Index: devel_themer.js
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/devel_themer/devel_themer.js,v
retrieving revision 1.4
diff -u -p -r1.4 devel_themer.js
--- devel_themer.js	15 Nov 2010 12:33:35 -0000	1.4
+++ devel_themer.js	15 Nov 2010 12:40:36 -0000
@@ -136,7 +136,7 @@
       parents[parents.length] = obj;
     }
     if (obj && obj.parentNode) {
-      while (obj = obj.parentNode) {
+      while ((obj = obj.parentNode) && (obj.nodeType != 9)) {
         if ($(obj).attr('thmr') != undefined) {
           parents[parents.length] = obj;
         }
@@ -278,4 +278,4 @@
     //$('#themer-popup img.throbber').hide();
   }
 
-})(jQuery);
\ No newline at end of file
+})(jQuery);