title: Check if FB.Init is done to start other scripts
body: <p>i want to start a function after the Init is done.</p>
  
  <pre><code>FB.init({
      appId  : 'XXXXXXXXXXXXX',
      status : true, // check login status
      cookie : true, // enable cookies to allow the server to access the session
      xfbml  : true, // parse XFBML
      oauth  : true, // enable OAuth 2.0
  });
  </code></pre>
  
  <p>After i done that i want to check if the Init is done and start somethink like </p>
  
  <pre><code>doMyFunctions();
  </code></pre>
  
  <p>But how can i check that the Init is done? If i try to start my function directly after the init i did not become data from the FB.Data.query functions.</p>
  
  <p>Hope you can help me.</p>