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,left,top)
  {
  this.named=chipname;
  this.vx=vmin+vmax*Math.random();
  this.vy=vmin+vmax*Math.random();
  this.w=width;
  this.h=height;
  this.xx=left;
  this.yy=top;
  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=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)
      {
      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 no1;
var no2;
var chip;
function no1()
  {
  checkbrOK();
  no1=new Chip("no1",100,90,0,200);
  no2=new Chip("no2",120,97,400,300);
  if(brOK)
    {
    movechip("no1");
    movechip("no2");
    }
  }