public function appendStdLink($sAddParams, $iLang = null)
    {
        if ($sAddParams) {
            if ($iLang === null) {
                $iLang = $this->getLanguage();
            }

            $this->_aStdAddParams[$iLang] = isset($this->_aStdAddParams[$iLang]) ? $this->_aStdAddParams[$iLang] . "&amp;" : "";
            $this->_aStdAddParams[$iLang] .= $sAddParams;
        }
    }