diff -r 5841df0ab575 -r dffcbfbc4e59 includes/clientside/tinymce/plugins/noneditable/editor_plugin_src.js
--- a/includes/clientside/tinymce/plugins/noneditable/editor_plugin_src.js	Mon May 05 20:06:37 2008 -0400
+++ b/includes/clientside/tinymce/plugins/noneditable/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 743 2008-03-23 17:47:33Z spocke $
  *
  * @author Moxiecode
  * @copyright Copyright © 2004-2008, Moxiecode Systems AB, All rights reserved.
@@ -48,6 +48,12 @@
 		},
 
 		_block : function(ed, e) {
+			var k = e.keyCode;
+
+			// Don't block arrow keys, pg up/down, and F1-F12
+			if ((k > 32 && k < 41) || (k > 111 && k < 124))
+				return;
+
 			return Event.cancel(e);
 		},