public static function loadConfiguration()
    {
        self::$_CONF = array();
        self::$_CONF_LANG = array();
        self::$_CONF_IDS = array();
        $db = Db::getInstance();
        $result = $db->ExecuteS('
		SELECT c.`id_configuration`, c.`name`, cl.`id_lang`, cl.`value` cl_value, c.`value` c_value
		FROM `' . _DB_PREFIX_ . 'configuration` c
		LEFT JOIN `' . _DB_PREFIX_ . 'configuration_lang` cl ON (c.id_configuration = cl.id_configuration)', false);
        if ($result) {
            while ($row = $db->nextRow($result)) {
                self::$_CONF_IDS[$row['name']] = (int) $row['id_configuration'];
                self::$_CONF[$row['name']] = $row['c_value'];
                if ($row['id_lang']) {
                    self::$_CONF_LANG[(int) $row['id_lang']][$row['name']] = $row['cl_value'];
                }
            }
        }
    }