>You could also add your timer to the _SCREEN object:
>_SCREEN.AddObject("oTimer","mytimer")
>and reference it with _SCREEN.oTimer if you need to. No PUBLIC variables involved!

Or just make it a private variable. In any case Hubert, to decide wether or not you need to shut down, every 5 minutes look at teh X and Y positions of the mouse, as well as the LastKey(). If they are the same after 5 minutes, assume there has been no activity.