--- rat/lonwrapper.pm	2016/10/31 12:59:11	1.52
+++ rat/lonwrapper.pm	2016/11/29 19:53:58	1.54
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Wrapper for external and binary files as standalone resources
 #
-# $Id: lonwrapper.pm,v 1.52 2016/10/31 12:59:11 raeburn Exp $
+# $Id: lonwrapper.pm,v 1.54 2016/11/29 19:53:58 damieng Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -54,10 +54,14 @@ sub wrapper {
                                         );
 
     my $anchor;
-    if (($is_ext) && ($env{'form.symb'})) {
-        (undef,undef,my $res) = &Apache::lonnet::decode_symb($env{'form.symb'});
-        if ($res =~ /(#[^#]+)$/) {
-            $anchor = $1;
+    if ($is_ext) {
+        if ($env{'form.symb'}) {
+            (undef,undef,my $res) = &Apache::lonnet::decode_symb($env{'form.symb'});
+            if ($res =~ /(#[^#]+)$/) {
+                $anchor = $1;
+            }
+        } elsif ($env{'form.anchor'} ne '') {
+            $anchor = '#'.$env{'form.anchor'};
         }
     }
 
@@ -110,7 +114,7 @@ sub wrapper {
         my $script = &Apache::lonhtmlcommon::scripttag(<<SCRIPT);
         \$(document).ready( function() {
             \$(window).unbind('resize').resize(function(){
-                var header;
+                var header = null;
                 var offset = 5;
                 var height = 0;
                 var hdrtop = 0;
@@ -122,7 +126,7 @@ sub wrapper {
                         header = \$('#LC_breadcrumbs');
                     }
                 }
-                if (header.length) {
+                if (header != null && header.length) {
                     height = header.height();
                     hdrtop = header.position().top;
                 }
@@ -176,14 +180,20 @@ sub handler {
     }
     if (($is_ext) || ($exttool)) {
         &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
-            ['forceedit','register','folderpath','symb','idx','title']);
+            ['forceedit','register','folderpath','symb','idx','title','anchor']);
         if (($env{'form.forceedit'}) &&
             (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) &&
             (($env{'form.folderpath'} =~ /^supplemental/) ||
              ($env{'form.symb'} =~ /^uploaded/))) {
-            (undef,undef,my $res) = &Apache::lonnet::decode_symb($env{'form.symb'});
-            if ($res =~ /(#[^#]+)$/) {
-                 $url .= $1;
+            if ($env{'form.symb'}) {
+                (undef,undef,my $res) = &Apache::lonnet::decode_symb($env{'form.symb'});
+                if ($res =~ /(#[^#]+)$/) {
+                    $url .= $1;
+                }
+            } elsif ($env{'form.folderpath'} =~ /^supplemental/) {
+                if ($env{'form.anchor'} ne '') {
+                    $url .= '#'.$env{'form.anchor'};
+                }
             }
             my $type = 'ext';
             my %ltitools;