diff --git a/IPython/html/static/notebook/js/menubar.js b/IPython/html/static/notebook/js/menubar.js
index 94b28ae4f..f2c0b6565 100644
--- a/IPython/html/static/notebook/js/menubar.js
+++ b/IPython/html/static/notebook/js/menubar.js
@@ -6,6 +6,7 @@ define([
     'jquery',
     'base/js/utils',
     'notebook/js/tour',
+    'components/bootstrap/js/bootstrap.min',
 ], function(IPython, $, utils, tour) {
     "use strict";
     
diff --git a/IPython/html/static/notebook/js/notebook.js b/IPython/html/static/notebook/js/notebook.js
index feeddafef..f716a40ff 100644
--- a/IPython/html/static/notebook/js/notebook.js
+++ b/IPython/html/static/notebook/js/notebook.js
@@ -52,7 +52,7 @@ define([
         this.events = options.events;
         this.keyboard_manager = options.keyboard_manager;
         this.save_widget = options.save_widget;
-        this.tooltip = tooltip.Tooltip(this.events);
+        this.tooltip = new tooltip.Tooltip(this.events);
         // TODO: This code smells (and the other `= this` line a couple lines down)
         // We need a better way to deal with circular instance references.
         this.keyboard_manager.notebook = this;
diff --git a/IPython/html/static/widgets/js/manager.js b/IPython/html/static/widgets/js/manager.js
index 13f4c866f..a7f724dd8 100644
--- a/IPython/html/static/widgets/js/manager.js
+++ b/IPython/html/static/widgets/js/manager.js
@@ -4,7 +4,8 @@
 define([
     "underscore",
     "backbone",
-], function (_, Backbone) {
+    "base/js/namespace"
+], function (_, Backbone, IPython) {
 
     //--------------------------------------------------------------------
     // WidgetManager class
@@ -193,5 +194,8 @@ define([
         this._models[model_id] = widget_model;
     };
 
+    // Backwards compatability.
+    IPython.WidgetManager = WidgetManager;
+
     return {'WidgetManager': WidgetManager};
 });
diff --git a/IPython/html/static/widgets/js/widget.js b/IPython/html/static/widgets/js/widget.js
index 7e0840246..92bfcbe4a 100644
--- a/IPython/html/static/widgets/js/widget.js
+++ b/IPython/html/static/widgets/js/widget.js
@@ -3,8 +3,10 @@
 
 define(["widgets/js/manager",
         "underscore",
-        "backbone"], 
-function(widgetmanager, _, Backbone){
+        "backbone", 
+        "jquery",   
+        "base/js/namespace",
+], function(widgetmanager, _, Backbone, $, IPython){
 
     var WidgetModel = Backbone.Model.extend({
         constructor: function (widget_manager, model_id, comm) {
@@ -458,9 +460,14 @@ function(widgetmanager, _, Backbone){
         },
     });
 
-    return {
+    var widget = {
         'WidgetModel': WidgetModel,
         'WidgetView': WidgetView,
         'DOMWidgetView': DOMWidgetView,
     };
+
+    // For backwards compatability.
+    $.extend(IPython, widget);
+
+    return widget;
 });
diff --git a/IPython/html/static/widgets/js/widget_bool.js b/IPython/html/static/widgets/js/widget_bool.js
index 59d915d7e..5bb86d707 100644
--- a/IPython/html/static/widgets/js/widget_bool.js
+++ b/IPython/html/static/widgets/js/widget_bool.js
@@ -3,7 +3,9 @@
 
 define([
     "widgets/js/widget",
-], function(widget){
+    "jquery",
+    "components/bootstrap/js/bootstrap.min",
+], function(widget, $){
 
     var CheckboxView = widget.DOMWidgetView.extend({
         render : function(){
diff --git a/IPython/html/static/widgets/js/widget_button.js b/IPython/html/static/widgets/js/widget_button.js
index 45fbf6825..071c836fb 100644
--- a/IPython/html/static/widgets/js/widget_button.js
+++ b/IPython/html/static/widgets/js/widget_button.js
@@ -3,7 +3,9 @@
 
 define([
     "widgets/js/widget",
-], function(widget){
+    "jquery",
+    "components/bootstrap/js/bootstrap.min",
+], function(widget, $){
 
     var ButtonView = widget.DOMWidgetView.extend({
         render : function(){
diff --git a/IPython/html/static/widgets/js/widget_container.js b/IPython/html/static/widgets/js/widget_container.js
index 2e7d997cb..427d3de04 100644
--- a/IPython/html/static/widgets/js/widget_container.js
+++ b/IPython/html/static/widgets/js/widget_container.js
@@ -3,7 +3,8 @@
 
 define([
     "widgets/js/widget",
-    "jqueryui"
+    "jqueryui",
+    "components/bootstrap/js/bootstrap.min",
 ], function(widget, $){
 
     var ContainerView = widget.DOMWidgetView.extend({
diff --git a/IPython/html/static/widgets/js/widget_image.js b/IPython/html/static/widgets/js/widget_image.js
index 7bce149ac..f3a9f1788 100644
--- a/IPython/html/static/widgets/js/widget_image.js
+++ b/IPython/html/static/widgets/js/widget_image.js
@@ -3,7 +3,8 @@
 
 define([
     "widgets/js/widget",
-], function(widget){
+    "jquery",
+], function(widget, $){
     
     var ImageView = widget.DOMWidgetView.extend({  
         render : function(){
diff --git a/IPython/html/static/widgets/js/widget_int.js b/IPython/html/static/widgets/js/widget_int.js
index bb9bd9031..a5fa1968f 100644
--- a/IPython/html/static/widgets/js/widget_int.js
+++ b/IPython/html/static/widgets/js/widget_int.js
@@ -3,7 +3,9 @@
 
 define([
     "widgets/js/widget",
-], function(widget){
+    "jqueryui",
+    "components/bootstrap/js/bootstrap.min",
+], function(widget, $){
     
     var IntSliderView = widget.DOMWidgetView.extend({
         render : function(){
diff --git a/IPython/html/static/widgets/js/widget_selection.js b/IPython/html/static/widgets/js/widget_selection.js
index 74b556b03..384cabd4f 100644
--- a/IPython/html/static/widgets/js/widget_selection.js
+++ b/IPython/html/static/widgets/js/widget_selection.js
@@ -4,7 +4,9 @@
 define([
     "widgets/js/widget",
     "base/js/utils",
-], function(widget, utils){
+    "jquery",
+    "components/bootstrap/js/bootstrap.min",
+], function(widget, utils, $){
 
     var DropdownView = widget.DOMWidgetView.extend({
         render : function(){
diff --git a/IPython/html/static/widgets/js/widget_selectioncontainer.js b/IPython/html/static/widgets/js/widget_selectioncontainer.js
index 15424c14e..14c45b47a 100644
--- a/IPython/html/static/widgets/js/widget_selectioncontainer.js
+++ b/IPython/html/static/widgets/js/widget_selectioncontainer.js
@@ -4,7 +4,9 @@
 define([
     "widgets/js/widget",
     "base/js/utils",
-], function(widget, utils){
+    "jquery",
+    "components/bootstrap/js/bootstrap.min",
+], function(widget, utils, $){
 
     var AccordionView = widget.DOMWidgetView.extend({
         render: function(){
diff --git a/IPython/html/static/widgets/js/widget_string.js b/IPython/html/static/widgets/js/widget_string.js
index 1d2cf75c8..ff09c2627 100644
--- a/IPython/html/static/widgets/js/widget_string.js
+++ b/IPython/html/static/widgets/js/widget_string.js
@@ -3,7 +3,9 @@
 
 define([
     "widgets/js/widget",
-], function(widget){
+    "jquery",
+    "components/bootstrap/js/bootstrap.min",
+], function(widget, $){
 
     var HTMLView = widget.DOMWidgetView.extend({  
         render : function(){