The Facebook Toolbar for Firefox is a free extension for Firefox that lets you search the facebook from your browser and extend your Facebook experience into your everyday browsing.

To download the toolbar copy and paste this link in your navigator

http://developers.facebook.com/toolbar/

A Firefox toolbar for Facebook.

Some features include:
- Automatically login
- Check for new messages
- Lists updated friends, and what they've updated
- Search bar to quickly find friends, events, and groups.
- Quick links to the Facebook home, Friends, Events, and Message Pages

To download copy and paste this link to your browser

https://addons.mozilla.org/en-US/firefox/addon/3855