var rs = 1;
function realScroll() {
   if(navigator.appName == "Microsoft Internet Explorer" && document.compatMode == "CSS1Compat") {
      var len = document.body.parentNode.scrollTop;
   } else {
      var len = document.body.scrollTop;
   }
   if(rs<50 && len) {
      len = (len>2) ? Math.ceil(len*.2) : 1;
      rs++;
      scrollBy(0,-len);
      setTimeout("realScroll()",20);
   } else {
      scrollTo(0,0);
      rs = 1;
   }
}