--- loncom/homework/structuretags.pm	2005/06/28 19:17:36	1.295
+++ loncom/homework/structuretags.pm	2005/09/23 18:39:55	1.301
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA 
 # definition of tags that give a structure to a document
 #
-# $Id: structuretags.pm,v 1.295 2005/06/28 19:17:36 albertel Exp $
+# $Id: structuretags.pm,v 1.301 2005/09/23 18:39:55 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -88,11 +88,10 @@ sub body_tag_start {
 	$body_tag_start.=' style="font-size: x-large;" ';
     }
     $body_tag_start.='>'.&Apache::lonmenu::menubuttons(undef,$target,1);
+    
+    &Apache::lontexconvert::jsMath_reset();
     if ($env{'environment.texengine'} eq 'jsMath') {
-	$body_tag_start.='<script type="text/javascript">
-                     function NoFontMessage () {}
-                   </script>'."\n".
-		       '<script src="/adm/jsMath/jsMath.js"></script>'."\n";
+	$body_tag_start.=&Apache::lontexconvert::jsMath_header();
     }
     return $body_tag_start;
 }
@@ -119,14 +118,16 @@ sub page_start {
     my $body_tag_start;
     if (!defined($found{'body'}) && $env{'request.state'} eq 'construct'
 	&& $env{'environment.remote'} eq 'off') {
-	$body_tag_start=&Apache::loncommon::bodytag();
-	$body_tag_start.=&Apache::lonxml::message_location();
+	if ($target eq 'web' || $target eq 'edit') {
+	    $body_tag_start=&Apache::loncommon::bodytag();
+	    $body_tag_start.=&Apache::lonxml::message_location();
+	}
     } elsif (!defined($found{'body'})) {
 	my $background=&Apache::lonxml::get_param('background',$parstack,
 						  $safeeval);
 	my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
 					       $safeeval);
-	$body_tag_start=&body_tag_start($background,$bgcolor);
+	$body_tag_start=&body_tag_start($target,$background,$bgcolor);
 	if ( ($target eq 'web' || $target eq 'webgrade')
 	     && $env{'request.state'} ne 'construct') {
 	    my ($symb,undef,undef,undef,$publicuser)=
@@ -510,7 +511,6 @@ sub start_problem {
 	    defined($env{'form.problemtype'})) {
 	    $Apache::lonhomework::type=$env{'form.problemtype'};
 	}
-	$Apache::lonhomework::default_type = $Apache::lonhomework::type;
 	&Apache::lonxml::debug("Found this to be of type :$Apache::ltonhomework::type:");
     }
     if ($Apache::lonhomework::type eq '' ) {
@@ -523,6 +523,7 @@ sub start_problem {
 	    &Apache::lonxml::debug("Using default type, problem, :$uri:");
 	}
     }
+    $Apache::lonhomework::default_type = $Apache::lonhomework::type;
 
     #added vars to the scripting enviroment
     my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
@@ -565,11 +566,12 @@ sub start_problem {
                              value="'.$env{'form.username'}.'" />';
 	    if ($env{'user.adv'}) {
 		$form_tag_start.=
-		    ' <input type="checkbox" name="showallfoils" ';
+		    ' <label><input type="checkbox" name="showallfoils" ';
 		if (defined($env{'form.showallfoils'})) {
 		    $form_tag_start.='checked="on"';
 		}
-		$form_tag_start.= ' />'.&mt('&nbsp;Show&nbsp;All&nbsp;Foils');
+		$form_tag_start.= ' />'.&mt('&nbsp;Show&nbsp;All&nbsp;Foils').
+		    '</label>';
 	    }
 	    $form_tag_start.='<hr />';
 	}
@@ -1135,7 +1137,7 @@ sub start_part {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my $result='';
     my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
-    if ($id eq '') { $id = $Apache::lonxml::curdepth; }
+    if ($id =~ /^\s*$/) { $id = $Apache::lonxml::curdepth; }
     $Apache::inputtags::part=$id;
     push(@Apache::inputtags::partlist,$id);
     @Apache::inputtags::response=();
@@ -1270,7 +1272,8 @@ sub start_preduedate {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
 	&Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
-	if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
+	if (!$Apache::lonhomework::scantronmode &&
+	    $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
 	    $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
 	    &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
 	    &Apache::lonxml::get_all_text("/preduedate",$parser);
@@ -1286,7 +1289,8 @@ sub end_preduedate {
 sub start_postanswerdate {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     if ($target eq 'web' || $target eq 'grade') {
-	if ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER') {
+	if ($Apache::lonhomework::scantronmode ||
+	    $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER') {
 	    &Apache::lonxml::get_all_text("/postanswerdate",$parser);
 	}
     } elsif ($target eq 'tex') {