--- loncom/interface/lonmsgdisplay.pm	2006/06/12 22:55:23	1.31
+++ loncom/interface/lonmsgdisplay.pm	2006/06/29 13:52:19	1.35
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Routines for messaging display
 #
-# $Id: lonmsgdisplay.pm,v 1.31 2006/06/12 22:55:23 albertel Exp $
+# $Id: lonmsgdisplay.pm,v 1.35 2006/06/29 13:52:19 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -217,7 +217,7 @@ sub movemsg {
 # Copy message
     my %message=&Apache::lonnet::get('nohist_email'.$srcsuffix,[$msgid]);
     if (!exists($message{$msgid}) || $message{$msgid} eq '') {
-	if (&Apache::slotrequest::network_error(%message)) {
+	if (&Apache::lonnet::error(%message)) {
 	    return (0,&mt('Message not moved, A network error occurred.'));
 	} else {
 	    return (0,&mt('Message not moved as the message is no longer in the source folder.'));
@@ -226,7 +226,7 @@ sub movemsg {
 
     my $result =&Apache::lonnet::put('nohist_email'.$trgsuffix,
 				     {$msgid => $message{$msgid}});
-    if (&Apache::slotrequest::network_error($result)) {
+    if (&Apache::lonnet::error($result)) {
 	return (0,&mt('Message not moved, A network error occurred.'));
     }
 
@@ -234,12 +234,12 @@ sub movemsg {
     unless ($trgfolder eq 'trash') {
        	my %status=&Apache::lonnet::get('email_status'.$srcsuffix,[$msgid]);
 	# a non-existant status is the mark of an unread msg
-	if (&Apache::slotrequest::network_error(%status)) {
+	if (&Apache::lonnet::error(%status)) {
 	    return (0,&mt('Message copied to new folder but status was not, A network error occurred.'));
 	}
 	my $result=&Apache::lonnet::put('email_status'.$trgsuffix,
 					{$msgid => $status{$msgid}});
-	if (&Apache::slotrequest::network_error($result)) {
+	if (&Apache::lonnet::error($result)) {
 	    return (0,&mt('Message copied to new folder but status was not, A network error occurred.'));
 	}
     }
@@ -249,10 +249,10 @@ sub movemsg {
 	&Apache::lonnet::del('nohist_email'.$srcsuffix,[$msgid]);
     my $result_del_stat =
 	&Apache::lonnet::del('email_status'.$srcsuffix,[$msgid]);
-    if (&Apache::slotrequest::network_error($result_del_msg)) {
+    if (&Apache::lonnet::error($result_del_msg)) {
 	return (0,&mt('Message copied, but unable to delete the original from the source folder.'));
     }
-    if (&Apache::slotrequest::network_error($result_del_stat)) {
+    if (&Apache::lonnet::error($result_del_stat)) {
 	return (0,&mt('Message copied, but unable to delete the original status from the source folder.'));
     }
 
@@ -976,10 +976,7 @@ $content{'sendername'}.':'.
      }
     # Check to see if there were any messages.
     if ($result eq '') {
-        my $lctype = 'course';
-        if (defined($env{'course.'.$env{'request.course.id'}.'.type'})) {
-            $lctype = lc($env{'course.'.$env{'request.course.id'}.'.type'});
-        }
+        my $lctype = lc(&Apache::loncommon::course_type());
 	if ($target ne 'tex') { 
 	    $r->print("<p><b>".&mt('No notes, face-to-face discussion records, critical messages, or broadcast messages in this [_1].',$lctype)."</b></p>");
 	} else {
@@ -1012,12 +1009,9 @@ sub facetoface {
 	$r->print('Not allowed');
 	return;
     }
-    my $crstype = 'Course';
-    my $leaders = 'faculty and staff';
-    if (defined($env{'course.'.$env{'request.course.id'}.'.type'})) {
-        $crstype = $env{'course.'.$env{'request.course.id'}.'.type'};
-        $leaders = 'coordinators and leaders';
-    }
+    my $crstype = &Apache::loncommon::course_type();
+    my $leaders = ($crstype eq 'Group') ? 'coordinators and leaders'
+                                        : 'faculty and staff';
     &printheader($r,
 		 '/adm/email?recordftf=query',
 		 "User Notes, Face-to-Face, Critical Messages, Broadcast Messages");
@@ -1092,10 +1086,8 @@ sub examblock {
 	$r->print('Not allowed');
 	return;
     }
-    my $usertype = 'students';
-    if ($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Group') {
-        $usertype = 'members';
-    }
+    my $usertype = (&Apache::loncommon::course_type() eq 'Group') ? 'members'
+	                                                          : 'students';
     my %lt=&Apache::lonlocal::texthash(
             'comb' => 'Communication Blocking',
             'cbds' => 'Communication blocking during scheduled exams',
@@ -1431,10 +1423,7 @@ sub displaymessage {
     my $startblock = 0;
     my $endblock = 0;
     my $numblocked = 0;
-    my $crstype = 'Course';
-    if (defined($env{'course.'.$env{'request.course.id'}.'.type'})) {
-        $crstype = $env{'course.'.$env{'request.course.id'}.'.type'};
-    }
+    my $crstype = &Apache::loncommon::course_type();
 
 # info to generate "next" and "previous" buttons and check if message is blocked
     &blockcheck(\%setters,\$startblock,\$endblock);
@@ -1652,12 +1641,13 @@ sub sendoffmail {
 	    &statuschange($msgid,'replied',$folder);
 	}
 
-	my $to = $env{'form.selectedusers.forminput'};
+	my @to =
+	    &Apache::loncommon::get_env_multiple('form.selectedusers.forminput');
 	my $mode = $env{'form.sendmode'};
 
 	my %toaddr;
-	if ($to) {
-	    foreach my $dest (@$to) {
+	if (@to) {
+	    foreach my $dest (@to) {
 		my ($user,$domain) = split(/:/, $dest);
 		if (($user ne '') && ($domain ne '')) {
 		    my $address = $user.":".$domain; # How the code below expects it.