diff --git a/IPython/frontend/html/notebook/static/js/loginwidget.js b/IPython/frontend/html/notebook/static/js/loginwidget.js
new file mode 100644
index 0000000..17fcc58
--- /dev/null
+++ b/IPython/frontend/html/notebook/static/js/loginwidget.js
@@ -0,0 +1,38 @@
+//----------------------------------------------------------------------------
+//  Copyright (C) 2008-2011  The IPython Development Team
+//
+//  Distributed under the terms of the BSD License.  The full license is in
+//  the file COPYING, distributed as part of this software.
+//----------------------------------------------------------------------------
+
+//============================================================================
+// Login button
+//============================================================================
+
+var IPython = (function (IPython) {
+
+    var LoginWidget = function (selector) {
+        this.selector = selector;
+        if (this.selector !== undefined) {
+            this.element = $(selector);
+            this.style();
+            this.bind_events();
+        }
+    };
+
+    LoginWidget.prototype.style = function () {
+        this.element.find('button#login').button();
+    };
+    LoginWidget.prototype.bind_events = function () {
+        var that = this;
+        this.element.find("button#login").click(function () {
+            window.location = "/login?next="+location.pathname;
+        });
+    };
+
+    // Set module variables
+    IPython.LoginWidget = LoginWidget;
+
+    return IPython;
+
+}(IPython));