title: Tabbed View Controller, changing text in another view
body: <p>I'm making a tabbed application, and i came across an issue.</p>
  
  <p>I have a button on one tab, when it is clicked, it's doing something in the current tab. my problem is that I want to, in addition to that, it would change the text of a label in a different view (the second tab)</p>
  
  <p>Can anyone give me some directions?
  xcode 4.2 ios 5.</p>
  
  <p>Thanks alot!</p>