--- ckeditor.css.orig	2011-12-05 09:50:55.000000000 -0800
+++ ckeditor.css	2011-12-05 13:43:27.000000000 -0800
@@ -126,4 +126,11 @@ fieldset#edit-appearance div#groupLayout
   padding: 0 0 0 0;
   margin: 1em 0;
   overflow: auto;
-}
\ No newline at end of file
+}
+
+/**
+ * Fix for double scrollbar on ckeditor menu dropdowns in IE.
+ */
+.cke_browser_ie .cke_panel_block {
+    overflow: hidden !important;
+}