From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.0.1) Gecko/20020809
Description of problem:
The popup calendar is layered beneath the panel (most visible when a normal
sized panel is used).
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Click the applet
Yeah this is a bit pesky. Probably the popup should be an override-redirect
window with a grab, like a menu.
Should move this upstream (with the caveat that the calendar patch is in
upstream bugzilla but not applied yet ;-))
*** Bug 71830 has been marked as a duplicate of this bug. ***
Upstream as http://bugzilla.gnome.org/show_bug.cgi?id=103304