window.fbAsyncInit = function() {
FB.init({appId: '', status: true, cookie: true, xfbml: true});
FB.Event.subscribe("edge.create",function(url) {
if (url.indexOf("facebook.com") > 0) {
// if the returned link contains 'facebook,com'. It is a 'Like'
// for your Facebook page ga('send', 'social', 'Facebook', 'like', url);
} else {
// else, somebody is sharing the current page on their wall
ga('send', 'social', 'Facebook', 'share', url);
});
};
