>Nadya,
>
>I'd probably use a Timer event that fired evey 'n' minutes (15, 30, 60?) and kept track of inactivity. I suppose you could also use this to log folks off if you wished as well...

Yes, it's a solution, which everybody would use. But my question is a little bit wider: does inkey(0,"HM") reacts on all mouse movements or only in this particular application? Same for lastkey()? Guess, I have to check it by myself...