Ok, I figured out the problem. I wasn't allowing the website to set cookies, and this was apparently pissing of that site.
It works now.
Edit: How come when I open up a second window in a tab (nice feature btw), more tabs keep opening without warning? For example, I was viewing the official WoW forums and a WoW class forum on IGN in the other tab. For some reason, after a couple of minutes, a third tab opened with gamespy homepage. Why does it do this?