experiment.getDefaultNodeArguments(), false);
experiment.getDefaultNodeArguments(), false, true);
  public void setGlobalCommandLine() {    experiment.updateNameServerHostName(); // Be sure this is up-do-date    NodeArgumentDialog dialog =       new NodeArgumentDialog("Global Command Line",                             experiment.getDefaultNodeArguments(), false);    dialog.setVisible(true);    if (dialog.getValue() != JOptionPane.OK_OPTION)      return; // user cancelled    experimentBuilder.setModified(dialog.updateProperties());  }