--- loncom/interface/spreadsheet/assesscalc.pm	2005/05/15 02:19:49	1.42
+++ loncom/interface/spreadsheet/assesscalc.pm	2005/05/15 02:28:23	1.43
@@ -1,5 +1,5 @@
 #
-# $Id: assesscalc.pm,v 1.42 2005/05/15 02:19:49 albertel Exp $
+# $Id: assesscalc.pm,v 1.43 2005/05/15 02:28:23 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -746,7 +746,7 @@ sub compute {
     }
     #
     # Get the students performance data
-    $self->determine_parts(exists($parameters{'parameter_0_hiddenparts'}));
+    $self->determine_parts(($parameters{'parameter_0_hiddenparts'} ne ''));
     my %student_parameters = $self->get_problem_state();
     while (my ($parm,$value) = each(%student_parameters)) {
         $parm =~ s/^resource\./stores_/;