--- loncom/homework/chemresponse.pm	2005/05/26 21:26:25	1.56
+++ loncom/homework/chemresponse.pm	2005/06/27 10:58:40	1.58
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # chemical equation style response
 #
-# $Id: chemresponse.pm,v 1.56 2005/05/26 21:26:25 albertel Exp $
+# $Id: chemresponse.pm,v 1.58 2005/06/27 10:58:40 foxr Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -81,6 +81,12 @@ JMESECTION
     }
 
     if ($molecule) { $molecule='<param name="jme" value="'.$molecule.'" />'; }
+    my $insert_answer;
+    if ($shown_text ne '') { 
+	$insert_answer=
+	    '<input type="button" name="submit" value="Insert Answer" onclick="javascript:submitSmiles();" />';
+    }
+
     my $body=<<CHEMPAGE;
 <html>
 <head>
@@ -110,11 +116,11 @@ $molecule
 </applet><br />
 <font face="arial,helvetica,sans-serif" size="-1"><a href="http://www.molinspiration.com/jme/index.html">JME Editor</a> courtesy of Peter Ertl, Novartis</font>
 <form>
-<input type="button" name="submit" value="Insert Answer" onclick = "submitSmiles();" />
+$insert_answer
 <br />
-<input type="button" value="  Close  " onclick = "window.close()" />
+<input type="button" value="  Close  " onclick = "javascript:window.close()" />
 &nbsp;&nbsp;
-<input type="button" value="  Help  " onclick = "openHelpWindow()" />
+<input type="button" value="  Help  " onclick = "javascript:openHelpWindow()" />
 </form>
 </center>
 </body>
@@ -286,7 +292,11 @@ sub start_organicstructure {
 	    'cgi.'.$id.'.WIDTH' => $width );
     } elsif ($target eq 'tex') {
 	my $texwidth=&Apache::lonxml::get_param('texwidth',$parstack,$safeeval,undef,1);
+	my $webwidth=&Apache::lonxml::get_param('width', $parstack, $safeeval);
+	my $webheight=&Apache::lonxml::get_param('height', $parstack, $safeeval);
+	if ($webheight) { $webheight = $webwidth; }
 	if (!$texwidth) { $texwidth='90'; }
+	$result = "%DYNAMICIMAGE:$webwidth:$webheight:$texwidth\n";
 	my $molecule=&Apache::lonxml::get_param('molecule',$parstack,$safeeval);
 	my $options=&Apache::lonxml::get_param('options',$parstack,$safeeval);
 	my $filename = $env{'user.name'}.'_'.$env{'user.domain'}.
