private JButton getButCheminCle() {
		if (butCheminCle == null) {
			butCheminCle = new JButton();
			butCheminCle.setText("Parcourir...");
			butCheminCle.addActionListener(new java.awt.event.ActionListener() {
				public void actionPerformed(java.awt.event.ActionEvent e) {
					cleManu=false;
					textCheminCle.setEnabled(true);
					textSaisieCle.setEnabled(false);
					JFileChooser load=new JFileChooser();
					final FileFilter filter=new FileNameExtensionFilter("Texte Uniquement","txt");
					load.setDialogType(JFileChooser.OPEN_DIALOG);
					load.setFileSelectionMode(JFileChooser.FILES_ONLY);
					load.setFileFilter(filter);
					load.setMultiSelectionEnabled(false);
					int r=load.showOpenDialog(null);
					if(r==JFileChooser.APPROVE_OPTION) {
						getTextCheminCle().setText(load.getSelectedFile().getAbsolutePath());
					}
				}
			});
		}
		return butCheminCle;
	}