javascript - time & date picker

The best available - Date & Time picker scripts of Javascript

http://www.javascriptkit.com/script/script2/tengcalendar.shtml
http://www.rainforestnet.com/datetimepicker.htm -- the best one with more then 20 styles
http://www.rainforestnet.com/demo_datetimepicker.htm
http://www.nsftools.com/tips/DatePickerTest.htm -- simple data picker