Datebox Javascript ObjectdateBox is developed in the view to be ease work with date HTML form fields and represent a set of date fields as normal JavaScript Date object. The main thing which makes it differ is OOP. The script turned to be weighty, but it is not a big problem as mainly it is intended to be used in web interfaces so user will have to download it once. Main features: OOP structure; automatic recalculation of the day drop-down menu; correctly handles leap years; able to compose short and long dates