window.fbAsyncInit = function() {
    FB.init({appId: TzFBData.AppID, status: true, cookie: true, xfbml: true});

    FB.Event.subscribe('auth.login', function(response) { console.log('login called'); window.location.href = TzFBData.loginPage; });

    var oBtn = document.getElementById('TzFB');
    if (oBtn) {
        addEvent(oBtn, 'click', FB.login);
    }

    if (Cookie.read('wpfb_logout')) {
        Cookie.erase('wpfb_logout');

        FB.getLoginStatus(function(response) {
            if (response.session) {
                FB.logout(function() {
                    Cookie.erase('wpfb_logout');
                    window.location.reload();
                });
            }
        });
    }
};