var VsJsMbrOK=false;
		var mie=false;
		var aver=parseInt(navigator.appVersion.substring(0,1));
		var aname=navigator.appName;
		var VsJsMmystop=0;

		function VsJsMcheckbrOK()
		{
		if(aname.indexOf("Internet Explorer")!=-1)
		 {
				 if(aver>=4) VsJsMbrOK=navigator.javaEnabled();
			 mie=true;
		 }
			if(aname.indexOf("Netscape")!=-1)  
			{if(aver>=4) VsJsMbrOK=navigator.javaEnabled();}
		}
		var vmin=2;
		var vmax=5;
		var vr=2;
		var timer1;

		function VsJsMchip(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;//window.document.body.offsetWidth-8;//¿¿×óЩ£¬Ð޸ĴËÖµ8
			this.yy=0;
			this.timer1=null;
		}

		function VsJsMmovechip(chipname)
		{
			if(VsJsMbrOK && VsJsMmystop==0)
			{
					eval("VsJsMchip="+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;
				} 
				VsJsMchip.xx=VsJsMchip.xx+VsJsMchip.vx;
				VsJsMchip.yy=VsJsMchip.yy+VsJsMchip.vy;
				VsJsMchip.vx+=vr*(Math.random()-0.5);
				VsJsMchip.vy+=vr*(Math.random()-0.5);
				if(VsJsMchip.vx>(vmax+vmin))  VsJsMchip.vx=(vmax+vmin)*2-VsJsMchip.vx;
				if(VsJsMchip.vx<(-vmax-vmin)) VsJsMchip.vx=(-vmax-vmin)*2-VsJsMchip.vx;
				if(VsJsMchip.vy>(vmax+vmin))  VsJsMchip.vy=(vmax+vmin)*2-VsJsMchip.vy;
				if(VsJsMchip.vy<(-vmax-vmin)) VsJsMchip.vy=(-vmax-vmin)*2-VsJsMchip.vy;
				if(VsJsMchip.xx<=pageX)
				{
						VsJsMchip.xx=pageX;
					VsJsMchip.vx=vmin+vmax*Math.random();
				}
				if(VsJsMchip.xx>=pageX+pageW-VsJsMchip.w)
				{
						VsJsMchip.xx=pageX+pageW-VsJsMchip.w;
					VsJsMchip.vx=-vmin-vmax*Math.random();
				}
				if(VsJsMchip.yy<=pageY)
				{
						VsJsMchip.yy=pageY;
					VsJsMchip.vy=vmin+vmax*Math.random();
				}
				if(VsJsMchip.yy>=pageY+pageH-VsJsMchip.h)
				{
						VsJsMchip.yy=pageY+pageH-VsJsMchip.h;
					VsJsMchip.vy=-vmin-vmax*Math.random();
				}
				if(!mie)
				{
					eval('document.'+VsJsMchip.named+'.top ='+VsJsMchip.yy);
					eval('document.'+VsJsMchip.named+'.left='+VsJsMchip.xx);
				} 
				else
				{
						eval('document.all.'+VsJsMchip.named+'.style.pixelLeft='+VsJsMchip.xx);
					eval('document.all.'+VsJsMchip.named+'.style.pixelTop ='+VsJsMchip.yy); 
				}
				VsJsMchip.timer1=setTimeout("VsJsMmovechip('"+VsJsMchip.named+"')",150);
			}
		}
		function VsJsMstop(x)
		{
			VsJsMbrOK=true;
			VsJsMmystop=x;
			VsJsMmovechip("VsJsMtome");
		}
		var VsJsMtome;
		var VsJsMchip;
		function VsJsMtome()
		{
			VsJsMcheckbrOK(); 
			VsJsMtome=new VsJsMchip("VsJsMtome",80,80);
			if(VsJsMbrOK) 
			{
					VsJsMmovechip("VsJsMtome");
			}
		}

		ns4=(document.layers)?true:false;
		ie4=(document.all)?true:false;

		document.write("<div id='VsJsMtome' style='position:absolute;'>"+fly+"</div>"+"<div id='VsJsM' style='position:absolute; left:300;top:0;visibility:hidden;'>"+fly+"</div>");
		VsJsMtome();