DOM traversal

  	Document document = XMLUtils.getDom(fhirXmlFeedString);
        DocumentTraversal traversal = (DocumentTraversal) document;
        NodeIterator iterator = traversal.createNodeIterator(document.getDocumentElement(), NodeFilter.SHOW_ELEMENT, null, true);
        for (Node node = iterator.nextNode(); node != null; node = iterator.nextNode()) {
            String tagname = ((Element)node).getTagName();
        	if (tagname.equals("totalResults")) {
        		assertEquals("1", ((Element)node).getTextContent());
//            	logger.debug("id=" + ((Element)n).getAttribute("id"));
        	}
        }