add(makeTitlePanel(), BorderLayout.NORTH);
VerticalPanel mainPanel = new VerticalPanel();
TcpDefaultPanel = new ProducerConfigGui(false);
mainPanel.add(TcpDefaultPanel);
loginPanel = new LoginConfigGui(false);
loginPanel.setBorder(BorderFactory.createTitledBorder(JMeterUtils.getResString("login_config")));
mainPanel.add(loginPanel);