default:
     switch ($act) {
         case 'add_action':
             $actions->show_modif_form();
             break;
         case 'save_action':
             demandes_actions::get_values_from_form($actions);
             demandes_actions::save($actions);
             $actions->fetch_data($actions->id_action, false);
             $actions->show_consultation_form();
             break;
         case 'modif':
             $actions->show_modif_form();
             break;
         case 'change_statut':
             demandes_actions::change_statut($idstatut, $actions);
             $actions->fetch_data($idaction, false);
             $actions->show_consultation_form();
             break;
         case 'see':
             $actions->fetch_data($idaction, false);
             $actions->show_consultation_form();
             break;
         case 'suppr_action':
             $chk = ${"chk_action_" . $iddemande};
             if (sizeof($chk)) {
                 for ($i = 0; $i < count($chk); $i++) {
                     $action = new demandes_actions($chk[$i]);
                     demandes_actions::delete($action);
                 }
             } else {