--- loncom/interface/lonstatistics.pm	2005/04/07 06:56:23	1.123
+++ loncom/interface/lonstatistics.pm	2005/04/07 07:34:52	1.124
@@ -1,6 +1,6 @@
 # The LearningOnline Network with CAPA
 #
-# $Id: lonstatistics.pm,v 1.123 2005/04/07 06:56:23 albertel Exp $
+# $Id: lonstatistics.pm,v 1.124 2005/04/07 07:34:52 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -298,11 +298,8 @@ sub PrepareClasslist {
     }
     #
     if (exists($env{'form.StudentData'})) {
-        if (ref($env{'form.StudentData'}) eq 'ARRAY') {
-            @SelectedStudentData = @{$env{'form.StudentData'}};
-        } else {
-            @SelectedStudentData = ($env{'form.StudentData'});
-        }
+	@SelectedStudentData = 
+	    &Apache::loncommon::get_env_multiple('form.StudentData');
     } else {
         @SelectedStudentData = ('username');
     }
@@ -330,14 +327,8 @@ Returns an array of the selected section
 #######################################################
 #######################################################
 sub get_selected_sections {
-    my @selected_sections;
-    if (exists($env{'form.Section'})) {
-        if (ref($env{'form.Section'})) {
-            @selected_sections = @{$env{'form.Section'}};
-        } elsif ($env{'form.Section'} !~ /^\s*$/) {
-            @selected_sections = ($env{'form.Section'});
-        }
-    }
+    my @selected_sections = 
+	&Apache::loncommon::get_env_multiple('form.Section');
     @selected_sections = ('all') if (! @selected_sections);
     foreach (@selected_sections) {
         if ($_ eq 'all') {
@@ -569,16 +560,9 @@ Returns: Array of symbs of selected maps
 #######################################################
 sub get_selected_maps {
     my ($elementname) = @_;
-    my @selected_maps;
-    if (exists($env{'form.'.$elementname})) {
-        if (ref($env{'form.'.$elementname})) {
-            @selected_maps = @{$env{'form.'.$elementname}};
-        } else {
-            @selected_maps = ($env{'form.'.$elementname});
-        }
-    } else {
-        @selected_maps = ('all');
-    }
+    my @selected_maps = 
+	&Apache::loncommon::get_env_multiple('form.'.$elementname);
+    @selected_maps = ('all') if (! @selected_maps);
     foreach my $map (@selected_maps) {
         if ($map eq 'all') {
             @selected_maps = ('all');