This is a DHTML popup calendar control. Features include configurable CSS colors and fonts, shows today's date, dropdown lists for month and configurable years, month by month scrolling buttons.
The first script will redirect to the appropriate page after detecting for IE4+ or NS4+ else it will default to the page you've made for any browser. The second script will redirect after detecting for IE or NS (no version check) else will default to the page for any browser. The third redirect tag will redirect after the designated time.