tooltip to mac

IPython/frontend/html/notebook/static/js/notebookmain.js

@@ -30,6 +30,7 b' $(document).ready(function () {'
     IPython.save_widget = new IPython.SaveWidget('span#save_widget');
     IPython.menubar = new IPython.MenuBar('#menubar')
     IPython.toolbar = new IPython.ToolBar('#toolbar')
+    IPython.tooltip = new IPython.Tooltip()
     IPython.notification_widget = new IPython.NotificationWidget('#notification')
 
     IPython.layout_manager.do_resize();

IPython/frontend/html/notebook/templates/notebook.html

@@ -193,6 +193,8 b' data-notebook-id={{notebook_id}}'
     </div>
 
 </div>
+<div id='tooltip' class='tooltip smalltooltip ui-corner-all hidden'></div>
+
 
 {% end %}
 
@@ -230,6 +232,7 b' data-notebook-id={{notebook_id}}'
 <script src="{{ static_url("js/toolbar.js") }}" type="text/javascript" charset="utf-8"></script>
 <script src="{{ static_url("js/notebook.js") }}" type="text/javascript" charset="utf-8"></script>
 <script src="{{ static_url("js/notificationwidget.js") }}" type="text/javascript" charset="utf-8"></script>
+<script src="{{ static_url("js/tooltip.js") }}" type="text/javascript" charset="utf-8"></script>
 <script src="{{ static_url("js/notebookmain.js") }}" type="text/javascript" charset="utf-8"></script>
 
 <script src="{{ static_url("js/context-hint.js") }} charset="utf-8"></script>