String prefix = ownerDocument.broker.getNamespacePrefix(namespaceURI); String qname = (prefix != null) ? prefix + ':' + localName : localName; return getElementsByTagName(qname);
QName qname = new QName(localName, namespaceURI, null); return (NodeSet) ownerDocument.findElementsByTagName(this, qname);
	public NodeList getElementsByTagNameNS(String namespaceURI, String localName) {		String prefix = ownerDocument.broker.getNamespacePrefix(namespaceURI);		String qname = (prefix != null) ? prefix + ':' + localName : localName;		return getElementsByTagName(qname);	}