private function is_denied($type, $mask)
{
$mysql = new MYSQL($this);
$sql = "SELECT 1 FROM {$this->cfg[db_prefix]}access WHERE type = '%s' AND LOWER('%s') LIKE LOWER(mask) AND status = %d";
return $mysql->dbResult($mysql->SqlSelect($mysql->db_query_range($sql, $type, $mask, 0, 0, 1), __FILE__, __LINE__)) && !$mysql->db_result($mysql->SqlSelect($mysql->db_query_range($sql, $type, $mask, 1, 0, 1), __FILE__, __LINE__));
}