--- loncom/xml/scripttag.pm	2011/12/23 18:34:11	1.163
+++ loncom/xml/scripttag.pm	2012/02/05 23:00:06	1.165
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # <script> definiton
 #
-# $Id: scripttag.pm,v 1.163 2011/12/23 18:34:11 www Exp $
+# $Id: scripttag.pm,v 1.165 2012/02/05 23:00:06 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -126,6 +126,38 @@ sub start_script {
       if ($target ne "meta" && $target ne 'tex' && $target ne 'answer') {
 	  $result = $token->[4];
 	  $result.=$bodytext;
+          if ($type eq "text/javascript") {
+              my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
+              if (($src =~ /\.js$/) && ($src !~ m{^(/|https?://)})) {
+                  my ($path,$scriptname) = ($src =~ m{^(.+)/([^/]*)$});
+                  my $docuri =
+                      $Apache::lonnet::env{'request.noversionuri'};
+                  my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+                  my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+                  if ($docuri =~ m{^(\Q/uploaded/$cdom/$cnum\E)/(docs/.*/)[^/]+$}) {
+                      my $prefix = $1;
+                      my $relpath = $2;
+                      my $cleanrelpath;
+                      foreach my $dir (split(/\//,$relpath.$path)) {
+                          next if ($dir eq '.');
+                          if ($dir eq '..') {
+                              $cleanrelpath =~ s{([^/]+/)$}{};
+                          } else {
+                              $cleanrelpath .= $dir.'/';
+                          }
+                      }
+                      $cleanrelpath =~ s{/$}{};
+                      if ($cleanrelpath ne '') {
+                          $src = $prefix.'/'.$cleanrelpath.'/'.$scriptname;
+                      } else {
+                          $src = $prefix.'/'.$scriptname;
+                      }
+                      if ($src ne '') {
+                          &Apache::lonxml::extlink($src);
+                      }
+                  }
+              }
+          }
       }
   }
   return $result;
@@ -287,12 +319,19 @@ sub start_window {
     if ($target eq 'web' || $target eq 'webgrade') {
 	&Apache::lonxml::startredirection;
     } elsif ($target eq 'tex') {
-	$result = '\unskip\footnote{';
+        my $printtext=&Apache::lonxml::get_param('printtext',$parstack,$safeeval);
+        if ($printtext=~/\w/) {
+# If printtext is given, do not output any intervening information
+           &Apache::lonxml::startredirection;
+        } else {
+           $result = '\unskip\footnote{';
+        }
     } elsif ($target eq 'edit') {
 	$result.=&Apache::edit::tag_start($target,$token);
 	$result.=&Apache::edit::text_arg('Text of Link:','linktext',$token,70);
 	$result.=&Apache::edit::text_arg('Height:','height',$token,5);
 	$result.=&Apache::edit::text_arg('Width:','width',$token,5);
+        $result.=&Apache::edit::text_arg('Printed text (optional):','printtext',$token,20);
 	$result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
     } elsif ($target eq 'modified') {
 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
@@ -317,7 +356,15 @@ sub end_window {
     $result=&Apache::loncommon::modal_adhoc_window
            ("LONCAPA_newwindow_$Apache::lonxml::curdepth",$width,$height,$output,$linktext);
   } elsif ($target eq 'tex') {
-      $result = '}';
+      my $printtext=&Apache::lonxml::get_param('printtext',$parstack,$safeeval);
+      if ($printtext=~/\w/) {
+# If a "printtext" is given, proceed to retrieve all intervening information and trash it
+         my $output=&Apache::lonxml::endredirection;
+# Use printtext instead
+         $result=$printtext;
+      } else {
+         $result='}';
+      }
   } else {
       $result = '';
   }