public function getMasterZoomPictureUrl($iIndex)
    {
        $sPicUrl = false;
        $sPicName = basename($this->{"oxarticles__oxpic" . $iIndex}->value);

        if ($sPicName && $sPicName != "nopic.jpg") {
            $sPicUrl = \OxidEsales\Eshop\Core\Registry::getConfig()->getPictureUrl("master/product/" . $iIndex . "/" . $sPicName);
            if (!$sPicUrl || basename($sPicUrl) == "nopic.jpg") {
                $sPicUrl = false;
            }
        }

        return $sPicUrl;
    }