$sql = "INSERT INTO ".TB_PREF."chart_types (id, name, class_id, parent)
VALUES ($id, ".db_escape($name).", $class_id, $parent)";
$sql = "INSERT INTO ".TB_PREF."chart_types (id, name, class_id, parent)
VALUES ($id, ".db_escape($name).", $class_id, $parent)";