diff -r db95e6b3fc6e -r 2f9108930e47 src/cm/media/js/site/f_text_view_frame.js
--- a/src/cm/media/js/site/f_text_view_frame.js	Fri May 11 13:25:05 2012 +0200
+++ b/src/cm/media/js/site/f_text_view_frame.js	Fri May 11 16:50:30 2012 +0200
@@ -20,12 +20,14 @@
 onInnerNorthPaneClose = function() {
   _setCookie('innerNorthPaneOpened', '0');
   $('#add_comment_btn').css('top', 63) ;
+  document.getElementById('text_view_comments').contentDocument.getElementById('the-toc').style.height = (parseInt(document.getElementById('text_view_comments').clientHeight) - 50).toString() + 'px';
   return true;
 }
 
 onInnerNorthPaneOpen = function() {
   _setCookie('innerNorthPaneOpened', '1');
   $('#add_comment_btn').css('top', 149) ;
+  document.getElementById('text_view_comments').contentDocument.getElementById('the-toc').style.height = (parseInt(document.getElementById('text_view_comments').clientHeight) - 50).toString() + 'px';
   return true;
 }