var num = 100000;

function EventScroll(){
	num = 100000;
	slowdownScroll();
}

function slowdownScroll() {
   if(navigator.appName == "Microsoft Internet Explorer" && document.compatMode == "CSS1Compat") {
      sctop = document.body.parentNode.scrollTop;
   }
   else if(window.pageYOffset){
      sctop = window.pageYOffset;
   } else {
      sctop = document.body.scrollTop;
   }
	jump:
   if(sctop){
	  if(num < sctop){
		  clearTimeout(TimerID);
		  break jump;
	  }
	  //alert('num='+num+':sctop='+sctop);
	  num = sctop; 
      scup = Math.ceil(sctop*.2);
      scrollBy(0,-scup);
      if (sctop-scup) TimerID = setTimeout("slowdownScroll()",5);
	  
   }
}