public function getMoreDetailLink()
    {
        if ($this->_sMoreDetailLink == null) {
            // and assign special article values
            $this->_sMoreDetailLink = \OxidEsales\Eshop\Core\Registry::getConfig()->getShopHomeUrl() . 'cl=moredetails';

            // not always it is okey, as not all the time active category is the same as primary article cat.
            if ($sActCat = \OxidEsales\Eshop\Core\Registry::getConfig()->getRequestParameter('cnid')) {
                $this->_sMoreDetailLink .= '&amp;cnid=' . $sActCat;
            }
            $this->_sMoreDetailLink .= '&amp;anid=' . $this->getId();
        }

        return $this->_sMoreDetailLink;
    }