var vmin=2,vmax=5,vr=2,timer1;function iecompattest(){return document.compatMode&&document.compatMode!="BackCompat"?document.documentElement:document.body}function Chip(a,c,b){this.named=a;this.vx=vmin+vmax*Math.random();this.vy=vmin+vmax*Math.random();this.w=c+20;this.h=b;this.xx=500;this.yy=0;this.timer1=null}function movechip(chipname){if(document.getElementById){eval("chip="+chipname);if(window.innerWidth||window.opera){pageX=200;pageW=1200;pageY=window.pageYOffset;pageH=200}else if(document.body){pageX=200;pageW=1200;pageY=iecompattest().scrollTop;pageH=200}chip.xx=chip.xx+chip.vx;chip.yy=chip.yy+chip.vy;chip.vx+=vr*(Math.random()-.5);chip.vy+=vr*(Math.random()-.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)}}