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

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,chipid)
{this.named=chipname;
this.idd=chipid;
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,chipid)
{
if(brOK && mystop==0)
{
	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)
{
	try
	{
	document.getElementById("movelink"+chip.idd).style.top=chip.yy;
	document.getElementById("movelink"+chip.idd).style.left=chip.xx;
	//eval('document.getElementById(movelink['+chip.idd+']).style.top ='+chip.yy);
	//eval('document.getElementById(movelink'+[chipid]+').left='+chip.xx);
	}
	catch ( e )
	{
		alert( e);
		throw e;
	}
} 
else
{	
	//alert("2"+chip.named);
	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);
}
}