var loader=new Image();function ImgLoader(A){this.path=A;this.loadid=0;loader.onload=Delegate.create(this,this.loaded)}ImgLoader.prototype.init=function(A){this.add(0)};ImgLoader.prototype.add=function(A){loader.src=this.path[A]};ImgLoader.prototype.loaded=function(){this.loadid++;if(this.loadid>=this.path.length){this.onDone()}else{this.add(this.loadid)}};ImgLoader.prototype.onDone=function(){};function Rotator(){this.rotator=document.getElementById("rotator");this.intervalID=0;this.num=5;this.curr=0;this.img=["zhai/images/index/b1.gif","zhai/images/index/b2.gif","zhai/images/index/b3.gif","zhai/images/index/b4.gif","zhai/images/index/b5.gif"];this.btn=[document.getElementById("b1"),document.getElementById("b2"),document.getElementById("b3"),document.getElementById("b4"),document.getElementById("b5")];this.rotator.innerHTML="<a href=\""+this.btn[0].href+"\"><img src=\""+this.img[0]+"\" target=\"_blank\" /></a>";var A=new ImgLoader(this.img);A.onDone=Delegate.create(this,this.init);A.init()}Rotator.prototype.init=function(){for(var A=0;A<this.num;A++){this.btn[A].onmouseover=Delegate.create(this,this.pause,A);this.btn[A].onmouseout=Delegate.create(this,this.play)}this.btn[0].className="selected";this.play()};Rotator.prototype.pause=function(B,A){if(!isNaN(A)){B=A}if(this.curr!=B){this.btn[this.curr].className="";this.btn[B].className="selected";this.curr=B}this.rotator.innerHTML="<a href=\""+this.btn[this.curr].href+"\" target=\"_blank\"><img src=\""+this.img[this.curr]+"\" /></a>";clearInterval(this.intervalID)};Rotator.prototype.play=function(){clearInterval(this.intervalID);this.intervalID=window.setInterval(Delegate.create(this,this.change),5000)};Rotator.prototype.change=function(){this.btn[this.curr].className="";this.curr++;if(this.curr>=this.num){this.curr=0}this.btn[this.curr].className="selected";this.rotator.innerHTML="<a href=\""+this.btn[this.curr].href+"\" target=\"_blank\"><img src=\""+this.img[this.curr]+"\" /></a>"};var r=new Rotator()