private void initContentPane(Container contentPane) {
		contentPane.setLayout(new BorderLayout());
		northPanel = new JPanel();
		southPanel = new JPanel();
		eastPanel = new JPanel();
		westPanel = new JPanel();
		centerPanel = new JPanel();
		northPanel.setLayout(new TableLayout(1, 0, 5, 5));
		southPanel.setLayout(new TableLayout(1, 0, 5, 5));
		westPanel.setLayout(new TableLayout(0, 1, 5, 5));
		eastPanel.setLayout(new TableLayout(0, 1, 5, 5));
		centerPanel.setLayout(new GridLayout(1, 0));
		contentPane.add(northPanel, NORTH);
		contentPane.add(southPanel, SOUTH);
		contentPane.add(eastPanel, EAST);
		contentPane.add(westPanel, WEST);
		contentPane.add(centerPanel, CENTER);
	}