Hamlinks

HamLinks: The Ham Radio Toolbar for Firefox and IE
HamLinks is a free ham radio toolbar that extends your (Internet Explorer or Firefox) web browser to give ham radio operators quick access to great ham radio content. It's completely free, easy to install (and uninstall) and can be configured by the user. No registrations, spyware, spam or other hooks.

http://www.n0hr.com/Ham_Radio_Toolbar.htm