Make all of your coworkers aware of which browser you endorse. Bring it up often in case people forget. Frame every discussion in terms of your preferred browser: "But have you looked at the online catalog through Netscape?" Realize that other people may not appreciate your browser like you do and that it is your responsibility to enlighten them. Go forth and spread the gospel. And while you're at it, launch an aggressive campaign to make all the library's public workstations reflect your browser preference too.
Editor's note: This post created with Mozilla Firefox 1.0.7.