diff --git a/IPython/frontend/html/notebook/static/js/clusterlist.js b/IPython/frontend/html/notebook/static/js/clusterlist.js
index 8ef1de0..ed8ff61 100644
--- a/IPython/frontend/html/notebook/static/js/clusterlist.js
+++ b/IPython/frontend/html/notebook/static/js/clusterlist.js
@@ -84,6 +84,11 @@ var IPython = (function (IPython) {
         this.style();
     };
 
+    ClusterItem.prototype.baseProjectUrl = function(){
+        return this._baseProjectUrl || $('body').data('baseProjectUrl');
+    };
+
+
 
     ClusterItem.prototype.style = function () {
         this.element.addClass('list_item ui-widget ui-widget-content ui-helper-clearfix');
@@ -138,7 +143,7 @@ var IPython = (function (IPython) {
                     }
                 };
                 status_col.html('starting');
-                var url = this.baseProjectUrl() + 'clusters/' + that.data.profile + '/start';
+                var url = that.baseProjectUrl() + 'clusters/' + that.data.profile + '/start';
                 $.ajax(url, settings);
             };
         });
@@ -172,7 +177,7 @@ var IPython = (function (IPython) {
                 }
             };
             status_col.html('stopping')
-            var url = this.baseProjectUrl() + 'clusters/' + that.data.profile + '/stop';
+            var url = that.baseProjectUrl() + 'clusters/' + that.data.profile + '/stop';
             $.ajax(url, settings);
         });
     };
diff --git a/IPython/frontend/html/notebook/static/js/menubar.js b/IPython/frontend/html/notebook/static/js/menubar.js
index fc586cf..4e41924 100644
--- a/IPython/frontend/html/notebook/static/js/menubar.js
+++ b/IPython/frontend/html/notebook/static/js/menubar.js
@@ -65,18 +65,19 @@ var IPython = (function (IPython) {
 
     MenuBar.prototype.bind_events = function () {
         //  File
+        var that = this;
         this.element.find('#new_notebook').click(function () {
-            window.open(this.baseProjectUrl()+'new');
+            window.open(that.baseProjectUrl()+'new');
         });
         this.element.find('#open_notebook').click(function () {
-            window.open(this.baseProjectUrl());
+            window.open(that.baseProjectUrl());
         });
         this.element.find('#rename_notebook').click(function () {
             IPython.save_widget.rename_notebook();
         });
         this.element.find('#copy_notebook').click(function () {
             var notebook_id = IPython.notebook.get_notebook_id();
-            var url = this.baseProjectUrl() + notebook_id + '/copy';
+            var url = that.baseProjectUrl() + notebook_id + '/copy';
             window.open(url,'_blank');
             return false;
         });
@@ -85,13 +86,13 @@ var IPython = (function (IPython) {
         });
         this.element.find('#download_ipynb').click(function () {
             var notebook_id = IPython.notebook.get_notebook_id();
-            var url = this.baseProjectUrl() + 'notebooks/' +
+            var url = that.baseProjectUrl() + 'notebooks/' +
                       notebook_id + '?format=json';
             window.location.assign(url);
         });
         this.element.find('#download_py').click(function () {
             var notebook_id = IPython.notebook.get_notebook_id();
-            var url = this.baseProjectUrl() + 'notebooks/' +
+            var url = that.baseProjectUrl() + 'notebooks/' +
                       notebook_id + '?format=py';
             window.location.assign(url);
         });
diff --git a/IPython/frontend/html/notebook/static/js/notebooklist.js b/IPython/frontend/html/notebook/static/js/notebooklist.js
index 58b681e..513a509 100644
--- a/IPython/frontend/html/notebook/static/js/notebooklist.js
+++ b/IPython/frontend/html/notebook/static/js/notebooklist.js
@@ -216,7 +216,7 @@ var IPython = (function (IPython) {
                         that.load_list();
                     }
                 };
-                var url = this.baseProjectUrl() + 'kernels/'+kernel;
+                var url = that.baseProjectUrl() + 'kernels/'+kernel;
                 $.ajax(url, settings);
             });
         new_buttons.append(shutdown_button);
@@ -257,7 +257,7 @@ var IPython = (function (IPython) {
                                     parent_item.remove();
                                 }
                             };
-                            var url = this.baseProjectUrl() + 'notebooks/' + notebook_id;
+                            var url = that.baseProjectUrl() + 'notebooks/' + notebook_id;
                             $.ajax(url, settings);
                             $(this).dialog('close');
                         },
@@ -306,7 +306,7 @@ var IPython = (function (IPython) {
                 };
 
                 var qs = $.param({name:nbname, format:nbformat});
-                var url = this.baseProjectUrl() + 'notebooks?' + qs;
+                var url = that.baseProjectUrl() + 'notebooks?' + qs;
                 $.ajax(url, settings);
             });
         var cancel_button = $('<button>Cancel</button>').button().