(function($){$.preLoadImages=function(imageList,callback){var pic=[],i,total,loaded=0;if(typeof imageList!='undefined'){if($.isArray(imageList)){total=imageList.length;for(i=0;i<total;i++){pic[i]=new Image();pic[i].onload=function(){loaded++;if(loaded==total){if($.isFunction(callback)){callback();}}};pic[i].src=imageList[i];}}
else{pic[0]=new Image();pic[0].onload=function(){if($.isFunction(callback)){callback();}}
pic[0].src=imageList;}}
pic=undefined;};$.preLoadCSSImages=function(callback){var pic=[],i,imageList=[],loaded=0,total,regex=new RegExp("url\((.*)\)",'i'),spl;var cssSheets=document.styleSheets,path,myRules,Rule,match,txt,img,sheetIdx,ruleIdx;for(sheetIdx=0;sheetIdx<cssSheets.length;sheetIdx++){var sheet=cssSheets[sheetIdx];if(typeof sheet.href=='string'&&sheet.href.length>0){spl=sheet.href.split('/');spl.pop();path=spl.join('/')+'/';}
else{path='./';}
myRules=sheet.cssRules?sheet.cssRules:sheet.rules;for(ruleIdx=0;ruleIdx<myRules.length;ruleIdx++){Rule=myRules[ruleIdx];txt=Rule.cssText?Rule.cssText:Rule.style.cssText;match=regex.exec(txt);if(match!=null){img=match[1].substring(1,match[1].indexOf(')',1));if(img.substring(0,4)=='http'){imageList[imageList.length]=img;}
else if(match[1].substring(1,2)=='/'){var p2=path.split('/');p2.pop();p2.pop();p2x=p2.join("/");imageList[imageList.length]=p2x+img;}
else{imageList[imageList.length]=path+img;}}};};total=imageList.length;for(i=0;i<total;i++){pic[i]=new Image();pic[i].onload=function(){loaded++;if(loaded==total){if($.isFunction(callback)){callback();}}};pic[i].src=imageList[i];}};$.preLoadAllImages=function(imageList,callback){if(typeof imageList!='undefined'){if($.isFunction(imageList)){callback=imageList;}
else if(!$.isArray(imageList)){imageList=[imageList];}}
$.preLoadCSSImages(function(){if(imageList.length>0){$.preLoadImages(imageList,function(){callback();});}
else{callback();}});}})(jQuery);