void destroy() {
		page = null;
		saxHandler = null;
		saxParser = null;
		progressBar = null;
		doc = null;
		mw2dConnector.clear();
		mw3dConnector.clear();
		jmolConnector.clear();
		pluginConnector.clear();
		radioButtonConnector.clear();
		htmlComponentConnector.clear();
		if (resourceLoadingThread != null)
			resourceLoadingThread.interrupt();
		resourceLoadingThread = null;
	}