diff --git a/inc/myco.js b/inc/myco.js
index 5526acb..8a438c6 100644
--- a/inc/myco.js
+++ b/inc/myco.js
@@ -532,6 +532,17 @@ on_click_logoff_btn=function() {
   logged_out_menu();
 }
 
+/*******************
+ * pleaseWaitDialog
+ *******************/
+
+pleaseWaitShow=function() {
+  $('#pleaseWaitDialog').modal('show');
+}
+
+pleaseWaitHide=function() {
+  $('#pleaseWaitDialog').modal('hide');
+}
 
 /*********************
  * Activate
diff --git a/index.html b/index.html
index d2aca08..d4441fd 100644
--- a/index.html
+++ b/index.html
@@ -399,6 +399,16 @@ body{
   </div><!-- /.modal-dialog -->
 </div>
 
+<div class="modal hide" id="pleaseWaitDialog" data-backdrop="static" data-keyboard="false">
+  <div class="modal-header">
+    <h1>Chargement...</h1>
+  </div>
+  <div class="modal-body">
+    <div class="progress progress-striped active">
+      <div class="bar" style="width: 100%;"></div>
+    </div>
+  </div>
+</div>
 
 </div>
   <!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->