--- rat/lonratsrv.pm	2001/11/29 19:23:49	1.16
+++ rat/lonratsrv.pm	2002/06/27 17:00:12	1.20
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Server for RAT Maps
 #
-# $Id: lonratsrv.pm,v 1.16 2001/11/29 19:23:49 www Exp $
+# $Id: lonratsrv.pm,v 1.20 2002/06/27 17:00:12 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -262,17 +262,19 @@ sub savemap {
            } elsif ($parts[0] eq 'objparms') {
                undef %alltypes;
                undef %allvalues;
-               map {
+               foreach (split(/:/,$parts[$#parts])) {
                    my ($type,$name,$value)=split(/\_\_\_/,$_);
                    $alltypes{$name}=$type;
                    $allvalues{$name}=$value;
-               } split(/:/,$parts[$#parts]);
-               map {
+               }
+               foreach (keys %allvalues) {
+                  if ($allvalues{$_} ne '') {
                    $outstr.='<param to="'.$parts[1].'" type="'
                           .$alltypes{$_}.'" name="'.$_
                           .'" value="'.$allvalues{$_}.'">'
                           ."</param>\n";
-               } keys %allvalues;
+	          }
+               }
            } elsif (($parts[0] ne '') && ($graphdef)) {
 # ------------------------------------------------------------- Graphical input
                $outstr.='<'.$parts[0];
@@ -290,7 +292,7 @@ sub savemap {
              print $fh $outstr;
              $errtext.="Map saved as $fn. ";
 	  } else {
-             $errtext.='Could not write file $fn. Map not saved. ';
+             $errtext.='Could not write file '.$fn.'.  Map not saved. ';
 	  }
         }
     } else {
@@ -316,6 +318,13 @@ sub handler {
   $url=~s/\/loadonly\/ratserver$/\/save\/ratserver/;
   
   my $fn=$r->filename;
+  my $lonDocRoot=$r->dir_config('lonDocRoot');
+  if ( $fn =~ /$lonDocRoot/ ) {
+      #internal authentication, needs fixup.
+      $fn = $url;
+      $fn=~s|^/~(\w+)|/home/$1/public_html|;
+      $fn=~s|/[^/]*/ratserver$||;
+  }
   my $errtext='';
   my $outtext='';