// JavaScript Document
function backTopScroll()
{
   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;
   }
   if(sctop)
   {
      scup = Math.ceil(sctop*.2);
      scrollBy(0,-scup);
      if (sctop-scup) setTimeout("backTopScroll()",20);
   }
}