function ajouterTypeDoc()
 {
     $max_num = SelectMax("type_doc", "if_type_doc");
     $new_num_doc = $max_num + 1;
     mysql_query("INSERT INTO if_type_doc (type_doc,nom) VALUES ('{$new_num_doc}','{$this->new_type_doc}')");
     return $new_num_doc;
 }
 /**
  * Insère une nouvelle commande dans la base
  * @return renvoie l'id de la commande insérée
  */
 function creerCommande()
 {
     $numerop = SelectMax("numerop", "if_bo_com");
     $numerop++;
     mysql_query("INSERT INTO if_bo_com (numerop,numclient,etat,ttva) VALUES ('{$numerop}','{$this->numclient}','0','{$this->ttva}')");
     return mysql_insert_id();
     //numcom
 }