diff --git a/src/chat_control.py b/src/chat_control.py
index 7b62ec6cd..7d80a410e 100644
--- a/src/chat_control.py
+++ b/src/chat_control.py
@@ -577,7 +577,7 @@ class ChatControlBase(MessageControl):
 				type_ = 'printed_' + self.type_id
 				event = 'message_received'
 				show_in_roster = notify.get_show_in_roster(event,
-					self.account, self.contact)
+					self.account, self.contact, self.session)
 				show_in_systray = notify.get_show_in_systray(event,
 					self.account, self.contact)
 				if gc_message:
@@ -606,7 +606,7 @@ class ChatControlBase(MessageControl):
 		not self.parent_win.is_active() or not end) and \
 		kind in ('incoming', 'incoming_queue'):
 			self.parent_win.redraw_tab(self)
-			ctrl = gajim.interface.msg_win_mgr.get_control(full_jid, self.account)
+			ctrl = gajim.interface.msg_win_mgr.get_control(full_jid, self.account, self.session.thread_id)
 			if not self.parent_win.is_active():
 				self.parent_win.show_title(True, ctrl) # Enabled Urgent hint
 			else:
@@ -905,10 +905,10 @@ class ChatControl(ChatControlBase):
 	old_msg_kind = None # last kind of the printed message
 	CHAT_CMDS = ['clear', 'compact', 'help', 'ping']
 	
-	def __init__(self, parent_win, contact, acct, resource = None):
+	def __init__(self, parent_win, contact, acct, session, resource = None):
 		ChatControlBase.__init__(self, self.TYPE_ID, parent_win,
 			'chat_child_vbox', contact, acct, resource)
-			
+
 		# for muc use:
 		# widget = self.xml.get_widget('muc_window_actions_button')
 		widget = self.xml.get_widget('message_window_actions_button')
@@ -935,7 +935,7 @@ class ChatControl(ChatControlBase):
 		# it is on enter-notify and leave-notify so no need to be per jid
 		self.show_bigger_avatar_timeout_id = None
 		self.bigger_avatar_window = None
-		self.show_avatar(self.contact.resource)			
+		self.show_avatar(self.contact.resource)	
 
 		# chatstate timers and state
 		self.reset_kbd_mouse_timeout_vars()
@@ -949,7 +949,7 @@ class ChatControl(ChatControlBase):
 		id = message_tv_buffer.connect('changed',
 			self._on_message_tv_buffer_changed)
 		self.handlers[id] = message_tv_buffer
-		
+
 		widget = self.xml.get_widget('avatar_eventbox')
 		id = widget.connect('enter-notify-event',
 			self.on_avatar_eventbox_enter_notify_event)
@@ -969,7 +969,9 @@ class ChatControl(ChatControlBase):
 
 		if self.contact.jid in gajim.encrypted_chats[self.account]:
 			self.xml.get_widget('gpg_togglebutton').set_active(True)
-		
+
+		self.session = session
+
 		self.status_tooltip = gtk.Tooltips()
 		self.update_ui()
 		# restore previous conversation
@@ -1797,7 +1799,7 @@ class ChatControl(ChatControlBase):
 		# Is it a pm ?
 		is_pm = False
 		room_jid, nick = gajim.get_room_and_nick_from_fjid(jid)
-		control = gajim.interface.msg_win_mgr.get_control(room_jid, self.account)
+		control = gajim.interface.msg_win_mgr.get_control(room_jid, self.account, self.session.thread_id)
 		if control and control.type_id == message_control.TYPE_GC:
 			is_pm = True
 		# list of message ids which should be marked as read
@@ -1815,9 +1817,6 @@ class ChatControl(ChatControlBase):
 				encrypted = data[4], subject = data[1], xhtml = data[7])
 			if len(data) > 6 and isinstance(data[6], int):
 				message_ids.append(data[6])
-
-			if len(data) > 8:
-				self.set_thread_id(data[8])
 		if message_ids:
 			gajim.logger.set_read_messages(message_ids)
 		gajim.events.remove_events(self.account, jid_with_resource,
diff --git a/src/common/connection.py b/src/common/connection.py
index a8460ba27..6deee84a6 100644
--- a/src/common/connection.py
+++ b/src/common/connection.py
@@ -48,6 +48,8 @@ log = logging.getLogger('gajim.c.connection')
 
 import gtkgui_helpers
 
+import time
+
 class Connection(ConnectionHandlers):
 	'''Connection class'''
 	def __init__(self, name):
@@ -839,7 +841,7 @@ class Connection(ConnectionHandlers):
 
 	def send_message(self, jid, msg, keyID, type = 'chat', subject='',
 	chatstate = None, msg_id = None, composing_jep = None, resource = None,
-	user_nick = None, xhtml = None, thread = None):
+	user_nick = None, xhtml = None, session = None):
 		if not self.connection:
 			return 1
 		if msg and not xhtml and gajim.config.get('rst_formatting_outgoing_messages'):
@@ -884,8 +886,10 @@ class Connection(ConnectionHandlers):
 			msg_iq.setTag(common.xmpp.NS_ENCRYPTED + ' x').setData(msgenc)
 
 		# XEP-0201
-		if thread:
-			msg_iq.setTag("thread").setData(thread)
+		if session:
+			session.last_send = time.time()
+			if session.thread_id:
+				msg_iq.setThread(session.thread_id)
 
 		# JEP-0172: user_nickname
 		if user_nick:
diff --git a/src/common/connection_handlers.py b/src/common/connection_handlers.py
index fa392b71b..346497f5c 100644
--- a/src/common/connection_handlers.py
+++ b/src/common/connection_handlers.py
@@ -37,6 +37,8 @@ from common import atom
 from common.commands import ConnectionCommands
 from common.pubsub import ConnectionPubSub
 
+from common.stanza_session import StanzaSession
+
 STATUS_LIST = ['offline', 'connecting', 'online', 'chat', 'away', 'xa', 'dnd',
 	'invisible', 'error']
 # kind of events we can wait for an answer
@@ -1171,6 +1173,10 @@ class ConnectionHandlers(ConnectionVcard, ConnectionBytestream, ConnectionDisco,
 		# keep the latest subscribed event for each jid to prevent loop when we 
 		# acknoledge presences
 		self.subscribed_events = {}
+
+		# keep track of sessions this connection has with other JIDs
+		self.sessions = {}
+
 		try:
 			idle.init()
 		except:
@@ -1197,13 +1203,13 @@ class ConnectionHandlers(ConnectionVcard, ConnectionBytestream, ConnectionDisco,
 			self.dispatch('HTTP_AUTH', (method, url, id, iq_obj, msg));
 		raise common.xmpp.NodeProcessed
 
-	def _FeatureNegCB(self, con, stanza):
+	def _FeatureNegCB(self, con, stanza, session):
 		gajim.log.debug('FeatureNegCB')
 		feature = stanza.getTag('feature')
 		form = common.xmpp.DataForm(node=feature.getTag('x'))
 
 		if form['FORM_TYPE'] == 'urn:xmpp:ssn':
-			self.dispatch('SESSION_NEG', (stanza.getFrom(), stanza.getThread(), form))
+			self.dispatch('SESSION_NEG', (stanza.getFrom(), session, form))
 		else:
 			reply = stanza.buildReply()
 			reply.setType('error')
@@ -1410,6 +1416,17 @@ class ConnectionHandlers(ConnectionVcard, ConnectionBytestream, ConnectionDisco,
 
 	def _messageCB(self, con, msg):
 		'''Called when we receive a message'''
+		frm = helpers.get_full_jid_from_iq(msg)
+		mtype = msg.getType()
+		thread_id = msg.getThread()
+		if not mtype:
+			mtype = 'normal'
+
+		session = self.get_session(frm, thread_id, mtype)
+
+		if thread_id and not session.received_thread_id:
+			session.received_thread_id = True
+
 		# check if the message is pubsub#event
 		if msg.getTag('event') is not None:
 			self._pubsubEventCB(con, msg)
@@ -1421,18 +1438,15 @@ class ConnectionHandlers(ConnectionVcard, ConnectionBytestream, ConnectionDisco,
 			return
 		if msg.getTag('feature') and msg.getTag('feature').namespace == \
 		common.xmpp.NS_FEATURE:
-			self._FeatureNegCB(con, msg)
+			self._FeatureNegCB(con, msg, session)
 			return
 
 		msgtxt = msg.getBody()
 		msghtml = msg.getXHTML()
-		mtype = msg.getType()
 		subject = msg.getSubject() # if not there, it's None
-		thread = msg.getThread()
 		tim = msg.getTimestamp()
 		tim = time.strptime(tim, '%Y%m%dT%H:%M:%S')
 		tim = time.localtime(timegm(tim))
-		frm = helpers.get_full_jid_from_iq(msg)
 		jid = helpers.get_jid_from_iq(msg)
 		no_log_for = gajim.config.get_per('accounts', self.name,
 			'no_log_for')
@@ -1541,13 +1555,42 @@ class ConnectionHandlers(ConnectionVcard, ConnectionBytestream, ConnectionDisco,
 				gajim.logger.write('single_msg_recv', frm, msgtxt, tim = tim,
 					subject = subject)
 			mtype = 'normal'
+
 		treat_as = gajim.config.get('treat_incoming_messages')
 		if treat_as:
 			mtype = treat_as
 		self.dispatch('MSG', (frm, msgtxt, tim, encrypted, mtype,
-			subject, chatstate, msg_id, composing_jep, user_nick, msghtml, thread))
+			subject, chatstate, msg_id, composing_jep, user_nick, msghtml, session))
 	# END messageCB
 
+	def get_session(self, jid, thread_id, type):
+		'''returns an existing session between this connection and 'jid' or starts a new one.'''
+		try:
+			if type == 'chat' and not thread_id:
+				return self.find_null_session(jid)
+			else:
+				return self.sessions[jid][thread_id]
+		except KeyError:
+			return self.make_new_session(jid, thread_id, type)
+
+	def find_null_session(self, jid):
+		'''returns the session between this connecting and 'jid' that we last sent a message in.'''
+		all = self.sessions[jid].values()
+		null_sessions = filter(lambda s: not s.received_thread_id, all)
+		null_sessions.sort(key=lambda s: s.last_send)
+
+		return null_sessions[-1]
+
+	def make_new_session(self, jid, thread_id = None, type = 'chat'):
+		sess = StanzaSession(self, jid, thread_id, type)
+
+		if not jid in self.sessions:
+			self.sessions[jid] = {}
+
+		self.sessions[jid][sess.thread_id] = sess
+
+		return sess
+
 	def _pubsubEventCB(self, con, msg):
 		''' Called when we receive <message/> with pubsub event. '''
 		# TODO: Logging? (actually services where logging would be useful, should
diff --git a/src/common/contacts.py b/src/common/contacts.py
index d6352cea6..68db5b766 100644
--- a/src/common/contacts.py
+++ b/src/common/contacts.py
@@ -16,7 +16,7 @@
 
 import common.gajim
 
-import random, string
+#import random, string
 
 class Contact:
 	'''Information concerning each contact'''
@@ -53,18 +53,18 @@ class Contact:
 		self.last_status_time = last_status_time
 
 		# XEP-0201
-		self.sessions = {}
+#		self.sessions = {}
 
-	def new_session(self):
-		thread_id = "".join([random.choice(string.letters) for x in xrange(0,32)])
-		self.sessions[self.get_full_jid()] = thread_id
-		return thread_id
+#	def new_session(self):
+#		thread_id = "".join([random.choice(string.letters) for x in xrange(0,32)])
+#		self.sessions[self.get_full_jid()] = thread_id
+#		return thread_id
 
-	def get_session(self):
-		try:
-			return self.sessions[self.get_full_jid()]
-		except KeyError:
-			return None
+#	def get_session(self):
+#		try:
+#			return self.sessions[self.get_full_jid()]
+#		except KeyError:
+#			return None
 
 	def get_full_jid(self):
 		if self.resource:
@@ -169,7 +169,7 @@ class Contacts:
 		return Contact(jid, name, groups, show, status, sub, ask, resource,
 			priority, keyID, our_chatstate, chatstate, last_status_time,
 			composing_jep)
-	
+
 	def copy_contact(self, contact):
 		return self.create_contact(jid = contact.jid, name = contact.name,
 			groups = contact.groups, show = contact.show, status = contact.status,
diff --git a/src/common/helpers.py b/src/common/helpers.py
index 12388bf81..60252e6bf 100644
--- a/src/common/helpers.py
+++ b/src/common/helpers.py
@@ -820,7 +820,7 @@ def allow_sound_notification(sound_event, advanced_notif_num = None):
 		return True
 	return False
 
-def get_chat_control(account, contact):
+def get_chat_control(account, contact, session):
 	full_jid_with_resource = contact.jid
 	if contact.resource:
 		full_jid_with_resource += '/' + contact.resource
@@ -829,16 +829,16 @@ def get_chat_control(account, contact):
 	# Look for a chat control that has the given resource, or default to
 	# one without resource
 	ctrl = gajim.interface.msg_win_mgr.get_control(full_jid_with_resource,
-		account)
+		account, session.thread_id)
 	if ctrl:
 		return ctrl
 	elif not highest_contact or not highest_contact.resource:
 		# unknow contact or offline message
-		return gajim.interface.msg_win_mgr.get_control(contact.jid, account)
+		return gajim.interface.msg_win_mgr.get_control(contact.jid, account, session.thread_id)
 	elif highest_contact and contact.resource != \
 	highest_contact.resource:
 		return None
-	return gajim.interface.msg_win_mgr.get_control(contact.jid, account)
+	return gajim.interface.msg_win_mgr.get_control(contact.jid, account, session.thread_id)
 
 def reduce_chars_newlines(text, max_chars = 0, max_lines = 0):
 	'''Cut the chars after 'max_chars' on each line
diff --git a/src/common/stanza_session.py b/src/common/stanza_session.py
new file mode 100644
index 000000000..0e3c3b7ec
--- /dev/null
+++ b/src/common/stanza_session.py
@@ -0,0 +1,51 @@
+import gajim
+
+from common import xmpp
+from common import helpers
+
+import random
+import string
+
+class StanzaSession:
+	def __init__(self, conn, jid, thread_id, type):
+		self.conn = conn
+
+		if isinstance(jid, str) or isinstance(jid, unicode):
+			self.jid = xmpp.JID(jid)
+		else:
+			self.jid = jid
+
+		self.type = type
+
+		if thread_id:
+			self.received_thread_id = True
+			self.thread_id = thread_id
+		else:
+			self.received_thread_id = False
+			if type == 'normal':
+				self.thread_id = None
+			else:
+				self.thread_id = self.generate_thread_id()
+
+		self.last_send = 0
+
+	def generate_thread_id(self):
+		return "".join([random.choice(string.letters) for x in xrange(0,32)])
+
+	def get_control(self, advanced_notif_num = None):
+		account = self.conn.name
+		highest_contact = gajim.contacts.get_contact_with_highest_priority(account, str(self.jid))
+		contact = gajim.contacts.get_contact(account, self.jid.getStripped(), self.jid.getResource())
+		if isinstance(contact, list):
+			# there was no resource (maybe we're reading unread messages after shutdown). just take the first one for now :/
+			contact = contact[0]
+
+		ctrl = gajim.interface.msg_win_mgr.get_control(str(self.jid), account, self.thread_id)
+#		if not ctrl:
+#			if highest_contact and contact.resource == highest_contact.resource and not str(self.jid) == gajim.get_jid_from_account(account):
+#				ctrl = gajim.interface.msg_win_mgr.get_control(self.jid.getStripped(), account, self.thread_id)
+
+		if not ctrl and helpers.allow_popup_window(account, advanced_notif_num):
+			gajim.new_chat(contact, account, resource = resource_for_chat, session = self)
+
+		return ctrl
diff --git a/src/dialogs.py b/src/dialogs.py
index 2d0409676..526e6b95b 100644
--- a/src/dialogs.py
+++ b/src/dialogs.py
@@ -1404,7 +1404,7 @@ class SynchroniseSelectAccountDialog:
 		if not iter:
 			return
 		remote_account = model.get_value(iter, 0).decode('utf-8')
-		
+
 		if gajim.connections[remote_account].connected < 2:
 			ErrorDialog(_('This account is not connected to the server'),
 				_('You cannot synchronize with an account unless it is connected.'))
@@ -1686,7 +1686,7 @@ class SingleMessageWindow:
 	or 'receive'.
 	'''
 	def __init__(self, account, to = '', action = '', from_whom = '',
-	subject = '', message = '', resource = '', thread = None):
+	subject = '', message = '', resource = '', session = None):
 		self.account = account
 		self.action = action
 
@@ -1695,7 +1695,7 @@ class SingleMessageWindow:
 		self.to = to
 		self.from_whom = from_whom
 		self.resource = resource
-		self.thread = thread
+		self.session = session
 
 		self.xml = gtkgui_helpers.get_glade('single_message_window.glade')
 		self.window = self.xml.get_widget('single_message_window')
@@ -1897,7 +1897,7 @@ class SingleMessageWindow:
 
 			# FIXME: allow GPG message some day
 			gajim.connections[self.account].send_message(to_whom_jid, message,
-				keyID = None, type = 'normal', subject=subject, thread = self.thread)
+				keyID = None, type = 'normal', subject=subject, session = self.session)
 
 		self.subject_entry.set_text('') # we sent ok, clear the subject
 		self.message_tv_buffer.set_text('') # we sent ok, clear the textview
@@ -1914,7 +1914,7 @@ class SingleMessageWindow:
 		self.window.destroy()
 		SingleMessageWindow(self.account, to = self.from_whom,
 			action = 'send',	from_whom = self.from_whom, subject = self.subject,
-			message = self.message, thread = self.thread)
+			message = self.message, session = self.session)
 
 	def on_send_and_close_button_clicked(self, widget):
 		self.send_single_message()
@@ -2099,7 +2099,7 @@ class PrivacyListWindow:
 		jid_entry_completion.set_text_column(0)
 		jid_entry_completion.set_model(jids_list_store)
 		jid_entry_completion.set_popup_completion(True)
-  		self.edit_type_jabberid_entry.set_completion(jid_entry_completion)			
+		self.edit_type_jabberid_entry.set_completion(jid_entry_completion)
 
 		if action == 'EDIT':
 			self.refresh_rules()
diff --git a/src/gajim.py b/src/gajim.py
index 53ab20863..5c13131e1 100755
--- a/src/gajim.py
+++ b/src/gajim.py
@@ -443,9 +443,9 @@ class Interface:
 					(jid_from, file_props))
 				conn.disconnect_transfer(file_props)
 				return
-		ctrl = self.msg_win_mgr.get_control(jid_from, account)
-		if ctrl and ctrl.type_id == message_control.TYPE_GC:
-			ctrl.print_conversation('Error %s: %s' % (array[2], array[1]))
+		for ctrl in self.msg_win_mgr.get_controls(jid=jid_from, acct=account):
+			if ctrl and ctrl.type_id == message_control.TYPE_GC:
+				ctrl.print_conversation('Error %s: %s' % (array[2], array[1]))
 
 	def handle_event_con_type(self, account, con_type):
 		# ('CON_TYPE', account, con_type) which can be 'ssl', 'tls', 'tcp'
@@ -667,7 +667,7 @@ class Interface:
 
 	def handle_event_msg(self, account, array):
 		# 'MSG' (account, (jid, msg, time, encrypted, msg_type, subject,
-		# chatstate, msg_id, composing_jep, user_nick, xhtml, thread))
+		# chatstate, msg_id, composing_jep, user_nick, xhtml, session))
 		# user_nick is JEP-0172
 
 		full_jid_with_resource = array[0]
@@ -682,13 +682,13 @@ class Interface:
 		msg_id = array[7]
 		composing_jep = array[8]
 		xhtml = array[10]
-		thread = array[11]
+		session = array[11]
 		if gajim.config.get('ignore_incoming_xhtml'):
 			xhtml = None
 		if gajim.jid_is_transport(jid):
 			jid = jid.replace('@', '')
 
-		groupchat_control = self.msg_win_mgr.get_control(jid, account)
+		groupchat_control = self.msg_win_mgr.get_control(jid, account, session.thread_id)
 		if not groupchat_control and \
 		gajim.interface.minimized_controls.has_key(account) and \
 		jid in gajim.interface.minimized_controls[account]:
@@ -700,28 +700,29 @@ class Interface:
 			pm = True
 			msg_type = 'pm'
 
-		chat_control = None
-		jid_of_control = full_jid_with_resource
+#		chat_control = None
+#		jid_of_control = full_jid_with_resource
 		highest_contact = gajim.contacts.get_contact_with_highest_priority(
 			account, jid)
 		# Look for a chat control that has the given resource, or default to one
 		# without resource
-		ctrl = self.msg_win_mgr.get_control(full_jid_with_resource, account)
-		if ctrl:
-			chat_control = ctrl
-		elif not pm and (not highest_contact or not highest_contact.resource):
+		chat_control = session.get_control()
+#		ctrl = self.msg_win_mgr.get_control(full_jid_with_resource, account, session.thread_id)
+#		if ctrl:
+#			chat_control = ctrl
+#		elif not pm and (not highest_contact or not highest_contact.resource):
 			# unknow contact or offline message
-			jid_of_control = jid
-			chat_control = self.msg_win_mgr.get_control(jid, account)
-		elif highest_contact and resource != highest_contact.resource and \
-		highest_contact.show != 'offline':
-			jid_of_control = full_jid_with_resource
-			chat_control = None
-		elif not pm:
-			jid_of_control = jid
-			chat_control = self.msg_win_mgr.get_control(jid, account)
+#			jid_of_control = jid
+#			chat_control = self.msg_win_mgr.get_control(jid, account, session.thread_id)
+#		elif highest_contact and resource != highest_contact.resource and \
+#		highest_contact.show != 'offline':
+#			jid_of_control = full_jid_with_resource
+#			chat_control = None
+#		elif not pm:
+#			jid_of_control = jid
+#			chat_control = self.msg_win_mgr.get_control(jid, account, session.thread_id)
 
-		# Handle chat states  
+		# Handle chat states
 		contact = gajim.contacts.get_contact(account, jid, resource)
 		if contact and isinstance(contact, list):
 			contact = contact[0]
@@ -739,7 +740,7 @@ class Interface:
 					# got no valid jep85 answer, peer does not support it
 					contact.chatstate = False
 			elif chatstate == 'active':
-				# Brand new message, incoming.  
+				# Brand new message, incoming.
 				contact.our_chatstate = chatstate
 				contact.chatstate = chatstate
 				if msg_id: # Do not overwrite an existing msg_id with None
@@ -753,10 +754,12 @@ class Interface:
 		if gajim.config.get('ignore_unknown_contacts') and \
 			not gajim.contacts.get_contact(account, jid) and not pm:
 			return
+
 		if not contact:
 			# contact is not in the roster, create a fake one to display
 			# notification
-			contact = common.contacts.Contact(jid = jid, resource = resource) 
+			contact = common.contacts.Contact(jid = jid, resource = resource)
+
 		advanced_notif_num = notify.get_advanced_notification('message_received',
 			account, contact)
 
@@ -765,8 +768,8 @@ class Interface:
 		if msg_type == 'normal':
 			if not gajim.events.get_events(account, jid, ['normal']):
 				first = True
-		elif not chat_control and not gajim.events.get_events(account, 
-		jid_of_control, [msg_type]): # msg_type can be chat or pm
+		elif not chat_control and not gajim.events.get_events(account,
+		full_jid_with_resource, [msg_type]): # msg_type can be chat or pm
 			first = True
 
 		if pm:
@@ -778,18 +781,19 @@ class Interface:
 			if encrypted:
 				self.roster.on_message(jid, message, array[2], account, array[3],
 					msg_type, subject, resource, msg_id, array[9],
-					advanced_notif_num, thread = thread)
+					advanced_notif_num, session = session)
 			else:
 				# xhtml in last element
 				self.roster.on_message(jid, message, array[2], account, array[3],
 					msg_type, subject, resource, msg_id, array[9],
-					advanced_notif_num, xhtml = xhtml, thread = thread)
+					advanced_notif_num, xhtml = xhtml, session = session)
 			nickname = gajim.get_name_from_jid(account, jid)
-		# Check and do wanted notifications	
+
+		# Check and do wanted notifications
 		msg = message
 		if subject:
 			msg = _('Subject: %s') % subject + '\n' + msg
-		notify.notify('new_message', jid_of_control, account, [msg_type,
+		notify.notify('new_message', full_jid_with_resource, account, [msg_type,
 			first, nickname, msg], advanced_notif_num)
 
 		if self.remote_ctrl:
@@ -986,7 +990,7 @@ class Interface:
 		resource = ''
 		if vcard.has_key('resource'):
 			resource = vcard['resource']
-		
+
 		# vcard window
 		win = None
 		if self.instances[account]['infos'].has_key(jid):
@@ -1008,11 +1012,14 @@ class Interface:
 		elif self.msg_win_mgr.has_window(jid, account):
 			win = self.msg_win_mgr.get_window(jid, account)
 			ctrl = win.get_control(jid, account)
-		if win and ctrl.type_id != message_control.TYPE_GC:
-			ctrl.show_avatar()
+
+		for ctrl in self.msg_win_mgr.get_controls(jid=jid, acct=account):
+			if ctrl.type_id != message_control.TYPE_GC:
+				ctrl.show_avatar()
 
 		# Show avatar in roster or gc_roster
 		gc_ctrl = self.msg_win_mgr.get_control(jid, account)
+		# XXX get_gc_control?
 		if gc_ctrl and gc_ctrl.type_id == message_control.TYPE_GC:
 			gc_ctrl.draw_avatar(resource)
 		else:
@@ -1656,25 +1663,24 @@ class Interface:
 		AtomWindow.newAtomEntry(atom_entry)
 
 	def handle_session_negotiation(self, account, data):
-		jid, thread_id, form = data
+		jid, session, form = data
 		# XXX check negotiation state, etc.
 		# XXX check if we can autoaccept
 
 		if form.getType() == 'form':
-			ctrl = gajim.interface.msg_win_mgr.get_control(str(jid), account)
-			if not ctrl:
-				resource = jid.getResource()
-				contact = gajim.contacts.get_contact(account, str(jid), resource)
-				if not contact:
-					connection = gajim.connections[account]
-					contact = gajim.contacts.create_contact(jid = jid.getStripped(), resource = resource, show = connection.get_status())
-				self.roster.new_chat(contact, account, resource = resource)
+			ctrl = session.get_control()
+#			ctrl = gajim.interface.msg_win_mgr.get_control(str(jid), account)
+#			if not ctrl:
+#				resource = jid.getResource()
+#				contact = gajim.contacts.get_contact(account, str(jid), resource)
+#				if not contact:
+#					connection = gajim.connections[account]
+#					contact = gajim.contacts.create_contact(jid = jid.getStripped(), resource = resource, show = connection.get_status())
+#				self.roster.new_chat(contact, account, resource = resource)
 
-				ctrl = gajim.interface.msg_win_mgr.get_control(str(jid), account)
+#				ctrl = gajim.interface.msg_win_mgr.get_control(str(jid), account)
 
-			ctrl.set_thread_id(thread_id)
-
-			negotiation.FeatureNegotiationWindow(account, jid, thread_id, form)
+			negotiation.FeatureNegotiationWindow(account, jid, session, form)
 
 	def handle_event_privacy_lists_received(self, account, data):
 		# ('PRIVACY_LISTS_RECEIVED', account, list)
diff --git a/src/message_control.py b/src/message_control.py
index 11b3b6996..c0b409b11 100644
--- a/src/message_control.py
+++ b/src/message_control.py
@@ -37,8 +37,6 @@ class MessageControl:
 		self.hide_chat_buttons_current = False
 		self.resource = resource
 
-		self.thread_id = self.contact.get_session()
-
 		gajim.last_message_time[self.account][self.get_full_jid()] = 0
 
 		self.xml = gtkgui_helpers.get_glade('message_window.glade', widget_name)
@@ -112,14 +110,6 @@ class MessageControl:
 	def get_specific_unread(self):
 		return len(gajim.events.get_events(self.account, self.contact.jid))
 
-	def set_thread_id(self, thread_id):
-		if thread_id == self.thread_id:
-			return
-		if self.thread_id:
-			print "starting a new session, forgetting about the old one!"
-		self.thread_id = thread_id
-		self.contact.sessions[self.contact.get_full_jid()] = thread_id
-
 	def send_message(self, message, keyID = '', type = 'chat',
 	chatstate = None, msg_id = None, composing_jep = None, resource = None,
 	user_nick = None):
@@ -127,11 +117,8 @@ class MessageControl:
 		'''
 		jid = self.contact.jid
 
-		if not self.thread_id:
-			self.thread_id = self.contact.new_session()
-
 		# Send and update history
 		return gajim.connections[self.account].send_message(jid, message, keyID,
 			type = type, chatstate = chatstate, msg_id = msg_id,
 			composing_jep = composing_jep, resource = self.resource,
-			user_nick = user_nick, thread = self.thread_id)
+			user_nick = user_nick, session = self.session)
diff --git a/src/message_window.py b/src/message_window.py
index 6445495be..87e9a204f 100644
--- a/src/message_window.py
+++ b/src/message_window.py
@@ -123,8 +123,9 @@ class MessageWindow:
 
 	def get_num_controls(self):
 		n = 0
-		for dict in self._controls.values():
-			n += len(dict)
+		for sess_dict in self._controls.values():
+			for dict in sess_dict.values():
+				n += len(dict)
 		return n
 
 	def _on_window_focus(self, widget, event):
@@ -165,7 +166,9 @@ class MessageWindow:
 		if not self._controls.has_key(control.account):
 			self._controls[control.account] = {}
 		fjid = control.get_full_jid()
-		self._controls[control.account][fjid] = control
+		if not self._controls.has_key(fjid):
+			self._controls[control.account][fjid] = {}
+		self._controls[control.account][fjid][control.session.thread_id] = control
 
 		if self.get_num_controls() == 2:
 			# is first conversation_textview scrolled down ?
@@ -292,11 +295,11 @@ class MessageWindow:
 		else:
 			gtkgui_helpers.set_unset_urgency_hint(self.window, False)
 
-	def set_active_tab(self, jid, acct):
-		ctrl = self._controls[acct][jid]
+	def set_active_tab(self, jid, acct, thread_id):
+		ctrl = self._controls[acct][jid][thread_id]
 		ctrl_page = self.notebook.page_num(ctrl.widget)
 		self.notebook.set_current_page(ctrl_page)
-	
+
 	def remove_tab(self, ctrl, method, reason = None, force = False):
 		'''reason is only for gc (offline status message)
 		if force is True, do not ask any confirmation'''
@@ -317,7 +320,9 @@ class MessageWindow:
 		self.notebook.remove_page(self.notebook.page_num(ctrl.widget))
 
 		fjid = ctrl.get_full_jid()
-		del self._controls[ctrl.account][fjid]
+		del self._controls[ctrl.account][fjid][ctrl.session.thread_id]
+		if len(self._controls[ctrl.account][fjid]) == 0:
+			del self._controls[ctrl.account][fjid]
 		if len(self._controls[ctrl.account]) == 0:
 			del self._controls[ctrl.account]
 
@@ -415,7 +420,19 @@ class MessageWindow:
 		for ctrl in self.controls():
 			ctrl.update_tags()
 
-	def get_control(self, key, acct):
+	def has_control(self, jid, acct, thread_id = None):
+		try:
+			if thread_id:
+				return (thread_id in self._controls[acct][jid])
+			else:
+				return (jid in self._controls[acct])
+		except KeyError:
+			return False
+
+	def get_controls(self, jid, acct):
+		return self._controls[acct][jid].values()
+
+	def get_control(self, key, acct, thread_id):
 		'''Return the MessageControl for jid or n, where n is a notebook page index.
 		When key is an int index acct may be None'''
 		if isinstance(key, str):
@@ -424,7 +441,7 @@ class MessageWindow:
 		if isinstance(key, unicode):
 			jid = key
 			try:
-				return self._controls[acct][jid]
+				return self._controls[acct][jid][thread_id]
 			except:
 				return None
 		else:
@@ -436,9 +453,10 @@ class MessageWindow:
 			return self._widget_to_control(nth_child)
 
 	def controls(self):
-		for ctrl_dict in self._controls.values():
-			for ctrl in ctrl_dict.values():
-				yield ctrl
+		for jid_dict in self._controls.values():
+			for sess_dict in jid_dict.values():
+				for ctrl in sess_dict.values():
+					yield ctrl
 
 	def move_to_next_unread_tab(self, forward):
 		ind = self.notebook.get_current_page()
@@ -495,7 +513,7 @@ class MessageWindow:
 		if old_no >= 0:
 			old_ctrl = self._widget_to_control(notebook.get_nth_page(old_no))
 			old_ctrl.set_control_active(False)
-		
+
 		new_ctrl = self._widget_to_control(notebook.get_nth_page(page_num))
 		new_ctrl.set_control_active(True)
 		self.show_title(control = new_ctrl)
@@ -569,11 +587,11 @@ class MessageWindow:
 		source_child = self.notebook.get_nth_page(source_page_num)
 		if dest_page_num != source_page_num:
 			self.notebook.reorder_child(source_child, dest_page_num)
-		
+
 	def get_tab_at_xy(self, x, y):
 		'''Thanks to Gaim
 		Return the tab under xy and
-		if its nearer from left or right side of the tab	
+		if its nearer from left or right side of the tab
 		'''
 		page_num = -1
 		to_right = False
@@ -594,7 +612,7 @@ class MessageWindow:
 				if (y >= tab_alloc.y) and \
 				(y <= (tab_alloc.y + tab_alloc.height)):
 					page_num = i
-				
+
 					if y > tab_alloc.y + (tab_alloc.height / 2.0):
 						to_right = True
 					break
@@ -659,14 +677,22 @@ class MessageWindowMgr:
 				return w
 		return None
 
-	def get_window(self, jid, acct):
+	def get_window(self, jid, acct, thread_id):
 		for win in self.windows():
-			if win.get_control(jid, acct):
+			if win.has_control(jid, acct, thread_id):
 				return win
 		return None
 
-	def has_window(self, jid, acct):
-		return self.get_window(jid, acct) != None
+	def get_windows(self, jid, acct):
+		for win in self.windows():
+			if win.has_control(jid, acct):
+				yield win
+
+	def has_window(self, jid, acct, thread_id = None):
+		for win in self.windows():
+			if win.has_control(jid, acct, thread_id):
+				return True
+		return False
 
 	def one_window_opened(self, contact, acct, type):
 		try:
@@ -678,7 +704,7 @@ class MessageWindowMgr:
 		'''Resizes window according to config settings'''
 		if not gajim.config.get('saveposition'):
 			return
-			
+
 		if self.mode == self.ONE_MSG_WINDOW_ALWAYS:
 			size = (gajim.config.get('msgwin-width'),
 				gajim.config.get('msgwin-height'))
@@ -695,7 +721,7 @@ class MessageWindowMgr:
 			return
 
 		gtkgui_helpers.resize_window(win.window, size[0], size[1])
-	
+
 	def _position_window(self, win, acct, type):
 		'''Moves window according to config settings'''
 		if not gajim.config.get('saveposition') or\
@@ -773,18 +799,20 @@ class MessageWindowMgr:
 				del self._windows[k]
 				return
 
-	def get_control(self, jid, acct):
+	def get_control(self, jid, acct, thread_id):
 		'''Amongst all windows, return the MessageControl for jid'''
-		win = self.get_window(jid, acct)
+		win = self.get_window(jid, acct, thread_id)
 		if win:
-			return win.get_control(jid, acct)
+			return win.get_control(jid, acct, thread_id)
 		return None
 
-	def get_controls(self, type = None, acct = None):
+	def get_controls(self, type = None, acct = None, jid = None):
 		ctrls = []
 		for c in self.controls():
 			if acct and c.account != acct:
 				continue
+			if jid and c.get_full_jid() != jid:
+				continue
 			if not type or c.type_id == type:
 				ctrls.append(c)
 		return ctrls
@@ -808,7 +836,7 @@ class MessageWindowMgr:
 	def save_state(self, msg_win):
 		if not gajim.config.get('saveposition'):
 			return
-		
+
 		# Save window size and position
 		pos_x_key = 'msgwin-x-position'
 		pos_y_key = 'msgwin-y-position'
@@ -843,11 +871,11 @@ class MessageWindowMgr:
 			if self.mode != self.ONE_MSG_WINDOW_NEVER:
 				gajim.config.set_per('accounts', acct, pos_x_key, x)
 				gajim.config.set_per('accounts', acct, pos_y_key, y)
-		
+
 		else:
 			gajim.config.set(size_width_key, width)
 			gajim.config.set(size_height_key, height)
-			
+
 			if self.mode != self.ONE_MSG_WINDOW_NEVER:
 				gajim.config.set(pos_x_key, x)
 				gajim.config.set(pos_y_key, y)
diff --git a/src/negotiation.py b/src/negotiation.py
index 32fbf0a3a..095fd5178 100644
--- a/src/negotiation.py
+++ b/src/negotiation.py
@@ -7,11 +7,11 @@ from common import xmpp
 
 class FeatureNegotiationWindow:
 	'''FeatureNegotiotionWindow class'''
-	def __init__(self, account, jid, thread_id, form):
+	def __init__(self, account, jid, session, form):
 		self.account = account
 		self.jid = jid
 		self.form = form
-		self.thread_id = thread_id
+		self.session = session
 
 		self.xml = gtkgui_helpers.get_glade('data_form_window.glade', 'data_form_window')
 		self.window = self.xml.get_widget('data_form_window')
@@ -27,7 +27,7 @@ class FeatureNegotiationWindow:
 
 	def on_ok_button_clicked(self, widget):
 		acceptance = xmpp.Message(self.jid)
-		acceptance.setThread(self.thread_id)
+		acceptance.setThread(self.session.thread_id)
 		feature = acceptance.NT.feature
 		feature.setNamespace(xmpp.NS_FEATURE)
 
@@ -44,7 +44,7 @@ class FeatureNegotiationWindow:
 		# XXX determine whether to reveal presence
 
 		rejection = xmpp.Message(self.jid)
-		rejection.setThread(self.thread_id)
+		rejection.setThread(self.session.thread_id)
 		feature = rejection.NT.feature
 		feature.setNamespace(xmpp.NS_FEATURE)
 
diff --git a/src/notify.py b/src/notify.py
index 66b130791..8dda70f69 100644
--- a/src/notify.py
+++ b/src/notify.py
@@ -40,7 +40,7 @@ try:
 except ImportError:
 	USER_HAS_PYNOTIFY = False
 
-def get_show_in_roster(event, account, contact):
+def get_show_in_roster(event, account, contact, session):
 	'''Return True if this event must be shown in roster, else False'''
 	if event == 'gc_message_received':
 		return True
@@ -51,7 +51,7 @@ def get_show_in_roster(event, account, contact):
 		if gajim.config.get_per('notifications', str(num), 'roster') == 'no':
 			return False
 	if event == 'message_received':
-		chat_control = helpers.get_chat_control(account, contact)
+		chat_control = helpers.get_chat_control(account, contact, session)
 		if chat_control:
 			return False
 	return True
diff --git a/src/roster_window.py b/src/roster_window.py
index 4f0019aa5..139facee8 100644
--- a/src/roster_window.py
+++ b/src/roster_window.py
@@ -1190,10 +1190,14 @@ class RosterWindow:
 		'''reads from db the unread messages, and fire them up'''
 		for jid in gajim.contacts.get_jid_list(account):
 			results = gajim.logger.get_unread_msgs_for_jid(jid)
+
+			# XXX results should contain sessions anyways
+			session = gajim.connections[account].make_new_session(jid)
+
 			for result in results:
 				tim = time.localtime(float(result[2]))
 				self.on_message(jid, result[1], tim, account, msg_type = 'chat',
-					msg_id = result[0])
+					msg_id = result[0], session = session)
 
 	def fill_contacts_and_groups_dicts(self, array, account):
 		'''fill gajim.contacts and gajim.groups'''
@@ -1255,8 +1259,8 @@ class RosterWindow:
 							gajim.transport_avatar[account][host].append(contact1.jid)
 			# If we already have a chat window opened, update it with new contact
 			# instance
-			chat_control = gajim.interface.msg_win_mgr.get_control(ji, account)
-			if chat_control:
+			chat_controls = gajim.interface.msg_win_mgr.get_controls(jid=ji, acct=account)
+			for chat_control in chat_controls:
 				chat_control.contact = contact1
 
 	def chg_contact_status(self, contact, show, status, account):
@@ -1283,14 +1287,14 @@ class RosterWindow:
 		jid_list = [contact.jid]
 		for jid in jid_list:
 			if gajim.interface.msg_win_mgr.has_window(jid, account):
-				win = gajim.interface.msg_win_mgr.get_window(jid, account)
-				ctrl = win.get_control(jid, account)
-				ctrl.contact = gajim.contacts.get_contact_with_highest_priority(
-					account, contact.jid)
-				ctrl.update_ui()
-				win.redraw_tab(ctrl)
+				for win in gajim.interface.msg_win_mgr.get_windows(jid, account):
+					for ctrl in win.get_controls(jid=jid, acct=account):
+						ctrl.contact = gajim.contacts.get_contact_with_highest_priority(
+							account, contact.jid)
+						ctrl.update_ui()
+					win.redraw_tab(ctrl)
 
-				name = contact.get_shown_name()
+					name = contact.get_shown_name()
 
 				# if multiple resources (or second one disconnecting)
 				if (len(contact_instances) > 1 or (len(contact_instances) == 1 and \
@@ -3477,18 +3481,22 @@ class RosterWindow:
 			# We call this here to avoid race conditions with widget validation
 			chat_control.read_queue()
 
-	def new_chat(self, contact, account, resource = None):
+	def new_chat(self, contact, account, resource = None, session = None):
 		# Get target window, create a control, and associate it with the window
 		type_ = message_control.TYPE_CHAT
 
 		fjid = contact.jid
 		if resource:
 			fjid += '/' + resource
-		mw = gajim.interface.msg_win_mgr.get_window(fjid, account)
+
+		if not session:
+			session = gajim.connections[account].make_new_session(fjid)
+
+		mw = gajim.interface.msg_win_mgr.get_window(fjid, account, session.thread_id)
 		if not mw:
 			mw = gajim.interface.msg_win_mgr.create_window(contact, account, type_)
 
-		chat_control = ChatControl(mw, contact, account, resource)
+		chat_control = ChatControl(mw, contact, account, session, resource)
 
 		mw.new_tab(chat_control)
 
@@ -3496,6 +3504,8 @@ class RosterWindow:
 			# We call this here to avoid race conditions with widget validation
 			chat_control.read_queue()
 
+		return session
+
 	def new_chat_from_jid(self, account, fjid):
 		jid, resource = gajim.get_room_and_nick_from_fjid(fjid)
 		if resource:
@@ -3531,7 +3541,7 @@ class RosterWindow:
 
 	def on_message(self, jid, msg, tim, account, encrypted = False,
 			msg_type = '', subject = None, resource = '', msg_id = None,
-			user_nick = '', advanced_notif_num = None, xhtml = None, thread = None):
+			user_nick = '', advanced_notif_num = None, xhtml = None, session = None):
 		'''when we receive a message'''
 		contact = None
 		# if chat window will be for specific resource
@@ -3569,16 +3579,18 @@ class RosterWindow:
 
 		path = self.get_path(jid, account) # Try to get line of contact in roster
 
+		ctrl = session.get_control(advanced_notif_num)
+
 		# Look for a chat control that has the given resource
-		ctrl = gajim.interface.msg_win_mgr.get_control(fjid, account)
-		if not ctrl:
+#		ctrl = gajim.interface.msg_win_mgr.get_control(fjid, account)
+#		if not ctrl:
 			# if not, if message comes from highest prio, get control or open one
 			# without resource
-			if highest_contact and contact.resource == highest_contact.resource \
-			and not jid == gajim.get_jid_from_account(account):
-				ctrl = gajim.interface.msg_win_mgr.get_control(jid, account)
-				fjid = jid
-				resource_for_chat = None
+#			if highest_contact and contact.resource == highest_contact.resource \
+#			and not jid == gajim.get_jid_from_account(account):
+#				ctrl = gajim.interface.msg_win_mgr.get_control(jid, account)
+#				fjid = jid
+#				resource_for_chat = None
 
 		# Do we have a queue?
 		no_queue = len(gajim.events.get_events(account, fjid)) == 0
@@ -3588,7 +3600,7 @@ class RosterWindow:
 		if msg_type == 'normal' and popup: # it's single message to be autopopuped
 			dialogs.SingleMessageWindow(account, contact.jid,
 				action = 'receive', from_whom = jid, subject = subject,
-				message = msg, resource = resource, thread = thread)
+				message = msg, resource = resource, session = session)
 			return
 
 		# We print if window is opened and it's not a single message
@@ -3596,8 +3608,6 @@ class RosterWindow:
 			typ = ''
 			if msg_type == 'error':
 				typ = 'status'
-			if thread:
-				ctrl.set_thread_id(thread)
 			ctrl.print_conversation(msg, typ, tim = tim, encrypted = encrypted,
 						subject = subject, xhtml = xhtml)
 			if msg_id:
@@ -3610,26 +3620,26 @@ class RosterWindow:
 		if msg_type == 'normal':
 			type_ = 'normal'
 			event_type = 'single_message_received'
-		show_in_roster = notify.get_show_in_roster(event_type, account, contact)
+		show_in_roster = notify.get_show_in_roster(event_type, account, contact, session)
 		show_in_systray = notify.get_show_in_systray(event_type, account, contact)
 		event = gajim.events.create_event(type_, (msg, subject, msg_type, tim,
-			encrypted, resource, msg_id, xhtml, thread), show_in_roster = show_in_roster,
+			encrypted, resource, msg_id, xhtml, session), show_in_roster = show_in_roster,
 			show_in_systray = show_in_systray)
 		gajim.events.add_event(account, fjid, event)
-		if popup:
-			if not ctrl:
-				self.new_chat(contact, account, resource = resource_for_chat)
-				if path and not self.dragging and gajim.config.get(
-				'scroll_roster_to_last_message'):
-					# we curently see contact in our roster OR he
-					# is not in the roster at all. 
+#		if popup:
+#			if not ctrl:
+#				self.new_chat(contact, account, resource = resource_for_chat)
+#				if path and not self.dragging and gajim.config.get(
+#				'scroll_roster_to_last_message'):
+#					# we curently see contact in our roster OR he
+#					# is not in the roster at all. 
 					# show and select his line in roster 
 					# do not change selection while DND'ing
-					self.tree.expand_row(path[0:1], False)
-					self.tree.expand_row(path[0:2], False)
-					self.tree.scroll_to_cell(path)
-					self.tree.set_cursor(path)
-		else:
+#					self.tree.expand_row(path[0:1], False)
+#					self.tree.expand_row(path[0:2], False)
+#					self.tree.scroll_to_cell(path)
+#					self.tree.set_cursor(path)
+		if not popup:
 			if no_queue: # We didn't have a queue: we change icons
 				self.draw_contact(jid, account)
 			self.show_title() # we show the * or [n]
@@ -3875,7 +3885,7 @@ class RosterWindow:
 		if event.type_ == 'normal':
 			dialogs.SingleMessageWindow(account, jid,
 				action = 'receive', from_whom = jid, subject = data[1],
-				message = data[0], resource = data[5], thread = data[8])
+				message = data[0], resource = data[5], session = data[8])
 			gajim.interface.remove_first_event(account, jid, event.type_)
 			return True
 		elif event.type_ == 'file-request':
@@ -3912,22 +3922,22 @@ class RosterWindow:
 			jid = jid + u'/' + resource
 		adhoc_commands.CommandWindow(account, jid)
 
-	def on_open_chat_window(self, widget, contact, account, resource = None):
+	def on_open_chat_window(self, widget, contact, account, resource = None, session = None):
 		# Get the window containing the chat
 		fjid = contact.jid
 		if resource:
 			fjid += '/' + resource
-		win = gajim.interface.msg_win_mgr.get_window(fjid, account)
-		if not win:
-			self.new_chat(contact, account, resource = resource)
-			win = gajim.interface.msg_win_mgr.get_window(fjid, account)
-			ctrl = win.get_control(fjid, account)
-			# last message is long time ago
-			gajim.last_message_time[account][ctrl.get_full_jid()] = 0
-		win.set_active_tab(fjid, account)
+
+		session = self.new_chat(contact, account, resource=resource, session=session)
+		win = gajim.interface.msg_win_mgr.get_window(fjid, account, session.thread_id)
+		ctrl = win.get_control(fjid, account, session.thread_id)
+		# last message is long time ago
+		gajim.last_message_time[account][ctrl.get_full_jid()] = 0
+
+		win.set_active_tab(fjid, account, session.thread_id)
 		if gajim.connections[account].is_zeroconf and \
 				gajim.connections[account].status in ('offline', 'invisible'):
-			win.get_control(fjid, account).got_disconnected()
+			win.get_control(fjid, account, session.thread_id).got_disconnected()
 
 		win.window.present()
 
@@ -3967,7 +3977,10 @@ class RosterWindow:
 						jid = child_jid
 					else:
 						child_iter = model.iter_next(child_iter)
+
+			session = None
 			if first_ev:
+				session = first_ev.parameters[8]
 				fjid = jid
 				if resource:
 					fjid += '/' + resource
@@ -3978,7 +3991,7 @@ class RosterWindow:
 				c = gajim.contacts.get_contact_with_highest_priority(account, jid)
 			if jid == gajim.get_jid_from_account(account):
 				resource = c.resource
-			self.on_open_chat_window(widget, c, account, resource = resource)
+			self.on_open_chat_window(widget, c, account, resource = resource, session=session)
 
 	def on_roster_treeview_row_activated(self, widget, path, col = 0):
 		'''When an iter is double clicked: open the first event window'''