diff -r 21fea79d9de4 -r 7707f60d4a71 includes/clientside/static/messagebox.js
--- a/includes/clientside/static/messagebox.js	Fri Mar 06 11:17:47 2009 -0500
+++ b/includes/clientside/static/messagebox.js	Fri Mar 06 11:18:34 2009 -0500
@@ -324,6 +324,10 @@
   {
     load_component(['flyin', 'jquery', 'jquery-ui', 'fadefilter']);
   }
+  else
+  {
+    load_component(['fadefilter']);
+  }
   var darkener = darken(aclDisableTransitionFX, 40, 'miniprompt_darkener');
   
   var wrapper = document.createElement('div');