--- loncom/interface/lonwhatsnew.pm	2005/12/20 15:56:38	1.40
+++ loncom/interface/lonwhatsnew.pm	2024/09/11 05:20:52	1.130
@@ -1,5 +1,7 @@
+# The LearningOnline Network
+# What's New in a course
 #
-# $Id: lonwhatsnew.pm,v 1.40 2005/12/20 15:56:38 raeburn Exp $
+# $Id: lonwhatsnew.pm,v 1.130 2024/09/11 05:20:52 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -36,9 +38,13 @@ use Apache::lonlocal;
 use Apache::loncoursedata();
 use Apache::lonnavmaps();
 use Apache::lonuserstate;
+use Apache::lonuserutils; 
 use Apache::Constants qw(:common :http);
 use Time::Local;
 use GDBM_File;
+use lib '/home/httpd/lib/perl/';
+use LONCAPA;
+use HTML::Entities;
 
 #----------------------------
 # handler
@@ -58,62 +64,128 @@ sub handler {
     my $command = $env{'form.command'};
     my $refpage = $env{'form.refpage'};
 
-    &Apache::loncommon::content_type($r,'text/html');
-    $r->send_http_header;
-    my $crsid = $env{'request.course.id'};
-    $crsid =~ s/_/\//; 
-    if ((!($env{'request.course.id'})) || 
-                             ($env{'request.role'} !~ /\Q$crsid\E$/)) {
-        # Not in a course, or no role in course
-        $env{'user.error.msg'}="/adm/whatsnew::0:0:Cannot display what's new screen";
+    my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+    my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
+
+    my ($isadhoc,%checkallowed);
+
+    if ($env{'request.role'} =~ m{^(cc|co)/}) {
+        my $rolecode = $1;
+        if ($env{"environment.internal.$cdom.$crs.$env{'request.role'}.adhoc"}) {
+            $isadhoc = 1;
+        }
+    } elsif ($env{'request.role'} =~ m{^cr/$cdom/$cdom\-domainconfig/(\w+)\./}) {
+        my $rolename = $1;
+        if ($env{"environment.internal.$cdom.$crs.cr/$cdom/$cdom-domainconfig/$rolename.adhoc"}) {
+            $isadhoc = 1;
+        }
+    }
+    unless ($isadhoc) {
+        %checkallowed = ( coursenormalmail => 1,
+			  coursecritmail => 1,);
+    }
+    foreach my $perm_check (['whn','whatsnew',1],
+			    ['pch','coursediscussion',1],
+			    ['mgr','handgrading',1],
+			    ['vgr','abovethreshold',1],
+			    ['vgr','haserrors',1],
+			    ['whn','versionchanges',1],
+                            ['vcl','newroles',1],
+                            ['vcl','oldroles',1],
+                            ['whn','crslogin',1],
+                            ['vcl','sessions',1],
+                            ['mgr','resetcounters',1],
+			    ) {
+	my ($perm,$key,$check_section) = @{ $perm_check };
+	my $scope = $env{'request.course.id'};
+	if (!($checkallowed{$key} = &Apache::lonnet::allowed($perm,$scope))) {
+	    $scope .= '/'.$env{'request.course.sec'};
+	    if ( $check_section ) {
+		$checkallowed{$key} = &Apache::lonnet::allowed($perm,$scope);
+	    }
+	    if ($checkallowed{$key}) {
+		$checkallowed{$key.'_section'} = $env{'request.course.sec'};
+	    }
+	}
+    }
+
+    if ( ! $env{'request.course.fn'} || ! $checkallowed{'whatsnew'}) {
+        # Not in a course, or no whn priv in course
+        $env{'user.error.msg'}="/adm/whatsnew:whn:0:0:Cannot display what's new page";
         return HTTP_NOT_ACCEPTABLE;
     }
 
-    my %checkallowed = (
-             coursediscussion => &Apache::lonnet::allowed('pch',$env{'request.course.id'}),
-             handgrading => &Apache::lonnet::allowed('mgr',$env{'request.course.id'}),
-             abovethreshold => &Apache::lonnet::allowed('vgr',$env{'request.course.id'}),
-             haserrors => &Apache::lonnet::allowed('opa',$env{'request.course.id'}),
-             versionchanges => &Apache::lonnet::allowed('opa',$env{'request.course.id'}),
-             coursenormalmail => 1,
-             coursecritmail => 1,
-    );
+    &Apache::loncommon::content_type($r,'text/html');
+    $r->send_http_header;
 
     $r->print(&display_header($command,\%checkallowed));
 
     &Apache::lonhtmlcommon::clear_breadcrumbs();
     &Apache::lonhtmlcommon::add_breadcrumb
             ({href=>'/adm/whatsnew',
-              text=>"Display Action Items"});
-    if (($command eq 'chgthreshold') && (&Apache::lonnet::allowed('vgr',$env{'request.course.id'}))) {
+              text=>"What's New?"});
+    if (($command eq 'chgthreshold') && $checkallowed{'abovethreshold'}) {
         &Apache::lonhtmlcommon::add_breadcrumb
-            ({href=>'/adm/whatsnew?command=chgthreshold&refpage='.$refpage,
+            ({href=>'/adm/whatsnew?command=chgthreshold&refpage='.$refpage,
               text=>"Change thresholds"});
         $r->print(&Apache::lonhtmlcommon::breadcrumbs
-            (undef,"What's New?",'Course_Action_Items_Thresholds'));
-    } elsif (($command eq 'chginterval') && (&Apache::lonnet::allowed('vgr',$env{'request.course.id'}))) {
+            ("What's New?",#'Course_Action_Items_Thresholds'
+	     ));
+    } elsif (($command eq 'chginterval') && $checkallowed{'versionchanges'} ) {
         &Apache::lonhtmlcommon::add_breadcrumb
-            ({href=>'/adm/whatsnew?command=chginterval&refpage='.$refpage,
+            ({href=>'/adm/whatsnew?command=chginterval&refpage='.$refpage,
               text=>"Change interval"});
         $r->print(&Apache::lonhtmlcommon::breadcrumbs
-            (undef,"What's New?",'Course_Action_Items_Intervals'));
-    } elsif (($command eq 'chgdisc') && (&Apache::lonnet::allowed('pch',$env{'request.course.id'}))) {
+            ("What's New?",#'Course_Action_Items_Intervals'
+	     ));
+    } elsif (($command eq 'chgdisc') && $checkallowed{'coursediscussion'}) {
         &Apache::lonhtmlcommon::add_breadcrumb
-            ({href=>'/adm/whatsnew?command=chgdisc&refpage='.$refpage,
+            ({href=>'/adm/whatsnew?command=chgdisc&refpage='.$refpage,
               text=>"Change discussion display"});
         $r->print(&Apache::lonhtmlcommon::breadcrumbs
-            (undef,"What's New?",'Course_Action_Items_Intervals'));
+            ("What's New?",#'Course_Action_Items_Intervals'
+	     ));
     } elsif ($command eq 'courseinit') {
         &Apache::lonhtmlcommon::add_breadcrumb
-            ({href=>'/adm/whatsnew?command=courseinit&refpage='.$refpage,
+            ({href=>'/adm/whatsnew?command=courseinit&refpage='.$refpage,
               text=>"Course initialization preference"});
         $r->print(&Apache::lonhtmlcommon::breadcrumbs
-            (undef,"What's New?",'Course_Action_Items_Initialization'));
+            ("What's New?",#'Course_Action_Items_Initialization'
+	     ));
+    } elsif ($command eq 'chgoldroleinterval' && $checkallowed{'oldroles'}) {
+        &Apache::lonhtmlcommon::add_breadcrumb
+            ({href=>'/adm/whatsnew?command=chgoldroleinterval&refpage='.$refpage,
+              text=>"Change interval"});
+        $r->print(&Apache::lonhtmlcommon::breadcrumbs
+            ("What's New?",#'Course_Action_Items_Intervals'
+             ));
+    } elsif ($command eq 'chgnewroleinterval' && $checkallowed{'newroles'}) {
+        &Apache::lonhtmlcommon::add_breadcrumb
+            ({href=>'/adm/whatsnew?command=chgnewroleinterval&refpage='.$refpage,
+              text=>"Change interval"});
+        $r->print(&Apache::lonhtmlcommon::breadcrumbs
+            ("What's New?",#'Course_Action_Items_Intervals'
+             ));
+    } elsif ($command eq 'chgcrslogininterval' && $checkallowed{'crslogin'}) {
+        &Apache::lonhtmlcommon::add_breadcrumb
+            ({href=>'/adm/whatsnew?command=chgcrslogininterval&refpage='.$refpage,
+              text=>"Change interval"});
+        $r->print(&Apache::lonhtmlcommon::breadcrumbs
+            ("What's New?",#'Course_Action_Items_Intervals'
+             ));
+    } elsif ($command eq 'chgsessionlimit' && $checkallowed{'sessions'}) {
+        &Apache::lonhtmlcommon::add_breadcrumb
+            ({href=>'/adm/whatsnew?command=chgsessionlimit&refpage='.$refpage,
+              text=>"Change session range"});
+        $r->print(&Apache::lonhtmlcommon::breadcrumbs
+            ("What's New?",#'Course_Action_Items_Sessions'
+             ));
     } else {
         $r->print(&Apache::lonhtmlcommon::breadcrumbs
-            (undef,"What's New?",'Course_Action_Items_Display'));
+            ("What's New?",#'Course_Action_Items_Display'
+	     ));
     }
-    &display_main_box($r,$command,$refpage,\%checkallowed);
+    &display_main_box($r,$command,$refpage,\%checkallowed,$cdom,$crs);
     return OK;
 }
 
@@ -124,10 +196,10 @@ sub handler {
 #------------------------------
                                                                                 
 sub display_main_box {
-    my ($r,$command,$refpage,$checkallowed) = @_;
+    my ($r,$command,$refpage,$checkallowed,$cdom,$crs) = @_;
     my $domain=&Apache::loncommon::determinedomain();
     my $function = &Apache::loncommon::get_users_function();
-    my $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
+    my $lctype = lc(&Apache::loncommon::course_type());
     $r->print('<table width="100%" border="0" cellpadding="5" cellspacing="0"><tr><td width="100%">');
 
     my %threshold_titles = &Apache::lonlocal::texthash (
@@ -135,45 +207,84 @@ sub display_main_box {
                          degdiff => 'Degree of difficulty',
                          numstudents => 'Total number of students with submissions',
     );
-
-    my %interval_titles = &Apache::lonlocal::texthash (
-                            -1 => 'since start of course',
-                       2592000 => 'since last month',
-                        604800 => 'since last week',
-                         86400 => 'since yesterday',
+    my %versions = (
+                       -1 => "version changes since start of $lctype",
+                  2592000 => 'version changes since last month',
+                   604800 => 'version changes since last week',
+                    86400 => 'version changes since yesterday',
+                   );
+    my %newroles = (
+                       -1 => "roles which have become active since start of $lctype",
+                  2592000 => 'roles which have become active since last month',
+                   604800 => 'roles which have become active since last week',
+                    86400 => 'roles which have become active since yesterday',
+                   );
+    my %oldroles = (
+                       -1 => "roles which expired since start of $lctype",
+                  2592000 => 'roles which expired since last month',
+                   604800 => 'roles which expired since last week',
+                    86400 => 'roles which expired since yesterday',
+                   );
+    my %crslogins = (
+                       -1 => 'last logins for anyone who has ever logged in',
+                  2592000 => 'last logins for users in last 30 days',
+                   604800 => 'last logins for users in last 7 days',
+                    86400 => 'last logins for users in last 24 hours',
+                   );
+    my %sessions = (
+                     300  => 'course sessions active in the last 5 minutes',
+                     600  => 'course sessions active in the last 10 minutes',
+                     1800 => 'course sessions active in the last 30 minutes',
+                     7200 => 'course sessions active in the last 2 hours',
+                    -7200 => 'course sessions with last activity more than 2 hours ago',
+                   );
+    my %interval_titles = (
+        versions => \%versions,
+        newroles => \%newroles,
+        oldroles => \%oldroles,
+        crslogin => \%crslogins,
+        sessions => \%sessions,
     );
-
     my %initpage = &Apache::lonlocal::texthash (
-                     firstres => 'first resource in the course',
-                     whatsnew => "what's new? page",
+                     firstres => "first resource in the $lctype",
+                     whatsnew => "What's New Page",
                      userpref => 'your general user preferences',
-                     coursespecific => 'specific setting for this course',
+                     coursespecific => "specific setting for this $lctype",
                    );
-    my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
-    my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
 
-    if (($command eq 'chgthreshold') && 
-               (&Apache::lonnet::allowed('vgr',$env{'request.course.id'}))) {
-        &display_threshold_config($r,$refpage,$tabbg,\%threshold_titles,
-                                                                   $cdom,$crs);
-    } elsif (($command eq 'chginterval') && 
-               (&Apache::lonnet::allowed('opa',$env{'request.course.id'}))) {
-        &display_interval_config($r,$refpage,\%interval_titles);
-    } elsif (($command eq 'chgdisc') && 
-               (&Apache::lonnet::allowed('pch',$env{'request.course.id'}))) {
+    if (($command eq 'chgthreshold') 
+	&& $checkallowed->{'abovethreshold'}) {
+        &display_threshold_config($r,$refpage,\%threshold_titles,$cdom,$crs);
+    } elsif (($command eq 'chginterval') 
+	     && $checkallowed->{'versionchanges'}) {
+        &display_interval_config($r,$refpage,\%interval_titles,'versions');
+    } elsif (($command eq 'chgdisc') 
+	     && $checkallowed->{'coursediscussion'}) {
         &display_discussion_config($r,$refpage);
     } elsif ($command eq 'courseinit') {
         &courseinit_config($r,$refpage,\%initpage);
+    } elsif (($command eq 'chgnewroleinterval')
+             && $checkallowed->{'newroles'}) {
+        &display_interval_config($r,$refpage,\%interval_titles,'newroles');
+    } elsif (($command eq 'chgoldroleinterval')
+             && $checkallowed->{'oldroles'}) {
+        &display_interval_config($r,$refpage,\%interval_titles,'oldroles');
+    } elsif (($command eq 'chgcrslogininterval')
+             && $checkallowed->{'crslogin'}) {
+        &display_interval_config($r,$refpage,\%interval_titles,'crslogin');
+    } elsif (($command eq 'chgsessionlimit')
+             && $checkallowed->{'sessions'}) {
+        &display_interval_config($r,$refpage,\%interval_titles,'sessions');
     } else {
-        &display_actions_box($r,$tabbg,$command,$refpage,\%threshold_titles,
+        &display_actions_box($r,$command,$refpage,\%threshold_titles,
                         \%interval_titles,\%initpage,$cdom,$crs,$checkallowed);
     }
+    my $end_page = &Apache::loncommon::end_page();
     $r->print(<<END_OF_BLOCK);
   </td>
  </tr>
 </table><br />
-</body>
-</html>
+$end_page
 END_OF_BLOCK
 }
 
@@ -186,38 +297,88 @@ END_OF_BLOCK
 
 sub display_header {
     my ($command,$checkallowed) = @_;
-    my $html=&Apache::lonxml::xmlbegin();
-    my $bodytag=&Apache::loncommon::bodytag('Course Action Items');
+    
     my $scripttag;
-    unless ($command eq 'chgthreshold' || $command eq 'chginterval') {
+    unless ($command eq 'chgthreshold' || $command eq 'chginterval' || 
+            $command eq 'chgoldroleinterval' ||
+            $command eq 'chgnewroleinterval' || $command eq 'chgcrslogininterval') {
        $scripttag = <<"END";
 <script type="text/javascript">
+// <![CDATA[
 function change_display(caller,change) {
     caller.value = change;
-    document.visible.submit(); 
+    document.visible.submit();
 }
 
 function changeAll(change) {
 END
         foreach my $item (keys(%{$checkallowed})) {
+	    if ($item =~ /_section$/) { next; }
             if ($$checkallowed{$item}) {
                 $scripttag.='document.visible.display_'.$item.'.value=change'.
                             "\n";
             }
         }
-        $scripttag.='document.visible.submit();
+        $scripttag.=<<"ENDTOGG";
+    document.visible.submit();
+}
+
+function thresholdreset() {
+    document.visible.command.value="reset";
+    document.visible.submit();
+}
+
+function toggledetails(prefix) {
+    var total = document.visible[prefix+'count'].value;
+    var sumrow = document.visible[prefix+'row'].value;
+    if (total == 0) {
+        return;
+    }
+    var showdetails = 0;
+    for (var i=0; i<document.visible[prefix+'details'].length; i++) {
+        if (document.visible[prefix+'details'][i].checked) {
+            showdetails = document.visible[prefix+'details'][i].value;
+        }
+    }
+    var detval = "none";
+    var sumval = "";
+    if (showdetails == 1) {
+        detval = "";
+        sumval = "none";
+    }
+    for (var j=0; j<total; j++) {
+        var counter = j+1;
+        var itemid = prefix+"det_"+counter;
+        personele = document.getElementById(itemid);
+        if (personele != null) {
+            personele.style.display = detval;
+        }
+    }
+    var detheaderele = document.getElementById(prefix+"titledet");
+    if (detheaderele != null) {
+        detheaderele.style.display = detval;
+    }
+    for (var k=0; k<sumrow; k++) {
+        var counter = k+1;
+        var itemid = prefix+"sum_"+counter;
+        catele = document.getElementById(itemid);
+        if (catele != null) {
+            catele.style.display = sumval;
+        }
+    }
+    var sumheaderele = document.getElementById(prefix+"titlesum");
+    if (sumheaderele != null) {
+        sumheaderele.style.display = sumval;
+    }
+    return;
 }
+// ]]>
 </script>
-';
+ENDTOGG
     }
-    return(<<ENDHEAD);
-$html
-<head>
-<title>Course Action Items</title>
-$scripttag
-</head>
-$bodytag
-ENDHEAD
+    my $course_type=&Apache::loncommon::course_type();
+    return &Apache::loncommon::start_page("What's New?",
+					  $scripttag);
 }
 
 #-------------------------------
@@ -228,19 +389,20 @@ ENDHEAD
 #-------------------------------
                                                                                 
 sub display_actions_box {
-    my ($r,$tabbg,$command,$refpage,$threshold_titles,$interval_titles,
-                                      $initpage,$cdom,$crs,$checkallowed) = @_;
-    my $rowColor1 = "#ffffff";
-    my $rowColor2 = "#eeeeee";
-
+    my ($r,$command,$refpage,$threshold_titles,$interval_titles,$initpage,
+        $cdom,$crs,$checkallowed) = @_;
     my $udom = $env{'user.domain'};
     my $uname = $env{'user.name'};
     my $cid = $env{'request.course.id'};
-
+    my $crstype = &Apache::loncommon::course_type();
+    my $lctype = lc($crstype);
+    my %stulabel = (
+                    'Course' => 'students',
+                    'Community' => 'members',
+                   );
     my %lt = &Apache::lonlocal::texthash(
-                 'yacc' => 'You are accessing an invalid course.',
+                 'yacc' => 'You are accessing an invalid course',
                  'gtfr' => 'Go to first resource',
-                 'pgse' => 'Page set to be displayed after you have selected a role in this course?',
                  'hial' => 'Hide all',
                  'shal' => 'Show all',
     );
@@ -258,7 +420,14 @@ sub display_actions_box {
     my @warnings = ();
     my $msgcount = 0;
     my $critmsgcount = 0;
-
+    my $expirecount;
+    my %expired;
+    my $activecount;
+    my %activated;
+    my %loggedin;
+    my $logincount;
+    my %sessions;
+    my $sessioncount;
     my %res_title = ();
     my %show = ();
     my $needitems = 0;
@@ -269,16 +438,12 @@ sub display_actions_box {
         $result = &store_courseinit_setting($uname,$udom,$cid,$initpage);
     }
 
-    my %threshold = (
-                      av_attempts => 2,
-                      degdiff => 0.5,
-                      numstudents => 2,
-                     );
+    my %threshold = ();
     my %pagedesc = &Apache::lonlocal::texthash (
                      firstres => 'First resource',
-                     whatsnew => "What's New? page",
+                     whatsnew => "What's New Page",
                      userpref => 'user preference',
-                     coursespecific => 'course only',
+                     coursespecific => $lctype.' only',
                      default => 'default',
                    );
 
@@ -286,28 +451,37 @@ sub display_actions_box {
     my $currinit = $pagedesc{$initdisp}.' ('.$pagedesc{$initcontrol}.')';
 
     unless ($cid) {
-        $r->print('<br /><b><center>'.$lt{'yacc'}.'</center></b><br /><br />');
+        $r->print('<p><span style="text-align: center; font-weight: bold;">'.$lt{'yacc'}.'</span></p>');
         return;
     }
 
+    my $header = '';
     if ($refpage eq 'start') {
         if (tie(my %bighash,'GDBM_File',$env{'request.course.fn'}.'.db',
             &GDBM_READER(),0640)) {
-            my $furl=$bighash{'first_url'};
+            my $furl=&HTML::Entities::encode($bighash{'first_url'},'"<>&');
             untie(%bighash);
-            $r->print('<font size="+1"><a href="'.$furl.'">'.$lt{'gtfr'}.
-                  '</a></font><br />');
+            $header .= '<b><a href="'.$furl.'">'.$lt{'gtfr'}.
+                  '</a></b><br />';
         }
     }
-    $r->print($lt{'pgse'}.' '.&mt('Currently: [_1]','<i>'.$currinit.'</i>').
-              '<nobr>&nbsp;&nbsp;'.&mt('[_1] for just [_2]','<b>Change</b>',
-              '<a href="/adm/whatsnew?command=courseinit&refpage='.$refpage.
-              '">this course</a>').' '.&mt('or for all [_1].',
-              '<a href="/adm/preferences?action=changecourseinit&refpage='.
-              $refpage.'">your courses</a>').'</nobr><br /><hr />');
-                                                                                        
+    $header .= &mt('Page set to be displayed after you have selected a role in this '.$lctype).'.'
+              .' <span class="LC_nobreak">'
+              .&mt('Currently: [_1].','<i>'.$currinit.'</i>')
+              .'&nbsp;&nbsp;'
+              .&mt('[_1]Change[_2] for just [_3]this '.$lctype.'[_4] or for [_5]all your courses/communities[_6].'
+                  ,'<b>'
+                  ,'</b>'
+                  ,'<a href="/adm/whatsnew?command=courseinit&amp;refpage='.$refpage.'">'
+                  ,'</a>'
+                  ,'<a href="/adm/preferences?action=changecourseinit&amp;refpage='.$refpage.'">'
+                  ,'</a>')
+              .' </span>';
+
+    $r->print(&Apache::loncommon::head_subbox($header));
+
     if ($command eq 'reset') {
-        $result = &process_reset($cdom,$crs);
+        $result = &process_reset($cdom,$crs,$checkallowed);
     } elsif ($command eq 'update') {
         $result = &process_update($uname,$udom,$threshold_titles);
     } elsif ($command eq 'newinterval') {
@@ -319,50 +493,158 @@ sub display_actions_box {
     my $store_result=&store_display_settings($uname,$udom,$cid,$checkallowed);
 
     unless ($store_result eq 'ok') { 
-        &Apache::lonnet::logthis('Error storing whatsnew settings: '.
-            $store_result.' for '.'user '.$uname.':'.$udom.' in course '.$cid);
-        $result .= &mt('Unable to store visibility settings due to [_1]',
-                       $store_result); 
+        &Apache::lonnet::logthis('Error saving whatsnew settings: '.
+            $store_result.' for '.'user '.$uname.':'.$udom.' in '.$lctype.' '.$cid);
+        $result .= '<span class="LC_error">'
+                  .&mt('Unable to save visibility settings due to [_1]',
+                       $store_result)
+                  .'</span>';
     }
 
     if ($result) {
-        $r->print($result.'<hr width="100%" />');
+        $r->print($result.'<hr />');
     }
     $r->rflush();
 
-
+    my (%timediff,%interval);
     my %display_settings = &get_display_settings($uname,$udom,$cid);
-    my $timediff = $display_settings{$cid.':interval'};
-    unless (defined($timediff)) { $timediff = 604800; } 
-    my $now = time;
-    my $interval = $$interval_titles{$timediff};
-    if ($timediff == -1) {
-        $timediff = time;
-    } 
-    my $starttime = $now - $timediff;
-    my $countunread = $display_settings{$cid.':countunread'};
-    unless (defined($countunread)) {
-        $countunread = 'on';
-    }
+    $timediff{'versions'} = $display_settings{$cid.':interval'};
+    unless (defined($timediff{'versions'})) { $timediff{'versions'} = 604800; } 
+    $interval{'versions'} = $interval_titles->{'versions'}->{$timediff{'versions'}};
 
     my %headings = &Apache::lonlocal::texthash(
-                coursediscussion =>  'Unread course discussion posts',
-                handgrading =>  'Problems requiring handgrading',
-                haserrors => 'Problems with errors',
-                versionchanges => 'Resources in course with version changes '.$interval,
-                coursenormalmail => 'New course messages',
-                coursecritmail => 'New critical messages in course',
+                coursediscussion => 'Unread '.$lctype.' discussion posts',
+                handgrading      => 'Problems requiring handgrading',
+                haserrors        => 'Problems with errors',
+                coursenormalmail => 'New '.$lctype.' messages',
+                coursecritmail   => 'New critical messages in '.$lctype,
     );
 
+    if ($timediff{'versions'} == -1) {
+        $headings{'versionchanges'} = &mt('Resources in '.$lctype.' with version changes since start of '.$lctype);
+    } elsif ($timediff{'versions'} == 2592000) {
+        $headings{'versionchanges'} = &mt('Resources in '.$lctype.' with version changes since last month');
+    } elsif ($timediff{'versions'} == 604800) {
+        $headings{'versionchanges'} = &mt('Resources in '.$lctype.' with version changes since last week');
+    } elsif ($timediff{'versions'} == 86400) {
+        $headings{'versionchanges'} = &mt('Resources in '.$lctype.' with version changes since yesterday');
+    }
+
+    $timediff{'oldroles'} = $display_settings{$cid.':oldroleinterval'};
+    unless (defined($timediff{'oldroles'})) { $timediff{'oldroles'} = 604800; }
+    $interval{'oldroles'} = $interval_titles->{'oldroles'}->{$timediff{'oldroles'}};
+
+    if ($timediff{'oldroles'} == -1) {
+        $headings{'oldroles'} = &mt('Roles for which access to '.$lctype.' has expired since start of '.$lctype);
+    } elsif ($timediff{'oldroles'} == 2592000) {
+        $headings{'oldroles'} = &mt('Roles for which access to '.$lctype.' has expired since last month');
+    } elsif ($timediff{'oldroles'} == 604800) {
+        $headings{'oldroles'} = &mt('Roles for which access to '.$lctype.' has expired since last week');
+    } elsif ($timediff{'oldroles'} == 86400) {
+        $headings{'oldroles'} = &mt('Roles for which access to '.$lctype.' has expired since yesterday');
+    }
+
+    $timediff{'newroles'} = $display_settings{$cid.':newroleinterval'};
+    unless (defined($timediff{'newroles'})) { $timediff{'newroles'} = 604800; }
+    $interval{'newroles'} = $interval_titles->{'newroles'}->{$timediff{'newroles'}};
+
+    if ($timediff{'newroles'} == -1) {
+        $headings{'newroles'} = &mt('Roles for which access to '.$lctype.' has become available since start of '.$lctype);
+    } elsif ($timediff{'newroles'} == 2592000) {
+        $headings{'newroles'} = &mt('Roles for which access to '.$lctype.' has become available since last month');
+    } elsif ($timediff{'newroles'} == 604800) {
+        $headings{'newroles'} = &mt('Roles for which access to '.$lctype.' has become available since last week');
+    } elsif ($timediff{'newroles'} == 86400) {
+        $headings{'newroles'} = &mt('Roles for which access to '.$lctype.' has become available since yesterday');
+    }
+
+    $timediff{'crslogin'} = $display_settings{$cid.':crslogininterval'};
+    unless (defined($timediff{'crslogin'})) { $timediff{'crslogin'} = 604800; }
+    $interval{'crslogin'} = $interval_titles->{'crslogin'}->{$timediff{'crslogin'}};
+
+    if ($timediff{'crslogin'} == -1) {
+        $headings{'crslogin'} = &mt('Last login for anyone who has ever logged in');
+    } elsif ($timediff{'crslogin'} == 2592000) {
+        $headings{'crslogin'} = &mt('Last login for users in last 30 days');
+    } elsif ($timediff{'crslogin'} == 604800) {
+        $headings{'crslogin'} = &mt('Last login for users in last 7 days');
+    } elsif ($timediff{'crslogin'} == 86400) {
+        $headings{'crslogin'} = &mt('Last login for users in last 24 hours');
+    }
+
+    $timediff{'sessions'} = $display_settings{$cid.':sessionactivity'};
+    unless (defined($timediff{'sessions'})) { $timediff{'sessions'} = 7200; }
+    $interval{'sessions'} = $interval_titles->{'sessions'}->{$timediff{'sessions'}};
+
+    if ($timediff{'sessions'} == -7200) {
+        $headings{'sessions'} = &mt('Session with activity more than 2 hours ago');
+    } elsif ($timediff{'sessions'} == 7200) {
+        $headings{'sessions'} = &mt('Session with activity in last 2 hours');
+    } elsif ($timediff{'sessions'} == 1800) {
+        $headings{'sessions'} = &mt('Session with activity in last 30 minutes');
+    } elsif ($timediff{'sessions'} == 600) {
+        $headings{'sessions'} = &mt('Session with activity in last 10 minutes');
+    } elsif ($timediff{'sessions'} == 300) {
+        $headings{'sessions'} = &mt('Session with activity in last 5 minutes');
+    }
+
+    my ($now,$starttime,$activatedstart,$expiredstart,$crsloginstart);
+    $now = time;
+
+    if ($timediff{'versions'} == -1) {
+        $starttime = 0;
+    } else {
+        $starttime = $now - $timediff{'versions'};
+    }
+
+    if ($timediff{'newroles'} == -1) {
+        $activatedstart = 0;
+    } else {
+        $activatedstart = $now - $timediff{'newroles'};
+    }
+
+    if ($timediff{'oldroles'} == -1) {
+        $expiredstart = 0;
+    } else {
+        $expiredstart = $now - $timediff{'oldroles'};
+    }
+
+    if ($timediff{'crslogin'} == -1) {
+        $crsloginstart = 0;
+    } else {
+        $crsloginstart = $now - $timediff{'crslogin'};
+    }
+
+    my $countunread = $display_settings{$cid.':countunread'};
+    unless (defined($countunread)) {
+        $countunread = 'on';
+    }
     if ($$checkallowed{'abovethreshold'}) {
         &get_curr_thresholds(\%threshold,$uname,$udom,$cid,$cdom,$crs);
     }
 
-    $headings{'abovethreshold'} = &mt('Problems with av. attempts').' &ge; '.$threshold{'av_attempts'}.' '.&mt('or deg. difficulty').' &ge; '.$threshold{'degdiff'}.'<br /> '.&mt('and total number of students with submissions').' &ge; '.$threshold{'numstudents'};
-
-    my @actionorder = ('handgrading','haserrors','abovethreshold','versionchanges','coursediscussion','coursenormalmail','coursecritmail');
+    $headings{'abovethreshold'} = 
+	&mt('(Problems with av. attempts &ge; [_1] or deg. difficulty &ge; [_2]) [_3] and total number of '.$stulabel{$crstype}.' with submissions &ge; [_4]',
+	    $threshold{'av_attempts'},$threshold{'degdiff'},
+	    '<br />',$threshold{'numstudents'});
+
+    my @actionorder = ('handgrading','haserrors','abovethreshold','versionchanges','coursediscussion','coursenormalmail','coursecritmail','newroles','oldroles','crslogin','sessions');
+    my %actioncolumn = (
+                         handgrading      => 'left',
+                         haserrors        => 'left',
+                         abovethreshold   => 'left',
+                         versionchanges   => 'left',
+                         coursediscussion => 'right',
+                         coursenormalmail => 'right',
+                         coursecritmail   => 'right',
+                         newroles         => 'right',
+                         oldroles         => 'right',
+                         crslogin         => 'right',
+                         sessions         => 'right',
+                       );
 
     foreach my $key (keys(%{$checkallowed})) {
+	if ($key =~ /_section$/) { next; }
         $show{$key} = 0;
         if ($$checkallowed{$key}) {
             unless ($display_settings{$cid.':'.$key} eq 'hide') {
@@ -372,7 +654,9 @@ sub display_actions_box {
     }
 
     foreach my $item (@actionorder) {
-        unless ($item eq 'coursenormalmail' || $item eq 'coursecritmail') {
+        unless ($item eq 'coursenormalmail' || $item eq 'coursecritmail' ||
+                $item eq 'newroles' || $item eq 'oldroles' || 
+                $item eq 'crslogin' || $item eq 'sessions') {
             if ($show{$item}) {
                 $needitems = 1;
                 last;
@@ -380,52 +664,71 @@ sub display_actions_box {
         }
     }
 
+    my $itemserror;
     if ($needitems) {
-        &getitems(\%unread,\%ungraded,\%bombed,\%triggered,\%changed,\@newdiscussions,\@tograde,\@bombs,\@warnings,$rowColor1,$rowColor2,\%threshold,$cdom,$crs,\%res_title,\%show,$starttime,$countunread);
+        $itemserror = &getitems(\%unread,\%ungraded,\%bombed,\%triggered,\%changed,\@newdiscussions,\@tograde,\@bombs,\@warnings,\%threshold,$cdom,$crs,\%res_title,\%show,$starttime,$countunread,$checkallowed);
+    }
+    my $classlist;
+    if ($show{'oldroles'} || $show{'newroles'} || $show{'crslogin'} || $show{'sessions'}) {
+        $classlist = &Apache::loncoursedata::get_classlist();
     }
     if ($show{'coursenormalmail'}) {
-        &getnormalmail(\@newmsgs);
+        $msgcount = &getnormalmail(\@newmsgs);
     }
     if ($show{'coursecritmail'}) {
-        &getcritmail(\@critmsgs);
+        $critmsgcount = &getcritmail(\@critmsgs);
+    }
+    if ($show{'oldroles'}) {
+        $expirecount = &getexpired(\%expired,$expiredstart,'previous',$classlist);
+    }
+    if ($show{'newroles'}) {
+        $activecount = &getactivated(\%activated,$activatedstart,'active',$classlist);
+    }
+    if ($show{'crslogin'}) {
+        $logincount = &getloggedin($cdom,$crs,\%loggedin,$crsloginstart);
+    }
+    if ($show{'sessions'}) {
+        $sessioncount = &getsessions($cdom,$crs,\%sessions,$timediff{'sessions'},$classlist);
     }
-
     $r->print(qq|<a href="javascript:changeAll('hide');">$lt{'hial'}</a>
      &nbsp;&nbsp;<a href="javascript:changeAll('show');">$lt{'shal'}</a>
      <form method="post" name="visible" action="/adm/whatsnew">\n|);
     foreach my $item (keys(%{$checkallowed})) {
+	if ($item =~ /_section$/) { next; }
         if ($$checkallowed{$item}) {
             $r->print('<input type="hidden" name="display_'.$item.'" />'."\n");
         }
     }
 
-    $r->print('<input type="hidden" name="refpage" value="'.$refpage.'"></form><br /><table border="0" width="100%" cellpadding="2" cellspacing="4"><tr><td align="left" valign="top" width="45%">');
+    $r->print('<input type="hidden" name="refpage" value="'.$refpage.'" /><table class="LC_double_column"><tr><td class="LC_left_col">');
 
     my $displayed = 0;
     my $totalboxes = 0;
     foreach my $key (keys(%{$checkallowed})) {
+	if ($key =~ /_section$/) { next; }
+	if ($key eq 'whatsnew' ) { next; } # whatsnew check creates no box
         if ($$checkallowed{$key}) {
             $totalboxes ++;
         }
     }
-    my $halfway = int($totalboxes/2) + $totalboxes%2;
+    my $currcolumn = 'left';
+#    my $halfway = int($totalboxes/2) + $totalboxes%2;
     foreach my $actionitem (@actionorder) {
-        if ($$checkallowed{$actionitem}) {
-            if ($displayed == $halfway) {
-                $r->print('</td><td width="6%">&nbsp;</td><td align="left" valign="top" width="47%">');
+        if ($checkallowed->{$actionitem}) {
+            if (($actioncolumn{$actionitem} eq 'right') && ($currcolumn eq 'left')) {
+                $r->print('</td><td>&nbsp;</td><td class="LC_right_col" >');
+                $currcolumn = 'right'; 
             }
-            &display_launcher($r,$actionitem,$refpage,$checkallowed,$tabbg,$rowColor1,$rowColor2,\%show,\%headings,\%res_title,\@tograde,\%ungraded,\@bombs,\%bombed,\%changed,\@warnings,\%triggered,\@newdiscussions,\%unread,$msgcount,\@newmsgs,$critmsgcount,\@critmsgs,$interval,$countunread);
+            &display_launcher($r,$actionitem,$refpage,$checkallowed,\%show,\%headings,\%res_title,\@tograde,\%ungraded,\@bombs,\%bombed,\%changed,\@warnings,\%triggered,\@newdiscussions,\%unread,$msgcount,\@newmsgs,$critmsgcount,\@critmsgs,\%interval,$countunread,\%expired,$expirecount,\%activated,$activecount,$crstype,$itemserror,\%loggedin,$logincount,\%sessions,$sessioncount,$classlist);
             $displayed ++; 
         }
     }
     $r->print('
-           </table>
-          </td>
-         </tr>
-        </table>
       </td>
     </tr>
-   </table>');
+   </table>
+   </form>
+');
 }
 
 #-------------------------------
@@ -436,7 +739,7 @@ sub display_actions_box {
 #-------------------------------
                                                                                 
 sub display_threshold_config {
-    my ($r,$refpage,$tabbg,$threshold_titles,$cdom,$crs) = @_;
+    my ($r,$refpage,$threshold_titles,$cdom,$crs) = @_;
     my $uname = $env{'user.name'};
     my $udom = $env{'user.dom'};
     my $cid = $env{'request.course.id'};
@@ -446,9 +749,6 @@ sub display_threshold_config {
     my $rowColor;
 
     my @thresholditems = ("av_attempts","degdiff","numstudents");
-    foreach my $item (@thresholditems) {
-        $threshold{$item} = '';
-    }
     my %threshold_titles = &Apache::lonlocal::texthash(
                          av_attempts => 'Average number of attempts',
                          degdiff => 'Degree of difficulty',
@@ -456,48 +756,36 @@ sub display_threshold_config {
                          );
     &get_curr_thresholds(\%threshold,$uname,$udom,$cid,$cdom,$crs);
 
-    $r->print('<br /><form name="thresholdform" method="post" action="/adm/whatsnew">
-        <table border="0" cellpadding="2" cellspacing="4">
-         <tr>
-          <td align="left" valign="top" width="45%">
-           <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000">
-            <tr>
-             <td>
-               <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000">
-                <tr>
-                <td bgcolor="#ffffff">
-                 <table cellspacing="0" cellpadding="4" border="0">
-     <tr bgcolor="'.$tabbg.'">
-      <th>Threshold Name</th>
-      <th>Current value</th>
-      <th>Change?</th>
-     </tr>');
-    my $rowNum =0;
+    $r->print('<br /><form name="thresholdform" method="post" action="/adm/whatsnew">'.
+              &Apache::loncommon::start_data_table().
+              &Apache::loncommon::start_data_table_header_row().
+             '<th>'.&mt('Threshold Name').'</th>'."\n".
+             '<th>'.&mt('Current value').'</th>'."\n".
+             '<th>'.&mt('Change?').'</th>'."\n".
+              &Apache::loncommon::end_data_table_header_row());
     foreach my $type (@thresholditems) {
         my $parameter = $env{'request.course.id'}.':threshold_'.$type;
 # onchange is javascript to automatically check the 'Set' button.
-        my $onchange = 'onFocus="javascript:window.document.forms'.
+        my $onchange = 'onfocus="javascript:window.document.forms'.
               "['thresholdform'].elements['".$parameter."_setparmval']".
               '.checked=true;"';
-        if ($rowNum %2 == 1) {
-            $rowColor = $rowColor1;
-        } else {
-            $rowColor = $rowColor2;
-        }
-        $r->print('
-     <tr bgcolor="'.$rowColor.'">
-      <td>'.$threshold_titles{$type}.'</td>
-      <td>'.&Apache::lonhtmlcommon::textbox($parameter.'_value',
+        my $aria_textbox = ' aria-label="'.&mt('Threshold value for [_1]',
+                                               $threshold_titles{$type}).'"';
+        my $aria_checkbox = ' aria-label="'.&mt('Change threshold value for [_1]',
+                                                $threshold_titles{$type}).'"';
+        $r->print(&Apache::loncommon::start_data_table_row()."\n".
+                 '<td>'.$threshold_titles{$type}.'</td>'."\n".
+                 '<td>'.&Apache::lonhtmlcommon::textbox($parameter.'_value',
                                             $threshold{$type},
-                                            10,$onchange).'</td>
-      <td>'
-           .&Apache::lonhtmlcommon::checkbox($parameter.'_setparmval').
-      '</td>
-     </tr>');
-        $rowNum ++;
+                                            10,$onchange.$aria_textbox).'</td>'."\n".
+                 '<td>'.
+                 &Apache::lonhtmlcommon::checkbox($parameter.'_setparmval',
+                                                  '','',$aria_checkbox).
+                 '</td>'."\n".
+                 &Apache::loncommon::end_data_table_row());
     }
-    $r->print('</table></td></tr></table></td></tr></table>
-           <br /><input type="submit" name="threshold" value="Make changes" />
+    $r->print(&Apache::loncommon::end_data_table()."\n".
+          '<br /><input type="submit" name="threshold" value="'.&mt('Save').'" />
                  <input type="hidden" name="command" value="update" />
                  <input type="hidden" name="refpage" value="'.$refpage.'" />
                </form>');
@@ -511,27 +799,62 @@ sub display_threshold_config {
 #-------------------------------
                                                                                    
 sub display_interval_config {
-    my ($r,$refpage,$interval_titles) = @_;
+    my ($r,$refpage,$interval_titles,$context) = @_;
+    my $setting = 'interval';
+    if ($context eq 'oldroles') {
+        $setting = 'oldroleinterval';
+    } elsif ($context eq 'newroles') {
+        $setting = 'newroleinterval'; 
+    } elsif ($context eq 'sessions') {
+        $setting = 'sessionactivity';
+    }
+    my $lctype = lc(&Apache::loncommon::course_type());
     my $current = &get_current($env{'user.name'},$env{'user.domain'},
-                                $env{'request.course.id'},'interval');
-    $r->print('<br />'.&mt('Choose the time window to use for display of version changes for resources in the course.'));
+                                $env{'request.course.id'},$setting);
+    if ($context eq 'oldroles') {
+        $r->print('<br />'.&mt('Choose the time window to use to display roles for which access to the '.$lctype.' expired.').'<br />');
+    } elsif ($context eq 'newroles') {
+        $r->print('<br />'.&mt('Choose the time window to use to display roles for which access to the '.$lctype.' became available.').'<br />');
+    } elsif ($context eq 'crslogin') {
+        $r->print('<br />'.&mt('Choose the time window to use to display the last login by a user in the '.$lctype).'<br />');
+    } elsif ($context eq 'sessions') {
+        $r->print('<br />'.&mt('Choose the time limit to use to display active user sessions in the '.$lctype.'.').'<br />');
+    } else {
+        $r->print('<br />'.&mt('Choose the time window to use to display resources in the '.$lctype.' with version changes.').'<br />');
+    }
     unless ($current eq '') {
-        $r->print(' '.&mt('Current value is [_1]','<b>'.
-                  $$interval_titles{$current}.'</b>.'));
+        if (ref($interval_titles->{$context}) eq 'HASH') {
+            $r->print(' '.&mt('Current value is "[_1]".','<b>'.
+                      $interval_titles->{$context}->{$current}.'</b>').'<br />');
+        }
     }
-    $r->print('<br /><br />
+    $r->print('<br />
 <form method="post" name="intervalswitch" action="/adm/whatsnew">
 <input type="hidden" name="command" value="newinterval" />
-<input type="hidden" name="refpage" value="'.$refpage.'" />
-<select name="interval">
+<input type="hidden" name="intervaltype" value="'.$context.'" />
+<input type="hidden" name="refpage" value="'.$refpage.'" />'.
+&mt('Display:').' 
+<select name="interval" aria-label="'.&mt('Choose time window').'">
+<option value="" selected="selected">'.&mt('Select').'</option>
 ');
-    foreach my $key (reverse sort ({$a cmp $b} (keys(%{$interval_titles})))) {
-        $r->print('<option value="'.$key.'">Version changes '.$$interval_titles{$key}.
-                  '</option>'."\n");
+    if (ref($interval_titles) eq 'HASH') {
+        if (ref($interval_titles->{$context}) eq 'HASH') {
+            my @sorted;
+            if ($context eq 'sessions') {
+                @sorted = sort { $a <=> $b } (keys(%{$interval_titles->{$context}}));
+                push(@sorted,shift(@sorted));
+            } else {
+                @sorted = reverse sort ({$a cmp $b} (keys(%{$interval_titles->{$context}})));
+            }
+            foreach my $key (@sorted) {
+                $r->print('<option value="'.$key.'">'.&mt($interval_titles->{$context}->{$key}).
+                          '</option>'."\n");
+            }
+        }
     }
     $r->print('</select>&nbsp;&nbsp;
                <input type="submit" name="display" value="'.
-               &mt('Change interval').'" /></form>');
+               &mt('Save').'" /></form>');
     return;
 }
 
@@ -549,24 +872,40 @@ sub display_discussion_config {
     if ($current eq '') {
         $current = 'on';
     }
-    my %status = (
-                    on => 'checked="checked"',
-                    off => 'checked="checked"',
-                 );
-    $status{$current} = '';
-    $r->print('<br />'.&mt('Choose whether or not to display a count of the number of new posts for each resource or bulletin board which has unread posts.').'<br />'.&mt('This can increase the time taken to gather data for the [_1] page by a few seconds.',"<i>What's New?</i>").'&nbsp;&nbsp;'.&mt('Currently set to [_1] .'),"<b>$current</b>.");
+    my %opposite = ( 
+                      'on' => 'off',
+                      'off' => 'on',
+                    );
+    $r->print('<script type="text/javascript">
+function toggle_countunread(choice) {
+    if (choice == "unchanged") {
+        document.discussionswitch.command.value = "";
+    }
+    document.discussionswitch.submit();
+}
+</script>');
+    $r->print('<br />'
+             .&mt('Choose whether or not to display a count of the number of new posts for each resource or discussion board which has unread posts.')
+             .'<br />'
+             .&mt("This can increase the time taken to gather data for the [_1]What's New Page[_2] by a few seconds.",'<i>','</i>')
+             .'&nbsp;&nbsp;'
+             .&mt('Currently set to [_1].','<b>'.$current.'</b>')
+    );
     $r->print('<br /><br />
-<form method="post" name="discussionswitch" action="/adm/whatsnew">'.
-&mt('Display of unread post counts?').'&nbsp;
+<form method="post" name="discussionswitch" action="/adm/whatsnew">
 <input type="hidden" name="command" value="newdiscconf" />
 <input type="hidden" name="refpage" value="'.$refpage.'" />
-<input type ="radio" '.$status{'on'}.' name="countunread" value="on">on
-&nbsp;&nbsp;&nbsp;
-<input type ="radio" '.$status{'off'}.' name="countunread" value="off">off
+<input type="hidden" name="countunread" value="'.$opposite{$current}.'" />
 ');
-    $r->print('<br/><br />
-               <input type="submit" name="display" value="'.
-               &mt('Make changes').'" /></form>');
+    $r->print('<br/>
+               <input type="button" name="display" value="'.
+               &mt('Change to [_1]',&mt($opposite{$current})).'" 
+               onclick="javascript:toggle_countunread('."'change'".')" />'.
+               ('&nbsp;' x7).
+               '<input type="button" name="nochange" value="'.
+               &mt("No change").'" 
+               onclick="javascript:toggle_countunread('."'unchanged'".')" />
+               </form>');
     return;
 }
 
@@ -583,13 +922,14 @@ sub courseinit_config {
     my ($control,$current) = &curr_courseinit();
     my @chgstate = ('userpref','coursespecific');
     my @chgentry = ('firstres','whatsnew');
+    my $lctype = lc(&Apache::loncommon::course_type());
     my %lt = &Apache::lonlocal::texthash(
-                             'chwp' => 'Choose which page will be displayed when you enter this course after selecting a role.',
+                             'chwp' => "Choose which page will be displayed when you enter this $lctype after selecting a role.",
                              'cuva' => 'Current value is determined by',
                              'anis' => 'and is set to display',
                              'padc' => 'Page display controlled by',
-                             'chce' => 'Choose course entry',
-                             'moce' => 'Modify course entry',
+                             'chce' => 'Choose '.$lctype.' entry',
+                             'moce' => 'Save',
     );
     $r->print(<<"END"); 
 <br />$lt{'chwp'}
@@ -599,17 +939,27 @@ $$initpage{$current}</b>.<br /><br />
 <form method="post" name="courseinitswitch" action="/adm/whatsnew">
 <input type="hidden" name="command" value="newcourseinit" />
 <input type="hidden" name="refpage" value="$refpage" />
-$lt{'padc'}&nbsp;&nbsp;
+$lt{'padc'}:&nbsp;&nbsp;
 END
     foreach my $choice (@chgstate) {
-        $r->print('<nobr><input type="radio" name="courseinit_control" value="'.
-                   $choice.'"/>'.$$initpage{$choice}.'&nbsp;&nbsp;</nobr>');
+        my $chkstring;
+        if ($choice eq $control) {
+            $chkstring = ' checked="checked" ';
+        }  
+        $r->print('<span class="LC_nobreak"><label><input type="radio" name="courseinit_control" value="'.
+                   $choice.'"'.$chkstring.'/>'.$$initpage{$choice}.
+                   '&nbsp;&nbsp;</label></span>');
     }
     $r->print('<br /><br />'.&mt('If').' '.$$initpage{'coursespecific'}.
-              '<br />'.$lt{'chce'}." \n");
+              ' - <br />'.$lt{'chce'}.": \n");
     foreach my $choice (@chgentry) {
-        $r->print('<nobr><input type="radio" name="courseinit_page" value="'.
-                  $choice.'"/>'.$$initpage{$choice}.'&nbsp;&nbsp;</nobr>');
+        my $chkstring;
+        if (($choice eq $current) && ($control eq 'coursespecific')) {
+            $chkstring = ' checked="checked" ';
+        }
+        $r->print('<span class="LC_nobreak"><label><input type="radio" name="courseinit_page" value="'.
+                  $choice.'"'.$chkstring.'/>'.$$initpage{$choice}.
+                  '&nbsp;&nbsp;</label></span>');
     }
     $r->print('<br /><br /><input type="submit" name="display" value="'.
                $lt{'moce'}.'" /></form>');
@@ -637,36 +987,44 @@ sub curr_courseinit {
 }
 
 sub display_launcher {
-    my ($r,$action,$refpage,$checkallowed,$tabbg,$rowColor1,$rowColor2,$show,
-        $headings,$res_title,$tograde,$ungraded,$bombs,$bombed,$changed,
-        $warnings,$triggered,$newdiscussions,$unread,$msgcount,$newmsgs,
-                          $critmsgcount,$critmsgs,$interval,$countunread) = @_;
+    my ($r,$action,$refpage,$checkallowed,$show,$headings,$res_title,
+        $tograde,$ungraded,$bombs,$bombed,$changed,$warnings,$triggered,
+        $newdiscussions,$unread,$msgcount,$newmsgs,$critmsgcount,$critmsgs,
+        $interval,$countunread,$expired,$expirecount,$activated,$activecount,
+        $crstype,$itemserror,$loggedin,$logincount,$sessions,$sessioncount,
+        $classlist) = @_;
 
     if ($$checkallowed{$action}) {
-        &start_box($r,$tabbg,$show,$headings,$action,$refpage);
+        &start_box($r,$show,$headings,$action,$refpage);
         if ($$show{$action}) {
             if ($action eq 'handgrading') {    # UNGRADED ITEMS
-                &display_handgrade($r,$tograde,$rowColor1,$rowColor2,
-                                                                    $ungraded);
+                &display_handgrade($r,$tograde,$ungraded,$itemserror);
             } elsif ($action eq 'haserrors') { # BOMBS
-                &display_haserrors($r,$bombs,$rowColor1,$rowColor2,$bombed,
-                                                                   $res_title);
+                &display_haserrors($r,$bombs,$bombed,$res_title,$itemserror);
             } elsif ($action eq 'versionchanges') { # VERSION CHANGES
-                &display_versionchanges($r,$changed,$res_title,$rowColor1,
-                                                         $rowColor2,$interval);
-
+                &display_versionchanges($r,$changed,$res_title,$interval->{'versions'},$itemserror);
             } elsif ($action eq 'abovethreshold') { # DEGDIFF/AV. TRIES TRIGGERS
                 &display_abovethreshold($r,$refpage,$warnings,$triggered,
-                                             $res_title,$rowColor1,$rowColor2);
+					$res_title,$itemserror,$checkallowed);
             } elsif ($action eq 'coursediscussion') { # UNREAD COURSE DISCUSSION
                 &display_coursediscussion($r,$newdiscussions,$unread,
-                                $countunread,$res_title,$rowColor1,$rowColor2);
+                                $countunread,$res_title,$itemserror);
             } elsif ($action eq 'coursenormalmail') { # NORMAL MESSAGES
-                &display_coursenormalmail($r,$msgcount,$newmsgs,$rowColor1,
-                                                                   $rowColor2);
+                &display_coursenormalmail($r,$msgcount,$newmsgs);
             } elsif ($action eq 'coursecritmail') { # CRITICAL MESSAGES
-                &display_coursecritmail($r,$critmsgcount,$critmsgs,$rowColor1,
-                                                                   $rowColor2);
+                &display_coursecritmail($r,$critmsgcount,$critmsgs);
+            } elsif ($action eq 'newroles') { # ACTIVATED ROLES
+                &display_rolechanges($r,$activecount,$activated,$interval->{'newroles'},
+                                     $crstype,$classlist);
+            } elsif ($action eq 'oldroles') { # EXPIRED ROLES
+                &display_rolechanges($r,$expirecount,$expired,$interval->{'oldroles'},
+                                     $crstype,$classlist);
+            } elsif ($action eq 'crslogin') { #LAST LOGIN
+                &display_activity($r,'logins',$logincount,$loggedin,$interval->{'crslogin'},
+                                   $crstype,$classlist);
+            } elsif ($action eq 'sessions') { #ACTIVE SESSIONS
+                &display_activity($r,'sessions',$sessioncount,$sessions,$interval->{'sessions'},
+                                  $crstype,$classlist);
             }
         }
         &end_box($r);
@@ -676,13 +1034,16 @@ sub display_launcher {
 
 sub getitems {
     my ($unread,$ungraded,$bombed,$triggered,$changed,$newdiscussions,
-        $tograde,$bombs,$warnings,$rowColor1,$rowColor2,$threshold,$cdom,$crs,
-                                 $res_title,$show,$starttime,$countunread) = @_;
+        $tograde,$bombs,$warnings,$threshold,$cdom,$crs,$res_title,$show,
+        $starttime,$countunread,$checkallowed) = @_;
     my $navmap = Apache::lonnavmaps::navmap->new();
+    if (!defined($navmap)) {
+        my $itemserror = '<span class="LC_warning">'.&mt('An error occurred retrieving information about the course.').'<br />'.&mt('It is recommended that you [_1]re-select the course[_2].','<a href="/adm/roles">','</a>').'</span>';
+        return $itemserror;
+    }
     # force retrieve Resource to seed the part id cache we'll need it later
     my @allres=$navmap->retrieveResources(undef,
                      sub {if ($_[0]->is_problem) { $_[0]->parts();} return 1;});
-    my %lastreadtime;
     my %resourcetracker;
     my $discussiontime;
 
@@ -691,23 +1052,11 @@ sub getitems {
         &checkversions($cdom,$crs,$navmap,$changed,$starttime);
     }
 
-    if ($$show{'coursediscussion'}) {   
-        my %lastread = &Apache::lonnet::dump('nohist_'.
-                        $env{'request.course.id'}.'_discuss',
-                        $env{'user.domain'},$env{'user.name'},'lastread');
-        foreach my $key (keys(%lastread)) {
-            my $newkey = $key;
-            $newkey =~ s/_lastread$//;
-            $lastreadtime{$newkey} = $lastread{$key};
-        }
-    }
- 
     if ($$show{'abovethreshold'}) {
         %resourcetracker =  &Apache::lonnet::dump('nohist_resourcetracker',
                                                                    $cdom,$crs);
     }
 
-    my $warningnum = 0;
     foreach my $resource (@allres) {
         my $result = '';
         my $applies = 0;
@@ -716,14 +1065,18 @@ sub getitems {
         %{$$ungraded{$symb}} = ();
         %{$$triggered{$symb}} = ();
         $$triggered{$symb}{numparts} = 0;
+        if ($resource->encrypted()) {
+            $$triggered{$symb}{'enclink'} = $resource->link();
+            $$triggered{$symb}{'encsymb'} = $resource->shown_symb();
+        }
         my $title = $resource->compTitle();
         $$res_title{$symb} = $title;
         my $ressymb = $resource->wrap_symb();
 
 # Check if there are unread discussion postings
         if ($$show{'coursediscussion'}) {
-            &check_discussions($cdom,$crs,$resource,$symb,$ressymb,$title,
-                                                      $newdiscussions,$unread);
+            &check_discussions($resource,$symb,$ressymb,$title,
+			       $newdiscussions,$unread,$countunread);
         }
 
 # Check for ungraded problems
@@ -741,87 +1094,62 @@ sub getitems {
 
 # Maxtries and degree of difficulty for problem parts, unless handgradeable
         if ($$show{'abovethreshold'}) {  
-            &check_thresholds($resource,$symb,\%resourcetracker,$triggered,
-                       $threshold,$warnings,$warningnum,$rowColor1,$rowColor2);
-        }
-
-    }
-    my $hasdiscussion = @{$newdiscussions};
-    if ($$show{'coursediscussion'} && $hasdiscussion) { # Get time of last post; 
-        $discussiontime = $navmap->{DISCUSSION_TIME};
-        foreach my $ressymb (@{$newdiscussions}) {
-            $$unread{$ressymb}{'lastpost'} = $$discussiontime{$ressymb};
-        }
-        if ($countunread eq 'on') { #Get count of unread postings for each resource 
-            my $discussiondata = $navmap->get_discussion_data();
-            foreach my $ressymb (@{$newdiscussions}) {
-                &get_discussions($cdom,$crs,$discussiondata,$ressymb,
-                                                       $unread,\%lastreadtime);
-            }
+            &check_thresholds($resource,$symb,\%resourcetracker,
+			      $triggered,$threshold,$warnings,
+                              $checkallowed);
         }
     }
+    return; 
 }
 
 sub check_discussions {
-    my ($cdom,$crs,$resource,$symb,$ressymb,$title,$newdiscussions,
-                                                                 $unread) = @_;
-    if ($resource->hasDiscussion()) {
-        %{$$unread{$ressymb}} = ();
-        $$unread{$ressymb}{'title'} = $title;
-        $$unread{$ressymb}{'symb'} = $symb;
-        push(@{$newdiscussions}, $ressymb);
-    }
-}
+    my ($resource,$symb,$ressymb,$title,$newdiscussions,$unread,
+	$countunread) = @_;
 
-sub get_discussions {
-    my ($cdom,$crs,$discussiondata,$ressymb,$unread,$lastreadtime) = @_;
-    my $prevread = 0;
-    my $unreadcount = 0;
-    if (defined($$lastreadtime{$ressymb})) {
-        $prevread = $$lastreadtime{$ressymb};
-    }
-    my $version = $$discussiondata{'version:'.$ressymb};
-    if ($version) {
-        my $hiddenflag = 0;
-        my $deletedflag = 0;
-        my ($hidden,$deleted);
-        for (my $id=$version; $id>0; $id--) {
-            my $vkeys=$$discussiondata{$id.':keys:'.$ressymb};
-            my @keys=split(/:/,$vkeys);
-            if (grep/^hidden$/,@keys) {
-                unless ($hiddenflag) {
-                    $hidden = $$discussiondata{$id.':'.$ressymb.':hidden'};
-                    $hiddenflag = 1;
-                }
-            } elsif (grep/^deleted$/,@keys) {
-                unless ($deletedflag) {
-                    $deleted = $$discussiondata{$id.':'.$ressymb.':deleted'};
-                    $deletedflag = 1;
-                }
-            } else {
-                unless (($hidden =~/\.$id\./) || ($deleted =~/\.$id\./)) {
-                    if ($prevread <$$discussiondata{$id.':'.$ressymb.':timestamp'}) {
-                        $unreadcount ++;
-                        $$unread{$ressymb}{$unreadcount} = $id.': '.
-                                 $$discussiondata{$id.':'.$ressymb.':subject'};
-                    }
-                }
-            }
-        }
-        $$unread{$ressymb}{'unreadcount'} = $unreadcount;
+    if (!$resource->hasDiscussion()) { return; }
+
+    %{$$unread{$ressymb}} = ();
+    $$unread{$ressymb}{'title'} = $title;
+    $$unread{$ressymb}{'symb'} = $symb;
+    if ($resource->encrypted()) {
+        $$unread{$ressymb}{'enclink'} = $resource->link();
+        $$unread{$ressymb}{'encsymb'} = $resource->shown_symb();
+    }
+    push(@{$newdiscussions}, $ressymb);
+    
+    $$unread{$ressymb}{'lastpost'} = $resource->last_post_time();
+    
+    if ($countunread eq 'on') {
+	$$unread{$ressymb}{'unreadcount'} = 
+                            $resource->discussion_info('unread');
     }
 }
 
-
 sub check_handgraded {
     my ($resource,$symb,$title,$cdom,$cnum,$ungraded,$tograde) = @_;
     if ($resource->is_problem()) {
-        my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
+        my ($handgradeable,$is_task);
         my $partlist=$resource->parts();
-        my $handgradeable;
-        foreach my $part (@$partlist) {
-            if ($resource->handgrade($part) eq 'yes') {
-                $handgradeable=1; last;
+        if ($resource->is_task()) {
+            $is_task = 1;
+            foreach my $part (@$partlist) {
+                if ($resource->handgrade($part) eq 'yes') {
+                    $handgradeable=1;
+                    last;
+                }
+            }
+        } else {
+            foreach my $part (@$partlist) {
+                my @types = $resource->responseType($part);
+                if (grep(/^essay$/,@types)) {
+                    $handgradeable=1;
+                    last;
+                } elsif (grep(/^custom$/,@types)) {
+                    if ($resource->handgrade($part) eq 'yes') {
+                        $handgradeable=1;
+                        last;
+                    }
+                }
             }
         }
         if ($handgradeable) {
@@ -830,7 +1158,12 @@ sub check_handgraded {
             if (@ungraded > 0) {
                 $$ungraded{$symb}{count} = scalar(@ungraded);
                 $$ungraded{$symb}{title} = $title;
-                push(@{$tograde}, $symb);
+                $$ungraded{$symb}{is_task} = $is_task;
+                if ($resource->encrypted()) {
+                    $$ungraded{$symb}{'enclink'} = $resource->link();
+                    $$ungraded{$symb}{'encsymb'} = $resource->shown_symb();
+                }
+                push(@{$tograde},$symb);
             }
         }
     }
@@ -844,7 +1177,7 @@ sub check_bombed {
         my @bombs = split(/,/, $errors);
         my $errorcount = scalar(@bombs);
         my $errorlink = '<a href="/adm/email?display='.
-                        &Apache::lonnet::escape($bombs[0]).'">'.
+                        &escape($bombs[0]).'">'.
                         $title.'</a>';
         $$bombed{$symb}{errorcount} = $errorcount;
         $$bombed{$symb}{errorlink} = $errorlink;
@@ -854,17 +1187,22 @@ sub check_bombed {
 
 sub check_thresholds {
     my ($resource,$symb,$resourcetracker,$triggered,$threshold,$warnings,
-                                       $warningnum,$rowColor1,$rowColor2) = @_;
+        $checkallowed) = @_;
 # Compile maxtries and degree of difficulty for problem parts, unless handgradeable
     my @parts = @{$resource->parts()};
     my %stats;
     my %lastreset = ();
     my $warning = 0;
-    my $rowColor;
     foreach my $part (@parts) {
         if ($resource->handgrade($part) eq 'yes') {
             next;
         }
+        if ($resource->is_anonsurvey($part)) {
+            next;
+        }
+        if ($resource->is_survey($part)) {
+            next;
+        }
         %{$stats{$part}} = ();
         my ($attempts,$users,$corrects,$degdiff,$av_attempts);
         if (exists($$resourcetracker{$symb."\0".$part."\0attempts"})) {
@@ -884,6 +1222,7 @@ sub check_thresholds {
             $av_attempts = $attempts/$users;
             $av_attempts = sprintf("%.2f",$av_attempts);
         }
+        &Apache::lonnet::statslog($symb,$part,$users,$av_attempts,$degdiff);
         if ((($degdiff ne '' && $degdiff >= $$threshold{'degdiff'}) || ($av_attempts ne '' && $av_attempts >= $$threshold{'av_attempts'})) && ($users >= $$threshold{'numstudents'})) {
             $stats{$part}{degdiff} = $degdiff;
             $stats{$part}{attempts} = $av_attempts;
@@ -896,50 +1235,54 @@ sub check_thresholds {
         }
     }
     if ($warning) {
-        if ($warningnum %2 == 1) {
-            $rowColor = $rowColor1;
-        } else {
-            $rowColor = $rowColor2;
-        }
         $$triggered{$symb}{title} = $resource->title;
+        my $partcount = 0;
+        @{$$triggered{$symb}{text}} = ();
         foreach my $part (@parts) {
             if (exists($stats{$part}{users})) {
-                my $resetname = 'reset_'.&Apache::lonnet::escape($symb."\0".$part);
-                my $resettitle = 'title_'.&Apache::lonnet::escape($symb."\0".$part);
-                if ($$triggered{$symb}{numparts}) {
-                    $$triggered{$symb}{text} .= '<tr bgcolor="'.$rowColor.'">'."\n";
-                }
+                my $resetname = 'reset_'.&escape($symb."\0".$part);
+                my $resettitle = 'title_'.&escape($symb."\0".$part);
                 if (@parts > 1) {
-                    $$triggered{$symb}{text} .= '
-                     <td align="right"><small>part - '.$part.'<small></td>';
+                    $$triggered{$symb}{text}[$partcount] = '
+                     <td>'.&mt('part - ').$part.'</td>';
                 } else {
-                    $$triggered{$symb}{text} .= '
-                     <td align="right"><small>single part</small></td>';
+                    $$triggered{$symb}{text}[$partcount] = '
+                     <td>'.&mt('single part').'</td>';
                 }
-                $$triggered{$symb}{text} .= '
-                     <td align="right"><small>'.$stats{$part}{users}.'</small></td>
-                     <td align="right"><small>'.$stats{$part}{attempts}.'</small></td>
-                     <td align="right"><small>'.$stats{$part}{degdiff}.'</small></td>
-                     <td align="right"><small>'.$lastreset{$part}.'</small></td>
-                     <td align="right"><small><input type="checkbox" name="'.$resetname.'" /><input type="hidden" name="'.$resettitle.'" value="'.&Apache::lonnet::escape($$triggered{$symb}{title}).'" /></td>
-                    </tr>';
-                $$triggered{$symb}{numparts} ++;
+                $$triggered{$symb}{text}[$partcount] .= '
+                     <td>'.$stats{$part}{users}.'</td>
+                     <td>'.$stats{$part}{attempts}.'</td>
+                     <td>'.$stats{$part}{degdiff}.'</td>
+                     <td>'.$lastreset{$part}.'</td>';
+                if ($checkallowed->{'resetcounters'}) {
+                    my $aria = ' aria-label="'.&mt('Reset counter for [_1] (part [_2])',
+                                                  $$triggered{$symb}{title},$part).'"';
+                    $$triggered{$symb}{text}[$partcount] .=
+                        '<td><input type="checkbox" name="'.$resetname.'"'.$aria.' />'.
+                        '<input type="hidden" name="'.$resettitle.'" value="'.&escape($$triggered{$symb}{title}).'" /></td>';
+                }
+                $partcount ++;
             }
+            $$triggered{$symb}{numparts} = $partcount;
         }
         push(@{$warnings},$symb);
-        $warningnum ++;
     }
 }
 
 
 sub get_curr_thresholds {
     my ($threshold,$uname,$udom,$cid,$cdom,$crs) = @_;
+    # set default values
+    %$threshold = (av_attempts => 2,
+                  degdiff => 0.5,
+                  numstudents => 2
+                  );
     my %thresholdsettings = &Apache::lonnet::dump('nohist_whatsnew',$udom,
                                                      $uname,$cid.':threshold');
     my $thresholdcount = 0;
     my ($tmp) = %thresholdsettings;
     unless ($tmp =~ /^(con_lost|error|no_such_host)/i) {
-        foreach my $item (keys %{$threshold}) { 
+        foreach my $item (keys(%{$threshold})) { 
             if (exists($thresholdsettings{$cid.':threshold_'.$item})) {
                 $$threshold{$item} = 
                              $thresholdsettings{$cid.':threshold_'.$item};
@@ -954,7 +1297,7 @@ sub get_curr_thresholds {
                                               $cdom,$crs,'internal.threshold');
     my ($temp) = %coursesettings;
     unless ($temp =~ /^(con_lost|error|no_such_host)/i) {  
-        foreach my $item (keys %{$threshold}) {
+        foreach my $item (keys(%{$threshold})) {
             unless (exists($thresholdsettings{$cid.':threshold_'.$item})) {
                 if (exists($coursesettings{'internal.threshold_'.$item})) {
                     $$threshold{$item} = 
@@ -979,7 +1322,11 @@ sub get_current {
 }
 
 sub process_reset {
-    my ($dom,$crs) = @_;
+    my ($dom,$crs,$checkallowed) = @_;
+    if (!$checkallowed->{'resetcounters'}) {
+        return '<b>'.&mt('You do not have the required privileges to reset counters').
+               '</b><br />';
+    }
     my $result = '<b>'.&mt('Counters reset for following problems (and parts):').
                            '</b><br />';
     my @agg_types = ('attempts','users','correct');
@@ -992,8 +1339,8 @@ sub process_reset {
     my %titles = ();
     foreach my $key (keys(%env)) {
         next if ($key !~ /^form\.reset_(.+)$/);
-        my $title = &Apache::lonnet::unescape($env{'form.title_'.$1});
-        my $reset_item = &Apache::lonnet::unescape($1);
+        my $title = &unescape($env{'form.title_'.$1});
+        my $reset_item = &unescape($1);
         my %curr_aggregates = &Apache::lonnet::dump('nohist_resourcetracker',$dom,$crs,$reset_item);
         my %aggregates = ();
         my ($symb,$part) = split(/\0/,$reset_item);
@@ -1020,57 +1367,67 @@ sub process_reset {
 
 sub process_update {
     my ($uname,$udom,$threshold_titles) = @_;
-    my $setoutput = '<b>Changes to threshold(s) for problem tracking:</b><br />';
-    foreach (keys %env) {
-        next if ($_!~/^form\.(.+)\_setparmval$/);
-        my $name  = $1;
+    my $setoutput = '<b>'.&mt('Changes to threshold(s) for problem tracking:').'</b><br/><br />';
+    foreach my $key (keys(%env)) {
+        my $name;
+        if ($key =~/^form\.(.+)\_setparmval$/) {
+            $name  = $1;
+        } else {
+            next;
+        }
         my $value = $env{'form.'.$name.'_value'};
-        if ($name && defined($value)) {
+        if ($name && defined($value) && ($value ne '')) {
             my $put_result = &Apache::lonnet::put('nohist_whatsnew',
                                                   {$name=>$value},$udom,$uname);
            
             my ($shortname) = ($name =~ /^\Q$env{'request.course.id'}\E:threshold_(.+)$/);
             if ($put_result eq 'ok') {
-                $setoutput.=&mt('Set threshold for [_1] to [_2]',
+                $setoutput.= &Apache::lonhtmlcommon::confirm_success(&mt('Set threshold for [_1] to [_2]',
 				'<b>'.$$threshold_titles{$shortname}.'</b>',
-				'<b>'.$value.'</b>').'<br />';
+				'<b>'.$value.'</b>').'<br />');
 	    } else {
-                $setoutput.=&mt('Unable to set threshold for [_1] to [_2] due to [_3].',
+                $setoutput.= &Apache::lonhtmlcommon::confirm_success(&mt('Unable to set threshold for [_1] to [_2] due to [_3].',
 				'<b>'.$name.'</b>','<b>'.$value.'</b>',
-				'<tt>'.$put_result.'</tt>').'<br />';
+				'<tt>'.$put_result.'</tt>').'<br />',1);
             }
         }
     }
-    return $setoutput;
+    return &Apache::loncommon::confirmwrapper($setoutput);
 }
 
 sub getnormalmail {
     my ($newmsgs) = @_;
-# Check for unread mail in course
+# Check for unread messages in user's INBOX (which were sent in context of current course).
     my $msgcount = 0;
-
-    my @messages = sort(&Apache::lonnet::getkeys('nohist_email'));
-    foreach my $message (@messages) {
-	my $msgid=&Apache::lonnet::escape($message);
-        my ($sendtime,$shortsubj,$fromname,$fromdom,$status,$fromcid)=
-            &Apache::lonmsg::unpackmsgid($msgid);
-        if (($fromcid) && ($fromcid eq $env{'request.course.id'})) {
-            if (defined($sendtime) && $sendtime!~/error/) {
-                my $numsendtime = $sendtime;
-                $sendtime = &Apache::lonlocal::locallocaltime($sendtime);
-                if ($status eq 'new') {
-                    $msgcount ++;
-                    if ($shortsubj eq '') {
-                        $shortsubj = &mt('No subject');
+    my @messages = &Apache::lonnet::getkeys('nohist_email');
+    return $msgcount if (!@messages);
+    my %emailstatus = &Apache::lonnet::dump('email_status');
+    foreach my $msgid (sort(@messages)) {
+        if ((!$emailstatus{$msgid}) || ($emailstatus{$msgid} eq 'new')) {
+            my $skipstatus;
+            if ($emailstatus{$msgid} eq 'new') {
+                $skipstatus = 1;
+            }
+            my $esc_msgid = &escape($msgid);
+            my ($sendtime,$shortsubj,$fromname,$fromdom,$status,$fromcid)=
+                &Apache::lonmsg::unpackmsgid($esc_msgid,undef,$skipstatus,undef,
+                                             $env{'request.course.id'});
+            if (($fromcid) && ($fromcid eq $env{'request.course.id'})) {
+                if (defined($sendtime) && $sendtime!~/error/) {
+                    if (($emailstatus{$msgid} eq 'new') || ($status eq 'new')) {
+                        $sendtime = &Apache::lonlocal::locallocaltime($sendtime);
+		        $msgcount ++;
+                        if ($shortsubj eq '') {
+                            $shortsubj = &mt('No subject');
+                        }
+                        push(@{$newmsgs}, {
+                            msgid    => $esc_msgid,
+                            sendtime => $sendtime,
+                            shortsub => $shortsubj,
+                            from     => $fromname,
+                            fromdom  => $fromdom
+                            });
                     }
-                    $shortsubj = &Apache::lonnet::unescape($shortsubj);
-                    push(@{$newmsgs}, {
-                        msgid    => $msgid,
-                        sendtime => $sendtime,
-                        shortsub => $shortsubj,
-                        from     => $fromname,
-                        fromdom  => $fromdom
-                        });
                 }
             }
         }
@@ -1080,24 +1437,24 @@ sub getnormalmail {
 
 sub getcritmail {
     my ($critmsgs) = @_; 
-# Check for critical messages in course
+# Check for critical messages which were sent in context of current course.
     my %what=&Apache::lonnet::dump('critical');
     my $result = '';
     my $critmsgcount = 0;
     foreach my $msgid (sort(keys(%what))) {
+        my $esc_msgid = &escape($msgid);
         my ($sendtime,$shortsubj,$fromname,$fromdom,$status,$fromcid)=
-            &Apache::lonmsg::unpackmsgid($msgid);
+            &Apache::lonmsg::unpackmsgid($esc_msgid,undef,1,undef,
+                                         $env{'request.course.id'});
         if (($fromcid) && ($fromcid eq  $env{'request.course.id'})) {
             if (defined($sendtime) && $sendtime!~/error/) {
-                my $numsendtime = $sendtime;
                 $sendtime = &Apache::lonlocal::locallocaltime($sendtime);
                 $critmsgcount ++;
                 if ($shortsubj eq '') {
                     $shortsubj = &mt('No subject');
                 }
-                $shortsubj = &Apache::lonnet::unescape($shortsubj);
                 push(@{$critmsgs}, {
-                        msgid    => $msgid,
+                        msgid    => $esc_msgid,
                         sendtime => $sendtime,
                         shortsub => $shortsubj,
                         from     => $fromname,
@@ -1109,6 +1466,310 @@ sub getcritmail {
     return $critmsgcount;
 }
 
+sub getexpired {
+    my ($rolechgs,$rolechgtime,$status,$classlist) = @_;
+    my $expirecount = &getrolechanges($rolechgs,$rolechgtime,$status,$classlist);
+    return $expirecount;
+}
+
+sub getactivated {
+    my ($rolechgs,$rolechgtime,$status,$classlist) = @_;
+    my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+    my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+    my $now = time();
+    my $context = 'course';
+    my ($permission,$allowed) =
+        &Apache::lonuserutils::get_permission($context);
+    my $viewablesec = &Apache::lonuserutils::viewable_section($permission);
+    my %changes=&Apache::lonnet::dump('nohist_rolelog',$cdom,$cnum);
+    my (%stucounted,%advcounted);
+    my $activatedcount = 0;
+    if (keys(%changes) > 0) {
+        foreach my $chg (keys(%changes)) {
+            if (ref($changes{$chg}) eq 'HASH') {
+                next if ($changes{$chg}{'delflag'});
+                if ($rolechgtime > 0) {
+                    next if ($changes{$chg}{'exe_time'} < $rolechgtime);
+                }
+                if ($changes{$chg}{'exe_time'}) {
+                    my $timestamp = $changes{$chg}{'exe_time'};
+                    if (ref($changes{$chg}{'logentry'}) eq 'HASH') {
+                        my $end = $changes{$chg}{'logentry'}{'end'};
+                        next if ($end && $end <= $now);
+                        my $start = $changes{$chg}{'logentry'}{'start'};
+                        next if ($start >= $timestamp);
+                        my $section = $changes{$chg}{'logentry'}{'section'};
+                        if (($viewablesec ne '') && ($section ne '')) {
+                            next if ($viewablesec ne $section);
+                        }
+                        my $role = $changes{$chg}{'logentry'}{'role'};
+                        my $uname = $changes{$chg}{'uname'};
+                        my $udom = $changes{$chg}{'udom'};
+                        if ($role eq 'st') {
+                            $stucounted{$uname.':'.$udom.':'.$section} = $start.':'.$end;
+                        } else {
+                            $advcounted{$uname.':'.$udom.':'.$role.':'.$section} = $start.':'.$end;
+                        }
+                        my %chginfo = (
+                                       'section' => $section,
+                                       'uname'   => $uname,
+                                       'udom'    => $udom,
+                                       'role'    => $role,
+                                       'status'  => $status,
+                        );
+                        $activatedcount ++;
+                        push (@{$rolechgs->{$timestamp}},\%chginfo);
+                    }
+                }
+            }
+        }
+    }
+    $activatedcount += &getrolechanges($rolechgs,$rolechgtime,$status,$classlist,\%stucounted,
+                                       \%advcounted);
+    return $activatedcount;
+}
+
+sub getrolechanges {
+    my ($rolechgs,$rolechgtime,$status,$classlist,$stucountref,$advcountref) = @_;
+    my (%stucounted,%advcounted);
+    if (ref($stucountref) eq 'HASH') {
+        %stucounted = %{$stucountref};
+    }
+    if (ref($advcountref) eq 'HASH') {
+        %advcounted = %{$advcountref};
+    }
+    my $withsec = 1;
+    my $hidepriv = 1;
+    my $context = 'course';
+    my @statuses = ($status);
+    my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+    my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+    my $now = time();
+    my ($permission,$allowed) =
+        &Apache::lonuserutils::get_permission($context);
+    my $viewablesec = &Apache::lonuserutils::viewable_section($permission);
+    my $secidx = &Apache::loncoursedata::CL_SECTION();
+    my $startidx = &Apache::loncoursedata::CL_START();
+    my $endidx = &Apache::loncoursedata::CL_END();
+    my $rolechgcount = 0;
+    if (ref($classlist) eq 'HASH') {
+        foreach my $key (keys(%{$classlist})) {
+            my ($userstatus,$eventtime);   
+            my $student = $classlist->{$key};
+            if (ref($student) eq 'ARRAY') {
+                my $start = $student->[$startidx];
+                my $end = $student->[$endidx];
+                my $sec = $student->[$secidx]; 
+                my ($stuname,$studom) = split(/:/,$key);
+                if ($status eq 'active') {
+                    if (exists($stucounted{$key.':'.$sec})) {
+                        next;
+                    }
+                }
+                if (($end == 0) || ($end > $start)) {
+                    if ($start <= $now) {
+                        if ($end && $end < $now) {
+                            if ($rolechgtime > 0) {
+                                if ($end > $rolechgtime) {
+                                    $userstatus = 'previous';
+                                }
+                            } else {
+                                $userstatus = 'previous';
+                            }
+                        } else {
+                            if ($rolechgtime > 0) {
+                                if ($start >= $rolechgtime) {
+                                    $userstatus = 'active';
+                                }
+                            } else {
+                                $userstatus = 'active';
+                            }
+                        }
+                    }
+                }
+                next if ($userstatus ne $status);
+                if ($status eq 'active') {
+                    $eventtime = $start;
+                } else {
+                    $eventtime = $end;
+                }
+                if (($viewablesec ne '') && ($sec ne '')) {
+                    next if ($viewablesec ne $sec);
+                }
+                my %chginfo = (
+                                'section' => $sec,
+                                'uname'   => $stuname,
+                                'udom'    => $studom,
+                                'role'    => 'st', 
+                                'status'  => $userstatus,
+                              );
+                $rolechgcount ++;
+                push(@{$rolechgs->{$eventtime}},\%chginfo);
+            }
+        }
+    }
+    my %advrolehash = &Apache::lonnet::get_my_roles($cnum,$cdom,undef,
+                              \@statuses,undef,undef,$withsec,$hidepriv);
+    foreach my $item (keys(%advrolehash)) {
+        my ($userstatus,$eventtime);
+        my ($uname,$udom,$role,$section) = split(/:/,$item,-1);
+        my ($start,$end) = split(/:/,$advrolehash{$item});
+        if ($start eq '-1' && $end eq '-1') {
+            next;
+        } else {
+            if ($status eq 'active') {
+                if (exists($advcounted{$item})) {
+                    next;
+                }
+            }
+            if (($end == 0) || ($end > $start)) {
+                if ($start <= $now) {
+                    if ($end && $end < $now) {
+                        if ($rolechgtime > 0) {
+                            if ($end > $rolechgtime) {
+                                $userstatus = 'previous';
+                            }
+                        } else {
+                            $userstatus = 'previous';
+                        }
+                    } else {
+                        if ($rolechgtime > 0) {
+                            if ($start >= $rolechgtime) {
+                                $userstatus = 'active';
+                            }
+                        } else {
+                            $userstatus = 'active';
+                        }
+                    }
+                }
+            }
+            next if ($userstatus ne $status);
+            if ($status eq 'active') {
+                $eventtime = $start;
+            } else {
+                $eventtime = $end;
+            }
+        }
+        if (($viewablesec ne '') && ($section ne '')) {
+            next if ($viewablesec ne $section);
+        }
+        my %chginfo = ( 
+                        'section' => $section,
+                        'uname'   => $uname,
+                        'udom'    => $udom,
+                        'role'    => $role,
+                        'status'  => $userstatus,    
+                      );
+        $rolechgcount ++; 
+        push (@{$rolechgs->{$eventtime}},\%chginfo); 
+    }
+    return $rolechgcount;
+}
+
+sub getloggedin {
+    my ($cdom,$crs,$lastlogins,$starttime) = @_;
+    my $context = 'course';
+    my ($permission,$allowed) =
+        &Apache::lonuserutils::get_permission($context);
+    my $viewablesec = &Apache::lonuserutils::viewable_section($permission);
+    my %crslogins=&Apache::lonnet::dump('nohist_crslastlogin',$cdom,$crs);
+    my $logincount = 0;
+    my ($tmp) = keys(%crslogins);
+    unless ($tmp =~ /^(con_lost|error|no_such_host)/i) {
+        if (keys(%crslogins) > 0) {
+            foreach my $key (keys(%crslogins)) {
+                my ($uname,$udom,$section,$role) = split(/:/,$key);
+                my $eventtime = $crslogins{$key};
+                if ($eventtime > $starttime) {
+                    if (($viewablesec ne '') && ($section ne '')) {
+                        next if ($viewablesec ne $section);
+                    }
+                    my %chginfo = (
+                                   'section' => $section,
+                                   'uname'   => $uname,
+                                   'udom'    => $udom,
+                                   'role'    => $role,
+                    );
+                    $logincount ++;
+                    push (@{$lastlogins->{$eventtime}},\%chginfo);
+                }
+            }
+        }
+    }
+    return $logincount;
+}
+
+sub getsessions {
+    my ($cdom,$cnum,$sessions,$lastactive,$classlist) = @_;
+    my $context = 'course';
+    my ($permission,$allowed) =
+        &Apache::lonuserutils::get_permission($context);
+    my %crs_sessions = &Apache::lonnet::get_course_sessions($cnum,$cdom,$lastactive);
+    my $sessioncount = 0;
+    if (keys(%crs_sessions) > 0) {
+        if (ref($classlist) eq 'HASH') {
+            my $viewablesec = &Apache::lonuserutils::viewable_section($permission);
+            my $secidx = &Apache::loncoursedata::CL_SECTION();
+            my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'_'.$cnum,1);
+            my %personnel;
+            foreach my $role (sort(keys(%coursepersonnel))) {
+                my ($rolecode,$section);
+                if ($role =~ /:/) {
+                    ($rolecode,$section) = split(/:/,$role);
+                } else {
+                    $rolecode = $role;
+                }
+                if ($viewablesec ne '') {
+                    next if ($viewablesec ne $section);
+                }
+                foreach my $user (split(/\,/,$coursepersonnel{$role})) {
+                    push(@{$personnel{$user}{$rolecode}},$section);
+                }
+            }
+            foreach my $key (keys(%crs_sessions)) {
+                if (exists($classlist->{$key})) {
+                    my $student = $classlist->{$key};
+                    my $section = $student->[$secidx];
+                    my $lastaccess = $crs_sessions{$key};
+                    if ($viewablesec ne '') {
+                        next if ($viewablesec ne $section);
+                    }
+                    my ($stuname,$studom) = split(/:/,$key);
+                    my %info = (
+                                 'section' => $section,
+                                 'role'    => 'st',
+                                 'uname'   => $stuname,
+                                 'udom'    => $studom,
+                    );
+                    $sessioncount ++;
+                    push(@{$sessions->{$lastaccess}},\%info);
+                } elsif (exists($personnel{$key})) {
+                    my $lastaccess = $crs_sessions{$key};
+                    my ($uname,$udom) = split(/:/,$key);
+                    if (ref($personnel{$key}) eq 'HASH') {
+                        my ($showrole,$showsec);
+                        foreach my $possrole ('cc','co','in','ta','ep','ad','st') {
+                            if (exists($personnel{$key}{$possrole})) {
+                                $showrole = $possrole;
+                                $showsec = join(', ',@{$personnel{$key}{$possrole}});
+                                last;
+                            }
+                        }
+                        my %info = (
+                                     'section' => $showsec,
+                                     'role'    => $showrole,
+                                     'uname'   => $uname,
+                                     'udom'    => $udom,
+                        );
+                        $sessioncount ++;
+                        push(@{$sessions->{$lastaccess}},\%info);
+                    }
+                }
+            }
+        }
+    }
+    return $sessioncount;
+}
 
 sub checkversions {
     my ($cdom,$crs,$navmap,$changed,$starttime) = @_;
@@ -1126,7 +1787,7 @@ sub checkversions {
                                                      'lastrevisiondate');
                     $revdate =  &Apache::lonlocal::locallocaltime($revdate);
                     my $linkurl=&Apache::lonnet::clutter($key);
-                    my $usedversion=$navmap->usedVersion('version_'.$linkurl);
+                    my $usedversion=$navmap->usedVersion($linkurl);
                     my @resources = $navmap->getResourceByUrl($linkurl,1);
                     if (($usedversion) && ($usedversion ne 'mostrecent')) {
                         $version = $usedversion;     
@@ -1151,63 +1812,77 @@ sub checkversions {
 }
 
 sub display_handgrade {
-    my ($r,$tograde,$rowColor1,$rowColor2,$ungraded) = @_;
-    my $rowColor;
+    my ($r,$tograde,$ungraded,$itemserror) = @_;
     my %lt = &Apache::lonlocal::texthash(
                         'prna' => 'Problem Name',
                         'nmun' => 'Number ungraded',
                         'nopr' => 'No problems require handgrading',
     );
     if (@{$tograde} > 0) {
-        $r->print('<tr bgcolor="#cccccc"><td><b><small>'.$lt{'prna'}.'</small></b></td><td align="right"><b><small>'.$lt{'nmun'}.'</small></b></td></tr>');
+        $r->print('<tr class="LC_info_row"><td class="LC_left_item">'.
+                  $lt{'prna'}.'</td><td class="LC_right_item">'.
+                  $lt{'nmun'}.'</td></tr>');
         my $rowNum = 0;
         foreach my $res (@{$tograde}) {
-            if ($rowNum %2 == 1) {
-                $rowColor = $rowColor1;
+            $rowNum ++;
+            my $css_class = $rowNum%2?' class="LC_odd_row"':'';
+            my $linkurl;
+            if ($$ungraded{$res}{'is_task'}) {
+                my ($map,$id,$url)=&Apache::lonnet::decode_symb($res);
+                $linkurl=&Apache::lonnet::clutter($url);
+                $linkurl .= '?symb='.&escape($res);
+                if ($$ungraded{$res}{'enclink'}) {
+                    $linkurl =
+                        $$ungraded{$res}{'enclink'}.'?symb='.$$ungraded{$res}{'encsymb'};
+                }
             } else {
-                $rowColor = $rowColor2;
+                $linkurl='/adm/grades';
+                if ($$ungraded{$res}{'enclink'}) {
+                    $linkurl.='?symb='.$$ungraded{$res}{'encsymb'};
+                } else {
+                    $linkurl.='?symb='.&escape($res);
+                }
+                $linkurl.='&amp;command=ungraded';
             }
-            my ($map,$id,$url)=&Apache::lonnet::decode_symb($res);
-            my $linkurl=&Apache::lonnet::clutter($url);
-            $linkurl .= '?symb='.&Apache::lonnet::escape($res);
-                                                                               
-            $r->print('<tr bgcolor="'.$rowColor.'"><td><a href="'.$linkurl.'"><small>'.$$ungraded{$res}{title}.'</small></a></td><td align="right"><small>'.$$ungraded{$res}{count}.'</small></td></tr>');
-            $rowNum ++;
+            $r->print('<tr'.$css_class.'><td><a href="'.$linkurl.'">'.$$ungraded{$res}{title}.'</a></td><td class="LC_right_item">'.$$ungraded{$res}{count}.'</td></tr>');
         }
+    } elsif ($itemserror) {
+        $r->print('<tr class="LC_empty_row"><td>'.$itemserror.'</td></tr>');
     } else {
-        $r->print('<tr><td bgcolor="#ffffff"><br><center><i><b><small>&nbsp;&nbsp;'.$lt{'nopr'}.'&nbsp;&nbsp;</small><br><br></b></i></td></tr>');
+        $r->print('<tr class="LC_empty_row"><td>'.$lt{'nopr'}.'</td></tr>');
     }
 }
 
 sub display_haserrors {
-    my ($r,$bombs,$rowColor1,$rowColor2,$bombed,$res_title) = @_;
+    my ($r,$bombs,$bombed,$res_title,$itemserror) = @_;
     my $bombnum = 0;
-    my $rowColor;
     my %lt = &Apache::lonlocal::texthash(
                                    reso => 'Resource',
                                    nmer => 'Number of errors',
                                    noer => 'No problems with errors',
     );
     if (@{$bombs} > 0) {
-        $r->print('<tr bgcolor="#cccccc"><td><b><small>'.$lt{'reso'}.'</small></b></td><td align="right"><b><small>'.$lt{'nmer'}.'</small></b></td></tr>');
+        $r->print('<tr class="LC_info_row"><td class="LC_left_item">'.
+                  $lt{'reso'}.'</td><td class="LC_right_item">'.
+                  $lt{'nmer'}.'</td></tr>');
         @{$bombs} = sort { &cmp_title($a,$b,$res_title) } @{$bombs};
         foreach my $bomb (@{$bombs}) {
-            if ($bombnum %2 == 1) {
-                $rowColor = $rowColor1;
-            } else {
-                $rowColor = $rowColor2;
-            }
-            $r->print('<tr bgcolor="'.$rowColor.'"><td><small>'.$$bombed{$bomb}{errorlink}.'</small></td><td align="right"><small>'.$$bombed{$bomb}{errorcount}.'</small></td></tr>');
             $bombnum ++;
+            my $css_class = $bombnum%2?' class="LC_odd_row"':'';
+            $r->print('<tr'.$css_class.'><td>'.$$bombed{$bomb}{errorlink}.
+                      '</td><td class="LC_right_item">'.
+                      $$bombed{$bomb}{errorcount}.'</td></tr>');
         }
+    } elsif ($itemserror) {
+        $r->print('<tr class="LC_empty_row"><td>'.$itemserror.'</td></tr>');
     } else {
-        $r->print('<tr><td bgcolor="#ffffff"><br /><center><b><i><small>'.$lt{'noer'}.'</small></i></b></center><br /></td></tr>');
+        $r->print('<tr class="LC_empty_row"><td>'.$lt{'noer'}.'</td></tr>');
     }
     return;
 }
 
 sub display_abovethreshold {
-    my ($r,$refpage,$warnings,$triggered,$res_title,$rowColor1,$rowColor2) = @_;
+    my ($r,$refpage,$warnings,$triggered,$res_title,$itemserror,$checkallowed) = @_;
     my %lt = &Apache::lonlocal::texthash(
                  reso => 'Resource',
                  part => 'Part',
@@ -1219,171 +1894,368 @@ sub display_abovethreshold {
                  rese => 'Reset counters to 0',
                  nopr => 'No problems satisfy threshold criteria',
     );
-    my $rowColor; 
-    my $warningnum = 0;
     if (@{$warnings} > 0) {
         @{$warnings} = sort { &cmp_title($a,$b,$res_title) } @{$warnings};
-        $r->print('<form name="reset_tracking" method="post" action="/adm/whatsnew">'.
-                ' <input type="hidden" name="command" value="reset" />'."\n".
-                ' <input type="hidden" name="refpage" value="'.$refpage.'" />'.
-                "\n");
-        $r->print('<tr bgcolor="#cccccc"><td><b><small>'.$lt{'reso'}.'</small></b></td><td align="right"><b><small>'.$lt{'part'}.'</small></b></td><td align="right"><b><small>'.$lt{'nust'}.'</small></b></td><td align="right"><b><small>'.$lt{'avat'}.'</small></b></td><td align="right"><b><small>'.$lt{'dedi'}.'</small></b></td><td align="right"><b><small>'.$lt{'lare'}.'</small></b></td><td align="right"><b><small>'.$lt{'reco'}.'</small></b></td></tr>');
+        $r->print('<tr class="LC_info_row">'.
+		  '<td class="LC_left_item">'.$lt{'reso'}.
+                  '<input type="hidden" name="command" value="" /></td>'.
+		  '<td>'.$lt{'part'}.'</td><td>'.$lt{'nust'}.'</td>'.
+		  '<td>'.$lt{'avat'}.'</td><td>'.$lt{'dedi'}.'</td>'.
+		  '<td>'.$lt{'lare'}.'</td>');
+        if ($checkallowed->{'resetcounters'}) {
+            $r->print('<td  class="LC_right_item">'.$lt{'reco'}.'</td>');
+        }
+        $r->print('</tr>');
+	my $row;
         foreach my $res (@{$warnings}) {
-            if ($warningnum %2 == 1) {
-                $rowColor = $rowColor1;
-            } else {
-                $rowColor = $rowColor2;
-            }
+	    $row++;
             my ($map,$id,$url)=&Apache::lonnet::decode_symb($res);
             my $linkurl=&Apache::lonnet::clutter($url);
             my $rowspan;
             if ($$triggered{$res}{numparts} > 1) {
                 $rowspan = 'rowspan="'.$$triggered{$res}{numparts}.'"';
             }
-            $linkurl .= '?symb='.&Apache::lonnet::escape($res);
-            $r->print('<tr bgcolor="'.$rowColor.'"><td '.$rowspan.'><a href="'.$linkurl.'"><small>'.$$triggered{$res}{title}.'</small></a></td>'.$$triggered{$res}{text});
-            $warningnum ++;
+            $linkurl .= '?symb='.&escape($res);
+            if ($$triggered{$res}{'enclink'}) {
+                $linkurl = 
+                  $$triggered{$res}{'enclink'}.'?symb='.$$triggered{$res}{'encsymb'};
+            }
+            my $css_class = $row%2?' class="LC_odd_row"':'';
+            $r->print('<tr'.$css_class.'>'.
+		      '<td class="LC_first_item" '.$rowspan.'><a href="'.$linkurl.'">'.
+		      $$triggered{$res}{title}.'</a></td>');
+                      if (ref($$triggered{$res}{text}) eq 'ARRAY') {
+		          $r->print($$triggered{$res}{text}[0]);
+                      }
+                      $r->print('</tr>');
+            if (ref($$triggered{$res}{text}) eq 'ARRAY') {
+                if (@{$$triggered{$res}{text}} > 1) {
+                    for (my $i=1; $i<@{$$triggered{$res}{text}}; $i++) {
+                        $r->print('<tr '.$css_class.'>'.
+                                  $$triggered{$res}{text}[$i].'</tr>');
+                    }
+                }
+            }
         }
-        $r->print('<tr bgcolor="#cccccc"><td colspan="7" align="right"><br /><b><small><input type="submit" name="counters" value="'.$lt{'rese'}.'" /></form>');
+        if ($checkallowed->{'resetcounters'}) {
+            $r->print('<tr class="LC_info_row"><td colspan="7" class="LC_right_item"><br /><input type="button" name="counters" value="'.$lt{'rese'}.'" onclick="javascript:thresholdreset();" /></td></tr>');
+        }
+    } elsif ($itemserror) {
+        $r->print('<tr class="LC_empty_row"><td>'.$itemserror.'</td></tr>');
     } else {
-        $r->print('<tr><td bgcolor="#ffffff"><br /><center><b><i><small>'.$lt{'nopr'}.'</small></i></b></center><br /></td></tr>');
+        $r->print('<tr class="LC_empty_row"><td>'.$lt{'nopr'}.'</td></tr>');
     }
 }
 
 sub display_versionchanges {
-    my ($r,$changed,$res_title,$rowColor1,$rowColor2,$interval) = @_;
+    my ($r,$changed,$res_title,$interval,$itemserror) = @_;
     my %lt = &Apache::lonlocal::texthash(
         'reso' => 'Resource',
         'revd' => 'Last revised',
         'newv' => 'New version',
         'veru' => 'Version used',
-        'noup' => 'No updated versions', 
     );
-    my $rowColor;
     if (keys(%{$changed}) > 0) {
-        $r->print('<tr bgcolor="#cccccc"><td><b><small>'.$lt{'reso'}.'</small></b></td><td><b><small>'.$lt{'revd'}.'</small></b></td><td><b><small>'.$lt{'newv'}.'</small></b></td><td><b><small>'.$lt{'veru'}.'</small></b></td></tr>');
-        
-        
+        $r->print('<tr class="LC_info_row"><td class="LC_left_item">'.
+                  $lt{'reso'}.'</td><td>'.$lt{'revd'}.'</td><td>'.
+                  $lt{'newv'}.'</td><td class="LC_right_item">'.
+                  $lt{'veru'}.'</td></tr>');
         my @changes = sort { &cmp_title($a,$b,$res_title) } keys(%{$changed});
         my $changenum = 0;
         foreach my $item (@changes) {
-            if ($changenum %2 == 1) {
-                $rowColor = $rowColor1;
-            } else {
-                $rowColor = $rowColor2;
-            }
+            $changenum ++;
+            my $css_class = $changenum%2?' class="LC_odd_row"':'';
             my ($map,$id,$url)=&Apache::lonnet::decode_symb($item);
             my $linkurl=&Apache::lonnet::clutter($url);
-            $linkurl .= '?symb='.&Apache::lonnet::escape($item);
+            $linkurl .= '?symb='.&escape($item);
 
-            $r->print('<tr bgcolor="'.$rowColor.'"><td><small><a href="'.$linkurl.'">'.$$res_title{$item}.'</a></small></td><td><small>'.$$changed{$item}{'revdate'}.'</small></td><td><small>'.$$changed{$item}{'current'}.'</small></td><td><small>'.$$changed{$item}{'version'}.'</small></td></tr>');
-            $changenum ++;
+            $r->print('<tr'.$css_class.'><td><a href="'.$linkurl.'">'.
+                      $$res_title{$item}.'</a></td><td>'.
+                      $$changed{$item}{'revdate'}.'</td><td>'.
+                      $$changed{$item}{'current'}.'</td><td>'.
+                      $$changed{$item}{'version'}.'</td></tr>');
+        }
+    } elsif ($itemserror) {
+        $r->print('<tr class="LC_empty_row"><td>'.$itemserror.'</td></tr>');
+    } else {
+        $r->print('<tr class="LC_empty_row"><td>'
+                 .&mt('No '.$interval).'</td></tr>');
+    }
+    return;
+}
+
+sub display_rolechanges {
+    my ($r,$chgcount,$changed,$interval,$crstype,$classlist) = @_;
+    my $now = time();
+    my %lt = &Apache::lonlocal::texthash(
+        'user'  => 'User',
+        'tich'  => 'Time of change',
+        'role'  => 'Role',
+        'sec'   => 'Section',
+        'status'  => 'Status',
+    );
+    if ($chgcount) {
+        $r->print('<tr class="LC_info_row">'.
+                  '<td class="LC_left_item">'.$lt{'tich'}.'</td>'.
+                  '<td class="LC_left_item">'.$lt{'user'}.'</td>'.
+                  '<td class="LC_left_item">'.$lt{'role'}.'</td>'.
+                  '<td class="LC_left_item">'.$lt{'sec'}.'</td>'.
+                  '<td class="LC_left_item">'.$lt{'status'}.'</td></tr>');
+        if (ref($changed) eq 'HASH') {
+            my @changes = sort { $b <=> $a } (keys(%{$changed}));
+            my $changenum = 0;
+            my $fullnameidx = &Apache::loncoursedata::CL_FULLNAME();
+            foreach my $item (@changes) {
+                if (ref($changed->{$item}) eq 'ARRAY') {
+                    foreach my $chg (@{$changed->{$item}}) {
+                        if (ref($chg) eq 'HASH') {
+                            my $section;
+                            my $role = 
+                                &Apache::lonnet::plaintext($chg->{'role'},$crstype);
+                            my $status = &mt($chg->{'status'});
+                            if ($chg->{'section'} eq '') {
+                                $section = &mt('none');
+                            } else {
+                                $section = $chg->{'section'};
+                            }
+                            my $uname = $chg->{'uname'};
+                            my $udom = $chg->{'udom'};
+                            $changenum ++;
+                            my $css_class = $changenum%2?' class="LC_odd_row"':'';
+                            my $fullname;
+                            if (ref($classlist->{$uname.':'.$udom}) eq 'ARRAY') {
+                                $fullname = $classlist->{$uname.':'.$udom}->[$fullnameidx];
+                            } else {
+                                $fullname = &Apache::loncommon::plainname($uname,$udom,'lastname');
+                            }
+                            my $link = 
+                                &Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
+                            $r->print('<tr'.$css_class.'>'.
+                                      '<td>'.&Apache::lonlocal::locallocaltime($item).'</td>'.
+                                      '<td>'.$link.'</td>'.
+                                      '<td>'.$role.'</td>'.
+                                      '<td>'.$section.'</td>'.
+                                      '<td>'.$status.'</td></tr>');
+                        }
+                    }
+                }
+            }
+        }
+    } else {
+        $r->print('<tr class="LC_empty_row"><td>'
+                 .&mt('There are no '.$interval).'</td></tr>');
+    }
+    return;
+}
+
+sub display_activity {
+    my ($r,$context,$count,$details,$interval,$crstype,$classlist) = @_;
+    return unless (ref($classlist) eq 'HASH');
+    my %lt = &Apache::lonlocal::texthash(
+        'user'   => 'User',
+        'role'   => 'Role',
+        'sec'    => 'Section',
+        'number' => 'Total number of logins',
+    );
+    my $prefix = 'login';
+    if ($context eq 'sessions') {
+        $lt{'number'} = &mt('Total number of active user sessions');
+        $lt{'active'} = &mt('Last active');
+        $prefix = 'session';
+    }
+    if ($count) {
+
+        my $hdr = '<tr class="LC_info_row" style="display:none" id="'.$prefix.'titledet">'.
+                  '<td class="LC_left_item">'.$lt{'user'}.'</td>'.
+                  '<td class="LC_left_item">'.$lt{'role'}.'</td>'.
+                  '<td class="LC_left_item">'.$lt{'sec'}.'</td>';
+        if ($context eq 'sessions') {
+            $hdr .= '<td class="LC_left_item">'.$lt{'active'}.'</td>';
+        }
+        $hdr .= '</tr>'."\n".
+                '<tr class="LC_info_row" id="'.$prefix.'titlesum">'.
+                '<td class="LC_left_item">'.$lt{'number'}.'</td>'.
+                '<td class="LC_left_item">'.$lt{'role'}.'</td>'.
+                '<td class="LC_left_item">'.$lt{'sec'};
+        my (%bylastname,%counts);
+        if (ref($details) eq 'HASH') {
+            my @items = sort { $b <=> $a } (keys(%{$details}));
+            my $num = 0;
+            my $fullnameidx = &Apache::loncoursedata::CL_FULLNAME();
+            foreach my $item (@items) {
+                if (ref($details->{$item}) eq 'ARRAY') {
+                    foreach my $user (@{$details->{$item}}) {
+                        if (ref($user) eq 'HASH') {
+                            my $section;
+                            my $role =
+                                &Apache::lonnet::plaintext($user->{'role'},$crstype);
+                            if ($user->{'section'} eq '') {
+                                $section = &mt('none');
+                            } else {
+                                $section = $user->{'section'};
+                            }
+                            $counts{$user->{'role'}}{$section} ++;
+                            my $uname = $user->{'uname'};
+                            my $udom = $user->{'udom'};
+                            my $fullname;
+                            if (ref($classlist->{$uname.':'.$udom}) eq 'ARRAY') {
+                                $fullname = $classlist->{$uname.':'.$udom}->[$fullnameidx];
+                            } else {
+                                $fullname = &Apache::loncommon::plainname($uname,$udom,'lastname');
+                            }
+                            my $link =
+                                &Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
+                            my $entry = '<td>'.$link.'</td>'.
+                                        '<td>'.$role.'</td>'.
+                                        '<td>'.$section.'</td>';
+                            if ($context eq 'sessions') {
+                                $entry .= '<td>'.&Apache::lonlocal::locallocaltime($item).'</td>';
+                            }
+                            push(@{$bylastname{$fullname}},$entry);
+                        }
+                    }
+                }
+            }
+            my $table;
+            foreach my $person (sort(keys(%bylastname))) {
+                if (ref($bylastname{$person}) eq 'ARRAY') {
+                    foreach my $item (@{$bylastname{$person}}) {
+                        $num ++;
+                        my $css_class = $num%2?' class="LC_odd_row"':'';
+                        $table .= '<tr'.$css_class.' style="display:none;"  id="'.$prefix.'det_'.$num.'">'.$item.'</tr>';
+                    }
+                }
+            }
+            my $numrow = 0;
+            foreach my $role (sort(keys(%counts))) {
+                my $showrole = &Apache::lonnet::plaintext($role,$crstype);
+                if (ref($counts{$role}) eq 'HASH') {
+                    foreach my $sec (sort { $b <=> $a } (keys(%{$counts{$role}}))) {
+                        $numrow ++;
+                        my $css_class = $numrow%2?' class="LC_odd_row"':'';
+                        $table .= '<tr '.$css_class.' id="'.$prefix.'sum_'.$numrow.'">'.
+                                  '<td>'.$counts{$role}{$sec}.'</td>'.
+                                  '<td>'.$showrole.'</td>'.
+                                  '<td>'.$sec.'</td></tr>';
+                   }
+                }
+            }
+            $r->print($hdr.'<input type="hidden" name="'.$prefix.'count" value="'.$num.
+                      '" /><input type="hidden" name="'.$prefix.'row" value="'.$numrow.
+                      '" /></td></tr>'.$table);
         }
     } else {
-        $r->print('<tr><td bgcolor="#ffffff"><br /><center><b><i><small>'.$lt{'noup'}.' '.$interval.'</small></i></b></center><br /></td></tr>');
+        $r->print('<tr class="LC_empty_row"><td>'.
+                  &mt('There are no '.$interval).
+                  '<input type="hidden" name="'.$prefix.'count" value="'.$count.
+                  '." /></td></tr>');
     }
     return;
 }
- 
+
 sub display_coursediscussion {
-    my ($r,$newdiscussions,$unread,$countunread,$res_title,$rowColor1,
-                                                              $rowColor2) = @_;
+    my ($r,$newdiscussions,$unread,$countunread,$res_title,$itemserror) = @_;
+    my $lctype = lc(&Apache::loncommon::course_type());
     my %lt = &Apache::lonlocal::texthash(
                 'loca' => 'Location',
                 'type' => 'Type',
                 'numn' => 'Number of new posts',
-                'noun' => 'No unread posts in course discussions',
+                'noun' => 'No unread posts in '.$lctype.' discussions',
                 'tmlp' => 'Time of last post', 
     );
-    my $rowColor;
     if (@{$newdiscussions} > 0) {
-        $r->print('<tr bgcolor="#cccccc"><td><b><small>'.$lt{'loca'}.
-                  '</small></b></td><td><b><small>'.$lt{'type'}.
-                  '</small></b>');
+        $r->print('<tr class="LC_info_row"><td class="LC_left_item">'.
+                  $lt{'loca'}.'</td><td>'.
+                  $lt{'type'}.'</td>');
         if ($countunread eq 'on') {
-            $r->print('<td><b><small>'.$lt{'tmlp'}.'</small></b></td>'.
-                      '<td align="right"><b><small>'.$lt{'numn'}.
-                      '</small></b></td>');
+            $r->print('<td>'.$lt{'tmlp'}.'</td>'.
+                      '<td class="LC_right_item">'.$lt{'numn'}.'</td>');
         } else {
-            $r->print('<td align="right"><b><small>'.$lt{'tmlp'}.
-                         '</small></b></td>');
+            $r->print('<td class="LC_right_item">'.$lt{'tmlp'}.'</td>');
         }
         $r->print("</tr>\n");
         @{$newdiscussions} = sort { &cmp_title($a,$b,$res_title) }
                                                             @{$newdiscussions};
         my $rowNum = 0;
         foreach my $ressymb (@{$newdiscussions}) {
+            $rowNum ++;
             my $forum_title = $$unread{$ressymb}{'title'};
             my $type = 'Resource';
             my $feedurl=&Apache::lonfeedback::get_feedurl($ressymb);
+            my $disclink = $feedurl.'?symb='. &escape($$unread{$ressymb}{symb});
             if ($feedurl =~ /bulletinboard/) {
-                $type = 'Bulletin Board';
+                $type = 'Discussion Board';
             }
-            if ($rowNum %2 == 1) {
-                $rowColor = $rowColor1;
-            } else {
-                $rowColor = $rowColor2;
+            if ($$unread{$ressymb}{'enclink'}) {
+                $disclink = $$unread{$ressymb}{'enclink'}.'?symb='.$$unread{$ressymb}{'encsymb'};
             }
+            my $css_class = $rowNum%2?' class="LC_odd_row"':'';
             my $lastpost = &Apache::lonnavmaps::timeToHumanString(
                                                $$unread{$ressymb}{'lastpost'});
-            $r->print('<tr bgcolor="'.$rowColor.'"><td><small><a href="'.$feedurl.'?symb='.$$unread{$ressymb}{symb}.'">'.$forum_title.'</a>&nbsp;</td><td><small>'.$type.'&nbsp;</small></td>');
+            $r->print('<tr'.$css_class.'><td><a href="'.$disclink.'">'.$forum_title.'</a>&nbsp;</td><td>'.&mt($type).'&nbsp;</td>');
             if ($countunread eq 'on') {
                 my $unreadnum = $$unread{$ressymb}{'unreadcount'};
-                $r->print('<td><small>'.$lastpost.'<small></td><td align="right">'.
-                          '<small>',$unreadnum.'&nbsp;</small></td>');
+                $r->print('<td>'.$lastpost.'</td><td class="LC_right_item">'.
+                          $unreadnum.'&nbsp;</td>');
             } else {
-                $r->print('<td align="right"><small>'.$lastpost.'</small></td>');
+                $r->print('<td class="LC_right_item">'.$lastpost.'</td>');
             }
             $r->print("</tr>\n");
-            $rowNum ++;
         }
+    } elsif ($itemserror) {
+        $r->print('<tr class="LC_empty_row"><td>'.$itemserror.'</td></tr>');
     } else {
-        $r->print('<tr><td bgcolor="#ffffff"><br><center>&nbsp;<i><b><small>'.
-                  $lt{'noun'}.'</small></b></i><br><br></td></tr>');
+        $r->print('<tr class="LC_empty_row"><td>'.$lt{'noun'}.'</td></tr>');
     }
 }
 
 sub display_coursenormalmail {
-    my ($r,$msgcount,$newmsgs,$rowColor1,$rowColor2) = @_;
-    my $rowColor;
+    my ($r,$msgcount,$newmsgs) = @_;
+    my $lctype = lc(&Apache::loncommon::course_type());
     if ($msgcount > 0) {
-        $r->print('<tr bgcolor="#cccccc"><td><b><small>'.&mt('Number').'</small></b></td><td><b><small>'.&mt('Subject').'</small></b></td><td><b><small>'.&mt('Sender').'</small></b></td><td><b><small>'.&mt('Date/Time').'</small></b></td></tr>');
-        my $rowNum = 0;
-        my $mailcount = 1;
+        $r->print('<tr class="LC_info_row"><td class="LC_left_item">'.
+                  &mt('Number').'</td><td>'.&mt('Subject').'</td><td>'.
+                  &mt('Sender').'</td><td class="LC_right_item">'.
+                  &mt('Date/Time').'</td></tr>');
+        my $mailcount = 0;
         foreach my $msg (@{$newmsgs}) {
-            if ($rowNum %2 == 1) {
-                $rowColor = $rowColor1;
-            } else {
-                $rowColor = $rowColor2;
-            }
-            $r->print('<tr bgcolor="'.$rowColor.'"><td valign="top"><small>'.$mailcount.'. &nbsp;</small></td><td valign="top"><small><a href="/adm/communicate">'.$msg->{'shortsub'}.'</a>&nbsp; &nbsp;</small></td><td valign="top"><small>&nbsp;'.$msg->{'from'}.'@'.$msg->{'fromdom'}.'&nbsp;</small></td><td valign="top"><small>'.$msg->{'sendtime'}.'</small></td></tr>');
-            $rowNum ++;
             $mailcount ++;
+            my $css_class = $mailcount%2?' class="LC_odd_row"':'';
+            $r->print('<tr'.$css_class.'><td>'.$mailcount
+                      .'.&nbsp;</td><td><a href="/adm/email?display='
+                      .$msg->{'msgid'}.'">'
+                      .$msg->{'shortsub'}.'</a>&nbsp;&nbsp;</td><td>&nbsp;'
+                      .$msg->{'from'}.':'.$msg->{'fromdom'}.'&nbsp;</td><td>'
+                      .$msg->{'sendtime'}.'</td></tr>');
         }
     } else {
-        $r->print('<tr><td bgcolor="#ffffff" width="100%"><center><br /><b><i><small>'.&mt('No new course messages').'</small></i></b><br /><br /></center></td></tr>');
+        $r->print('<tr class="LC_empty_row"><td>'.
+                  &mt('No new '.$lctype.' messages').'</td></tr>');
     }
 }
 
 sub display_coursecritmail {
-    my ($r,$critmsgcount,$critmsgs,$rowColor1,$rowColor2) = @_;
-    my $rowColor;
+    my ($r,$critmsgcount,$critmsgs) = @_;
+    my $lctype = lc(&Apache::loncommon::course_type());
     if ($critmsgcount > 0) {
-        $r->print('<tr bgcolor="#cccccc"><td><b><small>'.&mt('Number').'</small></b></td><td><b><small>'.&mt('Subject').'</small></b></td><td><b><small>'.&mt('Sender').'</small></b></td><td><b><small>'.&mt('Date/Time').'</small></b></td></tr>');
-        my $rowNum = 0;
-        my $mailcount = 1;
+        $r->print('<tr class="LC_info_row"><td class="LC_left_item">'.
+                  &mt('Number').'</td><td>'.&mt('Subject').'</td><td>'.
+                  &mt('Sender').'</td><td class="LC_right_item">'.
+                  &mt('Date/Time').'</td></tr>');
+        my $mailcount = 0;
         foreach my $msg (@{$critmsgs}) {
-            if ($rowNum %2 == 1) {
-                $rowColor = $rowColor1;
-            } else {
-                $rowColor = $rowColor2;
-            }
-            $r->print('<tr bgcolor="'.$rowColor.'"><td valign="top"><small>'.$mailcount.'. &nbsp;<small></td><td valign="top"><small><a href="/adm/email?folder=critical">'.$msg->{'shortsub'}.'</a>&nbsp; &nbsp;</small></td><td valign="top"><small>&nbsp;'.$msg->{'from'}.'@'.$msg->{'fromdom'}.'&nbsp;</small></td><td valign="top"><small>'.$msg->{'sendtime'}.'</small></td></tr>');
-            $rowNum ++;
             $mailcount ++;
+            my $css_class = $mailcount%2?' class="LC_odd_row"':'';
+            $r->print('<tr'.$css_class.'><td>'.$mailcount.
+                      '. &nbsp;</td><td><a href="/adm/email?folder=critical">'.
+                      $msg->{'shortsub'}.'</a>&nbsp; &nbsp;</td><td>&nbsp;'.
+                      $msg->{'from'}.':'.$msg->{'fromdom'}.'&nbsp;</td><td>'.
+                      $msg->{'sendtime'}.'</td></tr>');
         }
     } else {
-        $r->print('<tr><td bgcolor="#ffffff" width="100%"><center><br /><b><i><small>'.&mt('No unread critical messages in course').'</small></i></b><br /><br /></center></td></tr>');
+        $r->print('<tr class="LC_empty_row"><td>'.
+                  &mt('No unread critical messages in '.$lctype).
+                  '</td></tr>');
     }
 }
 
@@ -1401,9 +2273,10 @@ sub get_display_settings {
     my ($tmp) = keys(%settings);
     if ($tmp=~ /^(con_lost|error|no_such_host)/i) {
         %settings = ();
-        unless ($tmp eq 'error: 2 tie(GDBM) Failed while attempting dump') {
-            &logthis('Error retrieving whatsnew settings: '.$tmp.' for '.
-                                $uname.':'.$udom.' for course: '.$cid);
+        unless ($tmp =~ /^error: 2 /) {
+	    my $lctype = lc(&Apache::loncommon::course_type());
+            &Apache::lonnet::logthis('Error retrieving whatsnew settings: '.
+            $tmp.' for '.$uname.':'.$udom.' for '.$lctype.': '.$cid);
         }
     }
     return %settings;
@@ -1414,6 +2287,7 @@ sub store_display_settings {
     my %whatsnew_settings;
     my $result;
     foreach my $key (keys(%{$checkallowed})) {
+	if ($key =~ /_section$/) { next; }
         if (exists($env{'form.display_'.$key})) {
             unless ($env{'form.display_'.$key} eq '') {
                 $whatsnew_settings{$cid.':'.$key} = $env{'form.display_'.$key};
@@ -1433,23 +2307,36 @@ sub store_interval_setting {
     my ($uname,$udom,$cid,$interval_titles) = @_;
     my %interval_settings = ();
     my $result;
-    if (defined($env{'form.interval'})) {
-        $interval_settings{$cid.':interval'} = $env{'form.interval'};
+    my $context = $env{'form.intervaltype'};
+    if ($env{'form.interval'} ne '') {
+        if ($context eq 'oldroles') {
+            $interval_settings{$cid.':oldroleinterval'} = $env{'form.interval'};
+        } elsif ($context eq 'newroles') {
+            $interval_settings{$cid.':newroleinterval'} = $env{'form.interval'};
+        } elsif ($context eq 'crslogin') {
+            $interval_settings{$cid.':crslogininterval'} = $env{'form.interval'};
+        } elsif ($context eq 'sessions') {
+            $interval_settings{$cid.':sessionactivity'} = $env{'form.interval'};
+        } else {
+            $interval_settings{$cid.':interval'} = $env{'form.interval'};
+        }
         my $outcome = &Apache::lonnet::put('nohist_whatsnew',
                                              \%interval_settings,$udom,$uname);
         if ($outcome eq 'ok') {
-            $result = &mt('Interval set to version changes [_1]',
-                  '<b>'.$$interval_titles{$env{'form.interval'}}.'</b><br />');
-
+            if (ref($interval_titles->{$context}) eq 'HASH') {
+                $result = &Apache::lonhtmlcommon::confirm_success(&mt('New filter setting: [_1].','<b>'. 
+                              $interval_titles->{$context}->{$env{'form.interval'}}.'</b>').'<br />');
+            }
         } else {
-            &Apache::lonnet::logthis('Error storing whatsnew interval setting'.
-                     ' '.$outcome.' for '.$uname.':'.$udom.' in course '.$cid);
-            $result = &mt('Unable to set interval to [_1] due to [_2].',
-                         '<b>'.$$interval_titles{$env{'form.interval'}}.'</b>',
-                         '<tt>'.$outcome.'</tt>.<br />');
+	    my $lctype = lc(&Apache::loncommon::course_type());
+            &Apache::lonnet::logthis('Error saving whatsnew '.$context.' interval setting'.
+                ' '.$outcome.' for '.$uname.':'.$udom.' in '.$lctype.' '.$cid);
+            $result = &Apache::lonhtmlcommon::confirm_success(&mt('Unable to set interval to [_1] due to [_2].',
+                         '<b>'.$interval_titles->{$context}->{$env{'form.interval'}}.'</b>',
+                         '<tt>'.$outcome.'</tt>'),1);
         }
     }
-    return $result;
+    return &Apache::loncommon::confirmwrapper($result);
 }
 
 sub store_discussion_setting {
@@ -1461,19 +2348,20 @@ sub store_discussion_setting {
         my $outcome = &Apache::lonnet::put('nohist_whatsnew',
                                              \%discussion_settings,$udom,$uname);
         if ($outcome eq 'ok') {
-            $result = &mt('Count unread posts in discussions display set to [_1]',
-                  '<b>'.$env{'form.countunread'}.'</b><br />');
+            $result = &Apache::lonhtmlcommon::confirm_success(&mt('Count unread posts in discussions display set to [_1]',
+                  '<b>'.&mt($env{'form.countunread'}).'</b>').'<br />');
                                                                                   
         } else {
-            &Apache::lonnet::logthis('Error storing whatsnew countunread setting'.
-                     ' '.$outcome.' for '.$uname.':'.$udom.' in course '.$cid);
-            $result = &mt('Unable to set "number unread posts display" to [_1]'.
+	    my $lctype = lc(&Apache::loncommon::course_type());
+            &Apache::lonnet::logthis('Error saving whatsnew countunread setting'.
+                ' '.$outcome.' for '.$uname.':'.$udom.' in '.$lctype.' '.$cid);
+            $result = &Apache::lonhtmlcommon::confirm_success(&mt('Unable to set "number unread posts display" to [_1]'.
                           ' due to [_2].',
-                         '<b>'.$env{'form.countunread'}.'</b>',
-                         '<tt>'.$outcome.'</tt>.<br />');
+                         '<b>'.&mt($env{'form.countunread'}).'</b>',
+                         '<tt>'.$outcome.'</tt>'),1);
         }
     }
-    return $result;
+    return &Apache::loncommon::confirmwrapper($result);
 }
 
 sub store_courseinit_setting {
@@ -1493,36 +2381,38 @@ sub store_courseinit_setting {
             }
         }
         if ($page_control) {
+	    my $lctype = lc(&Apache::loncommon::course_type());
             my $outcome = &Apache::lonnet::put('nohist_whatsnew',
                                            \%courseinit_settings,$udom,$uname);
             if ($outcome eq 'ok') {
                 if ($page_control eq 'global preferences') {
-                    $result = &mt('Page displayed after role selection in course now set by [_1]',"<b>user's global preferences</b>.");
+                    $result = &Apache::lonhtmlcommon::confirm_success(&mt("Page displayed after role selection in $lctype now set by [_1]user's global preferences[_2].",'<b>','</b>'));
                 } else {
-                    $result = &mt('Page displayed after role selection in this course set to [_1]','<b>'.$$initpage{$env{'form.courseinit_page'}}.'</b>.');
+                    $result = &Apache::lonhtmlcommon::confirm_success(&mt('Page displayed after role selection in this '.$lctype.' set to [_1].'
+                                 ,'<b>'.$$initpage{$env{'form.courseinit_page'}}.'</b>'));
                 }
             } else {
-                &Apache::lonnet::logthis('Error storing whatsnew courseinit '.
+                &Apache::lonnet::logthis('Error saving whatsnew courseinit '.
                                          'setting: '.$outcome.' for '.$uname.
-                                                 ':'.$udom.' in course '.$cid);
+                                         ':'.$udom.' in '.$lctype.' '.$cid);
                 if ($page_control eq 'global preferences') {
-                    $result = &mt('Unable to set control of page display to [_1]'.
+                    $result = &Apache::lonhtmlcommon::confirm_success(&mt('Unable to set control of page display to [_1]'.
                           ' due to [_2].',
                          '<b>'.$page_control.'</b>',
-                         '<tt>'.$outcome.'</tt>.<br />');
+                         '<tt>'.$outcome.'</tt>'),1);
                 } else {
-                    $result = &mt('Unable to set page display, after role selection, for this course to [_1] due to [_2].',
-                         '<b>'.$$initpage{$env{'form.courseinit_page'}}.'</b>',
-                         '<tt>'.$outcome.'</tt>.<br />');
+                    $result = &Apache::lonhtmlcommon::confirm_success(&mt('Unable to set page display, after role selection, for this '.$lctype.' to [_1] due to [_2].'
+                                 ,'<b>'.$$initpage{$env{'form.courseinit_page'}}.'</b>'
+                                 ,'<tt>'.$outcome.'</tt>'),1);
                 }
             }
         }
     }
-    return $result;
+    return &Apache::loncommon::confirmwrapper($result);
 }
 
 sub start_box {
-    my ($r,$tabbg,$show,$heading,$caller,$refpage) = @_;
+    my ($r,$show,$heading,$caller,$refpage) = @_;
     my %lt = &Apache::lonlocal::texthash( 
                        chth => 'Change thresholds?',
                        chin => 'Change interval?',
@@ -1531,54 +2421,75 @@ sub start_box {
     my $showhide;
     if ($$show{$caller}) {
         $showhide = '<b><a href="javascript:change_display(document.visible.'.
-                               'display_'.$caller.",'hide'".');">Hide</a></b>';
+                               'display_'.$caller.",'hide'".');">'.
+                               &mt('Hide').'</a></b>';
    
     } else {
         $showhide = '<b><a href="javascript:change_display(document.visible.'.
-                               'display_'.$caller.",'show'".');">Show</a></b>';
+                               'display_'.$caller.",'show'".');">'.
+                               &mt('Show').'</a></b>';
     }
     
     $r->print('
-         <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
+         <table class="LC_nested_outer">
           <tr>
-           <td>
-            <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
-              <tr>
-               <td bgcolor="'.$tabbg.'">
-                <table width="100%" border="0" cellspacing="0" cellpadding="0">
-                 <tr>
-                  <td><b>'.$$heading{$caller}.'</b></td>
-                  <td valign="top" align="right">'.$showhide.'</td>
-                 </tr>
-                </table>
-               </td>
-              </tr>');
+           <th class="LC_left_item">'.$$heading{$caller}.'</th>
+           <th class="LC_right_item">'.$showhide.'</th>
+          </tr>');
      if (($caller eq 'abovethreshold') && ($$show{$caller})) {
          if ($$show{$caller}) {
              $r->print('
               <tr>
-                <td bgcolor="'.$tabbg.'" align="right"><a href="/adm/whatsnew?command=chgthreshold&refpage='.$refpage.'"><b><small>'.$lt{'chth'}.'</small></b></a></td>
+                <td class="LC_subheader" colspan="2"><a href="/adm/whatsnew?command=chgthreshold&amp;refpage='.$refpage.'">'.$lt{'chth'}.'</a></td>
               </tr>');
          }
      } elsif (($caller eq 'versionchanges') && ($$show{$caller})) {
          if ($$show{$caller}) {
              $r->print('
               <tr>
-                <td bgcolor="'.$tabbg.'" align="right"><a href="/adm/whatsnew?command=chginterval&refpage='.$refpage.'"><b><small>'.$lt{'chin'}.'</small></b></a></td>
+                <td class="LC_subheader" colspan="2"><a href="/adm/whatsnew?command=chginterval&amp;refpage='.$refpage.'">'.$lt{'chin'}.'</a></td>
               </tr>');
          }
      } elsif ($caller eq 'coursediscussion') {
          if ($$show{$caller}) {
              $r->print('
               <tr>
-                <td bgcolor="'.$tabbg.'" align="right"><a href="/adm/whatsnew?command=chgdisc&refpage='.$refpage.'"><b><small>'.$lt{'chop'}.'</small></b></a></td>
+                <td class="LC_subheader" colspan="2"><a href="/adm/whatsnew?command=chgdisc&amp;refpage='.$refpage.'">'.$lt{'chop'}.'</a></td>
               </tr>');
          }
-     }
-     $r->print('
+     } elsif (($caller eq 'newroles') && ($$show{$caller})) {
+         if ($$show{$caller}) {
+             $r->print('
+              <tr>
+                <td class="LC_subheader" colspan="2"><a href="/adm/whatsnew?command=chgnewroleinterval&amp;refpage='.$refpage.'">'.$lt{'chin'}.'</a></td>
+              </tr>');
+         }
+     } elsif (($caller eq 'oldroles') && ($$show{$caller})) {
+         if ($$show{$caller}) {
+             $r->print('
+              <tr>
+                <td class="LC_subheader" colspan="2"><a href="/adm/whatsnew?command=chgoldroleinterval&amp;refpage='.$refpage.'">'.$lt{'chin'}.'</a></td>
+              </tr>');
+         }
+    } elsif (($caller eq 'crslogin') && ($$show{$caller})) {
+        if ($$show{$caller}) {
+            $r->print('
               <tr>
-               <td bgcolor="#ffffff">
-                <table cellpadding="2" cellspacing="0" border="0" width="100%">
+                <td class="LC_subheader" align="left"><span class="LC_nobreak"><label><input type="radio" name="logindetails" value="0" checked="checked" onclick="javascript:toggledetails('."'login'".');" />&nbsp;'.&mt('Summary').'</label><label><input type="radio" name="logindetails" value="1" onclick="javascript:toggledetails('."'login'".');" />&nbsp;'.&mt('Details').'</label></span></td><td class="LC_subheader"><a href="/adm/whatsnew?command=chgcrslogininterval&amp;refpage='.$refpage.'">'.$lt{'chin'}.'</a></td>
+              </tr>');
+        }
+    } elsif (($caller eq 'sessions') && ($$show{$caller})) {
+        if ($$show{$caller}) {
+            $r->print('
+              <tr>
+                <td class="LC_subheader" align="left"><span class="LC_nobreak"><label><input type="radio" name="sessiondetails" value="0" checked="checked" onclick="javascript:toggledetails('."'session'".');" />&nbsp;'.&mt('Summary').'</label><label><input type="radio" name="sessiondetails" value="1" onclick="javascript:toggledetails('."'session'".');" />&nbsp;'.&mt('Details').'</label></span></td><td class="LC_subheader"><a href="/adm/whatsnew?command=chgsessionlimit&amp;refpage='.$refpage.'">'.$lt{'chin'}.'</a></td>
+              </tr>');
+        }
+    }
+    $r->print('
+              <tr>
+               <td colspan="2">
+                <table class="LC_nested">
 ');
     return;
 }
@@ -1586,9 +2497,6 @@ sub start_box {
 sub end_box {
     my ($r) = shift;
     $r->print('
-      </table>
-     </td>
-    </tr>
    </table>
   </td>
  </tr>