protected function _getSessionCookieKey($blGet)
    {
        $blSsl = \OxidEsales\Eshop\Core\Registry::getConfig()->isSsl();
        $sKey = $blSsl ? 'nossl' : 'ssl';

        if ($blGet) {
            $sKey = $blSsl ? 'ssl' : 'nossl';
        }

        return $sKey;
    }