var oTimer;

function fScroll(sName,iAmount) {
   if (!window.frames[sName])
      return false;
   if (oTimer)
      clearTimeout(oTimer);

   window.frames[sName].scrollBy(0, iAmount);
   oTimer = setTimeout("fScroll('" + sName + "'," + iAmount + ")", 10);
   
   return true;
}

function fStop() {
   if (oTimer)
      clearTimeout(oTimer);
}