diff --git a/studialis_webform/components/com_event.inc b/studialis_webform/components/com_event.inc
index 34a4647..5b9a489 100644
--- a/studialis_webform/components/com_event.inc
+++ b/studialis_webform/components/com_event.inc
@@ -253,6 +253,12 @@ function _webform_select_event_html($uc_ci_id,
                                     $ldf_first = NULL)
 {
 
+  $count_uc = db_select('commercial_item', 'ci')
+    ->fields('ci', array())
+    ->condition('type', 'commercial_unit', '=')
+    ->execute()
+    ->rowCount();
+
   $meeting_option = array();
   $element = array();
   $element['#type'] = 'select';
@@ -285,10 +291,10 @@ function _webform_select_event_html($uc_ci_id,
       $meeting_option[''] = '- ' . $event_label . ' -';
     }
     $element['#default_value'] = '';
-    $element['#attributes'] = array(
-      'class' => array('select-event', 'select-empty'),
-      'disabled' => array(),
-    );
+    $element['#attributes']['class'] = array('select-event', 'select-empty');
+        if ($count_uc > 1) {
+          $element['#attributes']['disabled'] = array();
+        }
   } else {
 
     if (!$result->rowCount()) { //Pas d'Event
diff --git a/studialis_webform/components/com_textarea.inc b/studialis_webform/components/com_textarea.inc
index 5d34bc5..600a50c 100644
--- a/studialis_webform/components/com_textarea.inc
+++ b/studialis_webform/components/com_textarea.inc
@@ -120,11 +120,19 @@ function _webform_render_com_textarea($component, $value = NULL, $filter = TRUE)
         drupal_get_path('module', 'studialis_webform') . '/javascripts/studialis_webform_select_commercial_item.js'
     );
 
+    $count_uc = db_select('commercial_item', 'ci')
+      ->fields('ci', array())
+      ->condition('type', 'commercial_unit', '=')
+      ->execute()
+      ->rowCount();
+
+
     drupal_add_js(
         array(
             'studialis_webform' => array(
                 //'apikeyComList' => $getComList,//Transmets le tableau au JS
                 'apikeyComList' => $aDataToJs,//Transmets le tableau au JS
+                'count_uc' => $count_uc,
             )
         ),
         'setting'
diff --git a/studialis_webform/javascripts/studialis_webform_select_commercial_item.js b/studialis_webform/javascripts/studialis_webform_select_commercial_item.js
index 30ce1f3..448b21a 100644
--- a/studialis_webform/javascripts/studialis_webform_select_commercial_item.js
+++ b/studialis_webform/javascripts/studialis_webform_select_commercial_item.js
@@ -38,8 +38,12 @@ var stud_selects = new Array();
         //Lorsque la valeur du Catalogue varie
         ///////////////////////////////////////////////////////////////////////
         $j('#dropdown-second-replace .form-type-select.form-type-select').addClass("webform-component");
+      var count_uc = Drupal.settings.studialis_webform.count_uc;
         $j('.stud_select_1').change(function () {
-            reloadEventComponent(this)
+            if(count_uc > 1) {
+                reloadEventComponent(this)
+            }
+
         }).each(function () {
         });
     });