Neil, try deleting all your temporary internet files, cookies and history and check in your internet options what your homepage is set to.

Also, both of you take a look at this:-

http://www.liquidgeneration.com/sabotage/seal_sabotage.asp

It's just another funny flash animation thing, quite good. They've done the sound wrong though so you have to have your speakers up a bit more than normal to hear it properly when the music kicks in...