var html5Preloader=(function(global){if(!global.XMLHttpRequest)
var XMLHttpRequest=function(){try{return new ActiveXObject("Msxml2.XMLHTTP.6.0");}
catch(e){}
try{return new ActiveXObject("Msxml2.XMLHTTP.3.0");}
catch(e){}
return false;};else
var XMLHttpRequest=global.XMLHttpRequest;function isIn(needle,haystack)
{for(var i=0;i<haystack.length;i++)
if(haystack[i]===needle)
return true;return false;}
function bindOnce(elem,evName,callback){return elem.addEventListener(evName,function listener(){elem.removeEventListener(evName,listener);return callback.apply(this,arguments);},true);}
return function html5Preloader()
{var that=this,filesData=[],fileLoadingList=[],playableAudioTypes=[],playableVideoTypes=[],nonplayableAudioTypes=[],nonplayableVideoTypes=[],audioElementSupport,audioMimeTypes,audioFileExtensions,videoElementSupport,videoMimeTypes,videoFileExtensions,SND,VID,i,supportedImageTypes=['jpg','png','apng','tiff','svg','jpeg','pnga','gif'];this.addFiles=function()
{var i,n,filepathSplit,fileIdentifier,filepath,fileExtensionSplit,filesDataType,previousState,firstAlternate,alternates=[];for(i=0;i<arguments.length;i++)
{alternates=[];filepathSplit=arguments[i].split('*:');fileIdentifier=filepathSplit[0];filepath=filepathSplit[filepathSplit.length-1].split('||');for(n=0;n<filepath.length;n++)
{fileExtensionSplit=filepath[n].split('.');fileExtensionSplit=fileExtensionSplit[fileExtensionSplit.length-1].toLowerCase();filesDataType=getType(fileExtensionSplit);if(filesDataType!='unsupported')
alternates.push({datatype:filesDataType,filepath:filepath[n]});}
if(firstAlternate=alternates.shift())
fileLoadingList.push({identifier:fileIdentifier,datatype:firstAlternate.datatype,filepath:firstAlternate.filepath,alternates:alternates});}
if(fileLoadingList.length>0)
{previousState=that.active;that.active=true;if(!previousState)
that.loadSequence();}};this.loadSequence=function()
{if(fileLoadingList.length<1)
{that.active=false;that.filesLoaded=0;that.nowLoading='';return that.onfinish();}
cf=fileLoadingList.shift();if(!that.removeFile(cf.identifier))
that.filesLoaded++;that.nowLoading=cf.identifier;if(cf.datatype=='audio')
return loadAudio(cf);if(cf.datatype=='video')
return loadVideo(cf);if(cf.datatype=='image')
return loadImage(cf);if(cf.datatype=='document')
return loadDocument(cf);};function getType(ext)
{if(isIn(ext,playableAudioTypes))
return'audio';if(isIn(ext,playableVideoTypes))
return'video';if(isIn(ext,nonplayableAudioTypes)||isIn(ext,nonplayableVideoTypes))
return'unsupported';if(isIn(ext,supportedImageTypes))
return'image';return'document';}
function loadAudio(filedata){var snd,theloader
try
{snd=new Audio();}catch(e){snd=document.createElement('audio');}
snd.src=filedata.filepath;theloader=that;bindOnce(snd,'canplaythrough',function(){theloader.loadSequence();});snd.onerror=function(e){theloader.triggerError(e);};filesData.push({identifier:filedata.identifier,filepath:filedata.filepath,datatype:filedata.datatype,alternates:filedata.alternates,data:snd});snd.load();}
function loadVideo(filedata){var vid,theloader;try
{vid=new Video();}catch(e){vid=document.createElement('video');}
vid.src=filedata.filepath;theloader=that;bindOnce(vid,'canplaythrough',function(){theloader.loadSequence();});vid.addEventListener('canplaythrough',function(){theloader.loadSequence();},true);vid.onerror=function(e){theloader.triggerError(e);};filesData.push({identifier:filedata.identifier,filepath:filedata.filepath,datatype:filedata.datatype,alternates:filedata.alternates,data:vid});vid.load();}
function loadImage(filedata)
{var img=new Image(),theloader=that;img.src=filedata.filepath;img.onload=function(){theloader.loadSequence();};img.onerror=function(e){theloader.triggerError(e);};filesData.push({identifier:filedata.identifier,filepath:filedata.filepath,datatype:filedata.datatype,alternates:filedata.alternates,data:img});}
function loadDocument(filedata)
{filesData.push({identifier:filedata.identifier,filepath:filedata.filepath,datatype:filedata.datatype,alternates:filedata.alternates,data:false});var theloader=that,thedata=filesData[filesData.length-1],xhr=new XMLHttpRequest(),fp=filedata.filepath;if(!xhr)
theloader.triggerError('XHR not available.');fp+=((fp.indexOf('?')===-1)?'?':'&')+'sprrnd='+Math.floor(Math.random()*99999);xhr.onreadystatechange=function(){if(this.readyState==4&&this.status==200)
{thedata.data=this.responseXML||this.responseText||'';if(!thedata.data)
return;theloader.loadSequence();}};xhr.onerror=function(e){theloader.triggerError(e);};xhr.open('GET',fp);xhr.send();}
this.triggerError=function(e)
{var i,currentFile,currentAlternate;for(i=0;i<filesData.length;i++)if(filesData[i].identifier==that.nowLoading)
{currentFile=filesData[i];break;}
if(currentFile.alternates.length>0)
{currentAlternate=currentFile.alternates.shift();currentFile.filepath=currentAlternate.filepath;currentFile.datatype=currentAlternate.datatype;fileLoadingList.unshift(currentFile);that.removeFile(that.nowLoading);return that.loadSequence();}
if(this.active&&this.onerror(e))
that.loadSequence();}
this.getProgress=function()
{return that.filesLoaded/(that.filesLoaded+fileLoadingList.length);};this.getFile=function(id)
{for(var i=0;i<filesData.length;i++)
if(filesData[i].identifier==id)
return filesData[i].data;};this.removeFile=function(id)
{for(var i=0;i<filesData.length;i++)
if(filesData[i].identifier==id)
return filesData.splice(i,1);return false;};audioElementSupport=!!(document.createElement('audio').canPlayType);audioMimeTypes=['audio/mpeg','audio/ogg','audio/wav'];audioFileExtensions=[['mp3'],['ogg'],['wav']];videoElementSupport=!!(document.createElement('video').canPlayType);videoMimeTypes=['video/mp4','video/ogg','video/divx'];videoFileExtensions=[['mp4','mpeg','mpg'],['ogv','oga'],['dvx','divx','xdiv']];if(audioElementSupport)
{SND=document.createElement('audio');for(i=0;i<audioMimeTypes.length;i++)
if('no' !=SND.canPlayType(audioMimeTypes[i])&&'' !=SND.canPlayType(audioMimeTypes[i]))
playableAudioTypes=playableAudioTypes.concat(audioFileExtensions[i]);else
nonplayableAudioTypes=nonplayableAudioTypes.concat(audioFileExtensions[i]);}
if(videoElementSupport)
{VID=document.createElement('video');for(i=0;i<videoMimeTypes.length;i++)
if('no' !=VID.canPlayType(videoMimeTypes[i])&&'' !=VID.canPlayType(videoMimeTypes[i]))
playableVideoTypes=playableVideoTypes.concat(videoFileExtensions[i]);else
nonplayableVideoTypes=nonplayableVideoTypes.concat(videoFileExtensions[i]);}
this.addFiles.apply(this,arguments);}})(this);html5Preloader.prototype={active:false,filesLoaded:0,nowLoading:'',version:0.54,onfinish:function(){},onerror:function(e){return true;}};