public function prepare(XSLTPage $page, array $pagedata, $xml, array $param, $output)
    {
        $this->_page = $page;
        $this->_pagedata = $pagedata;
        $this->_xml = $xml;
        $this->_param = $param;
        $this->_output = $output;

        if (is_null($this->_title)) {
            $this->_title = __('Utility');
        }
    }