--- rat/lonratedt.pm	2004/04/26 16:56:26	1.57
+++ rat/lonratedt.pm	2004/04/26 17:50:37	1.58
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Edit Handler for RAT Maps
 #
-# $Id: lonratedt.pm,v 1.57 2004/04/26 16:56:26 www Exp $
+# $Id: lonratedt.pm,v 1.58 2004/04/26 17:50:37 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -187,8 +187,10 @@ sub mapread {
     undef @links;
     undef @resources;
     undef @order;
+    undef @resparms;
     @resources=('');
     @order=();
+    @resparms=();
 
     my ($outtext,$errtext)=&Apache::lonratsrv::loadmap($fn,'');
     if ($errtext) { return ($errtext,2); }
@@ -574,7 +576,7 @@ sub delparameter {
 }
 
 sub getparameter {
-    my ($to,$name);
+    my ($to,$name)=@_;
     my $value=undef;
     my $ptype=undef;
     foreach (split('&&&',$resparms[$to])) {