--- loncom/homework/radiobuttonresponse.pm	2005/01/31 22:00:40	1.99
+++ loncom/homework/radiobuttonresponse.pm	2005/06/22 12:03:23	1.102
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # mutliple choice style responses
 #
-# $Id: radiobuttonresponse.pm,v 1.99 2005/01/31 22:00:40 albertel Exp $
+# $Id: radiobuttonresponse.pm,v 1.102 2005/06/22 12:03:23 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -30,6 +30,7 @@ package Apache::radiobuttonresponse;
 use strict;
 use HTML::Entities();
 use Apache::lonlocal;
+use Apache::lonnet;
 
 BEGIN {
     &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));
@@ -115,7 +116,7 @@ sub start_foilgroup {
 
 sub storesurvey {
     if ( !&Apache::response::submitted() ) { return ''; }
-    my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1']};
+    my $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']};
     &Apache::lonxml::debug("Here I am!:$response:");
     if ( $response !~ /[0-9]+/) { return ''; }
     my $part = $Apache::inputtags::part;
@@ -139,10 +140,10 @@ sub grade_response {
     my ($answer,@whichfoils)=&whichfoils($max,$randomize);
     if ( !&Apache::response::submitted() ) { return; }
     my $response;
-    if ($ENV{'form.submitted'} eq 'scantron') {
+    if ($env{'form.submitted'} eq 'scantron') {
 	$response=&Apache::response::getresponse();
     } else {
-	$response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1']};
+	$response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']};
     }
     if ( $response !~ /[0-9]+/) { return; }
     my $part=$Apache::inputtags::part;
@@ -606,8 +607,8 @@ sub end_foil {
 	my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
 	if ($value ne 'unused') {
 	    my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
-	    if (!$name) {
-		&Apache::lonxml::error("Foils without names exist. This can cause problems to malfunction.");
+	    if ($name eq "") {
+		&Apache::lonxml::warning("Foils without names exist. This can cause problems to malfunction.");
 		$name=$Apache::lonxml::curdepth;
 	    }
 	    if (defined($Apache::response::foilnames{$name})) {