diff --git a/Makefile b/Makefile
index 9e84e356aaf..4beb20d3eed 100644
--- a/Makefile
+++ b/Makefile
@@ -29,3 +29,6 @@ doc:
 cloc:
 	cloc addons/*/common/*.py addons/*/controllers/*.py addons/*/static/src/*.js addons/*/static/src/js/*.js addons/*/static/src/css/*.css addons/*/static/src/xml/*.xml
 
+blamestat:
+	echo addons/*/common/*.py addons/*/controllers/*.py addons/*/static/src/js/*.js addons/*/static/src/css/*.css addons/*/static/src/xml/*.xml  | xargs -t -n 1 bzr blame -v --long --all |  awk '{print $2}' | sort | uniq -c | sort -n
+
diff --git a/addons/web/common/http.py b/addons/web/common/http.py
index ac9b95dcb26..016aff3754e 100644
--- a/addons/web/common/http.py
+++ b/addons/web/common/http.py
@@ -145,21 +145,22 @@ class JsonRequest(WebRequest):
         jsonp = args.get('jsonp')
         requestf = None
         request = None
+        request_id = args.get('id')
 
         if jsonp and self.httprequest.method == 'POST':
             # jsonp 2 steps step1 POST: save call
             self.init(args)
-            req.session.jsonp_requests[args.get('id')] = self.httprequest.form['r']
+            self.session.jsonp_requests[request_id] = self.httprequest.form['r']
             headers=[('Content-Type', 'text/plain; charset=utf-8')]
             r = werkzeug.wrappers.Response(request_id, headers=headers)
             return r
         elif jsonp and args.get('r'):
             # jsonp method GET
             request = args.get('r')
-        elif jsonp and args.get('id'):
+        elif jsonp and request_id:
             # jsonp 2 steps step2 GET: run and return result
             self.init(args)
-            request = self.session.jsonp_requests.pop(args.get(id), "")
+            request = self.session.jsonp_requests.pop(request_id, "")
         else:
             # regular jsonrpc2
             requestf = self.httprequest.stream
@@ -354,7 +355,7 @@ def session_context(request, storage_path, session_cookie='sessionid'):
         # Remove all OpenERPSession instances with no uid, they're generated
         # either by login process or by HTTP requests without an OpenERP
         # session id, and are generally noise
-        removed_sessions = []
+        removed_sessions = set()
         for key, value in request.session.items():
             if (isinstance(value, session.OpenERPSession) 
                 and not value._uid
@@ -362,7 +363,7 @@ def session_context(request, storage_path, session_cookie='sessionid'):
                 and value._creation_time + (60*5) < time.time()  # FIXME do not use a fixed value
             ):
                 _logger.debug('remove session %s', key)
-                removed_sessions.append(key)
+                removed_sessions.add(key)
                 del request.session[key]
 
         with session_lock:
diff --git a/addons/web/controllers/main.html b/addons/web/controllers/main.html
deleted file mode 100644
index fd0be5ba349..00000000000
--- a/addons/web/controllers/main.html
+++ /dev/null
@@ -1,21 +0,0 @@
-<!DOCTYPE html>
-<html style="height: 100%%">
-    <head>
-        <meta http-equiv="content-type" content="text/html; charset=utf-8" />
-        <title>OpenERP</title>
-        <link rel="shortcut icon" href="/web/static/src/img/favicon.ico" type="image/x-icon"/>
-        %(css)s
-        %(js)s
-        <script type="text/javascript">
-            $(function() {
-                var s = new openerp.init(%(modules)s);
-                var webclient = new s.web.WebClient();
-                webclient.$element = $(document.body);
-                webclient.start();
-            });
-        </script>
-    </head>
-    <body class="openerp" id="oe">
-        <!-- should add a loading message? -->
-    </body>
-</html>
\ No newline at end of file
diff --git a/addons/web/controllers/main.py b/addons/web/controllers/main.py
index 7f5b43ba671..26e7d6baba6 100644
--- a/addons/web/controllers/main.py
+++ b/addons/web/controllers/main.py
@@ -6,6 +6,7 @@ import csv
 import glob
 import itertools
 import operator
+import datetime
 import os
 import re
 import simplejson
@@ -84,9 +85,24 @@ def concat_files(file_list, reader=None, intersperse=""):
     files_concat = intersperse.join(files_content)
     return files_concat,files_timestamp
 
-html_template = None
-with open(os.path.join(os.path.dirname(os.path.abspath(__file__)), "main.html")) as html_file:
-    html_template = html_file.read()
+html_template = """<!DOCTYPE html>
+<html style="height: 100%%">
+    <head>
+        <meta http-equiv="content-type" content="text/html; charset=utf-8" />
+        <title>OpenERP</title>
+        <link rel="shortcut icon" href="/web/static/src/img/favicon.ico" type="image/x-icon"/>
+        %(css)s
+        %(js)s
+        <script type="text/javascript">
+            $(function() {
+                var s = new openerp.init(%(modules)s);
+                %(init)s
+            });
+        </script>
+    </head>
+    <body class="openerp" id="oe"></body>
+</html>
+"""
 
 class WebClient(openerpweb.Controller):
     _cp_path = "/web/webclient"
@@ -192,6 +208,7 @@ class WebClient(openerpweb.Controller):
             'js': js,
             'css': css,
             'modules': simplejson.dumps(self.server_wide_modules(req)),
+            'init': 'new s.web.WebClient().start();',
         }
         return r
 
@@ -323,9 +340,14 @@ class Database(openerpweb.Controller):
     def backup(self, req, backup_db, backup_pwd, token):
         db_dump = base64.b64decode(
             req.session.proxy("db").dump(backup_pwd, backup_db))
+        filename = "%(db)s_%(timestamp)s.dump" % {
+            'db': backup_db,
+            'timestamp': datetime.datetime.utcnow().strftime(
+                "%Y-%m-%d_%H-%M-%SZ")
+        }
         return req.make_response(db_dump,
             [('Content-Type', 'application/octet-stream; charset=binary'),
-             ('Content-Disposition', 'attachment; filename="' + backup_db + '.dump"')],
+             ('Content-Disposition', 'attachment; filename="' + filename + '"')],
             {'fileToken': int(token)}
         )
 
@@ -858,7 +880,7 @@ class DataSet(openerpweb.Controller):
         :return: result of the onchange call with all domains parsed
         """
         result = self.call_common(req, model, method, args, context_id=context_id)
-        if 'domain' not in result:
+        if not result or 'domain' not in result:
             return result
 
         result['domain'] = dict(
diff --git a/addons/web/po/hr.po b/addons/web/po/hr.po
index a7c2724ca1c..e9b35d6768d 100644
--- a/addons/web/po/hr.po
+++ b/addons/web/po/hr.po
@@ -8,14 +8,14 @@ msgstr ""
 "Project-Id-Version: openerp-web\n"
 "Report-Msgid-Bugs-To: FULL NAME <EMAIL@ADDRESS>\n"
 "POT-Creation-Date: 2011-12-20 18:48+0100\n"
-"PO-Revision-Date: 2011-12-21 15:10+0000\n"
-"Last-Translator: Goran Kliska <gkliska@gmail.com>\n"
+"PO-Revision-Date: 2012-01-23 17:37+0000\n"
+"Last-Translator: Goran Cvijanović <goranc@gmail.com>\n"
 "Language-Team: Croatian <hr@li.org>\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"X-Launchpad-Export-Date: 2012-01-04 05:17+0000\n"
-"X-Generator: Launchpad (build 14616)\n"
+"X-Launchpad-Export-Date: 2012-01-24 05:44+0000\n"
+"X-Generator: Launchpad (build 14713)\n"
 
 #: addons/web/static/src/js/chrome.js:162
 #: addons/web/static/src/js/chrome.js:175
@@ -107,7 +107,7 @@ msgstr "Neispravno traženje"
 
 #: addons/web/static/src/js/search.js:403
 msgid "triggered from search view"
-msgstr ""
+msgstr "pokrenuto iz ekrana za pretraživanje"
 
 #: addons/web/static/src/js/search.js:490
 #, python-format
@@ -206,7 +206,7 @@ msgstr "je laž"
 
 #: addons/web/static/src/js/view_editor.js:42
 msgid "ViewEditor"
-msgstr ""
+msgstr "Uređivač"
 
 #: addons/web/static/src/js/view_editor.js:46
 #: addons/web/static/src/js/view_list.js:17
@@ -538,20 +538,23 @@ msgid ""
 "We think that daily job activities can be more intuitive, efficient, "
 "automated, .. and even fun."
 msgstr ""
+"Mi smatramo da dnevne poslovne aktivnosti mogu biti intuitivnije, "
+"efikasnije, automatizirane, .. i zabavne."
 
 #: addons/web/static/src/xml/base.xml:0
 msgid "OpenERP's vision to be:"
-msgstr ""
+msgstr "Vizija OpenERP-a da postane:"
 
 #: addons/web/static/src/xml/base.xml:0
 msgid "Full featured"
-msgstr ""
+msgstr "Pune funkcionalnosti"
 
 #: addons/web/static/src/xml/base.xml:0
 msgid ""
 "Today's enterprise challenges are multiple. We provide one module for each "
 "need."
 msgstr ""
+"Mnoštvo je izazova danas pred tvrtkama. Mi imamo modul za svaku od potreba."
 
 #: addons/web/static/src/xml/base.xml:0
 msgid "Open Source"
@@ -562,15 +565,18 @@ msgid ""
 "To Build a great product, we rely on the knowledge of thousands of "
 "contributors."
 msgstr ""
+"Za izgradnju vrhunskog rješenja, osanjamo se na znanja tisuće kontributora."
 
 #: addons/web/static/src/xml/base.xml:0
 msgid "User Friendly"
-msgstr ""
+msgstr "prilagođen korisniku"
 
 #: addons/web/static/src/xml/base.xml:0
 msgid ""
 "In order to be productive, people need clean and easy to use interface."
 msgstr ""
+"Da bi bili produktivni, ljudi trebaju uredno i jednostavno korisničko "
+"sučelje."
 
 #: addons/web/static/src/xml/base.xml:0
 msgid "("
@@ -618,7 +624,7 @@ msgstr "Debug pogled#"
 
 #: addons/web/static/src/xml/base.xml:0
 msgid "- Fields View Get"
-msgstr ""
+msgstr "Dohvat polja ekrana"
 
 #: addons/web/static/src/xml/base.xml:0
 msgid "- Edit"
@@ -630,11 +636,11 @@ msgstr "Pogled"
 
 #: addons/web/static/src/xml/base.xml:0
 msgid "- Edit SearchView"
-msgstr ""
+msgstr "Uredi ekran za pretraživanje"
 
 #: addons/web/static/src/xml/base.xml:0
 msgid "- Edit Action"
-msgstr ""
+msgstr "- Uredi akciju"
 
 #: addons/web/static/src/xml/base.xml:0
 msgid "Field"
@@ -662,11 +668,11 @@ msgstr "Dupliciraj"
 
 #: addons/web/static/src/xml/base.xml:0
 msgid "Unhandled widget"
-msgstr ""
+msgstr "Nepodržani ekranski dodatak"
 
 #: addons/web/static/src/xml/base.xml:0
 msgid "Notebook Page \""
-msgstr ""
+msgstr "Stranica \""
 
 #: addons/web/static/src/xml/base.xml:0
 msgid "\""
@@ -674,7 +680,7 @@ msgstr "\""
 
 #: addons/web/static/src/xml/base.xml:0
 msgid "Modifiers:"
-msgstr ""
+msgstr "Izmjene:"
 
 #: addons/web/static/src/xml/base.xml:0
 msgid "?"
@@ -778,7 +784,7 @@ msgstr "Gumb"
 
 #: addons/web/static/src/xml/base.xml:0
 msgid "(no string)"
-msgstr ""
+msgstr "(prazno)"
 
 #: addons/web/static/src/xml/base.xml:0
 msgid "Special:"
@@ -822,7 +828,7 @@ msgstr "(Zamjenit će postojeći filter istog naziva)"
 
 #: addons/web/static/src/xml/base.xml:0
 msgid "Select Dashboard to add this filter to:"
-msgstr ""
+msgstr "Odaberite panel za dodati ovaj filter:"
 
 #: addons/web/static/src/xml/base.xml:0
 msgid "Title of new Dashboard item:"
@@ -867,6 +873,10 @@ msgid ""
 "            You can export all data or only the fields that can be "
 "reimported after modification."
 msgstr ""
+"Ovaj pomoćni program će izvesti u CSV datoteku sve podatke koji "
+"zadovoljavaju postavljene uvjete.\n"
+"            Možete izvesti sve kolone ili samo one koje se mogu ponovno "
+"učitati nakon izmjena."
 
 #: addons/web/static/src/xml/base.xml:0
 msgid "Export Type:"
@@ -937,6 +947,10 @@ msgid ""
 "Select a .CSV file to import. If you need a sample of file to import,\n"
 "       you should use the export tool with the \"Import Compatible\" option."
 msgstr ""
+"Odaberite .CSV datoteku za uvoz. Ukoliko trebate primjer za izgled "
+"datoteke,\n"
+"       možete napraviti izvoz podataka koristeći \"Kompatibilnost za uvoz\" "
+"opciju."
 
 #: addons/web/static/src/xml/base.xml:0
 msgid "CSV File:"
@@ -984,7 +998,7 @@ msgstr "Uvoz nije izvršen:"
 
 #: addons/web/static/src/xml/base.xml:0
 msgid "Here is a preview of the file we could not import:"
-msgstr ""
+msgstr "Ovo je pregled datoteke koja se nije mogla uvesti:"
 
 #: addons/web/static/src/xml/base.xml:0
 msgid "OpenERP Web"
@@ -1031,6 +1045,12 @@ msgid ""
 "supply chain,\n"
 "            project management, production, services, CRM, etc..."
 msgstr ""
+"je slobodan poslovni softver dizajniran za unapređenje\n"
+"            produktivnost i profitabilnost kroz integraciju podataka. "
+"Povezuje, unapređuje i\n"
+"            upravlja poslovnim procesima u područjima poput prodaje, "
+"financija, nabave,\n"
+"            upravljanja projektima, proizvodnje, usluga, CRM, itd."
 
 #: addons/web/static/src/xml/base.xml:0
 msgid ""
@@ -1043,9 +1063,16 @@ msgid ""
 "            production system and migration to a new version to be "
 "straightforward."
 msgstr ""
+"Sustav je neovisan o platformi i može se instalirati na Windows, Mac OS X,\n"
+"            i različitim verzijama Linux i drugih Unix zasnovanih "
+"distribucija. Arhitektura omogućava\n"
+"            brzo dodavanje novih funkcionalnosti, izmjene na produkcijskom "
+"sustavu i,\n"
+"            olakšanu migraciju na nove verzije."
 
 #: addons/web/static/src/xml/base.xml:0
 msgid ""
 "Depending on your needs, OpenERP is available through a web or application "
 "client."
 msgstr ""
+"Ovisno o potrebama, OpenERP je dostupan kao web ili klasična aplikacija."
diff --git a/addons/web/static/lib/qweb/qweb-test-extend.xml b/addons/web/static/lib/qweb/qweb-test-extend.xml
index 44fda920e43..35181eb8ee9 100644
--- a/addons/web/static/lib/qweb/qweb-test-extend.xml
+++ b/addons/web/static/lib/qweb/qweb-test-extend.xml
@@ -22,11 +22,11 @@
     <t t-jquery="hr:eq(1)" t-operation="replace"><footer></footer></t>
 </t>
 <t t-extend="jquery-extend">
-    <t t-jquery="footer" t-operation="inner"><b>END</b></t>
+    <t t-jquery="footer" t-operation="inner"><b>[[end]]</b></t>
 </t>
 
 <t t-name="jquery-extend-clone" t-extend="jquery-extend">
-    <t t-jquery="ul" t-operation="append"><li>CLONED TEMPLATE</li></t>
+    <t t-jquery="ul" t-operation="append"><li>[[cloned template]]</li></t>
 </t>
 
 </templates>
diff --git a/addons/web/static/lib/qweb/qweb-test-foreach.xml b/addons/web/static/lib/qweb/qweb-test-foreach.xml
index 80749882aaf..8e335614c39 100644
--- a/addons/web/static/lib/qweb/qweb-test-foreach.xml
+++ b/addons/web/static/lib/qweb/qweb-test-foreach.xml
@@ -1,4 +1,4 @@
-<templates>
+<templates xml:space="preserve">
     <t t-name="repetition-text-content" t-foreach="seq">*</t>
     <t t-name="repetition-dom-content" t-foreach="seq"><b/></t>
     <b t-name="repetition-self" t-foreach="seq"/>
diff --git a/addons/web/static/lib/qweb/qweb-test.js.html b/addons/web/static/lib/qweb/qweb-test.js.html
index fda837497c4..02ec89c134c 100644
--- a/addons/web/static/lib/qweb/qweb-test.js.html
+++ b/addons/web/static/lib/qweb/qweb-test.js.html
@@ -5,7 +5,6 @@
     <link rel="stylesheet" href="http://code.jquery.com/qunit/git/qunit.css" type="text/css" media="screen"/>
     <script type="text/javascript" src="http://code.jquery.com/qunit/git/qunit.js"></script>
 
-    <script type="text/javascript" src="/base/static/lib/jquery/jquery-1.5.2.js"></script>
     <script type="text/javascript" src="qweb2.js"></script>
 
     <script>
@@ -14,7 +13,7 @@
             return s.replace(/(^\s+|\s+$)/g, '');
         }
         function render(template, context) {
-            return trim(QWeb.render(template, context));
+            return trim(QWeb.render(template, context)).toLowerCase();
         }
         $(document).ready(function() {
             module("Basic output tests", {
@@ -209,9 +208,9 @@
             test('Basic foreach repetition', function () {
                 equals(QWeb.render('repetition-text-content', {seq:seq}), '*****',
                     "Repetition of text content via foreach");
-                equals(QWeb.render('repetition-dom-content', {seq:seq}), '<b/><b/><b/><b/><b/>',
+                equals(QWeb.render('repetition-dom-content', {seq:seq}).toLowerCase(), '<b/><b/><b/><b/><b/>',
                     "Repetition of node content via foreach");
-                equals(QWeb.render('repetition-self', {seq:seq}), '<b/><b/><b/><b/><b/>',
+                equals(QWeb.render('repetition-self', {seq:seq}).toLowerCase(), '<b/><b/><b/><b/><b/>',
                     "A node with a foreach repeats itself");
             });
             test("Foreach scope content", function () {
@@ -249,9 +248,9 @@
             });
 
             test("jQuery extend", function () {
-                equals(render('jquery-extend', {}), '<hr/><ul class="main"><li>1</li><li>2</li><li>3</li></ul><footer><b>END</b></footer>',
+                equals(render('jquery-extend', {}), '<hr/><ul class="main"><li>1</li><li>2</li><li>3</li></ul><footer><b>[[end]]</b></footer>',
                         "Extend template with jQuery");
-                equals(render('jquery-extend-clone', {}), '<ul><li>one</li><li>CLONED TEMPLATE</li></ul>',
+                equals(render('jquery-extend-clone', {}), '<ul><li>one</li><li>[[cloned template]]</li></ul>',
                         "Clone template");
             });
         });
diff --git a/addons/web/static/lib/qweb/qweb2.js b/addons/web/static/lib/qweb/qweb2.js
index 8657a8b20be..089b1812aa5 100644
--- a/addons/web/static/lib/qweb/qweb2.js
+++ b/addons/web/static/lib/qweb/qweb2.js
@@ -93,10 +93,16 @@ var QWeb2 = {
                 }
                 return r.join('');
             } else {
-                if (node.xml !== undefined) {
-                    return node.xml;
-                } else {
+                if (typeof XMLSerializer !== 'undefined') {
                     return (new XMLSerializer()).serializeToString(node);
+                } else {
+                    switch(node.nodeType) {
+                    case 1: return node.outerHTML;
+                    case 3: return node.data;
+                    case 4: return '<![CDATA[' + node.data + ']]>';
+                    case 8: return '<!-- ' + node.data + '-->';
+                    }
+                    throw new Error('Unknown node type ' + node.nodeType);
                 }
             }
         },
@@ -265,11 +271,16 @@ QWeb2.Engine = (function() {
                     }
                     req.open('GET', s, false);
                     req.send(null);
-                    if (req.responseXML) {
-                        if (req.responseXML.documentElement.nodeName == "parsererror") {
-                            return this.tools.exception(req.responseXML.documentElement.childNodes[0].nodeValue);
+                    var xDoc = req.responseXML;
+                    if (xDoc) {
+                        if (xDoc.documentElement.nodeName == "parsererror") {
+                            return this.tools.exception(xDoc.documentElement.childNodes[0].nodeValue);
                         }
-                        return req.responseXML;
+                        if (xDoc.xml !== undefined) {
+                            // MSIE
+                            return this.convert_xml_to_html(xDoc.documentElement);
+                        }
+                        return xDoc;
                     } else {
                         return this.load_xml_string(req.responseText);
                     }
@@ -295,7 +306,25 @@ QWeb2.Engine = (function() {
             xDoc.async = false;
             xDoc.preserveWhiteSpace = true;
             xDoc.loadXML(s);
-            return xDoc;
+            return this.convert_xml_to_html(xDoc.documentElement);
+        },
+        convert_xml_to_html: function (node) {
+            switch (node.nodeType) {
+            case 3:
+            case 4:
+                return document.createTextNode(node.data);
+            case 8: return document.createComment(node.data);
+            }
+
+            var hnode = document.createElement(node.nodeName);
+            for(var i=0, alen=node.attributes.length; i < alen; ++i) {
+                var attr = node.attributes[i];
+                hnode.setAttribute(attr.name, attr.value);
+            }
+            for(var j=0, clen=node.childNodes.length; j < clen; ++j) {
+                hnode.appendChild(this.convert_xml_to_html(node.childNodes[j]));
+            }
+            return hnode;
         },
         has_template : function(template) {
             return !!this.templates[template];
@@ -373,12 +402,7 @@ QWeb2.Engine = (function() {
             if (!this.jQuery) {
                 return this.tools.exception("Can't extend template " + template + " without jQuery");
             }
-            var template_dest = this.templates[template],
-                msie_trololo = false;
-            if (template_dest.xml !== undefined) {
-                template_dest = this.jQuery(template_dest.xml);
-                msie_trololo = true;
-            }
+            var template_dest = this.templates[template];
             for (var i = 0, ilen = extend_node.childNodes.length; i < ilen; i++) {
                 var child = extend_node.childNodes[i];
                 if (child.nodeType === 1) {
@@ -421,9 +445,6 @@ QWeb2.Engine = (function() {
                     }
                 }
             }
-            if (msie_trololo) {
-                this.templates[template] = template_dest[0];
-            }
         }
     });
     return Engine;
diff --git a/addons/web/static/lib/underscore/underscore.string.js b/addons/web/static/lib/underscore/underscore.string.js
index 99966c3f475..d0b6ff1ffb3 100644
--- a/addons/web/static/lib/underscore/underscore.string.js
+++ b/addons/web/static/lib/underscore/underscore.string.js
@@ -73,7 +73,7 @@
             arg = argv[cursor];
             for (k = 0; k < match[2].length; k++) {
               if (!arg.hasOwnProperty(match[2][k])) {
-                throw(sprintf('[_.sprintf] property "%s" does not exist', match[2][k]));
+                throw new Error(sprintf('[_.sprintf] property "%s" does not exist', match[2][k]));
               }
               arg = arg[match[2][k]];
             }
@@ -85,7 +85,7 @@
           }
 
           if (/[^s]/.test(match[8]) && (get_type(arg) != 'number')) {
-            throw(sprintf('[_.sprintf] expecting number but found %s', get_type(arg)));
+            throw new Error(sprintf('[_.sprintf] expecting number but found %s', get_type(arg)));
           }
           switch (match[8]) {
             case 'b': arg = arg.toString(2); break;
@@ -134,12 +134,12 @@
                   field_list.push(field_match[1]);
                 }
                 else {
-                  throw('[_.sprintf] huh?');
+                  throw new Error('[_.sprintf] huh?');
                 }
               }
             }
             else {
-              throw('[_.sprintf] huh?');
+              throw new Error('[_.sprintf] huh?');
             }
             match[2] = field_list;
           }
@@ -147,12 +147,12 @@
             arg_names |= 2;
           }
           if (arg_names === 3) {
-            throw('[_.sprintf] mixing positional and named placeholders is not (yet) supported');
+            throw new Error('[_.sprintf] mixing positional and named placeholders is not (yet) supported');
           }
           parse_tree.push(match);
         }
         else {
-          throw('[_.sprintf] huh?');
+          throw new Error('[_.sprintf] huh?');
         }
         _fmt = _fmt.substring(match[0].length);
       }
diff --git a/addons/web/static/src/js/chrome.js b/addons/web/static/src/js/chrome.js
index 06fcf518002..b4e52be6951 100644
--- a/addons/web/static/src/js/chrome.js
+++ b/addons/web/static/src/js/chrome.js
@@ -5,9 +5,8 @@ openerp.web.chrome = function(openerp) {
 var QWeb = openerp.web.qweb,
     _t = openerp.web._t;
 
-openerp.web.Notification =  openerp.web.Widget.extend(/** @lends openerp.web.Notification# */{
+openerp.web.Notification =  openerp.web.OldWidget.extend(/** @lends openerp.web.Notification# */{
     template: 'Notification',
-    identifier_prefix: 'notification-',
 
     init: function() {
         this._super.apply(this, arguments);
@@ -36,9 +35,8 @@ openerp.web.Notification =  openerp.web.Widget.extend(/** @lends openerp.web.Not
 
 });
 
-openerp.web.Dialog = openerp.web.Widget.extend(/** @lends openerp.web.Dialog# */{
+openerp.web.Dialog = openerp.web.OldWidget.extend(/** @lends openerp.web.Dialog# */{
     dialog_title: "",
-    identifier_prefix: 'dialog',
     /**
      * @constructs openerp.web.Dialog
      * @extends openerp.web.OldWidget
@@ -208,11 +206,11 @@ openerp.web.CrashManager = openerp.web.CallbackEnabled.extend({
     }
 });
 
-openerp.web.Loading = openerp.web.Widget.extend(/** @lends openerp.web.Loading# */{
+openerp.web.Loading = openerp.web.OldWidget.extend(/** @lends openerp.web.Loading# */{
     template: 'Loading',
     /**
      * @constructs openerp.web.Loading
-     * @extends openerp.web.Widget
+     * @extends openerp.web.OldWidget
      *
      * @param parent
      * @param element_id
@@ -267,11 +265,11 @@ openerp.web.Loading = openerp.web.Widget.extend(/** @lends openerp.web.Loading#
     }
 });
 
-openerp.web.Database = openerp.web.Widget.extend(/** @lends openerp.web.Database# */{
+openerp.web.Database = openerp.web.OldWidget.extend(/** @lends openerp.web.Database# */{
     template: "DatabaseManager",
     /**
      * @constructs openerp.web.Database
-     * @extends openerp.web.Widget
+     * @extends openerp.web.OldWidget
      *
      * @param parent
      * @param element_id
@@ -551,14 +549,13 @@ openerp.web.Database = openerp.web.Widget.extend(/** @lends openerp.web.Database
     }
 });
 
-openerp.web.Login =  openerp.web.Widget.extend(/** @lends openerp.web.Login# */{
+openerp.web.Login =  openerp.web.OldWidget.extend(/** @lends openerp.web.Login# */{
     remember_credentials: true,
     
     template: "Login",
-    identifier_prefix: 'oe-app-login-',
     /**
      * @constructs openerp.web.Login
-     * @extends openerp.web.Widget
+     * @extends openerp.web.OldWidget
      *
      * @param parent
      * @param element_id
@@ -649,12 +646,11 @@ openerp.web.Login =  openerp.web.Widget.extend(/** @lends openerp.web.Login# */{
     }
 });
 
-openerp.web.Header =  openerp.web.Widget.extend(/** @lends openerp.web.Header# */{
+openerp.web.Header =  openerp.web.OldWidget.extend(/** @lends openerp.web.Header# */{
     template: "Header",
-    identifier_prefix: 'oe-app-header-',
     /**
      * @constructs openerp.web.Header
-     * @extends openerp.web.Widget
+     * @extends openerp.web.OldWidget
      *
      * @param parent
      */
@@ -830,10 +826,10 @@ openerp.web.Header =  openerp.web.Widget.extend(/** @lends openerp.web.Header# *
     }
 });
 
-openerp.web.Menu =  openerp.web.Widget.extend(/** @lends openerp.web.Menu# */{
+openerp.web.Menu =  openerp.web.OldWidget.extend(/** @lends openerp.web.Menu# */{
     /**
      * @constructs openerp.web.Menu
-     * @extends openerp.web.Widget
+     * @extends openerp.web.OldWidget
      *
      * @param parent
      * @param element_id
@@ -1045,10 +1041,10 @@ openerp.web.Menu =  openerp.web.Widget.extend(/** @lends openerp.web.Menu# */{
     }
 });
 
-openerp.web.WebClient = openerp.web.Widget.extend(/** @lends openerp.web.WebClient */{
+openerp.web.WebClient = openerp.web.OldWidget.extend(/** @lends openerp.web.WebClient */{
     /**
      * @constructs openerp.web.WebClient
-     * @extends openerp.web.Widget
+     * @extends openerp.web.OldWidget
      *
      * @param element_id
      */
@@ -1061,6 +1057,7 @@ openerp.web.WebClient = openerp.web.Widget.extend(/** @lends openerp.web.WebClie
     },
     start: function() {
         var self = this;
+        this.$element = $(document.body);
         if (jQuery.param != undefined && jQuery.deparam(jQuery.param.querystring()).kitten != undefined) {
             this.$element.addClass("kitten-mode-activated");
             this.$element.delegate('img.oe-record-edit-link-img', 'hover', function(e) {
@@ -1182,7 +1179,7 @@ openerp.web.WebClient = openerp.web.Widget.extend(/** @lends openerp.web.WebClie
     }
 });
 
-openerp.web.EmbeddedClient = openerp.web.Widget.extend({
+openerp.web.EmbeddedClient = openerp.web.OldWidget.extend({
     template: 'EmptyComponent',
     init: function(action_id, options) {
         this._super();
diff --git a/addons/web/static/src/js/core.js b/addons/web/static/src/js/core.js
index 43bd8a0abf7..f7ef2c48243 100644
--- a/addons/web/static/src/js/core.js
+++ b/addons/web/static/src/js/core.js
@@ -892,8 +892,6 @@ openerp.web.Connection = openerp.web.CallbackEnabled.extend( /** @lends openerp.
  * MyWidget = openerp.base.Widget.extend({
  *     // the name of the QWeb template to use for rendering
  *     template: "MyQWebTemplate",
- *     // identifier prefix, it is useful to put an obvious one for debugging
- *     identifier_prefix: 'my-id-prefix-',
  *
  *     init: function(parent) {
  *         this._super(parent);
@@ -932,13 +930,6 @@ openerp.web.Widget = openerp.web.CallbackEnabled.extend(/** @lends openerp.web.W
      * @type string
      */
     template: null,
-    /**
-     * The prefix used to generate an id automatically. Should be redefined in
-     * subclasses. If it is not defined, a generic identifier will be used.
-     *
-     * @type string
-     */
-    identifier_prefix: 'generic-identifier-',
     /**
      * Tag name when creating a default $element.
      * @type string
@@ -958,15 +949,9 @@ openerp.web.Widget = openerp.web.CallbackEnabled.extend(/** @lends openerp.web.W
      * with the DOM insertion methods provided by the current implementation of Widget. So
      * for new components this argument should not be provided any more.
      */
-    init: function(parent, /** @deprecated */ element_id) {
+    init: function(parent) {
         this._super();
         this.session = openerp.connection;
-        // if given an element_id, try to get the associated DOM element and save
-        // a reference in this.$element. Else just generate a unique identifier.
-        this.element_id = element_id;
-        this.element_id = this.element_id || _.uniqueId(this.identifier_prefix);
-        var tmp = document.getElementById(this.element_id);
-        this.$element = tmp ? $(tmp) : $(document.createElement(this.tag_name));
 
         this.widget_parent = parent;
         this.widget_children = [];
@@ -1128,17 +1113,14 @@ openerp.web.Widget = openerp.web.CallbackEnabled.extend(/** @lends openerp.web.W
     }
 });
 
-/**
- * @class
- * @extends openerp.web.Widget
- * @deprecated
- * For retro compatibility only, the only difference with is that render() uses
- * directly ``this`` instead of context with a ``widget`` key.
- */
-openerp.web.OldWidget = openerp.web.Widget.extend(/** @lends openerp.web.OldWidget# */{
-    render: function (additional) {
-        return openerp.web.qweb.render(this.template, _.extend(_.extend({}, this), additional || {}));
-    }
+openerp.web.OldWidget = openerp.web.Widget.extend({
+    init: function(parent, /** @deprecated */ element_id) {
+        this._super(parent);
+        this.element_id = element_id;
+        this.element_id = this.element_id || _.uniqueId('widget-');
+        var tmp = document.getElementById(this.element_id);
+        this.$element = tmp ? $(tmp) : $(document.createElement(this.tag_name));
+    },
 });
 
 openerp.web.TranslationDataBase = openerp.web.Class.extend(/** @lends openerp.web.TranslationDataBase# */{
diff --git a/addons/web/static/src/js/data.js b/addons/web/static/src/js/data.js
index bb53fb2175a..0cf36fbf2f5 100644
--- a/addons/web/static/src/js/data.js
+++ b/addons/web/static/src/js/data.js
@@ -18,7 +18,7 @@ openerp.web.serialize_sort = function (criterion) {
         }).join(', ');
 };
 
-openerp.web.DataGroup =  openerp.web.Widget.extend( /** @lends openerp.web.DataGroup# */{
+openerp.web.DataGroup =  openerp.web.OldWidget.extend( /** @lends openerp.web.DataGroup# */{
     /**
      * Management interface between views and grouped collections of OpenERP
      * records.
@@ -30,9 +30,9 @@ openerp.web.DataGroup =  openerp.web.Widget.extend( /** @lends openerp.web.DataG
      * content of the current grouping level.
      *
      * @constructs openerp.web.DataGroup
-     * @extends openerp.web.Widget
+     * @extends openerp.web.OldWidget
      *
-     * @param {openerp.web.Widget} parent widget
+     * @param {openerp.web.OldWidget} parent widget
      * @param {String} model name of the model managed by this DataGroup
      * @param {Array} domain search domain for this DataGroup
      * @param {Object} context context of the DataGroup's searches
@@ -233,14 +233,13 @@ openerp.web.StaticDataGroup = openerp.web.GrouplessDataGroup.extend( /** @lends
     }
 });
 
-openerp.web.DataSet =  openerp.web.Widget.extend( /** @lends openerp.web.DataSet# */{
-    identifier_prefix: "dataset",
+openerp.web.DataSet =  openerp.web.OldWidget.extend( /** @lends openerp.web.DataSet# */{
     /**
      * DateaManagement interface between views and the collection of selected
      * OpenERP records (represents the view's state?)
      *
      * @constructs openerp.web.DataSet
-     * @extends openerp.web.Widget
+     * @extends openerp.web.OldWidget
      *
      * @param {String} model the OpenERP model this dataset will manage
      */
@@ -309,7 +308,7 @@ openerp.web.DataSet =  openerp.web.Widget.extend( /** @lends openerp.web.DataSet
      * domain and context.
      *
      * @param {Array} [fields] fields to read and return, by default all fields are returned
-     * @params {Object} options
+     * @params {Object} [options]
      * @param {Number} [options.offset=0] The index from which selected records should be returned
      * @param {Number} [options.limit=null] The maximum number of records to return
      * @returns {$.Deferred}
@@ -504,11 +503,11 @@ openerp.web.DataSetStatic =  openerp.web.DataSet.extend({
         this.ids = ids || [];
     },
     read_slice: function (fields, options) {
+        options = options || {};
+        fields = fields || {};
         // TODO remove fields from options
-        var self = this,
-            offset = options.offset || 0,
-            limit = options.limit || false,
-            fields = fields || false;
+        var offset = options.offset || 0,
+            limit = options.limit || false;
         var end_pos = limit && limit !== -1 ? offset + limit : this.ids.length;
         return this.read_ids(this.ids.slice(offset, end_pos), fields);
     },
@@ -560,8 +559,8 @@ openerp.web.DataSetSearch =  openerp.web.DataSet.extend(/** @lends openerp.web.D
      * @returns {$.Deferred}
      */
     read_slice: function (fields, options) {
+        options = options || {};
         var self = this;
-        var options = options || {};
         var offset = options.offset || 0;
         return this.rpc('/web/dataset/search_read', {
             model: this.model,
diff --git a/addons/web/static/src/js/search.js b/addons/web/static/src/js/search.js
index cf16843aed7..564dd09ae4a 100644
--- a/addons/web/static/src/js/search.js
+++ b/addons/web/static/src/js/search.js
@@ -3,11 +3,11 @@ var QWeb = openerp.web.qweb,
       _t =  openerp.web._t,
      _lt = openerp.web._lt;
 
-openerp.web.SearchView = openerp.web.Widget.extend(/** @lends openerp.web.SearchView# */{
+openerp.web.SearchView = openerp.web.OldWidget.extend(/** @lends openerp.web.SearchView# */{
     template: "EmptyComponent",
     /**
      * @constructs openerp.web.SearchView
-     * @extends openerp.web.Widget
+     * @extends openerp.web.OldWidget
      *
      * @param parent
      * @param element_id
@@ -499,13 +499,13 @@ openerp.web.search.Invalid = openerp.web.Class.extend( /** @lends openerp.web.se
         );
     }
 });
-openerp.web.search.Widget = openerp.web.Widget.extend( /** @lends openerp.web.search.Widget# */{
+openerp.web.search.Widget = openerp.web.OldWidget.extend( /** @lends openerp.web.search.Widget# */{
     template: null,
     /**
      * Root class of all search widgets
      *
      * @constructs openerp.web.search.Widget
-     * @extends openerp.web.Widget
+     * @extends openerp.web.OldWidget
      *
      * @param view the ancestor view of this widget
      */
@@ -1038,9 +1038,8 @@ openerp.web.search.ManyToOneField = openerp.web.search.CharField.extend({
     }
 });
 
-openerp.web.search.ExtendedSearch = openerp.web.OldWidget.extend({
+openerp.web.search.ExtendedSearch = openerp.web.search.Widget.extend({
     template: 'SearchView.extended_search',
-    identifier_prefix: 'extended-search',
     init: function (parent, model) {
         this._super(parent);
         this.model = model;
@@ -1051,7 +1050,7 @@ openerp.web.search.ExtendedSearch = openerp.web.OldWidget.extend({
         this.check_last_element();
     },
     start: function () {
-        this.$element = $("#" + this.element_id);
+        this._super();
         this.$element.closest("table.oe-searchview-render-line").css("display", "none");
         var self = this;
         this.rpc("/web/searchview/fields_get",
@@ -1107,7 +1106,6 @@ openerp.web.search.ExtendedSearch = openerp.web.OldWidget.extend({
 
 openerp.web.search.ExtendedSearchGroup = openerp.web.OldWidget.extend({
     template: 'SearchView.extended_search.group',
-    identifier_prefix: 'extended-search-group',
     init: function (parent, fields) {
         this._super(parent);
         this.fields = fields;
@@ -1119,7 +1117,6 @@ openerp.web.search.ExtendedSearchGroup = openerp.web.OldWidget.extend({
         prop.start();
     },
     start: function () {
-        this.$element = $("#" + this.element_id);
         var _this = this;
         this.add_prop();
         this.$element.find('.searchview_extended_add_proposition').click(function () {
@@ -1153,7 +1150,6 @@ openerp.web.search.ExtendedSearchGroup = openerp.web.OldWidget.extend({
 
 openerp.web.search.ExtendedSearchProposition = openerp.web.OldWidget.extend(/** @lends openerp.web.search.ExtendedSearchProposition# */{
     template: 'SearchView.extended_search.proposition',
-    identifier_prefix: 'extended-search-proposition',
     /**
      * @constructs openerp.web.search.ExtendedSearchProposition
      * @extends openerp.web.OldWidget
@@ -1254,7 +1250,6 @@ openerp.web.search.ExtendedSearchProposition.Field = openerp.web.OldWidget.exten
 });
 openerp.web.search.ExtendedSearchProposition.Char = openerp.web.search.ExtendedSearchProposition.Field.extend({
     template: 'SearchView.extended_search.proposition.char',
-    identifier_prefix: 'extended-search-proposition-char',
     operators: [
         {value: "ilike", text: _lt("contains")},
         {value: "not ilike", text: _lt("doesn't contain")},
@@ -1271,7 +1266,6 @@ openerp.web.search.ExtendedSearchProposition.Char = openerp.web.search.ExtendedS
 });
 openerp.web.search.ExtendedSearchProposition.DateTime = openerp.web.search.ExtendedSearchProposition.Field.extend({
     template: 'SearchView.extended_search.proposition.empty',
-    identifier_prefix: 'extended-search-proposition-datetime',
     operators: [
         {value: "=", text: _lt("is equal to")},
         {value: "!=", text: _lt("is not equal to")},
@@ -1291,7 +1285,6 @@ openerp.web.search.ExtendedSearchProposition.DateTime = openerp.web.search.Exten
 });
 openerp.web.search.ExtendedSearchProposition.Date = openerp.web.search.ExtendedSearchProposition.Field.extend({
     template: 'SearchView.extended_search.proposition.empty',
-    identifier_prefix: 'extended-search-proposition-date',
     operators: [
         {value: "=", text: _lt("is equal to")},
         {value: "!=", text: _lt("is not equal to")},
@@ -1311,7 +1304,6 @@ openerp.web.search.ExtendedSearchProposition.Date = openerp.web.search.ExtendedS
 });
 openerp.web.search.ExtendedSearchProposition.Integer = openerp.web.search.ExtendedSearchProposition.Field.extend({
     template: 'SearchView.extended_search.proposition.integer',
-    identifier_prefix: 'extended-search-proposition-integer',
     operators: [
         {value: "=", text: _lt("is equal to")},
         {value: "!=", text: _lt("is not equal to")},
@@ -1333,7 +1325,6 @@ openerp.web.search.ExtendedSearchProposition.Id = openerp.web.search.ExtendedSea
 });
 openerp.web.search.ExtendedSearchProposition.Float = openerp.web.search.ExtendedSearchProposition.Field.extend({
     template: 'SearchView.extended_search.proposition.float',
-    identifier_prefix: 'extended-search-proposition-float',
     operators: [
         {value: "=", text: _lt("is equal to")},
         {value: "!=", text: _lt("is not equal to")},
@@ -1352,7 +1343,6 @@ openerp.web.search.ExtendedSearchProposition.Float = openerp.web.search.Extended
 });
 openerp.web.search.ExtendedSearchProposition.Selection = openerp.web.search.ExtendedSearchProposition.Field.extend({
     template: 'SearchView.extended_search.proposition.selection',
-    identifier_prefix: 'extended-search-proposition-selection',
     operators: [
         {value: "=", text: _lt("is")},
         {value: "!=", text: _lt("is not")}
@@ -1366,7 +1356,6 @@ openerp.web.search.ExtendedSearchProposition.Selection = openerp.web.search.Exte
 });
 openerp.web.search.ExtendedSearchProposition.Boolean = openerp.web.search.ExtendedSearchProposition.Field.extend({
     template: 'SearchView.extended_search.proposition.boolean',
-    identifier_prefix: 'extended-search-proposition-boolean',
     operators: [
         {value: "=", text: _lt("is true")},
         {value: "!=", text: _lt("is false")}
diff --git a/addons/web/static/src/js/view_editor.js b/addons/web/static/src/js/view_editor.js
index 6e58886fadd..f506d63a677 100644
--- a/addons/web/static/src/js/view_editor.js
+++ b/addons/web/static/src/js/view_editor.js
@@ -1,7 +1,7 @@
 openerp.web.view_editor = function(openerp) {
 var _t = openerp.web._t;
 var QWeb = openerp.web.qweb;
-openerp.web.ViewEditor =   openerp.web.Widget.extend({
+openerp.web.ViewEditor =   openerp.web.OldWidget.extend({
     init: function(parent, element_id, dataset, view, options) {
         this._super(parent);
         this.element_id = element_id
@@ -806,7 +806,7 @@ openerp.web.ViewEditor =   openerp.web.Widget.extend({
             'widget' : {'name':'widget', 'string': 'widget', 'type': 'selection'},
             'colors' : {'name':'colors', 'string': 'Colors', 'type': 'char'},
             'editable' : {'name':'editable', 'string': 'Editable', 'type': 'selection', 'selection': [["",""],["top","Top"],["bottom", "Bottom"]]},
-            'groups' : {'name':'groups', 'string': 'Groups', 'type': 'seleciton_multi'}
+            'groups' : {'name':'groups', 'string': 'Groups', 'type': 'selection_multi'}
         };
         var arch_val = self.get_object_by_id(this.one_object.clicked_tr_id,this.one_object['main_object'], []);
         this.edit_node_dialog.$element.append('<table id="rec_table"  style="width:400px" class="oe_forms"></table>');
@@ -1131,7 +1131,7 @@ var _ICONS = ['','STOCK_ABOUT', 'STOCK_ADD', 'STOCK_APPLY', 'STOCK_BOLD',
 ];
 openerp.web.ViewEditor.property_widget = new openerp.web.Registry({
     'boolean' : 'openerp.web.ViewEditor.FieldBoolean',
-    'seleciton_multi' : 'openerp.web.ViewEditor.FieldSelectMulti',
+    'selection_multi' : 'openerp.web.ViewEditor.FieldSelectMulti',
     'selection' : 'openerp.web.ViewEditor.FieldSelect',
     'char' : 'openerp.web.ViewEditor.FieldChar',
     'float' : 'openerp.web.ViewEditor.FieldFloat'
diff --git a/addons/web/static/src/js/view_form.js b/addons/web/static/src/js/view_form.js
index 2172ae103b8..743a1ecdf4e 100644
--- a/addons/web/static/src/js/view_form.js
+++ b/addons/web/static/src/js/view_form.js
@@ -13,7 +13,6 @@ openerp.web.FormView = openerp.web.View.extend( /** @lends openerp.web.FormView#
     searchable: false,
     readonly : false,
     form_template: "FormView",
-    identifier_prefix: 'formview-',
     display_name: _lt('Form'),
     /**
      * @constructs openerp.web.FormView
@@ -386,11 +385,11 @@ openerp.web.FormView = openerp.web.View.extend( /** @lends openerp.web.FormView#
     on_button_save: function() {
         var self = this;
         return this.do_save().then(function(result) {
-            self.do_prev_view(result.created);
+            self.do_prev_view({'created': result.created, 'default': 'page'});
         });
     },
     on_button_cancel: function() {
-        return this.do_prev_view();
+        return this.do_prev_view({'default': 'page'});
     },
     on_button_new: function() {
         var self = this;
@@ -620,7 +619,7 @@ openerp.web.FormDialog = openerp.web.Dialog.extend({
 /** @namespace */
 openerp.web.form = {};
 
-openerp.web.form.SidebarAttachments = openerp.web.Widget.extend({
+openerp.web.form.SidebarAttachments = openerp.web.OldWidget.extend({
     init: function(parent, form_view) {
         var $section = parent.add_section(_t('Attachments'), 'attachments');
         this.$div = $('<div class="oe-sidebar-attachments"></div>');
@@ -737,12 +736,11 @@ openerp.web.form.compute_domain = function(expr, fields) {
     return _.all(stack, _.identity);
 };
 
-openerp.web.form.Widget = openerp.web.Widget.extend(/** @lends openerp.web.form.Widget# */{
+openerp.web.form.Widget = openerp.web.OldWidget.extend(/** @lends openerp.web.form.Widget# */{
     template: 'Widget',
-    identifier_prefix: 'formview-widget-',
     /**
      * @constructs openerp.web.form.Widget
-     * @extends openerp.web.Widget
+     * @extends openerp.web.OldWidget
      *
      * @param view
      * @param node
@@ -1388,7 +1386,7 @@ openerp.web.form.FieldFloat = openerp.web.form.FieldChar.extend({
     }
 });
 
-openerp.web.DateTimeWidget = openerp.web.Widget.extend({
+openerp.web.DateTimeWidget = openerp.web.OldWidget.extend({
     template: "web.datetimepicker",
     jqueryui_object: 'datetimepicker',
     type_of_date: "datetime",
@@ -2593,7 +2591,6 @@ openerp.web.form.Many2ManyListView = openerp.web.ListView.extend(/** @lends open
  * @extends openerp.web.OldWidget
  */
 openerp.web.form.SelectCreatePopup = openerp.web.OldWidget.extend(/** @lends openerp.web.form.SelectCreatePopup# */{
-    identifier_prefix: "selectcreatepopup",
     template: "SelectCreatePopup",
     /**
      * options:
@@ -2811,7 +2808,6 @@ openerp.web.form.SelectCreateListView = openerp.web.ListView.extend({
  * @extends openerp.web.OldWidget
  */
 openerp.web.form.FormOpenPopup = openerp.web.OldWidget.extend(/** @lends openerp.web.form.FormOpenPopup# */{
-    identifier_prefix: "formopenpopup",
     template: "FormOpenPopup",
     /**
      * options:
@@ -2917,6 +2913,7 @@ openerp.web.form.FieldReference = openerp.web.form.Field.extend({
             }
         };
         this.get_fields_values = view.get_fields_values;
+        this.get_selected_ids = view.get_selected_ids;
         this.do_onchange = this.on_form_changed = this.on_nop;
         this.dataset = this.view.dataset;
         this.widgets_counter = 0;
diff --git a/addons/web/static/src/js/view_help.js b/addons/web/static/src/js/view_help.js
index f7e5f7c259e..6f590c359d1 100644
--- a/addons/web/static/src/js/view_help.js
+++ b/addons/web/static/src/js/view_help.js
@@ -4,10 +4,10 @@
 
 openerp.web.view_help = function(openerp) {
 
-openerp.web.ProcessView = openerp.web.Widget.extend({
+openerp.web.ProcessView = openerp.web.OldWidget.extend({
 });
 
-openerp.web.HelpView = openerp.web.Widget.extend({
+openerp.web.HelpView = openerp.web.OldWidget.extend({
 });
 
 };
diff --git a/addons/web/static/src/js/view_list_editable.js b/addons/web/static/src/js/view_list_editable.js
index a26626d8630..4f6a1531c7a 100644
--- a/addons/web/static/src/js/view_list_editable.js
+++ b/addons/web/static/src/js/view_list_editable.js
@@ -212,7 +212,8 @@ openerp.web.list_editable = function (openerp) {
                         e.stopImmediatePropagation();
                     })
                     .keyup(function () {
-                        return self.on_row_keyup.apply(self, arguments); });
+                        return self.on_row_keyup.apply(self, arguments); })
+                    .keydown(function (e) { e.stopPropagation(); });
                 if (row) {
                     $new_row.replaceAll(row);
                 } else if (self.options.editable) {
diff --git a/addons/web/static/src/js/view_page.js b/addons/web/static/src/js/view_page.js
index 31190d70f85..7057a454bca 100644
--- a/addons/web/static/src/js/view_page.js
+++ b/addons/web/static/src/js/view_page.js
@@ -198,7 +198,14 @@ openerp.web.page = function (openerp) {
             if (!this.value) {
                 return null;
             }
-            return _.str.sprintf('%s,%d', this.field.relation, this.value[0]);
+            var id;
+            if (typeof this.value === 'number') {
+                // name_get has not run yet
+                id = this.value;
+            } else {
+                id = this.value[0];
+            }
+            return _.str.sprintf('%s,%d', this.field.relation, id);
         }
     });
 
diff --git a/addons/web/static/src/js/views.js b/addons/web/static/src/js/views.js
index 5d8c7498376..2bb931092e4 100644
--- a/addons/web/static/src/js/views.js
+++ b/addons/web/static/src/js/views.js
@@ -16,8 +16,7 @@ session.web.client_actions = new session.web.Registry();
  */
 session.web.views = new session.web.Registry();
 
-session.web.ActionManager = session.web.Widget.extend({
-    identifier_prefix: "actionmanager",
+session.web.ActionManager = session.web.OldWidget.extend({
     init: function(parent) {
         this._super(parent);
         this.inner_action = null;
@@ -208,12 +207,11 @@ session.web.ActionManager = session.web.Widget.extend({
     }
 });
 
-session.web.ViewManager =  session.web.Widget.extend(/** @lends session.web.ViewManager# */{
-    identifier_prefix: "viewmanager",
+session.web.ViewManager =  session.web.OldWidget.extend(/** @lends session.web.ViewManager# */{
     template: "ViewManager",
     /**
      * @constructs session.web.ViewManager
-     * @extends session.web.Widget
+     * @extends session.web.OldWidget
      *
      * @param parent
      * @param dataset
@@ -354,17 +352,19 @@ session.web.ViewManager =  session.web.Widget.extend(/** @lends session.web.View
      * navigation history (the navigation history is appended to via
      * on_mode_switch)
      *
-     * @param {Boolean} [created=false] returning from a creation
+     * @param {Object} [options]
+     * @param {Boolean} [options.created=false] resource was created
+     * @param {String} [options.default=null] view to switch to if no previous view
      * @returns {$.Deferred} switching end signal
      */
-    on_prev_view: function (created) {
+    on_prev_view: function (options) {
         var current_view = this.views_history.pop();
-        var previous_view = this.views_history[this.views_history.length - 1];
-        if (created && current_view === 'form' && previous_view === 'list') {
+        var previous_view = this.views_history[this.views_history.length - 1] || options['default'];
+        if (options.created && current_view === 'form' && previous_view === 'list') {
             // APR special case: "If creation mode from list (and only from a list),
             // after saving, go to page view (don't come back in list)"
             return this.on_mode_switch('page');
-        } else if (created && !previous_view && this.action && this.action.flags.default_view === 'form') {
+        } else if (options.created && !previous_view && this.action && this.action.flags.default_view === 'form') {
             // APR special case: "If creation from dashboard, we have no previous view
             return this.on_mode_switch('page');
         }
@@ -763,7 +763,7 @@ session.web.ViewManagerAction = session.web.ViewManager.extend(/** @lends oepner
     }
 });
 
-session.web.Sidebar = session.web.Widget.extend({
+session.web.Sidebar = session.web.OldWidget.extend({
     init: function(parent, element_id) {
         this._super(parent, element_id);
         this.items = {};
@@ -1040,7 +1040,7 @@ session.web.TranslateDialog = session.web.Dialog.extend({
     }
 });
 
-session.web.View = session.web.Widget.extend(/** @lends session.web.View# */{
+session.web.View = session.web.OldWidget.extend(/** @lends session.web.View# */{
     template: "EmptyComponent",
     // name displayed in view switchers
     display_name: '',
@@ -1170,8 +1170,12 @@ session.web.View = session.web.Widget.extend(/** @lends session.web.View# */{
     },
     /**
      * Cancels the switch to the current view, switches to the previous one
+     *
+     * @param {Object} [options]
+     * @param {Boolean} [options.created=false] resource was created
+     * @param {String} [options.default=null] view to switch to if no previous view
      */
-    do_prev_view: function () { 
+    do_prev_view: function (options) {
     },
     do_search: function(view) {
     },
@@ -1212,7 +1216,7 @@ session.web.View = session.web.Widget.extend(/** @lends session.web.View# */{
 
 session.web.json_node_to_xml = function(node, human_readable, indent) {
     // For debugging purpose, this function will convert a json node back to xml
-    // Maybe usefull for xml view editor
+    // Maybe useful for xml view editor
     indent = indent || 0;
     var sindent = (human_readable ? (new Array(indent + 1).join('\t')) : ''),
         r = sindent + '<' + node.tag,
diff --git a/addons/web/static/src/xml/base.xml b/addons/web/static/src/xml/base.xml
index b119e5aae3c..230ad629d3a 100644
--- a/addons/web/static/src/xml/base.xml
+++ b/addons/web/static/src/xml/base.xml
@@ -682,7 +682,9 @@
         </td>
     </t>
     <th t-if="options.selectable" class="oe-record-selector" width="1">
-        <input t-att-type="options.radio? 'radio': 'checkbox'" name ="radiogroup" t-att-checked="options.select_view_id == record.get('id')? true: null"/>
+        <t t-set="checked" t-value="options.select_view_id == record.get('id') ? 'checked' : null"/>
+        <input t-if="options.radio" type="radio" name="radiogroup" t-att-checked="checked"/>
+        <input t-if="!options.radio" type="checkbox" name="radiogroup" t-att-checked="checked"/>
     </th>
     <th t-if="options.isClarkGable" class="oe-record-edit-link" width="1">
         <img src="/web/static/src/img/pencil.gif" width="12" height="12" class="oe-record-edit-link-img"/>
@@ -747,7 +749,7 @@
                 <input type="file" class="oe-binary-file" name="ufile" title="Add attachment"
                     t-att-onclick="view.datarecord.id ? null : 'alert(\'No record selected ! You can only attach to existing record.\'); return false;'"/>
             </form>
-            <iframe t-attf-id="#{element_id}_iframe" t-attf-name="#{element_id}_iframe" style="display: none"> </iframe>
+            <iframe t-attf-id="#{element_id}_iframe" t-attf-name="#{element_id}_iframe" style="display: none"/>
         </div>
     </div>
     <br style="clear: both"/>
@@ -1084,7 +1086,7 @@
                 <img t-att-src='_s + "/web/static/src/img/throbber.gif"' width="16" height="16"/>
                 <b>Uploading ...</b>
             </div>
-            <iframe t-att-id="widget.iframe" t-att-name="widget.iframe" style="display: none"> </iframe>
+            <iframe t-att-id="widget.iframe" t-att-name="widget.iframe" style="display: none"/>
         </td>
     </tr>
     </table>
@@ -1134,7 +1136,7 @@
         <td class="oe-binary-progress" style="display: none" nowrap="true">
             <img t-att-src='_s + "/web/static/src/img/throbber.gif"' width="16" height="16"/>
             <b>Uploading ...</b>
-            <iframe t-att-id="widget.iframe" t-att-name="widget.iframe" style="display: none"> </iframe>
+            <iframe t-att-id="widget.iframe" t-att-name="widget.iframe" style="display: none"/>
         </td>
     </tr>
     </table>
@@ -1329,7 +1331,7 @@
     </t>
 </t>
 <t t-name="SearchView.extended_search.group">
-    <div t-att-id="element_id" class="searchview_extended_group">
+    <div t-att-id="widget.element_id" class="searchview_extended_group">
         <select class="searchview_extended_group_choice">
             <option value="any">Any of the following conditions must match</option>
             <option value="all">All the following conditions must match</option>
@@ -1345,11 +1347,11 @@
     </div>
 </t>
 <t t-name="SearchView.extended_search.proposition">
-    <div t-att-id="element_id">
+    <div t-att-id="widget.element_id">
         <select class="searchview_extended_prop_field">
-            <t t-foreach="attrs.fields" t-as="field">
+            <t t-foreach="widget.attrs.fields" t-as="field">
                 <option t-if="typeof field.store === 'undefined' || field.store || field.fnct_search"
-                        t-att="{'selected': field === attrs.selected ? 'selected' : null}"
+                        t-att="{'selected': field === widget.attrs.selected ? 'selected' : null}"
                         t-att-value="field.name">
                     <t t-esc="field.string"/>
                 </option>
@@ -1362,41 +1364,41 @@
     </div>
 </t>
 <t t-name="SearchView.extended_search.proposition.char">
-    <input t-att-id="element_id" class="field_char"/>
+    <input t-att-id="widget.element_id" class="field_char"/>
 </t>
 <t t-name="SearchView.extended_search.proposition.empty">
-    <span t-att-id="element_id"></span>
+    <span t-att-id="widget.element_id"></span>
 </t>
 <t t-name="SearchView.extended_search.proposition.integer">
-    <input type="number" t-att-id="element_id" class="field_integer" step="1"/>
+    <input type="number" t-att-id="widget.element_id" class="field_integer" step="1"/>
 </t>
 <t t-name="SearchView.extended_search.proposition.float">
-    <input type="number" t-att-id="element_id" class="field_float" step="0.01"/>
+    <input type="number" t-att-id="widget.element_id" class="field_float" step="0.01"/>
 </t>
 <t t-name="SearchView.extended_search.proposition.boolean">
 </t>
 <t t-name="SearchView.extended_search.proposition.selection">
-    <select t-att-id="element_id">
-        <t t-foreach="field.selection" t-as="element">
+    <select t-att-id="widget.element_id">
+        <t t-foreach="widget.field.selection" t-as="element">
         <option t-att-value="element[0]"><t t-esc="element[1]"/></option>
         </t>
     </select>
 </t>
 <t t-name="SelectCreatePopup">
-    <div t-att-id="element_id">
+    <div t-att-id="widget.element_id">
         <table style="width:100%">
             <tr style="width:100%">
                 <td style="width:100%">
-                    <div t-att-id="element_id + '_search'" style="width:100%"></div>
+                    <div t-att-id="widget.element_id + '_search'" style="width:100%"></div>
                 </td>
             </tr>
             <tr style="width:100%">
                 <td style="width:100%">
-                    <div t-att-id="element_id + '_view_list'" style="width:100%"></div>
+                    <div t-att-id="widget.element_id + '_view_list'" style="width:100%"></div>
                 </td>
             </tr>
         </table>
-        <div t-att-id="element_id + '_view_form'" style="width:100%"></div>
+        <div t-att-id="widget.element_id + '_view_form'" style="width:100%"></div>
     </div>
 </t>
 <t t-name="SelectCreatePopup.search.buttons">
@@ -1414,8 +1416,8 @@
     <button type="button" class="oe_button oe_selectcreatepopup-form-close">Cancel</button>
 </t>
 <t t-name="FormOpenPopup">
-    <div t-att-id="element_id">
-        <div t-att-id="element_id + '_view_form'" style="width:100%"></div>
+    <div t-att-id="widget.element_id">
+        <div t-att-id="widget.element_id + '_view_form'" style="width:100%"></div>
     </div>
 </t>
 <t t-name="FormOpenPopup.form.buttons">
diff --git a/addons/web_calendar/static/src/js/calendar.js b/addons/web_calendar/static/src/js/calendar.js
index 9cc576d132d..bc7c5f0ba1d 100644
--- a/addons/web_calendar/static/src/js/calendar.js
+++ b/addons/web_calendar/static/src/js/calendar.js
@@ -461,7 +461,7 @@ openerp.web_calendar.CalendarFormDialog = openerp.web.Dialog.extend({
     }
 });
 
-openerp.web_calendar.SidebarResponsible = openerp.web.Widget.extend({
+openerp.web_calendar.SidebarResponsible = openerp.web.OldWidget.extend({
     init: function(parent, view) {
         var $section = parent.add_section(_t('Responsible'), 'responsible');
         this.$div = $('<div></div>');
@@ -499,7 +499,7 @@ openerp.web_calendar.SidebarResponsible = openerp.web.Widget.extend({
     }
 });
 
-openerp.web_calendar.SidebarNavigator = openerp.web.Widget.extend({
+openerp.web_calendar.SidebarNavigator = openerp.web.OldWidget.extend({
     init: function(parent, view) {
         var $section = parent.add_section(_t('Navigator'), 'navigator');
         this._super(parent, $section.attr('id'));
diff --git a/addons/web_dashboard/static/src/js/dashboard.js b/addons/web_dashboard/static/src/js/dashboard.js
index 567591b84bb..dc433f961a8 100644
--- a/addons/web_dashboard/static/src/js/dashboard.js
+++ b/addons/web_dashboard/static/src/js/dashboard.js
@@ -395,7 +395,7 @@ openerp.web_dashboard.Widget = openerp.web.View.extend(/** @lends openerp.web_da
  * install (if none is installed yet) or a list of root menu items
  */
 openerp.web.client_actions.add('default_home', 'session.web_dashboard.ApplicationTiles');
-openerp.web_dashboard.ApplicationTiles = openerp.web.Widget.extend({
+openerp.web_dashboard.ApplicationTiles = openerp.web.OldWidget.extend({
     template: 'web_dashboard.ApplicationTiles',
     init: function(parent) {
         this._super(parent);
@@ -440,7 +440,7 @@ openerp.web_dashboard.ApplicationTiles = openerp.web.Widget.extend({
  * This client action  display a list of applications to install.
  */
 openerp.web.client_actions.add( 'board.application.installer', 'openerp.web_dashboard.ApplicationInstaller');
-openerp.web_dashboard.ApplicationInstaller = openerp.web.Widget.extend({
+openerp.web_dashboard.ApplicationInstaller = openerp.web.OldWidget.extend({
     template: 'web_dashboard.ApplicationInstaller',
     start: function () {
         // TODO menu hide
diff --git a/addons/web_gantt/static/src/js/gantt.js b/addons/web_gantt/static/src/js/gantt.js
index 4592c6fd2bd..2ce07fa5882 100644
--- a/addons/web_gantt/static/src/js/gantt.js
+++ b/addons/web_gantt/static/src/js/gantt.js
@@ -179,6 +179,7 @@ openerp.web_gantt.GanttViewOld = openerp.web.View.extend({
         this.date_start = this.fields_view.arch.attrs.date_start,
         this.date_delay = this.fields_view.arch.attrs.date_delay,
         this.date_stop = this.fields_view.arch.attrs.date_stop,
+        this.progress = this.fields_view.arch.attrs.progress,
         this.day_length = this.fields_view.arch.attrs.day_length || 8;
 
         this.color_field = this.fields_view.arch.attrs.color,
@@ -288,6 +289,7 @@ openerp.web_gantt.GanttViewOld = openerp.web.View.extend({
             var id = res['id'];
             var text = res[this.text];
             var start_date = res[this.date_start];
+            var progress = res[this.progress] || 100;
 
             if (this.date_stop != undefined){
                 if (res[this.date_stop] != false){
@@ -323,7 +325,7 @@ openerp.web_gantt.GanttViewOld = openerp.web.View.extend({
                             var mod_id = i+ "_" +j;
                             parents[grp_key] = mod_id;
                             child_event[mod_id] = {};
-                            all_events[mod_id] = {'parent': "", 'evt':[mod_id , grp_key, start_date, start_date, 100, ""]};
+                            all_events[mod_id] = {'parent': "", 'evt':[mod_id , grp_key, start_date, start_date, progress, ""]};
                         }
                         else{
                             mod_id = parents[grp_key];
@@ -335,7 +337,7 @@ openerp.web_gantt.GanttViewOld = openerp.web.View.extend({
                             child_event[mod_id][grp_key] = ch_mod_id;
                             child_event[ch_mod_id] = {};
                             temp_id = ch_mod_id;
-                            all_events[ch_mod_id] = {'parent': mod_id, 'evt':[ch_mod_id , grp_key, start_date, start_date, 100, ""]};
+                            all_events[ch_mod_id] = {'parent': mod_id, 'evt':[ch_mod_id , grp_key, start_date, start_date, progress, ""]};
                             mod_id = ch_mod_id;
                         }
                         else{
@@ -344,15 +346,15 @@ openerp.web_gantt.GanttViewOld = openerp.web.View.extend({
                         }
                     }
                 }
-                all_events[id] = {'parent': temp_id, 'evt':[id , text, start_date, duration, 100, ""]};
+                all_events[id] = {'parent': temp_id, 'evt':[id , text, start_date, duration, progress, ""]};
                 final_events.push(id);
             }
             else {
                 if (i == 0) {
                     var mod_id = "_" + i;
-                    all_events[mod_id] = {'parent': "", 'evt': [mod_id, this.name, start_date, start_date, 100, ""]};
+                    all_events[mod_id] = {'parent': "", 'evt': [mod_id, this.name, start_date, start_date, progress, ""]};
                 }
-                all_events[id] = {'parent': mod_id, 'evt':[id , text, start_date, duration, 100, ""]};
+                all_events[id] = {'parent': mod_id, 'evt':[id , text, start_date, duration, progress, ""]};
                 final_events.push(id);
             }
         }
diff --git a/addons/web_kanban/static/src/js/kanban.js b/addons/web_kanban/static/src/js/kanban.js
index a4baa27d42f..46c6ce4eaf6 100644
--- a/addons/web_kanban/static/src/js/kanban.js
+++ b/addons/web_kanban/static/src/js/kanban.js
@@ -279,7 +279,7 @@ openerp.web_kanban.KanbanView = openerp.web.View.extend({
     }
 });
 
-openerp.web_kanban.KanbanGroup = openerp.web.Widget.extend({
+openerp.web_kanban.KanbanGroup = openerp.web.OldWidget.extend({
     template: 'KanbanView.group_header',
     init: function (parent, records, value, title, aggregates) {
         var self = this;
@@ -352,7 +352,7 @@ openerp.web_kanban.KanbanGroup = openerp.web.Widget.extend({
     }
 });
 
-openerp.web_kanban.KanbanRecord = openerp.web.Widget.extend({
+openerp.web_kanban.KanbanRecord = openerp.web.OldWidget.extend({
     template: 'KanbanView.record',
     init: function (parent, record) {
         this._super(parent);
diff --git a/addons/web_mobile/static/src/js/chrome_mobile.js b/addons/web_mobile/static/src/js/chrome_mobile.js
index a4e8f0acd44..41732391936 100644
--- a/addons/web_mobile/static/src/js/chrome_mobile.js
+++ b/addons/web_mobile/static/src/js/chrome_mobile.js
@@ -11,7 +11,7 @@ openerp.web_mobile.mobilewebclient = function(element_id) {
     return client;
 };
 
-openerp.web_mobile.MobileWebClient = openerp.web.Widget.extend({
+openerp.web_mobile.MobileWebClient = openerp.web.OldWidget.extend({
 
     template: "WebClient",
 
@@ -31,7 +31,7 @@ openerp.web_mobile.MobileWebClient = openerp.web.Widget.extend({
     }
 });
 
-openerp.web_mobile.Login =  openerp.web.Widget.extend({
+openerp.web_mobile.Login =  openerp.web.OldWidget.extend({
 
     template: "Login",
 
@@ -119,7 +119,7 @@ openerp.web_mobile.Login =  openerp.web.Widget.extend({
     }
 });
 
-openerp.web_mobile.Header =  openerp.web.Widget.extend({
+openerp.web_mobile.Header =  openerp.web.OldWidget.extend({
 
     template: "Header",
 
@@ -131,7 +131,7 @@ openerp.web_mobile.Header =  openerp.web.Widget.extend({
     }
 });
 
-openerp.web_mobile.Footer =  openerp.web.Widget.extend({
+openerp.web_mobile.Footer =  openerp.web.OldWidget.extend({
 
     template: "Footer",
 
@@ -143,7 +143,7 @@ openerp.web_mobile.Footer =  openerp.web.Widget.extend({
     }
 });
 
-openerp.web_mobile.Shortcuts =  openerp.web.Widget.extend({
+openerp.web_mobile.Shortcuts =  openerp.web.OldWidget.extend({
 
     template: "Shortcuts",
 
@@ -182,7 +182,7 @@ openerp.web_mobile.Shortcuts =  openerp.web.Widget.extend({
     }
 });
 
-openerp.web_mobile.Menu =  openerp.web.Widget.extend({
+openerp.web_mobile.Menu =  openerp.web.OldWidget.extend({
 
     template: "Menu",
 
@@ -248,7 +248,7 @@ openerp.web_mobile.Menu =  openerp.web.Widget.extend({
     }
 });
 
-openerp.web_mobile.Secondary =  openerp.web.Widget.extend({
+openerp.web_mobile.Secondary =  openerp.web.OldWidget.extend({
 
     template: "Menu.secondary",
 
@@ -305,7 +305,7 @@ openerp.web_mobile.Secondary =  openerp.web.Widget.extend({
     }
 });
 
-openerp.web_mobile.Options =  openerp.web.Widget.extend({
+openerp.web_mobile.Options =  openerp.web.OldWidget.extend({
 
     template: "Options",
 
diff --git a/addons/web_mobile/static/src/js/form_mobile.js b/addons/web_mobile/static/src/js/form_mobile.js
index 84eccd41dc5..cf44cca1879 100644
--- a/addons/web_mobile/static/src/js/form_mobile.js
+++ b/addons/web_mobile/static/src/js/form_mobile.js
@@ -4,7 +4,7 @@
 
 openerp.web_mobile.form_mobile = function (openerp) {
 
-openerp.web_mobile.FormView = openerp.web.Widget.extend({
+openerp.web_mobile.FormView = openerp.web.OldWidget.extend({
 
     template: 'FormView',
 
diff --git a/addons/web_mobile/static/src/js/list_mobile.js b/addons/web_mobile/static/src/js/list_mobile.js
index 7c7b7b33c15..16296df59e7 100644
--- a/addons/web_mobile/static/src/js/list_mobile.js
+++ b/addons/web_mobile/static/src/js/list_mobile.js
@@ -4,7 +4,7 @@
 
 openerp.web_mobile.list_mobile = function (openerp) {
 
-openerp.web_mobile.ListView = openerp.web.Widget.extend({
+openerp.web_mobile.ListView = openerp.web.OldWidget.extend({
 
     template: 'ListView',
 
diff --git a/addons/web_process/static/src/js/process.js b/addons/web_process/static/src/js/process.js
index 601973d4cb5..5bfd1d39587 100644
--- a/addons/web_process/static/src/js/process.js
+++ b/addons/web_process/static/src/js/process.js
@@ -241,14 +241,13 @@ openerp.web_process = function (openerp) {
             dataset.call('get',
                 ['action', 'tree_but_open',[['ir.ui.menu', id]], dataset.context],
                 function(res) {
-                    self.$element.empty();
                     var action = res[0][res[0].length - 1];
                     self.rpc("/web/action/load", {
                         action_id: action.id,
                         context: dataset.context
                         }, function(result) {
                             var action_manager = new openerp.web.ActionManager(self);
-                            action_manager.appendTo(self.widget_parent.$element);
+                            action_manager.replace(self.$element);
                             action_manager.do_action(result.result);
                         });
                 });
diff --git a/addons/web_tests/static/src/js/web_tests.js b/addons/web_tests/static/src/js/web_tests.js
index b21275d1eb7..f98dd95f66f 100644
--- a/addons/web_tests/static/src/js/web_tests.js
+++ b/addons/web_tests/static/src/js/web_tests.js
@@ -2,7 +2,7 @@ openerp.web_tests = function (db) {
     db.web.client_actions.add(
         'buncha-forms', 'instance.web_tests.BunchaForms');
     db.web_tests = {};
-    db.web_tests.BunchaForms = db.web.Widget.extend({
+    db.web_tests.BunchaForms = db.web.OldWidget.extend({
         init: function (parent) {
             this._super(parent);
             this.dataset = new db.web.DataSetSearch(this, 'test.listview.relations');
diff --git a/doc/source/addons.rst b/doc/source/addons.rst
index ac264758d2b..ddfeea06e57 100644
--- a/doc/source/addons.rst
+++ b/doc/source/addons.rst
@@ -163,8 +163,6 @@ override). Creating a subclass looks like this:
     var MyWidget = openerp.base.Widget.extend({
         // QWeb template to use when rendering the object
         template: "MyQWebTemplate",
-        // autogenerated id prefix, specificity helps when debugging
-        identifier_prefix: 'my-id-prefix-',
 
         init: function(parent) {
             this._super(parent);