>I want to put a button on a form which the user can click and
>up pops a chat window with a text area and a combo filled with
>user names. You pick a user and send the IM. The other user(s)
>can then respond.

That exactly like my sample VFP Instant Messenger form looks like. :)

>This should work for both in-house network apps and non-networked
>applications. What would be nice is the ability to do something
>like AOL IM.

What do you mean by "non-networked" applications? Some local single user application which should talk to other applications' users?