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The calendar pop-up has failed for the JSF Calendar that is added to pages via the Visual Web interface. Apparently it only happens for February where all of the days fit into 4 weeks. I've read web reports where if the system date is changed to another month / year the calendar tool works normal again. I'm assuming mine isn't the only project that has a large number of these widgets in it that are now not functioning. Granted, things will be fine when March rolls around, but this will occur again in the years 2015 and 2026.