From 14239c01e44d2a7a5319918b6946cb73052e6fb3 Mon Sep 17 00:00:00 2001
From: Paul Ivanov <pi@berkeley.edu>
Date: Thu, 27 Feb 2014 17:59:16 -0800
Subject: [PATCH] use explicit running header name + jquery's toggle

---
 IPython/html/static/tree/js/kernellist.js | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/IPython/html/static/tree/js/kernellist.js b/IPython/html/static/tree/js/kernellist.js
index d52e09c97..7ff20dd2d 100644
--- a/IPython/html/static/tree/js/kernellist.js
+++ b/IPython/html/static/tree/js/kernellist.js
@@ -31,11 +31,7 @@ var IPython = (function (IPython) {
             this.add_shutdown_button(item,this.sessions[path]);
         }
        
-        if ($.isEmptyObject(d)) {
-           $('#' + this.element_name + '_list_header').show();
-       } else {
-           $('#' + this.element_name + '_list_header').hide();
-       }
+        $('#running_list_header').toggle($.isEmptyObject(d));
     }
     
     IPython.KernelList = KernelList;