The datePicker plugin is a popup calendar widget and then some. It allows you to add popup calendars to your forms to make it easier for users of your website to enter dates.
v2 of the date picker is a complete rewrite with the aim of being as extensible as possible. It is completely localisable and can be used in a myriad of different ways.
Please look through the selection of demos to see all the different ways the date picker can be used.