On this page:
http://www.britishsteam.com/smartmenus/sm-mint.htm
jQuery doesn’t seem to be loaded correctly:
http://www.britishsteam.com/smartmenus/jquery.js
Please fix this first and let me know if you still have any problems.
BTW, the upgrade process from 0.9.x to 1.0.x is covered in the following section of the manual:
http://www.smartmenus.org/docs/#upgrading-0-9-x
