I implemented the code. However, the Captcha seems to no longer work. The page just reloads itself. I've included a link in the private comments below as well as attached the php file.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.