(function (d, s, id) {
        var js, fjs = d.getElementsByTagName(s)[0];
        if (d.getElementById(id)) {
            return;
        }
        js = d.createElement(s);
        js.id = id;
        js.src = "//connect.facebook.net/en_US/all.js";
        fjs.parentNode.insertBefore(js, fjs);
    }(document, 'script', 'facebook-jssdk'));


    window.fbAsyncInit = function () {
        FB.init({
            appId: 'APP-ID',
            status: true,
            cookie: true,
            xfbml: true,
            version: 'v2.0'
        });

        FB.getLoginStatus(function(loginResp)
    {
        $('#debug').append(JSON.stringify(loginResp)); // Debugging in FB Built-in browser
        console.log(loginResp);

        // The rest of this method is placed after this.
    });