Disable Facebook Chat Sidebar

I guess most people hate the new Facebook Chat Sidebar 
You can install the addon or userscripts below to revert back to the Old FB Chat

Chrome
https://chrome.google.com/webstore/detail/bfipfkeoidmndggnnpobeenlamiclald?hl=en

Firefox
https://addons.mozilla.org/en-US/firefox/addon/fb-chat-sidebar-disabler/

Opera 
https://addons.opera.com/addons/extensions/details/facebook-chat-sidebar-disabler/?display=en


OR

Userscripts
http://userscripts.org/scripts/show/107159 (Firefox , Opera ,Chrome)


Hope Everyone Enjoys It