diff -r 5841df0ab575 -r dffcbfbc4e59 includes/clientside/tinymce/plugins/style/editor_plugin_src.js
--- a/includes/clientside/tinymce/plugins/style/editor_plugin_src.js	Mon May 05 20:06:37 2008 -0400
+++ b/includes/clientside/tinymce/plugins/style/editor_plugin_src.js	Mon May 05 20:08:44 2008 -0400
@@ -1,5 +1,5 @@
 /**
- * $Id: editor_plugin_src.js 520 2008-01-07 16:30:32Z spocke $
+ * $Id: editor_plugin_src.js 787 2008-04-10 11:40:57Z spocke $
  *
  * @author Moxiecode
  * @copyright Copyright © 2004-2008, Moxiecode Systems AB, All rights reserved.
@@ -28,6 +28,10 @@
 				}
 			});
 
+			ed.onNodeChange.add(function(ed, cm, n) {
+				cm.setDisabled('styleprops', n.nodeName === 'BODY');
+			});
+
 			// Register buttons
 			ed.addButton('styleprops', {title : 'style.desc', cmd : 'mceStyleProps'});
 		},