private JMenu getAbout() {
		JMenu about= new JMenu("?");
		JMenuItem itmAbout=new JMenuItem("A Propos de ..");
		itmAbout.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				JOptionPane.showMessageDialog(null, "Cryptographie Version 1.0 \n Par Lucas VANRYB", "A propos de..", JOptionPane.INFORMATION_MESSAGE, new ImageIcon("Images/cia-emblem.gif"));
			}		
		});
		about.add(itmAbout);
		return about;
	}