title: Messagebox appearing behind GXT Window -GWT
body: <p>Messagebox appearing behind GXT window.
      after window.show() only message box is appearing.I need message box 
      appearing before window.show().</p>
  
  <p>thanks 
  i am gettig messagebox bottom of the window</p>
  
  <p><a href="http://i.stack.imgur.com/UbWUz.png" rel="nofollow">http://i.stack.imgur.com/UbWUz.png</a></p>