Index: context_layouts/plugins/context_layouts_reaction_block.js
===================================================================
--- context_layouts/plugins/context_layouts_reaction_block.js	(revision 34063)
+++ context_layouts/plugins/context_layouts_reaction_block.js	(working copy)
@@ -9,8 +9,7 @@
       if (Drupal.settings.contextLayouts.layouts[layout]) {
         $('#context-blockform td.blocks table').hide();
         $('#context-blockform td.blocks div.label').hide();
-        for (var key in Drupal.settings.contextLayouts.layouts[layout]) {
-          var region = Drupal.settings.contextLayouts.layouts[layout][key];
+        for (var region in Drupal.settings.contextLayouts.layouts[layout]) {
           $('.context-blockform-regionlabel-'+region).show();
           $('#context-blockform-region-'+region).show();
         }