public function getSearchParamForHtml()
    {
        if ($this->_sSearchParamForHtml === null) {
            $this->_sSearchParamForHtml = false;
            if ($this->getArticleId()) {
                $this->_sSearchParamForHtml = \OxidEsales\Eshop\Core\Registry::getConfig()->getRequestParameter('searchparam');
            }
        }

        return $this->_sSearchParamForHtml;
    }