title: WP7 How to change the color of the second header of a pivot item
body: <p>Is it possible to have the foreground of the header of a panorama control in red and the other title (that we can start to see because it's a pivot item) in grey for example ?</p>
  
  <p>Title 1 : in red and the shaded title2 in grey.</p>
  
  <p>Thank you</p>