Index: captcha.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/captcha/captcha.inc,v
retrieving revision 1.19
diff -u -r1.19 captcha.inc
--- captcha.inc	31 Dec 2010 01:45:49 -0000	1.19
+++ captcha.inc	2 Feb 2011 10:47:53 -0000
@@ -331,6 +331,9 @@
  * @param $captcha_element the CAPTCHA element to insert.
  */
 function _captcha_insert_captcha_element(&$form, $placement, $captcha_element) {
+  // Use javascript for some added usability on admin form.
+  drupal_add_js(drupal_get_path('module', 'captcha') . '/captcha.js');
+  
   // Get path, target and target weight or use defaults if not available.
   $target_key = isset($placement['key']) ? $placement['key'] : NULL;
   $target_weight = isset($placement['weight']) ? $placement['weight'] : NULL;
Index: captcha.js
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/captcha/captcha.js,v
retrieving revision 1.4
diff -u -r1.4 captcha.js
--- captcha.js	20 Feb 2010 16:57:41 -0000	1.4
+++ captcha.js	2 Feb 2011 10:46:40 -0000
@@ -27,4 +27,10 @@
 
 };
 
+Drupal.behaviors.captcha = {
+  attach: function (context) {
+  // Turn off autocompletion for the CAPTCHA response field
+  $("#edit-captcha-response").attr("autocomplete", "off");
+  }
+};
 })(jQuery);
Index: captcha.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/captcha/captcha.module,v
retrieving revision 1.121
diff -u -r1.121 captcha.module
--- captcha.module	30 Dec 2010 00:29:15 -0000	1.121
+++ captcha.module	2 Feb 2011 10:47:08 -0000
@@ -692,7 +692,6 @@
           '#size' => 4,
           '#maxlength' => 2,
           '#required' => TRUE,
-          '#attributes' => array('autocomplete' => 'off'),
         );
         return $result;
       }
Index: image_captcha/image_captcha.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/captcha/image_captcha/image_captcha.module,v
retrieving revision 1.39
diff -u -r1.39 image_captcha.module
--- image_captcha/image_captcha.module	29 Nov 2010 00:12:19 -0000	1.39
+++ image_captcha/image_captcha.module	2 Feb 2011 10:48:11 -0000
@@ -255,7 +255,6 @@
           '#weight' => 0,
           '#required' => TRUE,
           '#size' => 15,
-          '#attributes' => array('autocomplete' => 'off'),
         );
 
         // Handle the case insensitive validation option combined with ignoring spaces.