4trick: Get back old facebook chat

For browser Mozilla Firefox

1. Download Greasemonkey addon. Download here
2. Restart your browser
3. Install the Facebook Sidebar Chat Revision Script. Download here.... (Click on install button at Top-Right)

For browser Google Chrome

1. Install the Facebook Sidebar Chat Revision Script. Download here.... (Click on install button at Top-Right)

Now login into your Facebook account and use old Facebook Chat