[Lauren]

LOL Shaun, give me a sec... I remember a similar thread on another forum I'm on and people gave possible solutions that might help you... I'll go findy.

Edit: Think the OP deleted it, cos I can't find it anywhere.

Sooo, I only remember one possible solution.
On firefox.

Tools -> Options -> Advanced -> (General tab) -> Then either tick/untick 'Use smooth scrolling'.