--- loncom/xml/scripttag.pm	2015/01/19 15:36:16	1.173
+++ loncom/xml/scripttag.pm	2015/04/06 16:27:12	1.174
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # <script> definiton
 #
-# $Id: scripttag.pm,v 1.173 2015/01/19 15:36:16 goltermann Exp $
+# $Id: scripttag.pm,v 1.174 2015/04/06 16:27:12 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -679,12 +679,14 @@ sub end_storetc {
 
 sub start_physnet {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
-    my $bodytext = '/adm/includes/physnet.sty';
+    my $bodytext = '/res/adm/includes/physnet.sty';
     my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
     my $cbistyletext=&Apache::lonnet::getfile($location);
 
     %$style = (%$style,&Apache::style::styleparser($target,$cbistyletext));
-    $$parser['-1']->unget_token($token);
+    if (keys(%$style) && (($target eq 'web') || ($target eq 'tex'))) {
+        $$parser['-1']->unget_token($token);
+    }
 #    if ( defined($$style{'physnet'}) ) {
 #        &Apache::lonxml::newparser($parser,\$$style{'physnet'});
 #    }