diff --git a/extensions/webmail/imaputils.py b/extensions/webmail/imaputils.py
index 282e3c652..57bce66aa 100644
--- a/extensions/webmail/imaputils.py
+++ b/extensions/webmail/imaputils.py
@@ -230,7 +230,7 @@ class IMAPconnector(object):
 
     @capability('LIST-EXTENDED', '_listfolders_simple')
     def _listfolders(self, topmailbox='', md_mailboxes=[]):
-        pattern = ("%s.%%" % topmailbox) if len(topmailbox) else "%"
+        pattern = ("%s.%%" % topmailbox.encode("imap4-utf-7")) if len(topmailbox) else "%"
         resp = self._cmd("LSUB", "", pattern, "RETURN", "(CHILDREN)")
         result = []
         for mb in resp:
@@ -275,16 +275,32 @@ class IMAPconnector(object):
                 fd["unseen"] = count
         return md_mailboxes
 
-    def _add_flag(self, folder, mail_id, flag):
-        self.m.select(self._encodefolder(folder))
-        self.m.store(mail_id, "+FLAGS", flag)
+    def _add_flag(self, mbox, msgset, flag):
+        """Add flag(s) to a messages set
 
-    def msg_unread(self, folder, msgset):
-        self.m.select(self._encodefolder(folder))
-        self.m.store(msgset, "-FLAGS", r'(\Seen)')
+        :param mbox: the mailbox containing the messages
+        :param msgset: messages set (uid)
+        :param flag: the flag to add
+        """
+        self.select_mailbox(mbox, False)
+        self._cmd("STORE", msgset, "+FLAGS", flag)
 
-    def msg_read(self, folder, msgset):
-        self._add_flag(folder, msgset, r'(\Seen)')
+    def mark_messages_unread(self, mbox, msgset):
+        """Mark a set of messages as unread
+
+        :param mbox: the mailbox containing the messages
+        :param msgset: messages set (uid)
+        """
+        self.select_mailbox(mbox, False)
+        self._cmd("STORE", msgset, "-FLAGS", r'(\Seen)')
+
+    def mark_messages_read(self, mbox, msgset):
+        """Mark a set of messages as unread
+
+        :param mbox: the mailbox containing the messages
+        :param msgset: messages set (uid)
+        """
+        self._add_flag(mbox, msgset, r'(\Seen)')
 
     def msgforwarded(self, folder, imapid):
         self._add_flag(folder, imapid, '($Forwarded)')
@@ -304,16 +320,24 @@ class IMAPconnector(object):
         now = imaplib.Time2Internaldate(time.time())
         self.m.append(self._encodefolder(folder), r'(\Seen)', now, str(msg))
 
-    def empty(self, folder):
-        self.m.select(self._encodefolder(folder))
-        typ, data = self.m.search(None, 'ALL')
-        for num in data[0].split():
-            self.m.store(num, "+FLAGS", r'(\Deleted)')
-        self.m.expunge()
+    def empty(self, mbox):
+        self.select_mailbox(mbox, False)
+        resp = self._cmd("SEARCH", "ALL")
+        print resp
+        
+        # for num in data[0].split():
+        #     self.m.store(num, "+FLAGS", r'(\Deleted)')
+        # self.m.expunge()
 
-    def compact(self, folder):
-        self.m.select(self._encodefolder(folder))
-        self.m.expunge()
+    def compact(self, mbox):
+        """Compact a specific mailbox
+
+        Issue an EXPUNGE command for the specified mailbox.
+        
+        :param mbox: the mailbox's name
+        """
+        self.select_mailbox(mbox, False)
+        self._cmd("EXPUNGE")
 
     def create_folder(self, name, parent=None):
         if parent is not None:
diff --git a/extensions/webmail/lib.py b/extensions/webmail/lib.py
index 748850aa0..09317b315 100644
--- a/extensions/webmail/lib.py
+++ b/extensions/webmail/lib.py
@@ -110,8 +110,9 @@ class ImapListing(EmailListing):
         if kwargs.has_key("pattern"):
             self.parse_search_parameters(kwargs["criteria"],
                                          kwargs["pattern"])
-        if kwargs.has_key("reset"):
+        else:
             self.mbc.criterions = []
+
         EmailListing.__init__(self, **kwargs)  
         self.extravars["refreshrate"] = \
             int(parameters.get_user(user, "REFRESH_INTERVAL")) * 1000
diff --git a/extensions/webmail/static/js/webmail.js b/extensions/webmail/static/js/webmail.js
index f882fc796..ec96978a5 100644
--- a/extensions/webmail/static/js/webmail.js
+++ b/extensions/webmail/static/js/webmail.js
@@ -42,6 +42,7 @@ var Webmail = new Class({
      */
     init_menubar: function() {
         searchbox_init();
+        $$("a[name=compose]").addEvent("click", this.compose_loader);
         $$("a[name=mark-read]").addEvent("click", this.send_mark_request.bind(this));
         $$("a[name=mark-unread]").addEvent("click", this.send_mark_request.bind(this));
         $$("a[name=fdaction]").addEvent("click", function(evt) {
@@ -58,11 +59,21 @@ var Webmail = new Class({
       var ids = new Array();
 
       this.emails_table._selectedRows.each(function(item, index) {
-        ids.include(item.get("id"));
+          ids.include(item.get("id"));
       });
       this.simple_request(evt.target.get("href"), {
           ids : ids.join()
-      });
+      }, function(response) {
+          if (response.action == "read") {
+              this.emails_table._selectedRows.removeClass("unseen");
+          } else {
+              this.emails_table._selectedRows.addClass("unseen");
+          }
+          /*
+           * MAJ de l'affichage du nombre de messages non lus
+           * (faire fonction à part)
+           */
+      }.bind(this));
     },
 
     /*
@@ -461,7 +472,7 @@ var Webmail = new Class({
      */
     compose_loader: function(event) {
         event.stop();
-        current_anchor.baseurl("compose").update();
+        current_anchor.reset().setparam("action", this.get("href")).update();
     },
 
     /*
@@ -505,7 +516,8 @@ var Webmail = new Class({
      * It is also shared with other similar actions : reply, forward.
      */
     compose_callback: function(resp) {
-        wm_updatelisting(resp);
+        //wm_updatelisting(resp);
+        updatelisting(resp);
 
         window.addEvent("resize", this.resize_window_callback.bind(this));
 
@@ -534,9 +546,9 @@ var Webmail = new Class({
             });
         });
 
-        $$("a[name=back]")
+        /*$$("a[name=back]")
             .removeEvents("click")
-            .addEvent("click", this._listmailbox_loader);
+            .addEvent("click", this._listmailbox_loader);*/
         $$("a[name=sendmail]")
             .store("editormode", editormode)
             .removeEvents("click")
@@ -583,7 +595,7 @@ var Webmail = new Class({
      * encoded answer. The infobox is cleared by the request callback
      * function.
      */
-    simple_request: function(url, params) {
+    simple_request: function(url, params, callback) {
         infobox.show(gettext("Waiting..."), {
             profile: "gray",
             spinner: true
@@ -593,8 +605,12 @@ var Webmail = new Class({
             url : url,
             onSuccess : function(response) {
                 if (response.status == "ok") {
-                    if (!$defined(response.next)) {
-                        current_anchor.get_callback("listmailbox")(response);
+                    if (response.next == undefined) {
+                        if (callback != undefined) {
+                            callback(response);
+                        } else {
+                            current_anchor.get_callback("listmailbox")(response);
+                        }
                     }
                     infobox.info(gettext("Done"));
                     if ($defined(response.next)) {
diff --git a/extensions/webmail/templatetags/webextras.py b/extensions/webmail/templatetags/webextras.py
index 74b9bdbd4..7fbc923a0 100644
--- a/extensions/webmail/templatetags/webextras.py
+++ b/extensions/webmail/templatetags/webextras.py
@@ -56,7 +56,7 @@ def viewm_menu(selection, backurl, folder, mail_id, user):
 def compose_menu(selection, backurl, user):
     entries = [
         {"name" : "back",
-         "url" : backurl,
+         "url" : "javascript:history.go(-2);",#backurl,
          "img" : static_url("pics/back.png"),
          "label" : _("Back")},
         {"name" : "sendmail",
@@ -72,7 +72,7 @@ def compose_menu(selection, backurl, user):
 def listmailbox_menu(selection, folder, user):
     entries = [
         {"name" : "compose",
-         "url" : reverse(webmail.views.compose),
+         "url" : "compose",
          "img" : static_url("pics/edit.png"),
          "label" : _("New message")},
         {"name" : "mark",
diff --git a/extensions/webmail/urls.py b/extensions/webmail/urls.py
index cf6996121..c78f24209 100644
--- a/extensions/webmail/urls.py
+++ b/extensions/webmail/urls.py
@@ -10,7 +10,7 @@ urlpatterns = patterns('modoboa.extensions.webmail.views',
                        (r'^$', "newindex"),
                        (r'^submailboxes', "submailboxes"),
 
-                       (r'^compose/$', "compose"),
+#                       (r'^compose/$', "compose"),
                        (r'^move/$', "move"),
                        (r'^mark/(?P<name>.+)/$', "mark"),
                        (r'^empty/(?P<name>.+)/$', "empty"),
diff --git a/extensions/webmail/views.py b/extensions/webmail/views.py
index 888d314f7..c281e4351 100644
--- a/extensions/webmail/views.py
+++ b/extensions/webmail/views.py
@@ -230,87 +230,89 @@ def delete(request, fdname, mail_id):
 @login_required
 @is_not_localadmin()
 def mark(request, name):
-    if not request.GET.has_key("status") or not request.GET.has_key("ids"):
-        return
-    mbc = IMAPconnector(user=request.user.username,
-                        password=request.session["password"])
+    status = request.GET.get("status", None)
+    ids = request.GET.get("ids", None)
+    if status is None or ids is None:
+        raise WebmailError(_("Invalid request"))
+    imapc = get_imapconnector(request)
     try:
-        getattr(mbc, "msg_%s" % request.GET["status"])(name, request.GET["ids"])
+        getattr(imapc, "mark_messages_%s" % status)(name, ids)
     except AttributeError:
-        pass
-    return folder(request, name, False)
+        raise WebmailError(_("Unknown action"))
+
+    return ajax_simple_response(
+        dict(status="ok", action=status, mbox=name,
+             unseen=imapc.unseen_messages(name))
+        )
 
 @login_required
 @is_not_localadmin()
 def empty(request, name):
     if name == parameters.get_user(request.user, "TRASH_FOLDER"):
-        mbc = IMAPconnector(user=request.user.username,
-                            password=request.session["password"])
-        mbc.empty(name)
-    return folder(request, name, False)
+        get_imapconnector(request).empty(name)
+    return ajax_simple_response(dict(status="ok"))
 
 @login_required
 @is_not_localadmin()
 def compact(request, name):
-    mbc = IMAPconnector(user=request.user.username,
-                        password=request.session["password"])
-    mbc.compact(name)
-    return folder(request, name, False)
+    imapc = get_imapconnector(request)
+    imapc.compact(name)
+    return ajax_simple_response(dict(status="ok"))
 
-def render_compose(request, form, posturl, email=None, insert_signature=False):
-    menu = compose_menu("", get_current_url(request), 
-                        request.user.get_all_permissions())
-    editor = parameters.get_user(request.user, "EDITOR")
-    if email is None:
-        body = ""
-        textheader = ""
-    else:
-        body = email.body
-        textheader = email.textheader
-    if insert_signature:
-        signature = EmailSignature(request.user)
-        body += str(signature)
-    randid = None
-    if not request.GET.has_key("id"):
-        if request.session.has_key("compose_mail"):
-            clean_attachments(request.session["compose_mail"]["attachments"])
-        randid = set_compose_session(request)
-    elif not request.session.has_key("compose_mail") \
-            or request.session["compose_mail"]["id"] != request.GET["id"]:
-        randid = set_compose_session(request)
+# def render_compose(request, form, posturl, email=None, insert_signature=False):
+#     menu = compose_menu("", get_current_url(request), 
+#                         request.user.get_all_permissions())
+#     editor = parameters.get_user(request.user, "EDITOR")
+#     if email is None:
+#         body = ""
+#         textheader = ""
+#     else:
+#         body = email.body
+#         textheader = email.textheader
+#     if insert_signature:
+#         signature = EmailSignature(request.user)
+#         body += str(signature)
+#     randid = None
+#     if not request.GET.has_key("id"):
+#         if request.session.has_key("compose_mail"):
+#             clean_attachments(request.session["compose_mail"]["attachments"])
+#         randid = set_compose_session(request)
+#     elif not request.session.has_key("compose_mail") \
+#             or request.session["compose_mail"]["id"] != request.GET["id"]:
+#         randid = set_compose_session(request)
 
-    attachments = request.session["compose_mail"]["attachments"]
-    if len(attachments):
-        short_att_list = "(%s)" \
-            % ", ".join(map(lambda att: att["fname"], 
-                            attachments[:2] + [{"fname" : "..."}] \
-                                if len(attachments) > 2 else attachments))
-    else:
-        short_att_list = ""
-    content = _render_to_string(request, "webmail/compose.html", {
-            "form" : form, "bodyheader" : textheader,
-            "body" : body, "posturl" : posturl,
-            "attachments" : attachments, "short_att_list" : short_att_list
-            })
-    mbc = IMAPconnector(user=request.user.username, 
-                        password=request.session["password"])
-    ctx = getctx("ok", level=2, editor=editor, 
-                 **__render_common_components(request, request.session["folder"], 
-                                              menu=menu, content=content))
-    if randid is not None:
-        ctx["id"] = randid
-    return HttpResponse(simplejson.dumps(ctx), mimetype="application/json")
+#     attachments = request.session["compose_mail"]["attachments"]
+#     if len(attachments):
+#         short_att_list = "(%s)" \
+#             % ", ".join(map(lambda att: att["fname"], 
+#                             attachments[:2] + [{"fname" : "..."}] \
+#                                 if len(attachments) > 2 else attachments))
+#     else:
+#         short_att_list = ""
+#     content = _render_to_string(request, "webmail/compose.html", {
+#             "form" : form, "bodyheader" : textheader,
+#             "body" : body, "posturl" : posturl,
+#             "attachments" : attachments, "short_att_list" : short_att_list
+#             })
+#     mbc = IMAPconnector(user=request.user.username, 
+#                         password=request.session["password"])
+#     ctx = getctx("ok", level=2, editor=editor, 
+#                  **__render_common_components(request, request.session["folder"], 
+#                                               menu=menu, content=content))
+#     if randid is not None:
+#         ctx["id"] = randid
+#     return HttpResponse(simplejson.dumps(ctx), mimetype="application/json")
 
-@login_required
-@is_not_localadmin()
-def compose(request):
-    if request.method == "POST":
-        status, resp = send_mail(request, posturl=reverse(compose))
-        return resp
+# @login_required
+# @is_not_localadmin()
+# def compose(request):
+#     if request.method == "POST":
+#         status, resp = send_mail(request, posturl=reverse(compose))
+#         return resp
 
-    form = ComposeMailForm()
-    form.fields["from_"].initial = request.user.username
-    return render_compose(request, form, reverse(compose), insert_signature=True)
+#     form = ComposeMailForm()
+#     form.fields["from_"].initial = request.user.username
+#     return render_compose(request, form, reverse(compose), insert_signature=True)
 
 @login_required
 @is_not_localadmin()
@@ -503,6 +505,12 @@ def delattachment(request):
 # NEW CODE STARTS HERE
 #
 def render_mboxes_list(request, imapc):
+    """Return the HTML representation of a mailboxes list
+
+    :param request: a ``Request`` object
+    :param imap: an ``IMAPconnector` object
+    :return: a string
+    """
     curmbox = request.session.get("mbox", "INBOX")
     return _render_to_string(request, "webmail/folders.html", {
             "titlebar" : True,
@@ -518,19 +526,83 @@ def set_nav_params(request):
         
     request.session["pageid"] = \
         int(request.GET.get("page", 1))
+    if not request.GET.get("order", False):
+        if not request.session["navparams"].has_key("order"):
+            request.session["navparams"]["order"] = "-date"
+    else:
+        request.session["navparams"]["order"] = request.GET.get("order")
+
+    for p in ["pattern", "criteria"]:
+        if request.GET.get(p, False):
+            request.session["navparams"][p] = request.GET[p]
+        elif request.session["navparams"].has_key(p):
+            del request.session["navparams"][p]
 
 def listmailbox(request, defmailbox="INBOX"):
+    """Mailbox content listing
+
+    Return a list of messages contained in the specified mailbox. The
+    number of elements returned depends on the ``MESSAGES_PER_PAGE``
+    parameter. (user preferences)
+
+    :param request: a ``Request`` object
+    :param defmailbox: the default mailbox (when not present inside request arguments)
+    :return: a dictionnary
+    """
     mbox = request.GET.get("name", defmailbox)
     request.session["mbox"] = mbox
-
     set_nav_params(request)
 
     lst = ImapListing(request.user, request.session["password"],
                       baseurl="?action=listmailbox&name=%s&" % mbox,
-                      folder=mbox, order="-date")
+                      folder=mbox, **request.session["navparams"])
 
     return lst.render(request, request.session["pageid"])
 
+def render_compose(request, form, posturl, email=None, insert_signature=False):
+    editor = parameters.get_user(request.user, "EDITOR")
+    if email is None:
+        body = ""
+        textheader = ""
+    else:
+        body = email.body
+        textheader = email.textheader
+    if insert_signature:
+        signature = EmailSignature(request.user)
+        body += str(signature)
+    randid = None
+    if not request.GET.has_key("id"):
+        if request.session.has_key("compose_mail"):
+            clean_attachments(request.session["compose_mail"]["attachments"])
+        randid = set_compose_session(request)
+    elif not request.session.has_key("compose_mail") \
+            or request.session["compose_mail"]["id"] != request.GET["id"]:
+        randid = set_compose_session(request)
+
+    attachments = request.session["compose_mail"]["attachments"]
+    if len(attachments):
+        short_att_list = "(%s)" \
+            % ", ".join(map(lambda att: att["fname"], 
+                            attachments[:2] + [{"fname" : "..."}] \
+                                if len(attachments) > 2 else attachments))
+    else:
+        short_att_list = ""
+    content = _render_to_string(request, "webmail/compose.html", {
+            "form" : form, "bodyheader" : textheader,
+            "body" : body, "posturl" : posturl,
+            "attachments" : attachments, "short_att_list" : short_att_list
+            })
+
+    ctx = dict(listing=content, editor=editor)
+    if randid is not None:
+        ctx["id"] = randid
+    return ctx
+
+def compose(request):
+    form = ComposeMailForm()
+    form.fields["from_"].initial = request.user.username
+    return render_compose(request, form, "compose", insert_signature=True)
+
 @login_required
 @is_not_localadmin()
 def submailboxes(request):
@@ -556,6 +628,11 @@ def newindex(request):
     faudrait pouvoir envoyer le menu par la même occasion, le souci
     étant de savoir lequel...
 
+    Une solution possible : il suffirait de déplacer le menu vers la
+    droite pour l'aligner avec le contenu, remonter la liste des
+    dossiers (même hauteur que le menu) et renvoyer le menu en même
+    temps que le contenu. Le rendu sera plus uniforme je pense.
+
     """
     action = request.GET.get("action", None)
     json = request.GET.get("json", False)
@@ -571,8 +648,8 @@ def newindex(request):
         response = dict(deflocation="?action=listmailbox", 
                         defcallback="wm_updatelisting")
 
+    curmbox = request.session.get("mbox", "INBOX")
     if not json:
-        curmbox = request.session.get("mbox", "INBOX")
         imapc = get_imapconnector(request)
         response["refreshrate"] = \
             int(parameters.get_user(request.user, "REFRESH_INTERVAL")) * 1000
@@ -580,9 +657,19 @@ def newindex(request):
         try:
             menufunc = globals()["%s_menu" % action]
         except KeyError:
-            menufunc = globals()["listmailbox_menu"]
+            if request.session.has_key("lastaction"):
+                menufunc = globals()["%s_menu" % request.session["lastaction"]]
+            else:
+                menufunc = globals()["listmailbox_menu"]
         response["menu"] = menufunc("", curmbox, request.user)
         return _render(request, "webmail/index.html", response)
 
+    if request.session.get("lastaction", None) != action:
+        request.session["lastaction"] = action
+        try:
+            response["menu"] = globals()["%s_menu" % action]("", curmbox, request.user)
+        except KeyError:
+            pass
+
     response.update(status="ok", callback=action)
     return ajax_simple_response(response)
diff --git a/static/js/anchor_nav.js b/static/js/anchor_nav.js
index f17619c38..45ea29075 100644
--- a/static/js/anchor_nav.js
+++ b/static/js/anchor_nav.js
@@ -53,11 +53,13 @@ var AnchorNavigation = new Class({
         if (reset) {
             this.reset();
         }
-        this.base = (splits[0] == "") ? this.deflocation : splits[0];
+        this.base = splits[0];
 
-        var re = new RegExp("/$");
-        if (!this.base.match(re)) {
-            this.base += '/';
+        if (this.base != "") {
+            var re = new RegExp("/$");
+            if (!this.base.match(re)) {
+                this.base += '/';
+            }
         }
         if (splits.length > 1) {
             var params = splits[1].split('&');
@@ -183,16 +185,14 @@ var AnchorNavigation = new Class({
     },
 
     check_anchor: function() {
-        if (this.serialized == location.hash
-            && !$defined(this.force)) {
+        if (this.serialized == location.hash && this.force == undefined) {
             return;
         }
         delete(this.force);
-        this.from_string(location.hash);
-        if (!this.serialized) {
-            location.hash = this.deflocation;
-            return;
-        }
+
+        this.from_string((location.hash != "") ? location.hash : "#" + this.deflocation);
+        location.hash = this.serialized;
+
         if (!this.updatenext) {
             this.updatenext = true;
             return;
diff --git a/static/js/common.js b/static/js/common.js
index 77c5ba472..70b1c21c9 100644
--- a/static/js/common.js
+++ b/static/js/common.js
@@ -153,8 +153,10 @@ checkTableSelection = function(text) {
     return confirm(text);
 };
 
-searchbox_init = function() {
+function searchbox_init() {
     var myFx = new Fx.Slide($("searchparams"));
+    var $searchfield = $("searchfield");
+
     myFx.hide();
     $("searchopts").addEvent("click", function(event) {
         myFx.cancel();
@@ -164,28 +166,31 @@ searchbox_init = function() {
         myFx.cancel();
         myFx.toggle();
     });
-    $("searchfield").addEvent("change", function(event) {
+    $searchfield.addEvent("change", function(event) {
         var criteria = "";
+        var pattern = this.get("value");
+
         $$("input[name=scriteria]:checked").each(function(obj) {
             criteria = obj.value;
         });
-        var pattern = $("searchfield").get("value");
         if (pattern != "") {
-            var params = "pattern=" + pattern + "&criteria=" + criteria;
-            current_anchor.updateparams(params);
+            current_anchor.setparams({
+                pattern: pattern,
+                criteria: criteria
+            });
         } else {
             current_anchor.deleteParam("pattern");
             current_anchor.deleteParam("criteria");
         }
         current_anchor.update();
     });
-    $("searchfield").addEvent("click", function(event) {
-        $("searchfield").select();
+    $searchfield.addEvent("click", function(event) {
+        $searchfield.select();
     });
 
-    $("searchfield").addEvent("blur", function(event) {
-        if ($("searchfield").value == "") {
-            $("searchfield").set("value", gettext("Search..."));
+    $searchfield.addEvent("blur", function(event) {
+        if ($searchfield.value == "") {
+            $searchfield.set("value", gettext("Search..."));
         }
     });
     $("searchbox").setStyle("float", "left");
@@ -193,7 +198,7 @@ searchbox_init = function() {
     if (frag.indexOf('?') != -1) {
         var params = frag.substring(frag.indexOf('?') + 1).parseQueryString();
         if ($defined(params.pattern)) {
-            $("searchfield").set("value", params.pattern);
+            $searchfield.set("value", params.pattern);
         }
         if ($defined(params.criteria)) {
             $("crit_" + params.criteria).checked = true;