diff --git a/browser/configure.zcml b/browser/configure.zcml
index 4b92714..19e1eeb 100644
--- a/browser/configure.zcml
+++ b/browser/configure.zcml
@@ -38,6 +38,19 @@
       fields="title"
       />
 
+  <menu
+      id="mmain"
+      title="main Menu"
+      />
+
+  <menuItem
+      action="demo"
+      for="zope.interface.Interface"
+      menu="mmain"
+      title="Demo"
+      permission="zope.Public"
+      />
+
   <include package=".skin" />
 
 </configure>
diff --git a/browser/menu.py b/browser/menu.py
new file mode 100644
index 0000000..61c82bd
--- /dev/null
+++ b/browser/menu.py
@@ -0,0 +1,53 @@
+#
+#  Copyright (c) 2005 Helmut Merz helmutm@cy55.de
+#
+#  This program is free software; you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+
+"""
+cybertools menu.
+
+$Id$
+"""
+
+from zope.app import zapi
+from zope.app.pagetemplate.simpleviewclass import simple
+from zope.viewlet.viewlet import ViewletBase, SimpleViewletClass
+from zope.app.publisher.interfaces.browser import IBrowserMenu
+
+
+class MenuViewlet(ViewletBase):
+    """ Menu viewlet.
+    """
+
+    def getMenu(self):
+        menu = zapi.getUtility(IBrowserMenu, name='mmain')
+        return menu
+    
+
+def GenericMenuViewlet(template, offering=None, bases=(), name=u'', weight=0):
+    #return SimpleViewletClass(template, offering,
+    #                bases + (MenuViewletBase,), name, weight)
+    if offering is None:
+        offering = sys._getframe(1).f_globals
+    bases += (MenuViewletBase, simple)
+    class_ = type("GenericMenuViewlet from %s" % template, bases,
+                  {'index' : ViewletPageTemplateFile(template, offering),
+                   '_weight' : weight,
+                   '__name__' : name})
+    return class_
+
+
+                    
\ No newline at end of file
diff --git a/browser/skin/configure.zcml b/browser/skin/configure.zcml
index 5ebe6b9..e48d04d 100644
--- a/browser/skin/configure.zcml
+++ b/browser/skin/configure.zcml
@@ -32,4 +32,24 @@
   <resource name="bg_cyberview.gif" image="bg_cyberview.gif"
             layer="cyberview" />
 
+  <zope:interface interface="cybertools.browser.viewlets.ILeft"
+      type="zope.contentprovider.interfaces.IContentProviderType" />
+      
+  <viewletManager
+      name="navMenu"
+      provides="cybertools.browser.viewlets.ILeft"
+      template="left_slot.pt"
+      permission="zope.Public"
+      layer="cyberview"
+      />
+
+  <viewlet
+      name="navMenu"
+      manager="cybertools.browser.viewlets.ILeft"
+      template="menu_viewlet.pt"
+      class="cybertools.browser.menu.MenuViewlet"
+      permission="zope.Public"
+      layer="cyberview"
+      />
+
 </configure>
diff --git a/browser/skin/left_slot.pt b/browser/skin/left_slot.pt
new file mode 100644
index 0000000..f03026c
--- /dev/null
+++ b/browser/skin/left_slot.pt
@@ -0,0 +1,10 @@
+<div>
+  Headline
+</div>
+<div tal:repeat="viewlet options/viewlets">
+  <div tal:content="structure python: viewlet(viewlet=viewlet)">
+  <!--<div tal:repeat="item python: menu.getMenuItems(context, request)">
+    <span tal:replace="item/title"/>
+  </div>-->
+  </div>
+</div>
diff --git a/browser/skin/menu_viewlet.pt b/browser/skin/menu_viewlet.pt
new file mode 100644
index 0000000..35598ba
--- /dev/null
+++ b/browser/skin/menu_viewlet.pt
@@ -0,0 +1,2 @@
+<div tal:define="menu options/viewlet/getMenu"
+     tal:content="python: menu.getMenuItems(context, request)" />
diff --git a/browser/skin/view_macros.pt b/browser/skin/view_macros.pt
index b0cc3d5..becb812 100644
--- a/browser/skin/view_macros.pt
+++ b/browser/skin/view_macros.pt
@@ -27,13 +27,13 @@
     <table class="columns">
       <tr>
         <td class="left">
-          <span metal:use-macro="context/@@standard_macros/navigation_box" />
           <!--
             <span metal:use-macro="context/@@standard_macros/commontasks_box" />
             <span metal:use-macro="context/@@standard_macros/metadata_box" />
             <span metal:use-macro="context/@@standard_macros/views_box" />
             <span metal:use-macro="context/@@standard_macros/actions_box" />
           -->
+          <div tal:replace="structure provider:navMenu" />
         </td>
         <td class="main">
           <!--
diff --git a/browser/viewlets.py b/browser/viewlets.py
new file mode 100644
index 0000000..e2f21ea
--- /dev/null
+++ b/browser/viewlets.py
@@ -0,0 +1,29 @@
+#
+#  Copyright (c) 2005 Helmut Merz helmutm@cy55.de
+#
+#  This program is free software; you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+
+"""
+cybertools regions.
+
+$Id$
+"""
+
+from zope.viewlet.interfaces import IViewletManager
+
+class ILeft(IViewletManager):
+    """ Left slot.
+    """