Layout layout = (Layout) getChild(Panel.LAYOUT); removeChild(Panel.LAYOUT);
Layout layout = (Layout) getChild(DisplayRegion.LAYOUT); removeChild(DisplayRegion.LAYOUT);
    public void finalizz() throws Exception {        Layout layout = (Layout) getChild(Panel.LAYOUT);        removeChild(Panel.LAYOUT);        destroyChild(layout);        super.finalizz();    }