(function(){var rsplit=function(string,regex){var result=regex.exec(string),retArr=new Array(),first_idx,last_idx,first_bit;while(result!=null){first_idx=result.index;last_idx=regex.lastIndex;if((first_idx)!=0){first_bit=string.substring(0,first_idx);retArr.push(string.substring(0,first_idx));string=string.slice(first_idx)}retArr.push(result[0]);string=string.slice(result[0].length);result=regex.exec(string)}if(!string==""){retArr.push(string)}return retArr},chop=function(string){return string.substr(0,string.length-1)},extend=function(d,s){for(var n in s){if(s.hasOwnProperty(n)){d[n]=s[n]}}};EJS=function(options){options=typeof options=="string"?{view:options}:options;this.set_options(options);if(options.precompiled){this.template={};this.template.process=options.precompiled;EJS.update(this.name,this);return }if(options.element){if(typeof options.element=="string"){var name=options.element;options.element=document.getElementById(options.element);if(options.element==null){throw name+"does not exist!"}}if(options.element.value){this.text=options.element.value}else{this.text=options.element.innerHTML}this.name=options.element.id;this.type="["}else{if(options.url){options.url=EJS.endExt(options.url,this.extMatch);this.name=this.name?this.name:options.url;var url=options.url;var template=EJS.get(this.name,this.cache);if(template){return template}if(template==EJS.INVALID_PATH){return null}try{this.text=EJS.request(url+(this.cache?"":"?"+Math.random()))}catch(e){}if(this.text==null){throw ({type:"EJS",message:"There is no template at "+url})}}}var template=new EJS.Compiler(this.text,this.type);template.compile(options,this.name);EJS.update(this.name,this);this.template=template};EJS.prototype={render:function(object,extra_helpers){object=object||{};this._extra_helpers=extra_helpers;var v=new EJS.Helpers(object,extra_helpers||{});return this.template.process.call(object,object,v)},update:function(element,options){if(typeof element=="string"){element=document.getElementById(element)}if(options==null){_template=this;return function(object){EJS.prototype.update.call(_template,element,object)}}if(typeof options=="string"){params={};params.url=options;_template=this;params.onComplete=function(request){var object=eval(request.responseText);EJS.prototype.update.call(_template,element,object)};EJS.ajax_request(params)}else{element.innerHTML=this.render(options)}},out:function(){return this.template.out},set_options:function(options){this.type=options.type||EJS.type;this.cache=options.cache!=null?options.cache:EJS.cache;this.text=options.text||null;this.name=options.name||null;this.ext=options.ext||EJS.ext;this.extMatch=new RegExp(this.ext.replace(/\./,"."))}};EJS.endExt=function(path,match){if(!path){return null}match.lastIndex=0;return path+(match.test(path)?"":this.ext)};EJS.Scanner=function(source,left,right){extend(this,{left_delimiter:left+"%",right_delimiter:"%"+right,double_left:left+"%%",double_right:"%%"+right,left_equal:left+"%=",left_comment:left+"%#"});this.SplitRegexp=left=="["?/(\[%%)|(%%\])|(\[%=)|(\[%#)|(\[%)|(%\]\n)|(%\])|(\n)/:new RegExp("("+this.double_left+")|(%%"+this.double_right+")|("+this.left_equal+")|("+this.left_comment+")|("+this.left_delimiter+")|("+this.right_delimiter+"\n)|("+this.right_delimiter+")|(\n)");this.source=source;this.stag=null;this.lines=0};EJS.Scanner.to_text=function(input){if(input==null||input===undefined){return""}if(input instanceof Date){return input.toDateString()}if(input.toString){return input.toString()}return""};EJS.Scanner.prototype={scan:function(block){scanline=this.scanline;regex=this.SplitRegexp;if(!this.source==""){var source_split=rsplit(this.source,/\n/);for(var i=0;i<source_split.length;i++){var item=source_split[i];this.scanline(item,regex,block)}}},scanline:function(line,regex,block){this.lines++;var line_split=rsplit(line,regex);for(var i=0;i<line_split.length;i++){var token=line_split[i];if(token!=null){try{block(token,this)}catch(e){throw {type:"EJS.Scanner",line:this.lines}}}}}};EJS.Buffer=function(pre_cmd,post_cmd){this.line=new Array();this.script="";this.pre_cmd=pre_cmd;this.post_cmd=post_cmd;for(var i=0;i<this.pre_cmd.length;i++){this.push(pre_cmd[i])}};EJS.Buffer.prototype={push:function(cmd){this.line.push(cmd)},cr:function(){this.script=this.script+this.line.join("; ");this.line=new Array();this.script=this.script+"\n"},close:function(){if(this.line.length>0){for(var i=0;i<this.post_cmd.length;i++){this.push(pre_cmd[i])}this.script=this.script+this.line.join("; ");line=null}}};EJS.Compiler=function(source,left){this.pre_cmd=["var ___ViewO = [];"];this.post_cmd=new Array();this.source=" ";if(source!=null){if(typeof source=="string"){source=source.replace(/\r\n/g,"\n");source=source.replace(/\r/g,"\n");this.source=source}else{if(source.innerHTML){this.source=source.innerHTML}}if(typeof this.source!="string"){this.source=""}}left=left||"<";var right=">";switch(left){case"[":right="]";break;case"<":break;default:throw left+" is not a supported deliminator";break}this.scanner=new EJS.Scanner(this.source,left,right);this.out=""};EJS.Compiler.prototype={compile:function(options,name){options=options||{};this.out="";var put_cmd="___ViewO.push(";var insert_cmd=put_cmd;var buff=new EJS.Buffer(this.pre_cmd,this.post_cmd);var content="";var clean=function(content){content=content.replace(/\\/g,"\\\\");content=content.replace(/\n/g,"\\n");content=content.replace(/"/g,'\\"');return content};this.scanner.scan(function(token,scanner){if(scanner.stag==null){switch(token){case"\n":content=content+"\n";buff.push(put_cmd+'"'+clean(content)+'");');buff.cr();content="";break;case scanner.left_delimiter:case scanner.left_equal:case scanner.left_comment:scanner.stag=token;if(content.length>0){buff.push(put_cmd+'"'+clean(content)+'")')}content="";break;case scanner.double_left:content=content+scanner.left_delimiter;break;default:content=content+token;break}}else{switch(token){case scanner.right_delimiter:switch(scanner.stag){case scanner.left_delimiter:if(content[content.length-1]=="\n"){content=chop(content);buff.push(content);buff.cr()}else{buff.push(content)}break;case scanner.left_equal:buff.push(insert_cmd+"(EJS.Scanner.to_text("+content+")))");break}scanner.stag=null;content="";break;case scanner.double_right:content=content+scanner.right_delimiter;break;default:content=content+token;break}}});if(content.length>0){buff.push(put_cmd+'"'+clean(content)+'")')}buff.close();this.out=buff.script+";";var to_be_evaled="/*"+name+"*/this.process = function(_CONTEXT,_VIEW) { try { with(_VIEW) { with (_CONTEXT) {"+this.out+" return ___ViewO.join('');}}}catch(e){e.lineNumber=null;throw e;}};";try{eval(to_be_evaled)}catch(e){if(typeof JSLINT!="undefined"){JSLINT(this.out);for(var i=0;i<JSLINT.errors.length;i++){var error=JSLINT.errors[i];if(error.reason!="Unnecessary semicolon."){error.line++;var e=new Error();e.lineNumber=error.line;e.message=error.reason;if(options.view){e.fileName=options.view}throw e}}}else{throw e}}}};EJS.config=function(options){EJS.cache=options.cache!=null?options.cache:EJS.cache;EJS.type=options.type!=null?options.type:EJS.type;EJS.ext=options.ext!=null?options.ext:EJS.ext;var templates_directory=EJS.templates_directory||{};EJS.templates_directory=templates_directory;EJS.get=function(path,cache){if(cache==false){return null}if(templates_directory[path]){return templates_directory[path]}return null};EJS.update=function(path,template){if(path==null){return }templates_directory[path]=template};EJS.INVALID_PATH=-1};EJS.config({cache:true,type:"<",ext:".ejs"});EJS.Helpers=function(data,extras){this._data=data;this._extras=extras;extend(this,extras)};EJS.Helpers.prototype={view:function(options,data,helpers){if(!helpers){helpers=this._extras}if(!data){data=this._data}return new EJS(options).render(data,helpers)},to_text:function(input,null_text){if(input==null||input===undefined){return null_text||""}if(input instanceof Date){return input.toDateString()}if(input.toString){return input.toString().replace(/\n/g,"<br />").replace(/''/g,"'")}return""}};EJS.newRequest=function(){var factories=[function(){return new ActiveXObject("Msxml2.XMLHTTP")},function(){return new XMLHttpRequest()},function(){return new ActiveXObject("Microsoft.XMLHTTP")}];for(var i=0;i<factories.length;i++){try{var request=factories[i]();if(request!=null){return request}}catch(e){continue}}};EJS.request=function(path){var request=new EJS.newRequest();request.open("GET",path,false);try{request.send(null)}catch(e){return null}if(request.status==404||request.status==2||(request.status==0&&request.responseText=="")){return null}return request.responseText};EJS.ajax_request=function(params){params.method=(params.method?params.method:"GET");var request=new EJS.newRequest();request.onreadystatechange=function(){if(request.readyState==4){if(request.status==200){params.onComplete(request)}else{params.onComplete(request)}}};request.open(params.method,params.url);request.send(null)}})();EJS.Helpers.prototype.date_tag=function(C,O,A){if(!(O instanceof Date)){O=new Date()}var B=["January","February","March","April","May","June","July","August","September","October","November","December"];var G=[],D=[],P=[];var J=O.getFullYear();var H=O.getMonth();var N=O.getDate();for(var M=J-15;M<J+15;M++){G.push({value:M,text:M})}for(var E=0;E<12;E++){D.push({value:(E),text:B[E]})}for(var I=0;I<31;I++){P.push({value:(I+1),text:(I+1)})}var L=this.select_tag(C+"[year]",J,G,{id:C+"[year]"});var F=this.select_tag(C+"[month]",H,D,{id:C+"[month]"});var K=this.select_tag(C+"[day]",N,P,{id:C+"[day]"});return L+F+K};EJS.Helpers.prototype.form_tag=function(B,A){A=A||{};A.action=B;if(A.multipart==true){A.method="post";A.enctype="multipart/form-data"}return this.start_tag_for("form",A)};EJS.Helpers.prototype.form_tag_end=function(){return this.tag_end("form")};EJS.Helpers.prototype.hidden_field_tag=function(A,C,B){return this.input_field_tag(A,C,"hidden",B)};EJS.Helpers.prototype.input_field_tag=function(A,D,C,B){B=B||{};B.id=B.id||A;B.value=D||"";B.type=C||"text";B.name=A;return this.single_tag_for("input",B)};EJS.Helpers.prototype.is_current_page=function(A){return(window.location.href==A||window.location.pathname==A?true:false)};EJS.Helpers.prototype.link_to=function(B,A,C){if(!B){var B="null"}if(!C){var C={}}if(C.confirm){C.onclick=' var ret_confirm = confirm("'+C.confirm+'"); if(!ret_confirm){ return false;} ';C.confirm=null}C.href=A;return this.start_tag_for("a",C)+B+this.tag_end("a")};EJS.Helpers.prototype.submit_link_to=function(B,A,C){if(!B){var B="null"}if(!C){var C={}}C.onclick=C.onclick||"";if(C.confirm){C.onclick=' var ret_confirm = confirm("'+C.confirm+'"); if(!ret_confirm){ return false;} ';C.confirm=null}C.value=B;C.type="submit";C.onclick=C.onclick+(A?this.url_for(A):"")+"return false;";return this.start_tag_for("input",C)};EJS.Helpers.prototype.link_to_if=function(F,B,A,D,C,E){return this.link_to_unless((F==false),B,A,D,C,E)};EJS.Helpers.prototype.link_to_unless=function(E,B,A,C,D){C=C||{};if(E){if(D&&typeof D=="function"){return D(B,A,C,D)}else{return B}}else{return this.link_to(B,A,C)}};EJS.Helpers.prototype.link_to_unless_current=function(B,A,C,D){C=C||{};return this.link_to_unless(this.is_current_page(A),B,A,C,D)};EJS.Helpers.prototype.password_field_tag=function(A,C,B){return this.input_field_tag(A,C,"password",B)};EJS.Helpers.prototype.select_tag=function(D,G,H,F){F=F||{};F.id=F.id||D;F.value=G;F.name=D;var B="";B+=this.start_tag_for("select",F);for(var E=0;E<H.length;E++){var C=H[E];var A={value:C.value};if(C.value==G){A.selected="selected"}B+=this.start_tag_for("option",A)+C.text+this.tag_end("option")}B+=this.tag_end("select");return B};EJS.Helpers.prototype.single_tag_for=function(A,B){return this.tag(A,B,"/>")};EJS.Helpers.prototype.start_tag_for=function(A,B){return this.tag(A,B)};EJS.Helpers.prototype.submit_tag=function(A,B){B=B||{};B.type=B.type||"submit";B.value=A||"Submit";return this.single_tag_for("input",B)};EJS.Helpers.prototype.tag=function(C,E,D){if(!D){var D=">"}var B=" ";for(var A in E){if(E[A]!=null){var F=E[A].toString()}else{var F=""}if(A=="Class"){A="class"}if(F.indexOf("'")!=-1){B+=A+'="'+F+'" '}else{B+=A+"='"+F+"' "}}return"<"+C+B+D};EJS.Helpers.prototype.tag_end=function(A){return"</"+A+">"};EJS.Helpers.prototype.text_area_tag=function(A,C,B){B=B||{};B.id=B.id||A;B.name=B.name||A;C=C||"";if(B.size){B.cols=B.size.split("x")[0];B.rows=B.size.split("x")[1];delete B.size}B.cols=B.cols||50;B.rows=B.rows||4;return this.start_tag_for("textarea",B)+C+this.tag_end("textarea")};EJS.Helpers.prototype.text_tag=EJS.Helpers.prototype.text_area_tag;EJS.Helpers.prototype.text_field_tag=function(A,C,B){return this.input_field_tag(A,C,"text",B)};EJS.Helpers.prototype.url_for=function(A){return'window.location="'+A+'";'};EJS.Helpers.prototype.img_tag=function(B,C,A){A=A||{};A.src=B;A.alt=C;return this.single_tag_for("img",A)};
EJS.Helpers.prototype.date_tag = function(name, value , html_options) {
    if(! (value instanceof Date))
		value = new Date()
	
	var month_names = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"];
	var years = [], months = [], days =[];
	var year = value.getFullYear();
	var month = value.getMonth();
	var day = value.getDate();
	for(var y = year - 15; y < year+15 ; y++)
	{
		years.push({value: y, text: y})
	}
	for(var m = 0; m < 12; m++)
	{
		months.push({value: (m), text: month_names[m]})
	}
	for(var d = 0; d < 31; d++)
	{
		days.push({value: (d+1), text: (d+1)})
	}
	var year_select = this.select_tag(name+'[year]', year, years, {id: name+'[year]'} )
	var month_select = this.select_tag(name+'[month]', month, months, {id: name+'[month]'})
	var day_select = this.select_tag(name+'[day]', day, days, {id: name+'[day]'})
	
    return year_select+month_select+day_select;
}

EJS.Helpers.prototype.form_tag = function(action, html_options) {
                 
    
    html_options     = html_options                     || {};
	html_options.action = action
    if(html_options.multipart == true) {
        html_options.method = 'post';
        html_options.enctype = 'multipart/form-data';
    }
    
    return this.start_tag_for('form', html_options)
}

EJS.Helpers.prototype.form_tag_end = function() { return this.tag_end('form'); }

EJS.Helpers.prototype.hidden_field_tag   = function(name, value, html_options) { 
    return this.input_field_tag(name, value, 'hidden', html_options); 
}

EJS.Helpers.prototype.input_field_tag = function(name, value , inputType, html_options) {
    
    html_options = html_options || {};
    html_options.id  = html_options.id  || name;
    html_options.value = value || '';
    html_options.type = inputType || 'text';
    html_options.name = name;
    
    return this.single_tag_for('input', html_options)
}

EJS.Helpers.prototype.is_current_page = function(url) {
	return (window.location.href == url || window.location.pathname == url ? true : false);
}

EJS.Helpers.prototype.link_to = function(name, url, html_options) {
    if(!name) var name = 'null';
    if(!html_options) var html_options = {}
	
	if(html_options.confirm){
		html_options.onclick = 
		" var ret_confirm = confirm(\""+html_options.confirm+"\"); if(!ret_confirm){ return false;} "
		html_options.confirm = null;
	}
    html_options.href=url
    return this.start_tag_for('a', html_options)+name+ this.tag_end('a');
}

EJS.Helpers.prototype.submit_link_to = function(name, url, html_options){
	if(!name) var name = 'null';
    if(!html_options) var html_options = {}
    html_options.onclick = html_options.onclick  || '' ;
	
	if(html_options.confirm){
		html_options.onclick = 
		" var ret_confirm = confirm(\""+html_options.confirm+"\"); if(!ret_confirm){ return false;} "
		html_options.confirm = null;
	}
	
    html_options.value = name;
	html_options.type = 'submit'
    html_options.onclick=html_options.onclick+
		(url ? this.url_for(url) : '')+'return false;';
    //html_options.href='#'+(options ? Routes.url_for(options) : '')
	return this.start_tag_for('input', html_options)
}

EJS.Helpers.prototype.link_to_if = function(condition, name, url, html_options, post, block) {
	return this.link_to_unless((condition == false), name, url, html_options, post, block);
}

EJS.Helpers.prototype.link_to_unless = function(condition, name, url, html_options, block) {
	html_options = html_options || {};
	if(condition) {
		if(block && typeof block == 'function') {
			return block(name, url, html_options, block);
		} else {
			return name;
		}
	} else
		return this.link_to(name, url, html_options);
}

EJS.Helpers.prototype.link_to_unless_current = function(name, url, html_options, block) {
	html_options = html_options || {};
	return this.link_to_unless(this.is_current_page(url), name, url, html_options, block)
}


EJS.Helpers.prototype.password_field_tag = function(name, value, html_options) { return this.input_field_tag(name, value, 'password', html_options); }

EJS.Helpers.prototype.select_tag = function(name, value, choices, html_options) {     
    html_options = html_options || {};
    html_options.id  = html_options.id  || name;
    html_options.value = value;
	html_options.name = name;
    
    var txt = ''
    txt += this.start_tag_for('select', html_options)
    
    for(var i = 0; i < choices.length; i++)
    {
        var choice = choices[i];
        var optionOptions = {value: choice.value}
        if(choice.value == value)
            optionOptions.selected ='selected'
        txt += this.start_tag_for('option', optionOptions )+choice.text+this.tag_end('option')
    }
    txt += this.tag_end('select');
    return txt;
}

EJS.Helpers.prototype.single_tag_for = function(tag, html_options) { return this.tag(tag, html_options, '/>');}

EJS.Helpers.prototype.start_tag_for = function(tag, html_options)  { return this.tag(tag, html_options); }

EJS.Helpers.prototype.submit_tag = function(name, html_options) {  
    html_options = html_options || {};
    //html_options.name  = html_options.id  || 'commit';
    html_options.type = html_options.type  || 'submit';
    html_options.value = name || 'Submit';
    return this.single_tag_for('input', html_options);
}

EJS.Helpers.prototype.tag = function(tag, html_options, end) {
    if(!end) var end = '>'
    var txt = ' '
    for(var attr in html_options) { 
	   if(html_options[attr] != null)
        var value = html_options[attr].toString();
       else
        var value=''
       if(attr == "Class") // special case because "class" is a reserved word in IE
        attr = "class";
       if( value.indexOf("'") != -1 )
            txt += attr+'=\"'+value+'\" ' 
       else
            txt += attr+"='"+value+"' " 
    }
    return '<'+tag+txt+end;
}

EJS.Helpers.prototype.tag_end = function(tag)             { return '</'+tag+'>'; }

EJS.Helpers.prototype.text_area_tag = function(name, value, html_options) { 
    html_options = html_options || {};
    html_options.id  = html_options.id  || name;
    html_options.name  = html_options.name  || name;
	value = value || ''
    if(html_options.size) {
        html_options.cols = html_options.size.split('x')[0]
        html_options.rows = html_options.size.split('x')[1];
        delete html_options.size
    }
    
    html_options.cols = html_options.cols  || 50;
    html_options.rows = html_options.rows  || 4;
    
    return  this.start_tag_for('textarea', html_options)+value+this.tag_end('textarea')
}
EJS.Helpers.prototype.text_tag = EJS.Helpers.prototype.text_area_tag

EJS.Helpers.prototype.text_field_tag     = function(name, value, html_options) { return this.input_field_tag(name, value, 'text', html_options); }

EJS.Helpers.prototype.url_for = function(url) {
        return 'window.location="'+url+'";'
}
EJS.Helpers.prototype.img_tag = function(image_location, alt, options){
	options = options || {};
	options.src = image_location
	options.alt = alt
	return this.single_tag_for('img', options)
}
;
var oldTether = window.Tether;
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i.height&&(i.height=document.body.scrollHeight-i.top-i.bottom),i.top=i.top-o.clientTop,i.left=i.left-o.clientLeft,i.right=e.body.clientWidth-i.width-i.left,i.bottom=e.body.clientHeight-i.height-i.top,i}function s(t){return t.offsetParent||document.documentElement}function a(){var t=document.createElement("div");t.style.width="100%",t.style.height="200px";var e=document.createElement("div");f(e.style,{position:"absolute",top:0,left:0,pointerEvents:"none",visibility:"hidden",width:"200px",height:"150px",overflow:"hidden"}),e.appendChild(t),document.body.appendChild(e);var o=t.offsetWidth;e.style.overflow="scroll";var i=t.offsetWidth;o===i&&(i=e.clientWidth),document.body.removeChild(e);var n=o-i;return{width:n,height:n}}function f(){var t=void 0===arguments[0]?{}:arguments[0],e=[];return Array.prototype.push.apply(e,arguments),e.slice(1).forEach(function(e){if(e)for(var o in e)({}).hasOwnProperty.call(e,o)&&(t[o]=e[o])}),t}function h(t,e){if("undefined"!=typeof t.classList)e.split(" 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destructure non-iterable instance")}}(),P=C.Utils,r=P.getBounds,f=P.extend,c=P.updateClasses,T=P.defer,U=["left","top","right","bottom"];C.modules.push({position:function(t){var e=this,o=t.top,i=t.left,n=t.targetAttachment;if(!this.options.constraints)return!0;var s=this.cache("element-bounds",function(){return r(e.element)}),a=s.height,h=s.width;if(0===h&&0===a&&"undefined"!=typeof this.lastSize){var l=this.lastSize;h=l.width,a=l.height}var d=this.cache("target-bounds",function(){return e.getTargetBounds()}),u=d.height,p=d.width,g=[this.getClass("pinned"),this.getClass("out-of-bounds")];this.options.constraints.forEach(function(t){var e=t.outOfBoundsClass,o=t.pinnedClass;e&&g.push(e),o&&g.push(o)}),g.forEach(function(t){["left","top","right","bottom"].forEach(function(e){g.push(t+"-"+e)})});var m=[],v=f({},n),y=f({},this.attachment);return this.options.constraints.forEach(function(t){var r=t.to,s=t.attachment,f=t.pin;"undefined"==typeof s&&(s="");var l=void 0,d=void 0;if(s.indexOf(" ")>=0){var c=s.split(" "),g=M(c,2);d=g[0],l=g[1]}else l=d=s;var w=b(e,r);("target"===d||"both"===d)&&(o<w[1]&&"top"===v.top&&(o+=u,v.top="bottom"),o+a>w[3]&&"bottom"===v.top&&(o-=u,v.top="top")),"together"===d&&(o<w[1]&&"top"===v.top&&("bottom"===y.top?(o+=u,v.top="bottom",o+=a,y.top="top"):"top"===y.top&&(o+=u,v.top="bottom",o-=a,y.top="bottom")),o+a>w[3]&&"bottom"===v.top&&("top"===y.top?(o-=u,v.top="top",o-=a,y.top="bottom"):"bottom"===y.top&&(o-=u,v.top="top",o+=a,y.top="top")),"middle"===v.top&&(o+a>w[3]&&"top"===y.top?(o-=a,y.top="bottom"):o<w[1]&&"bottom"===y.top&&(o+=a,y.top="top"))),("target"===l||"both"===l)&&(i<w[0]&&"left"===v.left&&(i+=p,v.left="right"),i+h>w[2]&&"right"===v.left&&(i-=p,v.left="left")),"together"===l&&(i<w[0]&&"left"===v.left?"right"===y.left?(i+=p,v.left="right",i+=h,y.left="left"):"left"===y.left&&(i+=p,v.left="right",i-=h,y.left="right"):i+h>w[2]&&"right"===v.left?"left"===y.left?(i-=p,v.left="left",i-=h,y.left="right"):"right"===y.left&&(i-=p,v.left="left",i+=h,y.left="left"):"center"===v.left&&(i+h>w[2]&&"left"===y.left?(i-=h,y.left="right"):i<w[0]&&"right"===y.left&&(i+=h,y.left="left"))),("element"===d||"both"===d)&&(o<w[1]&&"bottom"===y.top&&(o+=a,y.top="top"),o+a>w[3]&&"top"===y.top&&(o-=a,y.top="bottom")),("element"===l||"both"===l)&&(i<w[0]&&"right"===y.left&&(i+=h,y.left="left"),i+h>w[2]&&"left"===y.left&&(i-=h,y.left="right")),"string"==typeof f?f=f.split(",").map(function(t){return t.trim()}):f===!0&&(f=["top","left","right","bottom"]),f=f||[];var C=[],O=[];o<w[1]&&(f.indexOf("top")>=0?(o=w[1],C.push("top")):O.push("top")),o+a>w[3]&&(f.indexOf("bottom")>=0?(o=w[3]-a,C.push("bottom")):O.push("bottom")),i<w[0]&&(f.indexOf("left")>=0?(i=w[0],C.push("left")):O.push("left")),i+h>w[2]&&(f.indexOf("right")>=0?(i=w[2]-h,C.push("right")):O.push("right")),C.length&&!function(){var t=void 0;t="undefined"!=typeof e.options.pinnedClass?e.options.pinnedClass:e.getClass("pinned"),m.push(t),C.forEach(function(e){m.push(t+"-"+e)})}(),O.length&&!function(){var t=void 0;t="undefined"!=typeof e.options.outOfBoundsClass?e.options.outOfBoundsClass:e.getClass("out-of-bounds"),m.push(t),O.forEach(function(e){m.push(t+"-"+e)})}(),(C.indexOf("left")>=0||C.indexOf("right")>=0)&&(y.left=v.left=!1),(C.indexOf("top")>=0||C.indexOf("bottom")>=0)&&(y.top=v.top=!1),(v.top!==n.top||v.left!==n.left||y.top!==e.attachment.top||y.left!==e.attachment.left)&&e.updateAttachClasses(y,v)}),T(function(){e.options.addTargetClasses!==!1&&c(e.target,m,g),c(e.element,m,g)}),{top:o,left:i}}});var P=C.Utils,r=P.getBounds,c=P.updateClasses,T=P.defer;C.modules.push({position:function(t){var e=this,o=t.top,i=t.left,n=this.cache("element-bounds",function(){return r(e.element)}),s=n.height,a=n.width,f=this.getTargetBounds(),h=o+s,l=i+a,d=[];o<=f.bottom&&h>=f.top&&["left","right"].forEach(function(t){var e=f[t];(e===i||e===l)&&d.push(t)}),i<=f.right&&l>=f.left&&["top","bottom"].forEach(function(t){var e=f[t];(e===o||e===h)&&d.push(t)});var u=[],p=[],g=["left","top","right","bottom"];return u.push(this.getClass("abutted")),g.forEach(function(t){u.push(e.getClass("abutted")+"-"+t)}),d.length&&p.push(this.getClass("abutted")),d.forEach(function(t){p.push(e.getClass("abutted")+"-"+t)}),T(function(){e.options.addTargetClasses!==!1&&c(e.target,p,u),c(e.element,p,u)}),!0}});var M=function(){function t(t,e){var o=[],i=!0,n=!1,r=void 0;try{for(var s,a=t[Symbol.iterator]();!(i=(s=a.next()).done)&&(o.push(s.value),!e||o.length!==e);i=!0);}catch(f){n=!0,r=f}finally{try{!i&&a["return"]&&a["return"]()}finally{if(n)throw r}}return o}return function(e,o){if(Array.isArray(e))return e;if(Symbol.iterator in Object(e))return t(e,o);throw new TypeError("Invalid attempt to destructure non-iterable instance")}}();return C.modules.push({position:function(t){var e=t.top,o=t.left;if(this.options.shift){var i=this.options.shift;"function"==typeof this.options.shift&&(i=this.options.shift.call(this,{top:e,left:o}));var n=void 0,r=void 0;if("string"==typeof i){i=i.split(" "),i[1]=i[1]||i[0];var s=M(i,2);n=s[0],r=s[1],n=parseFloat(n,10),r=parseFloat(r,10)}else n=i.top,r=i.left;return e+=n,o+=r,{top:e,left:o}}}}),R});
H5P.Tether = Tether;
window.Tether = oldTether;
;
var oldDrop = window.Drop;
var oldTether = window.Tether;
Tether = H5P.Tether;
!function(t,e){"function"==typeof define&&define.amd?define(["tether"],e):"object"==typeof exports?module.exports=e(require("tether")):t.Drop=e(t.Tether)}(this,function(t){"use strict";function e(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function n(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}function o(t){var e=t.split(" "),n=a(e,2),o=n[0],i=n[1];if(["left","right"].indexOf(o)>=0){var s=[i,o];o=s[0],i=s[1]}return[o,i].join(" ")}function i(t,e){for(var n=void 0,o=[];-1!==(n=t.indexOf(e));)o.push(t.splice(n,1));return o}function s(){var a=arguments.length<=0||void 0===arguments[0]?{}:arguments[0],u=function(){for(var t=arguments.length,e=Array(t),n=0;t>n;n++)e[n]=arguments[n];return new(r.apply(b,[null].concat(e)))};p(u,{createContext:s,drops:[],defaults:{}});var g={classPrefix:"drop",defaults:{position:"bottom left",openOn:"click",beforeClose:null,constrainToScrollParent:!0,constrainToWindow:!0,classes:"",remove:!1,tetherOptions:{}}};p(u,g,a),p(u.defaults,g.defaults,a.defaults),"undefined"==typeof x[u.classPrefix]&&(x[u.classPrefix]=[]),u.updateBodyClasses=function(){for(var t=!1,e=x[u.classPrefix],n=e.length,o=0;n>o;++o)if(e[o].isOpened()){t=!0;break}t?d(document.body,u.classPrefix+"-open"):c(document.body,u.classPrefix+"-open")};var b=function(s){function r(t){if(e(this,r),l(Object.getPrototypeOf(r.prototype),"constructor",this).call(this),this.options=p({},u.defaults,t),this.target=this.options.target,"undefined"==typeof this.target)throw new Error("Drop Error: You must provide a target.");var n="data-"+u.classPrefix,o=this.target.getAttribute(n);o&&(this.options.content=o);for(var i=["position","openOn"],s=0;s<i.length;++s){var a=this.target.getAttribute(n+"-"+i[s]);a&&(this.options[i[s]]=a)}this.options.classes&&this.options.addTargetClasses!==!1&&d(this.target,this.options.classes),u.drops.push(this),x[u.classPrefix].push(this),this._boundEvents=[],this.bindMethods(),this.setupElements(),this.setupEvents(),this.setupTether()}return n(r,s),h(r,[{key:"_on",value:function(t,e,n){this._boundEvents.push({element:t,event:e,handler:n}),t.addEventListener(e,n)}},{key:"bindMethods",value:function(){this.transitionEndHandler=this._transitionEndHandler.bind(this)}},{key:"setupElements",value:function(){var t=this;if(this.drop=document.createElement("div"),d(this.drop,u.classPrefix),this.options.classes&&d(this.drop,this.options.classes),this.content=document.createElement("div"),d(this.content,u.classPrefix+"-content"),"function"==typeof this.options.content){var e=function(){var e=t.options.content.call(t,t);if("string"==typeof e)t.content.innerHTML=e;else{if("object"!=typeof e)throw new Error("Drop Error: Content function should return a string or HTMLElement.");t.content.innerHTML="",t.content.appendChild(e)}};e(),this.on("open",e.bind(this))}else"object"==typeof this.options.content?this.content.appendChild(this.options.content):this.content.innerHTML=this.options.content;this.drop.appendChild(this.content)}},{key:"setupTether",value:function(){var e=this.options.position.split(" ");e[0]=E[e[0]],e=e.join(" ");var n=[];this.options.constrainToScrollParent?n.push({to:"scrollParent",pin:"top, bottom",attachment:"together none"}):n.push({to:"scrollParent"}),this.options.constrainToWindow!==!1?n.push({to:"window",attachment:"together"}):n.push({to:"window"});var i={element:this.drop,target:this.target,attachment:o(e),targetAttachment:o(this.options.position),classPrefix:u.classPrefix,offset:"0 0",targetOffset:"0 0",enabled:!1,constraints:n,addTargetClasses:this.options.addTargetClasses};this.options.tetherOptions!==!1&&(this.tether=new t(p({},i,this.options.tetherOptions)))}},{key:"setupEvents",value:function(){var t=this;if(this.options.openOn){if("always"===this.options.openOn)return void setTimeout(this.open.bind(this));var e=this.options.openOn.split(" ");if(e.indexOf("click")>=0)for(var n=function(e){t.toggle(e),e.preventDefault()},o=function(e){t.isOpened()&&(e.target===t.drop||t.drop.contains(e.target)||e.target===t.target||t.target.contains(e.target)||t.close(e))},i=0;i<y.length;++i){var s=y[i];this._on(this.target,s,n),this._on(document,s,o)}var r=!1,a=null,h=function(e){r=!0,t.open(e)},l=function(e){r=!1,"undefined"!=typeof a&&clearTimeout(a),a=setTimeout(function(){r||t.close(e),a=null},50)};e.indexOf("hover")>=0&&(this._on(this.target,"mouseover",h),this._on(this.drop,"mouseover",h),this._on(this.target,"mouseout",l),this._on(this.drop,"mouseout",l)),e.indexOf("focus")>=0&&(this._on(this.target,"focus",h),this._on(this.drop,"focus",h),this._on(this.target,"blur",l),this._on(this.drop,"blur",l))}}},{key:"isOpened",value:function(){return this.drop?f(this.drop,u.classPrefix+"-open"):void 0}},{key:"toggle",value:function(t){this.isOpened()?this.close(t):this.open(t)}},{key:"open",value:function(t){var e=this;this.isOpened()||(this.drop.parentNode||document.body.appendChild(this.drop),"undefined"!=typeof this.tether&&this.tether.enable(),d(this.drop,u.classPrefix+"-open"),d(this.drop,u.classPrefix+"-open-transitionend"),setTimeout(function(){e.drop&&d(e.drop,u.classPrefix+"-after-open")}),"undefined"!=typeof this.tether&&this.tether.position(),this.trigger("open"),u.updateBodyClasses())}},{key:"_transitionEndHandler",value:function(t){t.target===t.currentTarget&&(f(this.drop,u.classPrefix+"-open")||c(this.drop,u.classPrefix+"-open-transitionend"),this.drop.removeEventListener(m,this.transitionEndHandler))}},{key:"beforeCloseHandler",value:function(t){var e=!0;return this.isClosing||"function"!=typeof this.options.beforeClose||(this.isClosing=!0,e=this.options.beforeClose(t,this)!==!1),this.isClosing=!1,e}},{key:"close",value:function(t){this.isOpened()&&this.beforeCloseHandler(t)&&(c(this.drop,u.classPrefix+"-open"),c(this.drop,u.classPrefix+"-after-open"),this.drop.addEventListener(m,this.transitionEndHandler),this.trigger("close"),"undefined"!=typeof this.tether&&this.tether.disable(),u.updateBodyClasses(),this.options.remove&&this.remove(t))}},{key:"remove",value:function(t){this.close(t),this.drop.parentNode&&this.drop.parentNode.removeChild(this.drop)}},{key:"position",value:function(){this.isOpened()&&"undefined"!=typeof this.tether&&this.tether.position()}},{key:"destroy",value:function(){this.remove(),"undefined"!=typeof this.tether&&this.tether.destroy();for(var t=0;t<this._boundEvents.length;++t){var e=this._boundEvents[t],n=e.element,o=e.event,s=e.handler;n.removeEventListener(o,s)}this._boundEvents=[],this.tether=null,this.drop=null,this.content=null,this.target=null,i(x[u.classPrefix],this),i(u.drops,this)}}]),r}(v);return u}var r=Function.prototype.bind,a=function(){function t(t,e){var n=[],o=!0,i=!1,s=void 0;try{for(var r,a=t[Symbol.iterator]();!(o=(r=a.next()).done)&&(n.push(r.value),!e||n.length!==e);o=!0);}catch(h){i=!0,s=h}finally{try{!o&&a["return"]&&a["return"]()}finally{if(i)throw s}}return n}return function(e,n){if(Array.isArray(e))return e;if(Symbol.iterator in Object(e))return t(e,n);throw new TypeError("Invalid attempt to destructure non-iterable instance")}}(),h=function(){function t(t,e){for(var n=0;n<e.length;n++){var o=e[n];o.enumerable=o.enumerable||!1,o.configurable=!0,"value"in o&&(o.writable=!0),Object.defineProperty(t,o.key,o)}}return function(e,n,o){return n&&t(e.prototype,n),o&&t(e,o),e}}(),l=function(t,e,n){for(var o=!0;o;){var i=t,s=e,r=n;a=l=h=void 0,o=!1,null===i&&(i=Function.prototype);var a=Object.getOwnPropertyDescriptor(i,s);if(void 0!==a){if("value"in a)return a.value;var h=a.get;return void 0===h?void 0:h.call(r)}var l=Object.getPrototypeOf(i);if(null===l)return void 0;t=l,e=s,n=r,o=!0}},u=t.Utils,p=u.extend,d=u.addClass,c=u.removeClass,f=u.hasClass,v=u.Evented,y=["click"];"ontouchstart"in document.documentElement&&y.push("touchstart");var g={WebkitTransition:"webkitTransitionEnd",MozTransition:"transitionend",OTransition:"otransitionend",transition:"transitionend"},m="";for(var b in g)if({}.hasOwnProperty.call(g,b)){var O=document.createElement("p");"undefined"!=typeof O.style[b]&&(m=g[b])}var E={left:"right",right:"left",top:"bottom",bottom:"top",middle:"middle",center:"center"},x={},P=s();return document.addEventListener("DOMContentLoaded",function(){P.updateBodyClasses()}),P});
H5P.Drop = Drop;
window.Drop = oldDrop;
window.Tether = oldTether;
;
var H5P = H5P || {};
/**
 * Transition contains helper function relevant for transitioning
 */
H5P.Transition = (function ($) {

  /**
   * @class
   * @namespace H5P
   */
  Transition = {};

  /**
   * @private
   */
  Transition.transitionEndEventNames = {
    'WebkitTransition': 'webkitTransitionEnd',
    'transition':       'transitionend',
    'MozTransition':    'transitionend',
    'OTransition':      'oTransitionEnd',
    'msTransition':     'MSTransitionEnd'
  };

  /**
   * @private
   */
  Transition.cache = [];

  /**
   * Get the vendor property name for an event
   *
   * @function H5P.Transition.getVendorPropertyName
   * @static
   * @private
   * @param  {string} prop Generic property name
   * @return {string}      Vendor specific property name
   */
  Transition.getVendorPropertyName = function (prop) {

    if (Transition.cache[prop] !== undefined) {
      return Transition.cache[prop];
    }

    var div = document.createElement('div');

    // Handle unprefixed versions (FF16+, for example)
    if (prop in div.style) {
      Transition.cache[prop] = prop;
    }
    else {
      var prefixes = ['Moz', 'Webkit', 'O', 'ms'];
      var prop_ = prop.charAt(0).toUpperCase() + prop.substr(1);

      if (prop in div.style) {
        Transition.cache[prop] = prop;
      }
      else {
        for (var i = 0; i < prefixes.length; ++i) {
          var vendorProp = prefixes[i] + prop_;
          if (vendorProp in div.style) {
            Transition.cache[prop] = vendorProp;
            break;
          }
        }
      }
    }

    return Transition.cache[prop];
  };

  /**
   * Get the name of the transition end event
   *
   * @static
   * @private
   * @return {string}  description
   */
  Transition.getTransitionEndEventName = function () {
    return Transition.transitionEndEventNames[Transition.getVendorPropertyName('transition')] || undefined;
  };

  /**
   * Helper function for listening on transition end events
   *
   * @function H5P.Transition.onTransitionEnd
   * @static
   * @param  {domElement} $element The element which is transitioned
   * @param  {function} callback The callback to be invoked when transition is finished
   * @param  {number} timeout  Timeout in milliseconds. Fallback if transition event is never fired
   */
  Transition.onTransitionEnd = function ($element, callback, timeout) {
    // Fallback on 1 second if transition event is not supported/triggered
    timeout = timeout || 1000;
    Transition.transitionEndEventName = Transition.transitionEndEventName || Transition.getTransitionEndEventName();
    var callbackCalled = false;

    var doCallback = function () {
      if (callbackCalled) {
        return;
      }
      $element.off(Transition.transitionEndEventName, callback);
      callbackCalled = true;
      clearTimeout(timer);
      callback();
    };

    var timer = setTimeout(function () {
      doCallback();
    }, timeout);

    $element.on(Transition.transitionEndEventName, function () {
      doCallback();
    });
  };

  /**
   * Wait for a transition - when finished, invokes next in line
   *
   * @private
   *
   * @param {Object[]}    transitions             Array of transitions
   * @param {H5P.jQuery}  transitions[].$element  Dom element transition is performed on
   * @param {number=}     transitions[].timeout   Timeout fallback if transition end never is triggered
   * @param {bool=}       transitions[].break     If true, sequence breaks after this transition
   * @param {number}      index                   The index for current transition
   */
  var runSequence = function (transitions, index) {
    if (index >= transitions.length) {
      return;
    }

    var transition = transitions[index];
    H5P.Transition.onTransitionEnd(transition.$element, function () {
      if (transition.end) {
        transition.end();
      }
      if (transition.break !== true) {
        runSequence(transitions, index+1);
      }
    }, transition.timeout || undefined);
  };

  /**
   * Run a sequence of transitions
   *
   * @function H5P.Transition.sequence
   * @static
   * @param {Object[]}    transitions             Array of transitions
   * @param {H5P.jQuery}  transitions[].$element  Dom element transition is performed on
   * @param {number=}     transitions[].timeout   Timeout fallback if transition end never is triggered
   * @param {bool=}       transitions[].break     If true, sequence breaks after this transition
   */
  Transition.sequence = function (transitions) {
    runSequence(transitions, 0);
  };

  return Transition;
})(H5P.jQuery);
;
var H5P = H5P || {};

/**
 * Class responsible for creating a help text dialog
 */
H5P.JoubelHelpTextDialog = (function ($) {

  var numInstances = 0;
  /**
   * Display a pop-up containing a message.
   *
   * @param {H5P.jQuery}  $container  The container which message dialog will be appended to
   * @param {string}      message     The message
   * @param {string}      closeButtonTitle The title for the close button
   * @return {H5P.jQuery}
   */
  function JoubelHelpTextDialog(header, message, closeButtonTitle) {
    H5P.EventDispatcher.call(this);

    var self = this;

    numInstances++;
    var headerId = 'joubel-help-text-header-' + numInstances;
    var helpTextId = 'joubel-help-text-body-' + numInstances;

    var $helpTextDialogBox = $('<div>', {
      'class': 'joubel-help-text-dialog-box',
      'role': 'dialog',
      'aria-labelledby': headerId,
      'aria-describedby': helpTextId
    });

    $('<div>', {
      'class': 'joubel-help-text-dialog-background'
    }).appendTo($helpTextDialogBox);

    var $helpTextDialogContainer = $('<div>', {
      'class': 'joubel-help-text-dialog-container'
    }).appendTo($helpTextDialogBox);

    $('<div>', {
      'class': 'joubel-help-text-header',
      'id': headerId,
      'role': 'header',
      'html': header
    }).appendTo($helpTextDialogContainer);

    $('<div>', {
      'class': 'joubel-help-text-body',
      'id': helpTextId,
      'html': message,
      'role': 'document',
      'tabindex': 0
    }).appendTo($helpTextDialogContainer);

    var handleClose = function () {
      $helpTextDialogBox.remove();
      self.trigger('closed');
    };

    var $closeButton = $('<div>', {
      'class': 'joubel-help-text-remove',
      'role': 'button',
      'title': closeButtonTitle,
      'tabindex': 1,
      'click': handleClose,
      'keydown': function (event) {
        // 32 - space, 13 - enter
        if ([32, 13].indexOf(event.which) !== -1) {
          event.preventDefault();
          handleClose();
        }
      }
    }).appendTo($helpTextDialogContainer);

    /**
     * Get the DOM element
     * @return {HTMLElement}
     */
    self.getElement = function () {
      return $helpTextDialogBox;
    };

    self.focus = function () {
      $closeButton.focus();
    };
  }

  JoubelHelpTextDialog.prototype = Object.create(H5P.EventDispatcher.prototype);
  JoubelHelpTextDialog.prototype.constructor = JoubelHelpTextDialog;

  return JoubelHelpTextDialog;
}(H5P.jQuery));
;
var H5P = H5P || {};

/**
 * Class responsible for creating auto-disappearing dialogs
 */
H5P.JoubelMessageDialog = (function ($) {

  /**
   * Display a pop-up containing a message.
   *
   * @param {H5P.jQuery} $container The container which message dialog will be appended to
   * @param {string} message The message
   * @return {H5P.jQuery}
   */
  function JoubelMessageDialog ($container, message) {
    var timeout;

    var removeDialog = function () {
      $warning.remove();
      clearTimeout(timeout);
      $container.off('click.messageDialog');
    };

    // Create warning popup:
    var $warning = $('<div/>', {
      'class': 'joubel-message-dialog',
      text: message
    }).appendTo($container);

    // Remove after 3 seconds or if user clicks anywhere in $container:
    timeout = setTimeout(removeDialog, 3000);
    $container.on('click.messageDialog', removeDialog);

    return $warning;
  }

  return JoubelMessageDialog;
})(H5P.jQuery);
;
var H5P = H5P || {};

/**
 * Class responsible for creating a circular progress bar
 */

H5P.JoubelProgressCircle = (function ($) {

  /**
   * Constructor for the Progress Circle
   *
   * @param {Number} number The amount of progress to display
   * @param {string} progressColor Color for the progress meter
   * @param {string} backgroundColor Color behind the progress meter
   */
  function ProgressCircle(number, progressColor, fillColor, backgroundColor) {
    progressColor = progressColor || '#1a73d9';
    fillColor = fillColor || '#f0f0f0';
    backgroundColor = backgroundColor || '#ffffff';
    var progressColorRGB = this.hexToRgb(progressColor);

    //Verify number
    try {
      number = Number(number);
      if (number === '') {
        throw 'is empty';
      }
      if (isNaN(number)) {
        throw 'is not a number';
      }
    } catch (e) {
      number = 'err';
    }

    //Draw circle
    if (number > 100) {
      number = 100;
    }

    // We can not use rgba, since they will stack on top of each other.
    // Instead we create the equivalent of the rgba color
    // and applies this to the activeborder and background color.
    var progressColorString = 'rgb(' + parseInt(progressColorRGB.r, 10) +
      ',' + parseInt(progressColorRGB.g, 10) +
      ',' + parseInt(progressColorRGB.b, 10) + ')';

    // Circle wrapper
    var $wrapper = $('<div/>', {
      'class': "joubel-progress-circle-wrapper"
    });

    //Active border indicates progress
    var $activeBorder = $('<div/>', {
      'class': "joubel-progress-circle-active-border"
    }).appendTo($wrapper);

    //Background circle
    var $backgroundCircle = $('<div/>', {
      'class': "joubel-progress-circle-circle"
    }).appendTo($activeBorder);

    //Progress text/number
    $('<span/>', {
      'text': number + '%',
      'class': "joubel-progress-circle-percentage"
    }).appendTo($backgroundCircle);

    var deg = number * 3.6;
    if (deg <= 180) {
      $activeBorder.css('background-image',
        'linear-gradient(' + (90 + deg) + 'deg, transparent 50%, ' + fillColor + ' 50%),' +
        'linear-gradient(90deg, ' + fillColor + ' 50%, transparent 50%)')
        .css('border', '2px solid' + backgroundColor)
        .css('background-color', progressColorString);
    } else {
      $activeBorder.css('background-image',
        'linear-gradient(' + (deg - 90) + 'deg, transparent 50%, ' + progressColorString + ' 50%),' +
        'linear-gradient(90deg, ' + fillColor + ' 50%, transparent 50%)')
        .css('border', '2px solid' + backgroundColor)
        .css('background-color', progressColorString);
    }

    this.$activeBorder = $activeBorder;
    this.$backgroundCircle = $backgroundCircle;
    this.$wrapper = $wrapper;

    this.initResizeFunctionality();

    return $wrapper;
  }

  /**
   * Initializes resize functionality for the progress circle
   */
  ProgressCircle.prototype.initResizeFunctionality = function () {
    var self = this;

    $(window).resize(function () {
      // Queue resize
      setTimeout(function () {
        self.resize();
      });
    });

    // First resize
    setTimeout(function () {
      self.resize();
    }, 0);
  };

  /**
   * Resize function makes progress circle grow or shrink relative to parent container
   */
  ProgressCircle.prototype.resize = function () {
    var $parent = this.$wrapper.parent();

    if ($parent !== undefined && $parent) {

      // Measurements
      var fontSize = parseInt($parent.css('font-size'), 10);

      // Static sizes
      var fontSizeMultiplum = 3.75;
      var progressCircleWidthPx = parseInt((fontSize / 4.5), 10) % 2 === 0 ? parseInt((fontSize / 4.5), 10) + 4 : parseInt((fontSize / 4.5), 10) + 5;
      var progressCircleOffset = progressCircleWidthPx / 2;

      var width = fontSize * fontSizeMultiplum;
      var height = fontSize * fontSizeMultiplum;
      this.$activeBorder.css({
        'width': width,
        'height': height
      });

      this.$backgroundCircle.css({
        'width': width - progressCircleWidthPx,
        'height': height - progressCircleWidthPx,
        'top': progressCircleOffset,
        'left': progressCircleOffset
      });
    }
  };

  /**
   * Hex to RGB conversion
   * @param hex
   * @returns {{r: Number, g: Number, b: Number}}
   */
  ProgressCircle.prototype.hexToRgb = function (hex) {
    var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
    return result ? {
      r: parseInt(result[1], 16),
      g: parseInt(result[2], 16),
      b: parseInt(result[3], 16)
    } : null;
  };

  return ProgressCircle;

}(H5P.jQuery));
;
var H5P = H5P || {};

H5P.SimpleRoundedButton = (function ($) {

  /**
   * Creates a new tip
   */
  function SimpleRoundedButton(text) {

    var $simpleRoundedButton = $('<div>', {
      'class': 'joubel-simple-rounded-button',
      'title': text,
      'role': 'button',
      'tabindex': '0'
    }).keydown(function (e) {
      // 32 - space, 13 - enter
      if ([32, 13].indexOf(e.which) !== -1) {
        $(this).click();
        e.preventDefault();
      }
    });

    $('<span>', {
      'class': 'joubel-simple-rounded-button-text',
      'html': text
    }).appendTo($simpleRoundedButton);

    return $simpleRoundedButton;
  }

  return SimpleRoundedButton;
}(H5P.jQuery));
;
var H5P = H5P || {};

/**
 * Class responsible for creating speech bubbles
 */
H5P.JoubelSpeechBubble = (function ($) {

  var $currentSpeechBubble;
  var $currentContainer;  
  var $tail;
  var $innerTail;
  var removeSpeechBubbleTimeout;
  var currentMaxWidth;

  var DEFAULT_MAX_WIDTH = 400;

  var iDevice = navigator.userAgent.match(/iPod|iPhone|iPad/g) ? true : false;

  /**
   * Creates a new speech bubble
   *
   * @param {H5P.jQuery} $container The speaking object
   * @param {string} text The text to display
   * @param {number} maxWidth The maximum width of the bubble
   * @return {H5P.JoubelSpeechBubble}
   */
  function JoubelSpeechBubble($container, text, maxWidth) {
    maxWidth = maxWidth || DEFAULT_MAX_WIDTH;
    currentMaxWidth = maxWidth;
    $currentContainer = $container;

    this.isCurrent = function ($tip) {
      return $tip.is($currentContainer);
    };

    this.remove = function () {
      remove();
    };

    var fadeOutSpeechBubble = function ($speechBubble) {
      if (!$speechBubble) {
        return;
      }

      // Stop removing bubble
      clearTimeout(removeSpeechBubbleTimeout);

      $speechBubble.removeClass('show');
      setTimeout(function () {
        if ($speechBubble) {
          $speechBubble.remove();
          $speechBubble = undefined;
        }
      }, 500);
    };

    if ($currentSpeechBubble !== undefined) {
      remove();
    }

    var $h5pContainer = getH5PContainer($container);

    // Make sure we fade out old speech bubble
    fadeOutSpeechBubble($currentSpeechBubble);

    // Create bubble
    $tail = $('<div class="joubel-speech-bubble-tail"></div>');
    $innerTail = $('<div class="joubel-speech-bubble-inner-tail"></div>');
    var $innerBubble = $(
      '<div class="joubel-speech-bubble-inner">' +
      '<div class="joubel-speech-bubble-text">' + text + '</div>' +
      '</div>'
    ).prepend($innerTail);

    $currentSpeechBubble = $(
      '<div class="joubel-speech-bubble" aria-live="assertive">'
    ).append([$tail, $innerBubble])
      .appendTo($h5pContainer);

    // Show speech bubble with transition
    setTimeout(function () {
      $currentSpeechBubble.addClass('show');
    }, 0);

    position($currentSpeechBubble, $currentContainer, maxWidth, $tail, $innerTail);

    // Handle click to close
    H5P.$body.on('mousedown.speechBubble', handleOutsideClick);

    // Handle window resizing
    H5P.$window.on('resize', '', handleResize);

    // Handle clicks when inside IV which blocks bubbling.
    $container.parents('.h5p-dialog')
      .on('mousedown.speechBubble', handleOutsideClick);

    if (iDevice) {
      H5P.$body.css('cursor', 'pointer');
    }

    return this;
  }

  // Remove speechbubble if it belongs to a dom element that is about to be hidden
  H5P.externalDispatcher.on('domHidden', function (event) {
    if ($currentSpeechBubble !== undefined && event.data.$dom.find($currentContainer).length !== 0) {
      remove();
    }
  });

  /**
   * Returns the closest h5p container for the given DOM element.
   * 
   * @param {object} $container jquery element
   * @return {object} the h5p container (jquery element)
   */
  function getH5PContainer($container) {
    var $h5pContainer = $container.closest('.h5p-frame');

    // Check closest h5p frame first, then check for container in case there is no frame.
    if (!$h5pContainer.length) {
      $h5pContainer = $container.closest('.h5p-container');
    }

    return $h5pContainer;
  }

  /**
   * Event handler that is called when the window is resized.
   */
  function handleResize() {
    position($currentSpeechBubble, $currentContainer, currentMaxWidth, $tail, $innerTail);
  }

  /**
   * Repositions the speech bubble according to the position of the container.
   * 
   * @param {object} $currentSpeechbubble the speech bubble that should be positioned   
   * @param {object} $container the container to which the speech bubble should point 
   * @param {number} maxWidth the maximum width of the speech bubble
   * @param {object} $tail the tail (the triangle that points to the referenced container)
   * @param {object} $innerTail the inner tail (the triangle that points to the referenced container)
   */
  function position($currentSpeechBubble, $container, maxWidth, $tail, $innerTail) {
    var $h5pContainer = getH5PContainer($container);

    // Calculate offset between the button and the h5p frame
    var offset = getOffsetBetween($h5pContainer, $container);

    var direction = (offset.bottom > offset.top ? 'bottom' : 'top');
    var tipWidth = offset.outerWidth * 0.9; // Var needs to be renamed to make sense
    var bubbleWidth = tipWidth > maxWidth ? maxWidth : tipWidth;

    var bubblePosition = getBubblePosition(bubbleWidth, offset);
    var tailPosition = getTailPosition(bubbleWidth, bubblePosition, offset, $container.width());
    // Need to set font-size, since element is appended to body.
    // Using same font-size as parent. In that way it will grow accordingly
    // when resizing
    var fontSize = 16;//parseFloat($parent.css('font-size'));

    // Set width and position of speech bubble
    $currentSpeechBubble.css(bubbleCSS(
      direction,
      bubbleWidth,
      bubblePosition,
      fontSize
    ));

    var preparedTailCSS = tailCSS(direction, tailPosition);
    $tail.css(preparedTailCSS);
    $innerTail.css(preparedTailCSS);
  }

  /**
   * Static function for removing the speechbubble
   */
  var remove = function () {
    H5P.$body.off('mousedown.speechBubble');
    H5P.$window.off('resize', '', handleResize);
    $currentContainer.parents('.h5p-dialog').off('mousedown.speechBubble');
    if (iDevice) {
      H5P.$body.css('cursor', '');
    }
    if ($currentSpeechBubble !== undefined) {
      // Apply transition, then remove speech bubble
      $currentSpeechBubble.removeClass('show');

      // Make sure we remove any old timeout before reassignment
      clearTimeout(removeSpeechBubbleTimeout);
      removeSpeechBubbleTimeout = setTimeout(function () {
        $currentSpeechBubble.remove();
        $currentSpeechBubble = undefined;
      }, 500);
    }
    // Don't return false here. If the user e.g. clicks a button when the bubble is visible,
    // we want the bubble to disapear AND the button to receive the event
  };

  /**
   * Remove the speech bubble and container reference
   */
  function handleOutsideClick(event) {
    if (event.target === $currentContainer[0]) {
      return; // Button clicks are not outside clicks
    }

    remove();
    // There is no current container when a container isn't clicked
    $currentContainer = undefined;
  }

  /**
   * Calculate position for speech bubble
   *
   * @param {number} bubbleWidth The width of the speech bubble
   * @param {object} offset
   * @return {object} Return position for the speech bubble
   */
  function getBubblePosition(bubbleWidth, offset) {
    var bubblePosition = {};

    var tailOffset = 9;
    var widthOffset = bubbleWidth / 2;

    // Calculate top position
    bubblePosition.top = offset.top + offset.innerHeight;

    // Calculate bottom position
    bubblePosition.bottom = offset.bottom + offset.innerHeight + tailOffset;

    // Calculate left position
    if (offset.left < widthOffset) {
      bubblePosition.left = 3;
    }
    else if ((offset.left + widthOffset) > offset.outerWidth) {
      bubblePosition.left = offset.outerWidth - bubbleWidth - 3;
    }
    else {
      bubblePosition.left = offset.left - widthOffset + (offset.innerWidth / 2);
    }

    return bubblePosition;
  }

  /**
   * Calculate position for speech bubble tail
   *
   * @param {number} bubbleWidth The width of the speech bubble
   * @param {object} bubblePosition Speech bubble position
   * @param {object} offset
   * @param {number} iconWidth The width of the tip icon
   * @return {object} Return position for the tail
   */
  function getTailPosition(bubbleWidth, bubblePosition, offset, iconWidth) {
    var tailPosition = {};
    // Magic numbers. Tuned by hand so that the tail fits visually within
    // the bounds of the speech bubble.
    var leftBoundary = 9;
    var rightBoundary = bubbleWidth - 20;

    tailPosition.left = offset.left - bubblePosition.left + (iconWidth / 2) - 6;
    if (tailPosition.left < leftBoundary) {
      tailPosition.left = leftBoundary;
    }
    if (tailPosition.left > rightBoundary) {
      tailPosition.left = rightBoundary;
    }

    tailPosition.top = -6;
    tailPosition.bottom = -6;

    return tailPosition;
  }

  /**
   * Return bubble CSS for the desired growth direction
   *
   * @param {string} direction The direction the speech bubble will grow
   * @param {number} width The width of the speech bubble
   * @param {object} position Speech bubble position
   * @param {number} fontSize The size of the bubbles font
   * @return {object} Return CSS
   */
  function bubbleCSS(direction, width, position, fontSize) {
    if (direction === 'top') {
      return {
        width: width + 'px',
        bottom: position.bottom + 'px',
        left: position.left + 'px',
        fontSize: fontSize + 'px',
        top: ''
      };
    }
    else {
      return {
        width: width + 'px',
        top: position.top + 'px',
        left: position.left + 'px',
        fontSize: fontSize + 'px',
        bottom: ''
      };
    }
  }

  /**
   * Return tail CSS for the desired growth direction
   *
   * @param {string} direction The direction the speech bubble will grow
   * @param {object} position Tail position
   * @return {object} Return CSS
   */
  function tailCSS(direction, position) {
    if (direction === 'top') {
      return {
        bottom: position.bottom + 'px',
        left: position.left + 'px',
        top: ''
      };
    }
    else {
      return {
        top: position.top + 'px',
        left: position.left + 'px',
        bottom: ''
      };
    }
  }

  /**
   * Calculates the offset between an element inside a container and the
   * container. Only works if all the edges of the inner element are inside the
   * outer element.
   * Width/height of the elements is included as a convenience.
   *
   * @param {H5P.jQuery} $outer
   * @param {H5P.jQuery} $inner
   * @return {object} Position offset
   */
  function getOffsetBetween($outer, $inner) {
    var outer = $outer[0].getBoundingClientRect();
    var inner = $inner[0].getBoundingClientRect();

    return {
      top: inner.top - outer.top,
      right: outer.right - inner.right,
      bottom: outer.bottom - inner.bottom,
      left: inner.left - outer.left,
      innerWidth: inner.width,
      innerHeight: inner.height,
      outerWidth: outer.width,
      outerHeight: outer.height
    };
  }

  return JoubelSpeechBubble;
})(H5P.jQuery);
;
var H5P = H5P || {};

H5P.JoubelThrobber = (function ($) {

  /**
   * Creates a new tip
   */
  function JoubelThrobber() {

    // h5p-throbber css is described in core
    var $throbber = $('<div/>', {
      'class': 'h5p-throbber'
    });

    return $throbber;
  }

  return JoubelThrobber;
}(H5P.jQuery));
;
H5P.JoubelTip = (function ($) {
  var $conv = $('<div/>');

  /**
   * Creates a new tip element.
   *
   * NOTE that this may look like a class but it doesn't behave like one.
   * It returns a jQuery object.
   *
   * @param {string} tipHtml The text to display in the popup
   * @param {Object} [behaviour] Options
   * @param {string} [behaviour.tipLabel] Set to use a custom label for the tip button (you want this for good A11Y)
   * @param {boolean} [behaviour.helpIcon] Set to 'true' to Add help-icon classname to Tip button (changes the icon)
   * @param {boolean} [behaviour.showSpeechBubble] Set to 'false' to disable functionality (you may this in the editor)
   * @param {boolean} [behaviour.tabcontrol] Set to 'true' if you plan on controlling the tabindex in the parent (tabindex="-1")
   * @return {H5P.jQuery|undefined} Tip button jQuery element or 'undefined' if invalid tip
   */
  function JoubelTip(tipHtml, behaviour) {

    // Keep track of the popup that appears when you click the Tip button
    var speechBubble;

    // Parse tip html to determine text
    var tipText = $conv.html(tipHtml).text().trim();
    if (tipText === '') {
      return; // The tip has no textual content, i.e. it's invalid.
    }

    // Set default behaviour
    behaviour = $.extend({
      tipLabel: tipText,
      helpIcon: false,
      showSpeechBubble: true,
      tabcontrol: false
    }, behaviour);

    // Create Tip button
    var $tipButton = $('<div/>', {
      class: 'joubel-tip-container' + (behaviour.showSpeechBubble ? '' : ' be-quiet'),
      title: behaviour.tipLabel,
      'aria-label': behaviour.tipLabel,
      'aria-expanded': false,
      role: 'button',
      tabindex: (behaviour.tabcontrol ? -1 : 0),
      click: function (event) {
        // Toggle show/hide popup
        toggleSpeechBubble();
        event.preventDefault();
      },
      keydown: function (event) {
        if (event.which === 32 || event.which === 13) { // Space & enter key
          // Toggle show/hide popup
          toggleSpeechBubble();
          event.stopPropagation();
          event.preventDefault();
        }
        else { // Any other key
          // Toggle hide popup
          toggleSpeechBubble(false);
        }
      },
      // Add markup to render icon
      html: '<span class="joubel-icon-tip-normal ' + (behaviour.helpIcon ? ' help-icon': '') + '">' +
              '<span class="h5p-icon-shadow"></span>' +
              '<span class="h5p-icon-speech-bubble"></span>' +
              '<span class="h5p-icon-info"></span>' +
            '</span>'
      // IMPORTANT: All of the markup elements must have 'pointer-events: none;'
    });

    const $tipAnnouncer = $('<div>', {
      'class': 'hidden-but-read',
      'aria-live': 'polite',
      appendTo: $tipButton,
    });

    /**
     * Tip button interaction handler.
     * Toggle show or hide the speech bubble popup when interacting with the
     * Tip button.
     *
     * @private
     * @param {boolean} [force] 'true' shows and 'false' hides.
     */
    var toggleSpeechBubble = function (force) {
      if (speechBubble !== undefined && speechBubble.isCurrent($tipButton)) {
        // Hide current popup
        speechBubble.remove();
        speechBubble = undefined;

        $tipButton.attr('aria-expanded', false);
        $tipAnnouncer.html('');
      }
      else if (force !== false && behaviour.showSpeechBubble) {
        // Create and show new popup
        speechBubble = H5P.JoubelSpeechBubble($tipButton, tipHtml);
        $tipButton.attr('aria-expanded', true);
        $tipAnnouncer.html(tipHtml);
      }
    };

    return $tipButton;
  }

  return JoubelTip;
})(H5P.jQuery);
;
var H5P = H5P || {};

H5P.JoubelSlider = (function ($) {

  /**
   * Creates a new Slider
   *
   * @param {object} [params] Additional parameters
   */
  function JoubelSlider(params) {
    H5P.EventDispatcher.call(this);

    this.$slider = $('<div>', $.extend({
      'class': 'h5p-joubel-ui-slider'
    }, params));

    this.$slides = [];
    this.currentIndex = 0;
    this.numSlides = 0;
  }
  JoubelSlider.prototype = Object.create(H5P.EventDispatcher.prototype);
  JoubelSlider.prototype.constructor = JoubelSlider;

  JoubelSlider.prototype.addSlide = function ($content) {
    $content.addClass('h5p-joubel-ui-slide').css({
      'left': (this.numSlides*100) + '%'
    });
    this.$slider.append($content);
    this.$slides.push($content);

    this.numSlides++;

    if(this.numSlides === 1) {
      $content.addClass('current');
    }
  };

  JoubelSlider.prototype.attach = function ($container) {
    $container.append(this.$slider);
  };

  JoubelSlider.prototype.move = function (index) {
    var self = this;

    if(index === 0) {
      self.trigger('first-slide');
    }
    if(index+1 === self.numSlides) {
      self.trigger('last-slide');
    }
    self.trigger('move');

    var $previousSlide = self.$slides[this.currentIndex];
    H5P.Transition.onTransitionEnd(this.$slider, function () {
      $previousSlide.removeClass('current');
      self.trigger('moved');
    });
    this.$slides[index].addClass('current');

    var translateX = 'translateX(' + (-index*100) + '%)';
    this.$slider.css({
      '-webkit-transform': translateX,
      '-moz-transform': translateX,
      '-ms-transform': translateX,
      'transform': translateX
    });

    this.currentIndex = index;
  };

  JoubelSlider.prototype.remove = function () {
    this.$slider.remove();
  };

  JoubelSlider.prototype.next = function () {
    if(this.currentIndex+1 >= this.numSlides) {
      return;
    }

    this.move(this.currentIndex+1);
  };

  JoubelSlider.prototype.previous = function () {
    this.move(this.currentIndex-1);
  };

  JoubelSlider.prototype.first = function () {
    this.move(0);
  };

  JoubelSlider.prototype.last = function () {
    this.move(this.numSlides-1);
  };

  return JoubelSlider;
})(H5P.jQuery);
;
var H5P = H5P || {};

/**
 * @module
 */
H5P.JoubelScoreBar = (function ($) {

  /* Need to use an id for the star SVG since that is the only way to reference
     SVG filters  */
  var idCounter = 0;

  /**
   * Creates a score bar
   * @class H5P.JoubelScoreBar
   * @param {number} maxScore  Maximum score
   * @param {string} [label] Makes it easier for readspeakers to identify the scorebar
   * @param {string} [helpText] Score explanation
   * @param {string} [scoreExplanationButtonLabel] Label for score explanation button
   */
  function JoubelScoreBar(maxScore, label, helpText, scoreExplanationButtonLabel) {
    var self = this;

    self.maxScore = maxScore;
    self.score = 0;
    idCounter++;

    /**
     * @const {string}
     */
    self.STAR_MARKUP = '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 63.77 53.87" aria-hidden="true" focusable="false">' +
        '<title>star</title>' +
        '<filter id="h5p-joubelui-score-bar-star-inner-shadow-' + idCounter + '" x0="-50%" y0="-50%" width="200%" height="200%">' +
          '<feGaussianBlur in="SourceAlpha" stdDeviation="3" result="blur"></feGaussianBlur>' +
          '<feOffset dy="2" dx="4"></feOffset>' +
          '<feComposite in2="SourceAlpha" operator="arithmetic" k2="-1" k3="1" result="shadowDiff"></feComposite>' +
          '<feFlood flood-color="#ffe95c" flood-opacity="1"></feFlood>' +
          '<feComposite in2="shadowDiff" operator="in"></feComposite>' +
          '<feComposite in2="SourceGraphic" operator="over" result="firstfilter"></feComposite>' +
          '<feGaussianBlur in="firstfilter" stdDeviation="3" result="blur2"></feGaussianBlur>' +
          '<feOffset dy="-2" dx="-4"></feOffset>' +
          '<feComposite in2="firstfilter" operator="arithmetic" k2="-1" k3="1" result="shadowDiff"></feComposite>' +
          '<feFlood flood-color="#ffe95c" flood-opacity="1"></feFlood>' +
          '<feComposite in2="shadowDiff" operator="in"></feComposite>' +
          '<feComposite in2="firstfilter" operator="over"></feComposite>' +
        '</filter>' +
        '<path class="h5p-joubelui-score-bar-star-shadow" d="M35.08,43.41V9.16H20.91v0L9.51,10.85,9,10.93C2.8,12.18,0,17,0,21.25a11.22,11.22,0,0,0,3,7.48l8.73,8.53-1.07,6.16Z"/>' +
        '<g>' +
          '<path class="h5p-joubelui-score-bar-star-border" d="M61.36,22.8,49.72,34.11l2.78,16a2.6,2.6,0,0,1,.05.64c0,.85-.37,1.6-1.33,1.6A2.74,2.74,0,0,1,49.94,52L35.58,44.41,21.22,52a2.93,2.93,0,0,1-1.28.37c-.91,0-1.33-.75-1.33-1.6,0-.21.05-.43.05-.64l2.78-16L9.8,22.8A2.57,2.57,0,0,1,9,21.25c0-1,1-1.33,1.81-1.49l16.07-2.35L34.09,2.83c.27-.59.85-1.33,1.55-1.33s1.28.69,1.55,1.33l7.21,14.57,16.07,2.35c.75.11,1.81.53,1.81,1.49A3.07,3.07,0,0,1,61.36,22.8Z"/>' +
          '<path class="h5p-joubelui-score-bar-star-fill" d="M61.36,22.8,49.72,34.11l2.78,16a2.6,2.6,0,0,1,.05.64c0,.85-.37,1.6-1.33,1.6A2.74,2.74,0,0,1,49.94,52L35.58,44.41,21.22,52a2.93,2.93,0,0,1-1.28.37c-.91,0-1.33-.75-1.33-1.6,0-.21.05-.43.05-.64l2.78-16L9.8,22.8A2.57,2.57,0,0,1,9,21.25c0-1,1-1.33,1.81-1.49l16.07-2.35L34.09,2.83c.27-.59.85-1.33,1.55-1.33s1.28.69,1.55,1.33l7.21,14.57,16.07,2.35c.75.11,1.81.53,1.81,1.49A3.07,3.07,0,0,1,61.36,22.8Z"/>' +
          '<path filter="url(#h5p-joubelui-score-bar-star-inner-shadow-' + idCounter + ')" class="h5p-joubelui-score-bar-star-fill-full-score" d="M61.36,22.8,49.72,34.11l2.78,16a2.6,2.6,0,0,1,.05.64c0,.85-.37,1.6-1.33,1.6A2.74,2.74,0,0,1,49.94,52L35.58,44.41,21.22,52a2.93,2.93,0,0,1-1.28.37c-.91,0-1.33-.75-1.33-1.6,0-.21.05-.43.05-.64l2.78-16L9.8,22.8A2.57,2.57,0,0,1,9,21.25c0-1,1-1.33,1.81-1.49l16.07-2.35L34.09,2.83c.27-.59.85-1.33,1.55-1.33s1.28.69,1.55,1.33l7.21,14.57,16.07,2.35c.75.11,1.81.53,1.81,1.49A3.07,3.07,0,0,1,61.36,22.8Z"/>' +
        '</g>' +
      '</svg>';

    /**
     * @function appendTo
     * @memberOf H5P.JoubelScoreBar#
     * @param {H5P.jQuery}  $wrapper  Dom container
     */
    self.appendTo = function ($wrapper) {
      self.$scoreBar.appendTo($wrapper);
    };

    /**
     * Create the text representation of the scorebar .
     *
     * @private
     * @return {string}
     */
    var createLabel = function (score) {
      if (!label) {
        return '';
      }

      return label.replace(':num', score).replace(':total', self.maxScore);
    };

    /**
     * Creates the html for this widget
     *
     * @method createHtml
     * @private
     */
    var createHtml = function () {
      // Container div
      self.$scoreBar = $('<div>', {
        'class': 'h5p-joubelui-score-bar',
      });

      var $visuals = $('<div>', {
        'class': 'h5p-joubelui-score-bar-visuals',
        appendTo: self.$scoreBar
      });

      // The progress bar wrapper
      self.$progressWrapper = $('<div>', {
        'class': 'h5p-joubelui-score-bar-progress-wrapper',
        appendTo: $visuals
      });

      self.$progress = $('<div>', {
        'class': 'h5p-joubelui-score-bar-progress',
        'html': createLabel(self.score),
        appendTo: self.$progressWrapper
      });

      // The star
      $('<div>', {
        'class': 'h5p-joubelui-score-bar-star',
        html: self.STAR_MARKUP
      }).appendTo($visuals);

      // The score container
      var $numerics = $('<div>', {
        'class': 'h5p-joubelui-score-numeric',
        appendTo: self.$scoreBar,
        'aria-hidden': true
      });

      // The current score
      self.$scoreCounter = $('<span>', {
        'class': 'h5p-joubelui-score-number h5p-joubelui-score-number-counter',
        text: 0,
        appendTo: $numerics
      });

      // The separator
      $('<span>', {
        'class': 'h5p-joubelui-score-number-separator',
        text: '/',
        appendTo: $numerics
      });

      // Max score
      self.$maxScore = $('<span>', {
        'class': 'h5p-joubelui-score-number h5p-joubelui-score-max',
        text: self.maxScore,
        appendTo: $numerics
      });

      if (helpText) {
        H5P.JoubelUI.createTip(helpText, {
          tipLabel: scoreExplanationButtonLabel ? scoreExplanationButtonLabel : helpText,
          helpIcon: true
        }).appendTo(self.$scoreBar);
        self.$scoreBar.addClass('h5p-score-bar-has-help');
      }
    };

    /**
     * Set the current score
     * @method setScore
     * @memberOf H5P.JoubelScoreBar#
     * @param  {number} score
     */
    self.setScore = function (score) {
      // Do nothing if score hasn't changed
      if (score === self.score) {
        return;
      }
      self.score = score > self.maxScore ? self.maxScore : score;
      self.updateVisuals();
    };

    /**
     * Increment score
     * @method incrementScore
     * @memberOf H5P.JoubelScoreBar#
     * @param  {number=}        incrementBy Optional parameter, defaults to 1
     */
    self.incrementScore = function (incrementBy) {
      self.setScore(self.score + (incrementBy || 1));
    };

    /**
     * Set the max score
     * @method setMaxScore
     * @memberOf H5P.JoubelScoreBar#
     * @param  {number}    maxScore The max score
     */
    self.setMaxScore = function (maxScore) {
      self.maxScore = maxScore;
    };

    /**
     * Updates the progressbar visuals
     * @memberOf H5P.JoubelScoreBar#
     * @method updateVisuals
     */
    self.updateVisuals = function () {
      self.$progress.html(createLabel(self.score));
      self.$scoreCounter.text(self.score);
      self.$maxScore.text(self.maxScore);

      setTimeout(function () {
        // Start the progressbar animation
        self.$progress.css({
          width: ((self.score / self.maxScore) * 100) + '%'
        });

        H5P.Transition.onTransitionEnd(self.$progress, function () {
          // If fullscore fill the star and start the animation
          self.$scoreBar.toggleClass('h5p-joubelui-score-bar-full-score', self.score === self.maxScore);
          self.$scoreBar.toggleClass('h5p-joubelui-score-bar-animation-active', self.score === self.maxScore);

          // Only allow the star animation to run once
          self.$scoreBar.one("animationend", function() {
            self.$scoreBar.removeClass("h5p-joubelui-score-bar-animation-active");
          });
        }, 600);
      }, 300);
    };

    /**
     * Removes all classes
     * @method reset
     */
    self.reset = function () {
      self.$scoreBar.removeClass('h5p-joubelui-score-bar-full-score');
    };

    createHtml();
  }

  return JoubelScoreBar;
})(H5P.jQuery);
;
var H5P = H5P || {};

H5P.JoubelProgressbar = (function ($) {

  /**
   * Joubel progressbar class
   * @method JoubelProgressbar
   * @constructor
   * @param  {number}          steps Number of steps
   * @param {Object} [options] Additional options
   * @param {boolean} [options.disableAria] Disable readspeaker assistance
   * @param {string} [options.progressText] A progress text for describing
   *  current progress out of total progress for readspeakers.
   *  e.g. "Slide :num of :total"
   */
  function JoubelProgressbar(steps, options) {
    H5P.EventDispatcher.call(this);
    var self = this;
    this.options = $.extend({
      progressText: 'Slide :num of :total'
    }, options);
    this.currentStep = 0;
    this.steps = steps;

    this.$progressbar = $('<div>', {
      'class': 'h5p-joubelui-progressbar',
      on: {
        click: function () {
          self.toggleTooltip();
          return false;
        },
        mouseenter: function () {
          self.showTooltip();
        },
        mouseleave: function () {
          setTimeout(function () {
            self.hideTooltip();
          }, 1500);
        }
      }
    });
    this.$background = $('<div>', {
      'class': 'h5p-joubelui-progressbar-background'
    }).appendTo(this.$progressbar);

    $('body').click(function () {
      self.toggleTooltip(true);
    });
  }

  JoubelProgressbar.prototype = Object.create(H5P.EventDispatcher.prototype);
  JoubelProgressbar.prototype.constructor = JoubelProgressbar;

  /**
   * Display tooltip
   * @method showTooltip
   */
  JoubelProgressbar.prototype.showTooltip = function () {
    var self = this;

    if (this.currentStep === 0 || this.tooltip !== undefined) {
      return;
    }

    var parentWidth = self.$progressbar.offset().left + self.$progressbar.width();

    this.tooltip = new H5P.Drop({
      target: this.$background.get(0),
      content: this.currentStep + '/' + this.steps,
      classes: 'drop-theme-arrows-bounce h5p-joubelui-drop',
      position: 'top right',
      openOn: 'always',
      tetherOptions: {
        attachment: 'bottom center',
        targetAttachment: 'top right'
      }
    });
    this.tooltip.on('open', function () {
      var $drop = $(self.tooltip.drop);
      var left = $drop.position().left;
      var dropWidth = $drop.width();

      // Need to handle drops getting outside of the progressbar:
      if (left < 0) {
        $drop.css({marginLeft: (-left) + 'px'});
      }
      else if (left + dropWidth > parentWidth) {
        $drop.css({marginLeft: (parentWidth - (left + dropWidth)) + 'px'});
      }
    });
  };

  JoubelProgressbar.prototype.updateAria = function () {
    var self = this;
    if (this.options.disableAria) {
      return;
    }

    if (!this.$currentStatus) {
      this.$currentStatus = $('<div>', {
        'class': 'h5p-joubelui-progressbar-slide-status-text',
        'aria-live': 'assertive'
      }).appendTo(this.$progressbar);
    }
    var interpolatedProgressText = self.options.progressText
      .replace(':num', self.currentStep)
      .replace(':total', self.steps);
    this.$currentStatus.html(interpolatedProgressText);
  };

  /**
   * Hides tooltip
   * @method hideTooltip
   */
  JoubelProgressbar.prototype.hideTooltip = function () {
    if (this.tooltip !== undefined) {
      this.tooltip.remove();
      this.tooltip.destroy();
      this.tooltip = undefined;
    }
  };

  /**
   * Toggles tooltip-visibility
   * @method toggleTooltip
   * @param  {boolean} [closeOnly] Don't show, only close if open
   */
  JoubelProgressbar.prototype.toggleTooltip = function (closeOnly) {
    if (this.tooltip === undefined && !closeOnly) {
      this.showTooltip();
    }
    else if (this.tooltip !== undefined) {
      this.hideTooltip();
    }
  };

  /**
   * Appends to a container
   * @method appendTo
   * @param  {H5P.jquery} $container
   */
  JoubelProgressbar.prototype.appendTo = function ($container) {
    this.$progressbar.appendTo($container);
  };

  /**
   * Update progress
   * @method setProgress
   * @param  {number}    step
   */
  JoubelProgressbar.prototype.setProgress = function (step) {
    // Check for valid value:
    if (step > this.steps || step < 0) {
      return;
    }
    this.currentStep = step;
    this.$background.css({
      width: ((this.currentStep/this.steps)*100) + '%'
    });

    this.updateAria();
  };

  /**
   * Increment progress with 1
   * @method next
   */
  JoubelProgressbar.prototype.next = function () {
    this.setProgress(this.currentStep+1);
  };

  /**
   * Reset progressbar
   * @method reset
   */
  JoubelProgressbar.prototype.reset = function () {
    this.setProgress(0);
  };

  /**
   * Check if last step is reached
   * @method isLastStep
   * @return {Boolean}
   */
  JoubelProgressbar.prototype.isLastStep = function () {
    return this.steps === this.currentStep;
  };

  return JoubelProgressbar;
})(H5P.jQuery);
;
var H5P = H5P || {};

/**
 * H5P Joubel UI library.
 *
 * This is a utility library, which does not implement attach. I.e, it has to bee actively used by
 * other libraries
 * @module
 */
H5P.JoubelUI = (function ($) {

  /**
   * The internal object to return
   * @class H5P.JoubelUI
   * @static
   */
  function JoubelUI() {}

  /* Public static functions */

  /**
   * Create a tip icon
   * @method H5P.JoubelUI.createTip
   * @param  {string}  text   The textual tip
   * @param  {Object}  params Parameters
   * @return {H5P.JoubelTip}
   */
  JoubelUI.createTip = function (text, params) {
    return new H5P.JoubelTip(text, params);
  };

  /**
   * Create message dialog
   * @method H5P.JoubelUI.createMessageDialog
   * @param  {H5P.jQuery}               $container The dom container
   * @param  {string}                   message    The message
   * @return {H5P.JoubelMessageDialog}
   */
  JoubelUI.createMessageDialog = function ($container, message) {
    return new H5P.JoubelMessageDialog($container, message);
  };

  /**
   * Create help text dialog
   * @method H5P.JoubelUI.createHelpTextDialog
   * @param  {string}             header  The textual header
   * @param  {string}             message The textual message
   * @param  {string}             closeButtonTitle The title for the close button
   * @return {H5P.JoubelHelpTextDialog}
   */
  JoubelUI.createHelpTextDialog = function (header, message, closeButtonTitle) {
    return new H5P.JoubelHelpTextDialog(header, message, closeButtonTitle);
  };

  /**
   * Create progress circle
   * @method H5P.JoubelUI.createProgressCircle
   * @param  {number}             number          The progress (0 to 100)
   * @param  {string}             progressColor   The progress color in hex value
   * @param  {string}             fillColor       The fill color in hex value
   * @param  {string}             backgroundColor The background color in hex value
   * @return {H5P.JoubelProgressCircle}
   */
  JoubelUI.createProgressCircle = function (number, progressColor, fillColor, backgroundColor) {
    return new H5P.JoubelProgressCircle(number, progressColor, fillColor, backgroundColor);
  };

  /**
   * Create throbber for loading
   * @method H5P.JoubelUI.createThrobber
   * @return {H5P.JoubelThrobber}
   */
  JoubelUI.createThrobber = function () {
    return new H5P.JoubelThrobber();
  };

  /**
   * Create simple rounded button
   * @method H5P.JoubelUI.createSimpleRoundedButton
   * @param  {string}                  text The button label
   * @return {H5P.SimpleRoundedButton}
   */
  JoubelUI.createSimpleRoundedButton = function (text) {
    return new H5P.SimpleRoundedButton(text);
  };

  /**
   * Create Slider
   * @method H5P.JoubelUI.createSlider
   * @param  {Object} [params] Parameters
   * @return {H5P.JoubelSlider}
   */
  JoubelUI.createSlider = function (params) {
    return new H5P.JoubelSlider(params);
  };

  /**
   * Create Score Bar
   * @method H5P.JoubelUI.createScoreBar
   * @param  {number=}       maxScore The maximum score
   * @param {string} [label] Makes it easier for readspeakers to identify the scorebar
   * @return {H5P.JoubelScoreBar}
   */
  JoubelUI.createScoreBar = function (maxScore, label, helpText, scoreExplanationButtonLabel) {
    return new H5P.JoubelScoreBar(maxScore, label, helpText, scoreExplanationButtonLabel);
  };

  /**
   * Create Progressbar
   * @method H5P.JoubelUI.createProgressbar
   * @param  {number=}       numSteps The total numer of steps
   * @param {Object} [options] Additional options
   * @param {boolean} [options.disableAria] Disable readspeaker assistance
   * @param {string} [options.progressText] A progress text for describing
   *  current progress out of total progress for readspeakers.
   *  e.g. "Slide :num of :total"
   * @return {H5P.JoubelProgressbar}
   */
  JoubelUI.createProgressbar = function (numSteps, options) {
    return new H5P.JoubelProgressbar(numSteps, options);
  };

  /**
   * Create standard Joubel button
   *
   * @method H5P.JoubelUI.createButton
   * @param {object} params
   *  May hold any properties allowed by jQuery. If href is set, an A tag
   *  is used, if not a button tag is used.
   * @return {H5P.jQuery} The jquery element created
   */
  JoubelUI.createButton = function(params) {
    var type = 'button';
    if (params.href) {
      type = 'a';
    }
    else {
      params.type = 'button';
    }
    if (params.class) {
      params.class += ' h5p-joubelui-button';
    }
    else {
      params.class = 'h5p-joubelui-button';
    }
    return $('<' + type + '/>', params);
  };

  /**
   * Fix for iframe scoll bug in IOS. When focusing an element that doesn't have
   * focus support by default the iframe will scroll the parent frame so that
   * the focused element is out of view. This varies dependening on the elements
   * of the parent frame.
   */
  if (H5P.isFramed && !H5P.hasiOSiframeScrollFix &&
      /iPad|iPhone|iPod/.test(navigator.userAgent)) {
    H5P.hasiOSiframeScrollFix = true;

    // Keep track of original focus function
    var focus = HTMLElement.prototype.focus;

    // Override the original focus
    HTMLElement.prototype.focus = function () {
      // Only focus the element if it supports it natively
      if ( (this instanceof HTMLAnchorElement ||
            this instanceof HTMLInputElement ||
            this instanceof HTMLSelectElement ||
            this instanceof HTMLTextAreaElement ||
            this instanceof HTMLButtonElement ||
            this instanceof HTMLIFrameElement ||
            this instanceof HTMLAreaElement) && // HTMLAreaElement isn't supported by Safari yet.
          !this.getAttribute('role')) { // Focus breaks if a different role has been set
          // In theory this.isContentEditable should be able to recieve focus,
          // but it didn't work when tested.

        // Trigger the original focus with the proper context
        focus.call(this);
      }
    };
  }

  return JoubelUI;
})(H5P.jQuery);
;
H5P.Question = (function ($, EventDispatcher, JoubelUI) {

  /**
   * Extending this class make it alot easier to create tasks for other
   * content types.
   *
   * @class H5P.Question
   * @extends H5P.EventDispatcher
   * @param {string} type
   */
  function Question(type) {
    var self = this;

    // Inheritance
    EventDispatcher.call(self);

    // Register default section order
    self.order = ['video', 'image', 'introduction', 'content', 'explanation', 'feedback', 'scorebar', 'buttons', 'read'];

    // Keep track of registered sections
    var sections = {};

    // Buttons
    var buttons = {};
    var buttonOrder = [];

    // Wrapper when attached
    var $wrapper;

    // Click element
    var clickElement;

    // ScoreBar
    var scoreBar;

    // Keep track of the feedback's visual status.
    var showFeedback;

    // Keep track of which buttons are scheduled for hiding.
    var buttonsToHide = [];

    // Keep track of which buttons are scheduled for showing.
    var buttonsToShow = [];

    // Keep track of the hiding and showing of buttons.
    var toggleButtonsTimer;
    var toggleButtonsTransitionTimer;
    var buttonTruncationTimer;

    // Keeps track of initialization of question
    var initialized = false;

    /**
     * @type {Object} behaviour Behaviour of Question
     * @property {Boolean} behaviour.disableFeedback Set to true to disable feedback section
     */
    var behaviour = {
      disableFeedback: false,
      disableReadSpeaker: false
    };

    // Keeps track of thumb state
    var imageThumb = true;

    // Keeps track of image transitions
    var imageTransitionTimer;

    // Keep track of whether sections is transitioning.
    var sectionsIsTransitioning = false;

    // Keep track of auto play state
    var disableAutoPlay = false;

    // Feedback transition timer
    var feedbackTransitionTimer;

    // Used when reading messages to the user
    var $read, readText;

    /**
     * Register section with given content.
     *
     * @private
     * @param {string} section ID of the section
     * @param {(string|H5P.jQuery)} [content]
     */
    var register = function (section, content) {
      sections[section] = {};
      var $e = sections[section].$element = $('<div/>', {
        'class': 'h5p-question-' + section,
      });
      if (content) {
        $e[content instanceof $ ? 'append' : 'html'](content);
      }
    };

    /**
     * Update registered section with content.
     *
     * @private
     * @param {string} section ID of the section
     * @param {(string|H5P.jQuery)} content
     */
    var update = function (section, content) {
      if (content instanceof $) {
        sections[section].$element.html('').append(content);
      }
      else {
        sections[section].$element.html(content);
      }
    };

    /**
     * Insert element with given ID into the DOM.
     *
     * @private
     * @param {array|Array|string[]} order
     * List with ordered element IDs
     * @param {string} id
     * ID of the element to be inserted
     * @param {Object} elements
     * Maps ID to the elements
     * @param {H5P.jQuery} $container
     * Parent container of the elements
     */
    var insert = function (order, id, elements, $container) {
      // Try to find an element id should be after
      for (var i = 0; i < order.length; i++) {
        if (order[i] === id) {
          // Found our pos
          while (i > 0 &&
          (elements[order[i - 1]] === undefined ||
          !elements[order[i - 1]].isVisible)) {
            i--;
          }
          if (i === 0) {
            // We are on top.
            elements[id].$element.prependTo($container);
          }
          else {
            // Add after element
            elements[id].$element.insertAfter(elements[order[i - 1]].$element);
          }
          elements[id].isVisible = true;
          break;
        }
      }
    };

    /**
     * Make feedback into a popup and position relative to click.
     *
     * @private
     * @param {string} [closeText] Text for the close button
     */
    var makeFeedbackPopup = function (closeText) {
      var $element = sections.feedback.$element;
      var $parent = sections.content.$element;
      var $click = (clickElement != null ? clickElement.$element : null);

      $element.appendTo($parent).addClass('h5p-question-popup');

      if (sections.scorebar) {
        sections.scorebar.$element.appendTo($element);
      }

      $parent.addClass('h5p-has-question-popup');

      // Draw the tail
      var $tail = $('<div/>', {
        'class': 'h5p-question-feedback-tail'
      }).hide()
        .appendTo($parent);

      // Draw the close button
      var $close = $('<div/>', {
        'class': 'h5p-question-feedback-close',
        'tabindex': 0,
        'title': closeText,
        on: {
          click: function (event) {
            $element.remove();
            $tail.remove();
            event.preventDefault();
          },
          keydown: function (event) {
            switch (event.which) {
              case 13: // Enter
              case 32: // Space
                $element.remove();
                $tail.remove();
                event.preventDefault();
            }
          }
        }
      }).hide().appendTo($element);

      if ($click != null) {
        if ($click.hasClass('correct')) {
          $element.addClass('h5p-question-feedback-correct');
          $close.show();
          sections.buttons.$element.hide();
        }
        else {
          sections.buttons.$element.appendTo(sections.feedback.$element);
        }
      }

      positionFeedbackPopup($element, $click);
    };

    /**
     * Position the feedback popup.
     *
     * @private
     * @param {H5P.jQuery} $element Feedback div
     * @param {H5P.jQuery} $click Visual click div
     */
    var positionFeedbackPopup = function ($element, $click) {
      var $container = $element.parent();
      var $tail = $element.siblings('.h5p-question-feedback-tail');
      var popupWidth = $element.outerWidth();
      var popupHeight = setElementHeight($element);
      var space = 15;
      var disableTail = false;
      var positionY = $container.height() / 2 - popupHeight / 2;
      var positionX = $container.width() / 2 - popupWidth / 2;
      var tailX = 0;
      var tailY = 0;
      var tailRotation = 0;

      if ($click != null) {
        // Edge detection for click, takes space into account
        var clickNearTop = ($click[0].offsetTop < space);
        var clickNearBottom = ($click[0].offsetTop + $click.height() > $container.height() - space);
        var clickNearLeft = ($click[0].offsetLeft < space);
        var clickNearRight = ($click[0].offsetLeft + $click.width() > $container.width() - space);

        // Click is not in a corner or close to edge, calculate position normally
        positionX = $click[0].offsetLeft - popupWidth / 2  + $click.width() / 2;
        positionY = $click[0].offsetTop - popupHeight - space;
        tailX = positionX + popupWidth / 2 - $tail.width() / 2;
        tailY = positionY + popupHeight - ($tail.height() / 2);
        tailRotation = 225;

        // If popup is outside top edge, position under click instead
        if (popupHeight + space > $click[0].offsetTop) {
          positionY = $click[0].offsetTop + $click.height() + space;
          tailY = positionY - $tail.height() / 2 ;
          tailRotation = 45;
        }

        // If popup is outside left edge, position left
        if (positionX < 0) {
          positionX = 0;
        }

        // If popup is outside right edge, position right
        if (positionX + popupWidth > $container.width()) {
          positionX = $container.width() - popupWidth;
        }

        // Special cases such as corner clicks, or close to an edge, they override X and Y positions if met
        if (clickNearTop && (clickNearLeft || clickNearRight)) {
          positionX = $click[0].offsetLeft + (clickNearLeft ? $click.width() : -popupWidth);
          positionY = $click[0].offsetTop + $click.height();
          disableTail = true;
        }
        else if (clickNearBottom && (clickNearLeft || clickNearRight)) {
          positionX = $click[0].offsetLeft + (clickNearLeft ? $click.width() : -popupWidth);
          positionY = $click[0].offsetTop - popupHeight;
          disableTail = true;
        }
        else if (!clickNearTop && !clickNearBottom) {
          if (clickNearLeft || clickNearRight) {
            positionY = $click[0].offsetTop - popupHeight / 2 + $click.width() / 2;
            positionX = $click[0].offsetLeft + (clickNearLeft ? $click.width() + space : -popupWidth + -space);
            // Make sure this does not position the popup off screen
            if (positionX < 0) {
              positionX = 0;
              disableTail = true;
            }
            else {
              tailX = positionX + (clickNearLeft ? - $tail.width() / 2 : popupWidth - $tail.width() / 2);
              tailY = positionY + popupHeight / 2 - $tail.height() / 2;
              tailRotation = (clickNearLeft ? 315 : 135);
            }
          }
        }

        // Contain popup from overflowing bottom edge
        if (positionY + popupHeight > $container.height()) {
          positionY = $container.height() - popupHeight;

          if (popupHeight > $container.height() - ($click[0].offsetTop + $click.height() + space)) {
            disableTail = true;
          }
        }
      }
      else {
        disableTail = true;
      }

      // Contain popup from ovreflowing top edge
      if (positionY < 0) {
        positionY = 0;
      }

      $element.css({top: positionY, left: positionX});
      $tail.css({top: tailY, left: tailX});

      if (!disableTail) {
        $tail.css({
          'left': tailX,
          'top': tailY,
          'transform': 'rotate(' + tailRotation + 'deg)'
        }).show();
      }
      else {
        $tail.hide();
      }
    };

    /**
     * Set element max height, used for animations.
     *
     * @param {H5P.jQuery} $element
     */
    var setElementHeight = function ($element) {
      if (!$element.is(':visible')) {
        // No animation
        $element.css('max-height', 'none');
        return;
      }

      // If this element is shown in the popup, we can't set width to 100%,
      // since it already has a width set in CSS
      var isFeedbackPopup = $element.hasClass('h5p-question-popup');

      // Get natural element height
      var $tmp = $element.clone()
        .css({
          'position': 'absolute',
          'max-height': 'none',
          'width': isFeedbackPopup ? '' : '100%'
        })
        .appendTo($element.parent());

      // Need to take margins into account when calculating available space
      var sideMargins = parseFloat($element.css('margin-left'))
        + parseFloat($element.css('margin-right'));
      var tmpElWidth = $tmp.css('width') ? $tmp.css('width') : '100%';
      $tmp.css('width', 'calc(' + tmpElWidth + ' - ' + sideMargins + 'px)');

      // Apply height to element
      var h = Math.round($tmp.get(0).getBoundingClientRect().height);
      var fontSize = parseFloat($element.css('fontSize'));
      var relativeH = h / fontSize;
      $element.css('max-height', relativeH + 'em');
      $tmp.remove();

      if (h > 0 && sections.buttons && sections.buttons.$element === $element) {
        // Make sure buttons section is visible
        showSection(sections.buttons);

        // Resize buttons after resizing button section
        setTimeout(resizeButtons, 150);
      }
      return h;
    };

    /**
     * Does the actual job of hiding the buttons scheduled for hiding.
     *
     * @private
     * @param {boolean} [relocateFocus] Find a new button to focus
     */
    var hideButtons = function (relocateFocus) {
      for (var i = 0; i < buttonsToHide.length; i++) {
        hideButton(buttonsToHide[i].id);
      }
      buttonsToHide = [];

      if (relocateFocus) {
        self.focusButton();
      }
    };

    /**
     * Does the actual hiding.
     * @private
     * @param {string} buttonId
     */
    var hideButton = function (buttonId) {
      // Using detach() vs hide() makes it harder to cheat.
      buttons[buttonId].$element.detach();
      buttons[buttonId].isVisible = false;
    };

    /**
     * Shows the buttons on the next tick. This is to avoid buttons flickering
     * If they're both added and removed on the same tick.
     *
     * @private
     */
    var toggleButtons = function () {
      // If no buttons section, return
      if (sections.buttons === undefined) {
        return;
      }

      // Clear transition timer, reevaluate if buttons will be detached
      clearTimeout(toggleButtonsTransitionTimer);

      // Show buttons
      for (var i = 0; i < buttonsToShow.length; i++) {
        insert(buttonOrder, buttonsToShow[i].id, buttons, sections.buttons.$element);
        buttons[buttonsToShow[i].id].isVisible = true;
      }
      buttonsToShow = [];

      // Hide buttons
      var numToHide = 0;
      var relocateFocus = false;
      for (var j = 0; j < buttonsToHide.length; j++) {
        var button = buttons[buttonsToHide[j].id];
        if (button.isVisible) {
          numToHide += 1;
        }
        if (button.$element.is(':focus')) {
          // Move focus to the first visible button.
          relocateFocus = true;
        }
      }

      var animationTimer = 150;
      if (sections.feedback && sections.feedback.$element.hasClass('h5p-question-popup')) {
        animationTimer = 0;
      }

      if (numToHide === sections.buttons.$element.children().length) {
        // All buttons are going to be hidden. Hide container using transition.
        hideSection(sections.buttons);
        // Detach buttons
        hideButtons(relocateFocus);
      }
      else {
        hideButtons(relocateFocus);

        // Show button section
        if (!sections.buttons.$element.is(':empty')) {
          showSection(sections.buttons);
          setElementHeight(sections.buttons.$element);

          // Trigger resize after animation
          toggleButtonsTransitionTimer = setTimeout(function () {
            self.trigger('resize');
          }, animationTimer);
        }

        // Resize buttons to fit container
        resizeButtons();
      }

      toggleButtonsTimer = undefined;
    };

    /**
     * Allows for scaling of the question image.
     */
    var scaleImage = function () {
      var $imgSection = sections.image.$element;
      clearTimeout(imageTransitionTimer);

      // Add this here to avoid initial transition of the image making
      // content overflow. Alternatively we need to trigger a resize.
      $imgSection.addClass('animatable');

      if (imageThumb) {

        // Expand image
        $(this).attr('aria-expanded', true);
        $imgSection.addClass('h5p-question-image-fill-width');
        imageThumb = false;

        imageTransitionTimer = setTimeout(function () {
          self.trigger('resize');
        }, 600);
      }
      else {

        // Scale down image
        $(this).attr('aria-expanded', false);
        $imgSection.removeClass('h5p-question-image-fill-width');
        imageThumb = true;

        imageTransitionTimer = setTimeout(function () {
          self.trigger('resize');
        }, 600);
      }
    };

    /**
     * Get scrollable ancestor of element
     *
     * @private
     * @param {H5P.jQuery} $element
     * @param {Number} [currDepth=0] Current recursive calls to ancestor, stop at maxDepth
     * @param {Number} [maxDepth=5] Maximum depth for finding ancestor.
     * @returns {H5P.jQuery} Parent element that is scrollable
     */
    var findScrollableAncestor = function ($element, currDepth, maxDepth) {
      if (!currDepth) {
        currDepth = 0;
      }
      if (!maxDepth) {
        maxDepth = 5;
      }
      // Check validation of element or if we have reached document root
      if (!$element || !($element instanceof $) || document === $element.get(0) || currDepth >= maxDepth) {
        return;
      }

      if ($element.css('overflow-y') === 'auto') {
        return $element;
      }
      else {
        return findScrollableAncestor($element.parent(), currDepth + 1, maxDepth);
      }
    };

    /**
     * Scroll to bottom of Question.
     *
     * @private
     */
    var scrollToBottom = function () {
      if (!$wrapper || ($wrapper.hasClass('h5p-standalone') && !H5P.isFullscreen)) {
        return; // No scroll
      }

      var scrollableAncestor = findScrollableAncestor($wrapper);

      // Scroll to bottom of scrollable ancestor
      if (scrollableAncestor) {
        scrollableAncestor.animate({
          scrollTop: $wrapper.css('height')
        }, "slow");
      }
    };

    /**
     * Resize buttons to fit container width
     *
     * @private
     */
    var resizeButtons = function () {
      if (!buttons || !sections.buttons) {
        return;
      }

      var go = function () {
        // Don't do anything if button elements are not visible yet
        if (!sections.buttons.$element.is(':visible')) {
          return;
        }

        // Width of all buttons
        var buttonsWidth = {
          max: 0,
          min: 0,
          current: 0
        };

        for (var i in buttons) {
          var button = buttons[i];
          if (button.isVisible) {
            setButtonWidth(buttons[i]);
            buttonsWidth.max += button.width.max;
            buttonsWidth.min += button.width.min;
            buttonsWidth.current += button.isTruncated ? button.width.min : button.width.max;
          }
        }

        var makeButtonsFit = function (availableWidth) {
          if (buttonsWidth.max < availableWidth) {
            // It is room for everyone on the right side of the score bar (without truncating)
            if (buttonsWidth.max !== buttonsWidth.current) {
              // Need to make everyone big
              restoreButtonLabels(buttonsWidth.current, availableWidth);
            }
            return true;
          }
          else if (buttonsWidth.min < availableWidth) {
            // Is it room for everyone on the right side of the score bar with truncating?
            if (buttonsWidth.current > availableWidth) {
              removeButtonLabels(buttonsWidth.current, availableWidth);
            }
            else {
              restoreButtonLabels(buttonsWidth.current, availableWidth);
            }
            return true;
          }
          return false;
        };

        toggleFullWidthScorebar(false);

        var buttonSectionWidth = Math.floor(sections.buttons.$element.width()) - 1;

        if (!makeButtonsFit(buttonSectionWidth)) {
          // If we get here we need to wrap:
          toggleFullWidthScorebar(true);
          buttonSectionWidth = Math.floor(sections.buttons.$element.width()) - 1;
          makeButtonsFit(buttonSectionWidth);
        }
      };

      // If visible, resize right away
      if (sections.buttons.$element.is(':visible')) {
        go();
      }
      else { // If not visible, try on the next tick
        // Clear button truncation timer if within a button truncation function
        if (buttonTruncationTimer) {
          clearTimeout(buttonTruncationTimer);
        }
        buttonTruncationTimer = setTimeout(function () {
          buttonTruncationTimer = undefined;
          go();
        }, 0);
      }
    };

    var toggleFullWidthScorebar = function (enabled) {
      if (sections.scorebar &&
          sections.scorebar.$element &&
          sections.scorebar.$element.hasClass('h5p-question-visible')) {
        sections.buttons.$element.addClass('has-scorebar');
        sections.buttons.$element.toggleClass('wrap', enabled);
        sections.scorebar.$element.toggleClass('full-width', enabled);
      }
      else {
        sections.buttons.$element.removeClass('has-scorebar');
      }
    };

    /**
     * Remove button labels until they use less than max width.
     *
     * @private
     * @param {Number} buttonsWidth Total width of all buttons
     * @param {Number} maxButtonsWidth Max width allowed for buttons
     */
    var removeButtonLabels = function (buttonsWidth, maxButtonsWidth) {
      // Reverse traversal
      for (var i = buttonOrder.length - 1; i >= 0; i--) {
        var buttonId = buttonOrder[i];
        var button = buttons[buttonId];
        if (!button.isTruncated && button.isVisible) {
          var $button = button.$element;
          buttonsWidth -= button.width.max - button.width.min;

          // Remove label
          button.$element.attr('aria-label', $button.text()).html('').addClass('truncated');
          button.isTruncated = true;
          if (buttonsWidth <= maxButtonsWidth) {
            // Buttons are small enough.
            return;
          }
        }
      }
    };

    /**
     * Restore button labels until it fills maximum possible width without exceeding the max width.
     *
     * @private
     * @param {Number} buttonsWidth Total width of all buttons
     * @param {Number} maxButtonsWidth Max width allowed for buttons
     */
    var restoreButtonLabels = function (buttonsWidth, maxButtonsWidth) {
      for (var i = 0; i < buttonOrder.length; i++) {
        var buttonId = buttonOrder[i];
        var button = buttons[buttonId];
        if (button.isTruncated && button.isVisible) {
          // Calculate new total width of buttons with a static pixel for consistency cross-browser
          buttonsWidth += button.width.max - button.width.min + 1;

          if (buttonsWidth > maxButtonsWidth) {
            return;
          }
          // Restore label
          button.$element.html(button.text);
          button.$element.removeClass('truncated');
          button.isTruncated = false;
        }
      }
    };

    /**
     * Helper function for finding index of keyValue in array
     *
     * @param {String} keyValue Value to be found
     * @param {String} key In key
     * @param {Array} array In array
     * @returns {number}
     */
    var existsInArray = function (keyValue, key, array) {
      var i;
      for (i = 0; i < array.length; i++) {
        if (array[i][key] === keyValue) {
          return i;
        }
      }
      return -1;
    };

    /**
     * Show a section
     * @param {Object} section
     */
    var showSection = function (section) {
      section.$element.addClass('h5p-question-visible');
      section.isVisible = true;
    };

    /**
     * Hide a section
     * @param {Object} section
     */
    var hideSection = function (section) {
      section.$element.css('max-height', '');
      section.isVisible = false;

      setTimeout(function () {
        // Only hide if section hasn't been set to visible in the meantime
        if (!section.isVisible) {
          section.$element.removeClass('h5p-question-visible');
        }
      }, 150);
    };

    /**
     * Set behaviour for question.
     *
     * @param {Object} options An object containing behaviour that will be extended by Question
     */
    self.setBehaviour = function (options) {
      $.extend(behaviour, options);
    };

    /**
     * A video to display above the task.
     *
     * @param {object} params
     */
    self.setVideo = function (params) {
      sections.video = {
        $element: $('<div/>', {
          'class': 'h5p-question-video'
        })
      };

      if (disableAutoPlay && params.params.playback) {
        params.params.playback.autoplay = false;
      }

      // Never fit to wrapper
      if (!params.params.visuals) {
        params.params.visuals = {};
      }
      params.params.visuals.fit = false;
      sections.video.instance = H5P.newRunnable(params, self.contentId, sections.video.$element, true);
      var fromVideo = false; // Hack to avoid never ending loop
      sections.video.instance.on('resize', function () {
        fromVideo = true;
        self.trigger('resize');
        fromVideo = false;
      });
      self.on('resize', function () {
        if (!fromVideo) {
          sections.video.instance.trigger('resize');
        }
      });

      return self;
    };

    /**
     * Will stop any playback going on in the task.
     */
    self.pause = function () {
      if (sections.video && sections.video.isVisible) {
        sections.video.instance.pause();
      }
    };

    /**
     * Start playback of video
     */
    self.play = function () {
      if (sections.video && sections.video.isVisible) {
        sections.video.instance.play();
      }
    };

    /**
     * Disable auto play, useful in editors.
     */
    self.disableAutoPlay = function () {
      disableAutoPlay = true;
    };

    /**
     * Add task image.
     *
     * @param {string} path Relative
     * @param {Object} [options] Options object
     * @param {string} [options.alt] Text representation
     * @param {string} [options.title] Hover text
     * @param {Boolean} [options.disableImageZooming] Set as true to disable image zooming
     */
    self.setImage = function (path, options) {
      options = options ? options : {};
      sections.image = {};
      // Image container
      sections.image.$element = $('<div/>', {
        'class': 'h5p-question-image h5p-question-image-fill-width'
      });

      // Inner wrap
      var $imgWrap = $('<div/>', {
        'class': 'h5p-question-image-wrap',
        appendTo: sections.image.$element
      });

      // Image element
      var $img = $('<img/>', {
        src: H5P.getPath(path, self.contentId),
        alt: (options.alt === undefined ? '' : options.alt),
        title: (options.title === undefined ? '' : options.title),
        on: {
          load: function () {
            self.trigger('imageLoaded', this);
            self.trigger('resize');
          }
        },
        appendTo: $imgWrap
      });

      // Disable image zooming
      if (options.disableImageZooming) {
        $img.css('maxHeight', 'none');

        // Make sure we are using the correct amount of width at all times
        var determineImgWidth = function () {

          // Remove margins if natural image width is bigger than section width
          var imageSectionWidth = sections.image.$element.get(0).getBoundingClientRect().width;

          // Do not transition, for instant measurements
          $imgWrap.css({
            '-webkit-transition': 'none',
            'transition': 'none'
          });

          // Margin as translateX on both sides of image.
          var diffX = 2 * ($imgWrap.get(0).getBoundingClientRect().left -
            sections.image.$element.get(0).getBoundingClientRect().left);

          if ($img.get(0).naturalWidth >= imageSectionWidth - diffX) {
            sections.image.$element.addClass('h5p-question-image-fill-width');
          }
          else { // Use margin for small res images
            sections.image.$element.removeClass('h5p-question-image-fill-width');
          }

          // Reset transition rules
          $imgWrap.css({
            '-webkit-transition': '',
            'transition': ''
          });
        };

        // Determine image width
        if ($img.is(':visible')) {
          determineImgWidth();
        }
        else {
          $img.on('load', determineImgWidth);
        }

        // Skip adding zoom functionality
        return;
      }

      var sizeDetermined = false;
      var determineSize = function () {
        if (sizeDetermined || !$img.is(':visible')) {
          return; // Try again next time.
        }

        $imgWrap.addClass('h5p-question-image-scalable')
          .attr('aria-expanded', false)
          .attr('role', 'button')
          .attr('tabIndex', '0')
          .on('click', function (event) {
            if (event.which === 1) {
              scaleImage.apply(this); // Left mouse button click
            }
          }).on('keypress', function (event) {
            if (event.which === 32) {
              event.preventDefault(); // Prevent default behaviour; page scroll down
              scaleImage.apply(this); // Space bar pressed
            }
          });
        sections.image.$element.removeClass('h5p-question-image-fill-width');

        sizeDetermined  = true; // Prevent any futher events
      };

      self.on('resize', determineSize);

      return self;
    };

    /**
     * Add the introduction section.
     *
     * @param {(string|H5P.jQuery)} content
     */
    self.setIntroduction = function (content) {
      register('introduction', content);

      return self;
    };

    /**
     * Add the content section.
     *
     * @param {(string|H5P.jQuery)} content
     * @param {Object} [options]
     * @param {string} [options.class]
     */
    self.setContent = function (content, options) {
      register('content', content);

      if (options && options.class) {
        sections.content.$element.addClass(options.class);
      }

      return self;
    };

    /**
     * Force readspeaker to read text. Useful when you have to use
     * setTimeout for animations.
     */
    self.read = function (content) {
      if (!$read) {
        return; // Not ready yet
      }

      if (readText) {
        // Combine texts if called multiple times
        readText += (readText.substr(-1, 1) === '.' ? ' ' : '. ') + content;
      }
      else {
        readText = content;
      }

      // Set text
      $read.html(readText);

      setTimeout(function () {
        // Stop combining when done reading
        readText = null;
        $read.html('');
      }, 100);
    };

    /**
     * Read feedback
     */
    self.readFeedback = function () {
      var invalidFeedback =
        behaviour.disableReadSpeaker ||
        !showFeedback ||
        !sections.feedback ||
        !sections.feedback.$element;

      if (invalidFeedback) {
        return;
      }

      var $feedbackText = $('.h5p-question-feedback-content-text', sections.feedback.$element);
      if ($feedbackText && $feedbackText.html() && $feedbackText.html().length) {
        self.read($feedbackText.html());
      }
    };

    /**
     * Remove feedback
     *
     * @return {H5P.Question}
     */
    self.removeFeedback = function () {

      clearTimeout(feedbackTransitionTimer);

      if (sections.feedback && showFeedback) {

        showFeedback = false;

        // Hide feedback & scorebar
        hideSection(sections.scorebar);
        hideSection(sections.feedback);

        sectionsIsTransitioning = true;

        // Detach after transition
        feedbackTransitionTimer = setTimeout(function () {
          // Avoiding Transition.onTransitionEnd since it will register multiple events, and there's no way to cancel it if the transition changes back to "show" while the animation is happening.
          if (!showFeedback) {
            sections.feedback.$element.children().detach();
            sections.scorebar.$element.children().detach();

            // Trigger resize after animation
            self.trigger('resize');
          }
          sectionsIsTransitioning = false;
          scoreBar.setScore(0);
        }, 150);

        if ($wrapper) {
          $wrapper.find('.h5p-question-feedback-tail').remove();
        }
      }

      return self;
    };

    /**
     * Set feedback message.
     *
     * @param {string} [content]
     * @param {number} score The score
     * @param {number} maxScore The maximum score for this question
     * @param {string} [scoreBarLabel] Makes it easier for readspeakers to identify the scorebar
     * @param {string} [helpText] Help text that describes the score inside a tip icon
     * @param {object} [popupSettings] Extra settings for popup feedback
     * @param {boolean} [popupSettings.showAsPopup] Should the feedback display as popup?
     * @param {string} [popupSettings.closeText] Translation for close button text
     * @param {object} [popupSettings.click] Element representing where user clicked on screen
     */
    self.setFeedback = function (content, score, maxScore, scoreBarLabel, helpText, popupSettings, scoreExplanationButtonLabel) {
      // Feedback is disabled
      if (behaviour.disableFeedback) {
        return self;
      }

      // Need to toggle buttons right away to avoid flickering/blinking
      // Note: This means content types should invoke hide/showButton before setFeedback
      toggleButtons();

      clickElement = (popupSettings != null && popupSettings.click != null ? popupSettings.click : null);
      clearTimeout(feedbackTransitionTimer);

      var $feedback = $('<div>', {
        'class': 'h5p-question-feedback-container'
      });

      var $feedbackContent = $('<div>', {
        'class': 'h5p-question-feedback-content'
      }).appendTo($feedback);

      // Feedback text
      $('<div>', {
        'class': 'h5p-question-feedback-content-text',
        'html': content
      }).appendTo($feedbackContent);

      var $scorebar = $('<div>', {
        'class': 'h5p-question-scorebar-container'
      });
      if (scoreBar === undefined) {
        scoreBar = JoubelUI.createScoreBar(maxScore, scoreBarLabel, helpText, scoreExplanationButtonLabel);
      }
      scoreBar.appendTo($scorebar);

      $feedbackContent.toggleClass('has-content', content !== undefined && content.length > 0);

      // Feedback for readspeakers
      if (!behaviour.disableReadSpeaker && scoreBarLabel) {
        self.read(scoreBarLabel.replace(':num', score).replace(':total', maxScore) + '. ' + (content ? content : ''));
      }

      showFeedback = true;
      if (sections.feedback) {
        // Update section
        update('feedback', $feedback);
        update('scorebar', $scorebar);
      }
      else {
        // Create section
        register('feedback', $feedback);
        register('scorebar', $scorebar);
        if (initialized && $wrapper) {
          insert(self.order, 'feedback', sections, $wrapper);
          insert(self.order, 'scorebar', sections, $wrapper);
        }
      }

      showSection(sections.feedback);
      showSection(sections.scorebar);

      resizeButtons();

      if (popupSettings != null && popupSettings.showAsPopup == true) {
        makeFeedbackPopup(popupSettings.closeText);
        scoreBar.setScore(score);
      }
      else {
        // Show feedback section
        feedbackTransitionTimer = setTimeout(function () {
          setElementHeight(sections.feedback.$element);
          setElementHeight(sections.scorebar.$element);
          sectionsIsTransitioning = true;

          // Scroll to bottom after showing feedback
          scrollToBottom();

          // Trigger resize after animation
          feedbackTransitionTimer = setTimeout(function () {
            sectionsIsTransitioning = false;
            self.trigger('resize');
            scoreBar.setScore(score);
          }, 150);
        }, 0);
      }

      return self;
    };

    /**
     * Set feedback content (no animation).
     *
     * @param {string} content
     * @param {boolean} [extendContent] True will extend content, instead of replacing it
     */
    self.updateFeedbackContent = function (content, extendContent) {
      if (sections.feedback && sections.feedback.$element) {

        if (extendContent) {
          content = $('.h5p-question-feedback-content', sections.feedback.$element).html() + ' ' + content;
        }

        // Update feedback content html
        $('.h5p-question-feedback-content', sections.feedback.$element).html(content).addClass('has-content');

        // Make sure the height is correct
        setElementHeight(sections.feedback.$element);

        // Need to trigger resize when feedback has finished transitioning
        setTimeout(self.trigger.bind(self, 'resize'), 150);
      }

      return self;
    };

    /**
     * Set the content of the explanation / feedback panel
     *
     * @param {Object} data
     * @param {string} data.correct
     * @param {string} data.wrong
     * @param {string} data.text
     * @param {string} title Title for explanation panel
     *
     * @return {H5P.Question}
     */
    self.setExplanation = function (data, title) {
      if (data) {
        var explainer = new H5P.Question.Explainer(title, data);

        if (sections.explanation) {
          // Update section
          update('explanation', explainer.getElement());
        }
        else {
          register('explanation', explainer.getElement());

          if (initialized && $wrapper) {
            insert(self.order, 'explanation', sections, $wrapper);
          }
        }
      }
      else if (sections.explanation) {
        // Hide explanation section
        sections.explanation.$element.children().detach();
      }

      return self;
    };

    /**
     * Checks to see if button is registered.
     *
     * @param {string} id
     * @returns {boolean}
     */
    self.hasButton = function (id) {
      return (buttons[id] !== undefined);
    };

    /**
     * @typedef {Object} ConfirmationDialog
     * @property {boolean} [enable] Must be true to show confirmation dialog
     * @property {Object} [instance] Instance that uses confirmation dialog
     * @property {jQuery} [$parentElement] Append to this element.
     * @property {Object} [l10n] Translatable fields
     * @property {string} [l10n.header] Header text
     * @property {string} [l10n.body] Body text
     * @property {string} [l10n.cancelLabel]
     * @property {string} [l10n.confirmLabel]
     */

    /**
     * Register buttons for the task.
     *
     * @param {string} id
     * @param {string} text label
     * @param {function} clicked
     * @param {boolean} [visible=true]
     * @param {Object} [options] Options for button
     * @param {Object} [extras] Extra options
     * @param {ConfirmationDialog} [extras.confirmationDialog] Confirmation dialog
     */
    self.addButton = function (id, text, clicked, visible, options, extras) {
      if (buttons[id]) {
        return self; // Already registered
      }

      if (sections.buttons === undefined)  {
        // We have buttons, register wrapper
        register('buttons');
        if (initialized) {
          insert(self.order, 'buttons', sections, $wrapper);
        }
      }

      extras = extras || {};
      extras.confirmationDialog = extras.confirmationDialog || {};
      options = options || {};

      var confirmationDialog =
        self.addConfirmationDialogToButton(extras.confirmationDialog, clicked);

      /**
       * Handle button clicks through both mouse and keyboard
       * @private
       */
      var handleButtonClick = function () {
        if (extras.confirmationDialog.enable && confirmationDialog) {
          // Show popups section if used
          if (!extras.confirmationDialog.$parentElement) {
            sections.popups.$element.removeClass('hidden');
          }
          confirmationDialog.show($e.position().top);
        }
        else {
          clicked();
        }
      };

      buttons[id] = {
        isTruncated: false,
        text: text,
        isVisible: false
      };
      // The button might be <button> or <a>
      // (dependent on options.href set or not)
      var isAnchorTag = (options.href !== undefined);
      var $e = buttons[id].$element = JoubelUI.createButton($.extend({
        'class': 'h5p-question-' + id,
        html: text,
        title: text,
        on: {
          click: function (event) {
            handleButtonClick();
            if (isAnchorTag) {
              event.preventDefault();
            }
          }
        }
      }, options));
      buttonOrder.push(id);

      // The button might be <button> or <a>. If <a>, the space key is not
      // triggering the click event, must therefore handle this here:
      if (isAnchorTag) {
        $e.on('keypress', function (event) {
          if (event.which === 32) { // Space
            handleButtonClick();
            event.preventDefault();
          }
        });
      }

      if (visible === undefined || visible) {
        // Button should be visible
        $e.appendTo(sections.buttons.$element);
        buttons[id].isVisible = true;
        showSection(sections.buttons);
      }

      return self;
    };

    var setButtonWidth = function (button) {
      var $button = button.$element;
      var $tmp = $button.clone()
        .css({
          'position': 'absolute',
          'white-space': 'nowrap',
          'max-width': 'none'
        }).removeClass('truncated')
        .html(button.text)
        .appendTo($button.parent());

      // Calculate max width (button including text)
      button.width = {
        max: Math.ceil($tmp.outerWidth() + parseFloat($tmp.css('margin-left')) + parseFloat($tmp.css('margin-right')))
      };

      // Calculate min width (truncated, icon only)
      $tmp.html('').addClass('truncated');
      button.width.min = Math.ceil($tmp.outerWidth() + parseFloat($tmp.css('margin-left')) + parseFloat($tmp.css('margin-right')));
      $tmp.remove();
    };

    /**
     * Add confirmation dialog to button
     * @param {ConfirmationDialog} options
     *  A confirmation dialog that will be shown before click handler of button
     *  is triggered
     * @param {function} clicked
     *  Click handler of button
     * @return {H5P.ConfirmationDialog|undefined}
     *  Confirmation dialog if enabled
     */
    self.addConfirmationDialogToButton = function (options, clicked) {
      options = options || {};

      if (!options.enable) {
        return;
      }

      // Confirmation dialog
      var confirmationDialog = new H5P.ConfirmationDialog({
        instance: options.instance,
        headerText: options.l10n.header,
        dialogText: options.l10n.body,
        cancelText: options.l10n.cancelLabel,
        confirmText: options.l10n.confirmLabel
      });

      // Determine parent element
      if (options.$parentElement) {
        confirmationDialog.appendTo(options.$parentElement.get(0));
      }
      else {

        // Create popup section and append to that
        if (sections.popups === undefined) {
          register('popups');
          if (initialized) {
            insert(self.order, 'popups', sections, $wrapper);
          }
          sections.popups.$element.addClass('hidden');
          self.order.push('popups');
        }
        confirmationDialog.appendTo(sections.popups.$element.get(0));
      }

      // Add event listeners
      confirmationDialog.on('confirmed', function () {
        if (!options.$parentElement) {
          sections.popups.$element.addClass('hidden');
        }
        clicked();

        // Trigger to content type
        self.trigger('confirmed');
      });

      confirmationDialog.on('canceled', function () {
        if (!options.$parentElement) {
          sections.popups.$element.addClass('hidden');
        }
        // Trigger to content type
        self.trigger('canceled');
      });

      return confirmationDialog;
    };

    /**
     * Show registered button with given identifier.
     *
     * @param {string} id
     * @param {Number} [priority]
     */
    self.showButton = function (id, priority) {
      var aboutToBeHidden = existsInArray(id, 'id', buttonsToHide) !== -1;
      if (buttons[id] === undefined || (buttons[id].isVisible === true && !aboutToBeHidden)) {
        return self;
      }

      priority = priority || 0;

      // Skip if already being shown
      var indexToShow = existsInArray(id, 'id', buttonsToShow);
      if (indexToShow !== -1) {

        // Update priority
        if (buttonsToShow[indexToShow].priority < priority) {
          buttonsToShow[indexToShow].priority = priority;
        }

        return self;
      }

      // Check if button is going to be hidden on next tick
      var exists = existsInArray(id, 'id', buttonsToHide);
      if (exists !== -1) {

        // Skip hiding if higher priority
        if (buttonsToHide[exists].priority <= priority) {
          buttonsToHide.splice(exists, 1);
          buttonsToShow.push({id: id, priority: priority});
        }

      } // If button is not shown
      else if (!buttons[id].$element.is(':visible')) {

        // Show button on next tick
        buttonsToShow.push({id: id, priority: priority});
      }

      if (!toggleButtonsTimer) {
        toggleButtonsTimer = setTimeout(toggleButtons, 0);
      }

      return self;
    };

    /**
     * Hide registered button with given identifier.
     *
     * @param {string} id
     * @param {number} [priority]
     */
    self.hideButton = function (id, priority) {
      var aboutToBeShown = existsInArray(id, 'id', buttonsToShow) !== -1;
      if (buttons[id] === undefined || (buttons[id].isVisible === false && !aboutToBeShown)) {
        return self;
      }

      priority = priority || 0;

      // Skip if already being hidden
      var indexToHide = existsInArray(id, 'id', buttonsToHide);
      if (indexToHide !== -1) {

        // Update priority
        if (buttonsToHide[indexToHide].priority < priority) {
          buttonsToHide[indexToHide].priority = priority;
        }

        return self;
      }

      // Check if buttons is going to be shown on next tick
      var exists = existsInArray(id, 'id', buttonsToShow);
      if (exists !== -1) {

        // Skip showing if higher priority
        if (buttonsToShow[exists].priority <= priority) {
          buttonsToShow.splice(exists, 1);
          buttonsToHide.push({id: id, priority: priority});
        }
      }
      else if (!buttons[id].$element.is(':visible')) {

        // Make sure it is detached in case the container is hidden.
        hideButton(id);
      }
      else {

        // Hide button on next tick.
        buttonsToHide.push({id: id, priority: priority});
      }

      if (!toggleButtonsTimer) {
        toggleButtonsTimer = setTimeout(toggleButtons, 0);
      }

      return self;
    };

    /**
     * Set focus to the given button. If no button is given the first visible
     * button gets focused. This is useful if you lose focus.
     *
     * @param {string} [id]
     */
    self.focusButton = function (id) {
      if (id === undefined) {
        // Find first button that is visible.
        for (var i = 0; i < buttonOrder.length; i++) {
          var button = buttons[buttonOrder[i]];
          if (button && button.isVisible) {
            // Give that button focus
            button.$element.focus();
            break;
          }
        }
      }
      else if (buttons[id] && buttons[id].$element.is(':visible')) {
        // Set focus to requested button
        buttons[id].$element.focus();
      }

      return self;
    };

    /**
     * Toggle readspeaker functionality
     * @param {boolean} [disable] True to disable, false to enable.
     */
    self.toggleReadSpeaker = function (disable) {
      behaviour.disableReadSpeaker = disable || !behaviour.disableReadSpeaker;
    };

    /**
     * Set new element for section.
     *
     * @param {String} id
     * @param {H5P.jQuery} $element
     */
    self.insertSectionAtElement = function (id, $element) {
      if (sections[id] === undefined) {
        register(id);
      }
      sections[id].parent = $element;

      // Insert section if question is not initialized
      if (!initialized) {
        insert([id], id, sections, $element);
      }

      return self;
    };

    /**
     * Attach content to given container.
     *
     * @param {H5P.jQuery} $container
     */
    self.attach = function ($container) {
      if (self.isRoot()) {
        self.setActivityStarted();
      }

      // The first time we attach we also create our DOM elements.
      if ($wrapper === undefined) {
        if (self.registerDomElements !== undefined &&
           (self.registerDomElements instanceof Function ||
           typeof self.registerDomElements === 'function')) {

          // Give the question type a chance to register before attaching
          self.registerDomElements();
        }

        // Create section for reading messages
        $read = $('<div/>', {
          'aria-live': 'polite',
          'class': 'h5p-hidden-read'
        });
        register('read', $read);
        self.trigger('registerDomElements');
      }

      // Prepare container
      $wrapper = $container;
      $container.html('')
        .addClass('h5p-question h5p-' + type);

      // Add sections in given order
      var $sections = [];
      for (var i = 0; i < self.order.length; i++) {
        var section = self.order[i];
        if (sections[section]) {
          if (sections[section].parent) {
            // Section has a different parent
            sections[section].$element.appendTo(sections[section].parent);
          }
          else {
            $sections.push(sections[section].$element);
          }
          sections[section].isVisible = true;
        }
      }

      // Only append once to DOM for optimal performance
      $container.append($sections);

      // Let others react to dom changes
      self.trigger('domChanged', {
        '$target': $container,
        'library': self.libraryInfo.machineName,
        'contentId': self.contentId,
        'key': 'newLibrary'
      }, {'bubbles': true, 'external': true});

      // ??
      initialized = true;

      return self;
    };

    /**
     * Detach all sections from their parents
     */
    self.detachSections = function () {
      // Deinit Question
      initialized = false;

      // Detach sections
      for (var section in sections) {
        sections[section].$element.detach();
      }

      return self;
    };

    // Listen for resize
    self.on('resize', function () {
      // Allow elements to attach and set their height before resizing
      if (!sectionsIsTransitioning && sections.feedback && showFeedback) {
        // Resize feedback to fit
        setElementHeight(sections.feedback.$element);
      }

      // Re-position feedback popup if in use
      var $element = sections.feedback;
      var $click = clickElement;

      if ($element != null && $element.$element != null && $click != null && $click.$element != null) {
        setTimeout(function () {
          positionFeedbackPopup($element.$element, $click.$element);
        }, 10);
      }

      resizeButtons();
    });
  }

  // Inheritance
  Question.prototype = Object.create(EventDispatcher.prototype);
  Question.prototype.constructor = Question;

  /**
   * Determine the overall feedback to display for the question.
   * Returns empty string if no matching range is found.
   *
   * @param {Object[]} feedbacks
   * @param {number} scoreRatio
   * @return {string}
   */
  Question.determineOverallFeedback = function (feedbacks, scoreRatio) {
    scoreRatio = Math.floor(scoreRatio * 100);

    for (var i = 0; i < feedbacks.length; i++) {
      var feedback = feedbacks[i];
      var hasFeedback = (feedback.feedback !== undefined && feedback.feedback.trim().length !== 0);

      if (feedback.from <= scoreRatio && feedback.to >= scoreRatio && hasFeedback) {
        return feedback.feedback;
      }
    }

    return '';
  };

  return Question;
})(H5P.jQuery, H5P.EventDispatcher, H5P.JoubelUI);
;
H5P.Question.Explainer = (function ($) {
  /**
   * Constructor
   *
   * @class
   * @param {string} title
   * @param {array} explanations
   */
  function Explainer(title, explanations) {
    var self = this;

    /**
     * Create the DOM structure
     */
    var createHTML = function () {
      self.$explanation = $('<div>', {
        'class': 'h5p-question-explanation-container'
      });

      // Add title:
      $('<div>', {
        'class': 'h5p-question-explanation-title',
        role: 'heading',
        html: title,
        appendTo: self.$explanation
      });

      var $explanationList = $('<ul>', {
        'class': 'h5p-question-explanation-list',
        appendTo: self.$explanation
      });

      for (var i = 0; i < explanations.length; i++) {
        var feedback = explanations[i];
        var $explanationItem = $('<li>', {
          'class': 'h5p-question-explanation-item',
          appendTo: $explanationList
        });

        var $content = $('<div>', {
          'class': 'h5p-question-explanation-status'
        });

        if (feedback.correct) {
          $('<span>', {
            'class': 'h5p-question-explanation-correct',
            html: feedback.correct,
            appendTo: $content
          });
        }
        if (feedback.wrong) {
          $('<span>', {
            'class': 'h5p-question-explanation-wrong',
            html: feedback.wrong,
            appendTo: $content
          });
        }
        $content.appendTo($explanationItem);

        if (feedback.text) {
          $('<div>', {
            'class': 'h5p-question-explanation-text',
            html: feedback.text,
            appendTo: $explanationItem
          });
        }
      }
    };

    createHTML();

    /**
     * Return the container HTMLElement
     *
     * @return {HTMLElement}
     */
    self.getElement = function () {
      return self.$explanation;
    };
  }

  return Explainer;

})(H5P.jQuery);
;
(function (Question) {

  /**
   * Makes it easy to add animated score points for your question type.
   *
   * @class H5P.Question.ScorePoints
   */
  Question.ScorePoints = function () {
    var self = this;

    var elements = [];
    var showElementsTimer;

    /**
     * Create the element that displays the score point element for questions.
     *
     * @param {boolean} isCorrect
     * @return {HTMLElement}
     */
    self.getElement = function (isCorrect) {
      var element = document.createElement('div');
      element.classList.add(isCorrect ? 'h5p-question-plus-one' : 'h5p-question-minus-one');
      element.classList.add('h5p-question-hidden-one');
      elements.push(element);

      // Schedule display animation of all added elements
      if (showElementsTimer) {
        clearTimeout(showElementsTimer);
      }
      showElementsTimer = setTimeout(showElements, 0);

      return element;
    };

    /**
     * @private
     */
    var showElements = function () {
      // Determine delay between triggering animations
      var delay = 0;
      var increment = 150;
      var maxTime = 1000;

      if (elements.length && elements.length > Math.ceil(maxTime / increment)) {
        // Animations will run for more than ~1 second, reduce it.
        increment = maxTime / elements.length;
      }

      for (var i = 0; i < elements.length; i++) {
        // Use timer to trigger show
        setTimeout(showElement(elements[i]), delay);

        // Increse delay for next element
        delay += increment;
      }
    };

    /**
     * Trigger transition animation for the given element
     *
     * @private
     * @param {HTMLElement} element
     * @return {function}
     */
    var showElement = function (element) {
      return function () {
        element.classList.remove('h5p-question-hidden-one');
      };
    };
  };

})(H5P.Question);
;
/*global EJS*/
// Will render a Question with multiple choices for answers.

// Options format:
// {
//   title: "Optional title for question box",
//   question: "Question text",
//   answers: [{text: "Answer text", correct: false}, ...],
//   singleAnswer: true, // or false, will change rendered output slightly.
//   singlePoint: true,  // True if question give a single point score only
//                       // if all are correct, false to give 1 point per
//                       // correct answer. (Only for singleAnswer=false)
//   randomAnswers: false  // Whether to randomize the order of answers.
// }
//
// Events provided:
// - h5pQuestionAnswered: Triggered when a question has been answered.

var H5P = H5P || {};

/**
 * @typedef {Object} Options
 *   Options for multiple choice
 *
 * @property {Object} behaviour
 * @property {boolean} behaviour.confirmCheckDialog
 * @property {boolean} behaviour.confirmRetryDialog
 *
 * @property {Object} UI
 * @property {string} UI.tipsLabel
 *
 * @property {Object} [confirmRetry]
 * @property {string} [confirmRetry.header]
 * @property {string} [confirmRetry.body]
 * @property {string} [confirmRetry.cancelLabel]
 * @property {string} [confirmRetry.confirmLabel]
 *
 * @property {Object} [confirmCheck]
 * @property {string} [confirmCheck.header]
 * @property {string} [confirmCheck.body]
 * @property {string} [confirmCheck.cancelLabel]
 * @property {string} [confirmCheck.confirmLabel]
 */

/**
 * Module for creating a multiple choice question
 *
 * @param {Options} options
 * @param {number} contentId
 * @param {Object} contentData
 * @returns {H5P.MultiChoice}
 * @constructor
 */
H5P.MultiChoice = function (options, contentId, contentData) {
  if (!(this instanceof H5P.MultiChoice))
    return new H5P.MultiChoice(options, contentId, contentData);
  var self = this;
  this.contentId = contentId;
  this.contentData = contentData;
  H5P.Question.call(self, 'multichoice');
  var $ = H5P.jQuery;

  // checkbox or radiobutton
  var texttemplate =
    '<ul class="h5p-answers" role="<%= role %>" aria-labelledby="<%= label %>">' +
    '  <% for (var i=0; i < answers.length; i++) { %>' +
    '    <li class="h5p-answer" role="<%= answers[i].role %>" tabindex="<%= answers[i].tabindex %>" aria-checked="<%= answers[i].checked %>" data-id="<%= i %>">' +
    '      <div class="h5p-alternative-container">' +
    '        <span class="h5p-alternative-inner"><%= answers[i].text %></span>' +
    '      </div>' +
    '      <div class="h5p-clearfix"></div>' +
    '    </li>' +
    '  <% } %>' +
    '</ul>';

  var defaults = {
    image: null,
    question: "No question text provided",
    answers: [
      {
        tipsAndFeedback: {
          tip: '',
          chosenFeedback: '',
          notChosenFeedback: ''
        },
        text: "Answer 1",
        correct: true
      }
    ],
    overallFeedback: [],
    weight: 1,
    userAnswers: [],
    UI: {
      checkAnswerButton: 'Check',
      showSolutionButton: 'Show solution',
      tryAgainButton: 'Try again',
      scoreBarLabel: 'You got :num out of :total points',
      tipAvailable: "Tip available",
      feedbackAvailable: "Feedback available",
      readFeedback: 'Read feedback',
      shouldCheck: "Should have been checked",
      shouldNotCheck: "Should not have been checked",
      noInput: 'Input is required before viewing the solution'
    },
    behaviour: {
      enableRetry: true,
      enableSolutionsButton: true,
      enableCheckButton: true,
      type: 'auto',
      singlePoint: true,
      randomAnswers: false,
      showSolutionsRequiresInput: true,
      autoCheck: false,
      passPercentage: 100,
      showScorePoints: true
    }
  };
  var template = new EJS({text: texttemplate});
  var params = $.extend(true, defaults, options);
  // Keep track of number of correct choices
  var numCorrect = 0;

  // Loop through choices
  for (var i = 0; i < params.answers.length; i++) {
    var answer = params.answers[i];

    // Make sure tips and feedback exists
    answer.tipsAndFeedback = answer.tipsAndFeedback || {};

    if (params.answers[i].correct) {
      // Update number of correct choices
      numCorrect++;
    }
  }

  // Determine if no choices is the correct
  var blankIsCorrect = (numCorrect === 0);

  // Determine task type
  if (params.behaviour.type === 'auto') {
    // Use single choice if only one choice is correct
    params.behaviour.singleAnswer = (numCorrect === 1);
  }
  else {
    params.behaviour.singleAnswer = (params.behaviour.type === 'single');
  }

  var getCheckboxOrRadioIcon = function (radio, selected) {
    var icon;
    if (radio) {
      icon = selected ? '&#xe603;' : '&#xe600;';
    }
    else {
      icon = selected ? '&#xe601;' : '&#xe602;';
    }
    return icon;
  };

  // Initialize buttons and elements.
  var $myDom;
  var $feedbackDialog;

  /**
   * Remove all feedback dialogs
   */
  var removeFeedbackDialog = function () {
    // Remove the open feedback dialogs.
    $myDom.unbind('click', removeFeedbackDialog);
    $myDom.find('.h5p-feedback-button, .h5p-feedback-dialog').remove();
    $myDom.find('.h5p-has-feedback').removeClass('h5p-has-feedback');
    if ($feedbackDialog) {
      $feedbackDialog.remove();
    }
  };

  var score = 0;
  var solutionsVisible = false;

  /**
   * Add feedback to element
   * @param {jQuery} $element Element that feedback will be added to
   * @param {string} feedback Feedback string
   */
  var addFeedback = function ($element, feedback) {
    $feedbackDialog = $('' +
    '<div class="h5p-feedback-dialog">' +
      '<div class="h5p-feedback-inner">' +
        '<div class="h5p-feedback-text" aria-hidden="true">' + feedback + '</div>' +
      '</div>' +
    '</div>');

    //make sure feedback is only added once
    if (!$element.find($('.h5p-feedback-dialog')).length) {
      $feedbackDialog.appendTo($element.addClass('h5p-has-feedback'));
    }
  };

  /**
   * Register the different parts of the task with the H5P.Question structure.
   */
  self.registerDomElements = function () {
    var media = params.media;
    if (media && media.type && media.type.library) {
      media = media.type;
      var type = media.library.split(' ')[0];
      if (type === 'H5P.Image') {
        if (media.params.file) {
          // Register task image
          self.setImage(media.params.file.path, {
            disableImageZooming: params.media.disableImageZooming || false,
            alt: media.params.alt,
            title: media.params.title
          });
        }
      }
      else if (type === 'H5P.Video') {
        if (media.params.sources) {
          // Register task video
          self.setVideo(media);
        }
      }
    }

    // Determine if we're using checkboxes or radio buttons
    for (var i = 0; i < params.answers.length; i++) {
      params.answers[i].checkboxOrRadioIcon = getCheckboxOrRadioIcon(params.behaviour.singleAnswer, params.userAnswers.indexOf(i) > -1);
    }

    // Register Introduction
    self.setIntroduction('<div id="' + params.label + '">' + params.question + '</div>');

    // Register task content area
    $myDom = $(template.render(params));
    self.setContent($myDom, {
      'class': params.behaviour.singleAnswer ? 'h5p-radio' : 'h5p-check'
    });

    // Create tips:
    var $answers = $('.h5p-answer', $myDom).each(function (i) {

      var tip = params.answers[i].tipsAndFeedback.tip;
      if (tip === undefined) {
        return; // No tip
      }

      tip = tip.trim();
      var tipContent = tip
        .replace(/&nbsp;/g, '')
        .replace(/<p>/g, '')
        .replace(/<\/p>/g, '')
        .trim();
      if (!tipContent.length) {
        return; // Empty tip
      }
      else {
        $(this).addClass('h5p-has-tip');
      }

      // Add tip
      var $wrap = $('<div/>', {
        'class': 'h5p-multichoice-tipwrap',
        'aria-label': params.UI.tipAvailable + '.'
      });

      var $multichoiceTip = $('<div>', {
        'role': 'button',
        'tabindex': 0,
        'title': params.UI.tipsLabel,
        'aria-label': params.UI.tipsLabel,
        'aria-expanded': false,
        'class': 'multichoice-tip',
        appendTo: $wrap
      });

      var tipIconHtml = '<span class="joubel-icon-tip-normal">' +
                          '<span class="h5p-icon-shadow"></span>' +
                          '<span class="h5p-icon-speech-bubble"></span>' +
                          '<span class="h5p-icon-info"></span>' +
                        '</span>';

      $multichoiceTip.append(tipIconHtml);

      $multichoiceTip.click(function () {
        var $tipContainer = $multichoiceTip.parents('.h5p-answer');
        var openFeedback = !$tipContainer.children('.h5p-feedback-dialog').is($feedbackDialog);
        removeFeedbackDialog();

        // Do not open feedback if it was open
        if (openFeedback) {
          $multichoiceTip.attr('aria-expanded', true);

          // Add tip dialog
          addFeedback($tipContainer, tip);
          $feedbackDialog.addClass('h5p-has-tip');

          // Tip for readspeaker
          self.read(tip);
        }
        else {
          $multichoiceTip.attr('aria-expanded', false);
        }

        self.trigger('resize');

        // Remove tip dialog on dom click
        setTimeout(function () {
          $myDom.click(removeFeedbackDialog);
        }, 100);

        // Do not propagate
        return false;
      }).keydown(function (e) {
        if (e.which === 32) {
          $(this).click();
          return false;
        }
      });

      $('.h5p-alternative-container', this).append($wrap);
    });

    // Set event listeners.
    var toggleCheck = function ($ans) {
      if ($ans.attr('aria-disabled') === 'true') {
        return;
      }
      self.answered = true;
      var num = parseInt($ans.data('id'));
      if (params.behaviour.singleAnswer) {
        // Store answer
        params.userAnswers[0] = num;

        // Calculate score
        score = (params.answers[num].correct ? 1 : 0);

        // De-select previous answer
        $answers.not($ans).removeClass('h5p-selected').attr('tabindex', '-1').attr('aria-checked', 'false');

        // Select new answer
        $ans.addClass('h5p-selected').attr('tabindex', '0').attr('aria-checked', 'true');
      }
      else {
        if ($ans.attr('aria-checked') === 'true') {

          // Do not allow un-checking when retry disabled and auto check
          if (params.behaviour.autoCheck && !params.behaviour.enableRetry) {
            return;
          }

          // Remove check
          $ans.removeClass('h5p-selected').attr('aria-checked', 'false');
        }
        else {
          $ans.addClass('h5p-selected').attr('aria-checked', 'true');
        }

        // Calculate score
        calcScore();
      }

      self.triggerXAPI('interacted');
      hideSolution($ans);

      if (params.userAnswers.length) {
        self.showButton('check-answer');
        self.hideButton('try-again');
        self.hideButton('show-solution');

        if (params.behaviour.autoCheck) {
          if (params.behaviour.singleAnswer) {
            // Only a single answer allowed
            checkAnswer();
          }
          else {
            // Show feedback for selected alternatives
            self.showCheckSolution(true);

            // Always finish task if it was completed successfully
            if (score === self.getMaxScore()) {
              checkAnswer();
            }
          }
        }
      }
    };

    $answers.click(function () {
      toggleCheck($(this));
    }).keydown(function (e) {
      if (e.keyCode === 32) { // Space bar
        // Select current item
        toggleCheck($(this));
        return false;
      }

      if (params.behaviour.singleAnswer) {
        switch (e.keyCode) {
          case 38:   // Up
          case 37: { // Left
            // Try to select previous item
            var $prev = $(this).prev();
            if ($prev.length) {
              toggleCheck($prev.focus());
            }
            return false;
          }
          case 40:   // Down
          case 39: { // Right
            // Try to select next item
            var $next = $(this).next();
            if ($next.length) {
              toggleCheck($next.focus());
            }
            return false;
          }
        }
      }
    });

    if (params.behaviour.singleAnswer) {
      // Special focus handler for radio buttons
      $answers.focus(function () {
        if ($(this).attr('aria-disabled') !== 'true') {
          $answers.not(this).attr('tabindex', '-1');
        }
      }).blur(function () {
        if (!$answers.filter('.h5p-selected').length) {
          $answers.first().add($answers.last()).attr('tabindex', '0');
        }
      });
    }

    // Adds check and retry button
    addButtons();
    if (!params.behaviour.singleAnswer) {

      calcScore();
    }
    else {
      if (params.userAnswers.length && params.answers[params.userAnswers[0]].correct) {
        score = 1;
      }
      else {
        score = 0;
      }
    }

    // Has answered through auto-check in a previous session
    if (hasCheckedAnswer && params.behaviour.autoCheck) {

      // Check answers if answer has been given or max score reached
      if (params.behaviour.singleAnswer || score === self.getMaxScore()) {
        checkAnswer();
      }
      else {
        // Show feedback for checked checkboxes
        self.showCheckSolution(true);
      }
    }
  };

  this.showAllSolutions = function () {
    if (solutionsVisible) {
      return;
    }
    solutionsVisible = true;

    $myDom.find('.h5p-answer').each(function (i, e) {
      var $e = $(e);
      var a = params.answers[i];
      if (a.correct) {
        $e.addClass('h5p-should').append($('<span/>', {
          'class': 'h5p-solution-icon',
          html: params.UI.shouldCheck + '.'
        }));
      }
      else {
        $e.addClass('h5p-should-not').append($('<span/>', {
          'class': 'h5p-solution-icon',
          html: params.UI.shouldNotCheck + '.'
        }));
      }
    }).find('.h5p-question-plus-one, .h5p-question-minus-one').remove();

    // Make sure input is disabled in solution mode
    disableInput();

    // Move focus back to the first correct alternative so that the user becomes
    // aware that the solution is being shown.
    $myDom.find('.h5p-answer.h5p-should').first().focus();

    //Hide buttons and retry depending on settings.
    self.hideButton('check-answer');
    self.hideButton('show-solution');
    if (params.behaviour.enableRetry) {
      self.showButton('try-again');
    }
    self.trigger('resize');
  };

  /**
   * Used in contracts.
   * Shows the solution for the task and hides all buttons.
   */
  this.showSolutions = function () {
    removeFeedbackDialog();
    self.showCheckSolution();
    self.showAllSolutions();
    disableInput();
    self.hideButton('try-again');
  };

  /**
   * Hide solution for the given answer(s)
   *
   * @private
   * @param {H5P.jQuery} $answer
   */
  var hideSolution = function ($answer) {
    $answer
      .removeClass('h5p-correct')
      .removeClass('h5p-wrong')
      .removeClass('h5p-should')
      .removeClass('h5p-should-not')
      .removeClass('h5p-has-feedback')
      .find('.h5p-question-plus-one, .h5p-question-minus-one, .h5p-answer-icon, .h5p-solution-icon, .h5p-feedback-dialog').remove();
  };

  /**
   *
   */
  this.hideSolutions = function () {
    solutionsVisible = false;

    hideSolution($('.h5p-answer', $myDom));

    this.removeFeedback(); // Reset feedback

    self.trigger('resize');
  };

  /**
   * Resets the whole task.
   * Used in contracts with integrated content.
   * @private
   */
  this.resetTask = function () {
    self.answered = false;
    self.hideSolutions();
    params.userAnswers = [];
    removeSelections();
    self.showButton('check-answer');
    self.hideButton('try-again');
    self.hideButton('show-solution');
    enableInput();
    $myDom.find('.h5p-feedback-available').remove();
  };

  var calculateMaxScore = function () {
    if (blankIsCorrect) {
      return params.weight;
    }
    var maxScore = 0;
    for (var i = 0; i < params.answers.length; i++) {
      var choice = params.answers[i];
      if (choice.correct) {
        maxScore += (choice.weight !== undefined ? choice.weight : 1);
      }
    }
    return maxScore;
  };

  this.getMaxScore = function () {
    return (!params.behaviour.singleAnswer && !params.behaviour.singlePoint ? calculateMaxScore() : params.weight);
  };

  /**
   * Check answer
   */
  var checkAnswer = function () {
    // Unbind removal of feedback dialogs on click
    $myDom.unbind('click', removeFeedbackDialog);

    // Remove all tip dialogs
    removeFeedbackDialog();

    if (params.behaviour.enableSolutionsButton) {
      self.showButton('show-solution');
    }
    if (params.behaviour.enableRetry) {
      self.showButton('try-again');
    }
    self.hideButton('check-answer');

    self.showCheckSolution();
    disableInput();

    var xAPIEvent = self.createXAPIEventTemplate('answered');
    addQuestionToXAPI(xAPIEvent);
    addResponseToXAPI(xAPIEvent);
    self.trigger(xAPIEvent);
  };

  /**
   * Determine if any of the radios or checkboxes have been checked.
   *
   * @return {boolean}
   */
  var isAnswerSelected = function () {
    return !!$('.h5p-answer[aria-checked="true"]', $myDom).length;
  };

  /**
   * Adds the ui buttons.
   * @private
   */
  var addButtons = function () {
    var $content = $('[data-content-id="' + self.contentId + '"].h5p-content');
    var $containerParents = $content.parents('.h5p-container');

    // select find container to attach dialogs to
    var $container;
    if($containerParents.length !== 0) {
      // use parent highest up if any
      $container = $containerParents.last();
    }
    else if($content.length !== 0){
      $container = $content;
    }
    else  {
      $container = $(document.body);
    }

    // Show solution button
    self.addButton('show-solution', params.UI.showSolutionButton, function () {

      if (params.behaviour.showSolutionsRequiresInput && !isAnswerSelected()) {
        // Require answer before solution can be viewed
        self.updateFeedbackContent(params.UI.noInput);
        self.read(params.UI.noInput);
      }
      else {
        calcScore();
        self.showAllSolutions();
      }

    }, false);

    // Check solution button
    if (params.behaviour.enableCheckButton && (!params.behaviour.autoCheck || !params.behaviour.singleAnswer)) {
      self.addButton('check-answer', params.UI.checkAnswerButton,
        function () {
          self.answered = true;
          checkAnswer();
        },
        true,
        {},
        {
          confirmationDialog: {
            enable: params.behaviour.confirmCheckDialog,
            l10n: params.confirmCheck,
            instance: self,
            $parentElement: $container
          }
        }
      );
    }

    // Try Again button
    self.addButton('try-again', params.UI.tryAgainButton, function () {
      self.showButton('check-answer');
      self.hideButton('try-again');
      self.hideButton('show-solution');
      self.hideSolutions();
      removeSelections();
      enableInput();
      $myDom.find('.h5p-feedback-available').remove();
      self.answered = false;
      if (params.behaviour.randomAnswers) {
        // reshuffle answers
       var oldIdMap = idMap;
       idMap = getShuffleMap();
       var answersDisplayed = $myDom.find('.h5p-answer');
       // remember tips
       var tip = [];
       for (i = 0; i < answersDisplayed.length; i++) {
         tip[i] = $(answersDisplayed[i]).find('.h5p-multichoice-tipwrap');
       }
       // Those two loops cannot be merged or you'll screw up your tips
       for (i = 0; i < answersDisplayed.length; i++) {
         // move tips and answers on display
         $(answersDisplayed[i]).find('.h5p-alternative-inner').html(params.answers[i].text);
         $(tip[i]).detach().appendTo($(answersDisplayed[idMap.indexOf(oldIdMap[i])]).find('.h5p-alternative-container'));
       }
     }
    }, false, {}, {
      confirmationDialog: {
        enable: params.behaviour.confirmRetryDialog,
        l10n: params.confirmRetry,
        instance: self,
        $parentElement: $container
      }
    });
  };

  /**
   * @private
   */
  var insertFeedback = function ($e, feedback) {
    // Add visuals
    addFeedback($e, feedback);

    // Add button for readspeakers
    var $wrap = $('<div/>', {
      'class': 'h5p-hidden-read h5p-feedback-available',
      'aria-label': params.UI.feedbackAvailable + '.'
    });
    $('<div/>', {
      'role': 'button',
      'tabindex': 0,
      'aria-label': params.UI.readFeedback + '.',
      appendTo: $wrap,
      on: {
        keydown: function (e) {
          if (e.which === 32) { // Space
            self.read(feedback);
            return false;
          }
        }
      }
    });
    $wrap.appendTo($e);
  };

  /**
   * Determine which feedback text to display
   *
   * @param {number} score
   * @param {number} max
   * @return {string}
   */
  var getFeedbackText = function (score, max) {
    var ratio = (score / max);

    var feedback = H5P.Question.determineOverallFeedback(params.overallFeedback, ratio);

    return feedback.replace('@score', score).replace('@total', max);
  };

  /**
   * Shows feedback on the selected fields.
   * @public
   * @param {boolean} [skipFeedback] Skip showing feedback if true
   */
  this.showCheckSolution = function (skipFeedback) {
    var scorePoints;
    if (!(params.behaviour.singleAnswer || params.behaviour.singlePoint || !params.behaviour.showScorePoints)) {
      scorePoints = new H5P.Question.ScorePoints();
    }

    $myDom.find('.h5p-answer').each(function (i, e) {
      var $e = $(e);
      var a = params.answers[i];
      var chosen = ($e.attr('aria-checked') === 'true');
      if (chosen) {
        if (a.correct) {
          // May already have been applied by instant feedback
          if (!$e.hasClass('h5p-correct')) {
            $e.addClass('h5p-correct').append($('<span/>', {
              'class': 'h5p-answer-icon',
              html: params.UI.correctAnswer + '.'
            }));
          }
        }
        else {
          if (!$e.hasClass('h5p-wrong')) {
            $e.addClass('h5p-wrong').append($('<span/>', {
              'class': 'h5p-answer-icon',
              html: params.UI.wrongAnswer + '.'
            }));
          }
        }

        if (scorePoints) {
          var alternativeContainer = $e[0].querySelector('.h5p-alternative-container');

          if (!params.behaviour.autoCheck || alternativeContainer.querySelector('.h5p-question-plus-one, .h5p-question-minus-one') === null) {
            alternativeContainer.appendChild(scorePoints.getElement(a.correct));
          }
        }
      }

      if (!skipFeedback) {
        if (chosen && a.tipsAndFeedback.chosenFeedback !== undefined && a.tipsAndFeedback.chosenFeedback !== '') {
          insertFeedback($e, a.tipsAndFeedback.chosenFeedback);
        }
        else if (!chosen && a.tipsAndFeedback.notChosenFeedback !== undefined && a.tipsAndFeedback.notChosenFeedback !== '') {
          insertFeedback($e, a.tipsAndFeedback.notChosenFeedback);
        }
      }
    });

    // Determine feedback
    var max = self.getMaxScore();

    // Disable task if maxscore is achieved
    var fullScore = (score === max);

    if (fullScore) {
      self.hideButton('check-answer');
      self.hideButton('try-again');
      self.hideButton('show-solution');
    }

    // Show feedback
    if (!skipFeedback) {
      this.setFeedback(getFeedbackText(score, max), score, max, params.UI.scoreBarLabel);
    }

    self.trigger('resize');
  };

  /**
   * Disables choosing new input.
   */
  var disableInput = function () {
    $('.h5p-answer', $myDom).attr({
      'aria-disabled': 'true',
      'tabindex': '-1'
    });
  };

  /**
   * Enables new input.
   */
  var enableInput = function () {
    $('.h5p-answer', $myDom).attr('aria-disabled', 'false');
  };

  var calcScore = function () {
    score = 0;
    params.userAnswers = [];
    $('.h5p-answer', $myDom).each(function (idx, el) {
      var $el = $(el);
      if ($el.attr('aria-checked') === 'true') {
        var choice = params.answers[idx];
        var weight = (choice.weight !== undefined ? choice.weight : 1);
        if (choice.correct) {
          score += weight;
        }
        else {
          score -= weight;
        }
        var num = parseInt($(el).data('id'));
        params.userAnswers.push(num);
      }
    });
    if (score < 0) {
      score = 0;
    }
    if (!params.userAnswers.length && blankIsCorrect) {
      score = params.weight;
    }
    if (params.behaviour.singlePoint) {
      score = (100 * score / calculateMaxScore()) >= params.behaviour.passPercentage ? params.weight : 0;
    }
  };

  /**
   * Removes selections from task.
   */
  var removeSelections = function () {
    var $answers = $('.h5p-answer', $myDom)
      .removeClass('h5p-selected')
      .attr('aria-checked', 'false');

    if (!params.behaviour.singleAnswer) {
      $answers.attr('tabindex', '0');
    }
    else {
      $answers.first().attr('tabindex', '0');
    }

    // Set focus to first option
    $answers.first().focus();

    calcScore();
  };

  /**
   * Get xAPI data.
   * Contract used by report rendering engine.
   *
   * @see contract at {@link https://h5p.org/documentation/developers/contracts#guides-header-6}
   */
  this.getXAPIData = function(){
    var xAPIEvent = this.createXAPIEventTemplate('answered');
    addQuestionToXAPI(xAPIEvent);
    addResponseToXAPI(xAPIEvent);
    return {
      statement: xAPIEvent.data.statement
    };
  };

  /**
   * Add the question itself to the definition part of an xAPIEvent
   */
  var addQuestionToXAPI = function (xAPIEvent) {
    var definition = xAPIEvent.getVerifiedStatementValue(['object', 'definition']);
    definition.description = {
      // Remove tags, must wrap in div tag because jQuery 1.9 will crash if the string isn't wrapped in a tag.
      'en-US': $('<div>' + params.question + '</div>').text()
    };
    definition.type = 'http://adlnet.gov/expapi/activities/cmi.interaction';
    definition.interactionType = 'choice';
    definition.correctResponsesPattern = [];
    definition.choices = [];
    for (var i = 0; i < params.answers.length; i++) {
      definition.choices[i] = {
        'id': params.answers[i].originalOrder + '',
        'description': {
          // Remove tags, must wrap in div tag because jQuery 1.9 will crash if the string isn't wrapped in a tag.
          'en-US': $('<div>' + params.answers[i].text + '</div>').text()
        }
      };
      if (params.answers[i].correct) {
        if (!params.singleAnswer) {
          if (definition.correctResponsesPattern.length) {
            definition.correctResponsesPattern[0] += '[,]';
            // This looks insane, but it's how you separate multiple answers
            // that must all be chosen to achieve perfect score...
          }
          else {
            definition.correctResponsesPattern.push('');
          }
          definition.correctResponsesPattern[0] += params.answers[i].originalOrder;
        }
        else {
          definition.correctResponsesPattern.push('' + params.answers[i].originalOrder);
        }
      }
    }
  };

  /**
   * Add the response part to an xAPI event
   *
   * @param {H5P.XAPIEvent} xAPIEvent
   *  The xAPI event we will add a response to
   */
  var addResponseToXAPI = function (xAPIEvent) {
    var maxScore = self.getMaxScore();
    var success = (100 * score / maxScore) >= params.behaviour.passPercentage;

    xAPIEvent.setScoredResult(score, maxScore, self, true, success);
    if (params.userAnswers === undefined) {
      calcScore();
    }

    // Add the response
    var response = '';
    for (var i = 0; i < params.userAnswers.length; i++) {
      if (response !== '') {
        response += '[,]';
      }
      response += idMap === undefined ? params.userAnswers[i] : idMap[params.userAnswers[i]];
    }
    xAPIEvent.data.statement.result.response = response;
  };

  /**
   * Create a map pointing from original answers to shuffled answers
   *
   * @return {number[]} map pointing from original answers to shuffled answers
   */
  var getShuffleMap = function() {
    params.answers = H5P.shuffleArray(params.answers);

    // Create a map from the new id to the old one
    var idMap = [];
    for (i = 0; i < params.answers.length; i++) {
      idMap[i] = params.answers[i].originalOrder;
    }
    return idMap;
  };

  // Initialization code
  // Randomize order, if requested
  var idMap;
  // Store original order in answers
  for (i = 0; i < params.answers.length; i++) {
    params.answers[i].originalOrder = i;
  }
  if (params.behaviour.randomAnswers) {
    idMap = getShuffleMap();
  }

  // Start with an empty set of user answers.
  params.userAnswers = [];

  // Restore previous state
  if (contentData && contentData.previousState !== undefined) {

    // Restore answers
    if (contentData.previousState.answers) {
      if (!idMap) {
        params.userAnswers = contentData.previousState.answers;
      }
      else {
        // The answers have been shuffled, and we must use the id mapping.
        for (i = 0; i < contentData.previousState.answers.length; i++) {
          for (var k = 0; k < idMap.length; k++) {
            if (idMap[k] === contentData.previousState.answers[i]) {
              params.userAnswers.push(k);
            }
          }
        }
      }
    }
  }

  var hasCheckedAnswer = false;

  // Loop through choices
  for (var j = 0; j < params.answers.length; j++) {
    var ans = params.answers[j];

    if (!params.behaviour.singleAnswer) {
      // Set role
      ans.role = 'checkbox';
      ans.tabindex = '0';
      if (params.userAnswers.indexOf(j) !== -1) {
        ans.checked = 'true';
        hasCheckedAnswer = true;
      }
    }
    else {
      // Set role
      ans.role = 'radio';

      // Determine tabindex, checked and extra classes
      if (params.userAnswers.length === 0) {
        // No correct answers
        if (i === 0 || i === params.answers.length) {
          ans.tabindex = '0';
        }
      }
      else if (params.userAnswers.indexOf(j) !== -1) {
        // This is the correct choice
        ans.tabindex = '0';
        ans.checked = 'true';
        hasCheckedAnswer = true;
      }
    }

    // Set default
    if (ans.tabindex === undefined) {
      ans.tabindex = '-1';
    }
    if (ans.checked === undefined) {
      ans.checked = 'false';
    }
  }

  H5P.MultiChoice.counter = (H5P.MultiChoice.counter === undefined ? 0 : H5P.MultiChoice.counter + 1);
  params.role = (params.behaviour.singleAnswer ? 'radiogroup' : 'group');
  params.label = 'h5p-mcq' + H5P.MultiChoice.counter;

  /**
   * Pack the current state of the interactivity into a object that can be
   * serialized.
   *
   * @public
   */
  this.getCurrentState = function () {
    var state = {};
    if (!idMap) {
      state.answers = params.userAnswers;
    }
    else {
      // The answers have been shuffled and must be mapped back to their
      // original ID.
      state.answers = [];
      for (var i = 0; i < params.userAnswers.length; i++) {
        state.answers.push(idMap[params.userAnswers[i]]);
      }
    }
    return state;
  };

  /**
   * Check if user has given an answer.
   *
   * @param {boolean} [ignoreCheck] Ignore returning true from pressing "check-answer" button.
   * @return {boolean} True if answer is given
   */
  this.getAnswerGiven = function (ignoreCheck) {
    var answered = ignoreCheck ? false : this.answered;
    return answered || params.userAnswers.length > 0 || blankIsCorrect;
  };

  this.getScore = function () {
    return score;
  };

  this.getTitle = function () {
    return H5P.createTitle((this.contentData && this.contentData.metadata && this.contentData.metadata.title) ? this.contentData.metadata.title : 'Multiple Choice');
  };
};

H5P.MultiChoice.prototype = Object.create(H5P.Question.prototype);
H5P.MultiChoice.prototype.constructor = H5P.MultiChoice;
;
var H5P = H5P || {};
H5P.Summary = H5P.Summary || {};

H5P.Summary.StopWatch = (function () {
  /**
   * @class {H5P.Summary.StopWatch}
   * @constructor
   */
  function StopWatch() {
    /**
     * @property {number} duration in ms
     */
    this.duration = 0;
  }

  /**
   * Starts the stop watch
   *
   * @public
   * @return {H5P.Summary.StopWatch}
   */
  StopWatch.prototype.start = function(){
    /**
     * @property {number}
     */
    this.startTime = Date.now();
    return this;
  };

  /**
   * Stops the stopwatch, and returns the duration in seconds.
   *
   * @public
   * @return {number}
   */
  StopWatch.prototype.stop = function(){
    this.duration = this.duration + Date.now() - this.startTime;
    return this.passedTime();
  };

  /**
   * Sets the duration to 0
   *
   * @public
   */
  StopWatch.prototype.reset = function(){
    this.duration = 0;
  };

  /**
   * Returns the passed time in seconds
   *
   * @public
   * @return {number}
   */
  StopWatch.prototype.passedTime = function(){
    return Math.round(this.duration / 10) / 100;
  };

  return StopWatch;
})();
;
var H5P = H5P || {};
H5P.Summary = H5P.Summary || {};

H5P.Summary.XApiEventBuilder = (function ($, EventDispatcher) {
  /**
   * @typedef {object} LocalizedString
   * @property {string} en-US
   */

  /**
   * @class {H5P.Summary.XApiEventDefinitionBuilder}
   * @constructor
   */
  function XApiEventDefinitionBuilder(){
    EventDispatcher.call(this);
    /**
     * @property {object} attributes
     * @property {string} attributes.name
     * @property {string} attributes.description
     * @property {string} attributes.interactionType
     * @property {string} attributes.correctResponsesPattern
     * @property {object} attributes.optional
     */
    this.attributes = {};
  }

  XApiEventDefinitionBuilder.prototype = Object.create(EventDispatcher.prototype);
  XApiEventDefinitionBuilder.prototype.constructor = XApiEventDefinitionBuilder;


  /**
   * Sets name
   * @param {string} name
   * @return {XApiEventDefinitionBuilder}
   */
  XApiEventDefinitionBuilder.prototype.name = function (name) {
    this.attributes.name = name;
    return this;
  };

  /**
   * Question text and any additional information to generate the report.
   * @param {string} description
   * @return {XApiEventDefinitionBuilder}
   */
  XApiEventDefinitionBuilder.prototype.description = function (description) {
    this.attributes.description = description;
    return this;
  };

  /**
   * Type of the interaction.
   * @param {string} interactionType
   * @see {@link https://github.com/adlnet/xAPI-Spec/blob/master/xAPI-Data.md#interaction-types|xAPI Spec}
   * @return {XApiEventDefinitionBuilder}
   */
  XApiEventDefinitionBuilder.prototype.interactionType = function (interactionType) {
    this.attributes.interactionType = interactionType;
    return this;
  };

  /**
   * A pattern for determining the correct answers of the interaction
   * @param {string[]} correctResponsesPattern
   * @see {@link https://github.com/adlnet/xAPI-Spec/blob/master/xAPI-Data.md#response-patterns|xAPI Spec}
   * @return {XApiEventDefinitionBuilder}
   */
  XApiEventDefinitionBuilder.prototype.correctResponsesPattern = function (correctResponsesPattern) {
    this.attributes.correctResponsesPattern = correctResponsesPattern;
    return this;
  };

  /**
   * Sets optional attributes
   * @param {object} optional Can have one of the following configuration objects: choices, scale, source, target, steps
   * @return {XApiEventDefinitionBuilder}
   */
  XApiEventDefinitionBuilder.prototype.optional = function (optional) {
    this.attributes.optional = optional;
    return this;
  };

  /**
   * @return {object}
   */
  XApiEventDefinitionBuilder.prototype.build = function () {
    var definition = {};

    // sets attributes
    setAttribute(definition, 'name', localizeToEnUS(this.attributes.name));
    setAttribute(definition, 'description', localizeToEnUS(this.attributes.description));
    setAttribute(definition, 'interactionType', this.attributes.interactionType);
    setAttribute(definition, 'correctResponsesPattern', this.attributes.correctResponsesPattern);
    setAttribute(definition, 'type', 'http://adlnet.gov/expapi/activities/cmi.interaction');

    // adds the optional object to the definition
    if(this.attributes.optional){
      $.extend(definition, this.attributes.optional);
    }

    return definition;
  };

  // -----------------------------------------------------

  /**
   *
   * @constructor
   */
  function XApiEventResultBuilder(){
    EventDispatcher.call(this);
    /**
     * @property {object} attributes
     * @property {string} attributes.completion
     * @property {boolean} attributes.success
     * @property {boolean} attributes.response
     * @property {number} attributes.rawScore
     * @property {number} attributes.maxScore
     */
    this.attributes = {};
  }

  XApiEventResultBuilder.prototype = Object.create(EventDispatcher.prototype);
  XApiEventResultBuilder.prototype.constructor = XApiEventResultBuilder;

  /**
   * @param {boolean} completion
   * @return {XApiEventResultBuilder}
   */
  XApiEventResultBuilder.prototype.completion = function (completion) {
    this.attributes.completion = completion;
    return this;
  };

  /**
   * @param {boolean} success
   * @return {XApiEventResultBuilder}
   */
  XApiEventResultBuilder.prototype.success = function (success) {
    this.attributes.success = success;
    return this;
  };

  /**
   * @param {number} duration The duraction in seconds
   * @return {XApiEventResultBuilder}
   */
  XApiEventResultBuilder.prototype.duration = function (duration) {
    this.attributes.duration = duration;
    return this;
  };

  /**
   * Sets response
   * @param {string|string[]} response
   * @return {XApiEventResultBuilder}
   */
  XApiEventResultBuilder.prototype.response = function (response) {
    this.attributes.response = (typeof response === 'string') ? response : response.join('[,]');
    return this;
  };

  /**
   * Sets the score, and max score
   * @param {number} score
   * @param {number} maxScore
   * @return {XApiEventResultBuilder}
   */
  XApiEventResultBuilder.prototype.score = function (score, maxScore) {
    this.attributes.rawScore = score;
    this.attributes.maxScore = maxScore;
    return this;
  };

  /**
   * Builds the result object
   * @return {object}
   */
  XApiEventResultBuilder.prototype.build = function () {
    var result = {};

    setAttribute(result, 'response', this.attributes.response);
    setAttribute(result, 'completion', this.attributes.completion);
    setAttribute(result, 'success', this.attributes.success);

    if(isDefined(this.attributes.duration)){
      setAttribute(result, 'duration','PT' +  this.attributes.duration + 'S');
    }

    // sets score
    if (isDefined(this.attributes.rawScore)) {
      result.score = {};
      setAttribute(result.score, 'raw', this.attributes.rawScore);

      if (isDefined(this.attributes.maxScore) && this.attributes.maxScore > 0) {
        setAttribute(result.score, 'min', 0);
        setAttribute(result.score, 'max', this.attributes.maxScore);
        setAttribute(result.score, 'min', 0);
        setAttribute(result.score, 'scaled', Math.round(this.attributes.rawScore / this.attributes.maxScore * 10000) / 10000);
      }
    }

    return result;
  };

  // -----------------------------------------------------

  /**
   * @class {H5P.Summary.XApiEventBuilder}
   */
  function XApiEventBuilder() {
    EventDispatcher.call(this);
    /**
     * @property {object} attributes
     * @property {string} attributes.contentId
     * @property {string} attributes.subContentId
     */
    this.attributes = {};
  }

  XApiEventBuilder.prototype = Object.create(EventDispatcher.prototype);
  XApiEventBuilder.prototype.constructor = XApiEventBuilder;


  /**
   * @param {object} verb
   *
   * @public
   * @return {H5P.Summary.XApiEventBuilder}
   */
  XApiEventBuilder.prototype.verb = function (verb) {
    this.attributes.verb = verb;
    return this;
  };

  /**
   * @param {string} name
   * @param {string} mbox
   * @param {string} objectType
   *
   * @public
   * @return {H5P.Summary.XApiEventBuilder}
   */
  XApiEventBuilder.prototype.actor = function (name, mbox, objectType) {
    this.attributes.actor = {
      name: name,
      mbox: mbox,
      objectType: objectType
    };

    return this;
  };

  /**
   * Sets contentId
   * @param {string} contentId
   * @param {string} [subContentId]
   * @return {H5P.Summary.XApiEventBuilder}
   */
  XApiEventBuilder.prototype.contentId = function (contentId, subContentId) {
    this.attributes.contentId = contentId;
    this.attributes.subContentId = subContentId;
    return this;
  };

  /**
   * Sets parent in context
   * @param {string} parentContentId
   * @param {string} [parentSubContentId]
   * @return {H5P.Summary.XApiEventBuilder}
   */
  XApiEventBuilder.prototype.context = function (parentContentId, parentSubContentId) {
    this.attributes.parentContentId = parentContentId;
    this.attributes.parentSubContentId = parentSubContentId;
    return this;
  };

  /**
   * @param {object} result
   *
   * @public
   * @return {H5P.Summary.XApiEventBuilder}
   */
  XApiEventBuilder.prototype.result = function (result) {
    this.attributes.result = result;
    return this;
  };

  /**
   * @param {object} objectDefinition
   *
   * @public
   * @return {H5P.Summary.XApiEventBuilder}
   */
  XApiEventBuilder.prototype.objectDefinition = function (objectDefinition) {
    this.attributes.objectDefinition = objectDefinition;
    return this;
  };

  /**
   * Returns the buildt event
   * @public
   * @return {H5P.XAPIEvent}
   */
  XApiEventBuilder.prototype.build = function(){
    var event = new H5P.XAPIEvent();

    event.setActor();
    event.setVerb(this.attributes.verb);

    // sets context
    if(this.attributes.parentContentId || this.attributes.parentSubContentId){
      event.data.statement.context = {
        'contextActivities': {
          'parent': [
            {
              'id': getContentXAPIId(this.attributes.parentContentId, this.attributes.parentSubContentId),
              'objectType': "Activity"
            }
          ]
        }
      };
    }

    event.data.statement.object = {
      'id': getContentXAPIId(this.attributes.contentId, this.attributes.subContentId),
      'objectType': 'Activity'
    };

    setAttribute(event.data, 'actor', this.attributes.actor);
    setAttribute(event.data.statement, 'result', this.attributes.result);
    setAttribute(event.data.statement.object, 'definition', this.attributes.objectDefinition);

    // sets h5p specific attributes
    if(event.data.statement.object.definition && (this.attributes.contentId || this.attributes.subContentId)) {
      var extensions = event.data.statement.object.definition.extensions = {};
      setAttribute(extensions, 'http://h5p.org/x-api/h5p-local-content-id', this.attributes.contentId);
      setAttribute(extensions, 'http://h5p.org/x-api/h5p-subContentId', this.attributes.subContentId);
    }

    return event;
  };

  /**
   * Creates a Localized String object for en-US
   *
   * @param str
   * @return {LocalizedString}
   */
  var localizeToEnUS = function(str){
    if(str != undefined){
      return {
        'en-US': cleanString(str)
      };
    }
  };

  /**
   * Generates an id for the content
   * @param {string} contentId
   * @param {string} [subContentId]
   *
   * @see {@link https://github.com/h5p/h5p-php-library/blob/master/js/h5p-x-api-event.js#L240-L249}
   * @return {string}
   */
  var getContentXAPIId = function (contentId, subContentId) {
    const cid = 'cid-' + contentId;
    if (contentId && H5PIntegration && H5PIntegration.contents && H5PIntegration.contents[cid]) {
      var id = H5PIntegration.contents[cid].url;

      if (subContentId) {
        id += '?subContentId=' +  subContentId;
      }

      return id;
    }
  };

  /**
   * Removes html elements from string
   *
   * @param {string} str
   * @return {string}
   */
  var cleanString = function (str) {
    return $('<div>' + str + '</div>').text().trim();
  };

  var isDefined = function(val){
    return typeof val !== 'undefined';
  };

  function setAttribute(obj, key, value, required){
    if(isDefined(value)){
      obj[key] = value;
    } else if (required) {
      console.error("xApiEventBuilder: No value for [" + key + "] in", obj);
    }
  }

  /**
   * Creates a new XApiEventBuilder
   *
   * @public
   * @static
   * @return {H5P.Summary.XApiEventBuilder}
   */
  XApiEventBuilder.create = function(){
    return new XApiEventBuilder();
  };

  /**
   * Creates a new XApiEventDefinitionBuilder
   *
   * @public
   * @static
   * @return {XApiEventDefinitionBuilder}
   */
  XApiEventBuilder.createDefinition = function(){
    return new XApiEventDefinitionBuilder();
  };

  /**
   * Creates a new XApiEventDefinitionBuilder
   *
   * @public
   * @static
   * @return {XApiEventResultBuilder}
   */
  XApiEventBuilder.createResult = function(){
    return new XApiEventResultBuilder();
  };

  /**
   * Returns choice to be used with 'cmi.interaction' for Activity of type 'choice'
   *
   * @param {string} id
   * @param {string} description
   *
   * @public
   * @static
   * @see {@link https://github.com/adlnet/xAPI-Spec/blob/master/xAPI-Data.md#choice|xAPI-Spec}
   * @return {object}
   */
  XApiEventBuilder.createChoice = function(id, description){
    return {
      id: id,
      description: localizeToEnUS(description)
    };
  };

  /**
   * Takes an array of correct ids, and joins them to a 'correct response pattern'
   *
   * @param {string[]} ids
   *
   * @public
   * @static
   * @see {@link https://github.com/adlnet/xAPI-Spec/blob/master/xAPI-Data.md#choice|xAPI-Spec}
   * @return {string}
   */
  XApiEventBuilder.createCorrectResponsePattern = function(ids){
    return ids.join('[,]');
  };

  /**
   * Interaction types
   *
   * @readonly
   * @enum {String}
   */
  XApiEventBuilder.interactionTypes = {
    CHOICE: 'choice',
    COMPOUND: 'compound',
    FILL_IN: 'fill-in',
    MATCHING: 'matching',
    TRUE_FALSE: 'true-false'
  };

  /**
   * Verbs
   *
   * @readonly
   * @enum {String}
   */
  XApiEventBuilder.verbs = {
    ANSWERED: 'answered'
  };

  return XApiEventBuilder;
})(H5P.jQuery, H5P.EventDispatcher);
;
H5P.Summary = (function ($, Question, XApiEventBuilder, StopWatch) {

  var summaryId = 0;

  function Summary(options, contentId, contentData) {
    if (!(this instanceof H5P.Summary)) {
      return new H5P.Summary(options, contentId);
    }

    this.id = this.contentId = contentId;
    this.contentData = contentData;
    this.summaryId = summaryId;
    Question.call(this, 'summary');
    this.offset = 0;
    this.score = 0;
    this.progress = 0;
    this.answers = [];
    this.answer = [];
    this.errorCounts = [];

    summaryId += 1;

    /**
     * The key is panel index, returns an array of the answer indexes the user tried.
     *
     * @property {number[][]}
     */
    this.userResponses = [];

    /**
     * The first key is panel index, and the second key is data-bit, value is index in panel
     *
     * @property {number[][]}
     */
    this.dataBitMap = [];

    // Remove empty summary to avoid JS-errors
    if (options.summaries) {
      options.summaries = options.summaries.filter(function (element) {
        return element.summary !== undefined;
      });
    }

    if (contentData && contentData.previousState !== undefined &&
        contentData.previousState.progress !== undefined &&
        contentData.previousState.answers) {
      this.progress = contentData.previousState.progress || this.progress;
      this.answers = contentData.previousState.answers || this.answers;

      var currentProgress = this.progress;

      // Do not count score screen as an error
      if (this.progress >= options.summaries.length) {
        currentProgress = options.summaries.length - 1;
      }

      for (var i = 0; i <= currentProgress; i++) {
        if (this.errorCounts[i] === undefined) {
          this.errorCounts[i] = 0;
        }
        if (this.answers[i]) {
          this.score += this.answers[i].length;
          this.errorCounts[i]++;
        }
      }
    }
    var that = this;

    /**
     * @property {StopWatch[]} Stop watches for tracking duration of slides
     */
    this.stopWatches = [];
    this.startStopWatch(this.progress);

    this.options = H5P.jQuery.extend({}, {
      overallFeedback: [],
      resultLabel: "Your result:",
      intro: "Choose the correct statement.",
      solvedLabel: "Solved:",
      scoreLabel: "Wrong answers:",
      labelCorrect: "Correct.",
      labelIncorrect: 'Incorrect! Please try again.',
      labelCorrectAnswers: "List of correct answers.",
      alternativeIncorrectLabel: 'Incorrect',
      postUserStatistics: (H5P.postUserStatistics === true),
      tipButtonLabel: 'Show tip',
      scoreBarLabel: 'You got :num out of :total points',
      progressText: 'Progress :num of :total'
    }, options);

    this.summaries = that.options.summaries;

    // Prevent the score bar from interrupting the progress counter
    this.setBehaviour({disableReadSpeaker: true});

    // Required questiontype contract function
    this.showSolutions = function() {
      // intentionally left blank, no solution view exists
    };

    // Required questiontype contract function
    this.getMaxScore = function() {
      return this.summaries ? this.summaries.length : 0;
    };

    this.getScore = function() {
      var self = this;

      // count single correct answers
      return self.summaries ? self.summaries.reduce(function(result, panel, index){
        var userResponse = self.userResponses[index] || [];

        return result + (self.correctOnFirstTry(userResponse) ? 1 : 0);
      }, 0) : 0;
    };

    this.getTitle = function() {
      return H5P.createTitle((this.contentData && this.contentData.metadata && this.contentData.metadata.title) ? this.contentData.metadata.title: 'Summary');
    };

    this.getCurrentState = function () {
      return {
        progress: this.progress,
        answers: this.answers
      };
    };
  }

  Summary.prototype = Object.create(Question.prototype);
  Summary.prototype.constructor = Summary;

  /**
   * Registers DOM elements before they are attached.
   * Called from H5P.Question.
   */
  Summary.prototype.registerDomElements = function () {
    // Register task content area
    this.setContent(this.createQuestion());
  };

  // Function for attaching the multichoice to a DOM element.
  Summary.prototype.createQuestion = function() {
    var that = this;
    var id = 0; // element counter
    // variable to capture currently focused option.
    var currentFocusedOption;
    var elements = [];
    var $ = H5P.jQuery;
    this.$myDom = $('<div>', {
      'class': 'summary-content'
    });

    this.$answerAnnouncer = $('<div>', {
      'class': 'hidden-but-read',
      'aria-live': 'assertive',
      appendTo: this.$myDom,
    });

    if (that.summaries === undefined || that.summaries.length === 0) {
      return;
    }

    // Create array objects
    for (var panelIndex = 0; panelIndex < that.summaries.length; panelIndex++) {
      if (!(that.summaries[panelIndex].summary && that.summaries[panelIndex].summary.length)) {
        continue;
      }

      elements[panelIndex] = {
        tip: that.summaries[panelIndex].tip,
        summaries: []
      };

      for (var summaryIndex = 0; summaryIndex < that.summaries[panelIndex].summary.length; summaryIndex++) {
        var isAnswer = (summaryIndex === 0);
        that.answer[id] = isAnswer; // First claim is correct

        // create mapping from data-bit to index in panel
        that.dataBitMap[panelIndex] = this.dataBitMap[panelIndex] || [];
        that.dataBitMap[panelIndex][id] = summaryIndex;

        // checks the answer and updates the user response array
        if(that.answers[panelIndex] && (that.answers[panelIndex].indexOf(id) !== -1)){
          this.storeUserResponse(panelIndex, summaryIndex);
        }

        // adds to elements
        elements[panelIndex].summaries[summaryIndex] = {
          id: id++,
          text: that.summaries[panelIndex].summary[summaryIndex]
        };
      }

      // if we have progressed passed this point, the success pattern must also be saved
      if(panelIndex < that.progress){
        this.storeUserResponse(panelIndex, 0);
      }

      // Randomize elements
      for (var k = elements[panelIndex].summaries.length - 1; k > 0; k--) {
        var j = Math.floor(Math.random() * (k + 1));
        var temp = elements[panelIndex].summaries[k];
        elements[panelIndex].summaries[k] = elements[panelIndex].summaries[j];
        elements[panelIndex].summaries[j] = temp;
      }
    }

    // Create content panels
    var $summary_container = $('<div class="summary-container"></div>');
    var $summary_list = $('<ul role="list" aria-labelledby="answerListHeading-'+that.summaryId+'"></ul>');
    var $evaluation = $('<div class="summary-evaluation"></div>');
    var $evaluation_content = $('<div id="questionDesc-'+that.summaryId+'" class="summary-evaluation-content">' + that.options.intro + '</div>');
    var $score = $('<div class="summary-score"></div>');
    var $options = $('<div class="summary-options"></div>');
    var $progress = $('<div class="summary-progress" aria-live="polite"></div>');
    var $progressNumeric = $('<div class="summary-progress-numeric" aria-hidden="true"></div>');
    var options_padding = parseInt($options.css('paddingLeft'));
    // content div added for readspeaker that indicates list of correct answers.
    var $answersListHeading = $('<div id="answerListHeading-'+that.summaryId+'" class="h5p-hidden-read">' + that.options.labelCorrectAnswers + '</div>');

    if (this.score) {
      $score.html(that.options.scoreLabel + ' ' + this.score).show();
    }

    // Insert content
    // aria-hidden = true added for readspeaker to avoid reading empty answers list.
    $summary_container.attr("aria-hidden", "true");
    $summary_container.html($answersListHeading);
    $summary_container.append($summary_list);
    this.$myDom.append($summary_container);
    this.$myDom.append($evaluation);
    this.$myDom.append($options);
    $evaluation.append($evaluation_content);
    $evaluation.append($evaluation);
    $evaluation.append($progress);
    $evaluation.append($progressNumeric);
    $evaluation.append($score);

    /**
     * Handle selected alternative
     *
     * @param {jQuery} $el Selected element
     * @param {boolean} [setFocus] Set focus on first element of next panel.
     *  Used when alt was selected with keyboard.
     */
    var selectedAlt = function ($el, setFocus) {
      var nodeId = Number($el.attr('data-bit'));
      var panelId = Number($el.parent().data('panel'));
      var isRadioClicked = $el.attr('aria-checked');
      if(isRadioClicked == 'true') return;

      if (that.errorCounts[panelId] === undefined) {
        that.errorCounts[panelId] = 0;
      }

      that.storeUserResponse(panelId, nodeId);

      // Correct answer?
      if (that.answer[nodeId]) {
        that.announceAnswer(true);
        that.stopStopWatch(panelId);

        that.progress++;
        var position = $el.position();
        var summary = $summary_list.position();
        var $answer = $('<li role="listitem">' + $el.html() + '</li>');

        $progressNumeric.html(that.options.solvedLabel + ' '  + (panelId + 1) + '/' + that.summaries.length);

        var interpolatedProgressText = that.options.progressText
          .replace(':num', panelId + 1)
          .replace(':total', that.summaries.length);
        $progress.html(interpolatedProgressText);

        $el.attr("aria-checked", "true");

        // Insert correct claim into summary list
        $summary_list.append($answer);
        $summary_container.addClass('has-results');
        // change aria-hidden property as when correct answer is added inside list at top
        $summary_container.attr("aria-hidden", "false");
        that.adjustTargetHeight($summary_container, $summary_list, $answer);


        // Move into position over clicked element
        $answer.css({display: 'block', width: $el.css('width'), height: $el.css('height')});
        $answer.css({position: 'absolute', top: position.top, left: position.left});
        $answer.css({backgroundColor: '#9dd8bb', border: ''});
        setTimeout(function () {
          $answer.css({backgroundColor: ''});
        }, 1);
        //$answer.animate({backgroundColor: '#eee'}, 'slow');

        var panel = parseInt($el.parent().attr('data-panel'));
        var $curr_panel = $('.h5p-panel:eq(' + panel + ')', that.$myDom);
        var $next_panel = $('.h5p-panel:eq(' + (panel + 1) + ')', that.$myDom);
        var finished = ($next_panel.length === 0);
        // Disable panel while waiting for animation
        $curr_panel.addClass('panel-disabled');

        // Update tip:
        $evaluation_content.find('.joubel-tip-container').remove();
        if (elements[that.progress] !== undefined &&
          elements[that.progress].tip !== undefined &&
          elements[that.progress].tip.trim().length > 0) {
          $evaluation_content.append(H5P.JoubelUI.createTip(elements[that.progress].tip, {
            tipLabel: that.options.tipButtonLabel
          }));
        }

        $answer.animate(
          {
            top: summary.top + that.offset,
            left: '-=' + options_padding + 'px',
            width: '+=' + (options_padding * 2) + 'px'
          },
          {
            complete: function() {
              // Remove position (becomes inline);
              $(this).css('position', '').css({
                width: '',
                height: '',
                top: '',
                left: ''
              });
              $summary_container.css('height', '');

              // Calculate offset for next summary item
              var tpadding = parseInt($answer.css('paddingTop')) * 2;
              var tmargin = parseInt($answer.css('marginBottom'));
              var theight = parseInt($answer.css('height'));
              that.offset += theight + tpadding + tmargin + 1;

              // Fade out current panel
              $curr_panel.fadeOut('fast', function () {
                $curr_panel.parent().css('height', 'auto');
                // Show next panel if present
                if (!finished) {
                  // start next timer
                  that.startStopWatch(that.progress);

                  $next_panel.fadeIn('fast');

                  // Focus first element of next panel
                  if (setFocus) {
                    $next_panel.children().get(0).focus();
                  }
                } else {
                  // Hide intermediate evaluation
                  $evaluation_content.html(that.options.resultLabel);

                  that.doFinalEvaluation();
                }
                that.trigger('resize');
              });
            }
          }
        );
      }
      else {
        that.announceAnswer(false);
        // Remove event handler (prevent repeated clicks) and mouseover effect
        $el.off('click');
        $el.addClass('summary-failed');
        const label = that.options.alternativeIncorrectLabel + '. '
          + $el.text();
        $el.attr('aria-label', label);
        $el.removeClass('summary-claim-unclicked');
        $el.attr("aria-checked", "true");
        $evaluation.children('.summary-score').css('display', 'block');
        $score.html(that.options.scoreLabel + ' ' + (++that.score));
        that.errorCounts[panelId]++;
        if (that.answers[panelId] === undefined) {
          that.answers[panelId] = [];
        }
        that.answers[panelId].push(nodeId);
      }

      that.trigger('resize');
      that.triggerXAPI('interacted');

      // Trigger answered xAPI event on first try for the current
      // statement group
      if (that.userResponses[panelId].length === 1) {
        that.trigger(that.createXApiAnsweredEvent(
          that.summaries[panelId],
          that.userResponses[panelId] || [],
          panelId,
          that.timePassedInStopWatch(panelId)));
      }

      // Trigger overall answered xAPI event when finished
      if (finished) {
        that.triggerXAPIScored(that.getScore(), that.getMaxScore(), 'answered');
      }
    };

    // Initialize the visible and invisible progress counters
    $progressNumeric.html(that.options.solvedLabel + ' ' + this.progress + '/' + that.summaries.length);
    var interpolatedProgressText = that.options.progressText
      .replace(':num', that.progress)
      .replace(':total', that.summaries.length);
    $progress.html(interpolatedProgressText);

    // Add elements to content
    for (var i = 0; i < elements.length; i++) {
      var element = elements[i];

      if (i < that.progress) { // i is panelId
        for (var j = 0; j < element.summaries.length; j++) {
          var sum = element.summaries[j];
          if (that.answer[sum.id]) {
            $summary_list.append('<li style="display:block">' + sum.text + '</li>');
            $summary_container.addClass('has-results');
            break;
          }
        }
        // Cannot use continue; due to id/animation system
      }

      // added aria-labelledby property for readspeaker to read, when first option receive focus
      var $page = $('<ul aria-labelledby="questionDesc-'+that.summaryId+'" role="radiogroup" class="h5p-panel" data-panel="' + i + '"></ul>');


      // Create initial tip for first summary-list if tip is available
      if (i==0 && element.tip !== undefined && element.tip.trim().length > 0) {
        $evaluation_content.append(H5P.JoubelUI.createTip(element.tip, {
          tipLabel: that.options.tipButtonLabel
        }));
      }

      for (var j = 0; j < element.summaries.length; j++) {
        var summaryLineClass = 'summary-claim-unclicked';

        // If progress is at current task
        if (that.progress === i && that.answers[that.progress]) {
          // Check if there are any previous wrong answers.
          for (var k = 0; k < that.answers[that.progress].length; k++) {
            if (that.answers[that.progress][k] === element.summaries[j].id) {
              summaryLineClass = 'summary-failed';
              break;
            }
          }
        }

        var $node = $('' +
          '<li role="radio" aria-checked="false" data-name="'+j+'" data-bit="' + element.summaries[j].id + '" class="' + summaryLineClass + '">' +
            element.summaries[j].text +
          '</li>');
        // added tabindex = 0 for the first option to avoid accessing rest of the options via TAB
        (j == 0) ? $node.attr("tabindex", "0") : $node.attr("tabindex", "-1");

        $node.on('focus', function() {
          var ind = $(this).attr('data-name');
          setFocusIndex(ind);
        });

        // function captures the index of currently focused option
        var setFocusIndex = function(idx) {
          currentFocusedOption = idx;
        };

        // Do not add click event for failed nodes
        if (summaryLineClass === 'summary-failed') {
          $page.append($node);
          continue;
        }

        $node.click(function() {
          selectedAlt($(this));
        }).keydown(function (e) {
          switch (e.which) {
            case 13: // Enter
            case 32: // Space
              selectedAlt($(this), true);
              e.preventDefault();
              break;

            case 37: // Left Arrow
            case 38: // Up Arrow
              // Go to previous Option
              that.gotoPreviousOption(that, currentFocusedOption);
              e.preventDefault();
              break;

            case 39: // Right Arrow
            case 40: // Down Arrow
              // Go to next Option
              that.gotoNextOption(that, currentFocusedOption);
              e.preventDefault();
              break;
          }
        });

        $page.append($node);
      }

      $options.append($page);
    }

    if (that.progress === elements.length) {
      $evaluation_content.html(that.options.resultLabel);
      that.doFinalEvaluation();
    }
    else {
      // Show first panel
      $('.h5p-panel:eq(' + (that.progress) + ')', that.$myDom).css({display: 'block'});
      if (that.progress) {
        that.offset = ($('.summary-claim-unclicked:visible:first', that.$myDom).outerHeight() * that.errorCounts.length);
      }
    }

    that.trigger('resize');

    return this.$myDom;
  };

  /**
   * Announce if answered alternative was correct or wrong
   * @param isCorrect
   */
  Summary.prototype.announceAnswer = function (isCorrect) {
    const announcement = isCorrect
      ? this.options.labelCorrect
      : this.options.labelIncorrect;
    this.$answerAnnouncer.html(announcement);

    // Remove text so it can't be navigated to and read at a later point
    setTimeout(function () {
      this.$answerAnnouncer.html('');
    }.bind(this), 100);
  };

  /**
   * Returns true if answers have been given
   *
   * @return {boolean}
   */
  Summary.prototype.getAnswerGiven = function () {
    return this.errorCounts.length > 0;
  };

  /**
   * Handles moving the focus from the current option to the previous option and changes tabindex accorindgly
   *
   */
  Summary.prototype.gotoPreviousOption = function (that, currentFocusedOption) {
    this.currentFocusedOption = currentFocusedOption;
    var totOptions = that.summaries[that.progress].summary.length;
    var prevRadioEle = $("ul[data-panel="+that.progress+"] li[role='radio']", this.$myDom);

    //prevRadioEle.removeAttr("tabindex");
    prevRadioEle.attr("tabindex", "-1");
    this.currentFocusedOption--;

    if(this.currentFocusedOption < 0) {
        var num = totOptions - 1;
        prevRadioEle.eq(num).attr("tabindex", "0");
        prevRadioEle.eq(num).focus();
      }
      else {
        prevRadioEle.eq(this.currentFocusedOption).attr("tabindex", "0");
        prevRadioEle.eq(this.currentFocusedOption).focus();
      }
    };

  /**
   * Handles moving the focus from the current option to the next option and changes tabindex accorindgly
   *
   */
  Summary.prototype.gotoNextOption = function (that, currentFocusedOption) {
    this.currentFocusedOption = currentFocusedOption;
    var totOptions = that.summaries[that.progress].summary.length;
    var nextRadioEle = $("ul[data-panel="+that.progress+"] li[role='radio']", this.$myDom);

    //nextRadioEle.removeAttr("tabindex");
    nextRadioEle.attr("tabindex", "-1");
    this.currentFocusedOption++;

    if(this.currentFocusedOption == totOptions) {
      nextRadioEle.eq(0).attr("tabindex", "0");
      nextRadioEle.eq(0).focus();
    }
    else {
      nextRadioEle.eq(this.currentFocusedOption).attr("tabindex", "0");
      nextRadioEle.eq(this.currentFocusedOption).focus();
    }
  };

  /**
   * Calculate final score and display feedback.
   *
   * @param container
   * @param options_panel
   * @param list
   * @param score
   */
  Summary.prototype.doFinalEvaluation = function () {
    var that = this;
    var errorCount = this.countErrors();
    var maxScore = that.summaries.length;
    var score = maxScore - errorCount;

    // Calculate percentage
    var percent = 100 - (errorCount / that.errorCounts.length * 100);

    // Show final evaluation
    var summary = H5P.Question.determineOverallFeedback(that.options.overallFeedback, percent / 100)
      .replace('@score', score)
      .replace('@total', maxScore)
      .replace('@percent', Math.round(percent));

    $(".summary-evaluation-content", this.$myDom).removeAttr("tabindex");

    var scoreBarLabel = that.options.scoreBarLabel.replace(':num', score).replace(':total', maxScore);

    this.setFeedback(summary, score, maxScore, scoreBarLabel);

    // Only read out the score after the progress is read
    setTimeout(function() {
      that.setBehaviour({disableReadSpeaker: false});
      that.readFeedback();
      that.read(scoreBarLabel);
    }, 3000);

    that.trigger('resize');
  };

  /**
   * Resets the complete task back to its' initial state.
   * Used for contracts.
   */
  Summary.prototype.resetTask = function () {
    this.offset = 0;
    this.score = 0;
    this.progress = 0;
    this.answers = [];
    this.answer = [];
    this.errorCounts = [];
    this.userResponses = [];
    this.dataBitMap = [];

    const contentWrapper = this.$myDom[0].parentNode;
    contentWrapper.innerHTML = '';
    this.createQuestion();
    contentWrapper.appendChild(this.$myDom[0]);
    this.removeFeedback();
  };

  /**
   * Adjust height of container.
   *
   * @param container
   * @param elements
   * @param el
   */
  Summary.prototype.adjustTargetHeight = function (container, elements, el) {
    var new_height = parseInt(elements.outerHeight()) + parseInt(el.outerHeight()) + parseInt(el.css('marginBottom')) + parseInt(el.css('marginTop'));
    if (new_height > parseInt(container.css('height'))) {
      container.animate({height: new_height});
    }
  };

  /**
   * Count amount of wrong answers
   *
   * @returns {number}
   */
  Summary.prototype.countErrors = function() {
    var error_count = 0;

    // Count boards without errors
    for (var i = 0; i < this.summaries.length; i++) {
      if (this.errorCounts[i] === undefined) {
        error_count++;
      }
      else {
        error_count += this.errorCounts[i] ? 1 : 0;
      }
    }

    return error_count;
  };

  /**
   * Returns the choices array for xApi statements
   *
   * @param {String[]} answers
   *
   * @return {{ choices: []}}
   */
  Summary.prototype.getXApiChoices = function (answers) {
    var choices = answers.map(function(answer, index){
      return XApiEventBuilder.createChoice(index.toString(), answer);
    });

    return {
      choices: choices
    };
  };

  /**
   * Saves the user response
   *
   * @param {number} questionIndex
   * @param {number} answerIndex
   */
  Summary.prototype.storeUserResponse = function (questionIndex, answerIndex) {
    var self = this;
    if(self.userResponses[questionIndex] === undefined){
      self.userResponses[questionIndex] = [];
    }

    self.userResponses[questionIndex].push(this.dataBitMap[questionIndex][answerIndex]);
  };

  /**
   * Starts a stopwatch for indexed slide
   *
   * @param {number} index
   */
  Summary.prototype.startStopWatch = function (index) {
    this.stopWatches[index] = this.stopWatches[index] || new StopWatch();
    this.stopWatches[index].start();
  };

  /**
   * Stops a stopwatch for indexed slide
   *
   * @param {number} [index]
   */
  Summary.prototype.stopStopWatch = function (index) {
    if(this.stopWatches[index]){
      this.stopWatches[index].stop();
    }
  };

  /**
   * Returns the passed time in seconds of a stopwatch on an indexed slide,
   * or 0 if not existing
   *
   * @param {number} index
   * @return {number}
   */
  Summary.prototype.timePassedInStopWatch = function (index) {
    if(this.stopWatches[index] !== undefined){
      return this.stopWatches[index].passedTime();
    }
    else {
      // if not created, return no passed time,
      return 0;
    }
  };

  /**
   * Returns the time the user has spent on all questions so far
   *
   * @return {number}
   */
  Summary.prototype.getTotalPassedTime = function () {
    return this.stopWatches
      .filter(function(watch){
        return watch !== undefined;
      })
      .reduce(function(sum, watch){
        return sum + watch.passedTime();
      }, 0);
  };

  /**
   * Creates an xAPI answered event for a single statement list
   *
   * @param {object} panel
   * @param {number[]} userAnswer
   * @param {number} panelIndex
   * @param {number} duration
   *
   * @return {H5P.XAPIEvent}
   */
  Summary.prototype.createXApiAnsweredEvent = function (panel, userAnswer, panelIndex, duration) {
    var self = this;

    // creates the definition object
    var definition = XApiEventBuilder.createDefinition()
      .name('Summary statement')
      .description(self.options.intro)
      .interactionType(XApiEventBuilder.interactionTypes.CHOICE)
      .correctResponsesPattern(['0'])
      .optional(self.getXApiChoices(panel.summary))
      .build();

    // create the result object
    var result = XApiEventBuilder.createResult()
      .response(userAnswer.join('[,]'))
      .duration(duration)
      .score((self.correctOnFirstTry(userAnswer) ? 1 : 0), 1)
      .build();

    return XApiEventBuilder.create()
      .verb(XApiEventBuilder.verbs.ANSWERED)
      .objectDefinition(definition)
      .context(self.contentId, self.subContentId)
      .contentId(self.contentId, panel.subContentId)
      .result(result)
      .build();
  };

  Summary.prototype.correctOnFirstTry = function(userAnswer){
    return (userAnswer.length === 1) && userAnswer[0] === 0;
  };

  /**
   * Retrieves the xAPI data necessary for generating result reports.
   *
   * @return {object}
   */
  Summary.prototype.getXAPIData = function(){
    var self = this;

    // create array with userAnswer
    var children = self.summaries.map(function(panel, index) {
        var userResponse = self.userResponses[index] || [];
        var duration = self.timePassedInStopWatch(index);
        var event = self.createXApiAnsweredEvent(panel, userResponse, index, duration);

        return {
          statement: event.data.statement
        };
    });

    var result = XApiEventBuilder.createResult()
      .score(self.getScore(), self.getMaxScore())
      .duration(self.getTotalPassedTime())
      .build();

    // creates the definition object
    var definition = XApiEventBuilder.createDefinition()
      .interactionType(XApiEventBuilder.interactionTypes.COMPOUND)
      .name(self.getTitle())
      .description(self.options.intro)
      .build();

    var xAPIEvent = XApiEventBuilder.create()
      .verb(XApiEventBuilder.verbs.ANSWERED)
      .contentId(self.contentId, self.subContentId)
      .context(self.getParentAttribute('contentId'), self.getParentAttribute('subContentId'))
      .objectDefinition(definition)
      .result(result)
      .build();

    return {
      statement: xAPIEvent.data.statement,
      children: children
    };
  };

  /**
   * Returns an attribute from this.parent if it exists
   *
   * @param {string} attributeName
   * @return {*|undefined}
   */
  Summary.prototype.getParentAttribute = function (attributeName) {
    var self = this;

    if(self.parent !== undefined){
      return self.parent[attributeName];
    }
  };

  return Summary;

})(H5P.jQuery, H5P.Question, H5P.Summary.XApiEventBuilder, H5P.Summary.StopWatch);
;
/*!
* @license SoundJS
* Visit http://createjs.com/ for documentation, updates and examples.
*
* Copyright (c) 2011-2015 gskinner.com, inc.
*
* Distributed under the terms of the MIT license.
* http://www.opensource.org/licenses/mit-license.html
*
* This notice shall be included in all copies or substantial portions of the Software.
*/

/**!
 * SoundJS FlashAudioPlugin also includes swfobject (http://code.google.com/p/swfobject/)
 */

var old = this.createjs;

this.createjs=this.createjs||{},function(){var a=createjs.SoundJS=createjs.SoundJS||{};a.version="0.6.2",a.buildDate="Thu, 26 Nov 2015 20:44:31 GMT"}(),this.createjs=this.createjs||{},createjs.extend=function(a,b){"use strict";function c(){this.constructor=a}return c.prototype=b.prototype,a.prototype=new c},this.createjs=this.createjs||{},createjs.promote=function(a,b){"use strict";var c=a.prototype,d=Object.getPrototypeOf&&Object.getPrototypeOf(c)||c.__proto__;if(d){c[(b+="_")+"constructor"]=d.constructor;for(var e in d)c.hasOwnProperty(e)&&"function"==typeof d[e]&&(c[b+e]=d[e])}return a},this.createjs=this.createjs||{},createjs.indexOf=function(a,b){"use strict";for(var c=0,d=a.length;d>c;c++)if(b===a[c])return c;return-1},this.createjs=this.createjs||{},function(){"use strict";createjs.proxy=function(a,b){var c=Array.prototype.slice.call(arguments,2);return function(){return a.apply(b,Array.prototype.slice.call(arguments,0).concat(c))}}}(),this.createjs=this.createjs||{},function(){"use strict";function BrowserDetect(){throw"BrowserDetect cannot be instantiated"}var a=BrowserDetect.agent=window.navigator.userAgent;BrowserDetect.isWindowPhone=a.indexOf("IEMobile")>-1||a.indexOf("Windows Phone")>-1,BrowserDetect.isFirefox=a.indexOf("Firefox")>-1,BrowserDetect.isOpera=null!=window.opera,BrowserDetect.isChrome=a.indexOf("Chrome")>-1,BrowserDetect.isIOS=(a.indexOf("iPod")>-1||a.indexOf("iPhone")>-1||a.indexOf("iPad")>-1)&&!BrowserDetect.isWindowPhone,BrowserDetect.isAndroid=a.indexOf("Android")>-1&&!BrowserDetect.isWindowPhone,BrowserDetect.isBlackberry=a.indexOf("Blackberry")>-1,createjs.BrowserDetect=BrowserDetect}(),this.createjs=this.createjs||{},function(){"use strict";function EventDispatcher(){this._listeners=null,this._captureListeners=null}var a=EventDispatcher.prototype;EventDispatcher.initialize=function(b){b.addEventListener=a.addEventListener,b.on=a.on,b.removeEventListener=b.off=a.removeEventListener,b.removeAllEventListeners=a.removeAllEventListeners,b.hasEventListener=a.hasEventListener,b.dispatchEvent=a.dispatchEvent,b._dispatchEvent=a._dispatchEvent,b.willTrigger=a.willTrigger},a.addEventListener=function(a,b,c){var d;d=c?this._captureListeners=this._captureListeners||{}:this._listeners=this._listeners||{};var e=d[a];return e&&this.removeEventListener(a,b,c),e=d[a],e?e.push(b):d[a]=[b],b},a.on=function(a,b,c,d,e,f){return b.handleEvent&&(c=c||b,b=b.handleEvent),c=c||this,this.addEventListener(a,function(a){b.call(c,a,e),d&&a.remove()},f)},a.removeEventListener=function(a,b,c){var d=c?this._captureListeners:this._listeners;if(d){var e=d[a];if(e)for(var f=0,g=e.length;g>f;f++)if(e[f]==b){1==g?delete d[a]:e.splice(f,1);break}}},a.off=a.removeEventListener,a.removeAllEventListeners=function(a){a?(this._listeners&&delete 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AbstractMediaLoader(a,b,c){this.AbstractLoader_constructor(a,b,c),this.resultFormatter=this._formatResult,this._tagSrcAttribute="src",this.on("initialize",this._updateXHR,this)}var a=createjs.extend(AbstractMediaLoader,createjs.AbstractLoader);a.load=function(){this._tag||(this._tag=this._createTag(this._item.src)),this._tag.preload="auto",this._tag.load(),this.AbstractLoader_load()},a._createTag=function(){},a._createRequest=function(){this._request=this._preferXHR?new createjs.XHRRequest(this._item):new createjs.MediaTagRequest(this._item,this._tag||this._createTag(),this._tagSrcAttribute)},a._updateXHR=function(a){a.loader.setResponseType&&a.loader.setResponseType("blob")},a._formatResult=function(a){if(this._tag.removeEventListener&&this._tag.removeEventListener("canplaythrough",this._loadedHandler),this._tag.onstalled=null,this._preferXHR){var b=window.URL||window.webkitURL,c=a.getResult(!0);a.getTag().src=b.createObjectURL(c)}return 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createjs.Event("timeout"))},a._clean=function(){this._tag.onload=null,this._tag.onreadystatechange=null,this._tag.onerror=null,this._addedToDOM&&null!=this._tag.parentNode&&this._tag.parentNode.removeChild(this._tag),clearTimeout(this._loadTimeout)},a._hideTag=function(){this._startTagVisibility=this._tag.style.visibility,this._tag.style.visibility="hidden"},a._showTag=function(){this._tag.style.visibility=this._startTagVisibility},a._handleStalled=function(){},createjs.TagRequest=createjs.promote(TagRequest,"AbstractRequest")}(),this.createjs=this.createjs||{},function(){"use strict";function MediaTagRequest(a,b,c){this.AbstractRequest_constructor(a),this._tag=b,this._tagSrcAttribute=c,this._loadedHandler=createjs.proxy(this._handleTagComplete,this)}var a=createjs.extend(MediaTagRequest,createjs.TagRequest);a.load=function(){var a=createjs.proxy(this._handleStalled,this);this._stalledCallback=a;var b=createjs.proxy(this._handleProgress,this);this._handleProgress=b,this._tag.addEventListener("stalled",a),this._tag.addEventListener("progress",b),this._tag.addEventListener&&this._tag.addEventListener("canplaythrough",this._loadedHandler,!1),this.TagRequest_load()},a._handleReadyStateChange=function(){clearTimeout(this._loadTimeout);var a=this._tag;("loaded"==a.readyState||"complete"==a.readyState)&&this._handleTagComplete()},a._handleStalled=function(){},a._handleProgress=function(a){if(a&&!(a.loaded>0&&0==a.total)){var b=new createjs.ProgressEvent(a.loaded,a.total);this.dispatchEvent(b)}},a._clean=function(){this._tag.removeEventListener&&this._tag.removeEventListener("canplaythrough",this._loadedHandler),this._tag.removeEventListener("stalled",this._stalledCallback),this._tag.removeEventListener("progress",this._progressCallback),this.TagRequest__clean()},createjs.MediaTagRequest=createjs.promote(MediaTagRequest,"TagRequest")}(),this.createjs=this.createjs||{},function(){"use 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a&&this._rawResponse?this._rawResponse:this._response},a.cancel=function(){this.canceled=!0,this._clean(),this._request.abort()},a.load=function(){if(null==this._request)return void 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createjs.ErrorEvent("XHR_SEND",null,a))}},a.setResponseType=function(a){"blob"===a&&(a=window.URL?"blob":"arraybuffer",this._responseType=a),this._request.responseType=a},a.getAllResponseHeaders=function(){return this._request.getAllResponseHeaders instanceof Function?this._request.getAllResponseHeaders():null},a.getResponseHeader=function(a){return this._request.getResponseHeader instanceof Function?this._request.getResponseHeader(a):null},a._handleProgress=function(a){if(a&&!(a.loaded>0&&0==a.total)){var b=new createjs.ProgressEvent(a.loaded,a.total);this.dispatchEvent(b)}},a._handleLoadStart=function(){clearTimeout(this._loadTimeout),this.dispatchEvent("loadstart")},a._handleAbort=function(a){this._clean(),this.dispatchEvent(new createjs.ErrorEvent("XHR_ABORTED",null,a))},a._handleError=function(a){this._clean(),this.dispatchEvent(new createjs.ErrorEvent(a.message))},a._handleReadyStateChange=function(){4==this._request.readyState&&this._handleLoad()},a._handleLoad=function(){if(!this.loaded){this.loaded=!0;var a=this._checkError();if(a)return void this._handleError(a);if(this._response=this._getResponse(),"arraybuffer"===this._responseType)try{this._response=new Blob([this._response])}catch(b){if(window.BlobBuilder=window.BlobBuilder||window.WebKitBlobBuilder||window.MozBlobBuilder||window.MSBlobBuilder,"TypeError"===b.name&&window.BlobBuilder){var c=new BlobBuilder;c.append(this._response),this._response=c.getBlob()}}this._clean(),this.dispatchEvent(new createjs.Event("complete"))}},a._handleTimeout=function(a){this._clean(),this.dispatchEvent(new createjs.ErrorEvent("PRELOAD_TIMEOUT",null,a))},a._checkError=function(){var a=parseInt(this._request.status);switch(a){case 404:case 0:return new Error(a)}return null},a._getResponse=function(){if(null!=this._response)return this._response;if(null!=this._request.response)return this._request.response;try{if(null!=this._request.responseText)return this._request.responseText}catch(a){}try{if(null!=this._request.responseXML)return this._request.responseXML}catch(a){}return null},a._createXHR=function(a){var b=createjs.RequestUtils.isCrossDomain(a),c={},d=null;if(window.XMLHttpRequest)d=new XMLHttpRequest,b&&void 0===d.withCredentials&&window.XDomainRequest&&(d=new XDomainRequest);else{for(var e=0,f=s.ACTIVEX_VERSIONS.length;f>e;e++){var g=s.ACTIVEX_VERSIONS[e];try{d=new ActiveXObject(g);break}catch(h){}}if(null==d)return!1}null==a.mimeType&&createjs.RequestUtils.isText(a.type)&&(a.mimeType="text/plain; charset=utf-8"),a.mimeType&&d.overrideMimeType&&d.overrideMimeType(a.mimeType),this._xhrLevel="string"==typeof d.responseType?2:1;var i=null;if(i=a.method==createjs.AbstractLoader.GET?createjs.RequestUtils.buildPath(a.src,a.values):a.src,d.open(a.method||createjs.AbstractLoader.GET,i,!0),b&&d instanceof XMLHttpRequest&&1==this._xhrLevel&&(c.Origin=location.origin),a.values&&a.method==createjs.AbstractLoader.POST&&(c["Content-Type"]="application/x-www-form-urlencoded"),b||c["X-Requested-With"]||(c["X-Requested-With"]="XMLHttpRequest"),a.headers)for(var j in a.headers)c[j]=a.headers[j];for(j in c)d.setRequestHeader(j,c[j]);return d instanceof XMLHttpRequest&&void 0!==a.withCredentials&&(d.withCredentials=a.withCredentials),this._request=d,!0},a._clean=function(){clearTimeout(this._loadTimeout),null!=this._request.removeEventListener?(this._request.removeEventListener("loadstart",this._handleLoadStartProxy),this._request.removeEventListener("progress",this._handleProgressProxy),this._request.removeEventListener("abort",this._handleAbortProxy),this._request.removeEventListener("error",this._handleErrorProxy),this._request.removeEventListener("timeout",this._handleTimeoutProxy),this._request.removeEventListener("load",this._handleLoadProxy),this._request.removeEventListener("readystatechange",this._handleReadyStateChangeProxy)):(this._request.onloadstart=null,this._request.onprogress=null,this._request.onabort=null,this._request.onerror=null,this._request.ontimeout=null,this._request.onload=null,this._request.onreadystatechange=null)},a.toString=function(){return"[PreloadJS XHRRequest]"},createjs.XHRRequest=createjs.promote(XHRRequest,"AbstractRequest")}(),this.createjs=this.createjs||{},function(){"use strict";function SoundLoader(a,b){this.AbstractMediaLoader_constructor(a,b,createjs.AbstractLoader.SOUND),createjs.RequestUtils.isAudioTag(a)?this._tag=a:createjs.RequestUtils.isAudioTag(a.src)?this._tag=a:createjs.RequestUtils.isAudioTag(a.tag)&&(this._tag=createjs.RequestUtils.isAudioTag(a)?a:a.src),null!=this._tag&&(this._preferXHR=!1)}var a=createjs.extend(SoundLoader,createjs.AbstractMediaLoader),b=SoundLoader;b.canLoadItem=function(a){return a.type==createjs.AbstractLoader.SOUND},a._createTag=function(a){var b=document.createElement("audio");return b.autoplay=!1,b.preload="none",b.src=a,b},createjs.SoundLoader=createjs.promote(SoundLoader,"AbstractMediaLoader")}(),this.createjs=this.createjs||{},function(){"use strict";var PlayPropsConfig=function(){this.interrupt=null,this.delay=null,this.offset=null,this.loop=null,this.volume=null,this.pan=null,this.startTime=null,this.duration=null},a=PlayPropsConfig.prototype={},b=PlayPropsConfig;b.create=function(a){if(a instanceof b||a instanceof Object){var c=new createjs.PlayPropsConfig;return c.set(a),c}throw new Error("Type not recognized.")},a.set=function(a){for(var b in a)this[b]=a[b];return this},a.toString=function(){return"[PlayPropsConfig]"},createjs.PlayPropsConfig=b}(),this.createjs=this.createjs||{},function(){"use strict";function Sound(){throw"Sound cannot be instantiated"}function a(a,b){this.init(a,b)}var b=Sound;b.INTERRUPT_ANY="any",b.INTERRUPT_EARLY="early",b.INTERRUPT_LATE="late",b.INTERRUPT_NONE="none",b.PLAY_INITED="playInited",b.PLAY_SUCCEEDED="playSucceeded",b.PLAY_INTERRUPTED="playInterrupted",b.PLAY_FINISHED="playFinished",b.PLAY_FAILED="playFailed",b.SUPPORTED_EXTENSIONS=["mp3","ogg","opus","mpeg","wav","m4a","mp4","aiff","wma","mid"],b.EXTENSION_MAP={m4a:"mp4"},b.FILE_PATTERN=/^(?:(\w+:)\/{2}(\w+(?:\.\w+)*\/?))?([\/.]*?(?:[^?]+)?\/)?((?:[^\/?]+)\.(\w+))(?:\?(\S+)?)?$/,b.defaultInterruptBehavior=b.INTERRUPT_NONE,b.alternateExtensions=[],b.activePlugin=null,b._masterVolume=1,Object.defineProperty(b,"volume",{get:function(){return this._masterVolume},set:function(a){if(null==Number(a))return!1;if(a=Math.max(0,Math.min(1,a)),b._masterVolume=a,!this.activePlugin||!this.activePlugin.setVolume||!this.activePlugin.setVolume(a))for(var c=this._instances,d=0,e=c.length;e>d;d++)c[d].setMasterVolume(a)}}),b._masterMute=!1,Object.defineProperty(b,"muted",{get:function(){return this._masterMute},set:function(a){if(null==a)return!1;if(this._masterMute=a,!this.activePlugin||!this.activePlugin.setMute||!this.activePlugin.setMute(a))for(var b=this._instances,c=0,d=b.length;d>c;c++)b[c].setMasterMute(a);return!0}}),Object.defineProperty(b,"capabilities",{get:function(){return null==b.activePlugin?null:b.activePlugin._capabilities},set:function(){return!1}}),b._pluginsRegistered=!1,b._lastID=0,b._instances=[],b._idHash={},b._preloadHash={},b._defaultPlayPropsHash={},b.addEventListener=null,b.removeEventListener=null,b.removeAllEventListeners=null,b.dispatchEvent=null,b.hasEventListener=null,b._listeners=null,createjs.EventDispatcher.initialize(b),b.getPreloadHandlers=function(){return{callback:createjs.proxy(b.initLoad,b),types:["sound"],extensions:b.SUPPORTED_EXTENSIONS}},b._handleLoadComplete=function(a){var c=a.target.getItem().src;if(b._preloadHash[c])for(var d=0,e=b._preloadHash[c].length;e>d;d++){var f=b._preloadHash[c][d];if(b._preloadHash[c][d]=!0,b.hasEventListener("fileload")){var a=new createjs.Event("fileload");a.src=f.src,a.id=f.id,a.data=f.data,a.sprite=f.sprite,b.dispatchEvent(a)}}},b._handleLoadError=function(a){var c=a.target.getItem().src;if(b._preloadHash[c])for(var d=0,e=b._preloadHash[c].length;e>d;d++){var f=b._preloadHash[c][d];if(b._preloadHash[c][d]=!1,b.hasEventListener("fileerror")){var a=new createjs.Event("fileerror");a.src=f.src,a.id=f.id,a.data=f.data,a.sprite=f.sprite,b.dispatchEvent(a)}}},b._registerPlugin=function(a){return a.isSupported()?(b.activePlugin=new a,!0):!1},b.registerPlugins=function(a){b._pluginsRegistered=!0;for(var c=0,d=a.length;d>c;c++)if(b._registerPlugin(a[c]))return!0;return!1},b.initializeDefaultPlugins=function(){return null!=b.activePlugin?!0:b._pluginsRegistered?!1:b.registerPlugins([createjs.WebAudioPlugin,createjs.HTMLAudioPlugin])?!0:!1},b.isReady=function(){return null!=b.activePlugin},b.getCapabilities=function(){return null==b.activePlugin?null:b.activePlugin._capabilities},b.getCapability=function(a){return null==b.activePlugin?null:b.activePlugin._capabilities[a]},b.initLoad=function(a){return b._registerSound(a)},b._registerSound=function(c){if(!b.initializeDefaultPlugins())return!1;var d;if(c.src instanceof Object?(d=b._parseSrc(c.src),d.src=c.path+d.src):d=b._parsePath(c.src),null==d)return!1;c.src=d.src,c.type="sound";var e=c.data,f=null;if(null!=e&&(isNaN(e.channels)?isNaN(e)||(f=parseInt(e)):f=parseInt(e.channels),e.audioSprite))for(var g,h=e.audioSprite.length;h--;)g=e.audioSprite[h],b._idHash[g.id]={src:c.src,startTime:parseInt(g.startTime),duration:parseInt(g.duration)},g.defaultPlayProps&&(b._defaultPlayPropsHash[g.id]=createjs.PlayPropsConfig.create(g.defaultPlayProps));null!=c.id&&(b._idHash[c.id]={src:c.src});var i=b.activePlugin.register(c);return a.create(c.src,f),null!=e&&isNaN(e)?c.data.channels=f||a.maxPerChannel():c.data=f||a.maxPerChannel(),i.type&&(c.type=i.type),c.defaultPlayProps&&(b._defaultPlayPropsHash[c.src]=createjs.PlayPropsConfig.create(c.defaultPlayProps)),i},b.registerSound=function(a,c,d,e,f){var g={src:a,id:c,data:d,defaultPlayProps:f};a instanceof Object&&a.src&&(e=c,g=a),g=createjs.LoadItem.create(g),g.path=e,null==e||g.src instanceof Object||(g.src=e+a);var h=b._registerSound(g);if(!h)return!1;if(b._preloadHash[g.src]||(b._preloadHash[g.src]=[]),b._preloadHash[g.src].push(g),1==b._preloadHash[g.src].length)h.on("complete",createjs.proxy(this._handleLoadComplete,this)),h.on("error",createjs.proxy(this._handleLoadError,this)),b.activePlugin.preload(h);else if(1==b._preloadHash[g.src][0])return!0;return g},b.registerSounds=function(a,b){var c=[];a.path&&(b?b+=a.path:b=a.path,a=a.manifest);for(var d=0,e=a.length;e>d;d++)c[d]=createjs.Sound.registerSound(a[d].src,a[d].id,a[d].data,b,a[d].defaultPlayProps);return c},b.removeSound=function(c,d){if(null==b.activePlugin)return!1;c instanceof Object&&c.src&&(c=c.src);var e;if(c instanceof Object?e=b._parseSrc(c):(c=b._getSrcById(c).src,e=b._parsePath(c)),null==e)return!1;c=e.src,null!=d&&(c=d+c);for(var f in b._idHash)b._idHash[f].src==c&&delete b._idHash[f];return a.removeSrc(c),delete b._preloadHash[c],b.activePlugin.removeSound(c),!0},b.removeSounds=function(a,b){var c=[];a.path&&(b?b+=a.path:b=a.path,a=a.manifest);for(var d=0,e=a.length;e>d;d++)c[d]=createjs.Sound.removeSound(a[d].src,b);return c},b.removeAllSounds=function(){b._idHash={},b._preloadHash={},a.removeAll(),b.activePlugin&&b.activePlugin.removeAllSounds()},b.loadComplete=function(a){if(!b.isReady())return!1;var c=b._parsePath(a);return a=c?b._getSrcById(c.src).src:b._getSrcById(a).src,void 0==b._preloadHash[a]?!1:1==b._preloadHash[a][0]},b._parsePath=function(a){"string"!=typeof a&&(a=a.toString());var c=a.match(b.FILE_PATTERN);if(null==c)return!1;for(var d=c[4],e=c[5],f=b.capabilities,g=0;!f[e];)if(e=b.alternateExtensions[g++],g>b.alternateExtensions.length)return null;a=a.replace("."+c[5],"."+e);var h={name:d,src:a,extension:e};return h},b._parseSrc=function(a){var c={name:void 0,src:void 0,extension:void 0},d=b.capabilities;for(var e in a)if(a.hasOwnProperty(e)&&d[e]){c.src=a[e],c.extension=e;break}if(!c.src)return!1;var f=c.src.lastIndexOf("/");return c.name=-1!=f?c.src.slice(f+1):c.src,c},b.play=function(a,c,d,e,f,g,h,i,j){var k;k=createjs.PlayPropsConfig.create(c instanceof Object||c instanceof createjs.PlayPropsConfig?c:{interrupt:c,delay:d,offset:e,loop:f,volume:g,pan:h,startTime:i,duration:j});var l=b.createInstance(a,k.startTime,k.duration),m=b._playInstance(l,k);return m||l._playFailed(),l},b.createInstance=function(c,d,e){if(!b.initializeDefaultPlugins())return new createjs.DefaultSoundInstance(c,d,e);var f=b._defaultPlayPropsHash[c];c=b._getSrcById(c);var g=b._parsePath(c.src),h=null;
return null!=g&&null!=g.src?(a.create(g.src),null==d&&(d=c.startTime),h=b.activePlugin.create(g.src,d,e||c.duration),f=f||b._defaultPlayPropsHash[g.src],f&&h.applyPlayProps(f)):h=new createjs.DefaultSoundInstance(c,d,e),h.uniqueId=b._lastID++,h},b.stop=function(){for(var a=this._instances,b=a.length;b--;)a[b].stop()},b.setVolume=function(a){if(null==Number(a))return!1;if(a=Math.max(0,Math.min(1,a)),b._masterVolume=a,!this.activePlugin||!this.activePlugin.setVolume||!this.activePlugin.setVolume(a))for(var c=this._instances,d=0,e=c.length;e>d;d++)c[d].setMasterVolume(a)},b.getVolume=function(){return this._masterVolume},b.setMute=function(a){if(null==a)return!1;if(this._masterMute=a,!this.activePlugin||!this.activePlugin.setMute||!this.activePlugin.setMute(a))for(var b=this._instances,c=0,d=b.length;d>c;c++)b[c].setMasterMute(a);return!0},b.getMute=function(){return this._masterMute},b.setDefaultPlayProps=function(a,c){a=b._getSrcById(a),b._defaultPlayPropsHash[b._parsePath(a.src).src]=createjs.PlayPropsConfig.create(c)},b.getDefaultPlayProps=function(a){return a=b._getSrcById(a),b._defaultPlayPropsHash[b._parsePath(a.src).src]},b._playInstance=function(a,c){var d=b._defaultPlayPropsHash[a.src]||{};if(null==c.interrupt&&(c.interrupt=d.interrupt||b.defaultInterruptBehavior),null==c.delay&&(c.delay=d.delay||0),null==c.offset&&(c.offset=a.getPosition()),null==c.loop&&(c.loop=a.loop),null==c.volume&&(c.volume=a.volume),null==c.pan&&(c.pan=a.pan),0==c.delay){var e=b._beginPlaying(a,c);if(!e)return!1}else{var f=setTimeout(function(){b._beginPlaying(a,c)},c.delay);a.delayTimeoutId=f}return this._instances.push(a),!0},b._beginPlaying=function(b,c){if(!a.add(b,c.interrupt))return!1;var d=b._beginPlaying(c);if(!d){var e=createjs.indexOf(this._instances,b);return e>-1&&this._instances.splice(e,1),!1}return!0},b._getSrcById=function(a){return b._idHash[a]||{src:a}},b._playFinished=function(b){a.remove(b);var c=createjs.indexOf(this._instances,b);c>-1&&this._instances.splice(c,1)},createjs.Sound=Sound,a.channels={},a.create=function(b,c){var d=a.get(b);return null==d?(a.channels[b]=new a(b,c),!0):!1},a.removeSrc=function(b){var c=a.get(b);return null==c?!1:(c._removeAll(),delete a.channels[b],!0)},a.removeAll=function(){for(var b in a.channels)a.channels[b]._removeAll();a.channels={}},a.add=function(b,c){var d=a.get(b.src);return null==d?!1:d._add(b,c)},a.remove=function(b){var c=a.get(b.src);return null==c?!1:(c._remove(b),!0)},a.maxPerChannel=function(){return c.maxDefault},a.get=function(b){return a.channels[b]};var c=a.prototype;c.constructor=a,c.src=null,c.max=null,c.maxDefault=100,c.length=0,c.init=function(a,b){this.src=a,this.max=b||this.maxDefault,-1==this.max&&(this.max=this.maxDefault),this._instances=[]},c._get=function(a){return this._instances[a]},c._add=function(a,b){return this._getSlot(b,a)?(this._instances.push(a),this.length++,!0):!1},c._remove=function(a){var b=createjs.indexOf(this._instances,a);return-1==b?!1:(this._instances.splice(b,1),this.length--,!0)},c._removeAll=function(){for(var a=this.length-1;a>=0;a--)this._instances[a].stop()},c._getSlot=function(a){var b,c;if(a!=Sound.INTERRUPT_NONE&&(c=this._get(0),null==c))return!0;for(var d=0,e=this.max;e>d;d++){if(b=this._get(d),null==b)return!0;if(b.playState==Sound.PLAY_FINISHED||b.playState==Sound.PLAY_INTERRUPTED||b.playState==Sound.PLAY_FAILED){c=b;break}a!=Sound.INTERRUPT_NONE&&(a==Sound.INTERRUPT_EARLY&&b.getPosition()<c.getPosition()||a==Sound.INTERRUPT_LATE&&b.getPosition()>c.getPosition())&&(c=b)}return null!=c?(c._interrupt(),this._remove(c),!0):!1},c.toString=function(){return"[Sound SoundChannel]"}}(),this.createjs=this.createjs||{},function(){"use strict";var AbstractSoundInstance=function(a,b,c,d){this.EventDispatcher_constructor(),this.src=a,this.uniqueId=-1,this.playState=null,this.delayTimeoutId=null,this._volume=1,Object.defineProperty(this,"volume",{get:this.getVolume,set:this.setVolume}),this._pan=0,Object.defineProperty(this,"pan",{get:this.getPan,set:this.setPan}),this._startTime=Math.max(0,b||0),Object.defineProperty(this,"startTime",{get:this.getStartTime,set:this.setStartTime}),this._duration=Math.max(0,c||0),Object.defineProperty(this,"duration",{get:this.getDuration,set:this.setDuration}),this._playbackResource=null,Object.defineProperty(this,"playbackResource",{get:this.getPlaybackResource,set:this.setPlaybackResource}),d!==!1&&d!==!0&&this.setPlaybackResource(d),this._position=0,Object.defineProperty(this,"position",{get:this.getPosition,set:this.setPosition}),this._loop=0,Object.defineProperty(this,"loop",{get:this.getLoop,set:this.setLoop}),this._muted=!1,Object.defineProperty(this,"muted",{get:this.getMuted,set:this.setMuted}),this._paused=!1,Object.defineProperty(this,"paused",{get:this.getPaused,set:this.setPaused})},a=createjs.extend(AbstractSoundInstance,createjs.EventDispatcher);a.play=function(a,b,c,d,e,f){var g;return g=createjs.PlayPropsConfig.create(a instanceof Object||a instanceof createjs.PlayPropsConfig?a:{interrupt:a,delay:b,offset:c,loop:d,volume:e,pan:f}),this.playState==createjs.Sound.PLAY_SUCCEEDED?(this.applyPlayProps(g),void(this._paused&&this.setPaused(!1))):(this._cleanUp(),createjs.Sound._playInstance(this,g),this)},a.stop=function(){return this._position=0,this._paused=!1,this._handleStop(),this._cleanUp(),this.playState=createjs.Sound.PLAY_FINISHED,this},a.destroy=function(){this._cleanUp(),this.src=null,this.playbackResource=null,this.removeAllEventListeners()},a.applyPlayProps=function(a){return null!=a.offset&&this.setPosition(a.offset),null!=a.loop&&this.setLoop(a.loop),null!=a.volume&&this.setVolume(a.volume),null!=a.pan&&this.setPan(a.pan),null!=a.startTime&&(this.setStartTime(a.startTime),this.setDuration(a.duration)),this},a.toString=function(){return"[AbstractSoundInstance]"},a.getPaused=function(){return this._paused},a.setPaused=function(a){return a!==!0&&a!==!1||this._paused==a||1==a&&this.playState!=createjs.Sound.PLAY_SUCCEEDED?void 0:(this._paused=a,a?this._pause():this._resume(),clearTimeout(this.delayTimeoutId),this)},a.setVolume=function(a){return a==this._volume?this:(this._volume=Math.max(0,Math.min(1,a)),this._muted||this._updateVolume(),this)},a.getVolume=function(){return this._volume},a.setMuted=function(a){return a===!0||a===!1?(this._muted=a,this._updateVolume(),this):void 0},a.getMuted=function(){return this._muted},a.setPan=function(a){return a==this._pan?this:(this._pan=Math.max(-1,Math.min(1,a)),this._updatePan(),this)},a.getPan=function(){return this._pan},a.getPosition=function(){return this._paused||this.playState!=createjs.Sound.PLAY_SUCCEEDED||(this._position=this._calculateCurrentPosition()),this._position},a.setPosition=function(a){return this._position=Math.max(0,a),this.playState==createjs.Sound.PLAY_SUCCEEDED&&this._updatePosition(),this},a.getStartTime=function(){return this._startTime},a.setStartTime=function(a){return a==this._startTime?this:(this._startTime=Math.max(0,a||0),this._updateStartTime(),this)},a.getDuration=function(){return this._duration},a.setDuration=function(a){return a==this._duration?this:(this._duration=Math.max(0,a||0),this._updateDuration(),this)},a.setPlaybackResource=function(a){return this._playbackResource=a,0==this._duration&&this._setDurationFromSource(),this},a.getPlaybackResource=function(){return this._playbackResource},a.getLoop=function(){return this._loop},a.setLoop=function(a){null!=this._playbackResource&&(0!=this._loop&&0==a?this._removeLooping(a):0==this._loop&&0!=a&&this._addLooping(a)),this._loop=a},a._sendEvent=function(a){var b=new createjs.Event(a);this.dispatchEvent(b)},a._cleanUp=function(){clearTimeout(this.delayTimeoutId),this._handleCleanUp(),this._paused=!1,createjs.Sound._playFinished(this)},a._interrupt=function(){this._cleanUp(),this.playState=createjs.Sound.PLAY_INTERRUPTED,this._sendEvent("interrupted")},a._beginPlaying=function(a){return this.setPosition(a.offset),this.setLoop(a.loop),this.setVolume(a.volume),this.setPan(a.pan),null!=a.startTime&&(this.setStartTime(a.startTime),this.setDuration(a.duration)),null!=this._playbackResource&&this._position<this._duration?(this._paused=!1,this._handleSoundReady(),this.playState=createjs.Sound.PLAY_SUCCEEDED,this._sendEvent("succeeded"),!0):(this._playFailed(),!1)},a._playFailed=function(){this._cleanUp(),this.playState=createjs.Sound.PLAY_FAILED,this._sendEvent("failed")},a._handleSoundComplete=function(){return this._position=0,0!=this._loop?(this._loop--,this._handleLoop(),void this._sendEvent("loop")):(this._cleanUp(),this.playState=createjs.Sound.PLAY_FINISHED,void this._sendEvent("complete"))},a._handleSoundReady=function(){},a._updateVolume=function(){},a._updatePan=function(){},a._updateStartTime=function(){},a._updateDuration=function(){},a._setDurationFromSource=function(){},a._calculateCurrentPosition=function(){},a._updatePosition=function(){},a._removeLooping=function(){},a._addLooping=function(){},a._pause=function(){},a._resume=function(){},a._handleStop=function(){},a._handleCleanUp=function(){},a._handleLoop=function(){},createjs.AbstractSoundInstance=createjs.promote(AbstractSoundInstance,"EventDispatcher"),createjs.DefaultSoundInstance=createjs.AbstractSoundInstance}(),this.createjs=this.createjs||{},function(){"use strict";var AbstractPlugin=function(){this._capabilities=null,this._loaders={},this._audioSources={},this._soundInstances={},this._volume=1,this._loaderClass,this._soundInstanceClass},a=AbstractPlugin.prototype;AbstractPlugin._capabilities=null,AbstractPlugin.isSupported=function(){return!0},a.register=function(a){var b=this._loaders[a.src];return b&&!b.canceled?this._loaders[a.src]:(this._audioSources[a.src]=!0,this._soundInstances[a.src]=[],b=new this._loaderClass(a),b.on("complete",this._handlePreloadComplete,this),this._loaders[a.src]=b,b)},a.preload=function(a){a.on("error",this._handlePreloadError,this),a.load()},a.isPreloadStarted=function(a){return null!=this._audioSources[a]},a.isPreloadComplete=function(a){return!(null==this._audioSources[a]||1==this._audioSources[a])},a.removeSound=function(a){if(this._soundInstances[a]){for(var b=this._soundInstances[a].length;b--;){var c=this._soundInstances[a][b];c.destroy()}delete this._soundInstances[a],delete this._audioSources[a],this._loaders[a]&&this._loaders[a].destroy(),delete this._loaders[a]}},a.removeAllSounds=function(){for(var a in this._audioSources)this.removeSound(a)},a.create=function(a,b,c){this.isPreloadStarted(a)||this.preload(this.register(a));var d=new this._soundInstanceClass(a,b,c,this._audioSources[a]);return this._soundInstances[a].push(d),d},a.setVolume=function(a){return this._volume=a,this._updateVolume(),!0},a.getVolume=function(){return this._volume},a.setMute=function(){return this._updateVolume(),!0},a.toString=function(){return"[AbstractPlugin]"},a._handlePreloadComplete=function(a){var b=a.target.getItem().src;this._audioSources[b]=a.result;for(var c=0,d=this._soundInstances[b].length;d>c;c++){var e=this._soundInstances[b][c];e.setPlaybackResource(this._audioSources[b])}},a._handlePreloadError=function(){},a._updateVolume=function(){},createjs.AbstractPlugin=AbstractPlugin}(),this.createjs=this.createjs||{},function(){"use strict";function a(a){this.AbstractLoader_constructor(a,!0,createjs.AbstractLoader.SOUND)}var b=createjs.extend(a,createjs.AbstractLoader);a.context=null,b.toString=function(){return"[WebAudioLoader]"},b._createRequest=function(){this._request=new createjs.XHRRequest(this._item,!1),this._request.setResponseType("arraybuffer")},b._sendComplete=function(){a.context.decodeAudioData(this._rawResult,createjs.proxy(this._handleAudioDecoded,this),createjs.proxy(this._sendError,this))},b._handleAudioDecoded=function(a){this._result=a,this.AbstractLoader__sendComplete()},createjs.WebAudioLoader=createjs.promote(a,"AbstractLoader")}(),this.createjs=this.createjs||{},function(){"use strict";function WebAudioSoundInstance(a,c,d,e){this.AbstractSoundInstance_constructor(a,c,d,e),this.gainNode=b.context.createGain(),this.panNode=b.context.createPanner(),this.panNode.panningModel=b._panningModel,this.panNode.connect(this.gainNode),this._updatePan(),this.sourceNode=null,this._soundCompleteTimeout=null,this._sourceNodeNext=null,this._playbackStartTime=0,this._endedHandler=createjs.proxy(this._handleSoundComplete,this)}var a=createjs.extend(WebAudioSoundInstance,createjs.AbstractSoundInstance),b=WebAudioSoundInstance;b.context=null,b._scratchBuffer=null,b.destinationNode=null,b._panningModel="equalpower",a.destroy=function(){this.AbstractSoundInstance_destroy(),this.panNode.disconnect(0),this.panNode=null,this.gainNode.disconnect(0),this.gainNode=null},a.toString=function(){return"[WebAudioSoundInstance]"},a._updatePan=function(){this.panNode.setPosition(this._pan,0,-.5)},a._removeLooping=function(){this._sourceNodeNext=this._cleanUpAudioNode(this._sourceNodeNext)},a._addLooping=function(){this.playState==createjs.Sound.PLAY_SUCCEEDED&&(this._sourceNodeNext=this._createAndPlayAudioNode(this._playbackStartTime,0))},a._setDurationFromSource=function(){this._duration=1e3*this.playbackResource.duration},a._handleCleanUp=function(){this.sourceNode&&this.playState==createjs.Sound.PLAY_SUCCEEDED&&(this.sourceNode=this._cleanUpAudioNode(this.sourceNode),this._sourceNodeNext=this._cleanUpAudioNode(this._sourceNodeNext)),0!=this.gainNode.numberOfOutputs&&this.gainNode.disconnect(0),clearTimeout(this._soundCompleteTimeout),this._playbackStartTime=0},a._cleanUpAudioNode=function(a){if(a){a.stop(0),a.disconnect(0);try{a.buffer=b._scratchBuffer}catch(c){}a=null}return a},a._handleSoundReady=function(){this.gainNode.connect(b.destinationNode);var a=.001*this._duration,c=.001*this._position;c>a&&(c=a),this.sourceNode=this._createAndPlayAudioNode(b.context.currentTime-a,c),this._playbackStartTime=this.sourceNode.startTime-c,this._soundCompleteTimeout=setTimeout(this._endedHandler,1e3*(a-c)),0!=this._loop&&(this._sourceNodeNext=this._createAndPlayAudioNode(this._playbackStartTime,0))},a._createAndPlayAudioNode=function(a,c){var d=b.context.createBufferSource();d.buffer=this.playbackResource,d.connect(this.panNode);var e=.001*this._duration;return d.startTime=a+e,d.start(d.startTime,c+.001*this._startTime,e-c),d},a._pause=function(){this._position=1e3*(b.context.currentTime-this._playbackStartTime),this.sourceNode=this._cleanUpAudioNode(this.sourceNode),this._sourceNodeNext=this._cleanUpAudioNode(this._sourceNodeNext),0!=this.gainNode.numberOfOutputs&&this.gainNode.disconnect(0),clearTimeout(this._soundCompleteTimeout)},a._resume=function(){this._handleSoundReady()},a._updateVolume=function(){var a=this._muted?0:this._volume;a!=this.gainNode.gain.value&&(this.gainNode.gain.value=a)},a._calculateCurrentPosition=function(){return 1e3*(b.context.currentTime-this._playbackStartTime)},a._updatePosition=function(){this.sourceNode=this._cleanUpAudioNode(this.sourceNode),this._sourceNodeNext=this._cleanUpAudioNode(this._sourceNodeNext),clearTimeout(this._soundCompleteTimeout),this._paused||this._handleSoundReady()},a._handleLoop=function(){this._cleanUpAudioNode(this.sourceNode),this.sourceNode=this._sourceNodeNext,this._playbackStartTime=this.sourceNode.startTime,this._sourceNodeNext=this._createAndPlayAudioNode(this._playbackStartTime,0),this._soundCompleteTimeout=setTimeout(this._endedHandler,this._duration)},a._updateDuration=function(){this.playState==createjs.Sound.PLAY_SUCCEEDED&&(this._pause(),this._resume())},createjs.WebAudioSoundInstance=createjs.promote(WebAudioSoundInstance,"AbstractSoundInstance")}(),this.createjs=this.createjs||{},function(){"use strict";function WebAudioPlugin(){this.AbstractPlugin_constructor(),this._panningModel=b._panningModel,this.context=b.context,this.dynamicsCompressorNode=this.context.createDynamicsCompressor(),this.dynamicsCompressorNode.connect(this.context.destination),this.gainNode=this.context.createGain(),this.gainNode.connect(this.dynamicsCompressorNode),createjs.WebAudioSoundInstance.destinationNode=this.gainNode,this._capabilities=b._capabilities,this._loaderClass=createjs.WebAudioLoader,this._soundInstanceClass=createjs.WebAudioSoundInstance,this._addPropsToClasses()}var a=createjs.extend(WebAudioPlugin,createjs.AbstractPlugin),b=WebAudioPlugin;b._capabilities=null,b._panningModel="equalpower",b.context=null,b._scratchBuffer=null,b._unlocked=!1,b.isSupported=function(){var a=createjs.BrowserDetect.isIOS||createjs.BrowserDetect.isAndroid||createjs.BrowserDetect.isBlackberry;return"file:"!=location.protocol||a||this._isFileXHRSupported()?(b._generateCapabilities(),null==b.context?!1:!0):!1},b.playEmptySound=function(){if(null!=b.context){var a=b.context.createBufferSource();a.buffer=b._scratchBuffer,a.connect(b.context.destination),a.start(0,0,0)}},b._isFileXHRSupported=function(){var a=!0,b=new XMLHttpRequest;try{b.open("GET","WebAudioPluginTest.fail",!1)}catch(c){return a=!1}b.onerror=function(){a=!1},b.onload=function(){a=404==this.status||200==this.status||0==this.status&&""!=this.response};try{b.send()}catch(c){a=!1}return a},b._generateCapabilities=function(){if(null==b._capabilities){var a=document.createElement("audio");if(null==a.canPlayType)return null;if(null==b.context)if(window.AudioContext)b.context=new AudioContext;else{if(!window.webkitAudioContext)return null;b.context=new webkitAudioContext}null==b._scratchBuffer&&(b._scratchBuffer=b.context.createBuffer(1,1,22050)),b._compatibilitySetUp(),"ontouchstart"in window&&"running"!=b.context.state&&(b._unlock(),document.addEventListener("mousedown",b._unlock,!0),document.addEventListener("touchend",b._unlock,!0)),b._capabilities={panning:!0,volume:!0,tracks:-1};for(var c=createjs.Sound.SUPPORTED_EXTENSIONS,d=createjs.Sound.EXTENSION_MAP,e=0,f=c.length;f>e;e++){var g=c[e],h=d[g]||g;b._capabilities[g]="no"!=a.canPlayType("audio/"+g)&&""!=a.canPlayType("audio/"+g)||"no"!=a.canPlayType("audio/"+h)&&""!=a.canPlayType("audio/"+h)}b.context.destination.numberOfChannels<2&&(b._capabilities.panning=!1)}},b._compatibilitySetUp=function(){if(b._panningModel="equalpower",!b.context.createGain){b.context.createGain=b.context.createGainNode;var a=b.context.createBufferSource();a.__proto__.start=a.__proto__.noteGrainOn,a.__proto__.stop=a.__proto__.noteOff,b._panningModel=0}},b._unlock=function(){b._unlocked||(b.playEmptySound(),"running"==b.context.state&&(document.removeEventListener("mousedown",b._unlock,!0),document.removeEventListener("touchend",b._unlock,!0),b._unlocked=!0))},a.toString=function(){return"[WebAudioPlugin]"},a._addPropsToClasses=function(){var a=this._soundInstanceClass;a.context=this.context,a._scratchBuffer=b._scratchBuffer,a.destinationNode=this.gainNode,a._panningModel=this._panningModel,this._loaderClass.context=this.context},a._updateVolume=function(){var a=createjs.Sound._masterMute?0:this._volume;a!=this.gainNode.gain.value&&(this.gainNode.gain.value=a)},createjs.WebAudioPlugin=createjs.promote(WebAudioPlugin,"AbstractPlugin")}(),this.createjs=this.createjs||{},function(){"use strict";function HTMLAudioTagPool(){throw"HTMLAudioTagPool cannot be instantiated"}function a(){this._tags=[]}var b=HTMLAudioTagPool;b._tags={},b._tagPool=new a,b._tagUsed={},b.get=function(a){var c=b._tags[a];return null==c?(c=b._tags[a]=b._tagPool.get(),c.src=a):b._tagUsed[a]?(c=b._tagPool.get(),c.src=a):b._tagUsed[a]=!0,c},b.set=function(a,c){c==b._tags[a]?b._tagUsed[a]=!1:b._tagPool.set(c)},b.remove=function(a){var c=b._tags[a];return null==c?!1:(b._tagPool.set(c),delete b._tags[a],delete b._tagUsed[a],!0)},b.getDuration=function(a){var c=b._tags[a];return null!=c&&c.duration?1e3*c.duration:0},createjs.HTMLAudioTagPool=HTMLAudioTagPool;var c=a.prototype;c.constructor=a,c.get=function(){var a;return a=0==this._tags.length?this._createTag():this._tags.pop(),null==a.parentNode&&document.body.appendChild(a),a},c.set=function(a){var b=createjs.indexOf(this._tags,a);-1==b&&(this._tags.src=null,this._tags.push(a))},c.toString=function(){return"[TagPool]"},c._createTag=function(){var a=document.createElement("audio");return a.autoplay=!1,a.preload="none",a}}(),this.createjs=this.createjs||{},function(){"use strict";function HTMLAudioSoundInstance(a,b,c,d){this.AbstractSoundInstance_constructor(a,b,c,d),this._audioSpriteStopTime=null,this._delayTimeoutId=null,this._endedHandler=createjs.proxy(this._handleSoundComplete,this),this._readyHandler=createjs.proxy(this._handleTagReady,this),this._stalledHandler=createjs.proxy(this._playFailed,this),this._audioSpriteEndHandler=createjs.proxy(this._handleAudioSpriteLoop,this),this._loopHandler=createjs.proxy(this._handleSoundComplete,this),c?this._audioSpriteStopTime=.001*(b+c):this._duration=createjs.HTMLAudioTagPool.getDuration(this.src)}var a=createjs.extend(HTMLAudioSoundInstance,createjs.AbstractSoundInstance);a.setMasterVolume=function(){this._updateVolume()},a.setMasterMute=function(){this._updateVolume()},a.toString=function(){return"[HTMLAudioSoundInstance]"},a._removeLooping=function(){null!=this._playbackResource&&(this._playbackResource.loop=!1,this._playbackResource.removeEventListener(createjs.HTMLAudioPlugin._AUDIO_SEEKED,this._loopHandler,!1))},a._addLooping=function(){null==this._playbackResource||this._audioSpriteStopTime||(this._playbackResource.addEventListener(createjs.HTMLAudioPlugin._AUDIO_SEEKED,this._loopHandler,!1),this._playbackResource.loop=!0)},a._handleCleanUp=function(){var a=this._playbackResource;if(null!=a){a.pause(),a.loop=!1,a.removeEventListener(createjs.HTMLAudioPlugin._AUDIO_ENDED,this._endedHandler,!1),a.removeEventListener(createjs.HTMLAudioPlugin._AUDIO_READY,this._readyHandler,!1),a.removeEventListener(createjs.HTMLAudioPlugin._AUDIO_STALLED,this._stalledHandler,!1),a.removeEventListener(createjs.HTMLAudioPlugin._AUDIO_SEEKED,this._loopHandler,!1),a.removeEventListener(createjs.HTMLAudioPlugin._TIME_UPDATE,this._audioSpriteEndHandler,!1);try{a.currentTime=this._startTime}catch(b){}createjs.HTMLAudioTagPool.set(this.src,a),this._playbackResource=null}},a._beginPlaying=function(a){return this._playbackResource=createjs.HTMLAudioTagPool.get(this.src),this.AbstractSoundInstance__beginPlaying(a)},a._handleSoundReady=function(){if(4!==this._playbackResource.readyState){var a=this._playbackResource;return a.addEventListener(createjs.HTMLAudioPlugin._AUDIO_READY,this._readyHandler,!1),a.addEventListener(createjs.HTMLAudioPlugin._AUDIO_STALLED,this._stalledHandler,!1),a.preload="auto",void a.load()}this._updateVolume(),this._playbackResource.currentTime=.001*(this._startTime+this._position),this._audioSpriteStopTime?this._playbackResource.addEventListener(createjs.HTMLAudioPlugin._TIME_UPDATE,this._audioSpriteEndHandler,!1):(this._playbackResource.addEventListener(createjs.HTMLAudioPlugin._AUDIO_ENDED,this._endedHandler,!1),0!=this._loop&&(this._playbackResource.addEventListener(createjs.HTMLAudioPlugin._AUDIO_SEEKED,this._loopHandler,!1),this._playbackResource.loop=!0)),this._playbackResource.play()},a._handleTagReady=function(){this._playbackResource.removeEventListener(createjs.HTMLAudioPlugin._AUDIO_READY,this._readyHandler,!1),this._playbackResource.removeEventListener(createjs.HTMLAudioPlugin._AUDIO_STALLED,this._stalledHandler,!1),this._handleSoundReady()},a._pause=function(){this._playbackResource.pause()},a._resume=function(){this._playbackResource.play()},a._updateVolume=function(){if(null!=this._playbackResource){var a=this._muted||createjs.Sound._masterMute?0:this._volume*createjs.Sound._masterVolume;a!=this._playbackResource.volume&&(this._playbackResource.volume=a)}},a._calculateCurrentPosition=function(){return 1e3*this._playbackResource.currentTime-this._startTime},a._updatePosition=function(){this._playbackResource.removeEventListener(createjs.HTMLAudioPlugin._AUDIO_SEEKED,this._loopHandler,!1),this._playbackResource.addEventListener(createjs.HTMLAudioPlugin._AUDIO_SEEKED,this._handleSetPositionSeek,!1);try{this._playbackResource.currentTime=.001*(this._position+this._startTime)}catch(a){this._handleSetPositionSeek(null)}},a._handleSetPositionSeek=function(){null!=this._playbackResource&&(this._playbackResource.removeEventListener(createjs.HTMLAudioPlugin._AUDIO_SEEKED,this._handleSetPositionSeek,!1),this._playbackResource.addEventListener(createjs.HTMLAudioPlugin._AUDIO_SEEKED,this._loopHandler,!1))},a._handleAudioSpriteLoop=function(){this._playbackResource.currentTime<=this._audioSpriteStopTime||(this._playbackResource.pause(),0==this._loop?this._handleSoundComplete(null):(this._position=0,this._loop--,this._playbackResource.currentTime=.001*this._startTime,this._paused||this._playbackResource.play(),this._sendEvent("loop")))},a._handleLoop=function(){0==this._loop&&(this._playbackResource.loop=!1,this._playbackResource.removeEventListener(createjs.HTMLAudioPlugin._AUDIO_SEEKED,this._loopHandler,!1))},a._updateStartTime=function(){this._audioSpriteStopTime=.001*(this._startTime+this._duration),this.playState==createjs.Sound.PLAY_SUCCEEDED&&(this._playbackResource.removeEventListener(createjs.HTMLAudioPlugin._AUDIO_ENDED,this._endedHandler,!1),this._playbackResource.addEventListener(createjs.HTMLAudioPlugin._TIME_UPDATE,this._audioSpriteEndHandler,!1))},a._updateDuration=function(){this._audioSpriteStopTime=.001*(this._startTime+this._duration),this.playState==createjs.Sound.PLAY_SUCCEEDED&&(this._playbackResource.removeEventListener(createjs.HTMLAudioPlugin._AUDIO_ENDED,this._endedHandler,!1),this._playbackResource.addEventListener(createjs.HTMLAudioPlugin._TIME_UPDATE,this._audioSpriteEndHandler,!1))},a._setDurationFromSource=function(){this._duration=createjs.HTMLAudioTagPool.getDuration(this.src),this._playbackResource=null},createjs.HTMLAudioSoundInstance=createjs.promote(HTMLAudioSoundInstance,"AbstractSoundInstance")}(),this.createjs=this.createjs||{},function(){"use strict";function HTMLAudioPlugin(){this.AbstractPlugin_constructor(),this.defaultNumChannels=2,this._capabilities=b._capabilities,this._loaderClass=createjs.SoundLoader,this._soundInstanceClass=createjs.HTMLAudioSoundInstance}var a=createjs.extend(HTMLAudioPlugin,createjs.AbstractPlugin),b=HTMLAudioPlugin;b.MAX_INSTANCES=30,b._AUDIO_READY="canplaythrough",b._AUDIO_ENDED="ended",b._AUDIO_SEEKED="seeked",b._AUDIO_STALLED="stalled",b._TIME_UPDATE="timeupdate",b._capabilities=null,b.isSupported=function(){return b._generateCapabilities(),null!=b._capabilities},b._generateCapabilities=function(){if(null==b._capabilities){var a=document.createElement("audio");if(null==a.canPlayType)return null;b._capabilities={panning:!1,volume:!0,tracks:-1};for(var c=createjs.Sound.SUPPORTED_EXTENSIONS,d=createjs.Sound.EXTENSION_MAP,e=0,f=c.length;f>e;e++){var g=c[e],h=d[g]||g;b._capabilities[g]="no"!=a.canPlayType("audio/"+g)&&""!=a.canPlayType("audio/"+g)||"no"!=a.canPlayType("audio/"+h)&&""!=a.canPlayType("audio/"+h)}}},a.register=function(a){var b=createjs.HTMLAudioTagPool.get(a.src),c=this.AbstractPlugin_register(a);return c.setTag(b),c},a.removeSound=function(a){this.AbstractPlugin_removeSound(a),createjs.HTMLAudioTagPool.remove(a)},a.create=function(a,b,c){var d=this.AbstractPlugin_create(a,b,c);return d.setPlaybackResource(null),d},a.toString=function(){return"[HTMLAudioPlugin]"},a.setVolume=a.getVolume=a.setMute=null,createjs.HTMLAudioPlugin=createjs.promote(HTMLAudioPlugin,"AbstractPlugin")}();

H5P.SoundJS = this.createjs.Sound;

this.createjs = old || this.createjs;
;
var H5P = H5P || {};
H5P.SingleChoiceSet = H5P.SingleChoiceSet || {};

H5P.SingleChoiceSet.StopWatch = (function () {
  /**
   * @class {H5P.SingleChoiceSet.StopWatch}
   * @constructor
   */
  function StopWatch() {
    /**
     * @property {number} duration in ms
     */
    this.duration = 0;
  }

  /**
   * Starts the stop watch
   *
   * @public
   * @return {H5P.SingleChoiceSet.StopWatch}
   */
  StopWatch.prototype.start = function () {
    /**
     * @property {number}
     */
    this.startTime = Date.now();
    return this;
  };

  /**
   * Stops the stopwatch, and returns the duration in seconds.
   *
   * @public
   * @return {number}
   */
  StopWatch.prototype.stop = function () {
    this.duration = this.duration + Date.now() - this.startTime;
    return this.passedTime();
  };

  /**
   * Sets the duration to 0
   *
   * @public
   */
  StopWatch.prototype.reset = function () {
    this.duration = 0;
  };

  /**
   * Returns the passed time in seconds
   *
   * @public
   * @return {number}
   */
  StopWatch.prototype.passedTime = function () {
    return Math.round(this.duration / 10) / 100;
  };

  return StopWatch;
})();
;
H5P.SingleChoiceSet = H5P.SingleChoiceSet || {};

H5P.SingleChoiceSet.SoundEffects = (function () {
  var isDefined = false;

  var SoundEffects = {
    types: [
      'positive-short',
      'negative-short'
    ]
  };

  /**
   * Setup defined sounds
   *
   * @param {string} libraryPath
   * @return {boolean} True if setup was successfull, otherwise false
   */
  SoundEffects.setup = function (libraryPath) {
    if (isDefined || !H5P.SoundJS.initializeDefaultPlugins()) {
      return false;
    }

    H5P.SoundJS.alternateExtensions = ['mp3'];
    for (var i = 0; i < SoundEffects.types.length; i++) {
      var type = SoundEffects.types[i];
      H5P.SoundJS.registerSound(libraryPath + 'sounds/' + type + '.ogg', type);
    }
    isDefined = true;

    return true;
  };

  /**
   * Play a sound
   *
   * @param  {string} type  Name of the sound as defined in [SoundEffects.types]{@link H5P.SoundEffects.SoundEffects#types}
   * @param  {number} delay Delay in milliseconds
   */
  SoundEffects.play = function (type, delay) {
    H5P.SoundJS.play(type, H5P.SoundJS.INTERRUPT_NONE, (delay || 0));
  };

  return SoundEffects;
})();
;
var H5P = H5P || {};
H5P.SingleChoiceSet = H5P.SingleChoiceSet || {};

H5P.SingleChoiceSet.XApiEventBuilder = (function ($, EventDispatcher) {
  /**
   * @typedef {object} LocalizedString
   * @property {string} en-US
   */

  /**
   * @class {H5P.SingleChoiceSet.XApiEventDefinitionBuilder}
   * @constructor
   */
  function XApiEventDefinitionBuilder() {
    EventDispatcher.call(this);
    /**
     * @property {object} attributes
     * @property {string} attributes.name
     * @property {string} attributes.description
     * @property {string} attributes.interactionType
     * @property {string} attributes.correctResponsesPattern
     * @property {object} attributes.optional
     */
    this.attributes = {};
  }

  XApiEventDefinitionBuilder.prototype = Object.create(EventDispatcher.prototype);
  XApiEventDefinitionBuilder.prototype.constructor = XApiEventDefinitionBuilder;


  /**
   * Sets name
   * @param {string} name
   * @return {XApiEventDefinitionBuilder}
   */
  XApiEventDefinitionBuilder.prototype.name = function (name) {
    this.attributes.name = name;
    return this;
  };

  /**
   * Question text and any additional information to generate the report.
   * @param {string} description
   * @return {XApiEventDefinitionBuilder}
   */
  XApiEventDefinitionBuilder.prototype.description = function (description) {
    this.attributes.description = description;
    return this;
  };

  /**
   * Type of the interaction.
   * @param {string} interactionType
   * @see {@link https://github.com/adlnet/xAPI-Spec/blob/master/xAPI-Data.md#interaction-types|xAPI Spec}
   * @return {XApiEventDefinitionBuilder}
   */
  XApiEventDefinitionBuilder.prototype.interactionType = function (interactionType) {
    this.attributes.interactionType = interactionType;
    return this;
  };

  /**
   * A pattern for determining the correct answers of the interaction
   * @param {string[]} correctResponsesPattern
   * @see {@link https://github.com/adlnet/xAPI-Spec/blob/master/xAPI-Data.md#response-patterns|xAPI Spec}
   * @return {XApiEventDefinitionBuilder}
   */
  XApiEventDefinitionBuilder.prototype.correctResponsesPattern = function (correctResponsesPattern) {
    this.attributes.correctResponsesPattern = correctResponsesPattern;
    return this;
  };

  /**
   * Sets optional attributes
   * @param {object} optional Can have one of the following configuration objects: choices, scale, source, target, steps
   * @return {XApiEventDefinitionBuilder}
   */
  XApiEventDefinitionBuilder.prototype.optional = function (optional) {
    this.attributes.optional = optional;
    return this;
  };

  /**
   * @return {object}
   */
  XApiEventDefinitionBuilder.prototype.build = function () {
    var definition = {};

    // sets attributes
    setAttribute(definition, 'name', localizeToEnUS(this.attributes.name));
    setAttribute(definition, 'description', localizeToEnUS(this.attributes.description));
    setAttribute(definition, 'interactionType', this.attributes.interactionType);
    setAttribute(definition, 'correctResponsesPattern', this.attributes.correctResponsesPattern);
    setAttribute(definition, 'type', 'http://adlnet.gov/expapi/activities/cmi.interaction');

    // adds the optional object to the definition
    if (this.attributes.optional) {
      $.extend(definition, this.attributes.optional);
    }

    return definition;
  };

  // -----------------------------------------------------

  /**
   *
   * @constructor
   */
  function XApiEventResultBuilder() {
    EventDispatcher.call(this);
    /**
     * @property {object} attributes
     * @property {string} attributes.completion
     * @property {boolean} attributes.success
     * @property {boolean} attributes.response
     * @property {number} attributes.rawScore
     * @property {number} attributes.maxScore
     */
    this.attributes = {};
  }

  XApiEventResultBuilder.prototype = Object.create(EventDispatcher.prototype);
  XApiEventResultBuilder.prototype.constructor = XApiEventResultBuilder;

  /**
   * @param {boolean} completion
   * @return {XApiEventResultBuilder}
   */
  XApiEventResultBuilder.prototype.completion = function (completion) {
    this.attributes.completion = completion;
    return this;
  };

  /**
   * @param {boolean} success
   * @return {XApiEventResultBuilder}
   */
  XApiEventResultBuilder.prototype.success = function (success) {
    this.attributes.success = success;
    return this;
  };

  /**
   * @param {number} duration The duraction in seconds
   * @return {XApiEventResultBuilder}
   */
  XApiEventResultBuilder.prototype.duration = function (duration) {
    this.attributes.duration = duration;
    return this;
  };

  /**
   * Sets response
   * @param {string|string[]} response
   * @return {XApiEventResultBuilder}
   */
  XApiEventResultBuilder.prototype.response = function (response) {
    this.attributes.response = (typeof response === 'string') ? response : response.join('[,]');
    return this;
  };

  /**
   * Sets the score, and max score
   * @param {number} score
   * @param {number} maxScore
   * @return {XApiEventResultBuilder}
   */
  XApiEventResultBuilder.prototype.score = function (score, maxScore) {
    this.attributes.rawScore = score;
    this.attributes.maxScore = maxScore;
    return this;
  };

  /**
   * Builds the result object
   * @return {object}
   */
  XApiEventResultBuilder.prototype.build = function () {
    var result = {};

    setAttribute(result, 'response', this.attributes.response);
    setAttribute(result, 'completion', this.attributes.completion);
    setAttribute(result, 'success', this.attributes.success);

    if (isDefined(this.attributes.duration)) {
      setAttribute(result, 'duration','PT' +  this.attributes.duration + 'S');
    }

    // sets score
    if (isDefined(this.attributes.rawScore)) {
      result.score = {};
      setAttribute(result.score, 'raw', this.attributes.rawScore);

      if (isDefined(this.attributes.maxScore) && this.attributes.maxScore > 0) {
        setAttribute(result.score, 'min', 0);
        setAttribute(result.score, 'max', this.attributes.maxScore);
        setAttribute(result.score, 'min', 0);
        setAttribute(result.score, 'scaled', Math.round(this.attributes.rawScore / this.attributes.maxScore * 10000) / 10000);
      }
    }

    return result;
  };

  // -----------------------------------------------------

  /**
   * @class {H5P.SingleChoiceSet.XApiEventBuilder}
   */
  function XApiEventBuilder() {
    EventDispatcher.call(this);
    /**
     * @property {object} attributes
     * @property {string} attributes.contentId
     * @property {string} attributes.subContentId
     */
    this.attributes = {};
  }

  XApiEventBuilder.prototype = Object.create(EventDispatcher.prototype);
  XApiEventBuilder.prototype.constructor = XApiEventBuilder;


  /**
   * @param {object} verb
   *
   * @public
   * @return {H5P.SingleChoiceSet.XApiEventBuilder}
   */
  XApiEventBuilder.prototype.verb = function (verb) {
    this.attributes.verb = verb;
    return this;
  };

  /**
   * @param {string} name
   * @param {string} mbox
   * @param {string} objectType
   *
   * @public
   * @return {H5P.SingleChoiceSet.XApiEventBuilder}
   */
  XApiEventBuilder.prototype.actor = function (name, mbox, objectType) {
    this.attributes.actor = {
      name: name,
      mbox: mbox,
      objectType: objectType
    };

    return this;
  };

  /**
   * Sets contentId
   * @param {string} contentId
   * @param {string} [subContentId]
   * @return {H5P.SingleChoiceSet.XApiEventBuilder}
   */
  XApiEventBuilder.prototype.contentId = function (contentId, subContentId) {
    this.attributes.contentId = contentId;
    this.attributes.subContentId = subContentId;
    return this;
  };

  /**
   * Sets parent in context
   *
   * @param {string} parentContentId
   * @param {string} [parentSubContentId]
   * @return {H5P.SingleChoiceSet.XApiEventBuilder}
   */
  XApiEventBuilder.prototype.context = function (parentContentId, parentSubContentId) {
    this.attributes.parentContentId = parentContentId;
    this.attributes.parentSubContentId = parentSubContentId;
    return this;
  };

  /**
   * @param {object} result
   *
   * @public
   * @return {H5P.SingleChoiceSet.XApiEventBuilder}
   */
  XApiEventBuilder.prototype.result = function (result) {
    this.attributes.result = result;
    return this;
  };

  /**
   * @param {object} objectDefinition
   *
   * @public
   * @return {H5P.SingleChoiceSet.XApiEventBuilder}
   */
  XApiEventBuilder.prototype.objectDefinition = function (objectDefinition) {
    this.attributes.objectDefinition = objectDefinition;
    return this;
  };

  /**
   * Returns the buildt event
   * @public
   * @return {H5P.XAPIEvent}
   */
  XApiEventBuilder.prototype.build = function () {
    var event = new H5P.XAPIEvent();

    event.setActor();
    event.setVerb(this.attributes.verb);

    // sets context
    if (this.attributes.parentContentId || this.attributes.parentSubContentId) {
      event.data.statement.context = {
        'contextActivities': {
          'parent': [
            {
              'id': getContentXAPIId(this.attributes.parentContentId, this.attributes.parentSubContentId),
              'objectType': "Activity"
            }
          ]
        }
      };
    }

    event.data.statement.object = {
      'id': getContentXAPIId(this.attributes.contentId, this.attributes.subContentId),
      'objectType': 'Activity'
    };

    setAttribute(event.data, 'actor', this.attributes.actor);
    setAttribute(event.data.statement, 'result', this.attributes.result);
    setAttribute(event.data.statement.object, 'definition', this.attributes.objectDefinition);

    // sets h5p specific attributes
    if (event.data.statement.object.definition && (this.attributes.contentId || this.attributes.subContentId)) {
      var extensions = event.data.statement.object.definition.extensions = {};
      setAttribute(extensions, 'http://h5p.org/x-api/h5p-local-content-id', this.attributes.contentId);
      setAttribute(extensions, 'http://h5p.org/x-api/h5p-subContentId', this.attributes.subContentId);
    }

    return event;
  };

  /**
   * Creates a Localized String object for en-US
   *
   * @param str
   * @return {LocalizedString}
   */
  var localizeToEnUS = function (str) {
    if (str != undefined) {
      return {
        'en-US': cleanString(str)
      };
    }
  };

  /**
   * Generates an id for the content
   * @param {string} contentId
   * @param {string} [subContentId]
   *
   * @see {@link https://github.com/h5p/h5p-php-library/blob/master/js/h5p-x-api-event.js#L240-L249}
   * @return {string}
   */
  var getContentXAPIId = function (contentId, subContentId) {
    const cid = 'cid-' + contentId;
    if (contentId && H5PIntegration && H5PIntegration.contents && H5PIntegration.contents[cid]) {
      var id =  H5PIntegration.contents[cid].url;

      if (subContentId) {
        id += '?subContentId=' +  subContentId;
      }

      return id;
    }
  };

  /**
   * Removes html elements from string
   *
   * @param {string} str
   * @return {string}
   */
  var cleanString = function (str) {
    return $('<div>' + str + '</div>').text().trim();
  };

  var isDefined = function (val) {
    return typeof val !== 'undefined';
  };

  function setAttribute(obj, key, value, required) {
    if (isDefined(value)) {
      obj[key] = value;
    }
    else if (required) {
      console.error("xApiEventBuilder: No value for [" + key + "] in", obj);
    }
  }

  /**
   * Creates a new XApiEventBuilder
   *
   * @public
   * @static
   * @return {H5P.SingleChoiceSet.XApiEventBuilder}
   */
  XApiEventBuilder.create = function () {
    return new XApiEventBuilder();
  };

  /**
   * Creates a new XApiEventDefinitionBuilder
   *
   * @public
   * @static
   * @return {XApiEventDefinitionBuilder}
   */
  XApiEventBuilder.createDefinition = function () {
    return new XApiEventDefinitionBuilder();
  };

  /**
   * Creates a new XApiEventDefinitionBuilder
   *
   * @public
   * @static
   * @return {XApiEventResultBuilder}
   */
  XApiEventBuilder.createResult = function () {
    return new XApiEventResultBuilder();
  };

  /**
   * Returns choice to be used with 'cmi.interaction' for Activity of type 'choice'
   *
   * @param {string} id
   * @param {string} description
   *
   * @public
   * @static
   * @see {@link https://github.com/adlnet/xAPI-Spec/blob/master/xAPI-Data.md#choice|xAPI-Spec}
   * @return {object}
   */
  XApiEventBuilder.createChoice = function (id, description) {
    return {
      id: id,
      description: localizeToEnUS(description)
    };
  };

  /**
   * Takes an array of correct ids, and joins them to a 'correct response pattern'
   *
   * @param {string[]} ids
   *
   * @public
   * @static
   * @see {@link https://github.com/adlnet/xAPI-Spec/blob/master/xAPI-Data.md#choice|xAPI-Spec}
   * @return {string}
   */
  XApiEventBuilder.createCorrectResponsePattern = function (ids) {
    return ids.join('[,]');
  };

  /**
   * Interaction types
   *
   * @readonly
   * @enum {String}
   */
  XApiEventBuilder.interactionTypes = {
    CHOICE: 'choice',
    COMPOUND: 'compound',
    FILL_IN: 'fill-in',
    MATCHING: 'matching',
    TRUE_FALSE: 'true-false'
  };

  /**
   * Verbs
   *
   * @readonly
   * @enum {String}
   */
  XApiEventBuilder.verbs = {
    ANSWERED: 'answered'
  };

  return XApiEventBuilder;
})(H5P.jQuery, H5P.EventDispatcher);
;
var H5P = H5P || {};
H5P.SingleChoiceSet = H5P.SingleChoiceSet || {};
/**
 * SingleChoiceResultSlide - Represents the result slide
 */
H5P.SingleChoiceSet.ResultSlide = (function ($, EventDispatcher) {

  /**
   * @constructor
   * @param {number} maxscore Max score
   */
  function ResultSlide(maxscore) {
    EventDispatcher.call(this);

    this.$feedbackContainer = $('<div>', {
      'class': 'h5p-sc-feedback-container',
      'tabindex': '-1'
    });

    this.$buttonContainer = $('<div/>', {
      'class': 'h5p-sc-button-container'
    });

    var $resultContainer = $('<div/>', {
      'class': 'h5p-sc-result-container'
    }).append(this.$feedbackContainer)
      .append(this.$buttonContainer);

    this.$resultSlide = $('<div>', {
      'class': 'h5p-sc-slide h5p-sc-set-results',
      'css': {left: (maxscore * 100) + '%'}
    }).append($resultContainer);
  }

  // inherits from EventDispatchers prototype
  ResultSlide.prototype = Object.create(EventDispatcher.prototype);

  // set the constructor
  ResultSlide.prototype.constructor = ResultSlide;

  /**
   * Focus feedback container.
   */
  ResultSlide.prototype.focusScore = function () {
    this.$feedbackContainer.focus();
  };

  /**
   * Append the resultslide to a container
   *
   * @param  {jQuery} $container The container
   * @return {jQuery}            This dom element
   */
  ResultSlide.prototype.appendTo = function ($container) {
    this.$resultSlide.appendTo($container);
    return this.$resultSlide;
  };

  return ResultSlide;
})(H5P.jQuery, H5P.EventDispatcher);
;
var H5P = H5P || {};
H5P.SingleChoiceSet = H5P.SingleChoiceSet || {};

H5P.SingleChoiceSet.SolutionView = (function ($, EventDispatcher) {
  /**
   * Constructor function.
   */
  function SolutionView(id, choices, l10n) {
    EventDispatcher.call(this);
    var self = this;
    self.id = id;
    this.choices = choices;
    self.l10n = l10n;

    this.$solutionView = $('<div>', {
      'class': 'h5p-sc-solution-view'
    });

    // Add header
    this.$header = $('<div>', {
      'class': 'h5p-sc-solution-view-header'
    }).appendTo(this.$solutionView);

    this.$title = $('<div>', {
      'class': 'h5p-sc-solution-view-title',
      'html': l10n.solutionViewTitle,
      'tabindex': '-1'
    });
    this.$title = this.addAriaPunctuation(this.$title);
    this.$header.append(this.$title);

    // Close solution view button
    $('<button>', {
      'role': 'button',
      'aria-label': l10n.closeButtonLabel + '.',
      'class': 'h5p-joubelui-button h5p-sc-close-solution-view',
      'click': function () {
        self.hide();
      }
    }).appendTo(this.$header);

    self.populate();
  }

  /**
   * Will append the solution view to a container DOM
   * @param  {jQuery} $container The DOM object to append to
   */
  SolutionView.prototype.appendTo = function ($container) {
    this.$solutionView.appendTo($container);
  };

  /**
   * Shows the solution view
   */
  SolutionView.prototype.show = function () {
    var self = this;
    self.$solutionView.addClass('visible');
    self.$title.focus();

    $(document).on('keyup.solutionview', function (event) {
      if (event.keyCode === 27) { // Escape
        self.hide();
        $(document).off('keyup.solutionview');
      }
    });
  };

  /**
   * Hides the solution view
   */
  SolutionView.prototype.hide = function () {
    this.$solutionView.removeClass('visible');
    this.trigger('hide', this);
  };


  /**
   * Populates the solution view
   */
  SolutionView.prototype.populate = function () {
    var self = this;
    self.$choices = $('<dl>', {
      'class': 'h5p-sc-solution-choices',
      'tabindex': -1,
    });

    this.choices.forEach(function (choice, index) {
      if (choice.question && choice.answers && choice.answers.length !== 0) {
        var $question = self.addAriaPunctuation($('<dt>', {
          'class': 'h5p-sc-solution-question',
          html: '<span class="h5p-hidden-read">' + self.l10n.solutionListQuestionNumber.replace(':num', index + 1) + '</span>' + choice.question
        }));

        self.$choices.append($question);

        var $answer = self.addAriaPunctuation($('<dd>', {
          'class': 'h5p-sc-solution-answer',
          html: choice.answers[0]
        }));

        self.$choices.append($answer);
      }
    });
    self.$choices.appendTo(this.$solutionView);
  };

  /**
   * If a jQuery elements text is missing punctuation, add an aria-label to the element
   * containing the text, and adding an extra "period"-symbol at the end.
   *
   * @param {jQuery} $element A jQuery-element
   * @returns {jQuery} The mutated jQuery-element
   */
  SolutionView.prototype.addAriaPunctuation = function ($element) {
    var text = $element.text().trim();

    if (!this.hasPunctuation(text)) {
      $element.attr('aria-label', text + '.');
    }

    return $element;
  };

  /**
   * Checks if a string ends with punctuation
   *
   * @private
   * @param {String} text Input string
   */
  SolutionView.prototype.hasPunctuation = function (text) {
    return /[,.?!]$/.test(text);
  };

  return SolutionView;
})(H5P.jQuery, H5P.EventDispatcher);
;
var H5P = H5P || {};
H5P.SingleChoiceSet = H5P.SingleChoiceSet || {};

H5P.SingleChoiceSet.Alternative = (function ($, EventDispatcher) {

  /**
   * @constructor
   *
   * @param {object} options Options for the alternative
   */
  function Alternative(options) {
    EventDispatcher.call(this);
    var self = this;

    this.options = options;

    var triggerAlternativeSelected = function (event) {
      self.trigger('alternative-selected', {
        correct: self.options.correct,
        $element: self.$alternative,
        answerIndex: self.options.answerIndex
      });

      event.preventDefault();
    };

    this.$alternative = $('<li>', {
      'class': 'h5p-sc-alternative h5p-sc-is-' + (this.options.correct ? 'correct' : 'wrong'),
      'role': 'button',
      'tabindex': -1,
      'on': {
        'keydown': function (event) {
          switch (event.which) {
            case 13: // Enter
            case 32: // Space
              // Answer question
              triggerAlternativeSelected(event);
              break;

            case 35: // End button
              // Go to previous Option
              self.trigger('lastOption', event);
              event.preventDefault();
              break;

            case 36: // Home button
              // Go to previous Option
              self.trigger('firstOption', event);
              event.preventDefault();
              break;

            case 37: // Left Arrow
            case 38: // Up Arrow
              // Go to previous Option
              self.trigger('previousOption', event);
              event.preventDefault();
              break;

            case 39: // Right Arrow
            case 40: // Down Arrow
              // Go to next Option
              self.trigger('nextOption', event);
              event.preventDefault();
              break;
          }
        }
      },
      'focus': function (event) {
        self.trigger('focus', event);
      },
      'click': triggerAlternativeSelected
    });

    this.$alternative.append($('<div>', {
      'class': 'h5p-sc-progressbar'
    }));

    this.$alternative.append($('<div>', {
      'class': 'h5p-sc-label',
      'html': this.options.text
    }));

    this.$alternative.append($('<div>', {
      'class': 'h5p-sc-status'
    }));
  }

  Alternative.prototype = Object.create(EventDispatcher.prototype);
  Alternative.prototype.constructor = Alternative;

  /**
   * Is this alternative the correct one?
   *
   * @return {boolean}  Correct or not?
   */
  Alternative.prototype.isCorrect = function () {
    return this.options.correct;
  };

  /**
   * Move focus to this option.
   */
  Alternative.prototype.focus = function () {
    this.$alternative.focus();
  };

  /**
   * Makes it possible to tab your way to this option.
   */
  Alternative.prototype.tabbable = function () {
    this.$alternative.attr('tabindex', 0);
  };

  /**
   * Make sure it's NOT possible to tab your way to this option.
   */
  Alternative.prototype.notTabbable = function () {
    this.$alternative.attr('tabindex', -1);
  };

  /**
   * Append the alternative to a DOM container
   *
   * @param  {jQuery} $container The Dom element to append to
   * @return {jQuery}            This dom element
   */
  Alternative.prototype.appendTo = function ($container) {
    $container.append(this.$alternative);
    return this.$alternative;
  };

  return Alternative;

})(H5P.jQuery, H5P.EventDispatcher);
;
var H5P = H5P || {};
H5P.SingleChoiceSet = H5P.SingleChoiceSet || {};

H5P.SingleChoiceSet.SingleChoice = (function ($, EventDispatcher, Alternative) {
  /**
   * Constructor function.
   */
  function SingleChoice(options, index, id) {
    EventDispatcher.call(this);
    // Extend defaults with provided options
    this.options = $.extend(true, {}, {
      question: '',
      answers: []
    }, options);
    // Keep provided id.
    this.index = index;
    this.id = id;
    this.answered = false;

    for (var i = 0; i < this.options.answers.length; i++) {
      this.options.answers[i] = {
        text: this.options.answers[i],
        correct: i === 0,
        answerIndex: i
      };
    }
    // Randomize alternatives
    this.options.answers = H5P.shuffleArray(this.options.answers);
  }

  SingleChoice.prototype = Object.create(EventDispatcher.prototype);
  SingleChoice.prototype.constructor = SingleChoice;

  /**
   * appendTo function invoked to append SingleChoice to container
   *
   * @param {jQuery} $container
   * @param {boolean} isCurrent Current slide we are on
   */
  SingleChoice.prototype.appendTo = function ($container, isCurrent) {
    var self = this;
    this.$container = $container;

    // Index of the currently focused option.
    var focusedOption;

    this.$choice = $('<div>', {
      'class': 'h5p-sc-slide h5p-sc' + (isCurrent ? ' h5p-sc-current-slide' : ''),
      css: {'left': (self.index * 100) + '%'}
    });

    var questionId = 'single-choice-' + self.id + '-question-' + self.index;

    this.$choice.append($('<div>', {
      'id': questionId,
      'class': 'h5p-sc-question',
      'html': this.options.question
    }));

    var $alternatives = $('<ul>', {
      'class': 'h5p-sc-alternatives',
      'role': 'application',
      'aria-labelledby': questionId
    });

    /**
     * List of Alternatives
     *
     * @type {Alternative[]}
     */
    this.alternatives = self.options.answers.map(function (opts) {
      return new Alternative(opts);
    });

    /**
     * Handles click on an alternative
     */
    var handleAlternativeSelected = function (event) {
      var $element = event.data.$element;
      var correct = event.data.correct;
      var answerIndex = event.data.answerIndex;

      if ($element.parent().hasClass('h5p-sc-selected')) {
        return;
      }

      self.trigger('alternative-selected', {
        correct: correct,
        index: self.index,
        answerIndex: answerIndex
      });

      H5P.Transition.onTransitionEnd($element.find('.h5p-sc-progressbar'), function () {
        $element.addClass('h5p-sc-drummed');
        self.showResult(correct, answerIndex);
      }, 700);

      $element.addClass('h5p-sc-selected').parent().addClass('h5p-sc-selected');

      // indicate that this question is anwered
      this.setAnswered(true);
    };

    /**
     * Handles focusing one of the options, making the rest non-tabbable.
     * @private
     */
    var handleFocus = function (answer, index) {
      // Keep track of currently focused option
      focusedOption = index;

      // remove tabbable all alternatives
      self.alternatives.forEach(function (alternative) {
        alternative.notTabbable();
      });
      answer.tabbable();
    };

    /**
     * Handles moving the focus from the current option to the previous option.
     * @private
     */
    var handlePreviousOption = function () {
      if (focusedOption === 0) {
        // wrap around to last
        this.focusOnAlternative(self.alternatives.length - 1);
      }
      else {
        this.focusOnAlternative(focusedOption - 1);
      }
    };

    /**
     * Handles moving the focus from the current option to the next option.
     * @private
     */
    var handleNextOption = function () {
      if ((focusedOption === this.alternatives.length - 1)) {
        // wrap around to first
        this.focusOnAlternative(0);
      }
      else {
        this.focusOnAlternative(focusedOption + 1);
      }
    };

    /**
     * Handles moving the focus to the first option
     * @private
     */
    var handleFirstOption = function () {
      this.focusOnAlternative(0);
    };

    /**
     * Handles moving the focus to the last option
     * @private
     */
    var handleLastOption = function () {
      this.focusOnAlternative(self.alternatives.length - 1);
    };

    for (var i = 0; i < this.alternatives.length; i++) {
      var alternative = this.alternatives[i];

      if (i === 0) {
        alternative.tabbable();
      }

      alternative.appendTo($alternatives);
      alternative.on('focus', handleFocus.bind(this, alternative, i), this);
      alternative.on('alternative-selected', handleAlternativeSelected, this);
      alternative.on('previousOption', handlePreviousOption, this);
      alternative.on('nextOption', handleNextOption, this);
      alternative.on('firstOption', handleFirstOption, this);
      alternative.on('lastOption', handleLastOption, this);

    }

    this.$choice.append($alternatives);
    $container.append(this.$choice);
    return this.$choice;
  };

  /**
   * Focus on an alternative by index
   *
   * @param {Number} index The index of the alternative to focus on
   */
  SingleChoice.prototype.focusOnAlternative = function (index) {
    if (!this.answered) {
      this.alternatives[index].focus();
    }
  };

  /**
   * Sets if the question was answered
   *
   * @param {Boolean} answered If this question was answered
   */
  SingleChoice.prototype.setAnswered = function (answered) {
    this.answered = answered;
  };

  /**
   * Reveals the result for a question
   *
   * @param  {boolean} correct True uf answer was correct, otherwise false
   * @param  {number} answerIndex Original index of answer
   */
  SingleChoice.prototype.showResult = function (correct, answerIndex) {
    var self = this;

    var $correctAlternative = self.$choice.find('.h5p-sc-is-correct');

    H5P.Transition.onTransitionEnd($correctAlternative, function () {
      self.trigger('finished', {
        correct: correct,
        index: self.index,
        answerIndex: answerIndex
      });
    }, 600);

    // Reveal corrects and wrong
    self.$choice.find('.h5p-sc-is-wrong').addClass('h5p-sc-reveal-wrong');
    $correctAlternative.addClass('h5p-sc-reveal-correct');
  };

  return SingleChoice;

})(H5P.jQuery, H5P.EventDispatcher, H5P.SingleChoiceSet.Alternative);
;
var H5P = H5P || {};

H5P.SingleChoiceSet = (function ($, UI, Question, SingleChoice, SolutionView, ResultSlide, SoundEffects, XApiEventBuilder, StopWatch) {
  /**
   * @constructor
   * @extends Question
   * @param {object} options Options for single choice set
   * @param {string} contentId H5P instance id
   * @param {Object} contentData H5P instance data
   */
  function SingleChoiceSet(options, contentId, contentData) {
    var self = this;

    // Extend defaults with provided options
    this.contentId = contentId;
    this.contentData = contentData;
    Question.call(this, 'single-choice-set');
    this.options = $.extend(true, {}, {
      choices: [],
      overallFeedback: [],
      behaviour: {
        autoContinue: true,
        timeoutCorrect: 2000,
        timeoutWrong: 3000,
        soundEffectsEnabled: true,
        enableRetry: true,
        enableSolutionsButton: true,
        passPercentage: 100
      }
    }, options);
    if (contentData && contentData.previousState !== undefined) {
      this.currentIndex = contentData.previousState.progress;
      this.results = contentData.previousState.answers;
    }
    this.currentIndex = this.currentIndex || 0;
    this.results = this.results || {
      corrects: 0,
      wrongs: 0
    };

    if (!this.options.behaviour.autoContinue) {
      this.options.behaviour.timeoutCorrect = 0;
      this.options.behaviour.timeoutWrong = 0;
    }

    /**
     * @property {StopWatch[]} Stop watches for tracking duration of slides
     */
    this.stopWatches = [];
    this.startStopWatch(this.currentIndex);

    /**
     * The users input on the questions. Uses the same index as this.options.choices
     * @type {number[]}
     */
    this.userResponses = [];

    this.muted = (this.options.behaviour.soundEffectsEnabled === false);

    this.l10n = H5P.jQuery.extend({
      correctText: 'Correct!',
      incorrectText: 'Incorrect! Correct answer was: :text',
      nextButtonLabel: 'Next question',
      showSolutionButtonLabel: 'Show solution',
      retryButtonLabel: 'Retry',
      closeButtonLabel: 'Close',
      solutionViewTitle: 'Solution',
      slideOfTotal: 'Slide :num of :total',
      muteButtonLabel: "Mute feedback sound",
      scoreBarLabel: 'You got :num out of :total points',
      solutionListQuestionNumber: 'Question :num',
      a11yShowSolution: 'Show the solution. The task will be marked with its correct solution.',
      a11yRetry: 'Retry the task. Reset all responses and start the task over again.',
    }, options.l10n !== undefined ? options.l10n : {});

    this.$container = $('<div>', {
      'class': 'h5p-sc-set-wrapper navigatable' + (!this.options.behaviour.autoContinue ? ' next-button-mode' : '')
    });

    this.$slides = [];
    // An array containing the SingleChoice instances
    this.choices = [];

    /**
     * Keeps track of buttons that will be hidden
     * @type {Array}
     */
    self.buttonsToBeHidden = [];

    /**
     * The solution dialog
     * @type {SolutionView}
     */
    this.solutionView = new SolutionView(contentId, this.options.choices, this.l10n);

    this.$choices = $('<div>', {
      'class': 'h5p-sc-set h5p-sc-animate'
    });

    // sometimes an empty object is in the choices
    this.options.choices = this.options.choices.filter(function (choice) {
      return choice !== undefined && !!choice.answers;
    });

    var numQuestions = this.options.choices.length;

    // Create progressbar
    self.progressbar = UI.createProgressbar(numQuestions + 1, {
      progressText: this.l10n.slideOfTotal
    });
    self.progressbar.setProgress(this.currentIndex);

    for (var i = 0; i < this.options.choices.length; i++) {
      var choice = new SingleChoice(this.options.choices[i], i, this.contentId);
      choice.on('finished', this.handleQuestionFinished, this);
      choice.on('alternative-selected', this.handleAlternativeSelected, this);
      choice.appendTo(this.$choices, (i === this.currentIndex));
      this.choices.push(choice);
      this.$slides.push(choice.$choice);
    }

    this.resultSlide = new ResultSlide(this.options.choices.length);
    this.resultSlide.appendTo(this.$choices);
    this.resultSlide.on('retry', this.resetTask, this);
    this.resultSlide.on('view-solution', this.handleViewSolution, this);
    this.$slides.push(this.resultSlide.$resultSlide);
    this.on('resize', this.resize, this);

    // Use the correct starting slide
    this.recklessJump(this.currentIndex);

    if (this.options.choices.length === this.currentIndex) {
      // Make sure results slide is displayed
      this.resultSlide.$resultSlide.addClass('h5p-sc-current-slide');
      this.setScore(this.results.corrects, true);
    }

    if (!this.muted) {
      setTimeout(function () {
        SoundEffects.setup(self.getLibraryFilePath(''));
      }, 1);
    }

    /**
     * Override Question's hideButton function
     * to be able to hide buttons after delay
     *
     * @override
     * @param {string} id
     */
    this.superHideButton = self.hideButton;
    this.hideButton = (function () {
      return function (id) {

        if (!self.scoreTimeout) {
          return self.superHideButton(id);
        }

        self.buttonsToBeHidden.push(id);
        return this;
      };
    })();
  }

  SingleChoiceSet.prototype = Object.create(Question.prototype);
  SingleChoiceSet.prototype.constructor = SingleChoiceSet;

  /**
   * Set if a element is tabbable or not
   *
   * @param {jQuery} $element The element
   * @param {boolean} tabbable If element should be tabbable
   * @returns {jQuery} The element
   */
  SingleChoiceSet.prototype.setTabbable = function ($element, tabbable) {
    if ($element) {
      $element.attr('tabindex', tabbable ? 0 : -1);
    }
  };

  /**
   * Handle alternative selected, i.e play sound if sound effects are enabled
   *
   * @method handleAlternativeSelected
   * @param  {Object} event Event that was fired
   */
  SingleChoiceSet.prototype.handleAlternativeSelected = function (event) {
    var self = this;
    this.lastAnswerIsCorrect = event.data.correct;

    self.toggleNextButton(true);

    // Keep track of num correct/wrong answers
    this.results[this.lastAnswerIsCorrect ? 'corrects' : 'wrongs']++;

    self.triggerXAPI('interacted');

    // correct answer
    var correctAnswer = self.$choices.find('.h5p-sc-is-correct').text();

    // Announce by ARIA if answer is correct or incorrect
    var text = this.lastAnswerIsCorrect ? self.l10n.correctText : (self.l10n.incorrectText.replace(':text', correctAnswer));
    self.read(text);

    if (!this.muted) {
      // Can't play it after the transition end is received, since this is not
      // accepted on iPad. Therefore we are playing it here with a delay instead
      SoundEffects.play(this.lastAnswerIsCorrect ? 'positive-short' : 'negative-short', 700);
    }
  };

  /**
   * Handler invoked when question is done
   *
   * @param  {object} event An object containing a single boolean property: "correct".
   */
  SingleChoiceSet.prototype.handleQuestionFinished = function (event) {
    var self = this;

    var index = event.data.index;

    // saves user response
    var userResponse = self.userResponses[index] = event.data.answerIndex;

    // trigger answered event
    var duration = this.stopStopWatch(index);
    var xapiEvent = self.createXApiAnsweredEvent(self.options.choices[index], userResponse, duration);

    self.trigger(xapiEvent);

    self.continue();
  };

  /**
   * Setup auto continue
   */
  SingleChoiceSet.prototype.continue = function () {
    var self = this;

    if (!self.options.behaviour.autoContinue) {
      // Set focus to next button
      self.$nextButton.focus();
      return;
    }

    var timeout;
    var letsMove = function () {
      // Handle impatient users
      self.$container.off('click.impatient keydown.impatient');
      clearTimeout(timeout);
      self.next();
    };

    timeout = setTimeout(function () {
      letsMove();
    }, self.lastAnswerIsCorrect ? self.options.behaviour.timeoutCorrect : self.options.behaviour.timeoutWrong);

    self.onImpatientUser(letsMove);
  };

  /**
   * Listen to impatience
   * @param  {Function} action Callback
   */
  SingleChoiceSet.prototype.onImpatientUser = function (action) {
    this.$container.off('click.impatient keydown.impatient');

    this.$container.one('click.impatient', action);
    this.$container.one('keydown.impatient', function (event) {
      // If return, space or right arrow
      if ([13,32,39].indexOf(event.which)) {
        action();
      }
    });
  };

  /**
   * Go to next slide
   */
  SingleChoiceSet.prototype.next = function () {
    this.move(this.currentIndex + 1);
  };

  /**
   * Creates an xAPI answered event
   *
   * @param {object} question
   * @param {number} userAnswer
   * @param {number} duration
   *
   * @return {H5P.XAPIEvent}
   */
  SingleChoiceSet.prototype.createXApiAnsweredEvent = function (question, userAnswer, duration) {
    var self = this;
    var types = XApiEventBuilder.interactionTypes;

    // creates the definition object
    var definition = XApiEventBuilder.createDefinition()
      .interactionType(types.CHOICE)
      .description(question.question)
      .correctResponsesPattern(self.getXApiCorrectResponsePattern())
      .optional( self.getXApiChoices(question.answers))
      .build();

    // create the result object
    var result = XApiEventBuilder.createResult()
      .response(userAnswer.toString())
      .duration(duration)
      .score((userAnswer === 0) ? 1 : 0, 1)
      .completion(true)
      .success(userAnswer === 0)
      .build();

    return XApiEventBuilder.create()
      .verb(XApiEventBuilder.verbs.ANSWERED)
      .objectDefinition(definition)
      .context(self.contentId, self.subContentId)
      .contentId(self.contentId, question.subContentId)
      .result(result)
      .build();
  };

  /**
   * Returns the 'correct response pattern' for xApi
   *
   * @return {string[]}
   */
  SingleChoiceSet.prototype.getXApiCorrectResponsePattern = function () {
    return [XApiEventBuilder.createCorrectResponsePattern([(0).toString()])]; // is always '0' for SCS
  };

  /**
   * Returns the choices array for xApi statements
   *
   * @param {String[]} answers
   *
   * @return {{ choices: []}}
   */
  SingleChoiceSet.prototype.getXApiChoices = function (answers) {
    var choices = answers.map(function (answer, index) {
      return XApiEventBuilder.createChoice(index.toString(), answer);
    });

    return {
      choices: choices
    };
  };

  /**
   * Handles buttons that are queued for hiding
   */
  SingleChoiceSet.prototype.handleQueuedButtonChanges = function () {
    var self = this;

    if (self.buttonsToBeHidden.length) {
      self.buttonsToBeHidden.forEach(function (id) {
        self.superHideButton(id);
      });
    }
    self.buttonsToBeHidden = [];
  };

  /**
   * Set score and feedback
   *
   * @params {Number} score Number of correct answers
   */
  SingleChoiceSet.prototype.setScore = function (score, noXAPI) {
    var self = this;

    if (!self.choices.length) {
      return;
    }

    var feedbackText = determineOverallFeedback(self.options.overallFeedback , score / self.options.choices.length)
      .replace(':numcorrect', score)
      .replace(':maxscore', self.options.choices.length.toString());

    self.setFeedback(feedbackText, score, self.options.choices.length, self.l10n.scoreBarLabel);

    if (score === self.options.choices.length) {
      self.hideButton('try-again');
      self.hideButton('show-solution');
    }
    else {
      self.showButton('try-again');
      self.showButton('show-solution');
    }
    self.handleQueuedButtonChanges();
    self.scoreTimeout = undefined;

    if (!noXAPI) {
      self.triggerXAPIScored(score, self.options.choices.length, 'completed', true, (100 * score / self.options.choices.length) >= self.options.behaviour.passPercentage);
    }

    self.trigger('resize');
  };

  /**
   * Handler invoked when view solution is selected
   */
  SingleChoiceSet.prototype.handleViewSolution = function () {
    var self = this;

    var $tryAgainButton = $('.h5p-question-try-again', self.$container);
    var $showSolutionButton = $('.h5p-question-show-solution', self.$container);
    var buttons = [self.$muteButton, $tryAgainButton, $showSolutionButton];

    // remove tabbable for buttons in result view
    buttons.forEach(function (button) {
      self.setTabbable(button, false);
    });

    self.solutionView.on('hide', function () {
      // re-add tabbable for buttons in result view
      buttons.forEach(function (button) {
        self.setTabbable(button, true);
      });
      self.toggleAriaVisibility(true);
      // Focus on first button when closing solution view
      self.focusButton();
    });

    self.solutionView.show();
    self.toggleAriaVisibility(false);
  };

  /**
   * Toggle elements visibility to Assistive Technologies
   *
   * @param {boolean} enable Make elements visible
   */
  SingleChoiceSet.prototype.toggleAriaVisibility = function (enable) {
    var self = this;
    var ariaHidden = enable ? '' : 'true';
    if (self.$muteButton) {
      self.$muteButton.attr('aria-hidden', ariaHidden);
    }
    self.progressbar.$progressbar.attr('aria-hidden', ariaHidden);
    self.$choices.attr('aria-hidden', ariaHidden);
  };

  /**
   * Register DOM elements before they are attached.
   * Called from H5P.Question.
   */
  SingleChoiceSet.prototype.registerDomElements = function () {
    // Register task content area.
    this.setContent(this.createQuestion());

    // Register buttons with question.
    this.addButtons();

    // Insert feedback and buttons section on the result slide
    this.insertSectionAtElement('feedback', this.resultSlide.$feedbackContainer);
    this.insertSectionAtElement('scorebar', this.resultSlide.$feedbackContainer);
    this.insertSectionAtElement('buttons', this.resultSlide.$buttonContainer);

    // Question is finished
    if (this.options.choices.length === this.currentIndex) {
      this.trigger('question-finished');
    }

    this.trigger('resize');
  };

  /**
   * Add Buttons to question.
   */
  SingleChoiceSet.prototype.addButtons = function () {
    var self = this;

    if (this.options.behaviour.enableRetry) {
      this.addButton('try-again', this.l10n.retryButtonLabel, function () {
        self.resetTask();
      }, self.results.corrects !== self.options.choices.length, {
        'aria-label': this.l10n.a11yRetry,
      });
    }

    if (this.options.behaviour.enableSolutionsButton) {
      this.addButton('show-solution', this.l10n.showSolutionButtonLabel, function () {
        self.showSolutions();
      }, self.results.corrects !== self.options.choices.length, {
        'aria-label': this.l10n.a11yShowSolution,
      });
    }
  };

  /**
   * Create main content
   */
  SingleChoiceSet.prototype.createQuestion = function () {
    var self = this;

    self.progressbar.appendTo(self.$container);
    self.$container.append(self.$choices);

    function toggleMute(event) {
      var $button = $(event.target);
      event.preventDefault();
      self.muted = !self.muted;
      $button.attr('aria-pressed', self.muted);
    }

    // Keep this out of H5P.Question, since we are moving the button & feedback
    // region to the last slide
    if (!this.options.behaviour.autoContinue) {

      var handleNextClick = function () {
        if (self.$nextButton.attr('aria-disabled') !== 'true') {
          self.next();
        }
      };

      self.$nextButton = UI.createButton({
        'class': 'h5p-ssc-next-button',
        'aria-label': self.l10n.nextButtonLabel,
        click: handleNextClick,
        keydown: function (event) {
          switch (event.which) {
            case 13: // Enter
            case 32: // Space
              handleNextClick();
              event.preventDefault();
          }
        },
        appendTo: self.$container
      });
      self.toggleNextButton(false);
    }

    if (self.options.behaviour.soundEffectsEnabled) {
      self.$muteButton = $('<div>', {
        'class': 'h5p-sc-sound-control',
        'tabindex': 0,
        'role': 'button',
        'aria-label': self.l10n.muteButtonLabel,
        'aria-pressed': false,
        'on': {
          'keydown': function (event) {
            switch (event.which) {
              case 13: // Enter
              case 32: // Space
                toggleMute(event);
                break;
            }
          }
        },
        'click': toggleMute,
        appendTo: self.$container
      });
    }

    // Append solution view - hidden by default:
    self.solutionView.appendTo(self.$container);

    self.resize();

    // Hide all other slides than the current one:
    self.$container.addClass('initialized');

    return self.$container;
  };

  /**
   * Resize if something outside resizes
   */
  SingleChoiceSet.prototype.resize = function () {
    var self = this;
    var maxHeight = 0;
    self.choices.forEach(function (choice) {
      var choiceHeight = choice.$choice.outerHeight();
      maxHeight = choiceHeight > maxHeight ? choiceHeight : maxHeight;
    });

    // Set minimum height for choices
    self.$choices.css({minHeight: maxHeight + 'px'});
  };

  /**
   * Disable/enable the next button
   * @param  {boolean} enable
   */
  SingleChoiceSet.prototype.toggleNextButton = function (enable) {
    if (this.$nextButton) {
      this.$nextButton.attr('aria-disabled', !enable);
    }
  };

  /**
   * Will jump to the given slide without any though to animations,
   * current slide etc.
   *
   * @public
   */
  SingleChoiceSet.prototype.recklessJump = function (index) {
    var tX = 'translateX(' + (-index * 100) + '%)';
    this.$choices.css({
      '-webkit-transform': tX,
      '-moz-transform': tX,
      '-ms-transform': tX,
      'transform': tX
    });
    this.progressbar.setProgress(index + 1);
  };

  /**
   * Move to slide n
   * @param  {number} index The slide number    to move to
   */
  SingleChoiceSet.prototype.move = function (index) {
    var self = this;
    if (index === this.currentIndex || index > self.$slides.length-1) {
      return;
    }

    var $previousSlide = self.$slides[self.currentIndex];
    var $currentChoice = self.choices[index];
    var $currentSlide = self.$slides[index];
    var isResultSlide = (index >= self.choices.length);

    self.toggleNextButton(false);

    H5P.Transition.onTransitionEnd(self.$choices, function () {
      $previousSlide.removeClass('h5p-sc-current-slide');

      // on slides with answers focus on first alternative
      if (!isResultSlide) {
        $currentChoice.focusOnAlternative(0);
      }
      // on last slide, focus on try again button
      else {
        self.resultSlide.focusScore();
      }
    }, 600);

    // if should show result slide
    if (isResultSlide) {
      self.setScore(self.results.corrects);
    }

    self.$container.toggleClass('navigatable', !isResultSlide);

    // start timing of new slide
    this.startStopWatch(index);

    // move to slide
    $currentSlide.addClass('h5p-sc-current-slide');
    self.recklessJump(index);

    self.currentIndex = index;
  };

  /**
   * Starts a stopwatch for indexed slide
   *
   * @param {number} index
   */
  SingleChoiceSet.prototype.startStopWatch = function (index) {
    this.stopWatches[index] = this.stopWatches[index] || new StopWatch();
    this.stopWatches[index].start();
  };

  /**
   * Stops a stopwatch for indexed slide
   *
   * @param {number} index
   */
  SingleChoiceSet.prototype.stopStopWatch = function (index) {
    if (this.stopWatches[index]) {
      this.stopWatches[index].stop();
    }
  };

  /**
   * Returns the passed time in seconds of a stopwatch on an indexed slide,
   * or 0 if not existing
   *
   * @param {number} index
   * @return {number}
   */
  SingleChoiceSet.prototype.timePassedInStopWatch = function (index) {
    if (this.stopWatches[index] !== undefined) {
      return this.stopWatches[index].passedTime();
    }
    else {
      // if not created, return no passed time,
      return 0;
    }
  };

  /**
   * Returns the time the user has spent on all questions so far
   *
   * @return {number}
   */
  SingleChoiceSet.prototype.getTotalPassedTime = function () {
    return this.stopWatches
      .filter(function (watch) {
        return watch != undefined;
      })
      .reduce(function (sum, watch) {
        return sum + watch.passedTime();
      }, 0);
  };

  /**
   * The following functions implements the CP and IV - Contracts v 1.0 documented here:
   * http://h5p.org/node/1009
   */
  SingleChoiceSet.prototype.getScore = function () {
    return this.results.corrects;
  };

  SingleChoiceSet.prototype.getMaxScore = function () {
    return this.options.choices.length;
  };

  SingleChoiceSet.prototype.getAnswerGiven = function () {
    return (this.results.corrects + this.results.wrongs) > 0;
  };

  SingleChoiceSet.prototype.getTitle = function () {
    return H5P.createTitle((this.contentData && this.contentData.metadata && this.contentData.metadata.title) ? this.contentData.metadata.title : 'Single Choice Set');
  };

  /**
   * Retrieves the xAPI data necessary for generating result reports.
   *
   * @return {object}
   */
  SingleChoiceSet.prototype.getXAPIData = function () {
    var self = this;

    // create array with userAnswer
    var children =  self.options.choices.map(function (question, index) {
      var userResponse = self.userResponses[index] >= 0 ? self.userResponses[index] : '';
      var duration = self.timePassedInStopWatch(index);
      var event = self.createXApiAnsweredEvent(question, userResponse, duration);

      return {
        statement: event.data.statement
      };
    });

    var result = XApiEventBuilder.createResult()
      .score(self.getScore(), self.getMaxScore())
      .duration(self.getTotalPassedTime())
      .build();

    // creates the definition object
    var definition = XApiEventBuilder.createDefinition()
      .interactionType(XApiEventBuilder.interactionTypes.COMPOUND)
      .build();

    var xAPIEvent = XApiEventBuilder.create()
      .verb(XApiEventBuilder.verbs.ANSWERED)
      .contentId(self.contentId, self.subContentId)
      .context(self.getParentAttribute('contentId'), self.getParentAttribute('subContentId'))
      .objectDefinition(definition)
      .result(result)
      .build();

    return {
      statement: xAPIEvent.data.statement,
      children: children
    };
  };

  /**
   * Returns an attribute from this.parent if it exists
   *
   * @param {string} attributeName
   * @return {*|undefined}
   */
  SingleChoiceSet.prototype.getParentAttribute = function (attributeName) {
    var self = this;

    if (self.parent !== undefined) {
      return self.parent[attributeName];
    }
  };

  SingleChoiceSet.prototype.showSolutions = function () {
    this.handleViewSolution();
  };

  /**
   * Reset all answers. This is equal to refreshing the quiz
   */
  SingleChoiceSet.prototype.resetTask = function () {
    var self = this;

    // Close solution view if visible:
    this.solutionView.hide();

    // Reset the user's answers
    var classes = ['h5p-sc-reveal-wrong', 'h5p-sc-reveal-correct', 'h5p-sc-selected', 'h5p-sc-drummed', 'h5p-sc-correct-answer'];
    for (var i = 0; i < classes.length; i++) {
      this.$choices.find('.' + classes[i]).removeClass(classes[i]);
    }
    this.results = {
      corrects: 0,
      wrongs: 0
    };

    this.choices.forEach(function (choice) {
      choice.setAnswered(false);
    });

    this.stopWatches.forEach(function (stopWatch) {
      if (stopWatch) {
        stopWatch.reset();
      }
    });

    this.move(0);

    // Wait for transition, then remove feedback.
    H5P.Transition.onTransitionEnd(this.$choices, function () {
      self.removeFeedback();
    }, 600);
  };

  /**
   * Clever comment.
   *
   * @public
   * @returns {object}
   */
  SingleChoiceSet.prototype.getCurrentState = function () {
    return {
      progress: this.currentIndex,
      answers: this.results
    };
  };

  /**
   * Determine the overall feedback to display for the question.
   * Returns empty string if no matching range is found.
   *
   * @param {Object[]} feedbacks
   * @param {number} scoreRatio
   * @return {string}
   */
  var determineOverallFeedback = function (feedbacks, scoreRatio) {
    scoreRatio = Math.floor(scoreRatio * 100);

    for (var i = 0; i < feedbacks.length; i++) {
      var feedback = feedbacks[i];
      var hasFeedback = (feedback.feedback !== undefined && feedback.feedback.trim().length !== 0);

      if (feedback.from <= scoreRatio && feedback.to >= scoreRatio && hasFeedback) {
        return feedback.feedback;
      }
    }

    return '';
  };

  return SingleChoiceSet;
})(H5P.jQuery, H5P.JoubelUI, H5P.Question, H5P.SingleChoiceSet.SingleChoice, H5P.SingleChoiceSet.SolutionView, H5P.SingleChoiceSet.ResultSlide, H5P.SingleChoiceSet.SoundEffects, H5P.SingleChoiceSet.XApiEventBuilder, H5P.SingleChoiceSet.StopWatch);
;
var oldJQuery = jQuery;
jQuery = H5P.jQuery;

/*! jQuery UI - v1.10.2 - 2013-03-14
* http://jqueryui.com
* Includes: jquery.ui.core.js, jquery.ui.widget.js, jquery.ui.mouse.js, jquery.ui.draggable.js, jquery.ui.droppable.js, jquery.ui.resizable.js, jquery.ui.selectable.js, jquery.ui.sortable.js, jquery.ui.effect.js, jquery.ui.accordion.js, jquery.ui.autocomplete.js, jquery.ui.button.js, jquery.ui.datepicker.js, jquery.ui.dialog.js, jquery.ui.effect-blind.js, jquery.ui.effect-bounce.js, jquery.ui.effect-clip.js, jquery.ui.effect-drop.js, jquery.ui.effect-explode.js, jquery.ui.effect-fade.js, jquery.ui.effect-fold.js, jquery.ui.effect-highlight.js, jquery.ui.effect-pulsate.js, jquery.ui.effect-scale.js, jquery.ui.effect-shake.js, jquery.ui.effect-slide.js, jquery.ui.effect-transfer.js, jquery.ui.menu.js, jquery.ui.position.js, jquery.ui.progressbar.js, jquery.ui.slider.js, jquery.ui.spinner.js, jquery.ui.tabs.js, jquery.ui.tooltip.js
* Copyright 2013 jQuery Foundation and other contributors; Licensed MIT */
(function( $, undefined ) {

var uuid = 0,
	runiqueId = /^ui-id-\d+$/;

// $.ui might exist from components with no dependencies, e.g., $.ui.position
$.ui = $.ui || {};

$.extend( $.ui, {
	version: "1.10.2",

	keyCode: {
		BACKSPACE: 8,
		COMMA: 188,
		DELETE: 46,
		DOWN: 40,
		END: 35,
		ENTER: 13,
		ESCAPE: 27,
		HOME: 36,
		LEFT: 37,
		NUMPAD_ADD: 107,
		NUMPAD_DECIMAL: 110,
		NUMPAD_DIVIDE: 111,
		NUMPAD_ENTER: 108,
		NUMPAD_MULTIPLY: 106,
		NUMPAD_SUBTRACT: 109,
		PAGE_DOWN: 34,
		PAGE_UP: 33,
		PERIOD: 190,
		RIGHT: 39,
		SPACE: 32,
		TAB: 9,
		UP: 38
	}
});

// plugins
$.fn.extend({
	focus: (function( orig ) {
		return function( delay, fn ) {
			return typeof delay === "number" ?
				this.each(function() {
					var elem = this;
					setTimeout(function() {
						$( elem ).focus();
						if ( fn ) {
							fn.call( elem );
						}
					}, delay );
				}) :
				orig.apply( this, arguments );
		};
	})( $.fn.focus ),

	scrollParent: function() {
		var scrollParent;
		if (($.ui.ie && (/(static|relative)/).test(this.css("position"))) || (/absolute/).test(this.css("position"))) {
			scrollParent = this.parents().filter(function() {
				return (/(relative|absolute|fixed)/).test($.css(this,"position")) && (/(auto|scroll)/).test($.css(this,"overflow")+$.css(this,"overflow-y")+$.css(this,"overflow-x"));
			}).eq(0);
		} else {
			scrollParent = this.parents().filter(function() {
				return (/(auto|scroll)/).test($.css(this,"overflow")+$.css(this,"overflow-y")+$.css(this,"overflow-x"));
			}).eq(0);
		}

		return (/fixed/).test(this.css("position")) || !scrollParent.length ? $(document) : scrollParent;
	},

	zIndex: function( zIndex ) {
		if ( zIndex !== undefined ) {
			return this.css( "zIndex", zIndex );
		}

		if ( this.length ) {
			var elem = $( this[ 0 ] ), position, value;
			while ( elem.length && elem[ 0 ] !== document ) {
				// Ignore z-index if position is set to a value where z-index is ignored by the browser
				// This makes behavior of this function consistent across browsers
				// WebKit always returns auto if the element is positioned
				position = elem.css( "position" );
				if ( position === "absolute" || position === "relative" || position === "fixed" ) {
					// IE returns 0 when zIndex is not specified
					// other browsers return a string
					// we ignore the case of nested elements with an explicit value of 0
					// <div style="z-index: -10;"><div style="z-index: 0;"></div></div>
					value = parseInt( elem.css( "zIndex" ), 10 );
					if ( !isNaN( value ) && value !== 0 ) {
						return value;
					}
				}
				elem = elem.parent();
			}
		}

		return 0;
	},

	uniqueId: function() {
		return this.each(function() {
			if ( !this.id ) {
				this.id = "ui-id-" + (++uuid);
			}
		});
	},

	removeUniqueId: function() {
		return this.each(function() {
			if ( runiqueId.test( this.id ) ) {
				$( this ).removeAttr( "id" );
			}
		});
	}
});

// selectors
function focusable( element, isTabIndexNotNaN ) {
	var map, mapName, img,
		nodeName = element.nodeName.toLowerCase();
	if ( "area" === nodeName ) {
		map = element.parentNode;
		mapName = map.name;
		if ( !element.href || !mapName || map.nodeName.toLowerCase() !== "map" ) {
			return false;
		}
		img = $( "img[usemap=#" + mapName + "]" )[0];
		return !!img && visible( img );
	}
	return ( /input|select|textarea|button|object/.test( nodeName ) ?
		!element.disabled :
		"a" === nodeName ?
			element.href || isTabIndexNotNaN :
			isTabIndexNotNaN) &&
		// the element and all of its ancestors must be visible
		visible( element );
}

function visible( element ) {
	return $.expr.filters.visible( element ) &&
		!$( element ).parents().addBack().filter(function() {
			return $.css( this, "visibility" ) === "hidden";
		}).length;
}

$.extend( $.expr[ ":" ], {
	data: $.expr.createPseudo ?
		$.expr.createPseudo(function( dataName ) {
			return function( elem ) {
				return !!$.data( elem, dataName );
			};
		}) :
		// support: jQuery <1.8
		function( elem, i, match ) {
			return !!$.data( elem, match[ 3 ] );
		},

	focusable: function( element ) {
		return focusable( element, !isNaN( $.attr( element, "tabindex" ) ) );
	},

	tabbable: function( element ) {
		var tabIndex = $.attr( element, "tabindex" ),
			isTabIndexNaN = isNaN( tabIndex );
		return ( isTabIndexNaN || tabIndex >= 0 ) && focusable( element, !isTabIndexNaN );
	}
});

// support: jQuery <1.8
if ( !$( "<a>" ).outerWidth( 1 ).jquery ) {
	$.each( [ "Width", "Height" ], function( i, name ) {
		var side = name === "Width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ],
			type = name.toLowerCase(),
			orig = {
				innerWidth: $.fn.innerWidth,
				innerHeight: $.fn.innerHeight,
				outerWidth: $.fn.outerWidth,
				outerHeight: $.fn.outerHeight
			};

		function reduce( elem, size, border, margin ) {
			$.each( side, function() {
				size -= parseFloat( $.css( elem, "padding" + this ) ) || 0;
				if ( border ) {
					size -= parseFloat( $.css( elem, "border" + this + "Width" ) ) || 0;
				}
				if ( margin ) {
					size -= parseFloat( $.css( elem, "margin" + this ) ) || 0;
				}
			});
			return size;
		}

		$.fn[ "inner" + name ] = function( size ) {
			if ( size === undefined ) {
				return orig[ "inner" + name ].call( this );
			}

			return this.each(function() {
				$( this ).css( type, reduce( this, size ) + "px" );
			});
		};

		$.fn[ "outer" + name] = function( size, margin ) {
			if ( typeof size !== "number" ) {
				return orig[ "outer" + name ].call( this, size );
			}

			return this.each(function() {
				$( this).css( type, reduce( this, size, true, margin ) + "px" );
			});
		};
	});
}

// support: jQuery <1.8
if ( !$.fn.addBack ) {
	$.fn.addBack = function( selector ) {
		return this.add( selector == null ?
			this.prevObject : this.prevObject.filter( selector )
		);
	};
}

// support: jQuery 1.6.1, 1.6.2 (http://bugs.jquery.com/ticket/9413)
if ( $( "<a>" ).data( "a-b", "a" ).removeData( "a-b" ).data( "a-b" ) ) {
	$.fn.removeData = (function( removeData ) {
		return function( key ) {
			if ( arguments.length ) {
				return removeData.call( this, $.camelCase( key ) );
			} else {
				return removeData.call( this );
			}
		};
	})( $.fn.removeData );
}





// deprecated
$.ui.ie = !!/msie [\w.]+/.exec( navigator.userAgent.toLowerCase() );

$.support.selectstart = "onselectstart" in document.createElement( "div" );
$.fn.extend({
	disableSelection: function() {
		return this.bind( ( $.support.selectstart ? "selectstart" : "mousedown" ) +
			".ui-disableSelection", function( event ) {
				event.preventDefault();
			});
	},

	enableSelection: function() {
		return this.unbind( ".ui-disableSelection" );
	}
});

$.extend( $.ui, {
	// $.ui.plugin is deprecated.  Use the proxy pattern instead.
	plugin: {
		add: function( module, option, set ) {
			var i,
				proto = $.ui[ module ].prototype;
			for ( i in set ) {
				proto.plugins[ i ] = proto.plugins[ i ] || [];
				proto.plugins[ i ].push( [ option, set[ i ] ] );
			}
		},
		call: function( instance, name, args ) {
			var i,
				set = instance.plugins[ name ];
			if ( !set || !instance.element[ 0 ].parentNode || instance.element[ 0 ].parentNode.nodeType === 11 ) {
				return;
			}

			for ( i = 0; i < set.length; i++ ) {
				if ( instance.options[ set[ i ][ 0 ] ] ) {
					set[ i ][ 1 ].apply( instance.element, args );
				}
			}
		}
	},

	// only used by resizable
	hasScroll: function( el, a ) {

		//If overflow is hidden, the element might have extra content, but the user wants to hide it
		if ( $( el ).css( "overflow" ) === "hidden") {
			return false;
		}

		var scroll = ( a && a === "left" ) ? "scrollLeft" : "scrollTop",
			has = false;

		if ( el[ scroll ] > 0 ) {
			return true;
		}

		// TODO: determine which cases actually cause this to happen
		// if the element doesn't have the scroll set, see if it's possible to
		// set the scroll
		el[ scroll ] = 1;
		has = ( el[ scroll ] > 0 );
		el[ scroll ] = 0;
		return has;
	}
});

})( jQuery );

(function( $, undefined ) {

var uuid = 0,
	slice = Array.prototype.slice,
	_cleanData = $.cleanData;
$.cleanData = function( elems ) {
	for ( var i = 0, elem; (elem = elems[i]) != null; i++ ) {
		try {
			$( elem ).triggerHandler( "remove" );
		// http://bugs.jquery.com/ticket/8235
		} catch( e ) {}
	}
	_cleanData( elems );
};

$.widget = function( name, base, prototype ) {
	var fullName, existingConstructor, constructor, basePrototype,
		// proxiedPrototype allows the provided prototype to remain unmodified
		// so that it can be used as a mixin for multiple widgets (#8876)
		proxiedPrototype = {},
		namespace = name.split( "." )[ 0 ];

	name = name.split( "." )[ 1 ];
	fullName = namespace + "-" + name;

	if ( !prototype ) {
		prototype = base;
		base = $.Widget;
	}

	// create selector for plugin
	$.expr[ ":" ][ fullName.toLowerCase() ] = function( elem ) {
		return !!$.data( elem, fullName );
	};

	$[ namespace ] = $[ namespace ] || {};
	existingConstructor = $[ namespace ][ name ];
	constructor = $[ namespace ][ name ] = function( options, element ) {
		// allow instantiation without "new" keyword
		if ( !this._createWidget ) {
			return new constructor( options, element );
		}

		// allow instantiation without initializing for simple inheritance
		// must use "new" keyword (the code above always passes args)
		if ( arguments.length ) {
			this._createWidget( options, element );
		}
	};
	// extend with the existing constructor to carry over any static properties
	$.extend( constructor, existingConstructor, {
		version: prototype.version,
		// copy the object used to create the prototype in case we need to
		// redefine the widget later
		_proto: $.extend( {}, prototype ),
		// track widgets that inherit from this widget in case this widget is
		// redefined after a widget inherits from it
		_childConstructors: []
	});

	basePrototype = new base();
	// we need to make the options hash a property directly on the new instance
	// otherwise we'll modify the options hash on the prototype that we're
	// inheriting from
	basePrototype.options = $.widget.extend( {}, basePrototype.options );
	$.each( prototype, function( prop, value ) {
		if ( !$.isFunction( value ) ) {
			proxiedPrototype[ prop ] = value;
			return;
		}
		proxiedPrototype[ prop ] = (function() {
			var _super = function() {
					return base.prototype[ prop ].apply( this, arguments );
				},
				_superApply = function( args ) {
					return base.prototype[ prop ].apply( this, args );
				};
			return function() {
				var __super = this._super,
					__superApply = this._superApply,
					returnValue;

				this._super = _super;
				this._superApply = _superApply;

				returnValue = value.apply( this, arguments );

				this._super = __super;
				this._superApply = __superApply;

				return returnValue;
			};
		})();
	});
	constructor.prototype = $.widget.extend( basePrototype, {
		// TODO: remove support for widgetEventPrefix
		// always use the name + a colon as the prefix, e.g., draggable:start
		// don't prefix for widgets that aren't DOM-based
		widgetEventPrefix: existingConstructor ? basePrototype.widgetEventPrefix : name
	}, proxiedPrototype, {
		constructor: constructor,
		namespace: namespace,
		widgetName: name,
		widgetFullName: fullName
	});

	// If this widget is being redefined then we need to find all widgets that
	// are inheriting from it and redefine all of them so that they inherit from
	// the new version of this widget. We're essentially trying to replace one
	// level in the prototype chain.
	if ( existingConstructor ) {
		$.each( existingConstructor._childConstructors, function( i, child ) {
			var childPrototype = child.prototype;

			// redefine the child widget using the same prototype that was
			// originally used, but inherit from the new version of the base
			$.widget( childPrototype.namespace + "." + childPrototype.widgetName, constructor, child._proto );
		});
		// remove the list of existing child constructors from the old constructor
		// so the old child constructors can be garbage collected
		delete existingConstructor._childConstructors;
	} else {
		base._childConstructors.push( constructor );
	}

	$.widget.bridge( name, constructor );
};

$.widget.extend = function( target ) {
	var input = slice.call( arguments, 1 ),
		inputIndex = 0,
		inputLength = input.length,
		key,
		value;
	for ( ; inputIndex < inputLength; inputIndex++ ) {
		for ( key in input[ inputIndex ] ) {
			value = input[ inputIndex ][ key ];
			if ( input[ inputIndex ].hasOwnProperty( key ) && value !== undefined ) {
				// Clone objects
				if ( $.isPlainObject( value ) ) {
					target[ key ] = $.isPlainObject( target[ key ] ) ?
						$.widget.extend( {}, target[ key ], value ) :
						// Don't extend strings, arrays, etc. with objects
						$.widget.extend( {}, value );
				// Copy everything else by reference
				} else {
					target[ key ] = value;
				}
			}
		}
	}
	return target;
};

$.widget.bridge = function( name, object ) {
	var fullName = object.prototype.widgetFullName || name;
	$.fn[ name ] = function( options ) {
		var isMethodCall = typeof options === "string",
			args = slice.call( arguments, 1 ),
			returnValue = this;

		// allow multiple hashes to be passed on init
		options = !isMethodCall && args.length ?
			$.widget.extend.apply( null, [ options ].concat(args) ) :
			options;

		if ( isMethodCall ) {
			this.each(function() {
				var methodValue,
					instance = $.data( this, fullName );
				if ( !instance ) {
					return $.error( "cannot call methods on " + name + " prior to initialization; " +
						"attempted to call method '" + options + "'" );
				}
				if ( !$.isFunction( instance[options] ) || options.charAt( 0 ) === "_" ) {
					return $.error( "no such method '" + options + "' for " + name + " widget instance" );
				}
				methodValue = instance[ options ].apply( instance, args );
				if ( methodValue !== instance && methodValue !== undefined ) {
					returnValue = methodValue && methodValue.jquery ?
						returnValue.pushStack( methodValue.get() ) :
						methodValue;
					return false;
				}
			});
		} else {
			this.each(function() {
				var instance = $.data( this, fullName );
				if ( instance ) {
					instance.option( options || {} )._init();
				} else {
					$.data( this, fullName, new object( options, this ) );
				}
			});
		}

		return returnValue;
	};
};

$.Widget = function( /* options, element */ ) {};
$.Widget._childConstructors = [];

$.Widget.prototype = {
	widgetName: "widget",
	widgetEventPrefix: "",
	defaultElement: "<div>",
	options: {
		disabled: false,

		// callbacks
		create: null
	},
	_createWidget: function( options, element ) {
		element = $( element || this.defaultElement || this )[ 0 ];
		this.element = $( element );
		this.uuid = uuid++;
		this.eventNamespace = "." + this.widgetName + this.uuid;
		this.options = $.widget.extend( {},
			this.options,
			this._getCreateOptions(),
			options );

		this.bindings = $();
		this.hoverable = $();
		this.focusable = $();

		if ( element !== this ) {
			$.data( element, this.widgetFullName, this );
			this._on( true, this.element, {
				remove: function( event ) {
					if ( event.target === element ) {
						this.destroy();
					}
				}
			});
			this.document = $( element.style ?
				// element within the document
				element.ownerDocument :
				// element is window or document
				element.document || element );
			this.window = $( this.document[0].defaultView || this.document[0].parentWindow );
		}

		this._create();
		this._trigger( "create", null, this._getCreateEventData() );
		this._init();
	},
	_getCreateOptions: $.noop,
	_getCreateEventData: $.noop,
	_create: $.noop,
	_init: $.noop,

	destroy: function() {
		this._destroy();
		// we can probably remove the unbind calls in 2.0
		// all event bindings should go through this._on()
		this.element
			.unbind( this.eventNamespace )
			// 1.9 BC for #7810
			// TODO remove dual storage
			.removeData( this.widgetName )
			.removeData( this.widgetFullName )
			// support: jquery <1.6.3
			// http://bugs.jquery.com/ticket/9413
			.removeData( $.camelCase( this.widgetFullName ) );
		this.widget()
			.unbind( this.eventNamespace )
			.removeAttr( "aria-disabled" )
			.removeClass(
				this.widgetFullName + "-disabled " +
				"ui-state-disabled" );

		// clean up events and states
		this.bindings.unbind( this.eventNamespace );
		this.hoverable.removeClass( "ui-state-hover" );
		this.focusable.removeClass( "ui-state-focus" );
	},
	_destroy: $.noop,

	widget: function() {
		return this.element;
	},

	option: function( key, value ) {
		var options = key,
			parts,
			curOption,
			i;

		if ( arguments.length === 0 ) {
			// don't return a reference to the internal hash
			return $.widget.extend( {}, this.options );
		}

		if ( typeof key === "string" ) {
			// handle nested keys, e.g., "foo.bar" => { foo: { bar: ___ } }
			options = {};
			parts = key.split( "." );
			key = parts.shift();
			if ( parts.length ) {
				curOption = options[ key ] = $.widget.extend( {}, this.options[ key ] );
				for ( i = 0; i < parts.length - 1; i++ ) {
					curOption[ parts[ i ] ] = curOption[ parts[ i ] ] || {};
					curOption = curOption[ parts[ i ] ];
				}
				key = parts.pop();
				if ( value === undefined ) {
					return curOption[ key ] === undefined ? null : curOption[ key ];
				}
				curOption[ key ] = value;
			} else {
				if ( value === undefined ) {
					return this.options[ key ] === undefined ? null : this.options[ key ];
				}
				options[ key ] = value;
			}
		}

		this._setOptions( options );

		return this;
	},
	_setOptions: function( options ) {
		var key;

		for ( key in options ) {
			this._setOption( key, options[ key ] );
		}

		return this;
	},
	_setOption: function( key, value ) {
		this.options[ key ] = value;

		if ( key === "disabled" ) {
			this.widget()
				.toggleClass( this.widgetFullName + "-disabled ui-state-disabled", !!value )
				.attr( "aria-disabled", value );
			this.hoverable.removeClass( "ui-state-hover" );
			this.focusable.removeClass( "ui-state-focus" );
		}

		return this;
	},

	enable: function() {
		return this._setOption( "disabled", false );
	},
	disable: function() {
		return this._setOption( "disabled", true );
	},

	_on: function( suppressDisabledCheck, element, handlers ) {
		var delegateElement,
			instance = this;

		// no suppressDisabledCheck flag, shuffle arguments
		if ( typeof suppressDisabledCheck !== "boolean" ) {
			handlers = element;
			element = suppressDisabledCheck;
			suppressDisabledCheck = false;
		}

		// no element argument, shuffle and use this.element
		if ( !handlers ) {
			handlers = element;
			element = this.element;
			delegateElement = this.widget();
		} else {
			// accept selectors, DOM elements
			element = delegateElement = $( element );
			this.bindings = this.bindings.add( element );
		}

		$.each( handlers, function( event, handler ) {
			function handlerProxy() {
				// allow widgets to customize the disabled handling
				// - disabled as an array instead of boolean
				// - disabled class as method for disabling individual parts
				if ( !suppressDisabledCheck &&
						( instance.options.disabled === true ||
							$( this ).hasClass( "ui-state-disabled" ) ) ) {
					return;
				}
				return ( typeof handler === "string" ? instance[ handler ] : handler )
					.apply( instance, arguments );
			}

			// copy the guid so direct unbinding works
			if ( typeof handler !== "string" ) {
				handlerProxy.guid = handler.guid =
					handler.guid || handlerProxy.guid || $.guid++;
			}

			var match = event.match( /^(\w+)\s*(.*)$/ ),
				eventName = match[1] + instance.eventNamespace,
				selector = match[2];
			if ( selector ) {
				delegateElement.delegate( selector, eventName, handlerProxy );
			} else {
				element.bind( eventName, handlerProxy );
			}
		});
	},

	_off: function( element, eventName ) {
		eventName = (eventName || "").split( " " ).join( this.eventNamespace + " " ) + this.eventNamespace;
		element.unbind( eventName ).undelegate( eventName );
	},

	_delay: function( handler, delay ) {
		function handlerProxy() {
			return ( typeof handler === "string" ? instance[ handler ] : handler )
				.apply( instance, arguments );
		}
		var instance = this;
		return setTimeout( handlerProxy, delay || 0 );
	},

	_hoverable: function( element ) {
		this.hoverable = this.hoverable.add( element );
		this._on( element, {
			mouseenter: function( event ) {
				$( event.currentTarget ).addClass( "ui-state-hover" );
			},
			mouseleave: function( event ) {
				$( event.currentTarget ).removeClass( "ui-state-hover" );
			}
		});
	},

	_focusable: function( element ) {
		this.focusable = this.focusable.add( element );
		this._on( element, {
			focusin: function( event ) {
				$( event.currentTarget ).addClass( "ui-state-focus" );
			},
			focusout: function( event ) {
				$( event.currentTarget ).removeClass( "ui-state-focus" );
			}
		});
	},

	_trigger: function( type, event, data ) {
		var prop, orig,
			callback = this.options[ type ];

		data = data || {};
		event = $.Event( event );
		event.type = ( type === this.widgetEventPrefix ?
			type :
			this.widgetEventPrefix + type ).toLowerCase();
		// the original event may come from any element
		// so we need to reset the target on the new event
		event.target = this.element[ 0 ];

		// copy original event properties over to the new event
		orig = event.originalEvent;
		if ( orig ) {
			for ( prop in orig ) {
				if ( !( prop in event ) ) {
					event[ prop ] = orig[ prop ];
				}
			}
		}

		this.element.trigger( event, data );
		return !( $.isFunction( callback ) &&
			callback.apply( this.element[0], [ event ].concat( data ) ) === false ||
			event.isDefaultPrevented() );
	}
};

$.each( { show: "fadeIn", hide: "fadeOut" }, function( method, defaultEffect ) {
	$.Widget.prototype[ "_" + method ] = function( element, options, callback ) {
		if ( typeof options === "string" ) {
			options = { effect: options };
		}
		var hasOptions,
			effectName = !options ?
				method :
				options === true || typeof options === "number" ?
					defaultEffect :
					options.effect || defaultEffect;
		options = options || {};
		if ( typeof options === "number" ) {
			options = { duration: options };
		}
		hasOptions = !$.isEmptyObject( options );
		options.complete = callback;
		if ( options.delay ) {
			element.delay( options.delay );
		}
		if ( hasOptions && $.effects && $.effects.effect[ effectName ] ) {
			element[ method ]( options );
		} else if ( effectName !== method && element[ effectName ] ) {
			element[ effectName ]( options.duration, options.easing, callback );
		} else {
			element.queue(function( next ) {
				$( this )[ method ]();
				if ( callback ) {
					callback.call( element[ 0 ] );
				}
				next();
			});
		}
	};
});

})( jQuery );

(function( $, undefined ) {

var mouseHandled = false;
$( document ).mouseup( function() {
	mouseHandled = false;
});

$.widget("ui.mouse", {
	version: "1.10.2",
	options: {
		cancel: "input,textarea,button,select,option",
		distance: 1,
		delay: 0
	},
	_mouseInit: function() {
		var that = this;

		this.element
			.bind("mousedown."+this.widgetName, function(event) {
				return that._mouseDown(event);
			})
			.bind("click."+this.widgetName, function(event) {
				if (true === $.data(event.target, that.widgetName + ".preventClickEvent")) {
					$.removeData(event.target, that.widgetName + ".preventClickEvent");
					event.stopImmediatePropagation();
					return false;
				}
			});

		this.started = false;
	},

	// TODO: make sure destroying one instance of mouse doesn't mess with
	// other instances of mouse
	_mouseDestroy: function() {
		this.element.unbind("."+this.widgetName);
		if ( this._mouseMoveDelegate ) {
			$(document)
				.unbind("mousemove."+this.widgetName, this._mouseMoveDelegate)
				.unbind("mouseup."+this.widgetName, this._mouseUpDelegate);
		}
	},

	_mouseDown: function(event) {
		// don't let more than one widget handle mouseStart
		if( mouseHandled ) { return; }

		// we may have missed mouseup (out of window)
		(this._mouseStarted && this._mouseUp(event));

		this._mouseDownEvent = event;

		var that = this,
			btnIsLeft = (event.which === 1),
			// event.target.nodeName works around a bug in IE 8 with
			// disabled inputs (#7620)
			elIsCancel = (typeof this.options.cancel === "string" && event.target.nodeName ? $(event.target).closest(this.options.cancel).length : false);
		if (!btnIsLeft || elIsCancel || !this._mouseCapture(event)) {
			return true;
		}

		this.mouseDelayMet = !this.options.delay;
		if (!this.mouseDelayMet) {
			this._mouseDelayTimer = setTimeout(function() {
				that.mouseDelayMet = true;
			}, this.options.delay);
		}

		if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
			this._mouseStarted = (this._mouseStart(event) !== false);
			if (!this._mouseStarted) {
				event.preventDefault();
				return true;
			}
		}

		// Click event may never have fired (Gecko & Opera)
		if (true === $.data(event.target, this.widgetName + ".preventClickEvent")) {
			$.removeData(event.target, this.widgetName + ".preventClickEvent");
		}

		// these delegates are required to keep context
		this._mouseMoveDelegate = function(event) {
			return that._mouseMove(event);
		};
		this._mouseUpDelegate = function(event) {
			return that._mouseUp(event);
		};
		$(document)
			.bind("mousemove."+this.widgetName, this._mouseMoveDelegate)
			.bind("mouseup."+this.widgetName, this._mouseUpDelegate);

		if (this.widgetName === 'slider') {
			// Prevent tragging of slider handle(anchor) in Firefox
			event.preventDefault();
		}

		mouseHandled = true;
		return true;
	},

	_mouseMove: function(event) {
		// IE mouseup check - mouseup happened when mouse was out of window
		if ($.ui.ie && ( !document.documentMode || document.documentMode < 9 ) && !event.button) {
			return this._mouseUp(event);
		}

		if (this._mouseStarted) {
			this._mouseDrag(event);
			return event.preventDefault();
		}

		if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
			this._mouseStarted =
				(this._mouseStart(this._mouseDownEvent, event) !== false);
			(this._mouseStarted ? this._mouseDrag(event) : this._mouseUp(event));
		}

		return !this._mouseStarted;
	},

	_mouseUp: function(event) {
		$(document)
			.unbind("mousemove."+this.widgetName, this._mouseMoveDelegate)
			.unbind("mouseup."+this.widgetName, this._mouseUpDelegate);

		if (this._mouseStarted) {
			this._mouseStarted = false;

			if (event.target === this._mouseDownEvent.target) {
				$.data(event.target, this.widgetName + ".preventClickEvent", true);
			}

			this._mouseStop(event);
		}

		return false;
	},

	_mouseDistanceMet: function(event) {
		return (Math.max(
				Math.abs(this._mouseDownEvent.pageX - event.pageX),
				Math.abs(this._mouseDownEvent.pageY - event.pageY)
			) >= this.options.distance
		);
	},

	_mouseDelayMet: function(/* event */) {
		return this.mouseDelayMet;
	},

	// These are placeholder methods, to be overriden by extending plugin
	_mouseStart: function(/* event */) {},
	_mouseDrag: function(/* event */) {},
	_mouseStop: function(/* event */) {},
	_mouseCapture: function(/* event */) { return true; }
});

})(jQuery);

(function( $, undefined ) {

$.widget("ui.draggable", $.ui.mouse, {
	version: "1.10.2",
	widgetEventPrefix: "drag",
	options: {
		addClasses: true,
		appendTo: "parent",
		axis: false,
		connectToSortable: false,
		containment: false,
		cursor: "auto",
		cursorAt: false,
		grid: false,
		handle: false,
		helper: "original",
		iframeFix: false,
		opacity: false,
		refreshPositions: false,
		revert: false,
		revertDuration: 500,
		scope: "default",
		scroll: true,
		scrollSensitivity: 20,
		scrollSpeed: 20,
		snap: false,
		snapMode: "both",
		snapTolerance: 20,
		stack: false,
		zIndex: false,

		// callbacks
		drag: null,
		start: null,
		stop: null
	},
	_create: function() {

		if (this.options.helper === "original" && !(/^(?:r|a|f)/).test(this.element.css("position"))) {
			this.element[0].style.position = "relative";
		}
		if (this.options.addClasses){
			this.element.addClass("ui-draggable");
		}
		if (this.options.disabled){
			this.element.addClass("ui-draggable-disabled");
		}
    this.element[0].style.msTouchAction = this.element[0].style.touchAction = 'none';

		this._mouseInit();

	},

	_destroy: function() {
		this.element.removeClass( "ui-draggable ui-draggable-dragging ui-draggable-disabled" );
		this._mouseDestroy();
	},

	_mouseCapture: function(event) {

		var o = this.options;

		// among others, prevent a drag on a resizable-handle
		if (this.helper || o.disabled || $(event.target).closest(".ui-resizable-handle").length > 0) {
			return false;
		}

		//Quit if we're not on a valid handle
		this.handle = this._getHandle(event);
		if (!this.handle) {
			return false;
		}

		$(o.iframeFix === true ? "iframe" : o.iframeFix).each(function() {
			$("<div class='ui-draggable-iframeFix' style='background: #fff;'></div>")
			.css({
				width: this.offsetWidth+"px", height: this.offsetHeight+"px",
				position: "absolute", opacity: "0.001", zIndex: 1000
			})
			.css($(this).offset())
			.appendTo("body");
		});

		return true;

	},

	_mouseStart: function(event) {

		var o = this.options;

		//Create and append the visible helper
		this.helper = this._createHelper(event);

		this.helper.addClass("ui-draggable-dragging");

		//Cache the helper size
		this._cacheHelperProportions();

		//If ddmanager is used for droppables, set the global draggable
		if($.ui.ddmanager) {
			$.ui.ddmanager.current = this;
		}

		/*
		 * - Position generation -
		 * This block generates everything position related - it's the core of draggables.
		 */

		//Cache the margins of the original element
		this._cacheMargins();

		//Store the helper's css position
		this.cssPosition = this.helper.css("position");
		this.scrollParent = this.helper.scrollParent();

		//The element's absolute position on the page minus margins
		this.offset = this.positionAbs = this.element.offset();
		this.offset = {
			top: this.offset.top - this.margins.top,
			left: this.offset.left - this.margins.left
		};

		$.extend(this.offset, {
			click: { //Where the click happened, relative to the element
				left: event.pageX - this.offset.left,
				top: event.pageY - this.offset.top
			},
			parent: this._getParentOffset(),
			relative: this._getRelativeOffset() //This is a relative to absolute position minus the actual position calculation - only used for relative positioned helper
		});

		//Generate the original position
		this.originalPosition = this.position = this._generatePosition(event);
		this.originalPageX = event.pageX;
		this.originalPageY = event.pageY;

		//Adjust the mouse offset relative to the helper if "cursorAt" is supplied
		(o.cursorAt && this._adjustOffsetFromHelper(o.cursorAt));

		//Set a containment if given in the options
		if(o.containment) {
			this._setContainment();
		}

		//Trigger event + callbacks
		if(this._trigger("start", event) === false) {
			this._clear();
			return false;
		}

		//Recache the helper size
		this._cacheHelperProportions();

		//Prepare the droppable offsets
		if ($.ui.ddmanager && !o.dropBehaviour) {
			$.ui.ddmanager.prepareOffsets(this, event);
		}


		this._mouseDrag(event, true); //Execute the drag once - this causes the helper not to be visible before getting its correct position

		//If the ddmanager is used for droppables, inform the manager that dragging has started (see #5003)
		if ( $.ui.ddmanager ) {
			$.ui.ddmanager.dragStart(this, event);
		}

		return true;
	},

	_mouseDrag: function(event, noPropagation) {

		//Compute the helpers position
		this.position = this._generatePosition(event);
		this.positionAbs = this._convertPositionTo("absolute");

		//Call plugins and callbacks and use the resulting position if something is returned
		if (!noPropagation) {
			var ui = this._uiHash();
			if(this._trigger("drag", event, ui) === false) {
				this._mouseUp({});
				return false;
			}
			this.position = ui.position;
		}

		if(!this.options.axis || this.options.axis !== "y") {
			this.helper[0].style.left = this.position.left+"px";
		}
		if(!this.options.axis || this.options.axis !== "x") {
			this.helper[0].style.top = this.position.top+"px";
		}
		if($.ui.ddmanager) {
			$.ui.ddmanager.drag(this, event);
		}

		return false;
	},

	_mouseStop: function(event) {

		//If we are using droppables, inform the manager about the drop
		var element,
			that = this,
			elementInDom = false,
			dropped = false;
		if ($.ui.ddmanager && !this.options.dropBehaviour) {
			dropped = $.ui.ddmanager.drop(this, event);
		}

		//if a drop comes from outside (a sortable)
		if(this.dropped) {
			dropped = this.dropped;
			this.dropped = false;
		}

		//if the original element is no longer in the DOM don't bother to continue (see #8269)
		element = this.element[0];
		while ( element && (element = element.parentNode) ) {
			if (element === document ) {
				elementInDom = true;
			}
		}
		if ( !elementInDom && this.options.helper === "original" ) {
			return false;
		}

		if((this.options.revert === "invalid" && !dropped) || (this.options.revert === "valid" && dropped) || this.options.revert === true || ($.isFunction(this.options.revert) && this.options.revert.call(this.element, dropped))) {
			$(this.helper).animate(this.originalPosition, parseInt(this.options.revertDuration, 10), function() {
				if(that._trigger("stop", event) !== false) {
					that._clear();
				}
			});
		} else {
			if(this._trigger("stop", event) !== false) {
				this._clear();
			}
		}

		return false;
	},

	_mouseUp: function(event) {
		//Remove frame helpers
		$("div.ui-draggable-iframeFix").each(function() {
			this.parentNode.removeChild(this);
		});

		//If the ddmanager is used for droppables, inform the manager that dragging has stopped (see #5003)
		if( $.ui.ddmanager ) {
			$.ui.ddmanager.dragStop(this, event);
		}

		return $.ui.mouse.prototype._mouseUp.call(this, event);
	},

	cancel: function() {

		if(this.helper.is(".ui-draggable-dragging")) {
			this._mouseUp({});
		} else {
			this._clear();
		}

		return this;

	},

	_getHandle: function(event) {
		return this.options.handle ?
			!!$( event.target ).closest( this.element.find( this.options.handle ) ).length :
			true;
	},

	_createHelper: function(event) {

		var o = this.options,
			helper = $.isFunction(o.helper) ? $(o.helper.apply(this.element[0], [event])) : (o.helper === "clone" ? this.element.clone().removeAttr("id") : this.element);

		if(!helper.parents("body").length) {
			helper.appendTo((o.appendTo === "parent" ? this.element[0].parentNode : o.appendTo));
		}

		if(helper[0] !== this.element[0] && !(/(fixed|absolute)/).test(helper.css("position"))) {
			helper.css("position", "absolute");
		}

		return helper;

	},

	_adjustOffsetFromHelper: function(obj) {
		if (typeof obj === "string") {
			obj = obj.split(" ");
		}
		if ($.isArray(obj)) {
			obj = {left: +obj[0], top: +obj[1] || 0};
		}
		if ("left" in obj) {
			this.offset.click.left = obj.left + this.margins.left;
		}
		if ("right" in obj) {
			this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
		}
		if ("top" in obj) {
			this.offset.click.top = obj.top + this.margins.top;
		}
		if ("bottom" in obj) {
			this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
		}
	},

	_getParentOffset: function() {

		//Get the offsetParent and cache its position
		this.offsetParent = this.helper.offsetParent();
		var po = this.offsetParent.offset();

		// This is a special case where we need to modify a offset calculated on start, since the following happened:
		// 1. The position of the helper is absolute, so it's position is calculated based on the next positioned parent
		// 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't the document, which means that
		//    the scroll is included in the initial calculation of the offset of the parent, and never recalculated upon drag
		if(this.cssPosition === "absolute" && this.scrollParent[0] !== document && $.contains(this.scrollParent[0], this.offsetParent[0])) {
			po.left += this.scrollParent.scrollLeft();
			po.top += this.scrollParent.scrollTop();
		}

		//This needs to be actually done for all browsers, since pageX/pageY includes this information
		//Ugly IE fix
		if((this.offsetParent[0] === document.body) ||
			(this.offsetParent[0].tagName && this.offsetParent[0].tagName.toLowerCase() === "html" && $.ui.ie)) {
			po = { top: 0, left: 0 };
		}

		return {
			top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"),10) || 0),
			left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0)
		};

	},

	_getRelativeOffset: function() {

		if(this.cssPosition === "relative") {
			var p = this.element.position();
			return {
				top: p.top - (parseInt(this.helper.css("top"),10) || 0) + this.scrollParent.scrollTop(),
				left: p.left - (parseInt(this.helper.css("left"),10) || 0) + this.scrollParent.scrollLeft()
			};
		} else {
			return { top: 0, left: 0 };
		}

	},

	_cacheMargins: function() {
		this.margins = {
			left: (parseInt(this.element.css("marginLeft"),10) || 0),
			top: (parseInt(this.element.css("marginTop"),10) || 0),
			right: (parseInt(this.element.css("marginRight"),10) || 0),
			bottom: (parseInt(this.element.css("marginBottom"),10) || 0)
		};
	},

	_cacheHelperProportions: function() {
		this.helperProportions = {
			width: this.helper.outerWidth(),
			height: this.helper.outerHeight()
		};
	},

	_setContainment: function() {

		var over, c, ce,
			o = this.options;

		if(o.containment === "parent") {
			o.containment = this.helper[0].parentNode;
		}
		if(o.containment === "document" || o.containment === "window") {
			this.containment = [
				o.containment === "document" ? 0 : $(window).scrollLeft() - this.offset.relative.left - this.offset.parent.left,
				o.containment === "document" ? 0 : $(window).scrollTop() - this.offset.relative.top - this.offset.parent.top,
				(o.containment === "document" ? 0 : $(window).scrollLeft()) + $(o.containment === "document" ? document : window).width() - this.helperProportions.width - this.margins.left,
				(o.containment === "document" ? 0 : $(window).scrollTop()) + ($(o.containment === "document" ? document : window).height() || document.body.parentNode.scrollHeight) - this.helperProportions.height - this.margins.top
			];
		}

		if(!(/^(document|window|parent)$/).test(o.containment) && o.containment.constructor !== Array) {
			c = $(o.containment);
			ce = c[0];

			if(!ce) {
				return;
			}

			over = ($(ce).css("overflow") !== "hidden");

			this.containment = [
				(parseInt($(ce).css("borderLeftWidth"),10) || 0) + (parseInt($(ce).css("paddingLeft"),10) || 0),
				(parseInt($(ce).css("borderTopWidth"),10) || 0) + (parseInt($(ce).css("paddingTop"),10) || 0),
				(over ? Math.max(ce.scrollWidth,ce.offsetWidth) : ce.offsetWidth) - (parseInt($(ce).css("borderRightWidth"),10) || 0) - (parseInt($(ce).css("paddingRight"),10) || 0) - this.helperProportions.width - this.margins.left - this.margins.right,
				(over ? Math.max(ce.scrollHeight,ce.offsetHeight) : ce.offsetHeight) - (parseInt($(ce).css("borderBottomWidth"),10) || 0) - (parseInt($(ce).css("paddingBottom"),10) || 0) - this.helperProportions.height - this.margins.top  - this.margins.bottom
			];
			this.relative_container = c;

		} else if(o.containment.constructor === Array) {
			this.containment = o.containment;
		}

	},

	_convertPositionTo: function(d, pos) {

		if(!pos) {
			pos = this.position;
		}

		var mod = d === "absolute" ? 1 : -1,
			scroll = this.cssPosition === "absolute" && !(this.scrollParent[0] !== document && $.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);

		return {
			top: (
				pos.top	+																// The absolute mouse position
				this.offset.relative.top * mod +										// Only for relative positioned nodes: Relative offset from element to offset parent
				this.offset.parent.top * mod -										// The offsetParent's offset without borders (offset + border)
				( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod)
			),
			left: (
				pos.left +																// The absolute mouse position
				this.offset.relative.left * mod +										// Only for relative positioned nodes: Relative offset from element to offset parent
				this.offset.parent.left * mod	-										// The offsetParent's offset without borders (offset + border)
				( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ) * mod)
			)
		};

	},

	_generatePosition: function(event) {

		var containment, co, top, left,
			o = this.options,
			scroll = this.cssPosition === "absolute" && !(this.scrollParent[0] !== document && $.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent,
			scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName),
			pageX = event.pageX,
			pageY = event.pageY;

		/*
		 * - Position constraining -
		 * Constrain the position to a mix of grid, containment.
		 */

		if(this.originalPosition) { //If we are not dragging yet, we won't check for options
			if(this.containment) {
			if (this.relative_container){
				co = this.relative_container.offset();
				containment = [ this.containment[0] + co.left,
					this.containment[1] + co.top,
					this.containment[2] + co.left,
					this.containment[3] + co.top ];
			}
			else {
				containment = this.containment;
			}

				if(event.pageX - this.offset.click.left < containment[0]) {
					pageX = containment[0] + this.offset.click.left;
				}
				if(event.pageY - this.offset.click.top < containment[1]) {
					pageY = containment[1] + this.offset.click.top;
				}
				if(event.pageX - this.offset.click.left > containment[2]) {
					pageX = containment[2] + this.offset.click.left;
				}
				if(event.pageY - this.offset.click.top > containment[3]) {
					pageY = containment[3] + this.offset.click.top;
				}
			}

			if(o.grid) {
				//Check for grid elements set to 0 to prevent divide by 0 error causing invalid argument errors in IE (see ticket #6950)
				top = o.grid[1] ? this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1] : this.originalPageY;
				pageY = containment ? ((top - this.offset.click.top >= containment[1] || top - this.offset.click.top > containment[3]) ? top : ((top - this.offset.click.top >= containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top;

				left = o.grid[0] ? this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0] : this.originalPageX;
				pageX = containment ? ((left - this.offset.click.left >= containment[0] || left - this.offset.click.left > containment[2]) ? left : ((left - this.offset.click.left >= containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left;
			}

		}

		return {
			top: (
				pageY -																	// The absolute mouse position
				this.offset.click.top	-												// Click offset (relative to the element)
				this.offset.relative.top -												// Only for relative positioned nodes: Relative offset from element to offset parent
				this.offset.parent.top +												// The offsetParent's offset without borders (offset + border)
				( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ))
			),
			left: (
				pageX -																	// The absolute mouse position
				this.offset.click.left -												// Click offset (relative to the element)
				this.offset.relative.left -												// Only for relative positioned nodes: Relative offset from element to offset parent
				this.offset.parent.left +												// The offsetParent's offset without borders (offset + border)
				( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ))
			)
		};

	},

	_clear: function() {
		this.helper.removeClass("ui-draggable-dragging");
		if(this.helper[0] !== this.element[0] && !this.cancelHelperRemoval) {
			this.helper.remove();
		}
		this.helper = null;
		this.cancelHelperRemoval = false;
	},

	// From now on bulk stuff - mainly helpers

	_trigger: function(type, event, ui) {
		ui = ui || this._uiHash();
		$.ui.plugin.call(this, type, [event, ui]);
		//The absolute position has to be recalculated after plugins
		if(type === "drag") {
			this.positionAbs = this._convertPositionTo("absolute");
		}
		return $.Widget.prototype._trigger.call(this, type, event, ui);
	},

	plugins: {},

	_uiHash: function() {
		return {
			helper: this.helper,
			position: this.position,
			originalPosition: this.originalPosition,
			offset: this.positionAbs
		};
	}

});

$.ui.plugin.add("draggable", "connectToSortable", {
	start: function(event, ui) {

		var inst = $(this).data("ui-draggable"), o = inst.options,
			uiSortable = $.extend({}, ui, { item: inst.element });
		inst.sortables = [];
		$(o.connectToSortable).each(function() {
			var sortable = $.data(this, "ui-sortable");
			if (sortable && !sortable.options.disabled) {
				inst.sortables.push({
					instance: sortable,
					shouldRevert: sortable.options.revert
				});
				sortable.refreshPositions();	// Call the sortable's refreshPositions at drag start to refresh the containerCache since the sortable container cache is used in drag and needs to be up to date (this will ensure it's initialised as well as being kept in step with any changes that might have happened on the page).
				sortable._trigger("activate", event, uiSortable);
			}
		});

	},
	stop: function(event, ui) {

		//If we are still over the sortable, we fake the stop event of the sortable, but also remove helper
		var inst = $(this).data("ui-draggable"),
			uiSortable = $.extend({}, ui, { item: inst.element });

		$.each(inst.sortables, function() {
			if(this.instance.isOver) {

				this.instance.isOver = 0;

				inst.cancelHelperRemoval = true; //Don't remove the helper in the draggable instance
				this.instance.cancelHelperRemoval = false; //Remove it in the sortable instance (so sortable plugins like revert still work)

				//The sortable revert is supported, and we have to set a temporary dropped variable on the draggable to support revert: "valid/invalid"
				if(this.shouldRevert) {
					this.instance.options.revert = this.shouldRevert;
				}

				//Trigger the stop of the sortable
				this.instance._mouseStop(event);

				this.instance.options.helper = this.instance.options._helper;

				//If the helper has been the original item, restore properties in the sortable
				if(inst.options.helper === "original") {
					this.instance.currentItem.css({ top: "auto", left: "auto" });
				}

			} else {
				this.instance.cancelHelperRemoval = false; //Remove the helper in the sortable instance
				this.instance._trigger("deactivate", event, uiSortable);
			}

		});

	},
	drag: function(event, ui) {

		var inst = $(this).data("ui-draggable"), that = this;

		$.each(inst.sortables, function() {

			var innermostIntersecting = false,
				thisSortable = this;

			//Copy over some variables to allow calling the sortable's native _intersectsWith
			this.instance.positionAbs = inst.positionAbs;
			this.instance.helperProportions = inst.helperProportions;
			this.instance.offset.click = inst.offset.click;

			if(this.instance._intersectsWith(this.instance.containerCache)) {
				innermostIntersecting = true;
				$.each(inst.sortables, function () {
					this.instance.positionAbs = inst.positionAbs;
					this.instance.helperProportions = inst.helperProportions;
					this.instance.offset.click = inst.offset.click;
					if (this !== thisSortable &&
						this.instance._intersectsWith(this.instance.containerCache) &&
						$.contains(thisSortable.instance.element[0], this.instance.element[0])
					) {
						innermostIntersecting = false;
					}
					return innermostIntersecting;
				});
			}


			if(innermostIntersecting) {
				//If it intersects, we use a little isOver variable and set it once, so our move-in stuff gets fired only once
				if(!this.instance.isOver) {

					this.instance.isOver = 1;
					//Now we fake the start of dragging for the sortable instance,
					//by cloning the list group item, appending it to the sortable and using it as inst.currentItem
					//We can then fire the start event of the sortable with our passed browser event, and our own helper (so it doesn't create a new one)
					this.instance.currentItem = $(that).clone().removeAttr("id").appendTo(this.instance.element).data("ui-sortable-item", true);
					this.instance.options._helper = this.instance.options.helper; //Store helper option to later restore it
					this.instance.options.helper = function() { return ui.helper[0]; };

					event.target = this.instance.currentItem[0];
					this.instance._mouseCapture(event, true);
					this.instance._mouseStart(event, true, true);

					//Because the browser event is way off the new appended portlet, we modify a couple of variables to reflect the changes
					this.instance.offset.click.top = inst.offset.click.top;
					this.instance.offset.click.left = inst.offset.click.left;
					this.instance.offset.parent.left -= inst.offset.parent.left - this.instance.offset.parent.left;
					this.instance.offset.parent.top -= inst.offset.parent.top - this.instance.offset.parent.top;

					inst._trigger("toSortable", event);
					inst.dropped = this.instance.element; //draggable revert needs that
					//hack so receive/update callbacks work (mostly)
					inst.currentItem = inst.element;
					this.instance.fromOutside = inst;

				}

				//Provided we did all the previous steps, we can fire the drag event of the sortable on every draggable drag, when it intersects with the sortable
				if(this.instance.currentItem) {
					this.instance._mouseDrag(event);
				}

			} else {

				//If it doesn't intersect with the sortable, and it intersected before,
				//we fake the drag stop of the sortable, but make sure it doesn't remove the helper by using cancelHelperRemoval
				if(this.instance.isOver) {

					this.instance.isOver = 0;
					this.instance.cancelHelperRemoval = true;

					//Prevent reverting on this forced stop
					this.instance.options.revert = false;

					// The out event needs to be triggered independently
					this.instance._trigger("out", event, this.instance._uiHash(this.instance));

					this.instance._mouseStop(event, true);
					this.instance.options.helper = this.instance.options._helper;

					//Now we remove our currentItem, the list group clone again, and the placeholder, and animate the helper back to it's original size
					this.instance.currentItem.remove();
					if(this.instance.placeholder) {
						this.instance.placeholder.remove();
					}

					inst._trigger("fromSortable", event);
					inst.dropped = false; //draggable revert needs that
				}

			}

		});

	}
});

$.ui.plugin.add("draggable", "cursor", {
	start: function() {
		var t = $("body"), o = $(this).data("ui-draggable").options;
		if (t.css("cursor")) {
			o._cursor = t.css("cursor");
		}
		t.css("cursor", o.cursor);
	},
	stop: function() {
		var o = $(this).data("ui-draggable").options;
		if (o._cursor) {
			$("body").css("cursor", o._cursor);
		}
	}
});

$.ui.plugin.add("draggable", "opacity", {
	start: function(event, ui) {
		var t = $(ui.helper), o = $(this).data("ui-draggable").options;
		if(t.css("opacity")) {
			o._opacity = t.css("opacity");
		}
		t.css("opacity", o.opacity);
	},
	stop: function(event, ui) {
		var o = $(this).data("ui-draggable").options;
		if(o._opacity) {
			$(ui.helper).css("opacity", o._opacity);
		}
	}
});

$.ui.plugin.add("draggable", "scroll", {
	start: function() {
		var i = $(this).data("ui-draggable");
		if(i.scrollParent[0] !== document && i.scrollParent[0].tagName !== "HTML") {
			i.overflowOffset = i.scrollParent.offset();
		}
	},
	drag: function( event ) {

		var i = $(this).data("ui-draggable"), o = i.options, scrolled = false;

		if(i.scrollParent[0] !== document && i.scrollParent[0].tagName !== "HTML") {

			if(!o.axis || o.axis !== "x") {
				if((i.overflowOffset.top + i.scrollParent[0].offsetHeight) - event.pageY < o.scrollSensitivity) {
					i.scrollParent[0].scrollTop = scrolled = i.scrollParent[0].scrollTop + o.scrollSpeed;
				} else if(event.pageY - i.overflowOffset.top < o.scrollSensitivity) {
					i.scrollParent[0].scrollTop = scrolled = i.scrollParent[0].scrollTop - o.scrollSpeed;
				}
			}

			if(!o.axis || o.axis !== "y") {
				if((i.overflowOffset.left + i.scrollParent[0].offsetWidth) - event.pageX < o.scrollSensitivity) {
					i.scrollParent[0].scrollLeft = scrolled = i.scrollParent[0].scrollLeft + o.scrollSpeed;
				} else if(event.pageX - i.overflowOffset.left < o.scrollSensitivity) {
					i.scrollParent[0].scrollLeft = scrolled = i.scrollParent[0].scrollLeft - o.scrollSpeed;
				}
			}

		} else {

			if(!o.axis || o.axis !== "x") {
				if(event.pageY - $(document).scrollTop() < o.scrollSensitivity) {
					scrolled = $(document).scrollTop($(document).scrollTop() - o.scrollSpeed);
				} else if($(window).height() - (event.pageY - $(document).scrollTop()) < o.scrollSensitivity) {
					scrolled = $(document).scrollTop($(document).scrollTop() + o.scrollSpeed);
				}
			}

			if(!o.axis || o.axis !== "y") {
				if(event.pageX - $(document).scrollLeft() < o.scrollSensitivity) {
					scrolled = $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed);
				} else if($(window).width() - (event.pageX - $(document).scrollLeft()) < o.scrollSensitivity) {
					scrolled = $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed);
				}
			}

		}

		if(scrolled !== false && $.ui.ddmanager && !o.dropBehaviour) {
			$.ui.ddmanager.prepareOffsets(i, event);
		}

	}
});

$.ui.plugin.add("draggable", "snap", {
	start: function() {

		var i = $(this).data("ui-draggable"),
			o = i.options;

		i.snapElements = [];

		$(o.snap.constructor !== String ? ( o.snap.items || ":data(ui-draggable)" ) : o.snap).each(function() {
			var $t = $(this),
				$o = $t.offset();
			if(this !== i.element[0]) {
				i.snapElements.push({
					item: this,
					width: $t.outerWidth(), height: $t.outerHeight(),
					top: $o.top, left: $o.left
				});
			}
		});

	},
	drag: function(event, ui) {

		var ts, bs, ls, rs, l, r, t, b, i, first,
			inst = $(this).data("ui-draggable"),
			o = inst.options,
			d = o.snapTolerance,
			x1 = ui.offset.left, x2 = x1 + inst.helperProportions.width,
			y1 = ui.offset.top, y2 = y1 + inst.helperProportions.height;

		for (i = inst.snapElements.length - 1; i >= 0; i--){

			l = inst.snapElements[i].left;
			r = l + inst.snapElements[i].width;
			t = inst.snapElements[i].top;
			b = t + inst.snapElements[i].height;

			//Yes, I know, this is insane ;)
			if(!((l-d < x1 && x1 < r+d && t-d < y1 && y1 < b+d) || (l-d < x1 && x1 < r+d && t-d < y2 && y2 < b+d) || (l-d < x2 && x2 < r+d && t-d < y1 && y1 < b+d) || (l-d < x2 && x2 < r+d && t-d < y2 && y2 < b+d))) {
				if(inst.snapElements[i].snapping) {
					(inst.options.snap.release && inst.options.snap.release.call(inst.element, event, $.extend(inst._uiHash(), { snapItem: inst.snapElements[i].item })));
				}
				inst.snapElements[i].snapping = false;
				continue;
			}

			if(o.snapMode !== "inner") {
				ts = Math.abs(t - y2) <= d;
				bs = Math.abs(b - y1) <= d;
				ls = Math.abs(l - x2) <= d;
				rs = Math.abs(r - x1) <= d;
				if(ts) {
					ui.position.top = inst._convertPositionTo("relative", { top: t - inst.helperProportions.height, left: 0 }).top - inst.margins.top;
				}
				if(bs) {
					ui.position.top = inst._convertPositionTo("relative", { top: b, left: 0 }).top - inst.margins.top;
				}
				if(ls) {
					ui.position.left = inst._convertPositionTo("relative", { top: 0, left: l - inst.helperProportions.width }).left - inst.margins.left;
				}
				if(rs) {
					ui.position.left = inst._convertPositionTo("relative", { top: 0, left: r }).left - inst.margins.left;
				}
			}

			first = (ts || bs || ls || rs);

			if(o.snapMode !== "outer") {
				ts = Math.abs(t - y1) <= d;
				bs = Math.abs(b - y2) <= d;
				ls = Math.abs(l - x1) <= d;
				rs = Math.abs(r - x2) <= d;
				if(ts) {
					ui.position.top = inst._convertPositionTo("relative", { top: t, left: 0 }).top - inst.margins.top;
				}
				if(bs) {
					ui.position.top = inst._convertPositionTo("relative", { top: b - inst.helperProportions.height, left: 0 }).top - inst.margins.top;
				}
				if(ls) {
					ui.position.left = inst._convertPositionTo("relative", { top: 0, left: l }).left - inst.margins.left;
				}
				if(rs) {
					ui.position.left = inst._convertPositionTo("relative", { top: 0, left: r - inst.helperProportions.width }).left - inst.margins.left;
				}
			}

			if(!inst.snapElements[i].snapping && (ts || bs || ls || rs || first)) {
				(inst.options.snap.snap && inst.options.snap.snap.call(inst.element, event, $.extend(inst._uiHash(), { snapItem: inst.snapElements[i].item })));
			}
			inst.snapElements[i].snapping = (ts || bs || ls || rs || first);

		}

	}
});

$.ui.plugin.add("draggable", "stack", {
	start: function() {
		var min,
			o = this.data("ui-draggable").options,
			group = $.makeArray($(o.stack)).sort(function(a,b) {
				return (parseInt($(a).css("zIndex"),10) || 0) - (parseInt($(b).css("zIndex"),10) || 0);
			});

		if (!group.length) { return; }

		min = parseInt($(group[0]).css("zIndex"), 10) || 0;
		$(group).each(function(i) {
			$(this).css("zIndex", min + i);
		});
		this.css("zIndex", (min + group.length));
	}
});

$.ui.plugin.add("draggable", "zIndex", {
	start: function(event, ui) {
		var t = $(ui.helper), o = $(this).data("ui-draggable").options;
		if(t.css("zIndex")) {
			o._zIndex = t.css("zIndex");
		}
		t.css("zIndex", o.zIndex);
	},
	stop: function(event, ui) {
		var o = $(this).data("ui-draggable").options;
		if(o._zIndex) {
			$(ui.helper).css("zIndex", o._zIndex);
		}
	}
});

})(jQuery);

(function( $, undefined ) {

function isOverAxis( x, reference, size ) {
	return ( x > reference ) && ( x < ( reference + size ) );
}

$.widget("ui.droppable", {
	version: "1.10.2",
	widgetEventPrefix: "drop",
	options: {
		accept: "*",
		activeClass: false,
		addClasses: true,
		greedy: false,
		hoverClass: false,
		scope: "default",
		tolerance: "intersect",

		// callbacks
		activate: null,
		deactivate: null,
		drop: null,
		out: null,
		over: null
	},
	_create: function() {

		var o = this.options,
			accept = o.accept;

		this.isover = false;
		this.isout = true;

		this.accept = $.isFunction(accept) ? accept : function(d) {
			return d.is(accept);
		};

		//Store the droppable's proportions
		this.proportions = { width: this.element[0].offsetWidth, height: this.element[0].offsetHeight };

		// Add the reference and positions to the manager
		$.ui.ddmanager.droppables[o.scope] = $.ui.ddmanager.droppables[o.scope] || [];
		$.ui.ddmanager.droppables[o.scope].push(this);

		(o.addClasses && this.element.addClass("ui-droppable"));

	},

	_destroy: function() {
		var i = 0,
			drop = $.ui.ddmanager.droppables[this.options.scope];

		for ( ; i < drop.length; i++ ) {
			if ( drop[i] === this ) {
				drop.splice(i, 1);
			}
		}

		this.element.removeClass("ui-droppable ui-droppable-disabled");
	},

	_setOption: function(key, value) {

		if(key === "accept") {
			this.accept = $.isFunction(value) ? value : function(d) {
				return d.is(value);
			};
		}
		$.Widget.prototype._setOption.apply(this, arguments);
	},

	_activate: function(event) {
		var draggable = $.ui.ddmanager.current;
		if(this.options.activeClass) {
			this.element.addClass(this.options.activeClass);
		}
		if(draggable){
			this._trigger("activate", event, this.ui(draggable));
		}
	},

	_deactivate: function(event) {
		var draggable = $.ui.ddmanager.current;
		if(this.options.activeClass) {
			this.element.removeClass(this.options.activeClass);
		}
		if(draggable){
			this._trigger("deactivate", event, this.ui(draggable));
		}
	},

	_over: function(event) {

		var draggable = $.ui.ddmanager.current;

		// Bail if draggable and droppable are same element
		if (!draggable || (draggable.currentItem || draggable.element)[0] === this.element[0]) {
			return;
		}

		if (this.accept.call(this.element[0],(draggable.currentItem || draggable.element))) {
			if(this.options.hoverClass) {
				this.element.addClass(this.options.hoverClass);
			}
			this._trigger("over", event, this.ui(draggable));
		}

	},

	_out: function(event) {

		var draggable = $.ui.ddmanager.current;

		// Bail if draggable and droppable are same element
		if (!draggable || (draggable.currentItem || draggable.element)[0] === this.element[0]) {
			return;
		}

		if (this.accept.call(this.element[0],(draggable.currentItem || draggable.element))) {
			if(this.options.hoverClass) {
				this.element.removeClass(this.options.hoverClass);
			}
			this._trigger("out", event, this.ui(draggable));
		}

	},

	_drop: function(event,custom) {

		var draggable = custom || $.ui.ddmanager.current,
			childrenIntersection = false;

		// Bail if draggable and droppable are same element
		if (!draggable || (draggable.currentItem || draggable.element)[0] === this.element[0]) {
			return false;
		}

		this.element.find(":data(ui-droppable)").not(".ui-draggable-dragging").each(function() {
			var inst = $.data(this, "ui-droppable");
			if(
				inst.options.greedy &&
				!inst.options.disabled &&
				inst.options.scope === draggable.options.scope &&
				inst.accept.call(inst.element[0], (draggable.currentItem || draggable.element)) &&
				$.ui.intersect(draggable, $.extend(inst, { offset: inst.element.offset() }), inst.options.tolerance)
			) { childrenIntersection = true; return false; }
		});
		if(childrenIntersection) {
			return false;
		}

		if(this.accept.call(this.element[0],(draggable.currentItem || draggable.element))) {
			if(this.options.activeClass) {
				this.element.removeClass(this.options.activeClass);
			}
			if(this.options.hoverClass) {
				this.element.removeClass(this.options.hoverClass);
			}
			this._trigger("drop", event, this.ui(draggable));
			return this.element;
		}

		return false;

	},

	ui: function(c) {
		return {
			draggable: (c.currentItem || c.element),
			helper: c.helper,
			position: c.position,
			offset: c.positionAbs
		};
	}

});

$.ui.intersect = function(draggable, droppable, toleranceMode) {

	if (!droppable.offset) {
		return false;
	}

	var draggableLeft, draggableTop,
		x1 = (draggable.positionAbs || draggable.position.absolute).left, x2 = x1 + draggable.helperProportions.width,
		y1 = (draggable.positionAbs || draggable.position.absolute).top, y2 = y1 + draggable.helperProportions.height,
		l = droppable.offset.left, r = l + droppable.proportions.width,
		t = droppable.offset.top, b = t + droppable.proportions.height;

	switch (toleranceMode) {
		case "fit":
			return (l <= x1 && x2 <= r && t <= y1 && y2 <= b);
		case "intersect":
			return (l < x1 + (draggable.helperProportions.width / 2) && // Right Half
				x2 - (draggable.helperProportions.width / 2) < r && // Left Half
				t < y1 + (draggable.helperProportions.height / 2) && // Bottom Half
				y2 - (draggable.helperProportions.height / 2) < b ); // Top Half
		case "pointer":
			draggableLeft = ((draggable.positionAbs || draggable.position.absolute).left + (draggable.clickOffset || draggable.offset.click).left);
			draggableTop = ((draggable.positionAbs || draggable.position.absolute).top + (draggable.clickOffset || draggable.offset.click).top);
			return isOverAxis( draggableTop, t, droppable.proportions.height ) && isOverAxis( draggableLeft, l, droppable.proportions.width );
		case "touch":
			return (
				(y1 >= t && y1 <= b) ||	// Top edge touching
				(y2 >= t && y2 <= b) ||	// Bottom edge touching
				(y1 < t && y2 > b)		// Surrounded vertically
			) && (
				(x1 >= l && x1 <= r) ||	// Left edge touching
				(x2 >= l && x2 <= r) ||	// Right edge touching
				(x1 < l && x2 > r)		// Surrounded horizontally
			);
		default:
			return false;
		}

};

/*
	This manager tracks offsets of draggables and droppables
*/
$.ui.ddmanager = {
	current: null,
	droppables: { "default": [] },
	prepareOffsets: function(t, event) {

		var i, j,
			m = $.ui.ddmanager.droppables[t.options.scope] || [],
			type = event ? event.type : null, // workaround for #2317
			list = (t.currentItem || t.element).find(":data(ui-droppable)").addBack();

		droppablesLoop: for (i = 0; i < m.length; i++) {

			//No disabled and non-accepted
			if(m[i].options.disabled || (t && !m[i].accept.call(m[i].element[0],(t.currentItem || t.element)))) {
				continue;
			}

			// Filter out elements in the current dragged item
			for (j=0; j < list.length; j++) {
				if(list[j] === m[i].element[0]) {
					m[i].proportions.height = 0;
					continue droppablesLoop;
				}
			}

			m[i].visible = m[i].element.css("display") !== "none";
			if(!m[i].visible) {
				continue;
			}

			//Activate the droppable if used directly from draggables
			if(type === "mousedown") {
				m[i]._activate.call(m[i], event);
			}

			m[i].offset = m[i].element.offset();
			m[i].proportions = { width: m[i].element[0].offsetWidth, height: m[i].element[0].offsetHeight };

		}

	},
	drop: function(draggable, event) {

		var dropped = false;
		// Create a copy of the droppables in case the list changes during the drop (#9116)
		$.each(($.ui.ddmanager.droppables[draggable.options.scope] || []).slice(), function() {

			if(!this.options) {
				return;
			}
			if (!this.options.disabled && this.visible && $.ui.intersect(draggable, this, this.options.tolerance)) {
				dropped = this._drop.call(this, event) || dropped;
			}

			if (!this.options.disabled && this.visible && this.accept.call(this.element[0],(draggable.currentItem || draggable.element))) {
				this.isout = true;
				this.isover = false;
				this._deactivate.call(this, event);
			}

		});
		return dropped;

	},
	dragStart: function( draggable, event ) {
		//Listen for scrolling so that if the dragging causes scrolling the position of the droppables can be recalculated (see #5003)
		draggable.element.parentsUntil( "body" ).bind( "scroll.droppable", function() {
			if( !draggable.options.refreshPositions ) {
				$.ui.ddmanager.prepareOffsets( draggable, event );
			}
		});
	},
	drag: function(draggable, event) {

		//If you have a highly dynamic page, you might try this option. It renders positions every time you move the mouse.
		if(draggable.options.refreshPositions) {
			$.ui.ddmanager.prepareOffsets(draggable, event);
		}

		//Run through all droppables and check their positions based on specific tolerance options
		$.each($.ui.ddmanager.droppables[draggable.options.scope] || [], function() {

			if(this.options.disabled || this.greedyChild || !this.visible) {
				return;
			}

			var parentInstance, scope, parent,
				intersects = $.ui.intersect(draggable, this, this.options.tolerance),
				c = !intersects && this.isover ? "isout" : (intersects && !this.isover ? "isover" : null);
			if(!c) {
				return;
			}

			if (this.options.greedy) {
				// find droppable parents with same scope
				scope = this.options.scope;
				parent = this.element.parents(":data(ui-droppable)").filter(function () {
					return $.data(this, "ui-droppable").options.scope === scope;
				});

				if (parent.length) {
					parentInstance = $.data(parent[0], "ui-droppable");
					parentInstance.greedyChild = (c === "isover");
				}
			}

			// we just moved into a greedy child
			if (parentInstance && c === "isover") {
				parentInstance.isover = false;
				parentInstance.isout = true;
				parentInstance._out.call(parentInstance, event);
			}

			this[c] = true;
			this[c === "isout" ? "isover" : "isout"] = false;
			this[c === "isover" ? "_over" : "_out"].call(this, event);

			// we just moved out of a greedy child
			if (parentInstance && c === "isout") {
				parentInstance.isout = false;
				parentInstance.isover = true;
				parentInstance._over.call(parentInstance, event);
			}
		});

	},
	dragStop: function( draggable, event ) {
		draggable.element.parentsUntil( "body" ).unbind( "scroll.droppable" );
		//Call prepareOffsets one final time since IE does not fire return scroll events when overflow was caused by drag (see #5003)
		if( !draggable.options.refreshPositions ) {
			$.ui.ddmanager.prepareOffsets( draggable, event );
		}
	}
};

})(jQuery);

(function( $, undefined ) {

function num(v) {
	return parseInt(v, 10) || 0;
}

function isNumber(value) {
	return !isNaN(parseInt(value, 10));
}

$.widget("ui.resizable", $.ui.mouse, {
	version: "1.10.2",
	widgetEventPrefix: "resize",
	options: {
		alsoResize: false,
		animate: false,
		animateDuration: "slow",
		animateEasing: "swing",
		aspectRatio: false,
		autoHide: false,
		containment: false,
		ghost: false,
		grid: false,
		handles: "e,s,se",
		helper: false,
		maxHeight: null,
		maxWidth: null,
		minHeight: 10,
		minWidth: 10,
		// See #7960
		zIndex: 90,

		// callbacks
		resize: null,
		start: null,
		stop: null
	},
	_create: function() {

		var n, i, handle, axis, hname,
			that = this,
			o = this.options;
		this.element.addClass("ui-resizable");

		$.extend(this, {
			_aspectRatio: !!(o.aspectRatio),
			aspectRatio: o.aspectRatio,
			originalElement: this.element,
			_proportionallyResizeElements: [],
			_helper: o.helper || o.ghost || o.animate ? o.helper || "ui-resizable-helper" : null
		});

		//Wrap the element if it cannot hold child nodes
		if(this.element[0].nodeName.match(/canvas|textarea|input|select|button|img/i)) {

			//Create a wrapper element and set the wrapper to the new current internal element
			this.element.wrap(
				$("<div class='ui-wrapper' style='overflow: hidden;'></div>").css({
					position: this.element.css("position"),
					width: this.element.outerWidth(),
					height: this.element.outerHeight(),
					top: this.element.css("top"),
					left: this.element.css("left")
				})
			);

			//Overwrite the original this.element
			this.element = this.element.parent().data(
				"ui-resizable", this.element.data("ui-resizable")
			);

			this.elementIsWrapper = true;

			//Move margins to the wrapper
			this.element.css({ marginLeft: this.originalElement.css("marginLeft"), marginTop: this.originalElement.css("marginTop"), marginRight: this.originalElement.css("marginRight"), marginBottom: this.originalElement.css("marginBottom") });
			this.originalElement.css({ marginLeft: 0, marginTop: 0, marginRight: 0, marginBottom: 0});

			//Prevent Safari textarea resize
			this.originalResizeStyle = this.originalElement.css("resize");
			this.originalElement.css("resize", "none");

			//Push the actual element to our proportionallyResize internal array
			this._proportionallyResizeElements.push(this.originalElement.css({ position: "static", zoom: 1, display: "block" }));

			// avoid IE jump (hard set the margin)
			this.originalElement.css({ margin: this.originalElement.css("margin") });

			// fix handlers offset
			this._proportionallyResize();

		}

		this.handles = o.handles || (!$(".ui-resizable-handle", this.element).length ? "e,s,se" : { n: ".ui-resizable-n", e: ".ui-resizable-e", s: ".ui-resizable-s", w: ".ui-resizable-w", se: ".ui-resizable-se", sw: ".ui-resizable-sw", ne: ".ui-resizable-ne", nw: ".ui-resizable-nw" });
		if(this.handles.constructor === String) {

			if ( this.handles === "all") {
				this.handles = "n,e,s,w,se,sw,ne,nw";
			}

			n = this.handles.split(",");
			this.handles = {};

			for(i = 0; i < n.length; i++) {

				handle = $.trim(n[i]);
				hname = "ui-resizable-"+handle;
				axis = $("<div class='ui-resizable-handle " + hname + "'></div>");

				// Apply zIndex to all handles - see #7960
				axis.css({ zIndex: o.zIndex });

				//TODO : What's going on here?
				if ("se" === handle) {
					axis.addClass("ui-icon ui-icon-gripsmall-diagonal-se");
				}

				//Insert into internal handles object and append to element
				this.handles[handle] = ".ui-resizable-"+handle;
				this.element.append(axis);
			}

		}

		this._renderAxis = function(target) {

			var i, axis, padPos, padWrapper;

			target = target || this.element;

			for(i in this.handles) {

				if(this.handles[i].constructor === String) {
					this.handles[i] = $(this.handles[i], this.element).show();
				}

				//Apply pad to wrapper element, needed to fix axis position (textarea, inputs, scrolls)
				if (this.elementIsWrapper && this.originalElement[0].nodeName.match(/textarea|input|select|button/i)) {

					axis = $(this.handles[i], this.element);

					//Checking the correct pad and border
					padWrapper = /sw|ne|nw|se|n|s/.test(i) ? axis.outerHeight() : axis.outerWidth();

					//The padding type i have to apply...
					padPos = [ "padding",
						/ne|nw|n/.test(i) ? "Top" :
						/se|sw|s/.test(i) ? "Bottom" :
						/^e$/.test(i) ? "Right" : "Left" ].join("");

					target.css(padPos, padWrapper);

					this._proportionallyResize();

				}

				//TODO: What's that good for? There's not anything to be executed left
				if(!$(this.handles[i]).length) {
					continue;
				}
			}
		};

		//TODO: make renderAxis a prototype function
		this._renderAxis(this.element);

		this._handles = $(".ui-resizable-handle", this.element)
			.disableSelection();

		//Matching axis name
		this._handles.mouseover(function() {
			if (!that.resizing) {
				if (this.className) {
					axis = this.className.match(/ui-resizable-(se|sw|ne|nw|n|e|s|w)/i);
				}
				//Axis, default = se
				that.axis = axis && axis[1] ? axis[1] : "se";
			}
		});

		//If we want to auto hide the elements
		if (o.autoHide) {
			this._handles.hide();
			$(this.element)
				.addClass("ui-resizable-autohide")
				.mouseenter(function() {
					if (o.disabled) {
						return;
					}
					$(this).removeClass("ui-resizable-autohide");
					that._handles.show();
				})
				.mouseleave(function(){
					if (o.disabled) {
						return;
					}
					if (!that.resizing) {
						$(this).addClass("ui-resizable-autohide");
						that._handles.hide();
					}
				});
		}

		//Initialize the mouse interaction
		this._mouseInit();

	},

	_destroy: function() {

		this._mouseDestroy();

		var wrapper,
			_destroy = function(exp) {
				$(exp).removeClass("ui-resizable ui-resizable-disabled ui-resizable-resizing")
					.removeData("resizable").removeData("ui-resizable").unbind(".resizable").find(".ui-resizable-handle").remove();
			};

		//TODO: Unwrap at same DOM position
		if (this.elementIsWrapper) {
			_destroy(this.element);
			wrapper = this.element;
			this.originalElement.css({
				position: wrapper.css("position"),
				width: wrapper.outerWidth(),
				height: wrapper.outerHeight(),
				top: wrapper.css("top"),
				left: wrapper.css("left")
			}).insertAfter( wrapper );
			wrapper.remove();
		}

		this.originalElement.css("resize", this.originalResizeStyle);
		_destroy(this.originalElement);

		return this;
	},

	_mouseCapture: function(event) {
		var i, handle,
			capture = false;

		for (i in this.handles) {
			handle = $(this.handles[i])[0];
			if (handle === event.target || $.contains(handle, event.target)) {
				capture = true;
			}
		}

		return !this.options.disabled && capture;
	},

	_mouseStart: function(event) {

		var curleft, curtop, cursor,
			o = this.options,
			iniPos = this.element.position(),
			el = this.element;

		this.resizing = true;

		// bugfix for http://dev.jquery.com/ticket/1749
		if ( (/absolute/).test( el.css("position") ) ) {
			el.css({ position: "absolute", top: el.css("top"), left: el.css("left") });
		} else if (el.is(".ui-draggable")) {
			el.css({ position: "absolute", top: iniPos.top, left: iniPos.left });
		}

		this._renderProxy();

		curleft = num(this.helper.css("left"));
		curtop = num(this.helper.css("top"));

		if (o.containment) {
			curleft += $(o.containment).scrollLeft() || 0;
			curtop += $(o.containment).scrollTop() || 0;
		}

		//Store needed variables
		this.offset = this.helper.offset();
		this.position = { left: curleft, top: curtop };
		this.size = this._helper ? { width: el.outerWidth(), height: el.outerHeight() } : { width: el.width(), height: el.height() };
		this.originalSize = this._helper ? { width: el.outerWidth(), height: el.outerHeight() } : { width: el.width(), height: el.height() };
		this.originalPosition = { left: curleft, top: curtop };
		this.sizeDiff = { width: el.outerWidth() - el.width(), height: el.outerHeight() - el.height() };
		this.originalMousePosition = { left: event.pageX, top: event.pageY };

		//Aspect Ratio
		this.aspectRatio = (typeof o.aspectRatio === "number") ? o.aspectRatio : ((this.originalSize.width / this.originalSize.height) || 1);

		cursor = $(".ui-resizable-" + this.axis).css("cursor");
		$("body").css("cursor", cursor === "auto" ? this.axis + "-resize" : cursor);

		el.addClass("ui-resizable-resizing");
		this._propagate("start", event);
		return true;
	},

	_mouseDrag: function(event) {

		//Increase performance, avoid regex
		var data,
			el = this.helper, props = {},
			smp = this.originalMousePosition,
			a = this.axis,
			prevTop = this.position.top,
			prevLeft = this.position.left,
			prevWidth = this.size.width,
			prevHeight = this.size.height,
			dx = (event.pageX-smp.left)||0,
			dy = (event.pageY-smp.top)||0,
			trigger = this._change[a];

		if (!trigger) {
			return false;
		}

		// Calculate the attrs that will be change
		data = trigger.apply(this, [event, dx, dy]);

		// Put this in the mouseDrag handler since the user can start pressing shift while resizing
		this._updateVirtualBoundaries(event.shiftKey);
		if (this._aspectRatio || event.shiftKey) {
			data = this._updateRatio(data, event);
		}

		data = this._respectSize(data, event);

		this._updateCache(data);

		// plugins callbacks need to be called first
		this._propagate("resize", event);

		if (this.position.top !== prevTop) {
			props.top = this.position.top + "px";
		}
		if (this.position.left !== prevLeft) {
			props.left = this.position.left + "px";
		}
		if (this.size.width !== prevWidth) {
			props.width = this.size.width + "px";
		}
		if (this.size.height !== prevHeight) {
			props.height = this.size.height + "px";
		}
		el.css(props);

		if (!this._helper && this._proportionallyResizeElements.length) {
			this._proportionallyResize();
		}

		// Call the user callback if the element was resized
		if ( ! $.isEmptyObject(props) ) {
			this._trigger("resize", event, this.ui());
		}

		return false;
	},

	_mouseStop: function(event) {

		this.resizing = false;
		var pr, ista, soffseth, soffsetw, s, left, top,
			o = this.options, that = this;

		if(this._helper) {

			pr = this._proportionallyResizeElements;
			ista = pr.length && (/textarea/i).test(pr[0].nodeName);
			soffseth = ista && $.ui.hasScroll(pr[0], "left") /* TODO - jump height */ ? 0 : that.sizeDiff.height;
			soffsetw = ista ? 0 : that.sizeDiff.width;

			s = { width: (that.helper.width()  - soffsetw), height: (that.helper.height() - soffseth) };
			left = (parseInt(that.element.css("left"), 10) + (that.position.left - that.originalPosition.left)) || null;
			top = (parseInt(that.element.css("top"), 10) + (that.position.top - that.originalPosition.top)) || null;

			if (!o.animate) {
				this.element.css($.extend(s, { top: top, left: left }));
			}

			that.helper.height(that.size.height);
			that.helper.width(that.size.width);

			if (this._helper && !o.animate) {
				this._proportionallyResize();
			}
		}

		$("body").css("cursor", "auto");

		this.element.removeClass("ui-resizable-resizing");

		this._propagate("stop", event);

		if (this._helper) {
			this.helper.remove();
		}

		return false;

	},

	_updateVirtualBoundaries: function(forceAspectRatio) {
		var pMinWidth, pMaxWidth, pMinHeight, pMaxHeight, b,
			o = this.options;

		b = {
			minWidth: isNumber(o.minWidth) ? o.minWidth : 0,
			maxWidth: isNumber(o.maxWidth) ? o.maxWidth : Infinity,
			minHeight: isNumber(o.minHeight) ? o.minHeight : 0,
			maxHeight: isNumber(o.maxHeight) ? o.maxHeight : Infinity
		};

		if(this._aspectRatio || forceAspectRatio) {
			// We want to create an enclosing box whose aspect ration is the requested one
			// First, compute the "projected" size for each dimension based on the aspect ratio and other dimension
			pMinWidth = b.minHeight * this.aspectRatio;
			pMinHeight = b.minWidth / this.aspectRatio;
			pMaxWidth = b.maxHeight * this.aspectRatio;
			pMaxHeight = b.maxWidth / this.aspectRatio;

			if(pMinWidth > b.minWidth) {
				b.minWidth = pMinWidth;
			}
			if(pMinHeight > b.minHeight) {
				b.minHeight = pMinHeight;
			}
			if(pMaxWidth < b.maxWidth) {
				b.maxWidth = pMaxWidth;
			}
			if(pMaxHeight < b.maxHeight) {
				b.maxHeight = pMaxHeight;
			}
		}
		this._vBoundaries = b;
	},

	_updateCache: function(data) {
		this.offset = this.helper.offset();
		if (isNumber(data.left)) {
			this.position.left = data.left;
		}
		if (isNumber(data.top)) {
			this.position.top = data.top;
		}
		if (isNumber(data.height)) {
			this.size.height = data.height;
		}
		if (isNumber(data.width)) {
			this.size.width = data.width;
		}
	},

	_updateRatio: function( data ) {

		var cpos = this.position,
			csize = this.size,
			a = this.axis;

		if (isNumber(data.height)) {
			data.width = (data.height * this.aspectRatio);
		} else if (isNumber(data.width)) {
			data.height = (data.width / this.aspectRatio);
		}

		if (a === "sw") {
			data.left = cpos.left + (csize.width - data.width);
			data.top = null;
		}
		if (a === "nw") {
			data.top = cpos.top + (csize.height - data.height);
			data.left = cpos.left + (csize.width - data.width);
		}

		return data;
	},

	_respectSize: function( data ) {

		var o = this._vBoundaries,
			a = this.axis,
			ismaxw = isNumber(data.width) && o.maxWidth && (o.maxWidth < data.width), ismaxh = isNumber(data.height) && o.maxHeight && (o.maxHeight < data.height),
			isminw = isNumber(data.width) && o.minWidth && (o.minWidth > data.width), isminh = isNumber(data.height) && o.minHeight && (o.minHeight > data.height),
			dw = this.originalPosition.left + this.originalSize.width,
			dh = this.position.top + this.size.height,
			cw = /sw|nw|w/.test(a), ch = /nw|ne|n/.test(a);
		if (isminw) {
			data.width = o.minWidth;
		}
		if (isminh) {
			data.height = o.minHeight;
		}
		if (ismaxw) {
			data.width = o.maxWidth;
		}
		if (ismaxh) {
			data.height = o.maxHeight;
		}

		if (isminw && cw) {
			data.left = dw - o.minWidth;
		}
		if (ismaxw && cw) {
			data.left = dw - o.maxWidth;
		}
		if (isminh && ch) {
			data.top = dh - o.minHeight;
		}
		if (ismaxh && ch) {
			data.top = dh - o.maxHeight;
		}

		// fixing jump error on top/left - bug #2330
		if (!data.width && !data.height && !data.left && data.top) {
			data.top = null;
		} else if (!data.width && !data.height && !data.top && data.left) {
			data.left = null;
		}

		return data;
	},

	_proportionallyResize: function() {

		if (!this._proportionallyResizeElements.length) {
			return;
		}

		var i, j, borders, paddings, prel,
			element = this.helper || this.element;

		for ( i=0; i < this._proportionallyResizeElements.length; i++) {

			prel = this._proportionallyResizeElements[i];

			if (!this.borderDif) {
				this.borderDif = [];
				borders = [prel.css("borderTopWidth"), prel.css("borderRightWidth"), prel.css("borderBottomWidth"), prel.css("borderLeftWidth")];
				paddings = [prel.css("paddingTop"), prel.css("paddingRight"), prel.css("paddingBottom"), prel.css("paddingLeft")];

				for ( j = 0; j < borders.length; j++ ) {
					this.borderDif[ j ] = ( parseInt( borders[ j ], 10 ) || 0 ) + ( parseInt( paddings[ j ], 10 ) || 0 );
				}
			}

			prel.css({
				height: (element.height() - this.borderDif[0] - this.borderDif[2]) || 0,
				width: (element.width() - this.borderDif[1] - this.borderDif[3]) || 0
			});

		}

	},

	_renderProxy: function() {

		var el = this.element, o = this.options;
		this.elementOffset = el.offset();

		if(this._helper) {

			this.helper = this.helper || $("<div style='overflow:hidden;'></div>");

			this.helper.addClass(this._helper).css({
				width: this.element.outerWidth() - 1,
				height: this.element.outerHeight() - 1,
				position: "absolute",
				left: this.elementOffset.left +"px",
				top: this.elementOffset.top +"px",
				zIndex: ++o.zIndex //TODO: Don't modify option
			});

			this.helper
				.appendTo("body")
				.disableSelection();

		} else {
			this.helper = this.element;
		}

	},

	_change: {
		e: function(event, dx) {
			return { width: this.originalSize.width + dx };
		},
		w: function(event, dx) {
			var cs = this.originalSize, sp = this.originalPosition;
			return { left: sp.left + dx, width: cs.width - dx };
		},
		n: function(event, dx, dy) {
			var cs = this.originalSize, sp = this.originalPosition;
			return { top: sp.top + dy, height: cs.height - dy };
		},
		s: function(event, dx, dy) {
			return { height: this.originalSize.height + dy };
		},
		se: function(event, dx, dy) {
			return $.extend(this._change.s.apply(this, arguments), this._change.e.apply(this, [event, dx, dy]));
		},
		sw: function(event, dx, dy) {
			return $.extend(this._change.s.apply(this, arguments), this._change.w.apply(this, [event, dx, dy]));
		},
		ne: function(event, dx, dy) {
			return $.extend(this._change.n.apply(this, arguments), this._change.e.apply(this, [event, dx, dy]));
		},
		nw: function(event, dx, dy) {
			return $.extend(this._change.n.apply(this, arguments), this._change.w.apply(this, [event, dx, dy]));
		}
	},

	_propagate: function(n, event) {
		$.ui.plugin.call(this, n, [event, this.ui()]);
		(n !== "resize" && this._trigger(n, event, this.ui()));
	},

	plugins: {},

	ui: function() {
		return {
			originalElement: this.originalElement,
			element: this.element,
			helper: this.helper,
			position: this.position,
			size: this.size,
			originalSize: this.originalSize,
			originalPosition: this.originalPosition
		};
	}

});

/*
 * Resizable Extensions
 */

$.ui.plugin.add("resizable", "animate", {

	stop: function( event ) {
		var that = $(this).data("ui-resizable"),
			o = that.options,
			pr = that._proportionallyResizeElements,
			ista = pr.length && (/textarea/i).test(pr[0].nodeName),
			soffseth = ista && $.ui.hasScroll(pr[0], "left") /* TODO - jump height */ ? 0 : that.sizeDiff.height,
			soffsetw = ista ? 0 : that.sizeDiff.width,
			style = { width: (that.size.width - soffsetw), height: (that.size.height - soffseth) },
			left = (parseInt(that.element.css("left"), 10) + (that.position.left - that.originalPosition.left)) || null,
			top = (parseInt(that.element.css("top"), 10) + (that.position.top - that.originalPosition.top)) || null;

		that.element.animate(
			$.extend(style, top && left ? { top: top, left: left } : {}), {
				duration: o.animateDuration,
				easing: o.animateEasing,
				step: function() {

					var data = {
						width: parseInt(that.element.css("width"), 10),
						height: parseInt(that.element.css("height"), 10),
						top: parseInt(that.element.css("top"), 10),
						left: parseInt(that.element.css("left"), 10)
					};

					if (pr && pr.length) {
						$(pr[0]).css({ width: data.width, height: data.height });
					}

					// propagating resize, and updating values for each animation step
					that._updateCache(data);
					that._propagate("resize", event);

				}
			}
		);
	}

});

$.ui.plugin.add("resizable", "containment", {

	start: function() {
		var element, p, co, ch, cw, width, height,
			that = $(this).data("ui-resizable"),
			o = that.options,
			el = that.element,
			oc = o.containment,
			ce = (oc instanceof $) ? oc.get(0) : (/parent/.test(oc)) ? el.parent().get(0) : oc;

		if (!ce) {
			return;
		}

		that.containerElement = $(ce);

		if (/document/.test(oc) || oc === document) {
			that.containerOffset = { left: 0, top: 0 };
			that.containerPosition = { left: 0, top: 0 };

			that.parentData = {
				element: $(document), left: 0, top: 0,
				width: $(document).width(), height: $(document).height() || document.body.parentNode.scrollHeight
			};
		}

		// i'm a node, so compute top, left, right, bottom
		else {
			element = $(ce);
			p = [];
			$([ "Top", "Right", "Left", "Bottom" ]).each(function(i, name) { p[i] = num(element.css("padding" + name)); });

			that.containerOffset = element.offset();
			that.containerPosition = element.position();
			that.containerSize = { height: (element.innerHeight() - p[3]), width: (element.innerWidth() - p[1]) };

			co = that.containerOffset;
			ch = that.containerSize.height;
			cw = that.containerSize.width;
			width = ($.ui.hasScroll(ce, "left") ? ce.scrollWidth : cw );
			height = ($.ui.hasScroll(ce) ? ce.scrollHeight : ch);

			that.parentData = {
				element: ce, left: co.left, top: co.top, width: width, height: height
			};
		}
	},

	resize: function( event ) {
		var woset, hoset, isParent, isOffsetRelative,
			that = $(this).data("ui-resizable"),
			o = that.options,
			co = that.containerOffset, cp = that.position,
			pRatio = that._aspectRatio || event.shiftKey,
			cop = { top:0, left:0 }, ce = that.containerElement;

		if (ce[0] !== document && (/static/).test(ce.css("position"))) {
			cop = co;
		}

		if (cp.left < (that._helper ? co.left : 0)) {
			that.size.width = that.size.width + (that._helper ? (that.position.left - co.left) : (that.position.left - cop.left));
			if (pRatio) {
				that.size.height = that.size.width / that.aspectRatio;
			}
			that.position.left = o.helper ? co.left : 0;
		}

		if (cp.top < (that._helper ? co.top : 0)) {
			that.size.height = that.size.height + (that._helper ? (that.position.top - co.top) : that.position.top);
			if (pRatio) {
				that.size.width = that.size.height * that.aspectRatio;
			}
			that.position.top = that._helper ? co.top : 0;
		}

		that.offset.left = that.parentData.left+that.position.left;
		that.offset.top = that.parentData.top+that.position.top;

		woset = Math.abs( (that._helper ? that.offset.left - cop.left : (that.offset.left - cop.left)) + that.sizeDiff.width );
		hoset = Math.abs( (that._helper ? that.offset.top - cop.top : (that.offset.top - co.top)) + that.sizeDiff.height );

		isParent = that.containerElement.get(0) === that.element.parent().get(0);
		isOffsetRelative = /relative|absolute/.test(that.containerElement.css("position"));

		if(isParent && isOffsetRelative) {
			woset -= that.parentData.left;
		}

		if (woset + that.size.width >= that.parentData.width) {
			that.size.width = that.parentData.width - woset;
			if (pRatio) {
				that.size.height = that.size.width / that.aspectRatio;
			}
		}

		if (hoset + that.size.height >= that.parentData.height) {
			that.size.height = that.parentData.height - hoset;
			if (pRatio) {
				that.size.width = that.size.height * that.aspectRatio;
			}
		}
	},

	stop: function(){
		var that = $(this).data("ui-resizable"),
			o = that.options,
			co = that.containerOffset,
			cop = that.containerPosition,
			ce = that.containerElement,
			helper = $(that.helper),
			ho = helper.offset(),
			w = helper.outerWidth() - that.sizeDiff.width,
			h = helper.outerHeight() - that.sizeDiff.height;

		if (that._helper && !o.animate && (/relative/).test(ce.css("position"))) {
			$(this).css({ left: ho.left - cop.left - co.left, width: w, height: h });
		}

		if (that._helper && !o.animate && (/static/).test(ce.css("position"))) {
			$(this).css({ left: ho.left - cop.left - co.left, width: w, height: h });
		}

	}
});

$.ui.plugin.add("resizable", "alsoResize", {

	start: function () {
		var that = $(this).data("ui-resizable"),
			o = that.options,
			_store = function (exp) {
				$(exp).each(function() {
					var el = $(this);
					el.data("ui-resizable-alsoresize", {
						width: parseInt(el.width(), 10), height: parseInt(el.height(), 10),
						left: parseInt(el.css("left"), 10), top: parseInt(el.css("top"), 10)
					});
				});
			};

		if (typeof(o.alsoResize) === "object" && !o.alsoResize.parentNode) {
			if (o.alsoResize.length) { o.alsoResize = o.alsoResize[0]; _store(o.alsoResize); }
			else { $.each(o.alsoResize, function (exp) { _store(exp); }); }
		}else{
			_store(o.alsoResize);
		}
	},

	resize: function (event, ui) {
		var that = $(this).data("ui-resizable"),
			o = that.options,
			os = that.originalSize,
			op = that.originalPosition,
			delta = {
				height: (that.size.height - os.height) || 0, width: (that.size.width - os.width) || 0,
				top: (that.position.top - op.top) || 0, left: (that.position.left - op.left) || 0
			},

			_alsoResize = function (exp, c) {
				$(exp).each(function() {
					var el = $(this), start = $(this).data("ui-resizable-alsoresize"), style = {},
						css = c && c.length ? c : el.parents(ui.originalElement[0]).length ? ["width", "height"] : ["width", "height", "top", "left"];

					$.each(css, function (i, prop) {
						var sum = (start[prop]||0) + (delta[prop]||0);
						if (sum && sum >= 0) {
							style[prop] = sum || null;
						}
					});

					el.css(style);
				});
			};

		if (typeof(o.alsoResize) === "object" && !o.alsoResize.nodeType) {
			$.each(o.alsoResize, function (exp, c) { _alsoResize(exp, c); });
		}else{
			_alsoResize(o.alsoResize);
		}
	},

	stop: function () {
		$(this).removeData("resizable-alsoresize");
	}
});

$.ui.plugin.add("resizable", "ghost", {

	start: function() {

		var that = $(this).data("ui-resizable"), o = that.options, cs = that.size;

		that.ghost = that.originalElement.clone();
		that.ghost
			.css({ opacity: 0.25, display: "block", position: "relative", height: cs.height, width: cs.width, margin: 0, left: 0, top: 0 })
			.addClass("ui-resizable-ghost")
			.addClass(typeof o.ghost === "string" ? o.ghost : "");

		that.ghost.appendTo(that.helper);

	},

	resize: function(){
		var that = $(this).data("ui-resizable");
		if (that.ghost) {
			that.ghost.css({ position: "relative", height: that.size.height, width: that.size.width });
		}
	},

	stop: function() {
		var that = $(this).data("ui-resizable");
		if (that.ghost && that.helper) {
			that.helper.get(0).removeChild(that.ghost.get(0));
		}
	}

});

$.ui.plugin.add("resizable", "grid", {

	resize: function() {
		var that = $(this).data("ui-resizable"),
			o = that.options,
			cs = that.size,
			os = that.originalSize,
			op = that.originalPosition,
			a = that.axis,
			grid = typeof o.grid === "number" ? [o.grid, o.grid] : o.grid,
			gridX = (grid[0]||1),
			gridY = (grid[1]||1),
			ox = Math.round((cs.width - os.width) / gridX) * gridX,
			oy = Math.round((cs.height - os.height) / gridY) * gridY,
			newWidth = os.width + ox,
			newHeight = os.height + oy,
			isMaxWidth = o.maxWidth && (o.maxWidth < newWidth),
			isMaxHeight = o.maxHeight && (o.maxHeight < newHeight),
			isMinWidth = o.minWidth && (o.minWidth > newWidth),
			isMinHeight = o.minHeight && (o.minHeight > newHeight);

		o.grid = grid;

		if (isMinWidth) {
			newWidth = newWidth + gridX;
		}
		if (isMinHeight) {
			newHeight = newHeight + gridY;
		}
		if (isMaxWidth) {
			newWidth = newWidth - gridX;
		}
		if (isMaxHeight) {
			newHeight = newHeight - gridY;
		}

		if (/^(se|s|e)$/.test(a)) {
			that.size.width = newWidth;
			that.size.height = newHeight;
		} else if (/^(ne)$/.test(a)) {
			that.size.width = newWidth;
			that.size.height = newHeight;
			that.position.top = op.top - oy;
		} else if (/^(sw)$/.test(a)) {
			that.size.width = newWidth;
			that.size.height = newHeight;
			that.position.left = op.left - ox;
		} else {
			that.size.width = newWidth;
			that.size.height = newHeight;
			that.position.top = op.top - oy;
			that.position.left = op.left - ox;
		}
	}

});

})(jQuery);

(function( $, undefined ) {

$.widget("ui.selectable", $.ui.mouse, {
	version: "1.10.2",
	options: {
		appendTo: "body",
		autoRefresh: true,
		distance: 0,
		filter: "*",
		tolerance: "touch",

		// callbacks
		selected: null,
		selecting: null,
		start: null,
		stop: null,
		unselected: null,
		unselecting: null
	},
	_create: function() {
		var selectees,
			that = this;

		this.element.addClass("ui-selectable");

		this.dragged = false;

		// cache selectee children based on filter
		this.refresh = function() {
			selectees = $(that.options.filter, that.element[0]);
			selectees.addClass("ui-selectee");
			selectees.each(function() {
				var $this = $(this),
					pos = $this.offset();
				$.data(this, "selectable-item", {
					element: this,
					$element: $this,
					left: pos.left,
					top: pos.top,
					right: pos.left + $this.outerWidth(),
					bottom: pos.top + $this.outerHeight(),
					startselected: false,
					selected: $this.hasClass("ui-selected"),
					selecting: $this.hasClass("ui-selecting"),
					unselecting: $this.hasClass("ui-unselecting")
				});
			});
		};
		this.refresh();

		this.selectees = selectees.addClass("ui-selectee");

		this._mouseInit();

		this.helper = $("<div class='ui-selectable-helper'></div>");
	},

	_destroy: function() {
		this.selectees
			.removeClass("ui-selectee")
			.removeData("selectable-item");
		this.element
			.removeClass("ui-selectable ui-selectable-disabled");
		this._mouseDestroy();
	},

	_mouseStart: function(event) {
		var that = this,
			options = this.options;

		this.opos = [event.pageX, event.pageY];

		if (this.options.disabled) {
			return;
		}

		this.selectees = $(options.filter, this.element[0]);

		this._trigger("start", event);

		$(options.appendTo).append(this.helper);
		// position helper (lasso)
		this.helper.css({
			"left": event.pageX,
			"top": event.pageY,
			"width": 0,
			"height": 0
		});

		if (options.autoRefresh) {
			this.refresh();
		}

		this.selectees.filter(".ui-selected").each(function() {
			var selectee = $.data(this, "selectable-item");
			selectee.startselected = true;
			if (!event.metaKey && !event.ctrlKey) {
				selectee.$element.removeClass("ui-selected");
				selectee.selected = false;
				selectee.$element.addClass("ui-unselecting");
				selectee.unselecting = true;
				// selectable UNSELECTING callback
				that._trigger("unselecting", event, {
					unselecting: selectee.element
				});
			}
		});

		$(event.target).parents().addBack().each(function() {
			var doSelect,
				selectee = $.data(this, "selectable-item");
			if (selectee) {
				doSelect = (!event.metaKey && !event.ctrlKey) || !selectee.$element.hasClass("ui-selected");
				selectee.$element
					.removeClass(doSelect ? "ui-unselecting" : "ui-selected")
					.addClass(doSelect ? "ui-selecting" : "ui-unselecting");
				selectee.unselecting = !doSelect;
				selectee.selecting = doSelect;
				selectee.selected = doSelect;
				// selectable (UN)SELECTING callback
				if (doSelect) {
					that._trigger("selecting", event, {
						selecting: selectee.element
					});
				} else {
					that._trigger("unselecting", event, {
						unselecting: selectee.element
					});
				}
				return false;
			}
		});

	},

	_mouseDrag: function(event) {

		this.dragged = true;

		if (this.options.disabled) {
			return;
		}

		var tmp,
			that = this,
			options = this.options,
			x1 = this.opos[0],
			y1 = this.opos[1],
			x2 = event.pageX,
			y2 = event.pageY;

		if (x1 > x2) { tmp = x2; x2 = x1; x1 = tmp; }
		if (y1 > y2) { tmp = y2; y2 = y1; y1 = tmp; }
		this.helper.css({left: x1, top: y1, width: x2-x1, height: y2-y1});

		this.selectees.each(function() {
			var selectee = $.data(this, "selectable-item"),
				hit = false;

			//prevent helper from being selected if appendTo: selectable
			if (!selectee || selectee.element === that.element[0]) {
				return;
			}

			if (options.tolerance === "touch") {
				hit = ( !(selectee.left > x2 || selectee.right < x1 || selectee.top > y2 || selectee.bottom < y1) );
			} else if (options.tolerance === "fit") {
				hit = (selectee.left > x1 && selectee.right < x2 && selectee.top > y1 && selectee.bottom < y2);
			}

			if (hit) {
				// SELECT
				if (selectee.selected) {
					selectee.$element.removeClass("ui-selected");
					selectee.selected = false;
				}
				if (selectee.unselecting) {
					selectee.$element.removeClass("ui-unselecting");
					selectee.unselecting = false;
				}
				if (!selectee.selecting) {
					selectee.$element.addClass("ui-selecting");
					selectee.selecting = true;
					// selectable SELECTING callback
					that._trigger("selecting", event, {
						selecting: selectee.element
					});
				}
			} else {
				// UNSELECT
				if (selectee.selecting) {
					if ((event.metaKey || event.ctrlKey) && selectee.startselected) {
						selectee.$element.removeClass("ui-selecting");
						selectee.selecting = false;
						selectee.$element.addClass("ui-selected");
						selectee.selected = true;
					} else {
						selectee.$element.removeClass("ui-selecting");
						selectee.selecting = false;
						if (selectee.startselected) {
							selectee.$element.addClass("ui-unselecting");
							selectee.unselecting = true;
						}
						// selectable UNSELECTING callback
						that._trigger("unselecting", event, {
							unselecting: selectee.element
						});
					}
				}
				if (selectee.selected) {
					if (!event.metaKey && !event.ctrlKey && !selectee.startselected) {
						selectee.$element.removeClass("ui-selected");
						selectee.selected = false;

						selectee.$element.addClass("ui-unselecting");
						selectee.unselecting = true;
						// selectable UNSELECTING callback
						that._trigger("unselecting", event, {
							unselecting: selectee.element
						});
					}
				}
			}
		});

		return false;
	},

	_mouseStop: function(event) {
		var that = this;

		this.dragged = false;

		$(".ui-unselecting", this.element[0]).each(function() {
			var selectee = $.data(this, "selectable-item");
			selectee.$element.removeClass("ui-unselecting");
			selectee.unselecting = false;
			selectee.startselected = false;
			that._trigger("unselected", event, {
				unselected: selectee.element
			});
		});
		$(".ui-selecting", this.element[0]).each(function() {
			var selectee = $.data(this, "selectable-item");
			selectee.$element.removeClass("ui-selecting").addClass("ui-selected");
			selectee.selecting = false;
			selectee.selected = true;
			selectee.startselected = true;
			that._trigger("selected", event, {
				selected: selectee.element
			});
		});
		this._trigger("stop", event);

		this.helper.remove();

		return false;
	}

});

})(jQuery);

(function( $, undefined ) {

/*jshint loopfunc: true */

function isOverAxis( x, reference, size ) {
	return ( x > reference ) && ( x < ( reference + size ) );
}

function isFloating(item) {
	return (/left|right/).test(item.css("float")) || (/inline|table-cell/).test(item.css("display"));
}

$.widget("ui.sortable", $.ui.mouse, {
	version: "1.10.2",
	widgetEventPrefix: "sort",
	ready: false,
	options: {
		appendTo: "parent",
		axis: false,
		connectWith: false,
		containment: false,
		cursor: "auto",
		cursorAt: false,
		dropOnEmpty: true,
		forcePlaceholderSize: false,
		forceHelperSize: false,
		grid: false,
		handle: false,
		helper: "original",
		items: "> *",
		opacity: false,
		placeholder: false,
		revert: false,
		scroll: true,
		scrollSensitivity: 20,
		scrollSpeed: 20,
		scope: "default",
		tolerance: "intersect",
		zIndex: 1000,

		// callbacks
		activate: null,
		beforeStop: null,
		change: null,
		deactivate: null,
		out: null,
		over: null,
		receive: null,
		remove: null,
		sort: null,
		start: null,
		stop: null,
		update: null
	},
	_create: function() {

		var o = this.options;
		this.containerCache = {};
		this.element.addClass("ui-sortable");

		//Get the items
		this.refresh();

		//Let's determine if the items are being displayed horizontally
		this.floating = this.items.length ? o.axis === "x" || isFloating(this.items[0].item) : false;

		//Let's determine the parent's offset
		this.offset = this.element.offset();

		//Initialize mouse events for interaction
		this._mouseInit();

		//We're ready to go
		this.ready = true;

	},

	_destroy: function() {
		this.element
			.removeClass("ui-sortable ui-sortable-disabled");
		this._mouseDestroy();

		for ( var i = this.items.length - 1; i >= 0; i-- ) {
			this.items[i].item.removeData(this.widgetName + "-item");
		}

		return this;
	},

	_setOption: function(key, value){
		if ( key === "disabled" ) {
			this.options[ key ] = value;

			this.widget().toggleClass( "ui-sortable-disabled", !!value );
		} else {
			// Don't call widget base _setOption for disable as it adds ui-state-disabled class
			$.Widget.prototype._setOption.apply(this, arguments);
		}
	},

	_mouseCapture: function(event, overrideHandle) {
		var currentItem = null,
			validHandle = false,
			that = this;

		if (this.reverting) {
			return false;
		}

		if(this.options.disabled || this.options.type === "static") {
			return false;
		}

		//We have to refresh the items data once first
		this._refreshItems(event);

		//Find out if the clicked node (or one of its parents) is a actual item in this.items
		$(event.target).parents().each(function() {
			if($.data(this, that.widgetName + "-item") === that) {
				currentItem = $(this);
				return false;
			}
		});
		if($.data(event.target, that.widgetName + "-item") === that) {
			currentItem = $(event.target);
		}

		if(!currentItem) {
			return false;
		}
		if(this.options.handle && !overrideHandle) {
			$(this.options.handle, currentItem).find("*").addBack().each(function() {
				if(this === event.target) {
					validHandle = true;
				}
			});
			if(!validHandle) {
				return false;
			}
		}

		this.currentItem = currentItem;
		this._removeCurrentsFromItems();
		return true;

	},

	_mouseStart: function(event, overrideHandle, noActivation) {

		var i, body,
			o = this.options;

		this.currentContainer = this;

		//We only need to call refreshPositions, because the refreshItems call has been moved to mouseCapture
		this.refreshPositions();

		//Create and append the visible helper
		this.helper = this._createHelper(event);

		//Cache the helper size
		this._cacheHelperProportions();

		/*
		 * - Position generation -
		 * This block generates everything position related - it's the core of draggables.
		 */

		//Cache the margins of the original element
		this._cacheMargins();

		//Get the next scrolling parent
		this.scrollParent = this.helper.scrollParent();

		//The element's absolute position on the page minus margins
		this.offset = this.currentItem.offset();
		this.offset = {
			top: this.offset.top - this.margins.top,
			left: this.offset.left - this.margins.left
		};

		$.extend(this.offset, {
			click: { //Where the click happened, relative to the element
				left: event.pageX - this.offset.left,
				top: event.pageY - this.offset.top
			},
			parent: this._getParentOffset(),
			relative: this._getRelativeOffset() //This is a relative to absolute position minus the actual position calculation - only used for relative positioned helper
		});

		// Only after we got the offset, we can change the helper's position to absolute
		// TODO: Still need to figure out a way to make relative sorting possible
		this.helper.css("position", "absolute");
		this.cssPosition = this.helper.css("position");

		//Generate the original position
		this.originalPosition = this._generatePosition(event);
		this.originalPageX = event.pageX;
		this.originalPageY = event.pageY;

		//Adjust the mouse offset relative to the helper if "cursorAt" is supplied
		(o.cursorAt && this._adjustOffsetFromHelper(o.cursorAt));

		//Cache the former DOM position
		this.domPosition = { prev: this.currentItem.prev()[0], parent: this.currentItem.parent()[0] };

		//If the helper is not the original, hide the original so it's not playing any role during the drag, won't cause anything bad this way
		if(this.helper[0] !== this.currentItem[0]) {
			this.currentItem.hide();
		}

		//Create the placeholder
		this._createPlaceholder();

		//Set a containment if given in the options
		if(o.containment) {
			this._setContainment();
		}

		if( o.cursor && o.cursor !== "auto" ) { // cursor option
			body = this.document.find( "body" );

			// support: IE
			this.storedCursor = body.css( "cursor" );
			body.css( "cursor", o.cursor );

			this.storedStylesheet = $( "<style>*{ cursor: "+o.cursor+" !important; }</style>" ).appendTo( body );
		}

		if(o.opacity) { // opacity option
			if (this.helper.css("opacity")) {
				this._storedOpacity = this.helper.css("opacity");
			}
			this.helper.css("opacity", o.opacity);
		}

		if(o.zIndex) { // zIndex option
			if (this.helper.css("zIndex")) {
				this._storedZIndex = this.helper.css("zIndex");
			}
			this.helper.css("zIndex", o.zIndex);
		}

		//Prepare scrolling
		if(this.scrollParent[0] !== document && this.scrollParent[0].tagName !== "HTML") {
			this.overflowOffset = this.scrollParent.offset();
		}

		//Call callbacks
		this._trigger("start", event, this._uiHash());

		//Recache the helper size
		if(!this._preserveHelperProportions) {
			this._cacheHelperProportions();
		}


		//Post "activate" events to possible containers
		if( !noActivation ) {
			for ( i = this.containers.length - 1; i >= 0; i-- ) {
				this.containers[ i ]._trigger( "activate", event, this._uiHash( this ) );
			}
		}

		//Prepare possible droppables
		if($.ui.ddmanager) {
			$.ui.ddmanager.current = this;
		}

		if ($.ui.ddmanager && !o.dropBehaviour) {
			$.ui.ddmanager.prepareOffsets(this, event);
		}

		this.dragging = true;

		this.helper.addClass("ui-sortable-helper");
		this._mouseDrag(event); //Execute the drag once - this causes the helper not to be visible before getting its correct position
		return true;

	},

	_mouseDrag: function(event) {
		var i, item, itemElement, intersection,
			o = this.options,
			scrolled = false;

		//Compute the helpers position
		this.position = this._generatePosition(event);
		this.positionAbs = this._convertPositionTo("absolute");

		if (!this.lastPositionAbs) {
			this.lastPositionAbs = this.positionAbs;
		}

		//Do scrolling
		if(this.options.scroll) {
			if(this.scrollParent[0] !== document && this.scrollParent[0].tagName !== "HTML") {

				if((this.overflowOffset.top + this.scrollParent[0].offsetHeight) - event.pageY < o.scrollSensitivity) {
					this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop + o.scrollSpeed;
				} else if(event.pageY - this.overflowOffset.top < o.scrollSensitivity) {
					this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop - o.scrollSpeed;
				}

				if((this.overflowOffset.left + this.scrollParent[0].offsetWidth) - event.pageX < o.scrollSensitivity) {
					this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft + o.scrollSpeed;
				} else if(event.pageX - this.overflowOffset.left < o.scrollSensitivity) {
					this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft - o.scrollSpeed;
				}

			} else {

				if(event.pageY - $(document).scrollTop() < o.scrollSensitivity) {
					scrolled = $(document).scrollTop($(document).scrollTop() - o.scrollSpeed);
				} else if($(window).height() - (event.pageY - $(document).scrollTop()) < o.scrollSensitivity) {
					scrolled = $(document).scrollTop($(document).scrollTop() + o.scrollSpeed);
				}

				if(event.pageX - $(document).scrollLeft() < o.scrollSensitivity) {
					scrolled = $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed);
				} else if($(window).width() - (event.pageX - $(document).scrollLeft()) < o.scrollSensitivity) {
					scrolled = $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed);
				}

			}

			if(scrolled !== false && $.ui.ddmanager && !o.dropBehaviour) {
				$.ui.ddmanager.prepareOffsets(this, event);
			}
		}

		//Regenerate the absolute position used for position checks
		this.positionAbs = this._convertPositionTo("absolute");

		//Set the helper position
		if(!this.options.axis || this.options.axis !== "y") {
			this.helper[0].style.left = this.position.left+"px";
		}
		if(!this.options.axis || this.options.axis !== "x") {
			this.helper[0].style.top = this.position.top+"px";
		}

		//Rearrange
		for (i = this.items.length - 1; i >= 0; i--) {

			//Cache variables and intersection, continue if no intersection
			item = this.items[i];
			itemElement = item.item[0];
			intersection = this._intersectsWithPointer(item);
			if (!intersection) {
				continue;
			}

			// Only put the placeholder inside the current Container, skip all
			// items form other containers. This works because when moving
			// an item from one container to another the
			// currentContainer is switched before the placeholder is moved.
			//
			// Without this moving items in "sub-sortables" can cause the placeholder to jitter
			// beetween the outer and inner container.
			if (item.instance !== this.currentContainer) {
				continue;
			}

			// cannot intersect with itself
			// no useless actions that have been done before
			// no action if the item moved is the parent of the item checked
			if (itemElement !== this.currentItem[0] &&
				this.placeholder[intersection === 1 ? "next" : "prev"]()[0] !== itemElement &&
				!$.contains(this.placeholder[0], itemElement) &&
				(this.options.type === "semi-dynamic" ? !$.contains(this.element[0], itemElement) : true)
			) {

				this.direction = intersection === 1 ? "down" : "up";

				if (this.options.tolerance === "pointer" || this._intersectsWithSides(item)) {
					this._rearrange(event, item);
				} else {
					break;
				}

				this._trigger("change", event, this._uiHash());
				break;
			}
		}

		//Post events to containers
		this._contactContainers(event);

		//Interconnect with droppables
		if($.ui.ddmanager) {
			$.ui.ddmanager.drag(this, event);
		}

		//Call callbacks
		this._trigger("sort", event, this._uiHash());

		this.lastPositionAbs = this.positionAbs;
		return false;

	},

	_mouseStop: function(event, noPropagation) {

		if(!event) {
			return;
		}

		//If we are using droppables, inform the manager about the drop
		if ($.ui.ddmanager && !this.options.dropBehaviour) {
			$.ui.ddmanager.drop(this, event);
		}

		if(this.options.revert) {
			var that = this,
				cur = this.placeholder.offset(),
				axis = this.options.axis,
				animation = {};

			if ( !axis || axis === "x" ) {
				animation.left = cur.left - this.offset.parent.left - this.margins.left + (this.offsetParent[0] === document.body ? 0 : this.offsetParent[0].scrollLeft);
			}
			if ( !axis || axis === "y" ) {
				animation.top = cur.top - this.offset.parent.top - this.margins.top + (this.offsetParent[0] === document.body ? 0 : this.offsetParent[0].scrollTop);
			}
			this.reverting = true;
			$(this.helper).animate( animation, parseInt(this.options.revert, 10) || 500, function() {
				that._clear(event);
			});
		} else {
			this._clear(event, noPropagation);
		}

		return false;

	},

	cancel: function() {

		if(this.dragging) {

			this._mouseUp({ target: null });

			if(this.options.helper === "original") {
				this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper");
			} else {
				this.currentItem.show();
			}

			//Post deactivating events to containers
			for (var i = this.containers.length - 1; i >= 0; i--){
				this.containers[i]._trigger("deactivate", null, this._uiHash(this));
				if(this.containers[i].containerCache.over) {
					this.containers[i]._trigger("out", null, this._uiHash(this));
					this.containers[i].containerCache.over = 0;
				}
			}

		}

		if (this.placeholder) {
			//$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node!
			if(this.placeholder[0].parentNode) {
				this.placeholder[0].parentNode.removeChild(this.placeholder[0]);
			}
			if(this.options.helper !== "original" && this.helper && this.helper[0].parentNode) {
				this.helper.remove();
			}

			$.extend(this, {
				helper: null,
				dragging: false,
				reverting: false,
				_noFinalSort: null
			});

			if(this.domPosition.prev) {
				$(this.domPosition.prev).after(this.currentItem);
			} else {
				$(this.domPosition.parent).prepend(this.currentItem);
			}
		}

		return this;

	},

	serialize: function(o) {

		var items = this._getItemsAsjQuery(o && o.connected),
			str = [];
		o = o || {};

		$(items).each(function() {
			var res = ($(o.item || this).attr(o.attribute || "id") || "").match(o.expression || (/(.+)[\-=_](.+)/));
			if (res) {
				str.push((o.key || res[1]+"[]")+"="+(o.key && o.expression ? res[1] : res[2]));
			}
		});

		if(!str.length && o.key) {
			str.push(o.key + "=");
		}

		return str.join("&");

	},

	toArray: function(o) {

		var items = this._getItemsAsjQuery(o && o.connected),
			ret = [];

		o = o || {};

		items.each(function() { ret.push($(o.item || this).attr(o.attribute || "id") || ""); });
		return ret;

	},

	/* Be careful with the following core functions */
	_intersectsWith: function(item) {

		var x1 = this.positionAbs.left,
			x2 = x1 + this.helperProportions.width,
			y1 = this.positionAbs.top,
			y2 = y1 + this.helperProportions.height,
			l = item.left,
			r = l + item.width,
			t = item.top,
			b = t + item.height,
			dyClick = this.offset.click.top,
			dxClick = this.offset.click.left,
			isOverElement = (y1 + dyClick) > t && (y1 + dyClick) < b && (x1 + dxClick) > l && (x1 + dxClick) < r;

		if ( this.options.tolerance === "pointer" ||
			this.options.forcePointerForContainers ||
			(this.options.tolerance !== "pointer" && this.helperProportions[this.floating ? "width" : "height"] > item[this.floating ? "width" : "height"])
		) {
			return isOverElement;
		} else {

			return (l < x1 + (this.helperProportions.width / 2) && // Right Half
				x2 - (this.helperProportions.width / 2) < r && // Left Half
				t < y1 + (this.helperProportions.height / 2) && // Bottom Half
				y2 - (this.helperProportions.height / 2) < b ); // Top Half

		}
	},

	_intersectsWithPointer: function(item) {

		var isOverElementHeight = (this.options.axis === "x") || isOverAxis(this.positionAbs.top + this.offset.click.top, item.top, item.height),
			isOverElementWidth = (this.options.axis === "y") || isOverAxis(this.positionAbs.left + this.offset.click.left, item.left, item.width),
			isOverElement = isOverElementHeight && isOverElementWidth,
			verticalDirection = this._getDragVerticalDirection(),
			horizontalDirection = this._getDragHorizontalDirection();

		if (!isOverElement) {
			return false;
		}

		return this.floating ?
			( ((horizontalDirection && horizontalDirection === "right") || verticalDirection === "down") ? 2 : 1 )
			: ( verticalDirection && (verticalDirection === "down" ? 2 : 1) );

	},

	_intersectsWithSides: function(item) {

		var isOverBottomHalf = isOverAxis(this.positionAbs.top + this.offset.click.top, item.top + (item.height/2), item.height),
			isOverRightHalf = isOverAxis(this.positionAbs.left + this.offset.click.left, item.left + (item.width/2), item.width),
			verticalDirection = this._getDragVerticalDirection(),
			horizontalDirection = this._getDragHorizontalDirection();

		if (this.floating && horizontalDirection) {
			return ((horizontalDirection === "right" && isOverRightHalf) || (horizontalDirection === "left" && !isOverRightHalf));
		} else {
			return verticalDirection && ((verticalDirection === "down" && isOverBottomHalf) || (verticalDirection === "up" && !isOverBottomHalf));
		}

	},

	_getDragVerticalDirection: function() {
		var delta = this.positionAbs.top - this.lastPositionAbs.top;
		return delta !== 0 && (delta > 0 ? "down" : "up");
	},

	_getDragHorizontalDirection: function() {
		var delta = this.positionAbs.left - this.lastPositionAbs.left;
		return delta !== 0 && (delta > 0 ? "right" : "left");
	},

	refresh: function(event) {
		this._refreshItems(event);
		this.refreshPositions();
		return this;
	},

	_connectWith: function() {
		var options = this.options;
		return options.connectWith.constructor === String ? [options.connectWith] : options.connectWith;
	},

	_getItemsAsjQuery: function(connected) {

		var i, j, cur, inst,
			items = [],
			queries = [],
			connectWith = this._connectWith();

		if(connectWith && connected) {
			for (i = connectWith.length - 1; i >= 0; i--){
				cur = $(connectWith[i]);
				for ( j = cur.length - 1; j >= 0; j--){
					inst = $.data(cur[j], this.widgetFullName);
					if(inst && inst !== this && !inst.options.disabled) {
						queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element) : $(inst.options.items, inst.element).not(".ui-sortable-helper").not(".ui-sortable-placeholder"), inst]);
					}
				}
			}
		}

		queries.push([$.isFunction(this.options.items) ? this.options.items.call(this.element, null, { options: this.options, item: this.currentItem }) : $(this.options.items, this.element).not(".ui-sortable-helper").not(".ui-sortable-placeholder"), this]);

		for (i = queries.length - 1; i >= 0; i--){
			queries[i][0].each(function() {
				items.push(this);
			});
		}

		return $(items);

	},

	_removeCurrentsFromItems: function() {

		var list = this.currentItem.find(":data(" + this.widgetName + "-item)");

		this.items = $.grep(this.items, function (item) {
			for (var j=0; j < list.length; j++) {
				if(list[j] === item.item[0]) {
					return false;
				}
			}
			return true;
		});

	},

	_refreshItems: function(event) {

		this.items = [];
		this.containers = [this];

		var i, j, cur, inst, targetData, _queries, item, queriesLength,
			items = this.items,
			queries = [[$.isFunction(this.options.items) ? this.options.items.call(this.element[0], event, { item: this.currentItem }) : $(this.options.items, this.element), this]],
			connectWith = this._connectWith();

		if(connectWith && this.ready) { //Shouldn't be run the first time through due to massive slow-down
			for (i = connectWith.length - 1; i >= 0; i--){
				cur = $(connectWith[i]);
				for (j = cur.length - 1; j >= 0; j--){
					inst = $.data(cur[j], this.widgetFullName);
					if(inst && inst !== this && !inst.options.disabled) {
						queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element[0], event, { item: this.currentItem }) : $(inst.options.items, inst.element), inst]);
						this.containers.push(inst);
					}
				}
			}
		}

		for (i = queries.length - 1; i >= 0; i--) {
			targetData = queries[i][1];
			_queries = queries[i][0];

			for (j=0, queriesLength = _queries.length; j < queriesLength; j++) {
				item = $(_queries[j]);

				item.data(this.widgetName + "-item", targetData); // Data for target checking (mouse manager)

				items.push({
					item: item,
					instance: targetData,
					width: 0, height: 0,
					left: 0, top: 0
				});
			}
		}

	},

	refreshPositions: function(fast) {

		//This has to be redone because due to the item being moved out/into the offsetParent, the offsetParent's position will change
		if(this.offsetParent && this.helper) {
			this.offset.parent = this._getParentOffset();
		}

		var i, item, t, p;

		for (i = this.items.length - 1; i >= 0; i--){
			item = this.items[i];

			//We ignore calculating positions of all connected containers when we're not over them
			if(item.instance !== this.currentContainer && this.currentContainer && item.item[0] !== this.currentItem[0]) {
				continue;
			}

			t = this.options.toleranceElement ? $(this.options.toleranceElement, item.item) : item.item;

			if (!fast) {
				item.width = t.outerWidth();
				item.height = t.outerHeight();
			}

			p = t.offset();
			item.left = p.left;
			item.top = p.top;
		}

		if(this.options.custom && this.options.custom.refreshContainers) {
			this.options.custom.refreshContainers.call(this);
		} else {
			for (i = this.containers.length - 1; i >= 0; i--){
				p = this.containers[i].element.offset();
				this.containers[i].containerCache.left = p.left;
				this.containers[i].containerCache.top = p.top;
				this.containers[i].containerCache.width	= this.containers[i].element.outerWidth();
				this.containers[i].containerCache.height = this.containers[i].element.outerHeight();
			}
		}

		return this;
	},

	_createPlaceholder: function(that) {
		that = that || this;
		var className,
			o = that.options;

		if(!o.placeholder || o.placeholder.constructor === String) {
			className = o.placeholder;
			o.placeholder = {
				element: function() {

					var nodeName = that.currentItem[0].nodeName.toLowerCase(),
						element = $( that.document[0].createElement( nodeName ) )
							.addClass(className || that.currentItem[0].className+" ui-sortable-placeholder")
							.removeClass("ui-sortable-helper");

					if ( nodeName === "tr" ) {
						// Use a high colspan to force the td to expand the full
						// width of the table (browsers are smart enough to
						// handle this properly)
						element.append( "<td colspan='99'>&#160;</td>" );
					} else if ( nodeName === "img" ) {
						element.attr( "src", that.currentItem.attr( "src" ) );
					}

					if ( !className ) {
						element.css( "visibility", "hidden" );
					}

					return element;
				},
				update: function(container, p) {

					// 1. If a className is set as 'placeholder option, we don't force sizes - the class is responsible for that
					// 2. The option 'forcePlaceholderSize can be enabled to force it even if a class name is specified
					if(className && !o.forcePlaceholderSize) {
						return;
					}

					//If the element doesn't have a actual height by itself (without styles coming from a stylesheet), it receives the inline height from the dragged item
					if(!p.height()) { p.height(that.currentItem.innerHeight() - parseInt(that.currentItem.css("paddingTop")||0, 10) - parseInt(that.currentItem.css("paddingBottom")||0, 10)); }
					if(!p.width()) { p.width(that.currentItem.innerWidth() - parseInt(that.currentItem.css("paddingLeft")||0, 10) - parseInt(that.currentItem.css("paddingRight")||0, 10)); }
				}
			};
		}

		//Create the placeholder
		that.placeholder = $(o.placeholder.element.call(that.element, that.currentItem));

		//Append it after the actual current item
		that.currentItem.after(that.placeholder);

		//Update the size of the placeholder (TODO: Logic to fuzzy, see line 316/317)
		o.placeholder.update(that, that.placeholder);

	},

	_contactContainers: function(event) {
		var i, j, dist, itemWithLeastDistance, posProperty, sizeProperty, base, cur, nearBottom, floating,
			innermostContainer = null,
			innermostIndex = null;

		// get innermost container that intersects with item
		for (i = this.containers.length - 1; i >= 0; i--) {

			// never consider a container that's located within the item itself
			if($.contains(this.currentItem[0], this.containers[i].element[0])) {
				continue;
			}

			if(this._intersectsWith(this.containers[i].containerCache)) {

				// if we've already found a container and it's more "inner" than this, then continue
				if(innermostContainer && $.contains(this.containers[i].element[0], innermostContainer.element[0])) {
					continue;
				}

				innermostContainer = this.containers[i];
				innermostIndex = i;

			} else {
				// container doesn't intersect. trigger "out" event if necessary
				if(this.containers[i].containerCache.over) {
					this.containers[i]._trigger("out", event, this._uiHash(this));
					this.containers[i].containerCache.over = 0;
				}
			}

		}

		// if no intersecting containers found, return
		if(!innermostContainer) {
			return;
		}

		// move the item into the container if it's not there already
		if(this.containers.length === 1) {
			if (!this.containers[innermostIndex].containerCache.over) {
				this.containers[innermostIndex]._trigger("over", event, this._uiHash(this));
				this.containers[innermostIndex].containerCache.over = 1;
			}
		} else {

			//When entering a new container, we will find the item with the least distance and append our item near it
			dist = 10000;
			itemWithLeastDistance = null;
			floating = innermostContainer.floating || isFloating(this.currentItem);
			posProperty = floating ? "left" : "top";
			sizeProperty = floating ? "width" : "height";
			base = this.positionAbs[posProperty] + this.offset.click[posProperty];
			for (j = this.items.length - 1; j >= 0; j--) {
				if(!$.contains(this.containers[innermostIndex].element[0], this.items[j].item[0])) {
					continue;
				}
				if(this.items[j].item[0] === this.currentItem[0]) {
					continue;
				}
				if (floating && !isOverAxis(this.positionAbs.top + this.offset.click.top, this.items[j].top, this.items[j].height)) {
					continue;
				}
				cur = this.items[j].item.offset()[posProperty];
				nearBottom = false;
				if(Math.abs(cur - base) > Math.abs(cur + this.items[j][sizeProperty] - base)){
					nearBottom = true;
					cur += this.items[j][sizeProperty];
				}

				if(Math.abs(cur - base) < dist) {
					dist = Math.abs(cur - base); itemWithLeastDistance = this.items[j];
					this.direction = nearBottom ? "up": "down";
				}
			}

			//Check if dropOnEmpty is enabled
			if(!itemWithLeastDistance && !this.options.dropOnEmpty) {
				return;
			}

			if(this.currentContainer === this.containers[innermostIndex]) {
				return;
			}

			itemWithLeastDistance ? this._rearrange(event, itemWithLeastDistance, null, true) : this._rearrange(event, null, this.containers[innermostIndex].element, true);
			this._trigger("change", event, this._uiHash());
			this.containers[innermostIndex]._trigger("change", event, this._uiHash(this));
			this.currentContainer = this.containers[innermostIndex];

			//Update the placeholder
			this.options.placeholder.update(this.currentContainer, this.placeholder);

			this.containers[innermostIndex]._trigger("over", event, this._uiHash(this));
			this.containers[innermostIndex].containerCache.over = 1;
		}


	},

	_createHelper: function(event) {

		var o = this.options,
			helper = $.isFunction(o.helper) ? $(o.helper.apply(this.element[0], [event, this.currentItem])) : (o.helper === "clone" ? this.currentItem.clone() : this.currentItem);

		//Add the helper to the DOM if that didn't happen already
		if(!helper.parents("body").length) {
			$(o.appendTo !== "parent" ? o.appendTo : this.currentItem[0].parentNode)[0].appendChild(helper[0]);
		}

		if(helper[0] === this.currentItem[0]) {
			this._storedCSS = { width: this.currentItem[0].style.width, height: this.currentItem[0].style.height, position: this.currentItem.css("position"), top: this.currentItem.css("top"), left: this.currentItem.css("left") };
		}

		if(!helper[0].style.width || o.forceHelperSize) {
			helper.width(this.currentItem.width());
		}
		if(!helper[0].style.height || o.forceHelperSize) {
			helper.height(this.currentItem.height());
		}

		return helper;

	},

	_adjustOffsetFromHelper: function(obj) {
		if (typeof obj === "string") {
			obj = obj.split(" ");
		}
		if ($.isArray(obj)) {
			obj = {left: +obj[0], top: +obj[1] || 0};
		}
		if ("left" in obj) {
			this.offset.click.left = obj.left + this.margins.left;
		}
		if ("right" in obj) {
			this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
		}
		if ("top" in obj) {
			this.offset.click.top = obj.top + this.margins.top;
		}
		if ("bottom" in obj) {
			this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
		}
	},

	_getParentOffset: function() {


		//Get the offsetParent and cache its position
		this.offsetParent = this.helper.offsetParent();
		var po = this.offsetParent.offset();

		// This is a special case where we need to modify a offset calculated on start, since the following happened:
		// 1. The position of the helper is absolute, so it's position is calculated based on the next positioned parent
		// 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't the document, which means that
		//    the scroll is included in the initial calculation of the offset of the parent, and never recalculated upon drag
		if(this.cssPosition === "absolute" && this.scrollParent[0] !== document && $.contains(this.scrollParent[0], this.offsetParent[0])) {
			po.left += this.scrollParent.scrollLeft();
			po.top += this.scrollParent.scrollTop();
		}

		// This needs to be actually done for all browsers, since pageX/pageY includes this information
		// with an ugly IE fix
		if( this.offsetParent[0] === document.body || (this.offsetParent[0].tagName && this.offsetParent[0].tagName.toLowerCase() === "html" && $.ui.ie)) {
			po = { top: 0, left: 0 };
		}

		return {
			top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"),10) || 0),
			left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0)
		};

	},

	_getRelativeOffset: function() {

		if(this.cssPosition === "relative") {
			var p = this.currentItem.position();
			return {
				top: p.top - (parseInt(this.helper.css("top"),10) || 0) + this.scrollParent.scrollTop(),
				left: p.left - (parseInt(this.helper.css("left"),10) || 0) + this.scrollParent.scrollLeft()
			};
		} else {
			return { top: 0, left: 0 };
		}

	},

	_cacheMargins: function() {
		this.margins = {
			left: (parseInt(this.currentItem.css("marginLeft"),10) || 0),
			top: (parseInt(this.currentItem.css("marginTop"),10) || 0)
		};
	},

	_cacheHelperProportions: function() {
		this.helperProportions = {
			width: this.helper.outerWidth(),
			height: this.helper.outerHeight()
		};
	},

	_setContainment: function() {

		var ce, co, over,
			o = this.options;
		if(o.containment === "parent") {
			o.containment = this.helper[0].parentNode;
		}
		if(o.containment === "document" || o.containment === "window") {
			this.containment = [
				0 - this.offset.relative.left - this.offset.parent.left,
				0 - this.offset.relative.top - this.offset.parent.top,
				$(o.containment === "document" ? document : window).width() - this.helperProportions.width - this.margins.left,
				($(o.containment === "document" ? document : window).height() || document.body.parentNode.scrollHeight) - this.helperProportions.height - this.margins.top
			];
		}

		if(!(/^(document|window|parent)$/).test(o.containment)) {
			ce = $(o.containment)[0];
			co = $(o.containment).offset();
			over = ($(ce).css("overflow") !== "hidden");

			this.containment = [
				co.left + (parseInt($(ce).css("borderLeftWidth"),10) || 0) + (parseInt($(ce).css("paddingLeft"),10) || 0) - this.margins.left,
				co.top + (parseInt($(ce).css("borderTopWidth"),10) || 0) + (parseInt($(ce).css("paddingTop"),10) || 0) - this.margins.top,
				co.left+(over ? Math.max(ce.scrollWidth,ce.offsetWidth) : ce.offsetWidth) - (parseInt($(ce).css("borderLeftWidth"),10) || 0) - (parseInt($(ce).css("paddingRight"),10) || 0) - this.helperProportions.width - this.margins.left,
				co.top+(over ? Math.max(ce.scrollHeight,ce.offsetHeight) : ce.offsetHeight) - (parseInt($(ce).css("borderTopWidth"),10) || 0) - (parseInt($(ce).css("paddingBottom"),10) || 0) - this.helperProportions.height - this.margins.top
			];
		}

	},

	_convertPositionTo: function(d, pos) {

		if(!pos) {
			pos = this.position;
		}
		var mod = d === "absolute" ? 1 : -1,
			scroll = this.cssPosition === "absolute" && !(this.scrollParent[0] !== document && $.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent,
			scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);

		return {
			top: (
				pos.top	+																// The absolute mouse position
				this.offset.relative.top * mod +										// Only for relative positioned nodes: Relative offset from element to offset parent
				this.offset.parent.top * mod -											// The offsetParent's offset without borders (offset + border)
				( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod)
			),
			left: (
				pos.left +																// The absolute mouse position
				this.offset.relative.left * mod +										// Only for relative positioned nodes: Relative offset from element to offset parent
				this.offset.parent.left * mod	-										// The offsetParent's offset without borders (offset + border)
				( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ) * mod)
			)
		};

	},

	_generatePosition: function(event) {

		var top, left,
			o = this.options,
			pageX = event.pageX,
			pageY = event.pageY,
			scroll = this.cssPosition === "absolute" && !(this.scrollParent[0] !== document && $.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);

		// This is another very weird special case that only happens for relative elements:
		// 1. If the css position is relative
		// 2. and the scroll parent is the document or similar to the offset parent
		// we have to refresh the relative offset during the scroll so there are no jumps
		if(this.cssPosition === "relative" && !(this.scrollParent[0] !== document && this.scrollParent[0] !== this.offsetParent[0])) {
			this.offset.relative = this._getRelativeOffset();
		}

		/*
		 * - Position constraining -
		 * Constrain the position to a mix of grid, containment.
		 */

		if(this.originalPosition) { //If we are not dragging yet, we won't check for options

			if(this.containment) {
				if(event.pageX - this.offset.click.left < this.containment[0]) {
					pageX = this.containment[0] + this.offset.click.left;
				}
				if(event.pageY - this.offset.click.top < this.containment[1]) {
					pageY = this.containment[1] + this.offset.click.top;
				}
				if(event.pageX - this.offset.click.left > this.containment[2]) {
					pageX = this.containment[2] + this.offset.click.left;
				}
				if(event.pageY - this.offset.click.top > this.containment[3]) {
					pageY = this.containment[3] + this.offset.click.top;
				}
			}

			if(o.grid) {
				top = this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1];
				pageY = this.containment ? ( (top - this.offset.click.top >= this.containment[1] && top - this.offset.click.top <= this.containment[3]) ? top : ((top - this.offset.click.top >= this.containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top;

				left = this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0];
				pageX = this.containment ? ( (left - this.offset.click.left >= this.containment[0] && left - this.offset.click.left <= this.containment[2]) ? left : ((left - this.offset.click.left >= this.containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left;
			}

		}

		return {
			top: (
				pageY -																// The absolute mouse position
				this.offset.click.top -													// Click offset (relative to the element)
				this.offset.relative.top	-											// Only for relative positioned nodes: Relative offset from element to offset parent
				this.offset.parent.top +												// The offsetParent's offset without borders (offset + border)
				( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ))
			),
			left: (
				pageX -																// The absolute mouse position
				this.offset.click.left -												// Click offset (relative to the element)
				this.offset.relative.left	-											// Only for relative positioned nodes: Relative offset from element to offset parent
				this.offset.parent.left +												// The offsetParent's offset without borders (offset + border)
				( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ))
			)
		};

	},

	_rearrange: function(event, i, a, hardRefresh) {

		a ? a[0].appendChild(this.placeholder[0]) : i.item[0].parentNode.insertBefore(this.placeholder[0], (this.direction === "down" ? i.item[0] : i.item[0].nextSibling));

		//Various things done here to improve the performance:
		// 1. we create a setTimeout, that calls refreshPositions
		// 2. on the instance, we have a counter variable, that get's higher after every append
		// 3. on the local scope, we copy the counter variable, and check in the timeout, if it's still the same
		// 4. this lets only the last addition to the timeout stack through
		this.counter = this.counter ? ++this.counter : 1;
		var counter = this.counter;

		this._delay(function() {
			if(counter === this.counter) {
				this.refreshPositions(!hardRefresh); //Precompute after each DOM insertion, NOT on mousemove
			}
		});

	},

	_clear: function(event, noPropagation) {

		this.reverting = false;
		// We delay all events that have to be triggered to after the point where the placeholder has been removed and
		// everything else normalized again
		var i,
			delayedTriggers = [];

		// We first have to update the dom position of the actual currentItem
		// Note: don't do it if the current item is already removed (by a user), or it gets reappended (see #4088)
		if(!this._noFinalSort && this.currentItem.parent().length) {
			this.placeholder.before(this.currentItem);
		}
		this._noFinalSort = null;

		if(this.helper[0] === this.currentItem[0]) {
			for(i in this._storedCSS) {
				if(this._storedCSS[i] === "auto" || this._storedCSS[i] === "static") {
					this._storedCSS[i] = "";
				}
			}
			this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper");
		} else {
			this.currentItem.show();
		}

		if(this.fromOutside && !noPropagation) {
			delayedTriggers.push(function(event) { this._trigger("receive", event, this._uiHash(this.fromOutside)); });
		}
		if((this.fromOutside || this.domPosition.prev !== this.currentItem.prev().not(".ui-sortable-helper")[0] || this.domPosition.parent !== this.currentItem.parent()[0]) && !noPropagation) {
			delayedTriggers.push(function(event) { this._trigger("update", event, this._uiHash()); }); //Trigger update callback if the DOM position has changed
		}

		// Check if the items Container has Changed and trigger appropriate
		// events.
		if (this !== this.currentContainer) {
			if(!noPropagation) {
				delayedTriggers.push(function(event) { this._trigger("remove", event, this._uiHash()); });
				delayedTriggers.push((function(c) { return function(event) { c._trigger("receive", event, this._uiHash(this)); };  }).call(this, this.currentContainer));
				delayedTriggers.push((function(c) { return function(event) { c._trigger("update", event, this._uiHash(this));  }; }).call(this, this.currentContainer));
			}
		}


		//Post events to containers
		for (i = this.containers.length - 1; i >= 0; i--){
			if(!noPropagation) {
				delayedTriggers.push((function(c) { return function(event) { c._trigger("deactivate", event, this._uiHash(this)); };  }).call(this, this.containers[i]));
			}
			if(this.containers[i].containerCache.over) {
				delayedTriggers.push((function(c) { return function(event) { c._trigger("out", event, this._uiHash(this)); };  }).call(this, this.containers[i]));
				this.containers[i].containerCache.over = 0;
			}
		}

		//Do what was originally in plugins
		if ( this.storedCursor ) {
			this.document.find( "body" ).css( "cursor", this.storedCursor );
			this.storedStylesheet.remove();
		}
		if(this._storedOpacity) {
			this.helper.css("opacity", this._storedOpacity);
		}
		if(this._storedZIndex) {
			this.helper.css("zIndex", this._storedZIndex === "auto" ? "" : this._storedZIndex);
		}

		this.dragging = false;
		if(this.cancelHelperRemoval) {
			if(!noPropagation) {
				this._trigger("beforeStop", event, this._uiHash());
				for (i=0; i < delayedTriggers.length; i++) {
					delayedTriggers[i].call(this, event);
				} //Trigger all delayed events
				this._trigger("stop", event, this._uiHash());
			}

			this.fromOutside = false;
			return false;
		}

		if(!noPropagation) {
			this._trigger("beforeStop", event, this._uiHash());
		}

		//$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node!
		this.placeholder[0].parentNode.removeChild(this.placeholder[0]);

		if(this.helper[0] !== this.currentItem[0]) {
			this.helper.remove();
		}
		this.helper = null;

		if(!noPropagation) {
			for (i=0; i < delayedTriggers.length; i++) {
				delayedTriggers[i].call(this, event);
			} //Trigger all delayed events
			this._trigger("stop", event, this._uiHash());
		}

		this.fromOutside = false;
		return true;

	},

	_trigger: function() {
		if ($.Widget.prototype._trigger.apply(this, arguments) === false) {
			this.cancel();
		}
	},

	_uiHash: function(_inst) {
		var inst = _inst || this;
		return {
			helper: inst.helper,
			placeholder: inst.placeholder || $([]),
			position: inst.position,
			originalPosition: inst.originalPosition,
			offset: inst.positionAbs,
			item: inst.currentItem,
			sender: _inst ? _inst.element : null
		};
	}

});

})(jQuery);

(function($, undefined) {

var dataSpace = "ui-effects-";

$.effects = {
	effect: {}
};

/*!
 * jQuery Color Animations v2.1.2
 * https://github.com/jquery/jquery-color
 *
 * Copyright 2013 jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 *
 * Date: Wed Jan 16 08:47:09 2013 -0600
 */
(function( jQuery, undefined ) {

	var stepHooks = "backgroundColor borderBottomColor borderLeftColor borderRightColor borderTopColor color columnRuleColor outlineColor textDecorationColor textEmphasisColor",

	// plusequals test for += 100 -= 100
	rplusequals = /^([\-+])=\s*(\d+\.?\d*)/,
	// a set of RE's that can match strings and generate color tuples.
	stringParsers = [{
			re: /rgba?\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*(?:,\s*(\d?(?:\.\d+)?)\s*)?\)/,
			parse: function( execResult ) {
				return [
					execResult[ 1 ],
					execResult[ 2 ],
					execResult[ 3 ],
					execResult[ 4 ]
				];
			}
		}, {
			re: /rgba?\(\s*(\d+(?:\.\d+)?)\%\s*,\s*(\d+(?:\.\d+)?)\%\s*,\s*(\d+(?:\.\d+)?)\%\s*(?:,\s*(\d?(?:\.\d+)?)\s*)?\)/,
			parse: function( execResult ) {
				return [
					execResult[ 1 ] * 2.55,
					execResult[ 2 ] * 2.55,
					execResult[ 3 ] * 2.55,
					execResult[ 4 ]
				];
			}
		}, {
			// this regex ignores A-F because it's compared against an already lowercased string
			re: /#([a-f0-9]{2})([a-f0-9]{2})([a-f0-9]{2})/,
			parse: function( execResult ) {
				return [
					parseInt( execResult[ 1 ], 16 ),
					parseInt( execResult[ 2 ], 16 ),
					parseInt( execResult[ 3 ], 16 )
				];
			}
		}, {
			// this regex ignores A-F because it's compared against an already lowercased string
			re: /#([a-f0-9])([a-f0-9])([a-f0-9])/,
			parse: function( execResult ) {
				return [
					parseInt( execResult[ 1 ] + execResult[ 1 ], 16 ),
					parseInt( execResult[ 2 ] + execResult[ 2 ], 16 ),
					parseInt( execResult[ 3 ] + execResult[ 3 ], 16 )
				];
			}
		}, {
			re: /hsla?\(\s*(\d+(?:\.\d+)?)\s*,\s*(\d+(?:\.\d+)?)\%\s*,\s*(\d+(?:\.\d+)?)\%\s*(?:,\s*(\d?(?:\.\d+)?)\s*)?\)/,
			space: "hsla",
			parse: function( execResult ) {
				return [
					execResult[ 1 ],
					execResult[ 2 ] / 100,
					execResult[ 3 ] / 100,
					execResult[ 4 ]
				];
			}
		}],

	// jQuery.Color( )
	color = jQuery.Color = function( color, green, blue, alpha ) {
		return new jQuery.Color.fn.parse( color, green, blue, alpha );
	},
	spaces = {
		rgba: {
			props: {
				red: {
					idx: 0,
					type: "byte"
				},
				green: {
					idx: 1,
					type: "byte"
				},
				blue: {
					idx: 2,
					type: "byte"
				}
			}
		},

		hsla: {
			props: {
				hue: {
					idx: 0,
					type: "degrees"
				},
				saturation: {
					idx: 1,
					type: "percent"
				},
				lightness: {
					idx: 2,
					type: "percent"
				}
			}
		}
	},
	propTypes = {
		"byte": {
			floor: true,
			max: 255
		},
		"percent": {
			max: 1
		},
		"degrees": {
			mod: 360,
			floor: true
		}
	},
	support = color.support = {},

	// element for support tests
	supportElem = jQuery( "<p>" )[ 0 ],

	// colors = jQuery.Color.names
	colors,

	// local aliases of functions called often
	each = jQuery.each;

// determine rgba support immediately
supportElem.style.cssText = "background-color:rgba(1,1,1,.5)";
support.rgba = supportElem.style.backgroundColor.indexOf( "rgba" ) > -1;

// define cache name and alpha properties
// for rgba and hsla spaces
each( spaces, function( spaceName, space ) {
	space.cache = "_" + spaceName;
	space.props.alpha = {
		idx: 3,
		type: "percent",
		def: 1
	};
});

function clamp( value, prop, allowEmpty ) {
	var type = propTypes[ prop.type ] || {};

	if ( value == null ) {
		return (allowEmpty || !prop.def) ? null : prop.def;
	}

	// ~~ is an short way of doing floor for positive numbers
	value = type.floor ? ~~value : parseFloat( value );

	// IE will pass in empty strings as value for alpha,
	// which will hit this case
	if ( isNaN( value ) ) {
		return prop.def;
	}

	if ( type.mod ) {
		// we add mod before modding to make sure that negatives values
		// get converted properly: -10 -> 350
		return (value + type.mod) % type.mod;
	}

	// for now all property types without mod have min and max
	return 0 > value ? 0 : type.max < value ? type.max : value;
}

function stringParse( string ) {
	var inst = color(),
		rgba = inst._rgba = [];

	string = string.toLowerCase();

	each( stringParsers, function( i, parser ) {
		var parsed,
			match = parser.re.exec( string ),
			values = match && parser.parse( match ),
			spaceName = parser.space || "rgba";

		if ( values ) {
			parsed = inst[ spaceName ]( values );

			// if this was an rgba parse the assignment might happen twice
			// oh well....
			inst[ spaces[ spaceName ].cache ] = parsed[ spaces[ spaceName ].cache ];
			rgba = inst._rgba = parsed._rgba;

			// exit each( stringParsers ) here because we matched
			return false;
		}
	});

	// Found a stringParser that handled it
	if ( rgba.length ) {

		// if this came from a parsed string, force "transparent" when alpha is 0
		// chrome, (and maybe others) return "transparent" as rgba(0,0,0,0)
		if ( rgba.join() === "0,0,0,0" ) {
			jQuery.extend( rgba, colors.transparent );
		}
		return inst;
	}

	// named colors
	return colors[ string ];
}

color.fn = jQuery.extend( color.prototype, {
	parse: function( red, green, blue, alpha ) {
		if ( red === undefined ) {
			this._rgba = [ null, null, null, null ];
			return this;
		}
		if ( red.jquery || red.nodeType ) {
			red = jQuery( red ).css( green );
			green = undefined;
		}

		var inst = this,
			type = jQuery.type( red ),
			rgba = this._rgba = [];

		// more than 1 argument specified - assume ( red, green, blue, alpha )
		if ( green !== undefined ) {
			red = [ red, green, blue, alpha ];
			type = "array";
		}

		if ( type === "string" ) {
			return this.parse( stringParse( red ) || colors._default );
		}

		if ( type === "array" ) {
			each( spaces.rgba.props, function( key, prop ) {
				rgba[ prop.idx ] = clamp( red[ prop.idx ], prop );
			});
			return this;
		}

		if ( type === "object" ) {
			if ( red instanceof color ) {
				each( spaces, function( spaceName, space ) {
					if ( red[ space.cache ] ) {
						inst[ space.cache ] = red[ space.cache ].slice();
					}
				});
			} else {
				each( spaces, function( spaceName, space ) {
					var cache = space.cache;
					each( space.props, function( key, prop ) {

						// if the cache doesn't exist, and we know how to convert
						if ( !inst[ cache ] && space.to ) {

							// if the value was null, we don't need to copy it
							// if the key was alpha, we don't need to copy it either
							if ( key === "alpha" || red[ key ] == null ) {
								return;
							}
							inst[ cache ] = space.to( inst._rgba );
						}

						// this is the only case where we allow nulls for ALL properties.
						// call clamp with alwaysAllowEmpty
						inst[ cache ][ prop.idx ] = clamp( red[ key ], prop, true );
					});

					// everything defined but alpha?
					if ( inst[ cache ] && jQuery.inArray( null, inst[ cache ].slice( 0, 3 ) ) < 0 ) {
						// use the default of 1
						inst[ cache ][ 3 ] = 1;
						if ( space.from ) {
							inst._rgba = space.from( inst[ cache ] );
						}
					}
				});
			}
			return this;
		}
	},
	is: function( compare ) {
		var is = color( compare ),
			same = true,
			inst = this;

		each( spaces, function( _, space ) {
			var localCache,
				isCache = is[ space.cache ];
			if (isCache) {
				localCache = inst[ space.cache ] || space.to && space.to( inst._rgba ) || [];
				each( space.props, function( _, prop ) {
					if ( isCache[ prop.idx ] != null ) {
						same = ( isCache[ prop.idx ] === localCache[ prop.idx ] );
						return same;
					}
				});
			}
			return same;
		});
		return same;
	},
	_space: function() {
		var used = [],
			inst = this;
		each( spaces, function( spaceName, space ) {
			if ( inst[ space.cache ] ) {
				used.push( spaceName );
			}
		});
		return used.pop();
	},
	transition: function( other, distance ) {
		var end = color( other ),
			spaceName = end._space(),
			space = spaces[ spaceName ],
			startColor = this.alpha() === 0 ? color( "transparent" ) : this,
			start = startColor[ space.cache ] || space.to( startColor._rgba ),
			result = start.slice();

		end = end[ space.cache ];
		each( space.props, function( key, prop ) {
			var index = prop.idx,
				startValue = start[ index ],
				endValue = end[ index ],
				type = propTypes[ prop.type ] || {};

			// if null, don't override start value
			if ( endValue === null ) {
				return;
			}
			// if null - use end
			if ( startValue === null ) {
				result[ index ] = endValue;
			} else {
				if ( type.mod ) {
					if ( endValue - startValue > type.mod / 2 ) {
						startValue += type.mod;
					} else if ( startValue - endValue > type.mod / 2 ) {
						startValue -= type.mod;
					}
				}
				result[ index ] = clamp( ( endValue - startValue ) * distance + startValue, prop );
			}
		});
		return this[ spaceName ]( result );
	},
	blend: function( opaque ) {
		// if we are already opaque - return ourself
		if ( this._rgba[ 3 ] === 1 ) {
			return this;
		}

		var rgb = this._rgba.slice(),
			a = rgb.pop(),
			blend = color( opaque )._rgba;

		return color( jQuery.map( rgb, function( v, i ) {
			return ( 1 - a ) * blend[ i ] + a * v;
		}));
	},
	toRgbaString: function() {
		var prefix = "rgba(",
			rgba = jQuery.map( this._rgba, function( v, i ) {
				return v == null ? ( i > 2 ? 1 : 0 ) : v;
			});

		if ( rgba[ 3 ] === 1 ) {
			rgba.pop();
			prefix = "rgb(";
		}

		return prefix + rgba.join() + ")";
	},
	toHslaString: function() {
		var prefix = "hsla(",
			hsla = jQuery.map( this.hsla(), function( v, i ) {
				if ( v == null ) {
					v = i > 2 ? 1 : 0;
				}

				// catch 1 and 2
				if ( i && i < 3 ) {
					v = Math.round( v * 100 ) + "%";
				}
				return v;
			});

		if ( hsla[ 3 ] === 1 ) {
			hsla.pop();
			prefix = "hsl(";
		}
		return prefix + hsla.join() + ")";
	},
	toHexString: function( includeAlpha ) {
		var rgba = this._rgba.slice(),
			alpha = rgba.pop();

		if ( includeAlpha ) {
			rgba.push( ~~( alpha * 255 ) );
		}

		return "#" + jQuery.map( rgba, function( v ) {

			// default to 0 when nulls exist
			v = ( v || 0 ).toString( 16 );
			return v.length === 1 ? "0" + v : v;
		}).join("");
	},
	toString: function() {
		return this._rgba[ 3 ] === 0 ? "transparent" : this.toRgbaString();
	}
});
color.fn.parse.prototype = color.fn;

// hsla conversions adapted from:
// https://code.google.com/p/maashaack/source/browse/packages/graphics/trunk/src/graphics/colors/HUE2RGB.as?r=5021

function hue2rgb( p, q, h ) {
	h = ( h + 1 ) % 1;
	if ( h * 6 < 1 ) {
		return p + (q - p) * h * 6;
	}
	if ( h * 2 < 1) {
		return q;
	}
	if ( h * 3 < 2 ) {
		return p + (q - p) * ((2/3) - h) * 6;
	}
	return p;
}

spaces.hsla.to = function ( rgba ) {
	if ( rgba[ 0 ] == null || rgba[ 1 ] == null || rgba[ 2 ] == null ) {
		return [ null, null, null, rgba[ 3 ] ];
	}
	var r = rgba[ 0 ] / 255,
		g = rgba[ 1 ] / 255,
		b = rgba[ 2 ] / 255,
		a = rgba[ 3 ],
		max = Math.max( r, g, b ),
		min = Math.min( r, g, b ),
		diff = max - min,
		add = max + min,
		l = add * 0.5,
		h, s;

	if ( min === max ) {
		h = 0;
	} else if ( r === max ) {
		h = ( 60 * ( g - b ) / diff ) + 360;
	} else if ( g === max ) {
		h = ( 60 * ( b - r ) / diff ) + 120;
	} else {
		h = ( 60 * ( r - g ) / diff ) + 240;
	}

	// chroma (diff) == 0 means greyscale which, by definition, saturation = 0%
	// otherwise, saturation is based on the ratio of chroma (diff) to lightness (add)
	if ( diff === 0 ) {
		s = 0;
	} else if ( l <= 0.5 ) {
		s = diff / add;
	} else {
		s = diff / ( 2 - add );
	}
	return [ Math.round(h) % 360, s, l, a == null ? 1 : a ];
};

spaces.hsla.from = function ( hsla ) {
	if ( hsla[ 0 ] == null || hsla[ 1 ] == null || hsla[ 2 ] == null ) {
		return [ null, null, null, hsla[ 3 ] ];
	}
	var h = hsla[ 0 ] / 360,
		s = hsla[ 1 ],
		l = hsla[ 2 ],
		a = hsla[ 3 ],
		q = l <= 0.5 ? l * ( 1 + s ) : l + s - l * s,
		p = 2 * l - q;

	return [
		Math.round( hue2rgb( p, q, h + ( 1 / 3 ) ) * 255 ),
		Math.round( hue2rgb( p, q, h ) * 255 ),
		Math.round( hue2rgb( p, q, h - ( 1 / 3 ) ) * 255 ),
		a
	];
};


each( spaces, function( spaceName, space ) {
	var props = space.props,
		cache = space.cache,
		to = space.to,
		from = space.from;

	// makes rgba() and hsla()
	color.fn[ spaceName ] = function( value ) {

		// generate a cache for this space if it doesn't exist
		if ( to && !this[ cache ] ) {
			this[ cache ] = to( this._rgba );
		}
		if ( value === undefined ) {
			return this[ cache ].slice();
		}

		var ret,
			type = jQuery.type( value ),
			arr = ( type === "array" || type === "object" ) ? value : arguments,
			local = this[ cache ].slice();

		each( props, function( key, prop ) {
			var val = arr[ type === "object" ? key : prop.idx ];
			if ( val == null ) {
				val = local[ prop.idx ];
			}
			local[ prop.idx ] = clamp( val, prop );
		});

		if ( from ) {
			ret = color( from( local ) );
			ret[ cache ] = local;
			return ret;
		} else {
			return color( local );
		}
	};

	// makes red() green() blue() alpha() hue() saturation() lightness()
	each( props, function( key, prop ) {
		// alpha is included in more than one space
		if ( color.fn[ key ] ) {
			return;
		}
		color.fn[ key ] = function( value ) {
			var vtype = jQuery.type( value ),
				fn = ( key === "alpha" ? ( this._hsla ? "hsla" : "rgba" ) : spaceName ),
				local = this[ fn ](),
				cur = local[ prop.idx ],
				match;

			if ( vtype === "undefined" ) {
				return cur;
			}

			if ( vtype === "function" ) {
				value = value.call( this, cur );
				vtype = jQuery.type( value );
			}
			if ( value == null && prop.empty ) {
				return this;
			}
			if ( vtype === "string" ) {
				match = rplusequals.exec( value );
				if ( match ) {
					value = cur + parseFloat( match[ 2 ] ) * ( match[ 1 ] === "+" ? 1 : -1 );
				}
			}
			local[ prop.idx ] = value;
			return this[ fn ]( local );
		};
	});
});

// add cssHook and .fx.step function for each named hook.
// accept a space separated string of properties
color.hook = function( hook ) {
	var hooks = hook.split( " " );
	each( hooks, function( i, hook ) {
		jQuery.cssHooks[ hook ] = {
			set: function( elem, value ) {
				var parsed, curElem,
					backgroundColor = "";

				if ( value !== "transparent" && ( jQuery.type( value ) !== "string" || ( parsed = stringParse( value ) ) ) ) {
					value = color( parsed || value );
					if ( !support.rgba && value._rgba[ 3 ] !== 1 ) {
						curElem = hook === "backgroundColor" ? elem.parentNode : elem;
						while (
							(backgroundColor === "" || backgroundColor === "transparent") &&
							curElem && curElem.style
						) {
							try {
								backgroundColor = jQuery.css( curElem, "backgroundColor" );
								curElem = curElem.parentNode;
							} catch ( e ) {
							}
						}

						value = value.blend( backgroundColor && backgroundColor !== "transparent" ?
							backgroundColor :
							"_default" );
					}

					value = value.toRgbaString();
				}
				try {
					elem.style[ hook ] = value;
				} catch( e ) {
					// wrapped to prevent IE from throwing errors on "invalid" values like 'auto' or 'inherit'
				}
			}
		};
		jQuery.fx.step[ hook ] = function( fx ) {
			if ( !fx.colorInit ) {
				fx.start = color( fx.elem, hook );
				fx.end = color( fx.end );
				fx.colorInit = true;
			}
			jQuery.cssHooks[ hook ].set( fx.elem, fx.start.transition( fx.end, fx.pos ) );
		};
	});

};

color.hook( stepHooks );

jQuery.cssHooks.borderColor = {
	expand: function( value ) {
		var expanded = {};

		each( [ "Top", "Right", "Bottom", "Left" ], function( i, part ) {
			expanded[ "border" + part + "Color" ] = value;
		});
		return expanded;
	}
};

// Basic color names only.
// Usage of any of the other color names requires adding yourself or including
// jquery.color.svg-names.js.
colors = jQuery.Color.names = {
	// 4.1. Basic color keywords
	aqua: "#00ffff",
	black: "#000000",
	blue: "#0000ff",
	fuchsia: "#ff00ff",
	gray: "#808080",
	green: "#008000",
	lime: "#00ff00",
	maroon: "#800000",
	navy: "#000080",
	olive: "#808000",
	purple: "#800080",
	red: "#ff0000",
	silver: "#c0c0c0",
	teal: "#008080",
	white: "#ffffff",
	yellow: "#ffff00",

	// 4.2.3. "transparent" color keyword
	transparent: [ null, null, null, 0 ],

	_default: "#ffffff"
};

})( jQuery );


/******************************************************************************/
/****************************** CLASS ANIMATIONS ******************************/
/******************************************************************************/
(function() {

var classAnimationActions = [ "add", "remove", "toggle" ],
	shorthandStyles = {
		border: 1,
		borderBottom: 1,
		borderColor: 1,
		borderLeft: 1,
		borderRight: 1,
		borderTop: 1,
		borderWidth: 1,
		margin: 1,
		padding: 1
	};

$.each([ "borderLeftStyle", "borderRightStyle", "borderBottomStyle", "borderTopStyle" ], function( _, prop ) {
	$.fx.step[ prop ] = function( fx ) {
		if ( fx.end !== "none" && !fx.setAttr || fx.pos === 1 && !fx.setAttr ) {
			jQuery.style( fx.elem, prop, fx.end );
			fx.setAttr = true;
		}
	};
});

function getElementStyles( elem ) {
	var key, len,
		style = elem.ownerDocument.defaultView ?
			elem.ownerDocument.defaultView.getComputedStyle( elem, null ) :
			elem.currentStyle,
		styles = {};

	if ( style && style.length && style[ 0 ] && style[ style[ 0 ] ] ) {
		len = style.length;
		while ( len-- ) {
			key = style[ len ];
			if ( typeof style[ key ] === "string" ) {
				styles[ $.camelCase( key ) ] = style[ key ];
			}
		}
	// support: Opera, IE <9
	} else {
		for ( key in style ) {
			if ( typeof style[ key ] === "string" ) {
				styles[ key ] = style[ key ];
			}
		}
	}

	return styles;
}


function styleDifference( oldStyle, newStyle ) {
	var diff = {},
		name, value;

	for ( name in newStyle ) {
		value = newStyle[ name ];
		if ( oldStyle[ name ] !== value ) {
			if ( !shorthandStyles[ name ] ) {
				if ( $.fx.step[ name ] || !isNaN( parseFloat( value ) ) ) {
					diff[ name ] = value;
				}
			}
		}
	}

	return diff;
}

// support: jQuery <1.8
if ( !$.fn.addBack ) {
	$.fn.addBack = function( selector ) {
		return this.add( selector == null ?
			this.prevObject : this.prevObject.filter( selector )
		);
	};
}

$.effects.animateClass = function( value, duration, easing, callback ) {
	var o = $.speed( duration, easing, callback );

	return this.queue( function() {
		var animated = $( this ),
			baseClass = animated.attr( "class" ) || "",
			applyClassChange,
			allAnimations = o.children ? animated.find( "*" ).addBack() : animated;

		// map the animated objects to store the original styles.
		allAnimations = allAnimations.map(function() {
			var el = $( this );
			return {
				el: el,
				start: getElementStyles( this )
			};
		});

		// apply class change
		applyClassChange = function() {
			$.each( classAnimationActions, function(i, action) {
				if ( value[ action ] ) {
					animated[ action + "Class" ]( value[ action ] );
				}
			});
		};
		applyClassChange();

		// map all animated objects again - calculate new styles and diff
		allAnimations = allAnimations.map(function() {
			this.end = getElementStyles( this.el[ 0 ] );
			this.diff = styleDifference( this.start, this.end );
			return this;
		});

		// apply original class
		animated.attr( "class", baseClass );

		// map all animated objects again - this time collecting a promise
		allAnimations = allAnimations.map(function() {
			var styleInfo = this,
				dfd = $.Deferred(),
				opts = $.extend({}, o, {
					queue: false,
					complete: function() {
						dfd.resolve( styleInfo );
					}
				});

			this.el.animate( this.diff, opts );
			return dfd.promise();
		});

		// once all animations have completed:
		$.when.apply( $, allAnimations.get() ).done(function() {

			// set the final class
			applyClassChange();

			// for each animated element,
			// clear all css properties that were animated
			$.each( arguments, function() {
				var el = this.el;
				$.each( this.diff, function(key) {
					el.css( key, "" );
				});
			});

			// this is guarnteed to be there if you use jQuery.speed()
			// it also handles dequeuing the next anim...
			o.complete.call( animated[ 0 ] );
		});
	});
};

$.fn.extend({
	addClass: (function( orig ) {
		return function( classNames, speed, easing, callback ) {
			return speed ?
				$.effects.animateClass.call( this,
					{ add: classNames }, speed, easing, callback ) :
				orig.apply( this, arguments );
		};
	})( $.fn.addClass ),

	removeClass: (function( orig ) {
		return function( classNames, speed, easing, callback ) {
			return arguments.length > 1 ?
				$.effects.animateClass.call( this,
					{ remove: classNames }, speed, easing, callback ) :
				orig.apply( this, arguments );
		};
	})( $.fn.removeClass ),

	toggleClass: (function( orig ) {
		return function( classNames, force, speed, easing, callback ) {
			if ( typeof force === "boolean" || force === undefined ) {
				if ( !speed ) {
					// without speed parameter
					return orig.apply( this, arguments );
				} else {
					return $.effects.animateClass.call( this,
						(force ? { add: classNames } : { remove: classNames }),
						speed, easing, callback );
				}
			} else {
				// without force parameter
				return $.effects.animateClass.call( this,
					{ toggle: classNames }, force, speed, easing );
			}
		};
	})( $.fn.toggleClass ),

	switchClass: function( remove, add, speed, easing, callback) {
		return $.effects.animateClass.call( this, {
			add: add,
			remove: remove
		}, speed, easing, callback );
	}
});

})();

/******************************************************************************/
/*********************************** EFFECTS **********************************/
/******************************************************************************/

(function() {

$.extend( $.effects, {
	version: "1.10.2",

	// Saves a set of properties in a data storage
	save: function( element, set ) {
		for( var i=0; i < set.length; i++ ) {
			if ( set[ i ] !== null ) {
				element.data( dataSpace + set[ i ], element[ 0 ].style[ set[ i ] ] );
			}
		}
	},

	// Restores a set of previously saved properties from a data storage
	restore: function( element, set ) {
		var val, i;
		for( i=0; i < set.length; i++ ) {
			if ( set[ i ] !== null ) {
				val = element.data( dataSpace + set[ i ] );
				// support: jQuery 1.6.2
				// http://bugs.jquery.com/ticket/9917
				// jQuery 1.6.2 incorrectly returns undefined for any falsy value.
				// We can't differentiate between "" and 0 here, so we just assume
				// empty string since it's likely to be a more common value...
				if ( val === undefined ) {
					val = "";
				}
				element.css( set[ i ], val );
			}
		}
	},

	setMode: function( el, mode ) {
		if (mode === "toggle") {
			mode = el.is( ":hidden" ) ? "show" : "hide";
		}
		return mode;
	},

	// Translates a [top,left] array into a baseline value
	// this should be a little more flexible in the future to handle a string & hash
	getBaseline: function( origin, original ) {
		var y, x;
		switch ( origin[ 0 ] ) {
			case "top": y = 0; break;
			case "middle": y = 0.5; break;
			case "bottom": y = 1; break;
			default: y = origin[ 0 ] / original.height;
		}
		switch ( origin[ 1 ] ) {
			case "left": x = 0; break;
			case "center": x = 0.5; break;
			case "right": x = 1; break;
			default: x = origin[ 1 ] / original.width;
		}
		return {
			x: x,
			y: y
		};
	},

	// Wraps the element around a wrapper that copies position properties
	createWrapper: function( element ) {

		// if the element is already wrapped, return it
		if ( element.parent().is( ".ui-effects-wrapper" )) {
			return element.parent();
		}

		// wrap the element
		var props = {
				width: element.outerWidth(true),
				height: element.outerHeight(true),
				"float": element.css( "float" )
			},
			wrapper = $( "<div></div>" )
				.addClass( "ui-effects-wrapper" )
				.css({
					fontSize: "100%",
					background: "transparent",
					border: "none",
					margin: 0,
					padding: 0
				}),
			// Store the size in case width/height are defined in % - Fixes #5245
			size = {
				width: element.width(),
				height: element.height()
			},
			active = document.activeElement;

		// support: Firefox
		// Firefox incorrectly exposes anonymous content
		// https://bugzilla.mozilla.org/show_bug.cgi?id=561664
		try {
			active.id;
		} catch( e ) {
			active = document.body;
		}

		element.wrap( wrapper );

		// Fixes #7595 - Elements lose focus when wrapped.
		if ( element[ 0 ] === active || $.contains( element[ 0 ], active ) ) {
			$( active ).focus();
		}

		wrapper = element.parent(); //Hotfix for jQuery 1.4 since some change in wrap() seems to actually lose the reference to the wrapped element

		// transfer positioning properties to the wrapper
		if ( element.css( "position" ) === "static" ) {
			wrapper.css({ position: "relative" });
			element.css({ position: "relative" });
		} else {
			$.extend( props, {
				position: element.css( "position" ),
				zIndex: element.css( "z-index" )
			});
			$.each([ "top", "left", "bottom", "right" ], function(i, pos) {
				props[ pos ] = element.css( pos );
				if ( isNaN( parseInt( props[ pos ], 10 ) ) ) {
					props[ pos ] = "auto";
				}
			});
			element.css({
				position: "relative",
				top: 0,
				left: 0,
				right: "auto",
				bottom: "auto"
			});
		}
		element.css(size);

		return wrapper.css( props ).show();
	},

	removeWrapper: function( element ) {
		var active = document.activeElement;

		if ( element.parent().is( ".ui-effects-wrapper" ) ) {
			element.parent().replaceWith( element );

			// Fixes #7595 - Elements lose focus when wrapped.
			if ( element[ 0 ] === active || $.contains( element[ 0 ], active ) ) {
				$( active ).focus();
			}
		}


		return element;
	},

	setTransition: function( element, list, factor, value ) {
		value = value || {};
		$.each( list, function( i, x ) {
			var unit = element.cssUnit( x );
			if ( unit[ 0 ] > 0 ) {
				value[ x ] = unit[ 0 ] * factor + unit[ 1 ];
			}
		});
		return value;
	}
});

// return an effect options object for the given parameters:
function _normalizeArguments( effect, options, speed, callback ) {

	// allow passing all options as the first parameter
	if ( $.isPlainObject( effect ) ) {
		options = effect;
		effect = effect.effect;
	}

	// convert to an object
	effect = { effect: effect };

	// catch (effect, null, ...)
	if ( options == null ) {
		options = {};
	}

	// catch (effect, callback)
	if ( $.isFunction( options ) ) {
		callback = options;
		speed = null;
		options = {};
	}

	// catch (effect, speed, ?)
	if ( typeof options === "number" || $.fx.speeds[ options ] ) {
		callback = speed;
		speed = options;
		options = {};
	}

	// catch (effect, options, callback)
	if ( $.isFunction( speed ) ) {
		callback = speed;
		speed = null;
	}

	// add options to effect
	if ( options ) {
		$.extend( effect, options );
	}

	speed = speed || options.duration;
	effect.duration = $.fx.off ? 0 :
		typeof speed === "number" ? speed :
		speed in $.fx.speeds ? $.fx.speeds[ speed ] :
		$.fx.speeds._default;

	effect.complete = callback || options.complete;

	return effect;
}

function standardAnimationOption( option ) {
	// Valid standard speeds (nothing, number, named speed)
	if ( !option || typeof option === "number" || $.fx.speeds[ option ] ) {
		return true;
	}

	// Invalid strings - treat as "normal" speed
	if ( typeof option === "string" && !$.effects.effect[ option ] ) {
		return true;
	}

	// Complete callback
	if ( $.isFunction( option ) ) {
		return true;
	}

	// Options hash (but not naming an effect)
	if ( typeof option === "object" && !option.effect ) {
		return true;
	}

	// Didn't match any standard API
	return false;
}

$.fn.extend({
	effect: function( /* effect, options, speed, callback */ ) {
		var args = _normalizeArguments.apply( this, arguments ),
			mode = args.mode,
			queue = args.queue,
			effectMethod = $.effects.effect[ args.effect ];

		if ( $.fx.off || !effectMethod ) {
			// delegate to the original method (e.g., .show()) if possible
			if ( mode ) {
				return this[ mode ]( args.duration, args.complete );
			} else {
				return this.each( function() {
					if ( args.complete ) {
						args.complete.call( this );
					}
				});
			}
		}

		function run( next ) {
			var elem = $( this ),
				complete = args.complete,
				mode = args.mode;

			function done() {
				if ( $.isFunction( complete ) ) {
					complete.call( elem[0] );
				}
				if ( $.isFunction( next ) ) {
					next();
				}
			}

			// If the element already has the correct final state, delegate to
			// the core methods so the internal tracking of "olddisplay" works.
			if ( elem.is( ":hidden" ) ? mode === "hide" : mode === "show" ) {
				elem[ mode ]();
				done();
			} else {
				effectMethod.call( elem[0], args, done );
			}
		}

		return queue === false ? this.each( run ) : this.queue( queue || "fx", run );
	},

	show: (function( orig ) {
		return function( option ) {
			if ( standardAnimationOption( option ) ) {
				return orig.apply( this, arguments );
			} else {
				var args = _normalizeArguments.apply( this, arguments );
				args.mode = "show";
				return this.effect.call( this, args );
			}
		};
	})( $.fn.show ),

	hide: (function( orig ) {
		return function( option ) {
			if ( standardAnimationOption( option ) ) {
				return orig.apply( this, arguments );
			} else {
				var args = _normalizeArguments.apply( this, arguments );
				args.mode = "hide";
				return this.effect.call( this, args );
			}
		};
	})( $.fn.hide ),

	toggle: (function( orig ) {
		return function( option ) {
			if ( standardAnimationOption( option ) || typeof option === "boolean" ) {
				return orig.apply( this, arguments );
			} else {
				var args = _normalizeArguments.apply( this, arguments );
				args.mode = "toggle";
				return this.effect.call( this, args );
			}
		};
	})( $.fn.toggle ),

	// helper functions
	cssUnit: function(key) {
		var style = this.css( key ),
			val = [];

		$.each( [ "em", "px", "%", "pt" ], function( i, unit ) {
			if ( style.indexOf( unit ) > 0 ) {
				val = [ parseFloat( style ), unit ];
			}
		});
		return val;
	}
});

})();

/******************************************************************************/
/*********************************** EASING ***********************************/
/******************************************************************************/

(function() {

// based on easing equations from Robert Penner (http://www.robertpenner.com/easing)

var baseEasings = {};

$.each( [ "Quad", "Cubic", "Quart", "Quint", "Expo" ], function( i, name ) {
	baseEasings[ name ] = function( p ) {
		return Math.pow( p, i + 2 );
	};
});

$.extend( baseEasings, {
	Sine: function ( p ) {
		return 1 - Math.cos( p * Math.PI / 2 );
	},
	Circ: function ( p ) {
		return 1 - Math.sqrt( 1 - p * p );
	},
	Elastic: function( p ) {
		return p === 0 || p === 1 ? p :
			-Math.pow( 2, 8 * (p - 1) ) * Math.sin( ( (p - 1) * 80 - 7.5 ) * Math.PI / 15 );
	},
	Back: function( p ) {
		return p * p * ( 3 * p - 2 );
	},
	Bounce: function ( p ) {
		var pow2,
			bounce = 4;

		while ( p < ( ( pow2 = Math.pow( 2, --bounce ) ) - 1 ) / 11 ) {}
		return 1 / Math.pow( 4, 3 - bounce ) - 7.5625 * Math.pow( ( pow2 * 3 - 2 ) / 22 - p, 2 );
	}
});

$.each( baseEasings, function( name, easeIn ) {
	$.easing[ "easeIn" + name ] = easeIn;
	$.easing[ "easeOut" + name ] = function( p ) {
		return 1 - easeIn( 1 - p );
	};
	$.easing[ "easeInOut" + name ] = function( p ) {
		return p < 0.5 ?
			easeIn( p * 2 ) / 2 :
			1 - easeIn( p * -2 + 2 ) / 2;
	};
});

})();

})(jQuery);

(function( $, undefined ) {

var uid = 0,
	hideProps = {},
	showProps = {};

hideProps.height = hideProps.paddingTop = hideProps.paddingBottom =
	hideProps.borderTopWidth = hideProps.borderBottomWidth = "hide";
showProps.height = showProps.paddingTop = showProps.paddingBottom =
	showProps.borderTopWidth = showProps.borderBottomWidth = "show";

$.widget( "ui.accordion", {
	version: "1.10.2",
	options: {
		active: 0,
		animate: {},
		collapsible: false,
		event: "click",
		header: "> li > :first-child,> :not(li):even",
		heightStyle: "auto",
		icons: {
			activeHeader: "ui-icon-triangle-1-s",
			header: "ui-icon-triangle-1-e"
		},

		// callbacks
		activate: null,
		beforeActivate: null
	},

	_create: function() {
		var options = this.options;
		this.prevShow = this.prevHide = $();
		this.element.addClass( "ui-accordion ui-widget ui-helper-reset" )
			// ARIA
			.attr( "role", "tablist" );

		// don't allow collapsible: false and active: false / null
		if ( !options.collapsible && (options.active === false || options.active == null) ) {
			options.active = 0;
		}

		this._processPanels();
		// handle negative values
		if ( options.active < 0 ) {
			options.active += this.headers.length;
		}
		this._refresh();
	},

	_getCreateEventData: function() {
		return {
			header: this.active,
			panel: !this.active.length ? $() : this.active.next(),
			content: !this.active.length ? $() : this.active.next()
		};
	},

	_createIcons: function() {
		var icons = this.options.icons;
		if ( icons ) {
			$( "<span>" )
				.addClass( "ui-accordion-header-icon ui-icon " + icons.header )
				.prependTo( this.headers );
			this.active.children( ".ui-accordion-header-icon" )
				.removeClass( icons.header )
				.addClass( icons.activeHeader );
			this.headers.addClass( "ui-accordion-icons" );
		}
	},

	_destroyIcons: function() {
		this.headers
			.removeClass( "ui-accordion-icons" )
			.children( ".ui-accordion-header-icon" )
				.remove();
	},

	_destroy: function() {
		var contents;

		// clean up main element
		this.element
			.removeClass( "ui-accordion ui-widget ui-helper-reset" )
			.removeAttr( "role" );

		// clean up headers
		this.headers
			.removeClass( "ui-accordion-header ui-accordion-header-active ui-helper-reset ui-state-default ui-corner-all ui-state-active ui-state-disabled ui-corner-top" )
			.removeAttr( "role" )
			.removeAttr( "aria-selected" )
			.removeAttr( "aria-controls" )
			.removeAttr( "tabIndex" )
			.each(function() {
				if ( /^ui-accordion/.test( this.id ) ) {
					this.removeAttribute( "id" );
				}
			});
		this._destroyIcons();

		// clean up content panels
		contents = this.headers.next()
			.css( "display", "" )
			.removeAttr( "role" )
			.removeAttr( "aria-expanded" )
			.removeAttr( "aria-hidden" )
			.removeAttr( "aria-labelledby" )
			.removeClass( "ui-helper-reset ui-widget-content ui-corner-bottom ui-accordion-content ui-accordion-content-active ui-state-disabled" )
			.each(function() {
				if ( /^ui-accordion/.test( this.id ) ) {
					this.removeAttribute( "id" );
				}
			});
		if ( this.options.heightStyle !== "content" ) {
			contents.css( "height", "" );
		}
	},

	_setOption: function( key, value ) {
		if ( key === "active" ) {
			// _activate() will handle invalid values and update this.options
			this._activate( value );
			return;
		}

		if ( key === "event" ) {
			if ( this.options.event ) {
				this._off( this.headers, this.options.event );
			}
			this._setupEvents( value );
		}

		this._super( key, value );

		// setting collapsible: false while collapsed; open first panel
		if ( key === "collapsible" && !value && this.options.active === false ) {
			this._activate( 0 );
		}

		if ( key === "icons" ) {
			this._destroyIcons();
			if ( value ) {
				this._createIcons();
			}
		}

		// #5332 - opacity doesn't cascade to positioned elements in IE
		// so we need to add the disabled class to the headers and panels
		if ( key === "disabled" ) {
			this.headers.add( this.headers.next() )
				.toggleClass( "ui-state-disabled", !!value );
		}
	},

	_keydown: function( event ) {
		/*jshint maxcomplexity:15*/
		if ( event.altKey || event.ctrlKey ) {
			return;
		}

		var keyCode = $.ui.keyCode,
			length = this.headers.length,
			currentIndex = this.headers.index( event.target ),
			toFocus = false;

		switch ( event.keyCode ) {
			case keyCode.RIGHT:
			case keyCode.DOWN:
				toFocus = this.headers[ ( currentIndex + 1 ) % length ];
				break;
			case keyCode.LEFT:
			case keyCode.UP:
				toFocus = this.headers[ ( currentIndex - 1 + length ) % length ];
				break;
			case keyCode.SPACE:
			case keyCode.ENTER:
				this._eventHandler( event );
				break;
			case keyCode.HOME:
				toFocus = this.headers[ 0 ];
				break;
			case keyCode.END:
				toFocus = this.headers[ length - 1 ];
				break;
		}

		if ( toFocus ) {
			$( event.target ).attr( "tabIndex", -1 );
			$( toFocus ).attr( "tabIndex", 0 );
			toFocus.focus();
			event.preventDefault();
		}
	},

	_panelKeyDown : function( event ) {
		if ( event.keyCode === $.ui.keyCode.UP && event.ctrlKey ) {
			$( event.currentTarget ).prev().focus();
		}
	},

	refresh: function() {
		var options = this.options;
		this._processPanels();

		// was collapsed or no panel
		if ( ( options.active === false && options.collapsible === true ) || !this.headers.length ) {
			options.active = false;
			this.active = $();
		// active false only when collapsible is true
		} if ( options.active === false ) {
			this._activate( 0 );
		// was active, but active panel is gone
		} else if ( this.active.length && !$.contains( this.element[ 0 ], this.active[ 0 ] ) ) {
			// all remaining panel are disabled
			if ( this.headers.length === this.headers.find(".ui-state-disabled").length ) {
				options.active = false;
				this.active = $();
			// activate previous panel
			} else {
				this._activate( Math.max( 0, options.active - 1 ) );
			}
		// was active, active panel still exists
		} else {
			// make sure active index is correct
			options.active = this.headers.index( this.active );
		}

		this._destroyIcons();

		this._refresh();
	},

	_processPanels: function() {
		this.headers = this.element.find( this.options.header )
			.addClass( "ui-accordion-header ui-helper-reset ui-state-default ui-corner-all" );

		this.headers.next()
			.addClass( "ui-accordion-content ui-helper-reset ui-widget-content ui-corner-bottom" )
			.filter(":not(.ui-accordion-content-active)")
			.hide();
	},

	_refresh: function() {
		var maxHeight,
			options = this.options,
			heightStyle = options.heightStyle,
			parent = this.element.parent(),
			accordionId = this.accordionId = "ui-accordion-" +
				(this.element.attr( "id" ) || ++uid);

		this.active = this._findActive( options.active )
			.addClass( "ui-accordion-header-active ui-state-active ui-corner-top" )
			.removeClass( "ui-corner-all" );
		this.active.next()
			.addClass( "ui-accordion-content-active" )
			.show();

		this.headers
			.attr( "role", "tab" )
			.each(function( i ) {
				var header = $( this ),
					headerId = header.attr( "id" ),
					panel = header.next(),
					panelId = panel.attr( "id" );
				if ( !headerId ) {
					headerId = accordionId + "-header-" + i;
					header.attr( "id", headerId );
				}
				if ( !panelId ) {
					panelId = accordionId + "-panel-" + i;
					panel.attr( "id", panelId );
				}
				header.attr( "aria-controls", panelId );
				panel.attr( "aria-labelledby", headerId );
			})
			.next()
				.attr( "role", "tabpanel" );

		this.headers
			.not( this.active )
			.attr({
				"aria-selected": "false",
				tabIndex: -1
			})
			.next()
				.attr({
					"aria-expanded": "false",
					"aria-hidden": "true"
				})
				.hide();

		// make sure at least one header is in the tab order
		if ( !this.active.length ) {
			this.headers.eq( 0 ).attr( "tabIndex", 0 );
		} else {
			this.active.attr({
				"aria-selected": "true",
				tabIndex: 0
			})
			.next()
				.attr({
					"aria-expanded": "true",
					"aria-hidden": "false"
				});
		}

		this._createIcons();

		this._setupEvents( options.event );

		if ( heightStyle === "fill" ) {
			maxHeight = parent.height();
			this.element.siblings( ":visible" ).each(function() {
				var elem = $( this ),
					position = elem.css( "position" );

				if ( position === "absolute" || position === "fixed" ) {
					return;
				}
				maxHeight -= elem.outerHeight( true );
			});

			this.headers.each(function() {
				maxHeight -= $( this ).outerHeight( true );
			});

			this.headers.next()
				.each(function() {
					$( this ).height( Math.max( 0, maxHeight -
						$( this ).innerHeight() + $( this ).height() ) );
				})
				.css( "overflow", "auto" );
		} else if ( heightStyle === "auto" ) {
			maxHeight = 0;
			this.headers.next()
				.each(function() {
					maxHeight = Math.max( maxHeight, $( this ).css( "height", "" ).height() );
				})
				.height( maxHeight );
		}
	},

	_activate: function( index ) {
		var active = this._findActive( index )[ 0 ];

		// trying to activate the already active panel
		if ( active === this.active[ 0 ] ) {
			return;
		}

		// trying to collapse, simulate a click on the currently active header
		active = active || this.active[ 0 ];

		this._eventHandler({
			target: active,
			currentTarget: active,
			preventDefault: $.noop
		});
	},

	_findActive: function( selector ) {
		return typeof selector === "number" ? this.headers.eq( selector ) : $();
	},

	_setupEvents: function( event ) {
		var events = {
			keydown: "_keydown"
		};
		if ( event ) {
			$.each( event.split(" "), function( index, eventName ) {
				events[ eventName ] = "_eventHandler";
			});
		}

		this._off( this.headers.add( this.headers.next() ) );
		this._on( this.headers, events );
		this._on( this.headers.next(), { keydown: "_panelKeyDown" });
		this._hoverable( this.headers );
		this._focusable( this.headers );
	},

	_eventHandler: function( event ) {
		var options = this.options,
			active = this.active,
			clicked = $( event.currentTarget ),
			clickedIsActive = clicked[ 0 ] === active[ 0 ],
			collapsing = clickedIsActive && options.collapsible,
			toShow = collapsing ? $() : clicked.next(),
			toHide = active.next(),
			eventData = {
				oldHeader: active,
				oldPanel: toHide,
				newHeader: collapsing ? $() : clicked,
				newPanel: toShow
			};

		event.preventDefault();

		if (
				// click on active header, but not collapsible
				( clickedIsActive && !options.collapsible ) ||
				// allow canceling activation
				( this._trigger( "beforeActivate", event, eventData ) === false ) ) {
			return;
		}

		options.active = collapsing ? false : this.headers.index( clicked );

		// when the call to ._toggle() comes after the class changes
		// it causes a very odd bug in IE 8 (see #6720)
		this.active = clickedIsActive ? $() : clicked;
		this._toggle( eventData );

		// switch classes
		// corner classes on the previously active header stay after the animation
		active.removeClass( "ui-accordion-header-active ui-state-active" );
		if ( options.icons ) {
			active.children( ".ui-accordion-header-icon" )
				.removeClass( options.icons.activeHeader )
				.addClass( options.icons.header );
		}

		if ( !clickedIsActive ) {
			clicked
				.removeClass( "ui-corner-all" )
				.addClass( "ui-accordion-header-active ui-state-active ui-corner-top" );
			if ( options.icons ) {
				clicked.children( ".ui-accordion-header-icon" )
					.removeClass( options.icons.header )
					.addClass( options.icons.activeHeader );
			}

			clicked
				.next()
				.addClass( "ui-accordion-content-active" );
		}
	},

	_toggle: function( data ) {
		var toShow = data.newPanel,
			toHide = this.prevShow.length ? this.prevShow : data.oldPanel;

		// handle activating a panel during the animation for another activation
		this.prevShow.add( this.prevHide ).stop( true, true );
		this.prevShow = toShow;
		this.prevHide = toHide;

		if ( this.options.animate ) {
			this._animate( toShow, toHide, data );
		} else {
			toHide.hide();
			toShow.show();
			this._toggleComplete( data );
		}

		toHide.attr({
			"aria-expanded": "false",
			"aria-hidden": "true"
		});
		toHide.prev().attr( "aria-selected", "false" );
		// if we're switching panels, remove the old header from the tab order
		// if we're opening from collapsed state, remove the previous header from the tab order
		// if we're collapsing, then keep the collapsing header in the tab order
		if ( toShow.length && toHide.length ) {
			toHide.prev().attr( "tabIndex", -1 );
		} else if ( toShow.length ) {
			this.headers.filter(function() {
				return $( this ).attr( "tabIndex" ) === 0;
			})
			.attr( "tabIndex", -1 );
		}

		toShow
			.attr({
				"aria-expanded": "true",
				"aria-hidden": "false"
			})
			.prev()
				.attr({
					"aria-selected": "true",
					tabIndex: 0
				});
	},

	_animate: function( toShow, toHide, data ) {
		var total, easing, duration,
			that = this,
			adjust = 0,
			down = toShow.length &&
				( !toHide.length || ( toShow.index() < toHide.index() ) ),
			animate = this.options.animate || {},
			options = down && animate.down || animate,
			complete = function() {
				that._toggleComplete( data );
			};

		if ( typeof options === "number" ) {
			duration = options;
		}
		if ( typeof options === "string" ) {
			easing = options;
		}
		// fall back from options to animation in case of partial down settings
		easing = easing || options.easing || animate.easing;
		duration = duration || options.duration || animate.duration;

		if ( !toHide.length ) {
			return toShow.animate( showProps, duration, easing, complete );
		}
		if ( !toShow.length ) {
			return toHide.animate( hideProps, duration, easing, complete );
		}

		total = toShow.show().outerHeight();
		toHide.animate( hideProps, {
			duration: duration,
			easing: easing,
			step: function( now, fx ) {
				fx.now = Math.round( now );
			}
		});
		toShow
			.hide()
			.animate( showProps, {
				duration: duration,
				easing: easing,
				complete: complete,
				step: function( now, fx ) {
					fx.now = Math.round( now );
					if ( fx.prop !== "height" ) {
						adjust += fx.now;
					} else if ( that.options.heightStyle !== "content" ) {
						fx.now = Math.round( total - toHide.outerHeight() - adjust );
						adjust = 0;
					}
				}
			});
	},

	_toggleComplete: function( data ) {
		var toHide = data.oldPanel;

		toHide
			.removeClass( "ui-accordion-content-active" )
			.prev()
				.removeClass( "ui-corner-top" )
				.addClass( "ui-corner-all" );

		// Work around for rendering bug in IE (#5421)
		if ( toHide.length ) {
			toHide.parent()[0].className = toHide.parent()[0].className;
		}

		this._trigger( "activate", null, data );
	}
});

})( jQuery );

(function( $, undefined ) {

// used to prevent race conditions with remote data sources
var requestIndex = 0;

$.widget( "ui.autocomplete", {
	version: "1.10.2",
	defaultElement: "<input>",
	options: {
		appendTo: null,
		autoFocus: false,
		delay: 300,
		minLength: 1,
		position: {
			my: "left top",
			at: "left bottom",
			collision: "none"
		},
		source: null,

		// callbacks
		change: null,
		close: null,
		focus: null,
		open: null,
		response: null,
		search: null,
		select: null
	},

	pending: 0,

	_create: function() {
		// Some browsers only repeat keydown events, not keypress events,
		// so we use the suppressKeyPress flag to determine if we've already
		// handled the keydown event. #7269
		// Unfortunately the code for & in keypress is the same as the up arrow,
		// so we use the suppressKeyPressRepeat flag to avoid handling keypress
		// events when we know the keydown event was used to modify the
		// search term. #7799
		var suppressKeyPress, suppressKeyPressRepeat, suppressInput,
			nodeName = this.element[0].nodeName.toLowerCase(),
			isTextarea = nodeName === "textarea",
			isInput = nodeName === "input";

		this.isMultiLine =
			// Textareas are always multi-line
			isTextarea ? true :
			// Inputs are always single-line, even if inside a contentEditable element
			// IE also treats inputs as contentEditable
			isInput ? false :
			// All other element types are determined by whether or not they're contentEditable
			this.element.prop( "isContentEditable" );

		this.valueMethod = this.element[ isTextarea || isInput ? "val" : "text" ];
		this.isNewMenu = true;

		this.element
			.addClass( "ui-autocomplete-input" )
			.attr( "autocomplete", "off" );

		this._on( this.element, {
			keydown: function( event ) {
				/*jshint maxcomplexity:15*/
				if ( this.element.prop( "readOnly" ) ) {
					suppressKeyPress = true;
					suppressInput = true;
					suppressKeyPressRepeat = true;
					return;
				}

				suppressKeyPress = false;
				suppressInput = false;
				suppressKeyPressRepeat = false;
				var keyCode = $.ui.keyCode;
				switch( event.keyCode ) {
				case keyCode.PAGE_UP:
					suppressKeyPress = true;
					this._move( "previousPage", event );
					break;
				case keyCode.PAGE_DOWN:
					suppressKeyPress = true;
					this._move( "nextPage", event );
					break;
				case keyCode.UP:
					suppressKeyPress = true;
					this._keyEvent( "previous", event );
					break;
				case keyCode.DOWN:
					suppressKeyPress = true;
					this._keyEvent( "next", event );
					break;
				case keyCode.ENTER:
				case keyCode.NUMPAD_ENTER:
					// when menu is open and has focus
					if ( this.menu.active ) {
						// #6055 - Opera still allows the keypress to occur
						// which causes forms to submit
						suppressKeyPress = true;
						event.preventDefault();
						this.menu.select( event );
					}
					break;
				case keyCode.TAB:
					if ( this.menu.active ) {
						this.menu.select( event );
					}
					break;
				case keyCode.ESCAPE:
					if ( this.menu.element.is( ":visible" ) ) {
						this._value( this.term );
						this.close( event );
						// Different browsers have different default behavior for escape
						// Single press can mean undo or clear
						// Double press in IE means clear the whole form
						event.preventDefault();
					}
					break;
				default:
					suppressKeyPressRepeat = true;
					// search timeout should be triggered before the input value is changed
					this._searchTimeout( event );
					break;
				}
			},
			keypress: function( event ) {
				if ( suppressKeyPress ) {
					suppressKeyPress = false;
					event.preventDefault();
					return;
				}
				if ( suppressKeyPressRepeat ) {
					return;
				}

				// replicate some key handlers to allow them to repeat in Firefox and Opera
				var keyCode = $.ui.keyCode;
				switch( event.keyCode ) {
				case keyCode.PAGE_UP:
					this._move( "previousPage", event );
					break;
				case keyCode.PAGE_DOWN:
					this._move( "nextPage", event );
					break;
				case keyCode.UP:
					this._keyEvent( "previous", event );
					break;
				case keyCode.DOWN:
					this._keyEvent( "next", event );
					break;
				}
			},
			input: function( event ) {
				if ( suppressInput ) {
					suppressInput = false;
					event.preventDefault();
					return;
				}
				this._searchTimeout( event );
			},
			focus: function() {
				this.selectedItem = null;
				this.previous = this._value();
			},
			blur: function( event ) {
				if ( this.cancelBlur ) {
					delete this.cancelBlur;
					return;
				}

				clearTimeout( this.searching );
				this.close( event );
				this._change( event );
			}
		});

		this._initSource();
		this.menu = $( "<ul>" )
			.addClass( "ui-autocomplete ui-front" )
			.appendTo( this._appendTo() )
			.menu({
				// custom key handling for now
				input: $(),
				// disable ARIA support, the live region takes care of that
				role: null
			})
			.hide()
			.data( "ui-menu" );

		this._on( this.menu.element, {
			mousedown: function( event ) {
				// prevent moving focus out of the text field
				event.preventDefault();

				// IE doesn't prevent moving focus even with event.preventDefault()
				// so we set a flag to know when we should ignore the blur event
				this.cancelBlur = true;
				this._delay(function() {
					delete this.cancelBlur;
				});

				// clicking on the scrollbar causes focus to shift to the body
				// but we can't detect a mouseup or a click immediately afterward
				// so we have to track the next mousedown and close the menu if
				// the user clicks somewhere outside of the autocomplete
				var menuElement = this.menu.element[ 0 ];
				if ( !$( event.target ).closest( ".ui-menu-item" ).length ) {
					this._delay(function() {
						var that = this;
						this.document.one( "mousedown", function( event ) {
							if ( event.target !== that.element[ 0 ] &&
									event.target !== menuElement &&
									!$.contains( menuElement, event.target ) ) {
								that.close();
							}
						});
					});
				}
			},
			menufocus: function( event, ui ) {
				// support: Firefox
				// Prevent accidental activation of menu items in Firefox (#7024 #9118)
				if ( this.isNewMenu ) {
					this.isNewMenu = false;
					if ( event.originalEvent && /^mouse/.test( event.originalEvent.type ) ) {
						this.menu.blur();

						this.document.one( "mousemove", function() {
							$( event.target ).trigger( event.originalEvent );
						});

						return;
					}
				}

				var item = ui.item.data( "ui-autocomplete-item" );
				if ( false !== this._trigger( "focus", event, { item: item } ) ) {
					// use value to match what will end up in the input, if it was a key event
					if ( event.originalEvent && /^key/.test( event.originalEvent.type ) ) {
						this._value( item.value );
					}
				} else {
					// Normally the input is populated with the item's value as the
					// menu is navigated, causing screen readers to notice a change and
					// announce the item. Since the focus event was canceled, this doesn't
					// happen, so we update the live region so that screen readers can
					// still notice the change and announce it.
					this.liveRegion.text( item.value );
				}
			},
			menuselect: function( event, ui ) {
				var item = ui.item.data( "ui-autocomplete-item" ),
					previous = this.previous;

				// only trigger when focus was lost (click on menu)
				if ( this.element[0] !== this.document[0].activeElement ) {
					this.element.focus();
					this.previous = previous;
					// #6109 - IE triggers two focus events and the second
					// is asynchronous, so we need to reset the previous
					// term synchronously and asynchronously :-(
					this._delay(function() {
						this.previous = previous;
						this.selectedItem = item;
					});
				}

				if ( false !== this._trigger( "select", event, { item: item } ) ) {
					this._value( item.value );
				}
				// reset the term after the select event
				// this allows custom select handling to work properly
				this.term = this._value();

				this.close( event );
				this.selectedItem = item;
			}
		});

		this.liveRegion = $( "<span>", {
				role: "status",
				"aria-live": "polite"
			})
			.addClass( "ui-helper-hidden-accessible" )
			.insertAfter( this.element );

		// turning off autocomplete prevents the browser from remembering the
		// value when navigating through history, so we re-enable autocomplete
		// if the page is unloaded before the widget is destroyed. #7790
		this._on( this.window, {
			beforeunload: function() {
				this.element.removeAttr( "autocomplete" );
			}
		});
	},

	_destroy: function() {
		clearTimeout( this.searching );
		this.element
			.removeClass( "ui-autocomplete-input" )
			.removeAttr( "autocomplete" );
		this.menu.element.remove();
		this.liveRegion.remove();
	},

	_setOption: function( key, value ) {
		this._super( key, value );
		if ( key === "source" ) {
			this._initSource();
		}
		if ( key === "appendTo" ) {
			this.menu.element.appendTo( this._appendTo() );
		}
		if ( key === "disabled" && value && this.xhr ) {
			this.xhr.abort();
		}
	},

	_appendTo: function() {
		var element = this.options.appendTo;

		if ( element ) {
			element = element.jquery || element.nodeType ?
				$( element ) :
				this.document.find( element ).eq( 0 );
		}

		if ( !element ) {
			element = this.element.closest( ".ui-front" );
		}

		if ( !element.length ) {
			element = this.document[0].body;
		}

		return element;
	},

	_initSource: function() {
		var array, url,
			that = this;
		if ( $.isArray(this.options.source) ) {
			array = this.options.source;
			this.source = function( request, response ) {
				response( $.ui.autocomplete.filter( array, request.term ) );
			};
		} else if ( typeof this.options.source === "string" ) {
			url = this.options.source;
			this.source = function( request, response ) {
				if ( that.xhr ) {
					that.xhr.abort();
				}
				that.xhr = $.ajax({
					url: url,
					data: request,
					dataType: "json",
					success: function( data ) {
						response( data );
					},
					error: function() {
						response( [] );
					}
				});
			};
		} else {
			this.source = this.options.source;
		}
	},

	_searchTimeout: function( event ) {
		clearTimeout( this.searching );
		this.searching = this._delay(function() {
			// only search if the value has changed
			if ( this.term !== this._value() ) {
				this.selectedItem = null;
				this.search( null, event );
			}
		}, this.options.delay );
	},

	search: function( value, event ) {
		value = value != null ? value : this._value();

		// always save the actual value, not the one passed as an argument
		this.term = this._value();

		if ( value.length < this.options.minLength ) {
			return this.close( event );
		}

		if ( this._trigger( "search", event ) === false ) {
			return;
		}

		return this._search( value );
	},

	_search: function( value ) {
		this.pending++;
		this.element.addClass( "ui-autocomplete-loading" );
		this.cancelSearch = false;

		this.source( { term: value }, this._response() );
	},

	_response: function() {
		var that = this,
			index = ++requestIndex;

		return function( content ) {
			if ( index === requestIndex ) {
				that.__response( content );
			}

			that.pending--;
			if ( !that.pending ) {
				that.element.removeClass( "ui-autocomplete-loading" );
			}
		};
	},

	__response: function( content ) {
		if ( content ) {
			content = this._normalize( content );
		}
		this._trigger( "response", null, { content: content } );
		if ( !this.options.disabled && content && content.length && !this.cancelSearch ) {
			this._suggest( content );
			this._trigger( "open" );
		} else {
			// use ._close() instead of .close() so we don't cancel future searches
			this._close();
		}
	},

	close: function( event ) {
		this.cancelSearch = true;
		this._close( event );
	},

	_close: function( event ) {
		if ( this.menu.element.is( ":visible" ) ) {
			this.menu.element.hide();
			this.menu.blur();
			this.isNewMenu = true;
			this._trigger( "close", event );
		}
	},

	_change: function( event ) {
		if ( this.previous !== this._value() ) {
			this._trigger( "change", event, { item: this.selectedItem } );
		}
	},

	_normalize: function( items ) {
		// assume all items have the right format when the first item is complete
		if ( items.length && items[0].label && items[0].value ) {
			return items;
		}
		return $.map( items, function( item ) {
			if ( typeof item === "string" ) {
				return {
					label: item,
					value: item
				};
			}
			return $.extend({
				label: item.label || item.value,
				value: item.value || item.label
			}, item );
		});
	},

	_suggest: function( items ) {
		var ul = this.menu.element.empty();
		this._renderMenu( ul, items );
		this.isNewMenu = true;
		this.menu.refresh();

		// size and position menu
		ul.show();
		this._resizeMenu();
		ul.position( $.extend({
			of: this.element
		}, this.options.position ));

		if ( this.options.autoFocus ) {
			this.menu.next();
		}
	},

	_resizeMenu: function() {
		var ul = this.menu.element;
		ul.outerWidth( Math.max(
			// Firefox wraps long text (possibly a rounding bug)
			// so we add 1px to avoid the wrapping (#7513)
			ul.width( "" ).outerWidth() + 1,
			this.element.outerWidth()
		) );
	},

	_renderMenu: function( ul, items ) {
		var that = this;
		$.each( items, function( index, item ) {
			that._renderItemData( ul, item );
		});
	},

	_renderItemData: function( ul, item ) {
		return this._renderItem( ul, item ).data( "ui-autocomplete-item", item );
	},

	_renderItem: function( ul, item ) {
		return $( "<li>" )
			.append( $( "<a>" ).text( item.label ) )
			.appendTo( ul );
	},

	_move: function( direction, event ) {
		if ( !this.menu.element.is( ":visible" ) ) {
			this.search( null, event );
			return;
		}
		if ( this.menu.isFirstItem() && /^previous/.test( direction ) ||
				this.menu.isLastItem() && /^next/.test( direction ) ) {
			this._value( this.term );
			this.menu.blur();
			return;
		}
		this.menu[ direction ]( event );
	},

	widget: function() {
		return this.menu.element;
	},

	_value: function() {
		return this.valueMethod.apply( this.element, arguments );
	},

	_keyEvent: function( keyEvent, event ) {
		if ( !this.isMultiLine || this.menu.element.is( ":visible" ) ) {
			this._move( keyEvent, event );

			// prevents moving cursor to beginning/end of the text field in some browsers
			event.preventDefault();
		}
	}
});

$.extend( $.ui.autocomplete, {
	escapeRegex: function( value ) {
		return value.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g, "\\$&");
	},
	filter: function(array, term) {
		var matcher = new RegExp( $.ui.autocomplete.escapeRegex(term), "i" );
		return $.grep( array, function(value) {
			return matcher.test( value.label || value.value || value );
		});
	}
});


// live region extension, adding a `messages` option
// NOTE: This is an experimental API. We are still investigating
// a full solution for string manipulation and internationalization.
$.widget( "ui.autocomplete", $.ui.autocomplete, {
	options: {
		messages: {
			noResults: "No search results.",
			results: function( amount ) {
				return amount + ( amount > 1 ? " results are" : " result is" ) +
					" available, use up and down arrow keys to navigate.";
			}
		}
	},

	__response: function( content ) {
		var message;
		this._superApply( arguments );
		if ( this.options.disabled || this.cancelSearch ) {
			return;
		}
		if ( content && content.length ) {
			message = this.options.messages.results( content.length );
		} else {
			message = this.options.messages.noResults;
		}
		this.liveRegion.text( message );
	}
});

}( jQuery ));

(function( $, undefined ) {

var lastActive, startXPos, startYPos, clickDragged,
	baseClasses = "ui-button ui-widget ui-state-default ui-corner-all",
	stateClasses = "ui-state-hover ui-state-active ",
	typeClasses = "ui-button-icons-only ui-button-icon-only ui-button-text-icons ui-button-text-icon-primary ui-button-text-icon-secondary ui-button-text-only",
	formResetHandler = function() {
		var buttons = $( this ).find( ":ui-button" );
		setTimeout(function() {
			buttons.button( "refresh" );
		}, 1 );
	},
	radioGroup = function( radio ) {
		var name = radio.name,
			form = radio.form,
			radios = $( [] );
		if ( name ) {
			name = name.replace( /'/g, "\\'" );
			if ( form ) {
				radios = $( form ).find( "[name='" + name + "']" );
			} else {
				radios = $( "[name='" + name + "']", radio.ownerDocument )
					.filter(function() {
						return !this.form;
					});
			}
		}
		return radios;
	};

$.widget( "ui.button", {
	version: "1.10.2",
	defaultElement: "<button>",
	options: {
		disabled: null,
		text: true,
		label: null,
		icons: {
			primary: null,
			secondary: null
		}
	},
	_create: function() {
		this.element.closest( "form" )
			.unbind( "reset" + this.eventNamespace )
			.bind( "reset" + this.eventNamespace, formResetHandler );

		if ( typeof this.options.disabled !== "boolean" ) {
			this.options.disabled = !!this.element.prop( "disabled" );
		} else {
			this.element.prop( "disabled", this.options.disabled );
		}

		this._determineButtonType();
		this.hasTitle = !!this.buttonElement.attr( "title" );

		var that = this,
			options = this.options,
			toggleButton = this.type === "checkbox" || this.type === "radio",
			activeClass = !toggleButton ? "ui-state-active" : "",
			focusClass = "ui-state-focus";

		if ( options.label === null ) {
			options.label = (this.type === "input" ? this.buttonElement.val() : this.buttonElement.html());
		}

		this._hoverable( this.buttonElement );

		this.buttonElement
			.addClass( baseClasses )
			.attr( "role", "button" )
			.bind( "mouseenter" + this.eventNamespace, function() {
				if ( options.disabled ) {
					return;
				}
				if ( this === lastActive ) {
					$( this ).addClass( "ui-state-active" );
				}
			})
			.bind( "mouseleave" + this.eventNamespace, function() {
				if ( options.disabled ) {
					return;
				}
				$( this ).removeClass( activeClass );
			})
			.bind( "click" + this.eventNamespace, function( event ) {
				if ( options.disabled ) {
					event.preventDefault();
					event.stopImmediatePropagation();
				}
			});

		this.element
			.bind( "focus" + this.eventNamespace, function() {
				// no need to check disabled, focus won't be triggered anyway
				that.buttonElement.addClass( focusClass );
			})
			.bind( "blur" + this.eventNamespace, function() {
				that.buttonElement.removeClass( focusClass );
			});

		if ( toggleButton ) {
			this.element.bind( "change" + this.eventNamespace, function() {
				if ( clickDragged ) {
					return;
				}
				that.refresh();
			});
			// if mouse moves between mousedown and mouseup (drag) set clickDragged flag
			// prevents issue where button state changes but checkbox/radio checked state
			// does not in Firefox (see ticket #6970)
			this.buttonElement
				.bind( "mousedown" + this.eventNamespace, function( event ) {
					if ( options.disabled ) {
						return;
					}
					clickDragged = false;
					startXPos = event.pageX;
					startYPos = event.pageY;
				})
				.bind( "mouseup" + this.eventNamespace, function( event ) {
					if ( options.disabled ) {
						return;
					}
					if ( startXPos !== event.pageX || startYPos !== event.pageY ) {
						clickDragged = true;
					}
			});
		}

		if ( this.type === "checkbox" ) {
			this.buttonElement.bind( "click" + this.eventNamespace, function() {
				if ( options.disabled || clickDragged ) {
					return false;
				}
			});
		} else if ( this.type === "radio" ) {
			this.buttonElement.bind( "click" + this.eventNamespace, function() {
				if ( options.disabled || clickDragged ) {
					return false;
				}
				$( this ).addClass( "ui-state-active" );
				that.buttonElement.attr( "aria-pressed", "true" );

				var radio = that.element[ 0 ];
				radioGroup( radio )
					.not( radio )
					.map(function() {
						return $( this ).button( "widget" )[ 0 ];
					})
					.removeClass( "ui-state-active" )
					.attr( "aria-pressed", "false" );
			});
		} else {
			this.buttonElement
				.bind( "mousedown" + this.eventNamespace, function() {
					if ( options.disabled ) {
						return false;
					}
					$( this ).addClass( "ui-state-active" );
					lastActive = this;
					that.document.one( "mouseup", function() {
						lastActive = null;
					});
				})
				.bind( "mouseup" + this.eventNamespace, function() {
					if ( options.disabled ) {
						return false;
					}
					$( this ).removeClass( "ui-state-active" );
				})
				.bind( "keydown" + this.eventNamespace, function(event) {
					if ( options.disabled ) {
						return false;
					}
					if ( event.keyCode === $.ui.keyCode.SPACE || event.keyCode === $.ui.keyCode.ENTER ) {
						$( this ).addClass( "ui-state-active" );
					}
				})
				// see #8559, we bind to blur here in case the button element loses
				// focus between keydown and keyup, it would be left in an "active" state
				.bind( "keyup" + this.eventNamespace + " blur" + this.eventNamespace, function() {
					$( this ).removeClass( "ui-state-active" );
				});

			if ( this.buttonElement.is("a") ) {
				this.buttonElement.keyup(function(event) {
					if ( event.keyCode === $.ui.keyCode.SPACE ) {
						// TODO pass through original event correctly (just as 2nd argument doesn't work)
						$( this ).click();
					}
				});
			}
		}

		// TODO: pull out $.Widget's handling for the disabled option into
		// $.Widget.prototype._setOptionDisabled so it's easy to proxy and can
		// be overridden by individual plugins
		this._setOption( "disabled", options.disabled );
		this._resetButton();
	},

	_determineButtonType: function() {
		var ancestor, labelSelector, checked;

		if ( this.element.is("[type=checkbox]") ) {
			this.type = "checkbox";
		} else if ( this.element.is("[type=radio]") ) {
			this.type = "radio";
		} else if ( this.element.is("input") ) {
			this.type = "input";
		} else {
			this.type = "button";
		}

		if ( this.type === "checkbox" || this.type === "radio" ) {
			// we don't search against the document in case the element
			// is disconnected from the DOM
			ancestor = this.element.parents().last();
			labelSelector = "label[for='" + this.element.attr("id") + "']";
			this.buttonElement = ancestor.find( labelSelector );
			if ( !this.buttonElement.length ) {
				ancestor = ancestor.length ? ancestor.siblings() : this.element.siblings();
				this.buttonElement = ancestor.filter( labelSelector );
				if ( !this.buttonElement.length ) {
					this.buttonElement = ancestor.find( labelSelector );
				}
			}
			this.element.addClass( "ui-helper-hidden-accessible" );

			checked = this.element.is( ":checked" );
			if ( checked ) {
				this.buttonElement.addClass( "ui-state-active" );
			}
			this.buttonElement.prop( "aria-pressed", checked );
		} else {
			this.buttonElement = this.element;
		}
	},

	widget: function() {
		return this.buttonElement;
	},

	_destroy: function() {
		this.element
			.removeClass( "ui-helper-hidden-accessible" );
		this.buttonElement
			.removeClass( baseClasses + " " + stateClasses + " " + typeClasses )
			.removeAttr( "role" )
			.removeAttr( "aria-pressed" )
			.html( this.buttonElement.find(".ui-button-text").html() );

		if ( !this.hasTitle ) {
			this.buttonElement.removeAttr( "title" );
		}
	},

	_setOption: function( key, value ) {
		this._super( key, value );
		if ( key === "disabled" ) {
			if ( value ) {
				this.element.prop( "disabled", true );
			} else {
				this.element.prop( "disabled", false );
			}
			return;
		}
		this._resetButton();
	},

	refresh: function() {
		//See #8237 & #8828
		var isDisabled = this.element.is( "input, button" ) ? this.element.is( ":disabled" ) : this.element.hasClass( "ui-button-disabled" );

		if ( isDisabled !== this.options.disabled ) {
			this._setOption( "disabled", isDisabled );
		}
		if ( this.type === "radio" ) {
			radioGroup( this.element[0] ).each(function() {
				if ( $( this ).is( ":checked" ) ) {
					$( this ).button( "widget" )
						.addClass( "ui-state-active" )
						.attr( "aria-pressed", "true" );
				} else {
					$( this ).button( "widget" )
						.removeClass( "ui-state-active" )
						.attr( "aria-pressed", "false" );
				}
			});
		} else if ( this.type === "checkbox" ) {
			if ( this.element.is( ":checked" ) ) {
				this.buttonElement
					.addClass( "ui-state-active" )
					.attr( "aria-pressed", "true" );
			} else {
				this.buttonElement
					.removeClass( "ui-state-active" )
					.attr( "aria-pressed", "false" );
			}
		}
	},

	_resetButton: function() {
		if ( this.type === "input" ) {
			if ( this.options.label ) {
				this.element.val( this.options.label );
			}
			return;
		}
		var buttonElement = this.buttonElement.removeClass( typeClasses ),
			buttonText = $( "<span></span>", this.document[0] )
				.addClass( "ui-button-text" )
				.html( this.options.label )
				.appendTo( buttonElement.empty() )
				.text(),
			icons = this.options.icons,
			multipleIcons = icons.primary && icons.secondary,
			buttonClasses = [];

		if ( icons.primary || icons.secondary ) {
			if ( this.options.text ) {
				buttonClasses.push( "ui-button-text-icon" + ( multipleIcons ? "s" : ( icons.primary ? "-primary" : "-secondary" ) ) );
			}

			if ( icons.primary ) {
				buttonElement.prepend( "<span class='ui-button-icon-primary ui-icon " + icons.primary + "'></span>" );
			}

			if ( icons.secondary ) {
				buttonElement.append( "<span class='ui-button-icon-secondary ui-icon " + icons.secondary + "'></span>" );
			}

			if ( !this.options.text ) {
				buttonClasses.push( multipleIcons ? "ui-button-icons-only" : "ui-button-icon-only" );

				if ( !this.hasTitle ) {
					buttonElement.attr( "title", $.trim( buttonText ) );
				}
			}
		} else {
			buttonClasses.push( "ui-button-text-only" );
		}
		buttonElement.addClass( buttonClasses.join( " " ) );
	}
});

$.widget( "ui.buttonset", {
	version: "1.10.2",
	options: {
		items: "button, input[type=button], input[type=submit], input[type=reset], input[type=checkbox], input[type=radio], a, :data(ui-button)"
	},

	_create: function() {
		this.element.addClass( "ui-buttonset" );
	},

	_init: function() {
		this.refresh();
	},

	_setOption: function( key, value ) {
		if ( key === "disabled" ) {
			this.buttons.button( "option", key, value );
		}

		this._super( key, value );
	},

	refresh: function() {
		var rtl = this.element.css( "direction" ) === "rtl";

		this.buttons = this.element.find( this.options.items )
			.filter( ":ui-button" )
				.button( "refresh" )
			.end()
			.not( ":ui-button" )
				.button()
			.end()
			.map(function() {
				return $( this ).button( "widget" )[ 0 ];
			})
				.removeClass( "ui-corner-all ui-corner-left ui-corner-right" )
				.filter( ":first" )
					.addClass( rtl ? "ui-corner-right" : "ui-corner-left" )
				.end()
				.filter( ":last" )
					.addClass( rtl ? "ui-corner-left" : "ui-corner-right" )
				.end()
			.end();
	},

	_destroy: function() {
		this.element.removeClass( "ui-buttonset" );
		this.buttons
			.map(function() {
				return $( this ).button( "widget" )[ 0 ];
			})
				.removeClass( "ui-corner-left ui-corner-right" )
			.end()
			.button( "destroy" );
	}
});

}( jQuery ) );

(function( $, undefined ) {

$.extend($.ui, { datepicker: { version: "1.10.2" } });

var PROP_NAME = "datepicker",
	dpuuid = new Date().getTime(),
	instActive;

/* Date picker manager.
   Use the singleton instance of this class, $.datepicker, to interact with the date picker.
   Settings for (groups of) date pickers are maintained in an instance object,
   allowing multiple different settings on the same page. */

function Datepicker() {
	this._curInst = null; // The current instance in use
	this._keyEvent = false; // If the last event was a key event
	this._disabledInputs = []; // List of date picker inputs that have been disabled
	this._datepickerShowing = false; // True if the popup picker is showing , false if not
	this._inDialog = false; // True if showing within a "dialog", false if not
	this._mainDivId = "ui-datepicker-div"; // The ID of the main datepicker division
	this._inlineClass = "ui-datepicker-inline"; // The name of the inline marker class
	this._appendClass = "ui-datepicker-append"; // The name of the append marker class
	this._triggerClass = "ui-datepicker-trigger"; // The name of the trigger marker class
	this._dialogClass = "ui-datepicker-dialog"; // The name of the dialog marker class
	this._disableClass = "ui-datepicker-disabled"; // The name of the disabled covering marker class
	this._unselectableClass = "ui-datepicker-unselectable"; // The name of the unselectable cell marker class
	this._currentClass = "ui-datepicker-current-day"; // The name of the current day marker class
	this._dayOverClass = "ui-datepicker-days-cell-over"; // The name of the day hover marker class
	this.regional = []; // Available regional settings, indexed by language code
	this.regional[""] = { // Default regional settings
		closeText: "Done", // Display text for close link
		prevText: "Prev", // Display text for previous month link
		nextText: "Next", // Display text for next month link
		currentText: "Today", // Display text for current month link
		monthNames: ["January","February","March","April","May","June",
			"July","August","September","October","November","December"], // Names of months for drop-down and formatting
		monthNamesShort: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"], // For formatting
		dayNames: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"], // For formatting
		dayNamesShort: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"], // For formatting
		dayNamesMin: ["Su","Mo","Tu","We","Th","Fr","Sa"], // Column headings for days starting at Sunday
		weekHeader: "Wk", // Column header for week of the year
		dateFormat: "mm/dd/yy", // See format options on parseDate
		firstDay: 0, // The first day of the week, Sun = 0, Mon = 1, ...
		isRTL: false, // True if right-to-left language, false if left-to-right
		showMonthAfterYear: false, // True if the year select precedes month, false for month then year
		yearSuffix: "" // Additional text to append to the year in the month headers
	};
	this._defaults = { // Global defaults for all the date picker instances
		showOn: "focus", // "focus" for popup on focus,
			// "button" for trigger button, or "both" for either
		showAnim: "fadeIn", // Name of jQuery animation for popup
		showOptions: {}, // Options for enhanced animations
		defaultDate: null, // Used when field is blank: actual date,
			// +/-number for offset from today, null for today
		appendText: "", // Display text following the input box, e.g. showing the format
		buttonText: "...", // Text for trigger button
		buttonImage: "", // URL for trigger button image
		buttonImageOnly: false, // True if the image appears alone, false if it appears on a button
		hideIfNoPrevNext: false, // True to hide next/previous month links
			// if not applicable, false to just disable them
		navigationAsDateFormat: false, // True if date formatting applied to prev/today/next links
		gotoCurrent: false, // True if today link goes back to current selection instead
		changeMonth: false, // True if month can be selected directly, false if only prev/next
		changeYear: false, // True if year can be selected directly, false if only prev/next
		yearRange: "c-10:c+10", // Range of years to display in drop-down,
			// either relative to today's year (-nn:+nn), relative to currently displayed year
			// (c-nn:c+nn), absolute (nnnn:nnnn), or a combination of the above (nnnn:-n)
		showOtherMonths: false, // True to show dates in other months, false to leave blank
		selectOtherMonths: false, // True to allow selection of dates in other months, false for unselectable
		showWeek: false, // True to show week of the year, false to not show it
		calculateWeek: this.iso8601Week, // How to calculate the week of the year,
			// takes a Date and returns the number of the week for it
		shortYearCutoff: "+10", // Short year values < this are in the current century,
			// > this are in the previous century,
			// string value starting with "+" for current year + value
		minDate: null, // The earliest selectable date, or null for no limit
		maxDate: null, // The latest selectable date, or null for no limit
		duration: "fast", // Duration of display/closure
		beforeShowDay: null, // Function that takes a date and returns an array with
			// [0] = true if selectable, false if not, [1] = custom CSS class name(s) or "",
			// [2] = cell title (optional), e.g. $.datepicker.noWeekends
		beforeShow: null, // Function that takes an input field and
			// returns a set of custom settings for the date picker
		onSelect: null, // Define a callback function when a date is selected
		onChangeMonthYear: null, // Define a callback function when the month or year is changed
		onClose: null, // Define a callback function when the datepicker is closed
		numberOfMonths: 1, // Number of months to show at a time
		showCurrentAtPos: 0, // The position in multipe months at which to show the current month (starting at 0)
		stepMonths: 1, // Number of months to step back/forward
		stepBigMonths: 12, // Number of months to step back/forward for the big links
		altField: "", // Selector for an alternate field to store selected dates into
		altFormat: "", // The date format to use for the alternate field
		constrainInput: true, // The input is constrained by the current date format
		showButtonPanel: false, // True to show button panel, false to not show it
		autoSize: false, // True to size the input for the date format, false to leave as is
		disabled: false // The initial disabled state
	};
	$.extend(this._defaults, this.regional[""]);
	this.dpDiv = bindHover($("<div id='" + this._mainDivId + "' class='ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all'></div>"));
}

$.extend(Datepicker.prototype, {
	/* Class name added to elements to indicate already configured with a date picker. */
	markerClassName: "hasDatepicker",

	//Keep track of the maximum number of rows displayed (see #7043)
	maxRows: 4,

	// TODO rename to "widget" when switching to widget factory
	_widgetDatepicker: function() {
		return this.dpDiv;
	},

	/* Override the default settings for all instances of the date picker.
	 * @param  settings  object - the new settings to use as defaults (anonymous object)
	 * @return the manager object
	 */
	setDefaults: function(settings) {
		extendRemove(this._defaults, settings || {});
		return this;
	},

	/* Attach the date picker to a jQuery selection.
	 * @param  target	element - the target input field or division or span
	 * @param  settings  object - the new settings to use for this date picker instance (anonymous)
	 */
	_attachDatepicker: function(target, settings) {
		var nodeName, inline, inst;
		nodeName = target.nodeName.toLowerCase();
		inline = (nodeName === "div" || nodeName === "span");
		if (!target.id) {
			this.uuid += 1;
			target.id = "dp" + this.uuid;
		}
		inst = this._newInst($(target), inline);
		inst.settings = $.extend({}, settings || {});
		if (nodeName === "input") {
			this._connectDatepicker(target, inst);
		} else if (inline) {
			this._inlineDatepicker(target, inst);
		}
	},

	/* Create a new instance object. */
	_newInst: function(target, inline) {
		var id = target[0].id.replace(/([^A-Za-z0-9_\-])/g, "\\\\$1"); // escape jQuery meta chars
		return {id: id, input: target, // associated target
			selectedDay: 0, selectedMonth: 0, selectedYear: 0, // current selection
			drawMonth: 0, drawYear: 0, // month being drawn
			inline: inline, // is datepicker inline or not
			dpDiv: (!inline ? this.dpDiv : // presentation div
			bindHover($("<div class='" + this._inlineClass + " ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all'></div>")))};
	},

	/* Attach the date picker to an input field. */
	_connectDatepicker: function(target, inst) {
		var input = $(target);
		inst.append = $([]);
		inst.trigger = $([]);
		if (input.hasClass(this.markerClassName)) {
			return;
		}
		this._attachments(input, inst);
		input.addClass(this.markerClassName).keydown(this._doKeyDown).
			keypress(this._doKeyPress).keyup(this._doKeyUp);
		this._autoSize(inst);
		$.data(target, PROP_NAME, inst);
		//If disabled option is true, disable the datepicker once it has been attached to the input (see ticket #5665)
		if( inst.settings.disabled ) {
			this._disableDatepicker( target );
		}
	},

	/* Make attachments based on settings. */
	_attachments: function(input, inst) {
		var showOn, buttonText, buttonImage,
			appendText = this._get(inst, "appendText"),
			isRTL = this._get(inst, "isRTL");

		if (inst.append) {
			inst.append.remove();
		}
		if (appendText) {
			inst.append = $("<span class='" + this._appendClass + "'>" + appendText + "</span>");
			input[isRTL ? "before" : "after"](inst.append);
		}

		input.unbind("focus", this._showDatepicker);

		if (inst.trigger) {
			inst.trigger.remove();
		}

		showOn = this._get(inst, "showOn");
		if (showOn === "focus" || showOn === "both") { // pop-up date picker when in the marked field
			input.focus(this._showDatepicker);
		}
		if (showOn === "button" || showOn === "both") { // pop-up date picker when button clicked
			buttonText = this._get(inst, "buttonText");
			buttonImage = this._get(inst, "buttonImage");
			inst.trigger = $(this._get(inst, "buttonImageOnly") ?
				$("<img/>").addClass(this._triggerClass).
					attr({ src: buttonImage, alt: buttonText, title: buttonText }) :
				$("<button type='button'></button>").addClass(this._triggerClass).
					html(!buttonImage ? buttonText : $("<img/>").attr(
					{ src:buttonImage, alt:buttonText, title:buttonText })));
			input[isRTL ? "before" : "after"](inst.trigger);
			inst.trigger.click(function() {
				if ($.datepicker._datepickerShowing && $.datepicker._lastInput === input[0]) {
					$.datepicker._hideDatepicker();
				} else if ($.datepicker._datepickerShowing && $.datepicker._lastInput !== input[0]) {
					$.datepicker._hideDatepicker();
					$.datepicker._showDatepicker(input[0]);
				} else {
					$.datepicker._showDatepicker(input[0]);
				}
				return false;
			});
		}
	},

	/* Apply the maximum length for the date format. */
	_autoSize: function(inst) {
		if (this._get(inst, "autoSize") && !inst.inline) {
			var findMax, max, maxI, i,
				date = new Date(2009, 12 - 1, 20), // Ensure double digits
				dateFormat = this._get(inst, "dateFormat");

			if (dateFormat.match(/[DM]/)) {
				findMax = function(names) {
					max = 0;
					maxI = 0;
					for (i = 0; i < names.length; i++) {
						if (names[i].length > max) {
							max = names[i].length;
							maxI = i;
						}
					}
					return maxI;
				};
				date.setMonth(findMax(this._get(inst, (dateFormat.match(/MM/) ?
					"monthNames" : "monthNamesShort"))));
				date.setDate(findMax(this._get(inst, (dateFormat.match(/DD/) ?
					"dayNames" : "dayNamesShort"))) + 20 - date.getDay());
			}
			inst.input.attr("size", this._formatDate(inst, date).length);
		}
	},

	/* Attach an inline date picker to a div. */
	_inlineDatepicker: function(target, inst) {
		var divSpan = $(target);
		if (divSpan.hasClass(this.markerClassName)) {
			return;
		}
		divSpan.addClass(this.markerClassName).append(inst.dpDiv);
		$.data(target, PROP_NAME, inst);
		this._setDate(inst, this._getDefaultDate(inst), true);
		this._updateDatepicker(inst);
		this._updateAlternate(inst);
		//If disabled option is true, disable the datepicker before showing it (see ticket #5665)
		if( inst.settings.disabled ) {
			this._disableDatepicker( target );
		}
		// Set display:block in place of inst.dpDiv.show() which won't work on disconnected elements
		// http://bugs.jqueryui.com/ticket/7552 - A Datepicker created on a detached div has zero height
		inst.dpDiv.css( "display", "block" );
	},

	/* Pop-up the date picker in a "dialog" box.
	 * @param  input element - ignored
	 * @param  date	string or Date - the initial date to display
	 * @param  onSelect  function - the function to call when a date is selected
	 * @param  settings  object - update the dialog date picker instance's settings (anonymous object)
	 * @param  pos int[2] - coordinates for the dialog's position within the screen or
	 *					event - with x/y coordinates or
	 *					leave empty for default (screen centre)
	 * @return the manager object
	 */
	_dialogDatepicker: function(input, date, onSelect, settings, pos) {
		var id, browserWidth, browserHeight, scrollX, scrollY,
			inst = this._dialogInst; // internal instance

		if (!inst) {
			this.uuid += 1;
			id = "dp" + this.uuid;
			this._dialogInput = $("<input type='text' id='" + id +
				"' style='position: absolute; top: -100px; width: 0px;'/>");
			this._dialogInput.keydown(this._doKeyDown);
			$("body").append(this._dialogInput);
			inst = this._dialogInst = this._newInst(this._dialogInput, false);
			inst.settings = {};
			$.data(this._dialogInput[0], PROP_NAME, inst);
		}
		extendRemove(inst.settings, settings || {});
		date = (date && date.constructor === Date ? this._formatDate(inst, date) : date);
		this._dialogInput.val(date);

		this._pos = (pos ? (pos.length ? pos : [pos.pageX, pos.pageY]) : null);
		if (!this._pos) {
			browserWidth = document.documentElement.clientWidth;
			browserHeight = document.documentElement.clientHeight;
			scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
			scrollY = document.documentElement.scrollTop || document.body.scrollTop;
			this._pos = // should use actual width/height below
				[(browserWidth / 2) - 100 + scrollX, (browserHeight / 2) - 150 + scrollY];
		}

		// move input on screen for focus, but hidden behind dialog
		this._dialogInput.css("left", (this._pos[0] + 20) + "px").css("top", this._pos[1] + "px");
		inst.settings.onSelect = onSelect;
		this._inDialog = true;
		this.dpDiv.addClass(this._dialogClass);
		this._showDatepicker(this._dialogInput[0]);
		if ($.blockUI) {
			$.blockUI(this.dpDiv);
		}
		$.data(this._dialogInput[0], PROP_NAME, inst);
		return this;
	},

	/* Detach a datepicker from its control.
	 * @param  target	element - the target input field or division or span
	 */
	_destroyDatepicker: function(target) {
		var nodeName,
			$target = $(target),
			inst = $.data(target, PROP_NAME);

		if (!$target.hasClass(this.markerClassName)) {
			return;
		}

		nodeName = target.nodeName.toLowerCase();
		$.removeData(target, PROP_NAME);
		if (nodeName === "input") {
			inst.append.remove();
			inst.trigger.remove();
			$target.removeClass(this.markerClassName).
				unbind("focus", this._showDatepicker).
				unbind("keydown", this._doKeyDown).
				unbind("keypress", this._doKeyPress).
				unbind("keyup", this._doKeyUp);
		} else if (nodeName === "div" || nodeName === "span") {
			$target.removeClass(this.markerClassName).empty();
		}
	},

	/* Enable the date picker to a jQuery selection.
	 * @param  target	element - the target input field or division or span
	 */
	_enableDatepicker: function(target) {
		var nodeName, inline,
			$target = $(target),
			inst = $.data(target, PROP_NAME);

		if (!$target.hasClass(this.markerClassName)) {
			return;
		}

		nodeName = target.nodeName.toLowerCase();
		if (nodeName === "input") {
			target.disabled = false;
			inst.trigger.filter("button").
				each(function() { this.disabled = false; }).end().
				filter("img").css({opacity: "1.0", cursor: ""});
		} else if (nodeName === "div" || nodeName === "span") {
			inline = $target.children("." + this._inlineClass);
			inline.children().removeClass("ui-state-disabled");
			inline.find("select.ui-datepicker-month, select.ui-datepicker-year").
				prop("disabled", false);
		}
		this._disabledInputs = $.map(this._disabledInputs,
			function(value) { return (value === target ? null : value); }); // delete entry
	},

	/* Disable the date picker to a jQuery selection.
	 * @param  target	element - the target input field or division or span
	 */
	_disableDatepicker: function(target) {
		var nodeName, inline,
			$target = $(target),
			inst = $.data(target, PROP_NAME);

		if (!$target.hasClass(this.markerClassName)) {
			return;
		}

		nodeName = target.nodeName.toLowerCase();
		if (nodeName === "input") {
			target.disabled = true;
			inst.trigger.filter("button").
				each(function() { this.disabled = true; }).end().
				filter("img").css({opacity: "0.5", cursor: "default"});
		} else if (nodeName === "div" || nodeName === "span") {
			inline = $target.children("." + this._inlineClass);
			inline.children().addClass("ui-state-disabled");
			inline.find("select.ui-datepicker-month, select.ui-datepicker-year").
				prop("disabled", true);
		}
		this._disabledInputs = $.map(this._disabledInputs,
			function(value) { return (value === target ? null : value); }); // delete entry
		this._disabledInputs[this._disabledInputs.length] = target;
	},

	/* Is the first field in a jQuery collection disabled as a datepicker?
	 * @param  target	element - the target input field or division or span
	 * @return boolean - true if disabled, false if enabled
	 */
	_isDisabledDatepicker: function(target) {
		if (!target) {
			return false;
		}
		for (var i = 0; i < this._disabledInputs.length; i++) {
			if (this._disabledInputs[i] === target) {
				return true;
			}
		}
		return false;
	},

	/* Retrieve the instance data for the target control.
	 * @param  target  element - the target input field or division or span
	 * @return  object - the associated instance data
	 * @throws  error if a jQuery problem getting data
	 */
	_getInst: function(target) {
		try {
			return $.data(target, PROP_NAME);
		}
		catch (err) {
			throw "Missing instance data for this datepicker";
		}
	},

	/* Update or retrieve the settings for a date picker attached to an input field or division.
	 * @param  target  element - the target input field or division or span
	 * @param  name	object - the new settings to update or
	 *				string - the name of the setting to change or retrieve,
	 *				when retrieving also "all" for all instance settings or
	 *				"defaults" for all global defaults
	 * @param  value   any - the new value for the setting
	 *				(omit if above is an object or to retrieve a value)
	 */
	_optionDatepicker: function(target, name, value) {
		var settings, date, minDate, maxDate,
			inst = this._getInst(target);

		if (arguments.length === 2 && typeof name === "string") {
			return (name === "defaults" ? $.extend({}, $.datepicker._defaults) :
				(inst ? (name === "all" ? $.extend({}, inst.settings) :
				this._get(inst, name)) : null));
		}

		settings = name || {};
		if (typeof name === "string") {
			settings = {};
			settings[name] = value;
		}

		if (inst) {
			if (this._curInst === inst) {
				this._hideDatepicker();
			}

			date = this._getDateDatepicker(target, true);
			minDate = this._getMinMaxDate(inst, "min");
			maxDate = this._getMinMaxDate(inst, "max");
			extendRemove(inst.settings, settings);
			// reformat the old minDate/maxDate values if dateFormat changes and a new minDate/maxDate isn't provided
			if (minDate !== null && settings.dateFormat !== undefined && settings.minDate === undefined) {
				inst.settings.minDate = this._formatDate(inst, minDate);
			}
			if (maxDate !== null && settings.dateFormat !== undefined && settings.maxDate === undefined) {
				inst.settings.maxDate = this._formatDate(inst, maxDate);
			}
			if ( "disabled" in settings ) {
				if ( settings.disabled ) {
					this._disableDatepicker(target);
				} else {
					this._enableDatepicker(target);
				}
			}
			this._attachments($(target), inst);
			this._autoSize(inst);
			this._setDate(inst, date);
			this._updateAlternate(inst);
			this._updateDatepicker(inst);
		}
	},

	// change method deprecated
	_changeDatepicker: function(target, name, value) {
		this._optionDatepicker(target, name, value);
	},

	/* Redraw the date picker attached to an input field or division.
	 * @param  target  element - the target input field or division or span
	 */
	_refreshDatepicker: function(target) {
		var inst = this._getInst(target);
		if (inst) {
			this._updateDatepicker(inst);
		}
	},

	/* Set the dates for a jQuery selection.
	 * @param  target element - the target input field or division or span
	 * @param  date	Date - the new date
	 */
	_setDateDatepicker: function(target, date) {
		var inst = this._getInst(target);
		if (inst) {
			this._setDate(inst, date);
			this._updateDatepicker(inst);
			this._updateAlternate(inst);
		}
	},

	/* Get the date(s) for the first entry in a jQuery selection.
	 * @param  target element - the target input field or division or span
	 * @param  noDefault boolean - true if no default date is to be used
	 * @return Date - the current date
	 */
	_getDateDatepicker: function(target, noDefault) {
		var inst = this._getInst(target);
		if (inst && !inst.inline) {
			this._setDateFromField(inst, noDefault);
		}
		return (inst ? this._getDate(inst) : null);
	},

	/* Handle keystrokes. */
	_doKeyDown: function(event) {
		var onSelect, dateStr, sel,
			inst = $.datepicker._getInst(event.target),
			handled = true,
			isRTL = inst.dpDiv.is(".ui-datepicker-rtl");

		inst._keyEvent = true;
		if ($.datepicker._datepickerShowing) {
			switch (event.keyCode) {
				case 9: $.datepicker._hideDatepicker();
						handled = false;
						break; // hide on tab out
				case 13: sel = $("td." + $.datepicker._dayOverClass + ":not(." +
									$.datepicker._currentClass + ")", inst.dpDiv);
						if (sel[0]) {
							$.datepicker._selectDay(event.target, inst.selectedMonth, inst.selectedYear, sel[0]);
						}

						onSelect = $.datepicker._get(inst, "onSelect");
						if (onSelect) {
							dateStr = $.datepicker._formatDate(inst);

							// trigger custom callback
							onSelect.apply((inst.input ? inst.input[0] : null), [dateStr, inst]);
						} else {
							$.datepicker._hideDatepicker();
						}

						return false; // don't submit the form
				case 27: $.datepicker._hideDatepicker();
						break; // hide on escape
				case 33: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
							-$.datepicker._get(inst, "stepBigMonths") :
							-$.datepicker._get(inst, "stepMonths")), "M");
						break; // previous month/year on page up/+ ctrl
				case 34: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
							+$.datepicker._get(inst, "stepBigMonths") :
							+$.datepicker._get(inst, "stepMonths")), "M");
						break; // next month/year on page down/+ ctrl
				case 35: if (event.ctrlKey || event.metaKey) {
							$.datepicker._clearDate(event.target);
						}
						handled = event.ctrlKey || event.metaKey;
						break; // clear on ctrl or command +end
				case 36: if (event.ctrlKey || event.metaKey) {
							$.datepicker._gotoToday(event.target);
						}
						handled = event.ctrlKey || event.metaKey;
						break; // current on ctrl or command +home
				case 37: if (event.ctrlKey || event.metaKey) {
							$.datepicker._adjustDate(event.target, (isRTL ? +1 : -1), "D");
						}
						handled = event.ctrlKey || event.metaKey;
						// -1 day on ctrl or command +left
						if (event.originalEvent.altKey) {
							$.datepicker._adjustDate(event.target, (event.ctrlKey ?
								-$.datepicker._get(inst, "stepBigMonths") :
								-$.datepicker._get(inst, "stepMonths")), "M");
						}
						// next month/year on alt +left on Mac
						break;
				case 38: if (event.ctrlKey || event.metaKey) {
							$.datepicker._adjustDate(event.target, -7, "D");
						}
						handled = event.ctrlKey || event.metaKey;
						break; // -1 week on ctrl or command +up
				case 39: if (event.ctrlKey || event.metaKey) {
							$.datepicker._adjustDate(event.target, (isRTL ? -1 : +1), "D");
						}
						handled = event.ctrlKey || event.metaKey;
						// +1 day on ctrl or command +right
						if (event.originalEvent.altKey) {
							$.datepicker._adjustDate(event.target, (event.ctrlKey ?
								+$.datepicker._get(inst, "stepBigMonths") :
								+$.datepicker._get(inst, "stepMonths")), "M");
						}
						// next month/year on alt +right
						break;
				case 40: if (event.ctrlKey || event.metaKey) {
							$.datepicker._adjustDate(event.target, +7, "D");
						}
						handled = event.ctrlKey || event.metaKey;
						break; // +1 week on ctrl or command +down
				default: handled = false;
			}
		} else if (event.keyCode === 36 && event.ctrlKey) { // display the date picker on ctrl+home
			$.datepicker._showDatepicker(this);
		} else {
			handled = false;
		}

		if (handled) {
			event.preventDefault();
			event.stopPropagation();
		}
	},

	/* Filter entered characters - based on date format. */
	_doKeyPress: function(event) {
		var chars, chr,
			inst = $.datepicker._getInst(event.target);

		if ($.datepicker._get(inst, "constrainInput")) {
			chars = $.datepicker._possibleChars($.datepicker._get(inst, "dateFormat"));
			chr = String.fromCharCode(event.charCode == null ? event.keyCode : event.charCode);
			return event.ctrlKey || event.metaKey || (chr < " " || !chars || chars.indexOf(chr) > -1);
		}
	},

	/* Synchronise manual entry and field/alternate field. */
	_doKeyUp: function(event) {
		var date,
			inst = $.datepicker._getInst(event.target);

		if (inst.input.val() !== inst.lastVal) {
			try {
				date = $.datepicker.parseDate($.datepicker._get(inst, "dateFormat"),
					(inst.input ? inst.input.val() : null),
					$.datepicker._getFormatConfig(inst));

				if (date) { // only if valid
					$.datepicker._setDateFromField(inst);
					$.datepicker._updateAlternate(inst);
					$.datepicker._updateDatepicker(inst);
				}
			}
			catch (err) {
			}
		}
		return true;
	},

	/* Pop-up the date picker for a given input field.
	 * If false returned from beforeShow event handler do not show.
	 * @param  input  element - the input field attached to the date picker or
	 *					event - if triggered by focus
	 */
	_showDatepicker: function(input) {
		input = input.target || input;
		if (input.nodeName.toLowerCase() !== "input") { // find from button/image trigger
			input = $("input", input.parentNode)[0];
		}

		if ($.datepicker._isDisabledDatepicker(input) || $.datepicker._lastInput === input) { // already here
			return;
		}

		var inst, beforeShow, beforeShowSettings, isFixed,
			offset, showAnim, duration;

		inst = $.datepicker._getInst(input);
		if ($.datepicker._curInst && $.datepicker._curInst !== inst) {
			$.datepicker._curInst.dpDiv.stop(true, true);
			if ( inst && $.datepicker._datepickerShowing ) {
				$.datepicker._hideDatepicker( $.datepicker._curInst.input[0] );
			}
		}

		beforeShow = $.datepicker._get(inst, "beforeShow");
		beforeShowSettings = beforeShow ? beforeShow.apply(input, [input, inst]) : {};
		if(beforeShowSettings === false){
			return;
		}
		extendRemove(inst.settings, beforeShowSettings);

		inst.lastVal = null;
		$.datepicker._lastInput = input;
		$.datepicker._setDateFromField(inst);

		if ($.datepicker._inDialog) { // hide cursor
			input.value = "";
		}
		if (!$.datepicker._pos) { // position below input
			$.datepicker._pos = $.datepicker._findPos(input);
			$.datepicker._pos[1] += input.offsetHeight; // add the height
		}

		isFixed = false;
		$(input).parents().each(function() {
			isFixed |= $(this).css("position") === "fixed";
			return !isFixed;
		});

		offset = {left: $.datepicker._pos[0], top: $.datepicker._pos[1]};
		$.datepicker._pos = null;
		//to avoid flashes on Firefox
		inst.dpDiv.empty();
		// determine sizing offscreen
		inst.dpDiv.css({position: "absolute", display: "block", top: "-1000px"});
		$.datepicker._updateDatepicker(inst);
		// fix width for dynamic number of date pickers
		// and adjust position before showing
		offset = $.datepicker._checkOffset(inst, offset, isFixed);
		inst.dpDiv.css({position: ($.datepicker._inDialog && $.blockUI ?
			"static" : (isFixed ? "fixed" : "absolute")), display: "none",
			left: offset.left + "px", top: offset.top + "px"});

		if (!inst.inline) {
			showAnim = $.datepicker._get(inst, "showAnim");
			duration = $.datepicker._get(inst, "duration");
			inst.dpDiv.zIndex($(input).zIndex()+1);
			$.datepicker._datepickerShowing = true;

			if ( $.effects && $.effects.effect[ showAnim ] ) {
				inst.dpDiv.show(showAnim, $.datepicker._get(inst, "showOptions"), duration);
			} else {
				inst.dpDiv[showAnim || "show"](showAnim ? duration : null);
			}

			if (inst.input.is(":visible") && !inst.input.is(":disabled")) {
				inst.input.focus();
			}
			$.datepicker._curInst = inst;
		}
	},

	/* Generate the date picker content. */
	_updateDatepicker: function(inst) {
		this.maxRows = 4; //Reset the max number of rows being displayed (see #7043)
		instActive = inst; // for delegate hover events
		inst.dpDiv.empty().append(this._generateHTML(inst));
		this._attachHandlers(inst);
		inst.dpDiv.find("." + this._dayOverClass + " a").mouseover();

		var origyearshtml,
			numMonths = this._getNumberOfMonths(inst),
			cols = numMonths[1],
			width = 17;

		inst.dpDiv.removeClass("ui-datepicker-multi-2 ui-datepicker-multi-3 ui-datepicker-multi-4").width("");
		if (cols > 1) {
			inst.dpDiv.addClass("ui-datepicker-multi-" + cols).css("width", (width * cols) + "em");
		}
		inst.dpDiv[(numMonths[0] !== 1 || numMonths[1] !== 1 ? "add" : "remove") +
			"Class"]("ui-datepicker-multi");
		inst.dpDiv[(this._get(inst, "isRTL") ? "add" : "remove") +
			"Class"]("ui-datepicker-rtl");

		// #6694 - don't focus the input if it's already focused
		// this breaks the change event in IE
		if (inst === $.datepicker._curInst && $.datepicker._datepickerShowing && inst.input &&
			inst.input.is(":visible") && !inst.input.is(":disabled") && inst.input[0] !== document.activeElement) {
			inst.input.focus();
		}

		// deffered render of the years select (to avoid flashes on Firefox)
		if( inst.yearshtml ){
			origyearshtml = inst.yearshtml;
			setTimeout(function(){
				//assure that inst.yearshtml didn't change.
				if( origyearshtml === inst.yearshtml && inst.yearshtml ){
					inst.dpDiv.find("select.ui-datepicker-year:first").replaceWith(inst.yearshtml);
				}
				origyearshtml = inst.yearshtml = null;
			}, 0);
		}
	},

	/* Retrieve the size of left and top borders for an element.
	 * @param  elem  (jQuery object) the element of interest
	 * @return  (number[2]) the left and top borders
	 */
	_getBorders: function(elem) {
		var convert = function(value) {
			return {thin: 1, medium: 2, thick: 3}[value] || value;
		};
		return [parseFloat(convert(elem.css("border-left-width"))),
			parseFloat(convert(elem.css("border-top-width")))];
	},

	/* Check positioning to remain on screen. */
	_checkOffset: function(inst, offset, isFixed) {
		var dpWidth = inst.dpDiv.outerWidth(),
			dpHeight = inst.dpDiv.outerHeight(),
			inputWidth = inst.input ? inst.input.outerWidth() : 0,
			inputHeight = inst.input ? inst.input.outerHeight() : 0,
			viewWidth = document.documentElement.clientWidth + (isFixed ? 0 : $(document).scrollLeft()),
			viewHeight = document.documentElement.clientHeight + (isFixed ? 0 : $(document).scrollTop());

		offset.left -= (this._get(inst, "isRTL") ? (dpWidth - inputWidth) : 0);
		offset.left -= (isFixed && offset.left === inst.input.offset().left) ? $(document).scrollLeft() : 0;
		offset.top -= (isFixed && offset.top === (inst.input.offset().top + inputHeight)) ? $(document).scrollTop() : 0;

		// now check if datepicker is showing outside window viewport - move to a better place if so.
		offset.left -= Math.min(offset.left, (offset.left + dpWidth > viewWidth && viewWidth > dpWidth) ?
			Math.abs(offset.left + dpWidth - viewWidth) : 0);
		offset.top -= Math.min(offset.top, (offset.top + dpHeight > viewHeight && viewHeight > dpHeight) ?
			Math.abs(dpHeight + inputHeight) : 0);

		return offset;
	},

	/* Find an object's position on the screen. */
	_findPos: function(obj) {
		var position,
			inst = this._getInst(obj),
			isRTL = this._get(inst, "isRTL");

		while (obj && (obj.type === "hidden" || obj.nodeType !== 1 || $.expr.filters.hidden(obj))) {
			obj = obj[isRTL ? "previousSibling" : "nextSibling"];
		}

		position = $(obj).offset();
		return [position.left, position.top];
	},

	/* Hide the date picker from view.
	 * @param  input  element - the input field attached to the date picker
	 */
	_hideDatepicker: function(input) {
		var showAnim, duration, postProcess, onClose,
			inst = this._curInst;

		if (!inst || (input && inst !== $.data(input, PROP_NAME))) {
			return;
		}

		if (this._datepickerShowing) {
			showAnim = this._get(inst, "showAnim");
			duration = this._get(inst, "duration");
			postProcess = function() {
				$.datepicker._tidyDialog(inst);
			};

			// DEPRECATED: after BC for 1.8.x $.effects[ showAnim ] is not needed
			if ( $.effects && ( $.effects.effect[ showAnim ] || $.effects[ showAnim ] ) ) {
				inst.dpDiv.hide(showAnim, $.datepicker._get(inst, "showOptions"), duration, postProcess);
			} else {
				inst.dpDiv[(showAnim === "slideDown" ? "slideUp" :
					(showAnim === "fadeIn" ? "fadeOut" : "hide"))]((showAnim ? duration : null), postProcess);
			}

			if (!showAnim) {
				postProcess();
			}
			this._datepickerShowing = false;

			onClose = this._get(inst, "onClose");
			if (onClose) {
				onClose.apply((inst.input ? inst.input[0] : null), [(inst.input ? inst.input.val() : ""), inst]);
			}

			this._lastInput = null;
			if (this._inDialog) {
				this._dialogInput.css({ position: "absolute", left: "0", top: "-100px" });
				if ($.blockUI) {
					$.unblockUI();
					$("body").append(this.dpDiv);
				}
			}
			this._inDialog = false;
		}
	},

	/* Tidy up after a dialog display. */
	_tidyDialog: function(inst) {
		inst.dpDiv.removeClass(this._dialogClass).unbind(".ui-datepicker-calendar");
	},

	/* Close date picker if clicked elsewhere. */
	_checkExternalClick: function(event) {
		if (!$.datepicker._curInst) {
			return;
		}

		var $target = $(event.target),
			inst = $.datepicker._getInst($target[0]);

		if ( ( ( $target[0].id !== $.datepicker._mainDivId &&
				$target.parents("#" + $.datepicker._mainDivId).length === 0 &&
				!$target.hasClass($.datepicker.markerClassName) &&
				!$target.closest("." + $.datepicker._triggerClass).length &&
				$.datepicker._datepickerShowing && !($.datepicker._inDialog && $.blockUI) ) ) ||
			( $target.hasClass($.datepicker.markerClassName) && $.datepicker._curInst !== inst ) ) {
				$.datepicker._hideDatepicker();
		}
	},

	/* Adjust one of the date sub-fields. */
	_adjustDate: function(id, offset, period) {
		var target = $(id),
			inst = this._getInst(target[0]);

		if (this._isDisabledDatepicker(target[0])) {
			return;
		}
		this._adjustInstDate(inst, offset +
			(period === "M" ? this._get(inst, "showCurrentAtPos") : 0), // undo positioning
			period);
		this._updateDatepicker(inst);
	},

	/* Action for current link. */
	_gotoToday: function(id) {
		var date,
			target = $(id),
			inst = this._getInst(target[0]);

		if (this._get(inst, "gotoCurrent") && inst.currentDay) {
			inst.selectedDay = inst.currentDay;
			inst.drawMonth = inst.selectedMonth = inst.currentMonth;
			inst.drawYear = inst.selectedYear = inst.currentYear;
		} else {
			date = new Date();
			inst.selectedDay = date.getDate();
			inst.drawMonth = inst.selectedMonth = date.getMonth();
			inst.drawYear = inst.selectedYear = date.getFullYear();
		}
		this._notifyChange(inst);
		this._adjustDate(target);
	},

	/* Action for selecting a new month/year. */
	_selectMonthYear: function(id, select, period) {
		var target = $(id),
			inst = this._getInst(target[0]);

		inst["selected" + (period === "M" ? "Month" : "Year")] =
		inst["draw" + (period === "M" ? "Month" : "Year")] =
			parseInt(select.options[select.selectedIndex].value,10);

		this._notifyChange(inst);
		this._adjustDate(target);
	},

	/* Action for selecting a day. */
	_selectDay: function(id, month, year, td) {
		var inst,
			target = $(id);

		if ($(td).hasClass(this._unselectableClass) || this._isDisabledDatepicker(target[0])) {
			return;
		}

		inst = this._getInst(target[0]);
		inst.selectedDay = inst.currentDay = $("a", td).html();
		inst.selectedMonth = inst.currentMonth = month;
		inst.selectedYear = inst.currentYear = year;
		this._selectDate(id, this._formatDate(inst,
			inst.currentDay, inst.currentMonth, inst.currentYear));
	},

	/* Erase the input field and hide the date picker. */
	_clearDate: function(id) {
		var target = $(id);
		this._selectDate(target, "");
	},

	/* Update the input field with the selected date. */
	_selectDate: function(id, dateStr) {
		var onSelect,
			target = $(id),
			inst = this._getInst(target[0]);

		dateStr = (dateStr != null ? dateStr : this._formatDate(inst));
		if (inst.input) {
			inst.input.val(dateStr);
		}
		this._updateAlternate(inst);

		onSelect = this._get(inst, "onSelect");
		if (onSelect) {
			onSelect.apply((inst.input ? inst.input[0] : null), [dateStr, inst]);  // trigger custom callback
		} else if (inst.input) {
			inst.input.trigger("change"); // fire the change event
		}

		if (inst.inline){
			this._updateDatepicker(inst);
		} else {
			this._hideDatepicker();
			this._lastInput = inst.input[0];
			if (typeof(inst.input[0]) !== "object") {
				inst.input.focus(); // restore focus
			}
			this._lastInput = null;
		}
	},

	/* Update any alternate field to synchronise with the main field. */
	_updateAlternate: function(inst) {
		var altFormat, date, dateStr,
			altField = this._get(inst, "altField");

		if (altField) { // update alternate field too
			altFormat = this._get(inst, "altFormat") || this._get(inst, "dateFormat");
			date = this._getDate(inst);
			dateStr = this.formatDate(altFormat, date, this._getFormatConfig(inst));
			$(altField).each(function() { $(this).val(dateStr); });
		}
	},

	/* Set as beforeShowDay function to prevent selection of weekends.
	 * @param  date  Date - the date to customise
	 * @return [boolean, string] - is this date selectable?, what is its CSS class?
	 */
	noWeekends: function(date) {
		var day = date.getDay();
		return [(day > 0 && day < 6), ""];
	},

	/* Set as calculateWeek to determine the week of the year based on the ISO 8601 definition.
	 * @param  date  Date - the date to get the week for
	 * @return  number - the number of the week within the year that contains this date
	 */
	iso8601Week: function(date) {
		var time,
			checkDate = new Date(date.getTime());

		// Find Thursday of this week starting on Monday
		checkDate.setDate(checkDate.getDate() + 4 - (checkDate.getDay() || 7));

		time = checkDate.getTime();
		checkDate.setMonth(0); // Compare with Jan 1
		checkDate.setDate(1);
		return Math.floor(Math.round((time - checkDate) / 86400000) / 7) + 1;
	},

	/* Parse a string value into a date object.
	 * See formatDate below for the possible formats.
	 *
	 * @param  format string - the expected format of the date
	 * @param  value string - the date in the above format
	 * @param  settings Object - attributes include:
	 *					shortYearCutoff  number - the cutoff year for determining the century (optional)
	 *					dayNamesShort	string[7] - abbreviated names of the days from Sunday (optional)
	 *					dayNames		string[7] - names of the days from Sunday (optional)
	 *					monthNamesShort string[12] - abbreviated names of the months (optional)
	 *					monthNames		string[12] - names of the months (optional)
	 * @return  Date - the extracted date value or null if value is blank
	 */
	parseDate: function (format, value, settings) {
		if (format == null || value == null) {
			throw "Invalid arguments";
		}

		value = (typeof value === "object" ? value.toString() : value + "");
		if (value === "") {
			return null;
		}

		var iFormat, dim, extra,
			iValue = 0,
			shortYearCutoffTemp = (settings ? settings.shortYearCutoff : null) || this._defaults.shortYearCutoff,
			shortYearCutoff = (typeof shortYearCutoffTemp !== "string" ? shortYearCutoffTemp :
				new Date().getFullYear() % 100 + parseInt(shortYearCutoffTemp, 10)),
			dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort,
			dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames,
			monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort,
			monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames,
			year = -1,
			month = -1,
			day = -1,
			doy = -1,
			literal = false,
			date,
			// Check whether a format character is doubled
			lookAhead = function(match) {
				var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) === match);
				if (matches) {
					iFormat++;
				}
				return matches;
			},
			// Extract a number from the string value
			getNumber = function(match) {
				var isDoubled = lookAhead(match),
					size = (match === "@" ? 14 : (match === "!" ? 20 :
					(match === "y" && isDoubled ? 4 : (match === "o" ? 3 : 2)))),
					digits = new RegExp("^\\d{1," + size + "}"),
					num = value.substring(iValue).match(digits);
				if (!num) {
					throw "Missing number at position " + iValue;
				}
				iValue += num[0].length;
				return parseInt(num[0], 10);
			},
			// Extract a name from the string value and convert to an index
			getName = function(match, shortNames, longNames) {
				var index = -1,
					names = $.map(lookAhead(match) ? longNames : shortNames, function (v, k) {
						return [ [k, v] ];
					}).sort(function (a, b) {
						return -(a[1].length - b[1].length);
					});

				$.each(names, function (i, pair) {
					var name = pair[1];
					if (value.substr(iValue, name.length).toLowerCase() === name.toLowerCase()) {
						index = pair[0];
						iValue += name.length;
						return false;
					}
				});
				if (index !== -1) {
					return index + 1;
				} else {
					throw "Unknown name at position " + iValue;
				}
			},
			// Confirm that a literal character matches the string value
			checkLiteral = function() {
				if (value.charAt(iValue) !== format.charAt(iFormat)) {
					throw "Unexpected literal at position " + iValue;
				}
				iValue++;
			};

		for (iFormat = 0; iFormat < format.length; iFormat++) {
			if (literal) {
				if (format.charAt(iFormat) === "'" && !lookAhead("'")) {
					literal = false;
				} else {
					checkLiteral();
				}
			} else {
				switch (format.charAt(iFormat)) {
					case "d":
						day = getNumber("d");
						break;
					case "D":
						getName("D", dayNamesShort, dayNames);
						break;
					case "o":
						doy = getNumber("o");
						break;
					case "m":
						month = getNumber("m");
						break;
					case "M":
						month = getName("M", monthNamesShort, monthNames);
						break;
					case "y":
						year = getNumber("y");
						break;
					case "@":
						date = new Date(getNumber("@"));
						year = date.getFullYear();
						month = date.getMonth() + 1;
						day = date.getDate();
						break;
					case "!":
						date = new Date((getNumber("!") - this._ticksTo1970) / 10000);
						year = date.getFullYear();
						month = date.getMonth() + 1;
						day = date.getDate();
						break;
					case "'":
						if (lookAhead("'")){
							checkLiteral();
						} else {
							literal = true;
						}
						break;
					default:
						checkLiteral();
				}
			}
		}

		if (iValue < value.length){
			extra = value.substr(iValue);
			if (!/^\s+/.test(extra)) {
				throw "Extra/unparsed characters found in date: " + extra;
			}
		}

		if (year === -1) {
			year = new Date().getFullYear();
		} else if (year < 100) {
			year += new Date().getFullYear() - new Date().getFullYear() % 100 +
				(year <= shortYearCutoff ? 0 : -100);
		}

		if (doy > -1) {
			month = 1;
			day = doy;
			do {
				dim = this._getDaysInMonth(year, month - 1);
				if (day <= dim) {
					break;
				}
				month++;
				day -= dim;
			} while (true);
		}

		date = this._daylightSavingAdjust(new Date(year, month - 1, day));
		if (date.getFullYear() !== year || date.getMonth() + 1 !== month || date.getDate() !== day) {
			throw "Invalid date"; // E.g. 31/02/00
		}
		return date;
	},

	/* Standard date formats. */
	ATOM: "yy-mm-dd", // RFC 3339 (ISO 8601)
	COOKIE: "D, dd M yy",
	ISO_8601: "yy-mm-dd",
	RFC_822: "D, d M y",
	RFC_850: "DD, dd-M-y",
	RFC_1036: "D, d M y",
	RFC_1123: "D, d M yy",
	RFC_2822: "D, d M yy",
	RSS: "D, d M y", // RFC 822
	TICKS: "!",
	TIMESTAMP: "@",
	W3C: "yy-mm-dd", // ISO 8601

	_ticksTo1970: (((1970 - 1) * 365 + Math.floor(1970 / 4) - Math.floor(1970 / 100) +
		Math.floor(1970 / 400)) * 24 * 60 * 60 * 10000000),

	/* Format a date object into a string value.
	 * The format can be combinations of the following:
	 * d  - day of month (no leading zero)
	 * dd - day of month (two digit)
	 * o  - day of year (no leading zeros)
	 * oo - day of year (three digit)
	 * D  - day name short
	 * DD - day name long
	 * m  - month of year (no leading zero)
	 * mm - month of year (two digit)
	 * M  - month name short
	 * MM - month name long
	 * y  - year (two digit)
	 * yy - year (four digit)
	 * @ - Unix timestamp (ms since 01/01/1970)
	 * ! - Windows ticks (100ns since 01/01/0001)
	 * "..." - literal text
	 * '' - single quote
	 *
	 * @param  format string - the desired format of the date
	 * @param  date Date - the date value to format
	 * @param  settings Object - attributes include:
	 *					dayNamesShort	string[7] - abbreviated names of the days from Sunday (optional)
	 *					dayNames		string[7] - names of the days from Sunday (optional)
	 *					monthNamesShort string[12] - abbreviated names of the months (optional)
	 *					monthNames		string[12] - names of the months (optional)
	 * @return  string - the date in the above format
	 */
	formatDate: function (format, date, settings) {
		if (!date) {
			return "";
		}

		var iFormat,
			dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort,
			dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames,
			monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort,
			monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames,
			// Check whether a format character is doubled
			lookAhead = function(match) {
				var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) === match);
				if (matches) {
					iFormat++;
				}
				return matches;
			},
			// Format a number, with leading zero if necessary
			formatNumber = function(match, value, len) {
				var num = "" + value;
				if (lookAhead(match)) {
					while (num.length < len) {
						num = "0" + num;
					}
				}
				return num;
			},
			// Format a name, short or long as requested
			formatName = function(match, value, shortNames, longNames) {
				return (lookAhead(match) ? longNames[value] : shortNames[value]);
			},
			output = "",
			literal = false;

		if (date) {
			for (iFormat = 0; iFormat < format.length; iFormat++) {
				if (literal) {
					if (format.charAt(iFormat) === "'" && !lookAhead("'")) {
						literal = false;
					} else {
						output += format.charAt(iFormat);
					}
				} else {
					switch (format.charAt(iFormat)) {
						case "d":
							output += formatNumber("d", date.getDate(), 2);
							break;
						case "D":
							output += formatName("D", date.getDay(), dayNamesShort, dayNames);
							break;
						case "o":
							output += formatNumber("o",
								Math.round((new Date(date.getFullYear(), date.getMonth(), date.getDate()).getTime() - new Date(date.getFullYear(), 0, 0).getTime()) / 86400000), 3);
							break;
						case "m":
							output += formatNumber("m", date.getMonth() + 1, 2);
							break;
						case "M":
							output += formatName("M", date.getMonth(), monthNamesShort, monthNames);
							break;
						case "y":
							output += (lookAhead("y") ? date.getFullYear() :
								(date.getYear() % 100 < 10 ? "0" : "") + date.getYear() % 100);
							break;
						case "@":
							output += date.getTime();
							break;
						case "!":
							output += date.getTime() * 10000 + this._ticksTo1970;
							break;
						case "'":
							if (lookAhead("'")) {
								output += "'";
							} else {
								literal = true;
							}
							break;
						default:
							output += format.charAt(iFormat);
					}
				}
			}
		}
		return output;
	},

	/* Extract all possible characters from the date format. */
	_possibleChars: function (format) {
		var iFormat,
			chars = "",
			literal = false,
			// Check whether a format character is doubled
			lookAhead = function(match) {
				var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) === match);
				if (matches) {
					iFormat++;
				}
				return matches;
			};

		for (iFormat = 0; iFormat < format.length; iFormat++) {
			if (literal) {
				if (format.charAt(iFormat) === "'" && !lookAhead("'")) {
					literal = false;
				} else {
					chars += format.charAt(iFormat);
				}
			} else {
				switch (format.charAt(iFormat)) {
					case "d": case "m": case "y": case "@":
						chars += "0123456789";
						break;
					case "D": case "M":
						return null; // Accept anything
					case "'":
						if (lookAhead("'")) {
							chars += "'";
						} else {
							literal = true;
						}
						break;
					default:
						chars += format.charAt(iFormat);
				}
			}
		}
		return chars;
	},

	/* Get a setting value, defaulting if necessary. */
	_get: function(inst, name) {
		return inst.settings[name] !== undefined ?
			inst.settings[name] : this._defaults[name];
	},

	/* Parse existing date and initialise date picker. */
	_setDateFromField: function(inst, noDefault) {
		if (inst.input.val() === inst.lastVal) {
			return;
		}

		var dateFormat = this._get(inst, "dateFormat"),
			dates = inst.lastVal = inst.input ? inst.input.val() : null,
			defaultDate = this._getDefaultDate(inst),
			date = defaultDate,
			settings = this._getFormatConfig(inst);

		try {
			date = this.parseDate(dateFormat, dates, settings) || defaultDate;
		} catch (event) {
			dates = (noDefault ? "" : dates);
		}
		inst.selectedDay = date.getDate();
		inst.drawMonth = inst.selectedMonth = date.getMonth();
		inst.drawYear = inst.selectedYear = date.getFullYear();
		inst.currentDay = (dates ? date.getDate() : 0);
		inst.currentMonth = (dates ? date.getMonth() : 0);
		inst.currentYear = (dates ? date.getFullYear() : 0);
		this._adjustInstDate(inst);
	},

	/* Retrieve the default date shown on opening. */
	_getDefaultDate: function(inst) {
		return this._restrictMinMax(inst,
			this._determineDate(inst, this._get(inst, "defaultDate"), new Date()));
	},

	/* A date may be specified as an exact value or a relative one. */
	_determineDate: function(inst, date, defaultDate) {
		var offsetNumeric = function(offset) {
				var date = new Date();
				date.setDate(date.getDate() + offset);
				return date;
			},
			offsetString = function(offset) {
				try {
					return $.datepicker.parseDate($.datepicker._get(inst, "dateFormat"),
						offset, $.datepicker._getFormatConfig(inst));
				}
				catch (e) {
					// Ignore
				}

				var date = (offset.toLowerCase().match(/^c/) ?
					$.datepicker._getDate(inst) : null) || new Date(),
					year = date.getFullYear(),
					month = date.getMonth(),
					day = date.getDate(),
					pattern = /([+\-]?[0-9]+)\s*(d|D|w|W|m|M|y|Y)?/g,
					matches = pattern.exec(offset);

				while (matches) {
					switch (matches[2] || "d") {
						case "d" : case "D" :
							day += parseInt(matches[1],10); break;
						case "w" : case "W" :
							day += parseInt(matches[1],10) * 7; break;
						case "m" : case "M" :
							month += parseInt(matches[1],10);
							day = Math.min(day, $.datepicker._getDaysInMonth(year, month));
							break;
						case "y": case "Y" :
							year += parseInt(matches[1],10);
							day = Math.min(day, $.datepicker._getDaysInMonth(year, month));
							break;
					}
					matches = pattern.exec(offset);
				}
				return new Date(year, month, day);
			},
			newDate = (date == null || date === "" ? defaultDate : (typeof date === "string" ? offsetString(date) :
				(typeof date === "number" ? (isNaN(date) ? defaultDate : offsetNumeric(date)) : new Date(date.getTime()))));

		newDate = (newDate && newDate.toString() === "Invalid Date" ? defaultDate : newDate);
		if (newDate) {
			newDate.setHours(0);
			newDate.setMinutes(0);
			newDate.setSeconds(0);
			newDate.setMilliseconds(0);
		}
		return this._daylightSavingAdjust(newDate);
	},

	/* Handle switch to/from daylight saving.
	 * Hours may be non-zero on daylight saving cut-over:
	 * > 12 when midnight changeover, but then cannot generate
	 * midnight datetime, so jump to 1AM, otherwise reset.
	 * @param  date  (Date) the date to check
	 * @return  (Date) the corrected date
	 */
	_daylightSavingAdjust: function(date) {
		if (!date) {
			return null;
		}
		date.setHours(date.getHours() > 12 ? date.getHours() + 2 : 0);
		return date;
	},

	/* Set the date(s) directly. */
	_setDate: function(inst, date, noChange) {
		var clear = !date,
			origMonth = inst.selectedMonth,
			origYear = inst.selectedYear,
			newDate = this._restrictMinMax(inst, this._determineDate(inst, date, new Date()));

		inst.selectedDay = inst.currentDay = newDate.getDate();
		inst.drawMonth = inst.selectedMonth = inst.currentMonth = newDate.getMonth();
		inst.drawYear = inst.selectedYear = inst.currentYear = newDate.getFullYear();
		if ((origMonth !== inst.selectedMonth || origYear !== inst.selectedYear) && !noChange) {
			this._notifyChange(inst);
		}
		this._adjustInstDate(inst);
		if (inst.input) {
			inst.input.val(clear ? "" : this._formatDate(inst));
		}
	},

	/* Retrieve the date(s) directly. */
	_getDate: function(inst) {
		var startDate = (!inst.currentYear || (inst.input && inst.input.val() === "") ? null :
			this._daylightSavingAdjust(new Date(
			inst.currentYear, inst.currentMonth, inst.currentDay)));
			return startDate;
	},

	/* Attach the onxxx handlers.  These are declared statically so
	 * they work with static code transformers like Caja.
	 */
	_attachHandlers: function(inst) {
		var stepMonths = this._get(inst, "stepMonths"),
			id = "#" + inst.id.replace( /\\\\/g, "\\" );
		inst.dpDiv.find("[data-handler]").map(function () {
			var handler = {
				prev: function () {
					window["DP_jQuery_" + dpuuid].datepicker._adjustDate(id, -stepMonths, "M");
				},
				next: function () {
					window["DP_jQuery_" + dpuuid].datepicker._adjustDate(id, +stepMonths, "M");
				},
				hide: function () {
					window["DP_jQuery_" + dpuuid].datepicker._hideDatepicker();
				},
				today: function () {
					window["DP_jQuery_" + dpuuid].datepicker._gotoToday(id);
				},
				selectDay: function () {
					window["DP_jQuery_" + dpuuid].datepicker._selectDay(id, +this.getAttribute("data-month"), +this.getAttribute("data-year"), this);
					return false;
				},
				selectMonth: function () {
					window["DP_jQuery_" + dpuuid].datepicker._selectMonthYear(id, this, "M");
					return false;
				},
				selectYear: function () {
					window["DP_jQuery_" + dpuuid].datepicker._selectMonthYear(id, this, "Y");
					return false;
				}
			};
			$(this).bind(this.getAttribute("data-event"), handler[this.getAttribute("data-handler")]);
		});
	},

	/* Generate the HTML for the current state of the date picker. */
	_generateHTML: function(inst) {
		var maxDraw, prevText, prev, nextText, next, currentText, gotoDate,
			controls, buttonPanel, firstDay, showWeek, dayNames, dayNamesMin,
			monthNames, monthNamesShort, beforeShowDay, showOtherMonths,
			selectOtherMonths, defaultDate, html, dow, row, group, col, selectedDate,
			cornerClass, calender, thead, day, daysInMonth, leadDays, curRows, numRows,
			printDate, dRow, tbody, daySettings, otherMonth, unselectable,
			tempDate = new Date(),
			today = this._daylightSavingAdjust(
				new Date(tempDate.getFullYear(), tempDate.getMonth(), tempDate.getDate())), // clear time
			isRTL = this._get(inst, "isRTL"),
			showButtonPanel = this._get(inst, "showButtonPanel"),
			hideIfNoPrevNext = this._get(inst, "hideIfNoPrevNext"),
			navigationAsDateFormat = this._get(inst, "navigationAsDateFormat"),
			numMonths = this._getNumberOfMonths(inst),
			showCurrentAtPos = this._get(inst, "showCurrentAtPos"),
			stepMonths = this._get(inst, "stepMonths"),
			isMultiMonth = (numMonths[0] !== 1 || numMonths[1] !== 1),
			currentDate = this._daylightSavingAdjust((!inst.currentDay ? new Date(9999, 9, 9) :
				new Date(inst.currentYear, inst.currentMonth, inst.currentDay))),
			minDate = this._getMinMaxDate(inst, "min"),
			maxDate = this._getMinMaxDate(inst, "max"),
			drawMonth = inst.drawMonth - showCurrentAtPos,
			drawYear = inst.drawYear;

		if (drawMonth < 0) {
			drawMonth += 12;
			drawYear--;
		}
		if (maxDate) {
			maxDraw = this._daylightSavingAdjust(new Date(maxDate.getFullYear(),
				maxDate.getMonth() - (numMonths[0] * numMonths[1]) + 1, maxDate.getDate()));
			maxDraw = (minDate && maxDraw < minDate ? minDate : maxDraw);
			while (this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1)) > maxDraw) {
				drawMonth--;
				if (drawMonth < 0) {
					drawMonth = 11;
					drawYear--;
				}
			}
		}
		inst.drawMonth = drawMonth;
		inst.drawYear = drawYear;

		prevText = this._get(inst, "prevText");
		prevText = (!navigationAsDateFormat ? prevText : this.formatDate(prevText,
			this._daylightSavingAdjust(new Date(drawYear, drawMonth - stepMonths, 1)),
			this._getFormatConfig(inst)));

		prev = (this._canAdjustMonth(inst, -1, drawYear, drawMonth) ?
			"<a class='ui-datepicker-prev ui-corner-all' data-handler='prev' data-event='click'" +
			" title='" + prevText + "'><span class='ui-icon ui-icon-circle-triangle-" + ( isRTL ? "e" : "w") + "'>" + prevText + "</span></a>" :
			(hideIfNoPrevNext ? "" : "<a class='ui-datepicker-prev ui-corner-all ui-state-disabled' title='"+ prevText +"'><span class='ui-icon ui-icon-circle-triangle-" + ( isRTL ? "e" : "w") + "'>" + prevText + "</span></a>"));

		nextText = this._get(inst, "nextText");
		nextText = (!navigationAsDateFormat ? nextText : this.formatDate(nextText,
			this._daylightSavingAdjust(new Date(drawYear, drawMonth + stepMonths, 1)),
			this._getFormatConfig(inst)));

		next = (this._canAdjustMonth(inst, +1, drawYear, drawMonth) ?
			"<a class='ui-datepicker-next ui-corner-all' data-handler='next' data-event='click'" +
			" title='" + nextText + "'><span class='ui-icon ui-icon-circle-triangle-" + ( isRTL ? "w" : "e") + "'>" + nextText + "</span></a>" :
			(hideIfNoPrevNext ? "" : "<a class='ui-datepicker-next ui-corner-all ui-state-disabled' title='"+ nextText + "'><span class='ui-icon ui-icon-circle-triangle-" + ( isRTL ? "w" : "e") + "'>" + nextText + "</span></a>"));

		currentText = this._get(inst, "currentText");
		gotoDate = (this._get(inst, "gotoCurrent") && inst.currentDay ? currentDate : today);
		currentText = (!navigationAsDateFormat ? currentText :
			this.formatDate(currentText, gotoDate, this._getFormatConfig(inst)));

		controls = (!inst.inline ? "<button type='button' class='ui-datepicker-close ui-state-default ui-priority-primary ui-corner-all' data-handler='hide' data-event='click'>" +
			this._get(inst, "closeText") + "</button>" : "");

		buttonPanel = (showButtonPanel) ? "<div class='ui-datepicker-buttonpane ui-widget-content'>" + (isRTL ? controls : "") +
			(this._isInRange(inst, gotoDate) ? "<button type='button' class='ui-datepicker-current ui-state-default ui-priority-secondary ui-corner-all' data-handler='today' data-event='click'" +
			">" + currentText + "</button>" : "") + (isRTL ? "" : controls) + "</div>" : "";

		firstDay = parseInt(this._get(inst, "firstDay"),10);
		firstDay = (isNaN(firstDay) ? 0 : firstDay);

		showWeek = this._get(inst, "showWeek");
		dayNames = this._get(inst, "dayNames");
		dayNamesMin = this._get(inst, "dayNamesMin");
		monthNames = this._get(inst, "monthNames");
		monthNamesShort = this._get(inst, "monthNamesShort");
		beforeShowDay = this._get(inst, "beforeShowDay");
		showOtherMonths = this._get(inst, "showOtherMonths");
		selectOtherMonths = this._get(inst, "selectOtherMonths");
		defaultDate = this._getDefaultDate(inst);
		html = "";
		dow;
		for (row = 0; row < numMonths[0]; row++) {
			group = "";
			this.maxRows = 4;
			for (col = 0; col < numMonths[1]; col++) {
				selectedDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, inst.selectedDay));
				cornerClass = " ui-corner-all";
				calender = "";
				if (isMultiMonth) {
					calender += "<div class='ui-datepicker-group";
					if (numMonths[1] > 1) {
						switch (col) {
							case 0: calender += " ui-datepicker-group-first";
								cornerClass = " ui-corner-" + (isRTL ? "right" : "left"); break;
							case numMonths[1]-1: calender += " ui-datepicker-group-last";
								cornerClass = " ui-corner-" + (isRTL ? "left" : "right"); break;
							default: calender += " ui-datepicker-group-middle"; cornerClass = ""; break;
						}
					}
					calender += "'>";
				}
				calender += "<div class='ui-datepicker-header ui-widget-header ui-helper-clearfix" + cornerClass + "'>" +
					(/all|left/.test(cornerClass) && row === 0 ? (isRTL ? next : prev) : "") +
					(/all|right/.test(cornerClass) && row === 0 ? (isRTL ? prev : next) : "") +
					this._generateMonthYearHeader(inst, drawMonth, drawYear, minDate, maxDate,
					row > 0 || col > 0, monthNames, monthNamesShort) + // draw month headers
					"</div><table class='ui-datepicker-calendar'><thead>" +
					"<tr>";
				thead = (showWeek ? "<th class='ui-datepicker-week-col'>" + this._get(inst, "weekHeader") + "</th>" : "");
				for (dow = 0; dow < 7; dow++) { // days of the week
					day = (dow + firstDay) % 7;
					thead += "<th" + ((dow + firstDay + 6) % 7 >= 5 ? " class='ui-datepicker-week-end'" : "") + ">" +
						"<span title='" + dayNames[day] + "'>" + dayNamesMin[day] + "</span></th>";
				}
				calender += thead + "</tr></thead><tbody>";
				daysInMonth = this._getDaysInMonth(drawYear, drawMonth);
				if (drawYear === inst.selectedYear && drawMonth === inst.selectedMonth) {
					inst.selectedDay = Math.min(inst.selectedDay, daysInMonth);
				}
				leadDays = (this._getFirstDayOfMonth(drawYear, drawMonth) - firstDay + 7) % 7;
				curRows = Math.ceil((leadDays + daysInMonth) / 7); // calculate the number of rows to generate
				numRows = (isMultiMonth ? this.maxRows > curRows ? this.maxRows : curRows : curRows); //If multiple months, use the higher number of rows (see #7043)
				this.maxRows = numRows;
				printDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1 - leadDays));
				for (dRow = 0; dRow < numRows; dRow++) { // create date picker rows
					calender += "<tr>";
					tbody = (!showWeek ? "" : "<td class='ui-datepicker-week-col'>" +
						this._get(inst, "calculateWeek")(printDate) + "</td>");
					for (dow = 0; dow < 7; dow++) { // create date picker days
						daySettings = (beforeShowDay ?
							beforeShowDay.apply((inst.input ? inst.input[0] : null), [printDate]) : [true, ""]);
						otherMonth = (printDate.getMonth() !== drawMonth);
						unselectable = (otherMonth && !selectOtherMonths) || !daySettings[0] ||
							(minDate && printDate < minDate) || (maxDate && printDate > maxDate);
						tbody += "<td class='" +
							((dow + firstDay + 6) % 7 >= 5 ? " ui-datepicker-week-end" : "") + // highlight weekends
							(otherMonth ? " ui-datepicker-other-month" : "") + // highlight days from other months
							((printDate.getTime() === selectedDate.getTime() && drawMonth === inst.selectedMonth && inst._keyEvent) || // user pressed key
							(defaultDate.getTime() === printDate.getTime() && defaultDate.getTime() === selectedDate.getTime()) ?
							// or defaultDate is current printedDate and defaultDate is selectedDate
							" " + this._dayOverClass : "") + // highlight selected day
							(unselectable ? " " + this._unselectableClass + " ui-state-disabled": "") +  // highlight unselectable days
							(otherMonth && !showOtherMonths ? "" : " " + daySettings[1] + // highlight custom dates
							(printDate.getTime() === currentDate.getTime() ? " " + this._currentClass : "") + // highlight selected day
							(printDate.getTime() === today.getTime() ? " ui-datepicker-today" : "")) + "'" + // highlight today (if different)
							((!otherMonth || showOtherMonths) && daySettings[2] ? " title='" + daySettings[2].replace(/'/g, "&#39;") + "'" : "") + // cell title
							(unselectable ? "" : " data-handler='selectDay' data-event='click' data-month='" + printDate.getMonth() + "' data-year='" + printDate.getFullYear() + "'") + ">" + // actions
							(otherMonth && !showOtherMonths ? "&#xa0;" : // display for other months
							(unselectable ? "<span class='ui-state-default'>" + printDate.getDate() + "</span>" : "<a class='ui-state-default" +
							(printDate.getTime() === today.getTime() ? " ui-state-highlight" : "") +
							(printDate.getTime() === currentDate.getTime() ? " ui-state-active" : "") + // highlight selected day
							(otherMonth ? " ui-priority-secondary" : "") + // distinguish dates from other months
							"' href='#'>" + printDate.getDate() + "</a>")) + "</td>"; // display selectable date
						printDate.setDate(printDate.getDate() + 1);
						printDate = this._daylightSavingAdjust(printDate);
					}
					calender += tbody + "</tr>";
				}
				drawMonth++;
				if (drawMonth > 11) {
					drawMonth = 0;
					drawYear++;
				}
				calender += "</tbody></table>" + (isMultiMonth ? "</div>" +
							((numMonths[0] > 0 && col === numMonths[1]-1) ? "<div class='ui-datepicker-row-break'></div>" : "") : "");
				group += calender;
			}
			html += group;
		}
		html += buttonPanel;
		inst._keyEvent = false;
		return html;
	},

	/* Generate the month and year header. */
	_generateMonthYearHeader: function(inst, drawMonth, drawYear, minDate, maxDate,
			secondary, monthNames, monthNamesShort) {

		var inMinYear, inMaxYear, month, years, thisYear, determineYear, year, endYear,
			changeMonth = this._get(inst, "changeMonth"),
			changeYear = this._get(inst, "changeYear"),
			showMonthAfterYear = this._get(inst, "showMonthAfterYear"),
			html = "<div class='ui-datepicker-title'>",
			monthHtml = "";

		// month selection
		if (secondary || !changeMonth) {
			monthHtml += "<span class='ui-datepicker-month'>" + monthNames[drawMonth] + "</span>";
		} else {
			inMinYear = (minDate && minDate.getFullYear() === drawYear);
			inMaxYear = (maxDate && maxDate.getFullYear() === drawYear);
			monthHtml += "<select class='ui-datepicker-month' data-handler='selectMonth' data-event='change'>";
			for ( month = 0; month < 12; month++) {
				if ((!inMinYear || month >= minDate.getMonth()) && (!inMaxYear || month <= maxDate.getMonth())) {
					monthHtml += "<option value='" + month + "'" +
						(month === drawMonth ? " selected='selected'" : "") +
						">" + monthNamesShort[month] + "</option>";
				}
			}
			monthHtml += "</select>";
		}

		if (!showMonthAfterYear) {
			html += monthHtml + (secondary || !(changeMonth && changeYear) ? "&#xa0;" : "");
		}

		// year selection
		if ( !inst.yearshtml ) {
			inst.yearshtml = "";
			if (secondary || !changeYear) {
				html += "<span class='ui-datepicker-year'>" + drawYear + "</span>";
			} else {
				// determine range of years to display
				years = this._get(inst, "yearRange").split(":");
				thisYear = new Date().getFullYear();
				determineYear = function(value) {
					var year = (value.match(/c[+\-].*/) ? drawYear + parseInt(value.substring(1), 10) :
						(value.match(/[+\-].*/) ? thisYear + parseInt(value, 10) :
						parseInt(value, 10)));
					return (isNaN(year) ? thisYear : year);
				};
				year = determineYear(years[0]);
				endYear = Math.max(year, determineYear(years[1] || ""));
				year = (minDate ? Math.max(year, minDate.getFullYear()) : year);
				endYear = (maxDate ? Math.min(endYear, maxDate.getFullYear()) : endYear);
				inst.yearshtml += "<select class='ui-datepicker-year' data-handler='selectYear' data-event='change'>";
				for (; year <= endYear; year++) {
					inst.yearshtml += "<option value='" + year + "'" +
						(year === drawYear ? " selected='selected'" : "") +
						">" + year + "</option>";
				}
				inst.yearshtml += "</select>";

				html += inst.yearshtml;
				inst.yearshtml = null;
			}
		}

		html += this._get(inst, "yearSuffix");
		if (showMonthAfterYear) {
			html += (secondary || !(changeMonth && changeYear) ? "&#xa0;" : "") + monthHtml;
		}
		html += "</div>"; // Close datepicker_header
		return html;
	},

	/* Adjust one of the date sub-fields. */
	_adjustInstDate: function(inst, offset, period) {
		var year = inst.drawYear + (period === "Y" ? offset : 0),
			month = inst.drawMonth + (period === "M" ? offset : 0),
			day = Math.min(inst.selectedDay, this._getDaysInMonth(year, month)) + (period === "D" ? offset : 0),
			date = this._restrictMinMax(inst, this._daylightSavingAdjust(new Date(year, month, day)));

		inst.selectedDay = date.getDate();
		inst.drawMonth = inst.selectedMonth = date.getMonth();
		inst.drawYear = inst.selectedYear = date.getFullYear();
		if (period === "M" || period === "Y") {
			this._notifyChange(inst);
		}
	},

	/* Ensure a date is within any min/max bounds. */
	_restrictMinMax: function(inst, date) {
		var minDate = this._getMinMaxDate(inst, "min"),
			maxDate = this._getMinMaxDate(inst, "max"),
			newDate = (minDate && date < minDate ? minDate : date);
		return (maxDate && newDate > maxDate ? maxDate : newDate);
	},

	/* Notify change of month/year. */
	_notifyChange: function(inst) {
		var onChange = this._get(inst, "onChangeMonthYear");
		if (onChange) {
			onChange.apply((inst.input ? inst.input[0] : null),
				[inst.selectedYear, inst.selectedMonth + 1, inst]);
		}
	},

	/* Determine the number of months to show. */
	_getNumberOfMonths: function(inst) {
		var numMonths = this._get(inst, "numberOfMonths");
		return (numMonths == null ? [1, 1] : (typeof numMonths === "number" ? [1, numMonths] : numMonths));
	},

	/* Determine the current maximum date - ensure no time components are set. */
	_getMinMaxDate: function(inst, minMax) {
		return this._determineDate(inst, this._get(inst, minMax + "Date"), null);
	},

	/* Find the number of days in a given month. */
	_getDaysInMonth: function(year, month) {
		return 32 - this._daylightSavingAdjust(new Date(year, month, 32)).getDate();
	},

	/* Find the day of the week of the first of a month. */
	_getFirstDayOfMonth: function(year, month) {
		return new Date(year, month, 1).getDay();
	},

	/* Determines if we should allow a "next/prev" month display change. */
	_canAdjustMonth: function(inst, offset, curYear, curMonth) {
		var numMonths = this._getNumberOfMonths(inst),
			date = this._daylightSavingAdjust(new Date(curYear,
			curMonth + (offset < 0 ? offset : numMonths[0] * numMonths[1]), 1));

		if (offset < 0) {
			date.setDate(this._getDaysInMonth(date.getFullYear(), date.getMonth()));
		}
		return this._isInRange(inst, date);
	},

	/* Is the given date in the accepted range? */
	_isInRange: function(inst, date) {
		var yearSplit, currentYear,
			minDate = this._getMinMaxDate(inst, "min"),
			maxDate = this._getMinMaxDate(inst, "max"),
			minYear = null,
			maxYear = null,
			years = this._get(inst, "yearRange");
			if (years){
				yearSplit = years.split(":");
				currentYear = new Date().getFullYear();
				minYear = parseInt(yearSplit[0], 10);
				maxYear = parseInt(yearSplit[1], 10);
				if ( yearSplit[0].match(/[+\-].*/) ) {
					minYear += currentYear;
				}
				if ( yearSplit[1].match(/[+\-].*/) ) {
					maxYear += currentYear;
				}
			}

		return ((!minDate || date.getTime() >= minDate.getTime()) &&
			(!maxDate || date.getTime() <= maxDate.getTime()) &&
			(!minYear || date.getFullYear() >= minYear) &&
			(!maxYear || date.getFullYear() <= maxYear));
	},

	/* Provide the configuration settings for formatting/parsing. */
	_getFormatConfig: function(inst) {
		var shortYearCutoff = this._get(inst, "shortYearCutoff");
		shortYearCutoff = (typeof shortYearCutoff !== "string" ? shortYearCutoff :
			new Date().getFullYear() % 100 + parseInt(shortYearCutoff, 10));
		return {shortYearCutoff: shortYearCutoff,
			dayNamesShort: this._get(inst, "dayNamesShort"), dayNames: this._get(inst, "dayNames"),
			monthNamesShort: this._get(inst, "monthNamesShort"), monthNames: this._get(inst, "monthNames")};
	},

	/* Format the given date for display. */
	_formatDate: function(inst, day, month, year) {
		if (!day) {
			inst.currentDay = inst.selectedDay;
			inst.currentMonth = inst.selectedMonth;
			inst.currentYear = inst.selectedYear;
		}
		var date = (day ? (typeof day === "object" ? day :
			this._daylightSavingAdjust(new Date(year, month, day))) :
			this._daylightSavingAdjust(new Date(inst.currentYear, inst.currentMonth, inst.currentDay)));
		return this.formatDate(this._get(inst, "dateFormat"), date, this._getFormatConfig(inst));
	}
});

/*
 * Bind hover events for datepicker elements.
 * Done via delegate so the binding only occurs once in the lifetime of the parent div.
 * Global instActive, set by _updateDatepicker allows the handlers to find their way back to the active picker.
 */
function bindHover(dpDiv) {
	var selector = "button, .ui-datepicker-prev, .ui-datepicker-next, .ui-datepicker-calendar td a";
	return dpDiv.delegate(selector, "mouseout", function() {
			$(this).removeClass("ui-state-hover");
			if (this.className.indexOf("ui-datepicker-prev") !== -1) {
				$(this).removeClass("ui-datepicker-prev-hover");
			}
			if (this.className.indexOf("ui-datepicker-next") !== -1) {
				$(this).removeClass("ui-datepicker-next-hover");
			}
		})
		.delegate(selector, "mouseover", function(){
			if (!$.datepicker._isDisabledDatepicker( instActive.inline ? dpDiv.parent()[0] : instActive.input[0])) {
				$(this).parents(".ui-datepicker-calendar").find("a").removeClass("ui-state-hover");
				$(this).addClass("ui-state-hover");
				if (this.className.indexOf("ui-datepicker-prev") !== -1) {
					$(this).addClass("ui-datepicker-prev-hover");
				}
				if (this.className.indexOf("ui-datepicker-next") !== -1) {
					$(this).addClass("ui-datepicker-next-hover");
				}
			}
		});
}

/* jQuery extend now ignores nulls! */
function extendRemove(target, props) {
	$.extend(target, props);
	for (var name in props) {
		if (props[name] == null) {
			target[name] = props[name];
		}
	}
	return target;
}

/* Invoke the datepicker functionality.
   @param  options  string - a command, optionally followed by additional parameters or
					Object - settings for attaching new datepicker functionality
   @return  jQuery object */
$.fn.datepicker = function(options){

	/* Verify an empty collection wasn't passed - Fixes #6976 */
	if ( !this.length ) {
		return this;
	}

	/* Initialise the date picker. */
	if (!$.datepicker.initialized) {
		$(document).mousedown($.datepicker._checkExternalClick);
		$.datepicker.initialized = true;
	}

	/* Append datepicker main container to body if not exist. */
	if ($("#"+$.datepicker._mainDivId).length === 0) {
		$("body").append($.datepicker.dpDiv);
	}

	var otherArgs = Array.prototype.slice.call(arguments, 1);
	if (typeof options === "string" && (options === "isDisabled" || options === "getDate" || options === "widget")) {
		return $.datepicker["_" + options + "Datepicker"].
			apply($.datepicker, [this[0]].concat(otherArgs));
	}
	if (options === "option" && arguments.length === 2 && typeof arguments[1] === "string") {
		return $.datepicker["_" + options + "Datepicker"].
			apply($.datepicker, [this[0]].concat(otherArgs));
	}
	return this.each(function() {
		typeof options === "string" ?
			$.datepicker["_" + options + "Datepicker"].
				apply($.datepicker, [this].concat(otherArgs)) :
			$.datepicker._attachDatepicker(this, options);
	});
};

$.datepicker = new Datepicker(); // singleton instance
$.datepicker.initialized = false;
$.datepicker.uuid = new Date().getTime();
$.datepicker.version = "1.10.2";

// Workaround for #4055
// Add another global to avoid noConflict issues with inline event handlers
window["DP_jQuery_" + dpuuid] = $;

})(jQuery);

(function( $, undefined ) {

var sizeRelatedOptions = {
		buttons: true,
		height: true,
		maxHeight: true,
		maxWidth: true,
		minHeight: true,
		minWidth: true,
		width: true
	},
	resizableRelatedOptions = {
		maxHeight: true,
		maxWidth: true,
		minHeight: true,
		minWidth: true
	};

$.widget( "ui.dialog", {
	version: "1.10.2",
	options: {
		appendTo: "body",
		autoOpen: true,
		buttons: [],
		closeOnEscape: true,
		closeText: "close",
		dialogClass: "",
		draggable: true,
		hide: null,
		height: "auto",
		maxHeight: null,
		maxWidth: null,
		minHeight: 150,
		minWidth: 150,
		modal: false,
		position: {
			my: "center",
			at: "center",
			of: window,
			collision: "fit",
			// Ensure the titlebar is always visible
			using: function( pos ) {
				var topOffset = $( this ).css( pos ).offset().top;
				if ( topOffset < 0 ) {
					$( this ).css( "top", pos.top - topOffset );
				}
			}
		},
		resizable: true,
		show: null,
		title: null,
		width: 300,

		// callbacks
		beforeClose: null,
		close: null,
		drag: null,
		dragStart: null,
		dragStop: null,
		focus: null,
		open: null,
		resize: null,
		resizeStart: null,
		resizeStop: null
	},

	_create: function() {
		this.originalCss = {
			display: this.element[0].style.display,
			width: this.element[0].style.width,
			minHeight: this.element[0].style.minHeight,
			maxHeight: this.element[0].style.maxHeight,
			height: this.element[0].style.height
		};
		this.originalPosition = {
			parent: this.element.parent(),
			index: this.element.parent().children().index( this.element )
		};
		this.originalTitle = this.element.attr("title");
		this.options.title = this.options.title || this.originalTitle;

		this._createWrapper();

		this.element
			.show()
			.removeAttr("title")
			.addClass("ui-dialog-content ui-widget-content")
			.appendTo( this.uiDialog );

		this._createTitlebar();
		this._createButtonPane();

		if ( this.options.draggable && $.fn.draggable ) {
			this._makeDraggable();
		}
		if ( this.options.resizable && $.fn.resizable ) {
			this._makeResizable();
		}

		this._isOpen = false;
	},

	_init: function() {
		if ( this.options.autoOpen ) {
			this.open();
		}
	},

	_appendTo: function() {
		var element = this.options.appendTo;
		if ( element && (element.jquery || element.nodeType) ) {
			return $( element );
		}
		return this.document.find( element || "body" ).eq( 0 );
	},

	_destroy: function() {
		var next,
			originalPosition = this.originalPosition;

		this._destroyOverlay();

		this.element
			.removeUniqueId()
			.removeClass("ui-dialog-content ui-widget-content")
			.css( this.originalCss )
			// Without detaching first, the following becomes really slow
			.detach();

		this.uiDialog.stop( true, true ).remove();

		if ( this.originalTitle ) {
			this.element.attr( "title", this.originalTitle );
		}

		next = originalPosition.parent.children().eq( originalPosition.index );
		// Don't try to place the dialog next to itself (#8613)
		if ( next.length && next[0] !== this.element[0] ) {
			next.before( this.element );
		} else {
			originalPosition.parent.append( this.element );
		}
	},

	widget: function() {
		return this.uiDialog;
	},

	disable: $.noop,
	enable: $.noop,

	close: function( event ) {
		var that = this;

		if ( !this._isOpen || this._trigger( "beforeClose", event ) === false ) {
			return;
		}

		this._isOpen = false;
		this._destroyOverlay();

		if ( !this.opener.filter(":focusable").focus().length ) {
			// Hiding a focused element doesn't trigger blur in WebKit
			// so in case we have nothing to focus on, explicitly blur the active element
			// https://bugs.webkit.org/show_bug.cgi?id=47182
			$( this.document[0].activeElement ).blur();
		}

		this._hide( this.uiDialog, this.options.hide, function() {
			that._trigger( "close", event );
		});
	},

	isOpen: function() {
		return this._isOpen;
	},

	moveToTop: function() {
		this._moveToTop();
	},

	_moveToTop: function( event, silent ) {
		var moved = !!this.uiDialog.nextAll(":visible").insertBefore( this.uiDialog ).length;
		if ( moved && !silent ) {
			this._trigger( "focus", event );
		}
		return moved;
	},

	open: function() {
		var that = this;
		if ( this._isOpen ) {
			if ( this._moveToTop() ) {
				this._focusTabbable();
			}
			return;
		}

		this._isOpen = true;
		this.opener = $( this.document[0].activeElement );

		this._size();
		this._position();
		this._createOverlay();
		this._moveToTop( null, true );
		this._show( this.uiDialog, this.options.show, function() {
			that._focusTabbable();
			that._trigger("focus");
		});

		this._trigger("open");
	},

	_focusTabbable: function() {
		// Set focus to the first match:
		// 1. First element inside the dialog matching [autofocus]
		// 2. Tabbable element inside the content element
		// 3. Tabbable element inside the buttonpane
		// 4. The close button
		// 5. The dialog itself
		var hasFocus = this.element.find("[autofocus]");
		if ( !hasFocus.length ) {
			hasFocus = this.element.find(":tabbable");
		}
		if ( !hasFocus.length ) {
			hasFocus = this.uiDialogButtonPane.find(":tabbable");
		}
		if ( !hasFocus.length ) {
			hasFocus = this.uiDialogTitlebarClose.filter(":tabbable");
		}
		if ( !hasFocus.length ) {
			hasFocus = this.uiDialog;
		}
		hasFocus.eq( 0 ).focus();
	},

	_keepFocus: function( event ) {
		function checkFocus() {
			var activeElement = this.document[0].activeElement,
				isActive = this.uiDialog[0] === activeElement ||
					$.contains( this.uiDialog[0], activeElement );
			if ( !isActive ) {
				this._focusTabbable();
			}
		}
		event.preventDefault();
		checkFocus.call( this );
		// support: IE
		// IE <= 8 doesn't prevent moving focus even with event.preventDefault()
		// so we check again later
		this._delay( checkFocus );
	},

	_createWrapper: function() {
		this.uiDialog = $("<div>")
			.addClass( "ui-dialog ui-widget ui-widget-content ui-corner-all ui-front " +
				this.options.dialogClass )
			.hide()
			.attr({
				// Setting tabIndex makes the div focusable
				tabIndex: -1,
				role: "dialog"
			})
			.appendTo( this._appendTo() );

		this._on( this.uiDialog, {
			keydown: function( event ) {
				if ( this.options.closeOnEscape && !event.isDefaultPrevented() && event.keyCode &&
						event.keyCode === $.ui.keyCode.ESCAPE ) {
					event.preventDefault();
					this.close( event );
					return;
				}

				// prevent tabbing out of dialogs
				if ( event.keyCode !== $.ui.keyCode.TAB ) {
					return;
				}
				var tabbables = this.uiDialog.find(":tabbable"),
					first = tabbables.filter(":first"),
					last  = tabbables.filter(":last");

				if ( ( event.target === last[0] || event.target === this.uiDialog[0] ) && !event.shiftKey ) {
					first.focus( 1 );
					event.preventDefault();
				} else if ( ( event.target === first[0] || event.target === this.uiDialog[0] ) && event.shiftKey ) {
					last.focus( 1 );
					event.preventDefault();
				}
			},
			mousedown: function( event ) {
				if ( this._moveToTop( event ) ) {
					this._focusTabbable();
				}
			}
		});

		// We assume that any existing aria-describedby attribute means
		// that the dialog content is marked up properly
		// otherwise we brute force the content as the description
		if ( !this.element.find("[aria-describedby]").length ) {
			this.uiDialog.attr({
				"aria-describedby": this.element.uniqueId().attr("id")
			});
		}
	},

	_createTitlebar: function() {
		var uiDialogTitle;

		this.uiDialogTitlebar = $("<div>")
			.addClass("ui-dialog-titlebar ui-widget-header ui-corner-all ui-helper-clearfix")
			.prependTo( this.uiDialog );
		this._on( this.uiDialogTitlebar, {
			mousedown: function( event ) {
				// Don't prevent click on close button (#8838)
				// Focusing a dialog that is partially scrolled out of view
				// causes the browser to scroll it into view, preventing the click event
				if ( !$( event.target ).closest(".ui-dialog-titlebar-close") ) {
					// Dialog isn't getting focus when dragging (#8063)
					this.uiDialog.focus();
				}
			}
		});

		this.uiDialogTitlebarClose = $("<button></button>")
			.button({
				label: this.options.closeText,
				icons: {
					primary: "ui-icon-closethick"
				},
				text: false
			})
			.addClass("ui-dialog-titlebar-close")
			.appendTo( this.uiDialogTitlebar );
		this._on( this.uiDialogTitlebarClose, {
			click: function( event ) {
				event.preventDefault();
				this.close( event );
			}
		});

		uiDialogTitle = $("<span>")
			.uniqueId()
			.addClass("ui-dialog-title")
			.prependTo( this.uiDialogTitlebar );
		this._title( uiDialogTitle );

		this.uiDialog.attr({
			"aria-labelledby": uiDialogTitle.attr("id")
		});
	},

	_title: function( title ) {
		if ( !this.options.title ) {
			title.html("&#160;");
		}
		title.text( this.options.title );
	},

	_createButtonPane: function() {
		this.uiDialogButtonPane = $("<div>")
			.addClass("ui-dialog-buttonpane ui-widget-content ui-helper-clearfix");

		this.uiButtonSet = $("<div>")
			.addClass("ui-dialog-buttonset")
			.appendTo( this.uiDialogButtonPane );

		this._createButtons();
	},

	_createButtons: function() {
		var that = this,
			buttons = this.options.buttons;

		// if we already have a button pane, remove it
		this.uiDialogButtonPane.remove();
		this.uiButtonSet.empty();

		if ( $.isEmptyObject( buttons ) || ($.isArray( buttons ) && !buttons.length) ) {
			this.uiDialog.removeClass("ui-dialog-buttons");
			return;
		}

		$.each( buttons, function( name, props ) {
			var click, buttonOptions;
			props = $.isFunction( props ) ?
				{ click: props, text: name } :
				props;
			// Default to a non-submitting button
			props = $.extend( { type: "button" }, props );
			// Change the context for the click callback to be the main element
			click = props.click;
			props.click = function() {
				click.apply( that.element[0], arguments );
			};
			buttonOptions = {
				icons: props.icons,
				text: props.showText
			};
			delete props.icons;
			delete props.showText;
			$( "<button></button>", props )
				.button( buttonOptions )
				.appendTo( that.uiButtonSet );
		});
		this.uiDialog.addClass("ui-dialog-buttons");
		this.uiDialogButtonPane.appendTo( this.uiDialog );
	},

	_makeDraggable: function() {
		var that = this,
			options = this.options;

		function filteredUi( ui ) {
			return {
				position: ui.position,
				offset: ui.offset
			};
		}

		this.uiDialog.draggable({
			cancel: ".ui-dialog-content, .ui-dialog-titlebar-close",
			handle: ".ui-dialog-titlebar",
			containment: "document",
			start: function( event, ui ) {
				$( this ).addClass("ui-dialog-dragging");
				that._blockFrames();
				that._trigger( "dragStart", event, filteredUi( ui ) );
			},
			drag: function( event, ui ) {
				that._trigger( "drag", event, filteredUi( ui ) );
			},
			stop: function( event, ui ) {
				options.position = [
					ui.position.left - that.document.scrollLeft(),
					ui.position.top - that.document.scrollTop()
				];
				$( this ).removeClass("ui-dialog-dragging");
				that._unblockFrames();
				that._trigger( "dragStop", event, filteredUi( ui ) );
			}
		});
	},

	_makeResizable: function() {
		var that = this,
			options = this.options,
			handles = options.resizable,
			// .ui-resizable has position: relative defined in the stylesheet
			// but dialogs have to use absolute or fixed positioning
			position = this.uiDialog.css("position"),
			resizeHandles = typeof handles === "string" ?
				handles	:
				"n,e,s,w,se,sw,ne,nw";

		function filteredUi( ui ) {
			return {
				originalPosition: ui.originalPosition,
				originalSize: ui.originalSize,
				position: ui.position,
				size: ui.size
			};
		}

		this.uiDialog.resizable({
			cancel: ".ui-dialog-content",
			containment: "document",
			alsoResize: this.element,
			maxWidth: options.maxWidth,
			maxHeight: options.maxHeight,
			minWidth: options.minWidth,
			minHeight: this._minHeight(),
			handles: resizeHandles,
			start: function( event, ui ) {
				$( this ).addClass("ui-dialog-resizing");
				that._blockFrames();
				that._trigger( "resizeStart", event, filteredUi( ui ) );
			},
			resize: function( event, ui ) {
				that._trigger( "resize", event, filteredUi( ui ) );
			},
			stop: function( event, ui ) {
				options.height = $( this ).height();
				options.width = $( this ).width();
				$( this ).removeClass("ui-dialog-resizing");
				that._unblockFrames();
				that._trigger( "resizeStop", event, filteredUi( ui ) );
			}
		})
		.css( "position", position );
	},

	_minHeight: function() {
		var options = this.options;

		return options.height === "auto" ?
			options.minHeight :
			Math.min( options.minHeight, options.height );
	},

	_position: function() {
		// Need to show the dialog to get the actual offset in the position plugin
		var isVisible = this.uiDialog.is(":visible");
		if ( !isVisible ) {
			this.uiDialog.show();
		}
		this.uiDialog.position( this.options.position );
		if ( !isVisible ) {
			this.uiDialog.hide();
		}
	},

	_setOptions: function( options ) {
		var that = this,
			resize = false,
			resizableOptions = {};

		$.each( options, function( key, value ) {
			that._setOption( key, value );

			if ( key in sizeRelatedOptions ) {
				resize = true;
			}
			if ( key in resizableRelatedOptions ) {
				resizableOptions[ key ] = value;
			}
		});

		if ( resize ) {
			this._size();
			this._position();
		}
		if ( this.uiDialog.is(":data(ui-resizable)") ) {
			this.uiDialog.resizable( "option", resizableOptions );
		}
	},

	_setOption: function( key, value ) {
		/*jshint maxcomplexity:15*/
		var isDraggable, isResizable,
			uiDialog = this.uiDialog;

		if ( key === "dialogClass" ) {
			uiDialog
				.removeClass( this.options.dialogClass )
				.addClass( value );
		}

		if ( key === "disabled" ) {
			return;
		}

		this._super( key, value );

		if ( key === "appendTo" ) {
			this.uiDialog.appendTo( this._appendTo() );
		}

		if ( key === "buttons" ) {
			this._createButtons();
		}

		if ( key === "closeText" ) {
			this.uiDialogTitlebarClose.button({
				// Ensure that we always pass a string
				label: "" + value
			});
		}

		if ( key === "draggable" ) {
			isDraggable = uiDialog.is(":data(ui-draggable)");
			if ( isDraggable && !value ) {
				uiDialog.draggable("destroy");
			}

			if ( !isDraggable && value ) {
				this._makeDraggable();
			}
		}

		if ( key === "position" ) {
			this._position();
		}

		if ( key === "resizable" ) {
			// currently resizable, becoming non-resizable
			isResizable = uiDialog.is(":data(ui-resizable)");
			if ( isResizable && !value ) {
				uiDialog.resizable("destroy");
			}

			// currently resizable, changing handles
			if ( isResizable && typeof value === "string" ) {
				uiDialog.resizable( "option", "handles", value );
			}

			// currently non-resizable, becoming resizable
			if ( !isResizable && value !== false ) {
				this._makeResizable();
			}
		}

		if ( key === "title" ) {
			this._title( this.uiDialogTitlebar.find(".ui-dialog-title") );
		}
	},

	_size: function() {
		// If the user has resized the dialog, the .ui-dialog and .ui-dialog-content
		// divs will both have width and height set, so we need to reset them
		var nonContentHeight, minContentHeight, maxContentHeight,
			options = this.options;

		// Reset content sizing
		this.element.show().css({
			width: "auto",
			minHeight: 0,
			maxHeight: "none",
			height: 0
		});

		if ( options.minWidth > options.width ) {
			options.width = options.minWidth;
		}

		// reset wrapper sizing
		// determine the height of all the non-content elements
		nonContentHeight = this.uiDialog.css({
				height: "auto",
				width: options.width
			})
			.outerHeight();
		minContentHeight = Math.max( 0, options.minHeight - nonContentHeight );
		maxContentHeight = typeof options.maxHeight === "number" ?
			Math.max( 0, options.maxHeight - nonContentHeight ) :
			"none";

		if ( options.height === "auto" ) {
			this.element.css({
				minHeight: minContentHeight,
				maxHeight: maxContentHeight,
				height: "auto"
			});
		} else {
			this.element.height( Math.max( 0, options.height - nonContentHeight ) );
		}

		if (this.uiDialog.is(":data(ui-resizable)") ) {
			this.uiDialog.resizable( "option", "minHeight", this._minHeight() );
		}
	},

	_blockFrames: function() {
		this.iframeBlocks = this.document.find( "iframe" ).map(function() {
			var iframe = $( this );

			return $( "<div>" )
				.css({
					position: "absolute",
					width: iframe.outerWidth(),
					height: iframe.outerHeight()
				})
				.appendTo( iframe.parent() )
				.offset( iframe.offset() )[0];
		});
	},

	_unblockFrames: function() {
		if ( this.iframeBlocks ) {
			this.iframeBlocks.remove();
			delete this.iframeBlocks;
		}
	},

	_allowInteraction: function( event ) {
		if ( $( event.target ).closest(".ui-dialog").length ) {
			return true;
		}

		// TODO: Remove hack when datepicker implements
		// the .ui-front logic (#8989)
		return !!$( event.target ).closest(".ui-datepicker").length;
	},

	_createOverlay: function() {
		if ( !this.options.modal ) {
			return;
		}

		var that = this,
			widgetFullName = this.widgetFullName;
		if ( !$.ui.dialog.overlayInstances ) {
			// Prevent use of anchors and inputs.
			// We use a delay in case the overlay is created from an
			// event that we're going to be cancelling. (#2804)
			this._delay(function() {
				// Handle .dialog().dialog("close") (#4065)
				if ( $.ui.dialog.overlayInstances ) {
					this.document.bind( "focusin.dialog", function( event ) {
						if ( !that._allowInteraction( event ) ) {
							event.preventDefault();
							$(".ui-dialog:visible:last .ui-dialog-content")
								.data( widgetFullName )._focusTabbable();
						}
					});
				}
			});
		}

		this.overlay = $("<div>")
			.addClass("ui-widget-overlay ui-front")
			.appendTo( this._appendTo() );
		this._on( this.overlay, {
			mousedown: "_keepFocus"
		});
		$.ui.dialog.overlayInstances++;
	},

	_destroyOverlay: function() {
		if ( !this.options.modal ) {
			return;
		}

		if ( this.overlay ) {
			$.ui.dialog.overlayInstances--;

			if ( !$.ui.dialog.overlayInstances ) {
				this.document.unbind( "focusin.dialog" );
			}
			this.overlay.remove();
			this.overlay = null;
		}
	}
});

$.ui.dialog.overlayInstances = 0;

// DEPRECATED
if ( $.uiBackCompat !== false ) {
	// position option with array notation
	// just override with old implementation
	$.widget( "ui.dialog", $.ui.dialog, {
		_position: function() {
			var position = this.options.position,
				myAt = [],
				offset = [ 0, 0 ],
				isVisible;

			if ( position ) {
				if ( typeof position === "string" || (typeof position === "object" && "0" in position ) ) {
					myAt = position.split ? position.split(" ") : [ position[0], position[1] ];
					if ( myAt.length === 1 ) {
						myAt[1] = myAt[0];
					}

					$.each( [ "left", "top" ], function( i, offsetPosition ) {
						if ( +myAt[ i ] === myAt[ i ] ) {
							offset[ i ] = myAt[ i ];
							myAt[ i ] = offsetPosition;
						}
					});

					position = {
						my: myAt[0] + (offset[0] < 0 ? offset[0] : "+" + offset[0]) + " " +
							myAt[1] + (offset[1] < 0 ? offset[1] : "+" + offset[1]),
						at: myAt.join(" ")
					};
				}

				position = $.extend( {}, $.ui.dialog.prototype.options.position, position );
			} else {
				position = $.ui.dialog.prototype.options.position;
			}

			// need to show the dialog to get the actual offset in the position plugin
			isVisible = this.uiDialog.is(":visible");
			if ( !isVisible ) {
				this.uiDialog.show();
			}
			this.uiDialog.position( position );
			if ( !isVisible ) {
				this.uiDialog.hide();
			}
		}
	});
}

}( jQuery ) );

(function( $, undefined ) {

var rvertical = /up|down|vertical/,
	rpositivemotion = /up|left|vertical|horizontal/;

$.effects.effect.blind = function( o, done ) {
	// Create element
	var el = $( this ),
		props = [ "position", "top", "bottom", "left", "right", "height", "width" ],
		mode = $.effects.setMode( el, o.mode || "hide" ),
		direction = o.direction || "up",
		vertical = rvertical.test( direction ),
		ref = vertical ? "height" : "width",
		ref2 = vertical ? "top" : "left",
		motion = rpositivemotion.test( direction ),
		animation = {},
		show = mode === "show",
		wrapper, distance, margin;

	// if already wrapped, the wrapper's properties are my property. #6245
	if ( el.parent().is( ".ui-effects-wrapper" ) ) {
		$.effects.save( el.parent(), props );
	} else {
		$.effects.save( el, props );
	}
	el.show();
	wrapper = $.effects.createWrapper( el ).css({
		overflow: "hidden"
	});

	distance = wrapper[ ref ]();
	margin = parseFloat( wrapper.css( ref2 ) ) || 0;

	animation[ ref ] = show ? distance : 0;
	if ( !motion ) {
		el
			.css( vertical ? "bottom" : "right", 0 )
			.css( vertical ? "top" : "left", "auto" )
			.css({ position: "absolute" });

		animation[ ref2 ] = show ? margin : distance + margin;
	}

	// start at 0 if we are showing
	if ( show ) {
		wrapper.css( ref, 0 );
		if ( ! motion ) {
			wrapper.css( ref2, margin + distance );
		}
	}

	// Animate
	wrapper.animate( animation, {
		duration: o.duration,
		easing: o.easing,
		queue: false,
		complete: function() {
			if ( mode === "hide" ) {
				el.hide();
			}
			$.effects.restore( el, props );
			$.effects.removeWrapper( el );
			done();
		}
	});

};

})(jQuery);

(function( $, undefined ) {

$.effects.effect.bounce = function( o, done ) {
	var el = $( this ),
		props = [ "position", "top", "bottom", "left", "right", "height", "width" ],

		// defaults:
		mode = $.effects.setMode( el, o.mode || "effect" ),
		hide = mode === "hide",
		show = mode === "show",
		direction = o.direction || "up",
		distance = o.distance,
		times = o.times || 5,

		// number of internal animations
		anims = times * 2 + ( show || hide ? 1 : 0 ),
		speed = o.duration / anims,
		easing = o.easing,

		// utility:
		ref = ( direction === "up" || direction === "down" ) ? "top" : "left",
		motion = ( direction === "up" || direction === "left" ),
		i,
		upAnim,
		downAnim,

		// we will need to re-assemble the queue to stack our animations in place
		queue = el.queue(),
		queuelen = queue.length;

	// Avoid touching opacity to prevent clearType and PNG issues in IE
	if ( show || hide ) {
		props.push( "opacity" );
	}

	$.effects.save( el, props );
	el.show();
	$.effects.createWrapper( el ); // Create Wrapper

	// default distance for the BIGGEST bounce is the outer Distance / 3
	if ( !distance ) {
		distance = el[ ref === "top" ? "outerHeight" : "outerWidth" ]() / 3;
	}

	if ( show ) {
		downAnim = { opacity: 1 };
		downAnim[ ref ] = 0;

		// if we are showing, force opacity 0 and set the initial position
		// then do the "first" animation
		el.css( "opacity", 0 )
			.css( ref, motion ? -distance * 2 : distance * 2 )
			.animate( downAnim, speed, easing );
	}

	// start at the smallest distance if we are hiding
	if ( hide ) {
		distance = distance / Math.pow( 2, times - 1 );
	}

	downAnim = {};
	downAnim[ ref ] = 0;
	// Bounces up/down/left/right then back to 0 -- times * 2 animations happen here
	for ( i = 0; i < times; i++ ) {
		upAnim = {};
		upAnim[ ref ] = ( motion ? "-=" : "+=" ) + distance;

		el.animate( upAnim, speed, easing )
			.animate( downAnim, speed, easing );

		distance = hide ? distance * 2 : distance / 2;
	}

	// Last Bounce when Hiding
	if ( hide ) {
		upAnim = { opacity: 0 };
		upAnim[ ref ] = ( motion ? "-=" : "+=" ) + distance;

		el.animate( upAnim, speed, easing );
	}

	el.queue(function() {
		if ( hide ) {
			el.hide();
		}
		$.effects.restore( el, props );
		$.effects.removeWrapper( el );
		done();
	});

	// inject all the animations we just queued to be first in line (after "inprogress")
	if ( queuelen > 1) {
		queue.splice.apply( queue,
			[ 1, 0 ].concat( queue.splice( queuelen, anims + 1 ) ) );
	}
	el.dequeue();

};

})(jQuery);

(function( $, undefined ) {

$.effects.effect.clip = function( o, done ) {
	// Create element
	var el = $( this ),
		props = [ "position", "top", "bottom", "left", "right", "height", "width" ],
		mode = $.effects.setMode( el, o.mode || "hide" ),
		show = mode === "show",
		direction = o.direction || "vertical",
		vert = direction === "vertical",
		size = vert ? "height" : "width",
		position = vert ? "top" : "left",
		animation = {},
		wrapper, animate, distance;

	// Save & Show
	$.effects.save( el, props );
	el.show();

	// Create Wrapper
	wrapper = $.effects.createWrapper( el ).css({
		overflow: "hidden"
	});
	animate = ( el[0].tagName === "IMG" ) ? wrapper : el;
	distance = animate[ size ]();

	// Shift
	if ( show ) {
		animate.css( size, 0 );
		animate.css( position, distance / 2 );
	}

	// Create Animation Object:
	animation[ size ] = show ? distance : 0;
	animation[ position ] = show ? 0 : distance / 2;

	// Animate
	animate.animate( animation, {
		queue: false,
		duration: o.duration,
		easing: o.easing,
		complete: function() {
			if ( !show ) {
				el.hide();
			}
			$.effects.restore( el, props );
			$.effects.removeWrapper( el );
			done();
		}
	});

};

})(jQuery);

(function( $, undefined ) {

$.effects.effect.drop = function( o, done ) {

	var el = $( this ),
		props = [ "position", "top", "bottom", "left", "right", "opacity", "height", "width" ],
		mode = $.effects.setMode( el, o.mode || "hide" ),
		show = mode === "show",
		direction = o.direction || "left",
		ref = ( direction === "up" || direction === "down" ) ? "top" : "left",
		motion = ( direction === "up" || direction === "left" ) ? "pos" : "neg",
		animation = {
			opacity: show ? 1 : 0
		},
		distance;

	// Adjust
	$.effects.save( el, props );
	el.show();
	$.effects.createWrapper( el );

	distance = o.distance || el[ ref === "top" ? "outerHeight": "outerWidth" ]( true ) / 2;

	if ( show ) {
		el
			.css( "opacity", 0 )
			.css( ref, motion === "pos" ? -distance : distance );
	}

	// Animation
	animation[ ref ] = ( show ?
		( motion === "pos" ? "+=" : "-=" ) :
		( motion === "pos" ? "-=" : "+=" ) ) +
		distance;

	// Animate
	el.animate( animation, {
		queue: false,
		duration: o.duration,
		easing: o.easing,
		complete: function() {
			if ( mode === "hide" ) {
				el.hide();
			}
			$.effects.restore( el, props );
			$.effects.removeWrapper( el );
			done();
		}
	});
};

})(jQuery);

(function( $, undefined ) {

$.effects.effect.explode = function( o, done ) {

	var rows = o.pieces ? Math.round( Math.sqrt( o.pieces ) ) : 3,
		cells = rows,
		el = $( this ),
		mode = $.effects.setMode( el, o.mode || "hide" ),
		show = mode === "show",

		// show and then visibility:hidden the element before calculating offset
		offset = el.show().css( "visibility", "hidden" ).offset(),

		// width and height of a piece
		width = Math.ceil( el.outerWidth() / cells ),
		height = Math.ceil( el.outerHeight() / rows ),
		pieces = [],

		// loop
		i, j, left, top, mx, my;

	// children animate complete:
	function childComplete() {
		pieces.push( this );
		if ( pieces.length === rows * cells ) {
			animComplete();
		}
	}

	// clone the element for each row and cell.
	for( i = 0; i < rows ; i++ ) { // ===>
		top = offset.top + i * height;
		my = i - ( rows - 1 ) / 2 ;

		for( j = 0; j < cells ; j++ ) { // |||
			left = offset.left + j * width;
			mx = j - ( cells - 1 ) / 2 ;

			// Create a clone of the now hidden main element that will be absolute positioned
			// within a wrapper div off the -left and -top equal to size of our pieces
			el
				.clone()
				.appendTo( "body" )
				.wrap( "<div></div>" )
				.css({
					position: "absolute",
					visibility: "visible",
					left: -j * width,
					top: -i * height
				})

			// select the wrapper - make it overflow: hidden and absolute positioned based on
			// where the original was located +left and +top equal to the size of pieces
				.parent()
				.addClass( "ui-effects-explode" )
				.css({
					position: "absolute",
					overflow: "hidden",
					width: width,
					height: height,
					left: left + ( show ? mx * width : 0 ),
					top: top + ( show ? my * height : 0 ),
					opacity: show ? 0 : 1
				}).animate({
					left: left + ( show ? 0 : mx * width ),
					top: top + ( show ? 0 : my * height ),
					opacity: show ? 1 : 0
				}, o.duration || 500, o.easing, childComplete );
		}
	}

	function animComplete() {
		el.css({
			visibility: "visible"
		});
		$( pieces ).remove();
		if ( !show ) {
			el.hide();
		}
		done();
	}
};

})(jQuery);

(function( $, undefined ) {

$.effects.effect.fade = function( o, done ) {
	var el = $( this ),
		mode = $.effects.setMode( el, o.mode || "toggle" );

	el.animate({
		opacity: mode
	}, {
		queue: false,
		duration: o.duration,
		easing: o.easing,
		complete: done
	});
};

})( jQuery );

(function( $, undefined ) {

$.effects.effect.fold = function( o, done ) {

	// Create element
	var el = $( this ),
		props = [ "position", "top", "bottom", "left", "right", "height", "width" ],
		mode = $.effects.setMode( el, o.mode || "hide" ),
		show = mode === "show",
		hide = mode === "hide",
		size = o.size || 15,
		percent = /([0-9]+)%/.exec( size ),
		horizFirst = !!o.horizFirst,
		widthFirst = show !== horizFirst,
		ref = widthFirst ? [ "width", "height" ] : [ "height", "width" ],
		duration = o.duration / 2,
		wrapper, distance,
		animation1 = {},
		animation2 = {};

	$.effects.save( el, props );
	el.show();

	// Create Wrapper
	wrapper = $.effects.createWrapper( el ).css({
		overflow: "hidden"
	});
	distance = widthFirst ?
		[ wrapper.width(), wrapper.height() ] :
		[ wrapper.height(), wrapper.width() ];

	if ( percent ) {
		size = parseInt( percent[ 1 ], 10 ) / 100 * distance[ hide ? 0 : 1 ];
	}
	if ( show ) {
		wrapper.css( horizFirst ? {
			height: 0,
			width: size
		} : {
			height: size,
			width: 0
		});
	}

	// Animation
	animation1[ ref[ 0 ] ] = show ? distance[ 0 ] : size;
	animation2[ ref[ 1 ] ] = show ? distance[ 1 ] : 0;

	// Animate
	wrapper
		.animate( animation1, duration, o.easing )
		.animate( animation2, duration, o.easing, function() {
			if ( hide ) {
				el.hide();
			}
			$.effects.restore( el, props );
			$.effects.removeWrapper( el );
			done();
		});

};

})(jQuery);

(function( $, undefined ) {

$.effects.effect.highlight = function( o, done ) {
	var elem = $( this ),
		props = [ "backgroundImage", "backgroundColor", "opacity" ],
		mode = $.effects.setMode( elem, o.mode || "show" ),
		animation = {
			backgroundColor: elem.css( "backgroundColor" )
		};

	if (mode === "hide") {
		animation.opacity = 0;
	}

	$.effects.save( elem, props );

	elem
		.show()
		.css({
			backgroundImage: "none",
			backgroundColor: o.color || "#ffff99"
		})
		.animate( animation, {
			queue: false,
			duration: o.duration,
			easing: o.easing,
			complete: function() {
				if ( mode === "hide" ) {
					elem.hide();
				}
				$.effects.restore( elem, props );
				done();
			}
		});
};

})(jQuery);

(function( $, undefined ) {

$.effects.effect.pulsate = function( o, done ) {
	var elem = $( this ),
		mode = $.effects.setMode( elem, o.mode || "show" ),
		show = mode === "show",
		hide = mode === "hide",
		showhide = ( show || mode === "hide" ),

		// showing or hiding leaves of the "last" animation
		anims = ( ( o.times || 5 ) * 2 ) + ( showhide ? 1 : 0 ),
		duration = o.duration / anims,
		animateTo = 0,
		queue = elem.queue(),
		queuelen = queue.length,
		i;

	if ( show || !elem.is(":visible")) {
		elem.css( "opacity", 0 ).show();
		animateTo = 1;
	}

	// anims - 1 opacity "toggles"
	for ( i = 1; i < anims; i++ ) {
		elem.animate({
			opacity: animateTo
		}, duration, o.easing );
		animateTo = 1 - animateTo;
	}

	elem.animate({
		opacity: animateTo
	}, duration, o.easing);

	elem.queue(function() {
		if ( hide ) {
			elem.hide();
		}
		done();
	});

	// We just queued up "anims" animations, we need to put them next in the queue
	if ( queuelen > 1 ) {
		queue.splice.apply( queue,
			[ 1, 0 ].concat( queue.splice( queuelen, anims + 1 ) ) );
	}
	elem.dequeue();
};

})(jQuery);

(function( $, undefined ) {

$.effects.effect.puff = function( o, done ) {
	var elem = $( this ),
		mode = $.effects.setMode( elem, o.mode || "hide" ),
		hide = mode === "hide",
		percent = parseInt( o.percent, 10 ) || 150,
		factor = percent / 100,
		original = {
			height: elem.height(),
			width: elem.width(),
			outerHeight: elem.outerHeight(),
			outerWidth: elem.outerWidth()
		};

	$.extend( o, {
		effect: "scale",
		queue: false,
		fade: true,
		mode: mode,
		complete: done,
		percent: hide ? percent : 100,
		from: hide ?
			original :
			{
				height: original.height * factor,
				width: original.width * factor,
				outerHeight: original.outerHeight * factor,
				outerWidth: original.outerWidth * factor
			}
	});

	elem.effect( o );
};

$.effects.effect.scale = function( o, done ) {

	// Create element
	var el = $( this ),
		options = $.extend( true, {}, o ),
		mode = $.effects.setMode( el, o.mode || "effect" ),
		percent = parseInt( o.percent, 10 ) ||
			( parseInt( o.percent, 10 ) === 0 ? 0 : ( mode === "hide" ? 0 : 100 ) ),
		direction = o.direction || "both",
		origin = o.origin,
		original = {
			height: el.height(),
			width: el.width(),
			outerHeight: el.outerHeight(),
			outerWidth: el.outerWidth()
		},
		factor = {
			y: direction !== "horizontal" ? (percent / 100) : 1,
			x: direction !== "vertical" ? (percent / 100) : 1
		};

	// We are going to pass this effect to the size effect:
	options.effect = "size";
	options.queue = false;
	options.complete = done;

	// Set default origin and restore for show/hide
	if ( mode !== "effect" ) {
		options.origin = origin || ["middle","center"];
		options.restore = true;
	}

	options.from = o.from || ( mode === "show" ? {
		height: 0,
		width: 0,
		outerHeight: 0,
		outerWidth: 0
	} : original );
	options.to = {
		height: original.height * factor.y,
		width: original.width * factor.x,
		outerHeight: original.outerHeight * factor.y,
		outerWidth: original.outerWidth * factor.x
	};

	// Fade option to support puff
	if ( options.fade ) {
		if ( mode === "show" ) {
			options.from.opacity = 0;
			options.to.opacity = 1;
		}
		if ( mode === "hide" ) {
			options.from.opacity = 1;
			options.to.opacity = 0;
		}
	}

	// Animate
	el.effect( options );

};

$.effects.effect.size = function( o, done ) {

	// Create element
	var original, baseline, factor,
		el = $( this ),
		props0 = [ "position", "top", "bottom", "left", "right", "width", "height", "overflow", "opacity" ],

		// Always restore
		props1 = [ "position", "top", "bottom", "left", "right", "overflow", "opacity" ],

		// Copy for children
		props2 = [ "width", "height", "overflow" ],
		cProps = [ "fontSize" ],
		vProps = [ "borderTopWidth", "borderBottomWidth", "paddingTop", "paddingBottom" ],
		hProps = [ "borderLeftWidth", "borderRightWidth", "paddingLeft", "paddingRight" ],

		// Set options
		mode = $.effects.setMode( el, o.mode || "effect" ),
		restore = o.restore || mode !== "effect",
		scale = o.scale || "both",
		origin = o.origin || [ "middle", "center" ],
		position = el.css( "position" ),
		props = restore ? props0 : props1,
		zero = {
			height: 0,
			width: 0,
			outerHeight: 0,
			outerWidth: 0
		};

	if ( mode === "show" ) {
		el.show();
	}
	original = {
		height: el.height(),
		width: el.width(),
		outerHeight: el.outerHeight(),
		outerWidth: el.outerWidth()
	};

	if ( o.mode === "toggle" && mode === "show" ) {
		el.from = o.to || zero;
		el.to = o.from || original;
	} else {
		el.from = o.from || ( mode === "show" ? zero : original );
		el.to = o.to || ( mode === "hide" ? zero : original );
	}

	// Set scaling factor
	factor = {
		from: {
			y: el.from.height / original.height,
			x: el.from.width / original.width
		},
		to: {
			y: el.to.height / original.height,
			x: el.to.width / original.width
		}
	};

	// Scale the css box
	if ( scale === "box" || scale === "both" ) {

		// Vertical props scaling
		if ( factor.from.y !== factor.to.y ) {
			props = props.concat( vProps );
			el.from = $.effects.setTransition( el, vProps, factor.from.y, el.from );
			el.to = $.effects.setTransition( el, vProps, factor.to.y, el.to );
		}

		// Horizontal props scaling
		if ( factor.from.x !== factor.to.x ) {
			props = props.concat( hProps );
			el.from = $.effects.setTransition( el, hProps, factor.from.x, el.from );
			el.to = $.effects.setTransition( el, hProps, factor.to.x, el.to );
		}
	}

	// Scale the content
	if ( scale === "content" || scale === "both" ) {

		// Vertical props scaling
		if ( factor.from.y !== factor.to.y ) {
			props = props.concat( cProps ).concat( props2 );
			el.from = $.effects.setTransition( el, cProps, factor.from.y, el.from );
			el.to = $.effects.setTransition( el, cProps, factor.to.y, el.to );
		}
	}

	$.effects.save( el, props );
	el.show();
	$.effects.createWrapper( el );
	el.css( "overflow", "hidden" ).css( el.from );

	// Adjust
	if (origin) { // Calculate baseline shifts
		baseline = $.effects.getBaseline( origin, original );
		el.from.top = ( original.outerHeight - el.outerHeight() ) * baseline.y;
		el.from.left = ( original.outerWidth - el.outerWidth() ) * baseline.x;
		el.to.top = ( original.outerHeight - el.to.outerHeight ) * baseline.y;
		el.to.left = ( original.outerWidth - el.to.outerWidth ) * baseline.x;
	}
	el.css( el.from ); // set top & left

	// Animate
	if ( scale === "content" || scale === "both" ) { // Scale the children

		// Add margins/font-size
		vProps = vProps.concat([ "marginTop", "marginBottom" ]).concat(cProps);
		hProps = hProps.concat([ "marginLeft", "marginRight" ]);
		props2 = props0.concat(vProps).concat(hProps);

		el.find( "*[width]" ).each( function(){
			var child = $( this ),
				c_original = {
					height: child.height(),
					width: child.width(),
					outerHeight: child.outerHeight(),
					outerWidth: child.outerWidth()
				};
			if (restore) {
				$.effects.save(child, props2);
			}

			child.from = {
				height: c_original.height * factor.from.y,
				width: c_original.width * factor.from.x,
				outerHeight: c_original.outerHeight * factor.from.y,
				outerWidth: c_original.outerWidth * factor.from.x
			};
			child.to = {
				height: c_original.height * factor.to.y,
				width: c_original.width * factor.to.x,
				outerHeight: c_original.height * factor.to.y,
				outerWidth: c_original.width * factor.to.x
			};

			// Vertical props scaling
			if ( factor.from.y !== factor.to.y ) {
				child.from = $.effects.setTransition( child, vProps, factor.from.y, child.from );
				child.to = $.effects.setTransition( child, vProps, factor.to.y, child.to );
			}

			// Horizontal props scaling
			if ( factor.from.x !== factor.to.x ) {
				child.from = $.effects.setTransition( child, hProps, factor.from.x, child.from );
				child.to = $.effects.setTransition( child, hProps, factor.to.x, child.to );
			}

			// Animate children
			child.css( child.from );
			child.animate( child.to, o.duration, o.easing, function() {

				// Restore children
				if ( restore ) {
					$.effects.restore( child, props2 );
				}
			});
		});
	}

	// Animate
	el.animate( el.to, {
		queue: false,
		duration: o.duration,
		easing: o.easing,
		complete: function() {
			if ( el.to.opacity === 0 ) {
				el.css( "opacity", el.from.opacity );
			}
			if( mode === "hide" ) {
				el.hide();
			}
			$.effects.restore( el, props );
			if ( !restore ) {

				// we need to calculate our new positioning based on the scaling
				if ( position === "static" ) {
					el.css({
						position: "relative",
						top: el.to.top,
						left: el.to.left
					});
				} else {
					$.each([ "top", "left" ], function( idx, pos ) {
						el.css( pos, function( _, str ) {
							var val = parseInt( str, 10 ),
								toRef = idx ? el.to.left : el.to.top;

							// if original was "auto", recalculate the new value from wrapper
							if ( str === "auto" ) {
								return toRef + "px";
							}

							return val + toRef + "px";
						});
					});
				}
			}

			$.effects.removeWrapper( el );
			done();
		}
	});

};

})(jQuery);

(function( $, undefined ) {

$.effects.effect.shake = function( o, done ) {

	var el = $( this ),
		props = [ "position", "top", "bottom", "left", "right", "height", "width" ],
		mode = $.effects.setMode( el, o.mode || "effect" ),
		direction = o.direction || "left",
		distance = o.distance || 20,
		times = o.times || 3,
		anims = times * 2 + 1,
		speed = Math.round(o.duration/anims),
		ref = (direction === "up" || direction === "down") ? "top" : "left",
		positiveMotion = (direction === "up" || direction === "left"),
		animation = {},
		animation1 = {},
		animation2 = {},
		i,

		// we will need to re-assemble the queue to stack our animations in place
		queue = el.queue(),
		queuelen = queue.length;

	$.effects.save( el, props );
	el.show();
	$.effects.createWrapper( el );

	// Animation
	animation[ ref ] = ( positiveMotion ? "-=" : "+=" ) + distance;
	animation1[ ref ] = ( positiveMotion ? "+=" : "-=" ) + distance * 2;
	animation2[ ref ] = ( positiveMotion ? "-=" : "+=" ) + distance * 2;

	// Animate
	el.animate( animation, speed, o.easing );

	// Shakes
	for ( i = 1; i < times; i++ ) {
		el.animate( animation1, speed, o.easing ).animate( animation2, speed, o.easing );
	}
	el
		.animate( animation1, speed, o.easing )
		.animate( animation, speed / 2, o.easing )
		.queue(function() {
			if ( mode === "hide" ) {
				el.hide();
			}
			$.effects.restore( el, props );
			$.effects.removeWrapper( el );
			done();
		});

	// inject all the animations we just queued to be first in line (after "inprogress")
	if ( queuelen > 1) {
		queue.splice.apply( queue,
			[ 1, 0 ].concat( queue.splice( queuelen, anims + 1 ) ) );
	}
	el.dequeue();

};

})(jQuery);

(function( $, undefined ) {

$.effects.effect.slide = function( o, done ) {

	// Create element
	var el = $( this ),
		props = [ "position", "top", "bottom", "left", "right", "width", "height" ],
		mode = $.effects.setMode( el, o.mode || "show" ),
		show = mode === "show",
		direction = o.direction || "left",
		ref = (direction === "up" || direction === "down") ? "top" : "left",
		positiveMotion = (direction === "up" || direction === "left"),
		distance,
		animation = {};

	// Adjust
	$.effects.save( el, props );
	el.show();
	distance = o.distance || el[ ref === "top" ? "outerHeight" : "outerWidth" ]( true );

	$.effects.createWrapper( el ).css({
		overflow: "hidden"
	});

	if ( show ) {
		el.css( ref, positiveMotion ? (isNaN(distance) ? "-" + distance : -distance) : distance );
	}

	// Animation
	animation[ ref ] = ( show ?
		( positiveMotion ? "+=" : "-=") :
		( positiveMotion ? "-=" : "+=")) +
		distance;

	// Animate
	el.animate( animation, {
		queue: false,
		duration: o.duration,
		easing: o.easing,
		complete: function() {
			if ( mode === "hide" ) {
				el.hide();
			}
			$.effects.restore( el, props );
			$.effects.removeWrapper( el );
			done();
		}
	});
};

})(jQuery);

(function( $, undefined ) {

$.effects.effect.transfer = function( o, done ) {
	var elem = $( this ),
		target = $( o.to ),
		targetFixed = target.css( "position" ) === "fixed",
		body = $("body"),
		fixTop = targetFixed ? body.scrollTop() : 0,
		fixLeft = targetFixed ? body.scrollLeft() : 0,
		endPosition = target.offset(),
		animation = {
			top: endPosition.top - fixTop ,
			left: endPosition.left - fixLeft ,
			height: target.innerHeight(),
			width: target.innerWidth()
		},
		startPosition = elem.offset(),
		transfer = $( "<div class='ui-effects-transfer'></div>" )
			.appendTo( document.body )
			.addClass( o.className )
			.css({
				top: startPosition.top - fixTop ,
				left: startPosition.left - fixLeft ,
				height: elem.innerHeight(),
				width: elem.innerWidth(),
				position: targetFixed ? "fixed" : "absolute"
			})
			.animate( animation, o.duration, o.easing, function() {
				transfer.remove();
				done();
			});
};

})(jQuery);

(function( $, undefined ) {

$.widget( "ui.menu", {
	version: "1.10.2",
	defaultElement: "<ul>",
	delay: 300,
	options: {
		icons: {
			submenu: "ui-icon-carat-1-e"
		},
		menus: "ul",
		position: {
			my: "left top",
			at: "right top"
		},
		role: "menu",

		// callbacks
		blur: null,
		focus: null,
		select: null
	},

	_create: function() {
		this.activeMenu = this.element;
		// flag used to prevent firing of the click handler
		// as the event bubbles up through nested menus
		this.mouseHandled = false;
		this.element
			.uniqueId()
			.addClass( "ui-menu ui-widget ui-widget-content ui-corner-all" )
			.toggleClass( "ui-menu-icons", !!this.element.find( ".ui-icon" ).length )
			.attr({
				role: this.options.role,
				tabIndex: 0
			})
			// need to catch all clicks on disabled menu
			// not possible through _on
			.bind( "click" + this.eventNamespace, $.proxy(function( event ) {
				if ( this.options.disabled ) {
					event.preventDefault();
				}
			}, this ));

		if ( this.options.disabled ) {
			this.element
				.addClass( "ui-state-disabled" )
				.attr( "aria-disabled", "true" );
		}

		this._on({
			// Prevent focus from sticking to links inside menu after clicking
			// them (focus should always stay on UL during navigation).
			"mousedown .ui-menu-item > a": function( event ) {
				event.preventDefault();
			},
			"click .ui-state-disabled > a": function( event ) {
				event.preventDefault();
			},
			"click .ui-menu-item:has(a)": function( event ) {
				var target = $( event.target ).closest( ".ui-menu-item" );
				if ( !this.mouseHandled && target.not( ".ui-state-disabled" ).length ) {
					this.mouseHandled = true;

					this.select( event );
					// Open submenu on click
					if ( target.has( ".ui-menu" ).length ) {
						this.expand( event );
					} else if ( !this.element.is( ":focus" ) ) {
						// Redirect focus to the menu
						this.element.trigger( "focus", [ true ] );

						// If the active item is on the top level, let it stay active.
						// Otherwise, blur the active item since it is no longer visible.
						if ( this.active && this.active.parents( ".ui-menu" ).length === 1 ) {
							clearTimeout( this.timer );
						}
					}
				}
			},
			"mouseenter .ui-menu-item": function( event ) {
				var target = $( event.currentTarget );
				// Remove ui-state-active class from siblings of the newly focused menu item
				// to avoid a jump caused by adjacent elements both having a class with a border
				target.siblings().children( ".ui-state-active" ).removeClass( "ui-state-active" );
				this.focus( event, target );
			},
			mouseleave: "collapseAll",
			"mouseleave .ui-menu": "collapseAll",
			focus: function( event, keepActiveItem ) {
				// If there's already an active item, keep it active
				// If not, activate the first item
				var item = this.active || this.element.children( ".ui-menu-item" ).eq( 0 );

				if ( !keepActiveItem ) {
					this.focus( event, item );
				}
			},
			blur: function( event ) {
				this._delay(function() {
					if ( !$.contains( this.element[0], this.document[0].activeElement ) ) {
						this.collapseAll( event );
					}
				});
			},
			keydown: "_keydown"
		});

		this.refresh();

		// Clicks outside of a menu collapse any open menus
		this._on( this.document, {
			click: function( event ) {
				if ( !$( event.target ).closest( ".ui-menu" ).length ) {
					this.collapseAll( event );
				}

				// Reset the mouseHandled flag
				this.mouseHandled = false;
			}
		});
	},

	_destroy: function() {
		// Destroy (sub)menus
		this.element
			.removeAttr( "aria-activedescendant" )
			.find( ".ui-menu" ).addBack()
				.removeClass( "ui-menu ui-widget ui-widget-content ui-corner-all ui-menu-icons" )
				.removeAttr( "role" )
				.removeAttr( "tabIndex" )
				.removeAttr( "aria-labelledby" )
				.removeAttr( "aria-expanded" )
				.removeAttr( "aria-hidden" )
				.removeAttr( "aria-disabled" )
				.removeUniqueId()
				.show();

		// Destroy menu items
		this.element.find( ".ui-menu-item" )
			.removeClass( "ui-menu-item" )
			.removeAttr( "role" )
			.removeAttr( "aria-disabled" )
			.children( "a" )
				.removeUniqueId()
				.removeClass( "ui-corner-all ui-state-hover" )
				.removeAttr( "tabIndex" )
				.removeAttr( "role" )
				.removeAttr( "aria-haspopup" )
				.children().each( function() {
					var elem = $( this );
					if ( elem.data( "ui-menu-submenu-carat" ) ) {
						elem.remove();
					}
				});

		// Destroy menu dividers
		this.element.find( ".ui-menu-divider" ).removeClass( "ui-menu-divider ui-widget-content" );
	},

	_keydown: function( event ) {
		/*jshint maxcomplexity:20*/
		var match, prev, character, skip, regex,
			preventDefault = true;

		function escape( value ) {
			return value.replace( /[\-\[\]{}()*+?.,\\\^$|#\s]/g, "\\$&" );
		}

		switch ( event.keyCode ) {
		case $.ui.keyCode.PAGE_UP:
			this.previousPage( event );
			break;
		case $.ui.keyCode.PAGE_DOWN:
			this.nextPage( event );
			break;
		case $.ui.keyCode.HOME:
			this._move( "first", "first", event );
			break;
		case $.ui.keyCode.END:
			this._move( "last", "last", event );
			break;
		case $.ui.keyCode.UP:
			this.previous( event );
			break;
		case $.ui.keyCode.DOWN:
			this.next( event );
			break;
		case $.ui.keyCode.LEFT:
			this.collapse( event );
			break;
		case $.ui.keyCode.RIGHT:
			if ( this.active && !this.active.is( ".ui-state-disabled" ) ) {
				this.expand( event );
			}
			break;
		case $.ui.keyCode.ENTER:
		case $.ui.keyCode.SPACE:
			this._activate( event );
			break;
		case $.ui.keyCode.ESCAPE:
			this.collapse( event );
			break;
		default:
			preventDefault = false;
			prev = this.previousFilter || "";
			character = String.fromCharCode( event.keyCode );
			skip = false;

			clearTimeout( this.filterTimer );

			if ( character === prev ) {
				skip = true;
			} else {
				character = prev + character;
			}

			regex = new RegExp( "^" + escape( character ), "i" );
			match = this.activeMenu.children( ".ui-menu-item" ).filter(function() {
				return regex.test( $( this ).children( "a" ).text() );
			});
			match = skip && match.index( this.active.next() ) !== -1 ?
				this.active.nextAll( ".ui-menu-item" ) :
				match;

			// If no matches on the current filter, reset to the last character pressed
			// to move down the menu to the first item that starts with that character
			if ( !match.length ) {
				character = String.fromCharCode( event.keyCode );
				regex = new RegExp( "^" + escape( character ), "i" );
				match = this.activeMenu.children( ".ui-menu-item" ).filter(function() {
					return regex.test( $( this ).children( "a" ).text() );
				});
			}

			if ( match.length ) {
				this.focus( event, match );
				if ( match.length > 1 ) {
					this.previousFilter = character;
					this.filterTimer = this._delay(function() {
						delete this.previousFilter;
					}, 1000 );
				} else {
					delete this.previousFilter;
				}
			} else {
				delete this.previousFilter;
			}
		}

		if ( preventDefault ) {
			event.preventDefault();
		}
	},

	_activate: function( event ) {
		if ( !this.active.is( ".ui-state-disabled" ) ) {
			if ( this.active.children( "a[aria-haspopup='true']" ).length ) {
				this.expand( event );
			} else {
				this.select( event );
			}
		}
	},

	refresh: function() {
		var menus,
			icon = this.options.icons.submenu,
			submenus = this.element.find( this.options.menus );

		// Initialize nested menus
		submenus.filter( ":not(.ui-menu)" )
			.addClass( "ui-menu ui-widget ui-widget-content ui-corner-all" )
			.hide()
			.attr({
				role: this.options.role,
				"aria-hidden": "true",
				"aria-expanded": "false"
			})
			.each(function() {
				var menu = $( this ),
					item = menu.prev( "a" ),
					submenuCarat = $( "<span>" )
						.addClass( "ui-menu-icon ui-icon " + icon )
						.data( "ui-menu-submenu-carat", true );

				item
					.attr( "aria-haspopup", "true" )
					.prepend( submenuCarat );
				menu.attr( "aria-labelledby", item.attr( "id" ) );
			});

		menus = submenus.add( this.element );

		// Don't refresh list items that are already adapted
		menus.children( ":not(.ui-menu-item):has(a)" )
			.addClass( "ui-menu-item" )
			.attr( "role", "presentation" )
			.children( "a" )
				.uniqueId()
				.addClass( "ui-corner-all" )
				.attr({
					tabIndex: -1,
					role: this._itemRole()
				});

		// Initialize unlinked menu-items containing spaces and/or dashes only as dividers
		menus.children( ":not(.ui-menu-item)" ).each(function() {
			var item = $( this );
			// hyphen, em dash, en dash
			if ( !/[^\-\u2014\u2013\s]/.test( item.text() ) ) {
				item.addClass( "ui-widget-content ui-menu-divider" );
			}
		});

		// Add aria-disabled attribute to any disabled menu item
		menus.children( ".ui-state-disabled" ).attr( "aria-disabled", "true" );

		// If the active item has been removed, blur the menu
		if ( this.active && !$.contains( this.element[ 0 ], this.active[ 0 ] ) ) {
			this.blur();
		}
	},

	_itemRole: function() {
		return {
			menu: "menuitem",
			listbox: "option"
		}[ this.options.role ];
	},

	_setOption: function( key, value ) {
		if ( key === "icons" ) {
			this.element.find( ".ui-menu-icon" )
				.removeClass( this.options.icons.submenu )
				.addClass( value.submenu );
		}
		this._super( key, value );
	},

	focus: function( event, item ) {
		var nested, focused;
		this.blur( event, event && event.type === "focus" );

		this._scrollIntoView( item );

		this.active = item.first();
		focused = this.active.children( "a" ).addClass( "ui-state-focus" );
		// Only update aria-activedescendant if there's a role
		// otherwise we assume focus is managed elsewhere
		if ( this.options.role ) {
			this.element.attr( "aria-activedescendant", focused.attr( "id" ) );
		}

		// Highlight active parent menu item, if any
		this.active
			.parent()
			.closest( ".ui-menu-item" )
			.children( "a:first" )
			.addClass( "ui-state-active" );

		if ( event && event.type === "keydown" ) {
			this._close();
		} else {
			this.timer = this._delay(function() {
				this._close();
			}, this.delay );
		}

		nested = item.children( ".ui-menu" );
		if ( nested.length && ( /^mouse/.test( event.type ) ) ) {
			this._startOpening(nested);
		}
		this.activeMenu = item.parent();

		this._trigger( "focus", event, { item: item } );
	},

	_scrollIntoView: function( item ) {
		var borderTop, paddingTop, offset, scroll, elementHeight, itemHeight;
		if ( this._hasScroll() ) {
			borderTop = parseFloat( $.css( this.activeMenu[0], "borderTopWidth" ) ) || 0;
			paddingTop = parseFloat( $.css( this.activeMenu[0], "paddingTop" ) ) || 0;
			offset = item.offset().top - this.activeMenu.offset().top - borderTop - paddingTop;
			scroll = this.activeMenu.scrollTop();
			elementHeight = this.activeMenu.height();
			itemHeight = item.height();

			if ( offset < 0 ) {
				this.activeMenu.scrollTop( scroll + offset );
			} else if ( offset + itemHeight > elementHeight ) {
				this.activeMenu.scrollTop( scroll + offset - elementHeight + itemHeight );
			}
		}
	},

	blur: function( event, fromFocus ) {
		if ( !fromFocus ) {
			clearTimeout( this.timer );
		}

		if ( !this.active ) {
			return;
		}

		this.active.children( "a" ).removeClass( "ui-state-focus" );
		this.active = null;

		this._trigger( "blur", event, { item: this.active } );
	},

	_startOpening: function( submenu ) {
		clearTimeout( this.timer );

		// Don't open if already open fixes a Firefox bug that caused a .5 pixel
		// shift in the submenu position when mousing over the carat icon
		if ( submenu.attr( "aria-hidden" ) !== "true" ) {
			return;
		}

		this.timer = this._delay(function() {
			this._close();
			this._open( submenu );
		}, this.delay );
	},

	_open: function( submenu ) {
		var position = $.extend({
			of: this.active
		}, this.options.position );

		clearTimeout( this.timer );
		this.element.find( ".ui-menu" ).not( submenu.parents( ".ui-menu" ) )
			.hide()
			.attr( "aria-hidden", "true" );

		submenu
			.show()
			.removeAttr( "aria-hidden" )
			.attr( "aria-expanded", "true" )
			.position( position );
	},

	collapseAll: function( event, all ) {
		clearTimeout( this.timer );
		this.timer = this._delay(function() {
			// If we were passed an event, look for the submenu that contains the event
			var currentMenu = all ? this.element :
				$( event && event.target ).closest( this.element.find( ".ui-menu" ) );

			// If we found no valid submenu ancestor, use the main menu to close all sub menus anyway
			if ( !currentMenu.length ) {
				currentMenu = this.element;
			}

			this._close( currentMenu );

			this.blur( event );
			this.activeMenu = currentMenu;
		}, this.delay );
	},

	// With no arguments, closes the currently active menu - if nothing is active
	// it closes all menus.  If passed an argument, it will search for menus BELOW
	_close: function( startMenu ) {
		if ( !startMenu ) {
			startMenu = this.active ? this.active.parent() : this.element;
		}

		startMenu
			.find( ".ui-menu" )
				.hide()
				.attr( "aria-hidden", "true" )
				.attr( "aria-expanded", "false" )
			.end()
			.find( "a.ui-state-active" )
				.removeClass( "ui-state-active" );
	},

	collapse: function( event ) {
		var newItem = this.active &&
			this.active.parent().closest( ".ui-menu-item", this.element );
		if ( newItem && newItem.length ) {
			this._close();
			this.focus( event, newItem );
		}
	},

	expand: function( event ) {
		var newItem = this.active &&
			this.active
				.children( ".ui-menu " )
				.children( ".ui-menu-item" )
				.first();

		if ( newItem && newItem.length ) {
			this._open( newItem.parent() );

			// Delay so Firefox will not hide activedescendant change in expanding submenu from AT
			this._delay(function() {
				this.focus( event, newItem );
			});
		}
	},

	next: function( event ) {
		this._move( "next", "first", event );
	},

	previous: function( event ) {
		this._move( "prev", "last", event );
	},

	isFirstItem: function() {
		return this.active && !this.active.prevAll( ".ui-menu-item" ).length;
	},

	isLastItem: function() {
		return this.active && !this.active.nextAll( ".ui-menu-item" ).length;
	},

	_move: function( direction, filter, event ) {
		var next;
		if ( this.active ) {
			if ( direction === "first" || direction === "last" ) {
				next = this.active
					[ direction === "first" ? "prevAll" : "nextAll" ]( ".ui-menu-item" )
					.eq( -1 );
			} else {
				next = this.active
					[ direction + "All" ]( ".ui-menu-item" )
					.eq( 0 );
			}
		}
		if ( !next || !next.length || !this.active ) {
			next = this.activeMenu.children( ".ui-menu-item" )[ filter ]();
		}

		this.focus( event, next );
	},

	nextPage: function( event ) {
		var item, base, height;

		if ( !this.active ) {
			this.next( event );
			return;
		}
		if ( this.isLastItem() ) {
			return;
		}
		if ( this._hasScroll() ) {
			base = this.active.offset().top;
			height = this.element.height();
			this.active.nextAll( ".ui-menu-item" ).each(function() {
				item = $( this );
				return item.offset().top - base - height < 0;
			});

			this.focus( event, item );
		} else {
			this.focus( event, this.activeMenu.children( ".ui-menu-item" )
				[ !this.active ? "first" : "last" ]() );
		}
	},

	previousPage: function( event ) {
		var item, base, height;
		if ( !this.active ) {
			this.next( event );
			return;
		}
		if ( this.isFirstItem() ) {
			return;
		}
		if ( this._hasScroll() ) {
			base = this.active.offset().top;
			height = this.element.height();
			this.active.prevAll( ".ui-menu-item" ).each(function() {
				item = $( this );
				return item.offset().top - base + height > 0;
			});

			this.focus( event, item );
		} else {
			this.focus( event, this.activeMenu.children( ".ui-menu-item" ).first() );
		}
	},

	_hasScroll: function() {
		return this.element.outerHeight() < this.element.prop( "scrollHeight" );
	},

	select: function( event ) {
		// TODO: It should never be possible to not have an active item at this
		// point, but the tests don't trigger mouseenter before click.
		this.active = this.active || $( event.target ).closest( ".ui-menu-item" );
		var ui = { item: this.active };
		if ( !this.active.has( ".ui-menu" ).length ) {
			this.collapseAll( event, true );
		}
		this._trigger( "select", event, ui );
	}
});

}( jQuery ));

(function( $, undefined ) {

$.ui = $.ui || {};

var cachedScrollbarWidth,
	max = Math.max,
	abs = Math.abs,
	round = Math.round,
	rhorizontal = /left|center|right/,
	rvertical = /top|center|bottom/,
	roffset = /[\+\-]\d+(\.[\d]+)?%?/,
	rposition = /^\w+/,
	rpercent = /%$/,
	_position = $.fn.position;

function getOffsets( offsets, width, height ) {
	return [
		parseFloat( offsets[ 0 ] ) * ( rpercent.test( offsets[ 0 ] ) ? width / 100 : 1 ),
		parseFloat( offsets[ 1 ] ) * ( rpercent.test( offsets[ 1 ] ) ? height / 100 : 1 )
	];
}

function parseCss( element, property ) {
	return parseInt( $.css( element, property ), 10 ) || 0;
}

function getDimensions( elem ) {
	var raw = elem[0];
	if ( raw.nodeType === 9 ) {
		return {
			width: elem.width(),
			height: elem.height(),
			offset: { top: 0, left: 0 }
		};
	}
	if ( $.isWindow( raw ) ) {
		return {
			width: elem.width(),
			height: elem.height(),
			offset: { top: elem.scrollTop(), left: elem.scrollLeft() }
		};
	}
	if ( raw.preventDefault ) {
		return {
			width: 0,
			height: 0,
			offset: { top: raw.pageY, left: raw.pageX }
		};
	}
	return {
		width: elem.outerWidth(),
		height: elem.outerHeight(),
		offset: elem.offset()
	};
}

$.position = {
	scrollbarWidth: function() {
		if ( cachedScrollbarWidth !== undefined ) {
			return cachedScrollbarWidth;
		}
		var w1, w2,
			div = $( "<div style='display:block;width:50px;height:50px;overflow:hidden;'><div style='height:100px;width:auto;'></div></div>" ),
			innerDiv = div.children()[0];

		$( "body" ).append( div );
		w1 = innerDiv.offsetWidth;
		div.css( "overflow", "scroll" );

		w2 = innerDiv.offsetWidth;

		if ( w1 === w2 ) {
			w2 = div[0].clientWidth;
		}

		div.remove();

		return (cachedScrollbarWidth = w1 - w2);
	},
	getScrollInfo: function( within ) {
		var overflowX = within.isWindow ? "" : within.element.css( "overflow-x" ),
			overflowY = within.isWindow ? "" : within.element.css( "overflow-y" ),
			hasOverflowX = overflowX === "scroll" ||
				( overflowX === "auto" && within.width < within.element[0].scrollWidth ),
			hasOverflowY = overflowY === "scroll" ||
				( overflowY === "auto" && within.height < within.element[0].scrollHeight );
		return {
			width: hasOverflowY ? $.position.scrollbarWidth() : 0,
			height: hasOverflowX ? $.position.scrollbarWidth() : 0
		};
	},
	getWithinInfo: function( element ) {
		var withinElement = $( element || window ),
			isWindow = $.isWindow( withinElement[0] );
		return {
			element: withinElement,
			isWindow: isWindow,
			offset: withinElement.offset() || { left: 0, top: 0 },
			scrollLeft: withinElement.scrollLeft(),
			scrollTop: withinElement.scrollTop(),
			width: isWindow ? withinElement.width() : withinElement.outerWidth(),
			height: isWindow ? withinElement.height() : withinElement.outerHeight()
		};
	}
};

$.fn.position = function( options ) {
	if ( !options || !options.of ) {
		return _position.apply( this, arguments );
	}

	// make a copy, we don't want to modify arguments
	options = $.extend( {}, options );

	var atOffset, targetWidth, targetHeight, targetOffset, basePosition, dimensions,
		target = $( options.of ),
		within = $.position.getWithinInfo( options.within ),
		scrollInfo = $.position.getScrollInfo( within ),
		collision = ( options.collision || "flip" ).split( " " ),
		offsets = {};

	dimensions = getDimensions( target );
	if ( target[0].preventDefault ) {
		// force left top to allow flipping
		options.at = "left top";
	}
	targetWidth = dimensions.width;
	targetHeight = dimensions.height;
	targetOffset = dimensions.offset;
	// clone to reuse original targetOffset later
	basePosition = $.extend( {}, targetOffset );

	// force my and at to have valid horizontal and vertical positions
	// if a value is missing or invalid, it will be converted to center
	$.each( [ "my", "at" ], function() {
		var pos = ( options[ this ] || "" ).split( " " ),
			horizontalOffset,
			verticalOffset;

		if ( pos.length === 1) {
			pos = rhorizontal.test( pos[ 0 ] ) ?
				pos.concat( [ "center" ] ) :
				rvertical.test( pos[ 0 ] ) ?
					[ "center" ].concat( pos ) :
					[ "center", "center" ];
		}
		pos[ 0 ] = rhorizontal.test( pos[ 0 ] ) ? pos[ 0 ] : "center";
		pos[ 1 ] = rvertical.test( pos[ 1 ] ) ? pos[ 1 ] : "center";

		// calculate offsets
		horizontalOffset = roffset.exec( pos[ 0 ] );
		verticalOffset = roffset.exec( pos[ 1 ] );
		offsets[ this ] = [
			horizontalOffset ? horizontalOffset[ 0 ] : 0,
			verticalOffset ? verticalOffset[ 0 ] : 0
		];

		// reduce to just the positions without the offsets
		options[ this ] = [
			rposition.exec( pos[ 0 ] )[ 0 ],
			rposition.exec( pos[ 1 ] )[ 0 ]
		];
	});

	// normalize collision option
	if ( collision.length === 1 ) {
		collision[ 1 ] = collision[ 0 ];
	}

	if ( options.at[ 0 ] === "right" ) {
		basePosition.left += targetWidth;
	} else if ( options.at[ 0 ] === "center" ) {
		basePosition.left += targetWidth / 2;
	}

	if ( options.at[ 1 ] === "bottom" ) {
		basePosition.top += targetHeight;
	} else if ( options.at[ 1 ] === "center" ) {
		basePosition.top += targetHeight / 2;
	}

	atOffset = getOffsets( offsets.at, targetWidth, targetHeight );
	basePosition.left += atOffset[ 0 ];
	basePosition.top += atOffset[ 1 ];

	return this.each(function() {
		var collisionPosition, using,
			elem = $( this ),
			elemWidth = elem.outerWidth(),
			elemHeight = elem.outerHeight(),
			marginLeft = parseCss( this, "marginLeft" ),
			marginTop = parseCss( this, "marginTop" ),
			collisionWidth = elemWidth + marginLeft + parseCss( this, "marginRight" ) + scrollInfo.width,
			collisionHeight = elemHeight + marginTop + parseCss( this, "marginBottom" ) + scrollInfo.height,
			position = $.extend( {}, basePosition ),
			myOffset = getOffsets( offsets.my, elem.outerWidth(), elem.outerHeight() );

		if ( options.my[ 0 ] === "right" ) {
			position.left -= elemWidth;
		} else if ( options.my[ 0 ] === "center" ) {
			position.left -= elemWidth / 2;
		}

		if ( options.my[ 1 ] === "bottom" ) {
			position.top -= elemHeight;
		} else if ( options.my[ 1 ] === "center" ) {
			position.top -= elemHeight / 2;
		}

		position.left += myOffset[ 0 ];
		position.top += myOffset[ 1 ];

		// if the browser doesn't support fractions, then round for consistent results
		if ( !$.support.offsetFractions ) {
			position.left = round( position.left );
			position.top = round( position.top );
		}

		collisionPosition = {
			marginLeft: marginLeft,
			marginTop: marginTop
		};

		$.each( [ "left", "top" ], function( i, dir ) {
			if ( $.ui.position[ collision[ i ] ] ) {
				$.ui.position[ collision[ i ] ][ dir ]( position, {
					targetWidth: targetWidth,
					targetHeight: targetHeight,
					elemWidth: elemWidth,
					elemHeight: elemHeight,
					collisionPosition: collisionPosition,
					collisionWidth: collisionWidth,
					collisionHeight: collisionHeight,
					offset: [ atOffset[ 0 ] + myOffset[ 0 ], atOffset [ 1 ] + myOffset[ 1 ] ],
					my: options.my,
					at: options.at,
					within: within,
					elem : elem
				});
			}
		});

		if ( options.using ) {
			// adds feedback as second argument to using callback, if present
			using = function( props ) {
				var left = targetOffset.left - position.left,
					right = left + targetWidth - elemWidth,
					top = targetOffset.top - position.top,
					bottom = top + targetHeight - elemHeight,
					feedback = {
						target: {
							element: target,
							left: targetOffset.left,
							top: targetOffset.top,
							width: targetWidth,
							height: targetHeight
						},
						element: {
							element: elem,
							left: position.left,
							top: position.top,
							width: elemWidth,
							height: elemHeight
						},
						horizontal: right < 0 ? "left" : left > 0 ? "right" : "center",
						vertical: bottom < 0 ? "top" : top > 0 ? "bottom" : "middle"
					};
				if ( targetWidth < elemWidth && abs( left + right ) < targetWidth ) {
					feedback.horizontal = "center";
				}
				if ( targetHeight < elemHeight && abs( top + bottom ) < targetHeight ) {
					feedback.vertical = "middle";
				}
				if ( max( abs( left ), abs( right ) ) > max( abs( top ), abs( bottom ) ) ) {
					feedback.important = "horizontal";
				} else {
					feedback.important = "vertical";
				}
				options.using.call( this, props, feedback );
			};
		}

		elem.offset( $.extend( position, { using: using } ) );
	});
};

$.ui.position = {
	fit: {
		left: function( position, data ) {
			var within = data.within,
				withinOffset = within.isWindow ? within.scrollLeft : within.offset.left,
				outerWidth = within.width,
				collisionPosLeft = position.left - data.collisionPosition.marginLeft,
				overLeft = withinOffset - collisionPosLeft,
				overRight = collisionPosLeft + data.collisionWidth - outerWidth - withinOffset,
				newOverRight;

			// element is wider than within
			if ( data.collisionWidth > outerWidth ) {
				// element is initially over the left side of within
				if ( overLeft > 0 && overRight <= 0 ) {
					newOverRight = position.left + overLeft + data.collisionWidth - outerWidth - withinOffset;
					position.left += overLeft - newOverRight;
				// element is initially over right side of within
				} else if ( overRight > 0 && overLeft <= 0 ) {
					position.left = withinOffset;
				// element is initially over both left and right sides of within
				} else {
					if ( overLeft > overRight ) {
						position.left = withinOffset + outerWidth - data.collisionWidth;
					} else {
						position.left = withinOffset;
					}
				}
			// too far left -> align with left edge
			} else if ( overLeft > 0 ) {
				position.left += overLeft;
			// too far right -> align with right edge
			} else if ( overRight > 0 ) {
				position.left -= overRight;
			// adjust based on position and margin
			} else {
				position.left = max( position.left - collisionPosLeft, position.left );
			}
		},
		top: function( position, data ) {
			var within = data.within,
				withinOffset = within.isWindow ? within.scrollTop : within.offset.top,
				outerHeight = data.within.height,
				collisionPosTop = position.top - data.collisionPosition.marginTop,
				overTop = withinOffset - collisionPosTop,
				overBottom = collisionPosTop + data.collisionHeight - outerHeight - withinOffset,
				newOverBottom;

			// element is taller than within
			if ( data.collisionHeight > outerHeight ) {
				// element is initially over the top of within
				if ( overTop > 0 && overBottom <= 0 ) {
					newOverBottom = position.top + overTop + data.collisionHeight - outerHeight - withinOffset;
					position.top += overTop - newOverBottom;
				// element is initially over bottom of within
				} else if ( overBottom > 0 && overTop <= 0 ) {
					position.top = withinOffset;
				// element is initially over both top and bottom of within
				} else {
					if ( overTop > overBottom ) {
						position.top = withinOffset + outerHeight - data.collisionHeight;
					} else {
						position.top = withinOffset;
					}
				}
			// too far up -> align with top
			} else if ( overTop > 0 ) {
				position.top += overTop;
			// too far down -> align with bottom edge
			} else if ( overBottom > 0 ) {
				position.top -= overBottom;
			// adjust based on position and margin
			} else {
				position.top = max( position.top - collisionPosTop, position.top );
			}
		}
	},
	flip: {
		left: function( position, data ) {
			var within = data.within,
				withinOffset = within.offset.left + within.scrollLeft,
				outerWidth = within.width,
				offsetLeft = within.isWindow ? within.scrollLeft : within.offset.left,
				collisionPosLeft = position.left - data.collisionPosition.marginLeft,
				overLeft = collisionPosLeft - offsetLeft,
				overRight = collisionPosLeft + data.collisionWidth - outerWidth - offsetLeft,
				myOffset = data.my[ 0 ] === "left" ?
					-data.elemWidth :
					data.my[ 0 ] === "right" ?
						data.elemWidth :
						0,
				atOffset = data.at[ 0 ] === "left" ?
					data.targetWidth :
					data.at[ 0 ] === "right" ?
						-data.targetWidth :
						0,
				offset = -2 * data.offset[ 0 ],
				newOverRight,
				newOverLeft;

			if ( overLeft < 0 ) {
				newOverRight = position.left + myOffset + atOffset + offset + data.collisionWidth - outerWidth - withinOffset;
				if ( newOverRight < 0 || newOverRight < abs( overLeft ) ) {
					position.left += myOffset + atOffset + offset;
				}
			}
			else if ( overRight > 0 ) {
				newOverLeft = position.left - data.collisionPosition.marginLeft + myOffset + atOffset + offset - offsetLeft;
				if ( newOverLeft > 0 || abs( newOverLeft ) < overRight ) {
					position.left += myOffset + atOffset + offset;
				}
			}
		},
		top: function( position, data ) {
			var within = data.within,
				withinOffset = within.offset.top + within.scrollTop,
				outerHeight = within.height,
				offsetTop = within.isWindow ? within.scrollTop : within.offset.top,
				collisionPosTop = position.top - data.collisionPosition.marginTop,
				overTop = collisionPosTop - offsetTop,
				overBottom = collisionPosTop + data.collisionHeight - outerHeight - offsetTop,
				top = data.my[ 1 ] === "top",
				myOffset = top ?
					-data.elemHeight :
					data.my[ 1 ] === "bottom" ?
						data.elemHeight :
						0,
				atOffset = data.at[ 1 ] === "top" ?
					data.targetHeight :
					data.at[ 1 ] === "bottom" ?
						-data.targetHeight :
						0,
				offset = -2 * data.offset[ 1 ],
				newOverTop,
				newOverBottom;
			if ( overTop < 0 ) {
				newOverBottom = position.top + myOffset + atOffset + offset + data.collisionHeight - outerHeight - withinOffset;
				if ( ( position.top + myOffset + atOffset + offset) > overTop && ( newOverBottom < 0 || newOverBottom < abs( overTop ) ) ) {
					position.top += myOffset + atOffset + offset;
				}
			}
			else if ( overBottom > 0 ) {
				newOverTop = position.top -  data.collisionPosition.marginTop + myOffset + atOffset + offset - offsetTop;
				if ( ( position.top + myOffset + atOffset + offset) > overBottom && ( newOverTop > 0 || abs( newOverTop ) < overBottom ) ) {
					position.top += myOffset + atOffset + offset;
				}
			}
		}
	},
	flipfit: {
		left: function() {
			$.ui.position.flip.left.apply( this, arguments );
			$.ui.position.fit.left.apply( this, arguments );
		},
		top: function() {
			$.ui.position.flip.top.apply( this, arguments );
			$.ui.position.fit.top.apply( this, arguments );
		}
	}
};

// fraction support test
(function () {
	var testElement, testElementParent, testElementStyle, offsetLeft, i,
		body = document.getElementsByTagName( "body" )[ 0 ],
		div = document.createElement( "div" );

	//Create a "fake body" for testing based on method used in jQuery.support
	testElement = document.createElement( body ? "div" : "body" );
	testElementStyle = {
		visibility: "hidden",
		width: 0,
		height: 0,
		border: 0,
		margin: 0,
		background: "none"
	};
	if ( body ) {
		$.extend( testElementStyle, {
			position: "absolute",
			left: "-1000px",
			top: "-1000px"
		});
	}
	for ( i in testElementStyle ) {
		testElement.style[ i ] = testElementStyle[ i ];
	}
	testElement.appendChild( div );
	testElementParent = body || document.documentElement;
	testElementParent.insertBefore( testElement, testElementParent.firstChild );

	div.style.cssText = "position: absolute; left: 10.7432222px;";

	offsetLeft = $( div ).offset().left;
	$.support.offsetFractions = offsetLeft > 10 && offsetLeft < 11;

	testElement.innerHTML = "";
	testElementParent.removeChild( testElement );
})();

}( jQuery ) );

(function( $, undefined ) {

$.widget( "ui.progressbar", {
	version: "1.10.2",
	options: {
		max: 100,
		value: 0,

		change: null,
		complete: null
	},

	min: 0,

	_create: function() {
		// Constrain initial value
		this.oldValue = this.options.value = this._constrainedValue();

		this.element
			.addClass( "ui-progressbar ui-widget ui-widget-content ui-corner-all" )
			.attr({
				// Only set static values, aria-valuenow and aria-valuemax are
				// set inside _refreshValue()
				role: "progressbar",
				"aria-valuemin": this.min
			});

		this.valueDiv = $( "<div class='ui-progressbar-value ui-widget-header ui-corner-left'></div>" )
			.appendTo( this.element );

		this._refreshValue();
	},

	_destroy: function() {
		this.element
			.removeClass( "ui-progressbar ui-widget ui-widget-content ui-corner-all" )
			.removeAttr( "role" )
			.removeAttr( "aria-valuemin" )
			.removeAttr( "aria-valuemax" )
			.removeAttr( "aria-valuenow" );

		this.valueDiv.remove();
	},

	value: function( newValue ) {
		if ( newValue === undefined ) {
			return this.options.value;
		}

		this.options.value = this._constrainedValue( newValue );
		this._refreshValue();
	},

	_constrainedValue: function( newValue ) {
		if ( newValue === undefined ) {
			newValue = this.options.value;
		}

		this.indeterminate = newValue === false;

		// sanitize value
		if ( typeof newValue !== "number" ) {
			newValue = 0;
		}

		return this.indeterminate ? false :
			Math.min( this.options.max, Math.max( this.min, newValue ) );
	},

	_setOptions: function( options ) {
		// Ensure "value" option is set after other values (like max)
		var value = options.value;
		delete options.value;

		this._super( options );

		this.options.value = this._constrainedValue( value );
		this._refreshValue();
	},

	_setOption: function( key, value ) {
		if ( key === "max" ) {
			// Don't allow a max less than min
			value = Math.max( this.min, value );
		}

		this._super( key, value );
	},

	_percentage: function() {
		return this.indeterminate ? 100 : 100 * ( this.options.value - this.min ) / ( this.options.max - this.min );
	},

	_refreshValue: function() {
		var value = this.options.value,
			percentage = this._percentage();

		this.valueDiv
			.toggle( this.indeterminate || value > this.min )
			.toggleClass( "ui-corner-right", value === this.options.max )
			.width( percentage.toFixed(0) + "%" );

		this.element.toggleClass( "ui-progressbar-indeterminate", this.indeterminate );

		if ( this.indeterminate ) {
			this.element.removeAttr( "aria-valuenow" );
			if ( !this.overlayDiv ) {
				this.overlayDiv = $( "<div class='ui-progressbar-overlay'></div>" ).appendTo( this.valueDiv );
			}
		} else {
			this.element.attr({
				"aria-valuemax": this.options.max,
				"aria-valuenow": value
			});
			if ( this.overlayDiv ) {
				this.overlayDiv.remove();
				this.overlayDiv = null;
			}
		}

		if ( this.oldValue !== value ) {
			this.oldValue = value;
			this._trigger( "change" );
		}
		if ( value === this.options.max ) {
			this._trigger( "complete" );
		}
	}
});

})( jQuery );

(function( $, undefined ) {

// number of pages in a slider
// (how many times can you page up/down to go through the whole range)
var numPages = 5;

$.widget( "ui.slider", $.ui.mouse, {
	version: "1.10.2",
	widgetEventPrefix: "slide",

	options: {
		animate: false,
		distance: 0,
		max: 100,
		min: 0,
		orientation: "horizontal",
		range: false,
		step: 1,
		value: 0,
		values: null,

		// callbacks
		change: null,
		slide: null,
		start: null,
		stop: null
	},

	_create: function() {
		this._keySliding = false;
		this._mouseSliding = false;
		this._animateOff = true;
		this._handleIndex = null;
		this._detectOrientation();
		this._mouseInit();

		this.element
			.addClass( "ui-slider" +
				" ui-slider-" + this.orientation +
				" ui-widget" +
				" ui-widget-content" +
				" ui-corner-all");

		this._refresh();
		this._setOption( "disabled", this.options.disabled );

		this._animateOff = false;
	},

	_refresh: function() {
		this._createRange();
		this._createHandles();
		this._setupEvents();
		this._refreshValue();
	},

	_createHandles: function() {
		var i, handleCount,
			options = this.options,
			existingHandles = this.element.find( ".ui-slider-handle" ).addClass( "ui-state-default ui-corner-all" ),
			handle = "<a class='ui-slider-handle ui-state-default ui-corner-all' href='#'></a>",
			handles = [];

		handleCount = ( options.values && options.values.length ) || 1;

		if ( existingHandles.length > handleCount ) {
			existingHandles.slice( handleCount ).remove();
			existingHandles = existingHandles.slice( 0, handleCount );
		}

		for ( i = existingHandles.length; i < handleCount; i++ ) {
			handles.push( handle );
		}

		this.handles = existingHandles.add( $( handles.join( "" ) ).appendTo( this.element ) );

		this.handle = this.handles.eq( 0 );

		this.handles.each(function( i ) {
			$( this ).data( "ui-slider-handle-index", i );
		});
	},

	_createRange: function() {
		var options = this.options,
			classes = "";

		if ( options.range ) {
			if ( options.range === true ) {
				if ( !options.values ) {
					options.values = [ this._valueMin(), this._valueMin() ];
				} else if ( options.values.length && options.values.length !== 2 ) {
					options.values = [ options.values[0], options.values[0] ];
				} else if ( $.isArray( options.values ) ) {
					options.values = options.values.slice(0);
				}
			}

			if ( !this.range || !this.range.length ) {
				this.range = $( "<div></div>" )
					.appendTo( this.element );

				classes = "ui-slider-range" +
				// note: this isn't the most fittingly semantic framework class for this element,
				// but worked best visually with a variety of themes
				" ui-widget-header ui-corner-all";
			} else {
				this.range.removeClass( "ui-slider-range-min ui-slider-range-max" )
					// Handle range switching from true to min/max
					.css({
						"left": "",
						"bottom": ""
					});
			}

			this.range.addClass( classes +
				( ( options.range === "min" || options.range === "max" ) ? " ui-slider-range-" + options.range : "" ) );
		} else {
			this.range = $([]);
		}
	},

	_setupEvents: function() {
		var elements = this.handles.add( this.range ).filter( "a" );
		this._off( elements );
		this._on( elements, this._handleEvents );
		this._hoverable( elements );
		this._focusable( elements );
	},

	_destroy: function() {
		this.handles.remove();
		this.range.remove();

		this.element
			.removeClass( "ui-slider" +
				" ui-slider-horizontal" +
				" ui-slider-vertical" +
				" ui-widget" +
				" ui-widget-content" +
				" ui-corner-all" );

		this._mouseDestroy();
	},

	_mouseCapture: function( event ) {
		var position, normValue, distance, closestHandle, index, allowed, offset, mouseOverHandle,
			that = this,
			o = this.options;

		if ( o.disabled ) {
			return false;
		}

		this.elementSize = {
			width: this.element.outerWidth(),
			height: this.element.outerHeight()
		};
		this.elementOffset = this.element.offset();

		position = { x: event.pageX, y: event.pageY };
		normValue = this._normValueFromMouse( position );
		distance = this._valueMax() - this._valueMin() + 1;
		this.handles.each(function( i ) {
			var thisDistance = Math.abs( normValue - that.values(i) );
			if (( distance > thisDistance ) ||
				( distance === thisDistance &&
					(i === that._lastChangedValue || that.values(i) === o.min ))) {
				distance = thisDistance;
				closestHandle = $( this );
				index = i;
			}
		});

		allowed = this._start( event, index );
		if ( allowed === false ) {
			return false;
		}
		this._mouseSliding = true;

		this._handleIndex = index;

		closestHandle
			.addClass( "ui-state-active" )
			.focus();

		offset = closestHandle.offset();
		mouseOverHandle = !$( event.target ).parents().addBack().is( ".ui-slider-handle" );
		this._clickOffset = mouseOverHandle ? { left: 0, top: 0 } : {
			left: event.pageX - offset.left - ( closestHandle.width() / 2 ),
			top: event.pageY - offset.top -
				( closestHandle.height() / 2 ) -
				( parseInt( closestHandle.css("borderTopWidth"), 10 ) || 0 ) -
				( parseInt( closestHandle.css("borderBottomWidth"), 10 ) || 0) +
				( parseInt( closestHandle.css("marginTop"), 10 ) || 0)
		};

		if ( !this.handles.hasClass( "ui-state-hover" ) ) {
			this._slide( event, index, normValue );
		}
		this._animateOff = true;
		return true;
	},

	_mouseStart: function() {
		return true;
	},

	_mouseDrag: function( event ) {
		var position = { x: event.pageX, y: event.pageY },
			normValue = this._normValueFromMouse( position );

		this._slide( event, this._handleIndex, normValue );

		return false;
	},

	_mouseStop: function( event ) {
		this.handles.removeClass( "ui-state-active" );
		this._mouseSliding = false;

		this._stop( event, this._handleIndex );
		this._change( event, this._handleIndex );

		this._handleIndex = null;
		this._clickOffset = null;
		this._animateOff = false;

		return false;
	},

	_detectOrientation: function() {
		this.orientation = ( this.options.orientation === "vertical" ) ? "vertical" : "horizontal";
	},

	_normValueFromMouse: function( position ) {
		var pixelTotal,
			pixelMouse,
			percentMouse,
			valueTotal,
			valueMouse;

		if ( this.orientation === "horizontal" ) {
			pixelTotal = this.elementSize.width;
			pixelMouse = position.x - this.elementOffset.left - ( this._clickOffset ? this._clickOffset.left : 0 );
		} else {
			pixelTotal = this.elementSize.height;
			pixelMouse = position.y - this.elementOffset.top - ( this._clickOffset ? this._clickOffset.top : 0 );
		}

		percentMouse = ( pixelMouse / pixelTotal );
		if ( percentMouse > 1 ) {
			percentMouse = 1;
		}
		if ( percentMouse < 0 ) {
			percentMouse = 0;
		}
		if ( this.orientation === "vertical" ) {
			percentMouse = 1 - percentMouse;
		}

		valueTotal = this._valueMax() - this._valueMin();
		valueMouse = this._valueMin() + percentMouse * valueTotal;

		return this._trimAlignValue( valueMouse );
	},

	_start: function( event, index ) {
		var uiHash = {
			handle: this.handles[ index ],
			value: this.value()
		};
		if ( this.options.values && this.options.values.length ) {
			uiHash.value = this.values( index );
			uiHash.values = this.values();
		}
		return this._trigger( "start", event, uiHash );
	},

	_slide: function( event, index, newVal ) {
		var otherVal,
			newValues,
			allowed;

		if ( this.options.values && this.options.values.length ) {
			otherVal = this.values( index ? 0 : 1 );

			if ( ( this.options.values.length === 2 && this.options.range === true ) &&
					( ( index === 0 && newVal > otherVal) || ( index === 1 && newVal < otherVal ) )
				) {
				newVal = otherVal;
			}

			if ( newVal !== this.values( index ) ) {
				newValues = this.values();
				newValues[ index ] = newVal;
				// A slide can be canceled by returning false from the slide callback
				allowed = this._trigger( "slide", event, {
					handle: this.handles[ index ],
					value: newVal,
					values: newValues
				} );
				otherVal = this.values( index ? 0 : 1 );
				if ( allowed !== false ) {
					this.values( index, newVal, true );
				}
			}
		} else {
			if ( newVal !== this.value() ) {
				// A slide can be canceled by returning false from the slide callback
				allowed = this._trigger( "slide", event, {
					handle: this.handles[ index ],
					value: newVal
				} );
				if ( allowed !== false ) {
					this.value( newVal );
				}
			}
		}
	},

	_stop: function( event, index ) {
		var uiHash = {
			handle: this.handles[ index ],
			value: this.value()
		};
		if ( this.options.values && this.options.values.length ) {
			uiHash.value = this.values( index );
			uiHash.values = this.values();
		}

		this._trigger( "stop", event, uiHash );
	},

	_change: function( event, index ) {
		if ( !this._keySliding && !this._mouseSliding ) {
			var uiHash = {
				handle: this.handles[ index ],
				value: this.value()
			};
			if ( this.options.values && this.options.values.length ) {
				uiHash.value = this.values( index );
				uiHash.values = this.values();
			}

			//store the last changed value index for reference when handles overlap
			this._lastChangedValue = index;

			this._trigger( "change", event, uiHash );
		}
	},

	value: function( newValue ) {
		if ( arguments.length ) {
			this.options.value = this._trimAlignValue( newValue );
			this._refreshValue();
			this._change( null, 0 );
			return;
		}

		return this._value();
	},

	values: function( index, newValue ) {
		var vals,
			newValues,
			i;

		if ( arguments.length > 1 ) {
			this.options.values[ index ] = this._trimAlignValue( newValue );
			this._refreshValue();
			this._change( null, index );
			return;
		}

		if ( arguments.length ) {
			if ( $.isArray( arguments[ 0 ] ) ) {
				vals = this.options.values;
				newValues = arguments[ 0 ];
				for ( i = 0; i < vals.length; i += 1 ) {
					vals[ i ] = this._trimAlignValue( newValues[ i ] );
					this._change( null, i );
				}
				this._refreshValue();
			} else {
				if ( this.options.values && this.options.values.length ) {
					return this._values( index );
				} else {
					return this.value();
				}
			}
		} else {
			return this._values();
		}
	},

	_setOption: function( key, value ) {
		var i,
			valsLength = 0;

		if ( key === "range" && this.options.range === true ) {
			if ( value === "min" ) {
				this.options.value = this._values( 0 );
				this.options.values = null;
			} else if ( value === "max" ) {
				this.options.value = this._values( this.options.values.length-1 );
				this.options.values = null;
			}
		}

		if ( $.isArray( this.options.values ) ) {
			valsLength = this.options.values.length;
		}

		$.Widget.prototype._setOption.apply( this, arguments );

		switch ( key ) {
			case "orientation":
				this._detectOrientation();
				this.element
					.removeClass( "ui-slider-horizontal ui-slider-vertical" )
					.addClass( "ui-slider-" + this.orientation );
				this._refreshValue();
				break;
			case "value":
				this._animateOff = true;
				this._refreshValue();
				this._change( null, 0 );
				this._animateOff = false;
				break;
			case "values":
				this._animateOff = true;
				this._refreshValue();
				for ( i = 0; i < valsLength; i += 1 ) {
					this._change( null, i );
				}
				this._animateOff = false;
				break;
			case "min":
			case "max":
				this._animateOff = true;
				this._refreshValue();
				this._animateOff = false;
				break;
			case "range":
				this._animateOff = true;
				this._refresh();
				this._animateOff = false;
				break;
		}
	},

	//internal value getter
	// _value() returns value trimmed by min and max, aligned by step
	_value: function() {
		var val = this.options.value;
		val = this._trimAlignValue( val );

		return val;
	},

	//internal values getter
	// _values() returns array of values trimmed by min and max, aligned by step
	// _values( index ) returns single value trimmed by min and max, aligned by step
	_values: function( index ) {
		var val,
			vals,
			i;

		if ( arguments.length ) {
			val = this.options.values[ index ];
			val = this._trimAlignValue( val );

			return val;
		} else if ( this.options.values && this.options.values.length ) {
			// .slice() creates a copy of the array
			// this copy gets trimmed by min and max and then returned
			vals = this.options.values.slice();
			for ( i = 0; i < vals.length; i+= 1) {
				vals[ i ] = this._trimAlignValue( vals[ i ] );
			}

			return vals;
		} else {
			return [];
		}
	},

	// returns the step-aligned value that val is closest to, between (inclusive) min and max
	_trimAlignValue: function( val ) {
		if ( val <= this._valueMin() ) {
			return this._valueMin();
		}
		if ( val >= this._valueMax() ) {
			return this._valueMax();
		}
		var step = ( this.options.step > 0 ) ? this.options.step : 1,
			valModStep = (val - this._valueMin()) % step,
			alignValue = val - valModStep;

		if ( Math.abs(valModStep) * 2 >= step ) {
			alignValue += ( valModStep > 0 ) ? step : ( -step );
		}

		// Since JavaScript has problems with large floats, round
		// the final value to 5 digits after the decimal point (see #4124)
		return parseFloat( alignValue.toFixed(5) );
	},

	_valueMin: function() {
		return this.options.min;
	},

	_valueMax: function() {
		return this.options.max;
	},

	_refreshValue: function() {
		var lastValPercent, valPercent, value, valueMin, valueMax,
			oRange = this.options.range,
			o = this.options,
			that = this,
			animate = ( !this._animateOff ) ? o.animate : false,
			_set = {};

		if ( this.options.values && this.options.values.length ) {
			this.handles.each(function( i ) {
				valPercent = ( that.values(i) - that._valueMin() ) / ( that._valueMax() - that._valueMin() ) * 100;
				_set[ that.orientation === "horizontal" ? "left" : "bottom" ] = valPercent + "%";
				$( this ).stop( 1, 1 )[ animate ? "animate" : "css" ]( _set, o.animate );
				if ( that.options.range === true ) {
					if ( that.orientation === "horizontal" ) {
						if ( i === 0 ) {
							that.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( { left: valPercent + "%" }, o.animate );
						}
						if ( i === 1 ) {
							that.range[ animate ? "animate" : "css" ]( { width: ( valPercent - lastValPercent ) + "%" }, { queue: false, duration: o.animate } );
						}
					} else {
						if ( i === 0 ) {
							that.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( { bottom: ( valPercent ) + "%" }, o.animate );
						}
						if ( i === 1 ) {
							that.range[ animate ? "animate" : "css" ]( { height: ( valPercent - lastValPercent ) + "%" }, { queue: false, duration: o.animate } );
						}
					}
				}
				lastValPercent = valPercent;
			});
		} else {
			value = this.value();
			valueMin = this._valueMin();
			valueMax = this._valueMax();
			valPercent = ( valueMax !== valueMin ) ?
					( value - valueMin ) / ( valueMax - valueMin ) * 100 :
					0;
			_set[ this.orientation === "horizontal" ? "left" : "bottom" ] = valPercent + "%";
			this.handle.stop( 1, 1 )[ animate ? "animate" : "css" ]( _set, o.animate );

			if ( oRange === "min" && this.orientation === "horizontal" ) {
				this.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( { width: valPercent + "%" }, o.animate );
			}
			if ( oRange === "max" && this.orientation === "horizontal" ) {
				this.range[ animate ? "animate" : "css" ]( { width: ( 100 - valPercent ) + "%" }, { queue: false, duration: o.animate } );
			}
			if ( oRange === "min" && this.orientation === "vertical" ) {
				this.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( { height: valPercent + "%" }, o.animate );
			}
			if ( oRange === "max" && this.orientation === "vertical" ) {
				this.range[ animate ? "animate" : "css" ]( { height: ( 100 - valPercent ) + "%" }, { queue: false, duration: o.animate } );
			}
		}
	},

	_handleEvents: {
		keydown: function( event ) {
			/*jshint maxcomplexity:25*/
			var allowed, curVal, newVal, step,
				index = $( event.target ).data( "ui-slider-handle-index" );

			switch ( event.keyCode ) {
				case $.ui.keyCode.HOME:
				case $.ui.keyCode.END:
				case $.ui.keyCode.PAGE_UP:
				case $.ui.keyCode.PAGE_DOWN:
				case $.ui.keyCode.UP:
				case $.ui.keyCode.RIGHT:
				case $.ui.keyCode.DOWN:
				case $.ui.keyCode.LEFT:
					event.preventDefault();
					if ( !this._keySliding ) {
						this._keySliding = true;
						$( event.target ).addClass( "ui-state-active" );
						allowed = this._start( event, index );
						if ( allowed === false ) {
							return;
						}
					}
					break;
			}

			step = this.options.step;
			if ( this.options.values && this.options.values.length ) {
				curVal = newVal = this.values( index );
			} else {
				curVal = newVal = this.value();
			}

			switch ( event.keyCode ) {
				case $.ui.keyCode.HOME:
					newVal = this._valueMin();
					break;
				case $.ui.keyCode.END:
					newVal = this._valueMax();
					break;
				case $.ui.keyCode.PAGE_UP:
					newVal = this._trimAlignValue( curVal + ( (this._valueMax() - this._valueMin()) / numPages ) );
					break;
				case $.ui.keyCode.PAGE_DOWN:
					newVal = this._trimAlignValue( curVal - ( (this._valueMax() - this._valueMin()) / numPages ) );
					break;
				case $.ui.keyCode.UP:
				case $.ui.keyCode.RIGHT:
					if ( curVal === this._valueMax() ) {
						return;
					}
					newVal = this._trimAlignValue( curVal + step );
					break;
				case $.ui.keyCode.DOWN:
				case $.ui.keyCode.LEFT:
					if ( curVal === this._valueMin() ) {
						return;
					}
					newVal = this._trimAlignValue( curVal - step );
					break;
			}

			this._slide( event, index, newVal );
		},
		click: function( event ) {
			event.preventDefault();
		},
		keyup: function( event ) {
			var index = $( event.target ).data( "ui-slider-handle-index" );

			if ( this._keySliding ) {
				this._keySliding = false;
				this._stop( event, index );
				this._change( event, index );
				$( event.target ).removeClass( "ui-state-active" );
			}
		}
	}

});

}(jQuery));

(function( $ ) {

function modifier( fn ) {
	return function() {
		var previous = this.element.val();
		fn.apply( this, arguments );
		this._refresh();
		if ( previous !== this.element.val() ) {
			this._trigger( "change" );
		}
	};
}

$.widget( "ui.spinner", {
	version: "1.10.2",
	defaultElement: "<input>",
	widgetEventPrefix: "spin",
	options: {
		culture: null,
		icons: {
			down: "ui-icon-triangle-1-s",
			up: "ui-icon-triangle-1-n"
		},
		incremental: true,
		max: null,
		min: null,
		numberFormat: null,
		page: 10,
		step: 1,

		change: null,
		spin: null,
		start: null,
		stop: null
	},

	_create: function() {
		// handle string values that need to be parsed
		this._setOption( "max", this.options.max );
		this._setOption( "min", this.options.min );
		this._setOption( "step", this.options.step );

		// format the value, but don't constrain
		this._value( this.element.val(), true );

		this._draw();
		this._on( this._events );
		this._refresh();

		// turning off autocomplete prevents the browser from remembering the
		// value when navigating through history, so we re-enable autocomplete
		// if the page is unloaded before the widget is destroyed. #7790
		this._on( this.window, {
			beforeunload: function() {
				this.element.removeAttr( "autocomplete" );
			}
		});
	},

	_getCreateOptions: function() {
		var options = {},
			element = this.element;

		$.each( [ "min", "max", "step" ], function( i, option ) {
			var value = element.attr( option );
			if ( value !== undefined && value.length ) {
				options[ option ] = value;
			}
		});

		return options;
	},

	_events: {
		keydown: function( event ) {
			if ( this._start( event ) && this._keydown( event ) ) {
				event.preventDefault();
			}
		},
		keyup: "_stop",
		focus: function() {
			this.previous = this.element.val();
		},
		blur: function( event ) {
			if ( this.cancelBlur ) {
				delete this.cancelBlur;
				return;
			}

			this._stop();
			this._refresh();
			if ( this.previous !== this.element.val() ) {
				this._trigger( "change", event );
			}
		},
		mousewheel: function( event, delta ) {
			if ( !delta ) {
				return;
			}
			if ( !this.spinning && !this._start( event ) ) {
				return false;
			}

			this._spin( (delta > 0 ? 1 : -1) * this.options.step, event );
			clearTimeout( this.mousewheelTimer );
			this.mousewheelTimer = this._delay(function() {
				if ( this.spinning ) {
					this._stop( event );
				}
			}, 100 );
			event.preventDefault();
		},
		"mousedown .ui-spinner-button": function( event ) {
			var previous;

			// We never want the buttons to have focus; whenever the user is
			// interacting with the spinner, the focus should be on the input.
			// If the input is focused then this.previous is properly set from
			// when the input first received focus. If the input is not focused
			// then we need to set this.previous based on the value before spinning.
			previous = this.element[0] === this.document[0].activeElement ?
				this.previous : this.element.val();
			function checkFocus() {
				var isActive = this.element[0] === this.document[0].activeElement;
				if ( !isActive ) {
					this.element.focus();
					this.previous = previous;
					// support: IE
					// IE sets focus asynchronously, so we need to check if focus
					// moved off of the input because the user clicked on the button.
					this._delay(function() {
						this.previous = previous;
					});
				}
			}

			// ensure focus is on (or stays on) the text field
			event.preventDefault();
			checkFocus.call( this );

			// support: IE
			// IE doesn't prevent moving focus even with event.preventDefault()
			// so we set a flag to know when we should ignore the blur event
			// and check (again) if focus moved off of the input.
			this.cancelBlur = true;
			this._delay(function() {
				delete this.cancelBlur;
				checkFocus.call( this );
			});

			if ( this._start( event ) === false ) {
				return;
			}

			this._repeat( null, $( event.currentTarget ).hasClass( "ui-spinner-up" ) ? 1 : -1, event );
		},
		"mouseup .ui-spinner-button": "_stop",
		"mouseenter .ui-spinner-button": function( event ) {
			// button will add ui-state-active if mouse was down while mouseleave and kept down
			if ( !$( event.currentTarget ).hasClass( "ui-state-active" ) ) {
				return;
			}

			if ( this._start( event ) === false ) {
				return false;
			}
			this._repeat( null, $( event.currentTarget ).hasClass( "ui-spinner-up" ) ? 1 : -1, event );
		},
		// TODO: do we really want to consider this a stop?
		// shouldn't we just stop the repeater and wait until mouseup before
		// we trigger the stop event?
		"mouseleave .ui-spinner-button": "_stop"
	},

	_draw: function() {
		var uiSpinner = this.uiSpinner = this.element
			.addClass( "ui-spinner-input" )
			.attr( "autocomplete", "off" )
			.wrap( this._uiSpinnerHtml() )
			.parent()
				// add buttons
				.append( this._buttonHtml() );

		this.element.attr( "role", "spinbutton" );

		// button bindings
		this.buttons = uiSpinner.find( ".ui-spinner-button" )
			.attr( "tabIndex", -1 )
			.button()
			.removeClass( "ui-corner-all" );

		// IE 6 doesn't understand height: 50% for the buttons
		// unless the wrapper has an explicit height
		if ( this.buttons.height() > Math.ceil( uiSpinner.height() * 0.5 ) &&
				uiSpinner.height() > 0 ) {
			uiSpinner.height( uiSpinner.height() );
		}

		// disable spinner if element was already disabled
		if ( this.options.disabled ) {
			this.disable();
		}
	},

	_keydown: function( event ) {
		var options = this.options,
			keyCode = $.ui.keyCode;

		switch ( event.keyCode ) {
		case keyCode.UP:
			this._repeat( null, 1, event );
			return true;
		case keyCode.DOWN:
			this._repeat( null, -1, event );
			return true;
		case keyCode.PAGE_UP:
			this._repeat( null, options.page, event );
			return true;
		case keyCode.PAGE_DOWN:
			this._repeat( null, -options.page, event );
			return true;
		}

		return false;
	},

	_uiSpinnerHtml: function() {
		return "<span class='ui-spinner ui-widget ui-widget-content ui-corner-all'></span>";
	},

	_buttonHtml: function() {
		return "" +
			"<a class='ui-spinner-button ui-spinner-up ui-corner-tr'>" +
				"<span class='ui-icon " + this.options.icons.up + "'>&#9650;</span>" +
			"</a>" +
			"<a class='ui-spinner-button ui-spinner-down ui-corner-br'>" +
				"<span class='ui-icon " + this.options.icons.down + "'>&#9660;</span>" +
			"</a>";
	},

	_start: function( event ) {
		if ( !this.spinning && this._trigger( "start", event ) === false ) {
			return false;
		}

		if ( !this.counter ) {
			this.counter = 1;
		}
		this.spinning = true;
		return true;
	},

	_repeat: function( i, steps, event ) {
		i = i || 500;

		clearTimeout( this.timer );
		this.timer = this._delay(function() {
			this._repeat( 40, steps, event );
		}, i );

		this._spin( steps * this.options.step, event );
	},

	_spin: function( step, event ) {
		var value = this.value() || 0;

		if ( !this.counter ) {
			this.counter = 1;
		}

		value = this._adjustValue( value + step * this._increment( this.counter ) );

		if ( !this.spinning || this._trigger( "spin", event, { value: value } ) !== false) {
			this._value( value );
			this.counter++;
		}
	},

	_increment: function( i ) {
		var incremental = this.options.incremental;

		if ( incremental ) {
			return $.isFunction( incremental ) ?
				incremental( i ) :
				Math.floor( i*i*i/50000 - i*i/500 + 17*i/200 + 1 );
		}

		return 1;
	},

	_precision: function() {
		var precision = this._precisionOf( this.options.step );
		if ( this.options.min !== null ) {
			precision = Math.max( precision, this._precisionOf( this.options.min ) );
		}
		return precision;
	},

	_precisionOf: function( num ) {
		var str = num.toString(),
			decimal = str.indexOf( "." );
		return decimal === -1 ? 0 : str.length - decimal - 1;
	},

	_adjustValue: function( value ) {
		var base, aboveMin,
			options = this.options;

		// make sure we're at a valid step
		// - find out where we are relative to the base (min or 0)
		base = options.min !== null ? options.min : 0;
		aboveMin = value - base;
		// - round to the nearest step
		aboveMin = Math.round(aboveMin / options.step) * options.step;
		// - rounding is based on 0, so adjust back to our base
		value = base + aboveMin;

		// fix precision from bad JS floating point math
		value = parseFloat( value.toFixed( this._precision() ) );

		// clamp the value
		if ( options.max !== null && value > options.max) {
			return options.max;
		}
		if ( options.min !== null && value < options.min ) {
			return options.min;
		}

		return value;
	},

	_stop: function( event ) {
		if ( !this.spinning ) {
			return;
		}

		clearTimeout( this.timer );
		clearTimeout( this.mousewheelTimer );
		this.counter = 0;
		this.spinning = false;
		this._trigger( "stop", event );
	},

	_setOption: function( key, value ) {
		if ( key === "culture" || key === "numberFormat" ) {
			var prevValue = this._parse( this.element.val() );
			this.options[ key ] = value;
			this.element.val( this._format( prevValue ) );
			return;
		}

		if ( key === "max" || key === "min" || key === "step" ) {
			if ( typeof value === "string" ) {
				value = this._parse( value );
			}
		}
		if ( key === "icons" ) {
			this.buttons.first().find( ".ui-icon" )
				.removeClass( this.options.icons.up )
				.addClass( value.up );
			this.buttons.last().find( ".ui-icon" )
				.removeClass( this.options.icons.down )
				.addClass( value.down );
		}

		this._super( key, value );

		if ( key === "disabled" ) {
			if ( value ) {
				this.element.prop( "disabled", true );
				this.buttons.button( "disable" );
			} else {
				this.element.prop( "disabled", false );
				this.buttons.button( "enable" );
			}
		}
	},

	_setOptions: modifier(function( options ) {
		this._super( options );
		this._value( this.element.val() );
	}),

	_parse: function( val ) {
		if ( typeof val === "string" && val !== "" ) {
			val = window.Globalize && this.options.numberFormat ?
				Globalize.parseFloat( val, 10, this.options.culture ) : +val;
		}
		return val === "" || isNaN( val ) ? null : val;
	},

	_format: function( value ) {
		if ( value === "" ) {
			return "";
		}
		return window.Globalize && this.options.numberFormat ?
			Globalize.format( value, this.options.numberFormat, this.options.culture ) :
			value;
	},

	_refresh: function() {
		this.element.attr({
			"aria-valuemin": this.options.min,
			"aria-valuemax": this.options.max,
			// TODO: what should we do with values that can't be parsed?
			"aria-valuenow": this._parse( this.element.val() )
		});
	},

	// update the value without triggering change
	_value: function( value, allowAny ) {
		var parsed;
		if ( value !== "" ) {
			parsed = this._parse( value );
			if ( parsed !== null ) {
				if ( !allowAny ) {
					parsed = this._adjustValue( parsed );
				}
				value = this._format( parsed );
			}
		}
		this.element.val( value );
		this._refresh();
	},

	_destroy: function() {
		this.element
			.removeClass( "ui-spinner-input" )
			.prop( "disabled", false )
			.removeAttr( "autocomplete" )
			.removeAttr( "role" )
			.removeAttr( "aria-valuemin" )
			.removeAttr( "aria-valuemax" )
			.removeAttr( "aria-valuenow" );
		this.uiSpinner.replaceWith( this.element );
	},

	stepUp: modifier(function( steps ) {
		this._stepUp( steps );
	}),
	_stepUp: function( steps ) {
		if ( this._start() ) {
			this._spin( (steps || 1) * this.options.step );
			this._stop();
		}
	},

	stepDown: modifier(function( steps ) {
		this._stepDown( steps );
	}),
	_stepDown: function( steps ) {
		if ( this._start() ) {
			this._spin( (steps || 1) * -this.options.step );
			this._stop();
		}
	},

	pageUp: modifier(function( pages ) {
		this._stepUp( (pages || 1) * this.options.page );
	}),

	pageDown: modifier(function( pages ) {
		this._stepDown( (pages || 1) * this.options.page );
	}),

	value: function( newVal ) {
		if ( !arguments.length ) {
			return this._parse( this.element.val() );
		}
		modifier( this._value ).call( this, newVal );
	},

	widget: function() {
		return this.uiSpinner;
	}
});

}( jQuery ) );

(function( $, undefined ) {

var tabId = 0,
	rhash = /#.*$/;

function getNextTabId() {
	return ++tabId;
}

function isLocal( anchor ) {
	return anchor.hash.length > 1 &&
		decodeURIComponent( anchor.href.replace( rhash, "" ) ) ===
			decodeURIComponent( location.href.replace( rhash, "" ) );
}

$.widget( "ui.tabs", {
	version: "1.10.2",
	delay: 300,
	options: {
		active: null,
		collapsible: false,
		event: "click",
		heightStyle: "content",
		hide: null,
		show: null,

		// callbacks
		activate: null,
		beforeActivate: null,
		beforeLoad: null,
		load: null
	},

	_create: function() {
		var that = this,
			options = this.options;

		this.running = false;

		this.element
			.addClass( "ui-tabs ui-widget ui-widget-content ui-corner-all" )
			.toggleClass( "ui-tabs-collapsible", options.collapsible )
			// Prevent users from focusing disabled tabs via click
			.delegate( ".ui-tabs-nav > li", "mousedown" + this.eventNamespace, function( event ) {
				if ( $( this ).is( ".ui-state-disabled" ) ) {
					event.preventDefault();
				}
			})
			// support: IE <9
			// Preventing the default action in mousedown doesn't prevent IE
			// from focusing the element, so if the anchor gets focused, blur.
			// We don't have to worry about focusing the previously focused
			// element since clicking on a non-focusable element should focus
			// the body anyway.
			.delegate( ".ui-tabs-anchor", "focus" + this.eventNamespace, function() {
				if ( $( this ).closest( "li" ).is( ".ui-state-disabled" ) ) {
					this.blur();
				}
			});

		this._processTabs();
		options.active = this._initialActive();

		// Take disabling tabs via class attribute from HTML
		// into account and update option properly.
		if ( $.isArray( options.disabled ) ) {
			options.disabled = $.unique( options.disabled.concat(
				$.map( this.tabs.filter( ".ui-state-disabled" ), function( li ) {
					return that.tabs.index( li );
				})
			) ).sort();
		}

		// check for length avoids error when initializing empty list
		if ( this.options.active !== false && this.anchors.length ) {
			this.active = this._findActive( options.active );
		} else {
			this.active = $();
		}

		this._refresh();

		if ( this.active.length ) {
			this.load( options.active );
		}
	},

	_initialActive: function() {
		var active = this.options.active,
			collapsible = this.options.collapsible,
			locationHash = location.hash.substring( 1 );

		if ( active === null ) {
			// check the fragment identifier in the URL
			if ( locationHash ) {
				this.tabs.each(function( i, tab ) {
					if ( $( tab ).attr( "aria-controls" ) === locationHash ) {
						active = i;
						return false;
					}
				});
			}

			// check for a tab marked active via a class
			if ( active === null ) {
				active = this.tabs.index( this.tabs.filter( ".ui-tabs-active" ) );
			}

			// no active tab, set to false
			if ( active === null || active === -1 ) {
				active = this.tabs.length ? 0 : false;
			}
		}

		// handle numbers: negative, out of range
		if ( active !== false ) {
			active = this.tabs.index( this.tabs.eq( active ) );
			if ( active === -1 ) {
				active = collapsible ? false : 0;
			}
		}

		// don't allow collapsible: false and active: false
		if ( !collapsible && active === false && this.anchors.length ) {
			active = 0;
		}

		return active;
	},

	_getCreateEventData: function() {
		return {
			tab: this.active,
			panel: !this.active.length ? $() : this._getPanelForTab( this.active )
		};
	},

	_tabKeydown: function( event ) {
		/*jshint maxcomplexity:15*/
		var focusedTab = $( this.document[0].activeElement ).closest( "li" ),
			selectedIndex = this.tabs.index( focusedTab ),
			goingForward = true;

		if ( this._handlePageNav( event ) ) {
			return;
		}

		switch ( event.keyCode ) {
			case $.ui.keyCode.RIGHT:
			case $.ui.keyCode.DOWN:
				selectedIndex++;
				break;
			case $.ui.keyCode.UP:
			case $.ui.keyCode.LEFT:
				goingForward = false;
				selectedIndex--;
				break;
			case $.ui.keyCode.END:
				selectedIndex = this.anchors.length - 1;
				break;
			case $.ui.keyCode.HOME:
				selectedIndex = 0;
				break;
			case $.ui.keyCode.SPACE:
				// Activate only, no collapsing
				event.preventDefault();
				clearTimeout( this.activating );
				this._activate( selectedIndex );
				return;
			case $.ui.keyCode.ENTER:
				// Toggle (cancel delayed activation, allow collapsing)
				event.preventDefault();
				clearTimeout( this.activating );
				// Determine if we should collapse or activate
				this._activate( selectedIndex === this.options.active ? false : selectedIndex );
				return;
			default:
				return;
		}

		// Focus the appropriate tab, based on which key was pressed
		event.preventDefault();
		clearTimeout( this.activating );
		selectedIndex = this._focusNextTab( selectedIndex, goingForward );

		// Navigating with control key will prevent automatic activation
		if ( !event.ctrlKey ) {
			// Update aria-selected immediately so that AT think the tab is already selected.
			// Otherwise AT may confuse the user by stating that they need to activate the tab,
			// but the tab will already be activated by the time the announcement finishes.
			focusedTab.attr( "aria-selected", "false" );
			this.tabs.eq( selectedIndex ).attr( "aria-selected", "true" );

			this.activating = this._delay(function() {
				this.option( "active", selectedIndex );
			}, this.delay );
		}
	},

	_panelKeydown: function( event ) {
		if ( this._handlePageNav( event ) ) {
			return;
		}

		// Ctrl+up moves focus to the current tab
		if ( event.ctrlKey && event.keyCode === $.ui.keyCode.UP ) {
			event.preventDefault();
			this.active.focus();
		}
	},

	// Alt+page up/down moves focus to the previous/next tab (and activates)
	_handlePageNav: function( event ) {
		if ( event.altKey && event.keyCode === $.ui.keyCode.PAGE_UP ) {
			this._activate( this._focusNextTab( this.options.active - 1, false ) );
			return true;
		}
		if ( event.altKey && event.keyCode === $.ui.keyCode.PAGE_DOWN ) {
			this._activate( this._focusNextTab( this.options.active + 1, true ) );
			return true;
		}
	},

	_findNextTab: function( index, goingForward ) {
		var lastTabIndex = this.tabs.length - 1;

		function constrain() {
			if ( index > lastTabIndex ) {
				index = 0;
			}
			if ( index < 0 ) {
				index = lastTabIndex;
			}
			return index;
		}

		while ( $.inArray( constrain(), this.options.disabled ) !== -1 ) {
			index = goingForward ? index + 1 : index - 1;
		}

		return index;
	},

	_focusNextTab: function( index, goingForward ) {
		index = this._findNextTab( index, goingForward );
		this.tabs.eq( index ).focus();
		return index;
	},

	_setOption: function( key, value ) {
		if ( key === "active" ) {
			// _activate() will handle invalid values and update this.options
			this._activate( value );
			return;
		}

		if ( key === "disabled" ) {
			// don't use the widget factory's disabled handling
			this._setupDisabled( value );
			return;
		}

		this._super( key, value);

		if ( key === "collapsible" ) {
			this.element.toggleClass( "ui-tabs-collapsible", value );
			// Setting collapsible: false while collapsed; open first panel
			if ( !value && this.options.active === false ) {
				this._activate( 0 );
			}
		}

		if ( key === "event" ) {
			this._setupEvents( value );
		}

		if ( key === "heightStyle" ) {
			this._setupHeightStyle( value );
		}
	},

	_tabId: function( tab ) {
		return tab.attr( "aria-controls" ) || "ui-tabs-" + getNextTabId();
	},

	_sanitizeSelector: function( hash ) {
		return hash ? hash.replace( /[!"$%&'()*+,.\/:;<=>?@\[\]\^`{|}~]/g, "\\$&" ) : "";
	},

	refresh: function() {
		var options = this.options,
			lis = this.tablist.children( ":has(a[href])" );

		// get disabled tabs from class attribute from HTML
		// this will get converted to a boolean if needed in _refresh()
		options.disabled = $.map( lis.filter( ".ui-state-disabled" ), function( tab ) {
			return lis.index( tab );
		});

		this._processTabs();

		// was collapsed or no tabs
		if ( options.active === false || !this.anchors.length ) {
			options.active = false;
			this.active = $();
		// was active, but active tab is gone
		} else if ( this.active.length && !$.contains( this.tablist[ 0 ], this.active[ 0 ] ) ) {
			// all remaining tabs are disabled
			if ( this.tabs.length === options.disabled.length ) {
				options.active = false;
				this.active = $();
			// activate previous tab
			} else {
				this._activate( this._findNextTab( Math.max( 0, options.active - 1 ), false ) );
			}
		// was active, active tab still exists
		} else {
			// make sure active index is correct
			options.active = this.tabs.index( this.active );
		}

		this._refresh();
	},

	_refresh: function() {
		this._setupDisabled( this.options.disabled );
		this._setupEvents( this.options.event );
		this._setupHeightStyle( this.options.heightStyle );

		this.tabs.not( this.active ).attr({
			"aria-selected": "false",
			tabIndex: -1
		});
		this.panels.not( this._getPanelForTab( this.active ) )
			.hide()
			.attr({
				"aria-expanded": "false",
				"aria-hidden": "true"
			});

		// Make sure one tab is in the tab order
		if ( !this.active.length ) {
			this.tabs.eq( 0 ).attr( "tabIndex", 0 );
		} else {
			this.active
				.addClass( "ui-tabs-active ui-state-active" )
				.attr({
					"aria-selected": "true",
					tabIndex: 0
				});
			this._getPanelForTab( this.active )
				.show()
				.attr({
					"aria-expanded": "true",
					"aria-hidden": "false"
				});
		}
	},

	_processTabs: function() {
		var that = this;

		this.tablist = this._getList()
			.addClass( "ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all" )
			.attr( "role", "tablist" );

		this.tabs = this.tablist.find( "> li:has(a[href])" )
			.addClass( "ui-state-default ui-corner-top" )
			.attr({
				role: "tab",
				tabIndex: -1
			});

		this.anchors = this.tabs.map(function() {
				return $( "a", this )[ 0 ];
			})
			.addClass( "ui-tabs-anchor" )
			.attr({
				role: "presentation",
				tabIndex: -1
			});

		this.panels = $();

		this.anchors.each(function( i, anchor ) {
			var selector, panel, panelId,
				anchorId = $( anchor ).uniqueId().attr( "id" ),
				tab = $( anchor ).closest( "li" ),
				originalAriaControls = tab.attr( "aria-controls" );

			// inline tab
			if ( isLocal( anchor ) ) {
				selector = anchor.hash;
				panel = that.element.find( that._sanitizeSelector( selector ) );
			// remote tab
			} else {
				panelId = that._tabId( tab );
				selector = "#" + panelId;
				panel = that.element.find( selector );
				if ( !panel.length ) {
					panel = that._createPanel( panelId );
					panel.insertAfter( that.panels[ i - 1 ] || that.tablist );
				}
				panel.attr( "aria-live", "polite" );
			}

			if ( panel.length) {
				that.panels = that.panels.add( panel );
			}
			if ( originalAriaControls ) {
				tab.data( "ui-tabs-aria-controls", originalAriaControls );
			}
			tab.attr({
				"aria-controls": selector.substring( 1 ),
				"aria-labelledby": anchorId
			});
			panel.attr( "aria-labelledby", anchorId );
		});

		this.panels
			.addClass( "ui-tabs-panel ui-widget-content ui-corner-bottom" )
			.attr( "role", "tabpanel" );
	},

	// allow overriding how to find the list for rare usage scenarios (#7715)
	_getList: function() {
		return this.element.find( "ol,ul" ).eq( 0 );
	},

	_createPanel: function( id ) {
		return $( "<div>" )
			.attr( "id", id )
			.addClass( "ui-tabs-panel ui-widget-content ui-corner-bottom" )
			.data( "ui-tabs-destroy", true );
	},

	_setupDisabled: function( disabled ) {
		if ( $.isArray( disabled ) ) {
			if ( !disabled.length ) {
				disabled = false;
			} else if ( disabled.length === this.anchors.length ) {
				disabled = true;
			}
		}

		// disable tabs
		for ( var i = 0, li; ( li = this.tabs[ i ] ); i++ ) {
			if ( disabled === true || $.inArray( i, disabled ) !== -1 ) {
				$( li )
					.addClass( "ui-state-disabled" )
					.attr( "aria-disabled", "true" );
			} else {
				$( li )
					.removeClass( "ui-state-disabled" )
					.removeAttr( "aria-disabled" );
			}
		}

		this.options.disabled = disabled;
	},

	_setupEvents: function( event ) {
		var events = {
			click: function( event ) {
				event.preventDefault();
			}
		};
		if ( event ) {
			$.each( event.split(" "), function( index, eventName ) {
				events[ eventName ] = "_eventHandler";
			});
		}

		this._off( this.anchors.add( this.tabs ).add( this.panels ) );
		this._on( this.anchors, events );
		this._on( this.tabs, { keydown: "_tabKeydown" } );
		this._on( this.panels, { keydown: "_panelKeydown" } );

		this._focusable( this.tabs );
		this._hoverable( this.tabs );
	},

	_setupHeightStyle: function( heightStyle ) {
		var maxHeight,
			parent = this.element.parent();

		if ( heightStyle === "fill" ) {
			maxHeight = parent.height();
			maxHeight -= this.element.outerHeight() - this.element.height();

			this.element.siblings( ":visible" ).each(function() {
				var elem = $( this ),
					position = elem.css( "position" );

				if ( position === "absolute" || position === "fixed" ) {
					return;
				}
				maxHeight -= elem.outerHeight( true );
			});

			this.element.children().not( this.panels ).each(function() {
				maxHeight -= $( this ).outerHeight( true );
			});

			this.panels.each(function() {
				$( this ).height( Math.max( 0, maxHeight -
					$( this ).innerHeight() + $( this ).height() ) );
			})
			.css( "overflow", "auto" );
		} else if ( heightStyle === "auto" ) {
			maxHeight = 0;
			this.panels.each(function() {
				maxHeight = Math.max( maxHeight, $( this ).height( "" ).height() );
			}).height( maxHeight );
		}
	},

	_eventHandler: function( event ) {
		var options = this.options,
			active = this.active,
			anchor = $( event.currentTarget ),
			tab = anchor.closest( "li" ),
			clickedIsActive = tab[ 0 ] === active[ 0 ],
			collapsing = clickedIsActive && options.collapsible,
			toShow = collapsing ? $() : this._getPanelForTab( tab ),
			toHide = !active.length ? $() : this._getPanelForTab( active ),
			eventData = {
				oldTab: active,
				oldPanel: toHide,
				newTab: collapsing ? $() : tab,
				newPanel: toShow
			};

		event.preventDefault();

		if ( tab.hasClass( "ui-state-disabled" ) ||
				// tab is already loading
				tab.hasClass( "ui-tabs-loading" ) ||
				// can't switch durning an animation
				this.running ||
				// click on active header, but not collapsible
				( clickedIsActive && !options.collapsible ) ||
				// allow canceling activation
				( this._trigger( "beforeActivate", event, eventData ) === false ) ) {
			return;
		}

		options.active = collapsing ? false : this.tabs.index( tab );

		this.active = clickedIsActive ? $() : tab;
		if ( this.xhr ) {
			this.xhr.abort();
		}

		if ( !toHide.length && !toShow.length ) {
			$.error( "jQuery UI Tabs: Mismatching fragment identifier." );
		}

		if ( toShow.length ) {
			this.load( this.tabs.index( tab ), event );
		}
		this._toggle( event, eventData );
	},

	// handles show/hide for selecting tabs
	_toggle: function( event, eventData ) {
		var that = this,
			toShow = eventData.newPanel,
			toHide = eventData.oldPanel;

		this.running = true;

		function complete() {
			that.running = false;
			that._trigger( "activate", event, eventData );
		}

		function show() {
			eventData.newTab.closest( "li" ).addClass( "ui-tabs-active ui-state-active" );

			if ( toShow.length && that.options.show ) {
				that._show( toShow, that.options.show, complete );
			} else {
				toShow.show();
				complete();
			}
		}

		// start out by hiding, then showing, then completing
		if ( toHide.length && this.options.hide ) {
			this._hide( toHide, this.options.hide, function() {
				eventData.oldTab.closest( "li" ).removeClass( "ui-tabs-active ui-state-active" );
				show();
			});
		} else {
			eventData.oldTab.closest( "li" ).removeClass( "ui-tabs-active ui-state-active" );
			toHide.hide();
			show();
		}

		toHide.attr({
			"aria-expanded": "false",
			"aria-hidden": "true"
		});
		eventData.oldTab.attr( "aria-selected", "false" );
		// If we're switching tabs, remove the old tab from the tab order.
		// If we're opening from collapsed state, remove the previous tab from the tab order.
		// If we're collapsing, then keep the collapsing tab in the tab order.
		if ( toShow.length && toHide.length ) {
			eventData.oldTab.attr( "tabIndex", -1 );
		} else if ( toShow.length ) {
			this.tabs.filter(function() {
				return $( this ).attr( "tabIndex" ) === 0;
			})
			.attr( "tabIndex", -1 );
		}

		toShow.attr({
			"aria-expanded": "true",
			"aria-hidden": "false"
		});
		eventData.newTab.attr({
			"aria-selected": "true",
			tabIndex: 0
		});
	},

	_activate: function( index ) {
		var anchor,
			active = this._findActive( index );

		// trying to activate the already active panel
		if ( active[ 0 ] === this.active[ 0 ] ) {
			return;
		}

		// trying to collapse, simulate a click on the current active header
		if ( !active.length ) {
			active = this.active;
		}

		anchor = active.find( ".ui-tabs-anchor" )[ 0 ];
		this._eventHandler({
			target: anchor,
			currentTarget: anchor,
			preventDefault: $.noop
		});
	},

	_findActive: function( index ) {
		return index === false ? $() : this.tabs.eq( index );
	},

	_getIndex: function( index ) {
		// meta-function to give users option to provide a href string instead of a numerical index.
		if ( typeof index === "string" ) {
			index = this.anchors.index( this.anchors.filter( "[href$='" + index + "']" ) );
		}

		return index;
	},

	_destroy: function() {
		if ( this.xhr ) {
			this.xhr.abort();
		}

		this.element.removeClass( "ui-tabs ui-widget ui-widget-content ui-corner-all ui-tabs-collapsible" );

		this.tablist
			.removeClass( "ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all" )
			.removeAttr( "role" );

		this.anchors
			.removeClass( "ui-tabs-anchor" )
			.removeAttr( "role" )
			.removeAttr( "tabIndex" )
			.removeUniqueId();

		this.tabs.add( this.panels ).each(function() {
			if ( $.data( this, "ui-tabs-destroy" ) ) {
				$( this ).remove();
			} else {
				$( this )
					.removeClass( "ui-state-default ui-state-active ui-state-disabled " +
						"ui-corner-top ui-corner-bottom ui-widget-content ui-tabs-active ui-tabs-panel" )
					.removeAttr( "tabIndex" )
					.removeAttr( "aria-live" )
					.removeAttr( "aria-busy" )
					.removeAttr( "aria-selected" )
					.removeAttr( "aria-labelledby" )
					.removeAttr( "aria-hidden" )
					.removeAttr( "aria-expanded" )
					.removeAttr( "role" );
			}
		});

		this.tabs.each(function() {
			var li = $( this ),
				prev = li.data( "ui-tabs-aria-controls" );
			if ( prev ) {
				li
					.attr( "aria-controls", prev )
					.removeData( "ui-tabs-aria-controls" );
			} else {
				li.removeAttr( "aria-controls" );
			}
		});

		this.panels.show();

		if ( this.options.heightStyle !== "content" ) {
			this.panels.css( "height", "" );
		}
	},

	enable: function( index ) {
		var disabled = this.options.disabled;
		if ( disabled === false ) {
			return;
		}

		if ( index === undefined ) {
			disabled = false;
		} else {
			index = this._getIndex( index );
			if ( $.isArray( disabled ) ) {
				disabled = $.map( disabled, function( num ) {
					return num !== index ? num : null;
				});
			} else {
				disabled = $.map( this.tabs, function( li, num ) {
					return num !== index ? num : null;
				});
			}
		}
		this._setupDisabled( disabled );
	},

	disable: function( index ) {
		var disabled = this.options.disabled;
		if ( disabled === true ) {
			return;
		}

		if ( index === undefined ) {
			disabled = true;
		} else {
			index = this._getIndex( index );
			if ( $.inArray( index, disabled ) !== -1 ) {
				return;
			}
			if ( $.isArray( disabled ) ) {
				disabled = $.merge( [ index ], disabled ).sort();
			} else {
				disabled = [ index ];
			}
		}
		this._setupDisabled( disabled );
	},

	load: function( index, event ) {
		index = this._getIndex( index );
		var that = this,
			tab = this.tabs.eq( index ),
			anchor = tab.find( ".ui-tabs-anchor" ),
			panel = this._getPanelForTab( tab ),
			eventData = {
				tab: tab,
				panel: panel
			};

		// not remote
		if ( isLocal( anchor[ 0 ] ) ) {
			return;
		}

		this.xhr = $.ajax( this._ajaxSettings( anchor, event, eventData ) );

		// support: jQuery <1.8
		// jQuery <1.8 returns false if the request is canceled in beforeSend,
		// but as of 1.8, $.ajax() always returns a jqXHR object.
		if ( this.xhr && this.xhr.statusText !== "canceled" ) {
			tab.addClass( "ui-tabs-loading" );
			panel.attr( "aria-busy", "true" );

			this.xhr
				.success(function( response ) {
					// support: jQuery <1.8
					// http://bugs.jquery.com/ticket/11778
					setTimeout(function() {
						panel.html( response );
						that._trigger( "load", event, eventData );
					}, 1 );
				})
				.complete(function( jqXHR, status ) {
					// support: jQuery <1.8
					// http://bugs.jquery.com/ticket/11778
					setTimeout(function() {
						if ( status === "abort" ) {
							that.panels.stop( false, true );
						}

						tab.removeClass( "ui-tabs-loading" );
						panel.removeAttr( "aria-busy" );

						if ( jqXHR === that.xhr ) {
							delete that.xhr;
						}
					}, 1 );
				});
		}
	},

	_ajaxSettings: function( anchor, event, eventData ) {
		var that = this;
		return {
			url: anchor.attr( "href" ),
			beforeSend: function( jqXHR, settings ) {
				return that._trigger( "beforeLoad", event,
					$.extend( { jqXHR : jqXHR, ajaxSettings: settings }, eventData ) );
			}
		};
	},

	_getPanelForTab: function( tab ) {
		var id = $( tab ).attr( "aria-controls" );
		return this.element.find( this._sanitizeSelector( "#" + id ) );
	}
});

})( jQuery );

(function( $ ) {

var increments = 0;

function addDescribedBy( elem, id ) {
	var describedby = (elem.attr( "aria-describedby" ) || "").split( /\s+/ );
	describedby.push( id );
	elem
		.data( "ui-tooltip-id", id )
		.attr( "aria-describedby", $.trim( describedby.join( " " ) ) );
}

function removeDescribedBy( elem ) {
	var id = elem.data( "ui-tooltip-id" ),
		describedby = (elem.attr( "aria-describedby" ) || "").split( /\s+/ ),
		index = $.inArray( id, describedby );
	if ( index !== -1 ) {
		describedby.splice( index, 1 );
	}

	elem.removeData( "ui-tooltip-id" );
	describedby = $.trim( describedby.join( " " ) );
	if ( describedby ) {
		elem.attr( "aria-describedby", describedby );
	} else {
		elem.removeAttr( "aria-describedby" );
	}
}

$.widget( "ui.tooltip", {
	version: "1.10.2",
	options: {
		content: function() {
			// support: IE<9, Opera in jQuery <1.7
			// .text() can't accept undefined, so coerce to a string
			var title = $( this ).attr( "title" ) || "";
			// Escape title, since we're going from an attribute to raw HTML
			return $( "<a>" ).text( title ).html();
		},
		hide: true,
		// Disabled elements have inconsistent behavior across browsers (#8661)
		items: "[title]:not([disabled])",
		position: {
			my: "left top+15",
			at: "left bottom",
			collision: "flipfit flip"
		},
		show: true,
		tooltipClass: null,
		track: false,

		// callbacks
		close: null,
		open: null
	},

	_create: function() {
		this._on({
			mouseover: "open",
			focusin: "open"
		});

		// IDs of generated tooltips, needed for destroy
		this.tooltips = {};
		// IDs of parent tooltips where we removed the title attribute
		this.parents = {};

		if ( this.options.disabled ) {
			this._disable();
		}
	},

	_setOption: function( key, value ) {
		var that = this;

		if ( key === "disabled" ) {
			this[ value ? "_disable" : "_enable" ]();
			this.options[ key ] = value;
			// disable element style changes
			return;
		}

		this._super( key, value );

		if ( key === "content" ) {
			$.each( this.tooltips, function( id, element ) {
				that._updateContent( element );
			});
		}
	},

	_disable: function() {
		var that = this;

		// close open tooltips
		$.each( this.tooltips, function( id, element ) {
			var event = $.Event( "blur" );
			event.target = event.currentTarget = element[0];
			that.close( event, true );
		});

		// remove title attributes to prevent native tooltips
		this.element.find( this.options.items ).addBack().each(function() {
			var element = $( this );
			if ( element.is( "[title]" ) ) {
				element
					.data( "ui-tooltip-title", element.attr( "title" ) )
					.attr( "title", "" );
			}
		});
	},

	_enable: function() {
		// restore title attributes
		this.element.find( this.options.items ).addBack().each(function() {
			var element = $( this );
			if ( element.data( "ui-tooltip-title" ) ) {
				element.attr( "title", element.data( "ui-tooltip-title" ) );
			}
		});
	},

	open: function( event ) {
		var that = this,
			target = $( event ? event.target : this.element )
				// we need closest here due to mouseover bubbling,
				// but always pointing at the same event target
				.closest( this.options.items );

		// No element to show a tooltip for or the tooltip is already open
		if ( !target.length || target.data( "ui-tooltip-id" ) ) {
			return;
		}

		if ( target.attr( "title" ) ) {
			target.data( "ui-tooltip-title", target.attr( "title" ) );
		}

		target.data( "ui-tooltip-open", true );

		// kill parent tooltips, custom or native, for hover
		if ( event && event.type === "mouseover" ) {
			target.parents().each(function() {
				var parent = $( this ),
					blurEvent;
				if ( parent.data( "ui-tooltip-open" ) ) {
					blurEvent = $.Event( "blur" );
					blurEvent.target = blurEvent.currentTarget = this;
					that.close( blurEvent, true );
				}
				if ( parent.attr( "title" ) ) {
					parent.uniqueId();
					that.parents[ this.id ] = {
						element: this,
						title: parent.attr( "title" )
					};
					parent.attr( "title", "" );
				}
			});
		}

		this._updateContent( target, event );
	},

	_updateContent: function( target, event ) {
		var content,
			contentOption = this.options.content,
			that = this,
			eventType = event ? event.type : null;

		if ( typeof contentOption === "string" ) {
			return this._open( event, target, contentOption );
		}

		content = contentOption.call( target[0], function( response ) {
			// ignore async response if tooltip was closed already
			if ( !target.data( "ui-tooltip-open" ) ) {
				return;
			}
			// IE may instantly serve a cached response for ajax requests
			// delay this call to _open so the other call to _open runs first
			that._delay(function() {
				// jQuery creates a special event for focusin when it doesn't
				// exist natively. To improve performance, the native event
				// object is reused and the type is changed. Therefore, we can't
				// rely on the type being correct after the event finished
				// bubbling, so we set it back to the previous value. (#8740)
				if ( event ) {
					event.type = eventType;
				}
				this._open( event, target, response );
			});
		});
		if ( content ) {
			this._open( event, target, content );
		}
	},

	_open: function( event, target, content ) {
		var tooltip, events, delayedShow,
			positionOption = $.extend( {}, this.options.position );

		if ( !content ) {
			return;
		}

		// Content can be updated multiple times. If the tooltip already
		// exists, then just update the content and bail.
		tooltip = this._find( target );
		if ( tooltip.length ) {
			tooltip.find( ".ui-tooltip-content" ).html( content );
			return;
		}

		// if we have a title, clear it to prevent the native tooltip
		// we have to check first to avoid defining a title if none exists
		// (we don't want to cause an element to start matching [title])
		//
		// We use removeAttr only for key events, to allow IE to export the correct
		// accessible attributes. For mouse events, set to empty string to avoid
		// native tooltip showing up (happens only when removing inside mouseover).
		if ( target.is( "[title]" ) ) {
			if ( event && event.type === "mouseover" ) {
				target.attr( "title", "" );
			} else {
				target.removeAttr( "title" );
			}
		}

		tooltip = this._tooltip( target );
		addDescribedBy( target, tooltip.attr( "id" ) );
		tooltip.find( ".ui-tooltip-content" ).html( content );

		function position( event ) {
			positionOption.of = event;
			if ( tooltip.is( ":hidden" ) ) {
				return;
			}
			tooltip.position( positionOption );
		}
		if ( this.options.track && event && /^mouse/.test( event.type ) ) {
			this._on( this.document, {
				mousemove: position
			});
			// trigger once to override element-relative positioning
			position( event );
		} else {
			tooltip.position( $.extend({
				of: target
			}, this.options.position ) );
		}

		tooltip.hide();

		this._show( tooltip, this.options.show );
		// Handle tracking tooltips that are shown with a delay (#8644). As soon
		// as the tooltip is visible, position the tooltip using the most recent
		// event.
		if ( this.options.show && this.options.show.delay ) {
			delayedShow = this.delayedShow = setInterval(function() {
				if ( tooltip.is( ":visible" ) ) {
					position( positionOption.of );
					clearInterval( delayedShow );
				}
			}, $.fx.interval );
		}

		this._trigger( "open", event, { tooltip: tooltip } );

		events = {
			keyup: function( event ) {
				if ( event.keyCode === $.ui.keyCode.ESCAPE ) {
					var fakeEvent = $.Event(event);
					fakeEvent.currentTarget = target[0];
					this.close( fakeEvent, true );
				}
			},
			remove: function() {
				this._removeTooltip( tooltip );
			}
		};
		if ( !event || event.type === "mouseover" ) {
			events.mouseleave = "close";
		}
		if ( !event || event.type === "focusin" ) {
			events.focusout = "close";
		}
		this._on( true, target, events );
	},

	close: function( event ) {
		var that = this,
			target = $( event ? event.currentTarget : this.element ),
			tooltip = this._find( target );

		// disabling closes the tooltip, so we need to track when we're closing
		// to avoid an infinite loop in case the tooltip becomes disabled on close
		if ( this.closing ) {
			return;
		}

		// Clear the interval for delayed tracking tooltips
		clearInterval( this.delayedShow );

		// only set title if we had one before (see comment in _open())
		if ( target.data( "ui-tooltip-title" ) ) {
			target.attr( "title", target.data( "ui-tooltip-title" ) );
		}

		removeDescribedBy( target );

		tooltip.stop( true );
		this._hide( tooltip, this.options.hide, function() {
			that._removeTooltip( $( this ) );
		});

		target.removeData( "ui-tooltip-open" );
		this._off( target, "mouseleave focusout keyup" );
		// Remove 'remove' binding only on delegated targets
		if ( target[0] !== this.element[0] ) {
			this._off( target, "remove" );
		}
		this._off( this.document, "mousemove" );

		if ( event && event.type === "mouseleave" ) {
			$.each( this.parents, function( id, parent ) {
				$( parent.element ).attr( "title", parent.title );
				delete that.parents[ id ];
			});
		}

		this.closing = true;
		this._trigger( "close", event, { tooltip: tooltip } );
		this.closing = false;
	},

	_tooltip: function( element ) {
		var id = "ui-tooltip-" + increments++,
			tooltip = $( "<div>" )
				.attr({
					id: id,
					role: "tooltip"
				})
				.addClass( "ui-tooltip ui-widget ui-corner-all ui-widget-content " +
					( this.options.tooltipClass || "" ) );
		$( "<div>" )
			.addClass( "ui-tooltip-content" )
			.appendTo( tooltip );
		tooltip.appendTo( this.document[0].body );
		this.tooltips[ id ] = element;
		return tooltip;
	},

	_find: function( target ) {
		var id = target.data( "ui-tooltip-id" );
		return id ? $( "#" + id ) : $();
	},

	_removeTooltip: function( tooltip ) {
		tooltip.remove();
		delete this.tooltips[ tooltip.attr( "id" ) ];
	},

	_destroy: function() {
		var that = this;

		// close open tooltips
		$.each( this.tooltips, function( id, element ) {
			// Delegate to close method to handle common cleanup
			var event = $.Event( "blur" );
			event.target = event.currentTarget = element[0];
			that.close( event, true );

			// Remove immediately; destroying an open tooltip doesn't use the
			// hide animation
			$( "#" + id ).remove();

			// Restore the title
			if ( element.data( "ui-tooltip-title" ) ) {
				element.attr( "title", element.data( "ui-tooltip-title" ) );
				element.removeData( "ui-tooltip-title" );
			}
		});
	}
});

}( jQuery ) );

/*!
 * jQuery UI Touch Punch 0.2.2
 *
 * Copyright 2011, Dave Furfero
 * Dual licensed under the MIT or GPL Version 2 licenses.
 *
 * Depends:
 *  jquery.ui.widget.js
 *  jquery.ui.mouse.js
 */
(function ($) {

  // Detect touch support
  $.support.touch = 'ontouchend' in document;

  // Ignore browsers without touch support
  if (!$.support.touch) {
    return;
  }

  var mouseProto = $.ui.mouse.prototype,
      _mouseInit = mouseProto._mouseInit,
      touchHandled;

  /**
   * Simulate a mouse event based on a corresponding touch event
   * @param {Object} event A touch event
   * @param {String} simulatedType The corresponding mouse event
   */
  function simulateMouseEvent (event, simulatedType) {

    // Ignore multi-touch events
    if (event.originalEvent.touches.length > 1) {
      return;
    }

    event.preventDefault();

    var touch = event.originalEvent.changedTouches[0],
        simulatedEvent = document.createEvent('MouseEvents');

    // Initialize the simulated mouse event using the touch event's coordinates
    simulatedEvent.initMouseEvent(
      simulatedType,    // type
      true,             // bubbles
      true,             // cancelable
      window,           // view
      1,                // detail
      touch.screenX,    // screenX
      touch.screenY,    // screenY
      touch.clientX,    // clientX
      touch.clientY,    // clientY
      false,            // ctrlKey
      false,            // altKey
      false,            // shiftKey
      false,            // metaKey
      0,                // button
      null              // relatedTarget
    );

    // Dispatch the simulated event to the target element
    event.target.dispatchEvent(simulatedEvent);
  }

  /**
   * Handle the jQuery UI widget's touchstart events
   * @param {Object} event The widget element's touchstart event
   */
  mouseProto._touchStart = function (event) {

    var self = this;

    // Ignore the event if another widget is already being handled
    if (touchHandled || !self._mouseCapture(event.originalEvent.changedTouches[0])) {
      return;
    }

    // Set the flag to prevent other widgets from inheriting the touch event
    touchHandled = true;

    // Track movement to determine if interaction was a click
    self._touchMoved = false;

    // Simulate the mouseover event
    simulateMouseEvent(event, 'mouseover');

    // Simulate the mousemove event
    simulateMouseEvent(event, 'mousemove');

    // Simulate the mousedown event
    simulateMouseEvent(event, 'mousedown');
  };

  /**
   * Handle the jQuery UI widget's touchmove events
   * @param {Object} event The document's touchmove event
   */
  mouseProto._touchMove = function (event) {

    // Ignore event if not handled
    if (!touchHandled) {
      return;
    }

    // Interaction was not a click
    this._touchMoved = true;

    // Simulate the mousemove event
    simulateMouseEvent(event, 'mousemove');

    event.stopPropagation();
  };

  /**
   * Handle the jQuery UI widget's touchend events
   * @param {Object} event The document's touchend event
   */
  mouseProto._touchEnd = function (event) {

    // Ignore event if not handled
    if (!touchHandled) {
      return;
    }

    // Simulate the mouseup event
    simulateMouseEvent(event, 'mouseup');

    // Simulate the mouseout event
    simulateMouseEvent(event, 'mouseout');

    // If the touch interaction did not move, it should trigger a click
    if (!this._touchMoved) {

      // Simulate the click event
      simulateMouseEvent(event, 'click');
    }

    // Unset the flag to allow other widgets to inherit the touch event
    touchHandled = false;
  };

  /**
   * A duck punch of the $.ui.mouse _mouseInit method to support touch events.
   * This method extends the widget with bound touch event handlers that
   * translate touch events to mouse events and pass them to the widget's
   * original mouse event handling methods.
   */
  mouseProto._mouseInit = function () {

    var self = this;

    // Delegate the touch handlers to the widget's element
    self.element
      .bind('touchstart', $.proxy(self, '_touchStart'))
      .bind('touchmove', $.proxy(self, '_touchMove'))
      .bind('touchend', $.proxy(self, '_touchEnd'));

    // Call the original $.ui.mouse init method
    _mouseInit.call(self);
  };
})(jQuery);

(function ($) {
  // This is a hack to make stuff like ckeditor work inside modal dialogs. Since ckeditor dialogs are placed on body and not in the ui.dialog's DOM. See http://bugs.jqueryui.com/ticket/9087
  $.widget("ui.dialog", $.ui.dialog, {
    _allowInteraction: function (event) {
      return true;
    }
  });

  $.ui.dialog.prototype._focusTabbable = function () {};
})(jQuery);

jQuery = oldJQuery;
;
!function(e){function t(r){if(n[r])return n[r].exports;var o=n[r]={i:r,l:!1,exports:{}};return e[r].call(o.exports,o,o.exports,t),o.l=!0,o.exports}var n={};t.m=e,t.c=n,t.i=function(e){return e},t.d=function(e,n,r){t.o(e,n)||Object.defineProperty(e,n,{configurable:!1,enumerable:!0,get:r})},t.n=function(e){var n=e&&e.__esModule?function(){return e.default}:function(){return e};return t.d(n,"a",n),n},t.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},t.p="",t(t.s=11)}([function(e,t,n){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var r=t.curry=function(e){var t=e.length;return function n(){var r=Array.prototype.slice.call(arguments,0);return r.length>=t?e.apply(null,r):function(){var e=Array.prototype.slice.call(arguments,0);return n.apply(null,r.concat(e))}}},o=(t.compose=function(){for(var e=arguments.length,t=Array(e),n=0;n<e;n++)t[n]=arguments[n];return t.reduce(function(e,t){return function(){return e(t.apply(void 0,arguments))}})},t.forEach=r(function(e,t){t.forEach(e)}),t.map=r(function(e,t){return t.map(e)}),t.filter=r(function(e,t){return t.filter(e)})),a=(t.some=r(function(e,t){return t.some(e)}),t.contains=r(function(e,t){return-1!=t.indexOf(e)}));t.without=r(function(e,t){return o(function(t){return!a(t,e)},t)}),t.inverseBooleanString=function(e){return("true"!==e).toString()}},function(e,t,n){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.createElement=t.toggleClass=t.toggleVisibility=t.show=t.hide=t.removeClass=t.addClass=t.classListContains=t.removeChild=t.querySelectorAll=t.nodeListToArray=t.querySelector=t.appendChild=t.toggleAttribute=t.attributeEquals=t.hasAttribute=t.removeAttribute=t.setAttribute=t.getAttribute=void 0;var r=n(0),o=t.getAttribute=(0,r.curry)(function(e,t){return t.getAttribute(e)}),a=t.setAttribute=(0,r.curry)(function(e,t,n){return n.setAttribute(e,t)}),i=(t.removeAttribute=(0,r.curry)(function(e,t){return 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t.classList.remove(e)}),c=t.hide=s("hidden"),u=t.show=l("hidden");t.toggleVisibility=(0,r.curry)(function(e,t){return(e?u:c)(t)}),t.toggleClass=(0,r.curry)(function(e,t,n){n.classList[t?"add":"remove"](e)}),t.createElement=function(e){var t=e.tag,n=e.id,r=e.classes,o=e.attributes,a=document.createElement(t);return n&&(a.id=n),r&&r.forEach(function(e){a.classList.add(e)}),o&&Object.keys(o).forEach(function(e){a.setAttribute(e,o[e])}),a}},function(e,t,n){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var r=function(e){var t=e.length;return function n(){var r=Array.prototype.slice.call(arguments,0);return r.length>=t?e.apply(null,r):function(){var e=Array.prototype.slice.call(arguments,0);return n.apply(null,r.concat(e))}}},o=function(e,t){return t.substr(0,1)===e},a=function(e,t){return t.substr(-1)===e},i=r(function(e,t){return o(e,t)&&(t=t.slice(1)),a(e,t)&&(t=t.slice(0,-1)),t}),s=function(e){for(var t=e.length;t>0;){var n=Math.floor(Math.random()*t);t--;var r=e[t];e[t]=e[n],e[n]=r}return e},l=function(e){var t=document.createElement("span");return t.innerHTML=e,t};t.default={curry:r,cleanCharacter:i,startsWith:o,endsWith:a,shuffle:s,createElementWithTextPart:l}},function(e,t,n){"use strict";function r(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(t,"__esModule",{value:!0});var o=n(14),a=n(15),i=r(a),s=n(2),l=r(s),c=n(12),u=r(c),d=n(13),h=r(d),p=n(7),g=r(p),b=n(5),f=r(b),m=n(6),v=r(m),y=n(9),D=r(y),E=n(10),w=r(E);H5P.DragText=function(e,t,n){function r(n,r,o){var a=this;this.$=e(this),this.contentId=r,this.contentData=o,t.call(this,"drag-text"),this.params=e.extend(!0,{taskDescription:"Set in adjectives in the following sentence",textField:"This is a *nice*, *flexible* content type, which allows you to highlight all the *wonderful* words in this *exciting* sentence.\nThis is another line of *fantastic* text.",overallFeedback:[],checkAnswer:"Check",tryAgain:"Retry",behaviour:{enableRetry:!0,enableSolutionsButton:!0,enableCheckButton:!0,instantFeedback:!1},showSolution:"Show solution",dropZoneIndex:"Drop Zone @index.",empty:"Empty.",contains:"Drop Zone @index contains draggable @draggable.",ariaDraggableIndex:"@index of @count.",tipLabel:"Show tip",correctText:"Correct!",incorrectText:"Incorrect!",resetDropTitle:"Reset drop",resetDropDescription:"Are you sure you want to reset this drop zone?",grabbed:"Draggable is grabbed.",cancelledDragging:"Cancelled dragging.",correctAnswer:"Correct answer:",scoreBarLabel:"You got :num out of :total points"},n),this.contentData=o,void 0!==this.contentData&&void 0!==this.contentData.previousState&&void 0!==this.contentData.previousState.length&&(this.previousState=this.contentData.previousState),this.answered=!1,this.instantFeedbackEvaluationFilled=!1,this.textFieldHtml=this.params.textField.replace(/(\r\n|\n|\r)/gm,"<br/>"),this.introductionId="h5p-drag-text-"+r+"-introduction",this.selectedElement=void 0,this.ariaDragControls=new f.default,this.ariaDropControls=new v.default,this.dragControls=new g.default([new D.default,new w.default,this.ariaDragControls]),this.dragControls.useNegativeTabIndex(),this.dropControls=new g.default([new D.default,new w.default,this.ariaDropControls]),this.dropControls.useNegativeTabIndex(),this.dragControls.on("before-select",function(e){return!a.isElementDisabled(e.element)}),this.dragControls.on("select",this.keyboardDraggableSelected,this),this.dropControls.on("select",this.keyboardDroppableSelected,this),this.on("start",this.addAllDroppablesToControls,this),this.on("revert",this.removeControlsFromEmptyDropZones,this),this.on("stop",function(e){e.data.target||a.removeControlsFromDropZonesIfAllEmpty()},this),this.on("drop",this.removeControlsFromEmptyDropZones,this),this.on("start",function(e){var t=e.data.element,n=a.getDraggableByElement(t);a.toggleDropEffect(),t.setAttribute("aria-grabbed","true"),a.setDraggableAriaLabel(n)}),this.on("stop",function(e){var t=e.data.element,n=a.getDraggableByElement(t);a.toggleDropEffect(),t.setAttribute("aria-grabbed","false"),a.setDraggableAriaLabel(n)}),this.on("drop",this.ariaDropControls.setAllToNone,this.ariaDropControls),this.on("drop",function(e){this.dragControls.removeElement(e.data.element)},this),this.on("revert",function(e){this.dragControls.insertElementAt(e.data.element,0)},this),this.on("drop",this.updateDroppableElement,this),this.on("revert",this.updateDroppableElement,this),this.initDragText(),this.stopWatch=new i.default,this.stopWatch.start(),this.on("resize",this.resize,this),this.on("revert",this.toggleDraggablesContainer,this),this.on("drop",this.toggleDraggablesContainer,this),this.on("stop",function(e){e.data.target||a.read(a.params.cancelledDragging)}),this.params.behaviour.instantFeedback&&this.on("revert",function(){return a.instantFeedbackEvaluation()})}return r.prototype=Object.create(t.prototype),r.prototype.constructor=r,r.prototype.updateDroppableElement=function(e){var t=e.data.target,n=e.data.element,r=this.getDroppableByElement(t);t&&this.setDroppableLabel(t,n.textContent,r.getIndex())},r.prototype.removeControlsFromDropZonesIfAllEmpty=function(){this.anyDropZoneHasDraggable()||this.removeAllDroppablesFromControls()},r.prototype.removeControlsFromEmptyDropZones=function(){var e=this;this.droppables.filter(function(e){return!e.hasDraggable()}).map(function(e){return e.getElement()}).forEach(function(t){e.dropControls.removeElement(t)})},r.prototype.addAllDroppablesToControls=function(){var e=this;this.dropControls.count()>0&&this.removeAllDroppablesFromControls(),this.droppables.map(function(e){return e.getElement()}).forEach(function(t){return e.dropControls.addElement(t)})},r.prototype.removeAllDroppablesFromControls=function(){var e=this;this.droppables.map(function(e){return e.getElement()}).forEach(function(t){return e.dropControls.removeElement(t)})},r.prototype.anyDropZoneHasDraggable=function(){return this.droppables.some(function(e){return e.hasDraggable()})},r.prototype.setDroppableLabel=function(e,t,n){var r=this.params.dropZoneIndex.replace("@index",n.toString()),o=e.classList.contains("h5p-drag-correct-feedback"),a=e.classList.contains("h5p-drag-wrong-feedback"),i=o||a,s=e.childNodes.length>0;if(e)if(i){var l=this.getDroppableByElement(e),c="";c=o?l.correctFeedback?l.correctFeedback:this.params.correctText:l.incorrectFeedback?l.incorrectFeedback:this.params.incorrectText,e.setAttribute("aria-label",r+" "+this.params.contains.replace("@index",n.toString()).replace("@draggable",t)+" "+c+".")}else s?e.setAttribute("aria-label",r+" "+this.params.contains.replace("@index",n.toString()).replace("@draggable",t)):e.setAttribute("aria-label",r+" "+this.params.empty.replace("@index",n.toString()))},r.prototype.registerDomElements=function(){this.$introduction=e('<p id="'+this.introductionId+'">'+this.params.taskDescription+"</p>"),this.setIntroduction(this.$introduction),this.$introduction.parent().attr("tabindex","-1"),this.setContent(this.$inner),this.addButtons()},r.prototype.initDragText=function(){return this.$inner=e("<div/>",{"aria-describedby":this.introductionId,class:"h5p-drag-inner"}),this.addTaskTo(this.$inner),this.setH5PUserState(),this.$inner},r.prototype.resize=function(){this.changeLayoutToFitWidth()},r.prototype.changeLayoutToFitWidth=function(){var e=this;e.addDropzoneWidth(),e.$inner.width()/parseFloat(e.$inner.css("font-size"),10)>43&&e.widestDraggable<=e.$inner.width()/3?(e.$draggables.addClass("h5p-drag-wide-screen"),e.$wordContainer.detach().appendTo(e.$taskContainer),e.draggables.forEach(function(e){e.getDraggableElement().addClass("h5p-drag-draggable-wide-screen")}),e.$wordContainer.css({"margin-right":e.$draggables.width()})):(e.$wordContainer.css({"margin-right":0}),e.$draggables.removeClass("h5p-drag-wide-screen"),e.$draggables.detach().appendTo(e.$taskContainer),e.draggables.forEach(function(e){e.getDraggableElement().removeClass("h5p-drag-draggable-wide-screen")}))},r.prototype.addButtons=function(){var e=this;e.params.behaviour.enableCheckButton&&e.addButton("check-answer",e.params.checkAnswer,function(){e.answered=!0,e.removeAllElementsFromDragControl(),e.showEvaluation()?(e.hideButton("show-solution"),e.hideButton("try-again"),e.hideButton("check-answer")):(e.params.behaviour.enableRetry&&e.showButton("try-again"),e.params.behaviour.enableSolutionsButton&&e.showButton("show-solution"),e.hideButton("check-answer"),e.disableDraggables()),e.$introduction.parent().focus()},!e.params.behaviour.instantFeedback),e.addButton("show-solution",e.params.showSolution,function(){e.droppables.forEach(function(e){e.showSolution()}),e.draggables.forEach(function(t){return e.setDraggableAriaLabel(t)}),e.disableDraggables(),e.removeAllDroppablesFromControls(),e.hideButton("show-solution")},e.initShowShowSolutionButton||!1),e.addButton("try-again",e.params.tryAgain,function(){e.answered&&e.resetDraggables(),e.answered=!1,e.hideEvaluation(),e.hideExplanation(),e.hideButton("try-again"),e.hideButton("show-solution"),e.params.behaviour.instantFeedback?e.enableAllDropzonesAndDraggables():(e.showButton("check-answer"),e.enableDraggables()),e.hideAllSolutions(),e.stopWatch.reset(),e.read(e.params.taskDescription)},e.initShowTryAgainButton||!1)},r.prototype.removeAllElementsFromDragControl=function(){var e=this;this.dragControls.elements.forEach(function(t){return e.dragControls.removeElement(t)})},r.prototype.keyboardDraggableSelected=function(e){var t=this.selectedElement,n=void 0!==this.selectedElement,r=this.selectedElement===e.element;n&&(this.selectedElement=void 0,this.trigger("stop",{element:t})),n&&r||this.isElementDisabled(e.element)||(this.selectedElement=e.element,this.trigger("start",{element:e.element}),this.focusOnFirstEmptyDropZone())},r.prototype.focusOnFirstEmptyDropZone=function(){var e=this.droppables.filter(function(e){return!e.hasDraggable()})[0],t=e.getElement();this.dropControls.setTabbable(t),t.focus()},r.prototype.isElementDisabled=function(e){return"true"===e.getAttribute("aria-disabled")},r.prototype.keyboardDroppableSelected=function(e){var t=this,n=e.element,r=t.getDroppableByElement(n),o=t.getDraggableByElement(this.selectedElement),a=this.params.behaviour.instantFeedback&&r&&r.isCorrect(),i=!this.params.behaviour.instantFeedback&&r.hasFeedback();if(o&&r&&!a){var s=t.selectedElement;t.drop(o,r),t.selectedElement=void 0,this.trigger("stop",{element:s,target:r.getElement()})}else if(r&&r.hasDraggable()&&!i&&!a){var l=n.querySelector("[aria-grabbed]");this.createConfirmResetDialog(function(){t.revert(t.getDraggableByElement(l))}).show()}},r.prototype.toggleDraggablesContainer=function(){var e=0===this.$draggables.children().length;this.$draggables.toggleClass("hide",e)},r.prototype.createConfirmResetDialog=function(e,t){var r=this,o=new n({headerText:r.params.resetDropTitle,dialogText:r.params.resetDropDescription});return o.appendTo(document.body),o.on("confirmed",e,t||this),o},r.prototype.showDropzoneFeedback=function(){var e=this;this.droppables.forEach(function(t){t.addFeedback();var n=t.containedDraggable;t&&n&&(e.setDroppableLabel(t.getElement(),n.getElement().textContent,t.getIndex()),e.setDraggableAriaLabel(n))})},r.prototype.showExplanation=function(){var e=this,t=[];this.droppables.forEach(function(e){var n=e.containedDraggable;e&&n&&(e.isCorrect()&&e.correctFeedback&&t.push({correct:n.text,text:e.correctFeedback}),!e.isCorrect()&&e.incorrectFeedback&&t.push({correct:e.text,wrong:n.text,text:e.incorrectFeedback}))}),0!==t.length&&this.setExplanation(t,e.params.feedbackHeader)},r.prototype.showEvaluation=function(e){this.hideEvaluation(),this.showDropzoneFeedback(),this.showExplanation();var t=this.calculateScore(),n=this.droppables.length;if(!e){var r=this.createXAPIEventTemplate("answered");this.addQuestionToXAPI(r),this.addResponseToXAPI(r),this.trigger(r)}var o=H5P.Question.determineOverallFeedback(this.params.overallFeedback,t/n).replace(/@score/g,t.toString()).replace(/@total/g,n.toString());return t===n&&(this.hideButton("check-answer"),this.hideButton("show-solution"),this.hideButton("try-again"),this.disableDraggables()),this.trigger("resize"),this.setFeedback(o,t,n,this.params.scoreBarLabel),t===n},r.prototype.calculateScore=function(){return this.droppables.reduce(function(e,t){return e+(t.isCorrect()?1:0)},0)},r.prototype.hideEvaluation=function(){this.removeFeedback(),this.trigger("resize")},r.prototype.hideExplanation=function(){this.setExplanation(),this.trigger("resize")},r.prototype.hideAllSolutions=function(){this.droppables.forEach(function(e){e.hideSolution()}),this.trigger("resize")},r.prototype.addTaskTo=function(t){var n=this;n.widest=0,n.widestDraggable=0,n.droppables=[],n.draggables=[],n.$taskContainer=e("<div/>",{class:"h5p-drag-task"}),n.$draggables=e("<div/>",{class:"h5p-drag-draggables-container"}),n.$wordContainer=e("<div/>",{class:"h5p-drag-droppable-words"}),(0,o.parseText)(n.textFieldHtml).forEach(function(e){if(n.isAnswerPart(e)){var t=(0,o.lex)(e),r=n.createDraggable(t.text),a=n.createDroppable(t.text,t.tip,t.correctFeedback,t.incorrectFeedback);n.params.behaviour.instantFeedback&&r.getDraggableElement().on("dragstop",function(){a.addFeedback(),n.instantFeedbackEvaluation()})}else{var i=l.default.createElementWithTextPart(e);n.$wordContainer.append(i)}}),n.shuffleAndAddDraggables(n.$draggables),n.$draggables.appendTo(n.$taskContainer),n.$wordContainer.appendTo(n.$taskContainer),n.$taskContainer.appendTo(t),n.addDropzoneWidth()},r.prototype.isAnswerPart=function(e){return l.default.startsWith("*",e)&&l.default.endsWith("*",e)},r.prototype.addDropzoneWidth=function(){var e=this,t=0,n=0,r=parseInt(this.$inner.css("font-size"),10),o=3*r,a=r;this.draggables.forEach(function(e){var r=e.getDraggableElement(),o=r.clone().css({position:"absolute","white-space":"nowrap",width:"auto",padding:0,margin:0}).html(e.getAnswerText()).appendTo(r.parent()),i=o.outerWidth();n=i>n?i:n,o.text().length>=20&&(o.html(e.getShortFormat()),i=o.width()),i+a>t&&(t=i+a),o.remove()}),t<o&&(t=o),this.widestDraggable=n,this.widest=t,this.droppables.forEach(function(t){t.getDropzone().width(e.widest)})},r.prototype.createDraggable=function(t){var n=this,r=e("<div/>",{html:"<span>"+t+"</span>",role:"button","aria-grabbed":"false",tabindex:"-1"}).draggable({revert:function(e){return e||n.revert(o),!1},drag:n.propagateDragEvent("drag",n),start:n.propagateDragEvent("start",n),stop:function(e){n.trigger("stop",{element:o.getElement(),target:e.target})},containment:n.$taskContainer}).append(e("<span>",{class:"h5p-hidden-read"})),o=new u.default(t,r,n.draggables.length);return o.on("addedToZone",function(){n.triggerXAPI("interacted")}),n.draggables.push(o),o},r.prototype.createDroppable=function(t,n,r,o){var a=this,i=this.draggables.length,s=e("<div/>",{class:"h5p-drag-dropzone-container"}),l=e("<div/>",{"aria-dropeffect":"none","aria-label":this.params.dropZoneIndex.replace("@index",i.toString())+" "+this.params.empty.replace("@index",i.toString()),tabindex:"-1"}).appendTo(s).droppable({tolerance:"pointer",drop:function(e,t){var n=a.getDraggableByElement(t.draggable[0]),r=a.getDroppableByElement(e.target);n&&r&&a.drop(n,r)}}),c=new 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r=t.appendInsideDroppableTo(this.$draggables);r&&n.trigger("revert",{element:r.getElement(),target:t.getElement()}),t.setDraggable(e),e.appendDraggableTo(t.getDropzone()),n.params.behaviour.instantFeedback&&(t.addFeedback(),n.instantFeedbackEvaluation(),n.params.behaviour.enableRetry&&!t.isCorrect()||t.disableDropzoneAndContainedDraggable()),this.trigger("drop",{element:e.getElement(),target:t.getElement()}),this.trigger("resize"),t.getElement().focus()},r.prototype.shuffleAndAddDraggables=function(e){var t=this;return l.default.shuffle(this.draggables).map(function(e,t){return e.setIndex(t)}).map(function(n){return t.addDraggableToContainer(e,n)}).map(function(e){return t.setDraggableAriaLabel(e)}).map(function(e){return t.addDraggableToControls(t.dragControls,e)})},r.prototype.setDraggableAriaLabel=function(e){return 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e.isInsideDropZone()})},r.prototype.enableAllDropzonesAndDraggables=function(){this.enableDraggables(),this.droppables.forEach(function(e){e.enableDropzone()})},r.prototype.disableDraggables=function(){this.draggables.forEach(function(e){e.disableDraggable()})},r.prototype.enableDraggables=function(){this.draggables.forEach(function(e){e.enableDraggable()})},r.prototype.getAnswerGiven=function(){return this.answered},r.prototype.getScore=function(){return this.calculateScore()},r.prototype.getMaxScore=function(){return this.droppables.length},r.prototype.getTitle=function(){return H5P.createTitle(this.contentData&&this.contentData.metadata&&this.contentData.metadata.title?this.contentData.metadata.title:"Drag the Words")},r.prototype.toggleDropEffect=function(){var e=void 0!==this.selectedElement;this.ariaDropControls[e?"setAllToMove":"setAllToNone"]()},r.prototype.getDraggableByElement=function(e){return this.draggables.filter(function(t){return 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t=e.index,n=0===t,r=this.elements[n?this.elements.length-1:t-1];this.setTabbable(r),r.focus()}},{key:"useNegativeTabIndex",value:function(){this.negativeTabIndexAllowed=!0,this.elements.forEach(function(e){e.hasAttribute("tabindex")||d(e)})}},{key:"initPlugins",value:function(){this.plugins.forEach(function(e){void 0!==e.init&&e.init(this)},this)}}]),e}();t.default=p},function(e,t,n){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.Eventful=function(){return{listeners:{},on:function(e,t,n){var r={listener:t,scope:n};return this.listeners[e]=this.listeners[e]||[],this.listeners[e].push(r),this},fire:function(e,t){return(this.listeners[e]||[]).every(function(e){return!1!==e.listener.call(e.scope||this,t)})},propagate:function(e,t){var n=this;e.forEach(function(e){return t.on(e,function(t){return n.fire(e,t)})})}}}},function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(t,"__esModule",{value:!0});var o=function(){function e(e,t){for(var n=0;n<t.length;n++){var r=t[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}return function(t,n,r){return n&&e(t.prototype,n),r&&e(t,r),t}}(),a=function(){function e(){r(this,e),this.selectability=!0}return o(e,[{key:"init",value:function(e){this.boundHandleKeyDown=this.handleKeyDown.bind(this),this.controls=e,this.controls.on("addElement",this.listenForKeyDown,this),this.controls.on("removeElement",this.removeKeyDownListener,this)}},{key:"listenForKeyDown",value:function(e){e.element.addEventListener("keydown",this.boundHandleKeyDown)}},{key:"removeKeyDownListener",value:function(e){e.element.removeEventListener("keydown",this.boundHandleKeyDown)}},{key:"handleKeyDown",value:function(e){switch(e.which){case 27:this.close(e.target),e.preventDefault(),e.stopPropagation();break;case 35:this.lastElement(e.target),e.preventDefault(),e.stopPropagation();break;case 36:this.firstElement(e.target),e.preventDefault(),e.stopPropagation();break;case 13:case 32:this.select(e.target),e.preventDefault(),e.stopPropagation();break;case 37:case 38:this.hasChromevoxModifiers(e)||(this.previousElement(e.target),e.preventDefault(),e.stopPropagation());break;case 39:case 40:this.hasChromevoxModifiers(e)||(this.nextElement(e.target),e.preventDefault(),e.stopPropagation())}}},{key:"hasChromevoxModifiers",value:function(e){return e.shiftKey||e.ctrlKey}},{key:"previousElement",value:function(e){!1!==this.controls.firesEvent("beforePreviousElement",e)&&(this.controls.firesEvent("previousElement",e),this.controls.firesEvent("afterPreviousElement",e))}},{key:"nextElement",value:function(e){!1!==this.controls.firesEvent("beforeNextElement",e)&&(this.controls.firesEvent("nextElement",e),this.controls.firesEvent("afterNextElement",e))}},{key:"select",value:function(e){this.selectability&&!1!==this.controls.firesEvent("before-select",e)&&(this.controls.firesEvent("select",e),this.controls.firesEvent("after-select",e))}},{key:"firstElement",value:function(e){!1!==this.controls.firesEvent("beforeFirstElement",e)&&(this.controls.firesEvent("firstElement",e),this.controls.firesEvent("afterFirstElement",e))}},{key:"lastElement",value:function(e){!1!==this.controls.firesEvent("beforeLastElement",e)&&(this.controls.firesEvent("lastElement",e),this.controls.firesEvent("afterLastElement",e))}},{key:"disableSelectability",value:function(){this.selectability=!1}},{key:"enableSelectability",value:function(){this.selectability=!0}},{key:"close",value:function(e){!1!==this.controls.firesEvent("before-close",e)&&(this.controls.firesEvent("close",e),this.controls.firesEvent("after-close",e))}}]),e}();t.default=a},function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(t,"__esModule",{value:!0});var o=function(){function e(e,t){for(var n=0;n<t.length;n++){var r=t[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}return function(t,n,r){return n&&e(t.prototype,n),r&&e(t,r),t}}(),a=function(){function e(){r(this,e),this.selectability=!0,this.handleClickBound=this.handleClick.bind(this),this.handleDragBound=this.handleDrag.bind(this)}return o(e,[{key:"init",value:function(e){this.controls=e,this.controls.on("addElement",this.listenForKeyDown,this),this.controls.on("removeElement",this.unlistenForKeyDown,this)}},{key:"listenForKeyDown",value:function(e){var t=e.element;t.addEventListener("click",this.handleClickBound),t.addEventListener("drag",this.handleClickBound)}},{key:"unlistenForKeyDown",value:function(e){var t=e.element;t.removeEventListener("click",this.handleClickBound),t.removeEventListener("drag",this.handleDragBound)}},{key:"handleClick",value:function(e){this.controls.firesEvent("select",e.currentTarget)}},{key:"handleDrag",value:function(e){this.controls.firesEvent("drag",e.currentTarget)}},{key:"disableSelectability",value:function(){this.selectability=!1}},{key:"enableSelectability",value:function(){this.selectability=!0}}]),e}();t.default=a},function(e,t,n){"use strict";n(4),H5P=H5P||{},H5P.DragText=n(3).default},function(e,t,n){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),H5P.TextDraggable=function(e){function t(t,n,r){H5P.EventDispatcher.call(this);var o=this;o.text=t,o.insideDropzone=null,o.$draggable=e(n),o.$ariaLabel=o.$draggable.find(".h5p-hidden-read"),o.index=r,o.initialIndex=r,o.shortFormat=o.text,o.shortFormat.length>20&&(o.shortFormat=o.shortFormat.slice(0,17)+"...")}return t.prototype=Object.create(H5P.EventDispatcher.prototype),t.prototype.constructor=t,t.prototype.getIndex=function(){return this.index},t.prototype.setIndex=function(e){return this.index=e,this},t.prototype.getInitialIndex=function(){return this.initialIndex},t.prototype.hasInitialIndex=function(e){return this.initialIndex===e},t.prototype.appendDraggableTo=function(e){this.$draggable.detach().css({left:0,top:0}).appendTo(e)},t.prototype.revertDraggableTo=function(e){var t=this.$draggable.offset().left-e.offset().left,n=this.$draggable.offset().top-e.offset().top;this.$draggable.detach().prependTo(e).css({left:t,top:n}).animate({left:0,top:0})},t.prototype.toggleDroppedFeedback=function(e){e?this.$draggable.addClass("h5p-drag-dropped"):this.$draggable.removeClass("h5p-drag-dropped")},t.prototype.disableDraggable=function(){this.$draggable.draggable({disabled:!0})},t.prototype.enableDraggable=function(){this.$draggable.draggable({disabled:!1})},t.prototype.getDraggableElement=function(){return this.$draggable},t.prototype.updateAriaLabel=function(e){this.$ariaLabel.html(e)},t.prototype.getElement=function(){return this.$draggable.get(0)},t.prototype.removeFromZone=function(){var e=this.insideDropzone;return null!==this.insideDropzone&&(this.insideDropzone.removeFeedback(),this.insideDropzone.removeDraggable()),this.toggleDroppedFeedback(!1),this.removeShortFormat(),this.insideDropzone=null,e},t.prototype.addToZone=function(e){null!==this.insideDropzone&&this.insideDropzone.removeDraggable(),this.toggleDroppedFeedback(!0),this.insideDropzone=e,this.setShortFormat(),this.trigger("addedToZone")},t.prototype.getAnswerText=function(){return this.text},t.prototype.setShortFormat=function(){this.$draggable.html(this.shortFormat)},t.prototype.getShortFormat=function(){return this.shortFormat},t.prototype.removeShortFormat=function(){this.$draggable.html(this.text)},t.prototype.getInsideDropzone=function(){return this.insideDropzone},t.prototype.isInsideDropZone=function(){return!!this.insideDropzone},t}(H5P.jQuery),t.default=H5P.TextDraggable},function(e,t,n){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),H5P.TextDroppable=function(e){function t(t,r,o,a,i,s,l,c){var u=this;u.text=t,u.tip=r,u.correctFeedback=o,u.incorrectFeedback=a,u.index=l,u.params=c,u.containedDraggable=null,u.$dropzone=e(i),u.$dropzoneContainer=e(s),u.tip&&(u.$tip=H5P.JoubelUI.createTip(u.tip,{tipLabel:u.params.tipLabel,tabcontrol:!0}),u.$dropzoneContainer.append(u.$tip),u.$dropzone.focus(function(){return u.$tip.attr("tabindex","0")}),u.$dropzone.blur(function(){return u.removeTipTabIndexIfNoFocus()}),u.$tip.blur(function(){return u.removeTipTabIndexIfNoFocus()})),u.$incorrectText=e("<div/>",{html:u.params.incorrectText+" "+u.params.correctAnswer,class:"correct-answer"}),u.$correctText=e("<div/>",{html:u.params.correctText,class:"correct-answer"}),u.$showSolution=e("<div/>",{class:n}).appendTo(u.$dropzoneContainer).hide()}var n="h5p-drag-show-solution-container",r="h5p-drag-correct-feedback",o="h5p-drag-wrong-feedback";return t.prototype.removeTipTabIndexIfNoFocus=function(){var e=this;setTimeout(function(){e.$dropzone.is(":focus")||e.$tip.is(":focus")||e.$tip.attr("tabindex","-1")},0)},t.prototype.showSolution=function(){var e=null!==this.containedDraggable&&this.containedDraggable.getAnswerText()===this.text;e||this.$showSolution.html(this.text),this.$showSolution.prepend(e?this.$correctText:this.$incorrectText),this.$showSolution.toggleClass("incorrect",!e),this.$showSolution.show()},t.prototype.hideSolution=function(){this.$showSolution.html(""),this.$showSolution.hide()},t.prototype.getElement=function(){return this.$dropzone.get(0)},t.prototype.appendDroppableTo=function(e){this.$dropzoneContainer.appendTo(e)},t.prototype.appendInsideDroppableTo=function(e){if(null!==this.containedDraggable)return this.containedDraggable.revertDraggableTo(e),this.containedDraggable},t.prototype.setDraggable=function(e){var t=this;t.containedDraggable!==e&&(null!==t.containedDraggable&&t.containedDraggable.removeFromZone(),t.containedDraggable=e,e.addToZone(t))},t.prototype.hasDraggable=function(){return!!this.containedDraggable},t.prototype.removeDraggable=function(){null!==this.containedDraggable&&(this.containedDraggable=null)},t.prototype.isCorrect=function(){return null!==this.containedDraggable&&this.containedDraggable.getAnswerText()===this.text},t.prototype.addFeedback=function(){this.isCorrect()?(this.$dropzone.removeClass(o).addClass(r),this.containedDraggable.getDraggableElement().removeClass("h5p-drag-draggable-wrong").addClass("h5p-drag-draggable-correct")):null===this.containedDraggable?this.$dropzone.removeClass(o).removeClass(r):(this.$dropzone.removeClass(r).addClass(o),null!==this.containedDraggable&&this.containedDraggable.getDraggableElement().addClass("h5p-drag-draggable-wrong").removeClass("h5p-drag-draggable-correct"))},t.prototype.removeFeedback=function(){this.$dropzone.removeClass(o).removeClass(r),null!==this.containedDraggable&&this.containedDraggable.getDraggableElement().removeClass("h5p-drag-draggable-wrong").removeClass("h5p-drag-draggable-correct")},t.prototype.hasFeedback=function(){return this.$dropzone.hasClass(o)||this.$dropzone.hasClass(r)},t.prototype.setShortFormat=function(){null!==this.containedDraggable&&this.containedDraggable.setShortFormat()},t.prototype.disableDropzoneAndContainedDraggable=function(){null!==this.containedDraggable&&this.containedDraggable.disableDraggable(),this.$dropzone.droppable({disabled:!0})},t.prototype.enableDropzone=function(){this.$dropzone.droppable({disabled:!1})},t.prototype.removeShortFormat=function(){null!==this.containedDraggable&&this.containedDraggable.removeShortFormat()},t.prototype.getDropzone=function(){return this.$dropzone},t.prototype.getIndex=function(){return this.index},t}(H5P.jQuery),t.default=H5P.TextDroppable},function(e,t,n){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.lex=t.parseText=void 0;var r=n(2),o=function(e){return e&&e.__esModule?e:{default:e}}(r),a=function(e){return e.split(/(\*.*?\*)/).filter(function(e){return e.length>0})},i=function(e){var t=e.match(/(:([^\\*]+))/g),n=e.match(/(\\\+([^\\*:]+))/g),r=e.match(/(\\\-([^\\*:]+))/g),a=o.default.cleanCharacter("*",e);return t&&(a=a.replace(t,""),t=t[0].replace(":",""),t=t.replace(/\s+$/,"")),n&&(a=a.replace(n,""),n=n[0].replace("\\+",""),n=n.replace(/\s+$/,"")),r&&(a=a.replace(r,""),r=r[0].replace("\\-",""),r=r.replace(/\s+$/,"")),a=a.replace(/\s+$/,""),{tip:t,correctFeedback:n,incorrectFeedback:r,text:a}};t.parseText=a,t.lex=i},function(e,t,n){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var r=r||{};r.DragText=r.DragText||{},r.DragText.StopWatch=function(){function e(){this.duration=0}return e.prototype.start=function(){return this.startTime=Date.now(),this},e.prototype.stop=function(){return this.duration=this.duration+Date.now()-this.startTime,this.passedTime()},e.prototype.reset=function(){this.duration=0,this.startTime=Date.now()},e.prototype.passedTime=function(){return Math.round(this.duration/10)/100},e}(),t.default=r.DragText.StopWatch}]);;
var H5P = H5P || {};

/**
 * A class that easily helps your create awesome drag and drop.
 *
 * @param {H5P.DragNBar} DnB
 * @param {jQuery} $container
 * @returns {undefined}
 */
H5P.DragNDrop = function (dnb, $container) {
  H5P.EventDispatcher.call(this);
  this.dnb = dnb;
  this.$container = $container;
  this.scrollLeft = 0;
  this.scrollTop = 0;
};

// Inherit support for events
H5P.DragNDrop.prototype = Object.create(H5P.EventDispatcher.prototype);
H5P.DragNDrop.prototype.constructor = H5P.DragNDrop;

/**
 * Set the current element
 * 
 * @method setElement
 * @param  {j@uery} $element
 */
H5P.DragNDrop.prototype.setElement = function ($element) {
  this.$element = $element;
};

/**
 * Start tracking the mouse.
 *
 * @param {jQuery} $element
 * @param {Number} x Start X coordinate
 * @param {Number} y Start Y coordinate
 * @returns {undefined}
 */
H5P.DragNDrop.prototype.press = function ($element, x, y) {
  var that = this;
  var eventData = {
    instance: this
  };

  H5P.$window
    .mousemove(eventData, H5P.DragNDrop.moveHandler)
    .bind('mouseup', eventData, H5P.DragNDrop.release);

  H5P.$body
    // With user-select: none uncommented, after moving a drag and drop element, if I hover over something that changes transparancy on hover IE10 on WIN7 crashes
    // TODO: Add user-select and -ms-user-select later if IE10 stops bugging
    .css({'-moz-user-select': 'none', '-webkit-user-select': 'none'/*, 'user-select': 'none', '-ms-user-select': 'none'*/})
    .attr('unselectable', 'on')[0]
    .onselectstart = H5P.$body[0].ondragstart = function () {
      return false;
    };

  that.containerOffset = $element.offsetParent().offset();

  this.$element = $element;
  this.moving = false;
  this.startX = x;
  this.startY = y;

  this.marginX = parseInt($element.css('marginLeft')) + parseInt($element.css('marginRight'));
  this.marginY = parseInt($element.css('marginTop')) + parseInt($element.css('marginBottom'));

  var offset = $element.offset();
  this.adjust = {
    x: x - offset.left + this.marginX,
    y: y - offset.top - this.marginY
  };

  if (that.dnb && that.dnb.newElement) {
    this.move(x, y);
  }
};

/**
 * Handles mouse move events.
 *
 * @param {Event} event
 */
H5P.DragNDrop.moveHandler = function (event) {
  event.stopPropagation();
  event.data.instance.move(event.pageX, event.pageY);
};

/**
 * Handles mouse movements.
 *
 * @param {number} x
 * @param {number} y
 */
H5P.DragNDrop.prototype.move = function (x, y) {
  var that = this;

  if (!that.moving) {
    if (that.startMovingCallback !== undefined && !that.startMovingCallback(x, y)) {
      return;
    }

    // Start moving
    that.moving = true;
    that.$element.addClass('h5p-moving');
  }

  x -= that.adjust.x;
  y -= that.adjust.y;

  var posX = x - that.containerOffset.left + that.scrollLeft;
  var posY = y - that.containerOffset.top + that.scrollTop;

  if (that.snap !== undefined) {
    posX = Math.round(posX / that.snap) * that.snap;
    posY = Math.round(posY / that.snap) * that.snap;
  }

  // Do not move outside of minimum values.
  if (that.min !== undefined) {
    if (posX < that.min.x) {
      posX = that.min.x;
      x = that.min.x + that.containerOffset.left - that.scrollLeft;
    }
    if (posY < that.min.y) {
      posY = that.min.y;
      y = that.min.y + that.containerOffset.top - that.scrollTop;
    }
  }


  if (that.dnb && that.dnb.newElement && posY >= 0) {
    that.min.y = 0;
  }

  // Do not move outside of maximum values.
  if (that.max !== undefined) {
    if (posX > that.max.x) {
      posX = that.max.x;
      x = that.max.x + that.containerOffset.left - that.scrollLeft;
    }
    if (posY > that.max.y) {
      posY = that.max.y;
      y = that.max.y + that.containerOffset.top - that.scrollTop;
    }
  }

  // Show transform panel if element has moved
  var startX = that.startX - that.adjust.x - that.containerOffset.left + that.scrollLeft;
  var startY = that.startY - that.adjust.y - that.containerOffset.top + that.scrollTop;
  if (!that.snap && (posX !== startX || posY !== startY)) {
    that.trigger('showTransformPanel');
  }
  else if (that.snap) {
    var xChanged = (Math.round(posX / that.snap) * that.snap) !==
      (Math.round(startX / that.snap) * that.snap);
    var yChanged = (Math.round(posY / that.snap) * that.snap) !==
      (Math.round(startY / that.snap) * that.snap);
    if (xChanged || yChanged) {
      that.trigger('showTransformPanel');
    }
  }

  that.$element.css({left: posX, top: posY});

  if (that.dnb) {
    that.dnb.updateCoordinates();
  }

  if (that.moveCallback !== undefined) {
    that.moveCallback(x, y, that.$element);
  }
};

/**
 * Stop tracking the mouse.
 *
 * @param {Object} event
 * @returns {undefined}
 */
H5P.DragNDrop.release = function (event) {
  var that = event.data.instance;

  H5P.$window
    .unbind('mousemove', H5P.DragNDrop.moveHandler)
    .unbind('mouseup', H5P.DragNDrop.release);

  H5P.$body
    .css({'-moz-user-select': '', '-webkit-user-select': ''/*, 'user-select': '', '-ms-user-select': ''*/})
    .removeAttr('unselectable')[0]
    .onselectstart = H5P.$body[0].ondragstart = null;

  if (that.releaseCallback !== undefined) {
    that.releaseCallback();
  }

  if (that.moving) {
    that.$element.removeClass('h5p-moving');
    if (that.stopMovingCallback !== undefined) {
      that.stopMovingCallback(event);
    }
  }

  // trigger to hide the transform panel unless it was activated
  // through the context menu
  that.trigger('hideTransformPanel');
};
;
/*global H5P*/
H5P.DragNResize = (function ($, EventDispatcher) {

  /**
   * Constructor!
   *
   * @class H5P.DragNResize
   * @param {H5P.jQuery} $container
   */
  function C($container) {
    var self = this;
    this.$container = $container;
    self.disabledModifiers = false;

    this.minSize = H5P.DragNResize.MIN_SIZE;

    EventDispatcher.call(this);

    // Override settings for snapping to grid, and locking aspect ratio.
    H5P.$body.keydown(function (event) {
      if (self.disabledModifiers) {
        return;
      }

      if (event.keyCode === 17) {
        // Ctrl
        self.revertSnap = true;
      }
      else if (event.keyCode === 16) {
        // Shift
        self.revertLock = true;
      }
    }).keyup(function (event) {
      if (self.disabledModifiers) {
        return;
      }

      if (event.keyCode === 17) {
        // Ctrl
        self.revertSnap = false;
      }
      else if (event.keyCode === 16) {
        // Shift
        self.revertLock = false;
      }
    });
  }

  // Inheritance
  C.prototype = Object.create(EventDispatcher.prototype);
  C.prototype.constructor = C;

  /**
   * Gives the given element a resize handle.
   *
   * @param {H5P.jQuery} $element
   * @param {Object} [options]
   * @param {boolean} [options.lock]
   * @param {boolean} [options.cornerLock]
   * @param {string} [options.directionLock]
   * @param {number} [options.minSize]
   */
  C.prototype.add = function ($element, options) {
    var that = this;

    // Array with position of handles
    var cornerPositions = ['nw', 'ne', 'sw', 'se'];
    var horizontalEdgePositions = ['w', 'e'];
    var verticalEdgePositions = ['n', 's'];

    var addResizeHandle = function (position, corner) {
      $('<div>', {
        'class': 'h5p-dragnresize-handle ' + position
      }).mousedown(function (event) {
        that.lock = (options && (options.lock || corner && options.cornerLock));
        if (options.cornerLock) {
          that.isImage = true;
        }
        that.$element = $element;
        that.press(event.clientX, event.clientY, position, options.minSize);
      }).data('position', position)
        .appendTo($element);
    };

    if (!options.directionLock) {
      cornerPositions.forEach(function (pos) {
        addResizeHandle(pos, true);
      });
    }

    // Add edge handles
    if (!options || !options.lock) {
      if (options.directionLock != "vertical") {
        horizontalEdgePositions.forEach(function (pos) {
          addResizeHandle(pos);
        });
      }
      if (options.directionLock != "horizontal") {
        verticalEdgePositions.forEach(function (pos) {
          addResizeHandle(pos);
        });
      }
    }

    if (options.minSize) {
      this.minSize = options.minSize;
    }
    else {
      this.minSize = H5P.DragNResize.MIN_SIZE;
    }
  };

  /**
   * Get paddings for the element
   */
  C.prototype.getElementPaddings = function () {
    return {
      horizontal: Number(this.$element.css('padding-left').replace("px", "")) + Number(this.$element.css('padding-right').replace("px", "")),
      vertical: Number(this.$element.css('padding-top').replace("px", "")) + Number(this.$element.css('padding-bottom').replace("px", ""))
    };
  };

  /**
   * Get borders for the element
   * @returns {{horizontal: number, vertical: number}}
   */
  C.prototype.getElementBorders = function () {
    return {
      horizontal: Number(this.$element.css('border-left-width').replace('px', '')) + Number(this.$element.css('border-right-width').replace('px', '')),
      vertical: Number(this.$element.css('border-top-width').replace('px', '')) + Number(this.$element.css('border-bottom-width').replace('px', ''))
    };
  };

  C.prototype.setContainerEm = function (containerEm) {
    this.containerEm = containerEm;
  };

  /**
   * Start resizing
   *
   * @param {number} x
   * @param {number} y
   * @param {String} [direction] Direction of resize
   * @param {number} minSize
   */
  C.prototype.press = function (x, y, direction, minSize) {
    this.active = true;
    var eventData = {
      instance: this,
      direction: direction
    };

    this.minSize = (minSize ? minSize : H5P.DragNResize.MIN_SIZE);

    H5P.$window
      .bind('mouseup', eventData, C.release)
      .mousemove(eventData, C.move);

    H5P.$body
      .css({
        '-moz-user-select': 'none',
        '-webkit-user-select': 'none',
        'user-select': 'none',
        '-ms-user-select': 'none'
      })
      .attr('unselectable', 'on')[0]
      .onselectstart = H5P.$body[0].ondragstart = function () {
        return false;
      };

    this.startX = x;
    this.startY = y;
    this.padding = this.getElementPaddings();
    this.borders = this.getElementBorders();
    this.startWidth = this.$element.outerWidth();
    this.startHeight = this.$element.outerHeight();
    this.ratio = (this.startWidth / this.startHeight);
    var position = this.$element.position();
    this.left = position.left;
    this.top = position.top;
    this.containerWidth = this.$container.width();
    this.containerHeight = this.$container.height();

    // Set default values
    this.newLeft = this.left;
    this.newTop = this.top;
    this.newWidth = this.startWidth;
    this.newHeight = this.startHeight;

    this.trigger('startResizing', eventData);

    // Show transform panel
    this.trigger('showTransformPanel');
  };

  /**
   * Resize events
   *
   * @param {Event} event
   */
  C.move = function (event) {
    var direction = (event.data.direction ? event.data.direction : 'se');
    var that = event.data.instance;
    var moveW = (direction === 'nw' || direction === 'sw' || direction === 'w');
    var moveN = (direction === 'nw' || direction === 'ne' || direction === 'n');
    var moveDiagonally = (direction === 'nw' || direction === 'ne' || direction === 'sw' || direction === 'se');
    var movesHorizontal = (direction === 'w' || direction === 'e');
    var movesVertical = (direction === 'n' || direction === 's');
    var deltaX = that.startX - event.clientX;
    var deltaY = that.startY - event.clientY;

    that.minLeft = that.left + that.startWidth - that.minSize;
    that.minTop = that.top + that.startHeight - that.minSize;

    // Moving west
    if (moveW) {
      that.newLeft = that.left - deltaX;
      that.newWidth = that.startWidth + deltaX;

      // Check edge cases
      if (that.newLeft < 0) {
        that.newLeft = 0;
        that.newWidth = that.left + that.startWidth;
      }
      else if (that.newLeft > that.minLeft) {
        that.newLeft = that.minLeft;
        that.newWidth = that.left - that.minLeft + that.startWidth;
      }

      // Snap west side
      if (that.snap && !that.revertSnap) {
        that.newLeft = Math.round(that.newLeft / that.snap) * that.snap;

        // Make sure element does not snap east
        if (that.newLeft > that.minLeft) {
          that.newLeft = Math.floor(that.minLeft / that.snap) * that.snap;
        }

        that.newWidth = (that.left - that.newLeft) + that.startWidth;
      }
    }
    else if (!movesVertical) {
      that.newWidth = that.startWidth - deltaX;

      // Snap width
      if (that.snap && !that.revertSnap) {
        that.newWidth = Math.round(that.newWidth / that.snap) * that.snap;
      }

      if (that.left + that.newWidth > that.containerWidth) {
        that.newWidth = that.containerWidth - that.left;
      }
    }

    // Moving north
    if (moveN) {
      that.newTop = that.top - deltaY;
      that.newHeight = that.startHeight + deltaY;

      // Check edge cases
      if (that.newTop < 0) {
        that.newTop = 0;
        that.newHeight = that.top + that.startHeight;
      }
      else if (that.newTop > that.minTop) {
        that.newTop = that.minTop;
        that.newHeight = that.top - that.minTop + that.startHeight;
      }

      // Snap north
      if (that.snap && !that.revertSnap) {
        that.newTop = Math.round(that.newTop / that.snap) * that.snap;

        // Make sure element does not snap south
        if (that.newTop > that.minTop) {
          that.newTop = Math.floor(that.minTop / that.snap) * that.snap;
        }

        that.newHeight = (that.top - that.newTop) + that.startHeight;
      }
    }
    else if (!movesHorizontal) {
      that.newHeight = that.startHeight - deltaY;

      // Snap height
      if (that.snap && !that.revertSnap) {
        that.newHeight = Math.round(that.newHeight / that.snap) * that.snap;
      }

      if (that.top + that.newHeight > that.containerHeight) {
        that.newHeight = that.containerHeight - that.top;
      }
    }

    // Set min size
    if (that.newWidth <= that.minSize) {
      that.newWidth = that.minSize;
    }

    if (that.newHeight <= that.minSize) {
      that.newHeight = that.minSize;
    }

    // Apply ratio lock for elements except images, they have a their own specific for corner cases
    var lock = (that.revertLock ? !that.lock : that.lock);
    if (lock && (moveDiagonally || !that.isImage)) {
      that.lockDimensions(moveW, moveN, movesVertical, movesHorizontal);
    }

    // Reduce size by padding and borders
    that.finalWidth = that.newWidth;
    that.finalHeight = that.newHeight;
    if (that.$element.css('boxSizing') !== 'border-box') {
      that.finalWidth -= (that.padding.horizontal + that.borders.horizontal);
      that.finalHeight -= (that.padding.vertical + that.borders.vertical);
    }

    that.$element.css({
      width: (that.finalWidth / that.containerEm) + 'em',
      height: (that.finalHeight / that.containerEm) + 'em',
      left: ((that.newLeft / that.containerWidth) * 100) + '%',
      top: ((that.newTop / that.containerHeight) * 100) + '%'
    });

    that.trigger('moveResizing');
  };

  /**
   * Changes element values depending on moving direction of the element
   * @param isMovingWest
   * @param isMovingNorth
   * @param movesVertical
   * @param movesHorizontal
   */
  C.prototype.lockDimensions = function (isMovingWest, isMovingNorth, movesVertical, movesHorizontal) {
    var self = this;

    // Cap movement at top
    var lockTop = function (isMovingNorth) {
      if (!isMovingNorth) {
        return;
      }

      self.newTop = self.top - (self.newHeight - self.startHeight);

      // Edge case
      if (self.newTop <= 0) {
        self.newTop = 0;
      }
    };

    // Expand to longest edge
    if (movesVertical) {
      this.newWidth = this.newHeight * this.ratio;

      // Make sure locked ratio does not cause size to go below min size
      if (this.newWidth < this.minSize) {
        this.newWidth = this.minSize;
        this.newHeight = this.minSize / this.ratio;
      }
    }
    else if (movesHorizontal) {
      this.newHeight = this.newWidth / this.ratio;

      // Make sure locked ratio does not cause size to go below min size
      if (this.newHeight < this.minSize) {
        this.newHeight = this.minSize;
        this.newWidth = this.minSize * this.ratio;
      }
    }
    else if (this.newWidth / this.startWidth > this.newHeight / this.startHeight) {
      // Expand to width
      this.newHeight = this.newWidth / this.ratio;
    }
    else {
      // Expand to height
      this.newWidth = this.newHeight * this.ratio;
    }

    // Change top to match new height
    if (isMovingNorth) {
      lockTop(isMovingNorth);

      if (self.newTop <= 0) {
        self.newHeight = self.top + self.startHeight;
        self.newWidth = self.newHeight * self.ratio;
      }
    }
    else {
      // Too high
      if (this.top + this.newHeight > this.containerHeight) {
        this.newHeight = this.containerHeight - this.top;
        this.newWidth = this.newHeight * this.ratio;
      }
    }

    // Change left to match new width
    if (isMovingWest) {
      this.newLeft = this.left - (this.newWidth - this.startWidth);
      // Edge case
      if (this.newLeft <= 0) {
        this.newLeft = 0;
        this.newWidth = this.left + this.startWidth;
        this.newHeight = this.newWidth / this.ratio;
      }
    }
    else {
      // Too wide
      if (this.left + this.newWidth > this.containerWidth) {
        this.newWidth = this.containerWidth - this.left;
        this.newHeight = this.newWidth / this.ratio;
      }
    }

    // Need to re-lock top in case height changed
    lockTop(isMovingNorth);
  };

  /**
   * Stop resizing
   *
   * @param {Event} event
   */
  C.release = function (event) {
    var that = event.data.instance;
    that.active = false;

    H5P.$window
      .unbind('mouseup', C.release)
      .unbind('mousemove', C.move);

    H5P.$body
      .css({
        '-moz-user-select': '',
        '-webkit-user-select': '',
        'user-select': '',
        '-ms-user-select': ''
      })
      .removeAttr('unselectable')[0]
      .onselectstart = H5P.$body[0].ondragstart = null;

    if (that.newWidth !== that.startWidth ||
        that.newHeight !== that.startHeight) {
      // Stopped resizing send width and height in Ems
      that.trigger('stoppedResizing', {
        left: that.newLeft,
        top: that.newTop,
        width: that.finalWidth / that.containerEm,
        height: that.finalHeight / that.containerEm
      });
    }

    // Refocus element after resizing it. Apply timeout since focus is lost at the end of mouse event.
    setTimeout(function () {
      that.$element.focus();
    }, 0);

    // trigger to hide the transform panel unless it was activated
    // through the context menu
    that.trigger('hideTransformPanel');
  };

  /**
   * Toggle modifiers when we are not interacting with drag objects.
   * @param {boolean} [enable]
   */
  C.prototype.toggleModifiers = function (enable) {
    this.disabledModifiers = enable === undefined ? !this.disabledModifiers : !enable;
  };

  C.MIN_SIZE = 24;

  return C;
})(H5P.jQuery, H5P.EventDispatcher);
;

H5P.DragNBar = (function (EventDispatcher) {
  var nextInstanceIndex = 0;

  /**
   * Constructor. Initializes the drag and drop menu bar.
   *
   * @class
   * @param {Array} buttons
   * @param {H5P.jQuery} $container
   * @param {H5P.jQuery} $dialogContainer
   * @param {object} [options] Collection of options
   * @param {boolean} [options.disableEditor=false] Determines if DragNBar should be displayed in view or editor mode
   * @param {boolean} [options.enableCopyPaste=true] Determines if copy & paste is supported
   * @param {H5P.jQuery} [options.$blurHandlers] When clicking these element(s) dnb focus will be lost
   * @param {object} [options.libraries] Libraries to check against for paste notification
   */
  function DragNBar(buttons, $container, $dialogContainer, options) {
    var self = this;

    EventDispatcher.call(this);
    this.overflowThreshold = 13; // How many buttons to display before we add the more button.
    this.buttons = buttons;
    this.$container = $container;
    this.$dialogContainer = $dialogContainer;
    this.dnd = new H5P.DragNDrop(this, $container);
    this.dnd.snap = 10;
    this.newElement = false;
    var defaultOptions = {
      disableEditor: false,
      enableCopyPaste: true
    };
    options = H5P.jQuery.extend(defaultOptions, options);
    this.enableCopyPaste = options.enableCopyPaste;
    this.isEditor = !options.disableEditor;
    this.$blurHandlers = options.$blurHandlers ? options.$blurHandlers : undefined;
    this.libraries = options.libraries;
    this.instanceIndex = nextInstanceIndex++;

    /**
     * Keeps track of created DragNBar elements
     * @type {Array}
     */
    this.elements = [];

    // Create a popup dialog
    this.dialog = new H5P.DragNBarDialog($dialogContainer, $container);

    // Fix for forcing redraw on $container, to avoid "artifcats" on safari
    this.$container.addClass('hardware-accelerated');

    if (this.isEditor) {
      this.transformButtonActive = false;
      this.initEditor();
      this.initClickListeners();

      H5P.$window.resize(function () {
        self.resize();
      });
    }

    /**
     * Add button group.
     *
     * @private
     * @param {object[]} Buttons.
     * @param {H5P.jQuery} $button Button to add button group to.
     * @param {object} [options] Options.
     * @param {string} [options.title] Title for the group.
     */
    this.addButtonGroup = function (buttons, $button, options) {
      const $buttonGroup = H5P.jQuery('<li class="h5p-dragnbar-li h5p-dragnbar-button-group" data-label="Image"></li>');
      // Add optional title to the group
      if (options && options.title && options.title !=='') {
        H5P.jQuery('<div class="h5p-dragnbar-button-title">' + options.title + '</div>')
          .appendTo($buttonGroup);
      }

      // Container for buttons
      const $buttonGroupButtons = H5P.jQuery('<ul class="h5p-dragnbar-button-buttons h5p-dragnbar-ul"></ul>')
        .appendTo($buttonGroup);

      // Add buttons
      buttons.forEach(function (button) {
        self.addButton(button, $buttonGroupButtons);
      });

      $buttonGroup.insertAfter($button.parent());
      return $buttonGroup;
    };
  }

  // Inherit support for events
  DragNBar.prototype = Object.create(EventDispatcher.prototype);
  DragNBar.prototype.constructor = DragNBar;

  return DragNBar;
})(H5P.EventDispatcher);

/**
 * Initializes editor functionality of DragNBar
 */
H5P.DragNBar.prototype.initEditor = function () {
  var that = this;
  this.dnr = new H5P.DragNResize(this.$container);
  this.dnr.snap = 10;

  // Update coordinates when element is resized
  this.dnr.on('moveResizing', function () {
    var offset = that.$element.offset();
    var position = that.$element.position();
    that.updateCoordinates(offset.left, offset.top, position.left, position.top);
  });

  // Set pressed to not lose focus at the end of resize
  this.dnr.on('stoppedResizing', function () {
    that.pressed = true;

    // Delete pressed after dnbelement has been refocused so it will lose focus on single click.
    setTimeout(function () {
      delete that.pressed;
    }, 10);
  });

  /**
   * Show transform panel listeners
   */
  this.dnr.on('showTransformPanel', function () {
    TransformPanel(true);
  });
  this.dnd.on('showTransformPanel', function () {
    TransformPanel(true);
  });

  /**
   * Hide transform panel listeners
   */
  this.dnr.on('hideTransformPanel', function () {
    if (!that.transformButtonActive) {
      TransformPanel(false);
    }
  });
  this.dnd.on('hideTransformPanel', function () {
    if (!that.transformButtonActive) {
      TransformPanel(false);
    }
  });

  /**
   * Trigger a context menu transform to either show or hide
   * the transform panel.
   *
   * @param {boolean} show
   */
  function TransformPanel(show) {
    if (that.focusedElement) {
      that.focusedElement.contextMenu.trigger('contextMenuTransform', {showTransformPanel: show});
    }
  }

  this.dnd.startMovingCallback = function () {
    that.dnd.min = {x: 0, y: 0};
    that.dnd.max = {
      x: that.$container.width() - that.$element.outerWidth(),
      y: that.$container.height() - that.$element.outerHeight()
    };

    if (that.newElement) {
      that.dnd.adjust.x = 10;
      that.dnd.adjust.y = 10;
      that.dnd.min.y -= that.$list.height();
    }

    return true;
  };

  this.dnd.stopMovingCallback = function () {
    var pos = {};

    if (that.newElement) {
      that.$container.css('overflow', '');
      if (Math.round(parseFloat(that.$element.css('top'))) < 0) {
        // Try to center element, but avoid overlapping
        pos.x = (that.dnd.max.x / 2);
        pos.y = (that.dnd.max.y / 2);
        that.avoidOverlapping(pos, that.$element);
      }
    }

    if (pos.x === undefined || pos.y === undefined ) {
      pos.x = Math.round(parseFloat(that.$element.css('left')));
      pos.y = Math.round(parseFloat(that.$element.css('top')));
    }

    that.stopMoving(pos.x, pos.y);
    that.newElement = false;

    delete that.dnd.min;
    delete that.dnd.max;
  };
};

/**
 * Tries to position the given element close to the requested coordinates.
 * Element can be skipped to check if spot is available.
 *
 * @param {object} pos
 * @param {number} pos.x
 * @param {number} pos.y
 * @param {(H5P.jQuery|Object)} element object with width&height if ran before insertion.
 */
H5P.DragNBar.prototype.avoidOverlapping = function (pos, $element) {
  // Determine size of element
  var size = $element;
  if (size instanceof H5P.jQuery) {
    size = window.getComputedStyle(size[0]);
    size = {
      width: parseFloat(size.width),
      height: parseFloat(size.height)
    };
  }
  else {
    $element = undefined;
  }

  // Determine how much they can be manuvered
  var containerStyle = window.getComputedStyle(this.$container[0]);
  var manX = parseFloat(containerStyle.width) - size.width;
  var manY = parseFloat(containerStyle.height) - size.height;

  var limit = 16;
  var attempts = 0;

  while (attempts < limit && this.elementOverlaps(pos.x, pos.y, $element)) {
    // Try to place randomly inside container
    if (manX > 0) {
      pos.x = Math.floor(Math.random() * manX);
    }
    if (manY > 0) {
      pos.y = Math.floor(Math.random() * manY);
    }
    attempts++;
  }
};

/**
 * Determine if moving the given element to its new position will cause it to
 * cover another element. This can make new or pasted elements difficult to see.
 * Element can be skipped to check if spot is available.
 *
 * @param {number} x
 * @param {number} y
 * @param {H5P.jQuery} [$element]
 * @returns {boolean}
 */
H5P.DragNBar.prototype.elementOverlaps = function (x, y, $element) {
  var self = this;

  // Use snap grid
  x = Math.round(x / 10);
  y = Math.round(y / 10);

  for (var i = 0; i < self.elements.length; i++) {
    var element = self.elements[i];
    if ($element !== undefined && element.$element === $element) {
      continue;
    }

    if (x === Math.round(parseFloat(element.$element.css('left')) / 10) &&
        y === Math.round(parseFloat(element.$element.css('top')) / 10)) {
      return true; // Stop loop
    }
  }

  return false;
};

// Key coordinates
var SHIFT = 16;
var CTRL = 17;
var DELETE = 46;
var BACKSPACE = 8;
var C = 67;
var V = 86;
var LEFT = 37;
var UP = 38;
var RIGHT = 39;
var DOWN = 40;

// Keep track of key state
var ctrlDown = false;

// How many pixels to move
var snapAmount = 1;

/**
 * Handle keydown events for the entire frame
 */
H5P.DragNBar.keydownHandler = function (event) {
  var self = event.data.instance;
  var activeElement = document.activeElement;

  // Don't care about keys if parent editor is not in focus
  // This means all editors using drag-n-bar need to set a tabindex
  // (it's not done inside this library)
  if (self.$dialogContainer.find(activeElement).length === 0 && self.$dialogContainer.get(0) !== activeElement) {
    return;
  }

  if (event.which === CTRL) {
    ctrlDown = true;

    if (self.dnd.snap !== undefined) {
      // Disable snapping
      delete self.dnd.snap;
    }
  }

  if (event.which === SHIFT) {
    snapAmount = self.dnd.snap;
  }

  if (event.which === LEFT && self.focusedElement) {
    if (activeElement.contentEditable === 'true' || activeElement.value !== undefined) {
      return;
    }
    event.preventDefault();
    self.moveWithKeys(-snapAmount, 0);
  }
  else if (event.which === UP && self.focusedElement) {
    if (activeElement.contentEditable === 'true' || activeElement.value !== undefined) {
      return;
    }
    event.preventDefault();
    self.moveWithKeys(0, -snapAmount);
  }
  else if (event.which === RIGHT && self.focusedElement) {
    if (activeElement.contentEditable === 'true' || activeElement.value !== undefined) {
      return;
    }
    event.preventDefault();
    self.moveWithKeys(snapAmount, 0);
  }
  else if (event.which === DOWN && self.focusedElement) {
    if (activeElement.contentEditable === 'true' || activeElement.value !== undefined) {
      return;
    }
    event.preventDefault();
    self.moveWithKeys(0, snapAmount);
  }
  else if (event.which === C && ctrlDown && self.focusedElement && self.$container.is(':visible')) {
    self.copyHandler(event);
  }
  else if (event.which === V && ctrlDown && window.localStorage && self.$container.is(':visible')) {
    self.pasteHandler(event);
  }
  else if ((event.which === DELETE || event.which === BACKSPACE) && self.focusedElement && self.$container.is(':visible') && activeElement.tagName.toLowerCase() !== 'input') {
    if (self.pressed === undefined) {
      self.focusedElement.contextMenu.trigger('contextMenuRemove');
      event.preventDefault(); // Prevent browser navigating back
    }
  }
};

/**
 * Copy object.
 * @param {Event} event - Event to check for copyable content.
 */
H5P.DragNBar.prototype.copyHandler = function (event) {

  if (!this.enableCopyPaste) {
    return;
  }

  var self = event === undefined ? this : event.data.instance;
  // Copy element params to clipboard
  var elementSize = window.getComputedStyle(self.focusedElement.$element[0]);
  var width = parseFloat(elementSize.width);
  var height = parseFloat(elementSize.height) / width;
  width = width / (parseFloat(window.getComputedStyle(self.$container[0]).width) / 100);
  height *= width;

  self.focusedElement.toClipboard(width, height);
  H5P.externalDispatcher.trigger('datainclipboard', {reset: false});
};

/**
 * Paste object.
 * @param {Event} event - Event to check for pastable content.
 */
H5P.DragNBar.prototype.pasteHandler = function (event) {
  var self = event === undefined ? this : event.data.instance;
  var activeElement = document.activeElement;

  // Don't paste if parent editor is not in focus
  if (!this.enableCopyPaste || self.preventPaste || self.dialog.isOpen() ||
      activeElement.contentEditable === 'true' || activeElement.value !== undefined) {
    return;
  }

  if (self.$pasteButton.hasClass('disabled')) {
    // Inform user why pasting is not possible
    const pasteCheck = H5PEditor.canPastePlus(H5P.getClipboard(), this.libraries);
    if (pasteCheck.canPaste !== true) {
      if (pasteCheck.reason === 'pasteTooOld' || pasteCheck.reason === 'pasteTooNew') {
        self.confirmPasteError(pasteCheck.description, 0, function () {});
      }
      else {
        H5PEditor.attachToastTo(
          self.$pasteButton.get(0),
          pasteCheck.description,
          {position: {horizontal: 'center', vertical: 'above', noOverflowX: true}}
        );
      }
      return;
    }
  }

  var clipboardData = localStorage.getItem('h5pClipboard');
  if (clipboardData) {
    // Parse
    try {
      clipboardData = JSON.parse(clipboardData);
    }
    catch (err) {
      console.error('Unable to parse JSON from clipboard.', err);
      return;
    }

    // Update file URLs
    H5P.DragNBar.updateFileUrls(clipboardData.specific, function (path) {
      var isTmpFile = (path.substr(-4,4) === '#tmp');
      if (!isTmpFile && clipboardData.contentId) {
        // Comes from existing content

        if (H5PEditor.contentId) {
          // .. to existing content
          return '../' + clipboardData.contentId + '/' + path;
        }
        else {
          // .. to new content
          return (H5PEditor.contentRelUrl ? H5PEditor.contentRelUrl : '../content/') + clipboardData.contentId + '/' + path;
        }
      }
      return path; // Will automatically be looked for in tmp folder
    });

    if (clipboardData.generic) {
      // Use reference instead of key
      clipboardData.generic = clipboardData.specific[clipboardData.generic];

      // Avoid multiple content with same ID
      delete clipboardData.generic.subContentId;
    }

    self.trigger('paste', clipboardData);
  }
};

/**
 * Set state of paste button.
 * @param {boolean} canPaste - If true, button will be enabled
 */
H5P.DragNBar.prototype.setCanPaste = function (canPaste) {
  canPaste = canPaste || false;
  if (this.$pasteButton) {
    this.$pasteButton.toggleClass('disabled', !canPaste);
  }
};

/**
 * Confirm replace if there is content selected
 *
 * @param {number} top Offset
 * @param {function} next Next callback
 */
H5P.DragNBar.prototype.confirmPasteError = function (message, top, next) {
  // Confirm changing library
  var confirmReplace = new H5P.ConfirmationDialog({
    headerText: H5PEditor.t('core', 'pasteError'),
    dialogText: message,
    cancelText: ' ',
    confirmText: H5PEditor.t('core', 'ok')
  }).appendTo(document.body);
  confirmReplace.on('confirmed', next);
  confirmReplace.show(top);
};

/**
 * Handle keypress events for the entire frame
 */
H5P.DragNBar.keypressHandler = function (event) {
  var self = event.data.instance;
  if (event.which === BACKSPACE && self.focusedElement && self.$container.is(':visible') && document.activeElement.tagName.toLowerCase() !== 'input') {
    event.preventDefault(); // Prevent browser navigating back
  }
};

/**
 * Handle keyup events for the entire frame
 */
H5P.DragNBar.keyupHandler = function (event) {
  var self = event.data.instance;

  if (event.which === CTRL) {
    // Update key state
    ctrlDown = false;

    // Enable snapping
    self.dnd.snap = 10;
  }
  if (event.which === SHIFT) {
    snapAmount = 1;
  }

  if (self.focusedElement && (event.which === LEFT || event.which === UP || event.which === RIGHT || event.which === DOWN)) {
    // Store position of element after moving
    var position = self.getElementSizeNPosition();
    self.stopMoving(Math.round(position.left), Math.round(position.top));
  }
};

/**
 * Handle click events for the entire frame
 */
H5P.DragNBar.clickHandler = function (event) {
  var self = event.data.instance;

  // Remove pressed on click
  delete self.pressed;
};

/**
 * Initialize click listeners
 */
H5P.DragNBar.prototype.initClickListeners = function () {
  var self = this;
  var index = self.instanceIndex;

  // Register event listeners
  var eventData = {
    instance: self
  };
  H5P.$body.on('keydown.dnb' + index, eventData, H5P.DragNBar.keydownHandler)
    .on('keypress.dnb' + index, eventData, H5P.DragNBar.keypressHandler)
    .on('keyup.dnb' + index, eventData, H5P.DragNBar.keyupHandler)
    .on('click.dnb' + index, eventData, H5P.DragNBar.clickHandler);

  // Set blur handler element if option has been specified
  var $blurHandlers = this.$container;
  if (this.$blurHandlers) {
    $blurHandlers = this.$blurHandlers;
  }

  function handleBlur() {
    // Remove coordinates picker if we didn't press an element.
    if (self.pressed !== undefined) {
      delete self.pressed;
    }
    else {
      self.blurAll();
      if (self.focusedElement !== undefined) {
        delete self.focusedElement;
      }
    }
  }

  $blurHandlers
    .keydown(function (e) {
      if (e.which === 9) { // pressed tab
        handleBlur();
      }
    })
    .click(handleBlur);
};

/**
 * Update file URLs. Useful when copying between different contents.
 *
 * @param {object} params Reference
 * @param {function} handler Modifies the path to work when pasted
 */
H5P.DragNBar.updateFileUrls = function (params, handler) {
  for (var prop in params) {
    if (params.hasOwnProperty(prop) && params[prop] instanceof Object) {
      var obj = params[prop];
      if (obj.path !== undefined && obj.mime !== undefined) {
        obj.path = handler(obj.path);
      }
      else {
        H5P.DragNBar.updateFileUrls(obj, handler);
      }
    }
  }
};

/**
 * Attaches the menu bar to the given wrapper.
 *
 * @param {jQuery} $wrapper
 * @returns {undefined}
 */
H5P.DragNBar.prototype.attach = function ($wrapper) {
  var self = this;
  $wrapper.html('');
  $wrapper.addClass('h5peditor-dragnbar');

  var $list = H5P.jQuery('<ul class="h5p-dragnbar-ul"></ul>').appendTo($wrapper);
  this.$list = $list;

  for (var i = 0; i < this.buttons.length; i++) {
    var button = this.buttons[i];

    if (i === this.overflowThreshold) {
      const $buttonMore = H5P.jQuery('<li class="h5p-dragnbar-li"><a href="#" title="' + H5PEditor.t('H5P.DragNBar', 'moreElements') + '" class="h5p-dragnbar-a h5p-dragnbar-more-button"></a><ul class="h5p-dragnbar-li-ul"></ul></li>');
      $list = $buttonMore
        .appendTo($list)
        .click(function (e) {
          $list.stop().slideToggle(300);
          e.preventDefault();
        })
        .children(':first')
        .next();

      // Close "more" on click somewhere else
      H5P.jQuery(document).click(function (event) {
        if (!H5P.jQuery(event.target).is($buttonMore.find('.h5p-dragnbar-more-button')) && $list.css('display') !== 'none') {
          $list.stop().slideToggle(300);
        }
      });
    }

    this.addButton(button, $list);
  }

  if (this.enableCopyPaste) {
    // Paste button
    this.$pasteButton = H5P.jQuery(
      '<li class="h5p-dragnbar-li paste-button disabled">' +
        '<a href="#" class="h5p-dragnbar-a h5p-dragnbar-paste-button" />' +
      '</li>'
    );

    H5P.jQuery('<span>', {
      'class': 'h5p-dragnbar-tooltip',
      'text': H5PEditor.t('H5P.DragNBar', 'paste')
    }).appendTo(this.$pasteButton);

    this.$pasteButton.find('.h5p-dragnbar-paste-button').click(function (event) {
      event.preventDefault(); // Avoid anchor click making window scroll
      self.pasteHandler();
    });
    if (this.buttons.length > this.overflowThreshold) {
      this.$pasteButton.insertAfter($list.parent());
    }
    else {
      this.$pasteButton.appendTo($list);
    }
  }

  this.containTooltips();
};

/**
 * Add button.
 *
 * @param {type} button
 * @param {Function} button.createElement Function for creating element
 * @param {type} $list
 * @returns {undefined}
 */
H5P.DragNBar.prototype.addButton = function (button, $list) {
  var that = this;

  const hasTitle = (button.title && button.title !== '');
  const ariaLabel = hasTitle ? ' aria-label="' + button.title + '"' : '';
  var $button = H5P.jQuery(
    '<li class="h5p-dragnbar-li" data-label="Image">' +
      '<a href="#" class="h5p-dragnbar-a h5p-dragnbar-' + button.id + '-button"' + ariaLabel + '></a>' +
    '</li>'
  ).appendTo($list);

  // Prevent empty tooltips (would show on Firefox)
  if (hasTitle) {
    H5P.jQuery('<span/>', {
      'class': 'h5p-dragnbar-tooltip',
      'text': button.title
    }).appendTo($button);
  }

  let $buttonGroup;
  if (button.type === 'group') {
    // Create dropdown button group
    $buttonGroup = this.addButtonGroup(button.buttons, $button, {title: button.titleGroup});
    $buttonGroup.addClass('h5peditor-dragnbar-gone');

    // Close group on click somewhere else
    H5P.jQuery(document).click(function (event) {
      const hitButton = H5P.jQuery(event.target).is($button); // Closing handled by button itself
      const hitButtonGroup = H5P.jQuery(event.target).closest('.h5p-dragnbar-button-group').length === 1;
      if (!hitButton && !hitButtonGroup) {
        $buttonGroup.toggleClass('h5peditor-dragnbar-gone', true);
        $button.find('.h5p-dragnbar-tooltip').toggleClass('h5peditor-dragnbar-gone', false);
      }
    });
  }

  $button
    .hover(function () {
      that.containTooltips();
    })
    .children()
    .click(function () {
      return false;
    }).mousedown(function (event) {
      if (event.which !== 1) {
        return;
      }

      // Switch between normal button and dropdown button group
      if (button.type === 'group') {
        if ($buttonGroup !== undefined) {
          // Set position here, because content types might add buttons out of order
          const offset = parseFloat($button.closest('.h5p-dragnbar').css('padding-left'));
          const position = $button.position().left - $buttonGroup.position().left - offset;
          if (position > 0) {
            $buttonGroup.css('left', position);
          }

          // Show dropdown and hide buttons tooltip
          $buttonGroup.toggleClass('h5peditor-dragnbar-gone');
          $button.find('.h5p-dragnbar-tooltip').toggleClass('h5peditor-dragnbar-gone');
        }
      }
      else {
        that.newElement = true;
        that.pressed = true;
        var createdElement = button.createElement();
        that.$element = createdElement;
        that.$container.css('overflow', 'visible');
        // y = 0 will make sure this press is regarded as outside of canvas to place element correctly
        that.dnd.press(that.$element, event.pageX, 0);
        that.focus(that.$element);
      }
    });
};

/**
 * Contain tooltips.
 *
 * @returns {undefined}
 */
H5P.DragNBar.prototype.containTooltips = function () {
  var that = this;

  var containerWidth = that.$container.outerWidth();

  this.$list.find('.h5p-dragnbar-tooltip').each(function () {
    // Get correct offset even if element is a child
    var width = H5P.jQuery(this).outerWidth();
    var parentWidth = H5P.jQuery(this).parents('.h5p-dragnbar-li').last().outerWidth();

    // Center the tooltip
    H5P.jQuery(this).css('left', -(width / 2) + (parentWidth / 2) + 'px');

    var offsetLeft = H5P.jQuery(this).position().left += H5P.jQuery(this).parents('.h5p-dragnbar-li').last().position().left;

    // If outside left edge
    if (offsetLeft <= 0) {
      H5P.jQuery(this).css('left', 0);
    }

    // If outside right edge
    if (offsetLeft + width > containerWidth) {
      H5P.jQuery(this).css('left', -(width - parentWidth));
    }
  });
};

/**
 * Change container.
 *
 * @param {jQuery} $container
 * @returns {undefined}
 */
H5P.DragNBar.prototype.setContainer = function ($container) {
  this.$container = $container;
  if (this.dnd) {
    this.dnd.$container = $container;
  }
  if (this.dnr) {
    this.dnr.$container = $container;
  }
};

/**
 * Handler for when the dragging stops. Makes sure the element is inside its container.
 *
 * @param {Number} left
 * @param {Number} top
 * @returns {undefined}
 */
H5P.DragNBar.prototype.stopMoving = function (left, top) {
  // Calculate percentage
  top = top / (this.$container.height() / 100);
  left = left / (this.$container.width() / 100);
  this.$element.css({top: top + '%', left: left + '%'});

  // Give others the result
  if (this.stopMovingCallback !== undefined) {
    this.stopMovingCallback(left, top);
  }
};

/**
 * @typedef SizeNPosition
 * @type Object
 * @property {number} width Outer width of the element
 * @property {number} height Outer height of the element
 * @property {number} left The X Coordinate
 * @property {number} top The Y Coordinate
 * @property {number} containerWidth Inner width of the container
 * @property {number} containerHeight Inner height of the container
 */

/**
 *
 * Only works when element is inside this.$container. This is assumed and no
 * are done.
 *
 * @param {H5P.jQuery} [$element] Defaults to focused element.
 * @throws 'No element given' if $element is missing
 * @return {SizeNPosition}
 */
H5P.DragNBar.prototype.getElementSizeNPosition = function ($element) {
  $element = $element || this.focusedElement.$element;
  if (!$element || !$element.length) {
    throw 'No element given';
  }

  // Always use outer size for element
  var size = $element[0].getBoundingClientRect();

  // Always use position relative to container for element
  var position = window.getComputedStyle($element[0]);

  // We include container inner size as well
  var containerSize = window.getComputedStyle(this.$container[0]);

  // Start preparing return value
  var sizeNPosition = {
    width: parseFloat(size.width),
    height: parseFloat(size.height),
    left: parseFloat(position.left),
    top: parseFloat(position.top),
    containerWidth: parseFloat(containerSize.width),
    containerHeight: parseFloat(containerSize.height)
  };

  if (position.left.substr(-1, 1) === '%' || position.top.substr(-1, 1) === '%') {
    // Some browsers(Safari) gets percentage value instead of pixel value.
    // Container inner size must be used to calculate such values.
    sizeNPosition.left *= (sizeNPosition.containerWidth / 100);
    sizeNPosition.top *= (sizeNPosition.containerHeight / 100);
  }

  return sizeNPosition;
};

/**
 * Makes it possible to move dnb elements by adding to it's x and y
 *
 * @param {number} x Amount to move on x-axis.
 * @param {number} y Amount to move on y-axis.
 */
H5P.DragNBar.prototype.moveWithKeys = function (x, y) {

  /**
   * Ensure that the given value is within the given boundaries.
   *
   * @private
   * @param {number} value
   * @param {number} min
   * @param {number} max
   * @return {number}
   */
  var withinBoundaries = function (value, min, max) {
    if (value < min) {
      value = min;
    }
    if (value > max) {
      value = max;
    }

    return value;
  };

  // Get size and position of current elemet in focus
  var sizeNPosition = this.getElementSizeNPosition();

  // Change position
  sizeNPosition.left += x;
  sizeNPosition.top += y;

  // Check that values are within boundaries
  sizeNPosition.left = withinBoundaries(sizeNPosition.left, 0, sizeNPosition.containerWidth - sizeNPosition.width);
  sizeNPosition.top = withinBoundaries(sizeNPosition.top, 0, sizeNPosition.containerHeight - sizeNPosition.height);

  // Determine new position style
  this.$element.css({
    left: sizeNPosition.left + 'px',
    top: sizeNPosition.top + 'px',
  });

  this.dnd.trigger('showTransformPanel');

  // Update position of context menu
  this.updateCoordinates(sizeNPosition.left, sizeNPosition.top, sizeNPosition.left, sizeNPosition.top);
};

/**
 * Makes it possible to focus and move the element around.
 * Must be inside $container.
 *
 * @param {H5P.jQuery} $element
 * @param {Object} [options]
 * @param {H5P.DragNBarElement} [options.dnbElement] Register new element with dnbelement
 * @param {boolean} [options.disableResize] Resize disabled
 * @param {boolean} [options.lock] Lock ratio during resize
 * @param {string} [clipboardData]
 * @returns {H5P.DragNBarElement} Reference to added dnbelement
 */
H5P.DragNBar.prototype.add = function ($element, clipboardData, options) {
  var self = this;
  options = options || {};
  if (this.isEditor && !options.disableResize) {
    this.dnr.add($element, options);
  }
  var newElement = null;

  // Check if element already exist
  if (options.dnbElement) {
    // Set element as added element
    options.dnbElement.setElement($element);
    newElement = options.dnbElement;
  }
  else {
    options.element = $element;
    options.disableCopy = !this.enableCopyPaste;
    newElement = new H5P.DragNBarElement(this, clipboardData, options);
    this.elements.push(newElement);
  }

  $element.addClass('h5p-dragnbar-element');

  if (this.isEditor) {
    if (newElement.contextMenu) {
      newElement.contextMenu.on('contextMenuCopy', function () {
        self.copyHandler();
      });
    }

    if ($element.attr('tabindex') === undefined) {
      // Make it possible to tab between elements.
      $element.attr('tabindex', '0');
    }

    $element.mousedown(function (event) {
      if (event.which !== 1) {
        return;
      }

      self.pressed = true;
      self.focus($element);
      if (self.dnr.active !== true) { // Moving can be stopped if the mousedown is doing something else
        self.dnd.press($element, event.pageX, event.pageY);
      }
    });
  }

  $element.focus(function () {
    self.focus($element);
  });

  return newElement;
};

/**
 * Remove given element in the UI.
 *
 * @param {H5P.DragNBarElement} dnbElement
 */
H5P.DragNBar.prototype.removeElement = function (dnbElement) {
  dnbElement.removeElement();
};

/**
 * Select the given element in the UI.
 *
 * @param {jQuery} $element
 * @returns {undefined}
 */
H5P.DragNBar.prototype.focus = function ($element) {
  var self = this;

  // Blur last focused
  if (this.focusedElement && this.focusedElement.$element !== $element) {
    this.focusedElement.blur();
    this.focusedElement.hideContextMenu();
  }

  if (!$element.is(':visible')) {
    return; // Do not focus invisible items (fixes FF refocus issue)
  }

  // Keep track of the element we have in focus
  self.$element = $element;
  this.dnd.setElement($element);

  // Show and update coordinates picker
  this.focusedElement = this.getDragNBarElement($element);

  if (this.focusedElement) {
    this.focusedElement.showContextMenu();
    this.focusedElement.focus();
    self.updateCoordinates();
  }

  // Wait for potential recreation of element
  setTimeout(function () {
    self.updateCoordinates();
    if (self.focusedElement && self.focusedElement.contextMenu && self.focusedElement.contextMenu.canResize) {
      self.focusedElement.contextMenu.updateDimensions();
    }
  }, 0);
};

/**
 * Get dnbElement from $element
 * @param {jQuery} $element
 * @returns {H5P.DragNBarElement} dnbElement with matching $element
 */
H5P.DragNBar.prototype.getDragNBarElement = function ($element) {
  var foundElement;
  // Find object with matching element
  this.elements.forEach(function (element) {
    if (element.getElement().is($element)) {
      foundElement = element;
    }
  });
  return foundElement;
};

/**
 * Deselect all elements in the UI.
 *
 * @returns {undefined}
 */
H5P.DragNBar.prototype.blurAll = function () {
  this.elements.forEach(function (element) {
    element.blur();
  });
  delete this.focusedElement;
};

/**
 * Resize DnB, make sure context menu is positioned correctly.
 */
H5P.DragNBar.prototype.resize = function () {
  var self = this;
  this.updateCoordinates();

  if (self.focusedElement) {
    self.focusedElement.resizeContextMenu(self.$element.offset().left - self.$element.parent().offset().left);
  }
};

/**
 * Update the coordinates of context menu.
 *
 * @param {Number} [left]
 * @param {Number} [top]
 * @param {Number} [x]
 * @param {Number} [y]
 * @returns {undefined}
 */
H5P.DragNBar.prototype.updateCoordinates = function (left, top, x, y) {
  if (!this.focusedElement) {
    return;
  }

  var containerPosition = this.$container.position();

  if (left && top && x && y) {
    left = x + containerPosition.left;
    top = y + containerPosition.top;
    this.focusedElement.updateCoordinates(left, top, x, y);
  }
  else {
    var position = this.$element.position();
    this.focusedElement.updateCoordinates(position.left + containerPosition.left, position.top + containerPosition.top, position.left, position.top);
  }
};

/**
 * Creates element data to store in the clipboard.
 *
 * @param {string} from Source of the element
 * @param {object} params Element options
 * @param {string} [generic] Which part of the parameters can be used by other libraries
 * @returns {string} JSON
 */
H5P.DragNBar.clipboardify = function (from, params, generic) {
  var clipboardData = {
    from: from,
    specific: params
  };

  if (H5PEditor.contentId) {
    clipboardData.contentId = H5PEditor.contentId;
  }

  // Add the generic part
  if (params[generic]) {
    clipboardData.generic = generic;
  }

  return clipboardData;
};

/**
 * Make sure the given element is inside the container.
 *
 * @param {SizeNPosition} sizeNPosition For the element
 * @returns {SizeNPosition} Only the properties which require change
 */
H5P.DragNBar.fitElementInside = function (sizeNPosition) {
  var style = {};

  if (sizeNPosition.left < 0) {
    // Element sticks out of the left side
    style.left = sizeNPosition.left = 0;
  }

  if (sizeNPosition.width + sizeNPosition.left > sizeNPosition.containerWidth) {
    // Element sticks out of the right side
    style.left = sizeNPosition.containerWidth - sizeNPosition.width;
    if (style.left < 0) {
      // Element is wider than the container
      style.left = 0;
      style.width = sizeNPosition.containerWidth;
    }
  }

  if (sizeNPosition.top < 0) {
    // Element sticks out of the top side
    style.top = sizeNPosition.top = 0;
  }

  if (sizeNPosition.height + sizeNPosition.top > sizeNPosition.containerHeight) {
    // Element sticks out of the bottom side
    style.top = sizeNPosition.containerHeight - sizeNPosition.height;
    if (style.top < 0) {
      // Element is higher than the container
      style.top = 0;
      style.height = sizeNPosition.containerHeight;
    }
  }

  return style;
};

/**
 * Clean up any event listeners
 */
H5P.DragNBar.prototype.remove = function () {
  var index = this.instanceIndex;

  H5P.$body.off('keydown.dnb' + index, H5P.DragNBar.keydownHandler)
    .off('keypress.dnb' + index, H5P.DragNBar.keypressHandler)
    .off('keyup.dnb' + index, H5P.DragNBar.keyupHandler)
    .off('click.dnb' + index, H5P.DragNBar.clickHandler);
};
;
/*global H5P*/

/**
 * Create context menu
 */
H5P.DragNBarContextMenu = (function ($, EventDispatcher) {

  /**
   * Constructor for context menu
   * @class
   * @param {jQuery} $container Parent container
   * @param {H5P.DragNBarElement} DragNBarElement
   * @param {boolean} [hasCoordinates] Decides if coordinates will be displayed
   * @param {boolean} [disableResize] No input for dimensions
   * @param {boolean} [disableCopy] Disable copy button
   * @param {string} [directionLock] Which way to lock resizing. Possible values:
   *  - 'vertical'
   *  - 'horizontal'
   */
  function ContextMenu($container, DragNBarElement, hasCoordinates, disableResize, disableCopy, directionLock) {
    var self = this;
    EventDispatcher.call(this);

    /**
     * Keeps track of DragNBar object
     *
     * @type {H5P.DragNBar}
     */
    this.dnb = DragNBarElement.dnb;

    this.directionLock = directionLock;

    /**
     * Keeps track of DnBElement object
     *
     * @type {H5P.DragNBarElement}
     */
    this.dnbElement = DragNBarElement;

    /**
     * Keeps track of context menu container
     *
     * @type {H5P.jQuery}
     */
    this.$contextMenu = $('<div>', {
      'class': 'h5p-dragnbar-context-menu'
    });

    /**
     * Keeps track of buttons container
     *
     * @type {H5P.jQuery}
     */
    this.$buttons = $('<div>', {
      'class': 'h5p-context-menu-buttons'
    });

    /**
     * Keeps track of transform panel
     *
     * @type {H5P.jQuery}
     */
    this.$transformPanel = $('<div>', {
      'class': 'h5p-transform-panel hide'
    });

    /**
     * Keeps track of context menu parent
     *
     * @type {jQuery}
     */
    this.$parent = $container;

    /**
     * Keeps track of whether the context menu should display coordinates
     * @type {Boolean}
     */
    this.hasCoordinates = (hasCoordinates !== undefined ? hasCoordinates : true);

    /**
     * Determines if the dimensions can be changed.
     * @type {boolean}
     */
    this.canResize = !disableResize;

    /**
     * Determines if the transform panel is showing.
     * @type {boolean}
     */
    this.showingTransformPanel = false;

    /**
     * Button containing button name and event name that will be fired.
     * @typedef {Object} ContextMenuButton
     * @property {String} name Machine readable
     * @property {String} label Human readable
     */

    /**
     * Keeps track of button objects
     * @type {ContextMenuButton[]}
     */
    this.buttons = [
      {name: 'Edit', label: H5PEditor.t('H5P.DragNBar', 'editLabel')},
      {name: 'BringToFront', label: H5PEditor.t('H5P.DragNBar', 'bringToFrontLabel')},
      {name: 'SendToBack', label: H5PEditor.t('H5P.DragNBar', 'sendToBackLabel')},
      {name: 'Remove', label: H5PEditor.t('H5P.DragNBar', 'removeLabel')}
    ];

    if (!disableCopy) {
      this.buttons.splice(1, 0, {name: 'Copy', label: H5PEditor.t('H5P.DragNBar', 'copyLabel')});
    }

    /**
     * Register transform listener
     *
     * @param {event} [e] event
     * @param {Object} [e.data] event data
     * @param {Boolean} [e.data.showTransformPanel] Show transform panel
     */
    self.on('contextMenuTransform', function (e) {
      if (e && e.data.showTransformPanel !== undefined) {
        // Use event data
        self.showingTransformPanel = e.data.showTransformPanel;
      }
      else {
        // Toggle showing panel
        self.showingTransformPanel = !self.showingTransformPanel;
      }

      // Toggle sticky transform panel
      if (e.data.button === 'Transform') {
        if (self.dnb.transformButtonActive) {
          self.dnb.transformButtonActive = false;
        }
        else {
          self.dnb.transformButtonActive = true;
        }
      }

      // Remove sticky transform panel when focus is lost
      if (e.data.showTransformPanel == false) {
        self.dnb.transformButtonActive = false;
      }

      // Toggle buttons bar and transform panel
      self.toggleButtonsBar(!self.showingTransformPanel);
      self.toggleTransformPanel(self.showingTransformPanel);
      self.$transformButtonWrapper.toggleClass('active', self.showingTransformPanel);

      // Realign context menu
      self.dnb.updateCoordinates();
    });

    this.updateContextMenu();
  }

  // Inherit event dispatcher
  ContextMenu.prototype = Object.create(EventDispatcher.prototype);
  ContextMenu.prototype.constructor = ContextMenu;

  /**
   * Create coordinates in context menu
   */
  ContextMenu.prototype.addCoordinates = function () {
    // Coordinates disabled or exists
    if (!this.hasCoordinates || this.$coordinates) {
      return;
    }

    var self = this;

    // Add coordinates picker
    this.$coordinates = $(
      '<div class="h5p-dragnbar-coordinates">' +
        '<div class="h5p-dragnbar-label">' + H5PEditor.t('H5P.DragNBar', 'positionLabel') + '</div>' +
        '<div class="h5p-dragnbar-x-container" aria-label="X position">' +
          '<input class="h5p-dragnbar-x" type="text" value="0">' +
        '</div>' +
        '<span class="h5p-dragnbar-coordinates-separater">,</span>' +
        '<div class="h5p-dragnbar-y-container" aria-label="Y position">' +
          '<input class="h5p-dragnbar-y" type="text" value="0">' +
        '</div>' +
      '</div>'
    ).mousedown(function () {
      self.dnb.pressed = true;
    }).appendTo(this.$transformPanel);

    this.$x = this.$coordinates.find('.h5p-dragnbar-x');
    this.$y = this.$coordinates.find('.h5p-dragnbar-y');

    this.$x.add(this.$y).on('change keydown', function (event) {
      if (event.type === 'change' || event.which === 13) {

        // Get input
        var x = Number(self.$x.val());
        var y = Number(self.$y.val());

        if (!isNaN(x) && !isNaN(y)) {

          // Do not move outside of container
          var min = {x: 0 , y: 0};
          var max = {
            x: self.dnb.$container.width() - self.dnbElement.getElement().outerWidth(),
            y: self.dnb.$container.height() - self.dnbElement.getElement().outerHeight()
          };

          // Check min values
          if (x < 0) {
            x = min.x;
          }
          if (y < 0) {
            y = min.y;
          }

          // Check max values
          if (x > max.x) {
            x = max.x;
          }
          if (y > max.y) {
            y = max.y;
          }

          // Update and store location
          self.dnb.stopMoving(x, y);

          if (event.which === 13) {
            // Pressed enter, mark number for easy edit
            setTimeout(function () {
              event.target.focus();
              event.target.setSelectionRange(0, event.target.value.length);
            }, 0);
          }

          // Update context menu position
          self.dnb.updateCoordinates();
        }
      }
    }).click(function (event) {
      // Select coordinates numbers for easy edit
      event.target.focus();
      event.target.setSelectionRange(0, event.target.value.length);
    });
  };

  /**
   * Update the coordinates picker.
   *
   * @param {Number} left Left pos of context menu
   * @param {Number} top Top pos of context menu
   * @param {Number} x X value in coordinates
   * @param {Number} y Y value in coordinates
   */
  ContextMenu.prototype.updateCoordinates = function (left, top, x, y) {
    // Move it
    this.$contextMenu.css({
      left: left,
      top: top
    });

    // Set pos
    if (this.hasCoordinates) {
      this.$x.val(Math.round(x));
      this.$y.val(Math.round(y));
    }
  };

  /**
   * Create coordinates in context menu
   */
  ContextMenu.prototype.addDimensions = function () {
    var self = this;

    self.$dimensions = $('<div/>', {
      'class': 'h5p-dragnbar-dimensions'
    });

    // Add label
    $('<div/>', {
      'class': 'h5p-dragnbar-label',
      appendTo: self.$dimensions,
      text: H5PEditor.t('H5P.DragNBar', 'sizeLabel')
    });

    var updateDimensions = function (type) {
      var target = parseFloat(this.value);

      if (isNaN(target)) {
        return;
      }

      // Get element
      var $element = self.dnbElement.getElement();

      // Determine min&max values
      var min = H5P.DragNResize.MIN_SIZE;
      var containerSize = parseFloat(window.getComputedStyle(self.dnb.$container[0])[type]);
      var elementStyle = window.getComputedStyle($element[0]);
      var max = containerSize - parseFloat(elementStyle[type === 'width' ? 'left' : 'top']);

      if (target < min) {
        target = min;
      }
      if (target > max) {
        target = max;
      }

      // Set input field value
      self['$' + type].val(Math.round(target));

      // Remove any height padding before updating element
      var padding = $element[0].getBoundingClientRect()[type] - parseFloat(elementStyle[type]);
      target -= padding;

      $element.css(type, (target / (containerSize / 100)) + '%');

      var eventData = {};
      eventData[type] = target / self.dnb.dnr.containerEm;
      self.dnb.dnr.trigger('stoppedResizing', eventData);
    };

    // Add input for width
    self.$width = self.getNewInput('width', H5PEditor.t('H5P.DragNBar', 'widthLabel'), self.$dimensions, updateDimensions, self.directionLock === 'vertical');

    $('<span/>', {
      'class': 'h5p-dragnbar-dimensions-separator',
      text: '×',
      appendTo: self.$dimensions
    });

    self.$height = self.getNewInput('height', H5PEditor.t('H5P.DragNBar', 'heightLabel'), self.$dimensions, updateDimensions, self.directionLock === 'horizontal');

    self.dnb.dnr.on('moveResizing', function () {
      self.updateDimensions();
    });

    self.$dimensions.appendTo(self.$transformPanel);
  };

  /**
   * Add transform functionality
   *
   * @param [enableTransform]
   */
  ContextMenu.prototype.addTransform = function (enableTransform) {
    var self = this;
    var transformButtonObject = {name: 'Transform', label: H5PEditor.t('H5P.DragNBar', 'transformLabel')};
    var $transformButtonWrapper = $('<div>', {
      'class': 'h5p-transform-button-wrapper'
    });

    // Attach button
    if (enableTransform) {
      self.createButton(transformButtonObject)
        .appendTo($transformButtonWrapper);
    }

    self.$transformButtonWrapper = $transformButtonWrapper;
    return $transformButtonWrapper;
  };

  /**
   * Updates the values in the input fields for width and height.
   */
  ContextMenu.prototype.updateDimensions = function () {
    var self = this;
    var $element = self.dnbElement.getElement();
    var elementSize = window.getComputedStyle($element[0]);

    // Re-add any padding removed while updating size
    var paddingX = $element[0].getBoundingClientRect()['width'] - parseFloat(elementSize['width']);
    var paddingY = $element[0].getBoundingClientRect()['height'] - parseFloat(elementSize['height']);

    self.$width.val(Math.round(parseFloat(elementSize.width) + paddingX));
    self.$height.val(Math.round(parseFloat(elementSize.height) + paddingY));
  };

  /**
   * Creates a new input field for modifying an element property.
   *
   * @param {string} type
   * @param {string} label
   * @param {H5P.jQuery} $container
   * @param {function} handler
   * @param {boolean} disabled
   * @returns {H5P.jQuery}
   */
  ContextMenu.prototype.getNewInput = function (type, label, $container, handler, disabled) {
    // Wrap input element with label (implicit labeling)
    var $wrapper = $('<div/>', {
      'class': 'h5p-dragnbar-input h5p-dragnbar-' + type,
      'aria-label': label,
      appendTo: $container
    });

    // Create input field
    var $input = $('<input/>', {
      maxLength: 5,
      disabled: disabled === true,
      on: {
        change: function () {
          handler.call(this, type);
        },
        keydown: function (event) {
          if (event.which === 13) { // Enter key
            handler.call(this, type);
            $input.focus().select();
          }
          else if (event.which === 38 || event.which === 40) { // Up key
            // Increase or decrease the number by using the arrows keys
            var currentValue = parseFloat($input.val());
            if (!isNaN(currentValue)) {
              $input.val(currentValue + (event.which === 38 ? 1 : -1));
              handler.call(this, type);
            }
          }
        },
        keyup: function (event) {
          if (event.which === 38 || event.which === 40) { // Up or Down key
            $input.select(); // Select again
          }
        },
        click: function () {
          $input.select();
        }
      },
      appendTo: $wrapper
    });
    return $input;
  };

  /**
   * Create button and add it to buttons bar
   * @param {object} button
   */
  ContextMenu.prototype.addToMenu = function (button) {
    var self = this;

    self.createButton(button).appendTo(this.$buttons);
  };

  /**
   * Create button
   *
   * @param button
   * @param {string} button.name
   * @param {string} button.label
   *
   * @returns {H5P.jQuery}
   */
  ContextMenu.prototype.createButton = function (button) {
    var self = this;

    var $newButton = $('<div>', {
      'class': 'h5p-dragnbar-context-menu-button ' + button.name.toLowerCase(),
      'role': 'button',
      'tabindex': 0,
      'aria-label': button.label
    }).click(function () {
      self.dnb.pressed = true;
      self.trigger('contextMenu' + button.name, {button: button.name});
    }).keydown(function (e) {
      var keyPressed = e.which;
      // 32 - space
      if (keyPressed === 32) {
        $(this).click();
      }
    });

    return $newButton;
  };

  /**
   * Remove button from context menu
   * @param {String} buttonName
   */
  ContextMenu.prototype.removeFromMenu = function (buttonName) {
    var $removeButton = this.$buttons.children('.h5p-context-menu-button-' + buttonName);
    $removeButton.remove();
  };

  /**
   * Update context menu with current buttons. Useful when having added or removed buttons.
   */
  ContextMenu.prototype.updateContextMenu = function () {
    var self = this;

    // Clear context menu
    this.$buttons.children().remove();

    // Check if transform button should be enabled
    var enableTransform = false;

    // Add coordinates
    if (this.hasCoordinates) {
      this.addCoordinates();
      enableTransform = true;
    }

    // Add dimensions
    if (this.canResize) {
      this.addDimensions();
      enableTransform = true;
    }

    // Add menu elements
    this.buttons.forEach(function (button) {
      self.addToMenu(button);
    });

    // Add transform button
    this.addTransform(enableTransform)
      .appendTo(this.$contextMenu);

    this.$buttons.appendTo(this.$contextMenu);
    this.$transformPanel.appendTo(this.$contextMenu);
  };

  /**
   * Add button and update context menu.
   * @param {String} name
   * @param {String} label
   */
  ContextMenu.prototype.addButton = function (name, label) {
    this.buttons.push({name:name, label:label});
    this.updateContextMenu();
  };

  /**
   * Remove button from context menu
   * @param {string} name
   */
  ContextMenu.prototype.removeButton = function (name) {
    var self = this;

    // Check if button exists
    self.buttons.forEach(function (button, index) {
      if (button.name === name) {
        self.buttons.splice(index, 1);
        return;
      }
    });

    this.updateContextMenu();
  };

  /**
   * Toggle buttons visibility
   *
   * @param [showButtons] Show buttons
   */
  ContextMenu.prototype.toggleButtonsBar = function (showButtons) {
    var self = this;

    if (showButtons !== undefined) {
      self.$buttons.toggleClass('hide', !showButtons);
    }
    else {
      self.$buttons.toggleClass('hide');
    }
  };

  /**
   * Toggle transform panel visibility.
   *
   * @param [showTransformPanel] Show transform panel
   */
  ContextMenu.prototype.toggleTransformPanel = function (showTransformPanel) {
    var self = this;

    if (showTransformPanel !== undefined) {
      self.$transformPanel.toggleClass('hide', !showTransformPanel);
    }
    else {
      self.$transformPanel.toggleClass('hide');
    }
  };

  /**
   * Toggle if coordinates should show
   * @param {Boolean} [enableCoordinates] Enable coordinates
   */
  ContextMenu.prototype.toggleCoordinates = function (enableCoordinates) {
    if (enableCoordinates === undefined) {
      this.hasCoordinates = !this.hasCoordinates;
    }
    else {
      this.hasCoordinates = !!enableCoordinates;
    }

    this.updateContextMenu();
  };

  /**
   * Attach context menu to body.
   */
  ContextMenu.prototype.attach = function () {
    this.$contextMenu.appendTo(this.$parent);
  };

  /**
   * Detach context menu from DOM.
   */
  ContextMenu.prototype.detach = function () {
    this.$contextMenu.detach();
  };

  return ContextMenu;

})(H5P.jQuery, H5P.EventDispatcher);
;
/*global H5P*/
H5P.DragNBarDialog = (function ($, EventDispatcher) {

  /**
   * Controls the dialog in the interactive video.
   *
   * @class
   * @param {H5P.jQuery} $container for dialog
   * @param {H5P.jQuery} $videoWrapper needed for positioning of dialog
   */
  function Dialog($container, $videoWrapper) {
    var KEY_CODE_ESC = 27;
    var KEY_CODE_ENTER = 13;
    var KEY_CODE_SPACE = 32;

    var self = this;
    var titleId = 'dialog-title-' + H5P.createUUID();

    // Initialize event inheritance
    EventDispatcher.call(self);

    /**
     * Stops propagating an event
     *
     * @param {Event} event
     */
    var stopEventPropagation = function (event) {
      // k is used to stop and start an interactive video
      if (event.which === 75) {
        event.stopPropagation();
      }
    };

    // Create DOM elements for dialog
    var $wrapper = $('<div/>', {
      'class': 'h5p-dialog-wrapper h5p-ie-transparent-background h5p-hidden',
      on: {
        click: function () {
          if (!self.disableOverlay)  {
            self.close();
          }
        },
        keyup: stopEventPropagation,
        keydown: stopEventPropagation
      }
    });
    var $dialog = $('<div/>', {
      'class': 'h5p-dialog h5p-big',
      'aria-labelledby': titleId,
      on: {
        click: function (event) {
          event.stopPropagation();
        },
        keydown: function (event) {
          var isClosable = $close.is(':visible');
          if (event.which === KEY_CODE_ESC && isClosable) {
            self.close();
          }
        }
      }
    }).appendTo($wrapper);

    // Create title bar
    var $titleBar = $('<div/>', {
      'class': 'h5p-dialog-titlebar',
      appendTo: $dialog
    });
    var $title = $('<div/>', {
      'class': 'h5p-dialog-title',
      id: titleId,
      appendTo: $titleBar
    });
    var $close = $('<div/>', {
      'role': 'button',
      'class': 'h5p-dialog-close',
      tabindex: '0',
      title: H5P.t('close'),
      'aria-label': H5P.t('close'),
      on: {
        click: function (event) {
          if (event.which === 1) {
            self.close();
          }
        },
        keypress: function (event) {
          if (event.which === KEY_CODE_SPACE || event.which === KEY_CODE_ENTER) {
            self.close();
            event.preventDefault();
          }
        }
      },
      appendTo: $titleBar
    });

    // Used instead of close
    var $customButtons;

    // Create inner DOM elements for dialog
    var $inner = $('<div/>', {
      'class': 'h5p-dialog-inner'
    }).appendTo($dialog);

    // Add all to DOM
    $wrapper.appendTo($container);

    /**
     * Reset the dialog's positioning
     *
     * @private
     */
    var resetPosition = function () {
      // Reset positioning
      $dialog.css({
        left: '',
        top: '',
        height: '',
        width: '',
        fontSize: '',
        bottom: ''
      });
      $inner.css({
        width: '',
        height: '',
        overflow: ''
      });
    };

    /**
     * Display overlay.
     *
     * @private
     * @param {function} next callback
     */
    var showOverlay = function (next) {
      $wrapper.show();
      setTimeout(function () {
        // Remove class on next tick to ensure css animation
        $wrapper.removeClass('h5p-hidden');
        if (next) {
          next();
        }
      }, 0);
    };

    /**
     * Close overlay.
     *
     * @private
     * @param {function} next callback
     */
    var hideOverlay = function (next) {
      $wrapper.addClass('h5p-hidden');
      setTimeout(function () {
        // Hide when animation is done
        $wrapper.hide();
        if (next) {
          next();
        }
      }, 200);
    };

    /**
     * Opens a new dialog. Displays the given element.
     *
     * @param {H5P.jQuery} $element
     * @param {string} [title] Label for the dialog
     * @param {string} [classes] For styling
     * @param {H5P.jQuery} [$buttons] Use custom buttons for dialog
     */
    self.open = function ($element, title, classes, $buttons) {
      showOverlay();
      $inner.children().detach().end().append($element);

      // Reset positioning
      resetPosition();
      $dialog.addClass('h5p-big');
      $title.attr('class', 'h5p-dialog-title' + (classes ? ' ' + classes : ''));

      // Add label
      if (!title) {
        title = '';
      }
      $title.html(title);

      // Clean up after previous custom buttons
      if ($customButtons) {
        $customButtons.remove();
        $close.show();
      }

      // Add new custom buttons
      if ($buttons) {
        $customButtons = $buttons;

        // Hide default close button
        $close.hide();

        // Add custom buttons
        $buttons.appendTo($titleBar);
      }

      self.resize();

      self.trigger('open');

      $dialog.one('transitionend', function() {
        // Find visible enabled inputs:
        var $inputs = $inner.find('input:visible:not(:disabled)');
        var $tabbables = $inner.find('[tabindex]');

        // Prioritize the focusing of inputs before other elements
        if ($inputs.length) {
          $inputs.get(0).focus();
        }
        // If other tabbables exist like h5p-text, focus on them
        else if ($tabbables.length) {
          $tabbables.get(0).focus();
        }
      });
    };

    self.resize = function () {
      if (!$dialog.hasClass('h5p-big')) {
        return;
      }

      var fontSize = toNum($inner.css('fontSize'));
      var titleBarHeight = ($titleBar.outerHeight() / fontSize);

      // Same as height
      var maxHeight = $container.height();
      // minus dialog margins
      maxHeight -= Number($dialog.css('top').replace('px', '')) * 2;

      $inner.css({
        width: '100%',
        maxHeight: ((maxHeight / fontSize) - titleBarHeight) + 'em',
        marginTop: titleBarHeight + 'em'
      });
      $dialog.css({
        bottom: 'auto',
        maxHeight: ''
      });
    };

    /**
     * Adds a name to the dialog for identifying what it contains.
     *
     * @param {string} machineName Name of library inside dialog.
     */
    self.addLibraryClass = function (machineName) {
      $dialog.attr('data-lib', machineName);
    };

    /**
     * Toggle class on the dialog Dom element
     * @method toggleClass
     * @param  {String}    cls    Classname
     * @param  {Boolean}   toggle
     */
    self.toggleClass = function (cls, toggle) {
      $dialog.toggleClass(cls, toggle);
    };

    self.isOpen = function () {
      return $wrapper.is(':visible');
    };

    /**
     * Reposition the currently open dialog relative to the given button.
     *
     * @param {H5P.jQuery} $button
     * @param {Object} [size] Sets a size for the dialog, useful for images.
     * @param {string|boolean} [type] Type of dialog. Possible values are
     * 'medium' and 'big'. It also supports an older version of the function,
     * i.e: type = true means 'medium'
     */
    self.position = function ($button, size, type) {
      // Still support old version of this function
      if (type === true) {
        type = 'medium';
      }

      resetPosition();
      $dialog.removeClass('h5p-big h5p-medium');
      var titleBarHeight = Number($inner[0].style.marginTop.replace('em', ''));

      // Use a fixed size
      if (size) {
        var fontSizeRatio = 16 / toNum($container.css('fontSize'));

        // Fixed width
        if (size.width) {
          size.width = (size.width * fontSizeRatio);
          $dialog.css('width', size.width + 'em');
        }

        // Fixed height
        if (size.height) {
          size.height = (size.height * fontSizeRatio) + titleBarHeight;
          $dialog.css('height', size.height + 'em');

          $inner.css({
            width: 'auto',
            overflow: 'hidden'
          });
        }
      }

      if (type === 'medium') {
        $dialog.addClass('h5p-medium');
      }

      if (type === 'big') {
        $dialog.addClass('h5p-big');
        $dialog.addClass('h5p-stretch');
      }

      var buttonWidth = $button.outerWidth(true);
      var buttonPosition = $button.position();
      var containerWidth = $container.width();
      var containerHeight = $container.height();

      // Position dialog horizontally
      var left = buttonPosition.left;
      var dialogWidth = $dialog.outerWidth(true);
      if (type === 'medium' && dialogWidth > containerWidth) {
        // If dialog is too big to fit within the container, display as h5p-big instead.
        // Only medium dialogs can become big
        $dialog.addClass('h5p-big');
        return;
      }

      if (buttonPosition.left > (containerWidth / 2) - (buttonWidth / 2)) {
        // Show on left
        left -= dialogWidth - buttonWidth;
      }

      // Make sure the dialog is within the video on the right.
      if ((left + dialogWidth) > containerWidth) {
        left = containerWidth - dialogWidth;
      }

      var marginLeft = parseInt($videoWrapper.css('marginLeft'));
      if (isNaN(marginLeft)) {
        marginLeft = 0;
      }

      // And finally, make sure we're within bounds on the left hand side too...
      if (left < marginLeft) {
        left = marginLeft;
      }

      // Position dialog vertically
      var marginTop = parseInt($videoWrapper.css('marginTop'));
      if (isNaN(marginTop)) {
        marginTop = 0;
      }

      // Set dialog size for dialogs which aren't stretched
      if (type !== 'big') {
        var top = (type === 'medium' ? 0 : (buttonPosition.top + marginTop));
        var totalHeight = top + $dialog.outerHeight(true);
        if (totalHeight > containerHeight) {
          top -= totalHeight - containerHeight;
        }
        var maxHeight = $container.height() - top + $dialog.height() - $dialog.outerHeight(true);
        var fontSize = toNum($container.css('fontSize'));

        $dialog.css({
          top: (top / (containerHeight / 100)) + '%',
          left: (left / (containerWidth / 100)) + '%',
          width: (window.getComputedStyle($dialog[0]).width / fontSize) + 'em',
          maxHeight: (maxHeight / fontSize) + 'em'
        });
        $inner.css('maxHeight', ((maxHeight - $titleBar.outerHeight(true)) / fontSize) + 'em');
      }
    };

    /**
     * Find max available space inside dialog when positioning relative to
     * given button.
     *
     * @param {H5P.jQuery} $button
     * @param {Boolean} fullScreen True if dialog fills whole parent
     * @returns {Object} Attrs: width, height
     */
    self.getMaxSize = function ($button, fullScreen) {
      var buttonWidth = $button.outerWidth(true);
      var buttonPosition = $button.position();
      var containerWidth = $container.width();

      var max = {};
      max.height = Number($inner.css('maxHeight').replace('px', ''));

      // If border, extract that:
      max.height -= Number($inner.css('border-width').replace('px', '')) * 2;

      if (fullScreen) {
        max.width = containerWidth;
      }
      else {
        if (buttonPosition.left > (containerWidth / 2) - (buttonWidth / 2)) {
          // Space to the left of the button minus margin
          max.width = buttonPosition.left;
        }
        else {
          // Space to the right of the button minus margin
          max.width = (containerWidth - buttonPosition.left - buttonWidth);
        }
      }

      // Use em
      var fontSize = toNum($container.css('fontSize'));
      max.width = (max.width / fontSize) * (fontSize / 16);
      max.height = (max.height / fontSize) * (fontSize / 16);

      return max;
    };

    /**
     * Scroll to given position in current dialog.
     *
     * @param {number} to Scroll position
     * @param {number} ms Time the animation takes.
     */
    self.scroll = function (to, ms) {
      $inner.stop().animate({
        scrollTop: to
      }, ms);
    };

    /**
     * Close the currently open dialog.
     */
    self.close = function (closeInstant) {
      $wrapper.addClass('h5p-hidden');

      if (closeInstant) {
        $wrapper.hide();
        self.disableOverlay = false;
        $close.show();
      }
      else {
        setTimeout(function () {
          $wrapper.hide();
          self.disableOverlay = false;
          $close.show();
        }, 201);
      }

      self.trigger('close');

      // Let others reach to the hiding of this dialog
      self.trigger('domHidden', {
        '$dom': $wrapper,
        'key': 'dialogClosed'
      }, {'bubbles': true, 'external': true});
    };

    /**
     * Open overlay only.
     */
    self.openOverlay = function () {
      self.disableOverlay = true;
      $dialog.hide();
      showOverlay();
    };

    /**
     * Close overlay only.
     */
    self.closeOverlay = function () {
      $wrapper.addClass('h5p-hidden');
      hideOverlay(function () {
        $dialog.show();
        self.disableOverlay = false;
      });
    };

    /**
     * Removes the close button from the current dialog.
     */
    self.hideCloseButton = function () {
      $close.hide();
    };

    /**
     * Get width of dialog
     * @returns {Number} Width of dialog
     */
    self.getDialogWidth = function () {
      return $dialog.width();
    };

    /**
     * Reset dialog width
     */
    self.removeStaticWidth = function () {
      $dialog.css('width', '');
    };
  }

  // Extends the event dispatcher
  Dialog.prototype = Object.create(EventDispatcher.prototype);
  Dialog.prototype.constructor = Dialog;


  /**
   * Converts css px value to number.
   *
   * @private
   * @param {string} num
   * @returns {Number}
   */
  var toNum = function (num) {
    return Number(num.replace('px',''));
  };

  return Dialog;
})(H5P.jQuery, H5P.EventDispatcher);
;
/*global H5P*/

/**
 * Create Drag N Bar Element. Connects a DragNBar element to a context menu
 */
H5P.DragNBarElement = (function ($, ContextMenu, EventDispatcher) {

  /**
   * Constructor DragNBarElement
   *
   * @class
   * @param {H5P.DragNBar} dragNBar Parent dragNBar toolbar
   * @param {object} [clipboardData]
   * @param {Object} [options] Button object that the element is created from
   * @param {Boolean} [options.disableContextMenu] Decides if element should have editor functionality
   * @param {Function} [options.createElement] Function for creating element from button
   * @param {Function} [options.disableCopy] Copy button disabled or enabled?
   * @param {boolean} [options.hasCoordinates] Decides if element will display coordinates
   * @param {H5P.jQuery} [options.element] Element
   */
  function DragNBarElement(dragNBar, clipboardData, options) {
    var self = this;
    EventDispatcher.call(this);

    this.dnb = dragNBar;
    this.options = options || {};
    if (!this.options.disableContextMenu) {
      this.contextMenu = new ContextMenu(this.dnb.$dialogContainer, this, this.options.hasCoordinates, this.options.disableResize, this.options.disableCopy, this.options.directionLock);
    }
    this.focused = false;

    if (this.options.createElement) {
      this.$element = this.options.createElement().appendTo(dragNBar.$container);
      this.focus();
    }
    else {
      this.$element = this.options.element;
    }

    // Let dnb know element has been pressed
    if (this.$element) {
      if (this.dnb.isEditor) {
        this.$element.mousedown(function () {
          self.dnb.pressed = true;
        });
      }

      // Run custom focus function on element focus
      this.$element.focus(function () {
        self.focus();
      });
    }

    /**
     * Store element paramets in the local storage.
     */
    self.toClipboard = function (width, height) {
      if (clipboardData && localStorage) {
        clipboardData.width = width;
        clipboardData.height = height;
        H5P.setClipboard(clipboardData);
      }
    };
  }

  // Inheritance
  DragNBarElement.prototype = Object.create(EventDispatcher.prototype);
  DragNBarElement.prototype.constructor = DragNBarElement;

  /**
   * Add button to context menu.
   *
   * @param {string} name
   * @param {string} label
   */
  DragNBarElement.prototype.addButton = function (name, label) {
    this.contextMenu.addToMenu({name:name, label:label});
  };

  /**
   * Get element
   * @returns {H5P.jQuery}
   */
  DragNBarElement.prototype.getElement = function () {
    return this.$element;
  };

  /**
   * Set element
   * @param {H5P.jQuery} $element
   */
  DragNBarElement.prototype.setElement = function ($element) {
    var self = this;
    this.$element = $element;

    // Register custom focus function on new element focus
    this.$element.focus(function () {
      self.focus();
    });
  };

  /**
   * Show context menu
   */
  DragNBarElement.prototype.showContextMenu = function () {
    if (this.contextMenu) {
      this.contextMenu.attach();
    }
  };

  /**
   * Hide context menu
   */
  DragNBarElement.prototype.hideContextMenu = function () {
    if (this.contextMenu) {
      this.contextMenu.detach();
    }
  };

  /**
   * Update coordinates in context menu to current location
   *
   * @param {Number} left Left position of context menu
   * @param {Number} top Top position of context menu
   * @param {Number} x X coordinate of context menu
   * @param {Number} y Y coordinate of context menu
   */
  DragNBarElement.prototype.updateCoordinates = function (left, top, x, y) {
    if (this.contextMenu) {
      this.contextMenu.updateCoordinates(left, top, x, y);
      this.resizeContextMenu(x);
    }
  };

  /**
   * Float context menu left if width exceeds parent container.
   *
   * @param {Number} [left] Left position of context menu.
   */
  DragNBarElement.prototype.resizeContextMenu = function (left) {
    if (this.options.disableContextMenu) {
      return;
    }

    // Need to take into account the left padding of the contextmenu's parent
    var paddingLeft = Number(this.contextMenu.$parent.css('padding-left').replace('px', ''));
    left = (left || this.$element.position().left) + paddingLeft;
    var containerWidth = this.dnb.$container.width();
    var $cm = this.contextMenu.$contextMenu;

    // Measure full outer width
    $cm.css({
      position: 'absolute',
      left: 0
    });
    var contextMenuWidth = $cm.outerWidth(true);

    // Reset to default
    $cm.css({
      position: '',
      left: left
    });

    var isTooWide = left + contextMenuWidth >= containerWidth;

    if (isTooWide) {
      var newLeft = left - contextMenuWidth;
      this.contextMenu.$contextMenu.css('left', newLeft + 'px');
      this.contextMenu.$contextMenu.addClass('left-aligned');
    }
    else {
      this.contextMenu.$contextMenu.removeClass('left-aligned');
    }
  };

  /**
   * Blur element and hide context menu.
   */
  DragNBarElement.prototype.blur = function () {
    if (this.$element) {
      this.$element.removeClass('focused');
      this.focused = false;

      if (!this.options.disableContextMenu) {
        // Hide transform panel
        this.contextMenu.trigger('contextMenuTransform', {showTransformPanel: false});
      }
    }
    this.hideContextMenu();
  };

  /**
   * Focus element
   */
  DragNBarElement.prototype.focus = function () {
    this.$element.addClass('focused');
    this.focused = true;
    if (this.contextMenu) {
      this.resizeContextMenu(this.$element.position().left);
    }
  };

  /**
   * Remove element and hide context menu
   */
  DragNBarElement.prototype.removeElement = function () {
    this.$element.detach();
    this.hideContextMenu();
  };

  return DragNBarElement;

})(H5P.jQuery, H5P.DragNBarContextMenu, H5P.EventDispatcher);
;
(function (DragNBar, EventDispatcher) {

  /**
   * Allows different forms to be places on top of each other instead of
   * in a dialog.
   *
   * @class H5P.DragNBar.FormManager
   * @extends H5P.EventDispatcher
   * @param {*} parent
   * @param {Object} l10n
   */
  DragNBar.FormManager = function (parent, l10n, customIconClass) {
    /** @alias H5P.DragNBar.FormManager# */
    var self = this;

    // Initialize event inheritance
    EventDispatcher.call(self);

    const formTargets = [self];
    let head, footer, subForm, titles, handleTransitionend, proceedButton, breadcrumbButton, alwaysShowButtons;

    /**
     * Initialize the FormManager.
     * Create frame breadcrumbs, and fullscreen button.
     *
     * @private
     */
    const initialize = function () {
      self.isMainLibrary = !(parent instanceof H5PEditor.Library)

      // Locate target container
      self.formContainer = (self.isMainLibrary ? parent.$form : parent.$libraryWrapper)[0];
      self.formContainer.classList.add('form-manager');
      self.formContainer.classList.add('root-form');

      head = document.createElement('div');
      head.classList.add('form-manager-head');
      footer = document.createElement('div');
      footer.classList.add('form-manager-head');
      footer.classList.add('form-manager-footer');
      self.footer = footer;

      // Create button to toggle preivous menu on narrow layouts
      breadcrumbButton = createButton('breadcrumb-menu', l10n.expandBreadcrumbButtonLabel, self.toggleBreadcrumbMenu);
      breadcrumbButton.classList.add('form-manager-disabled');
      head.appendChild(breadcrumbButton);

      // Create breadcrumb menu to use when the layout is too narrow for the regular breadcrumb
      self.formBreadcrumbMenu = document.createElement('div');
      self.formBreadcrumbMenu.classList.add('form-manager-breadcrumb-menulist');
      head.appendChild(self.formBreadcrumbMenu);

      // Create breadcrumb wrapper
      self.formBreadcrumb = document.createElement('div');
      self.formBreadcrumb.classList.add('form-manager-breadcrumb');
      head.appendChild(self.formBreadcrumb);

      // Create the first part of the breadcrumb
      const titles = createTitles(parent);
      titles.breadcrumb.classList.add('form-manager-comein');
      self.formBreadcrumb.appendChild(titles.breadcrumb);
      self.formBreadcrumbMenu.appendChild(titles.menu);

      // Create 'Proceed to save' button
      proceedButton = createButton('proceed', H5PEditor.t('core', 'proceedButtonLabel'), function () {
        if (manager.exitSemiFullscreen) {
          // Trigger semi-fullscreen exit
          manager.exitSemiFullscreen();
          manager.exitSemiFullscreen = null;
        }
      });
      hideElement(proceedButton);
      head.appendChild(proceedButton);

      // Create a container for the action buttons
      self.formButtons = document.createElement('div');
      self.formButtons.classList.add('form-manager-buttons');
      self.footerFormButtons = document.createElement('div');
      self.footerFormButtons.classList.add('form-manager-buttons');
      hideElement(self.footerFormButtons);
      hideElement(self.formButtons); // Buttons are hidden by default
      footer.appendChild(self.footerFormButtons);
      head.appendChild(self.formButtons);

      // Create 'Delete' button
      self.formButtons.appendChild(createButton('delete', l10n.deleteButtonLabel, function () {
        const e = new H5P.Event('formremove');
        e.data = formTargets.length;
        formTargets[formTargets.length - 1].trigger(e);
        if (!e.preventRemove && formTargets.length > 1) {
          closeForm();
        }
      }));

      // Create 'Done' button
      self.formButtons.appendChild(createButton('done', l10n.doneButtonLabel, function () {
        formTargets[formTargets.length - 1].trigger('formdone', formTargets.length);
        if (formTargets.length > 1) {
          closeForm();
        }
      }));

      // Footer form buttons
      self.footerFormButtons.appendChild(createButton('done', l10n.doneButtonLabel, function () {
        formTargets[formTargets.length - 1].trigger('formdone', formTargets.length);
        if (formTargets.length > 1) {
          closeForm();
        }
      }));

      self.footerFormButtons.appendChild(createButton('delete', l10n.deleteButtonLabel, function () {
        const e = new H5P.Event('formremove');
        e.data = formTargets.length;
        formTargets[formTargets.length - 1].trigger(e);
        if (!e.preventRemove && formTargets.length > 1) {
          closeForm();
        }
      }));

      // Check if we should add the fullscreen button
      if (self.isMainLibrary && H5PEditor.semiFullscreen !== undefined) {
        // Create and insert fullscreen button into header
        const fullscreenButton = createButton('fullscreen', '', function () {
          if (manager.exitSemiFullscreen) {
            // Trigger semi-fullscreen exit
            manager.exitSemiFullscreen();
          }
          else {
            // Trigger semi-fullscreen enter
            manager.exitSemiFullscreen = H5PEditor.semiFullscreen([manager.formContainer], function () {
              if (!subForm) {
                showElement(proceedButton);
              }
              toggleFullscreenButtonState(fullscreenButton, true);
              self.trigger('formentersemifullscreen');
            }, function () {
              manager.exitSemiFullscreen = null;
              if (!subForm) {
                hideElement(proceedButton);
              }
              toggleFullscreenButtonState(fullscreenButton);
              self.trigger('formexitsemifullscreen');
            });
          }
        });
        toggleFullscreenButtonState(fullscreenButton);
        head.appendChild(fullscreenButton);
      }

      window.addEventListener('resize', self.updateFormResponsiveness);
      // Always clean up on remove
      self.on('remove', function () {
        window.removeEventListener('resize', self.updateFormResponsiveness);
      });

      const overlay = document.createElement('div');
      overlay.classList.add('form-mananger-overlay');
      self.formContainer.insertBefore(overlay, self.formContainer.firstChild);

      // Insert everything in the top of the form DOM
      self.formContainer.insertBefore(head, self.formContainer.firstChild);
      hideElement(footer);
      self.formContainer.appendChild(manager.footer);


      // Always clean up on remove
      self.on('validate', function () {
        if (parent.metadata && (!parent.metadata.title || !H5P.trim(parent.metadata.title))) {
          // We are trying to save the form without a title
          self.closeFormUntil(0);
        }
      });
    };

    /**
     * Helper for creating buttons.
     *
     * @private
     * @param {string} id
     * @param {string} text
     * @param {function} clickHandler
     * @return {Element}
     */
    const createButton = function (id, text, clickHandler) {
      const button = document.createElement('button');
      button.setAttribute('type', 'button');
      button.classList.add('form-manager-button');
      button.classList.add('form-manager-' + id);
      button.setAttribute('aria-label', text);
      button.addEventListener('click', clickHandler);

      // Create special inner filler to avoid focus from pointer devices.
      const content = document.createElement('span');
      content.classList.add('form-manager-button-inner');
      content.innerText = text
      content.tabIndex = -1;
      button.appendChild(content);

      return button;
    };

    /**
     * Create two titles, one for the breadcrumb and for the expanded
     * breadcrumb menu used for narrow layouts.
     *
     * @private
     * @param {H5PEditor.Library} libraryField
     * @return {Element[]}
     */
    const createTitles = function (libraryField, customTitle, customIconId) {

      const library = (libraryField.params && libraryField.params.library) ? libraryField.params.library : (libraryField.currentLibrary ? libraryField.currentLibrary : undefined);

      // Create breadcrumb section.
      const title = document.createElement('div');
      title.classList.add('form-manager-title');

      // Create breadcrumb section.
      const menuTitle = document.createElement('div');
      menuTitle.classList.add('form-manager-menutitle');
      menuTitle.tabIndex = '0';
      menuTitle.addEventListener('click', function () {
        handleBreadcrumbClick.call(title);
      });
      menuTitle.addEventListener('keypress', function (e) {
        handleBreadcrumbKeypress.call(title, e);
      });

      // For limiting the length of the menu title
      const menuTitleText = document.createElement('span');
      menuTitleText.classList.add('form-manager-menutitle-text');
      menuTitle.appendChild(menuTitleText);

      // Create a tooltip that can be display the whole text on hover
      const menuTitleTooltip = document.createElement('span');
      menuTitleTooltip.classList.add('form-manager-tooltip');
      menuTitle.appendChild(menuTitleTooltip);

      // Create a text wrapper so we can limit max-width on the text
      const textWrapper = document.createElement('span');
      textWrapper.classList.add('truncatable-text');
      textWrapper.tabIndex = -1;
      title.appendChild(textWrapper);

      // Create a tooltip that can display the whole text on hover
      const tooltip = document.createElement('span');
      tooltip.classList.add('form-manager-tooltip');
      title.appendChild(tooltip);

      /**
       * @private
       * @param {string} title WARNING: This is Text do not use as HTML.
       */
      const setTitle = function (title) {
        textWrapper.innerText = menuTitleText.innerText = tooltip.innerText = menuTitleTooltip.innerText = title;
      };

      /**
       * @private
       * @return {string} WARNING: This is Text do not use as HTML.
       */
      const getTitle = function () {
        if (customTitle) {
          return customTitle;
        }
        else if (libraryField.params && libraryField.params.metadata && libraryField.params.metadata.title &&
            libraryField.params.metadata.title.substr(0, 8) !== 'Untitled' ||
            libraryField.metadata && libraryField.metadata.title &&
            libraryField.metadata.title.substr(0, 8) !== 'Untitled') {
          return getText(libraryField.metadata ? libraryField.metadata.title : libraryField.params.metadata.title);
        }
        else {
          if (libraryField.$select !== undefined) {
            return libraryField.$select.children(':selected').text();
          }
          else {
            return H5PEditor.libraryCache[library].title;
          }
        }
      };

      // Set correct starting title
      setTitle(getTitle());

      /**
       * Help listen for title changes after library has been fully loaded
       * @private
       */
      const listenForTitleChanges = function () {
        if (libraryField.metadataForm) {
          libraryField.metadataForm.on('titlechange', function (e) {
            // Handle changes to the metadata title
            setTitle(getTitle());
            manager.updateFormResponsiveness();
          });
        }

        if (textWrapper.innerText === 'Loading...') {
          // Correct title was not set initally, try again after library load
          setTitle(getTitle());
          manager.updateFormResponsiveness();
        }
      };

      // Listen for title updates
      if (libraryField.metadataForm === undefined && libraryField.change) {
        libraryField.change(listenForTitleChanges);
      }
      else {
        listenForTitleChanges();
      }

      const iconId = customIconId ? customIconId : library.split(' ')[0].split('.')[1].toLowerCase();
      title.classList.add('form-manager-icon-' + iconId);
      menuTitle.classList.add('form-manager-icon-' + iconId);
      if (customIconClass) {
        title.classList.add('form-manager-' + customIconClass);
        menuTitle.classList.add('form-manager-' + customIconClass);
      }

      return {
        breadcrumb: title,
        menu: menuTitle
      };
    };

    /**
     * Look through all parent ancestors to see if a manager already exists.
     *
     * @private
     * @param {*} parent
     * @return {DragNBar.FormManager}
     */
    const findExistingManager = function (parent) {
      if (parent instanceof DragNBar.FormManager) {
        return parent.getFormManager(); // Found our parent manager
      }
      if (parent.parent) {
        // Looks deeper
        return findExistingManager(parent.parent);
      }
      else {
        return self; // Use our self
      }
    };

    /**
     * Help hide an element.
     *
     * @param {Element} element
     * @private
     */
    const hideElement = function (element) {
      // Make sure element is hidden while still retaining its width without
      // expanding the container's height. This is due to some editors resizing
      // if their container changes size which leads to some funny transitions.
      // Also, having invisible height causes resize loops.
      element.classList.add('form-manager-hidden');
      element.setAttribute('aria-hidden', true);
    };

    /**
     * Help show a hidden element again
     *
     * @param {Element} element
     * @private
     */
    const showElement = function (element) {
      element.classList.remove('form-manager-hidden');
      element.removeAttribute('aria-hidden');
    };

    /**
     * Update fuillscreen button's attributes dependent on fullscreen or not
     *
     * @private
     * @param {Element} element The fullscreen button element
     * @param {boolean} isInFullscreen
     */
    const toggleFullscreenButtonState = function (element, isInFullscreen) {
      if (isInFullscreen) {
        // We are entering fullscreen mode
        element.setAttribute('aria-label', H5PEditor.t('core', 'exitFullscreenButtonLabel'));
        element.classList.add('form-manager-exit');
      }
      else {
        // We are exiting fullscreen mode
        element.setAttribute('aria-label', H5PEditor.t('core', 'enterFullscreenButtonLabel'));
        element.classList.remove('form-manager-exit');
      }
    };

    /**
     * Closes the current form.
     *
     * @private
     */
    const closeForm = function () {
      const activeManager = formTargets.pop();

      // Close any open CKEditors
      if (H5PEditor.Html) {
        H5PEditor.Html.removeWysiwyg();
      }

      // Let everyone know we're closing
      activeManager.trigger('formclose');

      // Locate open form and remove it from the manager
      const activeSubForm = activeManager.popForm();

      if (handleTransitionend) {
        // Cancel callback for form if not fully opened.
        activeSubForm.removeEventListener('transitionend', handleTransitionend);
        handleTransitionend = null;
      }

      // Find last part of breadcrumb and remove it from the manager
      const titles = activeManager.popTitles();

      // Remove menu title
      manager.formBreadcrumbMenu.removeChild(titles.menu);

      // The previous breadcrumb must no longer be clickable
      const previousBreadcrumb = titles.breadcrumb.previousSibling;
      previousBreadcrumb.removeEventListener('click', handleBreadcrumbClick);
      previousBreadcrumb.removeEventListener('keypress', handleBreadcrumbKeypress);
      previousBreadcrumb.classList.remove('clickable');
      previousBreadcrumb.removeAttribute('tabindex');

      const headHeight = manager.getFormHeadHeight();

      // Freeze container height to avoid jumping while showing elements
      manager.formContainer.style.height = (activeSubForm.getBoundingClientRect().height + headHeight) + 'px';

      // Make underlay visible again
      if (activeSubForm.previousSibling.classList.contains('form-manager-form')) {
        // This is not our last sub-form
        showElement(activeSubForm.previousSibling);
      }
      else {
        // Show bottom form
        for (let i = 1; i < manager.formContainer.children.length - 1; i++) {
          showElement(manager.formContainer.children[i]);
        }

        // No need for the buttons any more
        if (!alwaysShowButtons) {
          hideElement(manager.formButtons);
          manager.formButtons.classList.remove('form-manager-comein');

          // Hide footer
          manager.footerFormButtons.classList.remove('form-manager-comein');
          hideElement(manager.footerFormButtons);
          hideElement(manager.footer);
        }

        manager.formContainer.classList.add('root-form');
      }

      // Animation fix for fullscreen max-width limit.
      activeSubForm.style.marginLeft = window.getComputedStyle(activeSubForm).marginLeft

      // Make the sub-form animatable
      activeSubForm.classList.add('form-manager-movable');

      // Resume natural container height
      manager.formContainer.style.height = '';

      // Set sub-form height to cover container
      activeSubForm.style.height = (manager.formContainer.getBoundingClientRect().height - headHeight) + 'px';

      // Clean up when the final transition animation is finished
      onlyOnce(activeSubForm, 'transitionend', function () {
        // Remove from DOM
        manager.formContainer.removeChild(activeSubForm);
      });
      // Start the animation
      activeSubForm.classList.remove('form-manager-slidein');

      if (titles.breadcrumb.offsetWidth === 0) {
        // Remove last breadcrumb section in case it's hidden
        manager.formBreadcrumb.removeChild(titles.breadcrumb);
      }
      else {
        onlyOnce(titles.breadcrumb, 'transitionend', function () {
          // Remove last breadcrumb section
          manager.formBreadcrumb.removeChild(titles.breadcrumb);
        });
        // Start the animation
        titles.breadcrumb.classList.remove('form-manager-comein');
      }

      if (!subForm) {
        if (proceedButton && manager.exitSemiFullscreen) {
          // We are in fullscreen and closing sub-form, show proceed button
          showElement(proceedButton);
        }
        if (breadcrumbButton) {
          breadcrumbButton.classList.add('form-manager-disabled');
        }
      }
      if (self.formContainer.classList.contains('mobile-menu-open')) {
        self.toggleBreadcrumbMenu();
      }

      // Scroll parent manager header into view
      manager.formButtons.scrollIntoView();
    };

    /**
     * The breadcrumb click handler figures out how many forms to close.
     *
     * @private
     */
    const handleBreadcrumbClick = function () {
      for (let i = 0; i < manager.formBreadcrumb.children.length; i++) {
        if (manager.formBreadcrumb.children[i] === this) {
          manager.closeFormUntil(i);
          break;
        }
      }
    };

    /**
     * The breadcrumb click handler figures out how many forms to close.
     *
     * @private
     */
    const handleBreadcrumbKeypress = function (e) {
      if (e.which === 13 || e.which === 32) {
        handleBreadcrumbClick.call(this);
      }
    };

    /**
     * Close all forms until the given index.
     *
     * @param {number} index
     */
    self.closeFormUntil = function (index) {
      while (formTargets.length - 1 !== index) {
        formTargets[formTargets.length - 1].trigger('formdone');
        closeForm();
      }
    };

    /**
     * Retrieve the current form element and remove it from the manager.
     *
     * @return {Element}
     */
    self.popForm = function () {
      const sF = subForm;
      subForm = null;
      return sF;
    };

    /**
     * Retrieve the current title element and remove it from the manager.
     *
     * @return {Element}
     */
    self.popTitles = function () {
      const t = titles;
      titles = null;
      return t;
    };

    /**
     * Retrieve the active manager.
     *
     * @return {DragNBar.FormManager}
     */
    self.getFormManager = function () {
      return manager;
    };

    /**
     * Set the form manager to be used for the next button clicks.
     *
     * @param {DragNBar.FormManager} target
     */
    self.addFormTarget = function (target) {
      formTargets.push(target);
    };

    /**
     * Create a new sub-form and shows it.
     *
     * @param {H5PEditor.Library} libraryField
     * @param {Element} formElement
     */
    self.openForm = function (libraryField, formElement, customClass, customTitle, customIconId) {
      if (subForm) {
        return; // Prevent opening more than one sub-form at a time per editor.
      }

      // Tell manager that we should be receiving the next buttons events
      manager.formContainer.classList.remove('root-form');
      manager.addFormTarget(self);

      // Create the new sub-form
      subForm = document.createElement('div');
      subForm.classList.add('form-manager-form');
      subForm.classList.add('form-manager-movable');
      if (customClass) {
        subForm.classList.add(customClass);
      }
      subForm.appendChild(formElement);

      // Ensure same height as container
      subForm.style.height = (manager.formContainer.getBoundingClientRect().height - manager.getFormHeadHeight()) + 'px';

      // Insert into DOM
      manager.formContainer.appendChild(subForm);

      // Make last part of breadcrumb clickable
      const lastBreadcrumb = manager.formBreadcrumb.lastChild;
      lastBreadcrumb.addEventListener('click', handleBreadcrumbClick);
      lastBreadcrumb.addEventListener('keypress', handleBreadcrumbKeypress);
      lastBreadcrumb.classList.add('clickable');
      lastBreadcrumb.tabIndex = '0';

      // Add breadcrumb section
      titles = createTitles(libraryField, customTitle, customIconId);
      manager.formBreadcrumb.appendChild(titles.breadcrumb);
      manager.formBreadcrumbMenu.insertBefore(titles.menu, manager.formBreadcrumbMenu.firstChild);

      // Show our buttons
      showElement(manager.formButtons);
      showElement(manager.footerFormButtons);
      showElement(manager.footer);

      // Ensure footer is at the bottom of the form
      manager.formContainer.appendChild(manager.footer);

      // When transition animation is done and the form is fully open...
      handleTransitionend = onlyOnce(subForm, 'transitionend', function () {
        handleTransitionend = null;

        // Hide everything except first, second, last child and footer
        for (let i = 2; i < manager.formContainer.children.length - 1; i++) {
          const child = manager.formContainer.children[i];
          const skipHiding = child === subForm
            || child.classList.contains('sp-container')
            || child.classList.contains('form-manager-footer');
          if (!skipHiding) {
            hideElement(manager.formContainer.children[i]);
          }
        }

        // Resume natural height
        subForm.style.height = '';
        subForm.style.marginLeft = '';
        subForm.classList.remove('form-manager-movable');

        self.trigger('formopened');
      });

      // Start animation on the next tick
      setTimeout(function () {
        // Animation fix for fullscreen max-width limit.
        subForm.style.marginLeft = (parseFloat(window.getComputedStyle(manager.formContainer.children[manager.formContainer.children.length - 2]).marginLeft) - 20) + 'px';

        subForm.classList.add('form-manager-slidein');
        titles.breadcrumb.classList.add('form-manager-comein');
        manager.formButtons.classList.add('form-manager-comein');
        manager.footerFormButtons.classList.add('form-manager-comein');
        manager.updateFormResponsiveness();
      }, 0);

      if (proceedButton && manager.exitSemiFullscreen) {
        // We are in fullscreen and opening sub-form, hide Proceed button
        hideElement(proceedButton);
      }
      if (breadcrumbButton) {
        breadcrumbButton.classList.remove('form-manager-disabled');
      }
    };

    /**
     * Check if the sub-form is fully opened. (animation finished)
     *
     * @return {boolean}
     */
    self.isFormOpen = function () {
      return subForm && !handleTransitionend;
    };

    /**
     * Determine the overall height of the form head section.
     *
     * @return {number}
     */
    self.getFormHeadHeight = function () {
      return (alwaysShowButtons ? 0 : head.getBoundingClientRect().height);
    };

    /**
     * Toggle the breadcrumb menu.
     */
    self.toggleBreadcrumbMenu = function () {
      if (self.formContainer.classList.contains('mobile-menu-open')) {
        // Close breadcrumb menu
        self.formContainer.classList.remove('mobile-menu-open');
        breadcrumbButton.children[0].innerText = l10n.expandBreadcrumbButtonLabel;
        breadcrumbButton.setAttribute('aria-label', l10n.expandBreadcrumbButtonLabel);
        self.formBreadcrumbMenu.classList.remove('form-manager-comein');
      }
      else {
        // Open breadcrumb menu
        self.formContainer.classList.add('mobile-menu-open');
        breadcrumbButton.children[0].innerText = l10n.collapseBreadcrumbButtonLabel;
        breadcrumbButton.setAttribute('aria-label', l10n.collapseBreadcrumbButtonLabel);
        self.formBreadcrumbMenu.classList.add('form-manager-comein');
      }
    };

    /**
     * Resize form header elements to fit better inside narrow forms.
     */
    self.updateFormResponsiveness = function () {
      if (head.classList.contains('mobile-view-large')) {
        head.classList.remove('mobile-view-large');
      }
      if (self.formContainer.classList.contains('mobile-view-small')) {
        self.formContainer.classList.remove('mobile-view-small');
      }
      if (head.offsetWidth < 481) {
        self.formContainer.classList.add('mobile-view-small');
      }

      /**
       * Enable tooltips where we have text-ellipsis.
       *
       * @private
       * @param {Element} element
       */
      const updateActiveTooltips = function (element) {
        let tooltipActive;
        for (let i = 0; i < element.children.length; i++) {
          const breadcrumbTitle = element.children[i];
          if (breadcrumbTitle.firstChild.offsetWidth && breadcrumbTitle.firstChild.scrollWidth > breadcrumbTitle.firstChild.offsetWidth + 1) {
            breadcrumbTitle.classList.add('form-mananger-tooltip-active');
            tooltipActive = true;
          }
          else {
            breadcrumbTitle.classList.remove('form-mananger-tooltip-active');
          }
        }
        return tooltipActive;
      };
      if (updateActiveTooltips(self.formBreadcrumb)) {
        head.classList.add('mobile-view-large');
        // Check again since we made buttons smaller
        updateActiveTooltips(self.formBreadcrumb)
      }
      updateActiveTooltips(self.formBreadcrumbMenu);
    };

    /**
     * Keep the buttons visible even though the last sub-form is closed.
     *
     * @param {Boolean} state
     */
    self.setAlwaysShowButtons = function (state) {
      alwaysShowButtons = state;

      if (alwaysShowButtons) {
        // Show our buttons
        showElement(manager.formButtons);
        manager.formButtons.classList.add('form-manager-comein');
      }
    };

    // Figure out which manager to use.
    const manager = findExistingManager(parent);
    if (manager === self) {
      initialize(); // We are the first of our kind
    }
  };

  DragNBar.FormManager.prototype = Object.create(EventDispatcher.prototype);
  DragNBar.FormManager.prototype.constructor = DragNBar.FormManager;

  /**
   * Help convert any HTML into text.
   *
   * @param {string} value
   * @return {string}
   */
  const getText = function (value) {
    const textNode = H5PEditor.$.parseHTML(value);
    if (textNode !== null) {
      return textNode[0].nodeValue;
    }
    return value;
  };

  /**
   * Help make sure that an event handler is only triggered once.
   *
   * @private
   * @param {Element} element
   * @param {string} eventName
   * @param {function} handler
   * @return {function} Callback in case of manual cancellation
   */
  const onlyOnce = function (element, eventName, handler) {
    const callback = function () {
      // Make sure we're only called once.
      element.removeEventListener(eventName, callback);

      // Trigger the real handler
      handler.apply(this, arguments);
    };
    element.addEventListener(eventName, callback);
    return callback;
  };

})(H5P.DragNBar, H5P.EventDispatcher);
;
/*
 * flowplayer.js 3.2.12. The Flowplayer API
 *
 * Copyright 2009-2011 Flowplayer Oy
 *
 * This file is part of Flowplayer.
 *
 * Flowplayer is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Flowplayer is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Flowplayer.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Date: ${date}
 * Revision: ${revision}
 */
!function(){function h(p){console.log("$f.fireEvent",[].slice.call(p))}function l(r){if(!r||typeof r!="object"){return r}var p=new r.constructor();for(var q in r){if(r.hasOwnProperty(q)){p[q]=l(r[q])}}return p}function n(u,r){if(!u){return}var p,q=0,s=u.length;if(s===undefined){for(p in u){if(r.call(u[p],p,u[p])===false){break}}}else{for(var t=u[0];q<s&&r.call(t,q,t)!==false;t=u[++q]){}}return u}function c(p){return document.getElementById(p)}function j(r,q,p){if(typeof q!="object"){return r}if(r&&q){n(q,function(s,t){if(!p||typeof t!="function"){r[s]=t}})}return r}function o(t){var r=t.indexOf(".");if(r!=-1){var q=t.slice(0,r)||"*";var p=t.slice(r+1,t.length);var s=[];n(document.getElementsByTagName(q),function(){if(this.className&&this.className.indexOf(p)!=-1){s.push(this)}});return s}}function g(p){p=p||window.event;if(p.preventDefault){p.stopPropagation();p.preventDefault()}else{p.returnValue=false;p.cancelBubble=true}return false}function 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z=B.apply(p,w);if(x.slice(0,1)=="_"){delete t[x]}return z}return p}})};function b(r,H,u){var x=this,w=null,E=false,v,t,G=[],z={},y={},F,s,q,D,p,B;j(x,{id:function(){return F},isLoaded:function(){return(w!==null&&w.fp_play!==undefined&&!E)},getParent:function(){return r},hide:function(I){if(I){r.style.height="0px"}if(x.isLoaded()){w.style.height="0px"}return x},show:function(){r.style.height=B+"px";if(x.isLoaded()){w.style.height=p+"px"}return x},isHidden:function(){return x.isLoaded()&&parseInt(w.style.height,10)===0},load:function(K){if(!x.isLoaded()&&x._fireEvent("onBeforeLoad")!==false){var I=function(){if(v&&!flashembed.isSupported(H.version)){r.innerHTML=""}if(K){K.cached=true;k(y,"onLoad",K)}flashembed(r,H,{config:u})};var J=0;n(a,function(){this.unload(function(L){if(++J==a.length){I()}})})}return x},unload:function(K){if(v.replace(/\s/g,"")!==""){if(x._fireEvent("onBeforeUnload")===false){if(K){K(false)}return 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J=M?f():"_";x._api().fp_loadPlugin(L,K,N,J);var I={};I[J]=M;var O=new m(L,null,x,I);z[L]=O;return O},getState:function(){return x.isLoaded()?w.fp_getState():-1},play:function(J,I){var K=function(){if(J!==undefined){x._api().fp_play(J,I)}else{x._api().fp_play()}};if(x.isLoaded()){K()}else{if(E){setTimeout(function(){x.play(J,I)},50)}else{x.load(function(){K()})}}return x},getVersion:function(){var J="flowplayer.js 3.2.12";if(x.isLoaded()){var I=w.fp_getVersion();I.push(J);return I}return J},_api:function(){if(!x.isLoaded()){throw"Flowplayer "+x.id()+" not loaded when calling an API method"}return w},setClip:function(I){n(I,function(J,K){if(typeof K=="function"){k(y,J,K);delete I[J]}else{if(J=="onCuepoint"){$f(r).getCommonClip().onCuepoint(I[J][0],I[J][1])}}});x.setPlaylist([I]);return x},getIndex:function(){return q},bufferAnimate:function(I){w.fp_bufferAnimate(I===undefined||I);return x},_swfHeight:function(){return 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/** @namespace H5P */
H5P.VideoYouTube = (function ($) {

  /**
   * YouTube video player for H5P.
   *
   * @class
   * @param {Array} sources Video files to use
   * @param {Object} options Settings for the player
   * @param {Object} l10n Localization strings
   */
  function YouTube(sources, options, l10n) {
    var self = this;

    var player;
    var playbackRate = 1;
    var id = 'h5p-youtube-' + numInstances;
    numInstances++;

    var $wrapper = $('<div/>');
    var $placeholder = $('<div/>', {
      id: id,
      text: l10n.loading
    }).appendTo($wrapper);

    // Optional placeholder
    // var $placeholder = $('<iframe id="' + id + '" type="text/html" width="640" height="360" src="https://www.youtube.com/embed/' + getId(sources[0].path) + '?enablejsapi=1&origin=' + encodeURIComponent(ORIGIN) + '&autoplay=' + (options.autoplay ? 1 : 0) + '&controls=' + (options.controls ? 1 : 0) + '&disabledkb=' + (options.controls ? 0 : 1) + '&fs=0&loop=' + (options.loop ? 1 : 0) + '&rel=0&showinfo=0&iv_load_policy=3" frameborder="0"></iframe>').appendTo($wrapper);

    /**
     * Use the YouTube API to create a new player
     *
     * @private
     */
    var create = function () {
      if (!$placeholder.is(':visible') || player !== undefined) {
        return;
      }

      if (window.YT === undefined) {
        // Load API first
        loadAPI(create);
        return;
      }
      if (YT.Player === undefined) {
        return;
      }

      var width = $wrapper.width();
      if (width < 200) {
        width = 200;
      }

      var loadCaptionsModule = true;

      var videoId = getId(sources[0].path);

      player = new YT.Player(id, {
        width: width,
        height: width * (9/16),
        videoId: videoId,
        playerVars: {
          origin: ORIGIN,
          autoplay: options.autoplay ? 1 : 0,
          controls: options.controls ? 1 : 0,
          disablekb: options.controls ? 0 : 1,
          fs: 0,
          loop: options.loop ? 1 : 0,
          playlist: options.loop ? videoId : undefined,
          rel: 0,
          showinfo: 0,
          iv_load_policy: 3,
          wmode: "opaque",
          start: options.startAt,
          playsinline: 1
        },
        events: {
          onReady: function () {
            self.trigger('ready');
            self.trigger('loaded');
          },
          onApiChange: function () {
            if (loadCaptionsModule) {
              loadCaptionsModule = false;

              // Always load captions
              player.loadModule('captions');
            }

            var trackList;
            try {
              // Grab tracklist from player
              trackList = player.getOption('captions', 'tracklist');
            }
            catch (err) {}
            if (trackList && trackList.length) {

              // Format track list into valid track options
              var trackOptions = [];
              for (var i = 0; i < trackList.length; i++) {
                trackOptions.push(new H5P.Video.LabelValue(trackList[i].displayName, trackList[i].languageCode));
              }

              // Captions are ready for loading
              self.trigger('captions', trackOptions);
            }
          },
          onStateChange: function (state) {
            if (state.data > -1 && state.data < 4) {

              // Fix for keeping playback rate in IE11
              if (H5P.Video.IE11_PLAYBACK_RATE_FIX && state.data === H5P.Video.PLAYING && playbackRate !== 1) {
                // YT doesn't know that IE11 changed the rate so it must be reset before it's set to the correct value
                player.setPlaybackRate(1);
                player.setPlaybackRate(playbackRate);
              }
              // End IE11 fix

              self.trigger('stateChange', state.data);
            }
          },
          onPlaybackQualityChange: function (quality) {
            self.trigger('qualityChange', quality.data);
          },
          onPlaybackRateChange: function (playbackRate) {
            self.trigger('playbackRateChange', playbackRate.data);
          },
          onError: function (error) {
            var message;
            switch (error.data) {
              case 2:
                message = l10n.invalidYtId;
                break;

              case 100:
                message = l10n.unknownYtId;
                break;

              case 101:
              case 150:
                message = l10n.restrictedYt;
                break;

              default:
                message = l10n.unknownError + ' ' + error.data;
                break;
            }
            self.trigger('error', message);
          }
        }
      });
    };

    /**
     * Indicates if the video must be clicked for it to start playing.
     * For instance YouTube videos on iPad must be pressed to start playing.
     *
     * @public
     */
    self.pressToPlay = navigator.userAgent.match(/iPad/i) ? true : false;

    /**
    * Appends the video player to the DOM.
    *
    * @public
    * @param {jQuery} $container
    */
    self.appendTo = function ($container) {
      $container.addClass('h5p-youtube').append($wrapper);
      create();
    };

    /**
     * Get list of available qualities. Not available until after play.
     *
     * @public
     * @returns {Array}
     */
    self.getQualities = function () {
      if (!player || !player.getAvailableQualityLevels) {
        return;
      }

      var qualities = player.getAvailableQualityLevels();
      if (!qualities.length) {
        return; // No qualities
      }

      // Add labels
      for (var i = 0; i < qualities.length; i++) {
        var quality = qualities[i];
        var label = (LABELS[quality] !== undefined ? LABELS[quality] : 'Unknown'); // TODO: l10n
        qualities[i] = {
          name: quality,
          label: LABELS[quality]
        };
      }

      return qualities;
    };

    /**
     * Get current playback quality. Not available until after play.
     *
     * @public
     * @returns {String}
     */
    self.getQuality = function () {
      if (!player || !player.getPlaybackQuality) {
        return;
      }

      var quality = player.getPlaybackQuality();
      return quality === 'unknown' ? undefined : quality;
    };

    /**
     * Set current playback quality. Not available until after play.
     * Listen to event "qualityChange" to check if successful.
     *
     * @public
     * @params {String} [quality]
     */
    self.setQuality = function (quality) {
      if (!player || !player.setPlaybackQuality) {
        return;
      }

      player.setPlaybackQuality(quality);
    };

    /**
     * Start the video.
     *
     * @public
     */
    self.play = function () {
      if (!player || !player.playVideo) {
        self.on('ready', self.play);
        return;
      }

      player.playVideo();
    };

    /**
     * Pause the video.
     *
     * @public
     */
    self.pause = function () {
      self.off('ready', self.play);
      if (!player || !player.pauseVideo) {
        return;
      }
      player.pauseVideo();
    };

    /**
     * Seek video to given time.
     *
     * @public
     * @param {Number} time
     */
    self.seek = function (time) {
      if (!player || !player.seekTo) {
        return;
      }

      player.seekTo(time, true);
    };

    /**
     * Get elapsed time since video beginning.
     *
     * @public
     * @returns {Number}
     */
    self.getCurrentTime = function () {
      if (!player || !player.getCurrentTime) {
        return;
      }

      return player.getCurrentTime();
    };

    /**
     * Get total video duration time.
     *
     * @public
     * @returns {Number}
     */
    self.getDuration = function () {
      if (!player || !player.getDuration) {
        return;
      }

      return player.getDuration();
    };

    /**
     * Get percentage of video that is buffered.
     *
     * @public
     * @returns {Number} Between 0 and 100
     */
    self.getBuffered = function () {
      if (!player || !player.getVideoLoadedFraction) {
        return;
      }

      return player.getVideoLoadedFraction() * 100;
    };

    /**
     * Turn off video sound.
     *
     * @public
     */
    self.mute = function () {
      if (!player || !player.mute) {
        return;
      }

      player.mute();
    };

    /**
     * Turn on video sound.
     *
     * @public
     */
    self.unMute = function () {
      if (!player || !player.unMute) {
        return;
      }

      player.unMute();
    };

    /**
     * Check if video sound is turned on or off.
     *
     * @public
     * @returns {Boolean}
     */
    self.isMuted = function () {
      if (!player || !player.isMuted) {
        return;
      }

      return player.isMuted();
    };

    /**
     * Return the video sound level.
     *
     * @public
     * @returns {Number} Between 0 and 100.
     */
    self.getVolume = function () {
      if (!player || !player.getVolume) {
        return;
      }

      return player.getVolume();
    };

    /**
     * Set video sound level.
     *
     * @public
     * @param {Number} level Between 0 and 100.
     */
    self.setVolume = function (level) {
      if (!player || !player.setVolume) {
        return;
      }

      player.setVolume(level);
    };

    /**
     * Get list of available playback rates.
     *
     * @public
     * @returns {Array} available playback rates
     */
    self.getPlaybackRates = function () {
      if (!player || !player.getAvailablePlaybackRates) {
        return;
      }

      var playbackRates = player.getAvailablePlaybackRates();
      if (!playbackRates.length) {
        return; // No rates, but the array should contain at least 1
      }

      return playbackRates;
    };

    /**
     * Get current playback rate.
     *
     * @public
     * @returns {Number} such as 0.25, 0.5, 1, 1.25, 1.5 and 2
     */
    self.getPlaybackRate = function () {
      if (!player || !player.getPlaybackRate) {
        return;
      }

      return player.getPlaybackRate();
    };

    /**
     * Set current playback rate.
     * Listen to event "playbackRateChange" to check if successful.
     *
     * @public
     * @params {Number} suggested rate that may be rounded to supported values
     */
    self.setPlaybackRate = function (newPlaybackRate) {
      if (!player || !player.setPlaybackRate) {
        return;
      }

      playbackRate = Number(newPlaybackRate);
      player.setPlaybackRate(playbackRate);
    };

    /**
     * Set current captions track.
     *
     * @param {H5P.Video.LabelValue} Captions track to show during playback
     */
    self.setCaptionsTrack = function (track) {
      player.setOption('captions', 'track', track ? {languageCode: track.value} : {});
    };

    /**
     * Figure out which captions track is currently used.
     *
     * @return {H5P.Video.LabelValue} Captions track
     */
    self.getCaptionsTrack = function () {
      var track = player.getOption('captions', 'track');
      return (track.languageCode ? new H5P.Video.LabelValue(track.displayName, track.languageCode) : null);
    };

    // Respond to resize events by setting the YT player size.
    self.on('resize', function () {
      if (!$wrapper.is(':visible')) {
        return;
      }

      if (!player) {
        // Player isn't created yet. Try again.
        create();
        return;
      }

      // Use as much space as possible
      $wrapper.css({
        width: '100%',
        height: '100%'
      });

      var width = $wrapper[0].clientWidth;
      var height = options.fit ? $wrapper[0].clientHeight : (width * (9/16));
      
      // Validate height before setting
      if (height > 0) {
        // Set size
        $wrapper.css({
          width: width + 'px',
          height: height + 'px'
        });

        player.setSize(width, height);
      }
    });
  }

  /**
   * Check to see if we can play any of the given sources.
   *
   * @public
   * @static
   * @param {Array} sources
   * @returns {Boolean}
   */
  YouTube.canPlay = function (sources) {
    return getId(sources[0].path);
  };

  /**
   * Find id of YouTube video from given URL.
   *
   * @private
   * @param {String} url
   * @returns {String} YouTube video identifier
   */

  var getId = function (url) {
    // Has some false positives, but should cover all regular URLs that people can find
    var matches = url.match(/(?:(?:youtube.com\/(?:attribution_link\?(?:\S+))?(?:v\/|embed\/|watch\/|(?:user\/(?:\S+)\/)?watch(?:\S+)v\=))|(?:youtu.be\/|y2u.be\/))([A-Za-z0-9_-]{11})/i);
    if (matches && matches[1]) {
      return matches[1];
    }
  };

  /**
   * Load the IFrame Player API asynchronously.
   */
  var loadAPI = function (loaded) {
    if (window.onYouTubeIframeAPIReady !== undefined) {
      // Someone else is loading, hook in
      var original = window.onYouTubeIframeAPIReady;
      window.onYouTubeIframeAPIReady = function (id) {
        loaded(id);
        original(id);
      };
    }
    else {
      // Load the API our self
      var tag = document.createElement('script');
      tag.src = "https://www.youtube.com/iframe_api";
      var firstScriptTag = document.getElementsByTagName('script')[0];
      firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);
      window.onYouTubeIframeAPIReady = loaded;
    }
  };

  /** @constant {Object} */
  var LABELS = {
    highres: '2160p', // Old API support
    hd2160: '2160p', // (New API)
    hd1440: '1440p',
    hd1080: '1080p',
    hd720: '720p',
    large: '480p',
    medium: '360p',
    small: '240p',
    tiny: '144p',
    auto: 'Auto'
  };

  /** @private */
  var numInstances = 0;

  // Extract the current origin (used for security)
  var ORIGIN = window.location.href.match(/http[s]?:\/\/[^\/]+/);
  ORIGIN = !ORIGIN || ORIGIN[0] === undefined ? undefined : ORIGIN[0];
  // ORIGIN = undefined is needed to support fetching file from device local storage

  return YouTube;
})(H5P.jQuery);

// Register video handler
H5P.videoHandlers = H5P.videoHandlers || [];
H5P.videoHandlers.push(H5P.VideoYouTube);
;
/** @namespace H5P */
H5P.VideoPanopto = (function ($) {

  /**
   * Panopto video player for H5P.
   *
   * @class
   * @param {Array} sources Video files to use
   * @param {Object} options Settings for the player
   * @param {Object} l10n Localization strings
   */
  function Panopto(sources, options, l10n) {
    var self = this;

    var player;
    var playbackRate = 1;
    var id = 'h5p-panopto-' + numInstances;
    numInstances++;

    var $wrapper = $('<div/>');
    var $placeholder = $('<div/>', {
      id: id,
      html: '<div>' + l10n.loading + '</div>'
    }).appendTo($wrapper);

    /**
     * Use the Panopto API to create a new player
     *
     * @private
     */
    var create = function () {
      if (!$placeholder.is(':visible') || player !== undefined) {
        return;
      }

      if (window.EmbedApi === undefined) {
        // Load API first
        loadAPI(create);
        return;
      }

      var width = $wrapper.width();
      if (width < 200) {
        width = 200;
      }

      const videoId = getId(sources[0].path);

      player = new EmbedApi(id, {
        width: width,
        height: width * (9/16),
        serverName: videoId[0],
        sessionId: videoId[1],
        videoParams: { // Optional
          interactivity: 'none',
          showtitle: false,
          autohide: true,
          offerviewer: false,
          autoplay: !!options.autoplay,
          showbrand: false,
          start: 0,
          hideoverlay: !options.controls,
        },
        events: {
          onIframeReady: function () {
            $placeholder.children(0).text('');
            player.loadVideo();
          },
          onReady: function () {
            self.trigger('loaded');
            if (player.hasCaptions()) {
              const captions = [];

              const captionTracks = player.getCaptionTracks();
              for (trackIndex in captionTracks) {
                captions.push(new H5P.Video.LabelValue(captionTracks[trackIndex], trackIndex));
              }

              // Select active track
              currentTrack = player.getSelectedCaptionTrack();
              currentTrack = captions[currentTrack] ? captions[currentTrack] : null;

              self.trigger('captions', captions);
            }
            self.pause();
          },
          onStateChange: function (state) {
            // TODO: Playback rate fix for IE11?
            if (state > -1 && state < 4) {
              self.trigger('stateChange', state);
            }
          },
          onPlaybackRateChange: function () {
            self.trigger('playbackRateChange', self.getPlaybackRate());
          },
          onError: function () {
            self.trigger('error', l10n.unknownError);
          },
          onLoginShown: function () {
            $placeholder.children().first().remove(); // Remove loading message
            self.trigger('loaded'); // Resize parent
          }
        }
      });
    };

    /**
     * Indicates if the video must be clicked for it to start playing.
     * This is always true for Panopto since all videos auto play.
     *
     * @public
     */
    self.pressToPlay = true;

    /**
    * Appends the video player to the DOM.
    *
    * @public
    * @param {jQuery} $container
    */
    self.appendTo = function ($container) {
      $container.addClass('h5p-panopto').append($wrapper);
      create();
    };

    /**
     * Get list of available qualities. Not available until after play.
     *
     * @public
     * @returns {Array}
     */
    self.getQualities = function () {
      // Not available for Panopto
    };

    /**
     * Get current playback quality. Not available until after play.
     *
     * @public
     * @returns {String}
     */
    self.getQuality = function () {
      // Not available for Panopto
    };

    /**
     * Set current playback quality. Not available until after play.
     * Listen to event "qualityChange" to check if successful.
     *
     * @public
     * @params {String} [quality]
     */
    self.setQuality = function (quality) {
      // Not available for Panopto
    };

    /**
     * Start the video.
     *
     * @public
     */
    self.play = function () {
      if (!player || !player.playVideo) {
        return;
      }
      player.playVideo();
    };

    /**
     * Pause the video.
     *
     * @public
     */
    self.pause = function () {
      if (!player || !player.pauseVideo) {
        return;
      }
      player.pauseVideo();
    };

    /**
     * Seek video to given time.
     *
     * @public
     * @param {Number} time
     */
    self.seek = function (time) {
      if (!player || !player.seekTo) {
        return;
      }

      player.seekTo(time);
    };

    /**
     * Get elapsed time since video beginning.
     *
     * @public
     * @returns {Number}
     */
    self.getCurrentTime = function () {
      if (!player || !player.getCurrentTime) {
        return;
      }

      return player.getCurrentTime();
    };

    /**
     * Get total video duration time.
     *
     * @public
     * @returns {Number}
     */
    self.getDuration = function () {
      if (!player || !player.getDuration) {
        return;
      }

      return player.getDuration();
    };

    /**
     * Get percentage of video that is buffered.
     *
     * @public
     * @returns {Number} Between 0 and 100
     */
    self.getBuffered = function () {
      // Not available for Panopto
    };

    /**
     * Turn off video sound.
     *
     * @public
     */
    self.mute = function () {
      if (!player || !player.muteVideo) {
        return;
      }

      player.muteVideo();
    };

    /**
     * Turn on video sound.
     *
     * @public
     */
    self.unMute = function () {
      if (!player || !player.unmuteVideo) {
        return;
      }

      player.unmuteVideo();
    };

    /**
     * Check if video sound is turned on or off.
     *
     * @public
     * @returns {Boolean}
     */
    self.isMuted = function () {
      if (!player || !player.isMuted) {
        return;
      }

      return player.isMuted();
    };

    /**
     * Return the video sound level.
     *
     * @public
     * @returns {Number} Between 0 and 100.
     */
    self.getVolume = function () {
      if (!player || !player.getVolume) {
        return;
      }

      return player.getVolume() * 100;
    };

    /**
     * Set video sound level.
     *
     * @public
     * @param {Number} level Between 0 and 100.
     */
    self.setVolume = function (level) {
      if (!player || !player.setVolume) {
        return;
      }

      player.setVolume(level/100);
    };

    /**
     * Get list of available playback rates.
     *
     * @public
     * @returns {Array} available playback rates
     */
    self.getPlaybackRates = function () {
      return [0.25, 0.5, 1, 1.25, 1.5, 2];
    };

    /**
     * Get current playback rate.
     *
     * @public
     * @returns {Number} such as 0.25, 0.5, 1, 1.25, 1.5 and 2
     */
    self.getPlaybackRate = function () {
      if (!player || !player.getPlaybackRate) {
        return;
      }

      return player.getPlaybackRate();
    };

    /**
     * Set current playback rate.
     * Listen to event "playbackRateChange" to check if successful.
     *
     * @public
     * @params {Number} suggested rate that may be rounded to supported values
     */
    self.setPlaybackRate = function (newPlaybackRate) {
      if (!player || !player.setPlaybackRate) {
        return;
      }

      player.setPlaybackRate(newPlaybackRate);
    };

    /**
     * Set current captions track.
     *
     * @param {H5P.Video.LabelValue} Captions track to show during playback
     */
    self.setCaptionsTrack = function (track) {
      if (!track) {
        console.log('Disable captions');
        player.disableCaptions();
        currentTrack = null;
      }
      else {
        console.log('Set captions', track.value);
        player.enableCaptions(track.value + '');
        currentTrack = track;
      }
    };

    /**
     * Figure out which captions track is currently used.
     *
     * @return {H5P.Video.LabelValue} Captions track
     */
    self.getCaptionsTrack = function () {
      return currentTrack; // No function for getting active caption track?
    };

    // Respond to resize events by setting the player size.
    self.on('resize', function () {
      if (!$wrapper.is(':visible')) {
        return;
      }

      if (!player) {
        // Player isn't created yet. Try again.
        create();
        return;
      }

      // Use as much space as possible
      $wrapper.css({
        width: '100%',
        height: '100%'
      });

      var width = $wrapper[0].clientWidth;
      var height = options.fit ? $wrapper[0].clientHeight : (width * (9/16));

      // Set size
      $wrapper.css({
        width: width + 'px',
        height: height + 'px'
      });

      const $iframe = $placeholder.children('iframe');
      if ($iframe.length) {
        $iframe.attr('width', width);
        $iframe.attr('height', height);
      }
    });

    let currentTrack;
  }

  /**
   * Check to see if we can play any of the given sources.
   *
   * @public
   * @static
   * @param {Array} sources
   * @returns {Boolean}
   */
  Panopto.canPlay = function (sources) {
    return getId(sources[0].path);
  };

  /**
   * Find id of YouTube video from given URL.
   *
   * @private
   * @param {String} url
   * @returns {String} Panopto video identifier
   */
  var getId = function (url) {
    const matches = url.match(/^[^\/]+:\/\/([^\/]*panopto\.[^\/]+)\/Panopto\/.+\?id=(.+)$/);
    if (matches && matches.length === 3) {
      return [matches[1], matches[2]];
    }
  };

  /**
   * Load the IFrame Player API asynchronously.
   */
  var loadAPI = function (loaded) {
    if (window.onPanoptoEmbedApiReady !== undefined) {
      // Someone else is loading, hook in
      var original = window.onPanoptoEmbedApiReady;
      window.onPanoptoEmbedApiReady = function (id) {
        loaded(id);
        original(id);
      };
    }
    else {
      // Load the API our self
      var tag = document.createElement('script');
      tag.src = 'https://developers.panopto.com/scripts/embedapi.min.js';
      var firstScriptTag = document.getElementsByTagName('script')[0];
      firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);
      window.onPanoptoEmbedApiReady = loaded;
    }
  };

  /** @private */
  var numInstances = 0;

  return Panopto;
})(H5P.jQuery);

// Register video handler
H5P.videoHandlers = H5P.videoHandlers || [];
H5P.videoHandlers.push(H5P.VideoPanopto);
;
/** @namespace H5P */
H5P.VideoHtml5 = (function ($) {

  /**
   * HTML5 video player for H5P.
   *
   * @class
   * @param {Array} sources Video files to use
   * @param {Object} options Settings for the player
   * @param {Object} l10n Localization strings
   */
  function Html5(sources, options, l10n) {
    var self = this;

    /**
     * Small helper to ensure all video sources get the same cache buster.
     *
     * @private
     * @param {Object} source
     * @return {string}
     */
    const getCrossOriginPath = function (source) {
      let path = H5P.getPath(source.path, self.contentId);
      if (video.crossOrigin !== null && H5P.addQueryParameter && H5PIntegration.crossoriginCacheBuster) {
        path = H5P.addQueryParameter(path, H5PIntegration.crossoriginCacheBuster);
      }
      return path
    };


    /**
     * Register track to video
     *
     * @param {Object} trackData Track object
     * @param {string} trackData.kind Kind of track
     * @param {Object} trackData.track Source path
     * @param {string} [trackData.label] Label of track
     * @param {string} [trackData.srcLang] Language code
     */
    const addTrack = function (trackData) {
      // Skip invalid tracks
      if (!trackData.kind || !trackData.track.path) {
        return;
      }

      var track = document.createElement('track');
      track.kind = trackData.kind;
      track.src = getCrossOriginPath(trackData.track); // Uses same crossOrigin as parent. You cannot mix.
      if (trackData.label) {
        track.label = trackData.label;
      }

      if (trackData.srcLang) {
        track.srcLang = trackData.srcLang;
      }

      return track;
    };

    /**
     * Small helper to set the inital video source.
     * Useful if some of the loading happens asynchronously.
     * NOTE: Setting the crossOrigin must happen before any of the
     * sources(poster, tracks etc.) are loaded
     *
     * @private
     */
    const setInitialSource = function () {
      if (qualities[currentQuality] === undefined) {
        return;
      }

      if (H5P.setSource !== undefined) {
        H5P.setSource(video, qualities[currentQuality].source, self.contentId)
      }
      else {
        // Backwards compatibility (H5P < v1.22)
        const srcPath = H5P.getPath(qualities[currentQuality].source.path, self.contentId);
        if (H5P.getCrossOrigin !== undefined) {
          var crossOrigin = H5P.getCrossOrigin(srcPath);
          video.setAttribute('crossorigin', crossOrigin !== null ? crossOrigin : 'anonymous');
        }
        video.src = srcPath;
      }

      // Add poster if provided
      if (options.poster) {
        video.poster = getCrossOriginPath(options.poster); // Uses same crossOrigin as parent. You cannot mix.
      }

      // Register tracks
      options.tracks.forEach(function (track, i) {
        var trackElement = addTrack(track);
        if (i === 0) {
          trackElement.default = true;
        }
        if (trackElement) {
          video.appendChild(trackElement);
        }
      });
    };

    /**
     * Displayed when the video is buffering
     * @private
     */
    var $throbber = $('<div/>', {
      'class': 'h5p-video-loading'
    });

    /**
     * Used to display error messages
     * @private
     */
    var $error = $('<div/>', {
      'class': 'h5p-video-error'
    });

    /**
     * Keep track of current state when changing quality.
     * @private
     */
    var stateBeforeChangingQuality;
    var currentTimeBeforeChangingQuality;

    /**
     * Avoids firing the same event twice.
     * @private
     */
    var lastState;

    /**
     * Keeps track whether or not the video has been loaded.
     * @private
     */
    var isLoaded = false;

    /**
     *
     * @private
     */
    var playbackRate = 1;
    var skipRateChange = false;

    // Create player
    var video = document.createElement('video');

    // Sort sources into qualities
    var qualities = getQualities(sources, video);
    var currentQuality;

    numQualities = 0;
    for (let quality in qualities) {
      numQualities++;
    }

    if (numQualities > 1 && H5P.VideoHtml5.getExternalQuality !== undefined) {
      H5P.VideoHtml5.getExternalQuality(sources, function (chosenQuality) {
        if (qualities[chosenQuality] !== undefined) {
          currentQuality = chosenQuality;
        }
        setInitialSource();
      });
    }
    else {
      // Select quality and source
      currentQuality = getPreferredQuality();
      if (currentQuality === undefined || qualities[currentQuality] === undefined) {
        // No preferred quality, pick the first.
        for (currentQuality in qualities) {
          if (qualities.hasOwnProperty(currentQuality)) {
            break;
          }
        }
      }
      setInitialSource();
    }

    // Setting webkit-playsinline, which makes iOS 10 beeing able to play video
    // inside browser.
    video.setAttribute('webkit-playsinline', '');
    video.setAttribute('playsinline', '');
    video.setAttribute('preload', 'metadata');

    // Remove buttons in Chrome's video player:
    let controlsList = 'nodownload';
    if (options.disableFullscreen) {
      controlsList += ' nofullscreen';
    }
    if (options.disableRemotePlayback) {
      controlsList += ' noremoteplayback';
    }
    video.setAttribute('controlsList', controlsList);

    // Remove picture in picture as it interfers with other video players
    video.disablePictureInPicture = true;

    // Set options
    video.disableRemotePlayback = (options.disableRemotePlayback ? true : false);
    video.controls = (options.controls ? true : false);
    video.autoplay = (options.autoplay ? true : false);
    video.loop = (options.loop ? true : false);
    video.className = 'h5p-video';
    video.style.display = 'block';

    if (options.fit) {
      // Style is used since attributes with relative sizes aren't supported by IE9.
      video.style.width = '100%';
      video.style.height = '100%';
    }

    /**
     * Helps registering events.
     *
     * @private
     * @param {String} native Event name
     * @param {String} h5p Event name
     * @param {String} [arg] Optional argument
     */
    var mapEvent = function (native, h5p, arg) {
      video.addEventListener(native, function () {
        switch (h5p) {
          case 'stateChange':
            if (lastState === arg) {
              return; // Avoid firing event twice.
            }

            var validStartTime = options.startAt && options.startAt > 0;
            if (arg === H5P.Video.PLAYING && validStartTime) {
              video.currentTime = options.startAt;
              delete options.startAt;
            }

            break;

          case 'loaded':
            isLoaded = true;

            if (stateBeforeChangingQuality !== undefined) {
              return; // Avoid loaded event when changing quality.
            }

            // Remove any errors
            if ($error.is(':visible')) {
              $error.remove();
            }

            if (OLD_ANDROID_FIX) {
              var andLoaded = function () {
                video.removeEventListener('durationchange', andLoaded, false);
                // On Android seeking isn't ready until after play.
                self.trigger(h5p);
              };
              video.addEventListener('durationchange', andLoaded, false);
              return;
            }
            break;

          case 'error':
            // Handle error and get message.
            arg = error(arguments[0], arguments[1]);
            break;

          case 'playbackRateChange':

            // Fix for keeping playback rate in IE11
            if (skipRateChange) {
              skipRateChange = false;
              return; // Avoid firing event when changing back
            }
            if (H5P.Video.IE11_PLAYBACK_RATE_FIX && playbackRate != video.playbackRate) { // Intentional
              // Prevent change in playback rate not triggered by the user
              video.playbackRate = playbackRate;
              skipRateChange = true;
              return;
            }
            // End IE11 fix

            arg = self.getPlaybackRate();
            break;
        }
        self.trigger(h5p, arg);
      }, false);
    };

    /**
     * Handle errors from the video player.
     *
     * @private
     * @param {Object} code Error
     * @param {String} [message]
     * @returns {String} Human readable error message.
     */
    var error = function (code, message) {
      if (code instanceof Event) {

        // No error code
        if (!code.target.error) {
          return '';
        }

        switch (code.target.error.code) {
          case MediaError.MEDIA_ERR_ABORTED:
            message = l10n.aborted;
            break;
          case MediaError.MEDIA_ERR_NETWORK:
            message = l10n.networkFailure;
            break;
          case MediaError.MEDIA_ERR_DECODE:
            message = l10n.cannotDecode;
            break;
          case MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED:
            message = l10n.formatNotSupported;
            break;
          case MediaError.MEDIA_ERR_ENCRYPTED:
            message = l10n.mediaEncrypted;
            break;
        }
      }
      if (!message) {
        message = l10n.unknownError;
      }

      // Hide throbber
      $throbber.remove();

      // Display error message to user
      $error.text(message).insertAfter(video);

      // Pass message to our error event
      return message;
    };

    /**
     * Appends the video player to the DOM.
     *
     * @public
     * @param {jQuery} $container
     */
    self.appendTo = function ($container) {
      $container.append(video);
    };

    /**
     * Get list of available qualities. Not available until after play.
     *
     * @public
     * @returns {Array}
     */
    self.getQualities = function () {
      // Create reverse list
      var options = [];
      for (var q in qualities) {
        if (qualities.hasOwnProperty(q)) {
          options.splice(0, 0, {
            name: q,
            label: qualities[q].label
          });
        }
      }

      if (options.length < 2) {
        // Do not return if only one quality.
        return;
      }

      return options;
    };

    /**
     * Get current playback quality. Not available until after play.
     *
     * @public
     * @returns {String}
     */
    self.getQuality = function () {
      return currentQuality;
    };

    /**
     * Set current playback quality. Not available until after play.
     * Listen to event "qualityChange" to check if successful.
     *
     * @public
     * @params {String} [quality]
     */
    self.setQuality = function (quality) {
      if (qualities[quality] === undefined || quality === currentQuality) {
        return; // Invalid quality
      }

      // Keep track of last choice
      setPreferredQuality(quality);

      // Avoid multiple loaded events if changing quality multiple times.
      if (!stateBeforeChangingQuality) {
        // Keep track of last state
        stateBeforeChangingQuality = lastState;

        // Keep track of current time
        currentTimeBeforeChangingQuality = video.currentTime;

        // Seek and start video again after loading.
        var loaded = function () {
          video.removeEventListener('loadedmetadata', loaded, false);
          if (OLD_ANDROID_FIX) {
            var andLoaded = function () {
              video.removeEventListener('durationchange', andLoaded, false);
              // On Android seeking isn't ready until after play.
              self.seek(currentTimeBeforeChangingQuality);
            };
            video.addEventListener('durationchange', andLoaded, false);
          }
          else {
            // Seek to current time.
            self.seek(currentTimeBeforeChangingQuality);
          }

          // Always play to get image.
          video.play();

          if (stateBeforeChangingQuality !== H5P.Video.PLAYING) {
            // Do not resume playing
            video.pause();
          }

          // Done changing quality
          stateBeforeChangingQuality = undefined;

          // Remove any errors
          if ($error.is(':visible')) {
            $error.remove();
          }
        };
        video.addEventListener('loadedmetadata', loaded, false);
      }

      // Keep track of current quality
      currentQuality = quality;
      self.trigger('qualityChange', currentQuality);

      // Display throbber
      self.trigger('stateChange', H5P.Video.BUFFERING);

      // Change source
      video.src = getCrossOriginPath(qualities[quality].source); // (iPad does not support #t=).
      // Note: Optional tracks use same crossOrigin as the original. You cannot mix.

      // Remove poster so it will not show during quality change
      video.removeAttribute('poster');
    };

    /**
     * Starts the video.
     *
     * @public
     * @return {Promise|undefined} May return a Promise that resolves when
     * play has been processed.
     */
    self.play = function () {
      if ($error.is(':visible')) {
        return;
      }

      if (!isLoaded) {
        // Make sure video is loaded before playing
        video.load();
      }

      return video.play();
    };

    /**
     * Pauses the video.
     *
     * @public
     */
    self.pause = function () {
      video.pause();
    };

    /**
     * Seek video to given time.
     *
     * @public
     * @param {Number} time
     */
    self.seek = function (time) {
      if (lastState === undefined) {
        // Make sure we always play before we seek to get an image.
        // If not iOS devices will reset currentTime when pressing play.
        video.play();
        video.pause();
      }

      video.currentTime = time;
    };

    /**
     * Get elapsed time since video beginning.
     *
     * @public
     * @returns {Number}
     */
    self.getCurrentTime = function () {
      return video.currentTime;
    };

    /**
     * Get total video duration time.
     *
     * @public
     * @returns {Number}
     */
    self.getDuration = function () {
      if (isNaN(video.duration)) {
        return;
      }

      return video.duration;
    };

    /**
     * Get percentage of video that is buffered.
     *
     * @public
     * @returns {Number} Between 0 and 100
     */
    self.getBuffered = function () {
      // Find buffer currently playing from
      var buffered = 0;
      for (var i = 0; i < video.buffered.length; i++) {
        var from = video.buffered.start(i);
        var to = video.buffered.end(i);

        if (video.currentTime > from && video.currentTime < to) {
          buffered = to;
          break;
        }
      }

      // To percentage
      return buffered ? (buffered / video.duration) * 100 : 0;
    };

    /**
     * Turn off video sound.
     *
     * @public
     */
    self.mute = function () {
      video.muted = true;
    };

    /**
     * Turn on video sound.
     *
     * @public
     */
    self.unMute = function () {
      video.muted = false;
    };

    /**
     * Check if video sound is turned on or off.
     *
     * @public
     * @returns {Boolean}
     */
    self.isMuted = function () {
      return video.muted;
    };

    /**
     * Returns the video sound level.
     *
     * @public
     * @returns {Number} Between 0 and 100.
     */
    self.getVolume = function () {
      return video.volume * 100;
    };

    /**
     * Set video sound level.
     *
     * @public
     * @param {Number} level Between 0 and 100.
     */
    self.setVolume = function (level) {
      video.volume = level / 100;
    };

    /**
     * Get list of available playback rates.
     *
     * @public
     * @returns {Array} available playback rates
     */
    self.getPlaybackRates = function () {
      /*
       * not sure if there's a common rule about determining good speeds
       * using Google's standard options via a constant for setting
       */
      var playbackRates = PLAYBACK_RATES;

      return playbackRates;
    };

    /**
     * Get current playback rate.
     *
     * @public
     * @returns {Number} such as 0.25, 0.5, 1, 1.25, 1.5 and 2
     */
    self.getPlaybackRate = function () {
      return video.playbackRate;
    };

    /**
     * Set current playback rate.
     * Listen to event "playbackRateChange" to check if successful.
     *
     * @public
     * @params {Number} suggested rate that may be rounded to supported values
     */
    self.setPlaybackRate = function (newPlaybackRate) {
      playbackRate = newPlaybackRate;
      video.playbackRate = newPlaybackRate;
    };

    /**
     * Set current captions track.
     *
     * @param {H5P.Video.LabelValue} Captions track to show during playback
     */
    self.setCaptionsTrack = function (track) {
      for (var i = 0; i < video.textTracks.length; i++) {
        video.textTracks[i].mode = (track && track.value === i ? 'showing' : 'disabled');
      }
    };

    /**
     * Figure out which captions track is currently used.
     *
     * @return {H5P.Video.LabelValue} Captions track
     */
    self.getCaptionsTrack = function () {
      for (var i = 0; i < video.textTracks.length; i++) {
        if (video.textTracks[i].mode === 'showing') {
          return new H5P.Video.LabelValue(video.textTracks[i].label, i);
        }
      }

      return null;
    };

    // Register event listeners
    mapEvent('ended', 'stateChange', H5P.Video.ENDED);
    mapEvent('playing', 'stateChange', H5P.Video.PLAYING);
    mapEvent('pause', 'stateChange', H5P.Video.PAUSED);
    mapEvent('waiting', 'stateChange', H5P.Video.BUFFERING);
    mapEvent('loadedmetadata', 'loaded');
    mapEvent('canplay', 'canplay');
    mapEvent('error', 'error');
    mapEvent('ratechange', 'playbackRateChange');

    if (!video.controls) {
      // Disable context menu(right click) to prevent controls.
      video.addEventListener('contextmenu', function (event) {
        event.preventDefault();
      }, false);
    }

    // Display throbber when buffering/loading video.
    self.on('stateChange', function (event) {
      var state = event.data;
      lastState = state;
      if (state === H5P.Video.BUFFERING) {
        $throbber.insertAfter(video);
      }
      else {
        $throbber.remove();
      }
    });

    // Load captions after the video is loaded
    self.on('loaded', function () {
      nextTick(function () {
        var textTracks = [];
        for (var i = 0; i < video.textTracks.length; i++) {
          textTracks.push(new H5P.Video.LabelValue(video.textTracks[i].label, i));
        }
        if (textTracks.length) {
          self.trigger('captions', textTracks);
        }
      });
    });

    // Alternative to 'canplay' event
    /*self.on('resize', function () {
      if (video.offsetParent === null) {
        return;
      }

      video.style.width = '100%';
      video.style.height = '100%';

      var width = video.clientWidth;
      var height = options.fit ? video.clientHeight : (width * (video.videoHeight / video.videoWidth));

      video.style.width = width + 'px';
      video.style.height = height + 'px';
    });*/

    // Video controls are ready
    nextTick(function () {
      self.trigger('ready');
    });
  }

  /**
   * Check to see if we can play any of the given sources.
   *
   * @public
   * @static
   * @param {Array} sources
   * @returns {Boolean}
   */
  Html5.canPlay = function (sources) {
    var video = document.createElement('video');
    if (video.canPlayType === undefined) {
      return false; // Not supported
    }

    // Cycle through sources
    for (var i = 0; i < sources.length; i++) {
      var type = getType(sources[i]);
      if (type && video.canPlayType(type) !== '') {
        // We should be able to play this
        return true;
      }
    }

    return false;
  };

  /**
   * Find source type.
   *
   * @private
   * @param {Object} source
   * @returns {String}
   */
  var getType = function (source) {
    var type = source.mime;
    if (!type) {
      // Try to get type from URL
      var matches = source.path.match(/\.(\w+)$/);
      if (matches && matches[1]) {
        type = 'video/' + matches[1];
      }
    }

    if (type && source.codecs) {
      // Add codecs
      type += '; codecs="' + source.codecs + '"';
    }

    return type;
  };

  /**
   * Sort sources into qualities.
   *
   * @private
   * @static
   * @param {Array} sources
   * @param {Object} video
   * @returns {Object} Quality mapping
   */
  var getQualities = function (sources, video) {
    var qualities = {};
    var qualityIndex = 1;
    var lastQuality;

    // Cycle through sources
    for (var i = 0; i < sources.length; i++) {
      var source = sources[i];

      // Find and update type.
      var type = source.type = getType(source);

      // Check if we support this type
      var isPlayable = type && (type === 'video/unknown' || video.canPlayType(type) !== '');
      if (!isPlayable) {
        continue; // We cannot play this source
      }

      if (source.quality === undefined) {
        /**
         * No quality metadata. Create a quality tag to separate multiple sources of the same type,
         * e.g. if two mp4 files with different quality has been uploaded
         */

        if (lastQuality === undefined || qualities[lastQuality].source.type === type) {
          // Create a new quality tag
          source.quality = {
            name: 'q' + qualityIndex,
            label: (source.metadata && source.metadata.qualityName) ? source.metadata.qualityName : 'Quality ' + qualityIndex // TODO: l10n
          };
          qualityIndex++;
        }
        else {
          /**
           * Assumes quality already exists in a different format.
           * Uses existing label for this quality.
           */
          source.quality = qualities[lastQuality].source.quality;
        }
      }

      // Log last quality
      lastQuality = source.quality.name;

      // Look to see if quality exists
      var quality = qualities[lastQuality];
      if (quality) {
        // We have a source with this quality. Check if we have a better format.
        if (source.mime.split('/')[1] === PREFERRED_FORMAT) {
          quality.source = source;
        }
      }
      else {
        // Add new source with quality.
        qualities[source.quality.name] = {
          label: source.quality.label,
          source: source
        };
      }
    }

    return qualities;
  };

  /**
   * Set preferred video quality.
   *
   * @private
   * @static
   * @param {String} quality Index of preferred quality
   */
  var setPreferredQuality = function (quality) {
    try {
      localStorage.setItem('h5pVideoQuality', quality);
    }
    catch (err) {
      console.warn('Unable to set preferred video quality, localStorage is not available.');
    }
  };

  /**
   * Get preferred video quality.
   *
   * @private
   * @static
   * @returns {String} Index of preferred quality
   */
  var getPreferredQuality = function () {
    // First check localStorage
    let quality;
    try {
      quality = localStorage.getItem('h5pVideoQuality');
    }
    catch (err) {
      console.warn('Unable to retrieve preferred video quality from localStorage.');
    }
    if (!quality) {
      try {
        // The fallback to old cookie solution
        var settings = document.cookie.split(';');
        for (var i = 0; i < settings.length; i++) {
          var setting = settings[i].split('=');
          if (setting[0] === 'H5PVideoQuality') {
            quality = setting[1];
            break;
          }
        }
      }
      catch (err) {
        console.warn('Unable to retrieve preferred video quality from cookie.');
      }
    }
    return quality;
  };

  /**
   * Helps schedule a task for the next tick.
   * @param {function} task
   */
  var nextTick = function (task) {
    setTimeout(task, 0);
  };

  /** @constant {Boolean} */
  var OLD_ANDROID_FIX = false;

  /** @constant {Boolean} */
  var PREFERRED_FORMAT = 'mp4';

  /** @constant {Object} */
  var PLAYBACK_RATES = [0.25, 0.5, 1, 1.25, 1.5, 2];

  if (navigator.userAgent.indexOf('Android') !== -1) {
    // We have Android, check version.
    var version = navigator.userAgent.match(/AppleWebKit\/(\d+\.?\d*)/);
    if (version && version[1] && Number(version[1]) <= 534.30) {
      // Include fix for devices running the native Android browser.
      // (We don't know when video was fixed, so the number is just the lastest
      // native android browser we found.)
      OLD_ANDROID_FIX = true;
    }
  }
  else {
    if (navigator.userAgent.indexOf('Chrome') !== -1) {
      // If we're using chrome on a device that isn't Android, prefer the webm
      // format. This is because Chrome has trouble with some mp4 codecs.
      PREFERRED_FORMAT = 'webm';
    }
  }

  return Html5;
})(H5P.jQuery);

// Register video handler
H5P.videoHandlers = H5P.videoHandlers || [];
H5P.videoHandlers.push(H5P.VideoHtml5);
;
/** @namespace H5P */
H5P.VideoFlash = (function ($) {

  /**
   * Flash video player for H5P.
   *
   * @class
   * @param {Array} sources Video files to use
   * @param {Object} options Settings for the player
   */
  function Flash(sources, options) {
    var self = this;

    // Player wrapper
    var $wrapper = $('<div/>', {
      'class': 'h5p-video-flash',
      css: {
        width: '100%',
        height: '100%'
      }
    });

    /**
     * Used to display error messages
     * @private
     */
    var $error = $('<div/>', {
      'class': 'h5p-video-error'
    });

    /**
    * Keep track of current state when changing quality.
    * @private
    */
    var stateBeforeChangingQuality;
    var currentTimeBeforeChangingQuality;

    // Sort sources into qualities
    //var qualities = getQualities(sources);
    var currentQuality;

    // Create player options
    var playerOptions = {
      buffering: true,
      clip: {
        url: sources[0].path, // getPreferredQuality(),
        autoPlay: options.autoplay,
        autoBuffering: true,
        scaling: 'fit',
        onSeek: function () {
          if (stateBeforeChangingQuality) {
            // ????
          }
        },
        onMetaData: function () {
          setTimeout(function () {
            if (stateBeforeChangingQuality !== undefined) {
              fp.seek(currentTimeBeforeChangingQuality);
              if (stateBeforeChangingQuality === H5P.Video.PLAYING) {
                // Resume play
                fp.play();
              }

              // Done changing quality
              stateBeforeChangingQuality = undefined;

              // Remove any errors
              if ($error.is(':visible')) {
                $error.remove();
              }
            }
            else {
              self.trigger('ready');
              self.trigger('loaded');
            }
          }, 0); // Run on next tick
        },
        onBegin: function () {
          self.trigger('stateChange', H5P.Video.PLAYING);
        },
        onResume: function () {
          self.trigger('stateChange', H5P.Video.PLAYING);
        },
        onPause: function () {
          self.trigger('stateChange', H5P.Video.PAUSED);
        },
        onFinish: function () {
          self.trigger('stateChange', H5P.Video.ENDED);
        },
        onError: function (code, message) {
          console.log('ERROR', code, message); // TODO
          self.trigger('error', message);
        }
      },
      plugins: {
        controls: null
      },
      play: null, // Disable overlay controls
      onPlaylistReplace: function () {
        that.playlistReplaced();
      }
    };

    if (options.controls) {
      playerOptions.plugins.controls = {};
      delete playerOptions.play;
    }

    var fp = flowplayer($wrapper[0], {
      src: "http://releases.flowplayer.org/swf/flowplayer-3.2.16.swf",
      wmode: "opaque"
    }, playerOptions);

    /**
     * Appends the video player to the DOM.
     *
     * @public
     * @param {jQuery} $container
     */
    self.appendTo = function ($container) {
      $wrapper.appendTo($container);
    };

    /**
     * Get list of available qualities. Not available until after play.
     *
     * @public
     * @returns {Array}
     */
    self.getQualities = function () {
      return;
    };

    /**
     * Get current playback quality. Not available until after play.
     *
     * @public
     * @returns {String}
     */
    self.getQuality = function () {
      return currentQuality;
    };

    /**
     * Set current playback quality. Not available until after play.
     * Listen to event "qualityChange" to check if successful.
     *
     * @public
     * @params {String} [quality]
     */
    self.setQuality = function (quality) {
      if (qualities[quality] === undefined || quality === currentQuality) {
        return; // Invalid quality
      }

      // Keep track of last choice
      setPreferredQuality(quality);

      // Avoid multiple loaded events if changing quality multiple times.
      if (!stateBeforeChangingQuality) {
        // Keep track of last state
        stateBeforeChangingQuality = lastState;

        // Keep track of current time
        currentTimeBeforeChangingQuality = video.currentTime;
      }

      // Keep track of current quality
      currentQuality = quality;
      self.trigger('qualityChange', currentQuality);

      // Display throbber
      self.trigger('stateChange', H5P.Video.BUFFERING);

      // Change source
      fp.setClip(qualities[quality].source.path);
      fp.startBuffering();
    };

    /**
     * Starts the video.
     *
     * @public
     */
    self.play = function () {
      if ($error.is(':visible')) {
        return;
      }

      fp.play();
    };

    /**
     * Pauses the video.
     *
     * @public
     */
    self.pause = function () {
      fp.pause();
    };

    /**
     * Seek video to given time.
     *
     * @public
     * @param {Number} time
     */
    self.seek = function (time) {
      fp.seek(time);
    };

    /**
     * Get elapsed time since video beginning.
     *
     * @public
     * @returns {Number}
     */
    self.getCurrentTime = function () {
      return fp.getTime();
    };

    /**
     * Get total video duration time.
     *
     * @public
     * @returns {Number}
     */
    self.getDuration = function () {
      return fp.getClip().metaData.duration;
    };

    /**
     * Get percentage of video that is buffered.
     *
     * @public
     * @returns {Number} Between 0 and 100
     */
    self.getBuffered = function () {
      return fp.getClip().buffer;
    };

    /**
     * Turn off video sound.
     *
     * @public
     */
    self.mute = function () {
      fp.mute();
    };

    /**
     * Turn on video sound.
     *
     * @public
     */
    self.unMute = function () {
      fp.unmute();
    };

    /**
     * Check if video sound is turned on or off.
     *
     * @public
     * @returns {Boolean}
     */
    self.isMuted = function () {
      return fp.muted;
    };

    /**
     * Returns the video sound level.
     *
     * @public
     * @returns {Number} Between 0 and 100.
     */
    self.getVolume = function () {
      return fp.volumeLevel * 100;
    };

    /**
     * Set video sound level.
     *
     * @public
     * @param {Number} volume Between 0 and 100.
     */
    self.setVolume = function (level) {
      fp.volume(level / 100);
    };

    // Handle resize events
    self.on('resize', function () {
      var $object = H5P.jQuery(fp.getParent()).children('object');
      var clip = fp.getClip();

      if (clip !== undefined) {
        $object.css('height', $object.width() * (clip.metaData.height / clip.metaData.width));
      }
    });
  }

  /**
   * Check to see if we can play any of the given sources.
   *
   * @public
   * @static
   * @param {Array} sources
   * @returns {Boolean}
   */
  Flash.canPlay = function (sources) {
    // Cycle through sources
    for (var i = 0; i < sources.length; i++) {
      if (sources[i].mime === 'video/mp4' || /\.mp4$/.test(sources[i].mime)) {
        return true; // We only play mp4
      }
    }
  };

  return Flash;
})(H5P.jQuery);

// Register video handler
H5P.videoHandlers = H5P.videoHandlers || [];
H5P.videoHandlers.push(H5P.VideoFlash);
;
/** @namespace H5P */
H5P.Video = (function ($, ContentCopyrights, MediaCopyright, handlers) {

  /**
   * The ultimate H5P video player!
   *
   * @class
   * @param {Object} parameters Options for this library.
   * @param {Object} parameters.visuals Visual options
   * @param {Object} parameters.playback Playback options
   * @param {Object} parameters.a11y Accessibility options
   * @param {Boolean} [parameters.startAt] Start time of video 
   * @param {Number} id Content identifier
   */
  function Video(parameters, id) {
    var self = this;
    self.contentId = id;

    // Ref youtube.js - ipad & youtube - issue
    self.pressToPlay = false;

    // Reference to the handler
    var handlerName = '';

    // Initialize event inheritance
    H5P.EventDispatcher.call(self);

    // Default language localization
    parameters = $.extend(true, parameters, {
      l10n: {
        name: 'Video',
        loading: 'Video player loading...',
        noPlayers: 'Found no video players that supports the given video format.',
        noSources: 'Video source is missing.',
        aborted: 'Media playback has been aborted.',
        networkFailure: 'Network failure.',
        cannotDecode: 'Unable to decode media.',
        formatNotSupported: 'Video format not supported.',
        mediaEncrypted: 'Media encrypted.',
        unknownError: 'Unknown error.',
        invalidYtId: 'Invalid YouTube ID.',
        unknownYtId: 'Unable to find video with the given YouTube ID.',
        restrictedYt: 'The owner of this video does not allow it to be embedded.'
      }
    });

    parameters.a11y = parameters.a11y || [];
    parameters.playback = parameters.playback || {};
    parameters.visuals = $.extend(true, parameters.visuals, {
      disableFullscreen: false
    });

    /** @private */
    var sources = [];
    if (parameters.sources) {
      for (var i = 0; i < parameters.sources.length; i++) {
        // Clone to avoid changing of parameters.
        var source = $.extend(true, {}, parameters.sources[i]);

        // Create working URL without html entities.
        source.path = $cleaner.html(source.path).text();
        sources.push(source);
      }
    }

    /** @private */
    var tracks = [];
    parameters.a11y.forEach(function (track) {
      // Clone to avoid changing of parameters.
      var clone = $.extend(true, {}, track);

      // Create working URL without html entities
      if (clone.track && clone.track.path) {
        clone.track.path = $cleaner.html(clone.track.path).text();
        tracks.push(clone);
      }
    });

    /**
     * Attaches the video handler to the given container.
     * Inserts text if no handler is found.
     *
     * @public
     * @param {jQuery} $container
     */
    self.attach = function ($container) {
      $container.addClass('h5p-video').html('');

      if (self.appendTo !== undefined) {
        self.appendTo($container);
      }
      else {
        if (sources.length) {
          $container.text(parameters.l10n.noPlayers);
        }
        else {
          $container.text(parameters.l10n.noSources);
        }
      }
    };

    /**
     * Get name of the video handler
     *
     * @public
     * @returns {string}
     */
    self.getHandlerName = function() {
      return handlerName;
    };

    // Resize the video when we know its aspect ratio
    self.on('loaded', function () {
      self.trigger('resize');
    });

    // Find player for video sources
    if (sources.length) {
      const options = {
        controls: parameters.visuals.controls,
        autoplay: parameters.playback.autoplay,
        loop: parameters.playback.loop,
        fit: parameters.visuals.fit,
        poster: parameters.visuals.poster === undefined ? undefined : parameters.visuals.poster,
        startAt: parameters.startAt || 0,
        tracks: tracks,
        disableRemotePlayback: parameters.visuals.disableRemotePlayback === true,
        disableFullscreen: parameters.visuals.disableFullscreen === true
      }

      var html5Handler;
      for (var i = 0; i < handlers.length; i++) {
        var handler = handlers[i];
        if (handler.canPlay !== undefined && handler.canPlay(sources)) {
          handler.call(self, sources, options, parameters.l10n);
          handlerName = handler.name;
          return;
        }

        if (handler === H5P.VideoHtml5) {
          html5Handler = handler;
          handlerName = handler.name;
        }
      }

      // Fallback to trying HTML5 player
      if (html5Handler) {
        html5Handler.call(self, sources, options, parameters.l10n);
      }
    }
  }

  // Extends the event dispatcher
  Video.prototype = Object.create(H5P.EventDispatcher.prototype);
  Video.prototype.constructor = Video;

  // Player states
  /** @constant {Number} */
  Video.ENDED = 0;
  /** @constant {Number} */
  Video.PLAYING = 1;
  /** @constant {Number} */
  Video.PAUSED = 2;
  /** @constant {Number} */
  Video.BUFFERING = 3;
  /**
   * When video is queued to start
   * @constant {Number}
   */
  Video.VIDEO_CUED = 5;

  // Used to convert between html and text, since URLs have html entities.
  var $cleaner = H5P.jQuery('<div/>');

  /**
   * Help keep track of key value pairs used by the UI.
   *
   * @class
   * @param {string} label
   * @param {string} value
   */
  Video.LabelValue = function (label, value) {
    this.label = label;
    this.value = value;
  };

  /** @constant {Boolean} */
  Video.IE11_PLAYBACK_RATE_FIX = (navigator.userAgent.match(/Trident.*rv[ :]*11\./) ? true : false);

  return Video;
})(H5P.jQuery, H5P.ContentCopyrights, H5P.MediaCopyright, H5P.videoHandlers || []);
;
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e=this.editor?[]:s.options.video.textTracks&&s.options.video.textTracks.videoTrack?s.options.video.textTracks.videoTrack:[];if(s.video=H5P.newRunnable({library:"H5P.Video 1.3",params:{sources:s.options.video.files,visuals:{poster:s.options.video.startScreenOptions.poster,controls:s.justVideo,fit:!1,disableRemotePlayback:!0},startAt:o,a11y:e}},s.contentId,void 0,void 0,{parent:s}),s.justVideo)return void s.video.on("loaded",function(){s.trigger("resize")});s.video.on("loaded",function(){l=!0,s.loaded()}),s.video.on("error",function(){s.removeSplash()}),s.video.on("stateChange",function(e){!s.controls&&l&&(s.addControls(),s.trigger("resize"));var n=e.data;if(s.currentState!==i.SEEKING)switch(n){case H5P.Video.ENDED:s.currentState=H5P.Video.ENDED,s.controls.$play.addClass("h5p-pause").attr("aria-label",s.l10n.play),s.timeUpdate(s.video.getCurrentTime()),s.updateCurrentTime(s.getDuration());var o=s.interactions.map(function(t){return t.getProgress()||0}).reduce(function(t,e){return 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H5P.Video.BUFFERING:s.currentState=H5P.Video.BUFFERING,s.removeSplash(),s.startUpdatingBufferBar()}}),s.video.on("qualityChange",function(t){var e=t.data;if(s.controls&&s.controls.$qualityChooser){if("YouTube"===this.getHandlerName()){if(!s.qualities)return;var n=s.qualities.filter(function(e){return e.name===t.data})[0];return void s.controls.$qualityChooser.find("li").attr("data-quality",t.data).html(n.label)}s.controls.$qualityChooser.find("li").attr("aria-checked","false").filter('[data-quality="'+e+'"]').attr("aria-checked","true")}}),s.video.on("playbackRateChange",function(t){var e=t.data;s.controls&&s.controls.$playbackRateChooser&&s.controls.$playbackRateChooser.find("li").attr("aria-checked","false").filter('[playback-rate="'+e+'"]').attr("aria-checked","true")}),s.on("enterFullScreen",function(){var t=this;s.hasFullScreen=!0,s.$container.parent(".h5p-content").css("height","100%"),s.controls.$fullscreen.addClass("h5p-exit").attr("aria-label",s.l10n.exitFullscreen),s.controls.$fullscreen.blur(),s.controls.$fullscreen.focus(),s.resizeInteractions(),setTimeout(function(){void 0!==t.bubbleEndscreen&&t.bubbleEndscreen.update()},225)}),s.on("exitFullScreen",function(){s.$container.hasClass("h5p-standalone")&&s.$container.hasClass("h5p-minimal")&&s.pause(),s.hasFullScreen=!1,s.$container.parent(".h5p-content").css("height",""),s.controls.$fullscreen.removeClass("h5p-exit").attr("aria-label",s.l10n.fullscreen),s.controls.$fullscreen.blur(),s.controls.$fullscreen.focus(),s.resizeInteractions(),s.dnb&&s.dnb.dialog&&!s.hasUncompletedRequiredInteractions()&&s.dnb.dialog.close()}),s.video.on("captions",function(t){s.controls||(s.addControls(),s.trigger("resize")),s.setCaptionTracks(t.data)}),s.accessibility=new v.default(s.l10n)}},s.togglePlayPause=function(){var 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s.default("captions",t,i,"menuitemradio",e.l10n,e.contentId),e.controls.$captionsButton=k(e.captionsTrackSelector.control),e.popupMenuButtons.push(e.controls.$captionsButton),k(e.captionsTrackSelector.control).insertAfter(e.controls.$volume),k(e.captionsTrackSelector.popup).css(e.controlsCss).insertAfter(k(e.captionsTrackSelector.control)),e.popupMenuChoosers.push(k(e.captionsTrackSelector.popup)),k(e.captionsTrackSelector.overlayControl).insertAfter(e.controls.$qualityButtonMinimal),e.controls.$overlayButtons=e.controls.$overlayButtons.add(e.captionsTrackSelector.overlayControl),e.captionsTrackSelector.on("select",function(t){e.video.setCaptionsTrack("off"===t.data.value?null:t.data)}),e.captionsTrackSelector.on("close",function(){"true"===e.controls.$more.attr("aria-expanded")&&e.controls.$more.click(),e.resumeVideo()}),e.captionsTrackSelector.on("open",function(){e.controls.$overlayButtons.addClass("h5p-hide"),e.closePopupMenus(e.controls.$captionsButton)}),e.minimalMenuKeyboardControls.insertElementAt(e.captionsTrackSelector.overlayControl,2)},i.prototype.getCurrentState=function(){var t=this;if(t.video.play){var e={progress:t.video.getCurrentTime(),answers:[],interactionsProgress:t.interactions.slice().sort(function(t,e){return t.getDuration().from-e.getDuration().from}).map(function(t){return t.getProgress()})};if(void 0!==t.interactions)for(var n=0;n<t.interactions.length;n++)e.answers[n]=t.interactions[n].getCurrentState();return e.progress?e:t.previousState&&t.previousState.progress?t.previousState:void 0}},i.prototype.removeSplash=function(){void 0!==this.$splash&&(this.$splash.remove(),delete this.$splash)},i.prototype.attach=function(t){var e=this;this.$container=t,this.initialize(),void 0!==this.isRoot&&this.isRoot()&&this.setActivityStarted(),t.addClass("h5p-interactive-video").html(""),this.$videoWrapper.appendTo(t),this.$controls.appendTo(t);var n=!1;if(this.interactions&&this.interactions.forEach(function(t){t.reCreate(),t.isAnswerable()&&(n=!0)}),this.hasStar=this.editor||void 0!==this.options.assets.endscreens&&n,this.attachVideo(this.$videoWrapper),this.justVideo)return this.$videoWrapper.find("video").css("minHeight","200px"),void t.children(":not(.h5p-video-wrapper)").remove();this.$read.appendTo(t),this.readText=null,void 0===this.editor?(this.dnb=new H5P.DragNBar([],this.$videoWrapper,this.$container,{disableEditor:!0}),this.dnb.dialog.on("open",function(){e.lastState=e.currentState,e.currentState!==H5P.Video.PAUSED&&e.currentState!==H5P.Video.ENDED&&e.video.pause()}),this.dnb.dialog.on("close",function(){e.restoreTabIndexes(),e.lastState!==H5P.Video.PAUSED&&e.lastState!==H5P.Video.ENDED&&e.video.play(),e.handleAnswered()})):e.on("dnbEditorReady",function(){e.dnb=e.editor.dnb,e.dnb.dialog.disableOverlay=!0}),this.video.pressToPlay||(this.currentState===i.LOADED?this.addControls():this.addSplash()),t.attr("tabindex","-1");var o=function(t,n){var o=e.controls&&e.controls[n]?e.controls[n]:void 0;return!(void 0!==o&&"-1"!==o.attr("tabindex"))||"INPUT"===t.target.nodeName};(0,d.onKey)(t,[{key:d.Keys.M}],function(t){o(t,"$volume")||e.toggleMute(!1)}),(0,d.onKey)(t,[{key:d.Keys.K}],function(t){if(!o(t,"$play"))if(e.hasUncompletedRequiredInteractions()){var n=k(document.activeElement),i=e.showWarningMask();i.find(".h5p-button-back").click(function(){return n.focus()})}else e.togglePlayPause()}),this.$container.append(k(this.accessibility.getInteractionAnnouncer())),this.currentState=i.ATTACHED,this.autoplay&&e.video.play()},i.prototype.attachVideo=function(t){this.video.attach(t),this.justVideo||(this.$overlay=k('<div class="h5p-overlay h5p-ie-transparent-background"></div>').appendTo(t))},i.prototype.addSplash=function(){var t=this;void 0!==this.editor||this.video.pressToPlay||!this.video.play||this.$splash||(this.$splash=k('<div class="h5p-splash-wrapper"><div class="h5p-splash-outer"><div class="h5p-splash" role="button" tabindex="0"><div class="h5p-splash-main"><div class="h5p-splash-main-outer"><div class="h5p-splash-main-inner"><div class="h5p-splash-play-icon" aria-label="'+this.l10n.play+'"></div><div class="h5p-splash-title">'+this.options.video.startScreenOptions.title+'</div></div></div></div><div class="h5p-splash-footer"><div class="h5p-splash-footer-holder"><div class="h5p-splash-description">'+t.startScreenOptions.shortStartDescription+"</div></div></div></div></div></div>").click(function(){t.video.play()}).appendTo(this.$overlay).find(".h5p-interaction-button").click(function(){return!1}).end(),k(".h5p-splash",this.$splash).keydown(function(e){(0,d.isSpaceOrEnterKey)(e)&&(t.video.play(),e.preventDefault(),t.$controls.find(".h5p-play").focus())}),void 0!==this.startScreenOptions.shortStartDescription&&this.startScreenOptions.shortStartDescription.length||this.$splash.addClass("no-description"),this.startScreenOptions.hideStartTitle&&this.$splash.addClass("no-title"))},i.prototype.getDuration=function(){return void 0===this.duration&&(this.duration=this.video.getDuration()),this.duration},i.prototype.addControls=function(){var t=this,e=this;this.addSplash(),this.attachControls(this.$controls.removeClass("hidden"));var n=this.getDuration(),o=i.humanizeTime(n),r=i.formatTimeForA11y(n,e.l10n);this.controls.$totalTime.find(".human-time").html(o),this.controls.$totalTime.find(".hidden-but-read").html(e.l10n.totalTime+" "+r),this.controls.$slider.slider("option","max",n),this.bookmarkMenuKeyboardControls=new l.default([new u.default]),this.bookmarkMenuKeyboardControls.on("close",function(){return t.toggleBookmarksChooser(!1)}),this.endscreenMenuKeyboardControls=new l.default([new u.default]),this.endscreenMenuKeyboardControls.on("close",function(){return t.toggleEndscreensChooser(!1)}),this.addSliderInteractions(),this.addBookmarks(),this.addEndscreenMarkers(),this.addBubbles(),this.trigger("controls")},i.prototype.loaded=function(){var t=this.getDuration();if(this.oneSecondInPercentage=100/t,t=Math.floor(t),void 0!==this.editor){var e=w("interactions",this.editor.field.fields),n=w("duration",e.field.fields).fields;n[0].max=n[1].max=t,n[0].min=n[1].min=0;for(var o=w("adaptivity",e.field.fields).fields,r=0;r<o.length;r++)o[r].fields&&(w("seekTo",o[r].fields).max=t)}if(this.hasMainSummary()){var s=t-this.options.summary.displayAt;s<0&&(s=0),void 0===this.options.assets.interactions&&(this.options.assets.interactions=[]),this.options.assets.interactions.push({action:this.options.summary.task,x:80,y:80,duration:{from:s,to:t},displayType:"button",bigDialog:!0,className:"h5p-summary-interaction h5p-end-summary",label:"<p>"+this.l10n.summary+"</p>",mainSummary:!0}),this.initInteraction(this.options.assets.interactions.length-1)}this.currentState===i.ATTACHED&&(this.video.pressToPlay||this.addControls(),this.trigger("resize")),this.currentState=i.LOADED},i.prototype.initInteraction=function(t){var e=this,n=e.options.assets.interactions[t];if(e.override){var o={};n.adaptivity&&n.adaptivity.requireCompletion&&(o.enableRetry=!0),H5P.jQuery.extend(n.action.params.behaviour,e.override,o)}var i;void 0!==e.previousState&&void 0!==e.previousState.answers&&null!==e.previousState.answers[t]&&(i=e.previousState.answers[t]);var r=new p.default(n,e,i);return r.on("display",function(t){var n=t.data;n.appendTo(e.$overlay),r.repositionToWrapper(e.$videoWrapper);var o=void 0!==e.video.pressToPlay;S(o?100:null,function(){(e.currentState===H5P.Video.PLAYING||e.currentState===H5P.Video.BUFFERING)&&r.pause()&&(e.focusInteraction||(e.focusInteraction=r),e.video.pause())}),e.seekingTo&&(e.seekingTo=void 0,n.focus()),setTimeout(function(){r.positionLabel(e.$videoWrapper.width())},0),e.toggleEndscreen(!1)}),r.on("hide",function(){e.handleAnswered()}),r.on("xAPI",function(t){var n=t.getVerb();"interacted"===n&&this.setProgress(p.default.PROGRESS_INTERACTED),-1!==k.inArray(n,["completed","answered"])&&t.setVerb("answered"),void 0===t.data.statement.context.extensions&&(t.data.statement.context.extensions={}),t.data.statement.context.extensions["http://id.tincanapi.com/extension/ending-point"]="PT"+Math.floor(e.video.getCurrentTime())+"S"}),e.interactions.push(r),r},i.prototype.handleAnswered=function(){var t=this;t.interactions.forEach(function(e){e.getProgress()===p.default.PROGRESS_INTERACTED&&(e.setProgress(p.default.PROGRESS_ANSWERED),e.$menuitem.addClass("h5p-interaction-answered"),t.hasStar&&(t.playStarAnimation(),t.playBubbleAnimation(t.l10n.answered.replace("@answered","<strong>"+t.getAnsweredTotal()+"</strong>")),t.endscreen.update(t.interactions)))})},i.prototype.getAnsweredTotal=function(){return this.interactions.filter(function(t){return t.getProgress()===p.default.PROGRESS_ANSWERED}).length},i.prototype.hasMainSummary=function(){var t=this.options.summary;return!(void 0===t||void 0===t.displayAt||void 0===t.task||void 0===t.task.params||void 0===t.task.params.summaries||!t.task.params.summaries.length||void 0===t.task.params.summaries[0].summary||!t.task.params.summaries[0].summary.length)},i.prototype.addSliderInteractions=function(){var t=this,e=this;this.controls.$interactionsContainer.children().remove(),H5P.jQuery.extend([],this.interactions).sort(function(t,e){return t.getDuration().from-e.getDuration().from}).forEach(function(n){var o=n.addDot();e.menuitems.push(o),void 0===e.previousState&&e.interactionsProgress.push(void 0),e.interactionsProgress[e.menuitems.length-1]===p.default.PROGRESS_ANSWERED&&(n.setProgress(e.interactionsProgress[e.menuitems.length-1]),o.addClass("h5p-interaction-answered")),void 0!==o&&(o.appendTo(t.controls.$interactionsContainer),t.preventSkipping||t.interactionKeyboardControls.addElement(o.get(0)))})},i.prototype.closePopupMenus=function(t){this.popupMenuButtons.forEach(function(e){void 0!==e&&e!==t&&void 0===e.attr("aria-disabled")&&"true"===e.attr("aria-expanded")&&e.click()})},i.prototype.displayBookmarks=function(){return this.options.assets.bookmarks&&this.options.assets.bookmarks.length&&!this.preventSkipping},i.prototype.addBookmarks=function(){if(this.bookmarksMap={},void 0!==this.options.assets.bookmarks&&!this.preventSkipping)for(var t=0;t<this.options.assets.bookmarks.length;t++)this.addBookmark(t)},i.prototype.addEndscreenMarkers=function(){if(this.endscreensMap={},void 0!==this.options.assets.endscreens)for(var t=0;t<this.options.assets.endscreens.length;t++)this.addEndscreen(t);this.editor&&this.editor.freshVideo&&(this.endscreensMap[this.getDuration()]||this.editor.addEndscreen(this.getDuration(),!0))},i.prototype.addBubbles=function(){var t=this;!this.editor&&this.hasStar&&(this.bubbleScore=new b.default(this.$star),this.endscreen=new y.default(this,{l10n:{title:this.l10n.endcardTitle,information:this.l10n.endcardInformation,informationNoAnswers:this.l10n.endcardInformationNoAnswers,informationMustHaveAnswer:this.l10n.endcardInformationMustHaveAnswer,submitButton:this.l10n.endcardSubmitButton,submitMessage:this.l10n.endcardSubmitMessage,tableRowAnswered:this.l10n.endcardTableRowAnswered,tableRowScore:this.l10n.endcardTableRowScore,answeredScore:this.l10n.endcardAnsweredScore,tableRowSummary:this.l10n.endCardTableRowSummary,tableRowSummaryWithoutScore:this.l10n.endCardTableRowSummaryWithoutScore}}),this.endscreen.update(this.interactions),this.bubbleEndscreen=new b.default(this.$star,{content:this.endscreen.getDOM(),focus:function(){return t.endscreen.focus()},maxWidth:"auto",style:"h5p-interactive-video-bubble-endscreen",mode:"full"}))},i.prototype.toggleBookmarksChooser=function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{keepStopped:!1,firstPlay:!1};if(this.controls.$bookmarksButton){t=void 0===t?!this.controls.$bookmarksChooser.hasClass("h5p-show"):t;var n=this.controls.$bookmarksChooser.hasClass("h5p-show");this.controls.$minimalOverlay.toggleClass("h5p-show",t),this.controls.$minimalOverlay.find(".h5p-minimal-button").toggleClass("h5p-hide",t),this.controls.$bookmarksButton.attr("aria-expanded",!!t&&"true"),this.controls.$more.attr("aria-expanded",t?"true":"false"),this.controls.$bookmarksChooser.css({maxHeight:t?this.controlsCss.maxHeight:"32px"}).toggleClass("h5p-show",t).toggleClass("h5p-transitioning",t||n)}t?(this.closePopupMenus(this.controls.$bookmarksButton),this.controls.$bookmarksChooser.find('[tabindex="0"]').first().focus(),this.editor&&(this.interruptVideo(),this.updateChooserTime(this.controls.$bookmarksChooser,".h5p-add-bookmark"))):e.firstPlay||(this.editor&&!e.keepStopped&&this.resumeVideo(),this.controls.$bookmarksChooser.hasClass("h5p-show")||this.controls.$bookmarksButton.focus())},i.prototype.toggleEndscreensChooser=function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{keepStopped:!1,firstPlay:!1};if(this.editor&&this.controls.$endscreensButton){t=void 0===t?!this.controls.$endscreensChooser.hasClass("h5p-show"):t;var n=this.controls.$endscreensChooser.hasClass("h5p-show");this.controls.$minimalOverlay.toggleClass("h5p-show",t),this.controls.$minimalOverlay.find(".h5p-minimal-button").toggleClass("h5p-hide",t),this.controls.$endscreensButton.attr("aria-expanded",t?"true":"false").toggleClass("h5p-star-active-editor",t),this.controls.$more.attr("aria-expanded",t?"true":"false");var o=-10+Math.min(0,this.$container.outerWidth()-this.controls.$endscreensChooser.parent().offset().left-this.controls.$endscreensChooser.outerWidth())+"px";this.controls.$endscreensChooser.css({maxHeight:t?this.controlsCss.maxHeight:"32px"}).css({left:o}).toggleClass("h5p-show",t).toggleClass("h5p-transitioning",t||n)}t?(this.closePopupMenus(this.controls.$endscreensButton),this.editor&&(this.interruptVideo(),this.updateChooserTime(this.controls.$endscreensChooser,".h5p-add-endscreen")),this.controls.$endscreensChooser.find('[tabindex="0"]').first().focus()):e.firstPlay||(this.editor&&!e.keepStopped&&this.resumeVideo(),this.controls.$endscreensChooser.hasClass("h5p-show")||this.controls.$endscreensButton.focus())},i.prototype.updateChooserTime=function(t,e){var n=t.find(e);n.html(n.data("default").replace("@timecode",i.humanizeTime(this.video.getCurrentTime())))},i.prototype.interruptVideo=function(){this.currentState===H5P.Video.PLAYING&&(this.interruptedTemporarily=!0,this.video.pause())},i.prototype.resumeVideo=function(t){if(!t){if(!this.interruptedTemporarily)return;if(this.popupMenuChoosers.some(function(t){return t.hasClass("h5p-show")}))return}this.interruptedTemporarily=!1,this.video.play()},i.prototype.toggleEndscreen=function(t){!this.editor&&this.hasStar&&t!==this.bubbleEndscreen.isActive()&&(t=void 0===t?!this.bubbleEndscreen.isActive():t,t?(this.disableTabIndexes(".h5p-interactive-video-endscreen"),this.stateBeforeEndscreen=this.currentState,this.video.pause()):(this.restoreTabIndexes(),this.controls.$endscreensButton.focus(),this.stateBeforeEndscreen===H5P.Video.PLAYING&&(this.video.play(),this.stateBeforeEndscreen=void 0)),this.controls.$endscreensButton.toggleClass("h5p-star-active",t),this.bubbleEndscreen.toggle(t,!0))},i.prototype.showPreventSkippingMessage=function(t){var e=this;e.preventSkippingWarningTimeout||(e.$preventSkippingMessage||(e.$preventSkippingMessage=k("<div>",{class:"h5p-prevent-skipping-message",appendTo:e.controls.$bookmarksContainer}),e.$preventSkippingMessage=k("<div>",{class:"h5p-prevent-skipping-message",appendTo:e.controls.$endscreensContainer}),e.$preventSkippingMessageText=k("<div>",{class:"h5p-prevent-skipping-message-text",html:e.l10n.navDisabled,appendTo:e.$preventSkippingMessage}),e.$preventSkippingMessageTextA11y=k("<div>",{class:"hidden-but-read",html:e.l10n.navDisabled,appendTo:e.controls.$slider})),e.$preventSkippingMessage.css("left",t),setTimeout(function(){e.$preventSkippingMessage.addClass("h5p-show").attr("aria-hidden","false")},0),e.preventSkippingWarningTimeout=setTimeout(function(){e.$preventSkippingMessage.removeClass("h5p-show").attr("aria-hidden","true"),setTimeout(function(){e.preventSkippingWarningTimeout=void 0},500)},2e3))},i.prototype.onBookmarkSelect=function(t,e){var n=this;n.currentState!==H5P.Video.PLAYING&&(t.mouseover().mouseout(),setTimeout(function(){n.timeUpdate(n.video.getCurrentTime())},0)),"true"===n.controls.$more.attr("aria-expanded")&&n.$container.hasClass("h5p-minimal")?n.controls.$more.click():n.toggleBookmarksChooser(!1),n.video.play(),n.seek(e.time);var o=i.formatTimeForA11y(e.time,n.l10n);setTimeout(function(){return n.read(n.l10n.currentTime+" "+o)},150)},i.prototype.onEndscreenSelect=function(t,e){var n=this;n.currentState!==H5P.Video.PLAYING&&(t.mouseover().mouseout(),setTimeout(function(){n.timeUpdate(n.video.getCurrentTime())},0)),"true"===n.controls.$more.attr("aria-expanded")&&n.$container.hasClass("h5p-minimal")?n.controls.$more.click():n.toggleEndscreensChooser(!1),n.video.play(),n.seek(e.time);var o=i.formatTimeForA11y(e.time,n.l10n);setTimeout(function(){return n.read(n.l10n.currentTime+" "+o)},150)},i.prototype.addBookmark=function(t,e){var n=this,o=n.options.assets.bookmarks[t];void 0===e&&(e=Math.floor(10*o.time)/10);var i=n.bookmarksMap[e]=k('<div class="h5p-bookmark" style="left:'+o.time*n.oneSecondInPercentage+'%"><div class="h5p-bookmark-label"><div class="h5p-bookmark-text">'+o.label+"</div></div></div>").appendTo(n.controls.$bookmarksContainer).data("id",t).hover(function(){void 0!==n.bookmarkTimeout&&clearTimeout(n.bookmarkTimeout),n.controls.$bookmarksContainer.children(".h5p-show").removeClass("h5p-show"),i.addClass("h5p-show")},function(){n.bookmarkTimeout=setTimeout(function(){i.removeClass("h5p-show")},n.editor?1e3:2e3)});i.find(".h5p-bookmark-label").css("maxWidth",parseInt(n.controls.$slider.parent().css("marginRight"))-35),void 0===n.controls.$bookmarksList&&(n.controls.$bookmarksList=k('<ul role="menu"></ul>').insertAfter(n.controls.$bookmarksChooser.find("h3")));var r=k('<li role="menuitem" aria-describedby="'+n.bookmarksMenuId+'">'+o.label+"</li>").click(function(){return n.onBookmarkSelect(i,o)}).keydown(function(t){(0,d.isSpaceOrEnterKey)(t)&&n.onBookmarkSelect(i,o),t.stopPropagation()});n.bookmarkMenuKeyboardControls.addElement(r.get(0));var s=n.controls.$bookmarksList.children(":eq("+t+")");return 0!==s.length?r.insertBefore(s):r.appendTo(n.controls.$bookmarksList),n.on("bookmarksChanged",function(o){var s=o.data.index,a=o.data.number;s===t&&a<0?(r.remove(),delete n.bookmarksMap[e]):t>=s&&(t+=a,i.data("id",t))}),n.trigger("bookmarkAdded",{bookmark:i}),i},i.prototype.addEndscreen=function(t,e){var n=this,o=n.options.assets.endscreens[t];void 0===e&&(e=Math.floor(10*o.time)/10);var i;if(!this.editor)return n.getDuration()-e<1&&(e=n.getDuration()),void(i=n.endscreensMap[e]=!0);i=n.endscreensMap[e]=k('<div class="h5p-endscreen" style="left:'+o.time*n.oneSecondInPercentage+'%"><div class="h5p-endscreen-label"><div class="h5p-endscreen-text">'+o.label+"</div></div></div>").appendTo(n.controls.$endscreensContainer).data("id",t).hover(function(){void 0!==n.endscreenTimeout&&clearTimeout(n.endscreenTimeout),n.controls.$endscreensContainer.children(".h5p-show").removeClass("h5p-show"),i.addClass("h5p-show")},function(){n.endscreenTimeout=setTimeout(function(){i.removeClass("h5p-show")},n.editor?1e3:2e3)}),n.editor&&(n.endscreenTimeout=setTimeout(function(){i.removeClass("h5p-show")},1e3)),i.find(".h5p-endscreen-label").css("maxWidth",parseInt(n.controls.$slider.parent().css("marginRight"))-35),void 0===n.controls.$endscreensList&&(n.controls.$endscreensList=k('<ul role="menu"></ul>').insertAfter(n.controls.$endscreensChooser.find("h3")));var r=k('<li role="menuitem" aria-describedby="'+n.endscreensMenuId+'">'+o.label+"</li>").click(function(){return n.onEndscreenSelect(i,o)}).keydown(function(t){(0,d.isSpaceOrEnterKey)(t)&&n.onEndscreenSelect(i,o),t.stopPropagation()});n.endscreenMenuKeyboardControls.addElement(r.get(0));var s=n.controls.$endscreensList.children(":eq("+t+")");return 0!==s.length?r.insertBefore(s):r.appendTo(n.controls.$endscreensList),n.on("endscreensChanged",function(o){var s=o.data.index,a=o.data.number;s===t&&a<0?(r.remove(),delete n.endscreensMap[e]):t>=s&&(t+=a,i.data("id",t))}),n.trigger("endscreenAdded",{endscreen:i}),i},i.prototype.attachControls=function(t){var e=this,n=k("<div/>",{class:"h5p-controls-left",appendTo:t}),o=k("<div/>",{class:"h5p-control h5p-slider",appendTo:t});e.hasStar&&(e.$star=k("<div/>",{class:"h5p-control h5p-star",appendTo:t}),e.$starBar=k("<div/>",{class:"h5p-control h5p-star h5p-star-bar",appendTo:e.$star}),k("<div/>",{class:"h5p-control h5p-star h5p-star-background",appendTo:e.$star}),e.$starAnimation=k("<div/>",{class:"h5p-control h5p-star h5p-star-animation h5p-star-animation-inactive",appendTo:e.$star}));var r=k("<div/>",{class:"h5p-controls-right",appendTo:t});e.preventSkipping&&e.setDisabled(o),e.controls={},e.controls.$play=e.createButton("play","h5p-control h5p-pause",n,e.togglePlayPause),e.showRewind10&&(e.controls.$rewind10=e.createButton("rewind10","h5p-control",n,function(){if(e.video.getCurrentTime()>0){var t=Math.max(e.video.getCurrentTime()-10,0);e.seek(t),e.currentState===H5P.Video.PAUSED&&e.timeUpdate(t),e.currentState===H5P.Video.ENDED&&e.video.play()}}));var s=function(){var t=e.$container.hasClass("h5p-minimal")&&"true"===e.controls.$more.attr("aria-expanded");return t&&e.controls.$more.click(),t},a=function(t,n){return function(){var o=e.controls[t],i=e.controls[n],r="true"===o.attr("aria-disabled"),a="true"===o.attr("aria-expanded");r||(a?(o.attr("aria-expanded","false"),i.hasClass("h5p-show")||o.focus(),i.removeClass("h5p-show"),s(),e.resumeVideo()):(o.attr("aria-expanded","true"),i.addClass("h5p-show"),i.find('[tabindex="0"]').focus(),e.closePopupMenus(o)))}},c=e.editor||e.displayBookmarks();if(c&&(e.controls.$bookmarksChooser=H5P.jQuery("<div/>",{class:"h5p-chooser h5p-bookmarks",role:"dialog",html:'<h3 id="'+e.bookmarksMenuId+'">'+e.l10n.bookmarks+"</h3>"}),e.popupMenuChoosers.push(e.controls.$bookmarksChooser),e.controls.$bookmarksChooser.append(k("<span>",{role:"button",class:"h5p-chooser-close-button",tabindex:"0","aria-label":e.l10n.close,click:function(){return e.toggleBookmarksChooser()},keydown:function(t){(0,d.isSpaceOrEnterKey)(t)&&(e.toggleBookmarksChooser(),t.preventDefault())}})),e.showRewind10&&e.controls.$bookmarksChooser.addClass("h5p-rewind-displacement"),e.controls.$bookmarksButton=e.createButton("bookmarks","h5p-control",n,function(){e.toggleBookmarksChooser()}),e.controls.$bookmarksButton.attr("aria-haspopup","true"),e.controls.$bookmarksButton.attr("aria-expanded","false"),e.controls.$bookmarksChooser.insertAfter(e.controls.$bookmarksButton),e.controls.$bookmarksChooser.bind("transitionend",function(){e.controls.$bookmarksChooser.removeClass("h5p-transitioning")}),e.popupMenuButtons.push(e.controls.$bookmarksButton)),e.hasStar){var h=e.editor?"star h5p-star-foreground-editor":"star h5p-star-foreground",p=e.editor?function(){return e.toggleEndscreensChooser()}:function(){return e.toggleEndscreen()};e.controls.$endscreensButton=e.createButton(h,"h5p-control",e.$star,p),e.controls.$endscreensButton.attr("aria-label",e.l10n.summary),e.popupMenuButtons.push(e.controls.$endscreensButton)}e.editor&&(e.controls.$endscreensChooser=H5P.jQuery("<div/>",{class:"h5p-chooser h5p-endscreens",role:"dialog",html:'<h3 id="'+e.endscreensMenuId+'">'+e.l10n.endscreens+"</h3>"}),e.popupMenuChoosers.push(e.controls.$endscreensChooser),e.controls.$endscreensChooser.append(k("<span>",{role:"button",class:"h5p-chooser-close-button",tabindex:"0","aria-label":e.l10n.close,click:function(){return e.toggleEndscreensChooser()},keydown:function(t){(0,d.isSpaceOrEnterKey)(t)&&(e.toggleEndscreensChooser(),t.preventDefault())}})),e.hasStar&&(e.controls.$endscreensButton.attr("aria-haspopup","true").attr("aria-expanded","false"),e.controls.$endscreensChooser.insertAfter(e.controls.$endscreensButton).bind("transitionend",function(){e.controls.$endscreensChooser.removeClass("h5p-transitioning")})));var f='<time class="h5p-current">\n      <span class="hidden-but-read"></span>\n      <span class="human-time" aria-hidden="true">0:00</span>\n    </time>',v=k('<div class="h5p-control h5p-simple-time">'+f+"</div>").appendTo(n);e.controls.$currentTimeSimple=v.find(".human-time"),e.controls.$currentTimeA11ySimple=v.find(".hidden-but-read");var m=i.formatTimeForA11y(0,e.l10n),b=k('<div class="h5p-control h5p-time">\n    '+f+'\n    <span aria-hidden="true"> / </span>\n    <time class="h5p-total">\n      <span class="hidden-but-read">'+e.l10n.totalTime+" "+m+'</span>\n      <span class="human-time" aria-hidden="true">0:00</span>\n    </time>\n  </div>').appendTo(r),g=b.find(".h5p-current");e.controls.$currentTime=g.find(".human-time"),e.controls.$currentTimeA11y=g.find(".hidden-but-read"),e.controls.$totalTime=b.find(".h5p-total"),e.updateCurrentTime(0);var y=function(){e.controls.$minimalOverlay.removeClass("h5p-show"),e.controls.$more.attr("aria-expanded","false"),e.controls.$more.focus(),setTimeout(function(){e.controls.$overlayButtons.removeClass("h5p-hide")},150)};e.controls.$more=e.createButton("more","h5p-control",r,function(){"true"===e.controls.$more.attr("aria-expanded")?y():(e.controls.$minimalOverlay.addClass("h5p-show"),e.controls.$more.attr("aria-expanded","true"),e.removeSplash(),setTimeout(function(){e.controls.$minimalOverlay.find('[tabindex="0"]').focus()},150)),e.closePopupMenus()}),e.controls.$playbackRateChooser=H5P.jQuery("<div/>",{class:"h5p-chooser h5p-playbackRate",role:"dialog",html:'<h3 id="'+e.playbackRateMenuId+'">'+e.l10n.playbackRate+"</h3>"}),e.popupMenuChoosers.push(e.controls.$playbackRateChooser);var $=function(){e.isMinimal?e.controls.$more.click():e.controls.$playbackRateButton.click(),e.resumeVideo()};e.controls.$playbackRateChooser.append(k("<span>",{role:"button",class:"h5p-chooser-close-button",tabindex:"0","aria-label":e.l10n.close,click:function(){return $()},keydown:function(t){(0,d.isSpaceOrEnterKey)(t)&&($(),t.preventDefault())}})),e.controls.$playbackRateButton=e.createButton("playbackRate","h5p-control",r,a("$playbackRateButton","$playbackRateChooser")),e.popupMenuButtons.push(e.controls.$playbackRateButton),e.setDisabled(e.controls.$playbackRateButton),e.controls.$playbackRateButton.attr("aria-haspopup","true"),e.controls.$playbackRateButton.attr("aria-expanded","false"),e.controls.$playbackRateChooser.insertAfter(e.controls.$playbackRateButton),function(){return-1!==navigator.userAgent.indexOf("Android")}()||function(){return-1!==navigator.userAgent.indexOf("iPad")}()||(e.controls.$volume=e.createButton("mute","h5p-control",r,e.toggleMute),e.deactivateSound&&(e.controls.$volume.addClass("h5p-muted").attr("aria-label",e.l10n.sndDisabled),e.setDisabled(e.controls.$volume))),e.deactivateSound&&e.video.mute(),e.controls.$qualityChooser=H5P.jQuery("<div/>",{class:"h5p-chooser h5p-quality",role:"dialog",html:'<h3 id="'+e.qualityMenuId+'">'+e.l10n.quality+"</h3>"}),e.popupMenuChoosers.push(e.controls.$qualityChooser);var w=function(){e.isMinimal?e.controls.$more.click():e.controls.$qualityButton.click(),e.resumeVideo()};e.controls.$qualityChooser.append(k("<span>",{role:"button",class:"h5p-chooser-close-button",tabindex:"0","aria-label":e.l10n.close,click:function(){return w()},keydown:function(t){(0,d.isSpaceOrEnterKey)(t)&&(w(),t.preventDefault())}})),e.controls.$qualityButton=e.createButton("quality","h5p-control",r,a("$qualityButton","$qualityChooser")),e.popupMenuButtons.push(e.controls.$qualityButton),e.setDisabled(e.controls.$qualityButton),e.controls.$qualityButton.attr("aria-haspopup","true"),e.controls.$qualityButton.attr("aria-expanded","false"),e.controls.$qualityChooser.insertAfter(e.controls.$qualityButton),e.editor||!1===H5P.fullscreenSupported||(e.controls.$fullscreen=e.createButton("fullscreen","h5p-control",r,function(){e.toggleFullScreen()})),e.controls.$minimalOverlay=H5P.jQuery("<div/>",{class:"h5p-minimal-overlay",appendTo:e.$container});var S=H5P.jQuery("<div/>",{role:"menu",class:"h5p-minimal-wrap",appendTo:e.controls.$minimalOverlay});e.minimalMenuKeyboardControls=new l.default([new u.default]),e.minimalMenuKeyboardControls.on("close",function(){return y()}),e.controls.$overlayButtons=H5P.jQuery([]),c&&(e.controls.$bookmarkButtonMinimal=e.createButton("bookmarks","h5p-minimal-button",S,function(){e.controls.$overlayButtons.addClass("h5p-hide"),e.toggleBookmarksChooser(!0)},!0),e.controls.$bookmarkButtonMinimal.attr("role","menuitem"),e.controls.$bookmarkButtonMinimal.attr("tabindex","-1"),e.controls.$overlayButtons=e.controls.$overlayButtons.add(e.controls.$bookmarkButtonMinimal),e.minimalMenuKeyboardControls.addElement(e.controls.$bookmarkButtonMinimal.get(0))),e.controls.$qualityButtonMinimal=e.createButton("quality","h5p-minimal-button",S,function(){e.isDisabled(e.controls.$qualityButton)||(e.controls.$overlayButtons.addClass("h5p-hide"),e.controls.$qualityButton.click())},!0),e.setDisabled(e.controls.$qualityButtonMinimal),e.controls.$qualityButtonMinimal.attr("role","menuitem"),e.controls.$overlayButtons=e.controls.$overlayButtons.add(e.controls.$qualityButtonMinimal),e.minimalMenuKeyboardControls.addElement(e.controls.$qualityButtonMinimal.get(0)),e.controls.$playbackRateButtonMinimal=e.createButton("playbackRate","h5p-minimal-button",S,function(){e.isDisabled(e.controls.$playbackRateButton)||(e.controls.$overlayButtons.addClass("h5p-hide"),e.controls.$playbackRateButton.click())},!0),e.controls.$playbackRateButtonMinimal.attr("role","menuitem"),e.setDisabled(e.controls.$playbackRateButtonMinimal),e.controls.$overlayButtons=e.controls.$overlayButtons.add(e.controls.$playbackRateButtonMinimal),e.minimalMenuKeyboardControls.addElement(e.controls.$playbackRateButtonMinimal.get(0)),e.addQualityChooser(),e.addPlaybackRateChooser(),e.interactionKeyboardControls=new l.default([new u.default]),e.controls.$interactionsContainer=k("<div/>",{role:"menu",class:"h5p-interactions-container","aria-label":e.l10n.interaction}),e.controls.$bookmarksContainer=k("<div/>",{class:"h5p-bookmarks-container",appendTo:o}),e.controls.$endscreensContainer=k("<div/>",{class:"h5p-endscreens-container",appendTo:o}),e.hasPlayPromise=!1,e.hasQueuedPause=!1,e.delayed=!1,e.controls.$slider=k("<div/>",{appendTo:o}).slider({value:0,step:.01,orientation:"horizontal",range:"min",max:0,create:function(t){var n=k(t.target).find(".ui-slider-handle");n.attr("role","slider").attr("aria-valuemin","0").attr("aria-valuemax",e.getDuration().toString()).attr("aria-valuetext",i.formatTimeForA11y(0,e.l10n)).attr("aria-valuenow","0"),e.preventSkipping&&e.setDisabled(n).attr("aria-hidden","true")},start:function(){e.currentState!==i.SEEKING&&(e.toggleEndscreen(!1),e.delayedState||(e.currentState===H5P.Video.ENDED?e.lastState=H5P.Video.PLAYING:e.currentState===H5P.Video.BUFFERING&&e.lastState||(e.lastState=e.currentState)),e.delayedState=!0,clearTimeout(e.delayTimeout),e.delayTimeout=setTimeout(function(){e.delayedState=!1},200),e.hasPlayPromise?e.hasQueuedPause=!0:e.video.pause(),e.currentState=i.SEEKING,e.removeSplash(),e.$overlay.addClass("h5p-visible"))},slide:function(t,n){var o=(0,d.isKey)(t,[d.Keys.ARROW_LEFT,d.Keys.ARROW_RIGHT]),i=n.value;if(o){var r=(0,d.isKey)(t,[d.Keys.ARROW_RIGHT]),s=e.getDuration();i=r?Math.min(i+5,s):Math.max(i-5,0),e.timeUpdate(i,!0)}return e.seek(i),e.updateInteractions(i),e.updateCurrentTime(i),!o},stop:function(t,n){e.currentState=e.lastState,e.seek(n.value),e.recreateCurrentInteractions();var o=e.lastState===H5P.Video.PLAYING||e.lastState===H5P.Video.VIDEO_CUED||e.hasQueuedPause;if(e.hasPlayPromise)e.hasQueuedPause=!1;else if(o){e.hasQueuedPause=!1;var i=e.video.play();e.hasQueuedPause=!1,i&&i.then?(e.hasPlayPromise=!0,i.then(function(){setTimeout(function(){(e.hasQueuedPause||e.hasActivePauseInteraction())&&e.video.pause(),e.hasPlayPromise=!1},0)})):e.hasActivePauseInteraction()&&(e.video.play(),setTimeout(function(){e.video.pause()},50))}else e.timeUpdate(n.value);e.$overlay.removeClass("h5p-visible"),e.editor&&(e.updateChooserTime(e.controls.$bookmarksChooser,".h5p-add-bookmark"),e.updateChooserTime(e.controls.$endscreensChooser,".h5p-add-endscreen"))}}),e.controls.$interactionsContainer.appendTo(o),e.preventSkipping&&(e.controls.$slider.slider("disable"),e.controls.$slider.click(function(t){return e.showPreventSkippingMessage(t.offsetX),!1})),e.displayBookmarks()&&e.showBookmarksmenuOnLoad&&!1===e.video.pressToPlay&&e.toggleBookmarksChooser(!0),e.controls.$buffered=k("<div/>",{class:"h5p-buffered",prependTo:e.controls.$slider})},i.prototype.playStarAnimation=function(){var t=this;this.$starAnimation.hasClass("h5p-star-animation-inactive")&&(this.$starAnimation.removeClass("h5p-star-animation-inactive").addClass("h5p-star-animation-active"),setTimeout(function(){t.$starAnimation.removeClass("h5p-star-animation-active").addClass("h5p-star-animation-inactive")},1e3))},i.prototype.playBubbleAnimation=function(t){this.bubbleScore.setContent(t),this.bubbleScore.animate()},i.prototype.hasActivePauseInteraction=function(){var t=!1;return this.interactions.forEach(function(e){e.getElement()&&e.pause()&&(t=!0)}),t},i.prototype.createButton=function(t,e,n,o,i){var r=this,s={role:"button",tabindex:0,class:(void 0===e?"":e+" ")+"h5p-"+t,on:{click:function(){o.call(this)},keydown:function(t){(0,d.isSpaceOrEnterKey)(t)&&(o.call(this),t.preventDefault(),t.stopPropagation())}},appendTo:n};return s[i?"text":"aria-label"]=r.l10n[t],H5P.jQuery("<div/>",s)},i.prototype.addQualityChooser=function(){var t=this;if(t.qualityMenuKeyboardControls=new l.default([new u.default]),t.qualityMenuKeyboardControls.on("close",function(){return t.controls.$qualityButton.click()}),this.video.getQualities&&(t.qualities=this.video.getQualities(),t.qualities&&void 0!==this.controls.$qualityButton&&t.isDisabled(t.controls.$qualityButton))){var e=this.video.getQuality(),n=t.qualities;"YouTube"===this.video.getHandlerName()&&(n=n.filter(function(t){return t.name===e}));for(var o="",i=0;i<n.length;i++){var r=n[i],s=r.name===e;o+='<li role="menuitemradio" data-quality="'+r.name+'" aria-checked="'+s+'" aria-describedby="'+t.qualityMenuId+'">'+r.label+"</li>"}var a=k('<ul role="menu">'+o+"</ul>").appendTo(this.controls.$qualityChooser);a.children().click(function(){var e=k(this).attr("data-quality");t.updateQuality(e)}).keydown(function(e){if((0,d.isSpaceOrEnterKey)(e)){var n=k(this).attr("data-quality");t.updateQuality(n)}e.stopPropagation()});a.find("li").get().forEach(function(e){t.qualityMenuKeyboardControls.addElement(e);var n="true"===e.getAttribute("aria-checked");$(e,n)}),t.removeDisabled(this.controls.$qualityButton.add(this.controls.$qualityButtonMinimal))}},i.prototype.updateQuality=function(t){var e=this;e.video.setQuality(t),"true"===e.controls.$more.attr("aria-expanded")?e.controls.$more.click():(e.controls.$qualityButton.click(),e.controls.$qualityButton.focus())},i.prototype.addPlaybackRateChooser=function(){var t=this,e=this;if(this.playbackRateMenuKeyboardControls=new l.default([new u.default]),this.playbackRateMenuKeyboardControls.on("close",function(){return e.controls.$playbackRateButton.click()}),this.video.getPlaybackRates){var n=this.video.getPlaybackRates();if(!(n.length<2)&&n&&void 0!==this.controls.$playbackRateButton&&e.isDisabled(this.controls.$playbackRateButton)){for(var o=this.video.getPlaybackRate(),i="",r=0;r<n.length;r++){var s=n[r];i+='<li role="menuitemradio" playback-rate="'+s+'" aria-checked="'+(s===o)+'" aria-describedby="'+e.playbackRateMenuId+'">'+s+"</li>"}var a=k('<ul role="menu">'+i+"</ul>").appendTo(this.controls.$playbackRateChooser);a.children().click(function(){var t=k(this).attr("playback-rate");e.updatePlaybackRate(t)}).keydown(function(t){if((0,d.isSpaceOrEnterKey)(t)){var n=k(this).attr("playback-rate");e.updatePlaybackRate(n)}t.stopPropagation()}),a.find("li").get().forEach(function(e){t.playbackRateMenuKeyboardControls.addElement(e);var n="true"===e.getAttribute("aria-checked");$(e,n)}),e.removeDisabled(this.controls.$playbackRateButton.add(this.controls.$playbackRateButtonMinimal))}}},i.prototype.updatePlaybackRate=function(t){var e=this;e.video.setPlaybackRate(t),"true"===e.controls.$more.attr("aria-expanded")?e.controls.$more.click():e.controls.$playbackRateButton.click()},i.prototype.startUpdatingBufferBar=function(){var t=this;if(!t.bufferLoop){!function e(){var n=t.video.getBuffered();n&&t.controls.$buffered&&(t.controls.$buffered.css("width",n+"%"),t.hasStar&&(n>99?t.$starBar.addClass("h5p-star-bar-buffered"):t.$starBar.removeClass("h5p-star-bar-buffered"))),t.bufferLoop=setTimeout(e,500)}()}},i.prototype.resize=function(){if(this.$container){var t=this.$container.hasClass("h5p-fullscreen")||this.$container.hasClass("h5p-semi-fullscreen");this.$videoWrapper.css({marginTop:"",marginLeft:"",width:"",height:""}),this.video.trigger("resize");var e,n,o=this.justVideo?0:this.$controls.height(),i=this.$container.height();if(t){if((n=this.$videoWrapper.height())+o<=i)this.$videoWrapper.css("marginTop",(i-o-n)/2),e=this.$videoWrapper.width(),void 0!==this.bubbleEndscreen&&this.bubbleEndscreen.fullscreen(!0,i,n);else{var r=this.$videoWrapper.width()/n,s=i-o;e=s*r,this.$videoWrapper.css({marginLeft:(this.$container.width()-e)/2,width:e,height:s}),void 0!==this.bubbleEndscreen&&this.bubbleEndscreen.fullscreen(!0)}this.video.trigger("resize")}else e=this.$container.width(),void 0!==this.bubbleEndscreen&&this.bubbleEndscreen.fullscreen();this.scaledFontSize=e>this.width?this.fontSize*(e/this.width):this.fontSize,this.$container.css("fontSize",this.scaledFontSize+"px"),this.editor||(e<this.width?this.$container.hasClass("h5p-minimal")||this.$container.addClass("h5p-minimal"):this.$container.hasClass("h5p-minimal")&&this.$container.removeClass("h5p-minimal")),this.isMinimal=this.$container.hasClass("h5p-minimal");var a=this.$videoWrapper.height();if(this.controlsCss={bottom:"",maxHeight:a+"px"},t){var l=o;n+o<=i&&(l=o+(i-o-n)/2),this.controlsCss.bottom=l+"px"}this.controls&&this.controls.$minimalOverlay&&this.controls.$minimalOverlay.css(this.controlsCss),this.$container.find(".h5p-chooser").css(this.controlsCss),this.editor?this.editor.dnb&&this.editor.dnb.dnr.setContainerEm(this.scaledFontSize):(this.resizeMobileView(),void 0!==this.$splash&&this.resizeStartScreen()),this.bubbleScore&&(this.bubbleScore.update(),this.bubbleEndscreen.update()),this.resizeInteractions()}},i.prototype.resizeMobileView=function(){if(!isNaN(this.currentState)){if(this.$container.width()/parseInt(this.$container.css("font-size"),10)<30){if(this.resizeInteractions(),!this.isMobileView){if(this.$container.addClass("mobile"),this.isMobileView=!0,this.hasUncompletedRequiredInteractions()){var t=k(".h5p-dialog",this.$container);t.show()}else this.restoreTabIndexes(),this.dnb.dialog.closeOverlay();this.recreateCurrentInteractions()}}else if(this.isMobileView){if(this.dnb&&this.dnb.dialog&&!this.hasUncompletedRequiredInteractions()){this.dnb.dialog.close(!0);var e=this.$container.find(".h5p-dialog .h5p-image img");e.css({width:"",height:""})}this.$container.removeClass("mobile"),this.isMobileView=!1,this.recreateCurrentInteractions()}}},i.prototype.resizeInteractions=function(){if(!isNaN(this.currentState)){var t=this;this.interactions.forEach(function(e){e.resizeInteraction(),e.repositionToWrapper(t.$videoWrapper),e.positionLabel(t.$videoWrapper.width())})}},i.prototype.recreateCurrentInteractions=function(){void 0!==this.dnb&&this.dnb.blurAll(),this.interactions.forEach(function(t){t.reCreateInteraction()})},i.prototype.resizeStartScreen=function(){var t=50,e=!0,n=!0;void 0!==this.startScreenOptions.shortStartDescription&&this.startScreenOptions.shortStartDescription.length||(e=!1,this.startScreenOptions.hideStartTitle&&(n=!1,t=45));var o=k(".h5p-splash-description",this.$splash),i=k(".h5p-splash-title",this.$splash),r=o.clone().css("position","absolute").addClass("minimum-font-size").appendTo(o.parent()),s=i.clone().css("position","absolute").addClass("minimum-font-size").appendTo(i.parent()),a=parseInt(r.css("font-size"),10),l=parseInt(s.css("font-size"),10),c=this.$container.width(),u=parseInt(c/t,10);e||(n&&u<a?u=a:u<10&&(u=10)),c<510?this.$splash.addClass("mobile"):this.$splash.removeClass("mobile"),.8*u<a?o.addClass("minimum-font-size"):o.removeClass("minimum-font-size"),1.5*u<l?i.addClass("minimum-font-size"):i.removeClass("minimum-font-size"),this.$splash.css("font-size",u),r.remove(),s.remove()},i.prototype.toggleFullScreen=function(){var t=this;H5P.isFullscreen||this.$container.hasClass("h5p-fullscreen")||this.$container.hasClass("h5p-semi-fullscreen")?void 0!==H5P.exitFullScreen&&void 0!==H5P.fullScreenBrowserPrefix?H5P.exitFullScreen():(void 0===H5P.fullScreenBrowserPrefix?k(".h5p-disable-fullscreen").click():""===H5P.fullScreenBrowserPrefix?window.top.document.exitFullScreen():"ms"===H5P.fullScreenBrowserPrefix?window.top.document.msExitFullscreen():window.top.document[H5P.fullScreenBrowserPrefix+"CancelFullScreen"](),t.trigger("exitFullScreen")):(H5P.fullScreen(this.$container,this),void 0===H5P.exitFullScreen&&t.trigger("enterFullScreen")),this.resizeInteractions()},i.prototype.timeUpdate=function(t,e){var n=this;if(t>=0)try{var o=n.controls.$slider.find(".ui-slider-handle"),r=i.formatTimeForA11y(t,n.l10n);n.controls.$slider.slider("option","value",t),o.attr("aria-valuetext",r),o.attr("aria-valuenow",t.toString())}catch(t){return}n.updateInteractions(t),e||setTimeout(function(){(n.currentState===H5P.Video.PLAYING||n.currentState===H5P.Video.BUFFERING&&n.lastState===H5P.Video.PLAYING)&&n.timeUpdate(n.video.getCurrentTime())},40)},i.prototype.updateInteractions=function(t){var e=this,n=Math.floor(10*t)/10;if(n!==e.lastTenth){void 0!==e.bookmarksMap&&void 0!==e.bookmarksMap[n]&&e.bookmarksMap[n].mouseover().mouseout();(function(){return void 0!==e.endscreensMap&&void 0!==e.endscreensMap[n]&&e.currentState!==i.SEEKING})()&&e.getAnsweredTotal()>0&&e.toggleEndscreen(!0)}e.lastTenth=n,e.toggleInteractions(t);var o=Math.floor(t);o!==e.lastSecond&&(e.currentState!==H5P.Video.PLAYING&&e.currentState!==H5P.Video.PAUSED||e.updateCurrentTime(o)),e.lastSecond=o},i.prototype.updateCurrentTime=function(t){var e=this;t=Math.max(t,0);var n=i.humanizeTime(t),o=i.formatTimeForA11y(t,e.l10n);e.controls.$currentTime.html(n),e.controls.$currentTimeA11y.html(e.l10n.currentTime+" "+o),e.controls.$currentTimeSimple.html(n),e.controls.$currentTimeA11ySimple.html(e.l10n.currentTime+" "+o)},i.prototype.getUsersScore=function(){for(var t=0,e=0;e<this.interactions.length;e++)this.interactions[e].score&&(t+=this.interactions[e].score);return t},i.prototype.getUsersMaxScore=function(){for(var t=0,e=0;e<this.interactions.length;e++)this.interactions[e].maxScore&&(t+=this.interactions[e].maxScore);return t},i.prototype.getScore=function(){return this.getUsersScore()},i.prototype.getMaxScore=function(){return this.getUsersMaxScore()},i.prototype.showOverlayMask=function(){var t=this;t.$videoWrapper.addClass("h5p-disable-opt-out"),t.disableTabIndexes(),t.dnb.dialog.openOverlay(),t.restorePosterTabIndexes(),t.$container.find(".h5p-dialog-wrapper").click(function(){t.hasUncompletedRequiredInteractions()&&t.showWarningMask()}),t.toggleFocusTrap()},i.prototype.restorePosterTabIndexes=function(){var t=this;t.$overlay.find(".h5p-interaction.h5p-poster").each(function(){t.restoreTabIndexes(k(this))})},i.prototype.disableTabIndexes=function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:".h5p-dialog-wrapper",e=this,n=e.$container.find(t);e.$tabbables=e.$container.find("a[href], area[href], input:not([disabled]), select:not([disabled]), textarea:not([disabled]), button:not([disabled]), iframe, object, embed, *[tabindex], *[contenteditable]").filter(function(){var t=k(this),e=k.contains(n.get(0),t.get(0));if(t.data("tabindex"))return!0;if(!e){var o=t.attr("tabindex");return t.data("tabindex",o),t.attr("tabindex","-1"),!0}return!1})},i.prototype.restoreTabIndexes=function(t){var e=this;e.$tabbables&&(e.$tabbables.each(function(){var e=k(this),n=e.data("tabindex");if(t&&!k.contains(t.get(0),e.get(0)))return!0;e.hasClass("ui-slider-handle")?(e.attr("tabindex",0),e.removeData("tabindex")):void 0!==n?(e.attr("tabindex",n),e.removeData("tabindex")):e.removeAttr("tabindex")}),t||(e.$tabbables=void 0))},i.prototype.toggleFocusTrap=function(){var t=this,e=this.getVisibleInteractions().filter(function(t){return t.getRequiresCompletion()&&!t.hasFullScore()});e.length>0?this.$container.off("focusin").on("focusin",function(n){return t.trapFocusInInteractions(e,k(n.target))}):this.$container.off("focusin","**")},i.prototype.trapFocusInInteractions=function(t,e){var n=t.some(function(t){var n=t.getElement();return x(n,e)}),o=!!this.$mask&&x(this.$mask,e);if(!n&&!o){var i=t[0].getElement();i&&i.focus()}},i.prototype.hideOverlayMask=function(){var t=this;return t.restoreTabIndexes(),t.dnb.dialog.closeOverlay(),t.$videoWrapper.removeClass("h5p-disable-opt-out"),t.toggleFocusTrap(),t.$container.find(".h5p-dialog-wrapper")},i.prototype.showWarningMask=function(){var t=this,e="interactive-video-"+t.contentId+"-"+t.instanceIndex+"-completion-warning-text";return t.$mask||(t.$mask=k('<div class="h5p-warning-mask" role="alertdialog" aria-describedby="'+e+'">\n        <div class="h5p-warning-mask-wrapper">\n          <div id="'+e+'" class="h5p-warning-mask-content">'+t.l10n.requiresCompletionWarning+'</div>\n          <button type="button" class="h5p-joubelui-button h5p-button-back">'+t.l10n.back+"</button>\n        </div>\n      </div>").click(function(){t.$mask.hide()}).appendTo(t.$container)),t.$mask.show(),t.$mask.find(".h5p-button-back").focus(),t.$mask},i.prototype.setDisabled=function(t){return t.attr("aria-disabled","true").attr("tabindex","-1")},i.prototype.isDisabled=function(t){return"true"===t.attr("aria-disabled")},i.prototype.removeDisabled=function(t){return t.removeAttr("aria-disabled").attr("tabindex","0")},i.prototype.hasUncompletedRequiredInteractions=function(t){var e=this;return(void 0!==t?e.getVisibleInteractionsAt(t):e.getVisibleInteractions()).some(function(t){return t.getRequiresCompletion()&&!t.hasFullScore()})},i.prototype.getVisibleInteractions=function(){return this.interactions.filter(function(t){return t.isVisible()})},i.prototype.getVisibleInteractionsAt=function(t){return this.interactions.filter(function(e){return e.visibleAt(t)})},i.prototype.showSolutions=function(){},i.prototype.getTitle=function(){return H5P.createTitle(this.contentData&&this.contentData.metadata&&this.contentData.metadata.title?this.contentData.metadata.title:"Interactive Video")},i.prototype.findNextInteractionToShow=function(t,e){for(var n=void 0,o=0;o<this.interactions.length;o++){var i=this.interactions[o].getDuration();if(this.interactions[o].visibleAt(t)&&!this.interactions[o].isVisible()){n=o;break}(i.from>t||i.from==t&&(void 0===e||o>e))&&(void 0===n||i.from<this.interactions[n].getDuration().from)&&(n=o)}return n},i.prototype.findNextInteractionToHide=function(t){for(var e=void 0,n=0;n<this.visibleInteractions.length;n++){var o=this.interactions[this.visibleInteractions[n]].getDuration();(void 0===e||o.to<this.interactions[this.visibleInteractions[e]].getDuration().to)&&(e=n)}return e},i.prototype.hideInteractions=function(t){void 0===this.nextInteractionToHide&&(this.nextInteractionToHide=this.findNextInteractionToHide(t));for(var e=void 0!==this.nextInteractionToHide?this.interactions[this.visibleInteractions[this.nextInteractionToHide]]:null;e&&!e.visibleAt(t);)e.toggle(t),this.visibleInteractions.splice(this.nextInteractionToHide,1),this.nextInteractionToHide=this.findNextInteractionToHide(t),e=void 0!==this.nextInteractionToHide?this.interactions[this.visibleInteractions[this.nextInteractionToHide]]:null},i.prototype.showInteractions=function(t){void 0===this.nextInteractionToShow&&(this.nextInteractionToShow=this.findNextInteractionToShow(t));for(var e=[],n=void 0!==this.nextInteractionToShow?this.interactions[this.nextInteractionToShow]:null;n&&n.getDuration().from<=t;)n.toggle(t),n.repositionToWrapper(this.$videoWrapper),this.visibleInteractions.push(this.nextInteractionToShow),this.nextInteractionToHide=void 0,e.push(n),this.nextInteractionToShow=this.findNextInteractionToShow(t,this.nextInteractionToShow),n=void 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