function open_popup(url, name) {
	window.open(url, name, 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=yes,width=510,height=360');
  	return;
  }

   function confirm_popup_open(mess, url, name) {
	if (confirm(mess)) {
	   open_popup(url, name);
	}
   }

   function submit_form(f) {
        f.submit();
        return;
   }

   function confirm_command(mess) {
	if (confirm(mess)) {
	   return true;
	}
	else {
	   return false;
	}
   }

   function confirm_go(mess, url) {
        if (confirm(mess)) {
           window.location = url;
        }
   }