function delete()
 {
     global $dbh;
     global $msg;
     global $include_path;
     //Je supprime les abonnements liés au modèle
     $requete = "SELECT abt_id FROM abts_abts_modeles WHERE modele_id='" . $this->modele_id . "'";
     $res = pmb_mysql_query($requete);
     if (pmb_mysql_num_rows($res)) {
         while ($ligne = pmb_mysql_fetch_object($res)) {
             $mon_abt = new abts_abonnement($ligne->abt_id);
             $mon_abt->delete();
         }
     }
     $dummy = "delete FROM abts_modeles WHERE modele_id='" . $this->modele_id . "' ";
     $check = pmb_mysql_query($dummy, $dbh);
     $dummy = "delete FROM abts_grille_modele WHERE num_modele='" . $this->modele_id . "' ";
     $check = pmb_mysql_query($dummy, $dbh);
 }