--- rat/lonpageflip.pm	2006/10/20 22:04:16	1.74
+++ rat/lonpageflip.pm	2008/11/20 13:11:43	1.76
@@ -2,7 +2,7 @@
 #
 # Page flip handler
 #
-# $Id: lonpageflip.pm,v 1.74 2006/10/20 22:04:16 albertel Exp $
+# $Id: lonpageflip.pm,v 1.76 2008/11/20 13:11:43 jms Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -27,6 +27,48 @@
 # http://www.lon-capa.org/
 #
 
+=pod
+
+=head1 NAME
+
+Apache::lonpageflip
+
+=head1 SYNOPSIS
+
+Deals with forward, backward, and other page flips.
+
+This is part of the LearningOnline Network with CAPA project
+described at http://www.lon-capa.org.
+
+=head1 OVERVIEW
+
+(empty)
+
+=head1 SUBROUTINES
+
+=over cleanup()
+
+=item addrid()
+
+=item fullmove()
+
+=item hash_src()
+
+=item move()
+
+=item get_next_possible_move()
+
+=item navlaunch()
+
+=item first_accessible_resource()
+
+=item handler()
+
+=back
+
+=cut
+
+
 package Apache::lonpageflip;
 
 use strict;
@@ -444,7 +486,7 @@ sub handler {
 			   $redirectsymb='';
                         }
                      }
-                     &Apache::lonnet::appenv('user.criticalcheck.time'=>time);
+                     &Apache::lonnet::appenv({'user.criticalcheck.time'=>time});
 		  }
 
 		  &Apache::loncommon::content_type($r,'text/html');