--- loncom/auth/lonlogin.pm	2006/09/19 19:03:08	1.80
+++ loncom/auth/lonlogin.pm	2006/09/28 00:59:02	1.81
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Login Screen
 #
-# $Id: lonlogin.pm,v 1.80 2006/09/19 19:03:08 albertel Exp $
+# $Id: lonlogin.pm,v 1.81 2006/09/28 00:59:02 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -41,6 +41,16 @@ use lib '/home/httpd/lib/perl/';
 use LONCAPA;
  
 
+sub additional_machine_domains {
+    my @domains;
+    open(my $fh,"<".$Apache::lonnet::perlvar{'lonTabDir'}.'/expected_domains.tab');
+    while( my $line = <$fh>) {
+	$line =~ s/\s//g;
+	push(@domains,$line);
+    }
+    return @domains;
+}
+
 sub handler {
     my $r = shift;
 
@@ -130,7 +140,8 @@ ENDFAILED
                   $r->dir_config('lonIconsURL');
     my $domain  = $r->dir_config('lonDefDomain');
     my $testdomain=(split(/\./,$ENV{'HTTP_HOST'}))[0];
-    foreach my $posdom (&Apache::lonnet::current_machine_domains()) {
+    foreach my $posdom (&Apache::lonnet::current_machine_domains(),
+			&additional_machine_domains()) {
 	if (lc($posdom) eq lc($testdomain)) { $domain=$posdom; }
     }
     if (($env{'form.domain'}) &&