--- loncom/auth/londatecheck.pm	2004/05/31 20:24:11	1.1
+++ loncom/auth/londatecheck.pm	2004/06/01 14:40:59	1.2
@@ -1,3 +1,29 @@
+# Checks contentopen/close settings disable subsequent PerlHandlers if not open
+# $Id: londatecheck.pm,v 1.2 2004/06/01 14:40:59 albertel Exp $
+#
+# Copyright Michigan State University Board of Trustees
+#
+# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
+#
+# LON-CAPA is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# LON-CAPA is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with LON-CAPA; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+# /home/httpd/html/adm/gpl.txt
+#
+# http://www.lon-capa.org/
+#
+
 use strict;
 package Apache::londatecheck;
 use Apache::lonnet();
@@ -8,8 +34,9 @@ sub content_date_check {
     my $open=&Apache::lonnet::EXT('resource.0.contentopen',$symb);
     &Apache::lonnet::logthis("Hrrm got an open of $open");
     my $close=&Apache::lonnet::EXT('resource.0.contentclose',$symb);
-    if ( (defined($open)  && time < $open) ||
-	 (defined($close) && time > $close)) {
+    if ( (defined($open)  && $open  ne '' && time < $open) ||
+	 (defined($close) && $close ne '' && time > $close)) {
+	&Apache::lonnet::logthis(" returning CLOSED ");
 	return ('CLOSED',$open,$close);
     }
     return ('OPEN',$open,$close);