this.buttonPanel = new ButtonPanel(); this.southPanel.add(this.buttonPanel);
	public void presentActivityAndProduct (Activity activityToPresent)	{		// mettre a jour le message		this.messagePanel.setMessage(LanguagesManager.getInstance().getString(				"activityPresentationMessage"));				// cr?er les panneaux		this.contentViewerPanel = new ContentViewerPane(activityToPresent);		this.setComponentInJSplitPane(this.contentViewerPanel);		this.setVisible(true);		// demande le focus		this.contentViewerPanel.requestFocus();	}