jquery/jquery-ui — pull request #665 by Fordi (2012-05-24 17:55:11+00:00)
Title: This addresses http://bugs.jqueryui.com/ticket/5479, among other things

Added support for a zIndex option
Added support for an afterShow event
Enabled calling $.fn.datepicker('dialog', ...) on empty collections
Added a convenience function: $.datepicker.dialog(), equivalent to $().datepicker('dialog', ...)