public function cloneSlide($slideno = '', $position = '', $storageName = '', $folder = '')
    {
        if ($position == '')
            throw new Exception('Position not speciefied.');

        if ($slideno == '')
            throw new Exception('Slide not speciefied.');


        $strURI = Product::$baseProductUri . '/slides/' . $this->getFileName() . '/slides?SlideToClone=' . $slideno . '&Position=' . $position;
        if ($folder != '') {
            $strURI .= 'folder=' . $folder;
        }

        if ($storageName != '') {
            $strURI .= '&storage=' . $storageName;
        }
        $signedURI = Utils::sign($strURI);

        $responseStream = Utils::processCommand($signedURI, 'POST', '', '');
        $json = json_decode($responseStream);

        if ($json->Code == 200)
            return $json->Slides;
        else
            return false;
    }