public void startElement(String uri, String localName, String qName,
			Attributes attrs) throws SAXException {
		// determine mode and call appropriate method
		if (mode == "getschema")
			// find the schema location
			startGetSchemaElement(qName, attrs);
		if (mode == "schemadefs")
			// get schema defaults
			startSchemaElement(qName, attrs);
		else if (mode == "xmldefs")
			// get xml defaults
			startXmlDefault(qName, attrs);
		else if (mode == "parse")
			// get the slideshow
			startSlideShowElement(qName, attrs);
	}