How to change to old chatbox in FB...

for google chrome
copy & paste this link:
http://userscripts.org/scripts/source/107159.user.js
follow video instruction:
Refresh your FB page then poof!

for firefox browser:

For Mozilla Firefox users

First go to Tools
Add ons
Search "greasemonkey" in the searchbox
Install
Restart firefox or close it

open firefox after 5 seconds
Open the link mentioned below
Click Install
Prompt will appear again click Install refresh your FB page then poof!!!
Facebook Sidebar Chat Reversion for Greasemonkey

Posted in: change,facebook,fb chatbox,old chat box