var vmin=2;
var vmax=5;
var vmin2=2;
var vmax2=15;
var vr=2;
var vr2=4;
var timer1;

function iecompattest(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function Chip(chipname,width,height){
this.named=chipname;
this.vx=vmin+vmax*Math.random();
this.vy=vmin+vmax*Math.random();
this.w=width+20;
this.h=height;
this.xx=0;
this.yy=0;
this.timer1=null;
}

function Chip2(chipname,width,height){
this.named=chipname;
this.vx=vmin2+vmax2*Math.random();
this.vy=vmin2+vmax2*Math.random();
this.w=width+20;
this.h=height;
this.xx=400;
this.yy=400;
this.timer1=null;
}

function movechip(chipname){
if (document.getElementById){
eval("chip="+chipname);
if (window.innerWidth || window.opera){
pageX=window.pageXOffset;
pageW=window.innerWidth-40;
pageY=window.pageYOffset;
pageH=window.innerHeight-20;
}
else if (document.body){
pageX=iecompattest().scrollLeft;
pageW=iecompattest().offsetWidth-40;
pageY=iecompattest().scrollTop;
pageH=iecompattest().offsetHeight-20;
} 

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();
}

document.getElementById(chip.named).style.left=chip.xx+"px";
document.getElementById(chip.named).style.top=chip.yy+"px";


chip.timer1=setTimeout("movechip('"+chip.named+"')",100);
}
}

function movechip2(chipname){
if (document.getElementById){
eval("chip="+chipname);
if (window.innerWidth || window.opera){
pageX=window.pageXOffset;
pageW=window.innerWidth-40;
pageY=window.pageYOffset;
pageH=window.innerHeight-20;
}
else if (document.body){
pageX=iecompattest().scrollLeft;
pageW=iecompattest().offsetWidth-40;
pageY=iecompattest().scrollTop;
pageH=iecompattest().offsetHeight-20;
} 

chip.xx=chip.xx+chip.vx;
chip.yy=chip.yy+chip.vy;

chip.vx+=vr2*(Math.random()-0.5);
chip.vy+=vr2*(Math.random()-0.5);
if(chip.vx>(vmax2+vmin2)) chip.vx=(vmax2+vmin2)*2-chip.vx;
if(chip.vx<(-vmax2-vmin2)) chip.vx=(-vmax2-vmin2)*2-chip.vx;
if(chip.vy>(vmax2+vmin2)) chip.vy=(vmax2+vmin2)*2-chip.vy;
if(chip.vy<(-vmax2-vmin2)) chip.vy=(-vmax2-vmin2)*2-chip.vy;

if(chip.xx<=pageX){
chip.xx=pageX;
chip.vx=vmin2+vmax2*Math.random();
}
if(chip.xx>=pageX+pageW-chip.w){
chip.xx=pageX+pageW-chip.w;
chip.vx=-vmin2-vmax2*Math.random();
}
if(chip.yy<=pageY)
{chip.yy=pageY;
chip.vy=vmin2+vmax2*Math.random();
}
if(chip.yy>=pageY+pageH-chip.h)
{chip.yy=pageY+pageH-chip.h;
chip.vy=-vmin2-vmax2*Math.random();
}

document.getElementById(chip.named).style.left=chip.xx+"px";
document.getElementById(chip.named).style.top=chip.yy+"px";


chip.timer1=setTimeout("movechip2('"+chip.named+"')",100);
}
}
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