ok, the form thing on horrorbox keeps getting filled out with crap 
from bots.
im looking for the script that does the little graphic and the user 
has to enter the code into a feild to prove its a real person....

i dont know what its called, where to get it, or maby how to code it...

any help?

5 responses total.

 It's called a captcha.
 http://en.wikipedia.org/wiki/Captchas

 Now that you know what it's called, it should be relatively easy to
 find a ready-made package to do it for you.

CAPTCHA = "Completely Automated Public Turing test to tell Computers and
           Humans Apart"

The Wikipedia article has interesting discussion about different types 
of CAPTCHAs and techniques for defeating them, some of which are quite 
ingenious.  Edge-detection techniques can be used to decipher the 
characters in a simple graphical CAPTCHA, for example, althought there 
are techniques for making edge-detection difficult.  

Fighting form spam may prove to be as difficult as fighting email spam.  
In any case, I'm not surprised that it's difficult to define a *simple* 
test for distinguishing humans from computers.

thanks guys,

Has anyone tried a "captcha" where the user has to accurately specify, for
example, the local of a special icon some random place on the screen?

Haven't seen that specifically, but at first glance it would seem that one 
could cook up something that would be easy for a human to solve but 
difficult to automate - e.g. a small randomly generated of icons depicting 
animals, and you're supposed to type in the coordinates of the horse.

But - there are techniques for defeating captchas that have human beings 
in the loop.  See the Wikipedia article cited above.

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