window.onload=netease;
	var brOK = false;
	var mie = false;
	var aver = parseInt(navigator.appVersion.substring(0,1));
	var aname = navigator.appName;

	function checkbrOK(){
		if(aname.indexOf("Internet Explorer")!=-1){
			if(aver >= 4) brOK=navigator.javaEnabled();
			mie=true;
		}
		if(aname.indexOf("Netscape")!=-1){
			if(aver >= 4) brOK=navigator.javaEnabled();
		}
	}

	var vmin=2;
	var vmax=5;
	var vr=2;
	var timer1;

	function Chip(chipname,width,height){
		this.named=chipname;
		this.vx=vmin+vmax*Math.random();
		this.vy=vmin+vmax*Math.random();
		this.w=width;
		this.h=height;
		this.xx=0;
		this.yy=0;
		this.timer1=null;
	}

	function movechip(chipname){
		if(brOK){
			eval("chip="+chipname);
			if(!mie){
				pageX=window.pageXOffset;
				pageW=window.innerWidth;
				pageY=window.pageYOffset;
				pageH=window.innerHeight;
			}
		else{
			pageX=window.document.body.scrollLeft;
			pageW=window.document.body.offsetWidth-8;
			pageY=window.document.body.scrollTop;
			pageH=window.document.body.offsetHeight;
		} 

		chip.xx=chip.xx+chip.vx;
		chip.yy=chip.yy+chip.vy;
		chip.vx+=vr*(Math.random()-0.5);
		chip.vy+=vr*(Math.random()-0.5);

		if(chip.vx>(vmax+vmin))  chip.vx=(vmax+vmin)*2-chip.vx;
		if(chip.vx<(-vmax-vmin)) chip.vx=(-vmax-vmin)*2-chip.vx;
		if(chip.vy>(vmax+vmin))  chip.vy=(vmax+vmin)*2-chip.vy;
		if(chip.vy<(-vmax-vmin)) chip.vy=(-vmax-vmin)*2-chip.vy;
		if(chip.xx<=pageX){
			chip.xx=pageX;
			chip.vx=vmin+vmax*Math.random();
		}
		if(chip.xx>=pageX+pageW-chip.w){
			chip.xx=pageX+pageW-chip.w;
			chip.vx=-vmin-vmax*Math.random();
		}
		if(chip.yy<=pageY){
			chip.yy=pageY;
			chip.vy=vmin+vmax*Math.random();
		}
		if(chip.yy>=pageY+pageH-chip.h){
			chip.yy=pageY+pageH-chip.h;
			chip.vy=-vmin-vmax*Math.random();
		}
		if(!mie){
			eval('document.'+chip.named+'.top ='+chip.yy);
			eval('document.'+chip.named+'.left='+chip.xx);
		} 
		else{
			eval('document.all.'+chip.named+'.style.pixelLeft='+chip.xx);
			eval('document.all.'+chip.named+'.style.pixelTop ='+chip.yy); 
		}
		chip.timer1=setTimeout("movechip('"+chip.named+"')",100);
		}
	}

	function stopme(chipname){
		if(brOK){
			eval("chip="+chipname);
			if(chip.timer1!=null){
				clearTimeout(chip.timer1)
			}
		}
	}

	var netease;
	var chip;

	function netease(){
		checkbrOK(); 
		netease=new Chip("netease",60,80);
			if(brOK){
				movechip("netease");
			}
	}