--- loncom/homework/radiobuttonresponse.pm	2005/01/10 19:21:57	1.98
+++ loncom/homework/radiobuttonresponse.pm	2005/04/07 06:56:22	1.100
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # mutliple choice style responses
 #
-# $Id: radiobuttonresponse.pm,v 1.98 2005/01/10 19:21:57 albertel Exp $
+# $Id: radiobuttonresponse.pm,v 1.100 2005/04/07 06:56:22 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'));
@@ -114,8 +115,8 @@ sub start_foilgroup {
 }
 
 sub storesurvey {
-    if ( !defined($ENV{'form.submitted'})) { return ''; }
-    my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1']};
+    if ( !&Apache::response::submitted() ) { return ''; }
+    my $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']};
     &Apache::lonxml::debug("Here I am!:$response:");
     if ( $response !~ /[0-9]+/) { return ''; }
     my $part = $Apache::inputtags::part;
@@ -137,12 +138,12 @@ sub grade_response {
     my ($max,$randomize)=@_;
     #keep the random numbers the same must always call this
     my ($answer,@whichfoils)=&whichfoils($max,$randomize);
-    if (!defined($ENV{'form.submitted'})) { return; }
+    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;