jMenuItemHelpSystemInfo.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
String title = jMenuItemHelpSystemInfo.getText();
if (!containsWindow(title)) {
// get info
Hashtable info = new SystemInfo().getSystemInfo();
// sort names
Vector names = new Vector();
Enumeration enm = info.keys();
while (enm.hasMoreElements())