Index: recaptcha.admin.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/recaptcha/Attic/recaptcha.admin.inc,v
retrieving revision 1.1.2.1
diff -u -p -r1.1.2.1 recaptcha.admin.inc
--- recaptcha.admin.inc	10 Aug 2009 17:50:02 -0000	1.1.2.1
+++ recaptcha.admin.inc	8 Feb 2010 04:25:12 -0000
@@ -36,6 +36,12 @@ function recaptcha_admin_settings() {
     '#default_value' => variable_get('recaptcha_secure_connection', FALSE),
     '#description' => t('Connect to the reCAPTCHA server using a secure connection.'),
   );
+  $form['recaptcha_ajax_api'] = array(
+    '#type' => 'checkbox',
+    '#title' => t('AJAX API'),
+    '#default_value' => variable_get('recaptcha_ajax_api', FALSE),
+    '#description' => t('Use the AJAX API to display reCAPTCHA.'),
+  );
   $form['recaptcha_theme_settings'] = array(
     '#type' => 'fieldset',
     '#title' => t('Theme Settings'),
Index: recaptcha.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/recaptcha/Attic/recaptcha.module,v
retrieving revision 1.13.2.4.2.11.2.12
diff -u -p -r1.13.2.4.2.11.2.12 recaptcha.module
--- recaptcha.module	23 Sep 2009 17:27:35 -0000	1.13.2.4.2.11.2.12
+++ recaptcha.module	8 Feb 2010 04:25:13 -0000
@@ -86,10 +86,12 @@ function recaptcha_captcha() {
         $recaptcha_tabindex = variable_get('recaptcha_tabindex', NULL);
         $recaptcha_public_key = variable_get('recaptcha_public_key', '');
         $recaptcha_form_value = NULL;
+        $recaptcha_ajax_api = variable_get('recaptcha_ajax_api', FALSE);
+
 
         // Construct the Javascript, but only display it once.
         static $_recaptcha_jsadded = FALSE;
-        if ($_recaptcha_jsadded == FALSE) {
+        if ($_recaptcha_jsadded == FALSE && $recaptcha_ajax_api == FALSE) {
           $_recaptcha_jsadded = TRUE;
           $recaptcha_options = array(
             'theme' => $recaptcha_theme,
@@ -124,10 +126,23 @@ function recaptcha_captcha() {
           '#type' => 'hidden',
           '#value' => 'reCAPTCHA',
         );
-        $captcha['form']['captcha_form'] = array(
-          '#type' => 'item',
-          '#value' => ($recaptcha_form_value ? '<div id="recaptcha_custom_theme_widget">'. $recaptcha_form_value .'</div>' : '') . $html,
-        );
+        if ($recaptcha_ajax_api == FALSE) {
+          $captcha['form']['captcha_form'] = array(
+            '#type' => 'item',
+            '#value' => ($recaptcha_form_value ? '<div id="recaptcha_custom_theme_widget">'. $recaptcha_form_value .'</div>' : '') . $html,
+          );
+        }
+        else {
+         $html = ($recaptcha_theme == 'custom') ? theme('recaptcha_custom_widget') : '';
+          $captcha['form']['captcha_form'] = array(
+            '#type' => 'item',
+            '#value' => '<div id="recaptcha_ajax_api_container">'. $html .'</div>',
+          );
+          $js = "$(function() { Recaptcha.create('$recaptcha_public_key', 'recaptcha_ajax_api_container', {theme: '$recaptcha_theme'});});";
+          drupal_add_js($js, 'inline', 'header');
+          drupal_set_html_head('<script type="text/javascript" src="http://api.recaptcha.net/js/recaptcha_ajax.js"></script>');
+        }
+        
       }
       return $captcha;
   }