diff -r 041c86ff16d5 -r cb96d038baff includes/clientside/static/messagebox.js
--- a/includes/clientside/static/messagebox.js	Sun Mar 22 12:10:25 2009 -0400
+++ b/includes/clientside/static/messagebox.js	Sat Apr 04 22:15:51 2009 -0400
@@ -420,8 +420,8 @@
   var parent = obj.parentNode;
   // if ( !nofade )
   //   enlighten(aclDisableTransitionFX);
-  enlighten(aclDisableTransitionFX, 'miniprompt_darkener');
-  if ( aclDisableTransitionFX )
+  enlighten((aclDisableTransitionFX || nofade), 'miniprompt_darkener');
+  if ( aclDisableTransitionFX || nofade )
   {
     parent.removeChild(obj);
   }