title: facebook-api: what's Facebook Connect cross-domain receiver URL?
body: <p>I'm trying to configure that my facebook application will be resizeable.</p>
  
  <p>The docs at <a href="http://wiki.developers.facebook.com/index.php/Resizable_IFrame" rel="noreferrer">http://wiki.developers.facebook.com/index.php/Resizable_IFrame</a></p>
  
  <p>talk about facebook connect cross-domain receiver URL.</p>
  
  <p>and in the JS code i need to enter the 'site relative url to xd_receiver.htm'.</p>
  
  <p>what's that?</p>
  
  <p>what code should be in that HTML file ?</p>
  
  <p>thanks</p>