Parental Control/Game time limiter

Hi,

we have a 13 year old and controlling his user habits on the ipod touch is really hard. The Problem comes from all the stuff an ipod can do. It´s not only a web browser, it´s a gaming device and an walkmen plus plus plus.

So we have an agreement saying he can play 2 hours of games per day. But after playing on his iPod or on his Wii I still see him on his iPod. Of course he´s going like:"I´m only listening to music", which in most cases was true, but it is incredibly easy for him to cheat on this agreement. The problem is that it is a real pain in the neck to be after him all the time to see what he is doing with his iPod and of course he is feeling controlled.

No here is what I want to do:

- I want to prevent my boy from using the ipod at night. Pretty much in a way I saw in the parental control menu on my MBP.

- Next, I want to limit his game time. Sure there are a lot of third party solutions out there. But they don´t work for me. I want him to play say between 20min. to X hours a day. I want to set up a timer with my password that my boy can´t change. So once I hand the iPod back to him I can be sure he plays no more than 2 hours a day. After the 2 hours of game time: nada. he can´t play anymore. And the timer resets itself on the next day.

At the same time I want him to be able to listen to his music on the iPod even after the timer locked down the games. Because IMHO he can listen to music as much as he wants.

And of course I want him to be able to surf Wikipedia and the like after the timer locked down. Something like an "educational mode" maybe, that is restricted to very few sites?

And yes, I´m aware that it is all about communication and trust. But teenage boys NEED control in certain areas of their life. Badly.