diff --git a/recaptcha.js b/recaptcha.js
new file mode 100644
index 0000000..d44a0ad
--- /dev/null
+++ b/recaptcha.js
@@ -0,0 +1,27 @@
+(function ($, window, document) {
+
+  Drupal.behaviors.recaptcha = {
+    attach: function (context, settings) {
+      $('.g-recaptcha', context).each(function () {
+        if (typeof grecaptcha == 'undefined') {
+          return;
+        }
+        if ($(this).hasClass('drupal-recaptcha-processed')) {
+          grecaptcha.reset();
+        }
+        else {
+          grecaptcha.render(this, $(this).data());
+          $(this).addClass('drupal-recaptcha-processed');
+        }
+
+      });
+    }
+  }
+
+  window.drupalRecaptchaOnload = function () {
+    $('.g-recaptcha').each(function () {
+      grecaptcha.render(this, $(this).data());
+      $(this).addClass('drupal-recaptcha-processed');
+    });
+  }
+})(jQuery, window, document);
\ No newline at end of file
diff --git a/recaptcha.module b/recaptcha.module
index 1e65aab..b44520a 100644
--- a/recaptcha.module
+++ b/recaptcha.module
@@ -68,7 +68,7 @@ function recaptcha_permission() {
 /**
  * Implements hook_captcha().
  */
-function recaptcha_captcha($op, $captcha_type = '') {
+function recaptcha_captcha($op, $captcha_type = '',  $captcha_sid = '') {
   global $language;
 
   switch ($op) {
@@ -101,6 +101,7 @@ function recaptcha_captcha($op, $captcha_type = '') {
           }
 
           $attributes = array(
+            'id'=>'g-recaptcha'.$captcha_sid,
             'class' => 'g-recaptcha',
             'data-sitekey' => $recaptcha_site_key,
             'data-theme' => variable_get('recaptcha_theme', 'light'),
@@ -114,6 +115,11 @@ function recaptcha_captcha($op, $captcha_type = '') {
           $captcha['form']['recaptcha_widget'] = array(
             '#markup' => '<div' . drupal_attributes($attributes) . '></div>',
             '#suffix' => $noscript,
+            '#attached' => array(
+              'js' => array(
+                drupal_get_path('module', 'recaptcha') . '/recaptcha.js',
+              ),
+            ),
           );
 
           // @todo: #1664602: D7 does not yet support "async" in drupal_add_js().
@@ -122,14 +128,30 @@ function recaptcha_captcha($op, $captcha_type = '') {
             '#tag' => 'script',
             '#value' => '',
             '#attributes' => array(
-              'src' => url('https://www.google.com/recaptcha/api.js', array('query' => array('hl' => $language->language), 'absolute' => TRUE)),
+              'src' => url('https://www.google.com/recaptcha/api.js?onload=ReCaptchaCallbackForMultiple&render=explicit', array('query' => array('hl' => $language->language), 'absolute' => TRUE)),
               'async' => 'async',
               'defer' => 'defer',
             ),
           );
           drupal_add_html_head($data, 'recaptcha_api');
-        }
-        else {
+
+          //to make it display multiple
+          $current_head = drupal_add_html_head();
+          $callback_script = (isset($current_head['recaptcha_render_callback_script'])) ? $current_head['recaptcha_render_callback_script'] : NULL;
+          if (!isset($callback_script)){
+            $callback_script = array(
+              '#type' => 'markup',
+              '#markup' => '<script type="text/javascript">
+                  var ReCaptchaCallbackForMultiple = function(){
+                  };
+              </script>',
+            );
+          }
+          $callback_script = str_replace('var ReCaptchaCallbackForMultiple = function(){',
+              'var ReCaptchaCallbackForMultiple = function(){'.
+              'grecaptcha.render(\'g-recaptcha'.($captcha_sid).'\', {\'sitekey\' : \''.$recaptcha_site_key.'\'});', $callback_script);
+          drupal_add_html_head($callback_script, 'recaptcha_render_callback_script');
+        } else {
           // Fallback to Math captcha as reCAPTCHA is not configured.
           $captcha = captcha_captcha('generate', 'Math');
         }
diff --git a/recaptcha.test b/recaptcha.test
index 4afedf7..f262a76 100644
--- a/recaptcha.test
+++ b/recaptcha.test
@@ -127,13 +127,17 @@ class ReCaptchaBasicTest extends DrupalWebTestCase {
 
     // Check if there is a reCAPTCHA on the login form.
     $this->drupalGet('user');
-    $this->assertRaw($grecaptcha, '[testReCaptchaOnLoginForm]: reCAPTCHA is shown on form.');
-    $this->assertRaw('<script src="https://www.google.com/recaptcha/api.js?hl=' . $language->language . '" async="async" defer="defer"></script>', '[testReCaptchaOnLoginForm]: reCAPTCHA is shown on form.');
+    $captcha_sid = $this->getCaptchaSid();
+    $grecaptcha = '<div id="g-recaptcha' . $captcha_sid . '" class="g-recaptcha" data-sitekey="' . $site_key . '" data-theme="light" data-type="image"></div>';
+    $this->assertRaw($grecaptcha, '[testReCaptchaOnLoginForm]: reCAPTCHA is shown on form.' . $grecaptcha);
+    $this->assertRaw('<script src="https://www.google.com/recaptcha/api.js?onload=ReCaptchaCallbackForMultiple&amp;render=explicit&amp;hl=' . $language->language . '" async="async" defer="defer"></script>', '[testReCaptchaOnLoginForm]: reCAPTCHA is shown on form.');
     $this->assertNoRaw($grecaptcha . '<noscript>', '[testReCaptchaOnLoginForm]: NoScript code is not enabled for the reCAPTCHA.');
 
     // Test if the fall back url is properly build and noscript code added.
     variable_set('recaptcha_noscript', 1);
     $this->drupalGet('user');
+    $captcha_sid = $this->getCaptchaSid();
+    $grecaptcha = '<div id="g-recaptcha' . $captcha_sid . '" class="g-recaptcha" data-sitekey="' . $site_key . '" data-theme="light" data-type="image"></div>';
     $this->assertRaw($grecaptcha . '<noscript>', '[testReCaptchaOnLoginForm]: NoScript for reCAPTCHA is shown on form.');
     $this->assertRaw('https://www.google.com/recaptcha/api/fallback?k=' . $site_key . '&amp;hl=' . $language->language, '[testReCaptchaOnLoginForm]: Fallback URL with IFRAME has been found.');
 
@@ -176,4 +180,13 @@ class ReCaptchaBasicTest extends DrupalWebTestCase {
     $this->assertField('pass', t('Password field found.'), 'reCAPTCHA');
   }
 
+  /**
+   * Get captcha_sid.
+   */
+  protected function getCaptchaSid() {
+    $elements = $this->xpath('//input[@name="captcha_sid"]');
+    $captcha_sid = (int) $elements[0]['value'];
+    return $captcha_sid;
+  }
+
 }