private void addBigButtonToPanel(Component comp, JPanel pnl) {
        Dimension dim = null;
        if (mainWindowHeaderPanelSize == null) {
            mainWindowHeaderPanelSize = settings.getDimension(MAIN_PANEL_TITLE);
        }
        System.out.println("addBigButtonToPanel]]]" + mainWindowHeaderPanelSize);
        if (mainWindowHeaderPanelSize != null) {
            dim = new Dimension(70, 50);//FIXME calculate size according to panel size.
            comp.setPreferredSize(dim);
            System.err.println("skip::setPreferredSize");
        }

        pnl.add(comp);
    }