Hi, Dmitry.
>This has been driving me crazy for a long time. Please someone straighten me :-).
>
>Where do you use Login and where do you use Logon?
A few week ago I had dinner with Les Pinter here in Buenos Aires, and he explained us the golden rule about when to use IN and when to use ON:
Use IN when you want. 8-)
Seriously, something difficult about any language, but what's makes them rich, is the existence of different ways to say the same thing.
See you!