70844 Simple bot-blocker needed

I need something like ticketmaster, Captcha technology This script lets anyone with basic PHP/HTML skills to block spam bots from auto-filling forms on their sites. It lets you use CAPTCHA image-verification technology, much like TicketMaster, on the site for free with minimal coding and does not require you to install any special PHP Image libraries. Needs to be completed to satisfaction TODAY. This is need to block auto filling forms.