private void init(String[] resouces, String selected) {
this.add(mLabel);
for (int idx = 0; idx < resouces.length; idx++) {
JRadioButton btn = new JRadioButton(JMeterUtils.getResString(resouces[idx]));
btn.setActionCommand(resouces[idx]);
btn.addActionListener(this);
// add the button to the button group
this.bGroup.add(btn);
// add the button
this.add(btn);
if (selected != null && selected.equals(resouces[idx])) {