Have you tried using another brand of browser to isolate the problem Con?
Plenty available freely along these lines:
Amaya, Arachne, Barque, Beonex, BrowseX, Cheetah, Cineast, Dillo, Emacs W3, Encompass, Epiphany, Firefox, Galeon, Grail, HotJAVA, Ice, Jazilla, Jozilla, Konqueror, Kylie, Light, Lynx, Minimo, Netraider, Netscape, Opera, Pyleon, Skipstone, Star Office, ViewML and Zen.
I'm not sure if any of them are endorsed by the Cardinals though
Rob