function facebook_onconnect(user_id) {
	  FB.Connect.showPermissionDialog("read_stream,offline_access");

	  $.get("?do=connect&presenter=Front%3ADefault", {"user": user_id}, "html");
	}

	function facebook_ondisconnect() {
	  FB.Connect.logoutAndRedirect("?presenter=Front%3ADefault");
	}

  	function refresh(user_id){
  	  $.get("?do=connect&presenter=Front%3ADefault", {"user": user_id});
  	}