--- loncom/interface/lonhtmlcommon.pm	2020/09/02 00:42:52	1.358.2.18
+++ loncom/interface/lonhtmlcommon.pm	2021/12/13 22:03:32	1.358.2.19
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common html routines
 #
-# $Id: lonhtmlcommon.pm,v 1.358.2.18 2020/09/02 00:42:52 raeburn Exp $
+# $Id: lonhtmlcommon.pm,v 1.358.2.19 2021/12/13 22:03:32 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -3301,12 +3301,18 @@ PARAMSONE
         if (itemid != null) {
             itemh = itemid.offsetHeight;
         }
-        var primaryheight = document.getElementById('LC_nav_bar').offsetHeight;
-        var secondaryheight;
+        var primaryheight = 0;
+        if (document.getElementById('LC_nav_bar') != null) {
+            primaryheight = document.getElementById('LC_nav_bar').offsetHeight;
+        }
+        var secondaryheight = 0;
         if (document.getElementById('LC_secondary_menu') != null) { 
             secondaryheight = document.getElementById('LC_secondary_menu').offsetHeight;
         }
-        var crumbsheight = document.getElementById('LC_breadcrumbs').offsetHeight;
+        var crumbsheight = 0;
+        if (document.getElementById('LC_breadcrumbs') != null) {
+            crumbsheight = document.getElementById('LC_breadcrumbs').offsetHeight;
+        }
         var dccidheight = 0;
         if (document.getElementById('dccid') != null) {
             dccidheight = document.getElementById('dccid').offsetHeight;
@@ -3442,7 +3448,7 @@ sub jump_to_editres {
                 $anchor = $3;
                 $is_ext = 1;
                 if (($extlink !~ /^https:/) && ($ENV{'SERVER_PORT'} == 443)) {
-                    unless (&Apache::lonnet::uses_sts()) {
+                    unless ((&Apache::lonnet::uses_sts()) || (&Apache::lonnet::waf_allssl($hostname))) {
                         $usehttp = 1;
                     }
                 } elsif ($env{'request.use_absolute'}) {
@@ -3457,7 +3463,7 @@ sub jump_to_editres {
                         ($env{'course.'.$env{'request.course.id'}.'.num'} eq $cnum) &&
                         ($env{'course.'.$env{'request.course.id'}.'.domain'} eq $cdom)) {
                         if ($env{'course.'.$env{'request.course.id'}.'.externalsyllabus'} =~ m{^http://}) {
-                            unless (&Apache::lonnet::uses_sts()) {
+                            unless ((&Apache::lonnet::uses_sts()) || (&Apache::lonnet::waf_allssl($hostname))) {
                                 $usehttp = 1;
                             }
                         }