Milonic JavaScript Menu

Thanks very much - wood for the trees and all that.

I've just been tinkering with a menu on a site (licence 202493) and am fairly sure I haven't done anything daft. I've upgraded to the latest version and still get the error (only on IE on a PC).

The menu can be found at:

http://validbeta.portunus.co.uk/pages/

With the source of the menu being at ...