title: moving a window widget
body: <p>I have two windows, one main window which lies behind second window. </p>
  
  <p>How can i move the second window along with main window, when ever the main window</p>
  
  <p>moves. And second window is ordinary window, it will have reference to main window.</p>
  
  <p>Regards,
  iSight</p>