public void actionPerformed(ActionEvent e) {
                JOptionPane.showMessageDialog(frame,
                            "This is a simple peer to peer chat client. To begin a chat\n"
                          + "either double click on one of the users online. You can also\n"
                          + "start a conversation by going to the File menu and selecting\n"
                          + "new conversation. We hope you enjoy our program!",
                            "Contents", JOptionPane.INFORMATION_MESSAGE);
            }