mainFrame = new JFrame("Task Graph");
		               mainFrame.setSize(800,600);
		               
 mainFrame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
		               mainFrame.setVisible(true);

		               Container pane = mainFrame.getContentPane();
		               pane.setLayout(new BorderLayout());
		               JSVGCanvas canvas = new JSVGCanvas();
		               canvas.setURI("output.xml");		
		               pane.add(canvas, BorderLayout.CENTER);
		               pane.setVisible(true);