--- loncom/interface/loncommon.pm	2013/04/11 14:59:48	1.1120
+++ loncom/interface/loncommon.pm	2013/04/11 15:30:37	1.1121
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.1120 2013/04/11 14:59:48 bisitz Exp $
+# $Id: loncommon.pm,v 1.1121 2013/04/11 15:30:37 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -2191,7 +2191,7 @@ sub select_level_form {
 
 =pod
 
-=item * &select_dom_form($defdom,$name,$includeempty,$showdomdesc,$onchange,$incdoms)
+=item * &select_dom_form($defdom,$name,$includeempty,$showdomdesc,$onchange,$incdoms,$excdoms)
 
 Returns a string containing a <select name='$name' size='1'> form to 
 allow a user to select the domain to preform an operation in.  
@@ -2204,25 +2204,31 @@ If the $showdomdesc flag is set, the dom
 
 The optional $onchange argument specifies what should occur if the domain selector is changed, e.g., 'this.form.submit()' if the form is to be automatically submitted.
 
-The optional $incdoms is a reference to an array of domains which will be the only available options. 
+The optional $incdoms is a reference to an array of domains which will be the only available options.
+
+The optional $excdoms is a reference to an array of domains which will be excluded from the available options.
 
 =cut
 
 #-------------------------------------------
 sub select_dom_form {
-    my ($defdom,$name,$includeempty,$showdomdesc,$onchange,$incdoms) = @_;
+    my ($defdom,$name,$includeempty,$showdomdesc,$onchange,$incdoms,$excdoms) = @_;
     if ($onchange) {
         $onchange = ' onchange="'.$onchange.'"';
     }
-    my @domains;
+    my (@domains,%exclude);
     if (ref($incdoms) eq 'ARRAY') {
         @domains = sort {lc($a) cmp lc($b)} (@{$incdoms});
     } else {
         @domains = sort {lc($a) cmp lc($b)} (&Apache::lonnet::all_domains());
     }
     if ($includeempty) { @domains=('',@domains); }
+    if (ref($excdoms) eq 'ARRAY') {
+        map { $exclude{$_} = 1; } @{$excdoms}; 
+    }
     my $selectdomain = "<select name=\"$name\" size=\"1\"$onchange>\n";
     foreach my $dom (@domains) {
+        next if ($exclude{$dom});
         $selectdomain.="<option value=\"$dom\" ".
             ($dom eq $defdom ? 'selected="selected" ' : '').'>'.$dom;
         if ($showdomdesc) {
@@ -8414,7 +8420,7 @@ sub get_course_users {
                               active   => 'Active',
                               future   => 'Future',
                             );
-        my %nothide;
+        my (%nothide,@possdoms);
         if ($hidepriv) {
             my %coursehash=&Apache::lonnet::coursedescription($cdom.'_'.$cnum);
             foreach my $user (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) {
@@ -8424,6 +8430,10 @@ sub get_course_users {
                     $nothide{$user} = 1;
                 }
             }
+            my @possdoms = ($cdom);
+            if ($coursehash{'checkforpriv'}) {
+                push(@possdoms,split(/,/,$coursehash{'checkforpriv'}));
+            }
         }
         foreach my $person (sort(keys(%coursepersonnel))) {
             my $match = 0;
@@ -8459,7 +8469,7 @@ sub get_course_users {
                 }
                 if ($uname ne '' && $udom ne '') {
                     if ($hidepriv) {
-                        if ((&Apache::lonnet::privileged($uname,$udom)) &&
+                        if ((&Apache::lonnet::privileged($uname,$udom,\@possdoms)) &&
                             (!$nothide{$uname.':'.$udom})) {
                             next;
                         }
@@ -13546,6 +13556,7 @@ sub construct_course {
                    'pch.users.denied',
                    'plc.users.denied',
                    'hidefromcat',
+                   'checkforpriv',
                    'categories'],
                    $$crsudom,$$crsunum);
     }
@@ -13602,6 +13613,11 @@ sub construct_course {
 # do not hide course coordinator from staff listing, 
 # even if privileged
     $cenv{'nothideprivileged'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
+# add course coordinator's domain to domains to check for privileged users
+# if different to course domain
+    if ($$crsudom ne $args->{'ccdomain'}) {
+        $cenv{'checkforpriv'} = $args->{'ccdomain'};
+    }
 # add crosslistings
     if ($args->{'crsxlist'}) {
         $cenv{'internal.crosslistings'}='';