--- loncom/homework/chemresponse.pm	2010/02/28 23:35:53	1.87
+++ loncom/homework/chemresponse.pm	2013/01/15 18:09:43	1.91
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # chemical equation style response
 #
-# $Id: chemresponse.pm,v 1.87 2010/02/28 23:35:53 raeburn Exp $
+# $Id: chemresponse.pm,v 1.91 2013/01/15 18:09:43 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -116,7 +116,7 @@ CHEMJS
 					'bgcolor'   => '#FFFFFF',});
     my $end_page =
  	&Apache::loncommon::end_page({'js_ready' => 1,});
-	
+    my $java_not_enabled=&Apache::lonhtmlcommon::java_not_enabled();
     my $body=<<CHEMPAGE;
 $js
 <center>
@@ -143,7 +143,7 @@ $js
     </td></tr>
   </table>
 <applet code="JME.class" name="JME" archive="/adm/jme/JME.jar" width="440" height="390" mayscript>
-You have to enable Java and JavaScript on your machine.
+$java_not_enabled
 $molecule
 <param name="options" value="$options" />
 </applet><br />
@@ -165,7 +165,7 @@ CHEMPAGE
     if (defined($shown_text)) { $display=&mt($shown_text); }
     my $iconpath=$Apache::lonnet::perlvar{'lonIconsURL'};
     my $function = 
-	'LONCAPA_draw_molecule_'.&Apache::lonhtmlcommon::get_uniq_name();
+	'LONCAPA_draw_molecule_'.&get_uniq_name();
     my $result=<<CHEMINPUT;
 <script type="text/javascript">
     function $function() {
@@ -337,8 +337,8 @@ sub end_organicresponse {
 
     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || 
 	$target eq 'tex' || $target eq 'analyze') {
-	&Apache::lonxml::increment_counter(&Apache::response::repetition(), 
-					   "$partid.$id"); # part.response
+        my $repetition = &Apache::response::repetition();
+	&Apache::lonxml::increment_counter($repetition,"$partid.$id"); # part.response
 	if ($target eq 'analyze') {
             $Apache::lonhomework::analyze{"$partid.$id.type"} = 'organicresponse';
             push (@{ $Apache::lonhomework::analyze{"parts"} },"$partid.$id");
@@ -417,7 +417,8 @@ sub start_organicstructure {
 	$id=&escape($id);
 	&Apache::lonxml::register_ssi("/cgi-bin/convertjme.pl?$id");
 	if ($options =~ /border/) { $result.= '\fbox{'; }
-	$result .= '\graphicspath{{/home/httpd/perl/tmp/}}\includegraphics[width='.$texwidth.' mm]{'.$filename.'.eps}';
+	$result .= '\graphicspath{{'.LONCAPA::tempdir().
+	    '}}\includegraphics[width='.$texwidth.' mm]{'.$filename.'.eps}';
 	if ($options =~ /border/) { $result.= '} '; }
     } elsif ($target eq 'edit') {
 	$result .=&Apache::edit::tag_start($target,$token);
@@ -598,7 +599,8 @@ sub end_reactionresponse {
 
     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || 
 	$target eq 'tex' || $target eq 'analyze') {
-	&Apache::lonxml::increment_counter(&Apache::response::repetition(), "$partid.$id");
+	my $repetition = &Apache::response::repetition();
+        &Apache::lonxml::increment_counter($repetition,"$partid.$id");
         if ($target eq 'analyze') {
             $Apache::lonhomework::analyze{"$partid.$id.type"} = 'reactionresponse';
             push (@{ $Apache::lonhomework::analyze{"parts"} },"$partid.$id");
@@ -642,5 +644,11 @@ sub end_chem {
     return $result;
 }
 
+my $uniq=0;
+sub get_uniq_name {
+    $uniq++;
+    return 'uniquename'.$uniq;
+}
+
 1;
 __END__