diff --git a/addons/base/controllers/main.py b/addons/base/controllers/main.py
index 73d44041248..e1df0a4d8b7 100644
--- a/addons/base/controllers/main.py
+++ b/addons/base/controllers/main.py
@@ -303,10 +303,10 @@ class DataSet(openerpweb.Controller):
         return Model.read(ids, fields or False)
 
     @openerpweb.jsonrequest
-    def get(self, request, model, ids):
-        self.do_get(request, model, ids)
+    def get(self, request, model, ids, fields=False):
+        return self.do_get(request, model, ids, fields)
 
-    def do_get(self, request, model, ids):
+    def do_get(self, request, model, ids, fields=False):
         """ Fetches and returns the records of the model ``model`` whose ids
         are in ``ids``.
 
@@ -323,7 +323,7 @@ class DataSet(openerpweb.Controller):
         :rtype: list
         """
         Model = request.session.model(model)
-        records = Model.read(ids)
+        records = Model.read(ids, fields)
 
         record_map = dict((record['id'], record) for record in records)
 
diff --git a/addons/base/static/src/js/data.js b/addons/base/static/src/js/data.js
index ad4028fb155..985948a0860 100644
--- a/addons/base/static/src/js/data.js
+++ b/addons/base/static/src/js/data.js
@@ -1,8 +1,7 @@
 
 openerp.base.data = function(openerp) {
 
-openerp.base.DataGroup =  openerp.base.Controller.extend(
-    /** @lends openerp.base.DataGroup# */{
+openerp.base.DataGroup =  openerp.base.Controller.extend( /** @lends openerp.base.DataGroup# */{
     /**
      * Management interface between views and the collection of selected OpenERP
      * records (represents the view's state?)
@@ -16,10 +15,9 @@ openerp.base.DataGroup =  openerp.base.Controller.extend(
     }
 });
 
-openerp.base.DataSet =  openerp.base.Controller.extend(
-    /** @lends openerp.base.DataSet# */{
+openerp.base.DataSet =  openerp.base.Controller.extend( /** @lends openerp.base.DataSet# */{
     /**
-     * Management interface between views and the collection of selected
+     * DateaManagement interface between views and the collection of selected
      * OpenERP records (represents the view's state?)
      *
      * @constructs
@@ -32,13 +30,14 @@ openerp.base.DataSet =  openerp.base.Controller.extend(
         this._super(session);
         this.model = model;
 
-        this._ids = [];
-        this._active_ids = null;
-        this._active_id_index = 0;
+        this.ids = [];
+        this.offset
+        this.index = 0;
+        this.count = 0;
 
-        this._sort = [];
-        this._domain = [];
-        this._context = {};
+        this.sort = [];
+        this.domain = [];
+        this.context = {};
     },
     start: function() {
     },
@@ -55,141 +54,54 @@ openerp.base.DataSet =  openerp.base.Controller.extend(
      * @param {Number} [limit=null] The maximum number of records to return
      * @returns itself
      */
-    fetch: function (fields, offset, limit) {
+    fetch: function (fields, offset, limit, callback) {
+        var self = this;
         offset = offset || 0;
         this.rpc('/base/dataset/find', {
             model: this.model,
             fields: fields,
-            domain: this._domain,
-            context: this._context,
-            sort: this._sort,
+            domain: this.domain,
+            context: this.context,
+            sort: this.sort,
             offset: offset,
             limit: limit
-        }, _.bind(function (records) {
-            var data_records = _.map(
-                records, function (record) {
-                    return new openerp.base.DataRecord(this.session, this.model, fields, record);
-                }, this);
-
-            this.on_fetch(data_records, {
-                offset: offset,
-                limit: limit,
-                domain: this._domain,
-                context: this._context,
-                sort: this._sort
-            });
-        }, this));
-        return this;
+        }, function (records) {
+            var r = [];
+            this.offset = offset;
+            this.count = records.length;    // TODO: get real count
+            for (var i=0; i < records.length; i++ ) {
+                self.ids.push(records[i].id);
+                r.push(new openerp.base.DataRecord(self.session, self.model, fields, records[i]));
+            }
+            callback(r);
+        });
     },
-    /**
-     * Fires after the DataSet fetched the records matching its internal ids selection
-     *
-     * TODO: remove?
-     *
-     * @event
-     * @param {Array} records An array of the DataRecord fetched
-     * @param event The on_fetch event object
-     * @param {Number} event.offset the offset with which the original DataSet#fetch call was performed
-     * @param {Number} event.limit the limit set on the original DataSet#fetch call
-     * @param {Array} event.domain the domain set on the DataSet before DataSet#fetch was called
-     * @param {Object} event.context the context set on the DataSet before DataSet#fetch was called
-     * @param {Array} event.sort the sorting criteria used to get the ids
-     */
-    on_fetch: function (records, event) { 
-    },
-
-    /**
-     * Fetch all the currently active records for this DataSet (records selected via DataSet#select)
-     *
-     * TODO: add fields, return deferred
-     *
-     * @returns itself
-     */
-    active_ids: function (fields) {
+    fetch_ids: function (ids, fields, callback) {
         this.rpc('/base/dataset/get', {
-            ids: this.get_active_ids(),
-            model: this.model
-        }, _.bind(function (records) {
-            this.on_active_ids(_.map(
-                records, function (record) {
-                    return new openerp.base.DataRecord(this.session, this.model, fields, record);
-                }, this));
-        }, this));
-        return this;
+            model: this.model,
+            ids: ids,
+            fields: fields
+        }, function (records) {
+            var r = [];
+            for (var i=0; i < records.length; i++ ) {
+                r.push(new openerp.base.DataRecord(self.session, self.model, fields, records[i]));
+            }
+            callback(r);
+        });
     },
-
-    /**
-     * Fires after the DataSet fetched the records matching its internal active ids selection
-     *
-     * TODO: remove?
-     *
-     * @event
-     * @param {Array} records An array of the DataRecord fetched
-     */
-    on_active_ids: function (records) { 
-    },
-
-    /**
-     * Fetches the current active record for this DataSet
-     *
-     * TODO: add field, return deferred?
-     *
-     * @returns itself
-     */
-    active_id: function (fields) {
-        this.rpc('/base/dataset/get', {
-            ids: [this.get_active_id()],
-            model: this.model
-        }, _.bind(function (records) {
-            var record = records[0];
-            this.on_active_id(
-                record && new openerp.base.DataRecord(
-                        this.session, this.model,
-                        fields, record));
-        }, this));
-        return this;
-    },
-
-    /**
-     * Fires after the DataSet fetched the record matching the current active record
-     *
-     * @event
-     * @param record the record matching the provided id, or null if there is no record for this id
-     */
-    on_active_id: function (record) {
-
-    },
-
-    /**
-     * Configures the DataSet
-     *
-     * @param options DataSet options
-     * @param {Array} options.domain the domain to assign to this DataSet for filtering
-     * @param {Object} options.context the context this DataSet should use during its calls
-     * @param {Array} options.sort the sorting criteria for this DataSet
-     * @returns itself
-     */
-    set: function (options) {
-        if (options.domain) {
-            this._domain = _.clone(options.domain);
-        }
-        if (options.context) {
-            this._context = _.clone(options.context);
-        }
-        if (options.sort) {
-            this._sort = _.clone(options.sort);
-        }
-        return this;
+    fetch_index: function (fields, callback) {
+        fields = fields || false;
+        this.fetch_ids([this.ids[this.index]], fields, callback);
     },
 
     /**
      * Activates the previous id in the active sequence. If there is no previous id, wraps around to the last one
      * @returns itself
      */
-    prev: function () {
-        this._active_id_index -= 1;
-        if (this._active_id_index < 0) {
-            this._active_id_index = this._active_ids.length - 1;
+    previous: function () {
+        this.index -= 1;
+        if (this.index < 0) {
+            this.index = this.ids.length - 1;
         }
         return this;
     },
@@ -199,73 +111,13 @@ openerp.base.DataSet =  openerp.base.Controller.extend(
      * @returns itself
      */
     next: function () {
-        this._active_id_index += 1;
-        if (this._active_id_index >= this._active_ids.length) {
-            this._active_id_index = 0;
+        this.index += 1;
+        if (this.index >= this.ids.length) {
+            this.index = 0;
         }
         return this;
-    },
-
-    /**
-     * Sets active_ids by value:
-     *
-     * * Activates all ids part of the current selection
-     *
-     * * Sets active_id to be the first id of the selection
-     *
-     * @param {Array} ids the list of ids to activate
-     * @returns itself
-     */
-    select: function (ids) {
-        this._active_ids = ids;
-        this._active_id_index = 0;
-        return this;
-    },
-
-    /**
-     * Fetches the ids of the currently selected records, if any.
-     */
-    get_active_ids: function () {
-        return this._active_ids;
-    },
-
-    /**
-     * Sets the current active_id by value
-     *
-     * If there are no active_ids selected, selects the provided id as the sole active_id
-     *
-     * If there are ids selected and the provided id is not in them, raise an error
-     *
-     * @param {Object} id the id to activate
-     * @returns itself
-     */
-    activate: function (id) {
-        if(!this._active_ids) {
-            this._active_ids = [id];
-            this._active_id_index = 0;
-        } else {
-            var index = _.indexOf(this._active_ids, id);
-            if (index == -1) {
-                throw new Error(
-                    "Could not find id " + id +
-                    " in array [" + this._active_ids.join(', ') + "]");
-            }
-            this._active_id_index = index;
-        }
-        return this;
-    },
-
-    /**
-     * Fetches the id of the current active record, if any.
-     *
-     * @returns record? record id or <code>null</code>
-     */
-    get_active_id: function () {
-        if (!this._active_ids) {
-            return null;
-        }
-        return this._active_ids[this._active_id_index];
     }
+
 });
 
 openerp.base.DataRecord =  openerp.base.Controller.extend({
diff --git a/addons/base/static/src/js/form.js b/addons/base/static/src/js/form.js
index 95929eb8481..19fad46bb60 100644
--- a/addons/base/static/src/js/form.js
+++ b/addons/base/static/src/js/form.js
@@ -21,7 +21,7 @@ openerp.base.FormView =  openerp.base.Controller.extend(
         this.dataset = dataset;
         this.model = dataset.model;
         this.view_id = view_id;
-        this.fields_views = {};
+        this.fields_view = {};
         this.widgets = {};
         this.widgets_counter = 0;
         this.fields = {};
@@ -35,7 +35,6 @@ openerp.base.FormView =  openerp.base.Controller.extend(
     on_loaded: function(data) {
         var self = this;
         this.fields_view = data.fields_view;
-        //this.log(this.fields_view);
 
         var frame = new openerp.base.form.WidgetFrame(this, this.fields_view.arch);
 
@@ -45,25 +44,25 @@ openerp.base.FormView =  openerp.base.Controller.extend(
         });
         this.$element.find('button.form_save').click(this.do_save);
 
-//        this.dataset.on_active_id.add(this.on_record_loaded);
-//        this.dataset.active_id(fields of the form, this.on_record_loaded);
+        this.dataset.fetch_index(this.fields_view.fields, this.on_record_loaded);
     },
     on_next: function() {
-//        this.dataset.next();
-//        this.dataset.active_id(fields of the form, this.on_record_loaded);
+        this.dataset.next();
+        this.dataset.fetch_index(this.fields_view.fields, this.on_record_loaded);
     },
     on_prev: function() {
-
-//        this.dataset.prev();
-//        this.dataset.active_id(fields of the form, this.on_record_loaded);
+        this.dataset.prev();
+        this.dataset.fetch_index(this.fields_view.fields, this.on_record_loaded);
     },
     on_record_loaded: function(record) {
-        this.datarecord = record;
-        for (var f in this.fields) {
-            this.fields[f].set_value(this.datarecord.values[f]);
+        if (record.length) {
+            this.datarecord = record[0];
+            for (var f in this.fields) {
+                this.fields[f].set_value(this.datarecord.values[f]);
+            }
+            this.on_form_changed();
+            this.ready = true;
         }
-        this.on_form_changed();
-        this.ready = true;
     },
     on_form_changed: function(widget) {
         for (var w in this.widgets) {
@@ -101,11 +100,35 @@ openerp.base.FormView =  openerp.base.Controller.extend(
             // rpc - save.callbacl on_saved
         }
     },
+    do_search: function() {
+        if (!this.ready) {
+            return false;
+        }
+        var invalid = false;
+        var values = {};
+        for (var f in this.fields) {
+            f = this.fields[f];
+            if (f.invalid) {
+                invalid = true;
+            } else {
+                values[f.name] = f.value;
+            }
+        }
+        if (invalid) {
+            this.on_invalid();
+        } else {
+            console.log("Save form", values);
+            // TODO: save values via datarecord
+            // rpc - save.callbacl on_saved
+        }
+    },
     on_invalid: function() {
     },
     on_saved: function() {
         // Check response for exceptions, display error
     },
+    do_search: function (domains, contexts, groupbys) {
+    },
     on_action: function (action) {
     }
 });
diff --git a/addons/base/static/src/js/list.js b/addons/base/static/src/js/list.js
index c64f08a79cf..c1c44ad164f 100644
--- a/addons/base/static/src/js/list.js
+++ b/addons/base/static/src/js/list.js
@@ -45,8 +45,7 @@ openerp.base.ListView = openerp.base.Controller.extend({
             }
         }
         this.dataset.fields = this.cols;
-        this.dataset.on_fetch.add(this.do_fill_table);
-        
+
         var width = this.$element.width();
         this.$table.jqGrid({
             datatype: "local",
@@ -85,10 +84,9 @@ openerp.base.ListView = openerp.base.Controller.extend({
             group_by_seq: groupbys
         }, function (results) {
             // TODO: handle non-empty results.group_by with read_group
-            self.dataset.set({
-                context: results.context,
-                domain: results.domain
-            }).fetch(self.fields_view.fields, 0, self.limit);
+            self.dataset.context = results.context;
+            self.dataset.domain = results.domain;
+            self.dataset.fetch(self.dataset.fields, 0, self.limit, self.do_fill_table);
         });
     }
 });