How can I move my events in my iPod calendar to Google? It won't let me move items from iPod to Google but will move Google to iPod

How can I move my events in my iPod calendar to Google? It won't let me move items from iPod to Google but will move Google to iPod

I've followed Google's recommendations and steps for synchronising my iPod Touch, newest OS, with my Google Calendar. Synchronisation works great when Google Calendar events are added or deleted on the marked for synchronising calendar. They show up on my iPod.