Roundup: 0.8.0 b1
Browser: MSIE, Opera 7.54 on Win XP SP2

Classhelp popups (Opened by clicking a (list) links 
next to a field) do not work.
Clicking on (list) opens a popup, and the selection is 
correctly updated when the checkboxes are toggled. 
But pressing either "Apply" or "Cancel" buttons has 
no effect.