--- loncom/homework/lonhomework.pm	2006/10/02 20:44:31	1.259
+++ loncom/homework/lonhomework.pm	2006/10/17 15:11:11	1.261
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Homework handler
 #
-# $Id: lonhomework.pm,v 1.259 2006/10/02 20:44:31 albertel Exp $
+# $Id: lonhomework.pm,v 1.261 2006/10/17 15:11:11 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -393,7 +393,7 @@ sub check_access {
     &Apache::lonxml::debug("checking for part :$id:");
     &Apache::lonxml::debug("time:".time);
 
-    my ($symb)=&Apache::lonxml::whichuser();
+    my ($symb)=&Apache::lonnet::whichuser();
     &Apache::lonxml::debug("symb:".$symb);
     #if ($env{'request.state'} ne "construct" && $symb ne '') {
     if ($env{'request.state'} ne "construct") {
@@ -604,7 +604,7 @@ sub setuppermissions {
 
     if ($Apache::lonhomework::browse eq 'F' && 
 	$env{'form.devalidatecourseresdata'} eq 'on') {
-	my (undef,$courseid) = &Apache::lonxml::whichuser();
+	my (undef,$courseid) = &Apache::lonnet::whichuser();
 	&Apache::lonnet::devalidatecourseresdata($env{"course.$courseid.num"},
 					      $env{"course.$courseid.domain"});
     }
@@ -885,9 +885,16 @@ sub renderpage {
 	my $problem=&Apache::lonnet::getfile($file);
 	my $result;
 	if ($problem eq -1) {
-	    my $filename=(split('/',$file))[-1];
-	    $result.="<b> ".&mt('Unable to find')." <i>$filename</i></b>";
 	    $problem='';
+	    my $filename=(split('/',$file))[-1];
+	    my $error =
+		"<b> ".&mt('Unable to find [_1]',
+			   ' <span class="LC_filename">'.$filename.'</span>')
+		."</b>";
+	    $result.=
+		&Apache::loncommon::simple_error_page($request,'Not available',
+						      $error);
+	    return;
 	}
 
 	my %mystyle;
@@ -1041,7 +1048,7 @@ sub handler {
     }
     &Apache::lonxml::debug("Permissions:$Apache::lonhomework::browse:$Apache::lonhomework::viewgrades:$Apache::lonhomework::modifygrades:$Apache::lonhomework::queuegrade");
     &Apache::lonxml::debug("Problem Mode ".$env{'form.problemmode'});
-    my ($symb) = &Apache::lonxml::whichuser();
+    my ($symb) = &Apache::lonnet::whichuser();
     &Apache::lonxml::debug('symb is '.$symb);
     if ($env{'request.state'} eq "construct") {
 	if ( -e $file ) {