diff --git a/addons/document/directory_report.py b/addons/document/directory_report.py
index aac65cc8e36..a7a3d80191b 100644
--- a/addons/document/directory_report.py
+++ b/addons/document/directory_report.py
@@ -45,7 +45,7 @@ class ir_action_report_xml(osv.osv):
                     res[data.get('id')] = False
         return res
 
-    def _model_search(self, cr, uid, obj, name, args):
+    def _model_search(self, cr, uid, obj, name, args, context={}):
         if not len(args):
             return []
         model_id= args[0][2]
diff --git a/addons/document/document_directory.py b/addons/document/document_directory.py
index 17c3dfb66d9..554eae43e08 100644
--- a/addons/document/document_directory.py
+++ b/addons/document/document_directory.py
@@ -64,8 +64,7 @@ class document_directory(osv.osv):
     def _get_root_directory(self, cr,uid, context=None):
         objid=self.pool.get('ir.model.data')
         try:
-            mid = objid._get_id(cr, uid, 'document', 'dir_root')
-            return False # TODO: check why not display root dir 
+            mid = objid._get_id(cr, uid, 'document', 'dir_root')            
             if not mid:
                 return False
         except Exception, e:
@@ -199,8 +198,8 @@ class document_directory(osv.osv):
             path.append(duri[0])
             duri = duri[1:]
             did = nid[0]
-        
-        return (nodes.node_dir(path, nparent,ncontext,self.browse(cr,uid,did, context)), duri)
+        root_node = did and self.browse(cr,uid,did, context) or False
+        return (nodes.node_dir(path, nparent,ncontext, root_node), duri)
 
         
         nid = self.search(cr,uid,[('parent_id','=',did),('name','=',duri[0]),('type','=','ressource')], context=context)
diff --git a/addons/document/nodes.py b/addons/document/nodes.py
index c6e2f1b10d1..2335eaf4b58 100644
--- a/addons/document/nodes.py
+++ b/addons/document/nodes.py
@@ -49,18 +49,17 @@ class node_context(object):
         context """
     cached_roots = {}
 
-    def __init__(self, cr, uid, context=None):
-        # we don't cache the cr!
+    def __init__(self, cr, uid, context=None):        
         self.dbname = cr.dbname
         self.uid = uid
         self.context = context
         self._dirobj = pooler.get_pool(cr.dbname).get('document.directory')
         assert self._dirobj
-        self.rootdir = self._dirobj._get_root_directory(cr,uid,context)
+        self.rootdir = False #self._dirobj._get_root_directory(cr,uid,context)
 
     def get_uri(self, cr,  uri):
         """ Although this fn passes back to doc.dir, it is needed since
-        it is a potential caching point """        
+        it is a potential caching point """            
         (ndir, duri) =  self._dirobj._locate_child(cr,self.uid, self.rootdir,uri, None, self)          
         while duri:                    
             ndir = ndir.child(cr, duri[0])            
@@ -168,23 +167,23 @@ class node_dir(node_class):
     our_type = 'collection'
     def __init__(self,path, parent, context, dirr, dctx=None):
         super(node_dir,self).__init__(path, parent,context)
-        self.dir_id = dirr.id
+        self.dir_id = dirr and dirr.id or False
         #todo: more info from dirr
         self.mimetype = 'application/x-directory'
             # 'httpd/unix-directory'
-        self.create_date = dirr.create_date        
-        self.domain = dirr.domain
-        self.res_model = dirr.ressource_type_id and dirr.ressource_type_id.model or False
+        self.create_date = dirr and dirr.create_date or False
+        self.domain = dirr and dirr.domain or []
+        self.res_model = dirr and dirr.ressource_type_id and dirr.ressource_type_id.model or False
         # TODO: the write date should be MAX(file.write)..
-        self.write_date = dirr.write_date or dirr.create_date
+        self.write_date = dirr and (dirr.write_date or dirr.create_date) or False
         self.content_length = 0
         if dctx:
             self.dctx.update(dctx)
         dc2 = self.context.context
         dc2.update(self.dctx)
         dc2['dir_id'] = self.dir_id
-        self.displayname = dirr.name
-        if dirr.dctx_ids:
+        self.displayname = dirr and dirr.name or False
+        if dirr and dirr.dctx_ids:
             for dfld in dirr.dctx_ids:
                 try:
                     self.dctx['dctx_' + dfld.field] = safe_eval(dfld.expr,dc2)
diff --git a/addons/project/project_demo.xml b/addons/project/project_demo.xml
index 7b5d565fead..f668d82bf5c 100644
--- a/addons/project/project_demo.xml
+++ b/addons/project/project_demo.xml
@@ -1,14 +1,14 @@
 <?xml version="1.0" encoding="utf-8"?>
 <openerp>
     <data noupdate="1">
-        
+
         <!--
 	Resource: project.project
 	-->
         <record id="base.main_company" model="res.company">
             <field name="project_time_mode_id" ref="product.uom_hour"></field>
         </record>
-        
+
 		<!-- Task Types -->
         <record id="project_tt_specification" model="project.task.type">
             <field name="sequence">1</field>
@@ -26,7 +26,7 @@
             <field name="sequence">4</field>
             <field name="name">Merge</field>
         </record>
-		
+
 		<!-- Projects -->
         <record id="project_project_9" model="project.project">
             <field name="warn_manager">1</field>
@@ -39,7 +39,6 @@
             <field name="priority">10</field>
             <field name="parent_id" ref="project_project_9"/>
             <field name="name">Study + Prototype</field>
-            <field model="account.analytic.account" name="category_id" search="[('name','=', 'Seagate P1')]"/>
             <field name="manager" ref="base.user_root"/>
             <field eval="[(6, 0, [ref('project_tt_specification'),ref('project_tt_development')])]" name="type_ids"/>
         </record>
@@ -47,7 +46,6 @@
             <field name="priority">20</field>
             <field name="parent_id" ref="project_project_9"/>
             <field name="name">Specific Developements</field>
-            <field model="account.analytic.account" name="category_id" search="[('name','=', 'Seagate P1')]"/>
             <field name="manager" ref="base.user_root"/>
             <field eval="[(6, 0, [ref('project_tt_specification'), ref('project_tt_development')])]" name="type_ids"/>
         </record>
@@ -55,11 +53,10 @@
             <field name="priority">30</field>
             <field name="parent_id" ref="project_project_9"/>
             <field name="name">Install, data import, configuration</field>
-            <field model="account.analytic.account" name="category_id" search="[('name','=', 'Seagate P1')]"/>
             <field name="manager" ref="base.user_root"/>
             <field eval="[(6, 0, [ref('project_tt_development')])]" name="type_ids"/>
         </record>
-        
+
 		<!-- Tasks -->
         <record id="project_task_116" model="project.task">
             <field name="planned_hours">38.0</field>