public function getHtmlBody()
    {
        $xpath = new DOMXPath($this->_doc);
        $bodyNodes = $xpath->query('/html/body')->item(0)->childNodes;

        $outputFragments = array();
        for ($count = 0; $count < $bodyNodes->length; $count++) {
            $outputFragments[] = $this->_doc->saveXML($bodyNodes->item($count));
        }

        return implode($outputFragments);
    }