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=150;
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=50;
	chip.yy=chip.yy+chip.vy;

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

	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.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)
{//alert(chipname)
eval("chip="+chipname);
if(chip.timer1!=null)
{clearTimeout(chip.timer1)}
}
}
var movinglogo;
function movinglogo()
{checkbrOK(); 
movinglogo=new Chip("movinglogo",60,80);
if(brOK) 
{
 movechip("movinglogo");
}
}