--- loncom/interface/lonnavmaps.pm	2002/09/03 20:46:30	1.47
+++ loncom/interface/lonnavmaps.pm	2002/09/05 19:47:29	1.48
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Navigate Maps Handler
 #
-# $Id: lonnavmaps.pm,v 1.47 2002/09/03 20:46:30 bowersj2 Exp $
+# $Id: lonnavmaps.pm,v 1.48 2002/09/05 19:47:29 bowersj2 Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -464,7 +464,7 @@ sub handler {
 	my $userprefix=$uname.'_'.$udom.'_';
 	
 	unless ($uhome eq 'no_host') { 
-# -------------------------------------------------------------- Get coursedata
+# ------------------------------------------------- Get coursedata (if present)
 	    unless ((time-$courserdatas{$cid.'.last_cache'})<240) {
 		my $reply=&Apache::lonnet::reply('dump:'.$cdom.':'.$cnum.
 						 ':resourcedata',$chome);
@@ -472,7 +472,8 @@ sub handler {
 		    $courserdatas{$cid}=$reply;
 		    $courserdatas{$cid.'.last_cache'}=time;
 		}
-		else
+		# check to see if network failed
+		elsif ( $reply=~/no.such.host/i || $reply=~/con.*lost/i )
 		{
 		    $networkFailedFlag = 1;
 		}