title: FB Developer: Capture POST variables after multi-friend-selector
body: <p>Using this:
  <a href="https://stackoverflow.com/questions/820421/can-i-use-facebooks-fbfriend-selector-in-an-iframe">Can I use Facebook&#39;s fb:friend-selector in an iframe?</a>
  I created a multi-friend selector in my IFRAME FB application.</p>
  
  <p>I want to know if the user selected any users for invite so I can reward him with extra points. In the developer WIKI I saw that [ids] is transferred to requested page via POST. But how I can capture the values if I'm using JS/.NET? (Preferably through .NET so I can easily save values in the DB).</p>