--- loncom/xml/lonplot.pm	2005/02/24 22:01:40	1.105
+++ loncom/xml/lonplot.pm	2005/04/07 06:56:27	1.106
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Dynamic plot
 #
-# $Id: lonplot.pm,v 1.105 2005/02/24 22:01:40 matthew Exp $
+# $Id: lonplot.pm,v 1.106 2005/04/07 06:56:27 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -35,6 +35,7 @@ use Apache::File;
 use Apache::response;
 use Apache::lonxml;
 use Apache::edit;
+use Apache::lonnet;
 
 use vars qw/$weboutputformat $versionstring/;
 
@@ -513,7 +514,7 @@ sub end_gnuplot {
 	##
 	## Determine filename
 	my $tmpdir = '/home/httpd/perl/tmp/';
-	my $filename = $ENV{'user.name'}.'_'.$ENV{'user.domain'}.
+	my $filename = $env{'user.name'}.'_'.$env{'user.domain'}.
 	    '_'.time.'_'.$$.$randnumber.'_plot';
 	## Write the plot description to the file
 	&write_gnuplot_file($tmpdir,$filename,$target);