--- loncom/homework/radiobuttonresponse.pm	2007/02/22 01:25:31	1.111
+++ loncom/homework/radiobuttonresponse.pm	2007/04/17 23:25:09	1.114
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # mutliple choice style responses
 #
-# $Id: radiobuttonresponse.pm,v 1.111 2007/02/22 01:25:31 albertel Exp $
+# $Id: radiobuttonresponse.pm,v 1.114 2007/04/17 23:25:09 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -208,6 +208,11 @@ sub end_foilgroup {
 	}
 	$Apache::lonxml::post_evaluate=0;
     }
+    if ($target eq 'web') {
+	&Apache::response::setup_prior_tries_hash(\&format_prior_answer,
+						  [\%Apache::response::foilgroup]);
+    }
+    
     &Apache::response::poprandomnumber();
     &Apache::lonxml::increment_counter();
     return $result;
@@ -231,6 +236,16 @@ sub getfoilcounts {
     return ($truecnt,$falsecnt);
 }
 
+sub format_prior_answer {
+    my ($mode,$answer,$other_data) = @_;
+    my $foil_data = $other_data->[0];
+    my %response = &Apache::lonnet::str2hash($answer);
+    my ($name)   = keys(%response);
+    return '<span class="LC_prior_radiobutton">'.
+	$foil_data->{$name.'.text'}.'</span>';
+
+}
+
 sub displayallfoils {
     my ($direction, $target)=@_;
     my $result;
@@ -290,7 +305,11 @@ sub displayallfoils {
 		    $i++;
 		} else {
 		    $result .= '<label>';
-		    $result.="<input type=\"radio\" name=\"HWVAL_$Apache::inputtags::response['-1']\" value=\"$temp\" ";
+		    $result.="<input
+                       onchange=\"javascript:setSubmittedPart('$part');\"
+                       type=\"radio\"
+                       name=\"HWVAL_$Apache::inputtags::response['-1']\"
+                       value=\"$temp\" ";
 		    if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
 		    $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}.
 			'</label>';
@@ -508,7 +527,11 @@ sub displayfoils {
 	    }
 	    if ($target ne 'tex') { 
                 $result.= '<label>';
-		$result.="<input type=\"radio\" name=\"HWVAL_$Apache::inputtags::response['-1']\" value=\"$temp\" ";
+		$result.=
+		    "<input type=\"radio\"
+                            onchange=\"javascript:setSubmittedPart('$part');\"
+                            name=\"HWVAL_$Apache::inputtags::response['-1']\"
+                            value=\"$temp\" ";
 		if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
 		$result .= ' />'.$Apache::response::foilgroup{$name.'.text'}."</label>";
 	    } else {