I think the classes were applied manually before the upgrade, too. This would be all the "yui-" class names. The upgraded requires that these be changed to "yui3-" so a find/replace on these strings in the calendar widget should be all that is required.
I think the classes were applied manually before the upgrade, too. This would be all the "yui-" class names. The upgraded requires that these be changed to "yui3-" so a find/replace on these strings in the calendar widget should be all that is required.