--- loncom/interface/Attic/londropadd.pm	2005/04/07 06:56:23	1.127
+++ loncom/interface/Attic/londropadd.pm	2005/04/19 03:58:23	1.129
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to drop and add students in courses 
 #
-# $Id: londropadd.pm,v 1.127 2005/04/07 06:56:23 albertel Exp $
+# $Id: londropadd.pm,v 1.129 2005/04/19 03:58:23 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1460,9 +1460,13 @@ END
                                           $name,$section]);
             my $col = 5;
             foreach my $time ($start,$end) {
-                $excel_sheet->write($row,$col++,
+                if (defined($time) && $time != 0) {
+                    $excel_sheet->write($row,$col++,
                                    &Apache::lonstathelpers::calc_serial($time),
                                     $format->{'date'});
+                } else {
+                    $excel_sheet->write($row,$col++,'none');
+                }                    
             }
             $excel_sheet->write($row,$col++,$status);
             $row++;
@@ -2208,12 +2212,7 @@ sub upfile_drop_add {
 sub drop_student_list {
     my $r=shift;
     my $count=0;
-    my @droplist;
-    if (ref($env{'form.droplist'})) {
-        @droplist = @{$env{'form.droplist'}};
-    } else {
-        @droplist = ($env{'form.droplist'});
-    }
+    my @droplist = &Apache::loncommon::get_env_multiple('form.droplist');
     foreach (@droplist) {
         my ($uname,$udom)=split(/\:/,$_);
         # drop student