Basically we need someone familiar with programming languages to follow the instructions laid out in this thread [url removed, login to view]:Topic:37569
It involves taking addonchat, which is a hosted chat solution, installing it on a ning page, and then setting the ning parameters to pass the user name and password of logged in losers.
The one small modification we need is for it to redircet users who are not logged in to the login screen.
It should be pretty simple and straight forward. All of the instructions are at the top of that forum post. We just need someone whose comfortable with programming to implement it.
Let us know if you have any questions.