function submitenter(myfield,e)
{
   var keycode;
   if (window.event) keycode = window.event.keyCode;
   else if (e) keycode = e.which;
   else return true;

   if (keycode == 13)
   {
      myfield.form.submit();
      return false;
   }
   else
   {
      return true;
   }   
}