--- loncom/interface/lonmenu.pm	2020/02/18 23:10:53	1.502
+++ loncom/interface/lonmenu.pm	2020/10/06 21:28:33	1.503
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Routines to control the menu
 #
-# $Id: lonmenu.pm,v 1.502 2020/02/18 23:10:53 raeburn Exp $
+# $Id: lonmenu.pm,v 1.503 2020/10/06 21:28:33 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1909,6 +1909,7 @@ sub done_button_js {
                  key      => 'Key:',
                  nokey    => 'A proctor key is required', 
     );
+    my $shownsymb = &HTML::Entities::encode(&Apache::lonenc::check_encrypt($env{'request.symb'}));
     my $navmap = Apache::lonnavmaps::navmap->new(); 
     my ($missing,$tried) = (0,0);
     if (ref($navmap)) {
@@ -1971,6 +1972,7 @@ sub done_button_js {
 <form method="post" name="LCdoneButton" action="">
     <input type="hidden" name="LC_interval_done" value="" />
     <input type="hidden" name="LC_interval_done_proctorpass" value="" />
+    <input type="hidden" name="symb" value="$shownsymb" />
     <button id="LC_done-confirm-opener" type="button">$donebuttontext</button>
 </form>
 
@@ -2052,6 +2054,7 @@ END
 
 <form method="post" name="LCdoneButton" action="">
     <input type="hidden" name="LC_interval_done" value="" />
+    <input type="hidden" name="symb" value="$shownsymb" />
     <button id="LC_done-confirm-opener" type="button">$donebuttontext</button>
 </form>