--- loncom/homework/structuretags.pm	2006/03/29 22:43:29	1.332.2.2
+++ loncom/homework/structuretags.pm	2006/06/24 01:33:40	1.332.2.4
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA 
 # definition of tags that give a structure to a document
 #
-# $Id: structuretags.pm,v 1.332.2.2 2006/03/29 22:43:29 albertel Exp $
+# $Id: structuretags.pm,v 1.332.2.4 2006/06/24 01:33:40 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -429,13 +429,14 @@ sub checkout_msg {
                 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
                 'checkout'=>'Check out Exam for Viewing',
 		'checkout?'=>'Check out Exam?');
+    my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
     return (<<ENDCHECKOUT);
 <h2>$lt{'resource'}</h2>
     <p>$lt{'id_expln'}</p>
 <font color="red">
 <p>$lt{'warning'}</p>
 </font>
-<form name="checkout" method="POST" action="$env{'request.uri'}">
+<form name="checkout" method="POST" action="$uri">
 <input type="hidden" name="doescheckout" value="yes" />
 <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onClick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
 </form>
@@ -447,9 +448,10 @@ sub firstaccess_msg {
     my ($map)=&Apache::lonnet::decode_symb($symb);
     my $foldertitle=&Apache::lonnet::gettitle($map);
     &Apache::lonxml::debug("map is $map title is $foldertitle");
+    my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
     return (<<ENDCHECKOUT);
 <h2>The resources in "$foldertitle" are open for a limited time. Once you click the 'Show Resource' button below you have $time to complete all resources "$foldertitle".</h2>
-<form name="markaccess" method="POST" action="$env{'request.uri'}">
+<form name="markaccess" method="POST" action="$uri">
 <input type="hidden" name="markaccess" value="yes" />
 <input type="button" name="accessbutton" value="Show Resource" onClick="javascript:if (confirm('Start Timer?')) { document.markaccess.submit(); }" />
 </form>
@@ -490,7 +492,9 @@ sub init_problem_globals {
     @Apache::structuretags::whileline=();
     $Apache::lonhomework::scantronmode=0;
     undef($Apache::lonhomework::name);
-
+    undef($Apache::lonhomework::default_type);
+    undef($Apache::lonhomework::type);
+    undef($Apache::lonhomework::problemstatus);
 }
 
 sub reset_problem_globals {
@@ -502,6 +506,11 @@ sub reset_problem_globals {
 #detect if we try to do 2 problems in one file
 #   undef($Apache::lonhomework::parsing_a_problem);
     undef($Apache::lonhomework::name);
+    undef($Apache::lonhomework::default_type);
+    undef($Apache::lonhomework::type);
+    undef($Apache::lonhomework::scantronmode);
+    undef($Apache::lonhomework::problemstatus);
+    undef($Apache::lonhomework::ignore_response_errors);
 }
 
 sub set_problem_state {