--- loncom/xml/lonxml.pm	2001/09/14 20:18:13	1.129
+++ loncom/xml/lonxml.pm	2001/10/03 12:34:10	1.133
@@ -14,6 +14,9 @@
 # 6/16 Gerd Kortemeyer
 # 7/27 H. K. Ng
 # 8/7,8/9,8/10,8/11,8/15,8/16,8/17,8/18,8/20,8/23,8/24 Gerd Kortemeyer
+# Guy Albertelli
+# 9/26 Gerd Kortemeyer
+
 
 package Apache::lonxml; 
 use vars 
@@ -216,16 +219,17 @@ sub maketoken {
 }
 
 sub printtokenheader {
-    my ($target,$token,$symb,$tuname,$tudom,$tcrsid)=@_;
+    my ($target,$token,$tsymb,$tcrsid,$tudom,$tuname)=@_;
     unless ($token) { return ''; }
 
-    unless ($symb) {
-	$symb=&Apache::lonnet::symbread();
+    my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
+    unless ($tsymb) {
+	$tsymb=$symb;
     }
     unless ($tuname) {
-	$tuname=$ENV{'user.name'};
-        $tudom=$ENV{'user.domain'};
-        $tcrsid=$ENV{'request.course.id'};
+	$tuname=$name;
+        $tudom=$domain;
+        $tcrsid=$courseid;
     }
 
     my %reply=&Apache::lonnet::get('environment',
@@ -260,6 +264,10 @@ sub fontsettings() {
 
 sub registerurl {
     my $forcereg=shift;
+    if ($ENV{'request.publicaccess'}) {
+	return 
+         '<script>function LONCAPAreg(){} function LONCAPAstale(){}</script>';
+    }
     if ($Apache::lonxml::registered && !$forcereg) { return ''; }
     $Apache::lonxml::registered=1;
     if (($ENV{'REQUEST_URI'}!~/^\/(res\/)*adm\//) || ($forcereg)) {
@@ -1091,7 +1099,25 @@ sub get_param {
   if ( ! $context ) { $context = -1; }
   my $args ='';
   if ( $#$parstack > (-2-$context) ) { $args=$$parstack[$context]; }
-  return &Apache::run::run("{$args;".'return $'.$param.'}',$safeeval); #'
+  if ( $args =~ /my \$$param=\"/ ) {
+    return &Apache::run::run("{$args;".'return $'.$param.'}',$safeeval); #'
+  } else {
+    return undef;
+  }
+}
+
+sub get_param_var {
+  my ($param,$parstack,$safeeval,$context) = @_;
+  if ( ! $context ) { $context = -1; }
+  my $args ='';
+  if ( $#$parstack > (-2-$context) ) { $args=$$parstack[$context]; }
+  if ( $args !~ /my \$$param=\"/ ) { return undef; }
+  my $value=&Apache::run::run("{$args;".'return $'.$param.'}',$safeeval); #'
+  if ($value =~ /^[\$\@\%]/) {
+    return &Apache::run::run("return $value",$safeeval,1);
+  } else {
+    return $value;
+  }
 }
 
 sub register_insert {