How to use old facebook chat

As we all know that facebook now combined with skype to install one more feature in chat. And its vedio calling service, now if your internet inclined with a high speed or you use 3G to more speed net then only you can chat on facebook.
But what about the old facebook chat ?
Ohh well there is only one way to get old facebook chat back.
Just pop out the chat in new window from the following link.

http://www.facebook.com/presence/popo​ut.php

Or if you use mozilla firefox then you can install this GM script (You may first need
to install Greasemonkey)

http://www.userscripts.org/scripts/
show/107107

Enjoy with old facebook chat :)
BY- xtream coder