--- a/src/browser/sat_browser/menu.py	Mon Feb 23 18:44:58 2015 +0100
+++ b/src/browser/sat_browser/menu.py	Mon Feb 23 18:47:27 2015 +0100
@@ -23,8 +23,6 @@
 
 from sat.core.i18n import _
 
-from sat_frontends.tools import jid
-
 from pyjamas.ui.SimplePanel import SimplePanel
 from pyjamas.ui.HTML import HTML
 from pyjamas.ui.Frame import Frame
@@ -41,6 +39,9 @@
 from base_menu import MenuCmd
 
 
+unicode = str  # FIXME: pyjamas workaround
+
+
 class MainMenuBar(base_menu.GenericMenuBar):
     """The main menu bar which is displayed on top of the document"""
 
@@ -149,28 +150,31 @@
 
         def invite(room_jid, contacts):
             for contact in contacts:
-                self.host.bridge.call('inviteMUC', None, contact, room_jid)
+                self.host.bridge.call('inviteMUC', None, unicode(contact), unicode(room_jid))
 
         def join(room_jid, contacts):
             if self.host.whoami:
                 nick = self.host.whoami.node
-                if room_jid not in [room.bare for room in self.host.room_list]:
-                    self.host.bridge.call('joinMUC', lambda room_jid: invite(room_jid, contacts), room_jid, nick)
+                contact_list = self.host.contact_list
+                if room_jid not in contact_list.getSpecials(C.CONTACT_SPECIAL_GROUP):
+                    self.host.bridge.call('joinMUC', lambda room_jid: invite(room_jid, contacts), unicode(room_jid), nick)
                 else:
-                    self.host.displayWidget(chat.Chat, room_jid, type_="group", new_tab=jid.JID(room_jid).bare)
+                    self.host.displayWidget(chat.Chat, room_jid, type_="group", new_tab=room_jid)
                     invite(room_jid, contacts)
 
         dialog.RoomAndContactsChooser(self.host, join, ok_button="Join", visible=(True, False))
 
     def onCollectiveRadio(self):
         def callback(room_jid, contacts):
-            self.host.bridge.call('launchRadioCollective', None, contacts, room_jid)
+            contacts = [unicode(contact) for contact in contacts]
+            self.host.bridge.call('launchRadioCollective', None, contacts, unicode(room_jid))
         dialog.RoomAndContactsChooser(self.host, callback, ok_button="Choose", title="Collective Radio", visible=(False, True))
 
     #Game menu
     def onTarotGame(self):
         def onPlayersSelected(room_jid, other_players):
-            self.host.bridge.call('launchTarotGame', None, other_players, room_jid)
+            other_players = [unicode(contact) for contact in other_players]
+            self.host.bridge.call('launchTarotGame', None, other_players, unicode(room_jid))
         dialog.RoomAndContactsChooser(self.host, onPlayersSelected, 3, title="Tarot", title_invite="Please select 3 other players", visible=(False, True))
 
     def onXiangqiGame(self):