That error from doing +Repair Disk Permissions+ can be safely ignored. It is just informational.
http://support.apple.com/kb/TS1448
Bonjour is a service that makes it easier to connect to local network devices, such as other computers and printers. It should not affect Internet access, especially a specific web site.
As a test, try creating a new admin user account in System Preferences
Accounts pane
http://docs.info.apple.com/article.html?path=Mac/10.6/en/8235.html
Log out and log in to the new account. Try running Safari and FireFox to access Google in the new account. Does the site load properly? I have a feeling it will. If it does, the cause is something in your normal user account. If the problem still recurs in the new account, then the cause is something at the system (OS) level. Either way, additional trouble-shooting can be better focused.