--- loncom/homework/lonhomework.pm	2003/06/16 21:32:43	1.135
+++ loncom/homework/lonhomework.pm	2003/09/15 18:43:53	1.141
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Homework handler
 #
-# $Id: lonhomework.pm,v 1.135 2003/06/16 21:32:43 www Exp $
+# $Id: lonhomework.pm,v 1.141 2003/09/15 18:43:53 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -50,7 +50,7 @@ use Apache::essayresponse();
 use Apache::externalresponse();
 use Apache::rankresponse();
 use Apache::matchresponse();
-#use Apache::chemresponse();
+use Apache::chemresponse();
 use Apache::Constants qw(:common);
 use HTML::Entities();
 use Apache::loncommon();
@@ -69,10 +69,14 @@ sub get_target {
     } elsif ( defined($ENV{'form.grade_target'}  ) 
 	 && ($Apache::lonhomework::viewgrades eq 'F' )) {
       return ($ENV{'form.grade_target'});
+    } elsif (defined($ENV{'form.grade_target'}  ) 
+	 && ($ENV{'form.grade_target'} eq 'answer')) {
+      return ($ENV{'form.grade_target'});
     }
  
     if ( defined($ENV{'form.submitted'}) &&
-	 ( !defined($ENV{'form.resetdata'}))) {
+	 ( !defined($ENV{'form.resetdata'})) &&
+	 ( !defined($ENV{'form.newrandomization'}))) {
       return ('grade', 'web');
     } else {
       return ('web');
@@ -91,7 +95,8 @@ sub get_target {
       if ( $ENV{'form.problemmode'} eq 'View' ||
 	   $ENV{'form.problemmode'} eq 'Discard Edits and View') {
 	if ( defined($ENV{'form.submitted'}) &&
-	     (!defined($ENV{'form.resetdata'})) ) {
+	     (!defined($ENV{'form.resetdata'})) &&
+	     (!defined($ENV{'form.newrandomization'}))) {
 	  return ('grade', 'web','answer');
 	} else {
 	  return ('web','answer');
@@ -469,15 +474,8 @@ sub editxmlmode {
     &renderpage($request,$file);
   } else {
     my ($rows,$cols) = &Apache::edit::textarea_sizes(\$problem);
-    my $xml_help = '<table><tr><td>'.
-	&Apache::loncommon::help_open_topic("Problem_Editor_XML_Index",'Problem Editing Help')
-	    .'</td><td>'.
-	&Apache::loncommon::help_open_topic("Greek_Symbols",'Greek Symbols',
-					    undef,undef,600)
-	    .'</td><td>'.
-        &Apache::loncommon::help_open_topic("Other_Symbols",'Other Symbols',
-					    undef,undef,600)
-	    .'</td></tr></table>';
+    my $xml_help = Apache::loncommon::helpLatexCheatsheet("Problem_Editor_XML_Index",
+							  "Problem Editing Help");
     if ($cols > 80) { $cols = 80; }
     if ($cols < 70) { $cols = 70; }
     if ($rows < 20) { $rows = 20; }
@@ -662,7 +660,10 @@ sub handler {
     # if we are browsing we might not be able to know where we are
     if ($Apache::lonhomework::browse ne 'F') {
       #should know where we are, so ask
-      $request->internal_redirect('/adm/ambiguous'); return;
+
+	    &Apache::lonnet::cleanenv();
+
+	$request->internal_redirect('/adm/ambiguous'); return;
     }
   }
 
@@ -670,9 +671,11 @@ sub handler {
   &Apache::lonxml::debug('symb is '.$symb);
   if ($ENV{'request.state'} eq "construct" || $symb eq '') {
       if ($ENV{'form.resetdata'} eq 'Reset Submissions' ||
-	  $ENV{'form.resetdata'} eq 'New Problem Variation' ) {
+	  $ENV{'form.resetdata'} eq 'New Problem Variation' ||
+          $ENV{'form.newrandomization'} eq 'New Randomization') {
 	  my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
 	  &Apache::lonnet::tmpreset($symb,'',$domain,$name);
+&Apache::lonxml::debug("Attempt reset");
       }
   }
   if ($ENV{'request.state'} eq "construct") {