--- loncom/interface/longroupchat.pm	2006/05/18 01:08:50	1.6
+++ loncom/interface/longroupchat.pm	2006/05/18 17:58:14	1.7
@@ -26,10 +26,11 @@
 package Apache::longroupchat;
 
 use strict;
+use Apache::Constants qw(:common);
 use Apache::lonnet;
-use Apache::loncommon;
+use Apache::loncommon();
 use Apache::lonlocal;
-use Apache::longroup;
+use Apache::longroup();
 
 sub handler {
     my ($r) = @_;
@@ -48,6 +49,9 @@ sub handler {
         }
     }
 
+    &Apache::loncommon::content_type($r,'text/html');
+    $r->send_http_header;
+    return OK if $r->header_only;
     my $start_page =
 	&Apache::loncommon::start_page($grouptitle,undef,
 				       {'frameset'    => 1,