var vmin=2;var vmax=5;var vr=2;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 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+"')",700);}}