UINavigationBar : customized button?
I want to make a navigation bar looking like BRED's application :

![BRED's main view][1]


  [1]: http://i.stack.imgur.com/aIicm.jpg

But I don't know how to remove the border and the bottom of the bar button.

Thank you for your advices 
UINavigationBar : customized button?
===

I want to make a navigation bar looking like BRED's application :

![BRED's main view][1]


  [1]: http://i.stack.imgur.com/aIicm.jpg

But I don't know how to remove the border and the bottom of the bar button.

Thank you for your advices 