public function formatCurrency($dValue, $oActCur = null)
    {
        if (!$oActCur) {
            $oActCur = \OxidEsales\Eshop\Core\Registry::getConfig()->getActShopCurrencyObject();
        }
        $sValue = \OxidEsales\Eshop\Core\Registry::getUtils()->fRound($dValue, $oActCur);

        return number_format((double) $sValue, $oActCur->decimal, $oActCur->dec, $oActCur->thousand);
    }