--- loncom/interface/spreadsheet/lonspreadsheet.pm	2003/11/11 15:48:03	1.28
+++ loncom/interface/spreadsheet/lonspreadsheet.pm	2004/02/24 20:52:20	1.35
@@ -1,5 +1,5 @@
 #
-# $Id: lonspreadsheet.pm,v 1.28 2003/11/11 15:48:03 matthew Exp $
+# $Id: lonspreadsheet.pm,v 1.35 2004/02/24 20:52:20 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -227,9 +227,12 @@ sub handler {
     }
     my $courseid = $ENV{'request.course.id'};
     #
-    # Do not allow students to continue if standard grading is in effect.
+    # Do not allow students to continue if standard or external grading is in
+    # effect.
+    #
     if ($ENV{'request.role'} =~ /^st\./) {
-        if ($ENV{'course.'.$courseid.'.grading'} eq 'standard') {
+        if ($ENV{'course.'.$courseid.'.grading'} eq 'standard' ||
+	    $ENV{'course.'.$courseid.'.grading'} eq 'external' ) {
             return HTTP_NOT_ACCEPTABLE;
         }
     }
@@ -253,10 +256,12 @@ sub handler {
     $symb = $ENV{'form.usymb'} if (exists($ENV{'form.usymb'}));
     my $name   = $ENV{'user.name'};
     my $domain = $ENV{'user.domain'};
-    if (exists($ENV{'form.sname'})) {
+    if (exists($ENV{'form.sname'}) && $ENV{'form.sname'} ne '') {
         $name   = $ENV{'form.sname'};
         $domain = $ENV{'form.sdomain'};
     }
+    $ENV{'form.sname'} = $name;
+    $ENV{'form.sdomain'} = $domain;
     ##
     ## Check permissions
     my $allowed_to_edit = &Apache::lonnet::allowed('mgr',
@@ -355,14 +360,22 @@ sub handler {
             editwin.close();
         }
 
-        editwin = window.open($nothing,'CellEditWin','height=280,width=480,scrollbars=no,resizeable=yes,alwaysRaised=yes,dependent=yes',true);
+        editwin = window.open($nothing,'CellEditWin','height=280,width=480,scrollbars=no,resizable=yes,alwaysRaised=yes,dependent=yes',true);
         editwin.document.write(edit_text);
     }
 //-->
 </script>
 ENDSCRIPT
     }
+    &Apache::lonhtmlcommon::clear_breadcrumbs();
+    &Apache::lonhtmlcommon::add_breadcrumb
+        ({href  => $r->uri,
+          title => &mt('Spreadsheet'),
+          text  => &mt('Spreadsheet'),
+          faq   => 134,
+          bug   => 'Spreadsheet'});
     $r->print('</head>'.&Apache::loncommon::bodytag('Grades Spreadsheet').
+              &Apache::lonhtmlcommon::breadcrumbs(undef,&mt('Spreadsheet')).
               '<form action="'.$r->uri.'" name="sheet" method="post">');
     $r->print(&hiddenfield('sname'  ,$ENV{'form.sname'}).
               &hiddenfield('sdomain',$ENV{'form.sdomain'}).
@@ -467,11 +480,9 @@ END
     $r->rflush();
     #
     $r->print("<table><tr>");
-    if ($sheettype eq 'classcalc') {
-        $r->print('<td><input type="submit" value="'.
-		  &mt('Generate Spreadsheet').'" />'.
-                  '</td>');
-    }
+    $r->print('<td><input type="submit" value="'.
+              &mt('Generate Spreadsheet').'" />'.
+              '</td>');
     if ($allowed_to_view) {
         $r->print('<td>'.
                   &Apache::loncommon::help_open_topic("Spreadsheet_About",