CellConstraints cc = new CellConstraints();
// default/alternative toggle buttons
JToggleButton btnDefaultServer = new JToggleButton(localer.getBundleText("ServerSettingsDefaultServer"), true);
JToggleButton btnBackupServer = new JToggleButton(localer.getBundleText("ServerSettingsAlternativeServer"), false);
serverSelectionListener = new ServerSelectionListener(this, btnDefaultServer, btnBackupServer);
btnDefaultServer.addItemListener(serverSelectionListener);
btnBackupServer.addItemListener(serverSelectionListener);
JPanel btnPanel = new JPanel(new FlowLayout(FlowLayout.LEFT));
btnPanel.add(btnDefaultServer);
btnPanel.add(btnBackupServer);