Index: drraw.cgi
===================================================================
--- drraw.cgi	(revision 1532)
+++ drraw.cgi	(working copy)
@@ -2737,7 +2737,7 @@
             if ( defined($DSnames) && scalar(@{$DSnames}) > 0 ) {
                 foreach $ds ( @{$DSnames} ) {
                     my $filter = param('db_FILTER');
-                    next if ( $ds !~ /$filter/ );
+                    next if ( $filter ne '' && "$ds" !~ /$filter/ );
                     &DSNew($file, $ds, $cf);
                 }
             } else {