diff --git a/index.html b/index.html
index 543cef6fbc..6a6d82fe23 100644
--- a/index.html
+++ b/index.html
@@ -28,8 +28,14 @@ this repository contains the full copyright notices and license terms. -->
         <SCRIPT type="text/javascript" src="js/tab.js"></SCRIPT>
         <SCRIPT type="text/javascript" src="js/screen.js"></SCRIPT>
         <SCRIPT type="text/javascript" src="js/view.js"></SCRIPT>
+        <SCRIPT type="text/javascript" src="js/action.js"></SCRIPT>
+        <SCRIPT type="text/javascript" src="js/common.js"></SCRIPT>
     </HEAD>
     <BODY>
+        <DIV id="main">
+            <DIV id="menu"></DIV>
+            <DIV id="tabs"><UL></UL></DIV>
+        </DIV>
         <SCRIPT type="text/javascript">
             $(function() {
                     dfd = jQuery.Deferred();
@@ -41,18 +47,9 @@ this repository contains the full copyright notices and license terms. -->
                             'view_ids': [3],
                             'domain': [['parent', '=', null]]
                             });
-                        form.screen.load_next_view().pipe(function() {
-                            return form.screen.switch_view();
-                            }).done(function() {
-                                $('#menu').html(form.screen.el);
-                                }).done(function() {
-                                    form.screen.search_filter().done(function() {
-                                        form.screen.display()
-                                        });
-                                    });
+                        $('#menu').html(form.el);
                         });
                     });
         </SCRIPT>
-        <DIV id="menu"/>
     </BODY>
 </HTML>
diff --git a/js/action.js b/js/action.js
new file mode 100644
index 0000000000..100d2ea9e9
--- /dev/null
+++ b/js/action.js
@@ -0,0 +1,85 @@
+/* This file is part of Tryton.  The COPYRIGHT file at the top level of
+   this repository contains the full copyright notices and license terms. */
+'use strict';
+
+Sao.Action = {};
+
+Sao.Action.exec_action = function(action, data, context) {
+    if (context == undefined) {
+        context = {};
+    }
+    if (data == undefined) {
+        data = {};
+    } else {
+        data = jQuery.extend({}, data);
+    }
+    switch (action['type']) {
+        case 'ir.action.act_window':
+            var params = {};
+            params.view_ids = false;
+            params.view_mode = null;
+            if (!jQuery.isEmptyObject(action.views)) {
+                params.view_ids = [];
+                params.view_mode = [];
+                action.views.forEach(function(x) {
+                    params.view_ids.push(x[0]);
+                    params.view_mode.push(x[1]);
+                });
+            } else if (!jQuery.isEmptyObject(action.view_id)) {
+                params.view_ids = [action.view_id[0]];
+            }
+            // TODO context, domain, search, tab_domain
+            params.name = false;
+            if (action.window_name) {
+                params.name = action.name;
+            }
+            params.model = action.res_model || data.res_model;
+            params.res_id = action.res_id || data.res_id;
+            Sao.Tab.create(params);
+            return;
+        case 'ir.action.wizard':
+            return;
+        case 'ir.action.report':
+            return;
+        case 'ir.action.url':
+            window.open(action['url'], '_blank');
+            return;
+    }
+};
+
+Sao.Action.exec_keyword = function(keyword, data, context, warning, alwaysask)
+{
+    if (warning == undefined) {
+        warning = true;
+    }
+    if (alwaysask == undefined) {
+        alwaysask = false;
+    }
+    var actions = [];
+    var model_id = data['id'];
+    var args = {
+        'method': 'model.' + 'ir.action.keyword.get_keyword',
+        'params': [keyword, [data['model'], model_id], {}]
+    };
+    var prm = Sao.rpc(args, Sao.Session.current_session);
+    var exec_action = function(actions) {
+        var keyact = {};
+        for (var i in actions) {
+            var action = actions[i];
+            keyact[action['name'].replace(/_/g, '')] = action;
+        }
+        // TODO translation
+        var prm = Sao.common.selection('Select your action', keyact, alwaysask);
+        prm.done(function(action) {
+            Sao.Action.exec_action(action, data, context);
+        });
+        prm.fail(function() {
+            if (jQuery.isEmptyObject(keyact) && warning) {
+                // TODO translation
+                alert('No action defined!');
+            }
+        });
+        return prm;
+    };
+    return prm.pipe(exec_action);
+};
diff --git a/js/common.js b/js/common.js
new file mode 100644
index 0000000000..13b9ea88ab
--- /dev/null
+++ b/js/common.js
@@ -0,0 +1,18 @@
+/* This file is part of Tryton.  The COPYRIGHT file at the top level of
+   this repository contains the full copyright notices and license terms. */
+'use strict';
+
+Sao.common = {};
+
+Sao.common.selection = function(title, values, alwaysask) {
+    if (alwaysask == undefined) {
+        alwaysask = false;
+    }
+    if ((Object.keys(values).length == 1) && (!alwaysask)) {
+        var prm = jQuery.Deferred();
+        var key = Object.keys(values)[0];
+        prm.resolve(values[key]);
+        return prm;
+    }
+    // TODO
+};
diff --git a/js/screen.js b/js/screen.js
index 58728fa17d..e0cb844f40 100644
--- a/js/screen.js
+++ b/js/screen.js
@@ -12,7 +12,13 @@ Sao.Screen = Class(Object, {
             attributes.mode || ['tree', 'form']);
         this.views = [];
         this.current_view = null;
+        this.current_record = null;
         this.context = attributes.context || {};
+        if (!attributes.row_activate) {
+            this.row_activate = this.default_row_activate;
+        } else {
+            this.row_activate = attributes.row_activate;
+        }
         this.el = $('<div/>', {
             'class': 'screen'
         });
@@ -111,6 +117,23 @@ Sao.Screen = Class(Object, {
                 if (this.views[i])
                     this.views[i].display();
         }
+    },
+    default_row_activate: function() {
+        if ((this.current_view.view_type == 'tree') &&
+                this.current_view.keyword_open) {
+            Sao.Action.exec_keyword('tree_open', {
+                'model': this.model_name,
+                'id': this.get_id(),
+                'ids': [this.get_id()]
+                }, jQuery.extend({}, this.context));
+        } else {
+            this.switch_view('form');
+        }
+    },
+    get_id: function() {
+        if (this.current_record) {
+            return this.current_record.id;
+        }
     }
 });
 
diff --git a/js/tab.js b/js/tab.js
index 31bcc8792d..0dc9854427 100644
--- a/js/tab.js
+++ b/js/tab.js
@@ -7,10 +7,44 @@ Sao.Tab = Class(Object, {
           }
 });
 
+Sao.Tab.counter = 0;
+
+Sao.Tab.create = function(attributes) {
+    if (attributes.context == undefined) {
+        attributes.context = {};
+    }
+    var tab;
+    if (attributes.model) {
+        tab = new Sao.Tab.Form(attributes.model, attributes);
+    } else {
+        tab = new Sao.Tab.Board(attributes);
+    }
+    jQuery('#tabs').tabs();
+    tab.id = '#tab-' + Sao.Tab.counter++;
+    jQuery('#tabs').tabs('add', tab.id, tab.name);
+    jQuery(tab.id).html(tab.el);
+    jQuery('#tabs').tabs('select', tab.id);
+};
+
 Sao.Tab.Form = Class(Sao.Tab, {
     init: function(model_name, attributes) {
         Sao.Tab.Form._super.init.call(this);
-        this.screen = new Sao.Screen(model_name, attributes);
-        this.attributes = jQuery.extend({}, attributes); 
+        var screen = new Sao.Screen(model_name, attributes);
+        this.screen = screen;
+        this.attributes = jQuery.extend({}, attributes);
+        this.name = attributes.name; // XXX use screen current view title
+        var el = $('<div/>', {
+            'class': 'form'
+        });
+        this.el = el;
+        this.screen.load_next_view().pipe(function() {
+            return screen.switch_view();
+        }).done(function() {
+            el.html(screen.el);
+        }).done(function() {
+            screen.search_filter().done(function() {
+                screen.display();
+            });
+        });
     }
 });
diff --git a/js/view.js b/js/view.js
index e933af0a4c..9afe116c65 100644
--- a/js/view.js
+++ b/js/view.js
@@ -33,6 +33,7 @@ Sao.View.Tree = Class(Sao.View, {
         });
         this.expanded = {};
         this.children_field = children_field;
+        this.keyword_open = xml.children()[0].getAttribute('keyword_open');
 
         // Columns
         this.columns = [];
@@ -131,16 +132,25 @@ Sao.View.Tree = Class(Sao.View, {
     display: function() {
         this.tbody.empty();
         var add_row = function(record, pos, group) {
-            var tree_row = new Sao.View.Tree.Row(this, pos);
-            tree_row.display(record);
+            var tree_row = new Sao.View.Tree.Row(this, record, pos);
+            tree_row.display();
         };
         this.screen.group.forEach(add_row.bind(this));
+    },
+    switch_: function(path) {
+        this.screen.row_activate();
+    },
+    select_changed: function(record) {
+        this.screen.current_record = record;
+        // TODO validate if editable
+        // TODO update_children
     }
 });
 
 Sao.View.Tree.Row = Class(Object, {
-    init: function(tree, pos, parent) {
+    init: function(tree, record, pos, parent) {
         this.tree = tree;
+        this.record = record;
         this.children_field = tree.children_field;
         this.expander = null;
         this.expander_icon = null;
@@ -151,11 +161,18 @@ Sao.View.Tree.Row = Class(Object, {
         path.push(pos);
         this.path = path.join('.');
         this.el = $('<tr/>');
+        this.el.click(this.select_row.bind(this));
+        var switch_ = function() {
+            this.el.addClass('ui-state-highlight');
+            this.tree.select_changed(this.record);
+            this.tree.switch_(path);
+        };
+        this.el.dblclick(switch_.bind(this));
     },
     is_expanded: function() {
         return (this.path in this.tree.expanded);
     },
-    display: function(record) {
+    display: function() {
         console.log(this.path);
         var depth = this.path.split('.').length;
         for (var i = 0; i < this.tree.columns.length; i++) {
@@ -181,31 +198,32 @@ Sao.View.Tree.Row = Class(Object, {
                 td.append(this.expander);
                 var update_expander = function() {
                     if (jQuery.isEmptyObject(
-                                record.field_get(this.children_field))) {
+                                this.record.field_get(this.children_field))) {
 
                         this.expander_icon.hide();
                     }
                 };
-                record.load(this.children_field).done(
+                this.record.load(this.children_field).done(
                         update_expander.bind(this));
             }
             var column = this.tree.columns[i];
-            td.append(column.render(record));
+            td.append(column.render(this.record));
             this.el.append(td);
         }
         this.tree.tbody.append(this.el);
         if (this.is_expanded()) {
-            var add_row = function(record, pos, group) {
-                var tree_row = new Sao.View.Tree.Row(this.tree, pos, this);
-                tree_row.display(record);
+            var add_children = function() {
+                var add_row = function(record, pos, group) {
+                    var tree_row = new Sao.View.Tree.Row(this.tree, record,
+                            pos, this);
+                    tree_row.display();
+                };
+                var children = this.record.field_get_client(children_field);
+                children.forEach(add_row.bind(this));
             };
-            add_row = add_row.bind(this);
             var children_field = this.children_field;
             console.log('Load children of ' + this.path);
-            record.load(this.children_field).done(function() {
-                var children = record.field_get_client(children_field);
-                children.forEach(add_row);
-            });
+            this.record.load(this.children_field).done(add_children.bind(this));
         }
     },
     toggle_row: function() {
@@ -219,6 +237,14 @@ Sao.View.Tree.Row = Class(Object, {
             this.tree.expanded[this.path] = this;
         }
         this.tree.display();
+    },
+    select_row: function() {
+        this.el.toggleClass('ui-state-highlight');
+        if (this.el.hasClass('ui-state-highlight')) {
+            this.tree.select_changed(this.record);
+        } else {
+            this.tree.select_changed(null);
+        }
     }
 });