static void
floating_bar_action_cb (NautilusFloatingBar *floating_bar,
                        gint action,
                        NautilusWindowSlot *slot)
{
    if (action == NAUTILUS_FLOATING_BAR_ACTION_ID_STOP) {
        nautilus_window_slot_stop_loading (slot);
    }
}
static void
action_stop_callback (GtkAction *action, 
		      gpointer user_data)
{
	NautilusWindow *window;
	NautilusWindowSlot *slot;

	window = NAUTILUS_WINDOW (user_data);
	slot = nautilus_window_get_active_slot (window);

	nautilus_window_slot_stop_loading (slot);
}