Cockatoo,
Is your browser IE6?
If so... I would make sure you browser isn't infested first...
Spybot Search and Destroy -
http://security.kolla.de/
Ad-Aware -
http://www.lavasoftusa.com/software/adaware/
CWShredder -
http://www.spywareinfo.com/~merijn/downloads.html
.. then you need to check all you browser settings and make sure you dont have some vital bits "turned off" (javascript etc)
BTW - what operating system are you using, and if it's Micro$oft - do you have SP2 installed? It could be the M$ firewall fukin with you.
DD