var  popwin =0;
function popdisclaimer(url)
{
  if(popwin)
  {
    if(!popwin.closed) popwin.close();
  }
  popwin =window.open(url,"popdisclaimer","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes,width=300,height=350,left=20,top=20");
}