function save($game, &$crossm, $crossd, $id, $letters)
 {
     global $USER;
     CrossDB::delete_cross($id);
     if (CrossDB::save($game, $crossm, $crossd, $id) == false) {
         return false;
     }
     $crossm->id = $id;
     $newrec->id = $id;
     $newrec->letters = $letters;
     if (!($cryptexid = game_insert_record("game_cryptex", $newrec))) {
         print_error('Insert page: new page game_cryptex not inserted');
     }
     return $newrec;
 }