In facebook connect, how can I check if a user is a fan of my facebook page? Is it possible to track?

Question

I am trying to determine if a user is a facebook fan. I load the facebook JS library and initialize:

Answer 1

not sure if this is helpful at all, but I inspected the DOM with firebug and I found that it has moved onto the Facebook object

var pageID = 'your page';
var uid = FB.Facebook.apiClient.get_session().uid;
FB.Facebook.apiClient.pages_isFan(pageID, uid, function(result){ alert("boo!");});