--- loncom/interface/lonpreferences.pm	2006/05/01 22:54:43	1.83
+++ loncom/interface/lonpreferences.pm	2006/05/08 18:50:27	1.84
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Preferences
 #
-# $Id: lonpreferences.pm,v 1.83 2006/05/01 22:54:43 albertel Exp $
+# $Id: lonpreferences.pm,v 1.84 2006/05/08 18:50:27 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -600,6 +600,10 @@ sub verify_and_change_colors {
 	    $message.='Reset '.$colortypes{$item}.'<br />';
 	}
     }
+    my $now = time;
+    &Apache::lonnet::put('environment',{'color.timestamp' => $now});
+    &Apache::lonnet::appenv('environment.color.timestamp' => $now);
+
     $r->print(<<ENDVCCOL);
 $message
 <form name="client" action="/adm/preferences" method="POST">