--- loncom/interface/lonparmset.pm	2011/12/04 16:27:06	1.517
+++ loncom/interface/lonparmset.pm	2011/12/28 21:49:54	1.520
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set parameters for assessments
 #
-# $Id: lonparmset.pm,v 1.517 2011/12/04 16:27:06 www Exp $
+# $Id: lonparmset.pm,v 1.520 2011/12/28 21:49:54 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -855,16 +855,10 @@ sub page_js {
     return(<<ENDJS);
 <script type="text/javascript">
 // <![CDATA[
-    function pclose() {
-        parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
-                 "height=350,width=350,scrollbars=no,menubar=no");
-        parmwin.close();
-    }
 
     $pjump_def
 
     function psub() {
-        pclose();
         if (document.parmform.pres_marker.value!='') {
             document.parmform.action+='#'+document.parmform.pres_marker.value;
             var typedef=new Array();
@@ -904,7 +898,6 @@ sub startpage {
     my ($r,$psymb) = @_;
 
     my %loaditems = (
-                      'onunload' => "pclose()",
                       'onload'   => "group_or_section('cgroup')",
                     );
     if (!$psymb) {
@@ -1401,6 +1394,7 @@ sub lookUpTableParameter {
         'maxcollaborators' => 'misc',
         'scoreformat' => 'misc',
         'lenient' => 'grading',
+        'retrypartial' => 'tries',
 
     );    
 }
@@ -2152,7 +2146,7 @@ sub assessparms {
                         }
                     }
                 }
-            } elsif ($markers[$i] =~ /_(type|lenient)\&\d+$/) {
+            } elsif ($markers[$i] =~ /_(type|lenient|retrypartial)\&\d+$/) {
                 $name = $1;
                 $needsrelease =
                     $Apache::lonnet::needsrelease{"parameter:$name:$values[$i]"};
@@ -2814,6 +2808,10 @@ sub storedata {
                 $name = 'type';
             } elsif ($typeof eq 'string_lenient') {
                 $name = 'lenient';
+            } elsif ($typeof eq 'string_yesno') {
+                if ($thiskey =~ /\.retrypartial$/) {
+                    $name = 'retrypartial';
+                }
             }
             if ($name ne '') {
                 my ($needsrelease,$needsnewer);
@@ -3162,7 +3160,8 @@ sub string_selector {
 
     my %skiptype;
     if (($thistype eq 'string_questiontype') || 
-        ($thistype eq 'string_lenient')) {
+        ($thistype eq 'string_lenient') ||
+        ($name eq 'retrypartial')) {
         my ($got_chostname,$chostname,$cmajor,$cminor); 
         foreach my $possibilities (@{ $strings{$thistype} }) {
             next unless (ref($possibilities) eq 'ARRAY');
@@ -3674,6 +3673,11 @@ ENDMAINFORMHEAD
     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
     my $vgr  = &Apache::lonnet::allowed('vgr',$env{'request.course.id'});
     my $mgr  = &Apache::lonnet::allowed('mgr',$env{'request.course.id'});
+    my $dcm = &Apache::lonnet::allowed('dcm',$env{'request.course.id'});
+    if ((!$dcm) && ($env{'request.course.sec'} ne '')) {
+        $dcm = &Apache::lonnet::allowed('dcm',$env{'request.course.id'}.
+                                        '/'.$env{'request.course.sec'});
+    }
 
     my $crstype = &Apache::loncommon::course_type();
     my $lc_crstype = lc($crstype);
@@ -3693,7 +3697,12 @@ ENDMAINFORMHEAD
             linktitle => "Reset access times for folders/maps, resources or the $lc_crstype."  ,
             icon => 'start-here.png'  ,
             },
-
+          { linktext => 'Blocking Communication/Resource Access',
+            url => '/adm/setblock',
+            permission => $dcm,
+            linktitle => 'Configure blocking of communication/collaboration and access to resources during an exam',
+            icon => 'comblock.png',
+            },
           { linktext => 'Set Parameter Setting Default Actions',
             url => '/adm/parmset?action=setdefaults',
             permission => $parm_permission,
@@ -4613,8 +4622,9 @@ sub oldversion_warning {
     my ($name,$value,$chostname,$cmajor,$cminor,$needsrelease) = @_;
     my $desc;
     my %stringtypes = (
-                        type    => 'string_questiontype',
-                        lenient => 'string_lenient'
+                        type         => 'string_questiontype',
+                        lenient      => 'string_lenient',
+                        retrypartial => 'string_yesno',
                       );
     if (exists($stringtypes{$name})) {
         if (ref($strings{$stringtypes{$name}}) eq 'ARRAY') {