Web Wiz CAPTCHA - Captcha Image Customisation

Captcha Image Customisation

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Category: Web Wiz Web App Support Forums
Forum Name: Web Wiz CAPTCHA
Forum Description: Support forum for the Web Wiz CAPTCHA security image.
URL: https://forums.webwiz.net/forum_posts.asp?TID=30720
Printed Date: 28 March 2026 at 9:18am
Software Version: Web Wiz Forums 12.08 - https://www.webwizforums.com

Topic: Captcha Image Customisation

Posted By: gm.tc
Subject: Captcha Image Customisation
Date Posted: 04 April 2013 at 11:05am

Hello,

I want to change the colors in the captcha image.

I've changed it in the "CAPTCHA_configuration.asp" and loaded it up again.

But the colors doesn't change, they are always the same as default.

CAPTCHA_configuration.asp Code:

'The settings below allow you to configure the colours, noise level, distortion type, etc. of the CAPTCHA image

'Background Colour
strCanvasColour = "f6070c"

'Border Colour
strBorderColour = "B79A5C"

'Character Colour
strCharacterColour = "B79A5C"

Everything works perfect but it doesn't take my color-change.

Thanks for your answers.

Replies:

Posted By: WebWiz-Bruce
Date Posted: 04 April 2013 at 11:36am

This sounds very odd and the only thing I can think is to check that you are uploading the updated configuration file to the correct location.

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Posted By: gm.tc
Date Posted: 04 April 2013 at 12:09pm

Thanks for your fast answer.

Nope, the location is definately correct. I downloaded the re-upped file to another location on my HD, the colors are changed in this document.

Maybe it's because my installation is a bit different to the guide?

What I made:

1. Uploaded the complete CAPTCHA directory in the same directory as the processing document.

2. Added this code in my form document:

<a href="javascript:reloadCAPTCHA();">load new image</a>

function reloadCAPTCHA()
{
document.getElementById('CAPTCHA').src='../itemacms/js/CAPTCHA/CAPTCHA_image.asp?'+Date();
}

</script>

Guide says a bit different but it works better for me in this way.

3. Added the two documents to my processing document:

4. Changed the link in the CAPTCHA_configuration.asp for "entered icorrectly":

'***** This is the name of the page you want users redirected to if CAPTCHA is entered incorrectly *****
'Place the page to be redirected to between the quote marks below
Const strIncorrectCAPTCHApage = "../../de/test06.asp"

5. Changed the color-hex in the CAPTCHA_configuration.asp

When I fill in the correct captcha-code I come correctly to my confirmation-site. Then email comes.

When I fill in the not correct captcha-code I come correctly to my "false-code-site".

So everything works but not the color-change.

Maybe you can help me with this information.

Posted By: Scotty32
Date Posted: 04 April 2013 at 12:28pm

The only thing that matters (in terms of the issue) is this line:

<img id="CAPTCHA" alt="" src="/itemacms/js/CAPTCHA/CAPTCHA_image.asp" />

Does the image file have the correct config file included in it? As I notice it appears to be in a different folder to the rest.

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Posted By: gm.tc
Date Posted: 04 April 2013 at 12:42pm

:-)

Scotty, you are my hero!

I had the documents before in a test-folder - and forgot to change this one link.

And I've not deleted the test-folder - so it worked but without the color-change.

Thanks very much to you and Bruce!