It does work, I used it.

You ned a Hotmail or MSN acount.
You CAN add buddies from the DC.

1.Sign in with Frames ON
2.Under options turn Frames OFF
3.Click the ONLINE person you want to IM.
4.Click Show Message Box
5.After sending to see replies hit reload (Top)
6.Change status, add new contact, etc. click
the contacts option to get back to the main
menu. (or IM another person).
7. You can't contact offline people.
8. There are options to be "invisible", away, on
the phone, busy, out to lunch, BRB or online.

These directections may not apply to other
browsers. I can't log-in with frames off but
do have to turn them off right after logging
in or it doesn't work properly.