--- loncom/lonnet/perl/lonnet.pm	2012/08/01 04:56:54	1.1172.2.8
+++ loncom/lonnet/perl/lonnet.pm	2012/07/05 19:27:27	1.1179
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.1172.2.8 2012/08/01 04:56:54 raeburn Exp $
+# $Id: lonnet.pm,v 1.1179 2012/07/05 19:27:27 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -75,6 +75,8 @@ use LWP::UserAgent();
 use HTTP::Date;
 use Image::Magick;
 
+use Encode;
+
 use vars qw(%perlvar %spareid %pr %prp $memcache %packagetab $tmpdir
             $_64bit %env %protocol %loncaparevs %serverhomeIDs %needsrelease
             %managerstab);
@@ -97,6 +99,7 @@ use File::MMagic;
 use LONCAPA qw(:DEFAULT :match);
 use LONCAPA::Configuration;
 use LONCAPA::lonmetadata;
+use LONCAPA::Lond;
 
 use File::Copy;
 
@@ -1383,8 +1386,8 @@ sub check_loadbalancing {
             $is_balancer = 0;
             if ($uname ne '' && $udom ne '') {
                 if (($env{'user.name'} eq $uname) && ($env{'user.domain'} eq $udom)) {
-
-                    &appenv({'user.loadbalexempt'     => $lonhost,
+                    
+                    &appenv({'user.loadbalexempt'     => $lonhost,  
                              'user.loadbalcheck.time' => time});
                 }
             }
@@ -2582,10 +2585,11 @@ sub ssi {
 
     $request->header(Cookie => $ENV{'HTTP_COOKIE'});
     my $response= $ua->request($request);
+    my $content = Encode::decode_utf8($response->content);
     if (wantarray) {
-	return ($response->content, $response);
+	return ($content, $response);
     } else {
-	return $response->content;
+	return $content;
     }
 }
 
@@ -9812,41 +9816,6 @@ sub devalidate_slots_cache {
     &devalidate_cache_new('allslots',$hashid);
 }
 
-sub get_coursechange {
-    my ($cdom,$cnum) = @_;
-    if ($cdom eq '' || $cnum eq '') {
-        return unless ($env{'request.course.id'});
-        $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
-        $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
-    }
-    my $hashid=$cdom.'_'.$cnum;
-    my ($change,$cached)=&is_cached_new('crschange',$hashid);
-    if ((defined($cached)) && ($change ne '')) {
-        return $change;
-    } else {
-        my %crshash;
-        %crshash = &get('environment',['internal.contentchange'],$cdom,$cnum);
-        if ($crshash{'internal.contentchange'} eq '') {
-            $change = $env{'course.'.$cdom.'_'.$cnum.'.internal.created'};
-            if ($change eq '') {
-                %crshash = &get('environment',['internal.created'],$cdom,$cnum);
-                $change = $crshash{'internal.created'};
-            }
-        } else {
-            $change = $crshash{'internal.contentchange'};
-        }
-        my $cachetime = 600;
-        &do_cache_new('crschange',$hashid,$change,$cachetime);
-    }
-    return $change;
-}
-
-sub devalidate_coursechange_cache {
-    my ($cnum,$cdom)=@_;
-    my $hashid=$cnum.':'.$cdom;
-    &devalidate_cache_new('crschange',$hashid);
-}
-
 # ------------------------------------------------- Update symbolic store links
 
 sub symblist {