Era Captcha

Era Captcha is really simple and colorful captcha class. Some key features are:

- Three-way verification [Session, Cookie, Session + Cookie both]
- Three diffrent captcha style [Mathematics, random words and numbers, dictionary]
- 3 line code block
- Very easy to configure
- Support multiple instances
- Encrypt captcha data with user IP and user-agent
- Verifiying form element too simple

Online Documentation :
http://envato.erdemarslan.com/codecanyon/era_captcha/documentation/index.html
Online WorkSheet :
http://envato.erdemarslan.com/codecanyon/era_captcha/documentation/worksheet.html