(function(){if(typeof Spry=="undefined")window.Spry={};if(!Spry.Utils)Spry.Utils={};Spry.Utils.ImageLoader=function()
{this.queue=[];this.timerID=0;this.currentEntry=null;};Spry.Utils.ImageLoader.prototype.start=function()
{if(!this.timerID)
{var self=this;this.timerID=setTimeout(function()
{self.timerID=0;self.processQueue();},0);}};Spry.Utils.ImageLoader.prototype.stop=function()
{if(this.currentEntry)
{var entry=this.currentEntry;entry.loader.onload=null;entry.loader.src="";entry.loader=null;this.currentEntry=null;this.queue.unshift(entry);}
if(this.timerID)
clearTimeout(this.timerID);this.timerID=0;};Spry.Utils.ImageLoader.prototype.clearQueue=function()
{this.stop();this.queue.length=0;};Spry.Utils.ImageLoader.prototype.load=function(url,callback,priority)
{if(url)
{if(typeof priority=="undefined")
priority=0;this.queue.push({url:url,callback:callback,priority:priority});this.queue.sort(function(a,b){return(a.priority>b.priority)?-1:((a.priority<b.priority)?1:0);});this.start();}};Spry.Utils.ImageLoader.prototype.processQueue=function()
{if(this.queue.length<1)
return;var entry=this.currentEntry=this.queue.shift();var loader=entry.loader=new Image;var self=this;loader.onload=function()
{self.currentEntry=null;if(entry.callback)
entry.callback(entry.url,entry.loader);if(self.queue.length>0)
self.start();};loader.onerror=function()
{self.currentEntry=null;if(self.queue.length>0)
self.start();};this.currentLoader=loader;loader.src=entry.url;};})();