var popup
function PopUpScroll(filename)  { 
  if (popup) {
    if (!popup.closed) {
	  popup.close();
	}
  }
  popup = window.open(filename,"popFAQDialog","height=450,width=350,scrollbars=yes,status=no,toolbar=no,directories=no,menubar=no,location=no,resizable=yes") 
}