public function getAmazonProperty($sPropertyName, $blCommon = false)
    {
        $sSandboxPrefix = '';

        if ($blCommon === false && (bool)$this->getConfig()->getConfigParam('blAmazonSandboxActive') === true) {
            $sSandboxPrefix = 'Sandbox';
        }

        $sAmazonLocale = $this->getConfig()->getConfigParam('sAmazonLocale');
        $sPropertyName = '_'.$sPropertyName.$sAmazonLocale.$sSandboxPrefix;

        if (property_exists($this, $sPropertyName)) {
            return $this->$sPropertyName;
        }

        return null;
    }