# The LearningOnline Network with CAPA
# Handler to set domain-wide configuration settings
#
# $Id: domainprefs.pm,v 1.39 2008/01/04 10:17:13 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
# LON-CAPA is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# LON-CAPA is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with LON-CAPA; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA#
# /home/httpd/html/adm/gpl.txt
#
# http://www.lon-capa.org/
#
#
###############################################################
##############################################################

package Apache::domainprefs;

use strict;
use Apache::Constants qw(:common :http);
use Apache::lonnet;
use Apache::loncommon();
use Apache::lonhtmlcommon();
use Apache::lonlocal;
use LONCAPA();
use LONCAPA::Enrollment;
use File::Copy;

sub handler {
    my $r=shift;
    if ($r->header_only) {
        &Apache::loncommon::content_type($r,'text/html');
        $r->send_http_header;
        return OK;
    }

    my $dom = $env{'request.role.domain'};
    my $domdesc = &Apache::lonnet::domain($dom,'description');
    if (&Apache::lonnet::allowed('mau',$dom)) {
        &Apache::loncommon::content_type($r,'text/html');
        $r->send_http_header;
    } else {
        $env{'user.error.msg'}=
        "/adm/domainprefs:mau:0:0:Cannot modify domain settings";
        return HTTP_NOT_ACCEPTABLE;
    }
    &Apache::lonhtmlcommon::clear_breadcrumbs();
    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                                            ['phase']);
    my $phase = 'pickactions';
    if ( exists($env{'form.phase'}) ) {
        $phase = $env{'form.phase'};
    }
    my %domconfig =
      &Apache::lonnet::get_dom('configuration',['login','rolecolors',
                'quotas','autoenroll','autoupdate','directorysrch',
                'usercreation','usermodification','contacts'],$dom);
    my @prefs_order = ('rolecolors','login','quotas','autoenroll',
                       'autoupdate','directorysrch','contacts',
                       'usercreation','usermodification');
    my %prefs = (
        'rolecolors' =>
                   { text => 'Default color schemes',
                     help => 'Default_Color_Schemes',
                     header => [{col1 => 'Student Settings',
                                 col2 => '',},
                                {col1 => 'Coordinator Settings',
                                 col2 => '',},
                                {col1 => 'Author Settings',
                                 col2 => '',},
                                {col1 => 'Administrator Settings',
                                 col2 => '',}],
                    },
        'login' =>  
                    { text => 'Log-in page options',
                      help => 'Domain_Log-in_Page',
                      header => [{col1 => 'Item',
                                  col2 => '',}],
                    },
        'quotas' => 
                    { text => 'Default quotas for user portfolios',
                      help => 'Default_User_Quota',
                      header => [{col1 => 'User type',
                                  col2 => 'Default quota'}],
                    },
        'autoenroll' =>
                   { text => 'Auto-enrollment settings',
                     help => 'Domain_Auto_Enrollment',
                     header => [{col1 => 'Configuration setting',
                                 col2 => 'Value(s)'}],
                   },
        'autoupdate' => 
                   { text => 'Auto-update settings',
                     help => 'Domain_Auto_Update',
                     header => [{col1 => 'Setting',
                                 col2 => 'Value',},
                                {col1 => 'User Population',
                                 col2 => 'Updataeable user data'}],
                  },
        'directorysrch' => 
                  { text => 'Institutional directory searches',
                    help => 'Domain_Directory_Search',
                    header => [{col1 => 'Setting',
                                col2 => 'Value',}],
                  },
        'contacts' =>
                  { text => 'Contact Information',
                    help => 'Domain_Contact_Information',
                    header => [{col1 => 'Setting',
                                col2 => 'Value',}],
                  },

        'usercreation' => 
                  { text => 'User creation',
                    help => 'Domain_User_Creation',
                    header => [{col1 => 'Format Rule Type',
                                col2 => 'Format Rules in force'},
                               {col1 => 'User account creation',
                                col2 => 'Usernames which may be created',},
                               {col1 => 'Context',
                                col2 => 'Assignable Authentication Types'}],
                  },
        'usermodification' => 
                  { text => 'User modification',
                    help => 'Domain_User_Modification',
                    header => [{col1 => 'Target user has role',
                                col2 => 'User information updateable in author context'},
                               {col1 => 'Target user has role',
                                col2 => 'User information updateable in course context'}],
                  },
    );
    my @roles = ('student','coordinator','author','admin');
    my @actions = &Apache::loncommon::get_env_multiple('form.actions');
    &Apache::lonhtmlcommon::add_breadcrumb
    ({href=>"javascript:changePage(document.$phase,'pickactions')",
      text=>"Pick functionality"});
    my $confname = $dom.'-domainconfig';
    if ($phase eq 'process') {
        &Apache::lonhtmlcommon::add_breadcrumb
          ({href=>"javascript:changePage(document.$phase,'display')",
            text=>"Domain Configuration"},
           {href=>"javascript:changePage(document.$phase,'$phase')",
            text=>"Updated"});
        &print_header($r,$phase);
        foreach my $item (@prefs_order) {
            if (grep(/^\Q$item\E$/,@actions)) {
                $r->print('<h3>'.&mt($prefs{$item}{'text'}).'</h3>'.
                          &process_changes($r,$dom,$confname,$item,
                          \@roles,%domconfig));
            }
        }
        $r->print('<p>');
        &print_footer($r,$phase,'display','Back to configuration display',
                      \@actions);
        $r->print('</p>');
    } elsif ($phase eq 'display') {
        &Apache::lonhtmlcommon::add_breadcrumb
            ({href=>"javascript:changePage(document.$phase,'display')",
              text=>"Domain Configuration"});
        &print_header($r,$phase);
        if (@actions > 0) {
            my $rowsum = 0;
            my (%output,%rowtotal,@items);
            my $halfway = @actions/2;
            foreach my $item (@prefs_order) {
                if (grep(/^\Q$item\E$/,@actions)) {
                    push(@items,$item);
                    ($output{$item},$rowtotal{$item}) = 
                        &print_config_box($r,$dom,$confname,$phase,
                                          $item,$prefs{$item},
                                          $domconfig{$item});
                    $rowsum += $rowtotal{$item};
                }
            }
            my $colend;
            my $halfway = $rowsum/2;
            my $aggregate = 0;
            my $sumleft = 0;
            my $sumright = 0;
            my $crossover;
            for (my $i=0; $i<@items; $i++) {
                $aggregate += $rowtotal{$items[$i]};
                if ($aggregate > $halfway) {
                    $crossover = $i;
                    last;
                }
            }
            for (my $i=0; $i<$crossover; $i++) {
                $sumleft += $rowtotal{$items[$i]}; 
            }
            for (my $i=$crossover+1; $i<@items; $i++) {
                $sumright += $rowtotal{$items[$i]};
            }
            if ((@items > 1) && ($env{'form.numcols'} == 2)) {
                my $sumdiff = $sumright - $sumleft;
                if ($sumdiff > 0) {
                    $colend = $crossover + 1;
                } else {
                    $colend = $crossover;
                }
            } else {
                $colend = @items;
            }
            $r->print('<p><table class="LC_double_column"><tr><td class="LC_left_col">');
            for (my $i=0; $i<$colend; $i++) {
                $r->print($output{$items[$i]});
            }
            $r->print('</td><td></td><td class="LC_right_col">');
            if ($colend < @items) {
                for (my $i=$colend; $i<@items; $i++) { 
                    $r->print($output{$items[$i]});
                }
            }
            $r->print('</td></tr></table></p>');
            $r->print(&print_footer($r,$phase,'process','Save',\@actions));
        } else {
            $r->print('<input type="hidden" name="phase" value="" />'.
                      '<input type="hidden" name="numcols" value="'.
                      $env{'form.numcols'}.'" />'."\n".
                      '<span clas="LC_error">'.&mt('No settings chosen').
                      '</span>');
        }
        $r->print('</form>');
        $r->print(&Apache::loncommon::end_page());
    } else {
        if ($phase eq '') {
            $phase = 'pickactions';
        }
        my %helphash;
        &print_header($r,$phase);
        if (keys(%domconfig) == 0) {
            my $primarylibserv = &Apache::lonnet::domain($dom,'primary');
            my @ids=&Apache::lonnet::current_machine_ids();
            if (!grep(/^\Q$primarylibserv\E$/,@ids)) {
                my %designhash = &Apache::loncommon::get_domainconf($dom);
                my @loginimages = ('img','logo','domlogo');
                my $custom_img_count = 0;
                foreach my $img (@loginimages) {
                    if ($designhash{$dom.'.login.'.$img} ne '') {
                        $custom_img_count ++;
                    }
                }
                foreach my $role (@roles) {
                    if ($designhash{$dom.'.'.$role.'.img'} ne '') {
                        $custom_img_count ++;
                    }
                }
                if ($custom_img_count > 0) {
                    my $switch_server = &check_switchserver($dom,$confname);
                    $r->print(
    &mt('Domain configuration settings have yet to be saved for this domain via the web-based domain preferences interface.').'<br />'.
    &mt("While this remains so, you must switch to the domain's primary library server in order to update settings.").'<br /><br />'.
    &mt("Thereafter, (with a Domain Coordinator role selected in the domain) you will be able to update settings when logged in to any server in the LON-CAPA network.").'<br />'.
    &mt("However, you will still need to switch to the domain's primary library server to upload new images or logos.").'<br /><br />');
                    if ($switch_server) {
                        $r->print($switch_server.' '.&mt('to primary library server for domain: [_1]',$dom));
                    }
                    return OK;
                }
            }
        }
        $r->print('<h3>'.&mt('Functionality to display/modify').'</h3>');
        $r->print('<script type="text/javascript">'."\n".
              &Apache::loncommon::check_uncheck_jscript()."\n".
              '</script>'."\n".'<p><input type="button" value="check all" '.
              'onclick="javascript:checkAll(document.pickactions.actions)"'.
              ' />&nbsp;&nbsp;'.
              '<input type="button" value="uncheck all" '.
              'onclick="javascript:uncheckAll(document.pickactions.actions)"'.
              ' /></p><div class="LC_left_float">');
        my ($numitems,$midpoint,$seconddiv,$count); 
        $numitems = @prefs_order;
        $midpoint = int($numitems/2);
        if ($numitems%2) {
            $midpoint ++;
        }
        $count = 0;
        foreach my $item (@prefs_order) {
            $r->print('<h4><label><input type="checkbox" name="actions" value="'.$item.'" />&nbsp;'.$prefs{$item}->{'text'}.'</label></h4>');
            $count ++;
            if ((!$seconddiv) && ($count >= $midpoint)) {
                $r->print('</div>'."\n".'<div class="LC_left_float">'."\n");
                $seconddiv = 1;
            }
        }
        $r->print('</div><div class="LC_clear_float_footer"></div><h3>'.
                  &mt('Display options').'</h3>'."\n".
                  '<p><span class="LC_nobreak">'.&mt('Display using: ')."\n".
                  '<label><input type="radio" name="numcols" value="1">'.
                  &mt('one column').'</label>&nbsp;&nbsp;'.
                  '<input type="radio" name="numcols" value="2">'.
                  &mt('two columns').'</label></span></p>');
        $r->print(&print_footer($r,$phase,'display','Go'));
        $r->print('</form>');
        $r->print(&Apache::loncommon::end_page());
    }
    return OK;
}

sub process_changes {
    my ($r,$dom,$confname,$action,$roles,%domconfig) = @_;
    my $output;
    if ($action eq 'login') {
        $output = &modify_login($r,$dom,$confname,%domconfig);
    } elsif ($action eq 'rolecolors') {
        $output = &modify_rolecolors($r,$dom,$confname,$roles,
                                     %domconfig);
    } elsif ($action eq 'quotas') {
        $output = &modify_quotas($dom,%domconfig);
    } elsif ($action eq 'autoenroll') {
        $output = &modify_autoenroll($dom,%domconfig);
    } elsif ($action eq 'autoupdate') {
        $output = &modify_autoupdate($dom,%domconfig);
    } elsif ($action eq 'directorysrch') {
        $output = &modify_directorysrch($dom,%domconfig);
    } elsif ($action eq 'usercreation') {
        $output = &modify_usercreation($dom,%domconfig);
    } elsif ($action eq 'usermodification') {
        $output = &modify_usermodification($dom,%domconfig);
    } elsif ($action eq 'contacts') {
        $output = &modify_contacts($dom,%domconfig);
    }
    return $output;
}

sub print_config_box {
    my ($r,$dom,$confname,$phase,$action,$item,$settings) = @_;
    my $rowtotal = 0;
    my $output = 
         '<table class="LC_nested_outer">
          <tr>
           <th align="left"><span class="LC_nobreak">'.&mt($item->{text}).
           '&nbsp;</span></th></tr>';
# 
# FIXME - put the help link back in when the help files exist
#           <th>'.&mt($item->{text}).'&nbsp;'.
#           &Apache::loncommon::help_open_topic($item->{'help'}).'</th>
#          </tr>');
    $rowtotal ++;
    if (($action eq 'autoupdate') || ($action eq 'rolecolors') || 
        ($action eq 'usercreation') || ($action eq 'usermodification')) {
        my $colspan = ($action eq 'rolecolors')?' colspan="2"':'';
        $output .= '
          <tr>
           <td>
            <table class="LC_nested">
             <tr class="LC_info_row">
              <td class="LC_left_item"'.$colspan.'>'.$item->{'header'}->[0]->{'col1'}.'</td>
              <td class="LC_right_item">'.$item->{'header'}->[0]->{'col2'}.'</td>
             </tr>';
             $rowtotal ++;
        if ($action eq 'autoupdate') {
            $output .= &print_autoupdate('top',$dom,$settings,\$rowtotal);
        } elsif ($action eq 'usercreation') {
            $output .= &print_usercreation('top',$dom,$settings,\$rowtotal);
        } elsif ($action eq 'usermodification') {
            $output .= &print_usermodification('top',$dom,$settings,\$rowtotal);
        } else {
            $output .= &print_rolecolors($phase,'student',$dom,$confname,$settings,\$rowtotal);
        }
        $output .= '
           </table>
          </td>
         </tr>
         <tr>
           <td>
            <table class="LC_nested">
             <tr class="LC_info_row">
              <td class="LC_left_item"'.$colspan.'>'.$item->{'header'}->[1]->{'col1'}.'</td>
              <td class="LC_right_item">'.$item->{'header'}->[1]->{'col2'}.'</td>
             </tr>';
            $rowtotal ++;
        if ($action eq 'autoupdate') {
            $output .= &print_autoupdate('bottom',$dom,$settings,\$rowtotal);
        } elsif ($action eq 'usercreation') {
            $output .= &print_usercreation('middle',$dom,$settings,\$rowtotal).'
           </table>
          </td>
         </tr>
         <tr>
           <td>
            <table class="LC_nested">
             <tr class="LC_info_row">
              <td class="LC_left_item"'.$colspan.'>'.$item->{'header'}->[2]->{'col1'}.'</td>
              <td class="LC_right_item">'.$item->{'header'}->[2]->{'col2'}.'</td>             </tr>'.
            &print_usercreation('bottom',$dom,$settings,\$rowtotal);
            $rowtotal ++;
        } elsif ($action eq 'usermodification') {
            $output .= &print_usermodification('bottom',$dom,$settings,\$rowtotal);
        } else {
            $output .= &print_rolecolors($phase,'coordinator',$dom,$confname,$settings,\$rowtotal).'
           </table>
          </td>
         </tr>
         <tr>
           <td>
            <table class="LC_nested">
             <tr class="LC_info_row">
              <td class="LC_left_item"'.$colspan.'>'.$item->{'header'}->[2]->{'col1'}.'</td>
              <td class="LC_right_item">'.$item->{'header'}->[2]->{'col2'}.'</td>
             </tr>'.
            &print_rolecolors($phase,'author',$dom,$confname,$settings,\$rowtotal).'
           </table>
          </td>
         </tr>
         <tr>
           <td>
            <table class="LC_nested">
             <tr class="LC_info_row">
              <td class="LC_left_item"'.$colspan.'>'.$item->{'header'}->[3]->{'col1'}.'</td>
              <td class="LC_right_item">'.$item->{'header'}->[3]->{'col2'}.'</td>
             </tr>'.
            &print_rolecolors($phase,'admin',$dom,$confname,$settings,\$rowtotal);
            $rowtotal += 2;
        }
    } else {
        $output .= '
          <tr>
           <td>
            <table class="LC_nested">
             <tr class="LC_info_row">';
        if (($action eq 'login') || ($action eq 'directorysrch')) {
            $output .= '  
              <td class="LC_left_item" colspan="2">'.$item->{'header'}->[0]->{'col1'}.'</td>';
        } else {
            $output .= '
              <td class="LC_left_item">'.$item->{'header'}->[0]->{'col1'}.'</td>';
        }
        $output .= '
              <td class="LC_right_item">'.$item->{'header'}->[0]->{'col2'}.'</td>
             </tr>';
        $rowtotal ++;      
        if ($action eq 'login') {
            $output .= &print_login($dom,$confname,$phase,$settings,\$rowtotal);
        } elsif ($action eq 'quotas') {
            $output .= &print_quotas($dom,$settings,\$rowtotal);
        } elsif ($action eq 'autoenroll') {
            $output .= &print_autoenroll($dom,$settings,\$rowtotal);
        } elsif ($action eq 'directorysrch') {
            $output .= &print_directorysrch($dom,$settings,\$rowtotal);
        } elsif ($action eq 'contacts') {
            $output .= &print_contacts($dom,$settings,\$rowtotal);
        }
    }
    $output .= '
   </table>
  </td>
 </tr>
</table><br />';
    return ($output,$rowtotal);
}

sub print_header {
    my ($r,$phase) = @_;
    my $alert = &mt('You must select at least one functionality type to display.'); 
    my $js = '
<script type="text/javascript">
function changePage(formname,newphase) {
    formname.phase.value = newphase;
    numchecked = 0;
    if (formname == document.pickactions) {
        if (formname.actions.length > 0) {
            for (var i = 0; i <formname.actions.length; i++) {
                if (formname.actions[i].checked) {
                    numchecked ++;
                }
            }
        } else {
            if (formname.actions.checked) {
                numchecked ++;
            }
        }
        if (numchecked > 0) {
            formname.submit();
        } else {
            alert("'.$alert.'");
            return;
        }
    }
    formname.submit();
}'."\n";
    if ($phase eq 'pickactions') {
        $js .= 
            &Apache::lonhtmlcommon::set_form_elements({actions => 'checkbox',numcols => 'radio',})."\n".
            &javascript_set_colnums();
    } elsif ($phase eq 'display') {
        $js .= &color_pick_js()."\n";
    }
    $js .= &Apache::loncommon::viewport_size_js().'
</script>
';
    my $additem;
    if ($phase eq 'pickactions') {
        my %loaditems = (
                    'onload' => "javascript:getViewportDims(document.$phase.width,document.$phase.height);setDisplayColumns();setFormElements(document.pickactions);",
                        );
        $additem = {'add_entries' => \%loaditems,};
    } else {
        my %loaditems = (
                    'onload' => "javascript:getViewportDims(document.$phase.width,document.$phase.height);",
                        );
        $additem = {'add_entries' => \%loaditems,};
    }
    $r->print(&Apache::loncommon::start_page('View/Modify Domain Settings',
                                           $js,$additem));
    $r->print(&Apache::lonhtmlcommon::breadcrumbs('Domain Settings'));
    $r->print('
<form name="parmform" action="">
<input type="hidden" name="pres_marker" />
<input type="hidden" name="pres_type" />
<input type="hidden" name="pres_value" />
</form>
');
    $r->print('<form method="post" name="'.$phase.'" action="/adm/domainprefs"'.
              ' enctype="multipart/form-data">');
    return;
}

sub print_footer {
    my ($r,$phase,$newphase,$button_text,$actions) = @_;
    $button_text = &mt($button_text);
    $r->print('<input type="hidden" name="phase" value="" />'.
              '<input type="hidden" name="width" value="'.
              $env{'form.width'}.'" />'.
              '<input type="hidden" name="height" value="'.
              $env{'form.height'}.'" />');
    if (($phase eq 'display') || ($phase eq 'process')) {
        if (ref($actions) eq 'ARRAY') {
            foreach my $item (@{$actions}) {
                $r->print('<input type="hidden" name="actions" value="'.$item.'" />')."\n";
            }
        }
        $r->print('<input type="hidden" name="numcols" value="'.$env{'form.numcols'}.'" />');
    }
    my $dest='"javascript:changePage(document.'.$phase.','."'$newphase'".')"';
    if ($phase eq 'process') {
        $r->print('<p><a href='.$dest.'>'.$button_text.'</a></p>');
    } else {
        my $onclick;
        if ($phase eq 'display') {
            $onclick = '"javascript:changePage(document.'.$phase.','."'$newphase'".')"';
        } else {
            $onclick = '"javascript:changePage(document.'.$phase.','."'$newphase'".')"';
        } 
        $r->print('<p><input type="button" name="store" value="'.
                  $button_text.'" onclick='.$onclick.' /></p>');
    }
    if ($phase eq 'process') {
        $r->print('</form>'.&Apache::loncommon::end_page());
    }
    return;
}

sub print_login {
    my ($dom,$confname,$phase,$settings,$rowtotal) = @_;
    my %choices = &login_choices();
    my ($catalogon,$catalogoff,$adminmailon,$adminmailoff);
    $catalogon = ' checked="checked" ';
    $adminmailoff = ' checked="checked" ';
    my @images = ('img','logo','domlogo');
    my @bgs = ('pgbg','mainbg','sidebg');
    my @links = ('link','alink','vlink');
    my %designhash = &Apache::loncommon::get_domainconf($dom);
    my %defaultdesign = %Apache::loncommon::defaultdesign;
    my (%is_custom,%designs);
    my %defaults = (
                   font => $defaultdesign{'login.font'},
                   );
    foreach my $item (@images) {
        $defaults{$item} = $defaultdesign{'login.'.$item};
    }
    foreach my $item (@bgs) {
        $defaults{'bgs'}{$item} = $defaultdesign{'login.'.$item};
    }
    foreach my $item (@links) {
        $defaults{'links'}{$item} = $defaultdesign{'login.'.$item};
    }
    if (ref($settings) eq 'HASH') {
        if ($settings->{'coursecatalog'} eq '0') {
            $catalogoff = $catalogon;
            $catalogon = ' ';
        }
        if ($settings->{'adminmail'} eq '1') {
            $adminmailon = $adminmailoff;
            $adminmailoff = ' ';
        }
        foreach my $item (@images) {
            if ($settings->{$item} ne '') {
                $designs{$item} = $settings->{$item};
                $is_custom{$item} = 1;
            }
        }
        if ($settings->{'font'} ne '') {
            $designs{'font'} = $settings->{'font'};
            $is_custom{'font'} = 1;
        }
        foreach my $item (@bgs) {
            if ($settings->{$item} ne '') {
                $designs{'bgs'}{$item} = $settings->{$item};
                $is_custom{$item} = 1;
            }
        }
        foreach my $item (@links) {
            if ($settings->{$item} ne '') {
                $designs{'links'}{$item} = $settings->{$item};
                $is_custom{$item} = 1;
            }
        }
    } else {
        if ($designhash{$dom.'.login.font'} ne '') {
            $designs{'font'} = $designhash{$dom.'.login.font'};
            $is_custom{'font'} = 1;
        }
        foreach my $item (@images) {
            if ($designhash{$dom.'.login.'.$item} ne '') {
                $designs{$item} = $designhash{$dom.'.login.'.$item};
                $is_custom{$item} = 1;
            }
        }
        foreach my $item (@bgs) {
            if ($designhash{$dom.'.login.'.$item} ne '') {
                $designs{'bgs'}{$item} = $designhash{$dom.'.login.'.$item};
                $is_custom{$item} = 1;
            }
        }
        foreach my $item (@links) {
            if ($designhash{$dom.'.login.'.$item} ne '') {
                $designs{'links'}{$item} = $designhash{$dom.'.login.'.$item};
                $is_custom{$item} = 1;
            }
        }
    }
    my %alt_text = &Apache::lonlocal::texthash  ( img => 'Log-in banner',
                                                  logo => 'Institution Logo',
                                                  domlogo => 'Domain Logo');
    my $itemcount = 1;
    my $css_class = $itemcount%2?' class="LC_odd_row"':'';
    my $datatable = 
        '<tr'.$css_class.'><td colspan="2">'.$choices{'coursecatalog'}.
        '</td><td>'.
        '<span class="LC_nobreak"><label><input type="radio" name="coursecatalog"'.
        $catalogon.' value="1" />'.&mt('Yes').'</label>&nbsp;'.
        '<label><input type="radio" name="coursecatalog"'.
        $catalogoff.'value="0" />'.&mt('No').'</label></span></td>'.
        '</tr>';
    $itemcount ++;
    $css_class = $itemcount%2?' class="LC_odd_row"':'';
    $datatable .= '<tr'.$css_class.'>'.
        '<td colspan="2">'.$choices{'adminmail'}.'</td>'.
        '<td><span class="LC_nobreak">'.
        '<label><input type="radio" name="adminmail"'.
        $adminmailon.' value="1" />'.&mt('Yes').'</label>&nbsp;'.
        '<label><input type="radio" name="adminmail"'.
        $adminmailoff.'value="0" />'.&mt('No').'</label></span></td></tr>';
    $itemcount ++;
    $datatable .= &display_color_options($dom,$confname,$phase,'login',$itemcount,\%choices,\%is_custom,\%defaults,\%designs,\@images,\@bgs,\@links,\%alt_text,$rowtotal);
    $datatable .= '</tr></table></td></tr>';
    return $datatable;
}

sub login_choices {
    my %choices =
        &Apache::lonlocal::texthash (
            coursecatalog => 'Display Course Catalog link?',
            adminmail => "Display Administrator's E-mail Address?",
            img => "Header",
            logo => "Main Logo",
            domlogo => "Domain Logo",
            bgs => "Background colors",
            links => "Link colors",
            font => "Font color",
            pgbg => "Page",
            mainbg => "Main panel",
            sidebg => "Side panel",
            link => "Link",
            alink => "Active link",
            vlink => "Visited link",
        );
    return %choices;
}

sub print_rolecolors {
    my ($phase,$role,$dom,$confname,$settings,$rowtotal) = @_;
    my %choices = &color_font_choices();
    my @bgs = ('pgbg','tabbg','sidebg');
    my @links = ('link','alink','vlink');
    my @images = ('img');
    my %alt_text = &Apache::lonlocal::texthash(img => "Banner for $role role");
    my %designhash = &Apache::loncommon::get_domainconf($dom);
    my %defaultdesign = %Apache::loncommon::defaultdesign;
    my (%is_custom,%designs);
    my %defaults = (
                   img => $defaultdesign{$role.'.img'},
                   font => $defaultdesign{$role.'.font'},
                   );
    foreach my $item (@bgs) {
        $defaults{'bgs'}{$item} = $defaultdesign{$role.'.'.$item};
    }
    foreach my $item (@links) {
        $defaults{'links'}{$item} = $defaultdesign{$role.'.'.$item};
    }
    if (ref($settings) eq 'HASH') {
        if (ref($settings->{$role}) eq 'HASH') {
            if ($settings->{$role}->{'img'} ne '') {
                $designs{'img'} = $settings->{$role}->{'img'};
                $is_custom{'img'} = 1;
            }
            if ($settings->{$role}->{'font'} ne '') {
                $designs{'font'} = $settings->{$role}->{'font'};
                $is_custom{'font'} = 1;
            }
            foreach my $item (@bgs) {
                if ($settings->{$role}->{$item} ne '') {
                    $designs{'bgs'}{$item} = $settings->{$role}->{$item};
                    $is_custom{$item} = 1;
                }
            }
            foreach my $item (@links) {
                if ($settings->{$role}->{$item} ne '') {
                    $designs{'links'}{$item} = $settings->{$role}->{$item};
                    $is_custom{$item} = 1;
                }
            }
        }
    } else {
        if ($designhash{$dom.'.'.$role.'.img'} ne '') {
            $designs{img} = $designhash{$dom.'.'.$role.'.img'};
            $is_custom{'img'} = 1;
        }
        if ($designhash{$dom.'.'.$role.'.font'} ne '') {
            $designs{font} = $designhash{$dom.'.'.$role.'.font'};
            $is_custom{'font'} = 1;
        }
        foreach my $item (@bgs) {
            if ($designhash{$dom.'.'.$role.'.'.$item} ne '') {
                $designs{'bgs'}{$item} = $designhash{$dom.'.'.$role.'.'.$item};
                $is_custom{$item} = 1;
            
            }
        }
        foreach my $item (@links) {
            if ($designhash{$dom.'.'.$role.'.'.$item} ne '') {
                $designs{'links'}{$item} = $designhash{$dom.'.'.$role.'.'.$item};
                $is_custom{$item} = 1;
            }
        }
    }
    my $itemcount = 1;
    my $datatable = &display_color_options($dom,$confname,$phase,$role,$itemcount,\%choices,\%is_custom,\%defaults,\%designs,\@images,\@bgs,\@links,\%alt_text,$rowtotal);
    $datatable .= '</tr></table></td></tr>';
    return $datatable;
}

sub display_color_options {
    my ($dom,$confname,$phase,$role,$itemcount,$choices,$is_custom,$defaults,$designs,
        $images,$bgs,$links,$alt_text,$rowtotal) = @_;
    my $css_class = $itemcount%2?' class="LC_odd_row"':'';
    my $datatable = '<tr'.$css_class.'>'.
        '<td>'.$choices->{'font'}.'</td>';
    if (!$is_custom->{'font'}) {
        $datatable .=  '<td>'.&mt('Default in use:').'&nbsp;<span id="css_default_'.$role.'_font" style="color: '.$defaults->{'font'}.';">'.$defaults->{'font'}.'</span></td>';
    } else {
        $datatable .= '<td>&nbsp;</td>';
    }
    my $fontlink = &color_pick($phase,$role,'font',$choices->{'font'},$designs->{'font'});
    $datatable .= '<td><span class="LC_nobreak">'.
                  '<input type="text" size="10" name="'.$role.'_font"'.
                  ' value="'.$designs->{'font'}.'" />&nbsp;'.$fontlink.
                  '&nbsp;<span id="css_'.$role.'_font" style="background-color: '.
                  $designs->{'font'}.';">&nbsp;&nbsp;&nbsp;</span>'.
                  '</span></td></tr>';
    my $switchserver = &check_switchserver($dom,$confname);
    foreach my $img (@{$images}) {
	$itemcount ++;
        $css_class = $itemcount%2?' class="LC_odd_row"':'';
        $datatable .= '<tr'.$css_class.'>'.
                      '<td>'.$choices->{$img}.'</td>';
        my ($imgfile, $img_import);
        if ($designs->{$img} ne '') {
            $imgfile = $designs->{$img};
	    $img_import = ($imgfile =~ m{^/adm/});
        } else {
            $imgfile = $defaults->{$img};
        }
        if ($imgfile) {
            my ($showfile,$fullsize);
            if ($imgfile =~ m-^(/res/\Q$dom\E/\Q$confname\E/\Q$img\E)/([^/]+)$-) {
                my $urldir = $1;
                my $filename = $2;
                my @info = &Apache::lonnet::stat_file($designs->{$img});
                if (@info) {
                    my $thumbfile = 'tn-'.$filename;
                    my @thumb=&Apache::lonnet::stat_file($urldir.'/'.$thumbfile);
                    if (@thumb) {
                        $showfile = $urldir.'/'.$thumbfile;
                    } else {
                        $showfile = $imgfile;
                    }
                } else {
                    $showfile = '';
                }
            } elsif ($imgfile =~ m-^/(adm/[^/]+)/([^/]+)$-) {
                $showfile = $imgfile;
                my $imgdir = $1;
                my $filename = $2;
                if (-e "/home/httpd/html/$imgdir/tn-".$filename) {
                    $showfile = "/$imgdir/tn-".$filename;
                } else {
                    my $input = "/home/httpd/html".$imgfile;
                    my $output = '/home/httpd/html/'.$imgdir.'/tn-'.$filename;
                    if (!-e $output) {
                        my ($width,$height) = &thumb_dimensions();
                        my ($fullwidth,$fullheight) = &check_dimensions($input);
                        if ($fullwidth ne '' && $fullheight ne '') {
                            if ($fullwidth > $width && $fullheight > $height) { 
                                my $size = $width.'x'.$height;
                                system("convert -sample $size $input $output");
                                $showfile = '/'.$imgdir.'/tn-'.$filename;
                            }
                        }
                    }
                }
            }
            if ($showfile) {
                $showfile = &Apache::loncommon::lonhttpdurl($showfile);
                $fullsize =  &Apache::loncommon::lonhttpdurl($imgfile);
                $datatable.= '<td>';
                if (!$is_custom->{$img}) {
                    $datatable .= &mt('Default in use:').'<br />';
                }
		if ($img_import) {
		    $datatable.= '<input type="hidden" name="'.$role.'_import_'.$img.'" value="'.$imgfile.'" />';
		}
                $datatable.= '<a href="'.$fullsize.'" target="_blank"><img src="'.
                             $showfile.'" alt="'.$alt_text->{$img}.
                             '" border="0" /></a></td>';
                if ($is_custom->{$img}) {
                    $datatable.='<td><span class="LC_nobreak"><label><input type="checkbox" name="'.
                                $role.'_del_'.$img.'" value="1" />'.&mt('Delete?').
                                '</label>&nbsp;'.&mt('Replace:').'</span><br />';
                } else {
                    $datatable.='<td valign="bottom">'.&mt('Upload:').'<br />';
                }
            } else {
                $datatable .= '<td colspan="2" class="LC_right_item"><br />'.
                              &mt('Upload:');
            }
        } else {
            $datatable .= '<td colspan="2" class="LC_right_item"><br />'.
                          &mt('Upload:');
        }
        if ($switchserver) {
            $datatable .= &mt('Upload to library server: [_1]',$switchserver);
        } else {
            $datatable .='&nbsp;<input type="file" name="'.$role.'_'.$img.'" />';
        }
        $datatable .= '</td></tr>';
    }
    $itemcount ++;
    $css_class = $itemcount%2?' class="LC_odd_row"':'';
    $datatable .= '<tr'.$css_class.'>'.
                  '<td>'.$choices->{'bgs'}.'</td>';
    my $bgs_def;
    foreach my $item (@{$bgs}) {
        if (!$is_custom->{$item}) {
            $bgs_def .= '<td>'.$choices->{$item}.'&nbsp;<span id="css_default_'.$role.'_'.$item.'" style="background-color: '.$defaults->{'bgs'}{$item}.';">&nbsp;&nbsp;&nbsp;</span><br />'.$defaults->{'bgs'}{$item}.'</td>';
        }
    }
    if ($bgs_def) {
        $datatable .= '<td>'.&mt('Default(s) in use:').'<br /><table border="0"><tr>'.$bgs_def.'</tr></table></td>';
    } else {
        $datatable .= '<td>&nbsp;</td>';
    }
    $datatable .= '<td class="LC_right_item">'.
                  '<table border="0"><tr>';
    foreach my $item (@{$bgs}) {
        my $link = &color_pick($phase,$role,$item,$choices->{$item},$designs->{'bgs'}{$item});
        $datatable .= '<td align="center">'.$link;
        if ($designs->{'bgs'}{$item}) {
            $datatable .= '&nbsp;<span id="css_'.$role.'_'.$item.'" style="background-color: '.$designs->{'bgs'}{$item}.';">&nbsp;&nbsp;&nbsp;</span>';
        }
        $datatable .= '<br /><input type="text" size="8" name="'.$role.'_'.$item.'" value="'.$designs->{'bgs'}{$item}.
                      '" onblur = "javascript:document.display.css_'.$role.'_'.$item.'.style.background-color = document.display.'.$role.'_'.$item.'.value;"/></td>';
    }
    $datatable .= '</tr></table></td></tr>';
    $itemcount ++;
    $css_class = $itemcount%2?' class="LC_odd_row"':'';
    $datatable .= '<tr'.$css_class.'>'.
                  '<td>'.$choices->{'links'}.'</td>';
    my $links_def;
    foreach my $item (@{$links}) {
        if (!$is_custom->{$item}) {
            $links_def .= '<td>'.$choices->{$item}.'<br /><span id="css_default_'.$role.'_'.$item.'" style="color: '.$defaults->{'links'}{$item}.';">'.$defaults->{'links'}{$item}.'</span></td>';
        }
    }
    if ($links_def) {
        $datatable .= '<td>'.&mt('Default(s) in use:').'<br /><table border="0"><tr>'.$links_def.'</tr></table></td>';
    } else {
        $datatable .= '<td>&nbsp;</td>';
    }
    $datatable .= '<td class="LC_right_item">'.
                  '<table border="0"><tr>';
    foreach my $item (@{$links}) {
        $datatable .= '<td align="center">'."\n".
                      &color_pick($phase,$role,$item,$choices->{$item},
                                  $designs->{'links'}{$item});
        if ($designs->{'links'}{$item}) {
            $datatable.='&nbsp;<span id="css_'.$role.'_'.$item.'" style="background-color: '.$designs->{'links'}{$item}.';">&nbsp;&nbsp;&nbsp;</span>';
        }
        $datatable .= '<br /><input type="text" size="8" name="'.$role.'_'.$item.'" value="'.$designs->{'links'}{$item}.
                      '" /></td>';
    }
    $$rowtotal += $itemcount;
    return $datatable;
}

sub color_pick {
    my ($phase,$role,$item,$desc,$curcol) = @_;
    my $link = '<a href="javascript:pjump('."'color_custom','".$desc.
               "','".$curcol."','".$role.'_'.$item."','parmform.pres','psub'".
               ');">'.$desc.'</a>';
    return $link;
}

sub color_pick_js {
    my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
    my $output = <<"ENDCOL";
    function pclose() {
        parmwin=window.open("/adm/rat/empty.html","LONCAPAparms","height=350,width=350,scrollbars=no,menubar=no");
        parmwin.close();
    }

    $pjump_def

    function psub() {
        pclose();
        if (document.parmform.pres_marker.value!='') {
            if (document.parmform.pres_type.value!='') {
                eval('document.display.'+
                     document.parmform.pres_marker.value+
                     '.value=document.parmform.pres_value.value;');
            }
        } else {
            document.parmform.pres_value.value='';
            document.parmform.pres_marker.value='';
        }
    }
ENDCOL
    return $output;
}

sub print_quotas {
    my ($dom,$settings,$rowtotal) = @_;
    my $datatable;
    my ($othertitle,$usertypes,$types) = &sorted_inst_types($dom);
    my $typecount = 0;
    my $css_class;
    if (ref($types) eq 'ARRAY') {
        foreach my $type (@{$types}) {
            if (defined($usertypes->{$type})) {
                $typecount ++;
                $css_class = $typecount%2?' class="LC_odd_row"':'';
                $datatable .= '<tr'.$css_class.'>'. 
                              '<td>'.$usertypes->{$type}.'</td>'.
                              '<td class="LC_right_item"><span class="LC_nobreak">'.
                              '<input type="text" name="quota_'.$type.
                              '" value="'.$settings->{$type}.
                              '" size="5" /> Mb</span></td></tr>';
            }
        }
    }
    my $defaultquota = '20';
    if (ref($settings) eq 'HASH') {
        if (defined($settings->{'default'})) {
            $defaultquota = $settings->{'default'};
        }
    }
    $typecount ++;
    $css_class = $typecount%2?' class="LC_odd_row"':'';
    $datatable .= '<tr'.$css_class.'>'.
                  '<td>'.$othertitle.'</td>'.
                  '<td class="LC_right_item"><span class="LC_nobreak">'.
                  '<input type="text" name="defaultquota" value="'.
                  $defaultquota.'" size="5" /> Mb</span></td></tr>';
    $$rowtotal += $typecount;
    return $datatable;
}

sub print_autoenroll {
    my ($dom,$settings,$rowtotal) = @_;
    my $autorun = &Apache::lonnet::auto_run(undef,$dom),
    my ($defdom,$runon,$runoff);
    if (ref($settings) eq 'HASH') {
        if (exists($settings->{'run'})) {
            if ($settings->{'run'} eq '0') {
                $runoff = ' checked="checked" ';
                $runon = ' ';
            } else {
                $runon = ' checked="checked" ';
                $runoff = ' ';
            }
        } else {
            if ($autorun) {
                $runon = ' checked="checked" ';
                $runoff = ' ';
            } else {
                $runoff = ' checked="checked" ';
                $runon = ' ';
            }
        }
        if (exists($settings->{'sender_domain'})) {
            $defdom = $settings->{'sender_domain'};
        }
    } else {
        if ($autorun) {
            $runon = ' checked="checked" ';
            $runoff = ' ';
        } else {
            $runoff = ' checked="checked" ';
            $runon = ' ';
        }
    }
    my $domform = &Apache::loncommon::select_dom_form($defdom,'sender_domain',1);
    my $notif_sender;
    if (ref($settings) eq 'HASH') {
        $notif_sender = $settings->{'sender_uname'};
    }
    my $datatable='<tr class="LC_odd_row">'.
                  '<td>'.&mt('Auto-enrollment active?').'</td>'.
                  '<td class="LC_right_item"><span class="LC_nobreak"><label>'.
                  '<input type="radio" name="autoenroll_run"'.
                  $runon.' value="1" />'.&mt('Yes').'</label>&nbsp;'.
                  '<label><input type="radio" name="autoenroll_run"'.
                  $runoff.' value="0" />'.&mt('No').'</label></span></td>'.
                  '</tr><tr>'.
                  '<td>'.&mt('Notification messages - sender').
                  '</td><td class="LC_right_item"><span class="LC_nobreak">'.
                  &mt('username').':&nbsp;'.
                  '<input type="text" name="sender_uname" value="'.
                  $notif_sender.'" size="10" />&nbsp;&nbsp;'.&mt('domain').
                  ':&nbsp;'.$domform.'</span></td></tr>';
    $$rowtotal += 2;
    return $datatable;
}

sub print_autoupdate {
    my ($position,$dom,$settings,$rowtotal) = @_;
    my $datatable;
    if ($position eq 'top') {
        my $updateon = ' ';
        my $updateoff = ' checked="checked" ';
        my $classlistson = ' ';
        my $classlistsoff = ' checked="checked" ';
        if (ref($settings) eq 'HASH') {
            if ($settings->{'run'} eq '1') {
                $updateon = $updateoff;
                $updateoff = ' ';
            }
            if ($settings->{'classlists'} eq '1') {
                $classlistson = $classlistsoff;
                $classlistsoff = ' ';
            }
        }
        my %title = (
                   run => 'Auto-update active?',
                   classlists => 'Update information in classlists?',
                    );
        $datatable = '<tr class="LC_odd_row">'. 
                  '<td>'.&mt($title{'run'}).'</td>'.
                  '<td class="LC_right_item"><span class="LC_nobreak"><label>'.
                  '<input type="radio" name="autoupdate_run"'.
                  $updateon.' value="1" />'.&mt('Yes').'</label>&nbsp;'.
                  '<label><input type="radio" name="autoupdate_run"'.
                  $updateoff.'value="0" />'.&mt('No').'</label></span></td>'.
                  '</tr><tr>'.
                  '<td>'.&mt($title{'classlists'}).'</td>'.
                  '<td class="LC_right_item"><span class="LC_nobreak">'.
                  '<label><input type="radio" name="classlists"'.
                  $classlistson.' value="1" />'.&mt('Yes').'</label>&nbsp;'.
                  '<label><input type="radio" name="classlists"'.
                  $classlistsoff.'value="0" />'.&mt('No').'</label></span></td>'.
                  '</tr>';
        $$rowtotal += 2;
    } else {
        my ($othertitle,$usertypes,$types) = &sorted_inst_types($dom);
        my @fields = ('lastname','firstname','middlename','gen',
                      'permanentemail','id');
        my %fieldtitles = &Apache::loncommon::personal_data_fieldtitles();
        my $numrows = 0;
        if (ref($types) eq 'ARRAY') {
            if (@{$types} > 0) {
                $datatable = 
                    &usertype_update_row($settings,$usertypes,\%fieldtitles,
                                         \@fields,$types,\$numrows);
                    $$rowtotal += @{$types}; 
            }
        }
        $datatable .= 
            &usertype_update_row($settings,{'default' => $othertitle},
                                 \%fieldtitles,\@fields,['default'],
                                 \$numrows);
        $$rowtotal ++;     
    }
    return $datatable;
}

sub print_directorysrch {
    my ($dom,$settings,$rowtotal) = @_;
    my $srchon = ' ';
    my $srchoff = ' checked="checked" ';
    my ($exacton,$containson,$beginson);
    my $localon = ' ';
    my $localoff = ' checked="checked" ';
    if (ref($settings) eq 'HASH') {
        if ($settings->{'available'} eq '1') {
            $srchon = $srchoff;
            $srchoff = ' ';
        }
        if ($settings->{'localonly'} eq '1') {
            $localon = $localoff;
            $localoff = ' ';
        }
        if (ref($settings->{'searchtypes'}) eq 'ARRAY') {
            foreach my $type (@{$settings->{'searchtypes'}}) {
                if ($type eq 'exact') {
                    $exacton = ' checked="checked" ';
                } elsif ($type eq 'contains') {
                    $containson = ' checked="checked" ';
                } elsif ($type eq 'begins') {
                    $beginson = ' checked="checked" ';
                }
            }
        } else {
            if ($settings->{'searchtypes'} eq 'exact') {
                $exacton = ' checked="checked" ';
            } elsif ($settings->{'searchtypes'} eq 'contains') {
                $containson = ' checked="checked" ';
            } elsif ($settings->{'searchtypes'} eq 'specify') {
                $exacton = ' checked="checked" ';
                $containson = ' checked="checked" ';
            }
        }
    }
    my ($searchtitles,$titleorder) = &sorted_searchtitles();
    my ($othertitle,$usertypes,$types) = &sorted_inst_types($dom);

    my $numinrow = 4;
    my $cansrchrow = 0;
    my $datatable='<tr class="LC_odd_row">'.
                  '<td colspan="2"><span class ="LC_nobreak">'.&mt('Directory search available?').'</span></td>'.
                  '<td class="LC_right_item"><span class="LC_nobreak"><label>'.
                  '<input type="radio" name="dirsrch_available"'.
                  $srchon.' value="1" />'.&mt('Yes').'</label>&nbsp;'.
                  '<label><input type="radio" name="dirsrch_available"'.
                  $srchoff.' value="0" />'.&mt('No').'</label></span></td>'.
                  '</tr><tr>'.
                  '<td colspan="2"><span class ="LC_nobreak">'.&mt('Other domains can search?').'</span></td>'.
                  '<td class="LC_right_item"><span class="LC_nobreak"><label>'.
                  '<input type="radio" name="dirsrch_localonly"'.
                  $localoff.' value="0" />'.&mt('Yes').'</label>&nbsp;'.
                  '<label><input type="radio" name="dirsrch_localonly"'.
                  $localon.' value="1" />'.&mt('No').'</label></span></td>'.
                  '</tr>';
    $$rowtotal += 2;
    if (ref($usertypes) eq 'HASH') {
        if (keys(%{$usertypes}) > 0) {
            $datatable .= &users_cansearch_row($settings,$types,$usertypes,$dom,
                                               $numinrow,$othertitle);
            $cansrchrow = 1;
        }
    }
    if ($cansrchrow) {
        $$rowtotal ++;
        $datatable .= '<tr>';
    } else {
        $datatable .= '<tr class="LC_odd_row">';
    }
    $datatable .= '<td><span class ="LC_nobreak">'.&mt('Supported search methods').
                  '</span></td><td class="LC_left_item" colspan="2"><table><tr>';
    foreach my $title (@{$titleorder}) {
        if (defined($searchtitles->{$title})) {
            my $check = ' ';
            if (ref($settings) eq 'HASH') { 
                if (ref($settings->{'searchby'}) eq 'ARRAY') {
                    if (grep(/^\Q$title\E$/,@{$settings->{'searchby'}})) {
                        $check = ' checked="checked" ';
                    }
                }
            }
            $datatable .= '<td class="LC_left_item">'.
                          '<span class="LC_nobreak"><label>'.
                          '<input type="checkbox" name="searchby" '.
                          'value="'.$title.'"'.$check.'/>'.
                          $searchtitles->{$title}.'</label></span></td>';
        }
    }
    $datatable .= '</tr></table></td></tr>';
    $$rowtotal ++;
    if ($cansrchrow) {
        $datatable .= '<tr class="LC_odd_row">';
    } else {
        $datatable .= '<tr>';
    }
    $datatable .= '<td><span class ="LC_nobreak">'.&mt('Search latitude').'</span></td>'.   
                  '<td class="LC_left_item" colspan="2">'.
                  '<span class="LC_nobreak"><label>'.
                  '<input type="checkbox" name="searchtypes" '.
                  $exacton.' value="exact" />'.&mt('Exact match').
                  '</label>&nbsp;'.
                  '<label><input type="checkbox" name="searchtypes" '.
                  $beginson.' value="begins" />'.&mt('Begins with').
                  '</label>&nbsp;'.
                  '<label><input type="checkbox" name="searchtypes" '.
                  $containson.' value="contains" />'.&mt('Contains').
                  '</label></span></td></tr>';
    $$rowtotal ++;
    return $datatable;
}

sub print_contacts {
    my ($dom,$settings,$rowtotal) = @_;
    my $datatable;
    my @contacts = ('adminemail','supportemail');
    my (%checked,%to,%otheremails);
    my @mailings = ('errormail','packagesmail','helpdeskmail');
    foreach my $type (@mailings) {
        $otheremails{$type} = '';
    }
    if (ref($settings) eq 'HASH') {
        foreach my $item (@contacts) {
            if (exists($settings->{$item})) {
                $to{$item} = $settings->{$item};
            }
        }
        foreach my $type (@mailings) {
            if (exists($settings->{$type})) {
                if (ref($settings->{$type}) eq 'HASH') {
                    foreach my $item (@contacts) {
                        if ($settings->{$type}{$item}) {
                            $checked{$type}{$item} = ' checked="checked" ';
                        }
                    }
                    $otheremails{$type} = $settings->{$type}{'others'};
                }
            }
        }
    } else {
        $to{'supportemail'} = $Apache::lonnet::perlvar{'lonSupportEMail'};
        $to{'adminemail'} = $Apache::lonnet::perlvar{'lonAdmEMail'};
        $checked{'errormail'}{'adminemail'} = ' checked="checked" ';
        $checked{'packagesmail'}{'adminemail'} = ' checked="checked" ';
        $checked{'helpdeskmail'}{'supportemail'} = ' checked="checked" '; 
    }
    my ($titles,$short_titles) = &contact_titles();
    my $rownum = 0;
    my $css_class;
    foreach my $item (@contacts) {
        if ($rownum%2) {
            $css_class = '';
        } else {
            $css_class = ' class="LC_odd_row" ';
        }
        $datatable .= '<tr'.$css_class.'>'. 
                  '<td><span class="LC_nobreak">'.$titles->{$item}.
                  '</span></td><td class="LC_right_item">'.
                  '<input type="text" name="'.$item.'" value="'.
                  $to{$item}.'" /></td></tr>';
        $rownum ++;
    }
    foreach my $type (@mailings) {
        if ($rownum%2) {
            $css_class = '';
        } else {
            $css_class = ' class="LC_odd_row" ';
        }
        $datatable .= '<tr'.$css_class.'>'.
                      '<td><span class="LC_nobreak">'.
                      $titles->{$type}.': </span></td>'.
                      '<td class="LC_left_item">'.
                      '<span class="LC_nobreak">';
        foreach my $item (@contacts) {
            $datatable .= '<label>'.
                          '<input type="checkbox" name="'.$type.'"'.
                          $checked{$type}{$item}.
                          ' value="'.$item.'" />'.$short_titles->{$item}.
                          '</label>&nbsp;';
        }
        $datatable .= '</span><br />'.&mt('Others').':&nbsp;&nbsp;'.
                      '<input type="text" name="'.$type.'_others" '.
                      'value="'.$otheremails{$type}.'"  />'.
                      '</td></tr>'."\n";
        $rownum ++;
    }
    $$rowtotal += $rownum;
    return $datatable;
}

sub contact_titles {
    my %titles = &Apache::lonlocal::texthash (
                   'supportemail' => 'Support E-mail address',
                   'adminemail'    => 'Default Server Admin E-mail address',
                   'errormail'    => 'Error reports to be e-mailed to',
                   'packagesmail' => 'Package update alerts to be e-mailed to',
                   'helpdeskmail' => 'Helpdesk requests to be e-mailed to'
                 );
    my %short_titles = &Apache::lonlocal::texthash (
                           adminemail   => 'Admin E-mail address',
                           supportemail => 'Support E-mail',
                       );   
    return (\%titles,\%short_titles);
}

sub print_usercreation {
    my ($position,$dom,$settings,$rowtotal) = @_;
    my $numinrow = 4;
    my $datatable;
    if ($position eq 'top') {
        $$rowtotal ++;
        my $rowcount = 0;
        my ($rules,$ruleorder) = &Apache::lonnet::inst_userrules($dom,'username');
        if (ref($rules) eq 'HASH') {
            if (keys(%{$rules}) > 0) {
                $datatable .= &user_formats_row('username',$settings,$rules,
                                                $ruleorder,$numinrow,$rowcount);
                $$rowtotal ++;
                $rowcount ++;
            }
        }
        my ($idrules,$idruleorder) = &Apache::lonnet::inst_userrules($dom,'id');
        if (ref($idrules) eq 'HASH') {
            if (keys(%{$idrules}) > 0) {
                $datatable .= &user_formats_row('id',$settings,$idrules,
                                                $idruleorder,$numinrow,$rowcount);
                $$rowtotal ++;
                $rowcount ++;
            }
        }
        if ($rowcount == 0) {
            $datatable .= '<tr><td colspan="2">'.&mt('No format rules have been defined for usernames or IDs in this domain.').'</td></tr>';  
            $$rowtotal ++;
            $rowcount ++;
        }
    } elsif ($position eq 'middle') {
        my @creators = ('author','course');
        my ($rules,$ruleorder) =
            &Apache::lonnet::inst_userrules($dom,'username');
        my %lt = &usercreation_types();
        my %checked;
        if (ref($settings) eq 'HASH') {
            if (ref($settings->{'cancreate'}) eq 'HASH') {
                foreach my $item (@creators) {
                    $checked{$item} = $settings->{'cancreate'}{$item};
                }
            } elsif (ref($settings->{'cancreate'}) eq 'ARRAY') {
                foreach my $item (@creators) {
                    if (grep(/^\Q$item\E$/,@{$settings->{'cancreate'}})) {
                        $checked{$item} = 'none';
                    }
                }
            }
        }
        my $rownum = 0;
        foreach my $item (@creators) {
            $rownum ++;
            if ($checked{$item} eq '') {
                $checked{$item} = 'any';
            }
            my $css_class;
            if ($rownum%2) {
                $css_class = '';
            } else {
                $css_class = ' class="LC_odd_row" ';
            }
            $datatable .= '<tr'.$css_class.'>'.
                         '<td><span class="LC_nobreak">'.$lt{$item}.
                         '</span></td><td align="right">';
            my @options = ('any');
            if (ref($rules) eq 'HASH') {
                if (keys(%{$rules}) > 0) {
                    push(@options,('official','unofficial'));
                }
            }
            push(@options,'none');
            foreach my $option (@options) {
                my $check = ' ';
                if ($checked{$item} eq $option) {
                    $check = ' checked="checked" ';
                } 
                $datatable .= '<span class="LC_nobreak"><label>'.
                              '<input type="radio" name="can_createuser_'.
                              $item.'" value="'.$option.'"'.$check.'/>&nbsp;'.
                              $lt{$option}.'</label>&nbsp;&nbsp;</span>';
            }
            $datatable .= '</td></tr>';
        }
    } else {
        my @contexts = ('author','course','domain');
        my @authtypes = ('int','krb4','krb5','loc');
        my %checked;
        if (ref($settings) eq 'HASH') {
            if (ref($settings->{'authtypes'}) eq 'HASH') {
                foreach my $item (@contexts) {
                    if (ref($settings->{'authtypes'}{$item}) eq 'HASH') {
                        foreach my $auth (@authtypes) {
                            if ($settings->{'authtypes'}{$item}{$auth}) {
                                $checked{$item}{$auth} = ' checked="checked" ';
                            }
                        }
                    }
                }
            }
        } else {
            foreach my $item (@contexts) {
                foreach my $auth (@authtypes) {
                    $checked{$item}{$auth} = ' checked="checked" ';
                }
            }
        }
        my %title = &context_names();
        my %authname = &authtype_names();
        my $rownum = 0;
        my $css_class; 
        foreach my $item (@contexts) {
            if ($rownum%2) {
                $css_class = '';
            } else {
                $css_class = ' class="LC_odd_row" ';
            }
            $datatable .=   '<tr'.$css_class.'>'.
                            '<td>'.$title{$item}.
                            '</td><td class="LC_left_item">'.
                            '<span class="LC_nobreak">';
            foreach my $auth (@authtypes) {
                $datatable .= '<label>'. 
                              '<input type="checkbox" name="'.$item.'_auth" '.
                              $checked{$item}{$auth}.' value="'.$auth.'" />'.
                              $authname{$auth}.'</label>&nbsp;';
            }
            $datatable .= '</span></td></tr>';
            $rownum ++;
        }
        $$rowtotal += $rownum;
    }
    return $datatable;
}

sub user_formats_row {
    my ($type,$settings,$rules,$ruleorder,$numinrow,$rowcount) = @_;
    my $output;
    my %text = (
                   'username' => 'new usernames',
                   'id'       => 'IDs',
               );
    my $css_class = $rowcount%2?' class="LC_odd_row"':'';
    $output = '<tr '.$css_class.'>'.
              '<td><span class="LC_nobreak">'.
              &mt("Format rules to check for $text{$type}: ").
              '</span></td>'.
              '<td class="LC_left_item" colspan="2"><table>';
    my $rem;
    if (ref($ruleorder) eq 'ARRAY') {
        for (my $i=0; $i<@{$ruleorder}; $i++) {
            if (ref($rules->{$ruleorder->[$i]}) eq 'HASH') {
                my $rem = $i%($numinrow);
                if ($rem == 0) {
                    if ($i > 0) {
                        $output .= '</tr>';
                    }
                    $output .= '<tr>';
                }
                my $check = ' ';
                if (ref($settings) eq 'HASH') {
                    if (ref($settings->{$type.'_rule'}) eq 'ARRAY') {
                        if (grep(/^\Q$ruleorder->[$i]\E$/,@{$settings->{$type.'_rule'}})) {
                            $check = ' checked="checked" ';
                        }
                    }
                }
                $output .= '<td class="LC_left_item">'.
                           '<span class="LC_nobreak"><label>'.
                           '<input type="checkbox" name="'.$type.'_rule" '.
                           'value="'.$ruleorder->[$i].'"'.$check.'/>'.
                           $rules->{$ruleorder->[$i]}{'name'}.'</label></span></td>';
            }
        }
        $rem = @{$ruleorder}%($numinrow);
    }
    my $colsleft = $numinrow - $rem;
    if ($colsleft > 1 ) {
        $output .= '<td colspan="'.$colsleft.'" class="LC_left_item">'.
                   '&nbsp;</td>';
    } elsif ($colsleft == 1) {
        $output .= '<td class="LC_left_item">&nbsp;</td>';
    }
    $output .= '</tr></table></td></tr>';
    return $output;
}

sub usercreation_types {
    my %lt = &Apache::lonlocal::texthash (
                    author     => 'When adding a co-author',
                    course     => 'When adding a user to a course',
                    any        => 'Any',
                    official   => 'Institutional only ',
                    unofficial => 'Non-institutional only',
                    none       => 'None',
    );
    return %lt;
} 

sub authtype_names {
    my %lt = &Apache::lonlocal::texthash(
                      int    => 'Internal',
                      krb4   => 'Kerberos 4',
                      krb5   => 'Kerberos 5',
                      loc    => 'Local',
                  );
    return %lt;
}

sub context_names {
    my %context_title = &Apache::lonlocal::texthash(
       author => 'Creating users when an Author',
       course => 'Creating users when in a course',
       domain => 'Creating users when a Domain Coordinator',
    );
    return %context_title;
}

sub print_usermodification {
    my ($position,$dom,$settings,$rowtotal) = @_;
    my $numinrow = 4;
    my ($context,$datatable,$rowcount);
    if ($position eq 'top') {
        $rowcount = 0;
        $context = 'author'; 
        foreach my $role ('ca','aa') {
            $datatable .= &modifiable_userdata_row($context,$role,$settings,
                                                   $numinrow,$rowcount);
            $$rowtotal ++;
            $rowcount ++;
        }
    } else {
        $context = 'course';
        $rowcount = 0;
        foreach my $role ('st','ep','ta','in','cr') {
            $datatable .= &modifiable_userdata_row($context,$role,$settings,
                                                   $numinrow,$rowcount);
            $$rowtotal ++;
            $rowcount ++;
        }
    }
    return $datatable;
}

sub modifiable_userdata_row {
    my ($context,$role,$settings,$numinrow,$rowcount) = @_;
    my $rolename;
    if ($role eq 'cr') {
        $rolename = &mt('Custom role');
    } else {
        $rolename = &Apache::lonnet::plaintext($role);
    }
    my @fields = ('lastname','firstname','middlename','generation',
                  'permanentemail','id');
    my %fieldtitles = &Apache::loncommon::personal_data_fieldtitles();
    my $output;
    my $css_class = $rowcount%2?' class="LC_odd_row"':'';
    $output = '<tr '.$css_class.'>'.
              '<td><span class="LC_nobreak">'.$rolename.'</span></td>'.
              '<td class="LC_left_item" colspan="2"><table>';
    my $rem;
    my %checks;
    if (ref($settings) eq 'HASH') {
        if (ref($settings->{$context}) eq 'HASH') {
            if (ref($settings->{$context}->{$role}) eq 'HASH') {
                foreach my $field (@fields) {
                    if ($settings->{$context}->{$role}->{$field}) {
                        $checks{$field} = ' checked="checked" ';
                    }
                }
            }
        }
    }
    for (my $i=0; $i<@fields; $i++) {
        my $rem = $i%($numinrow);
        if ($rem == 0) {
            if ($i > 0) {
                $output .= '</tr>';
            }
            $output .= '<tr>';
        }
        my $check = ' ';
        if (exists($checks{$fields[$i]})) {
            $check = $checks{$fields[$i]}
        } else {
            if ($role eq 'st') {
                if (ref($settings) ne 'HASH') {
                    $check = ' checked="checked" '; 
                }
            }
        }
        $output .= '<td class="LC_left_item">'.
                   '<span class="LC_nobreak"><label>'.
                   '<input type="checkbox" name="canmodify_'.$role.'" '.
                   'value="'.$fields[$i].'"'.$check.'/>'.$fieldtitles{$fields[$i]}.
                   '</label></span></td>';
        $rem = @fields%($numinrow);
    }
    my $colsleft = $numinrow - $rem;
    if ($colsleft > 1 ) {
        $output .= '<td colspan="'.$colsleft.'" class="LC_left_item">'.
                   '&nbsp;</td>';
    } elsif ($colsleft == 1) {
        $output .= '<td class="LC_left_item">&nbsp;</td>';
    }
    $output .= '</tr></table></td></tr>';
    return $output;
}

sub users_cansearch_row {
    my ($settings,$types,$usertypes,$dom,$numinrow,$othertitle) = @_;
    my $output =  '<tr class="LC_odd_row">'.
                  '<td>'.&mt('Users allowed to search').' ('.$dom.')'.
                  '</td><td class="LC_left_item" colspan="2"><table>';
    my $rem;
    if (ref($types) eq 'ARRAY') {
        for (my $i=0; $i<@{$types}; $i++) {
            if (defined($usertypes->{$types->[$i]})) {
                my $rem = $i%($numinrow);
                if ($rem == 0) {
                    if ($i > 0) {
                        $output .= '</tr>';
                    }
                    $output .= '<tr>';
                }
                my $check = ' ';
                if (ref($settings->{'cansearch'}) eq 'ARRAY') {
                    if (grep(/^\Q$types->[$i]\E$/,@{$settings->{'cansearch'}})) {
                        $check = ' checked="checked" ';
                    }
                }
                $output .= '<td class="LC_left_item">'.
                           '<span class="LC_nobreak"><label>'.
                           '<input type="checkbox" name="cansearch" '.
                           'value="'.$types->[$i].'"'.$check.'/>'.
                           $usertypes->{$types->[$i]}.'</label></span></td>';
            }
        }
       
        $rem = @{$types}%($numinrow);
    }
    my $colsleft = $numinrow - $rem;
    if ($colsleft > 1) {
        $output .= '<td colspan="'.$colsleft.'" class="LC_left_item">';
    } else {
        $output .= '<td class="LC_left_item">';
    }
    my $defcheck = ' ';
    if (ref($settings->{'cansearch'}) eq 'ARRAY') {
        if (grep(/^default$/,@{$settings->{'cansearch'}})) {
            $defcheck = ' checked="checked" ';
        }
    }
    $output .= '<span class="LC_nobreak"><label>'.
               '<input type="checkbox" name="cansearch" '.
               'value="default"'.$defcheck.'/>'.
               $othertitle.'</label></span></td>'.
               '</tr></table></td></tr>';
    return $output;
}

sub sorted_inst_types {
    my ($dom) = @_;
    my ($usertypes,$order) = &Apache::lonnet::retrieve_inst_usertypes($dom);
    my $othertitle = &mt('All users');
    my @types;
    if (ref($order) eq 'ARRAY') {
        @types = @{$order};
    }
    if (@types == 0) {
        if (ref($usertypes) eq 'HASH') {
            @types = sort(keys(%{$usertypes}));
        }
    }
    if (keys(%{$usertypes}) > 0) {
        $othertitle = &mt('Other users');
    }
    return ($othertitle,$usertypes,\@types);
}

sub sorted_searchtitles {
    my %searchtitles = &Apache::lonlocal::texthash(
                         'uname' => 'username',
                         'lastname' => 'last name',
                         'lastfirst' => 'last name, first name',
                     );
    my @titleorder = ('uname','lastname','lastfirst');
    return (\%searchtitles,\@titleorder);
}

sub sorted_searchtypes {
    my %srchtypes_desc = (
                           exact    => 'is exact match',
                           contains => 'contains ..',
                           begins   => 'begins with ..',
                         );
    my @srchtypeorder = ('exact','begins','contains');
    return (\%srchtypes_desc,\@srchtypeorder);
}

sub usertype_update_row {
    my ($settings,$usertypes,$fieldtitles,$fields,$types,$rownums) = @_;
    my $datatable;
    my $numinrow = 4;
    foreach my $type (@{$types}) {
        if (defined($usertypes->{$type})) {
            $$rownums ++;
            my $css_class = $$rownums%2?' class="LC_odd_row"':'';
            $datatable .= '<tr'.$css_class.'><td>'.$usertypes->{$type}.
                          '</td><td class="LC_left_item"><table>';
            for (my $i=0; $i<@{$fields}; $i++) {
                my $rem = $i%($numinrow);
                if ($rem == 0) {
                    if ($i > 0) {
                        $datatable .= '</tr>';
                    }
                    $datatable .= '<tr>';
                }
                my $check = ' ';
                if (ref($settings) eq 'HASH') {
                    if (ref($settings->{'fields'}) eq 'HASH') {
                        if (ref($settings->{'fields'}{$type}) eq 'ARRAY') {
                            if (grep(/^\Q$fields->[$i]\E$/,@{$settings->{'fields'}{$type}})) {
                                $check = ' checked="checked" ';
                            }
                        }
                    }
                }

                if ($i == @{$fields}-1) {
                    my $colsleft = $numinrow - $rem;
                    if ($colsleft > 1) {
                        $datatable .= '<td colspan="'.$colsleft.'">';
                    } else {
                        $datatable .= '<td>';
                    }
                } else {
                    $datatable .= '<td>';
                }
                $datatable .= '<span class="LC_nobreak"><label>'.
                              '<input type="checkbox" name="updateable_'.$type.
                              '_'.$fields->[$i].'" value="1"'.$check.'/>'.
                              $fieldtitles->{$fields->[$i]}.'</label></span></td>';
            }
            $datatable .= '</tr></table></td></tr>';
        }
    }
    return $datatable;
}

sub modify_login {
    my ($r,$dom,$confname,%domconfig) = @_;
    my ($resulttext,$errors,$colchgtext,%changes,%colchanges);
    my %title = ( coursecatalog => 'Display course catalog',
                  adminmail => 'Display administrator E-mail address');
    my @offon = ('off','on');
    my %loginhash;
    ($errors,%colchanges) = &modify_colors($r,$dom,$confname,['login'],
                                           \%domconfig,\%loginhash);
    $loginhash{login}{coursecatalog} = $env{'form.coursecatalog'};
    $loginhash{login}{adminmail} = $env{'form.adminmail'};
    if (ref($colchanges{'login'}) eq 'HASH') {  
        $colchgtext = &display_colorchgs($dom,\%colchanges,['login'],
                                         \%loginhash);
    }
    my $putresult = &Apache::lonnet::put_dom('configuration',\%loginhash,
                                             $dom);
    if ($putresult eq 'ok') {
        if (($domconfig{'login'}{'coursecatalog'} eq '0') &&
            ($env{'form.coursecatalog'} eq '1')) {
            $changes{'coursecatalog'} = 1;
        } elsif (($domconfig{'login'}{'coursecatalog'} eq '' ||
                 $domconfig{'login'}{'coursecatalog'} eq '1') &&
                 ($env{'form.coursecatalog'} eq '0')) {
            $changes{'coursecatalog'} = 1;
        }
        if (($domconfig{'login'}{'adminmail'} eq '1') &&
                ($env{'form.adminmail'} eq '0')) {
            $changes{'adminmail'} = 1;
        } elsif (($domconfig{'login'}{'adminmail'} eq '' ||
                 $domconfig{'login'}{'adminmail'} eq '0') &&
                 ($env{'form.adminmail'} eq '1')) {
            $changes{'adminmail'} = 1;
        }
        if (keys(%changes) > 0 || $colchgtext) {
            $resulttext = &mt('Changes made:').'<ul>';
            foreach my $item (sort(keys(%changes))) {
                $resulttext .= '<li>'.&mt("$title{$item} set to $offon[$env{'form.'.$item}]").'</li>';
            }
            $resulttext .= $colchgtext.'</ul>';
        } else {
            $resulttext = &mt('No changes made to log-in page settings');
        }
    } else {
        $resulttext = '<span class="LC_error">'.
	    &mt('An error occurred: [_1]',$putresult).'</span>';
    }
    if ($errors) {
        $resulttext .= '<br />'.&mt('The following errors occurred: ').'<ul>'.
                       $errors.'</ul>';
    }
    return $resulttext;
}

sub color_font_choices {
    my %choices =
        &Apache::lonlocal::texthash (
            img => "Header",
            bgs => "Background colors",
            links => "Link colors",
            font => "Font color",
            pgbg => "Page",
            tabbg => "Header",
            sidebg => "Border",
            link => "Link",
            alink => "Active link",
            vlink => "Visited link",
        );
    return %choices;
}

sub modify_rolecolors {
    my ($r,$dom,$confname,$roles,%domconfig) = @_;
    my ($resulttext,%rolehash);
    $rolehash{'rolecolors'} = {};
    my ($errors,%changes) = &modify_colors($r,$dom,$confname,$roles,
                         $domconfig{'rolecolors'},$rolehash{'rolecolors'});
    my $putresult = &Apache::lonnet::put_dom('configuration',\%rolehash,
                                             $dom);
    if ($putresult eq 'ok') {
        if (keys(%changes) > 0) {
            $resulttext = &display_colorchgs($dom,\%changes,$roles,
                                             $rolehash{'rolecolors'});
        } else {
            $resulttext = &mt('No changes made to default color schemes');
        }
    } else {
        $resulttext = '<span class="LC_error">'.
	    &mt('An error occurred: [_1]',$putresult).'</span>';
    }
    if ($errors) {
        $resulttext .= &mt('The following errors occurred: ').'<ul>'.
                       $errors.'</ul>';
    }
    return $resulttext;
}

sub modify_colors {
    my ($r,$dom,$confname,$roles,$domconfig,$confhash) = @_;
    my (%changes,%choices);
    my @bgs = ('pgbg','mainbg','sidebg');
    my @links = ('link','alink','vlink');
    my @images;
    my $servadm = $r->dir_config('lonAdmEMail');
    my $errors;
    foreach my $role (@{$roles}) {
        if ($role eq 'login') {
            %choices = &login_choices();
        } else {
            %choices = &color_font_choices();
        }
        if ($role eq 'login') {
            @images = ('img','logo','domlogo');
        } else {
            @images = ('img');
        }
        $confhash->{$role}{'font'} = $env{'form.'.$role.'_font'};
        foreach my $item (@bgs,@links) {
            $confhash->{$role}{$item} = $env{'form.'.$role.'_'.$item};
        }
        my ($configuserok,$author_ok,$switchserver,%currroles);
        my $uhome = &Apache::lonnet::homeserver($confname,$dom,1);
        ($configuserok,%currroles) = &check_configuser($uhome,$dom,
                                                       $confname,$servadm);
        if ($configuserok eq 'ok') {
            $switchserver = &check_switchserver($dom,$confname);
            if ($switchserver eq '') {
                $author_ok = &check_authorstatus($dom,$confname,%currroles);
            }
        }
        my ($width,$height) = &thumb_dimensions();
        foreach my $img (@images) {
	    if ( ! $env{'form.'.$role.'_'.$img.'.filename'} 
		 && !defined($domconfig->{$role}{$img})
		 && !$env{'form.'.$role.'_del_'.$img}
		 && $env{'form.'.$role.'_import_'.$img}) {
		# import the old configured image from the .tab setting
		# if they haven't provided a new one 
		$domconfig->{$role}{$img} = 
		    $env{'form.'.$role.'_import_'.$img};
	    }
            if ($env{'form.'.$role.'_'.$img.'.filename'} ne '') {
                my $error;
                if ($configuserok eq 'ok') {
                    if ($switchserver) {
                        $error = &mt("Upload of [_1] image for $role page(s) is not permitted to this server: [_2]",$choices{$img},$switchserver);
                    } else {
                        if ($author_ok eq 'ok') {
                            my ($result,$logourl) = 
                                &publishlogo($r,'upload',$role.'_'.$img,
                                           $dom,$confname,$img,$width,$height);
                            if ($result eq 'ok') {
                                $confhash->{$role}{$img} = $logourl;
                                $changes{$role}{'images'}{$img} = 1;
                            } else {
                                $error = &mt("Upload of [_1] image for $role page(s) failed because an error occurred publishing the file in RES space. Error was: [_2].",$choices{img},$result);
                            }
                        } else {
                            $error = &mt("Upload of [_1] image for $role page(s) failed because an author role could not be assigned to a Domain Configuation user ([_2]) in domain: [_3].  Error was: [_4].",$choices{$img},$confname,$dom,$author_ok);
                        }
                    }
                } else {
                    $error = &mt("Upload of [_1] image for $role page(s) failed because a Domain Configuation user ([_2]) could not be created in domain: [_3].  Error was: [_4].",$choices{$img},$confname,$dom,$configuserok);
                }
                if ($error) {
                    &Apache::lonnet::logthis($error);
                    $errors .= '<li><span class="LC_error">'.$error.'</span></li>';
                }
            } elsif ($domconfig->{$role}{$img} ne '') {
                if ($domconfig->{$role}{$img} !~ m-^(/res/\Q$dom\E/\Q$confname\E/\Q$img\E)/([^/]+)$-) {
                    my $error;
                    if ($configuserok eq 'ok') {
# is confname an author?
                        if ($switchserver eq '') {
                            if ($author_ok eq 'ok') {
                                my ($result,$logourl) = 
                               &publishlogo($r,'copy',$domconfig->{$role}{$img},
                                            $dom,$confname,$img,$width,$height);
                                if ($result eq 'ok') {
                                    $confhash->{$role}{$img} = $logourl;
				    $changes{$role}{'images'}{$img} = 1;
                                }
                            }
                        }
                    }
                }
            }
        }
        if (ref($domconfig) eq 'HASH') {
            if (ref($domconfig->{$role}) eq 'HASH') {
                foreach my $img (@images) {
                    if ($domconfig->{$role}{$img} ne '') {
                        if ($env{'form.'.$role.'_del_'.$img}) {
                            $confhash->{$role}{$img} = '';
                            $changes{$role}{'images'}{$img} = 1;
                        } else {
                            if ($confhash->{$role}{$img} eq '') {
                                $confhash->{$role}{$img} = $domconfig->{$role}{$img};
                            }
                        }
                    } else {
                        if ($env{'form.'.$role.'_del_'.$img}) {
                            $confhash->{$role}{$img} = '';
                            $changes{$role}{'images'}{$img} = 1;
                        } 
                    }
                }  
                if ($domconfig->{$role}{'font'} ne '') {
                    if ($confhash->{$role}{'font'} ne $domconfig->{$role}{'font'}) {
                        $changes{$role}{'font'} = 1;
                    }
                } else {
                    if ($confhash->{$role}{'font'}) {
                        $changes{$role}{'font'} = 1;
                    }
                }
                foreach my $item (@bgs) {
                    if ($domconfig->{$role}{$item} ne '') {
                        if ($confhash->{$role}{$item} ne $domconfig->{$role}{$item}) {
                            $changes{$role}{'bgs'}{$item} = 1;
                        } 
                    } else {
                        if ($confhash->{$role}{$item}) {
                            $changes{$role}{'bgs'}{$item} = 1;
                        }
                    }
                }
                foreach my $item (@links) {
                    if ($domconfig->{$role}{$item} ne '') {
                        if ($confhash->{$role}{$item} ne $domconfig->{$role}{$item}) {
                            $changes{$role}{'links'}{$item} = 1;
                        }
                    } else {
                        if ($confhash->{$role}{$item}) {
                            $changes{$role}{'links'}{$item} = 1;
                        }
                    }
                }
            } else {
                &default_change_checker($role,\@images,\@links,\@bgs,
                                        $confhash,\%changes); 
            }
        } else {
            &default_change_checker($role,\@images,\@links,\@bgs,
                                    $confhash,\%changes); 
        }
    }
    return ($errors,%changes);
}

sub default_change_checker {
    my ($role,$images,$links,$bgs,$confhash,$changes) = @_;
    foreach my $item (@{$links}) {
        if ($confhash->{$role}{$item}) {
            $changes->{$role}{'links'}{$item} = 1;
        }
    }
    foreach my $item (@{$bgs}) {
        if ($confhash->{$role}{$item}) {
            $changes->{$role}{'bgs'}{$item} = 1;
        }
    }
    foreach my $img (@{$images}) {
        if ($env{'form.'.$role.'_del_'.$img}) {
            $confhash->{$role}{$img} = '';
            $changes->{$role}{'images'}{$img} = 1;
        }
    }
    if ($confhash->{$role}{'font'}) {
        $changes->{$role}{'font'} = 1;
    }
} 

sub display_colorchgs {
    my ($dom,$changes,$roles,$confhash) = @_;
    my (%choices,$resulttext);
    &Apache::loncommon::devalidate_domconfig_cache($dom);
    if (!grep(/^login$/,@{$roles})) {
        $resulttext = &mt('Changes made:').'<br />';
    }
    foreach my $role (@{$roles}) {
        if ($role eq 'login') {
            %choices = &login_choices();
        } else {
            %choices = &color_font_choices();
        }
        if (ref($changes->{$role}) eq 'HASH') {
            if ($role ne 'login') {
                $resulttext .= '<h4>'.&mt($role).'</h4>';
            }
            foreach my $key (sort(keys(%{$changes->{$role}}))) {
                if ($role ne 'login') {
                    $resulttext .= '<ul>';
                }
                if (ref($changes->{$role}{$key}) eq 'HASH') {
                    if ($role ne 'login') {
                        $resulttext .= '<li>'.&mt($choices{$key}).':<ul>';
                    }
                    foreach my $item (sort(keys(%{$changes->{$role}{$key}}))) {
                        if ($confhash->{$role}{$item} eq '') {
                            $resulttext .= '<li>'.&mt("$choices{$item} set to default").'</li>';
                        } else {
                            my $newitem = $confhash->{$role}{$item};
                            if ($key eq 'images') {
                                $newitem = '<img src="'.$confhash->{$role}{$item}.'" alt="'.$choices{$item}.'" valign="bottom" />';
                            }
                            $resulttext .= '<li>'.&mt("$choices{$item} set to [_1]",$newitem).'</li>';
                        }
                    }
                    if ($role ne 'login') {
                        $resulttext .= '</ul></li>';
                    }
                } else {
                    if ($confhash->{$role}{$key} eq '') {
                        $resulttext .= '<li>'.&mt("$choices{$key} set to default").'</li>';
                    } else {
                        $resulttext .= '<li>'.&mt("$choices{$key} set to [_1]",$confhash->{$role}{$key}).'</li>';
                    }
                }
                if ($role ne 'login') {
                    $resulttext .= '</ul>';
                }
            }
        }
    }
    return $resulttext;
}

sub thumb_dimensions {
    return ('200','50');
}

sub check_dimensions {
    my ($inputfile) = @_;
    my ($fullwidth,$fullheight);
    if ($inputfile =~ m|^[/\w.\-]+$|) {
        if (open(PIPE,"identify $inputfile 2>&1 |")) {
            my $imageinfo = <PIPE>;
            if (!close(PIPE)) {
                &Apache::lonnet::logthis("Failed to close PIPE opened to retrieve image information for $inputfile");
            }
            chomp($imageinfo);
            my ($fullsize) = 
                ($imageinfo =~ /^\Q$inputfile\E\s+\w+\s+(\d+x\d+)/);
            if ($fullsize) {
                ($fullwidth,$fullheight) = split(/x/,$fullsize);
            }
        }
    }
    return ($fullwidth,$fullheight);
}

sub check_configuser {
    my ($uhome,$dom,$confname,$servadm) = @_;
    my ($configuserok,%currroles);
    if ($uhome eq 'no_host') {
        srand( time() ^ ($$ + ($$ << 15))  ); # Seed rand.
        my $configpass = &LONCAPA::Enrollment::create_password();
        $configuserok = 
            &Apache::lonnet::modifyuser($dom,$confname,'','internal',
                             $configpass,'','','','','',undef,$servadm);
    } else {
        $configuserok = 'ok';
        %currroles = 
            &Apache::lonnet::get_my_roles($confname,$dom,'userroles');
    }
    return ($configuserok,%currroles);
}

sub check_authorstatus {
    my ($dom,$confname,%currroles) = @_;
    my $author_ok;
    if (!$currroles{$confname.':'.$dom.':au'}) {
        my $start = time;
        my $end = 0;
        $author_ok = 
            &Apache::lonnet::assignrole($dom,$confname,'/'.$dom.'/',
                                        'au',$end,$start);
    } else {
        $author_ok = 'ok';
    }
    return $author_ok;
}

sub publishlogo {
    my ($r,$action,$formname,$dom,$confname,$subdir,$thumbwidth,$thumbheight) = @_;
    my ($output,$fname,$logourl);
    if ($action eq 'upload') {
        $fname=$env{'form.'.$formname.'.filename'};
        chop($env{'form.'.$formname});
    } else {
        ($fname) = ($formname =~ /([^\/]+)$/);
    }
    $fname=&Apache::lonnet::clean_filename($fname);
# See if there is anything left
    unless ($fname) { return ('error: no uploaded file'); }
    $fname="$subdir/$fname";
    my $filepath='/home/'.$confname.'/public_html';
    my ($fnamepath,$file,$fetchthumb);
    $file=$fname;
    if ($fname=~m|/|) {
        ($fnamepath,$file) = ($fname =~ m|^(.*)/([^/]+)$|);
    }
    my @parts=split(/\//,$filepath.'/'.$fnamepath);
    my $count;
    for ($count=4;$count<=$#parts;$count++) {
        $filepath.="/$parts[$count]";
        if ((-e $filepath)!=1) {
            mkdir($filepath,02770);
        }
    }
    # Check for bad extension and disallow upload
    if ($file=~/\.(\w+)$/ &&
        (&Apache::loncommon::fileembstyle($1) eq 'hdn')) {
        $output = 
            &mt('Invalid file extension ([_1]) - reserved for LONCAPA use.',$1); 
    } elsif ($file=~/\.(\w+)$/ &&
        !defined(&Apache::loncommon::fileembstyle($1))) {
        $output = &mt('Unrecognized file extension ([_1]) - rename the file with a proper extension and re-upload.',$1);
    } elsif ($file=~/\.(\d+)\.(\w+)$/) {
        $output = &mt('File name not allowed a rename the file to remove the number immediately before the file extension([_1]) and re-upload.',$2);
    } elsif (-d "$filepath/$file") {
        $output = &mt('File name is a directory name - rename the file and re-upload');
    } else {
        my $source = $filepath.'/'.$file;
        my $logfile;
        if (!open($logfile,">>$source".'.log')) {
            return (&mt('No write permission to Construction Space'));
        }
        print $logfile
"\n================= Publish ".localtime()." ================\n".
$env{'user.name'}.':'.$env{'user.domain'}."\n";
# Save the file
        if (!open(FH,'>'.$source)) {
            &Apache::lonnet::logthis('Failed to create '.$source);
            return (&mt('Failed to create file'));
        }
        if ($action eq 'upload') {
            if (!print FH ($env{'form.'.$formname})) {
                &Apache::lonnet::logthis('Failed to write to '.$source);
                return (&mt('Failed to write file'));
            }
        } else {
            my $original = &Apache::lonnet::filelocation('',$formname);
            if(!copy($original,$source)) {
                &Apache::lonnet::logthis('Failed to copy '.$original.' to '.$source);
                return (&mt('Failed to write file'));
            }
        }
        close(FH);
        chmod(0660, $source); # Permissions to rw-rw---.

        my $docroot=$r->dir_config('lonDocRoot');
        my $targetdir=$docroot.'/res/'.$dom.'/'.$confname .'/'.$fnamepath;
        my $copyfile=$targetdir.'/'.$file;

        my @parts=split(/\//,$targetdir);
        my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]";
        for (my $count=5;$count<=$#parts;$count++) {
            $path.="/$parts[$count]";
            if (!-e $path) {
                print $logfile "\nCreating directory ".$path;
                mkdir($path,02770);
            }
        }
        my $versionresult;
        if (-e $copyfile) {
            $versionresult = &logo_versioning($targetdir,$file,$logfile);
        } else {
            $versionresult = 'ok';
        }
        if ($versionresult eq 'ok') {
            if (copy($source,$copyfile)) {
                print $logfile "\nCopied original source to ".$copyfile."\n";
                $output = 'ok';
                &write_metadata($dom,$confname,$formname,$targetdir,$file,$logfile);
                $logourl = '/res/'.$dom.'/'.$confname.'/'.$fname;
            } else {
                print $logfile "\nUnable to write ".$copyfile.':'.$!."\n";
                $output = &mt('Failed to copy file to RES space').", $!";
            }
            if (($thumbwidth =~ /^\d+$/) && ($thumbheight =~ /^\d+$/)) {
                my $inputfile = $filepath.'/'.$file;
                my $outfile = $filepath.'/'.'tn-'.$file;
                my ($fullwidth,$fullheight) = &check_dimensions($inputfile);
                if ($fullwidth ne '' && $fullheight ne '') { 
                    if ($fullwidth > $thumbwidth && $fullheight > $thumbheight) {
                        my $thumbsize = $thumbwidth.'x'.$thumbheight;
                        system("convert -sample $thumbsize $inputfile $outfile");
                        chmod(0660, $filepath.'/tn-'.$file);
                        if (-e $outfile) {
                            my $copyfile=$targetdir.'/tn-'.$file;
                            if (copy($outfile,$copyfile)) {
                                print $logfile "\nCopied source to ".$copyfile."\n";
                                &write_metadata($dom,$confname,$formname,
                                                $targetdir,'tn-'.$file,$logfile);
                            } else {
                                print $logfile "\nUnable to write ".$copyfile.
                                               ':'.$!."\n";
                            }
                        }
                    }
                }
            }
        } else {
            $output = $versionresult;
        }
    }
    return ($output,$logourl);
}

sub logo_versioning {
    my ($targetdir,$file,$logfile) = @_;
    my $target = $targetdir.'/'.$file;
    my ($maxversion,$fn,$extn,$output);
    $maxversion = 0;
    if ($file =~ /^(.+)\.(\w+)$/) {
        $fn=$1;
        $extn=$2;
    }
    opendir(DIR,$targetdir);
    while (my $filename=readdir(DIR)) {
        if ($filename=~/\Q$fn\E\.(\d+)\.\Q$extn\E$/) {
            $maxversion=($1>$maxversion)?$1:$maxversion;
        }
    }
    $maxversion++;
    print $logfile "\nCreating old version ".$maxversion."\n";
    my $copyfile=$targetdir.'/'.$fn.'.'.$maxversion.'.'.$extn;
    if (copy($target,$copyfile)) {
        print $logfile "Copied old target to ".$copyfile."\n";
        $copyfile=$copyfile.'.meta';
        if (copy($target.'.meta',$copyfile)) {
            print $logfile "Copied old target metadata to ".$copyfile."\n";
            $output = 'ok';
        } else {
            print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n";
            $output = &mt('Failed to copy old meta').", $!, ";
        }
    } else {
        print $logfile "Unable to write ".$copyfile.':'.$!."\n";
        $output = &mt('Failed to copy old target').", $!, ";
    }
    return $output;
}

sub write_metadata {
    my ($dom,$confname,$formname,$targetdir,$file,$logfile) = @_;
    my (%metadatafields,%metadatakeys,$output);
    $metadatafields{'title'}=$formname;
    $metadatafields{'creationdate'}=time;
    $metadatafields{'lastrevisiondate'}=time;
    $metadatafields{'copyright'}='public';
    $metadatafields{'modifyinguser'}=$env{'user.name'}.':'.
                                         $env{'user.domain'};
    $metadatafields{'authorspace'}=$confname.':'.$dom;
    $metadatafields{'domain'}=$dom;
    {
        print $logfile "\nWrite metadata file for ".$targetdir.'/'.$file;
        my $mfh;
        unless (open($mfh,'>'.$targetdir.'/'.$file.'.meta')) {
            $output = &mt('Could not write metadata');
        }
        foreach (sort keys %metadatafields) {
            unless ($_=~/\./) {
                my $unikey=$_;
                $unikey=~/^([A-Za-z]+)/;
                my $tag=$1;
                $tag=~tr/A-Z/a-z/;
                print $mfh "\n\<$tag";
                foreach (split(/\,/,$metadatakeys{$unikey})) {
                    my $value=$metadatafields{$unikey.'.'.$_};
                    $value=~s/\"/\'\'/g;
                    print $mfh ' '.$_.'="'.$value.'"';
                }
                print $mfh '>'.
                    &HTML::Entities::encode($metadatafields{$unikey},'<>&"')
                        .'</'.$tag.'>';
            }
        }
        $output = 'ok';
        print $logfile "\nWrote metadata";
        close($mfh);
    }
}

sub check_switchserver {
    my ($dom,$confname) = @_;
    my ($allowed,$switchserver);
    my $home = &Apache::lonnet::homeserver($confname,$dom);
    if ($home eq 'no_host') {
        $home = &Apache::lonnet::domain($dom,'primary');
    }
    my @ids=&Apache::lonnet::current_machine_ids();
    foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
    if (!$allowed) {
	$switchserver='<a href="/adm/switchserver?otherserver='.$home.'&role=dc./'.$dom.'/">'.&mt('Switch Server').'</a>';
    }
    return $switchserver;
}

sub javascript_set_colnums {
    return <<END;
function setDisplayColumns() {
    if (document.pickactions.width.value > 1100) {
        document.pickactions.numcols[1].checked = true;
    } else {
        document.pickactions.numcols[0].checked = true;
    }
}
END
}

sub modify_quotas {
    my ($dom,%domconfig) = @_;
    my ($resulttext,%changes);
    my ($othertitle,$usertypes,$types) = &sorted_inst_types($dom);
    my %formhash;
    foreach my $key (keys(%env)) {
        if ($key =~ /^form\.quota_(.+)$/) {
            $formhash{$1} = $env{$key};
        }
    }
    $formhash{'default'} = $env{'form.defaultquota'};
    if (ref($domconfig{'quotas'}) eq 'HASH') {
        foreach my $key (keys(%{$domconfig{'quotas'}})) {
            if (exists($formhash{$key})) {
                if ($formhash{$key} ne $domconfig{'quotas'}{$key}) {
                    $changes{$key} = 1;
                }
            } else {
                $formhash{$key} = $domconfig{'quotas'}{$key};
            }
        }
    }
    foreach my $key (keys(%formhash)) {
        if ($formhash{$key} ne '') {
            if (!exists($domconfig{'quotas'}{$key})) {
                $changes{$key} = 1;
            }
        }
    }
    my %quotahash = (
                      quotas => {%formhash},
                    );
    my $putresult = &Apache::lonnet::put_dom('configuration',\%quotahash,
                                             $dom);
    if ($putresult eq 'ok') {
        if (keys(%changes) > 0) {
            $resulttext = &mt('Changes made:').'<ul>';
            foreach my $type (@{$types},'default') {
                if (defined($changes{$type})) { 
                    my $typetitle = $usertypes->{$type};
                    if ($type eq 'default') {
                        $typetitle = $othertitle;
                    }
                    $resulttext .= '<li>'.&mt('[_1] set to [_2] Mb',$typetitle,$formhash{$type}).'</li>';
                }
            }
            $resulttext .= '</ul>';
        } else {
            $resulttext = &mt('No changes made to default quotas');
        }
    } else {
        $resulttext = '<span class="LC_error">'.
	    &mt('An error occurred: [_1]',$putresult).'</span>';
    }
    return $resulttext;
}

sub modify_autoenroll {
    my ($dom,%domconfig) = @_;
    my ($resulttext,%changes);
    my %currautoenroll;
    if (ref($domconfig{'autoenroll'}) eq 'HASH') {
        foreach my $key (keys(%{$domconfig{'autoenroll'}})) {
            $currautoenroll{$key} = $domconfig{'autoenroll'}{$key};
        }
    }
    my $autorun = &Apache::lonnet::auto_run(undef,$dom),
    my %title = ( run => 'Auto-enrollment active',
                  sender => 'Sender for notification messages');
    my @offon = ('off','on');
    my $sender_uname = $env{'form.sender_uname'};
    my $sender_domain = $env{'form.sender_domain'};
    if ($sender_domain eq '') {
        $sender_uname = '';
    } elsif ($sender_uname eq '') {
        $sender_domain = '';
    }
    my %autoenrollhash =  (
                       autoenroll => { run => $env{'form.autoenroll_run'},
                                       sender_uname => $sender_uname,
                                       sender_domain => $sender_domain,

                                }
                     );
    my $putresult = &Apache::lonnet::put_dom('configuration',\%autoenrollhash,
                                             $dom);
    if ($putresult eq 'ok') {
        if (exists($currautoenroll{'run'})) {
             if ($currautoenroll{'run'} ne $env{'form.autoenroll_run'}) {
                 $changes{'run'} = 1;
             }
        } elsif ($autorun) {
            if ($env{'form.autoenroll_run'} ne '1') {
                 $changes{'run'} = 1;
            }
        }
        if ($currautoenroll{'sender_uname'} ne $sender_uname) {
            $changes{'sender'} = 1;
        }
        if ($currautoenroll{'sender_domain'} ne $sender_domain) {
            $changes{'sender'} = 1;
        }
        if (keys(%changes) > 0) {
            $resulttext = &mt('Changes made:').'<ul>';
            if ($changes{'run'}) {
                $resulttext .= '<li>'.&mt("$title{'run'} set to $offon[$env{'form.autoenroll_run'}]").'</li>';
            }
            if ($changes{'sender'}) {
                if ($sender_uname eq '' || $sender_domain eq '') {
                    $resulttext .= '<li>'.&mt("$title{'sender'} set to default (course owner).").'</li>';
                } else {
                    $resulttext .= '<li>'.&mt("$title{'sender'} set to [_1]",$sender_uname.':'.$sender_domain).'</li>';
                }
            }
            $resulttext .= '</ul>';
        } else {
            $resulttext = &mt('No changes made to auto-enrollment settings');
        }
    } else {
        $resulttext = '<span class="LC_error">'.
	    &mt('An error occurred: [_1]',$putresult).'</span>';
    }
    return $resulttext;
}

sub modify_autoupdate {
    my ($dom,%domconfig) = @_;
    my ($resulttext,%currautoupdate,%fields,%changes);
    if (ref($domconfig{'autoupdate'}) eq 'HASH') {
        foreach my $key (keys(%{$domconfig{'autoupdate'}})) {
            $currautoupdate{$key} = $domconfig{'autoupdate'}{$key};
        }
    }
    my @offon = ('off','on');
    my %title = &Apache::lonlocal::texthash (
                   run => 'Auto-update:',
                   classlists => 'Updates to user information in classlists?'
                );
    my ($othertitle,$usertypes,$types) = &sorted_inst_types($dom);
    my %fieldtitles = &Apache::lonlocal::texthash (
                        id => 'Student/Employee ID',
                        permanentemail => 'E-mail address',
                        lastname => 'Last Name',
                        firstname => 'First Name',
                        middlename => 'Middle Name',
                        gen => 'Generation',
                      );
    my $othertitle = &mt('All users');
    if (keys(%{$usertypes}) >  0) {
        $othertitle = &mt('Other users');
    }
    foreach my $key (keys(%env)) {
        if ($key =~ /^form\.updateable_(.+)_([^_]+)$/) {
            push(@{$fields{$1}},$2);
        }
    }
    my %updatehash = (
                      autoupdate => { run => $env{'form.autoupdate_run'},
                                      classlists => $env{'form.classlists'},
                                      fields => {%fields},
                                    }
                     );
    foreach my $key (keys(%currautoupdate)) {
        if (($key eq 'run') || ($key eq 'classlists')) {
            if (exists($updatehash{autoupdate}{$key})) {
                if ($currautoupdate{$key} ne $updatehash{autoupdate}{$key}) {
                    $changes{$key} = 1;
                }
            }
        } elsif ($key eq 'fields') {
            if (ref($currautoupdate{$key}) eq 'HASH') {
                foreach my $item (@{$types},'default') {
                    if (ref($currautoupdate{$key}{$item}) eq 'ARRAY') {
                        my $change = 0;
                        foreach my $type (@{$currautoupdate{$key}{$item}}) {
                            if (!exists($fields{$item})) {
                                $change = 1;
                            } elsif (ref($fields{$item}) eq 'ARRAY') {
                                if (!grep(/^\Q$type\E$/,@{$fields{$item}})) {
                                    $change = 1;
                                }
                            }
                        }
                        if ($change) {
                            push(@{$changes{$key}},$item);
                        }
                    } 
                }
            }
        }
    }
    foreach my $item (@{$types},'default') {
        if (defined($fields{$item})) {
            if (ref($currautoupdate{'fields'}) eq 'HASH') {
                if (!exists($currautoupdate{'fields'}{$item})) {
                    push(@{$changes{'fields'}},$item);
                }
            } else {
                push(@{$changes{'fields'}},$item);
            }
        }
    }
    my $putresult = &Apache::lonnet::put_dom('configuration',\%updatehash,
                                             $dom);
    if ($putresult eq 'ok') {
        if (keys(%changes) > 0) {
            $resulttext = &mt('Changes made:').'<ul>';
            foreach my $key (sort(keys(%changes))) {
                if (ref($changes{$key}) eq 'ARRAY') {
                    foreach my $item (@{$changes{$key}}) {
                        my @newvalues;
                        foreach my $type (@{$fields{$item}}) {
                            push(@newvalues,$fieldtitles{$type});
                        }
                        my $newvaluestr;
                        if (@newvalues > 0) {
                            $newvaluestr = join(', ',@newvalues);
                        } else {
                            $newvaluestr = &mt('none');
                        }
                        if ($item eq 'default') {
                            $resulttext .= '<li>'.&mt("Updates for '[_1]' set to: '[_2]'",$othertitle,$newvaluestr).'</li>';
                        } else {
                            $resulttext .= '<li>'.&mt("Updates for '[_1]' set to: '[_2]'",$usertypes->{$item},$newvaluestr).'</li>';
                        }
                    }
                } else {
                    my $newvalue;
                    if ($key eq 'run') {
                        $newvalue = $offon[$env{'form.autoupdate_run'}];
                    } else {
                        $newvalue = $offon[$env{'form.'.$key}];
                    }
                    $resulttext .= '<li>'.&mt("[_1] set to $newvalue",$title{$key}).'</li>';
                }
            }
            $resulttext .= '</ul>';
        } else {
            $resulttext = &mt('No changes made to autoupdates');
        }
    } else {
        $resulttext = '<span class="LC_error">'.
	    &mt('An error occurred: [_1]',$putresult).'</span>';
    }
    return $resulttext;
}

sub modify_directorysrch {
    my ($dom,%domconfig) = @_;
    my ($resulttext,%changes);
    my %currdirsrch;
    if (ref($domconfig{'directorysrch'}) eq 'HASH') {
        foreach my $key (keys(%{$domconfig{'directorysrch'}})) {
            $currdirsrch{$key} = $domconfig{'directorysrch'}{$key};
        }
    }
    my %title = ( available => 'Directory search available',
                  localonly => 'Other domains can search',
                  searchby => 'Search types',
                  searchtypes => 'Search latitude');
    my @offon = ('off','on');
    my @otherdoms = ('Yes','No');

    my @searchtypes = &Apache::loncommon::get_env_multiple('form.searchtypes');  
    my @cansearch = &Apache::loncommon::get_env_multiple('form.cansearch');
    my @searchby = &Apache::loncommon::get_env_multiple('form.searchby');

    my ($othertitle,$usertypes,$types) = &sorted_inst_types($dom);
    if (keys(%{$usertypes}) == 0) {
        @cansearch = ('default');
    } else {
        if (ref($currdirsrch{'cansearch'}) eq 'ARRAY') {
            foreach my $type (@{$currdirsrch{'cansearch'}}) {
                if (!grep(/^\Q$type\E$/,@cansearch)) {
                    push(@{$changes{'cansearch'}},$type);
                }
            }
            foreach my $type (@cansearch) {
                if (!grep(/^\Q$type\E$/,@{$currdirsrch{'cansearch'}})) {
                    push(@{$changes{'cansearch'}},$type);
                }
            }
        } else {
            push(@{$changes{'cansearch'}},@cansearch);
        }
    }

    if (ref($currdirsrch{'searchby'}) eq 'ARRAY') {
        foreach my $by (@{$currdirsrch{'searchby'}}) {
            if (!grep(/^\Q$by\E$/,@searchby)) {
                push(@{$changes{'searchby'}},$by);
            }
        }
        foreach my $by (@searchby) {
            if (!grep(/^\Q$by\E$/,@{$currdirsrch{'searchby'}})) {
                push(@{$changes{'searchby'}},$by);
            }
        }
    } else {
        push(@{$changes{'searchby'}},@searchby);
    }

    if (ref($currdirsrch{'searchtypes'}) eq 'ARRAY') {
        foreach my $type (@{$currdirsrch{'searchtypes'}}) {
            if (!grep(/^\Q$type\E$/,@searchtypes)) {
                push(@{$changes{'searchtypes'}},$type);
            }
        }
        foreach my $type (@searchtypes) {
            if (!grep(/^\Q$type\E$/,@{$currdirsrch{'searchtypes'}})) {
                push(@{$changes{'searchtypes'}},$type);
            }
        }
    } else {
        if (exists($currdirsrch{'searchtypes'})) {
            foreach my $type (@searchtypes) {  
                if ($type ne $currdirsrch{'searchtypes'}) { 
                    push(@{$changes{'searchtypes'}},$type);
                }
            }
            if (!grep(/^\Q$currdirsrch{'searchtypes'}\E/,@searchtypes)) {
                push(@{$changes{'searchtypes'}},$currdirsrch{'searchtypes'});
            }   
        } else {
            push(@{$changes{'searchtypes'}},@searchtypes); 
        }
    }

    my %dirsrch_hash =  (
            directorysrch => { available => $env{'form.dirsrch_available'},
                               cansearch => \@cansearch,
                               localonly => $env{'form.dirsrch_localonly'},
                               searchby => \@searchby,
                               searchtypes => \@searchtypes,
                             }
            );
    my $putresult = &Apache::lonnet::put_dom('configuration',\%dirsrch_hash,
                                             $dom);
    if ($putresult eq 'ok') {
        if (exists($currdirsrch{'available'})) {
             if ($currdirsrch{'available'} ne $env{'form.dirsrch_available'}) {
                 $changes{'available'} = 1;
             }
        } else {
            if ($env{'form.dirsrch_available'} eq '1') {
                $changes{'available'} = 1;
            }
        }
        if (exists($currdirsrch{'localonly'})) {
             if ($currdirsrch{'localonly'} ne $env{'form.dirsrch_localonly'}) {
                 $changes{'localonly'} = 1;
             }
        } else {
            if ($env{'form.dirsrch_localonly'} eq '1') {
                $changes{'localonly'} = 1;
            }
        }
        if (keys(%changes) > 0) {
            $resulttext = &mt('Changes made:').'<ul>';
            if ($changes{'available'}) {
                $resulttext .= '<li>'.&mt("$title{'available'} set to: $offon[$env{'form.dirsrch_available'}]").'</li>';
            }
            if ($changes{'localonly'}) {
                $resulttext .= '<li>'.&mt("$title{'localonly'} set to: $otherdoms[$env{'form.dirsrch_localonly'}]").'</li>';
            }

            if (ref($changes{'cansearch'}) eq 'ARRAY') {
                my $chgtext;
                if (ref($usertypes) eq 'HASH') {
                    if (keys(%{$usertypes}) > 0) {
                        foreach my $type (@{$types}) {
                            if (grep(/^\Q$type\E$/,@cansearch)) {
                                $chgtext .= $usertypes->{$type}.'; ';
                            }
                        }
                        if (grep(/^default$/,@cansearch)) {
                            $chgtext .= $othertitle;
                        } else {
                            $chgtext =~ s/\; $//;
                        }
                        $resulttext .= '<li>'.&mt("Users from domain '<span class=\"LC_cusr_emph\">[_1]</span>' permitted to search the institutional directory set to: [_2]",$dom,$chgtext).'</li>';
                    }
                }
            }
            if (ref($changes{'searchby'}) eq 'ARRAY') {
                my ($searchtitles,$titleorder) = &sorted_searchtitles();
                my $chgtext;
                foreach my $type (@{$titleorder}) {
                    if (grep(/^\Q$type\E$/,@searchby)) {
                        if (defined($searchtitles->{$type})) {
                            $chgtext .= $searchtitles->{$type}.'; ';
                        }
                    }
                }
                $chgtext =~ s/\; $//;
                $resulttext .= '<li>'.&mt("$title{'searchby'} set to: [_1]",$chgtext).'</li>';
            }
            if (ref($changes{'searchtypes'}) eq 'ARRAY') {
                my ($srchtypes_desc,$srchtypeorder) = &sorted_searchtypes(); 
                my $chgtext;
                foreach my $type (@{$srchtypeorder}) {
                    if (grep(/^\Q$type\E$/,@searchtypes)) {
                        if (defined($srchtypes_desc->{$type})) {
                            $chgtext .= $srchtypes_desc->{$type}.'; ';
                        }
                    }
                }
                $chgtext =~ s/\; $//;
                $resulttext .= '<li>'.&mt("$title{'searchtypes'} set to: \"[_1]\"",$chgtext).'</li>';
            }
            $resulttext .= '</ul>';
        } else {
            $resulttext = &mt('No changes made to institution directory search settings');
        }
    } else {
        $resulttext = '<span class="LC_error">'.
                      &mt('An error occurred: [_1]',$putresult).'</span>';
    }
    return $resulttext;
}

sub modify_contacts {
    my ($dom,%domconfig) = @_;
    my ($resulttext,%currsetting,%newsetting,%changes,%contacts_hash);
    if (ref($domconfig{'contacts'}) eq 'HASH') {
        foreach my $key (keys(%{$domconfig{'contacts'}})) {
            $currsetting{$key} = $domconfig{'contacts'}{$key};
        }
    }
    my (%others,%to);
    my @contacts = ('supportemail','adminemail');
    my @mailings = ('errormail','packagesmail','helpdeskmail');
    foreach my $type (@mailings) {
        @{$newsetting{$type}} = 
            &Apache::loncommon::get_env_multiple('form.'.$type);
        foreach my $item (@contacts) {
            if (grep(/^\Q$item\E$/,@{$newsetting{$type}})) {
                $contacts_hash{contacts}{$type}{$item} = 1;
            } else {
                $contacts_hash{contacts}{$type}{$item} = 0;
            }
        }  
        $others{$type} = $env{'form.'.$type.'_others'};
        $contacts_hash{contacts}{$type}{'others'} = $others{$type};
    }
    foreach my $item (@contacts) {
        $to{$item} = $env{'form.'.$item};
        $contacts_hash{'contacts'}{$item} = $to{$item};
    }
    if (keys(%currsetting) > 0) {
        foreach my $item (@contacts) {
            if ($to{$item} ne $currsetting{$item}) {
                $changes{$item} = 1;
            }
        }
        foreach my $type (@mailings) {
            foreach my $item (@contacts) {
                if (ref($currsetting{$type}) eq 'HASH') {
                    if ($currsetting{$type}{$item} ne $contacts_hash{contacts}{$type}{$item}) {
                        push(@{$changes{$type}},$item);
                    }
                } else {
                    push(@{$changes{$type}},@{$newsetting{$type}});
                }
            }
            if ($others{$type} ne $currsetting{$type}{'others'}) {
                push(@{$changes{$type}},'others');
            }
        }
    } else {
        my %default;
        $default{'supportemail'} = $Apache::lonnet::perlvar{'lonSupportEMail'};
        $default{'adminemail'} = $Apache::lonnet::perlvar{'lonAdmEMail'};
        $default{'errormail'} = 'adminemail';
        $default{'packagesmail'} = 'adminemail';
        $default{'helpdeskmail'} = 'supportemail';
        foreach my $item (@contacts) {
           if ($to{$item} ne $default{$item}) {
              $changes{$item} = 1;
           } 
        }
        foreach my $type (@mailings) {
            if ((@{$newsetting{$type}} != 1) || ($newsetting{$type}[0] ne $default{$type})) {
               
                push(@{$changes{$type}},@{$newsetting{$type}});
            }
            if ($others{$type} ne '') {
                push(@{$changes{$type}},'others');
            } 
        }
    }
    my $putresult = &Apache::lonnet::put_dom('configuration',\%contacts_hash,
                                             $dom);
    if ($putresult eq 'ok') {
        if (keys(%changes) > 0) {
            my ($titles,$short_titles)  = &contact_titles();
            $resulttext = &mt('Changes made:').'<ul>';
            foreach my $item (@contacts) {
                if ($changes{$item}) {
                    $resulttext .= '<li>'.$titles->{$item}.
                                    &mt(' set to: ').
                                    '<span class="LC_cusr_emph">'.
                                    $to{$item}.'</span></li>';
                }
            }
            foreach my $type (@mailings) {
                if (ref($changes{$type}) eq 'ARRAY') {
                    $resulttext .= '<li>'.$titles->{$type}.': ';
                    my @text;
                    foreach my $item (@{$newsetting{$type}}) {
                        push(@text,$short_titles->{$item});
                    }
                    if ($others{$type} ne '') {
                        push(@text,$others{$type});
                    }
                    $resulttext .= '<span class="LC_cusr_emph">'.
                                   join(', ',@text).'</span></li>';
                }
            }
            $resulttext .= '</ul>';
        } else {
            $resulttext = &mt('No changes made to contact information');
        }
    } else {
        $resulttext = '<span class="LC_error">'.
            &mt('An error occurred: [_1].',$putresult).'</span>';
    }
    return $resulttext;
}

sub modify_usercreation {
    my ($dom,%domconfig) = @_;
    my ($resulttext,%curr_usercreation,%changes,%authallowed,%cancreate);
    if (ref($domconfig{'usercreation'}) eq 'HASH') {
        foreach my $key (keys(%{$domconfig{'usercreation'}})) {
            $curr_usercreation{$key} = $domconfig{'usercreation'}{$key};
        }
    }
    my %title = &Apache::lonlocal::texthash (
                   author => 'adding co-authors/assistant authors',
                   course => 'adding users to a course',
                );
    my @username_rule = &Apache::loncommon::get_env_multiple('form.username_rule');
    my @id_rule = &Apache::loncommon::get_env_multiple('form.id_rule');
    my @contexts = ('author','course');
    foreach my $item(@contexts) {
        $cancreate{$item} = $env{'form.can_createuser_'.$item};
    }
    if (ref($curr_usercreation{'cancreate'}) eq 'HASH') {
        foreach my $item (@contexts) {
            if ($curr_usercreation{'cancreate'}{$item} ne $cancreate{$item}) {
                push(@{$changes{'cancreate'}},$item);
            } 
        }
    } elsif (ref($curr_usercreation{'cancreate'}) eq 'ARRAY') {
        foreach my $item (@contexts) {
            if (grep(/^\Q$item\E$/,@{$curr_usercreation{'cancreate'}})) {
                if ($cancreate{$item} ne 'any') {
                    push(@{$changes{'cancreate'}},$item);
                }
            } else {
                if ($cancreate{$item} ne 'none') {
                    push(@{$changes{'cancreate'}},$item);
                }
            }
        }
    } else {
        foreach my $item ('author','course') {
            push(@{$changes{'cancreate'}},$item);
        }
    }

    if (ref($curr_usercreation{'username_rule'}) eq 'ARRAY') {
        foreach my $type (@{$curr_usercreation{'username_rule'}}) {
            if (!grep(/^\Q$type\E$/,@username_rule)) {
                push(@{$changes{'username_rule'}},$type);
            }
        }
        foreach my $type (@username_rule) {
            if (!grep(/^\Q$type\E$/,@{$curr_usercreation{'username_rule'}})) {
                push(@{$changes{'username_rule'}},$type);
            }
        }
    } else {
        push(@{$changes{'username_rule'}},@username_rule);
    }

    if (ref($curr_usercreation{'id_rule'}) eq 'ARRAY') {
        foreach my $type (@{$curr_usercreation{'id_rule'}}) {
            if (!grep(/^\Q$type\E$/,@id_rule)) {
                push(@{$changes{'id_rule'}},$type);
            }
        }
        foreach my $type (@id_rule) {
            if (!grep(/^\Q$type\E$/,@{$curr_usercreation{'id_rule'}})) {
                push(@{$changes{'id_rule'}},$type);
            }
        }
    } else {
        push(@{$changes{'id_rule'}},@id_rule);
    }

    my @contexts = ('author','course','domain');
    my @authtypes = ('int','krb4','krb5','loc');
    my %authhash;
    foreach my $item (@contexts) {
        my @authallowed =  &Apache::loncommon::get_env_multiple('form.'.$item.'_auth');
        foreach my $auth (@authtypes) {
            if (grep(/^\Q$auth\E$/,@authallowed)) {
                $authhash{$item}{$auth} = 1;
            } else {
                $authhash{$item}{$auth} = 0;
            }
        }
    }
    if (ref($curr_usercreation{'authtypes'}) eq 'HASH') {
        foreach my $item (@contexts) {
            if (ref($curr_usercreation{'authtypes'}{$item}) eq 'HASH') {
                foreach my $auth (@authtypes) {
                    if ($authhash{$item}{$auth} ne $curr_usercreation{'authtypes'}{$item}{$auth}) {
                        push(@{$changes{'authtypes'}},$item);
                        last;
                    }
                }
            }
        }
    } else {
        foreach my $item (@contexts) {
            push(@{$changes{'authtypes'}},$item);
        }
    }

    my %usercreation_hash =  (
            usercreation => {
                              cancreate     => \%cancreate,
                              username_rule => \@username_rule,
                              id_rule       => \@id_rule,
                              authtypes     => \%authhash,
                            }
            );

    my $putresult = &Apache::lonnet::put_dom('configuration',\%usercreation_hash,
                                             $dom);
    if ($putresult eq 'ok') {
        if (keys(%changes) > 0) {
            $resulttext = &mt('Changes made:').'<ul>';
            if (ref($changes{'cancreate'}) eq 'ARRAY') {
                my %lt = &usercreation_types();
                foreach my $type (@{$changes{'cancreate'}}) {
                    my $chgtext; 
                    if ($cancreate{$type} eq 'none') {
                        $chgtext = $lt{$type}.' '.&mt('creation of new users is not permitted, except by a Domain Coordinator.');
                    } elsif ($cancreate{$type} eq 'any') {
                        $chgtext = $lt{$type}.' '.&mt('creation of new users is permitted for both institutional and non-institutional usernames.'); 
                    } elsif ($cancreate{$type} eq 'official') {
                        $chgtext = $lt{$type}.' '.&mt('creation of new users is only permitted for institutional usernames.',$lt{$type});
                    } elsif ($cancreate{$type} eq 'unofficial') {
                        $chgtext = $lt{$type}.' '.&mt('creation of new users is only permitted for non-institutional usernames.',$lt{$type});
                    }
                    $resulttext .= '<li>'.$chgtext.'</li>';
                }
            }
            if (ref($changes{'username_rule'}) eq 'ARRAY') {
                my ($rules,$ruleorder) = 
                    &Apache::lonnet::inst_userrules($dom,'username');
                my $chgtext = '<ul>';
                foreach my $type (@username_rule) {
                    if (ref($rules->{$type}) eq 'HASH') {
                        $chgtext .= '<li>'.$rules->{$type}{'name'}.'</li>';
                    }
                }
                $chgtext .= '</ul>';
                if (@username_rule > 0) {
                    $resulttext .= '<li>'.&mt('Usernames with the following formats are restricted to verified users in the institutional directory: ').$chgtext.'</li>';     
                } else {
                    $resulttext .= '<li>'.&mt('There are now no username formats restricted to verified users in the institutional directory.').'</li>'; 
                }
            }
            if (ref($changes{'id_rule'}) eq 'ARRAY') {
                my ($idrules,$idruleorder) = 
                    &Apache::lonnet::inst_userrules($dom,'id');
                my $chgtext = '<ul>';
                foreach my $type (@id_rule) {
                    if (ref($idrules->{$type}) eq 'HASH') {
                        $chgtext .= '<li>'.$idrules->{$type}{'name'}.'</li>';
                    }
                }
                $chgtext .= '</ul>';
                if (@id_rule > 0) {
                    $resulttext .= '<li>'.&mt('IDs with the following formats are restricted to verified users in the institutional directory: ').$chgtext.'</li>';
                } else {
                    $resulttext .= '<li>'.&mt('There are now no ID formats restricted to verified users in the institutional directory.').'</li>';
                }
            }
            my %authname = &authtype_names();
            my %context_title = &context_names();
            if (ref($changes{'authtypes'}) eq 'ARRAY') {
                my $chgtext = '<ul>';
                foreach my $type (@{$changes{'authtypes'}}) {
                    my @allowed;
                    $chgtext .= '<li><span class="LC_cusr_emph">'.$context_title{$type}.'</span> - '.&mt('assignable authentication types: ');
                    foreach my $auth (@authtypes) {
                        if ($authhash{$type}{$auth}) {
                            push(@allowed,$authname{$auth});
                        }
                    }
                    $chgtext .= join(', ',@allowed).'</li>';
                }
                $chgtext .= '</ul>';
                $resulttext .= '<li>'.&mt('Authentication types available for assignment to new users').'<br />'.$chgtext;
                $resulttext .= '</li>';
            }
            $resulttext .= '</ul>';
        } else {
            $resulttext = &mt('No changes made to user creation settings');
        }
    } else {
        $resulttext = '<span class="LC_error">'.
            &mt('An error occurred: [_1]',$putresult).'</span>';
    }
    return $resulttext;
}

sub modify_usermodification {
    my ($dom,%domconfig) = @_;
    my ($resulttext,%curr_usermodification,%changes);
    if (ref($domconfig{'usermodification'}) eq 'HASH') {
        foreach my $key (keys(%{$domconfig{'usermodification'}})) {
            $curr_usermodification{$key} = $domconfig{'usermodification'}{$key};
        }
    }
    my @contexts = ('author','course');
    my %context_title = (
                           author => 'In author context',
                           course => 'In course context',
                        );
    my @fields = ('lastname','firstname','middlename','generation',
                  'permanentemail','id');
    my %roles = (
                  author => ['ca','aa'],
                  course => ['st','ep','ta','in','cr'],
                );
    my %fieldtitles = &Apache::loncommon::personal_data_fieldtitles();
    my %modifyhash;
    foreach my $context (@contexts) {
        foreach my $role (@{$roles{$context}}) {
            my @modifiable =  &Apache::loncommon::get_env_multiple('form.canmodify_'.$role);
            foreach my $item (@fields) {
                if (grep(/^\Q$item\E$/,@modifiable)) {
                    $modifyhash{$context}{$role}{$item} = 1;
                } else {
                    $modifyhash{$context}{$role}{$item} = 0;
                }
            }
        }
        if (ref($curr_usermodification{$context}) eq 'HASH') {
            foreach my $role (@{$roles{$context}}) {
                if (ref($curr_usermodification{$context}{$role}) eq 'HASH') {
                    foreach my $field (@fields) {
                        if ($modifyhash{$context}{$role}{$field} ne 
                                $curr_usermodification{$context}{$role}{$field}) {
                            push(@{$changes{$context}},$role);
                            last;
                        }
                    }
                }
            }
        } else {
            foreach my $context (@contexts) {
                foreach my $role (@{$roles{$context}}) {
                    push(@{$changes{$context}},$role);
                }
            }
        }
    }
    my %usermodification_hash =  (
                                   usermodification => \%modifyhash,
                                 );
    my $putresult = &Apache::lonnet::put_dom('configuration',
                                             \%usermodification_hash,$dom);
    if ($putresult eq 'ok') {
        if (keys(%changes) > 0) {
            $resulttext = &mt('Changes made: ').'<ul>';
            foreach my $context (@contexts) {
                if (ref($changes{$context}) eq 'ARRAY') {
                    $resulttext .= '<li>'.$context_title{$context}.':<ul>';
                    if (ref($changes{$context}) eq 'ARRAY') {
                        foreach my $role (@{$changes{$context}}) {
                            my $rolename;
                            if ($role eq 'cr') {
                                $rolename = &mt('Custom');
                            } else {
                                $rolename = &Apache::lonnet::plaintext($role);
                            }
                            my @modifiable;
                            $resulttext .= '<li><span class="LC_cusr_emph">'.&mt('Target user with [_1] role',$rolename).'</span> - '.&mt('modifiable fields: ');
                            foreach my $field (@fields) {
                                if ($modifyhash{$context}{$role}{$field}) {
                                    push(@modifiable,$fieldtitles{$field});
                                }
                            }
                            if (@modifiable > 0) {
                                $resulttext .= join(', ',@modifiable);
                            } else {
                                $resulttext .= &mt('none'); 
                            }
                            $resulttext .= '</li>';
                        }
                        $resulttext .= '</ul></li>';
                    }
                }
            }
            $resulttext .= '</ul>';
        } else {
            $resulttext = &mt('No changes made to user modification settings');
        }
    } else {
        $resulttext = '<span class="LC_error">'.
            &mt('An error occurred: [_1]',$putresult).'</span>';
    }
    return $resulttext;
}

1;