Replace new chatbar to old chatbar in FACEBOOK

here we see that how to remove new facebook chat bar and get old facebook chatbar with some easy or few steps.
In newer version of facebook the facebook chat bar is not desireble as old chat bar in facebook.
now here are some few step to get old chat bar in facebook.
To get old chat bar first of all install facebook sidebar chat reversion.
to install facebook sidebar chat reversion open this link:
http://userscripts.org/scripts/show/107159

now open this link in new tab.
you can see this type of image on your browser.

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