diff --git a/UI/Scheduler/UIxAppointmentEditor.m b/UI/Scheduler/UIxAppointmentEditor.m
index c7614cc2d..c2149b41b 100644
--- a/UI/Scheduler/UIxAppointmentEditor.m
+++ b/UI/Scheduler/UIxAppointmentEditor.m
@@ -79,8 +79,9 @@
 
 /* transparency */
 
-- (NSString *)transparency {
-  return @"TRANSPARENT";
+- (NSString *) transparency
+{
+  return @"OPAQUE";
 }
 
 /* iCal */
@@ -89,7 +90,7 @@
   static NSString *iCalStringTemplate = \
     @"BEGIN:VCALENDAR\r\n"
     @"METHOD:REQUEST\r\n"
-    @"PRODID:OpenGroupware.org SOGo 0.9\r\n"
+    @"PRODID://Inverse groupe conseil/SOGo 0.9\r\n"
     @"VERSION:2.0\r\n"
     @"BEGIN:VEVENT\r\n"
     @"UID:%@\r\n"
@@ -230,7 +231,7 @@
   [_appointment setComment: [self comment]];
   [_appointment setPriority:[self priority]];
   [_appointment setCategories: [[self categories] componentsJoinedByString: @","]];
-  
+
   [_appointment setAccessClass: [self accessClass]];
   [_appointment setTransparency: [self transparency]];
 
diff --git a/UI/Templates/SchedulerUI/UIxAppointmentEditor.wox b/UI/Templates/SchedulerUI/UIxAppointmentEditor.wox
index 329b770ab..5f552827b 100644
--- a/UI/Templates/SchedulerUI/UIxAppointmentEditor.wox
+++ b/UI/Templates/SchedulerUI/UIxAppointmentEditor.wox
@@ -126,15 +126,15 @@
               ></label>
         </div>
 
-        <div id="attendeesView" class="tab">
-          <span class="checkBoxList" id="participantsCB"><var:string label:value="Attendees" />
-            <span class="content"><var:component className="UIxContactSelector"
-                const:selectorId="participants"
-                contacts="participants"
-                /></span></span>
-        </div>
+        <div id="attendeesView" class="tab"
+          ><var:component className="UIxFreeBusyUserSelector"
+            startDate="aptStartDate" endDate="aptEndDate" /></div>
       </div>
 
+      <script type="text/javascript">
+        initTimeWidgets();
+        redisplayFreeBusyZone();
+      </script>
       <!-- div id="buttons">
       <input
       type="submit"