James right above the webcam on the right hand side click onto Live Feed to the right of Viewing Mode.
If that doesn't work then if you have java installed on your pc, then click onto Live Java View and if neither of those work then click onto Refreshing Still mode.
I'm having problems connecting to the cam on their website at the moment ... must be a lot of people trying to look in ... or else the Budweiser overlords deliberately took their cam down!