m_ExperimenterBut.setEnabled(false);
m_ExperimenterFrame = new JFrame(Messages.getInstance().getString("GUIChooser_WekaExperimentEnvironment_JFrame_Text"));
m_ExperimenterFrame.setIconImage(m_Icon);
m_ExperimenterFrame.getContentPane().setLayout(new BorderLayout());
m_ExperimenterFrame.getContentPane()
.add(new Experimenter(false), BorderLayout.CENTER);
m_ExperimenterFrame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent w) {
m_ExperimenterFrame.dispose();
m_ExperimenterFrame = null;
m_ExperimenterBut.setEnabled(true);