Index: /CKEditor/trunk/_source/plugins/dialogadvtab/plugin.js
===================================================================
--- /CKEditor/trunk/_source/plugins/dialogadvtab/plugin.js	(revision 5842)
+++ /CKEditor/trunk/_source/plugins/dialogadvtab/plugin.js	(revision 5843)
@@ -123,5 +123,5 @@
 			contents = [];
 
-			if ( tabConfig.id )
+			if ( tabConfig.styles )
 			{
 				contents.push(