Our dev site has the slider working perfectly here:
However, we've just put the site live and it's not working here:
There is a js error viewable in firebug, which I have little hope of understanding without some help...
though that seems to be related to a facebook script
I'm happy to provide additional information if required. Any pointers greatly appreciated.
NOTE: There is now a new question concerning this here, which better explains the problem after more research.</div