Download version 1.4.6 at http://arshaw.com/fullcalendar/download/ version 1.4.6 (5/31/10) - "selecting" days or timeslots - options: selectable, selectHelper, unselectAuto, unselectCancel - callbacks: select, unselect - methods: select, unselect - when dragging an event, the highlighting reflects the duration of the event - code compressing by Google Closure Compiler - bundled with jQuery 1.4.2 and jQuery UI 1.8.1