Captchator: A simpler Captcha

Andreas S. wrote:

Being annoyed with the complexity of existing captcha implementations
(PStore, temporary files - wtf?), I rolled my own and turned it into an
easy-to-use webservice: http://captchator.ruby-forum.com/

I only have an example for using it with PHP there, but it's so trivial
to implement that any further examples seem unnecessary.

Please tell me what you think.

Hello,

I hope my response will not annoy you.

I am very new to rails and would like to implement your captchator on a
simple web form. Is there a set of directions for "implementing Andreas'
captchator for dummies"? I get the basic concept, but I am learning the
whole ruby on rails thing now and it's still a bit fuzzy in my mind. I
was able to get the captchator image to display

Next you say to:

Create or modify an existing form with a text field to send the captcha
answer to your script. (I'm not sure where or how to do this)

Then:

Your script needs to check the submitted captcha answer for correctness.
To do so, it loads the following URL from the Captchator server:|
(where do I do this?)

http://captchator.com/captcha/check_answer/$yoursessionid/$answer

(and where and how do I do this?)
If the answer is correct, the result is "1", if not, it is "0".

Any help you could give would be VERY MUCH appreciated.