Wednesday, June 22, 2011

JavaScript Captcha implement, Form Captcha validation, captcha implementation using image and MD5

CAPTCHAs are used in attempts to prevent automated software from performing actions which degrade the quality of service of a given system, whether due to abuse or resource expenditure.

Its very difficult to implement captch into Static HTML  pages. so here i am providing simple code to implement captcha.

use script function to create input and image field in your for and link the md5.js and jcap.js in your HTML source.

<script type="text/javascript">sjcap();</script>

website using this script for using captcha.
 View online
Download source code


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