From 7640ade481171cbaa4cea666ec395b5d0dd54c9b Mon Sep 17 00:00:00 2001
From: Peter Fogg <pfogg@edx.org>
Date: Fri, 9 Aug 2013 17:03:50 -0400
Subject: [PATCH] Fix not being able to expand an empty subsection.

---
 cms/static/js/views/overview.js | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/cms/static/js/views/overview.js b/cms/static/js/views/overview.js
index 2dbed015c4..7bfaa8dbea 100644
--- a/cms/static/js/views/overview.js
+++ b/cms/static/js/views/overview.js
@@ -33,9 +33,14 @@ $(document).ready(function() {
             }
             // Otherwise, do check the container
             else {
-                // If the list is empty, we should prepend to it
+                // If the list is empty, we should prepend to it,
+                // unless both elements are at the same location --
+                // this prevents the user from being unable to expand
+                // a section
+                var containerY = container.offset().top;
                 if(siblings.length == 0 &&
-                   Math.abs(eleY - container.offset().top) < 50) {
+                   containerY != eleY &&
+                   Math.abs(eleY - containerY) < 50) {
                     return {
                         ele: container,
                         attachMethod: 'prepend'