>OK, does that mean that I should contact someone else to request this, and if so what is the address of "the provider" in question?
>My assumption is that, just as "Click" is an event available to a page coder, so some event may be available when a user scrolls to the bottom/top of a page.

If you want me to change the mousewheel capabilities, I'm not the right person to contact. Everything that is Windows or hardware specific is not under my control.