function pending_scores($id = null, $status = null)
 {
     if (!empty($id) && !empty($status) && ($status == "pending" || $status == "below_aa" || $status == "approved" || $status == "rejected")) {
         $id = intval($id);
         $sf = User_score::find($id);
         $sf->status = $status;
         $sf->save();
     }
     $this->data['subtitle'] = "Approve Pending Scores";
     $this->data['scores'] = User_score::get_pending_scores();
     $this->content_view = "mod/pending_scores";
 }