--- loncom/xml/lonxml.pm	2011/05/27 19:07:25	1.519
+++ loncom/xml/lonxml.pm	2011/11/11 02:55:37	1.522
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # XML Parser Module 
 #
-# $Id: lonxml.pm,v 1.519 2011/05/27 19:07:25 raeburn Exp $
+# $Id: lonxml.pm,v 1.522 2011/11/11 02:55:37 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -112,6 +112,7 @@ use Apache::lonmaxima();
 use Apache::lonr();
 use Apache::lonlocal;
 use Apache::lonhtmlcommon();
+use Apache::functionplotresponse();
 
 #====================================   Main subroutine: xmlparse  
 
@@ -787,6 +788,11 @@ sub init_safespace {
   $safehole->wrap(\&Apache::lonnet::logthis,$safeeval,'&LONCAPA_INTERNAL_LOGTHIS');
   $safehole->wrap(\&Apache::inputtags::finalizeawards,$safeeval,'&LONCAPA_INTERNAL_FINALIZEAWARDS');
   $safehole->wrap(\&Apache::caparesponse::get_sigrange,$safeeval,'&LONCAPA_INTERNAL_get_sigrange');
+  $safehole->wrap(\&Apache::functionplotresponse::fpr_val,$safeeval,'&fpr_val');
+  $safehole->wrap(\&Apache::functionplotresponse::fpr_f,$safeeval,'&fpr_f');
+  $safehole->wrap(\&Apache::functionplotresponse::fpr_dfdx,$safeeval,'&fpr_dfdx');
+  $safehole->wrap(\&Apache::functionplotresponse::fpr_d2fdx2,$safeeval,'&fpr_d2fdx2');
+
 #  use Data::Dumper;
 #  $safehole->wrap(\&Data::Dumper::Dumper,$safeeval,'&LONCAPA_INTERNAL_Dumper');
 #need to inspect this class of ops
@@ -838,7 +844,8 @@ sub initialize_rndseed {
 sub default_homework_load {
     my ($safeeval)=@_;
     &Apache::lonxml::debug('Loading default_homework');
-    my $default=&Apache::lonnet::getfile('/home/httpd/html/res/adm/includes/default_homework.lcpm');
+    my $default=&Apache::lonnet::getfile($Apache::lonnet::perlvar{'lonIncludes'}.
+                                         '/default_homework.lcpm');
     if ($default eq -1) {
 	&Apache::lonxml::error("<b>Unable to find <i>default_homework.lcpm</i></b>");
     } else {
@@ -1008,7 +1015,7 @@ the current 'bubble line number' is stor
 The value of it is stored in $Apache:lonxml::counter when live and
 stored back to env after done.
 
-=item &increment_counter($increment);
+=item &increment_counter($increment, $part_response);
 
 Increments the internal counter environment variable a specified amount
 
@@ -1841,8 +1848,9 @@ sub debug {
 }
 
 sub show_error_warn_msg {
-    if ($env{'request.filename'} eq '/home/httpd/html/res/lib/templates/simpleproblem.problem' &&
-	&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
+    if (($env{'request.filename'} eq 
+         $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/lib/templates/simpleproblem.problem') &&
+        (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
 	return 1;
     }
     return (($Apache::lonxml::debug eq 1) ||