var ppbrowser = navigator.userAgent.match(/MSIE|Netscape/gi);
if (ppbrowser){  

// Mausverfolger mit 3D-Punkten 
  if (document.all){ 
  //To add more stars simply add more colours in below array!! 
  colours=new Array('ff0000','00ff00','3366ff','ff00ff','ffa500','ffffff','fff000') 
  //Alter nothing below!! 
  amount=colours.length; 
  YgetDelay=0,XgetDelay=0,Ydelay=0,Xdelay=0,step=0.2,currStep=0,my=0,mx=0; 
  document.write('<div id="ie" style="position:absolute;top:0;left:0;"><div style="position:relative">'); 
  for (i=0; i < amount; i++) 
  document.write('<div id="iestars" style="position:absolute;top:0px;left:0px;height:50px;width:50px;font-family:Courier New;font-size:5px;color:'+colours[i]+';padding-top:20px;text-align:center">.</div>'); 
  document.write('</div></div>'); 
  ini=1; 
  gstep=1; 
  function iMouse(){ 
  my=event.y;mx=event.x; 
  } 
  document.onmousemove=iMouse 
  function dim(){ 
  ini-=gstep; 
  dt=setTimeout('dim()',10); 
  if (ini < 2){ 
  clearTimeout(dt); 
  glow(); 
  } 
  } 
  function glow(){ 
  ini+=gstep; 
  gt=setTimeout('glow()',10); 
  if (ini > 14){ 
  clearTimeout(gt); 
  dim(); 
  } 
  } 
  function stars(){ 
  ie.style.top=document.body.scrollTop; 
  for (i=0; i < amount; i++) 
  { 
  var layer=iestars[i].style; 
  layer.filter='glow(color='+colours[i]+', strength='+ini+')'; 
  layer.top= Ydelay+100*Math.sin((5*Math.sin((currStep-15.99)/10))+i*70)*Math.sin((currStep)/10)*Math.cos((currStep+i*25)/10); 
  layer.left=Xdelay+180*Math.cos((5*Math.sin((currStep-15.99)/10))+i*70)*Math.sin((currStep)/10)*Math.cos((currStep+i*25)/10); 
  } 
  currStep+=step; 
  } 
  function delay(){ 
  Ydelay = YgetDelay+=(my-YgetDelay)*1/20; 
  Xdelay = XgetDelay+=(mx-XgetDelay)*1/20; 
  stars(); 
  setTimeout('delay()',10); 
  } 
  delay(); 
  glow(); 
  } 

}