diff -r 3ddbfa64f596 -r 37cd1c72115d src/cm/media/js/site/c_text_view_comments.js
--- a/src/cm/media/js/site/c_text_view_comments.js	Fri May 11 12:00:40 2012 +0200
+++ b/src/cm/media/js/site/c_text_view_comments.js	Fri May 11 13:10:19 2012 +0200
@@ -268,6 +268,9 @@
         parent.$("#c_fullscreen_btn").hide();
       }
 
+      if (gToc['empty'])
+        parent.$("#c_toc_btn").hide();
+
     },
     timeout :5
   }, {