--- loncom/interface/spreadsheet/assesscalc.pm	2005/05/17 18:04:40	1.49
+++ loncom/interface/spreadsheet/assesscalc.pm	2006/05/15 23:44:46	1.51.2.1
@@ -1,5 +1,5 @@
 #
-# $Id: assesscalc.pm,v 1.49 2005/05/17 18:04:40 albertel Exp $
+# $Id: assesscalc.pm,v 1.51.2.1 2006/05/15 23:44:46 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -312,6 +312,7 @@ sub parmval {
     # This should be a 
     if (!defined($mapname) || !defined($id) || !defined($fn)) {
 	($mapname,$id,$fn)=&Apache::lonnet::decode_symb($symb);
+	$mapname = &Apache::lonnet::deversion($mapname);
     }
     # Cascading lookup scheme
     my $rwhat=$what;
@@ -631,6 +632,7 @@ sub get_parameter_values {
     if (tie(%parmhash,'GDBM_File',
             $self->{'coursefilename'}.'_parms.db',&GDBM_READER(),0640)) {
 	my ($mapname,$id,$fn)=&Apache::lonnet::decode_symb($self->{'symb'});
+	$mapname = &Apache::lonnet::deversion($mapname);
         foreach my $parmname (@Parameters) {
             my $value = $self->parmval($parmname,$self->{'symb'},
 				       $self->{'name'},$self->{'domain'},
@@ -703,15 +705,17 @@ sub parameter_part_is_valid {
         return 1;
     }
     #
-    my (undef,$part) = 
-        ($parameter =~ m/^(resource|stores|parameter)_([^_]+)_.*/);
-    if (exists($self->{'Parts'})          && 
-        exists($self->{'Parts'}->{$part}) &&
-        $self->{'Parts'}->{$part} ) {
-        return 1;
-    } else {
-        return 0;
+    my ($start,@pieces)=split('_',$parameter);
+    if ( $start !~ m/^(resource|stores|parameter)$/) { return 0; }
+    while (@pieces) {
+        pop(@pieces);
+        my $testpart=join('_',@pieces);
+	if (exists($self->{'Parts'}->{$testpart}) &&
+	    $self->{'Parts'}->{$testpart} ) {
+	    return 1;
+	}
     }
+    return 0;
 }
 
 sub compute {
@@ -789,6 +793,12 @@ sub compute {
         $value = 'q{'.$value.'}' if ($value =~/([^\d\.]|\.\.)/);
         $c{$parm} = $value;
     }
+    foreach my $cell (grep(/^A/,keys(%f))) {
+        # Clean out any bad formulas
+	next if (exists($c{$f{$cell}}));
+	next if ($cell eq 'A0');
+	delete($f{$cell});
+    }
     $self->formulas(\%f);
     $self->constants(\%c);
     $self->calcsheet();