function fb_login() {
FB.login(
    function(response){
    //etc....
    },
{scope:'email,user_about_me,user_activities,user_birthday,user_education_history, user_groups,user_hometown,user_likes,user_location,user_subscriptions,user_website, user_events,user_games_activity,user_status,friends_website,publish_actions, user_online_presence,publish_stream,offline_access,status_update,share_item, read_friendlists'}
);