public void buildInfoPanel(String text){
		if(tableau != null){
			tableau.setVisible(false);
			tableau.getTableHeader().setVisible(false);
		}

		if(infoLabel == null) {
			infoLabel = new JLabel();
		    mainPanel.add(infoLabel , BorderLayout.WEST);
		}
		
		infoLabel.setText(text);
		infoLabel.setVisible(true);

        this.pack();
	}