private void mapRequestParams(XPathQueryServiceImpl service) throws XMLDBException {
private void mapRequestParams(Request request, XPathQueryServiceImpl service) throws XMLDBException {
	private void mapRequestParams(XPathQueryServiceImpl service) throws XMLDBException {		String param;		String values[];		for(Enumeration enum = request.getParameterNames(); enum.hasMoreElements(); ) {			param = (String) enum.nextElement();			values = request.getParameterValues(param);			if(values.length == 1)				service.declareVariable(param, values[0]);			else				service.declareVariable(param, values);		}