CodeThatCalendar PRO is the PROFESSIONAL version of the CodeThatCalendar script. PRO version has all the functionality offered by the Standard and also supports inline, if3rame modes, opacity and other advanced features. CodeThatCalendar Standard/PRO enables you easily add the date/time picker to your form or page. Both popup and inline calendars are supported. Features include support for current date and week highlighting, localization, CSS support.