diff --git a/better_exposed_filters.js b/better_exposed_filters.js
index 7bfcf66..295be76 100644
--- a/better_exposed_filters.js
+++ b/better_exposed_filters.js
@@ -245,6 +245,102 @@
     }
   };
 
+  // This is only needed to provide ajax functionality
+  Drupal.behaviors.better_exposed_filters_select_as_links = {
+    attach: function(context, settings) {
+
+      $('.bef-select-as-links', context).once(function() {
+        var $element = $(this);
+
+        // Check if ajax submission is enabled. If it's not enabled then we
+        // don't need to attach our custom submission handling, because the
+        // links are already properly built.
+
+        // First check if any ajax views are contained in the current page.
+        if (typeof settings.views == 'undefined' || typeof settings.views.ajaxViews == 'undefined') {
+          return;
+        }
+
+        // Now check that the view for which the current filter block is used,
+        // is part of the configured ajax views.
+        var $uses_ajax = false;
+        $.each(settings.views.ajaxViews, function(i, item) {
+          var $view_name = item.view_name.replace(/_/g, '-');
+          var $view_display_id = item.view_display_id.replace(/_/g, '-');
+          var $id = 'views-exposed-form-' + $view_name + '-' + $view_display_id;
+          var $form_id = $element.parents('form').attr('id');
+          if ($form_id == $id) {
+            $uses_ajax = true;
+            return;
+          }
+        });
+
+        // If no ajax is used for form submission, we quit here.
+        if (!$uses_ajax) {
+          return;
+        }
+
+        // Attach selection toggle and form submit on click to each link.
+        $(this).find('a').click(function(event) {
+          var $wrapper = $(this).parents('.bef-select-as-links');
+          var $options = $wrapper.find('select option');
+          // We have to prevent the page load triggered by the links.
+          event.preventDefault();
+          event.stopPropagation();
+          // Un select old select value.
+          $wrapper.find('select option').removeAttr('selected');
+
+          // Set the corresponding option inside the select element as selected.
+          var link_text = $(this).text();
+          $selected = $options.filter(function() {
+            return $(this).text() == link_text;
+          });
+          $selected.attr('selected', 'selected');
+          $wrapper.find('.bef-new-value').val($selected.val());
+          $wrapper.find('a').removeClass('active');
+          $(this).addClass('active');
+          // Submit the form.
+          $wrapper.parents('form').find('.views-submit-button *[type=submit]').click();
+        });
+      });
+    }
+  };
+
+  Drupal.behaviors.betterExposedFiltersRequiredFilter = {
+    attach: function(context, settings) {
+      // Required checkboxes should re-check all inputs if a user un-checks
+      // them all.
+      $('.bef-select-as-checkboxes', context).once('bef-required-filter').ajaxComplete(function (e, xhr, s) {
+        var $element = $(this);
+
+        if (typeof settings.views == 'undefined' || typeof settings.views.ajaxViews == 'undefined') {
+          return;
+        }
+
+        // Now check that the view for which the current filter block is used,
+        // is part of the configured ajax views.
+        var $view_name;
+        var $view_display_id;
+        var $uses_ajax = false;
+        $.each(settings.views.ajaxViews, function(i, item) {
+          $view_name = item.view_name;
+          $view_display_id = item.view_display_id;
+          var $id = 'views-exposed-form-' + $view_name.replace(/_/g, '-') + '-' + $view_display_id.replace(/_/g, '-');
+          var $form_id = $element.parents('form').attr('id');
+          if ($form_id == $id) {
+            $uses_ajax = true;
+            return;
+          }
+        });
+
+        var $filter_name = $('input', this).attr('name').slice(0, -2);
+        if (Drupal.settings.better_exposed_filters.views[$view_name].displays[$view_display_id].filters[$filter_name].required && $('input:checked', this).length == 0) {
+          $('input', this).prop('checked', true);
+        }
+      });
+    }
+  }
+
   /*
    * Helper functions
    */
diff --git a/better_exposed_filters.module b/better_exposed_filters.module
index f53ae12..62af4b8 100644
--- a/better_exposed_filters.module
+++ b/better_exposed_filters.module
@@ -209,3 +209,32 @@ function better_exposed_filters_i18n_string_info() {
   );
   return $groups;
 }
+
+/**
+ * Implements hook_preprocess_views_view().
+ */
+function better_exposed_filters_preprocess_views_view(&$vars) {
+  $filters = array();
+  foreach ($vars['view']->filter as $filter) {
+    if ($filter->options['exposed']) {
+      $identifier = $filter->options['is_grouped'] ? $filter->options['group_info']['identifier'] : $filter->options['expose']['identifier'];
+      $filters[$identifier] = array(
+        'required' => $filter->options['expose']['required'] ? true : false,
+      );
+    }
+  }
+
+  $bef_js = array(
+    'views' => array(
+      $vars['view']->name => array(
+        'displays' => array(
+          $vars['view']->current_display => array(
+            'filters' => $filters,
+          ),
+        ),
+      ),
+    ),
+  );
+
+  drupal_add_js(array('better_exposed_filters' => $bef_js), 'setting');
+}
diff --git a/better_exposed_filters.theme b/better_exposed_filters.theme
index 47c5480..3c1ac3d 100644
--- a/better_exposed_filters.theme
+++ b/better_exposed_filters.theme
@@ -458,8 +458,8 @@ function theme_select_as_links($vars) {
   // Collect selected values so we can properly style the links later.
   $selected_options = array();
   if (empty($element['#value'])) {
-    if (!empty($element['#default_values'])) {
-      $selected_options[] = $element['#default_values'];
+    if (!empty($element['#default_value'])) {
+      $selected_options[] = $element['#default_value'];
     }
   }
   else {
@@ -541,26 +541,25 @@ function theme_select_as_links($vars) {
         '#type' => 'bef-link',
         '#name' => $id,
       );
-      if (array_search($key, $selected_options) === FALSE) {
-        $elem['#children'] = l($value, bef_replace_query_string_arg($name, $key, $multiple, FALSE, $path));
-        //$output .= theme('form_element', array('element' => $elem));
-        $element_output = theme('form_element', array('element' => $elem));
-
-          if ($element['#name'] == 'sort_bef_combine' && !empty($element['#settings']['toggle_links'])) {
-            $sort_pair = explode(' ', $key);
-            if (count($sort_pair) == 2) {
-              // Highlight the link if it is the selected sort_by (can be either
-              // asc or desc, it doesn't matter).
-             if (strpos($selected_options[0], $sort_pair[0]) === 0) {
-                $element_output = str_replace('form-item', 'form-item selected', $element_output);
-              }
-            }
+
+      $link_options = array();
+      // Add "active" class to the currently active filter link.
+      if (in_array((string) $key, $selected_options)) {
+        $link_options['attributes'] = array('class' => 'active');
+      }
+      $url = bef_replace_query_string_arg($name, $key, $multiple, FALSE, $path);
+      $elem['#children'] = l($value, $url, $link_options);
+      $element_output = theme('form_element', array('element' => $elem));
+
+      if ($element['#name'] == 'sort_bef_combine' && !empty($element['#settings']['toggle_links'])) {
+        $sort_pair = explode(' ', $key);
+        if (count($sort_pair) == 2) {
+          // Highlight the link if it is the selected sort_by (can be either
+          // asc or desc, it doesn't matter).
+         if (strpos($selected_options[0], $sort_pair[0]) === 0) {
+            $element_output = str_replace('form-item', 'form-item selected', $element_output);
           }
-        } else {
-        $elem['#children'] = l($value, bef_replace_query_string_arg($name, $key, $multiple, TRUE, $path));
-        _form_set_class($elem, array('bef-select-as-links-selected'));
-        //$output .= str_replace('form-item', 'form-item selected', theme('form_element', array('element' => $elem)));
-        $element_output = str_replace('form-item', 'form-item selected', theme('form_element', array('element' => $elem)));
+        }
       }
       $output .= $element_output;
 
@@ -574,14 +573,18 @@ function theme_select_as_links($vars) {
 
   $output = '<div class="bef-select-as-links">';
   $output .= theme('form_element', array('element' => $properties));
+
+  // Add attribute that hides the select form element.
+  $vars['element']['#attributes']['style'] = 'display: none;';
+  $output .= theme('select', array('element' => $vars['element']));
   if (!empty($element['#value'])) {
     if (is_array($element['#value'])) {
       foreach ($element['#value'] as $value) {
-        $output .= '<input type="hidden" name="' . $name . '[]" value="' . $value . '" />';
+        $output .= '<input type="hidden" class="bef-new-value" name="' . $name . '[]" value="' . $value . '" />';
       }
     }
     else {
-      $output .= '<input type="hidden" name="' . $name . '" value="' . $element['#value'] . '" />';
+      $output .= '<input type="hidden" class="bef-new-value" name="' . $name . '" value="' . $element['#value'] . '" />';
     }
   }
   $output .= '</div>';
diff --git a/better_exposed_filters_exposed_form_plugin.inc b/better_exposed_filters_exposed_form_plugin.inc
index 2da6c53..7625b56 100644
--- a/better_exposed_filters_exposed_form_plugin.inc
+++ b/better_exposed_filters_exposed_form_plugin.inc
@@ -802,6 +802,7 @@ Title Desc|Z -> A</pre> Leave the replacement value blank to remove an option al
 
           case 'bef_links':
           case 'bef_toggle_links':
+            $bef_add_js = TRUE;
             $form['sort_bef_combine']['#theme'] = 'select_as_links';
 
             // Exposed form displayed as blocks can appear on pages other than
@@ -902,6 +903,20 @@ Title Desc|Z -> A</pre> Leave the replacement value blank to remove an option al
         }
       }
     }
+    elseif (isset($settings['sort']) && !empty($form['sort_by'])) {
+      if ('bef_links' == $settings['sort']['bef_format']) {
+        $bef_add_js = TRUE;
+        $form['sort_by']['#theme'] = 'select_as_links';
+
+        // Exposed form displayed as blocks can appear on pages other than
+        // the view results appear on. This can cause problems with
+        // select_as_links options as they will use the wrong path. We
+        // provide a hint for theme functions to correct this.
+        if (!empty($this->display->display_options['exposed_block'])) {
+          $form['sort_by']['#bef_path'] = $this->display->display_options['path'];
+        }
+      }
+    }
     /* Ends: if (isset($settings['sort'])) { */
 
     /*
@@ -923,6 +938,7 @@ Title Desc|Z -> A</pre> Leave the replacement value blank to remove an option al
 
         case 'bef_links':
           if (count($form['items_per_page']['#options']) > 1) {
+            $bef_add_js = TRUE;
             $form['items_per_page']['#theme'] = 'select_as_links';
             $form['items_per_page']['#items_per_page'] = max($form['items_per_page']['#default_value'], key($form['items_per_page']['#options']));
 
@@ -1213,6 +1229,7 @@ Title Desc|Z -> A</pre> Leave the replacement value blank to remove an option al
 
         case 'bef_links':
           $show_apply = TRUE;
+          $bef_add_js = TRUE;
           $form[$filter_id]['#theme'] = 'select_as_links';
 
           // Exposed form displayed as blocks can appear on pages other than