DateClick Professional -

DateClick is a JavaScript Popup Calendar
Give your users an attractive popup calendar for a faster, easier way to fill out forms on your web site or application!

With DateClick, you will...
Save your users time. Dates can now be entered visually via a familiar and user friendly interface.
Save yourself time. Chances are, if you werent going to create your own JavaScript popup calendar, you would at least have to write code to validate date entries. DateClick returns a valid date every time it is used.
Whenever your forms are asking a user to fill in a date field, whether it be posting dates for a blog, departure dates for a flight, or user info like a date of birth, your form will benefit from a DHTML popup calendar. Date fields are prone to many well-known problems, such as typos, confusion regarding date formats, time consuming, etc.. Javascript popup calendars are now expected to be part of your GUI. Traditionally, they are time consuming to program, and almost impossible to test for every different platform. DateClick solves all of these problems.