title: Menuitem action openERP 7
body: <p>I'd like to know if is possible to make a "button" in the products menu that opens a dialog with the buttons "Continue" or "Cancel" and than, on clicking "Continue", I would like to call "my_function" that calculate the ean13 code of <strong><em>all</em></strong> the products</p>
  
  <p>Here is an image that explain what i want to do with the update modules list example:
  <a href="http://i.stack.imgur.com/hMCaV.png" rel="nofollow">http://i.stack.imgur.com/hMCaV.png</a></p>