private JPanel setupEditingModePanel() {
        ActionListener act1 = new SpriteBackgroundMode();
        JRadioButton spr = new JRadioButton(Utils.lang("spr"));
        spr.setSelected(true);
        JRadioButton bkg = new JRadioButton(Utils.lang("bkg"));
        spr.setActionCommand("spr");
        bkg.setActionCommand("bkg");
        spr.addActionListener(act1);
        bkg.addActionListener(act1);
        ButtonGroup group1 = new ButtonGroup();
        group1.add(spr);
        group1.add(bkg);
        JPanel sprbkg = new JPanel();
        sprbkg.setBounds(0, 0, 256, 20);
        sprbkg.add(spr);
        sprbkg.add(bkg);
        return sprbkg;
	}