--- loncom/interface/loncommon.pm	2003/10/15 21:12:24	1.129
+++ loncom/interface/loncommon.pm	2003/10/24 13:35:37	1.134
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.129 2003/10/15 21:12:24 matthew Exp $
+# $Id: loncommon.pm,v 1.134 2003/10/24 13:35:37 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -2663,7 +2663,7 @@ $uname, optional the username of the use
 
 sub check_if_partid_hidden {
     my ($id,$symb,$udom,$uname) = @_;
-    my $hiddenparts=&Apache::lonnet::EXT('resource.0.parameter_hiddenparts',
+    my $hiddenparts=&Apache::lonnet::EXT('resource.0.hiddenparts',
 					 $symb,$udom,$uname);
     my @hiddenlist=split(/,/,$hiddenparts);
     foreach my $checkid (@hiddenlist) {
@@ -2677,17 +2677,23 @@ sub check_if_partid_hidden {
 
 =pod
 
-=item DrawGraph
+=item DrawBarGraph
 
-Returns a link to cgi-bin/graph
 
 =cut
 
 ############################################################
 ############################################################
-sub DrawGraph {
+sub DrawBarGraph {
     my ($Title,$xlabel,$ylabel,$Max,$colors,@Values)=@_;
     #
+    if (! defined($colors)) {
+        $colors = ['#33ff00', 
+                  '#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933',
+                  '#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66',
+                  ]; 
+    }
+    #
     my $identifier = time.'_'.int(rand(1000));
     if (! @Values || ref($Values[0]) ne 'ARRAY') {
         return '';
@@ -2697,7 +2703,8 @@ sub DrawGraph {
     my $NumSets=1;
     foreach my $array (@Values) {
         next if (! ref($array));
-        $ValuesHash{$identifier.'.data.'.$NumSets++} = join(',',@$array);
+        $ValuesHash{'cgi.'.$identifier.'.data.'.$NumSets++} = 
+            join(',',@$array);
     }
     #
     $Title  = '' if (! defined($Title));
@@ -2713,15 +2720,15 @@ sub DrawGraph {
         $Max = int($Max);
     }
     #
-    &Apache::lonnet::appenv($identifier.'.title'   => $Title,
-                            $identifier.'.xlabel'  => $xlabel,
-                            $identifier.'.ylabel'  => $ylabel,
-                            $identifier.'.Max'     => $Max,
-                            $identifier.'.NumBars' => $NumBars,
-                            $identifier.'.NumSets' => $NumSets,
-                            $identifier.'.Colors'  => join(',',@{$colors}),
+    &Apache::lonnet::appenv('cgi.'.$identifier.'.title'   => $Title,
+                            'cgi.'.$identifier.'.xlabel'  => $xlabel,
+                            'cgi.'.$identifier.'.ylabel'  => $ylabel,
+                            'cgi.'.$identifier.'.Max'     => $Max,
+                            'cgi.'.$identifier.'.NumBars' => $NumBars,
+                            'cgi.'.$identifier.'.NumSets' => $NumSets,
+                            'cgi.'.$identifier.'.Colors'  => join(',',@{$colors}),
                             %ValuesHash);
-    return '<IMG src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
+    return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
 }
 
 ############################################################