$artist->db_response("json");
break;
case "quickupdate_artist":
$artist = new WT_Artist($_POST["artist_id"]);
$artist->quick_update($_POST);
$artist->db_response("json");
break;
case "insert_artist":
$artist = new WT_Artist();
$artist->insert($_POST);
$artist->db_response("json");
break;
case "delete_artist":
unset($_POST["action"]);
$artist = new WT_Artist($_POST["artist_id"]);
$artist->delete($_POST["_nonce"]);
$artist->db_response("json");
break;
case "delete_all_artists":
unset($_POST["action"]);
if ($_POST["id"]) {
$artist = new WT_Artist();
$artist->delete_all(json_decode(stripslashes($_POST["id"])), $_POST["_nonce"]);
$artist->db_response("json");
}
break;
case "default_artist":
$id = $_POST["artist_id"];
if ($id) {
$artist = new WT_Artist($id);
$artist->set_default(1);
