function Gid(id)
{
   return document.getElementById(id);
}
var anndelay = 3000;
var anncount = 0;
var annheight = 28;
var annst = 0;
function announcementScroll()
{
   if( ! annst){
      Gid('announcementbody').innerHTML +=  Gid('announcementbody').innerHTML;
      Gid('announcementbody').scrollTop = 0;
      if(Gid('announcementbody').scrollHeight > annheight * 3){
         annst = setTimeout('announcementScroll()', anndelay);
      }
      else{
         Gid('announcement').onmouseover = Gid('announcement').onmouseout = null;
      }
      return;
   }
   if(anncount == annheight)
   {
      if(Gid('announcementbody').scrollHeight - annheight <= Gid('announcementbody').scrollTop){
         Gid('announcementbody').scrollTop = Gid('announcementbody').scrollHeight / 2 - annheight;
      }
      anncount = 0;
      annst = setTimeout('announcementScroll()', anndelay);
   }else{
      Gid('announcementbody').scrollTop ++ ;
      anncount ++ ;
      annst = setTimeout('announcementScroll()', 10);
   }
}
announcementScroll();