private function updateCatalogueTime($cat_id, $variant)
{
$time = time();
$result = mysql_query("UPDATE catalogue\n\t\t\t\t\t\t\tSET date_modified = {$time}\n\t\t\t\t\t\t\tWHERE cat_id = {$cat_id}", $this->db);
if (!empty($this->cache)) {
$this->cache->clean($variant, $this->culture);
}
return $result;
}