Index: captcha.js
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/captcha/captcha.js,v
retrieving revision 1.2
diff -u -r1.2 captcha.js
--- captcha.js	20 Feb 2010 10:07:39 -0000	1.2
+++ captcha.js	16 Nov 2010 12:43:06 -0000
@@ -2,7 +2,9 @@
 
 // TODO: change this to Drupal.behaviors.captchaadmin = function (context) {}
 $(document).ready(function(){
-
+	//Turn off Auto-Complete for input feild
+	$("#edit-captcha-response").attr("autocomplete", "off");
+	
 	// Add onclick handler to checkbox for adding a CAPTCHA description
 	// so that the textfields for the CAPTCHA description are hidden
 	// when no description should be added.
Index: captcha.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/captcha/captcha.module,v
retrieving revision 1.103.2.12
diff -u -r1.103.2.12 captcha.module
--- captcha.module	31 Oct 2010 10:01:50 -0000	1.103.2.12
+++ captcha.module	16 Nov 2010 12:44:20 -0000
@@ -665,7 +665,6 @@
           '#size' => 4,
           '#maxlength' => 2,
           '#required' => TRUE,
-          '#attributes' => array('autocomplete' => 'off'),
         );
         return $result;
       }
Index: image_captcha/image_captcha.js
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/captcha/image_captcha/image_captcha.js,v
retrieving revision 1.1
diff -u -r1.1 image_captcha.js
--- image_captcha/image_captcha.js	21 Jun 2009 16:01:53 -0000	1.1
+++ image_captcha/image_captcha.js	16 Nov 2010 12:43:48 -0000
@@ -1,7 +1,9 @@
 // $Id: image_captcha.js,v 1.1 2009/06/21 16:01:53 soxofaan Exp $
 
 $(document).ready(function(){
-
+	//Turn off Auto-Complete for input feild
+	$("#edit-captcha-response").attr("autocomplete", "off");
+	
 	// Helper function to show/hide noise level widget.
 	var noise_level_shower = function(speed) {
 		speed = (typeof speed == 'undefined') ? 'slow' : speed;
Index: image_captcha/image_captcha.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/captcha/image_captcha/image_captcha.module,v
retrieving revision 1.33.2.2
diff -u -r1.33.2.2 image_captcha.module
--- image_captcha/image_captcha.module	20 Oct 2010 19:35:07 -0000	1.33.2.2
+++ image_captcha/image_captcha.module	16 Nov 2010 12:44:05 -0000
@@ -230,7 +230,6 @@
           '#weight' => 0,
           '#required' => TRUE,
           '#size' => 15,
-          '#attributes' => array('autocomplete' => 'off'),
         );
 
         // Handle the case insensitive validation option combined with ignoring spaces.