firefox i18n

From: Gianluca Cecchi <gianluca cecchi gmail com>
To: Development discussions related to Fedora Core <fedora-devel-list redhat com>
Subject: firefox i18n
Date: Fri, 13 Jan 2006 20:31:11 +0100

Where are languages files for firefox?
If I select italian language in my gnome session, firefox menu items
are still in english.
Gianluca