--- loncom/interface/lonwhatsnew.pm	2005/04/07 04:22:03	1.4
+++ loncom/interface/lonwhatsnew.pm	2025/03/22 21:18:30	1.132
@@ -1,5 +1,7 @@
+# The LearningOnline Network
+# What's New in a course
 #
-# $Id: lonwhatsnew.pm,v 1.4 2005/04/07 04:22:03 albertel Exp $
+# $Id: lonwhatsnew.pm,v 1.132 2025/03/22 21:18:30 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -35,8 +37,14 @@ use Apache::lonhtmlcommon();
 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
@@ -45,22 +53,156 @@ use Time::Local;
 
 sub handler {
     my $r = shift;
-    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['command']);
+    if ($r->header_only) {
+        &Apache::loncommon::content_type($r,'text/html');
+        $r->send_http_header;
+        return OK;
+    }
+    &Apache::loncommon::get_unprocessed_cgi(
+                                   $ENV{'QUERY_STRING'},['command','refpage']);
+
+    my $command = $env{'form.command'};
+    my $refpage = $env{'form.refpage'};
+
+    my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+    my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
 
-    my $command = $ENV{'form.command'};
+    my ($isadhoc,%checkallowed);
 
-    if ($command eq '') {
-        $command = "info";
+    if ($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'};
+	    }
+	}
     }
 
-    $r->print(&display_header());
-    if (! (($ENV{'request.course.fn'}) && (&Apache::lonnet::allowed('vsa',$ENV{'request.course.id'})))) {
-        # Not in a course, or not allowed to modify parms
-        $ENV{'user.error.msg'}="/adm/whatsnew:vsa:0:0:Cannot display student activity";
+    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;
     }
 
-    &display_main_box($r,$command);
+    &Apache::loncommon::content_type($r,'text/html');
+    $r->send_http_header;
+
+    my $udom = $env{'user.domain'};
+    my $uname = $env{'user.name'};
+    my $cid = $env{'request.course.id'};
+    my $store_result = &store_display_settings($uname,$udom,$cid,\%checkallowed);
+    my $store_error;
+
+    unless ($store_result eq 'ok') {
+        my $lctype = lc(&Apache::loncommon::course_type());
+        &Apache::lonnet::logthis('Error saving whatsnew settings: '.
+            $store_result.' for '.'user '.$uname.':'.$udom.' in '.$lctype.' '.$cid);
+        $store_error = '<span class="LC_error">'
+                  .&mt('Unable to save visibility settings due to [_1]',
+                       $store_result)
+                  .'</span>';
+    }
+
+    $r->print(&display_header($command,$uname,$udom,$cid,\%checkallowed));
+
+    &Apache::lonhtmlcommon::clear_breadcrumbs();
+    &Apache::lonhtmlcommon::add_breadcrumb
+            ({href=>'/adm/whatsnew',
+              text=>"What's New?"});
+    if (($command eq 'chgthreshold') && $checkallowed{'abovethreshold'}) {
+        &Apache::lonhtmlcommon::add_breadcrumb
+            ({href=>'/adm/whatsnew?command=chgthreshold&amp;refpage='.$refpage,
+              text=>"Change thresholds"});
+        $r->print(&Apache::lonhtmlcommon::breadcrumbs
+            ("What's New?",#'Course_Action_Items_Thresholds'
+	     ));
+    } elsif (($command eq 'chginterval') && $checkallowed{'versionchanges'} ) {
+        &Apache::lonhtmlcommon::add_breadcrumb
+            ({href=>'/adm/whatsnew?command=chginterval&amp;refpage='.$refpage,
+              text=>"Change interval"});
+        $r->print(&Apache::lonhtmlcommon::breadcrumbs
+            ("What's New?",#'Course_Action_Items_Intervals'
+	     ));
+    } elsif (($command eq 'chgdisc') && $checkallowed{'coursediscussion'}) {
+        &Apache::lonhtmlcommon::add_breadcrumb
+            ({href=>'/adm/whatsnew?command=chgdisc&amp;refpage='.$refpage,
+              text=>"Change discussion display"});
+        $r->print(&Apache::lonhtmlcommon::breadcrumbs
+            ("What's New?",#'Course_Action_Items_Intervals'
+	     ));
+    } elsif ($command eq 'courseinit') {
+        &Apache::lonhtmlcommon::add_breadcrumb
+            ({href=>'/adm/whatsnew?command=courseinit&amp;refpage='.$refpage,
+              text=>"Course initialization preference"});
+        $r->print(&Apache::lonhtmlcommon::breadcrumbs
+            ("What's New?",#'Course_Action_Items_Initialization'
+	     ));
+    } elsif ($command eq 'chgoldroleinterval' && $checkallowed{'oldroles'}) {
+        &Apache::lonhtmlcommon::add_breadcrumb
+            ({href=>'/adm/whatsnew?command=chgoldroleinterval&amp;refpage='.$refpage,
+              text=>"Change interval"});
+        $r->print(&Apache::lonhtmlcommon::breadcrumbs
+            ("What's New?",#'Course_Action_Items_Intervals'
+             ));
+    } elsif ($command eq 'chgnewroleinterval' && $checkallowed{'newroles'}) {
+        &Apache::lonhtmlcommon::add_breadcrumb
+            ({href=>'/adm/whatsnew?command=chgnewroleinterval&amp;refpage='.$refpage,
+              text=>"Change interval"});
+        $r->print(&Apache::lonhtmlcommon::breadcrumbs
+            ("What's New?",#'Course_Action_Items_Intervals'
+             ));
+    } elsif ($command eq 'chgcrslogininterval' && $checkallowed{'crslogin'}) {
+        &Apache::lonhtmlcommon::add_breadcrumb
+            ({href=>'/adm/whatsnew?command=chgcrslogininterval&amp;refpage='.$refpage,
+              text=>"Change interval"});
+        $r->print(&Apache::lonhtmlcommon::breadcrumbs
+            ("What's New?",#'Course_Action_Items_Intervals'
+             ));
+    } elsif ($command eq 'chgsessionlimit' && $checkallowed{'sessions'}) {
+        &Apache::lonhtmlcommon::add_breadcrumb
+            ({href=>'/adm/whatsnew?command=chgsessionlimit&amp;refpage='.$refpage,
+              text=>"Change session range"});
+        $r->print(&Apache::lonhtmlcommon::breadcrumbs
+            ("What's New?",#'Course_Action_Items_Sessions'
+             ));
+    } else {
+        $r->print(&Apache::lonhtmlcommon::breadcrumbs
+            ("What's New?",#'Course_Action_Items_Display'
+	     ));
+    }
+    &display_main_box($r,$command,$refpage,\%checkallowed,$cdom,$crs,$store_error);
+    return OK;
 }
 
 #------------------------------
@@ -70,103 +212,92 @@ sub handler {
 #------------------------------
                                                                                 
 sub display_main_box {
-    my ($r,$command) = @_;
+    my ($r,$command,$refpage,$checkallowed,$cdom,$crs,$store_error) = @_;
     my $domain=&Apache::loncommon::determinedomain();
-    my $tabbg=&Apache::loncommon::designparm('coordinator.tabbg',$domain);
-    $r->print(<<END_OF_BLOCK);
-<br />
-<br />
-<table width="100%" border="0" cellpadding="0" cellspacing="0">
- <tr>
-  <td width="100%" bgcolor="#000000">
-   <table width="100%" border="0" cellpadding="1" cellspacing="0">
-    <tr>
-     <td width="100%" bgcolor="#000000">
-      <table width="100%" border="0" cellpadding="0" cellspacing="1" bgcolor="#ffffff">
-       <tr>
-        <td colspan="2" width="100%" bgcolor="$tabbg">
-         <table width="100%" border="0" cellpadding="5" cellspacing="0">
-          <tr>
-           <td width="100%">
-            <table width="100%" border="0" cellpadding="0" cellspacing="0">
-             <tr>
-              <td>
-               <font face="arial,verdana" size="3"><b>Course Action Items</b></font></td>
-              </td>
-              <td align="right">&nbsp;
-              </td>
-             </tr>
-            </table>
-           </td>
-          </tr>
-         </table>
-        </td>
-       </tr>
-       <tr>
-        <td width="100" valign="top" bgcolor="#dddddd" height="100%">
-         <table width="100" border="0" cellpadding="0" cellspacing="0" height="100%">
-          <tr>
-           <td valign="top" height="100%">
-END_OF_BLOCK
-    &display_nav_box($r,$command);
-    $r->print('</td></tr></table></td>');
-    $r->print('<td width="100%" bgcolor="#ffffff"><table width="100%" border="0" cellpadding="5" cellspacing="0"><tr><td width="100%">');
- 
-    if ($command eq 'config') {
-        &display_config_box($r);
-    } else {
-        &display_actions_box($r);
-    }
-    $r->print(<<END_OF_BLOCK);
-              </td>
-             </tr>
-            </table>
-           </td>
-          </tr>
-         </table>
-        </td>
-       </tr>
-      </table>
-     </td>
-    </tr>
-   </table>
-  </td>
- </tr>
-</table><br />
-</body>
-</html>
-END_OF_BLOCK
-}
+    my $function = &Apache::loncommon::get_users_function();
+    my $lctype = lc(&Apache::loncommon::course_type());
 
-#------------------------------
-# display_nav_box
-#
-# Display the navigation box
-#------------------------------
-                                                                                
-sub display_nav_box {
-    my ($r,$command) = @_;
-    $r->print('<table width="100" border="0" cellpadding="3" cellspacing="0">'."\n");
-    if ($command eq "info") {
-        $r->print('<tr><td bgcolor="#ffffff">');
-        $r->print('<small><b>Action Items</b></small><br />');
-        $r->print('</td></tr>');
-    } else {
-        $r->print('<tr><td>');
-        $r->print('<small><a href="/adm/whatsnew?command=info">Current Action Items</a></small><br />');
-        $r->print('</td></tr>');
-    }
-    $r->print('<tr><td>&nbsp;</td></tr>');
-    if ($command eq "config") {
-        $r->print('<tr><td bgcolor="#ffffff">');
-        $r->print('<small><b>Display options</b></small><br />');
-        $r->print('</td></tr>');
-    } else {
-        $r->print('<tr><td>');
-        $r->print('<small><a href="/adm/whatsnew?command=config">Display options</a></small><br />');
-        $r->print('</td></tr>');
+    my %threshold_titles = &Apache::lonlocal::texthash (
+                         av_attempts => 'Average number of attempts',
+                         degdiff => 'Degree of difficulty',
+                         numstudents => 'Total number of students with submissions',
+    );
+    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 = (
+                     firstres => "first resource in the $lctype",
+                     whatsnew => "What's New Page",
+                     userpref => 'your general user preferences',
+                     coursespecific => "specific setting for this $lctype",
+                   );
+    $r->print('<div class="LC_landmark" role="main">');
+
+    if (($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,$command,$refpage,\%threshold_titles,
+                        \%interval_titles,\%initpage,$cdom,$crs,
+                        $checkallowed,$store_error);
     }
-    $r->print('</table>');
+    my $end_page = &Apache::loncommon::end_page();
+    $r->print('<br /></div>'.$end_page);
 }
 
 #-------------------------------
@@ -176,16 +307,135 @@ sub display_nav_box {
 # up the HTML
 #-------------------------------
 
-sub display_header{
-    my $html=&Apache::lonxml::xmlbegin();
-    my $bodytag=&Apache::loncommon::bodytag('Course Action Items');
-    return(<<ENDHEAD);
-$html
-<head>
-<title>Course Action Items</title>
-</head>
-$bodytag
-ENDHEAD
+sub display_header {
+    my ($command,$uname,$udom,$cid,$checkallowed) = @_;
+
+    my $scripttag;
+    my $args = {};
+    my %loadentries;
+
+    if ($command eq 'courseinit') {
+        $scripttag = <<"END";
+<script type="text/javascript">
+// <![CDATA[
+function toggleCourseInit(form) {
+    if (document.getElementById('courseinit_by_course')) {
+        var radioelem = form.elements['courseinit_control'];
+        if (radioelem.length) {
+            for (var i=0; i<radioelem.length; i++) {
+                if (radioelem[i].checked) {
+                    if (radioelem[i].value == 'coursespecific') {
+                        document.getElementById('courseinit_by_course').style.display = 'inline';
+                    } else {
+                         document.getElementById('courseinit_by_course').style.display = 'none';
+                    }
+                    break;
+                }
+            }
+        }
+    }
+    return;
+}
+// ]]>
+</script>
+END
+        $loadentries{'onload'} = 'toggleCourseInit(document.courseinitswitch);';
+    } else {
+        unless (($command eq 'chgthreshold' && $checkallowed->{'abovethreshold'}) ||
+                ($command eq 'chginterval' && $checkallowed->{'versionchanges'}) ||
+                ($command eq 'chgdisc' && $checkallowed->{'coursediscussion'}) ||
+                ($command eq 'chgoldroleinterval' && $checkallowed->{'oldroles'}) ||
+                ($command eq 'chgnewroleinterval' && $checkallowed->{'newroles'}) ||
+                ($command eq 'chgcrslogininterval' && $checkallowed->{'crslogin'}) ||
+                ($command eq 'chgsessionlimit' && $checkallowed->{'sessions'})) {
+            my %display_settings = &get_display_settings($uname,$udom,$cid);
+            $scripttag = <<"END";
+<script type="text/javascript">
+// <![CDATA[
+function change_display(caller,change) {
+    caller.value = change;
+    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";
+                }
+            }
+            $scripttag.=<<"ENDTOGG";
+    document.visible.submit();
+}
+
+function thresholdreset() {
+    document.visible.command.value="reset";
+    document.visible.submit();
+}
+
+function toggledetails(prefix) {
+    var total = document.visible[prefix+'count'].value;
+    var sumrow = document.visible[prefix+'row'].value;
+    if (total == 0) {
+        return;
+    }
+    var showdetails = 0;
+    for (var i=0; i<document.visible[prefix+'details'].length; i++) {
+        if (document.visible[prefix+'details'][i].checked) {
+            showdetails = document.visible[prefix+'details'][i].value;
+        }
+    }
+    var detval = "none";
+    var sumval = "";
+    if (showdetails == 1) {
+        detval = "";
+        sumval = "none";
+    }
+    for (var j=0; j<total; j++) {
+        var counter = j+1;
+        var itemid = prefix+"det_"+counter;
+        personele = document.getElementById(itemid);
+        if (personele != null) {
+            personele.style.display = detval;
+        }
+    }
+    var detheaderele = document.getElementById(prefix+"titledet");
+    if (detheaderele != null) {
+        detheaderele.style.display = detval;
+    }
+    for (var k=0; k<sumrow; k++) {
+        var counter = k+1;
+        var itemid = prefix+"sum_"+counter;
+        catele = document.getElementById(itemid);
+        if (catele != null) {
+            catele.style.display = sumval;
+        }
+    }
+    var sumheaderele = document.getElementById(prefix+"titlesum");
+    if (sumheaderele != null) {
+        sumheaderele.style.display = sumval;
+    }
+    return;
+}
+// ]]>
+</script>
+ENDTOGG
+            if (($checkallowed->{'crslogin'}) && ($display_settings{$cid.':crslogin'} ne 'hide')) {
+                $loadentries{'onload'} = "toggledetails('login');";
+            }
+            if (($checkallowed->{'sessions'}) && ($display_settings{$cid.':sessions'} ne 'hide')) {
+                $loadentries{'onload'} .= "toggledetails('session');";
+            }
+        }
+    }
+    my $course_type=&Apache::loncommon::course_type();
+    if (keys(%loadentries)) {
+        $args->{'add_entries'} = \%loadentries;
+    }
+    return &Apache::loncommon::start_page("What's New?",
+					  $scripttag,$args);
 }
 
 #-------------------------------
@@ -195,368 +445,2231 @@ ENDHEAD
 #
 #-------------------------------
                                                                                 
-sub display_actions_box() {
-    my $r = shift;
-
-    my $rowColor1 = "#ffffff";
-    my $rowColor2 = "#eeeeee";
-    my $rowColor;
+sub display_actions_box {
+    my ($r,$command,$refpage,$threshold_titles,$interval_titles,$initpage,
+        $cdom,$crs,$checkallowed,$store_error) = @_;
+    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',
+                 'gtfr' => 'Go to first resource',
+                 'hial' => 'Hide all',
+                 'shal' => 'Show all',
+    );
 
     my %unread = ();
     my %ungraded = ();
     my %bombed = ();
+    my %triggered = ();
+    my %changed = ();
     my @newmsgs = ();
     my @critmsgs = ();
     my @newdiscussions = ();
     my @tograde = ();
     my @bombs = ();
+    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;
+    my $boxcount = 0;
+
+    my $result;
+    if ($command eq 'newcourseinit') {
+        $result = &store_courseinit_setting($uname,$udom,$cid,$initpage);
+    }
 
-    my $domain=&Apache::loncommon::determinedomain();
-    my $function;
-    if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {
-        $function='coordinator';
+    my %threshold = ();
+    my %pagedesc = &Apache::lonlocal::texthash (
+                     firstres => 'First resource',
+                     whatsnew => "What's New Page",
+                     userpref => 'user preference',
+                     coursespecific => $lctype.' only',
+                     default => 'default',
+                   );
+
+    my ($initcontrol,$initdisp) = &curr_courseinit();
+    my $currinit = $pagedesc{$initdisp}.' ('.$pagedesc{$initcontrol}.')';
+
+    unless ($cid) {
+        $r->print('<p><span style="text-align: center; font-weight: bold;">'.$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 $furl=&HTML::Entities::encode($bighash{'first_url'},'"<>&');
+            untie(%bighash);
+            $header .= '<b><a href="'.$furl.'">'.$lt{'gtfr'}.
+                  '</a></b><br />';
+        }
     }
-    if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) {
-        $function='admin';
+    $header .= &mt('Page set to be displayed after you have selected a role in this '.$lctype).'.'
+              .' <span class="LC_nobreak">'
+              .&mt('Currently: [_1].','<span class="LC_cusr_emph">'.$currinit.'</span>')
+              .'&nbsp;&nbsp;'
+              .&mt('[_1]Change[_2] for just [_3]this '.$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,$crs,$checkallowed);
+    } elsif ($command eq 'update') {
+        $result = &process_update($uname,$udom,$threshold_titles);
+    } elsif ($command eq 'newinterval') {
+        $result = &store_interval_setting($uname,$udom,$cid,$interval_titles);
+    } elsif ($command eq 'newdiscconf') {
+        $result = &store_discussion_setting($uname,$udom,$cid);
     }
 
-    my $pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain);
-    my $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
+    if ($store_error) {
+        $result = $store_error;
+    }
 
-    &getitems(\%unread,\%ungraded,\%bombed,\@newdiscussions,\@tograde,\@bombs);
-    my ($msgcount,$critmsgcount) = &getmail(\@newmsgs,\@critmsgs);
+    if ($result) {
+        $r->print($result.'<hr />');
+    }
+    $r->rflush();
 
-    unless ($ENV{'request.course.id'}) {
-        $r->print('<br /><b><center>You are accessing an invalid course</center></b><br /><br />');
-        return;
+    my (%timediff,%interval);
+    my %display_settings = &get_display_settings($uname,$udom,$cid);
+    $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 '.$lctype.' discussion posts',
+                handgrading      => 'Problems requiring handgrading',
+                haserrors        => 'Problems with errors',
+                coursenormalmail => 'New '.$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');
     }
 
-    $r->print('<b>Course Action Items</b><br /><hr width="100%" /><table border="0" width="100%" cellpadding="2" cellspacing="4" bgcolor="#ffffff"><tr><td align="left" valign="top" width="45%">');
+    $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');
+    }
 
-## UNREAD COURSE DISCUSSION POSTS ##
-    $r->print(<<"END");
-              <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
-               <tr><td>
-                <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
-                 <tr>
-                  <td bgcolor="$tabbg"><b>Unread course discussion posts:</b></td>
-                 </tr>
-                 <tr>
-                   <td bgcolor="#ffffff">
-                   <table cellpadding="2" cellspacing="0" border="0" width="100%">
-END
+    $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');
+    }
 
-    if (@newdiscussions > 0) {
-#        @newdiscussions = sort { &cmp_title($a,$b) } @newdiscussions;
-        my $rowNum = 0;
-        foreach my $ressymb (@newdiscussions) {
-            my $forum_title = $unread{$ressymb}{'title'};
-	    my $feedurl=&Apache::lonfeedback::get_feedurl($ressymb);
-            my $unreadnum = keys(%{$unread{$ressymb}});
-            $unreadnum = $unreadnum - 2;
-            if ($unreadnum > 0) {
-                if ($rowNum %2 == 1) {
-                    $rowColor = $rowColor1;
-                } else {
-                    $rowColor = $rowColor2;
-                }
-                $r->print('<tr><td bgcolor="'.$rowColor.'"><small><a href="'.$feedurl.'?symb='.$unread{$ressymb}{symb}.'">'.$forum_title.':</a>&nbsp;</td><td bgcolor="'.$rowColor.'" align="right">'.$unreadnum.'&nbsp;</td></tr>');
-                $rowNum ++;
-            }
-        }
+    $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 {
-        $r->print('<tr><td bgcolor="#ffffff"><br><center>&nbsp;<i><b><small>No unread posts in course discussions</small></b></i><br><br></td></tr>');
+        $starttime = $now - $timediff{'versions'};
     }
-    $r->print('</table></td></tr></table></td></tr></table><br />');
 
-## UNGRADED ITEMS ##
-    $r->print(<<END);
-           <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
-            <tr><td>
-             <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
-              <tr>
-               <td bgcolor="$tabbg"><b>Problems requiring handgrading:</b></td></tr>
-                  <tr>
-                   <td bgcolor="#ffffff">
-                     <table cellpadding="2" cellspacing="0" border="0" width="100%">
-END
+    if ($timediff{'newroles'} == -1) {
+        $activatedstart = 0;
+    } else {
+        $activatedstart = $now - $timediff{'newroles'};
+    }
 
-    if (@tograde > 0) {
-        $r->print('<tr><th bgcolor="#cccccc">Problem Name</th><th>Number ungraded</th></tr>');
-        my $rowNum = 0;
-        foreach my $res (@tograde) {
-            if ($rowNum %2 == 1) {
-                $rowColor = $rowColor1;
-            } else {
-                $rowColor = $rowColor2;
+    if ($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 ($$checkallowed{'abovethreshold'}) {
+        &get_curr_thresholds(\%threshold,$uname,$udom,$cid,$cdom,$crs);
+    }
+
+    $headings{'abovethreshold'} = 
+	&mt('(Problems with av. attempts &ge; [_1] or deg. difficulty &ge; [_2]) [_3] and total number of '.$stulabel{$crstype}.' with submissions &ge; [_4]',
+	    $threshold{'av_attempts'},$threshold{'degdiff'},
+	    '<br />',$threshold{'numstudents'});
+
+    my @actionorder = ('handgrading','haserrors','abovethreshold','versionchanges','coursediscussion','coursenormalmail','coursecritmail','newroles','oldroles','crslogin','sessions');
+    my %actioncolumn = (
+                         handgrading      => 'left',
+                         haserrors        => 'left',
+                         abovethreshold   => 'left',
+                         versionchanges   => 'left',
+                         coursediscussion => 'right',
+                         coursenormalmail => 'right',
+                         coursecritmail   => 'right',
+                         newroles         => 'right',
+                         oldroles         => 'right',
+                         crslogin         => 'right',
+                         sessions         => 'right',
+                       );
+
+    foreach my $key (keys(%{$checkallowed})) {
+	if ($key =~ /_section$/) { next; }
+        $show{$key} = 0;
+        if ($$checkallowed{$key}) {
+            unless ($display_settings{$cid.':'.$key} eq 'hide') {
+                $show{$key} = 1;
+            }
+        }
+    }
+
+    foreach my $item (@actionorder) {
+        unless ($item eq 'coursenormalmail' || $item eq 'coursecritmail' ||
+                $item eq 'newroles' || $item eq 'oldroles' || 
+                $item eq 'crslogin' || $item eq 'sessions') {
+            if ($show{$item}) {
+                $needitems = 1;
+                last;
             }
-            
-            $r->print('<tr bgcolor="'.$rowColor.'"><td>'.$ungraded{$res}{title}.'</td><td>'.$ungraded{$res}{count}.'</td></tr>');
-            $rowNum ++;
         }
-    } else {
-        $r->print('<tr><td bgcolor="#ffffff"><br><center><i><b><small>&nbsp;&nbsp;No problems require handgrading&nbsp;&nbsp;</small><br><br></b></i></td></tr>');
     }
-    $r->print('</table></td></tr></table></td></tr></table><br />');
-    $r->print('</td><td width="5%">&nbsp;</td><td align="left" valign="top" width-"50%">');
 
-## MESSAGES ##
-    $r->print(<<END);
-           <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
-            <tr>
-             <td>
-              <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
-               <tr>
-                <td bgcolor="$tabbg"><b>New course messages</b></td>
-               </tr>
-               <tr>
-                <td bgcolor="#ffffff">
-                 <table width="100%" cellspacing="0" cellpadding="0" border="0">
+    my $itemserror;
+    if ($needitems) {
+        $itemserror = &getitems(\%unread,\%ungraded,\%bombed,\%triggered,\%changed,\@newdiscussions,\@tograde,\@bombs,\@warnings,\%threshold,$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'}) {
+        $msgcount = &getnormalmail(\@newmsgs);
+    }
+    if ($show{'coursecritmail'}) {
+        $critmsgcount = &getcritmail(\@critmsgs);
+    }
+    if ($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);
+    }
+    my $showhideall = <<"END";
+<span class="LC_nobreak"><a href="javascript:changeAll('hide');">$lt{'hial'}</a>
+&nbsp;&nbsp;<a href="javascript:changeAll('show');">$lt{'shal'}</a></span>
 END
-    if ($msgcount > 0) {
-        my $rowNum = 0;
-        my $mailcount = 1; 
-        foreach my $msg (@newmsgs) {
-            if ($rowNum %2 == 1) {
-                $rowColor = $rowColor1;
-            } else {
-                $rowColor = $rowColor2;
+    $r->print(&Apache::loncommon::head_subbox($showhideall));
+    $r->print(qq|<form method="post" name="visible" action="/adm/whatsnew">\n|);
+
+    foreach my $item (keys(%{$checkallowed})) {
+	if ($item =~ /_section$/) { next; }
+        if ($$checkallowed{$item}) {
+            $r->print('<input type="hidden" name="display_'.$item.'" />'."\n");
+        }
+    }
+
+    $r->print('<input type="hidden" name="refpage" value="'.$refpage.'" />'."\n".
+              '<div class=" LC_landmark" style="clear: both; width: 100%">'."\n".
+              '<div class="LC_floatleft LC_landmark" style="width: 48%">');
+
+    my $displayed = 0;
+    my $totalboxes = 0;
+    foreach my $key (keys(%{$checkallowed})) {
+	if ($key =~ /_section$/) { next; }
+	if ($key eq 'whatsnew' ) { next; } # whatsnew check creates no box
+        if ($$checkallowed{$key}) {
+            $totalboxes ++;
+        }
+    }
+    my $currcolumn = 'left';
+#    my $halfway = int($totalboxes/2) + $totalboxes%2;
+    foreach my $actionitem (@actionorder) {
+        if ($checkallowed->{$actionitem}) {
+            if (($actioncolumn{$actionitem} eq 'right') && ($currcolumn eq 'left')) {
+                $r->print('</div><div class="LC_floatright LC_landmark" style="width: 48%">');
+                $currcolumn = 'right';
             }
-            $r->print('<tr><td bgcolor="'.$rowColor.'" valign="top"><small>'.$mailcount.'. &nbsp;<small></td><td valign="top"><small><a href="/adm/mail?">'.$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 ++;
-            $mailcount ++;
+            &display_launcher($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 ++; 
         }
-    } else {
-        $r->print('<tr><td bgcolor="#ffffff" width="100%"><center><br /><b><i><small>No new course messages</small></i></b><br /><br /></center></td></tr>');
     }
+    $r->print('</div></div><div style="padding:0;clear:both;margin:0;border:0"></div>
+   </form>
+');
+}
 
-    $r->print('</table></td></tr></table></td></tr></table><br />');
+#-------------------------------
+# display_threshold_config
+#
+# Display the threshold setting screen 
+#
+#-------------------------------
+                                                                                
+sub display_threshold_config {
+    my ($r,$refpage,$threshold_titles,$cdom,$crs) = @_;
+    my $uname = $env{'user.name'};
+    my $udom = $env{'user.dom'};
+    my $cid = $env{'request.course.id'};
+    my %threshold = ();
+    my $rowColor1 = "#ffffff";
+    my $rowColor2 = "#eeeeee";
+    my $rowColor;
 
-    $r->print(<<END);
-           <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
-            <tr>
-             <td>
-              <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
-               <tr>
-                <td bgcolor="$tabbg"><b>New critical messages in course</b></td>
-               </tr>
-               <tr>                 <td bgcolor="#ffffff">
-                 <table width="100%" cellspacing="0" cellpadding="0" border="0">
-END
+    my @thresholditems = ("av_attempts","degdiff","numstudents");
+    my %threshold_titles = &Apache::lonlocal::texthash(
+                         av_attempts => 'Average number of attempts',
+                         degdiff => 'Degree of difficulty',
+                         numstudents => 'Total number of students with submissions',
+                         );
+    &get_curr_thresholds(\%threshold,$uname,$udom,$cid,$cdom,$crs);
+
+    $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 $onchange = 'onfocus="javascript:window.document.forms'.
+              "['thresholdform'].elements['".$parameter."_setparmval']".
+              '.checked=true;"';
+        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,$onchange.$aria_textbox).'</td>'."\n".
+                 '<td>'.
+                 &Apache::lonhtmlcommon::checkbox($parameter.'_setparmval',
+                                                  '','',$aria_checkbox).
+                 '</td>'."\n".
+                 &Apache::loncommon::end_data_table_row());
+    }
+    $r->print(&Apache::loncommon::end_data_table()."\n".
+          '<br /><input type="submit" name="threshold" value="'.&mt('Save').'" />
+                 <input type="hidden" name="command" value="update" />
+                 <input type="hidden" name="refpage" value="'.$refpage.'" />
+               </form>');
+}
 
-    if ($critmsgcount > 0) {
-        my $rowNum = 0;
-        my $mailcount = 1;
-        foreach my $msg (@critmsgs) {
-            if ($rowNum %2 == 1) {
-                $rowColor = $rowColor1;
+#-------------------------------
+# display_interval_config
+#
+# Display the interval setting screen
+#
+#-------------------------------
+                                                                                   
+sub display_interval_config {
+    my ($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'},
+                                $env{'request.course.id'},$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 ($current eq '') {
+        if (ref($interval_titles->{$context}) eq 'HASH') {
+            $r->print(' '.&mt('Current value is "[_1]".','<b>'.
+                      $interval_titles->{$context}->{$current}.'</b>').'<br />');
+        }
+    }
+    $r->print('<br />
+<form method="post" name="intervalswitch" action="/adm/whatsnew">
+<input type="hidden" name="command" value="newinterval" />
+<input type="hidden" name="intervaltype" value="'.$context.'" />
+<input type="hidden" name="refpage" value="'.$refpage.'" />'.
+&mt('Display:').' 
+<select name="interval" aria-label="'.&mt('Choose time window').'">
+<option value="" selected="selected">'.&mt('Select').'</option>
+');
+    if (ref($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 {
-                $rowColor = $rowColor2;
+                @sorted = reverse sort ({$a cmp $b} (keys(%{$interval_titles->{$context}})));
+            }
+            foreach my $key (@sorted) {
+                $r->print('<option value="'.$key.'">'.&mt($interval_titles->{$context}->{$key}).
+                          '</option>'."\n");
             }
-            $r->print('<tr><td bgcolor="'.$rowColor.'" valign="top"><small>'.$mailcount.'. &nbsp;<small></td><td valign="top"><small><a href="/adm/mail?">'.$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 ++;
         }
-    } else {
-        $r->print('<tr><td bgcolor="#ffffff" width="100%"><center><br /><b><i><small>No unread critical messages in course</small></i></b><br /><br /></center></td></tr>');
     }
-                                                                               
-    $r->print('</table></td></tr></table></td></tr></table><br />');
+    $r->print('</select>&nbsp;&nbsp;
+               <input type="submit" name="display" value="'.
+               &mt('Save').'" /></form>');
+    return;
+}
 
-## BOMBS ##
-    $r->print(<<END);
-           <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
-            <tr>
-             <td>
-              <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
-               <tr>
-                <td bgcolor="$tabbg"><b>Problems with errors</b></td>
-               </tr>
-               <tr>
-                <td bgcolor="#ffffff">
-                 <table width="100%" cellspacing="0" cellpadding="0" border="0">
+#----------------------------------------------
+# display_discussion_config
+#
+# Display the discussion display setting screen
+#
+#----------------------------------------------
+                                                                                  
+sub display_discussion_config {
+    my ($r,$refpage) = @_;
+    my $current = &get_current($env{'user.name'},$env{'user.domain'},
+                                $env{'request.course.id'},'countunread');
+    if ($current eq '') {
+        $current = 'on';
+    }
+    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>')
+    );
+    $r->print('<br /><br />
+<form method="post" name="discussionswitch" action="/adm/whatsnew">
+<input type="hidden" name="command" value="newdiscconf" />
+<input type="hidden" name="refpage" value="'.$refpage.'" />
+<input type="hidden" name="countunread" value="'.$opposite{$current}.'" />
+');
+    $r->print('<br/>
+               <input type="button" name="display" value="'.
+               &mt('Change to [_1]',&mt($opposite{$current})).'" 
+               onclick="javascript:toggle_countunread('."'change'".')" />'.
+               ('&nbsp;' x7).
+               '<input type="button" name="nochange" value="'.
+               &mt("No change").'" 
+               onclick="javascript:toggle_countunread('."'unchanged'".')" />
+               </form>');
+    return;
+}
+
+#---------------------------------------------------
+# courseinit_config
+#
+# Set page displayed when course loads after 
+# selecting a role in the course from the roles page. 
+#
+#---------------------------------------------------
+
+sub courseinit_config {
+    my ($r,$refpage,$initpage) = @_;
+    my ($control,$current) = &curr_courseinit();
+    my @chgstate = ('userpref','coursespecific');
+    my @chgentry = ('firstres','whatsnew');
+    my $courseinitsty = 'display:none;';
+    if ($control eq 'coursespecific') {
+        $courseinitsty = 'display:inline;';
+    }
+    my $lctype = lc(&Apache::loncommon::course_type());
+    my %lt = &Apache::lonlocal::texthash(
+                             'chwp' => "Choose which page will be displayed when you enter this $lctype after selecting a role.",
+                             'padc' => 'Page display controlled by',
+                             'chce' => "Choose $lctype entry",
+                             'moce' => 'Save',
+    );
+    $lt{'cuva'} = &mt('Current value is determined by[_1]'.$initpage->{$control}.'[_2] and is set to display[_1]'.$initpage->{$current}.'[_2].',
+                      ': <span class="LC_cusr_emph">','</span>');
+    $r->print(<<"END");
+<br />$lt{'chwp'}
+<br />$lt{'cuva'}
+<br /><br />
+<form method="post" name="courseinitswitch" action="/adm/whatsnew">
+<input type="hidden" name="command" value="newcourseinit" />
+<input type="hidden" name="refpage" value="$refpage" />
+<fieldset style="display:inline"><legend>$lt{'padc'}</legend>
 END
-    my $bombnum = 0;
-    if (@bombs > 0) {
-#        @bombs = sort { &cmp_title($a,$b) } @bombs;
-        foreach my $bomb (@bombs) {
-            if ($bombnum %2 == 1) {
-                $rowColor = $rowColor1;
-            } else {
-                $rowColor = $rowColor2;
-            }
-            $r->print('<tr bgcolor="'.$rowColor.'"><td>'.$bombed{$bomb}{errorlink}.'</td></tr>');
-            $bombnum ++;
+    foreach my $choice (@chgstate) {
+        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.' onclick="toggleCourseInit(this.form);" />'.&mt($initpage->{$choice}).
+                   '&nbsp;&nbsp;</label></span>');
+    }
+    $r->print('</fieldset><fieldset id="courseinit_by_course" style="'.$courseinitsty.'">'.
+              '<legend>'.$lt{'chce'}.'</legend>'."\n");
+    foreach my $choice (@chgentry) {
+        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.'/>'.&mt($initpage->{$choice}).
+                  '&nbsp;&nbsp;</label></span> ');
+    }
+    $r->print('</fieldset><br /><br /><input type="submit" name="display" value="'.
+               $lt{'moce'}.'" /></form>');
+    return;
+}
+
+sub curr_courseinit {
+    my $current = &get_current($env{'user.name'},$env{'user.domain'},
+                                $env{'request.course.id'},'courseinit');
+    my $control;
+    if ($current) {
+        $control = 'coursespecific';
     } else {
-        $r->print('<tr><td bgcolor="#ffffff"><br /><center><b><i><small>No problems with errors</small></i></b></center><br /></td></tr>');
+        $control = 'userpref';
+        my %userenv = &Apache::lonnet::get('environment',
+                                                      ['course_init_display']);
+        if (exists($userenv{'course_init_display'})) {
+            $current = $userenv{'course_init_display'};
+        }
+        unless ($current) {
+            $current = 'whatsnew';
+        }
     }
-    $r->print('</table></td></tr></td></tr></table>');
-    $r->print('
-           </table>
-          </td>
-         </tr>
-        </table>');
-    $r->print('</td></tr></table>');
+    return ($control,$current);
+}
+
+sub display_launcher {
+    my ($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 ($$checkallowed{$action}) {
+        &start_box($r,$show,$headings,$action,$refpage);
+        if ($$show{$action}) {
+            if ($action eq 'handgrading') {    # UNGRADED ITEMS
+                &display_handgrade($r,$tograde,$ungraded,$itemserror);
+            } elsif ($action eq 'haserrors') { # BOMBS
+                &display_haserrors($r,$bombs,$bombed,$res_title,$itemserror);
+            } elsif ($action eq 'versionchanges') { # VERSION CHANGES
+                &display_versionchanges($r,$changed,$res_title,$interval->{'versions'},$itemserror);
+            } elsif ($action eq 'abovethreshold') { # DEGDIFF/AV. TRIES TRIGGERS
+                &display_abovethreshold($r,$refpage,$warnings,$triggered,
+					$res_title,$itemserror,$checkallowed);
+            } elsif ($action eq 'coursediscussion') { # UNREAD COURSE DISCUSSION
+                &display_coursediscussion($r,$newdiscussions,$unread,
+                                $countunread,$res_title,$itemserror);
+            } elsif ($action eq 'coursenormalmail') { # NORMAL MESSAGES
+                &display_coursenormalmail($r,$msgcount,$newmsgs);
+            } elsif ($action eq 'coursecritmail') { # CRITICAL MESSAGES
+                &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);
+    }
+    return;
 }
 
 sub getitems {
-    my ($unread,$ungraded,$bombed,$newdiscussions,$tograde,$bombs) = @_;
+    my ($unread,$ungraded,$bombed,$triggered,$changed,$newdiscussions,
+        $tograde,$bombs,$warnings,$threshold,$cdom,$crs,$res_title,$show,
+        $starttime,$countunread,$checkallowed) = @_;
     my $navmap = Apache::lonnavmaps::navmap->new();
-    my @allres=$navmap->retrieveResources();
-    my %discussiontime = &Apache::lonnet::dump('discussiontimes',
-               $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
-               $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
-    my %lastread = &Apache::lonnet::dump('nohist_'.$ENV{'request.course.id'}.'_discuss',$ENV{'user.domain'},$ENV{'user.name'},'lastread');
-    my %lastreadtime = ();
-    my @discussions = ();
-    my ($classlist,$keylist) = &Apache::loncoursedata::get_classlist();
-
-    foreach my $key (keys(%lastread)) {
-        my $newkey = $key;
-        $newkey =~ s/_lastread$//;
-        $lastreadtime{$newkey} = $lastread{$key};
+    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 %resourcetracker;
+    my $discussiontime;
+
+# Resource version changes
+    if ($$show{'versionchanges'}) {
+        &checkversions($cdom,$crs,$navmap,$changed,$starttime);
+    }
+
+    if ($$show{'abovethreshold'}) {
+        %resourcetracker =  &Apache::lonnet::dump('nohist_resourcetracker',
+                                                                   $cdom,$crs);
     }
+
     foreach my $resource (@allres) {
         my $result = '';
         my $applies = 0;
         my $symb = $resource->symb();
         %{$$bombed{$symb}} = ();
         %{$$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();
-        my $ressymb = $symb;
-        if ($ressymb =~ m-(___adm/\w+/\w+)/(\d+)/bulletinboard$-) {
-            $ressymb = &Apache::lonfeedback::wrap_symb('bulletin___'.$2.$1.'/'.
-						       $2.'/bulletinboard');
-        }
-
-# Check for unread discussion postings
-        if (defined($discussiontime{$ressymb})) {
-            push(@discussions,$ressymb);
-            my $prevread = 0;
-            my $unreadcount = 0;
-            %{$$unread{$ressymb}} = ();
-            $$unread{$ressymb}{'title'} = $title;
-            $$unread{$ressymb}{'symb'} = $symb;
-            if (defined($lastreadtime{$ressymb})) {
-                $prevread = $lastreadtime{$ressymb};
-            }
-            my %contrib = &Apache::lonnet::restore($ressymb,$ENV{'request.course.id'},
-            $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
-            $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
-            if ($contrib{'version'}) {
-                for (my $id=1;$id<=$contrib{'version'};$id++) {
-                    unless (($contrib{'hidden'}=~/\.$id\./) || ($contrib{'deleted'}=~/\.$id\./)) {
-                        if ($prevread <$contrib{$id.':timestamp'}) {
-                            $$unread{$ressymb}{$unreadcount} = $id.': '.$contrib{$id.':subject'};
-                            $unreadcount ++;
-                            push(@{$newdiscussions}, $ressymb);
-                        }
-                    }
-                }
-            }
+        $$res_title{$symb} = $title;
+        my $ressymb = $resource->wrap_symb();
+
+# Check if there are unread discussion postings
+        if ($$show{'coursediscussion'}) {
+            &check_discussions($resource,$symb,$ressymb,$title,
+			       $newdiscussions,$unread,$countunread);
         }
 
 # Check for ungraded problems
         if ($resource->is_problem()) {
-            my $ctr = 0;
-            my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
-            my ($partlist,$handgrade,$responseType) = &Apache::grades::response_type($url,$symb);
-            foreach my $student (keys(%$classlist)) {
-                my ($uname,$udom) = split(/:/,$student);
-                my %status=&Apache::grades::student_gradeStatus($url,$symb,$udom,$uname,$partlist);
-                my $submitted = 0;
-                my $graded = 0;
-                foreach (keys(%status)) {
-                    $submitted = 1 if ($status{$_} ne 'nothing');
-                    $graded = 1 if ($status{$_} !~ /^correct/);
-                    my ($foo,$partid,$foo1) = split(/\./,$_);
-                    if ($status{'resource.'.$partid.'.submitted_by'} ne '') {
-                        $submitted = 0;
+            if ($$show{'handgrading'}) {
+                &check_handgraded($resource,$symb,$title,$cdom,$crs,$ungraded,
+                                                                     $tograde);
+            }
+        }
+
+# Check for bombs
+        if ($$show{'haserrors'}) {
+            &check_bombed($resource,$symb,$title,$bombs,$bombed);
+        }
+
+# Maxtries and degree of difficulty for problem parts, unless handgradeable
+        if ($$show{'abovethreshold'}) {  
+            &check_thresholds($resource,$symb,\%resourcetracker,
+			      $triggered,$threshold,$warnings,
+                              $checkallowed);
+        }
+    }
+    return; 
+}
+
+sub check_discussions {
+    my ($resource,$symb,$ressymb,$title,$newdiscussions,$unread,
+	$countunread) = @_;
+
+    if (!$resource->hasDiscussion()) { return; }
+
+    %{$$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 ($resource->is_problem()) {
+        my ($handgradeable,$is_task);
+        my $partlist=$resource->parts();
+        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') {
+                        $handgradeable=1;
+                        last;
                     }
                 }
-                next if (!$submitted || !$graded);
-                $ctr ++;
             }
-            if ($ctr) {
-                $$ungraded{$symb}{count} = $ctr;
+        }
+        if ($handgradeable) {
+            my @ungraded = &Apache::bridgetask::get_queue_symb_status(
+                                             'gradingqueue',$symb,$cdom,$cnum);
+            if (@ungraded > 0) {
+                $$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},$symb);
             }
         }
+    }
+}
+
+sub check_bombed {
+    my ($resource,$symb,$title,$bombs,$bombed) = @_;
+    if ($resource->getErrors()) {
+        my $errors = $resource->getErrors();
+        $errors =~ s/^,//;
+        my @bombs = split(/,/, $errors);
+        my $errorcount = scalar(@bombs);
+        my $errorlink = '<a href="/adm/email?display='.
+                        &escape($bombs[0]).'">'.
+                        $title.'</a>';
+        $$bombed{$symb}{errorcount} = $errorcount;
+        $$bombed{$symb}{errorlink} = $errorlink;
+        push(@{$bombs}, $symb);
+    }
+}
+
+sub check_thresholds {
+    my ($resource,$symb,$resourcetracker,$triggered,$threshold,$warnings,
+        $checkallowed) = @_;
+# Compile maxtries and degree of difficulty for problem parts, unless handgradeable
+    my @parts = @{$resource->parts()};
+    my %stats;
+    my %lastreset = ();
+    my $warning = 0;
+    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($$resourcetracker{$symb."\0".$part."\0attempts"})) {
+            $attempts = $$resourcetracker{$symb."\0".$part."\0attempts"};
+        }
+        if (exists($$resourcetracker{$symb."\0".$part."\0users"})) {
+            $users = $$resourcetracker{$symb."\0".$part."\0users"};
+        }
+        if (exists($$resourcetracker{$symb."\0".$part."\0correct"})) {
+            $corrects = $$resourcetracker{$symb."\0".$part."\0correct"};
+        }
+        if ($attempts > 0) {
+            $degdiff =  1 - ($corrects/$attempts);
+            $degdiff = sprintf("%.2f",$degdiff);
+        }
+        if ($users > 0) {
+            $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 >= $$threshold{'numstudents'})) {
+            $stats{$part}{degdiff} = $degdiff;
+            $stats{$part}{attempts} = $av_attempts;
+            $stats{$part}{users} = $users;
+            $lastreset{$part} = $$resourcetracker{$symb."\0".$part."\0resettime"};
+            if ($lastreset{$part}) {
+                $lastreset{$part} = &Apache::lonnavmaps::timeToHumanString($lastreset{$part});
+            }
+            $warning = 1;
+        }
+    }
+    if ($warning) {
+        $$triggered{$symb}{title} = $resource->title;
+        my $partcount = 0;
+        @{$$triggered{$symb}{text}} = ();
+        foreach my $part (@parts) {
+            if (exists($stats{$part}{users})) {
+                my $resetname = 'reset_'.&escape($symb."\0".$part);
+                my $resettitle = 'title_'.&escape($symb."\0".$part);
+                if (@parts > 1) {
+                    $$triggered{$symb}{text}[$partcount] = '
+                     <td>'.&mt('part - ').$part.'</td>';
+                } else {
+                    $$triggered{$symb}{text}[$partcount] = '
+                     <td>'.&mt('single part').'</td>';
+                }
+                $$triggered{$symb}{text}[$partcount] .= '
+                     <td>'.$stats{$part}{users}.'</td>
+                     <td>'.$stats{$part}{attempts}.'</td>
+                     <td>'.$stats{$part}{degdiff}.'</td>
+                     <td>'.$lastreset{$part}.'</td>';
+                if ($checkallowed->{'resetcounters'}) {
+                    my $aria = ' aria-label="'.&mt('Reset counter for [_1] (part [_2])',
+                                                  $$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);
+    }
+}
 
-# Check for bombs
-        if ($resource->getErrors()) {
-            my $errors = $resource->getErrors();
-            my @bombs = split(/,/, $errors);
-            my $errorcount = scalar(@bombs);
-            my $errorlink = '<a href="/adm/email?display='.
-                            &Apache::lonnet::escape($$bombs[0]).'">';
-            $$bombed{$symb}{errorcount} = $errorcount;
-            $$bombed{$symb}{errorlink} = $errorlink;
-            push(@{$bombs}, $symb);
-        }
-    }
-# Compile maxtries and degree of difficulty.
-}
-
-sub getmail {
-    my ($newmsgs,$critmsgs) = @_;
-# Check for unread mail in course
-    my $msgcount = 0;
 
+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})) { 
+            if (exists($thresholdsettings{$cid.':threshold_'.$item})) {
+                $$threshold{$item} = 
+                             $thresholdsettings{$cid.':threshold_'.$item};
+                $thresholdcount ++;
+            }
+        }
+    }
+    if ($thresholdcount == 3) {
+        return;
+    }
+    my %coursesettings = &Apache::lonnet::dump('environment',
+                                              $cdom,$crs,'internal.threshold');
+    my ($temp) = %coursesettings;
+    unless ($temp =~ /^(con_lost|error|no_such_host)/i) {  
+        foreach my $item (keys(%{$threshold})) {
+            unless (exists($thresholdsettings{$cid.':threshold_'.$item})) {
+                if (exists($coursesettings{'internal.threshold_'.$item})) {
+                    $$threshold{$item} = 
+                             $coursesettings{'internal.threshold_'.$item};
+                }
+            }
+        }
+    }
+    return;
+}
+
+sub get_current {
+    my ($uname,$udom,$cid,$caller) = @_;
+    my $currvalue;
+    my %settings = &Apache::lonnet::dump('nohist_whatsnew',$udom,$uname,$cid.
+                                                                ':'.$caller);
+    my ($tmp) = %settings;
+    unless ($tmp =~ /^(con_lost|error|no_such_host)/i) {
+        $currvalue = $settings{$cid.':'.$caller};
+    }
+    return $currvalue;
+}
+
+sub process_reset {
+    my ($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');
+    my %agg_titles = &Apache::lonlocal::texthash (
+                     attempts => 'Number of submissions',
+                     users => 'Students with submissions',
+                     correct => 'Number of correct submissions',
+                     );
+    my @resets = ();
+    my %titles = ();
+    foreach my $key (keys(%env)) {
+        next if ($key !~ /^form\.reset_(.+)$/);
+        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);
+        foreach my $type (@agg_types) {
+            $aggregates{$reset_item."\0".$type} = 0;
+        }  
+	$aggregates{$reset_item."\0".'resettime'} = time;
+        my $putresult = &Apache::lonnet::put('nohist_resourcetracker',\%aggregates,
+                          $dom,$crs);
+        if ($putresult eq 'ok') {
+            $result .= $title.' -part '.$part.': ';
+            my %new_aggregates = &Apache::lonnet::dump('nohist_resourcetracker',$dom,$crs,$reset_item);
+            foreach my $type (@agg_types) {
+                $result .= $agg_titles{$type}.' = '.$new_aggregates{$reset_item."\0".$type}.'; ';
+            }
+            $result =~ s/; $//;
+            $result .= '<br />';
+        } else {
+            $result = $title.' -part '.$part.': '.&mt('Unable to reset counters to zero due to [_1]',$putresult).'.<br />'."\n";
+        }
+    }
+    return $result;
+}
+
+sub process_update {
+    my ($uname,$udom,$threshold_titles) = @_;
+    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) && ($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.= &Apache::lonhtmlcommon::confirm_success(&mt('Set threshold for [_1] to [_2]',
+				'<b>'.$$threshold_titles{$shortname}.'</b>',
+				'<b>'.$value.'</b>').'<br />');
+	    } else {
+                $setoutput.= &Apache::lonhtmlcommon::confirm_success(&mt('Unable to set threshold for [_1] to [_2] due to [_3].',
+				'<b>'.$name.'</b>','<b>'.$value.'</b>',
+				'<tt>'.$put_result.'</tt>').'<br />',1);
+            }
+        }
+    }
+    return &Apache::loncommon::confirmwrapper($setoutput);
+}
+
+sub getnormalmail {
+    my ($newmsgs) = @_;
+# Check for unread messages in user's INBOX (which were sent in context of current course).
+    my $msgcount = 0;
     my @messages = &Apache::lonnet::getkeys('nohist_email');
-    foreach my $message (@messages) {
-	my $msgid=&Apache::lonnet::escape($message);
-        my ($sendtime,$shortsubj,$fromname,$fromdom,$fromcid,$status)=
-            &Apache::lonmsg::unpackmsgid($msgid);
-        if ($fromcid eq $ENV{'request.course.id'}) {
-            if (defined($sendtime) && $sendtime!~/error/) {
-                my $numsendtime = $sendtime;
-                $sendtime = &Apache::lonlocal::locallocaltime($sendtime);
-                if ($status eq 'new') {
-                    $$msgcount ++;
-                    push(@{$newmsgs}, {
-                        msgid    => $msgid,
-                        sendtime => $sendtime,
-                        shortsub => &Apache::lonnet::unescape($shortsubj),
-                        from     => $fromname,
-                        fromdom  => $fromdom
-                        });
+    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
+                            });
+                    }
                 }
             }
         }
     }
+    return $msgcount;
+}
 
-# Check for critical messages in course
+sub getcritmail {
+    my ($critmsgs) = @_; 
+# 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 $msgid (sort(keys(%what))) {
-        my ($sendtime,$shortsubj,$fromname,$fromdom,$fromcid,$status)=
-            &Apache::lonmsg::unpackmsgid($_);
-        if ($fromcid eq  $ENV{'request.course.id'}) {
+        my $esc_msgid = &escape($msgid);
+        my ($sendtime,$shortsubj,$fromname,$fromdom,$status,$fromcid)=
+            &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 '') {
+                    $shortsubj = &mt('No subject');
+                }
                 push(@{$critmsgs}, {
-                        msgid    => $msgid,
+                        msgid    => $esc_msgid,
                         sendtime => $sendtime,
-                        shortsub => &Apache::lonnet::unescape($shortsubj),
+                        shortsub => $shortsubj,
                         from     => $fromname,
                         fromdom  => $fromdom
                         });
             }
         }
     }
-    return ($msgcount,$critmsgcount);
+    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) = @_;
+    my %changes=&Apache::lonnet::dump('versionupdate',$cdom,$crs);
+    my ($tmp) = keys(%changes);
+    unless ($tmp =~ /^(con_lost|error|no_such_host)/i) {
+        if (keys(%changes) > 0) {
+            foreach my $key (sort(keys(%changes))) {
+                if ($changes{$key} > $starttime) {
+                    my $version;
+                    my ($root,$extension)=($key=~/^(.*)\.(\w+)$/);
+                    my $currentversion=&Apache::lonnet::getversion($key);
+                    my $revdate = 
+                          &Apache::lonnet::metadata($root.'.'.$extension,
+                                                     'lastrevisiondate');
+                    $revdate =  &Apache::lonlocal::locallocaltime($revdate);
+                    my $linkurl=&Apache::lonnet::clutter($key);
+                    my $usedversion=$navmap->usedVersion($linkurl);
+                    my @resources = $navmap->getResourceByUrl($linkurl,1);
+                    if (($usedversion) && ($usedversion ne 'mostrecent')) {
+                        $version = $usedversion;     
+                    } else {
+                        $version = $currentversion;
+                    }
+                    foreach my $res (@resources) {
+                         if (ref($res) eq 'Apache::lonnavmaps::resource') { 
+                            my $symb = $res->symb();
+                            %{$$changed{$symb}} = (
+                                                current => $currentversion,
+                                                version => $version,
+                                                revdate => $revdate,
+                            );
+                        }
+                    }
+                }
+            }
+        }
+    }
+    return;
+}
+
+sub display_handgrade {
+    my ($r,$tograde,$ungraded,$itemserror) = @_;
+    my %lt = &Apache::lonlocal::texthash(
+                        'prna' => 'Problem Name',
+                        'nmun' => 'Number ungraded',
+                        'nopr' => 'No problems require handgrading',
+    );
+    if (@{$tograde} > 0) {
+        $r->print('<tr class="LC_info_row"><th class="LC_left_item">'.
+                  $lt{'prna'}.'</th><th class="LC_right_item">'.
+                  $lt{'nmun'}.'</th></tr>');
+        my $rowNum = 0;
+        my $usediv; 
+        if (@{$tograde} > 1) {
+            $usediv = 1;
+        } 
+        foreach my $res (@{$tograde}) {
+            $rowNum ++;
+            my $css_class = $rowNum%2?' class="LC_odd_row"':'';
+            my $linkurl;
+            if ($$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='.$$ungraded{$res}{'encsymb'};
+                }
+            } else {
+                $linkurl='/adm/grades';
+                if ($$ungraded{$res}{'enclink'}) {
+                    $linkurl.='?symb='.$$ungraded{$res}{'encsymb'};
+                } else {
+                    $linkurl.='?symb='.&escape($res);
+                }
+                $linkurl.='&amp;command=ungraded';
+            }
+            $r->print('<tr'.$css_class.'><td>');
+            if ($usediv) {
+                $r->print('<div class="LC_minheight">');
+            }
+            $r->print('<a href="'.$linkurl.'">'.$$ungraded{$res}{title}.'</a>');
+            if ($usediv) {
+                $r->print('</div>');
+            }
+            $r->print('</td>'.
+                      '<td class="LC_right_item">'.$$ungraded{$res}{count}.'</td></tr>');
+        }
+    } elsif ($itemserror) {
+        $r->print('<tr class="LC_empty_row"><th>'.$itemserror.'</th></tr>');
+    } else {
+        $r->print('<tr class="LC_empty_row"><th>'.$lt{'nopr'}.'</th></tr>');
+    }
+}
+
+sub display_haserrors {
+    my ($r,$bombs,$bombed,$res_title,$itemserror) = @_;
+    my $bombnum = 0;
+    my %lt = &Apache::lonlocal::texthash(
+                                   reso => 'Resource',
+                                   nmer => 'Number of errors',
+                                   noer => 'No problems with errors',
+    );
+    if (@{$bombs} > 0) {
+        $r->print('<tr class="LC_info_row"><th class="LC_left_item">'.
+                  $lt{'reso'}.'</th><th class="LC_right_item">'.
+                  $lt{'nmer'}.'</th></tr>');
+        @{$bombs} = sort { &cmp_title($a,$b,$res_title) } @{$bombs};
+        my $usediv;
+        if (@{$bombs} > 1) {
+            $usediv = 1;
+        }
+        foreach my $bomb (@{$bombs}) {
+            $bombnum ++;
+            my $css_class = $bombnum%2?' class="LC_odd_row"':'';
+            $r->print('<tr'.$css_class.'><td style="vertical-align:middle;">');
+            if ($usediv) {
+                $r->print('<div class="LC_minheight">');
+            }
+            $r->print($$bombed{$bomb}{errorlink});
+            if ($usediv) {
+                $r->print('</div>');
+            } 
+            $r->print('</td><td class="LC_right_item" style="vertical-align:middle;">'.
+                      $$bombed{$bomb}{errorcount}.'</td></tr>');
+        }
+    } elsif ($itemserror) {
+        $r->print('<tr class="LC_empty_row"><th>'.$itemserror.'</th></tr>');
+    } else {
+        $r->print('<tr class="LC_empty_row"><th>'.$lt{'noer'}.'</th></tr>');
+    }
+    return;
+}
+
+sub display_abovethreshold {
+    my ($r,$refpage,$warnings,$triggered,$res_title,$itemserror,$checkallowed) = @_;
+    my %lt = &Apache::lonlocal::texthash(
+                 reso => 'Resource',
+                 part => 'Part',
+                 nust => 'Num. students',
+                 avat => 'Av. Attempts',
+                 dedi => 'Deg. Diff',
+                 lare => 'Last Reset',
+                 reco => 'Reset Count?',
+                 rese => 'Reset counters to 0',
+                 nopr => 'No problems satisfy threshold criteria',
+    );
+    if (@{$warnings} > 0) {
+        @{$warnings} = sort { &cmp_title($a,$b,$res_title) } @{$warnings};
+        $r->print('<tr class="LC_info_row">'.
+		  '<th class="LC_left_item">'.$lt{'reso'}.
+                  '<input type="hidden" name="command" value="" /></th>'.
+		  '<th>'.$lt{'part'}.'</th><th>'.$lt{'nust'}.'</th>'.
+		  '<th>'.$lt{'avat'}.'</th><th>'.$lt{'dedi'}.'</th>'.
+		  '<th>'.$lt{'lare'}.'</th>');
+        if ($checkallowed->{'resetcounters'}) {
+            $r->print('<th class="LC_right_item">'.$lt{'reco'}.'</th>');
+        }
+        $r->print('</tr>');
+	my ($usediv,$row);
+        if (@{$warnings} > 1) {
+            $usediv = 1;
+        }
+        foreach my $res (@{$warnings}) {
+	    $row++;
+            my ($map,$id,$url)=&Apache::lonnet::decode_symb($res);
+            my $linkurl=&Apache::lonnet::clutter($url);
+            my $rowspan;
+            if ($$triggered{$res}{numparts} > 1) {
+                $rowspan = 'rowspan="'.$$triggered{$res}{numparts}.'"';
+            }
+            $linkurl .= '?symb='.&escape($res);
+            if ($$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" '.$rowspan.'>');
+            if ($usediv) {
+                $r->print('<div class="LC_minheight">');
+            }
+            $r->print('<a href="'.$linkurl.'">'.
+		      $$triggered{$res}{title}.'</a>');
+            if ($usediv) {
+                $r->print('</div>');
+            }
+            $r->print('</td>');
+            if (ref($$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>');
+                    }
+                }
+            }
+        }
+        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"><th>'.$itemserror.'</th></tr>');
+    } else {
+        $r->print('<tr class="LC_empty_row"><th>'.$lt{'nopr'}.'</th></tr>');
+    }
+}
+
+sub display_versionchanges {
+    my ($r,$changed,$res_title,$interval,$itemserror) = @_;
+    my %lt = &Apache::lonlocal::texthash(
+        'reso' => 'Resource',
+        'revd' => 'Last revised',
+        'newv' => 'New version',
+        'veru' => 'Version used',
+    );
+    if (keys(%{$changed}) > 0) {
+        $r->print('<tr class="LC_info_row">'.
+                  '<th class="LC_left_item LC_nobreak">'.$lt{'reso'}.'</th>'.
+                  '<th class="LC_left_item LC_nobreak">'.$lt{'revd'}.'</th>'.
+                  '<th class="LC_left_item LC_nobreak">'.$lt{'newv'}.'</th>'.
+                  '<th class="LC_left_item LC_nobreak">'.$lt{'veru'}.'</th>'.
+                  '</tr>');
+        my @changes = sort { &cmp_title($a,$b,$res_title) } keys(%{$changed});
+        my $changenum = 0;
+        my $usediv;
+        if (@changes > 1) {
+            $usediv = 1;
+        }
+        foreach my $item (@changes) {
+            $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='.&escape($item);
+
+            $r->print('<tr'.$css_class.'><td>');
+            if ($usediv) {
+                $r->print('<div class="LC_minheight">');
+            }
+            $r->print('<a href="'.$linkurl.'">'.
+                      $$res_title{$item}.'</a>');
+            if ($usediv) {
+                $r->print('</div>');
+            }
+            $r->print('</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"><th>'.$itemserror.'</th></tr>');
+    } else {
+        $r->print('<tr class="LC_empty_row"><th>'
+                 .&mt('No '.$interval).'</th></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">'.
+                  '<th class="LC_left_item">'.$lt{'tich'}.'</th>'.
+                  '<th class="LC_left_item">'.$lt{'user'}.'</th>'.
+                  '<th class="LC_left_item">'.$lt{'role'}.'</th>'.
+                  '<th class="LC_left_item">'.$lt{'sec'}.'</th>'.
+                  '<th class="LC_left_item">'.$lt{'status'}.'</th></tr>');
+        if (ref($changed) eq 'HASH') {
+            my @changes = sort { $b <=> $a } (keys(%{$changed}));
+            my $changenum = 0;
+            my $fullnameidx = &Apache::loncoursedata::CL_FULLNAME();
+            my $usediv;
+            if ($chgcount > 1) {
+                $usediv = 1;
+            }
+            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>');
+                            if ($usediv) {
+                                $r->print('<div class="LC_minheight">');
+                            }
+                            $r->print($link);
+                            if ($usediv) {
+                                $r->print('</div>');
+                            }
+                            $r->print('</td>'.
+                                      '<td>'.$role.'</td>'.
+                                      '<td>'.$section.'</td>'.
+                                      '<td>'.$status.'</td></tr>');
+                        }
+                    }
+                }
+            }
+        }
+    } else {
+        $r->print('<tr class="LC_empty_row"><th>'
+                 .&mt('There are no '.$interval).'</th></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">'.
+                  '<th class="LC_left_item">'.$lt{'user'}.'</th>'.
+                  '<th class="LC_left_item">'.$lt{'role'}.'</th>'.
+                  '<th class="LC_left_item">'.$lt{'sec'}.'</th>';
+        if ($context eq 'sessions') {
+            $hdr .= '<th class="LC_left_item">'.$lt{'active'}.'</th>';
+        }
+        $hdr .= '</tr>'."\n".
+                '<tr class="LC_info_row" id="'.$prefix.'titlesum">'.
+                '<th class="LC_left_item">'.$lt{'number'}.'</th>'.
+                '<th class="LC_left_item">'.$lt{'role'}.'</th>'.
+                '<th 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();
+            my $usediv;
+            if ($count > 1) {
+                $usediv = 1;
+            }
+            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>';
+                            if ($usediv) {
+                                $entry .= '<div class="LC_minheight">';
+                            }
+                            $entry .= $link;
+                            if ($usediv) {
+                                $entry .= '</div>';
+                            }
+                            $entry .= '</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.
+                      '" /></th></tr>'.$table);
+        }
+    } else {
+        $r->print('<tr class="LC_empty_row"><th>'.
+                  &mt('There are no '.$interval).
+                  '<input type="hidden" name="'.$prefix.'count" value="'.$count.
+                  '." /></th></tr>');
+    }
+    return;
+}
+
+sub display_coursediscussion {
+    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' => 'New posts',
+                'noun' => 'No unread posts in '.$lctype.' discussions',
+                'tmlp' => 'Time of last post', 
+    );
+    if (@{$newdiscussions} > 0) {
+        $r->print('<tr class="LC_info_row">'.
+                  '<th class="LC_left_item LC_nobreak">'.$lt{'loca'}.'</th>'.
+                  '<th class="LC_left_item LC_nobreak">'.$lt{'type'}.'</th>');
+        if ($countunread eq 'on') {
+            $r->print('<th class="LC_left_item LC_nobreak">'.$lt{'tmlp'}.'</th>'.
+                      '<th class="LC_left_item LC_nobreak">'.$lt{'numn'}.'</th>');
+        } else {
+            $r->print('<th class="LC_left_item">'.$lt{'tmlp'}.'</th>');
+        }
+        $r->print("</tr>\n");
+        @{$newdiscussions} = sort { &cmp_title($a,$b,$res_title) }
+                                                            @{$newdiscussions};
+        my $rowNum = 0;
+        my $usediv;
+        if (@{$newdiscussions} > 1) {
+            $usediv = 1;
+        }
+        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($$unread{$ressymb}{symb});
+            if ($feedurl =~ /bulletinboard/) {
+                $type = 'Discussion Board';
+            }
+            if ($$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(
+                                               $$unread{$ressymb}{'lastpost'});
+            $r->print('<tr'.$css_class.'><td>');
+            if ($usediv) {
+                $r->print('<div class="LC_minheight">');
+            }
+            $r->print('<a href="'.$disclink.'">'.$forum_title.'</a>&nbsp;');
+            if ($usediv) {
+                $r->print('</div>');
+            }
+            $r->print('</td>'.
+                      '<td>'.&mt($type).'&nbsp;</td>');
+            if ($countunread eq 'on') {
+                my $unreadnum = $$unread{$ressymb}{'unreadcount'};
+                $r->print('<td>'.$lastpost.'</td><td class="LC_left_item">'.
+                          $unreadnum.'</td>');
+            } else {
+                $r->print('<td class="LC_left_item">'.$lastpost.'</td>');
+            }
+            $r->print("</tr>\n");
+        }
+    } elsif ($itemserror) {
+        $r->print('<tr class="LC_empty_row"><th>'.$itemserror.'</th></tr>');
+    } else {
+        $r->print('<tr class="LC_empty_row"><th>'.$lt{'noun'}.'</th></tr>');
+    }
+}
+
+sub display_coursenormalmail {
+    my ($r,$msgcount,$newmsgs) = @_;
+    my $lctype = lc(&Apache::loncommon::course_type());
+    if ($msgcount > 0) {
+        $r->print('<tr class="LC_info_row"><th class="LC_left_item">'.
+                  &mt('Number').'&nbsp;</th><th class="LC_left_item">'.
+                  &mt('Subject').'</th><th class="LC_left_item">'.
+                  &mt('Sender').'</th><th class="LC_left_item">'.
+                  &mt('Date/Time').'</th></tr>');
+        my $mailcount = 0;
+        my $usediv;
+        if (@{$newmsgs}) {
+            $usediv = 1;
+        }
+        foreach my $msg (@{$newmsgs}) {
+            $mailcount ++;
+            my $css_class = $mailcount%2?' class="LC_odd_row"':'';
+            $r->print('<tr'.$css_class.'><td>'.$mailcount
+                      .'.&nbsp;</td><td>');
+            if ($usediv) {
+                $r->print('<div class="LC_minheight">');
+            }
+            $r->print('<a href="/adm/email?display='
+                      .$msg->{'msgid'}.'">'
+                      .$msg->{'shortsub'}.'</a>&nbsp;&nbsp;');
+            if ($usediv) {
+                $r->print('</div>');
+            }
+            $r->print('</td><td>'
+                      .$msg->{'from'}.':'.$msg->{'fromdom'}.'&nbsp;&nbsp;</td><td>'
+                      .$msg->{'sendtime'}.'</td></tr>');
+        }
+    } else {
+        $r->print('<tr class="LC_empty_row"><th>'.
+                  &mt('No new '.$lctype.' messages').'</th></tr>');
+    }
+}
+
+sub display_coursecritmail {
+    my ($r,$critmsgcount,$critmsgs) = @_;
+    my $lctype = lc(&Apache::loncommon::course_type());
+    if ($critmsgcount > 0) {
+        $r->print('<tr class="LC_info_row"><th class="LC_left_item">'.
+                  &mt('Number').'</th><th>'.&mt('Subject').'</th><th>'.
+                  &mt('Sender').'</th><th class="LC_right_item">'.
+                  &mt('Date/Time').'</th></tr>');
+        my $mailcount = 0;
+        my $usediv;
+        if (@{$critmsgs} > 1) {
+            $usediv = 1;
+        }
+        foreach my $msg (@{$critmsgs}) {
+            $mailcount ++;
+            my $css_class = $mailcount%2?' class="LC_odd_row"':'';
+            $r->print('<tr'.$css_class.'><td>'.$mailcount.
+                      '. &nbsp;</td>'.
+                      '<td>');
+            if ($usediv) {
+                $r->print('<div class="LC_minheight">');
+            }
+            $r->print('<a href="/adm/email?folder=critical">'.
+                      $msg->{'shortsub'}.'</a>&nbsp; &nbsp;');
+            if ($usediv) {
+                $r->print('</div>');
+            }
+            $r->print('</td><td>&nbsp;'.
+                      $msg->{'from'}.':'.$msg->{'fromdom'}.'&nbsp;</td><td>'.
+                      $msg->{'sendtime'}.'</td></tr>');
+        }
+    } else {
+        $r->print('<tr class="LC_empty_row"><th>'.
+                  &mt('No unread critical messages in '.$lctype).
+                  '</th></tr>');
+    }
 }
 
 sub cmp_title {
-    my ($atitle,$btitle) = (lc($_[0]->compTitle),lc($_[1]->compTitle));
+    my ($a,$b,$res_title) = @_;
+    my ($atitle,$btitle) = (lc($$res_title{$a}),lc($$res_title{$b}));
     $atitle=~s/^\s*//;
     $btitle=~s/^\s*//;
     return $atitle cmp $btitle;
 }
 
+sub get_display_settings {
+    my ($uname,$udom,$cid) = @_;
+    my %settings = &Apache::lonnet::dump('nohist_whatsnew',$udom,$uname,$cid); 
+    my ($tmp) = keys(%settings);
+    if ($tmp=~ /^(con_lost|error|no_such_host)/i) {
+        %settings = ();
+        unless ($tmp =~ /^error: 2 /) {
+	    my $lctype = lc(&Apache::loncommon::course_type());
+            &Apache::lonnet::logthis('Error retrieving whatsnew settings: '.
+            $tmp.' for '.$uname.':'.$udom.' for '.$lctype.': '.$cid);
+        }
+    }
+    return %settings;
+}
+
+sub store_display_settings {
+    my ($uname,$udom,$cid,$checkallowed) = @_;
+    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};
+            }
+        }
+    }
+    if (keys(%whatsnew_settings)) {
+        $result = &Apache::lonnet::put('nohist_whatsnew',\%whatsnew_settings,
+                                                                 $udom,$uname);
+    } else {
+        $result = 'ok';
+    }
+    return $result;
+}
+
+sub store_interval_setting {
+    my ($uname,$udom,$cid,$interval_titles) = @_;
+    my %interval_settings = ();
+    my $result;
+    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') {
+            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 {
+	    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>'.$outcome.'</tt>'),1);
+        }
+    }
+    return &Apache::loncommon::confirmwrapper($result);
+}
+
+sub store_discussion_setting {
+    my ($uname,$udom,$cid) = @_;
+    my %discussion_settings;
+    my $result;
+    if (defined($env{'form.countunread'})) {
+        $discussion_settings{$cid.':countunread'} = $env{'form.countunread'};
+        my $outcome = &Apache::lonnet::put('nohist_whatsnew',
+                                             \%discussion_settings,$udom,$uname);
+        if ($outcome eq 'ok') {
+            $result = &Apache::lonhtmlcommon::confirm_success(&mt('Count unread posts in discussions display set to [_1]',
+                  '<b>'.&mt($env{'form.countunread'}).'</b>').'<br />');
+                                                                                  
+        } else {
+	    my $lctype = lc(&Apache::loncommon::course_type());
+            &Apache::lonnet::logthis('Error saving whatsnew countunread setting'.
+                ' '.$outcome.' for '.$uname.':'.$udom.' in '.$lctype.' '.$cid);
+            $result = &Apache::lonhtmlcommon::confirm_success(&mt('Unable to set "number unread posts display" to [_1]'.
+                          ' due to [_2].',
+                         '<b>'.&mt($env{'form.countunread'}).'</b>',
+                         '<tt>'.$outcome.'</tt>'),1);
+        }
+    }
+    return &Apache::loncommon::confirmwrapper($result);
+}
+
+sub store_courseinit_setting {
+    my ($uname,$udom,$cid,$initpage) = @_;
+    my %courseinit_settings;
+    my $page_control;
+    my $result;
+    if (defined($env{'form.courseinit_control'})) {
+        if ($env{'form.courseinit_control'} eq 'userpref') {
+            $courseinit_settings{$cid.':courseinit'} = '';
+            $page_control = 'global preferences';
+        } else {
+            if (defined($env{'form.courseinit_page'})) {
+                $courseinit_settings{$cid.':courseinit'} = 
+                                                  $env{'form.courseinit_page'};
+                $page_control = 'course specific setting';
+            }
+        }
+        if ($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 = &Apache::lonhtmlcommon::confirm_success(&mt("Page displayed after role selection in $lctype now set by [_1]user's global preferences[_2].",'<b>','</b>'));
+                } else {
+                    $result = &Apache::lonhtmlcommon::confirm_success(&mt('Page displayed after role selection in this '.$lctype.' set to [_1].'
+                                 ,'<b>'.&mt($initpage->{$env{'form.courseinit_page'}}).'</b>'));
+                }
+            } else {
+                &Apache::lonnet::logthis('Error saving whatsnew courseinit '.
+                                         'setting: '.$outcome.' for '.$uname.
+                                         ':'.$udom.' in '.$lctype.' '.$cid);
+                if ($page_control eq 'global preferences') {
+                    $result = &Apache::lonhtmlcommon::confirm_success(&mt('Unable to set control of page display to [_1]'.
+                          ' due to [_2].',
+                         '<b>'.$page_control.'</b>',
+                         '<tt>'.$outcome.'</tt>'),1);
+                } else {
+                    $result = &Apache::lonhtmlcommon::confirm_success(&mt('Unable to set page display, after role selection, for this '.$lctype.' to [_1] due to [_2].'
+                                 ,'<b>'.&mt($initpage->{$env{'form.courseinit_page'}}).'</b>'
+                                 ,'<tt>'.$outcome.'</tt>'),1);
+                }
+            }
+        }
+    }
+    return &Apache::loncommon::confirmwrapper($result);
+}
+
+sub start_box {
+    my ($r,$show,$heading,$caller,$refpage) = @_;
+    my %lt = &Apache::lonlocal::texthash( 
+                       chth => 'Change thresholds?',
+                       chin => 'Change interval?',
+                       chop => 'Change options?',
+    );
+    my $showhide;
+    if ($$show{$caller}) {
+        $showhide = '<b><a href="javascript:change_display(document.visible.'.
+                               'display_'.$caller.",'hide'".');">'.
+                               &mt('Hide').'</a></b>';
+   
+    } else {
+        $showhide = '<b><a href="javascript:change_display(document.visible.'.
+                               'display_'.$caller.",'show'".');">'.
+                               &mt('Show').'</a></b>';
+    }
+    
+    $r->print('
+         <table class="LC_nested_outer">
+          <tr>
+           <th class="LC_left_item">'.$$heading{$caller}.'</th>
+           <th class="LC_right_item">'.$showhide.'</th>
+          </tr>');
+     if (($caller eq 'abovethreshold') && ($$show{$caller})) {
+         if ($$show{$caller}) {
+             $r->print('
+              <tr>
+                <td class="LC_subheader" colspan="2"><a href="/adm/whatsnew?command=chgthreshold&amp;refpage='.$refpage.'">'.$lt{'chth'}.'</a></td>
+              </tr>');
+         }
+     } elsif (($caller eq 'versionchanges') && ($$show{$caller})) {
+         if ($$show{$caller}) {
+             $r->print('
+              <tr>
+                <td class="LC_subheader" colspan="2"><a href="/adm/whatsnew?command=chginterval&amp;refpage='.$refpage.'">'.$lt{'chin'}.'</a></td>
+              </tr>');
+         }
+     } elsif ($caller eq 'coursediscussion') {
+         if ($$show{$caller}) {
+             $r->print('
+              <tr>
+                <td class="LC_subheader" colspan="2"><a href="/adm/whatsnew?command=chgdisc&amp;refpage='.$refpage.'">'.$lt{'chop'}.'</a></td>
+              </tr>');
+         }
+     } elsif (($caller eq 'newroles') && ($$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 ($$show{$caller}) {
+            $r->print('
+              <tr>
+                <td class="LC_subheader" align="left"><fieldset class="LC_landmark"><legend><span class="LC_visually_hidden">'.&mt('Go').'</span></legend><span class="LC_nobreak"><label><input type="radio" name="logindetails" value="0" checked="checked" onclick="javascript:toggledetails('."'login'".');" />&nbsp;'.&mt('Summary').'</label><label><input type="radio" name="logindetails" value="1" onclick="javascript:toggledetails('."'login'".');" />&nbsp;'.&mt('Details').'</label></span></fieldset></td><td class="LC_subheader"><a href="/adm/whatsnew?command=chgcrslogininterval&amp;refpage='.$refpage.'">'.$lt{'chin'}.'</a></td>
+              </tr>');
+        }
+    } elsif (($caller eq 'sessions') && ($$show{$caller})) {
+        if ($$show{$caller}) {
+            $r->print('
+              <tr>
+                <td class="LC_subheader" align="left"><fieldset class="LC_landmark"><legend><span class="LC_visually_hidden">'.&mt('Leave').'</span></legend><span class="LC_nobreak"><label><input type="radio" name="sessiondetails" value="0" checked="checked" onclick="javascript:toggledetails('."'session'".');" />&nbsp;'.&mt('Summary').'</label><label><input type="radio" name="sessiondetails" value="1" onclick="javascript:toggledetails('."'session'".');" />&nbsp;'.&mt('Details').'</label></span></td><td class="LC_subheader"><a href="/adm/whatsnew?command=chgsessionlimit&amp;refpage='.$refpage.'">'.$lt{'chin'}.'</a></td>
+              </tr>');
+        }
+    }
+    $r->print('
+              <tr>
+               <td colspan="2">
+                <table class="LC_nested">
+');
+    return;
+}
+
+sub end_box {
+    my ($r) = shift;
+    $r->print('
+   </table>
+  </td>
+ </tr>
+</table><br />');
+    return;
+}
+
+1;