Back button doesn't work

[David Zuidema]

In the last two nightlies I have tried (2001121219 and previous) the 
back button is never highlighted and 'back' from the menus is greyed out.
-- 
David Zuidema, IT Services
School of Physics & Materials Engineering
Monash University, Australia
Ph:61 3 990 53660 Fax:61 3 990 53637