function submissions($mode)
 {
     $forcejudge = optional_param('forcejudge', FALSE, PARAM_TEXT);
     if ($forcejudge) {
         $user = required_param('userid', PARAM_INT);
         $this->request_judge($this->get_submission($user));
         $offset = required_param('offset', PARAM_INT);
         $id = required_param('id', PARAM_INT);
         redirect('submissions.php?id=' . $id . '&userid=' . $user . '&mode=single&offset=' . $offset);
     }
     parent::submissions($mode);
 }