Small javascript datepicker job

Avg Bid (USD)
Project Budget (USD)
$30 - $50

Project Description:
I have a joomla based site and want to include a simple date function on a page.

The site user will enter a date and the page will return whether they should belong to Year A, Year B, Year C etc.
There are about 5 catagories.

I'd want the code to pull the js libraries from so the code can be pasted straight into the joomla editor.
The code should be commented so it can be edited in coming years.

There are a couple of sites that do exactly this function which I'll can PM to you.

Skills required:
AJAX, HTML, Javascript, jQuery / Prototype, PHP
About the employer:
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