Could you not ?

1. Generate a code and put it in a session variable
2. Create the validation picture and display to the user
3. On validating compare the code to the session variable

Regards
Scott.

""Bare"" <[EMAIL PROTECTED]> wrote in message 
news:[EMAIL PROTECTED]
> Can someone explain how the validation works?
> I have included a code (that generates random security code and places it 
> on a GIF) to the page where the submission form is. Now, when submitting a 
> comment, the user has to type and submit this security code.
> So far it's OK, but how to VALIDATE if he has typed the correct code?
> Cause after submitting the form, the code is generated again, but to be 
> able to validate submitter's code, I have to check if submitter's code is 
> equal to previously generated code, and not to the code that's generated 
> after submitting the form.
>
> Ok, I could store actual security code in a hidden text field of the form, 
> but then it wold be visible to spam bots, isn't it?
> Or maybe there's another way to do this?
>
>
> Thanks in advance! 

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