private JPanel getPanClair() {
		if (panClair == null) {
			panClair = new JPanel();
			panClair.setLayout(new BoxLayout(getPanClair(), BoxLayout.Y_AXIS));
			panClair.setBorder(BorderFactory.createTitledBorder("Message clair:"));
			panClair.add(getPanCheminMess(), null);
			panClair.add(getPanSaisieMess(), null);
		}
		return panClair;
	}