!7

p-substance {
  JFrame f1 = showFrame("Frame 1");
  JFrame f2 = moveToTopRightCorner(showFrame("Frame 2"));
  coActivate(f1, f2);
  //coActivate(f2, f1);
}

svoid coActivate(JFrame f1, JFrame f2) {
  f1.addWindowListener(new WindowAdapter {
    public void windowActivated(WindowEvent e) {
      f2.toFront();
    }
  });
}