title: condional rendering with a redirect
body: <p>Here is the set up. I have a standard page layout with custom buttons.</p>
  
  <p>When the user clicks a button, i want to check a value in the extension class. If the value is null or 0- i want a pages message to appear, otherwise i want to redirect them to another <strong>VF</strong> page.</p>
  
  <p>the way that i'm <strong>attempting</strong> to do this is put a VF section on the page layout, and have it conditionally rendered using an action:support method, but I can't get it to work..</p>
  
  <p>HALP!</p>