title: Facebook likebox event on clicking button
body: <p>I'm trying to use SDK Facebook to detect the click on the button "like" of the likebox and call a function , but it not working .
  Here's my code :</p>
  
  <pre><code>    &lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"&gt;
      &lt;html xmlns="http://www.w3.org/1999/xhtml" xmlns:fb="http://ogp.me/ns/fb#"&gt;
      &lt;head&gt;
      &lt;meta http-equiv="Content-Type" content="text/html; charset=utf-8" /&gt;
      &lt;title&gt;Untitled Document&lt;/title&gt;
      &lt;/head&gt;
  
      &lt;body&gt;
      &lt;/body&gt;
  
  &lt;div id="fb-root"&gt;&lt;/div&gt;
  &lt;script&gt;
    window.fbAsyncInit = function() {
      FB.init({
        appId      : 'xxxx', // App ID
        channelURL : 'xxxx/facebook/channel.html', // Channel File
        status     : true, // check login status
        cookie     : true, // enable cookies to allow the server to access the session
        oauth      : true, // enable OAuth 2.0
        xfbml      : true  // parse XFBML
      });
  
      // Additional initialization code here
    };
  
    // Load the SDK Asynchronously
    (function(d){
       var js, id = 'facebook-jssdk'; if (d.getElementById(id)) {return;}
       js = d.createElement('script'); js.id = id; js.async = true;
       js.src = "//connect.facebook.net/en_US/all.js";
       d.getElementsByTagName('head')[0].appendChild(js);
     }(document));
  &lt;/script&gt;
  &lt;script type="text/javascript"&gt;
  FB.Event.subscribe('edge.create',
      function(response) {
          alert('You liked the URL: ' + response);
      }
  );
  &lt;/script&gt;
  
  &lt;fb:like-box href="http://www.facebook.com/MarwenClubiiste" width="292" show_faces="false" stream="false" header="false"&gt;&lt;/fb:like-box&gt;
  
  &lt;/html&gt;
  </code></pre>
  
  <p>Please Help , I really need this</p>