diff -r cefe588b2a2b -r d3639d79979e src/cm/media/js/site/f_text_view_frame.js
--- a/src/cm/media/js/site/f_text_view_frame.js	Mon Nov 12 12:58:34 2012 +0100
+++ b/src/cm/media/js/site/f_text_view_frame.js	Fri Nov 30 14:43:51 2012 +0100
@@ -405,9 +405,9 @@
     var wish = $('#c_textpref_style').val() ;
     for (var key in styles) {
       if (key == wish)
-        frames['text_view_comments'].CY.get("#textcontainer").addClass(styles[key]) ;
+        frames['text_view_comments'].CY.get("#textcontainer").addClass(key) ;
       else 
-        frames['text_view_comments'].CY.get("#textcontainer").removeClass(styles[key]) ;
+        frames['text_view_comments'].CY.get("#textcontainer").removeClass(key) ;
     }
   };