diff --git a/templates/variants/montpellier/combo/wcs/form_categories.html b/templates/variants/montpellier/combo/wcs/form_categories.html
index 792e734f..d318e7d0 100644
--- a/templates/variants/montpellier/combo/wcs/form_categories.html
+++ b/templates/variants/montpellier/combo/wcs/form_categories.html
@@ -59,12 +59,12 @@
   <h3>Les démarches dans les autres communes</h3>
   <div>
     <p>
-      <select onchange="displayCommune(this.value)">
+      <select onchange="displayCommune(this)">
         <option value="" selected>Choisissez une commune...</option>
         {% for categories in form_categories.values|dictsort:"title" %}
           {% with categories.variables|get:"ou-label"|default:categories.title as commune_name %}
             {% if commune_name != request.session.mellon_session.city.0  and categories.slug != 'agglo' %}
-              <option value="{{ categories.slug }}">{{ commune_name }}</option>
+            <option value="{{ categories.slug }}" data-url="{{ categories.base_url }}tryauth">{{ commune_name }}</option>
             {% endif %}
           {% endwith %}
         {% endfor %}
@@ -75,44 +75,12 @@
   </div>
 </div>
 
-<!-- Blocs des communes -->
-<div id="toutes-communes">
-  {% for slug, categories in form_categories.items %}
-    {% if categories.title != request.session.mellon_session.city.0  and slug != 'agglo' %}
-      <div id="categories-{{ slug }}" style="display: none;" class="categories-list">
-        {% with categories.variables|get:"ou-label"|default:categories.title as commune_name %}
-          <h3><a href="{{ categories.base_url }}tryauth">Démarches de {{ commune_name }}</a></h3>
-        {% endwith %}
-        {% if categories.data %}
-          <ul class="clearfix">
-            {% for category in categories.data %}
-              <li class="category-{{category.slug}}" data-keywords="{{category.keywords|join:' '}}">
-                <a href="{{ category.url }}tryauth">{{ category.title }}</a>
-                <ul>
-                  {% for form in category.forms %}
-                    <li {% if form.authentication_required %}class="required-authentication"{% endif %}
-                      data-keywords="{{form.keywords|join:' '}}"><a href="{{form.url}}">{{form.title}}</a></li>
-                  {% endfor %}
-                </ul>
-              </li>
-            {% endfor %}
-          </ul>
-        {% endif %}
-      </div>
-    {% endif %}
-  {% endfor %}
-</div>
-
 <script type="text/javascript">
-  function displayCommune(slug) {
-    var communes = document.getElementById('toutes-communes').children;
-    for (var i = 0; i < communes.length; i++) {
-      commune = communes[i];
-      if (commune.id == 'categories-'+slug) {
-        commune.style['display'] = "block";
-      } else {
-        commune.style['display'] = "none";
-      }
+  function displayCommune(select) {
+    var $option = $(select).find(':selected');
+    var url = $option.data('url');
+    if (url) {
+      window.location = url;
     }
   }
 </script>