Allows a user to highlight multiple days or timeslots by clicking and dragging.
Boolean/View Option Hash, default:
To let the user make selections by clicking and dragging,
this option must be set to
To learn the ways in which selections can be cleared, read the docs for the unselect callback.
To view an example of how to create a new event based on a user's selection see "demos/selectable.html" in the download, or visit this page.