title: distribute option in interface builder of iPhone
body: <p>i have following buttons in my application.</p>
  
  <p>Now i want to set equal spacing among all buttons.</p>
  
  <p>Suppose If I am using corelDraw or Photoshop, there is always an option for align &amp; distribute.</p>
  
  <p>Here I need to distribute my objects vertically.</p>
  
  <p>How is that possible in interface builder of iPhone?</p>
  
  <p>Sample image is given below, in which distribution is required.
  <a href="http://img268.imageshack.us/img268/4146/problem13.png">alt text http://img268.imageshack.us/img268/4146/problem13.png</a></p>