--- loncom/interface/loncommon.pm	2008/05/31 01:51:42	1.658
+++ loncom/interface/loncommon.pm	2008/12/08 18:25:07	1.710
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.658 2008/05/31 01:51:42 raeburn Exp $
+# $Id: loncommon.pm,v 1.710 2008/12/08 18:25:07 bisitz Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -61,6 +61,7 @@ use POSIX qw(strftime mktime);
 use Apache::lonmenu();
 use Apache::lonenc();
 use Apache::lonlocal;
+use Apache::lonnet();
 use HTML::Entities;
 use Apache::lonhtmlcommon();
 use Apache::loncoursedata();
@@ -68,6 +69,7 @@ use Apache::lontexconvert();
 use Apache::lonclonecourse();
 use LONCAPA qw(:DEFAULT :match);
 use DateTime::TimeZone;
+use DateTime::Locale::Catalog;
 
 # ---------------------------------------------- Designs
 use vars qw(%defaultdesign);
@@ -269,7 +271,7 @@ BEGIN {
         }
     }
     &Apache::lonnet::logthis(
-              "<font color=yellow>INFO: Read file types</font>");
+             "<span style='color:yellow;'>INFO: Read file types</span>");
     $readit=1;
     }  # end of unless($readit) 
     
@@ -636,8 +638,15 @@ ENDSCRT
 }
 
 sub select_timezone {
-   my ($name,$selected,$onchange)=@_;
-   my $output="<select name='$name' $onchange>\n";
+   my ($name,$selected,$onchange,$includeempty)=@_;
+   my $output='<select name="'.$name.'" '.$onchange.'>'."\n";
+   if ($includeempty) {
+       $output .= '<option value=""';
+       if (($selected eq '') || ($selected eq 'local')) {
+           $output .= ' selected="selected" ';
+       }
+       $output .= '> </option>';
+   }
    my @timezones = DateTime::TimeZone->all_names;
    foreach my $tzone (@timezones) {
        $output.= '<option value="'.$tzone.'"';
@@ -650,6 +659,57 @@ sub select_timezone {
    return $output;
 }
 
+sub select_datelocale {
+    my ($name,$selected,$onchange,$includeempty)=@_;
+    my $output='<select name="'.$name.'" '.$onchange.'>'."\n";
+    if ($includeempty) {
+        $output .= '<option value=""';
+        if ($selected eq '') {
+            $output .= ' selected="selected" ';
+        }
+        $output .= '> </option>';
+    }
+    my (@possibles,%locale_names);
+    my @locales = DateTime::Locale::Catalog::Locales;
+    foreach my $locale (@locales) {
+        if (ref($locale) eq 'HASH') {
+            my $id = $locale->{'id'};
+            if ($id ne '') {
+                my $en_terr = $locale->{'en_territory'};
+                my $native_terr = $locale->{'native_territory'};
+                my @languages = &Apache::lonlocal::preferred_languages();
+                if (grep(/^en$/,@languages) || !@languages) {
+                    if ($en_terr ne '') {
+                        $locale_names{$id} = '('.$en_terr.')';
+                    } elsif ($native_terr ne '') {
+                        $locale_names{$id} = $native_terr;
+                    }
+                } else {
+                    if ($native_terr ne '') {
+                        $locale_names{$id} = $native_terr.' ';
+                    } elsif ($en_terr ne '') {
+                        $locale_names{$id} = '('.$en_terr.')';
+                    }
+                }
+                push (@possibles,$id);
+            }
+        }
+    }
+    foreach my $item (sort(@possibles)) {
+        $output.= '<option value="'.$item.'"';
+        if ($item eq $selected) {
+            $output.=' selected="selected"';
+        }
+        $output.=">$item";
+        if ($locale_names{$item} ne '') {
+            $output.="  $locale_names{$item}</option>\n";
+        }
+        $output.="</option>\n";
+    }
+    $output.="</select>";
+    return $output;
+}
+
 =pod
 
 =item * &linked_select_forms(...)
@@ -866,12 +926,12 @@ sub help_open_topic {
     if ($text ne "") {
 	$template .= 
             "<table bgcolor='#3333AA' cellspacing='1' cellpadding='1' border='0'><tr>".
-            "<td bgcolor='#5555FF'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
+            "<td bgcolor='#5555FF'><a target=\"_top\" href=\"$link\"><span style=\"color:#FFFFFF;font-size:10pt;\">$text</span></a>";
     }
 
     # Add the graphic
     my $title = &mt('Online Help');
-    my $helpicon=&lonhttpdurl("/res/adm/pages/help.png");
+    my $helpicon=&lonhttpdurl("/adm/help/help.png");
     $template .= <<"ENDTEMPLATE";
  <a target="_top" href="$link" title="$title"><img src="$helpicon" border="0" alt="(Help: $topic)" /></a>
 ENDTEMPLATE
@@ -897,6 +957,9 @@ sub helpLatexCheatsheet {
 	.'</td><td>'.
 	&Apache::loncommon::help_open_topic("Other_Symbols",&mt('Other Symbols'),
 					    undef,undef,600)
+	.'</td><td>'.
+	&Apache::loncommon::help_open_topic("Authoring_Output_Tags",&mt('Output Tags'),
+	                                    undef,undef,600)
 	.'</td></tr></table>';
 }
 
@@ -906,6 +969,8 @@ sub general_help {
 	$helptopic='Authoring_Intro';
     } elsif ($env{'request.role'}=~/^cc/) {
 	$helptopic='Course_Coordination_Intro';
+    } elsif ($env{'request.role'}=~/^dc/) {
+        $helptopic='Domain_Coordination_Intro';
     }
     return $helptopic;
 }
@@ -1063,7 +1128,7 @@ sub help_open_bug {
     {
 	$template .= 
   "<table bgcolor='#AA3333' cellspacing='1' cellpadding='1' border='0'><tr>".
-  "<td bgcolor='#FF5555'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
+  "<td bgcolor='#FF5555'><a target=\"_top\" href=\"$link\"><span style=\"color:#FFFFFF;font-size:10pt;\">$text</span></a>";
     }
 
     # Add the graphic
@@ -1108,7 +1173,7 @@ sub help_open_faq {
     {
 	$template .= 
   "<table bgcolor='#337733' cellspacing='1' cellpadding='1' border='0'><tr>".
-  "<td bgcolor='#448844'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
+  "<td bgcolor='#448844'><a target=\"_top\" href=\"$link\"><span style=\"color:#FFFFFF; font-size:10pt;\">$text</span></a>";
     }
 
     # Add the graphic
@@ -1495,9 +1560,9 @@ sub create_text_file {
     $fh = Apache::File->new('>/home/httpd'.$filename);
     if (! defined($fh)) {
         $r->log_error("Couldn't open $filename for output $!");
-        $r->print("Problems occured in creating the output file.  ".
-                  "This error has been logged.  ".
-                  "Please alert your LON-CAPA administrator.");
+        $r->print(&mt('Problems occurred in creating the output file. '
+                     .'This error has been logged. '
+                     .'Please alert your LON-CAPA administrator.'));
     }
     return ($fh,$filename)
 }
@@ -2703,10 +2768,7 @@ sub aboutmewrapper {
 
 
 sub syllabuswrapper {
-    my ($linktext,$coursedir,$domain,$fontcolor)=@_;
-    if ($fontcolor) { 
-        $linktext='<font color="'.$fontcolor.'">'.$linktext.'</font>'; 
-    }
+    my ($linktext,$coursedir,$domain)=@_;
     return qq{<a href="/public/$domain/$coursedir/syllabus">$linktext</a>};
 }
 
@@ -2933,7 +2995,7 @@ sub fileextensions {
 
 sub display_languages {
     my %languages=();
-    foreach my $lang (&preferred_languages()) {
+    foreach my $lang (&Apache::lonlocal::preferred_languages()) {
 	$languages{$lang}=1;
     }
     &get_unprocessed_cgi($ENV{'QUERY_STRING'},['displaylanguage']);
@@ -2945,54 +3007,9 @@ sub display_languages {
     return %languages;
 }
 
-sub preferred_languages {
-    my @languages=();
-    if (($env{'request.role.adv'}) && ($env{'form.languages'})) {
-        @languages=(@languages,split(/\s*(\,|\;|\:)\s*/,$env{'form.languages'}));
-    }
-    if ($env{'course.'.$env{'request.course.id'}.'.languages'}) {
-	@languages=(@languages,split(/\s*(\,|\;|\:)\s*/,
-	         $env{'course.'.$env{'request.course.id'}.'.languages'}));
-    }
-
-    if ($env{'environment.languages'}) {
-	@languages=(@languages,
-		    split(/\s*(\,|\;|\:)\s*/,$env{'environment.languages'}));
-    }
-    my $browser=$ENV{'HTTP_ACCEPT_LANGUAGE'};
-    if ($browser) {
-	my @browser = 
-	    map { (split(/\s*;\s*/,$_))[0] } (split(/\s*,\s*/,$browser));
-	push(@languages,@browser);
-    }
-
-    foreach my $domtype ($env{'user.domain'},$env{'request.role.domain'},
-                         $Apache::lonnet::perlvar{'lonDefDomain'}) {
-        if ($domtype ne '') {
-            my %domdefs = &Apache::lonnet::get_domain_defaults($domtype);
-            if ($domdefs{'lang_def'} ne '') {
-                push(@languages,$domdefs{'lang_def'});
-            }
-        }
-    }
-# turn "en-ca" into "en-ca,en"
-    my @genlanguages;
-    foreach my $lang (@languages) {
-	unless ($lang=~/\w/) { next; }
-	push(@genlanguages,$lang);
-	if ($lang=~/(\-|\_)/) {
-	    push(@genlanguages,(split(/(\-|\_)/,$lang))[0]);
-	}
-    }
-    #uniqueify the languages list
-    my %count;
-    @genlanguages = map { $count{$_}++ == 0 ? $_ : () } @genlanguages;
-    return @genlanguages;
-}
-
 sub languages {
     my ($possible_langs) = @_;
-    my @preferred_langs = &preferred_languages();
+    my @preferred_langs = &Apache::lonlocal::preferred_languages();
     if (!ref($possible_langs)) {
 	if( wantarray ) {
 	    return @preferred_langs;
@@ -3336,16 +3353,21 @@ sub pprmlink {
 
 
 sub timehash {
-    my @ltime=localtime(shift);
-    return ( 'seconds' => $ltime[0],
-             'minutes' => $ltime[1],
-             'hours'   => $ltime[2],
-             'day'     => $ltime[3],
-             'month'   => $ltime[4]+1,
-             'year'    => $ltime[5]+1900,
-             'weekday' => $ltime[6],
-             'dayyear' => $ltime[7]+1,
-             'dlsav'   => $ltime[8] );
+    my ($thistime) = @_;
+    my $timezone = &Apache::lonlocal::gettimezone();
+    my $dt = DateTime->from_epoch(epoch => $thistime)
+                     ->set_time_zone($timezone);
+    my $wday = $dt->day_of_week();
+    if ($wday == 7) { $wday = 0; }
+    return ( 'second' => $dt->second(),
+             'minute' => $dt->minute(),
+             'hour'   => $dt->hour(),
+             'day'     => $dt->day_of_month(),
+             'month'   => $dt->month(),
+             'year'    => $dt->year(),
+             'weekday' => $wday,
+             'dayyear' => $dt->day_of_year(),
+             'dlsav'   => $dt->is_dst() );
 }
 
 sub utc_string {
@@ -3355,6 +3377,24 @@ sub utc_string {
 
 sub maketime {
     my %th=@_;
+    my ($epoch_time,$timezone,$dt);
+    $timezone = &Apache::lonlocal::gettimezone();
+    eval {
+        $dt = DateTime->new( year   => $th{'year'},
+                             month  => $th{'month'},
+                             day    => $th{'day'},
+                             hour   => $th{'hour'},
+                             minute => $th{'minute'},
+                             second => $th{'second'},
+                             time_zone => $timezone,
+                         );
+    };
+    if (!$@) {
+        $epoch_time = $dt->epoch;
+        if ($epoch_time) {
+            return $epoch_time;
+        }
+    }
     return POSIX::mktime(
         ($th{'seconds'},$th{'minutes'},$th{'hours'},
          $th{'day'},$th{'month'}-1,$th{'year'}-1900,0,0,-1));
@@ -3735,6 +3775,60 @@ sub blocking_status {
 
 ###############################################
 
+sub check_ip_acc {
+    my ($acc)=@_;
+    &Apache::lonxml::debug("acc is $acc");
+    if (!defined($acc) || $acc =~ /^\s*$/ || $acc =~/^\s*no\s*$/i) {
+        return 1;
+    }
+    my $allowed=0;
+    my $ip=$env{'request.host'} || $ENV{'REMOTE_ADDR'};
+
+    my $name;
+    foreach my $pattern (split(',',$acc)) {
+        $pattern =~ s/^\s*//;
+        $pattern =~ s/\s*$//;
+        if ($pattern =~ /\*$/) {
+            #35.8.*
+            $pattern=~s/\*//;
+            if ($ip =~ /^\Q$pattern\E/) { $allowed=1; }
+        } elsif ($pattern =~ /(\d+\.\d+\.\d+)\.\[(\d+)-(\d+)\]$/) {
+            #35.8.3.[34-56]
+            my $low=$2;
+            my $high=$3;
+            $pattern=$1;
+            if ($ip =~ /^\Q$pattern\E/) {
+                my $last=(split(/\./,$ip))[3];
+                if ($last <=$high && $last >=$low) { $allowed=1; }
+            }
+        } elsif ($pattern =~ /^\*/) {
+            #*.msu.edu
+            $pattern=~s/\*//;
+            if (!defined($name)) {
+                use Socket;
+                my $netaddr=inet_aton($ip);
+                ($name)=gethostbyaddr($netaddr,AF_INET);
+            }
+            if ($name =~ /\Q$pattern\E$/i) { $allowed=1; }
+        } elsif ($pattern =~ /\d+\.\d+\.\d+\.\d+/) {
+            #127.0.0.1
+            if ($ip =~ /^\Q$pattern\E/) { $allowed=1; }
+        } else {
+            #some.name.com
+            if (!defined($name)) {
+                use Socket;
+                my $netaddr=inet_aton($ip);
+                ($name)=gethostbyaddr($netaddr,AF_INET);
+            }
+            if ($name =~ /\Q$pattern\E$/i) { $allowed=1; }
+        }
+        if ($allowed) { last; }
+    }
+    return $allowed;
+}
+
+###############################################
+
 =pod
 
 =head1 Domain Template Functions
@@ -3783,7 +3877,14 @@ sub get_domainconf {
         if (ref($domconfig{'login'}) eq 'HASH') {
             if (keys(%{$domconfig{'login'}})) {
                 foreach my $key (keys(%{$domconfig{'login'}})) {
-                    $designhash{$udom.'.login.'.$key}=$domconfig{'login'}{$key};
+                    if (ref($domconfig{'login'}{$key}) eq 'HASH') {
+                        foreach my $img (keys(%{$domconfig{'login'}{$key}})) {
+                            $designhash{$udom.'.login.'.$key.'_'.$img} = 
+                                $domconfig{'login'}{$key}{$img};
+                        }
+                    } else {
+                        $designhash{$udom.'.login.'.$key}=$domconfig{'login'}{$key};
+                    }
                 }
             } else {
                 $legacy{'login'} = 1;
@@ -4116,7 +4217,7 @@ ENDROLE
 		.'<b>'.&mt('Construction Space').'</b>:&nbsp;'
 		.'<form name="dirs" method="post" action="'.$formaction
 		.'" target="_top"><tt><b>'
-		.&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv','','+1',1)."<font size=\"+1\">$lastitem</font></b></tt><br />"
+		.&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv','','+1',1)."<span class=\"LC_fontsize_big\">$lastitem</span></b></tt><br />"
 		.&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()')
 		.'</form>'
 		.&Apache::lonmenu::constspaceform();
@@ -4290,6 +4391,8 @@ sub standard_css {
     my $vlink  = &designparm($function.'.vlink', $domain);
     my $link   = &designparm($function.'.link',  $domain);
 
+    my $loginbg = &designparm('login.sidebg',$domain);
+
     my $sans                 = 'Verdana,Arial,Helvetica,sans-serif';
     my $mono                 = 'monospace';
     my $data_table_head      = $tabbg;
@@ -4307,6 +4410,7 @@ sub standard_css {
     my $mail_other_hover     = '#669999';
     my $table_header         = '#DDDDDD';
     my $feedback_link_bg     = '#BBBBBB';
+    my $lg_border_color	     = '#C8C8C8';
 
     my $border = ($env{'browser.type'} eq 'explorer' ||
 		  $env{'browser.type'} eq 'safari'     ) ? '0px 2px 0px 2px'
@@ -4314,22 +4418,35 @@ sub standard_css {
 
 
     return <<END;
-h1, h2, h3, th { font-family: $sans }
+body{
+     font-family: $sans;
+     line-height:130%;
+     font-size:0.83em;
+     color:$font;
+  }
+a:link, a:visited { font-size:100%; }
+
 a:focus { color: red; background: yellow } 
 table.thinborder,
-
 table.thinborder tr th {
   border-style: solid;
   border-width: 1px;
+  border-color: $lg_border_color;
   background: $tabbg;
 }
 table.thinborder tr td {
   border-style: solid;
-  border-width: 1px
+  border-width: 1px;
+  border-color: $lg_border_color;
 }
 
 form, .inline { display: inline; }
 .center { text-align: center; }
+.left { text-align:left; }
+.right {text-align:right;}
+.middle {vertical-align:middle;}
+.top {vertical-align:top;}
+.bottom {vertical-align:bottom;}
 .LC_filename {font-family: $mono; white-space:pre;}
 .LC_error {
   color: red;
@@ -4391,7 +4508,6 @@ table#LC_title_bar.LC_with_remote {
   border-collapse: collapse;
   padding: 0px;
 }
-
 table.LC_docs_path {
   width: 100%;
   border: 0;
@@ -4426,21 +4542,15 @@ table#LC_title_bar td.LC_title_bar_role_
   padding: 0px;
 }
 
-table#LC_menubuttons_mainmenu {
-  width: 100%;
-  border: 0px;
-  border-spacing: 1px;
-  padding: 0px 1px;
-  margin: 0px;
-  border-collapse: separate;
-}
-table#LC_menubuttons img, table#LC_menubuttons_mainmenu img {
+table#LC_menubuttons img{
   border: 0px;
 }
 table#LC_top_nav td {
   background: $tabbg;
   border: 0px;
   font-size: small;
+  vertical-align:top;
+  padding:2px 5px 2px 5px;
 }
 table#LC_top_nav td a, div#LC_top_nav a {
   color: $font;
@@ -4481,21 +4591,41 @@ table.LC_docs_path td.LC_docs_path_compo
 td.LC_table_cell_checkbox {
   text-align: center;
 }
-
 table#LC_mainmenu td.LC_mainmenu_column {
     vertical-align: top;
 }
 
+.LC_fontsize_small
+{
+ font-size: 70%;
+}
+
+.LC_fontsize_medium
+{
+ font-size: 85%;
+}
+
+.LC_fontsize_large
+{
+ font-size: 120%;
+}
+
+.LC_fontcolor_red
+{
+ color: #FF0000;
+}
+
 .LC_menubuttons_inline_text {
   color: $font;
   font-family: $sans;
-  font-size: smaller;
+  font-size: 90%;
+  padding-left:3px;
 }
 
 .LC_menubuttons_link {
   text-decoration: none;
 }
-
+/*2008--9-5: new menu style sheet.Changed category*/
 .LC_menubuttons_category {
   color: $font;
   background: $pgbg;
@@ -4505,13 +4635,10 @@ table#LC_mainmenu td.LC_mainmenu_column
 }
 
 td.LC_menubuttons_text {
-  width: 90%;
-  color: $font;
-  font-family: $sans;
+ 	color: $font; 	
 }
 
-td.LC_menubuttons_img {
-}
+
 
 .LC_current_location {
   font-family: $sans;
@@ -4523,34 +4650,6 @@ td.LC_menubuttons_img {
   font-weight: bold;
 }
 
-.LC_rolesmenu_is {
-  font-family: $sans;
-}
-
-.LC_rolesmenu_selected {
-  font-family: $sans;
-}
-
-.LC_rolesmenu_future {
-  font-family: $sans;
-}
-
-
-.LC_rolesmenu_will {
-  font-family: $sans;
-}
-
-.LC_rolesmenu_will_not {
-  font-family: $sans;
-}
-
-.LC_rolesmenu_expired {
-  font-family: $sans;
-}
-
-.LC_rolesinfo {
-  font-family: $sans;
-}
 
 .LC_dropadd_labeltext {
   font-family: $sans;
@@ -4562,6 +4661,10 @@ td.LC_menubuttons_img {
   text-align: right;
 }
 
+.LC_roleslog_note {
+  font-size: small;
+}
+
 table.LC_aboutme_port {
   border: 0px;
   border-collapse: collapse;
@@ -4592,16 +4695,19 @@ table.LC_data_table tr th, table.LC_cale
 table.LC_prior_tries tr th {
   font-weight: bold;
   background-color: $data_table_head;
-  font-size: smaller;
+  font-size:90%;
 }
 table.LC_data_table tr.LC_odd_row > td, 
+table.LC_pick_box tr > td.LC_odd_row,
 table.LC_aboutme_port tr td {
   background-color: $data_table_light;
   padding: 2px;
 }
 table.LC_data_table tr.LC_even_row > td,
+table.LC_pick_box tr > td.LC_even_row,
 table.LC_aboutme_port tr.LC_even_row td {
   background-color: $data_table_dark;
+  padding: 2px;
 }
 table.LC_data_table tr.LC_data_table_highlight td {
   background-color: $data_table_darker;
@@ -4624,7 +4730,7 @@ table.LC_nested tr.LC_empty_row td {
 table.LC_nested_outer tr th {
   font-weight: bold;
   background-color: $data_table_head;
-  font-size: smaller;
+  font-size: small;
   border-bottom: 1px solid #000000;
 }
 table.LC_nested_outer tr td.LC_subheader {
@@ -4663,7 +4769,7 @@ table.LC_createuser {
 }
 
 table.LC_createuser tr.LC_section_row td {
-  font-size: smaller;
+  font-size: small;
 }
 
 table.LC_createuser tr.LC_info_row td  {
@@ -4719,71 +4825,46 @@ table.LC_mail_list tr.LC_mail_even {
 table.LC_mail_list tr.LC_mail_odd {
 }
 
-
-table#LC_portfolio_actions {
-  width: auto;
-  background: $pgbg;
-  border: 0px;
-  border-spacing: 2px 2px;
-  padding: 0px;
-  margin: 0px;
-  border-collapse: separate;
-}
-table#LC_portfolio_actions td.LC_label {
-  background: $tabbg;
-  text-align: right;
+table.LC_data_table tr > td.LC_browser_file,
+table.LC_data_table tr > td.LC_browser_file_published {
+  background: #CCFF88;
 }
-table#LC_portfolio_actions td.LC_value {
-  background: $tabbg;
+table.LC_data_table tr > td.LC_browser_file_locked,
+table.LC_data_table tr > td.LC_browser_file_unpublished {
+  background: #FFAA99;
 }
-
-table#LC_cstr_controls {
-  width: 100%;
-  border-collapse: collapse;
+table.LC_data_table tr > td.LC_browser_file_obsolete {
+  background: #AAAAAA;
 }
-table#LC_cstr_controls tr td {
-  border: 4px solid $pgbg;
-  padding: 4px;
-  text-align: center;
-  background: $tabbg;
+table.LC_data_table tr > td.LC_browser_file_modified,
+table.LC_data_table tr > td.LC_browser_file_metamodified {
+  background: #FFFF77;
 }
-table#LC_cstr_controls tr th {
-  border: 4px solid $pgbg;
-  background: $table_header;
-  text-align: center;
-  font-family: $sans;
-  font-size: smaller;
+table.LC_data_table tr.LC_browser_folder > td {
+  background: #CCCCFF;
 }
 
-table#LC_browser {
- 
-}
-table#LC_browser tr th {
-  background: $table_header;
+table.LC_data_table tr > td.LC_roles_is {
+/*  background: #77FF77; */
 }
-table#LC_browser tr td {
-  padding: 2px;
-}
-table#LC_browser tr.LC_browser_file,
-table#LC_browser tr.LC_browser_file_published {
-  background: #CCFF88;
+table.LC_data_table tr > td.LC_roles_future {
+  background: #FFFF77;
 }
-table#LC_browser tr.LC_browser_file_locked,
-table#LC_browser tr.LC_browser_file_unpublished {
-  background: #FFAA99;
+table.LC_data_table tr > td.LC_roles_will {
+  background: #FFAA77;
 }
-table#LC_browser tr.LC_browser_file_obsolete {
-  background: #AAAAAA;
+table.LC_data_table tr > td.LC_roles_expired {
+  background: #FF7777;
 }
-table#LC_browser tr.LC_browser_file_modified,
-table#LC_browser tr.LC_browser_file_metamodified {
-  background: #FFFF77;
+table.LC_data_table tr > td.LC_roles_will_not {
+  background: #AAFF77;
 }
-table#LC_browser tr.LC_browser_folder {
-  background: #CCCCFF;
+table.LC_data_table tr > td.LC_roles_selected {
+  background: #11CC55;
 }
+
 span.LC_current_location {
-  font-size: x-large;
+  font-size:larger;
   background: $pgbg;
 }
 
@@ -5227,23 +5308,6 @@ div.LC_clear_float_footer {
 }
 
 
-div.LC_grade_select_mode {
-  font-family: $sans;
-}
-div.LC_grade_select_mode div div {
-  margin: 5px;
-}
-div.LC_grade_select_mode_selector {
-  margin: 5px;
-  float: left;
-}
-div.LC_grade_select_mode_selector_header {
-  font: bold medium $sans;
-}
-div.LC_grade_select_mode_type {
-  clear: left;
-}
-
 div.LC_grade_show_user {
   margin-top: 20px;
   border: 1px solid black;
@@ -5251,7 +5315,8 @@ div.LC_grade_show_user {
 div.LC_grade_user_name {
   background: #DDDDEE;
   border-bottom: 1px solid black;
-  font: bold large $sans;
+  font-weight: bold;
+  font-size: large;
 }
 div.LC_grade_show_user_odd_row div.LC_grade_user_name {
   background: #DDEEDD;
@@ -5270,7 +5335,8 @@ div.LC_grade_show_problem_header,
 div.LC_grade_submissions_header,
 div.LC_grade_message_center_header,
 div.LC_grade_assign_header {
-  font: bold large $sans;
+  font-weight: bold;
+  font-size: large;
 }
 div.LC_grade_show_problem_problem,
 div.LC_grade_submissions_body,
@@ -5281,7 +5347,8 @@ div.LC_grade_assign_body {
   background: #FFFFFF;
 }
 span.LC_grade_check_note {
-  font: normal medium $sans;
+  font-weight: normal;
+  font-size: medium;
   display: inline;
   position: absolute;
   right: 1em;
@@ -5291,12 +5358,13 @@ table.LC_scantron_action {
   width: 100%;
 }
 table.LC_scantron_action tr th {
-  font: normal bold $sans;
+  font-weight:bold;
+  font-style:normal;
 }
-
-div.LC_edit_problem_header, 
+.LC_edit_problem_header, 
 div.LC_edit_problem_footer {
-  font: normal medium $sans;
+  font-weight: normal;
+  font-size:  medium;
   margin: 2px;
 }
 div.LC_edit_problem_header,
@@ -5313,12 +5381,14 @@ div.LC_edit_problem_header_edit_row {
   margin-bottom: 5px;
 }
 div.LC_edit_problem_header_title {
-  font: larger bold $sans;
+  font-weight: bold;
+  font-size: larger;
   background: $tabbg;
   padding: 3px;
 }
 table.LC_edit_problem_header_title {
-  font: larger bold $sans;
+  font-size: larger;
+  font-weight:  bold;
   width: 100%;
   border-color: $pgbg;
   border-style: solid;
@@ -5344,6 +5414,326 @@ hr.LC_edit_problem_divide {
   height: 3px;
   border: 0px;
 }
+img.stift{
+  border-width:0;
+  vertical-align:middle;
+}
+
+table#LC_mainmenu{
+ margin-top:10px;
+ width:80%;
+
+}
+
+table#LC_mainmenu td.LC_mainmenu_col_fieldset{
+  vertical-align: top;
+  width: 45%;
+}
+.LC_mainmenu_fieldset_category {
+  color: $font;
+  background: $pgbg;
+  font-family: $sans;
+  font-size: small;
+  font-weight: bold;
+}
+
+/* ---- Remove when done ----
+# The following styles is part of the redesign of LON-CAPA and are
+# subject to change during this project.
+# Don't rely on their current functionality as they might be 
+# changed or removed.
+# --------------------------*/
+
+a:hover,
+ol.smallMenu a:hover,
+ol#MenuBreadcrumbs a:hover,
+ul#TabMainMenuContent a:hover,
+.FormSectionClearButton input:hover{
+	color:#BF2317;
+        text-decoration:none;
+}
+
+h1 { 
+	padding:5px 10px 5px 0px;
+	line-height:130%;
+}
+
+h2,h3,h4,h5,h6
+{
+margin:5px 0px 5px 0px;
+line-height:130%;
+}
+.hcell{
+        padding:3px 15px 3px 15px;
+        margin:0px;
+	background-color:$tabbg;
+	border-bottom:solid 1px $lg_border_color;       
+}
+.noBorder {
+        border:0px;
+}
+/*
+.bgLightGrey { background:URL(images/TabMenuBG.png) repeat-x left top; }
+.bgLightGreyYellow {background-color:#EFECE0;}
+*/
+
+
+/* Main Header with discription of Person, Course, etc. */
+.HeadRight {
+	text-align: right;
+	float: right;
+	margin: 0px;
+	padding: 0px;
+        right:0;
+        position:absolute;
+        overflow:hidden;
+}
+
+p {
+	padding: 10px;
+
+}
+.FormSectionClearButton input {
+        background-color:transparent;
+        border:0px;
+        cursor:pointer;
+        text-decoration:underline;
+}
+
+
+dl,ul,div,fieldset {
+	margin: 10px 10px 10px 0px;
+	overflow:hidden;
+}
+ol.smallMenu {
+	margin: 0px;
+}
+
+ol.smallMenu li {
+	display: inline;
+	padding: 5px 5px 0px 10px;
+	vertical-align: top;
+}
+
+ol.smallMenu li img {
+	vertical-align: bottom;
+}
+
+ol.smallMenu a {
+	font-size: 90%;
+	color: RGB(80, 80, 80);
+	text-decoration: none;
+}
+
+ol#TabMainMenuContent {
+	
+	margin: 0px 0px 10px 0px;
+	padding: 0px;
+}
+
+ol#TabMainMenuContent li {
+	display: inline;
+	vertical-align: bottom;
+	border-bottom: solid 1px RGB(175, 175, 175);
+	border-right: solid 1px RGB(175, 175, 175);
+	padding: 5px 15px 5px 15px;
+	margin-right:4px;
+	line-height: 140%;
+	font-weight: bold;
+	overflow:hidden;
+/*	background: RGB(211, 206, 205) URL(images/TabMenuBG.png) repeat-x left top;*/
+}
+
+ol#TabMainMenuContent li a{
+	color: RGB(47, 47, 47);
+	text-decoration: none;
+}
+
+ol#TabMainMenuContent div.columnSection {
+	margin-bottom: 0px;
+}
+
+ol#MenuBreadcrumbs, ol#PathBreadcrumbs {
+	border-top: solid 1px RGB(255, 255, 255);
+	height: 20px;
+	line-height: 20px;
+	vertical-align: bottom;
+	margin: 0px 0px 30px 0px;
+	padding-left: 10px;
+	list-style-position: inside;
+/*	background: RGB(211, 206, 205) URL(images/TabMenuBG.png) repeat-x left
+		top;*/
+}
+
+ol#MenuBreadcrumbs li, ol#PathBreadcrumbs li {
+/*	background: url(images/pfeil_white.png) no-repeat left center;*/
+	display: inline;
+	padding: 0px 0px 0px 10px;
+	vertical-align: bottom;
+	overflow:hidden;
+}
+
+ol#MenuBreadcrumbs li a {
+	text-decoration: none;
+	font-size:90%;
+}
+ol#PathBreadcrumbs li a{
+	text-decoration:none;
+	font-size:100%;
+	font-weight:bold;
+}
+
+.ContentBoxSpecial
+{
+	border: solid 1px $lg_border_color;
+}
+.ContentBox {
+	padding:10px;
+}
+.PopUp
+{
+	padding:10px;
+	border-left:solid 1px $lg_border_color;
+ 	border-top:solid 1px $lg_border_color;
+	border-bottom:outset 1px $lg_border_color;
+	border-right:outset 1px $lg_border_color;
+	display:none;
+	position:absolute;
+	right:0;
+	background-color:white;
+	z-index:5;
+}
+
+dl.ListStyleClean dt {
+	padding-right: 5px;
+	display: table-header-group;
+}
+
+dl.ListStyleClean dd {
+	display: table-row;
+}
+
+.ListStyleClean,
+.ListStyleSimple,
+.ListStyleNormal,
+.ListStyleNormal_Border,
+.ListStyleSpecial
+	{
+	/*display:block;	*/
+	list-style-position: inside;
+	list-style-type: none;
+	overflow: hidden;
+	padding: 0px;
+}
+
+.ListStyleSimple li,
+.ListStyleSimple dd,
+.ListStyleNormal li,
+.ListStyleNormal dd,
+.ListStyleSpecial li,
+.ListStyleSpecial dd
+	{
+	margin: 0px;
+	padding: 5px 5px 5px 10px;
+	clear: both;
+}
+
+.ListStyleClean li,
+.ListStyleClean dd {
+	padding-top: 0px;
+	padding-bottom: 0px;
+}
+
+.ListStyleSimple dd,
+.ListStyleSimple li{
+	border-bottom: solid 1px $lg_border_color;
+}
+
+.ListStyleSpecial li,
+.ListStyleSpecial dd {
+	list-style-type: none;
+	background-color: RGB(220, 220, 220);
+	margin-bottom: 4px;
+}
+
+table.SimpleTable {
+	margin:5px;
+	border:solid 1px $lg_border_color;
+	}
+
+table.SimpleTable tr {
+	padding:0px;
+	border:solid 1px $lg_border_color;
+}
+table.SimpleTable thead{
+	 background:rgb(220,220,220);
+}
+
+div.columnSection {
+	display: block;
+	clear: both;
+	overflow: hidden;
+	margin:0px;
+}
+
+div.columnSection>* {
+	float: left;
+	margin: 10px 20px 10px 0px;
+	overflow:hidden;	
+}
+div.columnSection > .ContentBox,
+div.columnSection > .ContentBoxSpecial
+	{
+	width: 400px;
+	
+}
+
+.LC_loginpage_container {
+	text-align:left;
+	margin : 0 auto;
+	width:65%;
+	padding: 10px;
+	height: auto;
+#	background-color:#FFFFFF;
+	background-color:$loginbg;
+	border:1px solid #CCCCCC;
+}
+
+
+.LC_loginpage_loginContainer {
+	float:left;
+	width:60%;
+}
+
+.LC_loginpage_loginInfo {
+	margin-top:20px;
+	margin-left:20px;
+	float:left;
+	width:30%;
+	border:1px solid #CCCCCC;
+	padding:10px;
+}
+
+.LC_loginpage_space {
+	clear:both;
+	margin-bottom:20px;
+	border-bottom: 1px solid #CCCCCC;
+}
+
+.LC_loginpage_fieldset{
+	border: 1px solid #CCCCCC;
+	margin: 0 auto;
+}
+
+.LC_loginpage_legend{
+	padding: 2px;
+	margin: 0px;
+	font-size:14px;
+	font-weight:bold;
+}
+
+
+
 END
 }
 
@@ -5758,7 +6148,7 @@ sub simple_error_page {
     }
 
     sub start_data_table_empty_row {
-	$row_count[0]++;
+#	$row_count[0]++;
 	return  '<tr class="LC_empty_row" >'."\n";;
     }
 
@@ -6792,12 +7182,16 @@ sub instrule_disallow_msg {
             $text{'action'} = 'IDs';
         }
     }
-    $response = &mt("The $text{'item'} you chose $text{'match'} the format of $text{'items'} defined for <span class=\"LC_cusr_emph\">[_1]</span>, but the $text{'item'} $text{'do'} not exist in the institutional directory.",$domdesc).'<br />';
+    $response = &mt("The $text{'item'} you chose $text{'match'} the format of $text{'items'} defined for [_1], but the $text{'item'} $text{'do'} not exist in the institutional directory.",'<span class="LC_cusr_emph">'.$domdesc.'</span>').'<br />';
     if ($mode eq 'upload') {
         if ($checkitem eq 'username') {
             $response .= &mt("You will need to modify your upload file so it will include $text{'action'} with a different format --  $text{'one'} that will not conflict with 'official' institutional $text{'items'}.");
         } elsif ($checkitem eq 'id') {
-            $response .= &mt("Either upload a file which includes $text{'action'} with a different format --  $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or when associating fields with data columns, omit an association for the ID/Student Number field.");
+            $response .= &mt("Either upload a file which includes $text{'action'} with a different format --  $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or when associating fields with data columns, omit an association for the Student/Employee ID field.");
+        }
+    } elsif ($mode eq 'selfcreate') {
+        if ($checkitem eq 'id') {
+            $response .= &mt("You must either choose $text{'action'} with a different format --  $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or leave the ID field blank.");
         }
     } else {
         if ($checkitem eq 'username') {
@@ -6827,7 +7221,7 @@ sub sorted_inst_types {
     my ($usertypes,$order) = &Apache::lonnet::retrieve_inst_usertypes($dom);
     my $othertitle = &mt('All users');
     if ($env{'request.course.id'}) {
-        $othertitle  = 'any';
+        $othertitle  = &mt('Any users');
     }
     my @types;
     if (ref($order) eq 'ARRAY') {
@@ -6840,9 +7234,6 @@ sub sorted_inst_types {
     }
     if (keys(%{$usertypes}) > 0) {
         $othertitle = &mt('Other users');
-        if ($env{'request.course.id'}) {
-            $othertitle = 'other';
-        }
     }
     return ($othertitle,$usertypes,\@types);
 }
@@ -7028,6 +7419,232 @@ sub get_env_multiple {
     return(@values);
 }
 
+sub ask_for_embedded_content {
+    my ($actionurl,$state,$allfiles,$codebase,$args)=@_;
+    my $upload_output = '
+   <form name="upload_embedded" action="'.$actionurl.'"
+                  method="post" enctype="multipart/form-data">';
+    $upload_output .= $state;
+    $upload_output .= '<b>Upload embedded files</b>:<br />'.&start_data_table();
+
+    my $num = 0;
+    foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%{$allfiles})) {
+        $upload_output .= &start_data_table_row().
+            '<td>'.$embed_file.'</td><td>';
+        if ($args->{'ignore_remote_references'}
+            && $embed_file =~ m{^\w+://}) {
+            $upload_output.='<span class="LC_warning">'.&mt("URL points to other server.").'</span>';
+        } elsif ($args->{'error_on_invalid_names'}
+            && $embed_file ne &Apache::lonnet::clean_filename($embed_file,{'keep_path' => 1,})) {
+
+            $upload_output.='<span class="LC_warning">'.&mt("Invalid characters").'</span>';
+
+        } else {
+            $upload_output .='
+           <input name="embedded_item_'.$num.'" type="file" value="" />
+           <input name="embedded_orig_'.$num.'" type="hidden" value="'.&escape($embed_file).'" />';
+            my $attrib = join(':',@{$$allfiles{$embed_file}});
+            $upload_output .=
+                "\n\t\t".
+                '<input name="embedded_attrib_'.$num.'" type="hidden" value="'.
+                $attrib.'" />';
+            if (exists($$codebase{$embed_file})) {
+                $upload_output .=
+                    "\n\t\t".
+                    '<input name="codebase_'.$num.'" type="hidden" value="'.
+                    &escape($$codebase{$embed_file}).'" />';
+            }
+        }
+        $upload_output .= '</td>'.&Apache::loncommon::end_data_table_row();
+        $num++;
+    }
+    $upload_output .= &Apache::loncommon::end_data_table().'<br />
+   <input type ="hidden" name="number_embedded_items" value="'.$num.'" />
+   <input type ="submit" value="'.&mt('Upload Listed Files').'" />
+   '.&mt('(only files for which a location has been provided will be uploaded)').'
+   </form>';
+    return $upload_output;
+}
+
+sub upload_embedded {
+    my ($context,$dirpath,$uname,$udom,$dir_root,$url_root,$group,$disk_quota,
+        $current_disk_usage) = @_;
+    my $output;
+    for (my $i=0; $i<$env{'form.number_embedded_items'}; $i++) {
+        next if (!exists($env{'form.embedded_item_'.$i.'.filename'}));
+        my $orig_uploaded_filename =
+            $env{'form.embedded_item_'.$i.'.filename'};
+
+        $env{'form.embedded_orig_'.$i} =
+            &unescape($env{'form.embedded_orig_'.$i});
+        my ($path,$fname) =
+            ($env{'form.embedded_orig_'.$i} =~ m{(.*/)([^/]*)});
+        # no path, whole string is fname
+        if (!$fname) { $fname = $env{'form.embedded_orig_'.$i} };
+
+        $path = $env{'form.currentpath'}.$path;
+        $fname = &Apache::lonnet::clean_filename($fname);
+        # See if there is anything left
+        next if ($fname eq '');
+
+        # Check if file already exists as a file or directory.
+        my ($state,$msg);
+        if ($context eq 'portfolio') {
+            my $port_path = $dirpath;
+            if ($group ne '') {
+                $port_path = "groups/$group/$port_path";
+            }
+            ($state,$msg) = &check_for_upload($path,$fname,$group,'embedded_item_'.$i,
+                                              $dir_root,$port_path,$disk_quota,
+                                              $current_disk_usage,$uname,$udom);
+            if ($state eq 'will_exceed_quota'
+                || $state eq 'file_locked'
+                || $state eq 'file_exists' ) {
+                $output .= $msg;
+                next;
+            }
+        } elsif (($context eq 'author') || ($context eq 'testbank')) {
+            ($state,$msg) = &check_for_existing($path,$fname,'embedded_item_'.$i);
+            if ($state eq 'exists') {
+                $output .= $msg;
+                next;
+            }
+        }
+        # Check if extension is valid
+        if (($fname =~ /\.(\w+)$/) &&
+            (&Apache::loncommon::fileembstyle($1) eq 'hdn')) {
+            $output .= &mt('Invalid file extension ([_1]) - reserved for LONCAPA use - rename the file with a different extension and re-upload. ',$1);
+            next;
+        } elsif (($fname =~ /\.(\w+)$/) &&
+                 (!defined(&Apache::loncommon::fileembstyle($1)))) {
+            $output .= &mt('Unrecognized file extension ([_1]) - rename the file with a proper extension and re-upload.',$1);
+            next;
+        } elsif ($fname=~/\.(\d+)\.(\w+)$/) {
+            $output .= &mt('File name not allowed - rename the file to remove the number immediately before the file extension([_1]) and re-upload.',$2);
+            next;
+        }
+
+        $env{'form.embedded_item_'.$i.'.filename'}=$fname;
+        if ($context eq 'portfolio') {
+            my $result=
+                &Apache::lonnet::userfileupload('embedded_item_'.$i,'',
+                                                $dirpath.$path);
+            if ($result !~ m|^/uploaded/|) {
+                $output .= '<span class="LC_error">'
+                      .&mt('An error occurred ([_1]) while trying to upload [_2] for embedded element [_3].'
+                           ,$result,$orig_uploaded_filename,$env{'form.embedded_orig_'.$i})
+                      .'</span><br />';
+                next;
+            } else {
+                $output .= '<p>'.&mt('Uploaded [_1]','<span class="LC_filename">'.
+                           $path.$fname.'</span>').'</p>';     
+            }
+        } else {
+# Save the file
+            my $target = $env{'form.embedded_item_'.$i};
+            my $fullpath = $dir_root.$dirpath.'/'.$path;
+            my $dest = $fullpath.$fname;
+            my $url = $url_root.$dirpath.'/'.$path.$fname;
+            my @parts=split(/\//,$fullpath);
+            my $count;
+            my $filepath = $dir_root;
+            for ($count=4;$count<=$#parts;$count++) {
+                $filepath .= "/$parts[$count]";
+                if ((-e $filepath)!=1) {
+                    mkdir($filepath,0770);
+                }
+            }
+            my $fh;
+            if (!open($fh,'>'.$dest)) {
+                &Apache::lonnet::logthis('Failed to create '.$dest);
+                $output .= '<span class="LC_error">'.
+                           &mt('An error occurred while trying to upload [_1] for embedded element [_2].',$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}).
+                           '</span><br />';
+            } else {
+                if (!print $fh $env{'form.embedded_item_'.$i}) {
+                    &Apache::lonnet::logthis('Failed to write to '.$dest);
+                    $output .= '<span class="LC_error">'.
+                              &mt('An error occurred while writing the file [_1] for embedded element [_2].',$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}).
+                              '</span><br />';
+                } else {
+                    if ($context eq 'testbank') {
+                        $output .= &mt('Embedded file uploaded successfully:').
+                                   '&nbsp;<a href="'.$url.'">'.
+                                   $orig_uploaded_filename.'</a><br />';
+                    } else {
+                        $output .= '<span class=\"LC_fontsize_large\">'.
+                                   &mt('View embedded file: [_1]','<a href="'.$url.'">'.
+                                   $orig_uploaded_filename.'</a>').'</span><br />';
+                    }
+                }
+                close($fh);
+            }
+        }
+    }
+    return $output;
+}
+
+sub check_for_existing {
+    my ($path,$fname,$element) = @_;
+    my ($state,$msg);
+    if (-d $path.'/'.$fname) {
+        $state = 'exists';
+        $msg = &mt('Unable to upload [_1]. A directory by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$path);
+    } elsif (-e $path.'/'.$fname) {
+        $state = 'exists';
+        $msg = &mt('Unable to upload [_1]. A file by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$path);
+    }
+    if ($state eq 'exists') {
+        $msg = '<span class="LC_error">'.$msg.'</span><br />';
+    }
+    return ($state,$msg);
+}
+
+sub check_for_upload {
+    my ($path,$fname,$group,$element,$portfolio_root,$port_path,
+        $disk_quota,$current_disk_usage,$uname,$udom) = @_;
+    my $filesize = (length($env{'form.'.$element})) / 1000; #express in k (1024?)
+    my $getpropath = 1;
+    my @dir_list = &Apache::lonnet::dirlist($portfolio_root.$path,$udom,$uname,
+                                            $getpropath);
+    my $found_file = 0;
+    my $locked_file = 0;
+    foreach my $line (@dir_list) {
+        my ($file_name)=split(/\&/,$line,2);
+        if ($file_name eq $fname){
+            $file_name = $path.$file_name;
+            if ($group ne '') {
+                $file_name = $group.$file_name;
+            }
+            $found_file = 1;
+            if (&Apache::lonnet::is_locked($file_name,$udom,$uname) eq 'true') {
+                $locked_file = 1;
+            }
+        }
+    }
+    if (($current_disk_usage + $filesize) > $disk_quota){
+        my $msg = '<span class="LC_error">'.
+                &mt('Unable to upload [_1]. (size = [_2] kilobytes). Disk quota will be exceeded.','<span class="LC_filename">'.$fname.'</span>',$filesize).'</span>'.
+                  '<br />'.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.',$disk_quota,$current_disk_usage);
+        return ('will_exceed_quota',$msg);
+    } elsif ($found_file) {
+        if ($locked_file) {
+            my $msg = '<span class="LC_error">';
+            $msg .= &mt('Unable to upload [_1]. A locked file by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>','<span class="LC_filename">'.$port_path.$env{'form.currentpath'}.'</span>');
+            $msg .= '</span><br />';
+            $msg .= &mt('You will be able to rename or delete existing [_1] after a grade has been assigned.','<span class="LC_filename">'.$fname.'</span>');
+            return ('file_locked',$msg);
+        } else {
+            my $msg = '<span class="LC_error">';
+            $msg .= &mt('Unable to upload [_1]. A file by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$port_path.$env{'form.currentpath'});
+            $msg .= '</span>';
+            $msg .= '<br />';
+            $msg .= &mt('To upload, rename or delete existing [_1] in [_2].','<span class="LC_filename">'.$fname.'</span>', $port_path.$env{'form.currentpath'});
+            return ('file_exists',$msg);
+        }
+    }
+}
+
 
 =pod
 
@@ -7257,7 +7874,7 @@ Apache Request ref, $records is an array
 ######################################################
 sub csv_print_samples {
     my ($r,$records) = @_;
-    my $samples = &get_samples($records,3);
+    my $samples = &get_samples($records,5);
 
     $r->print(&mt('Samples').'<br />'.&start_data_table().
               &start_data_table_header_row());
@@ -7312,7 +7929,7 @@ sub csv_print_select_table {
 	foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
 	    $r->print('<option value="'.$sample.'"'.
                       ($sample eq $defaultcol ? ' selected="selected" ' : '').
-                      '>Column '.($sample+1).'</option>');
+                      '>'.&mt('Column [_1]',($sample+1)).'</option>');
 	}
 	$r->print('</select></td>'.&end_data_table_row()."\n");
 	$i++;
@@ -7343,7 +7960,8 @@ sub csv_samples_select_table {
     my ($r,$records,$d) = @_;
     my $i=0;
     #
-    my $samples = &get_samples($records,3);
+    my $max_samples = 5;
+    my $samples = &get_samples($records,$max_samples);
     $r->print(&start_data_table().
               &start_data_table_header_row().'<th>'.
               &mt('Field').'</th><th>'.&mt('Samples').'</th>'.
@@ -7359,7 +7977,7 @@ sub csv_samples_select_table {
                       $display.'</option>');
 	}
 	$r->print('</select></td><td>');
-	foreach my $line (0..2) {
+	foreach my $line (0..($max_samples-1)) {
 	    if (defined($samples->[$line]{$key})) { 
 		$r->print($samples->[$line]{$key}."<br />\n"); 
 	    }
@@ -8000,8 +8618,10 @@ sub build_recipient_list {
     } elsif ($origmail ne '') {
         push(@recipients,$origmail);
     }
-    if ($defmail ne '') {
-        push(@recipients,$defmail);
+    if (defined($defmail)) {
+        if ($defmail ne '') {
+            push(@recipients,$defmail);
+        }
     }
     if ($otheremails) {
         my @others;
@@ -8037,11 +8657,15 @@ domain - to an array.  Also generates ja
 generate Domain Coordinator interface for editing Course Categories.
 
 Inputs:
+
 categories (reference to hash of category definitions).
+
 cats (reference to array of arrays/hashes which encapsulates hierarchy of
       categories and subcategories).
+
 idx (reference to hash of counters used in Domain Coordinator interface for 
       editing Course Categories).
+
 jsarray (reference to array of categories used to create Javascript arrays for
          Domain Coordinator interface for editing Course Categories).
 
@@ -8084,17 +8708,26 @@ sub gather_categories {
 Used to generate breadcrumb trails for course categories.
 
 Inputs:
+
 categories (reference to hash of category definitions).
+
 cats (reference to array of arrays/hashes which encapsulates hierarchy of
       categories and subcategories).
+
 trails (reference to array of breacrumb trails for each category).
+
 allitems (reference to hash - key is category key 
          (format: escaped(name):escaped(parent category):depth in hierarchy).
+
 idx (reference to hash of counters used in Domain Coordinator interface for
       editing Course Categories).
+
 jsarray (reference to array of categories used to create Javascript arrays for
          Domain Coordinator interface for editing Course Categories).
 
+subcats (reference to hash of arrays containing all subcategories within each 
+         category, -recursive)
+
 Returns: nothing
 
 Side effects: populates trails and allitems hash references.
@@ -8102,7 +8735,7 @@ Side effects: populates trails and allit
 =cut
 
 sub extract_categories {
-    my ($categories,$cats,$trails,$allitems,$idx,$jsarray) = @_;
+    my ($categories,$cats,$trails,$allitems,$idx,$jsarray,$subcats) = @_;
     if (ref($categories) eq 'HASH') {
         &gather_categories($categories,$cats,$idx,$jsarray);
         if (ref($cats->[0]) eq 'ARRAY') {
@@ -8123,7 +8756,14 @@ sub extract_categories {
                 if (ref($cats->[1]{$name}) eq 'ARRAY') {
                     for (my $j=0; $j<@{$cats->[1]{$name}}; $j++) {
                         my $category = $cats->[1]{$name}[$j];
-                        &recurse_categories($cats,2,$category,$trails,$allitems,\@parents);
+                        if (ref($subcats) eq 'HASH') {
+                            push(@{$subcats->{$item}},&escape($category).':'.&escape($name).':1');
+                        }
+                        &recurse_categories($cats,2,$category,$trails,$allitems,\@parents,$subcats);
+                    }
+                } else {
+                    if (ref($subcats) eq 'HASH') {
+                        $subcats->{$item} = [];
                     }
                 }
             }
@@ -8139,13 +8779,19 @@ sub extract_categories {
 Recursively used to generate breadcrumb trails for course categories.
 
 Inputs:
+
 cats (reference to array of arrays/hashes which encapsulates hierarchy of
       categories and subcategories).
+
 depth (current depth in hierarchy of categories and sub-categories - 0 indexed).
-category (current course category, for which breadcrumb trail is being generated).   
-trails (reference to array of breacrumb trails for each category).
+
+category (current course category, for which breadcrumb trail is being generated).
+
+trails (reference to array of breadcrumb trails for each category).
+
 allitems (reference to hash - key is category key
          (format: escaped(name):escaped(parent category):depth in hierarchy).
+
 parents (array containing containers directories for current category, 
          back to top level). 
 
@@ -8153,12 +8799,10 @@ Returns: nothing
 
 Side effects: populates trails and allitems hash references
 
-=back
-
 =cut
 
 sub recurse_categories {
-    my ($cats,$depth,$category,$trails,$allitems,$parents) = @_;
+    my ($cats,$depth,$category,$trails,$allitems,$parents,$subcats) = @_;
     my $shallower = $depth - 1;
     if (ref($cats->[$depth]{$category}) eq 'ARRAY') {
         for (my $k=0; $k<@{$cats->[$depth]{$category}}; $k++) {
@@ -8171,7 +8815,21 @@ sub recurse_categories {
             }
             my $deeper = $depth+1;
             push(@{$parents},$category);
-            &recurse_categories($cats,$deeper,$name,$trails,$allitems,$parents);
+            if (ref($subcats) eq 'HASH') {
+                my $subcat = &escape($name).':'.$category.':'.$depth;
+                for (my $j=@{$parents}; $j>=0; $j--) {
+                    my $higher;
+                    if ($j > 0) {
+                        $higher = &escape($parents->[$j]).':'.
+                                  &escape($parents->[$j-1]).':'.$j;
+                    } else {
+                        $higher = &escape($parents->[$j]).'::'.$j;
+                    }
+                    push(@{$subcats->{$higher}},$subcat);
+                }
+            }
+            &recurse_categories($cats,$deeper,$name,$trails,$allitems,$parents,
+                                $subcats);
             pop(@{$parents});
         }
     } else {
@@ -8185,17 +8843,147 @@ sub recurse_categories {
     return;
 }
 
+=pod
+
+=item *&assign_categories_table()
+
+Create a datatable for display of hierarchical categories in a domain,
+with checkboxes to allow a course to be categorized. 
+
+Inputs:
+
+cathash - reference to hash of categories defined for the domain (from
+          configuration.db)
+
+currcat - scalar with an & separated list of categories assigned to a course. 
+
+Returns: $output (markup to be displayed) 
+
+=cut
+
+sub assign_categories_table {
+    my ($cathash,$currcat) = @_;
+    my $output;
+    if (ref($cathash) eq 'HASH') {
+        my (@cats,@trails,%allitems,%idx,@jsarray,@path,$maxdepth);
+        &extract_categories($cathash,\@cats,\@trails,\%allitems,\%idx,\@jsarray);
+        $maxdepth = scalar(@cats);
+        if (@cats > 0) {
+            my $itemcount = 0;
+            if (ref($cats[0]) eq 'ARRAY') {
+                $output = &Apache::loncommon::start_data_table();
+                my @currcategories;
+                if ($currcat ne '') {
+                    @currcategories = split('&',$currcat);
+                }
+                for (my $i=0; $i<@{$cats[0]}; $i++) {
+                    my $parent = $cats[0][$i];
+                    my $css_class = $itemcount%2?' class="LC_odd_row"':'';
+                    next if ($parent eq 'instcode');
+                    my $item = &escape($parent).'::0';
+                    my $checked = '';
+                    if (@currcategories > 0) {
+                        if (grep(/^\Q$item\E$/,@currcategories)) {
+                            $checked = ' checked="checked" ';
+                        }
+                    }
+                    $output .= '<tr '.$css_class.'><td><span class="LC_nobreak">'.
+                               '<input type="checkbox" name="usecategory" value="'.
+                               $item.'"'.$checked.' />'.$parent.'</span>'.
+                               '<input type="hidden" name="catname" value="'.$parent.'" /></td>';
+                    my $depth = 1;
+                    push(@path,$parent);
+                    $output .= &assign_category_rows($itemcount,\@cats,$depth,$parent,\@path,\@currcategories);
+                    pop(@path);
+                    $output .= '</tr><tr><td colspan="'.$maxdepth.'" class="LC_row_separator"></td></tr>';
+                    $itemcount ++;
+                }
+                $output .= &Apache::loncommon::end_data_table();
+            }
+        }
+    }
+    return $output;
+}
+
+=pod
+
+=item *&assign_category_rows()
+
+Create a datatable row for display of nested categories in a domain,
+with checkboxes to allow a course to be categorized,called recursively.
+
+Inputs:
+
+itemcount - track row number for alternating colors
+
+cats - reference to array of arrays/hashes which encapsulates hierarchy of
+      categories and subcategories.
+
+depth - current depth in hierarchy of categories and sub-categories - 0 indexed.
+
+parent - parent of current category item
+
+path - Array containing all categories back up through the hierarchy from the
+       current category to the top level.
+
+currcategories - reference to array of current categories assigned to the course
+
+Returns: $output (markup to be displayed).
+
+=cut
+
+sub assign_category_rows {
+    my ($itemcount,$cats,$depth,$parent,$path,$currcategories) = @_;
+    my ($text,$name,$item,$chgstr);
+    if (ref($cats) eq 'ARRAY') {
+        my $maxdepth = scalar(@{$cats});
+        if (ref($cats->[$depth]) eq 'HASH') {
+            if (ref($cats->[$depth]{$parent}) eq 'ARRAY') {
+                my $numchildren = @{$cats->[$depth]{$parent}};
+                my $css_class = $itemcount%2?' class="LC_odd_row"':'';
+                $text .= '<td><table class="LC_datatable">';
+                for (my $j=0; $j<$numchildren; $j++) {
+                    $name = $cats->[$depth]{$parent}[$j];
+                    $item = &escape($name).':'.&escape($parent).':'.$depth;
+                    my $deeper = $depth+1;
+                    my $checked = '';
+                    if (ref($currcategories) eq 'ARRAY') {
+                        if (@{$currcategories} > 0) {
+                            if (grep(/^\Q$item\E$/,@{$currcategories})) {
+                                $checked = ' checked="checked" ';
+                            }
+                        }
+                    }
+                    $text .= '<tr><td><span class="LC_nobreak"><label>'.
+                             '<input type="checkbox" name="usecategory" value="'.
+                             $item.'"'.$checked.' />'.$name.'</label></span>'.
+                             '<input type="hidden" name="catname" value="'.$name.'" />'.
+                             '</td><td>';
+                    if (ref($path) eq 'ARRAY') {
+                        push(@{$path},$name);
+                        $text .= &assign_category_rows($itemcount,$cats,$deeper,$name,$path,$currcategories);
+                        pop(@{$path});
+                    }
+                    $text .= '</td></tr>';
+                }
+                $text .= '</table></td>';
+            }
+        }
+    }
+    return $text;
+}
+
 ############################################################
 ############################################################
 
 
 sub commit_customrole {
-    my ($udom,$uname,$url,$three,$four,$five,$start,$end) = @_;
+    my ($udom,$uname,$url,$three,$four,$five,$start,$end,$context) = @_;
     my $output = &mt('Assigning custom role').' "'.$five.'" by '.$four.':'.$three.' in '.$url.
                          ($start?', '.&mt('starting').' '.localtime($start):'').
                          ($end?', ending '.localtime($end):'').': <b>'.
               &Apache::lonnet::assigncustomrole(
-                 $udom,$uname,$url,$three,$four,$five,$end,$start).
+                 $udom,$uname,$url,$three,$four,$five,$end,$start,undef,undef,$context).
                  '</b><br />';
     return $output;
 }
@@ -8697,10 +9485,10 @@ sub construct_course {
         $outcome .= ($fatal?$errtext:'read ok').' - ';
         my $title; my $url;
         if ($args->{'firstres'} eq 'syl') {
-	    $title='Syllabus';
+	    $title=&mt('Syllabus');
             $url='/public/'.$$crsudom.'/'.$$crsunum.'/syllabus';
         } else {
-            $title='Navigate Contents';
+            $title=&mt('Navigate Contents');
             $url='/adm/navmaps';
         }
 
@@ -8754,28 +9542,14 @@ sub icon {
     return &lonhttpdurl($iconname);
 } 
 
-sub lonhttpd_port {
-    my $lonhttpd_port=$Apache::lonnet::perlvar{'lonhttpdPort'};
-    if (!defined($lonhttpd_port)) { $lonhttpd_port='8080'; }
-    # IE doesn't like a secure page getting images from a non-secure
-    # port (when logging we haven't parsed the browser type so default
-    # back to secure
-    if ((!exists($env{'browser.type'}) || $env{'browser.type'} eq 'explorer')
-	&& $ENV{'SERVER_PORT'} == 443) {
-	return 443;
-    }
-    return $lonhttpd_port;
-
-}
-
 sub lonhttpdurl {
+#
+# Had been used for "small fry" static images on separate port 8080.
+# Modify here if lightweight http functionality desired again.
+# Currently eliminated due to increasing firewall issues.
+#
     my ($url)=@_;
-
-    my $lonhttpd_port = &lonhttpd_port();
-    if ($lonhttpd_port == 443) {
-	return 'https://'.$ENV{'SERVER_NAME'}.$url;
-    }
-    return 'http://'.$ENV{'SERVER_NAME'}.':'.$lonhttpd_port.$url;
+    return $url;
 }
 
 sub connection_aborted {
@@ -8853,7 +9627,7 @@ sub init_user_environment {
 	}
 # Give them a new cookie
 	my $id = ($args->{'robot'} ? 'robot'.$args->{'robot'}
-		                   : $now);
+		                   : $now.$$.int(rand(10000)));
 	$cookie="$username\_$id\_$domain\_$authhost";
     
 # Initialize roles
@@ -8953,8 +9727,8 @@ sub init_user_environment {
 	    }
 	    untie(%disk_env);
 	} else {
-	    &Apache::lonnet::logthis("<font color=\"blue\">WARNING: ".
-			   'Could not create environment storage in lonauth: '.$!.'</font>');
+	    &Apache::lonnet::logthis("<span style=\"color:blue;\">WARNING: ".
+			   'Could not create environment storage in lonauth: '.$!.'</span>');
 	    return 'error: '.$!;
 	}
     }
@@ -8968,12 +9742,52 @@ sub init_user_environment {
 
 sub _add_to_env {
     my ($idf,$env_data,$prefix) = @_;
-    while (my ($key,$value) = each(%$env_data)) {
-	$idf->{$prefix.$key} = $value;
-	$env{$prefix.$key}   = $value;
+    if (ref($env_data) eq 'HASH') {
+        while (my ($key,$value) = each(%$env_data)) {
+	    $idf->{$prefix.$key} = $value;
+	    $env{$prefix.$key}   = $value;
+        }
     }
 }
 
+# --- Get the symbolic name of a problem and the url
+sub get_symb {
+    my ($request,$silent) = @_;
+    (my $url=$env{'form.url'}) =~ s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
+    my $symb=($env{'form.symb'} ne '' ? $env{'form.symb'} : (&Apache::lonnet::symbread($url)));
+    if ($symb eq '') {
+        if (!$silent) {
+            $request->print("Unable to handle ambiguous references:$url:.");
+            return ();
+        }
+    }
+    &Apache::lonenc::check_decrypt(\$symb);
+    return ($symb);
+}
+
+# --------------------------------------------------------------Get annotation
+
+sub get_annotation {
+    my ($symb,$enc) = @_;
+
+    my $key = $symb;
+    if (!$enc) {
+        $key =
+            &Apache::lonnet::clutter((&Apache::lonnet::decode_symb($symb))[2]);
+    }
+    my %annotation=&Apache::lonnet::get('nohist_annotations',[$key]);
+    return $annotation{$key};
+}
+
+sub clean_symb {
+    my ($symb) = @_;
+
+    &Apache::lonenc::check_decrypt(\$symb);
+    my $enc = $env{'request.enc'};
+    delete($env{'request.enc'});
+
+    return ($symb,$enc);
+}
 
 =pod