this problem always happens on my school computers and they stopped using FF coz of the endless possiblities you can manage with it.
I'm pretty sure its just the site, I have the same problem with outwar too. I never really get it anywhere else though, except with sites with java in them, firefox doesn't work well with java for me. And I hate opera, its by far the slowest browser I have ever used in my entire life, no exaggeration. For me, Internet Explorer is faster than Opera, I don't know how, but it is. FF is the fastest, and Opera uses a lot of resources.
