function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}

 self.onError=null;
 currentX = currentY = 0; 
 whichIt = null;          
 lastScrollX =0; lastScrollY =-300;
 NS = (document.layers) ? 1 : 0;
 IE = (document.all) ? 1: 0;
 <!-- STALKER CODE -->
 function heartBeat() {
  if(IE) {
     diffY = document.body.scrollTop;
      diffX = 0;
         }

  if(NS) { diffY = self.pageYOffset; diffX = self.pageXOffset; }

  if(diffY != lastScrollY) {
                 percent = .1 * (diffY - lastScrollY);
                 if(percent > 0) percent = Math.ceil(percent);
                 else percent = Math.floor(percent);
   if(IE) document.all.floater.style.pixelTop += percent;
   if(NS) document.floater.top += percent;
                 lastScrollY = lastScrollY + percent;
  }
  if(diffX != lastScrollX) {
   percent = .1 * (diffX - lastScrollX);
   if(percent > 0) percent = Math.ceil(percent);
   else percent = Math.floor(percent);
   if(IE) document.all.floater.style.pixelLeft += percent;
   if(NS) document.floater.top += percent;
   lastScrollY = lastScrollY + percent;
  } 
 } 
 if(NS || IE) action = window.setInterval("heartBeat()",1);