--- loncom/interface/lonstatistics.pm 2008/11/10 13:20:14 1.143
+++ loncom/interface/lonstatistics.pm 2010/12/05 17:27:30 1.148.2.7
@@ -1,6 +1,6 @@
# The LearningOnline Network with CAPA
#
-# $Id: lonstatistics.pm,v 1.143 2008/11/10 13:20:14 jms Exp $
+# $Id: lonstatistics.pm,v 1.148.2.7 2010/12/05 17:27:30 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -28,22 +28,7 @@
#
###
-=pod
-
-=head1 NAME
-
-lonstatistics
-
-=head1 SYNOPSIS
-
-Main handler for statistics and chart.
-
-This is part of the LearningOnline Network with CAPA project
-described at http://www.lon-capa.org.
-
-=over 4
-=cut
package Apache::lonstatistics;
@@ -81,33 +66,6 @@ use Apache::lonsurveyreports();
use Apache::longradinganalysis();
use LONCAPA;
-#######################################################
-#######################################################
-
-=pod
-
-=item Package Variables
-
-=item @FullClasslist The full classlist
-
-=item @Students The students we are concerned with for this invocation
-
-=item @Sections The sections available in this class
-
-=item @Groups The groups available in the class
-
-=item $curr_student The student currently being examined
-
-=item $prev_student The student previous in the classlist
-
-=item $next_student The student next in the classlist
-
-=over
-
-=cut
-
-#######################################################
-#######################################################
#
# Classlist variables
#
@@ -115,43 +73,7 @@ my $curr_student;
my $prev_student;
my $next_student;
-#######################################################
-#######################################################
-
-=pod
-
-=item &clear_classlist_variables()
-
-undef the following package variables:
-=over
-
-=item @FullClasslist
-
-=item @Students
-
-=item @Sections
-
-=item @Groups
-
-=item %StudentData
-
-=item @StudentDataOrder
-
-=item @SelectedStudentData
-
-=item $curr_student
-
-=item $prev_student
-
-=item $next_student
-
-=back
-
-=cut
-
-#######################################################
-#######################################################
sub clear_classlist_variables {
undef(@FullClasslist);
undef(@Students);
@@ -164,45 +86,7 @@ sub clear_classlist_variables {
undef($next_student);
}
-#######################################################
-#######################################################
-
-=pod
-
-=item &PrepareClasslist()
-
-Build up the classlist information. The classlist information is kept in
-the following package variables:
-
-=over
-
-=item @FullClasslist
-
-=item @Students
-
-=item @Sections
-
-=item @Groups
-
-=item %StudentData
-
-=item @SelectedStudentData
-
-=item $curr_student
-
-=item $prev_student
-
-=item $next_student
-
-=back
-
-$curr_student, $prev_student, and $next_student may not be defined, depending
-upon the calling context.
-
-=cut
-#######################################################
-#######################################################
sub PrepareClasslist {
my %Sections;
&clear_classlist_variables();
@@ -377,19 +261,7 @@ sub PrepareClasslist {
return;
}
-#######################################################
-#######################################################
-
-=pod
-
-=item get_selected_sections
-
-Returns an array of the selected sections
-
-=cut
-#######################################################
-#######################################################
sub get_selected_sections {
my @selected_sections =
&Apache::loncommon::get_env_multiple('form.Section');
@@ -407,19 +279,7 @@ sub get_selected_sections {
return @selected_sections;
}
-#######################################################
-#######################################################
-
-=pod
-
-=item get_selected_groups
-
-Returns an array of the selected groups
-
-=cut
-
-#######################################################
-#######################################################
+
sub get_selected_groups {
my @selected_groups =
&Apache::loncommon::get_env_multiple('form.Group');
@@ -433,21 +293,8 @@ sub get_selected_groups {
return @selected_groups;
}
-=pod
-=item §ion_and_enrollment_description
-
-Returns a string describing the currently selected section(s), group(s) and
-access status.
-
-Inputs: mode = 'plaintext' or 'localized' (defaults to 'localized')
- 'plaintext' is used for example in Excel spreadsheets.
-Returns: scalar description string.
-
-=cut
-#######################################################
-#######################################################
sub section_and_enrollment_description {
my ($mode) = @_;
if (! defined($mode)) { $mode = 'localized'; }
@@ -472,8 +319,8 @@ sub section_and_enrollment_description {
return $description;
}
-#######################################################
-#######################################################
+
+
sub section_or_group_text {
my ($mode,$type,@items) = @_;
@@ -516,16 +363,6 @@ sub section_or_group_text {
}
-=pod
-
-=item get_students
-
-Returns a list of the selected students
-
-=cut
-
-#######################################################
-#######################################################
sub get_students {
if (! @Students) {
&PrepareClasslist()
@@ -533,84 +370,26 @@ sub get_students {
return @Students;
}
-#######################################################
-#######################################################
-=pod
-=item ¤t_student()
-
-Returns a pointer to a hash containing data about the currently
-selected student.
-
-=cut
-
-#######################################################
-#######################################################
sub current_student {
return $curr_student;
}
-#######################################################
-#######################################################
-=pod
-=item &previous_student()
-
-Returns a pointer to a hash containing data about the student prior
-in the list of students. Or something.
-
-=cut
-
-#######################################################
-#######################################################
sub previous_student {
return $prev_student;
}
-#######################################################
-#######################################################
-
-=pod
-
-=item &next_student()
-
-Returns a pointer to a hash containing data about the next student
-to be viewed.
-=cut
-#######################################################
-#######################################################
sub next_student {
return $next_student;
}
-##############################################
-##############################################
-
-=pod
-
-=item &StudentDataSelect($elementname,$status,$numvisible,$selected)
-
-Returns html for a selection box allowing the user to choose one (or more)
-of the fields of student data available (fullname, username, id, section, etc)
-
-=over 4
-
-=item $elementname The name of the HTML form element
-
-=item $status 'multiple' or 'single' selection box
-=item $numvisible The number of options to be visible
-=back
-
-=cut
-
-##############################################
-##############################################
sub StudentDataSelect {
my ($elementname,$status,$numvisible)=@_;
if ($numvisible < 1) {
@@ -621,7 +400,7 @@ sub StudentDataSelect {
my $Str = "\n";
$Str .= '<select name="'.$elementname.'" ';
if ($status ne 'single') {
- $Str .= 'multiple="true" ';
+ $Str .= 'multiple="multiple" ';
}
$Str .= 'size="'.$numvisible.'" >'."\n";
#
@@ -650,22 +429,8 @@ sub StudentDataSelect {
return $Str;
}
-#######################################################
-#######################################################
-
-=pod
-
-=item &get_selected_maps($elementname)
-
-Input: Name of the <select> form element used to specify the maps.
-
-Returns: Array of symbs of selected maps or the description 'all'.
- If form.$elementname does not exist, 'all' is returned.
-=cut
-#######################################################
-#######################################################
sub get_selected_maps {
my ($elementname) = @_;
my @selected_maps =
@@ -681,25 +446,8 @@ sub get_selected_maps {
}
-#######################################################
-#######################################################
-
-=pod
-
-=item &selected_sequences_with_assessments
-
-Retrieve the sequences which were selected by the user to show.
-
-Input: $mode: scalar. Either 'selected' or 'all'. If not specified,
- 'selected' is used.
-
-Returns: an array containing a navmap object and navmap resources,
- or an array containing a scalar with an error message.
-=cut
-#######################################################
-#######################################################
sub selected_sequences_with_assessments {
my ($mode) = @_;
$mode = 'selected' if (! defined($mode));
@@ -708,11 +456,27 @@ sub selected_sequences_with_assessments
return ('Can not open Coursemap');
}
#
- my @sequences = $navmap->retrieveResources(undef,
+ my $mapurl;
+ if (&Apache::loncommon::needs_gci_custom()) {
+ my $cid = $env{'request.course.id'};
+ if ($cid) {
+ my $cdom = $env{'course.'.$cid.'.domain'};
+ if ($cdom =~ /^\w+citest$/) {
+ my $sequence = &Apache::loncommon::get_citest_map($cdom);
+ my $cnum = $env{'course.'.$cid.'.num'};
+ if ($sequence) {
+ $mapurl = '/uploaded/'.$cdom.'/'.$cnum.'/'.$sequence;
+ }
+ }
+ }
+ }
+ my @sequences = $navmap->retrieveResources($mapurl,
sub { shift->is_map(); },1,0,1);
- my $toplevelseq = $navmap->getById('0.0');
- if (!grep(/^\Q$toplevelseq\E$/,@sequences)) {
- unshift(@sequences,$toplevelseq);
+ unless (&Apache::loncommon::needs_gci_custom()) {
+ my $toplevelseq = $navmap->getById('0.0');
+ if (!grep(/^\Q$toplevelseq\E$/,@sequences)) {
+ unshift(@sequences,$toplevelseq);
+ }
}
my @sequences_with_assessments;
@@ -739,31 +503,7 @@ sub selected_sequences_with_assessments
return $navmap,@sequences_to_show;
}
-##############################################
-##############################################
-
-=pod
-
-=item &map_select($elementname,$status,$numvisible,$restriction)
-
-Returns html for a selection box allowing the user to choose one (or more)
-of the sequences in the course. The values of the sequences are the symbs.
-If the top sequence is selected, the value 'top' will result.
-
-=over 4
-
-=item $elementname The name of the HTML form element
-
-=item $status 'multiple' or 'single' selection box
-
-=item $numvisible The number of options to be visible
-
-=back
-
-=cut
-##############################################
-##############################################
sub map_select {
my ($elementname,$status,$numvisible)=@_;
if ($numvisible < 1) {
@@ -777,16 +517,18 @@ sub map_select {
my $form = "\n";
$form .= '<select name="'.$elementname.'" ';
if ($status ne 'single') {
- $form .= 'multiple="true" ';
+ $form .= 'multiple="multiple" ';
}
$form .= 'size="'.$numvisible.'" >'."\n";
- #
- # Put in option for 'all'
- $form .= ' <option value="all" ';
- if ($selected_maps[0] eq 'all') {
- $form .= 'selected ';
+ unless (&Apache::loncommon::needs_gci_custom()) {
+ #
+ # Put in option for 'all'
+ $form .= ' <option value="all" ';
+ if ($selected_maps[0] eq 'all') {
+ $form .= 'selected ';
+ }
+ $form .= ">all</option>\n";
}
- $form .= ">all</option>\n";
#
# Loop through the sequences
my @sequences = &selected_sequences_with_assessments('all');
@@ -798,10 +540,14 @@ sub map_select {
}
foreach my $seq (@sequences){
$form .= ' <option value="'.$seq->symb.'" ';
- foreach (@selected_maps) {
- if ($seq->symb eq $_) {
- $form .= 'selected ';
- last;
+ if ((&Apache::loncommon::needs_gci_custom()) && (@selected_maps == 1)) {
+ $form .= 'selected ';
+ } else {
+ foreach (@selected_maps) {
+ if ($seq->symb eq $_) {
+ $form .= 'selected ';
+ last;
+ }
}
}
$form .= '>'.$seq->compTitle."</option>\n";
@@ -810,31 +556,7 @@ sub map_select {
return $form;
}
-##############################################
-##############################################
-
-=pod
-
-=item &SectionSelect($elementname,$status,$numvisible)
-
-Returns html for a selection box allowing the user to choose one (or more)
-of the sections in the course.
-
-Uses the package variables @Sections
-=over 4
-
-=item $elementname The name of the HTML form element
-
-=item $status 'multiple' or 'single' selection box
-
-=item $numvisible The number of options to be visible
-
-=back
-
-=cut
-##############################################
-##############################################
sub SectionSelect {
my ($elementname,$status,$numvisible)=@_;
if ($numvisible < 1) {
@@ -850,7 +572,7 @@ sub SectionSelect {
my $Str = "\n";
$Str .= '<select name="'.$elementname.'" ';
if ($status ne 'single') {
- $Str .= 'multiple="true" ';
+ $Str .= 'multiple="multiple" ';
}
$Str .= 'size="'.$numvisible.'" >'."\n";
#
@@ -869,31 +591,7 @@ sub SectionSelect {
return $Str;
}
-##############################################
-##############################################
-
-=pod
-
-=item &GroupSelect($elementname,$status,$numvisible)
-
-Returns html for a selection box allowing the user to choose one (or more)
-of the groups in the course.
-
-Uses the package variables @Groups
-=over 4
-
-=item $elementname The name of the HTML form element
-
-=item $status 'multiple' or 'single' selection box
-
-=item $numvisible The number of options to be visible
-
-=back
-
-=cut
-
-##############################################
-##############################################
+
sub GroupSelect {
my ($elementname,$status,$numvisible)=@_;
if ($numvisible < 1) {
@@ -909,7 +607,7 @@ sub GroupSelect {
my $Str = "\n";
$Str .= '<select name="'.$elementname.'" ';
if ($status ne 'single') {
- $Str .= 'multiple="true" ';
+ $Str .= 'multiple="multiple" ';
}
$Str .= 'size="'.$numvisible.'" >'."\n";
#
@@ -928,8 +626,8 @@ sub GroupSelect {
}
-##################################################
-##################################################
+
+
sub DisplayClasslist {
my ($r)=@_;
&Apache::lonhtmlcommon::add_breadcrumb
@@ -1038,7 +736,7 @@ sub DisplayClasslist {
$Str .= '&sort='.&escape($env{'form.sort'});
$Str .= '&SelectedStudent=';
$Str .= &escape($sname).'">';
- $Str .= $student->{$field}.' ';
+ $Str .= $student->{$field}.' ';
$Str .= '</a>';
} elsif ($field eq 'status') {
$Str .= &mt($student->{$field});
@@ -1057,72 +755,72 @@ sub DisplayClasslist {
return;
}
-##############################################
-##############################################
+
+
sub CreateMainMenu {
#
# Define menu data
- my @reports = ({ internal_name => 'problem_statistics',
- name => &mt('Overall Problem Statistics'),
- short_description =>
- &mt('Student performance statistics on all problems.'),
- },
- { internal_name => 'problem_analysis',
- name => &mt('Detailed Problem Analysis'),
- short_description =>
- &mt('Detailed statistics and graphs of student performance on problems.'),
- },
- { internal_name => 'submissiontime_analysis',
- name => &mt('Submission Time Plots'),
- short_description =>
- &mt('Display and analysis of submission times on assessments.'),
- },
- { internal_name => 'student_submission_reports',
- name => &mt('Student Submission Reports'),
- short_description =>
- &mt('Prepare reports of student submissions.'),
- },
- { internal_name => 'survey_reports',
- name => &mt('Survey Reports'),
- short_description =>
- &mt('Prepare reports on survey results.'),
- },
- { internal_name => 'correct_problems_plot',
- name => &mt('Correct Problems Plot'),
- short_description =>
- &mt('Display a histogram of student performance in the course.'),
- },
-# { internal_name => 'grading_analysis',
-# name => &mt('Detailed Grading Analysis'),
-# short_description =>
-# &mt('Display statistics about who graded who.'),
-# },
-# { internal_name => 'student_assessment',
-# name => &mt('Problem Status Chart'),
-# short_description =>
-# &mt('Brief view of each students performance in course.'),
-# },
- # 'percentage' => 'Correct-problems Plot',
- # 'activitylog' => 'Activity Log',
- );
- #
- # Create the menu
- my $Str;
- $Str .= '<h2>'.&mt('Please select a report to generate').'</h2>';
- foreach my $reportdata (@reports) {
- $Str .=' <h3><a href="/adm/statistics?reportSelected='.
- $reportdata->{'internal_name'}.'" >'.
- $reportdata->{'name'}."</a></h3>\n";
- $Str .= ' '.(' 'x8).$reportdata->{'short_description'}.
- "\n";
+ my @reports = (
+ {categorytitle => 'Statistics and Analyses',
+ items => [
+ {url => '/adm/statistics?reportSelected=problem_statistics',
+ permission => 'F',
+ icon => 'document-open.png',
+ linktext => ('Overall Problem Statistics'),
+ linktitle => ('Student performance statistics on all problems.')},
+
+ {url => '/adm/statistics?reportSelected=problem_analysis',
+ permission => 'F',
+ icon => 'edit-find.png',
+ linktext => ('Detailed Problem Analysis'),
+ linktitle => ('Detailed statistics and graphs of student performance on problems.')},
+ ]},
+ {categorytitle => 'Plots',
+ items => [
+ {url => '/adm/statistics?reportSelected=submissiontime_analysis',
+ permission => 'F',
+ icon => 'subtimpl.png',
+ linktext => ('Submission Time Plots'),
+ linktitle => ('Display and analysis of submission times on assessments.')},
+
+ {url => '/adm/statistics?reportSelected=correct_problems_plot',
+ permission => 'F',
+ icon => 'coprplot.png',
+ linktext => ('Correct Problems Plot'),
+ linktitle => ('Display a histogram of student performance in the course.')},
+ ]});
+ if (&Apache::loncommon::needs_gci_custom()) {
+ push(@reports,
+ {categorytitle => 'Reports',
+ items => [
+ {url => '/adm/statistics?reportSelected=student_submission_reports',
+ permission => 'F',
+ icon => 'edit-copy.png',
+ linktext => ('Student Submission Reports'),
+ linktitle => ('Prepare reports of student submissions.')},
+ ]});
+ } else {
+ push(@reports,
+ {categorytitle => 'Reports',
+ items => [
+ {url => '/adm/statistics?reportSelected=student_submission_reports',
+ permission => 'F',
+ icon => 'edit-copy.png',
+ linktext => ('Student Submission Reports'),
+ linktitle => ('Prepare reports of student submissions.')},
+
+ {url => '/adm/statistics?reportSelected=survey_reports',
+ permission => 'F',
+ icon => 'docs.png',
+ linktext => ('Survey Reports'),
+ linktitle => ('Prepare reports on survey results.')},
+ ]});
}
- $Str .="</dl>\n";
- #
- return $Str;
+
+return &Apache::lonhtmlcommon::generate_menu(@reports);
+
}
-##############################################
-##############################################
sub handler {
my $r=shift;
my $c = $r->connection();
@@ -1152,6 +850,32 @@ sub handler {
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
if ($r->header_only) { return OK; }
+ my $gcicustom = &Apache::loncommon::needs_gci_custom();
+ if ($gcicustom) {
+ my $now = time;
+ my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+ my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+ my $courseopt=&Apache::lonnet::get_courseresdata($cnum,$cdom);
+ my $duedate = $courseopt->{$env{'request.course.id'}.'.0.duedate'};
+ if ((!$duedate) || ($duedate > $now)) {
+ my $brcrum = [{href=> '/adm/statistics',
+ text=> 'Statistics',}];
+ my $args = {bread_crumbs => $brcrum,
+ bread_crumbs_component => 'Statistics Main Page'};
+ $r->print(&Apache::loncommon::start_page('Course Statistics',undef,$args));
+ $r->print('<h3>'.&mt('Display of statistics').'</h3>');
+ if ($duedate > $now) {
+ $r->print('<p>'.&mt('Aggregate test performance data will be available after the Concept Test end date: [_1].',
+ &Apache::lonlocal::locallocaltime($duedate)).'</p>');
+ } else {
+ $r->print('<p>'.
+ &mt('Aggregate test performance data unavailable without definition of an end date for the Concept Test.').'</p>');
+ }
+ $r->print(&Apache::loncommon::end_page());
+ return OK;
+ }
+ }
+
#
# Extract form elements from query string
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
@@ -1196,7 +920,7 @@ ENDSTYLE
.'</p>');
$r->print('<p>'.
&mt('Course Statistics and Charts cannot be '.
- 'retrieved until the database is restarted. '.
+ 'retrieved until the database is restarted. '.
'Your data is intact but cannot be displayed '.
'at this time.').'</p>');
$r->print(&Apache::loncommon::end_page());
@@ -1237,9 +961,9 @@ ENDSTYLE
&Apache::lonsubmissiontimeanalysis::BuildSubmissionTimePage($r,$c);
} elsif($GoToPage eq 'student_submission_reports') {
&Apache::lonhtmlcommon::add_breadcrumb
- ({href=>
- '/adm/statistics?reportselected=student_submission_reports',
- text=>'Student Submission Reports'});
+ ({href=>
+ '/adm/statistics?reportselected=student_submission_reports',
+ text=>'Student Submission Reports'});
&Apache::lonstudentsubmissions::BuildStudentSubmissionsPage($r,$c);
} elsif($GoToPage eq 'survey_reports') {
&Apache::lonhtmlcommon::add_breadcrumb
@@ -1257,7 +981,11 @@ ENDSTYLE
&Apache::lonhtmlcommon::add_breadcrumb
({href=>'/adm/statistics?reportselected=student_assessment',
text=>'Chart'});
- &Apache::lonstudentassessment::BuildStudentAssessmentPage($r,$c);
+ if ($gcicustom) {
+ $r->print(&mt('Only aggregate performance data are available for Concept Tests.'));
+ } else {
+ &Apache::lonstudentassessment::BuildStudentAssessmentPage($r,$c);
+ }
} elsif($GoToPage eq 'grading_analysis') {
&Apache::lonhtmlcommon::add_breadcrumb
({href=>'/adm/statistics?reportselected=grading_anaylsis',
@@ -1275,17 +1003,227 @@ ENDSTYLE
1;
-#######################################################
-#######################################################
+__END__
=pod
+=head1 NAME
+
+lonstatistics
+
+=head1 SYNOPSIS
+
+Main handler for statistics and chart.
+
+This is part of the LearningOnline Network with CAPA project
+described at http://www.lon-capa.org.
+
+
+=head1 PACKAGE VARIABLES
+
+=over
+
+=item @FullClasslist The full classlist
+
+=item @Students The students we are concerned with for this invocation
+
+=item @Sections The sections available in this class
+
+=item @Groups The groups available in the class
+
+=item $curr_student The student currently being examined
+
+=item $prev_student The student previous in the classlist
+
+=item $next_student The student next in the classlist
+
=back
-=cut
+=head1 SUBROUTINES
-#######################################################
-#######################################################
+=over
-__END__
+=item &clear_classlist_variables()
+
+undef the following package variables:
+
+=over 4
+
+=item * @FullClasslist
+
+=item * @Students
+
+=item * @Sections
+
+=item * @Groups
+
+=item * %StudentData
+
+=item * @StudentDataOrder
+
+=item * @SelectedStudentData
+
+=item * $curr_student
+
+=item * $prev_student
+
+=item * $next_student
+
+=back
+
+=item &PrepareClasslist()
+
+Build up the classlist information. The classlist information is kept in
+the following package variables:
+
+=over 4
+
+=item * @FullClasslist
+
+=item * @Students
+
+=item * @Sections
+
+=item * @Groups
+
+=item * %StudentData
+
+=item * @SelectedStudentData
+
+=item * $curr_student
+
+=item * $prev_student
+
+=item * $next_student
+
+=back
+
+$curr_student, $prev_student, and $next_student may not be defined, depending
+upon the calling context.
+
+=item get_selected_sections()
+
+Returns an array of the selected sections
+
+=item get_selected_groups()
+
+Returns an array of the selected groups
+
+=item §ion_and_enrollment_description()
+
+Returns a string describing the currently selected section(s), group(s) and
+access status.
+
+Inputs: mode = 'plaintext' or 'localized' (defaults to 'localized')
+ 'plaintext' is used for example in Excel spreadsheets.
+Returns: scalar description string.
+
+=item section_or_group_text()
+
+=item get_students()
+
+Returns a list of the selected students
+
+=item ¤t_student()
+
+Returns a pointer to a hash containing data about the currently
+selected student.
+
+=item &previous_student()
+
+Returns a pointer to a hash containing data about the student prior
+in the list of students. Or something.
+
+=item &next_student()
+
+Returns a pointer to a hash containing data about the next student
+to be viewed.
+
+=item &StudentDataSelect($elementname,$status,$numvisible,$selected)
+
+Returns html for a selection box allowing the user to choose one (or more)
+of the fields of student data available (fullname, username, id, section, etc)
+
+=over 4
+
+=item * $elementname The name of the HTML form element
+
+=item * $status 'multiple' or 'single' selection box
+
+=item * $numvisible The number of options to be visible
+
+=back
+
+=item &get_selected_maps($elementname)
+
+Input: Name of the <select> form element used to specify the maps.
+
+Returns: Array of symbs of selected maps or the description 'all'.
+ If form.$elementname does not exist, 'all' is returned.
+
+=item &selected_sequences_with_assessments()
+
+Retrieve the sequences which were selected by the user to show.
+
+Input: $mode: scalar. Either 'selected' or 'all'. If not specified,
+ 'selected' is used.
+
+Returns: an array containing a navmap object and navmap resources,
+ or an array containing a scalar with an error message.
+
+=item &map_select($elementname,$status,$numvisible,$restriction)
+
+Returns html for a selection box allowing the user to choose one (or more)
+of the sequences in the course. The values of the sequences are the symbs.
+If the top sequence is selected, the value 'top' will result.
+
+=over 4
+
+=item * $elementname The name of the HTML form element
+
+=item * $status 'multiple' or 'single' selection box
+
+=item * $numvisible The number of options to be visible
+
+=back
+
+=item &SectionSelect($elementname,$status,$numvisible)
+
+Returns html for a selection box allowing the user to choose one (or more)
+of the sections in the course.
+
+Uses the package variables @Sections
+
+=over 4
+
+=item * $elementname The name of the HTML form element
+
+=item * $status 'multiple' or 'single' selection box
+
+=item * $numvisible The number of options to be visible
+
+=back
+
+=item &GroupSelect($elementname,$status,$numvisible)
+
+Returns html for a selection box allowing the user to choose one (or more)
+of the groups in the course.
+
+Uses the package variables @Groups
+
+=over 4
+
+=item * $elementname The name of the HTML form element
+
+=item * $status 'multiple' or 'single' selection box
+
+=item * $numvisible The number of options to be visible
+
+=back
+
+=item CreateMainMenu()
+
+=back
+
+=cut