--- loncom/xml/lonxml.pm	2007/05/31 04:15:59	1.447
+++ loncom/xml/lonxml.pm	2007/08/03 23:29:54	1.449
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # XML Parser Module 
 #
-# $Id: lonxml.pm,v 1.447 2007/05/31 04:15:59 albertel Exp $
+# $Id: lonxml.pm,v 1.449 2007/08/03 23:29:54 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -125,6 +125,9 @@ $evaluate = 1;
 # stores the list of active tag namespaces
 @namespace=();
 
+# stores all Scrit Vars displays for later showing
+my @script_var_displays=();
+
 # a pointer the the Apache request object
 $Apache::lonxml::request='';
 
@@ -316,13 +319,14 @@ sub xmlparse {
 	     }
 	 }
      }
- } elsif ($env{'construct.style'} && ($env{'request.state'} eq 'construct')) {
+ } elsif ($env{'construct.style'}
+	  && ($env{'request.state'} eq 'construct')) {
      my $location=&Apache::lonnet::filelocation('',$env{'construct.style'});
      my $styletext=&Apache::lonnet::getfile($location);
-       if ($styletext ne '-1') {
-          %style_for_target = (%style_for_target,
-                          &Apache::style::styleparser($target,$styletext));
-      }
+     if ($styletext ne '-1') {
+	 %style_for_target = (%style_for_target,
+			      &Apache::style::styleparser($target,$styletext));
+     }
  }
 #&printalltags();
  my @pars = ();
@@ -357,6 +361,11 @@ sub xmlparse {
 
  &clean_safespace($safeeval);
 
+ if (@script_var_displays) {
+     $finaloutput .= join('',@script_var_displays);
+     undef(@script_var_displays);
+ }
+
  if ($env{'form.return_only_error_and_warning_counts'}) {
      return "$errorcount:$warningcount";
  }
@@ -620,6 +629,7 @@ sub setup_globals {
   &init_counter();
   @Apache::lonxml::pwd=();
   @Apache::lonxml::extlinks=();
+  @script_var_displays=();
   @Apache::lonxml::ssi_info=();
   $Apache::lonxml::post_evaluate=1;
   $Apache::lonxml::warnings_error_header='';
@@ -958,8 +968,8 @@ sub decreasedepth {
 sub get_id {
     my ($parstack,$safeeval)=@_;
     my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
-    if ($env{'request.state'} eq 'construct' && $id =~ /(\.|_)/) {
-	&error(&mt("IDs are not allowed to contain &quot;<tt>_</tt>&quot; or &quot;<tt>.</tt>&quot;"));
+    if ($env{'request.state'} eq 'construct' && $id =~ /([._]|[^\w\d\s[:punct:]])/) {
+	&error(&mt("ID &quot;[_1]&quot; contains invalid characters, IDs are only allowed to contain letters, numbers, spaces and -",'<tt>'.$id.'</tt>'));
     }
     if ($id =~ /^\s*$/) { $id = $Apache::lonxml::curdepth; }
     return $id;
@@ -1254,6 +1264,12 @@ sub do_registered_ssi {
 	&Apache::lonnet::ssi($url,%form);
     }
 }
+
+sub add_script_result {
+    my ($display) = @_;
+    push(@script_var_displays, $display);
+}
+
 #
 # Afterburner handles anchors, highlights and links
 #