loncom/interface/loncommon.pm - diff

Return to loncommon.pm CVS log

Up to [LON-CAPA] / loncom / interface

Diff for /loncom/interface/loncommon.pm between versions 1.469 and 1.806

-version 1.469, 2006/11/15 20:09:54
+version 1.806, 2009/05/07 16:25:02
  Line 59  use Apache::lonnet;
  use GDBM_File;
  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();
  use Apache::lontexconvert();
  use Apache::lonclonecourse();
- use LONCAPA;
+ use LONCAPA qw(:DEFAULT :match);
+ use DateTime::TimeZone;
+ use DateTime::Locale::Catalog;
+ # ---------------------------------------------- Designs
+ use vars qw(%defaultdesign);
  my $readit;
  ##
  ## Global Variables
  ##
+ # ----------------------------------------------- SSI with retries:
+ #
+ =pod
+ =head1 Server Side include with retries:
+ =over 4
+ =item * &ssi_with_retries(resource,retries form)
+ Performs an ssi with some number of retries.  Retries continue either
+ until the result is ok or until the retry count supplied by the
+ caller is exhausted.
+ Inputs:
+ =over 4
+ resource   - Identifies the resource to insert.
+ retries    - Count of the number of retries allowed.
+ form       - Hash that identifies the rendering options.
+ =back
+ Returns:
+ =over 4
+ content    - The content of the response.  If retries were exhausted this is empty.
+ response   - The response from the last attempt (which may or may not have been successful.
+ =back
+ =back
+ =cut
+ sub ssi_with_retries {
+     my ($resource, $retries, %form) = @_;
+     my $ok = 0;			# True if we got a good response.
+     my $content;
+     my $response;
+     # Try to get the ssi done. within the retries count:
+     do {
+ 	($content, $response) = &Apache::lonnet::ssi($resource, %form);
+ 	$ok      = $response->is_success;
+         if (!$ok) {
+             &Apache::lonnet::logthis("Failed ssi_with_retries on $resource: ".$response->is_success.', '.$response->code.', '.$response->message);
+         }
+ 	$retries--;
+     } while (!$ok && ($retries > 0));
+     if (!$ok) {
+ 	$content = '';		# On error return an empty content.
+     }
+     return ($content, $response);
+ }
  # ----------------------------------------------- Filetypes/Languages/Copyright
  my %language;
  my %supported_language;
- Line 81  my %scprtag;
+ Line 159  my %scprtag;
  my %fe; my %fd; my %fm;
  my %category_extensions;
- # ---------------------------------------------- Designs
- my %designhash;
  # ---------------------------------------------- Thesaurus variables
  #
  # %Keywords:
- Line 150  BEGIN {
+ Line 224  BEGIN {
          }
      }
- # -------------------------------------------------------------- domain designs
+ # -------------------------------------------------------------- default domain designs
-     my $filename;
      my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
-     opendir(DIR,$designdir);
+     my $designfile = $designdir.'/default.tab';
-     while ($filename=readdir(DIR)) {
+     if ( open (my $fh,"<$designfile") ) {
- 	if ($filename!~/\.tab$/) { next; }
+         while (my $line = <$fh>) {
- 	my ($domain)=($filename=~/^(\w+)\./);
+             next if ($line =~ /^\#/);
- 	{
+             chomp($line);
- 	    my $designfile = $designdir.'/'.$filename;
+             my ($key,$val)=(split(/\=/,$line));
- 	    if ( open (my $fh,"<$designfile") ) {
+             if ($val) { $defaultdesign{$key}=$val; }
- 		while (my $line = <$fh>) {
+         }
- 		    next if ($line =~ /^\#/);
+         close($fh);
- 		    chomp($line);
- 		    my ($key,$val)=(split(/\=/,$line));
- 		    if ($val) { $designhash{$domain.'.'.$key}=$val; }
- 		}
- 		close($fh);
- 	    }
- 	}
      }
-     closedir(DIR);
  # ------------------------------------------------------------- file categories
      {
- Line 209  BEGIN {
+ Line 271  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)
- Line 225  BEGIN {
+ Line 287  BEGIN {
  =over 4
- =item * browser_and_searcher_javascript ()
+ =item * &browser_and_searcher_javascript()
  X<browsing, javascript>X<searching, javascript>Returns a string
  containing javascript with two functions, C<openbrowser> and
  C<opensearcher>. Returned string does not contain E<lt>scriptE<gt>
  tags.
- =item * openbrowser(formname,elementname,only,omit) [javascript]
+ =item * &openbrowser(formname,elementname,only,omit) [javascript]
  inputs: formname, elementname, only, omit
- Line 245  with the given extension.  Can be a comm
+ Line 307  with the given extension.  Can be a comm
  Specifying 'omit' will restrict the browser to NOT displaying files
  with the given extension.  Can be a comma separated list.
- =item * opensearcher(formname, elementname) [javascript]
+ =item * &opensearcher(formname,elementname) [javascript]
  Inputs: formname, elementname
- Line 268  sub browser_and_searcher_javascript {
+ Line 330  sub browser_and_searcher_javascript {
          }
          url += 'catalogmode=interactive&';
          url += 'mode=$mode&';
+         url += 'inhibitmenu=yes&';
          url += 'form=' + formname + '&';
          if (only != null) {
              url += 'only=' + only + '&';
- Line 329  sub storeresurl {
+ Line 392  sub storeresurl {
      unless ($resurl=~/^\/res/) { return 0; }
      $resurl=~s/\/$//;
      &Apache::lonnet::put('environment',{'lastresurl' => $resurl});
-     &Apache::lonnet::appenv('environment.lastresurl' => $resurl);
+     &Apache::lonnet::appenv({'environment.lastresurl' => $resurl});
      return 1;
  }
- Line 343  sub studentbrowser_javascript {
+ Line 406  sub studentbrowser_javascript {
           || ($env{'request.role'}=~/^(au|dc|su)/)
            ) { return ''; }
     return (<<'ENDSTDBRW');
- <script type="text/javascript" language="Javascript" >
+ <script type="text/javascript" language="Javascript">
      var stdeditbrowser;
-     function openstdbrowser(formname,uname,udom,roleflag) {
+     function openstdbrowser(formname,uname,udom,roleflag,ignorefilter,courseadvonly) {
          var url = '/adm/pickstudent?';
          var filter;
-         eval('filter=document.'+formname+'.'+uname+'.value;');
+ 	if (!ignorefilter) {
+ 	    eval('filter=document.'+formname+'.'+uname+'.value;');
+ 	}
          if (filter != null) {
             if (filter != '') {
                 url += 'filter='+filter+'&';
- Line 357  sub studentbrowser_javascript {
+ Line 422  sub studentbrowser_javascript {
          url += 'form=' + formname + '&unameelement='+uname+
                                      '&udomelement='+udom;
  	if (roleflag) { url+="&roles=1"; }
+         if (courseadvonly) { url+="&courseadvonly=1"; }
          var title = 'Student_Browser';
          var options = 'scrollbars=1,resizable=1,menubar=0';
          options += ',width=700,height=600';
- Line 368  ENDSTDBRW
+ Line 434  ENDSTDBRW
  }
  sub selectstudent_link {
-    my ($form,$unameele,$udomele)=@_;
+    my ($form,$unameele,$udomele,$courseadvonly)=@_;
+    my $callargs = "'".$form."','".$unameele."','".$udomele."'";
     if ($env{'request.course.id'}) {
         if (!&Apache::lonnet::allowed('srm',$env{'request.course.id'})
  	   && !&Apache::lonnet::allowed('srm',$env{'request.course.id'}.
  					'/'.$env{'request.course.sec'})) {
  	   return '';
         }
-        return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.
+        if ($courseadvonly)  {
-         '","'.$udomele.'");'."'>".&mt('Select User')."</a>";
+            $callargs .= ",'',1,1";
+        }
+        return '<span class="LC_nobreak">'.
+               '<a href="javascript:openstdbrowser('.$callargs.');">'.
+               &mt('Select User').'</a></span>';
     }
     if ($env{'request.role'}=~/^(au|dc|su)/) {
-        return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.
+        $callargs .= ",1";
-         '","'.$udomele.'",1);'."'>".&mt('Select User')."</a>";
+        return '<span class="LC_nobreak">'.
+               '<a href="javascript:openstdbrowser('.$callargs.');">'.
+               &mt('Select User').'</a></span>';
     }
     return '';
  }
+ sub authorbrowser_javascript {
+     return <<"ENDAUTHORBRW";
+ <script type="text/javascript" language="JavaScript">
+ var stdeditbrowser;
+ function openauthorbrowser(formname,udom) {
+     var url = '/adm/pickauthor?';
+     url += 'form='+formname+'&roledom='+udom;
+     var title = 'Author_Browser';
+     var options = 'scrollbars=1,resizable=1,menubar=0';
+     options += ',width=700,height=600';
+     stdeditbrowser = open(url,title,options,'1');
+     stdeditbrowser.focus();
+ }
+ </script>
+ ENDAUTHORBRW
+ }
  sub coursebrowser_javascript {
      my ($domainfilter,$sec_element,$formname)=@_;
      my $crs_or_grp_alert = &mt('Please select the type of LON-CAPA entity - Course or Group - for which you wish to add/modify a user role');
     my $output = '
- <script type="text/javascript" language="Javascript" >
+ <script type="text/javascript" language="JavaScript">
      var stdeditbrowser;'."\n";
     $output .= <<"ENDSTDBRW";
      function opencrsbrowser(formname,uname,udom,desc,extra_element,multflag,crstype) {
- Line 416  sub coursebrowser_javascript {
+ Line 508  sub coursebrowser_javascript {
  	                            '&cdomelement='+udom+
                                      '&cnameelement='+desc;
          if (extra_element !=null && extra_element != '') {
-             if (formname == 'rolechoice') {
+             if (formname == 'rolechoice' || formname == 'studentform') {
                  url += '&roleelement='+extra_element;
                  if (domainfilter == null || domainfilter == '') {
                      url += '&domainfilter='+extra_element;
- Line 425  sub coursebrowser_javascript {
+ Line 517  sub coursebrowser_javascript {
              else {
                  if (formname == 'portform') {
                      url += '&setroles='+extra_element;
+                 } else {
+                     if (formname == 'rules') {
+                         url += '&fixeddom='+extra_element;
+                     }
                  }
              }
          }
- Line 480  sub setsec_javascript {
+ Line 576  sub setsec_javascript {
      my ($sec_element,$formname) = @_;
      my $setsections = qq|
  function setSect(sectionlist) {
-     var sectionsArray = sectionlist.split(",");
+     var sectionsArray = new Array();
+     if ((sectionlist != '') && (typeof sectionlist != "undefined")) {
+         sectionsArray = sectionlist.split(",");
+     }
      var numSections = sectionsArray.length;
      document.$formname.$sec_element.length = 0;
      if (numSections == 0) {
- Line 515  function setSect(sectionlist) {
+ Line 614  function setSect(sectionlist) {
  sub selectcourse_link {
     my ($form,$unameele,$udomele,$desc,$extra_element,$multflag,$selecttype)=@_;
-     return "<a href='".'javascript:opencrsbrowser("'.$form.'","'.$unameele.
+    return '<span class="LC_nobreak">'
-         '","'.$udomele.'","'.$desc.'","'.$extra_element.'","'.$multflag.'","'.$selecttype.'");'."'>".&mt('Select [_1]',$selecttype)."</a>";
+          ."<a href='"
+          .'javascript:opencrsbrowser("'.$form.'","'.$unameele
+          .'","'.$udomele.'","'.$desc.'","'.$extra_element
+          .'","'.$multflag.'","'.$selecttype.'");'
+          ."'>".&mt('Select Course').'</a>'
+          .'</span>';
+ }
+ sub selectauthor_link {
+    my ($form,$udom)=@_;
+    return '<a href="javascript:openauthorbrowser('."'$form','$udom'".');">'.
+           &mt('Select Author').'</a>';
  }
  sub check_uncheck_jscript {
- Line 535  function uncheckAll(field) {
+ Line 645  function uncheckAll(field) {
      if (field.length > 0) {
          for (i = 0; i < field.length; i++) {
              field[i].checked = false ;
-         }     } else {
+         }
+     } else {
          field.checked = false ;
      }
  }
- Line 543  ENDSCRT
+ Line 654  ENDSCRT
      return $jscript;
  }
+ sub select_timezone {
+    my ($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.'"';
+        if ($tzone eq $selected) {
+            $output.=' selected="selected"';
+        }
+        $output.=">$tzone</option>\n";
+    }
+    $output.="</select>";
+    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 $output;
+ }
+ sub select_language {
+     my ($name,$selected,$includeempty) = @_;
+     my %langchoices;
+     if ($includeempty) {
+         %langchoices = ('' => 'No language preference');
+     }
+     foreach my $id (&languageids()) {
+         my $code = &supportedlanguagecode($id);
+         if ($code) {
+             $langchoices{$code} = &plainlanguagedescription($id);
+         }
+     }
+     return &select_form($selected,$name,%langchoices);
+ }
  =pod
- =item * linked_select_forms(...)
+ =item * &linked_select_forms(...)
  linked_select_forms returns a string containing a <script></script> block
  and html for two <select> menus.  The select menus will be linked in that
  changing the value of the first menu will result in new values being placed
  in the second menu.  The values in the select menu will appear in alphabetical
- order.
+ order unless a defined order is provided.
  linked_select_forms takes the following ordered inputs:
- Line 570  linked_select_forms takes the following
+ Line 768  linked_select_forms takes the following
  =item * $hashref, a reference to a hash containing the data for the menus.
+ =item * $menuorder, the order of values in the first menu
  =back
  Below is an example of such a hash.  Only the 'text', 'default', and
- Line 586  $menu{$choice1}->{'select2'}.
+ Line 786  $menu{$choice1}->{'select2'}.
                             B2 => "Choice B2",
                             B3 => "Choice B3",
                             B4 => "Choice B4"
-                            }
+                            },
+                        order => ['B4','B3','B1','B2'],
                     },
                 A2 => { text =>"Choice A2" ,
                         default => "C2",
- Line 594  $menu{$choice1}->{'select2'}.
+ Line 795  $menu{$choice1}->{'select2'}.
                             C1 => "Choice C1",
                             C2 => "Choice C2",
                             C3 => "Choice C3"
-                            }
+                            },
+                        order => ['C2','C1','C3'],
                     },
                 A3 => { text =>"Choice A3" ,
                         default => "D6",
- Line 606  $menu{$choice1}->{'select2'}.
+ Line 808  $menu{$choice1}->{'select2'}.
                             D5 => "Choice D5",
                             D6 => "Choice D6",
                             D7 => "Choice D7"
-                            }
+                            },
+                        order => ['D4','D3','D2','D1','D7','D6','D5'],
                     }
                 );
- Line 618  sub linked_select_forms {
+ Line 821  sub linked_select_forms {
          $firstdefault,
          $firstselectname,
          $secondselectname,
-         $hashref
+         $hashref,
+         $menuorder,
          ) = @_;
      my $second = "document.$formname.$secondselectname";
      my $first = "document.$formname.$firstselectname";
      # output the javascript to do the changing
      my $result = '';
-     $result.="<script type=\"text/javascript\">\n";
+     $result.='<script type="text/javascript" language="JavaScript">'."\n";
      $result.="var select2data = new Object();\n";
      $" = '","';
      my $debug = '';
- Line 632  sub linked_select_forms {
+ Line 836  sub linked_select_forms {
          $result.="select2data.d_$s1 = new Object();\n";
          $result.="select2data.d_$s1.def = new String('".
              $hashref->{$s1}->{'default'}."');\n";
          $result.="select2data.d_$s1.values = new Array(";
          my @s2values = sort(keys( %{ $hashref->{$s1}->{'select2'} } ));
+         if (ref($hashref->{$s1}->{'order'}) eq 'ARRAY') {
+             @s2values = @{$hashref->{$s1}->{'order'}};
+         }
          $result.="\"@s2values\");\n";
          $result.="select2data.d_$s1.texts = new Array(";
          my @s2texts;
- Line 671  function select1_changed() {
+ Line 878  function select1_changed() {
  END
      # output the initial values for the selection lists
      $result .= "<select size=\"1\" name=\"$firstselectname\" onchange=\"select1_changed()\">\n";
-     foreach my $value (sort(keys(%$hashref))) {
+     my @order = sort(keys(%{$hashref}));
+     if (ref($menuorder) eq 'ARRAY') {
+         @order = @{$menuorder};
+     }
+     foreach my $value (@order) {
          $result.="    <option value=\"$value\" ";
          $result.=" selected=\"selected\" " if ($value eq $firstdefault);
          $result.=">".&mt($hashref->{$value}->{'text'})."</option>\n";
- Line 681  END
+ Line 892  END
      $result .= $middletext;
      $result .= "<select size=\"1\" name=\"$secondselectname\">\n";
      my $seconddefault = $hashref->{$firstdefault}->{'default'};
-     foreach my $value (sort(keys(%select2))) {
+     my @secondorder = sort(keys(%select2));
+     if (ref($hashref->{$firstdefault}->{'order'}) eq 'ARRAY') {
+         @secondorder = @{$hashref->{$firstdefault}->{'order'}};
+     }
+     foreach my $value (@secondorder) {
          $result.="    <option value=\"$value\" ";
          $result.=" selected=\"selected\" " if ($value eq $seconddefault);
          $result.=">".&mt($select2{$value})."</option>\n";
- Line 693  END
+ Line 909  END
  =pod
- =item * help_open_topic($topic, $text, $stayOnPage, $width, $height)
+ =item * &help_open_topic($topic,$text,$stayOnPage,$width,$height)
  Returns a string corresponding to an HTML link to the given help
  $topic, where $topic corresponds to the name of a .tex file in
- Line 719  sub help_open_topic {
+ Line 935  sub help_open_topic {
      my ($topic, $text, $stayOnPage, $width, $height) = @_;
      $text = "" if (not defined $text);
      $stayOnPage = 0 if (not defined $stayOnPage);
-     if ($env{'browser.interface'} eq 'textual' ||
- 	$env{'environment.remote'} eq 'off' ) {
- 	$stayOnPage=1;
-     }
      $width = 350 if (not defined $width);
      $height = 400 if (not defined $height);
      my $filename = $topic;
- Line 730  sub help_open_topic {
+ Line 942  sub help_open_topic {
      my $template = "";
      my $link;
      $topic=~s/\W/\_/g;
-     if (!$stayOnPage)
+     if (!$stayOnPage) {
-     {
  	$link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
-     }
+     } else {
-     else
-     {
  	$link = "/adm/help/${filename}.hlp";
      }
      # Add the text
-     if ($text ne "")
+     if ($text ne "") {
-     {
+ 	$template.='<span class="LC_help_open_topic">'
- 	$template .=
+                   .'<a target="_top" href="'.$link.'">'
-   "<table bgcolor='#3333AA' cellspacing='1' cellpadding='1' border='0'><tr>".
+                   .$text.'</a>';
-   "<td bgcolor='#5555FF'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
      }
-     # Add the graphic
+     # (Always) Add the graphic
      my $title = &mt('Online Help');
-     my $helpicon=&lonhttpdurl("/adm/help/gif/smallHelp.gif");
+     my $helpicon=&lonhttpdurl("/adm/help/help.png");
-     $template .= <<"ENDTEMPLATE";
+     $template.=' <a target="_top" href="'.$link.'" title="'.$title.'">'
-  <a target="_top" href="$link" title="$title"><img src="$helpicon" border="0" alt="(Help: $topic)" /></a>
+               .'<img src="'.$helpicon.'" border="0"'
- ENDTEMPLATE
+               .' alt="'.&mt('Help: [_1]',$topic).'"'
-     if ($text ne '') { $template.='</td></tr></table>' };
+               .' title="'.$title.'"'
+               .' /></a>';
+     if ($text ne "") {
+         $template.='</span>';
+     }
      return $template;
  }
- Line 764  ENDTEMPLATE
+ Line 976  ENDTEMPLATE
  # This is a quicky function for Latex cheatsheet editing, since it
  # appears in at least four places
  sub helpLatexCheatsheet {
-     my $other = shift;
+     my ($topic,$text,$not_author) = @_;
+     my $out;
      my $addOther = '';
-     if ($other) {
+     if ($topic) {
- 	$addOther = Apache::loncommon::help_open_topic($other, shift,
+ 	$addOther = '<span>'.&Apache::loncommon::help_open_topic($topic,&mt($text),
- 						       undef, undef, 600) .
+ 							       undef, undef, 600).
- 							   '</td><td>';
+ 								   '</span> ';
      }
-     return '<table><tr><td>'.
+     $out = '<span>' # Start cheatsheet
- 	$addOther .
+ 	  .$addOther
- 	&Apache::loncommon::help_open_topic("Greek_Symbols",'Greek Symbols',
+           .'<span>'
- 					    undef,undef,600)
+ 	  .&Apache::loncommon::help_open_topic('Greek_Symbols',&mt('Greek Symbols'),
- 	.'</td><td>'.
+ 					       undef,undef,600)
- 	&Apache::loncommon::help_open_topic("Other_Symbols",'Other Symbols',
+ 	  .'</span> <span>'
- 					    undef,undef,600)
+ 	  .&Apache::loncommon::help_open_topic('Other_Symbols',&mt('Other Symbols'),
- 	.'</td></tr></table>';
+ 					       undef,undef,600)
+ 	  .'</span>';
+     unless ($not_author) {
+         $out .= ' <span>'
+ 	       .&Apache::loncommon::help_open_topic('Authoring_Output_Tags',&mt('Output Tags'),
+ 	                                            undef,undef,600)
+ 	       .'</span>';
+     }
+     $out .= '</span>'; # End cheatsheet
+     return $out;
  }
  sub general_help {
- Line 787  sub general_help {
+ Line 1009  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 $helptopic;
  }
- Line 812  ENDOUTPUT
+ Line 1036  ENDOUTPUT
  # now just updates the help link and generates a blue icon
  sub help_open_menu {
      my ($topic,$component_help,$faq,$bug,$stayOnPage,$width,$height,$text)
  	= @_;
      $stayOnPage = 0 if (not defined $stayOnPage);
-     if ($env{'browser.interface'} eq 'textual' ||
+     # only use pop-up help (stayOnPage == 0)
- 	$env{'environment.remote'} eq 'off' ) {
+     # if environment.remote is on (using remote control UI)
- 	$stayOnPage=1;
+     if ($env{'environment.remote'} eq 'off' ) {
+         $stayOnPage=1;
      }
      my $output;
      if ($component_help) {
- Line 838  sub help_open_menu {
+ Line 1062  sub help_open_menu {
  sub top_nav_help {
      my ($text) = @_;
      $text = &mt($text);
+     my $stay_on_page =
-     my $stayOnPage =
+ 	($env{'environment.remote'} eq 'off' );
- 	($env{'browser.interface'}  eq 'textual' ||
+     my $link = ($stay_on_page) ? "javascript:helpMenu('display')"
- 	 $env{'environment.remote'} eq 'off' );
-     my $link=  ($stayOnPage) ? "javascript:helpMenu('display')"
  	                     : "javascript:helpMenu('open')";
-     my $banner_link = &update_help_link(undef,undef,undef,undef,$stayOnPage);
+     my $banner_link = &update_help_link(undef,undef,undef,undef,$stay_on_page);
      my $title = &mt('Get help');
- Line 860  sub help_menu_js {
+ Line 1081  sub help_menu_js {
      my ($text) = @_;
      my $stayOnPage =
- 	($env{'browser.interface'}  eq 'textual' ||
+ 	($env{'environment.remote'} eq 'off' );
- 	 $env{'environment.remote'} eq 'off' );
      my $width = 620;
      my $height = 600;
- Line 874  sub help_menu_js {
+ Line 1094  sub help_menu_js {
  					'js_ready'    => 1,
  					'add_entries' => {
  					    'border' => '0',
- 					    'rows'   => "105,*",},});
+ 					    'rows'   => "110,*",},});
      my $end_page =
          &Apache::loncommon::end_page({'frameset' => 1,
  				      'js_ready' => 1,});
- Line 920  sub help_open_bug {
+ Line 1140  sub help_open_bug {
      unless ($Apache::lonnet::perlvar{'BugzillaHost'}) { return ''; }
      $text = "" if (not defined $text);
      $stayOnPage = 0 if (not defined $stayOnPage);
-     if ($env{'browser.interface'} eq 'textual' ||
+     if ($env{'environment.remote'} eq 'off' ) {
- 	$env{'environment.remote'} eq 'off' ) {
  	$stayOnPage=1;
      }
      $width = 600 if (not defined $width);
- Line 945  sub help_open_bug {
+ Line 1164  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;\">$text</span></a>";
      }
      # Add the graphic
- Line 965  sub help_open_faq {
+ Line 1184  sub help_open_faq {
      unless ($Apache::lonnet::perlvar{'FAQHost'}) { return ''; }
      $text = "" if (not defined $text);
      $stayOnPage = 0 if (not defined $stayOnPage);
-     if ($env{'browser.interface'} eq 'textual' ||
+     if ($env{'environment.remote'} eq 'off' ) {
- 	$env{'environment.remote'} eq 'off' ) {
  	$stayOnPage=1;
      }
      $width = 350 if (not defined $width);
- Line 990  sub help_open_faq {
+ Line 1208  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;\">$text</span></a>";
      }
      # Add the graphic
- Line 1009  ENDTEMPLATE
+ Line 1227  ENDTEMPLATE
  =pod
- =item * change_content_javascript():
+ =item * &change_content_javascript():
  This and the next function allow you to create small sections of an
  otherwise static HTML page that you can update on the fly with
- Line 1064  DOMBASED
+ Line 1282  DOMBASED
  =pod
- =item * changable_area($name, $origContent):
+ =item * &changable_area($name,$origContent):
  This provides a "changable area" that can be modified on the fly via
  the Javascript code provided in C<change_content_javascript>. $name is
- Line 1088  sub changable_area {
+ Line 1306  sub changable_area {
  =pod
+ =item * &viewport_geometry_js
+ Provides javascript object (Geometry) which can provide information about the viewport geometry for the client browser.
+ =cut
+ sub viewport_geometry_js {
+     return <<"GEOMETRY";
+ var Geometry = {};
+ function init_geometry() {
+     if (Geometry.init) { return };
+     Geometry.init=1;
+     if (window.innerHeight) {
+         Geometry.getViewportHeight   = function() { return window.innerHeight; };
+         Geometry.getViewportWidth   = function() { return window.innerWidth; };
+         Geometry.getHorizontalScroll = function() { return window.pageXOffset; };
+         Geometry.getVerticalScroll   = function() { return window.pageYOffset; };
+     }
+     else if (document.documentElement && document.documentElement.clientHeight) {
+         Geometry.getViewportHeight =
+             function() { return document.documentElement.clientHeight; };
+         Geometry.getViewportWidth =
+             function() { return document.documentElement.clientWidth; };
+         Geometry.getHorizontalScroll =
+             function() { return document.documentElement.scrollLeft; };
+         Geometry.getVerticalScroll =
+             function() { return document.documentElement.scrollTop; };
+     }
+     else if (document.body.clientHeight) {
+         Geometry.getViewportHeight =
+             function() { return document.body.clientHeight; };
+         Geometry.getViewportWidth =
+             function() { return document.body.clientWidth; };
+         Geometry.getHorizontalScroll =
+             function() { return document.body.scrollLeft; };
+         Geometry.getVerticalScroll =
+             function() { return document.body.scrollTop; };
+     }
+ }
+ GEOMETRY
+ }
+ =pod
+ =item * &viewport_size_js()
+ Provides a javascript function to set values of two form elements - width and height (elements are passed in as arguments to the javascript function) to the dimensions of the user's browser window.
+ =cut
+ sub viewport_size_js {
+     my $geometry = &viewport_geometry_js();
+     return <<"DIMS";
+ $geometry
+ function getViewportDims(width,height) {
+     init_geometry();
+     width.value = Geometry.getViewportWidth();
+     height.value = Geometry.getViewportHeight();
+     return;
+ }
+ DIMS
+ }
+ =pod
+ =item * &resize_textarea_js()
+ emits the needed javascript to resize a textarea to be as big as possible
+ creates a function resize_textrea that takes two IDs first should be
+ the id of the element to resize, second should be the id of a div that
+ surrounds everything that comes after the textarea, this routine needs
+ to be attached to the <body> for the onload and onresize events.
  =back
+ =cut
+ sub resize_textarea_js {
+     my $geometry = &viewport_geometry_js();
+     return <<"RESIZE";
+     <script type="text/javascript">
+ $geometry
+ function getX(element) {
+     var x = 0;
+     while (element) {
+ 	x += element.offsetLeft;
+ 	element = element.offsetParent;
+     }
+     return x;
+ }
+ function getY(element) {
+     var y = 0;
+     while (element) {
+ 	y += element.offsetTop;
+ 	element = element.offsetParent;
+     }
+     return y;
+ }
+ function resize_textarea(textarea_id,bottom_id) {
+     init_geometry();
+     var textarea        = document.getElementById(textarea_id);
+     //alert(textarea);
+     var textarea_top    = getY(textarea);
+     var textarea_height = textarea.offsetHeight;
+     var bottom          = document.getElementById(bottom_id);
+     var bottom_top      = getY(bottom);
+     var bottom_height   = bottom.offsetHeight;
+     var window_height   = Geometry.getViewportHeight();
+     var fudge           = 23;
+     var new_height      = window_height-fudge-textarea_top-bottom_height;
+     if (new_height < 300) {
+ 	new_height = 300;
+     }
+     textarea.style.height=new_height+'px';
+ }
+ </script>
+ RESIZE
+ }
+ =pod
  =head1 Excel and CSV file utility routines
  =over 4
- Line 1101  sub changable_area {
+ Line 1450  sub changable_area {
  =pod
- =item * csv_translate($text)
+ =item * &csv_translate($text)
  Translate $text to allow it to be output as a 'comma separated values'
  format.
- Line 1122  sub csv_translate {
+ Line 1471  sub csv_translate {
  =pod
- =item * define_excel_formats
+ =item * &define_excel_formats()
  Define some commonly used Excel cell formats.
- Line 1178  sub define_excel_formats {
+ Line 1527  sub define_excel_formats {
  =pod
- =item * create_workbook
+ =item * &create_workbook()
  Create an Excel worksheet.  If it fails, output message on the
  request object and return undefs.
- Line 1221  sub create_workbook {
+ Line 1570  sub create_workbook {
  =pod
- =item * create_text_file
+ =item * &create_text_file()
- Create a file to write to and eventually make available to the usre.
+ Create a file to write to and eventually make available to the user.
  If file creation fails, outputs an error message on the request object and
  return undefs.
- Line 1246  sub create_text_file {
+ Line 1595  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.  ".
+         $r->print(&mt('Problems occurred in creating the output file. '
-                   "This error has been logged.  ".
+                      .'This error has been logged. '
-                   "Please alert your LON-CAPA administrator.");
+                      .'Please alert your LON-CAPA administrator.'));
      }
      return ($fh,$filename)
  }
- Line 1264  sub create_text_file {
+ Line 1613  sub create_text_file {
  ##        Home server <option> list generating code          ##
  ###############################################################
- =pod
- =head1 Home Server option list generating code
- =over 4
- =item * get_domains()
- Returns an array containing each of the domains listed in the hosts.tab
- file.
- =cut
- #-------------------------------------------
- sub get_domains {
-     # The code below was stolen from "The Perl Cookbook", p 102, 1st ed.
-     my @domains;
-     my %seen;
-     foreach my $dom (sort(values(%Apache::lonnet::hostdom))) {
- 	push(@domains,$dom) unless $seen{$dom}++;
-     }
-     return @domains;
- }
  # ------------------------------------------
  sub domain_select {
      my ($name,$value,$multiple)=@_;
      my %domains=map {
- 	$_ => $_.' '.$Apache::lonnet::domaindescription{$_}
+ 	$_ => $_.' '. &Apache::lonnet::domain($_,'description')
-     } &get_domains;
+     } &Apache::lonnet::all_domains();
      if ($multiple) {
  	$domains{''}=&mt('Any domain');
+ 	$domains{'select_form_order'} = [sort {lc($a) cmp lc($b) } (keys(%domains))];
  	return &multiple_select_form($name,$value,4,\%domains);
      } else {
+ 	$domains{'select_form_order'} = [sort {lc($a) cmp lc($b) } (keys(%domains))];
  	return &select_form($name,$value,%domains);
      }
  }
- Line 1307  sub domain_select {
+ Line 1634  sub domain_select {
  =pod
- =item * multiple_select_form($name,$value,$size,$hash,$order)
+ =head1 Routines for form select boxes
+ =over 4
+ =item * &multiple_select_form($name,$value,$size,$hash,$order)
  Returns a string containing a <select> element int multiple mode
  Args:
    $name - name of the <select> element
-   $value - sclara or array ref of values that should already be selected
+   $value - scalar or array ref of values that should already be selected
    $size - number of rows long the select element is
    $hash - the elements should be 'option' => 'shown text'
            (shown text should already have been &mt())
-   $order - (optional) array ref of the order to show the elments in
+   $order - (optional) array ref of the order to show the elements in
  =cut
- Line 1333  sub multiple_select_form {
+ Line 1664  sub multiple_select_form {
              $size = scalar(keys(%$hash));
          }
      }
-     $output.="\n<select name='$name' size='$size' multiple='1'>";
+     $output.="\n".'<select name="'.$name.'" size="'.$size.'" multiple="multiple">';
-     my @order = ref($order) ? @$order
+     my @order;
-                             : sort(keys(%$hash));
+     if (ref($order) eq 'ARRAY')  {
+         @order = @{$order};
+     } else {
+         @order = sort(keys(%$hash));
+     }
+     if (exists($$hash{'select_form_order'})) {
+         @order = @{$$hash{'select_form_order'}};
+     }
      foreach my $key (@order) {
          $output.='<option value="'.&HTML::Entities::encode($key,'"<>&').'" ';
          $output.='selected="selected" ' if ($selected{$key});
- Line 1349  sub multiple_select_form {
+ Line 1688  sub multiple_select_form {
  =pod
- =item * select_form($defdom,$name,%hash)
+ =item * &select_form($defdom,$name,%hash)
  Returns a string containing a <select name='$name' size='1'> form to
  allow a user to select options from a hash option_name => displayed text.
- Line 1377  sub select_form {
+ Line 1716  sub select_form {
      return $selectform;
  }
+ # For display filters
+ sub display_filter {
+     if (!$env{'form.show'}) { $env{'form.show'}=10; }
+     if (!$env{'form.displayfilter'}) { $env{'form.displayfilter'}='currentfolder'; }
+     return '<span class="LC_nobreak"><label>'.&mt('Records [_1]',
+ 			       &Apache::lonmeta::selectbox('show',$env{'form.show'},undef,
+ 							   (&mt('all'),10,20,50,100,1000,10000))).
+ 	   '</label></span> <span class="LC_nobreak">'.
+            &mt('Filter [_1]',
+ 	   &select_form($env{'form.displayfilter'},
+ 			'displayfilter',
+ 			('currentfolder' => 'Current folder/page',
+ 			 'containing' => 'Containing phrase',
+ 			 'none' => 'None'))).
+ 			 '<input type="text" name="containingphrase" size="30" value="'.&HTML::Entities::encode($env{'form.containingphrase'}).'" /></span>';
+ }
  sub gradeleveldescription {
      my $gradelevel=shift;
      my %gradelevels=(0 => 'Not specified',
- Line 1418  sub select_level_form {
+ Line 1775  sub select_level_form {
  =pod
- =item * select_dom_form($defdom,$name,$includeempty)
+ =item * &select_dom_form($defdom,$name,$includeempty,$showdomdesc,$autosubmit)
  Returns a string containing a <select name='$name' size='1'> form to
  allow a user to select the domain to preform an operation in.
- Line 1427  See loncreateuser.pm for an example invo
+ Line 1784  See loncreateuser.pm for an example invo
  If the $includeempty flag is set, it also includes an empty choice ("no domain
  selected");
+ If the $showdomdesc flag is set, the domain name is followed by the domain description.
+ If the $autosubmit flag is set, the form containing the domain selector will be auto-submitted by an onchange action.
  =cut
  #-------------------------------------------
  sub select_dom_form {
-     my ($defdom,$name,$includeempty) = @_;
+     my ($defdom,$name,$includeempty,$showdomdesc,$autosubmit) = @_;
-     my @domains = get_domains();
+     my $onchange;
+     if ($autosubmit) {
+         $onchange = ' onchange="this.form.submit()"';
+     }
+     my @domains = sort {lc($a) cmp lc($b)} (&Apache::lonnet::all_domains());
      if ($includeempty) { @domains=('',@domains); }
-     my $selectdomain = "<select name=\"$name\" size=\"1\">\n";
+     my $selectdomain = "<select name=\"$name\" size=\"1\"$onchange>\n";
      foreach my $dom (@domains) {
          $selectdomain.="<option value=\"$dom\" ".
-             ($dom eq $defdom ? 'selected="selected" ' : '').
+             ($dom eq $defdom ? 'selected="selected" ' : '').'>'.$dom;
-                 ">$dom</option>\n";
+         if ($showdomdesc) {
+             if ($dom ne '') {
+                 my $domdesc = &Apache::lonnet::domain($dom,'description');
+                 if ($domdesc ne '') {
+                     $selectdomain .= ' ('.$domdesc.')';
+                 }
+             }
+         }
+         $selectdomain .= "</option>\n";
      }
      $selectdomain.="</select>";
      return $selectdomain;
- Line 1448  sub select_dom_form {
+ Line 1821  sub select_dom_form {
  =pod
- =item * get_library_servers($domain)
+ =item * &home_server_form_item($domain,$name,$defaultflag)
- Returns a hash which contains keys like '103l3' and values like
+ input: 4 arguments (two required, two optional) -
- 'kirk.lite.msu.edu'.  All of the keys will be for machines in the
+     $domain - domain of new user
- given $domain.
+     $name - name of form element
+     $default - Value of 'default' causes a default item to be first
+                             option, and selected by default.
+     $hide - Value of 'hide' causes hiding of the name of the server,
+                             if 1 server found, or default, if 0 found.
+ output: returns 2 items:
+ (a) form element which contains either:
+    (i) <select name="$name">
+         <option value="$hostid1">$hostid $servers{$hostid}</option>
+         <option value="$hostid2">$hostid $servers{$hostid}</option>
+        </select>
+        form item if there are multiple library servers in $domain, or
+    (ii) an <input type="hidden" name="$name" value="$hostid" /> form item
+        if there is only one library server in $domain.
- =cut
+ (b) number of library servers found.
- #-------------------------------------------
+ See loncreateuser.pm for example of use.
- sub get_library_servers {
-     my $domain = shift;
-     my %library_servers;
-     foreach my $hostid (keys(%Apache::lonnet::libserv)) {
-         if ($Apache::lonnet::hostdom{$hostid} eq $domain) {
-             $library_servers{$hostid} = $Apache::lonnet::hostname{$hostid};
-         }
-     }
-     return %library_servers;
- }
- #-------------------------------------------
- =pod
- =item * home_server_option_list($domain)
- returns a string which contains an <option> list to be used in a
- <select> form input.  See loncreateuser.pm for an example.
  =cut
  #-------------------------------------------
- sub home_server_option_list {
+ sub home_server_form_item {
-     my $domain = shift;
+     my ($domain,$name,$default,$hide) = @_;
-     my %servers = &get_library_servers($domain);
+     my %servers = &Apache::lonnet::get_servers($domain,'library');
-     my $result = '';
+     my $result;
-     foreach my $hostid (sort(keys(%servers))) {
+     my $numlib = keys(%servers);
-         $result.=
+     if ($numlib > 1) {
-             '<option value="'.$hostid.'">'.
+         $result .= '<select name="'.$name.'" />'."\n";
- 	    $hostid.' '.$servers{$hostid}."</option>\n";
+         if ($default) {
+             $result .= '<option value="default" selected="selected">'.&mt('default').
+                        '</option>'."\n";
+         }
+         foreach my $hostid (sort(keys(%servers))) {
+             $result.= '<option value="'.$hostid.'">'.
+ 	              $hostid.' '.$servers{$hostid}."</option>\n";
+         }
+         $result .= '</select>'."\n";
+     } elsif ($numlib == 1) {
+         my $hostid;
+         foreach my $item (keys(%servers)) {
+             $hostid = $item;
+         }
+         $result .= '<input type="hidden" name="'.$name.'" value="'.
+                    $hostid.'" />';
+                    if (!$hide) {
+                        $result .= $hostid.' '.$servers{$hostid};
+                    }
+                    $result .= "\n";
+     } elsif ($default) {
+         $result .= '<input type="hidden" name="'.$name.
+                    '" value="default" />';
+                    if (!$hide) {
+                        $result .= &mt('default');
+                    }
+                    $result .= "\n";
      }
-     return $result;
+     return ($result,$numlib);
  }
  =pod
  =back
  =cut
- Line 1588  sub decode_user_agent {
+ Line 1981  sub decode_user_agent {
  =over 4
- =item * authform_xxxxxx
+ =item * &authform_xxxxxx()
  The authform_xxxxxx subroutines provide javascript and html forms which
  handle some of the conveniences required for authentication forms.
  This is not an optimal method, but it works.
- See loncreateuser.pm for invocation and use examples.
  =over 4
  =item * authform_header
- Line 1612  See loncreateuser.pm for invocation and
+ Line 2003  See loncreateuser.pm for invocation and
  =back
- =back
+ See loncreateuser.pm for invocation and use examples.
  =cut
- Line 1642  END
+ Line 2033  END
      }
      my $radioval = "'nochange'";
-     if (exists($in{'curr_authtype'}) &&
+     if (defined($in{'curr_authtype'})) {
-         defined($in{'curr_authtype'}) &&
+         if ($in{'curr_authtype'} ne '') {
-         $in{'curr_authtype'} ne '') {
+             $radioval = "'".$in{'curr_authtype'}."arg'";
-         $radioval = "'$in{'curr_authtype'}arg'";
+         }
      }
      my $argfield = 'null';
-     if ( grep/^mode$/,(keys %in) ) {
+     if (defined($in{'mode'})) {
          if ($in{'mode'} eq 'modifycourse')  {
-             if ( grep/^curr_authtype$/,(keys %in) ) {
+             if (defined($in{'curr_autharg'})) {
-                 $radioval = "'$in{'curr_authtype'}'";
+                 if ($in{'curr_autharg'} ne '') {
-             }
-             if ( grep/^curr_autharg$/,(keys %in) ) {
-                 unless ($in{'curr_autharg'} eq '') {
                      $argfield = "'$in{'curr_autharg'}'";
                  }
              }
- Line 1737  sub authform_nochange{
+ Line 2125  sub authform_nochange{
                kerb_def_dom => 'MSU.EDU',
                @_,
            );
-     my $result = '<label>'.&mt('[_1] Do not change login data',
+     my ($authnum,%can_assign) =  &get_assignable_auth($in{'domain'});
-                      '<input type="radio" name="login" value="nochange" '.
+     my $result;
-                      'checked="checked" onclick="'.
+     if (keys(%can_assign) == 0) {
+         $result = &mt('Under you current role you are not permitted to change login settings for this user');
+     } else {
+         $result = '<label>'.&mt('[_1] Do not change login data',
+                   '<input type="radio" name="login" value="nochange" '.
+                   'checked="checked" onclick="'.
              "javascript:changed_radio('nochange',$in{'formname'});".'" />').
  	    '</label>';
+     }
      return $result;
  }
- sub authform_kerberos{
+ sub authform_kerberos {
      my %in = (
                formname => 'document.cu',
                kerb_def_dom => 'MSU.EDU',
                kerb_def_auth => 'krb4',
                @_,
                );
-     my ($check4,$check5,$krbarg);
+     my ($check4,$check5,$krbcheck,$krbarg,$krbver,$result,$authtype,
+         $autharg,$jscall);
+     my ($authnum,%can_assign) =  &get_assignable_auth($in{'domain'});
      if ($in{'kerb_def_auth'} eq 'krb5') {
-        $check5 = " checked=\"on\"";
+        $check5 = ' checked="checked"';
      } else {
-        $check4 = " checked=\"on\"";
+        $check4 = ' checked="checked"';
      }
      $krbarg = $in{'kerb_def_dom'};
+     if (defined($in{'curr_authtype'})) {
-     my $krbcheck = "";
+         if ($in{'curr_authtype'} eq 'krb') {
-     if ( grep/^curr_authtype$/,(keys %in) ) {
+             $krbcheck = ' checked="checked"';
-         if ($in{'curr_authtype'} =~ m/^krb/) {
+             if (defined($in{'mode'})) {
-             $krbcheck = " checked=\"on\"";
+                 if ($in{'mode'} eq 'modifyuser') {
-             if ( grep/^curr_autharg$/,(keys %in) ) {
+                     $krbcheck = '';
+                 }
+             }
+             if (defined($in{'curr_kerb_ver'})) {
+                 if ($in{'curr_krb_ver'} eq '5') {
+                     $check5 = ' checked="checked"';
+                     $check4 = '';
+                 } else {
+                     $check4 = ' checked="checked"';
+                     $check5 = '';
+                 }
+             }
+             if (defined($in{'curr_autharg'})) {
                  $krbarg = $in{'curr_autharg'};
              }
+             if (!$can_assign{'krb4'} && !$can_assign{'krb5'}) {
+                 if (defined($in{'curr_autharg'})) {
+                     $result =
+     &mt('Currently Kerberos authenticated with domain [_1] Version [_2].',
+         $in{'curr_autharg'},$krbver);
+                 } else {
+                     $result =
+     &mt('Currently Kerberos authenticated, Version [_1].',$krbver);
+                 }
+                 return $result;
+             }
+         }
+     } else {
+         if ($authnum == 1) {
+             $authtype = '<input type="hidden" name="login" value="krb" />';
          }
      }
+     if (!$can_assign{'krb4'} && !$can_assign{'krb5'}) {
-     my $jscall = "javascript:changed_radio('krb',$in{'formname'});";
+         return;
-     my $result .= &mt
+     } elsif ($authtype eq '') {
+         if (defined($in{'mode'})) {
+             if ($in{'mode'} eq 'modifycourse') {
+                 if ($authnum == 1) {
+                     $authtype = '<input type="hidden" name="login" value="krb" />';
+                 }
+             }
+         }
+     }
+     $jscall = "javascript:changed_radio('krb',$in{'formname'});";
+     if ($authtype eq '') {
+         $authtype = '<input type="radio" name="login" value="krb" '.
+                     'onclick="'.$jscall.'" onchange="'.$jscall.'"'.
+                     $krbcheck.' />';
+     }
+     if (($can_assign{'krb4'} && $can_assign{'krb5'}) ||
+         ($can_assign{'krb4'} && !$can_assign{'krb5'} &&
+          $in{'curr_authtype'} eq 'krb5') ||
+         (!$can_assign{'krb4'} && $can_assign{'krb5'} &&
+          $in{'curr_authtype'} eq 'krb4')) {
+         $result .= &mt
          ('[_1] Kerberos authenticated with domain [_2] '.
           '[_3] Version 4 [_4] Version 5 [_5]',
-          '<label><input type="radio" name="login" value="krb" '.
+          '<label>'.$authtype,
-              'onclick="'.$jscall.'" onchange="'.$jscall.'"'.$krbcheck.' />',
           '</label><input type="text" size="10" name="krbarg" '.
               'value="'.$krbarg.'" '.
               'onchange="'.$jscall.'" />',
           '<label><input type="radio" name="krbver" value="4" '.$check4.' />',
           '</label><label><input type="radio" name="krbver" value="5" '.$check5.' />',
  	 '</label>');
+     } elsif ($can_assign{'krb4'}) {
+         $result .= &mt
+         ('[_1] Kerberos authenticated with domain [_2] '.
+          '[_3] Version 4 [_4]',
+          '<label>'.$authtype,
+          '</label><input type="text" size="10" name="krbarg" '.
+              'value="'.$krbarg.'" '.
+              'onchange="'.$jscall.'" />',
+          '<label><input type="hidden" name="krbver" value="4" />',
+          '</label>');
+     } elsif ($can_assign{'krb5'}) {
+         $result .= &mt
+         ('[_1] Kerberos authenticated with domain [_2] '.
+          '[_3] Version 5 [_4]',
+          '<label>'.$authtype,
+          '</label><input type="text" size="10" name="krbarg" '.
+              'value="'.$krbarg.'" '.
+              'onchange="'.$jscall.'" />',
+          '<label><input type="hidden" name="krbver" value="5" />',
+          '</label>');
+     }
      return $result;
  }
  sub authform_internal{
-     my %args = (
+     my %in = (
                  formname => 'document.cu',
                  kerb_def_dom => 'MSU.EDU',
                  @_,
                  );
+     my ($intcheck,$intarg,$result,$authtype,$autharg,$jscall);
-     my $intcheck = "";
+     my ($authnum,%can_assign) =  &get_assignable_auth($in{'domain'});
-     my $intarg = 'value=""';
+     if (defined($in{'curr_authtype'})) {
-     if ( grep/^curr_authtype$/,(keys %args) ) {
+         if ($in{'curr_authtype'} eq 'int') {
-         if ($args{'curr_authtype'} eq 'int') {
+             if ($can_assign{'int'}) {
-             $intcheck = " checked=\"on\"";
+                 $intcheck = 'checked="checked" ';
-             if ( grep/^curr_autharg$/,(keys %args) ) {
+                 if (defined($in{'mode'})) {
-                 $intarg = "value=\"$args{'curr_autharg'}\"";
+                     if ($in{'mode'} eq 'modifyuser') {
+                         $intcheck = '';
+                     }
+                 }
+                 if (defined($in{'curr_autharg'})) {
+                     $intarg = $in{'curr_autharg'};
+                 }
+             } else {
+                 $result = &mt('Currently internally authenticated.');
+                 return $result;
              }
          }
+     } else {
+         if ($authnum == 1) {
+             $authtype = '<input type="hidden" name="login" value="int" />';
+         }
      }
+     if (!$can_assign{'int'}) {
-     my $jscall = "javascript:changed_radio('int',$args{'formname'});";
+         return;
-     my $result.=&mt
+     } elsif ($authtype eq '') {
+         if (defined($in{'mode'})) {
+             if ($in{'mode'} eq 'modifycourse') {
+                 if ($authnum == 1) {
+                     $authtype = '<input type="hidden" name="login" value="int" />';
+                 }
+             }
+         }
+     }
+     $jscall = "javascript:changed_radio('int',$in{'formname'});";
+     if ($authtype eq '') {
+         $authtype = '<input type="radio" name="login" value="int" '.$intcheck.
+                     ' onchange="'.$jscall.'" onclick="'.$jscall.'" />';
+     }
+     $autharg = '<input type="password" size="10" name="intarg" value="'.
+                $intarg.'" onchange="'.$jscall.'" />';
+     $result = &mt
          ('[_1] Internally authenticated (with initial password [_2])',
-          '<label><input type="radio" name="login" value="int" '.$intcheck.
+          '<label>'.$authtype,'</label>'.$autharg);
-              ' onchange="'.$jscall.'" onclick="'.$jscall.'" />',
+     $result.="<label><input type=\"checkbox\" name=\"visible\" onClick='if (this.checked) { this.form.intarg.type=\"text\" } else { this.form.intarg.type=\"password\" }' />".&mt('Visible input').'</label>';
-          '</label><input type="text" size="10" name="intarg" '.$intarg.
-              ' onchange="'.$jscall.'" />');
      return $result;
  }
- Line 1819  sub authform_local{
+ Line 2309  sub authform_local{
                kerb_def_dom => 'MSU.EDU',
                @_,
                );
+     my ($loccheck,$locarg,$result,$authtype,$autharg,$jscall);
-     my $loccheck = "";
+     my ($authnum,%can_assign) =  &get_assignable_auth($in{'domain'});
-     my $locarg = 'value=""';
+     if (defined($in{'curr_authtype'})) {
-     if ( grep/^curr_authtype$/,(keys %in) ) {
          if ($in{'curr_authtype'} eq 'loc') {
-             $loccheck = " checked=\"on\"";
+             if ($can_assign{'loc'}) {
-             if ( grep/^curr_autharg$/,(keys %in) ) {
+                 $loccheck = 'checked="checked" ';
-                 $locarg = "value=\"$in{'curr_autharg'}\"";
+                 if (defined($in{'mode'})) {
+                     if ($in{'mode'} eq 'modifyuser') {
+                         $loccheck = '';
+                     }
+                 }
+                 if (defined($in{'curr_autharg'})) {
+                     $locarg = $in{'curr_autharg'};
+                 }
+             } else {
+                 $result = &mt('Currently using local (institutional) authentication.');
+                 return $result;
              }
          }
+     } else {
+         if ($authnum == 1) {
+             $authtype = '<input type="hidden" name="login" value="loc" />';
+         }
      }
+     if (!$can_assign{'loc'}) {
-     my $jscall = "javascript:changed_radio('loc',$in{'formname'});";
+         return;
-     my $result.=&mt('[_1] Local Authentication with argument [_2]',
+     } elsif ($authtype eq '') {
-                     '<label><input type="radio" name="login" value="loc" '.$loccheck.
+         if (defined($in{'mode'})) {
-                         ' onchange="'.$jscall.'" onclick="'.$jscall.'" />',
+             if ($in{'mode'} eq 'modifycourse') {
-                     '</label><input type="text" size="10" name="locarg" '.$locarg.
+                 if ($authnum == 1) {
-                         ' onchange="'.$jscall.'" />');
+                     $authtype = '<input type="hidden" name="login" value="loc" />';
+                 }
+             }
+         }
+     }
+     $jscall = "javascript:changed_radio('loc',$in{'formname'});";
+     if ($authtype eq '') {
+         $authtype = '<input type="radio" name="login" value="loc" '.
+                     $loccheck.' onchange="'.$jscall.'" onclick="'.
+                     $jscall.'" />';
+     }
+     $autharg = '<input type="text" size="10" name="locarg" value="'.
+                $locarg.'" onchange="'.$jscall.'" />';
+     $result = &mt('[_1] Local Authentication with argument [_2]',
+                   '<label>'.$authtype,'</label>'.$autharg);
      return $result;
  }
- Line 1846  sub authform_filesystem{
+ Line 2363  sub authform_filesystem{
                kerb_def_dom => 'MSU.EDU',
                @_,
                );
-     my $jscall = "javascript:changed_radio('fsys',$in{'formname'});";
+     my ($fsyscheck,$result,$authtype,$autharg,$jscall);
-     my $result.= &mt
+     my ($authnum,%can_assign) =  &get_assignable_auth($in{'domain'});
+     if (defined($in{'curr_authtype'})) {
+         if ($in{'curr_authtype'} eq 'fsys') {
+             if ($can_assign{'fsys'}) {
+                 $fsyscheck = 'checked="checked" ';
+                 if (defined($in{'mode'})) {
+                     if ($in{'mode'} eq 'modifyuser') {
+                         $fsyscheck = '';
+                     }
+                 }
+             } else {
+                 $result = &mt('Currently Filesystem Authenticated.');
+                 return $result;
+             }
+         }
+     } else {
+         if ($authnum == 1) {
+             $authtype = '<input type="hidden" name="login" value="fsys" />';
+         }
+     }
+     if (!$can_assign{'fsys'}) {
+         return;
+     } elsif ($authtype eq '') {
+         if (defined($in{'mode'})) {
+             if ($in{'mode'} eq 'modifycourse') {
+                 if ($authnum == 1) {
+                     $authtype = '<input type="hidden" name="login" value="fsys" />';
+                 }
+             }
+         }
+     }
+     $jscall = "javascript:changed_radio('fsys',$in{'formname'});";
+     if ($authtype eq '') {
+         $authtype = '<input type="radio" name="login" value="fsys" '.
+                     $fsyscheck.' onchange="'.$jscall.'" onclick="'.
+                     $jscall.'" />';
+     }
+     $autharg = '<input type="text" size="10" name="fsysarg" value=""'.
+                ' onchange="'.$jscall.'" />';
+     $result = &mt
          ('[_1] Filesystem Authenticated (with initial password [_2])',
           '<label><input type="radio" name="login" value="fsys" '.
-          'onchange="'.$jscall.'" onclick="'.$jscall.'" />',
+          $fsyscheck.'onchange="'.$jscall.'" onclick="'.$jscall.'" />',
-          '</label><input type="text" size="10" name="fsysarg" value="" '.
+          '</label><input type="password" size="10" name="fsysarg" value="" '.
                    'onchange="'.$jscall.'" />');
      return $result;
  }
- ###############################################################
+ sub get_assignable_auth {
- ##    Get Authentication Defaults for Domain                 ##
+     my ($dom) = @_;
- ###############################################################
+     if ($dom eq '') {
+         $dom = $env{'request.role.domain'};
- =pod
+     }
+     my %can_assign = (
- =head1 Domains and Authentication
+                           krb4 => 1,
+                           krb5 => 1,
- Returns default authentication type and an associated argument as
+                           int  => 1,
- listed in file 'domain.tab'.
+                           loc  => 1,
+                      );
- =over 4
+     my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$dom);
+     if (ref($domconfig{'usercreation'}) eq 'HASH') {
- =item * get_auth_defaults
+         if (ref($domconfig{'usercreation'}{'authtypes'}) eq 'HASH') {
+             my $authhash = $domconfig{'usercreation'}{'authtypes'};
- get_auth_defaults($target_domain) returns the default authentication
+             my $context;
- type and an associated argument (initial password or a kerberos domain).
+             if ($env{'request.role'} =~ /^au/) {
- These values are stored in lonTabs/domain.tab
+                 $context = 'author';
+             } elsif ($env{'request.role'} =~ /^dc/) {
- ($def_auth, $def_arg) = &get_auth_defaults($target_domain);
+                 $context = 'domain';
+             } elsif ($env{'request.course.id'}) {
- If target_domain is not found in domain.tab, returns nothing ('').
+                 $context = 'course';
+             }
- =cut
+             if ($context) {
+                 if (ref($authhash->{$context}) eq 'HASH') {
- #-------------------------------------------
+                    %can_assign = %{$authhash->{$context}};
- sub get_auth_defaults {
+                 }
-     my $domain=shift;
+             }
-     return ($Apache::lonnet::domain_auth_def{$domain},$Apache::lonnet::domain_auth_arg_def{$domain});
+         }
+     }
+     my $authnum = 0;
+     foreach my $key (keys(%can_assign)) {
+         if ($can_assign{$key}) {
+             $authnum ++;
+         }
+     }
+     if ($can_assign{'krb4'} && $can_assign{'krb5'}) {
+         $authnum --;
+     }
+     return ($authnum,%can_assign);
  }
- ###############################################################
- ##   End Get Authentication Defaults for Domain              ##
- ###############################################################
  ###############################################################
  ##    Get Kerberos Defaults for Domain                 ##
- Line 1902  sub get_auth_defaults {
+ Line 2466  sub get_auth_defaults {
  =pod
- =item * get_kerberos_defaults
+ =item * &get_kerberos_defaults()
  get_kerberos_defaults($target_domain) returns the default kerberos
- version and domain. If not found in domain.tabs, it defaults to
+ version and domain. If not found, it defaults to version 4 and the
- version 4 and the domain of the server.
+ domain of the server.
+ =over 4
  ($def_version, $def_krb_domain) = &get_kerberos_defaults($target_domain);
+ =back
+ =back
  =cut
  #-------------------------------------------
  sub get_kerberos_defaults {
      my $domain=shift;
-     my ($krbdef,$krbdefdom) =
+     my ($krbdef,$krbdefdom);
-         &Apache::loncommon::get_auth_defaults($domain);
+     my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
-     unless ($krbdef =~/^krb/ && $krbdefdom) {
+     if (($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) {
+         $krbdef = $domdefaults{'auth_def'};
+         $krbdefdom = $domdefaults{'auth_arg_def'};
+     } else {
          $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
          my $krbdefdom=$1;
          $krbdefdom=~tr/a-z/A-Z/;
- Line 1926  sub get_kerberos_defaults {
+ Line 2499  sub get_kerberos_defaults {
      return ($krbdef,$krbdefdom);
  }
- =pod
- =back
- =cut
  ###############################################################
  ##                Thesaurus Functions                        ##
- Line 1942  sub get_kerberos_defaults {
+ Line 2510  sub get_kerberos_defaults {
  =over 4
- =item * initialize_keywords
+ =item * &initialize_keywords()
  Initializes the package variable %Keywords if it is empty.  Uses the
  package variable $thesaurus_db_file.
- Line 1979  sub initialize_keywords {
+ Line 2547  sub initialize_keywords {
      # Remove special values from %Keywords.
      foreach my $value ('total.count','average.count') {
          delete($Keywords{$value}) if (exists($Keywords{$value}));
-     }
+   }
      return 1;
  }
- Line 1987  sub initialize_keywords {
+ Line 2555  sub initialize_keywords {
  =pod
- =item * keyword($word)
+ =item * &keyword($word)
  Returns true if $word is a keyword.  A keyword is a word that appears more
  than the average number of times in the thesaurus database.  Calls
- Line 2008  sub keyword {
+ Line 2576  sub keyword {
  =pod
- =item * get_related_words
+ =item * &get_related_words()
  Look up a word in the thesaurus.  Takes a scalar argument and returns
  an array of words.  If the keyword is not in the thesaurus, an empty array
- Line 2066  sub get_related_words {
+ Line 2634  sub get_related_words {
  =over 4
- =item * plainname($uname,$udom,$first)
+ =item * &plainname($uname,$udom,$first)
  Takes a users logon name and returns it as a string in
  "first middle last generation" form
- Line 2079  if $first is set to 'lastname' then it r
+ Line 2647  if $first is set to 'lastname' then it r
  ###############################################################
  sub plainname {
      my ($uname,$udom,$first)=@_;
+     return if (!defined($uname) || !defined($udom));
      my %names=&getnames($uname,$udom);
      my $name=&Apache::lonnet::format_name($names{'firstname'},
  					  $names{'middlename'},
- Line 2094  sub plainname {
+ Line 2663  sub plainname {
  # -------------------------------------------------------------------- Nickname
  =pod
- =item * nickname($uname,$udom)
+ =item * &nickname($uname,$udom)
  Gets a users name and returns it as a string as
- Line 2110  if the user does not
+ Line 2679  if the user does not
  sub nickname {
      my ($uname,$udom)=@_;
+     return if (!defined($uname) || !defined($udom));
      my %names=&getnames($uname,$udom);
      my $name=$names{'nickname'};
      if ($name) {
- Line 2125  sub nickname {
+ Line 2695  sub nickname {
  sub getnames {
      my ($uname,$udom)=@_;
+     return if (!defined($uname) || !defined($udom));
      if ($udom eq 'public' && $uname eq 'public') {
  	return ('lastname' => &mt('Public'));
      }
- Line 2141  sub getnames {
+ Line 2712  sub getnames {
      }
  }
+ # -------------------------------------------------------------------- getemails
+ =pod
+ =item * &getemails($uname,$udom)
+ Gets a user's email information and returns it as a hash with keys:
+ notification, critnotification, permanentemail
+ For notification and critnotification, values are comma-separated lists
+ of e-mail addresses; for permanentemail, value is a single e-mail address.
+ =cut
  sub getemails {
      my ($uname,$udom)=@_;
      if ($udom eq 'public' && $uname eq 'public') {
- Line 2162  sub getemails {
+ Line 2749  sub getemails {
      }
  }
+ sub flush_email_cache {
+     my ($uname,$udom)=@_;
+     if (!$udom)  { $udom =$env{'user.domain'}; }
+     if (!$uname) { $uname=$env{'user.name'};   }
+     return if ($udom eq 'public' && $uname eq 'public');
+     my $id=$uname.':'.$udom;
+     &Apache::lonnet::devalidate_cache_new('emailscache',$id);
+ }
+ # -------------------------------------------------------------------- getlangs
+ =pod
+ =item * &getlangs($uname,$udom)
+ Gets a user's language preference and returns it as a hash with key:
+ language.
+ =cut
+ sub getlangs {
+     my ($uname,$udom) = @_;
+     if (!$udom)  { $udom =$env{'user.domain'}; }
+     if (!$uname) { $uname=$env{'user.name'};   }
+     my $id=$uname.':'.$udom;
+     my ($langs,$cached)=&Apache::lonnet::is_cached_new('userlangs',$id);
+     if ($cached) {
+         return %{$langs};
+     } else {
+         my %loadlangs=&Apache::lonnet::get('environment',['languages'],
+                                            $udom,$uname);
+         &Apache::lonnet::do_cache_new('userlangs',$id,\%loadlangs);
+         return %loadlangs;
+     }
+ }
+ sub flush_langs_cache {
+     my ($uname,$udom)=@_;
+     if (!$udom)  { $udom =$env{'user.domain'}; }
+     if (!$uname) { $uname=$env{'user.name'};   }
+     return if ($udom eq 'public' && $uname eq 'public');
+     my $id=$uname.':'.$udom;
+     &Apache::lonnet::devalidate_cache_new('userlangs',$id);
+ }
  # ------------------------------------------------------------------ Screenname
  =pod
- =item * screenname($uname,$udom)
+ =item * &screenname($uname,$udom)
  Gets a users screenname and returns it as a string
- Line 2181  sub screenname {
+ Line 2814  sub screenname {
  }
+ # ------------------------------------------------------------- Confirm Wrapper
+ =pod
+ =item confirmwrapper
+ Wrap messages about completion of operation in box
+ =cut
+ sub confirmwrapper {
+     my ($message)=@_;
+     if ($message) {
+         return "\n".'<div class="LC_confirm_box">'."\n"
+                .$message."\n"
+                .'</div>'."\n";
+     } else {
+         return $message;
+     }
+ }
  # ------------------------------------------------------------- Message Wrapper
  sub messagewrapper {
- Line 2191  sub messagewrapper {
+ Line 2844  sub messagewrapper {
  	'&amp;subject='.&escape($subject).'&amp;text='.&escape($text).'" '.
          'title="'.&mt('Send message').'">'.$link.'</a>';
  }
  # --------------------------------------------------------------- Notes Wrapper
  sub noteswrapper {
- Line 2198  sub noteswrapper {
+ Line 2852  sub noteswrapper {
      return
  "<a href='/adm/email?recordftf=retrieve&recname=$un&recdom=$do'>$link</a>";
  }
  # ------------------------------------------------------------- Aboutme Wrapper
  sub aboutmewrapper {
- Line 2206  sub aboutmewrapper {
+ Line 2861  sub aboutmewrapper {
          return;
      }
      return '<a href="/adm/'.$domain.'/'.$username.'/aboutme"'.
- 	($target?' target="$target"':'').' title="'.&mt("View this user's personal page").'">'.$link.'</a>';
+ 	($target?' target="$target"':'').' title="'.&mt("View this user's personal information page").'">'.$link.'</a>';
  }
  # ------------------------------------------------------------ Syllabus Wrapper
  sub syllabuswrapper {
-     my ($linktext,$coursedir,$domain,$fontcolor)=@_;
+     my ($linktext,$coursedir,$domain)=@_;
-     if ($fontcolor) {
-         $linktext='<font color="'.$fontcolor.'">'.$linktext.'</font>';
-     }
      return qq{<a href="/public/$domain/$coursedir/syllabus">$linktext</a>};
  }
+ # -----------------------------------------------------------------------------
  sub track_student_link {
      my ($linktext,$sname,$sdom,$target,$start) = @_;
      my $link ="/adm/trackstudent?";
- Line 2235  sub track_student_link {
+ Line 2888  sub track_student_link {
          $target = '';
      }
      if ($start) { $link.='&amp;start='.$start; }
+     $title = &mt($title);
+     $linktext = &mt($linktext);
      return qq{<a href="$link" title="$title" $target>$linktext</a>}.
  	&help_open_topic('View_recent_activity');
  }
+ sub slot_reservations_link {
+     my ($linktext,$sname,$sdom,$target) = @_;
+     my $link ="/adm/slotrequest?command=showresv&amp;origin=aboutme";
+     my $title = 'View slot reservation history';
+     if (defined($sname) && $sname !~ /^\s*$/ &&
+         defined($sdom)  && $sdom  !~ /^\s*$/) {
+         $link .= "&amp;uname=$sname&amp;udom=$sdom";
+         $title .= ' of this student';
+     }
+     if (defined($target) && $target !~ /^\s*$/) {
+         $target = qq{target="$target"};
+     } else {
+         $target = '';
+     }
+     $title = &mt($title);
+     $linktext = &mt($linktext);
+     return qq{<a href="$link" title="$title" $target>$linktext</a>};
+ # FIXME uncomment when help item created: &help_open_topic('Slot_Reservation_History');
+ }
+ # ===================================================== Display a student photo
+ sub student_image_tag {
+     my ($domain,$user)=@_;
+     my $imgsrc=&Apache::lonnet::studentphoto($domain,$user,'jpg');
+     if (($imgsrc) && ($imgsrc ne '/adm/lonKaputt/lonlogo_broken.gif')) {
+ 	return '<img src="'.$imgsrc.'" align="right" />';
+     } else {
+ 	return '';
+     }
+ }
  =pod
  =back
- Line 2248  sub track_student_link {
+ Line 2936  sub track_student_link {
  =over 4
- =item * languageids()
+ =item * &languageids()
  returns list of all language ids
- Line 2260  sub languageids {
+ Line 2948  sub languageids {
  =pod
- =item * languagedescription()
+ =item * &languagedescription()
  returns description of a specified language id
- Line 2285  sub supportedlanguagecode {
+ Line 2973  sub supportedlanguagecode {
  =pod
- =item * copyrightids()
+ =item * &copyrightids()
  returns list of all copyrights
- Line 2297  sub copyrightids {
+ Line 2985  sub copyrightids {
  =pod
- =item * copyrightdescription()
+ =item * &copyrightdescription()
  returns description of a specified copyright id
- Line 2309  sub copyrightdescription {
+ Line 2997  sub copyrightdescription {
  =pod
- =item * source_copyrightids()
+ =item * &source_copyrightids()
  returns list of all source copyrights
- Line 2321  sub source_copyrightids {
+ Line 3009  sub source_copyrightids {
  =pod
- =item * source_copyrightdescription()
+ =item * &source_copyrightdescription()
  returns description of a specified source copyright id
- Line 2333  sub source_copyrightdescription {
+ Line 3021  sub source_copyrightdescription {
  =pod
- =item * filecategories()
+ =item * &filecategories()
  returns list of all file categories
- Line 2345  sub filecategories {
+ Line 3033  sub filecategories {
  =pod
- =item * filecategorytypes()
+ =item * &filecategorytypes()
  returns list of file types belonging to a given file
  category
- Line 2359  sub filecategorytypes {
+ Line 3047  sub filecategorytypes {
  =pod
- =item * fileembstyle()
+ =item * &fileembstyle()
  returns embedding style for a specified file type
- Line 2383  sub filecategoryselect {
+ Line 3071  sub filecategoryselect {
  =pod
- =item * filedescription()
+ =item * &filedescription()
  returns description for a specified file type
- Line 2397  sub filedescription {
+ Line 3085  sub filedescription {
  =pod
- =item * filedescriptionex()
+ =item * &filedescriptionex()
  returns description for a specified file type with
  extra formatting
- Line 2429  sub fileextensions {
+ Line 3117  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($ENV{'QUERY_STRING'},['displaylanguage']);
- Line 2441  sub display_languages {
+ Line 3129  sub display_languages {
      return %languages;
  }
- sub preferred_languages {
+ sub languages {
-     my @languages=();
+     my ($possible_langs) = @_;
-     if ($env{'course.'.$env{'request.course.id'}.'.languages'}) {
+     my @preferred_langs = &Apache::lonlocal::preferred_languages();
- 	@languages=(@languages,split(/\s*(\,|\;|\:)\s*/,
+     if (!ref($possible_langs)) {
- 	         $env{'course.'.$env{'request.course.id'}.'.languages'}));
+ 	if( wantarray ) {
-     }
+ 	    return @preferred_langs;
-     if ($env{'environment.languages'}) {
+ 	} else {
- 	@languages=(@languages,
+ 	    return $preferred_langs[0];
- 		    split(/\s*(\,|\;|\:)\s*/,$env{'environment.languages'}));
+ 	}
      }
-     my $browser=(split(/\;/,$ENV{'HTTP_ACCEPT_LANGUAGE'}))[0];
+     my %possibilities = map { $_ => 1 } (@$possible_langs);
-     if ($browser) {
+     my @preferred_possibilities;
- 	@languages=(@languages,split(/\s*(\,|\;|\:)\s*/,$browser));
+     foreach my $preferred_lang (@preferred_langs) {
-     }
+ 	if (exists($possibilities{$preferred_lang})) {
-     if ($Apache::lonnet::domain_lang_def{$env{'user.domain'}}) {
+ 	    push(@preferred_possibilities, $preferred_lang);
- 	@languages=(@languages,
- 		$Apache::lonnet::domain_lang_def{$env{'user.domain'}});
-     }
-     if ($Apache::lonnet::domain_lang_def{$env{'request.role.domain'}}) {
- 	@languages=(@languages,
- 		$Apache::lonnet::domain_lang_def{$env{'request.role.domain'}});
-     }
-     if ($Apache::lonnet::domain_lang_def{
- 	                          $Apache::lonnet::perlvar{'lonDefDomain'}}) {
- 	@languages=(@languages,
- 		$Apache::lonnet::domain_lang_def{
-                                   $Apache::lonnet::perlvar{'lonDefDomain'}});
-     }
- # 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]);
  	}
      }
-     return @genlanguages;
+     if( wantarray ) {
+ 	return @preferred_possibilities;
+     }
+     return $preferred_possibilities[0];
+ }
+ sub user_lang {
+     my ($touname,$toudom,$fromcid) = @_;
+     my @userlangs;
+     if (($fromcid ne '') && ($env{'course.'.$fromcid.'.languages'} ne '')) {
+         @userlangs=(@userlangs,split(/\s*(\,|\;|\:)\s*/,
+                     $env{'course.'.$fromcid.'.languages'}));
+     } else {
+         my %langhash = &getlangs($touname,$toudom);
+         if ($langhash{'languages'} ne '') {
+             @userlangs = split(/\s*(\,|\;|\:)\s*/,$langhash{'languages'});
+         } else {
+             my %domdefs = &Apache::lonnet::get_domain_defaults($toudom);
+             if ($domdefs{'lang_def'} ne '') {
+                 @userlangs = ($domdefs{'lang_def'});
+             }
+         }
+     }
+     my @languages=&Apache::lonlocal::get_genlanguages(@userlangs);
+     my $user_lh = Apache::localize->get_handle(@languages);
+     return $user_lh;
  }
  ###############################################################
  ##               Student Answer Attempts                     ##
  ###############################################################
- Line 2491  sub preferred_languages {
+ Line 3185  sub preferred_languages {
  =over 4
- =item * get_previous_attempt($symb, $username, $domain, $course,
+ =item * &get_previous_attempt($symb, $username, $domain, $course,
      $getattempt, $regexp, $gradesub)
  Return string with previous attempt on problem. Arguments:
- Line 2535  sub get_previous_attempt {
+ Line 3229  sub get_previous_attempt {
  	  $lasthash{$key}=$returnhash{$version.':'.$key};
          }
        }
-       $prevattempts='<table border="0" width="100%"><tr><td bgcolor="#777777">';
+       $prevattempts=&start_data_table().&start_data_table_header_row();
-       $prevattempts.='<table border="0" width="100%"><tr bgcolor="#e6ffff"><td>History</td>';
+       $prevattempts.='<th>'.&mt('History').'</th>';
        foreach my $key (sort(keys(%lasthash))) {
  	my ($ign,@parts) = split(/\./,$key);
  	if ($#parts > 0) {
  	  my $data=$parts[-1];
  	  pop(@parts);
- 	  $prevattempts.='<td>Part '.join('.',@parts).'<br />'.$data.'&nbsp;</td>';
+ 	  $prevattempts.='<th>'.&mt('Part ').join('.',@parts).'<br />'.$data.'&nbsp;</th>';
  	} else {
  	  if ($#parts == 0) {
  	    $prevattempts.='<th>'.$parts[0].'</th>';
- Line 2551  sub get_previous_attempt {
+ Line 3245  sub get_previous_attempt {
  	  }
  	}
        }
+       $prevattempts.=&end_data_table_header_row();
        if ($getattempt eq '') {
  	for ($version=1;$version<=$returnhash{'version'};$version++) {
- 	  $prevattempts.='</tr><tr bgcolor="#ffffe6"><td>Transaction '.$version.'</td>';
+ 	  $prevattempts.=&start_data_table_row().
+ 	      '<td>'.&mt('Transaction [_1]',$version).'</td>';
  	    foreach my $key (sort(keys(%lasthash))) {
- 	       my $value;
+ 		my $value = &format_previous_attempt_value($key,
- 	       if ($key =~ /timestamp/) {
+ 							   $returnhash{$version.':'.$key});
- 		  $value=scalar(localtime($returnhash{$version.':'.$key}));
+ 		$prevattempts.='<td>'.$value.'&nbsp;</td>';
- 	       } else {
- 		  $value=$returnhash{$version.':'.$key};
- 	       }
- 	       $prevattempts.='<td>'.&unescape($value).'&nbsp;</td>';
  	    }
+ 	  $prevattempts.=&end_data_table_row();
  	 }
        }
-       $prevattempts.='</tr><tr bgcolor="#ffffe6"><td>Current</td>';
+       $prevattempts.=&start_data_table_row().'<td>'.&mt('Current').'</td>';
        foreach my $key (sort(keys(%lasthash))) {
- 	my $value;
+ 	my $value = &format_previous_attempt_value($key,$lasthash{$key});
- 	if ($key =~ /timestamp/) {
- 	  $value=scalar(localtime($lasthash{$key}));
- 	} else {
- 	  $value=$lasthash{$key};
- 	}
- 	$value=&unescape($value);
  	if ($key =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)}
  	$prevattempts.='<td>'.$value.'&nbsp;</td>';
        }
-       $prevattempts.='</tr></table></td></tr></table>';
+       $prevattempts.= &end_data_table_row().&end_data_table();
      } else {
-       $prevattempts='Nothing submitted - no attempts.';
+       $prevattempts=
+ 	  &start_data_table().&start_data_table_row().
+ 	  '<td>'.&mt('Nothing submitted - no attempts.').'</td>'.
+ 	  &end_data_table_row().&end_data_table();
      }
    } else {
-     $prevattempts='No data.';
+     $prevattempts=
+ 	  &start_data_table().&start_data_table_row().
+ 	  '<td>'.&mt('No data.').'</td>'.
+ 	  &end_data_table_row().&end_data_table();
    }
  }
+ sub format_previous_attempt_value {
+     my ($key,$value) = @_;
+     if ($key =~ /timestamp/) {
+ 	$value = &Apache::lonlocal::locallocaltime($value);
+     } elsif (ref($value) eq 'ARRAY') {
+ 	$value = '('.join(', ', @{ $value }).')';
+     } else {
+ 	$value = &unescape($value);
+     }
+     return $value;
+ }
  sub relative_to_absolute {
      my ($url,$output)=@_;
      my $parser=HTML::TokeParser->new(\$output);
- Line 2607  sub relative_to_absolute {
+ Line 3313  sub relative_to_absolute {
      }
      $thisdir=~s-/[^/]*$--;
      foreach my $link (@rlinks) {
- 	unless (($link=~/^http:\/\//i) ||
+ 	unless (($link=~/^https?\:\/\//i) ||
  		($link=~/^\//) ||
  		($link=~/^javascript:/i) ||
  		($link=~/^mailto:/i) ||
- Line 2623  sub relative_to_absolute {
+ Line 3329  sub relative_to_absolute {
  =pod
- =item * get_student_view
+ =item * &get_student_view()
  show a snapshot of what student was looking at
- Line 2642  sub get_student_view {
+ Line 3348  sub get_student_view {
    }
    if (defined($target)) { $form{'grade_target'} = $target; }
    $feedurl=&Apache::lonnet::clutter($feedurl);
-   my $userview=&Apache::lonnet::ssi_body($feedurl,%form);
+   my ($userview,$response)=&Apache::lonnet::ssi_body($feedurl,%form);
    $userview=~s/\<body[^\>]*\>//gi;
    $userview=~s/\<\/body\>//gi;
    $userview=~s/\<html\>//gi;
- Line 2651  sub get_student_view {
+ Line 3357  sub get_student_view {
    $userview=~s/\<\/head\>//gi;
    $userview=~s/action\s*\=/would_be_action\=/gi;
    $userview=&relative_to_absolute($feedurl,$userview);
-   return $userview;
+   if (wantarray) {
+      return ($userview,$response);
+   } else {
+      return $userview;
+   }
+ }
+ sub get_student_view_with_retries {
+   my ($symb,$retries,$username,$domain,$courseid,$target,$moreenv) = @_;
+     my $ok = 0;                 # True if we got a good response.
+     my $content;
+     my $response;
+     # Try to get the student_view done. within the retries count:
+     do {
+          ($content, $response) = &get_student_view($symb,$username,$domain,$courseid,$target,$moreenv);
+          $ok      = $response->is_success;
+          if (!$ok) {
+             &Apache::lonnet::logthis("Failed get_student_view_with_retries on $symb: ".$response->is_success.', '.$response->code.', '.$response->message);
+          }
+          $retries--;
+     } while (!$ok && ($retries > 0));
+     if (!$ok) {
+        $content = '';          # On error return an empty content.
+     }
+     if (wantarray) {
+        return ($content, $response);
+     } else {
+        return $content;
+     }
  }
  =pod
- =item * get_student_answers()
+ =item * &get_student_answers()
  show a snapshot of how student was answering problem
- Line 2672  sub get_student_answers {
+ Line 3410  sub get_student_answers {
    }
    $moreenv{'grade_target'}='answer';
    %moreenv=(%form,%moreenv);
-   my $userview=&Apache::lonnet::ssi('/res/'.$feedurl,%moreenv);
+   $feedurl = &Apache::lonnet::clutter($feedurl);
+   my $userview=&Apache::lonnet::ssi($feedurl,%moreenv);
    return $userview;
  }
- Line 2743  sub pprmlink {
+ Line 3482  sub pprmlink {
      if (!$symb) { $symb=&Apache::lonnet::symbread(); }
      $symb=&escape($symb);
      if ($target) { $target="target=\"$target\""; }
-     return '<a href="/adm/parmset?&command=set&'.
+     return '<a href="/adm/parmset?command=set&amp;'.
- 	'symb='.$symb.'&uname='.$uname.
+ 	'symb='.$symb.'&amp;uname='.$uname.
- 	'&udom='.$udom.'" '.$target.'>'.$text.'</a>';
+ 	'&amp;udom='.$udom.'" '.$target.'>'.$text.'</a>';
  }
  ##############################################
- Line 2759  sub pprmlink {
+ Line 3498  sub pprmlink {
  sub timehash {
-     my @ltime=localtime(shift);
+     my ($thistime) = @_;
-     return ( 'seconds' => $ltime[0],
+     my $timezone = &Apache::lonlocal::gettimezone();
-              'minutes' => $ltime[1],
+     my $dt = DateTime->from_epoch(epoch => $thistime)
-              'hours'   => $ltime[2],
+                      ->set_time_zone($timezone);
-              'day'     => $ltime[3],
+     my $wday = $dt->day_of_week();
-              'month'   => $ltime[4]+1,
+     if ($wday == 7) { $wday = 0; }
-              'year'    => $ltime[5]+1900,
+     return ( 'second' => $dt->second(),
-              'weekday' => $ltime[6],
+              'minute' => $dt->minute(),
-              'dayyear' => $ltime[7]+1,
+              'hour'   => $dt->hour(),
-              'dlsav'   => $ltime[8] );
+              'day'     => $dt->day_of_month(),
+              'month'   => $dt->month(),
+              'year'    => $dt->year(),
+              'weekday' => $wday,
+              'dayyear' => $dt->day_of_year(),
+              'dlsav'   => $dt->is_dst() );
  }
  sub utc_string {
- Line 2778  sub utc_string {
+ Line 3522  sub utc_string {
  sub maketime {
      my %th=@_;
+     my ($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,$th{'year'}-1900,0,0,-1));
- Line 2786  sub maketime {
+ Line 3548  sub maketime {
  #########################################
  sub findallcourses {
-     my ($roles) = @_;
+     my ($roles,$uname,$udom) = @_;
      my %roles;
      if (ref($roles)) { %roles = map { $_ => 1 } @{$roles}; }
      my %courses;
      my $now=time;
-     foreach my $key (keys(%env)) {
+     if (!defined($uname)) {
- 	if ( $key=~m{^user\.role\.(\w+)\./(\w+)/(\w+)} ) {
+         $uname = $env{'user.name'};
- 	    my ($role,$domain,$id) = ($1,$2,$3);
+     }
- 	    next if ($role eq 'ca' || $role eq 'aa');
+     if (!defined($udom)) {
- 	    next if (%roles && !exists($roles{$role}));
+         $udom = $env{'user.domain'};
- 	    my ($starttime,$endtime)=split(/\./,$env{$key});
+     }
-             my $active=1;
+     if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
-             if ($starttime) {
+         my %roleshash = &Apache::lonnet::dump('roles',$udom,$uname);
- 		if ($now<$starttime) { $active=0; }
+         if (!%roles) {
+             %roles = (
+                        cc => 1,
+                        in => 1,
+                        ep => 1,
+                        ta => 1,
+                        cr => 1,
+                        st => 1,
+              );
+         }
+         foreach my $entry (keys(%roleshash)) {
+             my ($trole,$tend,$tstart) = split(/_/,$roleshash{$entry});
+             if ($trole =~ /^cr/) {
+                 next if (!exists($roles{$trole}) && !exists($roles{'cr'}));
+             } else {
+                 next if (!exists($roles{$trole}));
+             }
+             if ($tend) {
+                 next if ($tend < $now);
              }
-             if ($endtime) {
+             if ($tstart) {
-                 if ($now>$endtime) { $active=0; }
+                 next if ($tstart > $now);
+             }
+             my ($cdom,$cnum,$sec,$cnumpart,$secpart,$role,$realsec);
+             (undef,$cdom,$cnumpart,$secpart) = split(/\//,$entry);
+             if ($secpart eq '') {
+                 ($cnum,$role) = split(/_/,$cnumpart);
+                 $sec = 'none';
+                 $realsec = '';
+             } else {
+                 $cnum = $cnumpart;
+                 ($sec,$role) = split(/_/,$secpart);
+                 $realsec = $sec;
+             }
+             $courses{$cdom.'_'.$cnum}{$sec} = $trole.'/'.$cdom.'/'.$cnum.'/'.$realsec;
+         }
+     } else {
+         foreach my $key (keys(%env)) {
+ 	    if ( $key=~m{^user\.role\.(\w+)\./($match_domain)/($match_courseid)/?(\w*)$} ||
+                  $key=~m{^user\.role\.(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_courseid)/?(\w*)$}) {
+ 	        my ($role,$cdom,$cnum,$sec) = ($1,$2,$3,$4);
+ 	        next if ($role eq 'ca' || $role eq 'aa');
+ 	        next if (%roles && !exists($roles{$role}));
+ 	        my ($starttime,$endtime)=split(/\./,$env{$key});
+                 my $active=1;
+                 if ($starttime) {
+ 		    if ($now<$starttime) { $active=0; }
+                 }
+                 if ($endtime) {
+                     if ($now>$endtime) { $active=0; }
+                 }
+                 if ($active) {
+                     if ($sec eq '') {
+                         $sec = 'none';
+                     }
+                     $courses{$cdom.'_'.$cnum}{$sec} =
+                                      $role.'/'.$cdom.'/'.$cnum.'/'.$sec;
+                 }
              }
-             if ($active) { $courses{$domain.'_'.$id}=1; }
          }
      }
-     return keys(%courses);
+     return %courses;
  }
  ###############################################
+ sub blockcheck {
+     my ($setters,$activity,$uname,$udom) = @_;
+     if (!defined($udom)) {
+         $udom = $env{'user.domain'};
+     }
+     if (!defined($uname)) {
+         $uname = $env{'user.name'};
+     }
+     # If uname and udom are for a course, check for blocks in the course.
+     if (&Apache::lonnet::is_course($udom,$uname)) {
+         my %records = &Apache::lonnet::dump('comm_block',$udom,$uname);
+         my ($startblock,$endblock)=&get_blocks($setters,$activity,$udom,$uname);
+         return ($startblock,$endblock);
+     }
+     my $startblock = 0;
+     my $endblock = 0;
+     my %live_courses = &findallcourses(undef,$uname,$udom);
+     # If uname is for a user, and activity is course-specific, i.e.,
+     # boards, chat or groups, check for blocking in current course only.
+     if (($activity eq 'boards' || $activity eq 'chat' ||
+          $activity eq 'groups') && ($env{'request.course.id'})) {
+         foreach my $key (keys(%live_courses)) {
+             if ($key ne $env{'request.course.id'}) {
+                 delete($live_courses{$key});
+             }
+         }
+     }
+     my $otheruser = 0;
+     my %own_courses;
+     if ((($uname ne $env{'user.name'})) || ($udom ne $env{'user.domain'})) {
+         # Resource belongs to user other than current user.
+         $otheruser = 1;
+         # Gather courses for current user
+         %own_courses =
+             &findallcourses(undef,$env{'user.name'},$env{'user.domain'});
+     }
+     # Gather active course roles - course coordinator, instructor,
+     # exam proctor, ta, student, or custom role.
+     foreach my $course (keys(%live_courses)) {
+         my ($cdom,$cnum);
+         if ((defined($env{'course.'.$course.'.domain'})) && (defined($env{'course.'.$course.'.num'}))) {
+             $cdom = $env{'course.'.$course.'.domain'};
+             $cnum = $env{'course.'.$course.'.num'};
+         } else {
+             ($cdom,$cnum) = split(/_/,$course);
+         }
+         my $no_ownblock = 0;
+         my $no_userblock = 0;
+         if ($otheruser && $activity ne 'com') {
+             # Check if current user has 'evb' priv for this
+             if (defined($own_courses{$course})) {
+                 foreach my $sec (keys(%{$own_courses{$course}})) {
+                     my $checkrole = 'cm./'.$cdom.'/'.$cnum;
+                     if ($sec ne 'none') {
+                         $checkrole .= '/'.$sec;
+                     }
+                     if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) {
+                         $no_ownblock = 1;
+                         last;
+                     }
+                 }
+             }
+             # if they have 'evb' priv and are currently not playing student
+             next if (($no_ownblock) &&
+                  ($env{'request.role'} !~ m{^st\./$cdom/$cnum}));
+         }
+         foreach my $sec (keys(%{$live_courses{$course}})) {
+             my $checkrole = 'cm./'.$cdom.'/'.$cnum;
+             if ($sec ne 'none') {
+                 $checkrole .= '/'.$sec;
+             }
+             if ($otheruser) {
+                 # Resource belongs to user other than current user.
+                 # Assemble privs for that user, and check for 'evb' priv.
+                 my ($trole,$tdom,$tnum,$tsec);
+                 my $entry = $live_courses{$course}{$sec};
+                 if ($entry =~ /^cr/) {
+                     ($trole,$tdom,$tnum,$tsec) =
+                       ($entry =~ m|^(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_username)/?(\w*)$|);
+                 } else {
+                     ($trole,$tdom,$tnum,$tsec) = split(/\//,$entry);
+                 }
+                 my ($spec,$area,$trest,%allroles,%userroles);
+                 $area = '/'.$tdom.'/'.$tnum;
+                 $trest = $tnum;
+                 if ($tsec ne '') {
+                     $area .= '/'.$tsec;
+                     $trest .= '/'.$tsec;
+                 }
+                 $spec = $trole.'.'.$area;
+                 if ($trole =~ /^cr/) {
+                     &Apache::lonnet::custom_roleprivs(\%allroles,$trole,
+                                                       $tdom,$spec,$trest,$area);
+                 } else {
+                     &Apache::lonnet::standard_roleprivs(\%allroles,$trole,
+                                                        $tdom,$spec,$trest,$area);
+                 }
+                 my ($author,$adv) = &Apache::lonnet::set_userprivs(\%userroles,\%allroles);
+                 if ($userroles{'user.priv.'.$checkrole} =~ /evb\&([^\:]*)/) {
+                     if ($1) {
+                         $no_userblock = 1;
+                         last;
+                     }
+                 }
+             } else {
+                 # Resource belongs to current user
+                 # Check for 'evb' priv via lonnet::allowed().
+                 if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) {
+                     $no_ownblock = 1;
+                     last;
+                 }
+             }
+         }
+         # if they have the evb priv and are currently not playing student
+         next if (($no_ownblock) &&
+                  ($env{'request.role'} !~ m{^st\./\Q$cdom\E/\Q$cnum\E}));
+         next if ($no_userblock);
+         # Retrieve blocking times and identity of blocker for course
+         # of specified user, unless user has 'evb' privilege.
+         my ($start,$end)=&get_blocks($setters,$activity,$cdom,$cnum);
+         if (($start != 0) &&
+             (($startblock == 0) || ($startblock > $start))) {
+             $startblock = $start;
+         }
+         if (($end != 0)  &&
+             (($endblock == 0) || ($endblock < $end))) {
+             $endblock = $end;
+         }
+     }
+     return ($startblock,$endblock);
+ }
+ sub get_blocks {
+     my ($setters,$activity,$cdom,$cnum) = @_;
+     my $startblock = 0;
+     my $endblock = 0;
+     my $course = $cdom.'_'.$cnum;
+     $setters->{$course} = {};
+     $setters->{$course}{'staff'} = [];
+     $setters->{$course}{'times'} = [];
+     my %records = &Apache::lonnet::dump('comm_block',$cdom,$cnum);
+     foreach my $record (keys(%records)) {
+         my ($start,$end) = ($record =~ m/^(\d+)____(\d+)$/);
+         if ($start <= time && $end >= time) {
+             my ($staff_name,$staff_dom,$title,$blocks) =
+                 &parse_block_record($records{$record});
+             if ($blocks->{$activity} eq 'on') {
+                 push(@{$$setters{$course}{'staff'}},[$staff_name,$staff_dom]);
+                 push(@{$$setters{$course}{'times'}}, [$start,$end]);
+                 if ( ($startblock == 0) || ($startblock > $start) ) {
+                     $startblock = $start;
+                 }
+                 if ( ($endblock == 0) || ($endblock < $end) ) {
+                     $endblock = $end;
+                 }
+             }
+         }
+     }
+     return ($startblock,$endblock);
+ }
+ sub parse_block_record {
+     my ($record) = @_;
+     my ($setuname,$setudom,$title,$blocks);
+     if (ref($record) eq 'HASH') {
+         ($setuname,$setudom) = split(/:/,$record->{'setter'});
+         $title = &unescape($record->{'event'});
+         $blocks = $record->{'blocks'};
+     } else {
+         my @data = split(/:/,$record,3);
+         if (scalar(@data) eq 2) {
+             $title = $data[1];
+             ($setuname,$setudom) = split(/@/,$data[0]);
+         } else {
+             ($setuname,$setudom,$title) = @data;
+         }
+         $blocks = { 'com' => 'on' };
+     }
+     return ($setuname,$setudom,$title,$blocks);
+ }
+ sub build_block_table {
+     my ($startblock,$endblock,$setters) = @_;
+     my %lt = &Apache::lonlocal::texthash(
+         'cacb' => 'Currently active communication blocks',
+         'cour' => 'Course',
+         'dura' => 'Duration',
+         'blse' => 'Block set by'
+     );
+     my $output;
+     $output = '<br />'.$lt{'cacb'}.':<br />';
+     $output .= &start_data_table();
+     $output .= '
+ <tr>
+  <th>'.$lt{'cour'}.'</th>
+  <th>'.$lt{'dura'}.'</th>
+  <th>'.$lt{'blse'}.'</th>
+ </tr>
+ ';
+     foreach my $course (keys(%{$setters})) {
+         my %courseinfo=&Apache::lonnet::coursedescription($course);
+         for (my $i=0; $i<@{$$setters{$course}{staff}}; $i++) {
+             my ($uname,$udom) = @{$$setters{$course}{staff}[$i]};
+             my $fullname = &plainname($uname,$udom);
+             if (defined($env{'user.name'}) && defined($env{'user.domain'})
+                 && $env{'user.name'} ne 'public'
+                 && $env{'user.domain'} ne 'public') {
+                 $fullname = &aboutmewrapper($fullname,$uname,$udom);
+             }
+             my ($openblock,$closeblock) = @{$$setters{$course}{times}[$i]};
+             $openblock = &Apache::lonlocal::locallocaltime($openblock);
+             $closeblock= &Apache::lonlocal::locallocaltime($closeblock);
+             $output .= &Apache::loncommon::start_data_table_row().
+                        '<td>'.$courseinfo{'description'}.'</td>'.
+                        '<td>'.$openblock.' to '.$closeblock.'</td>'.
+                        '<td>'.$fullname.'</td>'.
+                         &Apache::loncommon::end_data_table_row();
+         }
+     }
+     $output .= &end_data_table();
+ }
+ sub blocking_status {
+     my ($activity,$uname,$udom) = @_;
+     my %setters;
+     my ($blocked,$output,$ownitem,$is_course);
+     my ($startblock,$endblock)=&blockcheck(\%setters,$activity,$uname,$udom);
+     if ($startblock && $endblock) {
+         $blocked = 1;
+         if (wantarray) {
+             my $category;
+             if ($activity eq 'boards') {
+                 $category = 'Discussion posts in this course';
+             } elsif ($activity eq 'blogs') {
+                 $category = 'Blogs';
+             } elsif ($activity eq 'port') {
+                 if (defined($uname) && defined($udom)) {
+                     if ($uname eq $env{'user.name'} &&
+                         $udom eq $env{'user.domain'}) {
+                         $ownitem = 1;
+                     }
+                 }
+                 $is_course = &Apache::lonnet::is_course($udom,$uname);
+                 if ($ownitem) {
+                     $category = 'Your portfolio files';
+                 } elsif ($is_course) {
+                     my $coursedesc;
+                     foreach my $course (keys(%setters)) {
+                         my %courseinfo =
+                              &Apache::lonnet::coursedescription($course);
+                         $coursedesc = $courseinfo{'description'};
+                     }
+                     $category = "Group portfolio in the course '$coursedesc'";
+                 } else {
+                     $category = 'Portfolio files belonging to ';
+                     if ($env{'user.name'} eq 'public' &&
+                         $env{'user.domain'} eq 'public') {
+                         $category .= &plainname($uname,$udom);
+                     } else {
+                         $category .= &aboutmewrapper(&plainname($uname,$udom),$uname,$udom);
+                     }
+                 }
+             } elsif ($activity eq 'groups') {
+                 $category = 'Groups in this course';
+             }
+             my $showstart = &Apache::lonlocal::locallocaltime($startblock);
+             my $showend = &Apache::lonlocal::locallocaltime($endblock);
+             $output = '<br />'.&mt('[_1] will be inaccessible between [_2] and [_3] because communication is being blocked.',$category,$showstart,$showend).'<br />';
+             if (!($activity eq 'port' && !($ownitem) && !($is_course))) {
+                 $output .= &build_block_table($startblock,$endblock,\%setters);
+             }
+         }
+     }
+     if (wantarray) {
+         return ($blocked,$output);
+     } else {
+         return $blocked;
+     }
+ }
+ ###############################################
+ sub check_ip_acc {
+     my ($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
- Line 2830  Returns: Determines which domain should
+ Line 3991  Returns: Determines which domain should
  ###############################################
  sub determinedomain {
      my $domain=shift;
-    if (! $domain) {
+     if (! $domain) {
          # Determine domain if we have not been given one
          $domain = $Apache::lonnet::perlvar{'lonDefDomain'};
          if ($env{'user.domain'}) { $domain=$env{'user.domain'}; }
- Line 2841  sub determinedomain {
+ Line 4002  sub determinedomain {
      return $domain;
  }
  ###############################################
+ sub devalidate_domconfig_cache {
+     my ($udom)=@_;
+     &Apache::lonnet::devalidate_cache_new('domainconfig',$udom);
+ }
+ # ---------------------- Get domain configuration for a domain
+ sub get_domainconf {
+     my ($udom) = @_;
+     my $cachetime=1800;
+     my ($result,$cached)=&Apache::lonnet::is_cached_new('domainconfig',$udom);
+     if (defined($cached)) { return %{$result}; }
+     my %domconfig = &Apache::lonnet::get_dom('configuration',
+ 					     ['login','rolecolors'],$udom);
+     my (%designhash,%legacy);
+     if (keys(%domconfig) > 0) {
+         if (ref($domconfig{'login'}) eq 'HASH') {
+             if (keys(%{$domconfig{'login'}})) {
+                 foreach my $key (keys(%{$domconfig{'login'}})) {
+                     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;
+             }
+         } else {
+             $legacy{'login'} = 1;
+         }
+         if (ref($domconfig{'rolecolors'}) eq 'HASH') {
+             if (keys(%{$domconfig{'rolecolors'}})) {
+                 foreach my $role (keys(%{$domconfig{'rolecolors'}})) {
+                     if (ref($domconfig{'rolecolors'}{$role}) eq 'HASH') {
+                         foreach my $item (keys(%{$domconfig{'rolecolors'}{$role}})) {
+                             $designhash{$udom.'.'.$role.'.'.$item}=$domconfig{'rolecolors'}{$role}{$item};
+                         }
+                     }
+                 }
+             } else {
+                 $legacy{'rolecolors'} = 1;
+             }
+         } else {
+             $legacy{'rolecolors'} = 1;
+         }
+         if (keys(%legacy) > 0) {
+             my %legacyhash = &get_legacy_domconf($udom);
+             foreach my $item (keys(%legacyhash)) {
+                 if ($item =~ /^\Q$udom\E\.login/) {
+                     if ($legacy{'login'}) {
+                         $designhash{$item} = $legacyhash{$item};
+                     }
+                 } else {
+                     if ($legacy{'rolecolors'}) {
+                         $designhash{$item} = $legacyhash{$item};
+                     }
+                 }
+             }
+         }
+     } else {
+         %designhash = &get_legacy_domconf($udom);
+     }
+     &Apache::lonnet::do_cache_new('domainconfig',$udom,\%designhash,
+ 				  $cachetime);
+     return %designhash;
+ }
+ sub get_legacy_domconf {
+     my ($udom) = @_;
+     my %legacyhash;
+     my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
+     my $designfile =  $designdir.'/'.$udom.'.tab';
+     if (-e $designfile) {
+         if ( open (my $fh,"<$designfile") ) {
+             while (my $line = <$fh>) {
+                 next if ($line =~ /^\#/);
+                 chomp($line);
+                 my ($key,$val)=(split(/\=/,$line));
+                 if ($val) { $legacyhash{$udom.'.'.$key}=$val; }
+             }
+             close($fh);
+         }
+     }
+     if (-e '/home/httpd/html/adm/lonDomLogos/'.$udom.'.gif') {
+         $legacyhash{$udom.'.login.domlogo'} = "/adm/lonDomLogos/$udom.gif";
+     }
+     return %legacyhash;
+ }
  =pod
  =item * &domainlogo()
- Line 2854  If the domain logo does not exist, a des
+ Line 4109  If the domain logo does not exist, a des
  ###############################################
  sub domainlogo {
      my $domain = &determinedomain(shift);
-      # See if there is a logo
+     my %designhash = &get_domainconf($domain);
-     if (-e '/home/httpd/html/adm/lonDomLogos/'.$domain.'.gif') {
+     # See if there is a logo
- 	my $logo=&lonhttpdurl("/adm/lonDomLogos/$domain.gif");
+     if ($designhash{$domain.'.login.domlogo'} ne '') {
-         return '<img src="'.$logo.'" alt="'.$domain.'" />';
+         my $imgsrc = $designhash{$domain.'.login.domlogo'};
-     } elsif(exists($Apache::lonnet::domaindescription{$domain})) {
+         if ($imgsrc =~ m{^/(adm|res)/}) {
-         return $Apache::lonnet::domaindescription{$domain};
+ 	    if ($imgsrc =~ m{^/res/}) {
+ 		my $local_name = &Apache::lonnet::filelocation('',$imgsrc);
+ 		&Apache::lonnet::repcopy($local_name);
+ 	    }
+ 	   $imgsrc = &lonhttpdurl($imgsrc);
+         }
+         return '<img src="'.$imgsrc.'" alt="'.$domain.'" />';
+     } elsif (defined(&Apache::lonnet::domain($domain,'description'))) {
+         return &Apache::lonnet::domain($domain,'description');
      } else {
          return '';
      }
- Line 2882  Returns: value of designparamter $which
+ Line 4145  Returns: value of designparamter $which
  sub designparm {
      my ($which,$domain)=@_;
      if ($env{'browser.blackwhite'} eq 'on') {
- 	if ($which=~/\.(font|alink|vlink|link)$/) {
+ 	if ($which=~/\.(font|alink|vlink|link|textcol)$/) {
  	    return '#000000';
  	}
- 	if ($which=~/\.(pgbg|sidebg)$/) {
+ 	if ($which=~/\.(pgbg|sidebg|bgcol)$/) {
  	    return '#FFFFFF';
  	}
  	if ($which=~/\.tabbg$/) {
- Line 2896  sub designparm {
+ Line 4159  sub designparm {
  	return $env{'environment.color.'.$which};
      }
      $domain=&determinedomain($domain);
-     if (exists($designhash{$domain.'.'.$which})) {
+     my %domdesign = &get_domainconf($domain);
- 	return $designhash{$domain.'.'.$which};
+     my $output;
+     if ($domdesign{$domain.'.'.$which} ne '') {
+ 	$output = $domdesign{$domain.'.'.$which};
      } else {
-         return $designhash{'default.'.$which};
+         $output = $defaultdesign{$which};
+     }
+     if (($which =~ /^(student|coordinator|author|admin)\.img$/) ||
+         ($which =~ /login\.(img|logo|domlogo|login)/)) {
+         if ($output =~ m{^/(adm|res)/}) {
+ 	    if ($output =~ m{^/res/}) {
+ 		my $local_name = &Apache::lonnet::filelocation('',$output);
+ 		&Apache::lonnet::repcopy($local_name);
+ 	    }
+             $output = &lonhttpdurl($output);
+         }
      }
+     return $output;
  }
  ###############################################
- Line 2910  sub designparm {
+ Line 4186  sub designparm {
  =back
- =head1 HTTP Helpers
+ =head1 HTML Helpers
  =over 4
- Line 2951  Inputs:
+ Line 4227  Inputs:
  =item * $args, optional argument valid values are
              no_auto_mt_title -> prevents &mt()ing the title arg
+             inherit_jsmath -> when creating popup window in a page,
+                               should it have jsmath forced on by the
+                               current page
  =back
- Line 2972  sub bodytag {
+ Line 4251  sub bodytag {
      my $font =   &designparm($function.'.font',$domain);
      my $pgbg   = $bgcolor || &designparm($function.'.pgbg',$domain);
-     my %design = ( 'style'   => 'margin-top: 0px',
+     my %design = ( 'style'   => 'margin-top: 0',
  		   'bgcolor' => $pgbg,
  		   'text'    => $font,
                     'alink'   => &designparm($function.'.alink',$domain),
- Line 2983  sub bodytag {
+ Line 4262  sub bodytag {
   # role and realm
      my ($role,$realm) = split(/\./,$env{'request.role'},2);
      if ($role  eq 'ca') {
-         my ($rdom,$rname) = ($realm =~ m-^/(\w+)/(\w+)$-);
+         my ($rdom,$rname) = ($realm =~ m{^/($match_domain)/($match_username)$});
-         $realm = &plainname($rname,$rdom).':'.$rdom;
+         $realm = &plainname($rname,$rdom);
      }
  # realm
      if ($env{'request.course.id'}) {
- Line 2999  sub bodytag {
+ Line 4278  sub bodytag {
      if (!$realm) { $realm='&nbsp;'; }
  # Set messages
      my $messages=&domainlogo($domain);
- # Port for miniserver
-     my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'};
-     if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; }
      my $extra_body_attr = &make_attr_string($forcereg,\%design);
  # construct main body tag
      my $bodytag = "<body $extra_body_attr>".
- 	&Apache::lontexconvert::init_math_support();
+ 	&Apache::lontexconvert::init_math_support($args->{'inherit_jsmath'});
-     if ($bodyonly
+     if ($bodyonly) {
- 	|| ($env{'request.state'} eq 'construct'
- 	    && $env{'environment.remote'} ne 'off' )) {
          return $bodytag;
-     } elsif ($env{'browser.interface'} eq 'textual') {
+     }
- # Accessibility
- 	$bodytag.=&Apache::lonmenu::menubuttons($forcereg,$forcereg);
- 	if (!$notitle) {
- 	    $bodytag.='<h1>LON-CAPA: '.$title.'</h1>';
- 	}
- 	return $bodytag;
-     }
      my $name = &plainname($env{'user.name'},$env{'user.domain'});
      if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
- Line 3045  $realm&nbsp;
+ Line 4311  $realm&nbsp;
  </td>
  ENDROLE
-     my $titleinfo = '<span class="LC_title_bar_title">'.$title.'</span>';
+     my $titleinfo = '<h1>'.$title.'</h1>';
      if ($customtitle) {
          $titleinfo = $customtitle;
      }
- Line 3061  ENDROLE
+ Line 4327  ENDROLE
          $dc_info = '('.$dc_info.')';
      }
-     if ($env{'environment.remote'} eq 'off') {
+     if (($env{'environment.remote'} eq 'off') || ($args->{'suppress_header_logos'})) {
          # No Remote
  	if ($env{'request.state'} eq 'construct') {
  	    $forcereg=1;
- Line 3084  ENDROLE
+ Line 4350  ENDROLE
  		$lastitem = $thisdisfn;
  	    }
  	    $titleinfo =
- 		&Apache::loncommon::help_open_menu('','',3,'Authoring').
+ 		&Apache::loncommon::help_open_menu('','',3,'Authoring')
- 		'<b>Construction Space</b>:&nbsp;'.
+ 		.'<b>'.&mt('Construction Space').'</b>:&nbsp;'
- 		'<form name="dirs" method="post" action="'.$formaction
+ 		.'<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();
- Line 3119  ENDROLE
+ Line 4385  ENDROLE
  # Top frame rendering, Remote is up
  #
-     my $upperleft='<img src="http://'.$ENV{'HTTP_HOST'}.':'.
+     my $imgsrc = $img;
-         $lonhttpdPort.$img.'" alt="'.$function.'" />';
+     if ($img =~ /^\/adm/) {
+         $imgsrc = &lonhttpdurl($img);
+     }
+     my $upperleft='<img src="'.$imgsrc.'" alt="'.$function.'" />';
      # Explicit link to get inline menu
      my $menu= ($no_inline_link?''
- Line 3132  ENDROLE
+ Line 4401  ENDROLE
      return(<<ENDBODY);
  $bodytag
  <table id="LC_title_bar" class="LC_with_remote">
- <tr><td class="LC_title_bar_role_logo">$upperleft</td>
+ <tr><td>$upperleft</td>
-     <td class="LC_title_bar_domain_logo">$messages&nbsp;</td>
+     <td>$messages&nbsp;</td>
  </tr>
  <tr><td>$titleinfo $dc_info $menu</td>
  $roleinfo
- Line 3203  sub make_attr_string {
+ Line 4472  sub make_attr_string {
  =pod
- =back
- =head1 HTML Helpers
- =over 4
  =item * &endbodytag()
  Returns a uniform footer for LON-CAPA web pages.
- Inputs: none
+ Inputs: 1 - optional reference to an args hash
+ If in the hash, key for noredirectlink has a value which evaluates to true,
- =back
+ a 'Continue' link is not displayed if the page contains an
+ internal redirect in the <head></head> section,
+ i.e., $env{'internal.head.redirect'} exists
  =cut
  sub endbodytag {
+     my ($args) = @_;
      my $endbodytag='</body>';
      $endbodytag=&Apache::lontexconvert::jsMath_process()."\n".$endbodytag;
      if ( exists( $env{'internal.head.redirect'} ) ) {
- 	$endbodytag=
+         if (!(ref($args) eq 'HASH' && $args->{'noredirectlink'})) {
- 	    "<br /><a href=\"$env{'internal.head.redirect'}\">".
+ 	    $endbodytag=
- 	    &mt('Continue').'</a>'.
+ 	        "<br /><a href=\"$env{'internal.head.redirect'}\">".
- 	    $endbodytag;
+ 	        &mt('Continue').'</a>'.
+ 	        $endbodytag;
+         }
      }
      return $endbodytag;
  }
  =pod
- =over 4
  =item * &standard_css()
  Returns a style sheet
- Line 3245  Inputs: (all optional)
+ Line 4511  Inputs: (all optional)
              function       -> force usage of a specific rolish color scheme
              bgcolor        -> override the default page bgcolor
- =back
  =cut
  sub standard_css {
- Line 3255  sub standard_css {
+ Line 4519  sub standard_css {
      my $img    = &designparm($function.'.img',   $domain);
      my $tabbg  = &designparm($function.'.tabbg', $domain);
      my $font   = &designparm($function.'.font',  $domain);
+     my $fontmenu = &designparm($function.'.fontmenu', $domain);
+ #second colour for later usage
      my $sidebg = &designparm($function.'.sidebg',$domain);
      my $pgbg_or_bgcolor =
  	         $bgcolor ||
- Line 3264  sub standard_css {
+ Line 4530  sub standard_css {
      my $vlink  = &designparm($function.'.vlink', $domain);
      my $link   = &designparm($function.'.link',  $domain);
-     my $sans                 = 'Arial,Helvetica,sans-serif';
+     my $loginbg = &designparm('login.sidebg',$domain);
+     my $bgcol = &designparm('login.bgcol',$domain);
+     my $textcol = &designparm('login.textcol',$domain);
+     my $sans                 = 'Verdana,Arial,Helvetica,sans-serif';
      my $mono                 = 'monospace';
      my $data_table_head      = $tabbg;
      my $data_table_light     = '#EEEEEE';
-     my $data_table_dark      = '#DDD';
+     my $data_table_dark      = '#DDDDDD';
-     my $data_table_darker    = '#CCC';
+     my $data_table_darker    = '#CCCCCC';
      my $data_table_highlight = '#FFFF00';
      my $mail_new             = '#FFBB77';
      my $mail_new_hover       = '#DD9955';
- Line 3280  sub standard_css {
+ Line 4550  sub standard_css {
      my $mail_other           = '#99BBBB';
      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'     ) ? '0 2px 0 2px'
+ 	                                                 : '0 3px 0 4px';
-     my $border = ($env{'browser.type'} eq 'explorer') ? '0px 2px 0px 2px'
- 	                                              : '0px 3px 0px 4px';
      return <<END;
- h1, h2, h3, th { font-family: $sans }
+ body {
- a:focus { color: red; background: yellow }
+    font-family: $sans;
- table.thinborder { border-collapse: collapse; }
+    line-height:130%;
- table.thinborder tr th {  border-style: solid; border-width: 1px; background: $tabbg;}
+    font-size:0.83em;
- table.thinborder tr td { border-style: solid; border-width: 1px}
+    color:$font;
+ }
- form, .inline { display: inline; }
- .center { text-align: center; }
+ a:link, a:visited {
- .LC_filename {font-family: $mono;}
+   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-color: $lg_border_color;
+ }
+ form, .inline {
+    display: inline;
+ }
+ .LC_right {
+    text-align:right;
+ }
+ .LC_middle {
+    vertical-align:middle;
+ }
+ /* just for tests */
+ .LC_400Box {width:400px; }
+ /* end */
+ .LC_filename {
+   font-family: $mono;
+   white-space:pre;
+ }
+ .LC_fileicon {
+   border: none;
+   height: 1.3em;
+   vertical-align: text-bottom;
+   margin-right: 0.3em;
+   text-decoration:none;
+ }
  .LC_error {
    color: red;
    font-size: larger;
  }
  .LC_warning,
  .LC_diff_removed {
    color: red;
  }
+ .LC_info,
  .LC_success,
  .LC_diff_added {
    color: green;
  }
+ div.LC_confirm_box {
+   background-color: #FAFAFA;
+   border: 1px solid $lg_border_color;
+   margin-right: 0;
+   padding: 5px;
+ }
+ div.LC_confirm_box .LC_error img,
+ div.LC_confirm_box .LC_success img {
+   vertical-align: middle;
+ }
+ .LC_unknown {
+   color: yellow;
+ }
  .LC_icon {
-   border: 0px;
+   border: none;
+   vertical-align: middle;
+ }
+ .LC_indexer_icon {
+   border: none;
+   height: 22px;
+ }
+ .LC_docs_spacer {
+   width: 25px;
+   height: 1px;
+   border: none;
+ }
+ .LC_internal_info {
+   color: #999999;
+ }
+ .LC_discussion {
+    background: $tabbg;
+    border: 1px solid black;
+    margin: 2px;
+ }
+ .LC_disc_action_links_bar {
+    background: $tabbg;
+    font-family: $sans;
+    border: none;
+    margin: 4px;
+ }
+ .LC_disc_action_left {
+    text-align: left;
+ }
+ .LC_disc_action_right {
+    text-align: right;
+ }
+ .LC_disc_new_item {
+    background: white;
+    border: 2px solid red;
+    margin: 2px;
+ }
+ .LC_disc_old_item {
+    background: white;
+    border: 1px solid black;
+    margin: 2px;
  }
  table.LC_pastsubmission {
- Line 3315  table.LC_pastsubmission {
+ Line 4708  table.LC_pastsubmission {
    margin: 2px;
  }
- table#LC_top_nav, table#LC_menubuttons {
+ table#LC_top_nav,
+ table#LC_menubuttons,
+ table#LC_nav_location {
    width: 100%;
    background: $pgbg;
    border: 2px;
    border-collapse: separate;
-   padding: 0px;
+   padding: 0;
+ }
+ table#LC_title_bar a {
+   color: $fontmenu;
  }
- table#LC_title_bar, table.LC_breadcrumbs, table#LC_nav_location,
+ table#LC_title_bar,
+ table.LC_breadcrumbs,
  table#LC_title_bar.LC_with_remote {
    width: 100%;
    border-color: $pgbg;
    border-style: solid;
    border-width: $border;
    background: $pgbg;
+   color: $fontmenu;
    font-family: $sans;
    border-collapse: collapse;
-   padding: 0px;
+   padding: 0;
  }
  table.LC_docs_path {
- Line 3342  table.LC_docs_path {
+ Line 4742  table.LC_docs_path {
    background: $pgbg;
    font-family: $sans;
    border-collapse: collapse;
-   padding: 0px;
+   padding: 0;
  }
  table#LC_title_bar td {
    background: $tabbg;
  }
- table#LC_title_bar td.LC_title_bar_who {
+ table#LC_title_bar .LC_title_bar_who {
    background: $tabbg;
-   color: $font;
+   color: $fontmenu;
    font: small $sans;
    text-align: right;
+   margin: 0;
  }
- span.LC_metadata {
-     font-family: $sans;
+ table#LC_title_bar .LC_title_bar_name {
- }
+   margin: 0;
- span.LC_title_bar_title {
-   font: bold x-large $sans;
  }
- table#LC_title_bar td.LC_title_bar_domain_logo {
-   background: $sidebg;
+ table#LC_title_bar .LC_title_bar_role {
-   text-align: right;
+   margin: 0;
-   padding: 0px;
  }
- table#LC_title_bar td.LC_title_bar_role_logo {
-   background: $sidebg;
+ table#LC_title_bar .LC_title_bar_realm {
-   padding: 0px;
+   margin: 0;
  }
- table#LC_menubuttons_mainmenu {
+ span.LC_metadata {
-   background: $pgbg;
+   font-family: $sans;
-   border: 0px;
-   border-spacing: 1px;
-   padding: 0px 1px;
-   margin: 0px;
-   border-collapse: separate;
  }
- table#LC_menubuttons img, table#LC_menubuttons_mainmenu img {
-   border: 0px;
+ table#LC_menubuttons img{
+   border: none;
  }
  table#LC_top_nav td {
    background: $tabbg;
-   border: 0px;
+   border: none;
    font-size: small;
+   vertical-align:top;
+   padding:2px 5px 2px 5px;
  }
- table#LC_top_nav td a, div#LC_top_nav a {
+ table#LC_top_nav td a,
+ div#LC_top_nav a {
    color: $font;
    font-family: $sans;
  }
  table#LC_top_nav td.LC_top_nav_logo {
    background: $tabbg;
    text-align: left;
    white-space: nowrap;
    width: 31px;
  }
  table#LC_top_nav td.LC_top_nav_logo img {
-   border: 0px;
+   border: none;
    vertical-align: bottom;
  }
  table#LC_top_nav td.LC_top_nav_exit,
  table#LC_top_nav td.LC_top_nav_help {
    width: 2.0em;
  }
  table#LC_top_nav td.LC_top_nav_login {
    width: 4.0em;
    text-align: center;
  }
- table.LC_breadcrumbs td, table.LC_docs_path td  {
+ table.LC_breadcrumbs td,
+ table.LC_docs_path td  {
    background: $tabbg;
-   color: $font;
+   color: $fontmenu;
    font-family: $sans;
    font-size: smaller;
  }
  table.LC_breadcrumbs td.LC_breadcrumbs_component,
  table.LC_docs_path td.LC_docs_path_component {
    background: $tabbg;
-   color: $font;
+   color: $fontmenu;
    font-family: $sans;
    font-size: larger;
    text-align: right;
  }
  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_menubuttons_inline_text {
    color: $font;
    font-family: $sans;
-   font-size: smaller;
+   font-size: 90%;
+   padding-left:3px;
  }
- td.LC_menubuttons_text {
+ .LC_menubuttons_link {
+   text-decoration: none;
+ }
+ .LC_menubuttons_category {
    color: $font;
+   background: $pgbg;
    font-family: $sans;
+   font-size: larger;
+   font-weight: bold;
  }
- td.LC_menubuttons_img {
-   background: $tabbg;
+ td.LC_menubuttons_text {
+  	color: $font;
  }
  .LC_current_location {
    font-family: $sans;
    background: $tabbg;
  }
  .LC_new_mail {
    font-family: $sans;
+   background: $tabbg;
    font-weight: bold;
  }
+ .LC_dropadd_labeltext {
+   font-family: $sans;
+   text-align: right;
+ }
+ .LC_preferences_labeltext {
+   font-family: $sans;
+   text-align: right;
+ }
+ .LC_roleslog_note {
+   font-size: small;
+ }
+ .LC_mail_functions {
+     font-weight: bold;
+ }
  table.LC_aboutme_port {
-   border: 0px;
+   border: none;
    border-collapse: collapse;
-   border-spacing: 0px;
+   border-spacing: 0;
  }
- table.LC_data_table, table.LC_mail_list {
+ table.LC_data_table,
+ table.LC_mail_list {
    border: 1px solid #000000;
    border-collapse: separate;
    border-spacing: 1px;
+   background: $pgbg;
  }
  .LC_data_table_dense {
    font-size: small;
  }
- table.LC_data_table tr th, table.LC_calendar tr th, table.LC_mail_list tr th {
+ table.LC_nested_outer {
+   border: 1px solid #000000;
+   border-collapse: collapse;
+   border-spacing: 0;
+   width: 100%;
+ }
+ table.LC_nested {
+   border: none;
+   border-collapse: collapse;
+   border-spacing: 0;
+   width: 100%;
+ }
+ table.LC_data_table tr th,
+ table.LC_calendar tr th,
+ table.LC_mail_list tr th,
+ table.LC_prior_tries tr th {
    font-weight: bold;
    background-color: $data_table_head;
-   font-size: smaller;
+   color:$fontmenu;
+   font-size:90%;
  }
- table.LC_data_table tr td,
+ table.LC_data_table tr.LC_info_row > td {
+   background-color: #CCCCCC;
+   font-weight: bold;
+   text-align: left;
+ }
+ 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_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;
  }
+ table.LC_data_table tr td.LC_leftcol_header {
+   background-color: $data_table_head;
+   font-weight: bold;
+ }
  table.LC_data_table tr.LC_empty_row td,
- table.LC_whatsnew tr.LC_empty_row td {
+ table.LC_nested tr.LC_empty_row td {
    background-color: #FFFFFF;
    font-weight: bold;
    font-style: italic;
    text-align: center;
    padding: 8px;
  }
- table.LC_whatsnew tr.LC_empty_row td {
+ table.LC_nested tr.LC_empty_row td {
    padding: 4ex
  }
+ table.LC_nested_outer tr th {
- table.LC_whatsnew {
+   font-weight: bold;
+   color:$fontmenu;
+   background-color: $data_table_head;
+   font-size: small;
+   border-bottom: 1px solid #000000;
  }
- table.LC_whatsnew tr th,
+ table.LC_nested_outer tr td.LC_subheader {
- table.LC_whatsnew tr.LC_info_row td {
+   background-color: $data_table_head;
-   background-color: #CCC;
    font-weight: bold;
    font-size: small;
+   border-bottom: 1px solid #000000;
    text-align: right;
  }
- table.LC_whatsnew tr td {
-   background-color: #FFF;
+ table.LC_nested tr.LC_info_row td {
+   background-color: #CCCCCC;
+   font-weight: bold;
    font-size: small;
-   text-align: right;
+   text-align: center;
  }
- table.LC_whatsnew tr td.LC_first_item {
+ table.LC_nested tr.LC_info_row td.LC_left_item,
+ table.LC_nested_outer tr th.LC_left_item {
    text-align: left;
  }
- table.LC_whatsnew tr.LC_odd_row td {
+ table.LC_nested td {
-   background-color: #EEE;
+   background-color: #FFFFFF;
+   font-size: small;
+ }
+ table.LC_nested_outer tr th.LC_right_item,
+ table.LC_nested tr.LC_info_row td.LC_right_item,
+ table.LC_nested tr.LC_odd_row td.LC_right_item,
+ table.LC_nested tr td.LC_right_item {
+   text-align: right;
+ }
+ table.LC_nested tr.LC_odd_row td {
+   background-color: #EEEEEE;
+ }
+ table.LC_createuser {
+ }
+ table.LC_createuser tr.LC_section_row td {
+   font-size: small;
+ }
+ table.LC_createuser tr.LC_info_row td  {
+   background-color: #CCCCCC;
+   font-weight: bold;
+   text-align: center;
  }
  table.LC_calendar {
    border: 1px solid #000000;
    border-collapse: collapse;
  }
  table.LC_calendar_pickdate {
    font-size: xx-small;
  }
  table.LC_calendar tr td {
    border: 1px solid #000000;
    vertical-align: top;
  }
  table.LC_calendar tr td.LC_calendar_day_empty {
    background-color: $data_table_dark;
  }
  table.LC_calendar tr td.LC_calendar_day_current {
    background-color: $data_table_highlight;
  }
- Line 3535  table.LC_calendar tr td.LC_calendar_day_
+ Line 5068  table.LC_calendar tr td.LC_calendar_day_
  table.LC_mail_list tr.LC_mail_new {
    background-color: $mail_new;
  }
  table.LC_mail_list tr.LC_mail_new:hover {
    background-color: $mail_new_hover;
  }
+ table.LC_mail_list tr.LC_mail_even {
+ }
+ table.LC_mail_list tr.LC_mail_odd {
+ }
  table.LC_mail_list tr.LC_mail_read {
    background-color: $mail_read;
  }
  table.LC_mail_list tr.LC_mail_read:hover {
    background-color: $mail_read_hover;
  }
  table.LC_mail_list tr.LC_mail_replied {
    background-color: $mail_replied;
  }
  table.LC_mail_list tr.LC_mail_replied:hover {
    background-color: $mail_replied_hover;
  }
  table.LC_mail_list tr.LC_mail_other {
    background-color: $mail_other;
  }
  table.LC_mail_list tr.LC_mail_other:hover {
    background-color: $mail_other_hover;
  }
- table#LC_portfolio_actions {
+ table.LC_data_table tr > td.LC_browser_file,
-   width: auto;
+ table.LC_data_table tr > td.LC_browser_file_published {
-   background: $pgbg;
+   background: #CCFF88;
-   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_portfolio_actions td.LC_value {
-   background: $tabbg;
  }
- table#LC_cstr_controls {
+ table.LC_data_table tr > td.LC_browser_file_locked,
-   width: 100%;
+ table.LC_data_table tr > td.LC_browser_file_unpublished {
-   border-collapse: collapse;
+   background: #FFAA99;
- }
- table#LC_cstr_controls tr td {
-   border: 4px solid $pgbg;
-   padding: 4px;
-   text-align: center;
-   background: $tabbg;
  }
- table#LC_cstr_controls tr th {
-   border: 4px solid $pgbg;
+ table.LC_data_table tr > td.LC_browser_file_obsolete {
-   background: $table_header;
+   background: #AAAAAA;
-   text-align: center;
-   font-family: $sans;
-   font-size: smaller;
  }
- table#LC_browser {
+ table.LC_data_table tr > td.LC_browser_file_modified,
+ table.LC_data_table tr > td.LC_browser_file_metamodified {
+   background: #FFFF77;
  }
- table#LC_browser tr th {
-   background: $table_header;
+ table.LC_data_table tr.LC_browser_folder > td {
+   background: #CCCCFF;
  }
- table#LC_browser tr td {
-   padding: 2px;
+ table.LC_data_table tr > td.LC_roles_is {
+ /*  background: #77FF77; */
  }
- table#LC_browser tr.LC_browser_file,
- table#LC_browser tr.LC_browser_file_published {
+ table.LC_data_table tr > td.LC_roles_future {
-   background: #CCFF88;
+   background: #FFFF77;
  }
- table#LC_browser tr.LC_browser_file_locked,
- table#LC_browser tr.LC_browser_file_unpublished {
+ table.LC_data_table tr > td.LC_roles_will {
-   background: #FFAA99;
+   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 {
+ table.LC_data_table tr > td.LC_roles_will_not {
-   background: #FFFF77;
+   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;
  }
- Line 3628  span.LC_parm_menu_item {
+ Line 5159  span.LC_parm_menu_item {
    font-size: larger;
    font-family: $sans;
  }
  span.LC_parm_scope_all {
    color: red;
  }
  span.LC_parm_scope_folder {
    color: green;
  }
  span.LC_parm_scope_resource {
    color: orange;
  }
  span.LC_parm_part {
    color: blue;
  }
  span.LC_parm_folder, span.LC_parm_symb {
    font-size: x-small;
    font-family: $mono;
    color: #AAAAAA;
  }
- td.LC_parm_overview_level_menu, td.LC_parm_overview_map_menu,
+ td.LC_parm_overview_level_menu,
- td.LC_parm_overview_parm_selectors, td.LC_parm_overview_parm_restrictions {
+ td.LC_parm_overview_map_menu,
+ td.LC_parm_overview_parm_selectors,
+ td.LC_parm_overview_restrictions  {
    border: 1px solid black;
    border-collapse: collapse;
  }
  table.LC_parm_overview_restrictions td {
    border-width: 1px 4px 1px 4px;
    border-style: solid;
    border-color: $pgbg;
    text-align: center;
  }
  table.LC_parm_overview_restrictions th {
    background: $tabbg;
    border-width: 1px 4px 1px 4px;
    border-style: solid;
    border-color: $pgbg;
  }
  table#LC_helpmenu {
-   border: 0px;
+   border: none;
    height: 55px;
-   border-spacing: 0px;
+   border-spacing: 0;
  }
  table#LC_helpmenu fieldset legend {
    font-size: larger;
    font-weight: bold;
  }
  table#LC_helpmenu_links {
    width: 100%;
    border: 1px solid black;
    background: $pgbg;
-   padding: 0px;
+   padding: 0;
    border-spacing: 1px;
  }
  table#LC_helpmenu_links tr td {
    padding: 1px;
    background: $tabbg;
- Line 3687  table#LC_helpmenu_links tr td {
+ Line 5230  table#LC_helpmenu_links tr td {
    font-weight: bold;
  }
- table#LC_helpmenu_links a:link, table#LC_helpmenu_links a:visited,
+ table#LC_helpmenu_links a:link,
+ table#LC_helpmenu_links a:visited,
  table#LC_helpmenu_links a:active {
    text-decoration: none;
    color: $font;
  }
  table#LC_helpmenu_links a:hover {
    text-decoration: underline;
    color: $vlink;
- Line 3701  table#LC_helpmenu_links a:hover {
+ Line 5246  table#LC_helpmenu_links a:hover {
    border: 1px solid #339933;
    margin: -1px;
  }
  .LC_chrt_popup_up {
    border: 1px solid yellow;
    margin: -1px;
  }
  .LC_chrt_popup {
    border: 1px solid #8888FF;
    background: #CCCCFF;
  }
  table.LC_pick_box {
-   width: 100%;
    border-collapse: separate;
    background: white;
    border: 1px solid black;
    border-spacing: 1px;
  }
  table.LC_pick_box td.LC_pick_box_title {
    background: $tabbg;
    font-weight: bold;
    text-align: right;
+   vertical-align: top;
    width: 184px;
    padding: 8px;
  }
+ table.LC_pick_box td.LC_selfenroll_pick_box_title {
+   background: $tabbg;
+   font-weight: bold;
+   text-align: right;
+   width: 350px;
+   padding: 8px;
+ }
+ table.LC_pick_box td.LC_pick_box_value {
+   text-align: left;
+   padding: 8px;
+ }
+ table.LC_pick_box td.LC_pick_box_select {
+   text-align: left;
+   padding: 8px;
+ }
  table.LC_pick_box td.LC_pick_box_separator {
-   padding: 0px;
+   padding: 0;
    height: 1px;
    background: black;
  }
  table.LC_pick_box td.LC_pick_box_submit {
    text-align: right;
  }
+ table.LC_pick_box td.LC_evenrow_value {
+   text-align: left;
+   padding: 8px;
+   background-color: $data_table_light;
+ }
+ table.LC_pick_box td.LC_oddrow_value {
+   text-align: left;
+   padding: 8px;
+   background-color: $data_table_light;
+ }
+ table.LC_helpform_receipt {
+   width: 620px;
+   border-collapse: separate;
+   background: white;
+   border: 1px solid black;
+   border-spacing: 1px;
+ }
+ table.LC_helpform_receipt td.LC_pick_box_title {
+   background: $tabbg;
+   font-weight: bold;
+   text-align: right;
+   width: 184px;
+   padding: 8px;
+ }
+ table.LC_helpform_receipt td.LC_evenrow_value {
+   text-align: left;
+   padding: 8px;
+   background-color: $data_table_light;
+ }
+ table.LC_helpform_receipt td.LC_oddrow_value {
+   text-align: left;
+   padding: 8px;
+   background-color: $data_table_light;
+ }
+ table.LC_helpform_receipt td.LC_pick_box_separator {
+   padding: 0;
+   height: 1px;
+   background: black;
+ }
+ span.LC_helpform_receipt_cat {
+   font-weight: bold;
+ }
  table.LC_group_priv_box {
    background: white;
    border: 1px solid black;
    border-spacing: 1px;
  }
  table.LC_group_priv_box td.LC_pick_box_title {
    background: $tabbg;
    font-weight: bold;
    text-align: right;
    width: 184px;
  }
  table.LC_group_priv_box td.LC_groups_fixed {
    background: $data_table_light;
    text-align: center;
  }
  table.LC_group_priv_box td.LC_groups_optional {
    background: $data_table_dark;
    text-align: center;
  }
  table.LC_group_priv_box td.LC_groups_functionality {
    background: $data_table_darker;
    text-align: center;
    font-weight: bold;
  }
  table.LC_group_priv td {
    text-align: left;
-   padding: 0px;
+   padding: 0;
  }
  table.LC_notify_front_page {
- Line 3767  table.LC_notify_front_page {
+ Line 5390  table.LC_notify_front_page {
    border: 1px solid black;
    padding: 8px;
  }
  table.LC_notify_front_page td {
    padding: 8px;
  }
  .LC_navbuttons {
    margin: 2ex 0ex 2ex 0ex;
  }
  .LC_topic_bar {
    font-family: $sans;
    font-weight: bold;
- Line 3780  table.LC_notify_front_page td {
+ Line 5406  table.LC_notify_front_page td {
    background: $tabbg;
    vertical-align: middle;
    margin: 2ex 0ex 2ex 0ex;
+   padding: 3px;
  }
  .LC_topic_bar span {
    vertical-align: middle;
  }
  .LC_topic_bar img {
    vertical-align: bottom;
  }
  table.LC_course_group_status {
    margin: 20px;
  }
  table.LC_status_selector td {
    vertical-align: top;
    text-align: center;
    padding: 4px;
  }
- table.LC_descriptive_input td.LC_description {
+ div.LC_feedback_link {
+   clear: both;
+   background: white;
+   width: 100%;
+ }
+ span.LC_feedback_link {
+   background: $feedback_link_bg;
+   font-size: larger;
+ }
+ span.LC_message_link {
+   background: $feedback_link_bg;
+   font-size: larger;
+   position: absolute;
+   right: 1em;
+ }
+ table.LC_prior_tries {
+   border: 1px solid #000000;
+   border-collapse: separate;
+   border-spacing: 1px;
+ }
+ table.LC_prior_tries td {
+   padding: 2px;
+ }
+ .LC_answer_correct {
+   background: lightgreen;
+   font-family: $sans;
+   color: darkgreen;
+   padding: 6px;
+ }
+ .LC_answer_charged_try {
+   background: #FFAAAA;
+   font-family: $sans;
+   color: darkred;
+   padding: 6px;
+ }
+ .LC_answer_not_charged_try,
+ .LC_answer_no_grade,
+ .LC_answer_late {
+   background: lightyellow;
+   font-family: $sans;
+   color: black;
+   padding: 6px;
+ }
+ .LC_answer_previous {
+   background: lightblue;
+   font-family: $sans;
+   color: darkblue;
+   padding: 6px;
+ }
+ .LC_answer_no_message {
+   background: #FFFFFF;
+   font-family: $sans;
+   color: black;
+   padding: 6px;
+ }
+ .LC_answer_unknown {
+   background: orange;
+   font-family: $sans;
+   color: black;
+   padding: 6px;
+ }
+ span.LC_prior_numerical,
+ span.LC_prior_string,
+ span.LC_prior_custom,
+ span.LC_prior_reaction,
+ span.LC_prior_math {
+   font-family: monospace;
+   white-space: pre;
+ }
+ span.LC_prior_string {
+   font-family: monospace;
+   white-space: pre;
+ }
+ table.LC_prior_option {
+   width: 100%;
+   border-collapse: collapse;
+ }
+ table.LC_prior_rank,
+ table.LC_prior_match {
+   border-collapse: collapse;
+ }
+ table.LC_prior_option tr td,
+ table.LC_prior_rank tr td,
+ table.LC_prior_match tr td {
+   border: 1px solid #000000;
+ }
+ td.LC_nobreak,
+ span.LC_nobreak {
+   white-space: nowrap;
+ }
+ span.LC_cusr_emph {
+   font-style: italic;
+ }
+ span.LC_cusr_subheading {
+   font-weight: normal;
+   font-size: 85%;
+ }
+ table.LC_docs_documents {
+   background: #BBBBBB;
+   border-width: 0;
+   border-collapse: collapse;
+ }
+ table.LC_docs_documents td.LC_docs_document {
+   border: 2px solid black;
+   padding: 4px;
+ }
+ .LC_docs_entry_move {
+   border: none;
+   border-collapse: collapse;
+ }
+ .LC_docs_entry_move td {
+   border: 2px solid #BBBBBB;
+   background: #DDDDDD;
+ }
+ .LC_docs_editor td.LC_docs_entry_commands {
+   background: #DDDDDD;
+   font-size: x-small;
+ }
+ .LC_docs_copy {
+   color: #000099;
+ }
+ .LC_docs_cut {
+   color: #550044;
+ }
+ .LC_docs_rename {
+   color: #009900;
+ }
+ .LC_docs_remove {
+   color: #990000;
+ }
+ .LC_docs_reinit_warn,
+ .LC_docs_ext_edit {
+   font-size: x-small;
+ }
+ .LC_docs_editor td.LC_docs_entry_title,
+ .LC_docs_editor td.LC_docs_entry_icon {
+   background: #FFFFBB;
+ }
+ .LC_docs_editor td.LC_docs_entry_parameter {
+   background: #BBBBFF;
+   font-size: x-small;
+   white-space: nowrap;
+ }
+ table.LC_docs_adddocs td,
+ table.LC_docs_adddocs th {
+   border: 1px solid #BBBBBB;
+   padding: 4px;
+   background: #DDDDDD;
+ }
+ table.LC_sty_begin {
+   background: #BBFFBB;
+ }
+ table.LC_sty_end {
+   background: #FFBBBB;
+ }
+ table.LC_double_column {
+   border-width: 0;
+   border-collapse: collapse;
+   width: 100%;
+   padding: 2px;
+ }
+ table.LC_double_column tr td.LC_left_col {
+   top: 2px;
+   left: 2px;
+   width: 47%;
    vertical-align: top;
-   text-align: right;
+ }
+ table.LC_double_column tr td.LC_right_col {
+   top: 2px;
+   right: 2px;
+   width: 47%;
+   vertical-align: top;
+ }
+ span.LC_role_level {
    font-weight: bold;
  }
+ div.LC_left_float {
+   float: left;
+   padding-right: 5%;
+   padding-bottom: 4px;
+ }
+ div.LC_clear_float_header {
+   padding-bottom: 2px;
+ }
+ div.LC_clear_float_footer {
+   padding-top: 10px;
+   clear: both;
+ }
+ div.LC_grade_show_user {
+   margin-top: 20px;
+   border: 1px solid black;
+ }
+ div.LC_grade_user_name {
+   background: #DDDDEE;
+   border-bottom: 1px solid black;
+   font-weight: bold;
+   font-size: large;
+ }
+ div.LC_grade_show_user_odd_row div.LC_grade_user_name {
+   background: #DDEEDD;
+ }
+ div.LC_grade_show_problem,
+ div.LC_grade_submissions,
+ div.LC_grade_message_center,
+ div.LC_grade_info_links,
+ div.LC_grade_assign {
+   margin: 5px;
+   width: 99%;
+   background: #FFFFFF;
+ }
+ div.LC_grade_show_problem_header,
+ div.LC_grade_submissions_header,
+ div.LC_grade_message_center_header,
+ div.LC_grade_assign_header {
+   font-weight: bold;
+   font-size: large;
+ }
+ div.LC_grade_show_problem_problem,
+ div.LC_grade_submissions_body,
+ div.LC_grade_message_center_body,
+ div.LC_grade_assign_body {
+   border: 1px solid black;
+   width: 99%;
+   background: #FFFFFF;
+ }
+ span.LC_grade_check_note {
+   font-weight: normal;
+   font-size: medium;
+   display: inline;
+   position: absolute;
+   right: 1em;
+ }
+ table.LC_scantron_action {
+   width: 100%;
+ }
+ table.LC_scantron_action tr th {
+   font-weight:bold;
+   font-style:normal;
+ }
+ .LC_edit_problem_header,
+ div.LC_edit_problem_footer {
+   font-weight: normal;
+   font-size:  medium;
+   margin: 2px;
+ }
+ div.LC_edit_problem_header,
+ div.LC_edit_problem_header div,
+ div.LC_edit_problem_footer,
+ div.LC_edit_problem_footer div,
+ div.LC_edit_problem_editxml_header,
+ div.LC_edit_problem_editxml_header div {
+   margin-top: 5px;
+ }
+ div.LC_edit_problem_header_edit_row {
+   background: $tabbg;
+   padding: 3px;
+   margin-bottom: 5px;
+ }
+ div.LC_edit_problem_header_title {
+   font-weight: bold;
+   font-size: larger;
+   background: $tabbg;
+   padding: 3px;
+ }
+ table.LC_edit_problem_header_title {
+   font-size: larger;
+   font-weight:  bold;
+   width: 100%;
+   border-color: $pgbg;
+   border-style: solid;
+   border-width: $border;
+   background: $tabbg;
+   border-collapse: collapse;
+   padding: 0;
+ }
+ div.LC_edit_problem_discards {
+   float: left;
+   padding-bottom: 5px;
+ }
+ div.LC_edit_problem_saves {
+   float: right;
+   padding-bottom: 5px;
+ }
+ hr.LC_edit_problem_divide {
+   clear: both;
+   color: $tabbg;
+   background-color: $tabbg;
+   height: 3px;
+   border: none;
+ }
+ 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: $sans;
+   font-size: small;
+   font-weight: bold;
+ }
+ div.LC_createcourse {
+     margin: 10px 10px 10px 10px;
+ }
+ /* ---- Remove when done ----
+ # The following styles is part of the redesign of LON-CAPA and are
+ # subject to change during this project.
+ # Don't rely on their current functionality as they might be
+ # changed or removed.
+ # --------------------------*/
+ a:hover,
+ ol.LC_smallMenu a:hover,
+ ol#LC_MenuBreadcrumbs a:hover,
+ ol#LC_PathBreadcrumbs a:hover,
+ ul#LC_TabMainMenuContent a:hover,
+ .LC_FormSectionClearButton input:hover
+ ul.LC_TabContent   li:hover a {
+ 	color:#BF2317;
+         text-decoration:none;
+ }
+ h1 {
+ 	padding:5px 10px 5px 20px;
+ 	line-height:130%;
+ }
+ h2,h3,h4,h5,h6 {
+ 	margin: 5px 0 5px 0;
+ 	padding: 0;
+ 	line-height:130%;
+ }
+ .LC_hcell {
+         padding:3px 15px 3px 15px;
+         margin: 0;
+ 	background-color:$tabbg;
+ 	color:$fontmenu;
+ 	border-bottom:solid 1px $lg_border_color;
+ }
+ .LC_noBorder {
+         border: 0;
+ }
+ /* Main Header with discription of Person, Course, etc. */
+ .LC_Right {
+         float: right;
+         margin: 0;
+         padding: 0;
+ }
+ .LC_FormSectionClearButton input {
+         background-color:transparent;
+         border: none;
+         cursor:pointer;
+         text-decoration:underline;
+ }
+ .LC_help_open_topic {
+         color: #FFFFFF;
+         background-color: #EEEEFF;
+         margin: 1px;
+         padding: 4px;
+         border: 1px solid #000033;
+         white-space: nowrap;
+ /*		vertical-align: middle; */
+ }
+ dl,ul,div,fieldset {
+ 	margin: 10px 10px 10px 0;
+ /*	overflow: hidden; */
+ }
+ ol.LC_smallMenu, ol#LC_PathBreadcrumbs {
+ 	margin: 0;
+ }
+ ol.LC_smallMenu li {
+ 	display: inline;
+ 	padding: 5px 5px 0 10px;
+ 	vertical-align: top;
+ }
+ ol.LC_smallMenu li img {
+ 	vertical-align: bottom;
+ }
+ ol.LC_smallMenu a {
+ 	font-size: 90%;
+ 	color: RGB(80, 80, 80);
+ 	text-decoration: none;
+ }
+ ol#LC_TabMainMenuContent,
+ ul.LC_TabContent ,
+ ul.LC_TabContentBigger {
+ 	display:block;
+ 	list-style:none;
+ 	margin: 0;
+ 	padding: 0;
+ }
+ ol#LC_TabMainMenuContent li,
+ ul.LC_TabContent li,
+ ul.LC_TabContentBigger li {
+ 	display: inline;
+ 	border-right: solid 1px $lg_border_color;
+ 	float:left;
+ 	line-height:140%;
+ 	white-space:nowrap;
+ }
+ ol#LC_TabMainMenuContent li {
+ 	vertical-align: bottom;
+ 	border-bottom: solid 1px RGB(175, 175, 175);
+ 	padding: 5px 10px 5px 10px;
+ 	margin-right:5px;
+ 	margin-bottom:3px;
+ 	font-weight: bold;
+ 	background: url(/adm/lonIcons/lightGreyBG.png) repeat-x left top;
+ }
+ ol#LC_TabMainMenuContent li a {
+ 	color: RGB(47, 47, 47);
+ 	text-decoration: none;
+ }
+ ul.LC_TabContent {
+ 	min-height:1.6em;
+ }
+ ul.LC_TabContent li {
+ 	vertical-align:middle;
+ 	padding: 0 10px 0 10px;
+ 	background-color:$tabbg;
+ 	border-bottom:solid 1px $lg_border_color;
+ }
+ ul.LC_TabContent li a, ul.LC_TabContent li {
+ 	color:rgb(47,47,47);
+ 	text-decoration:none;
+ 	font-size:95%;
+ 	font-weight:bold;
+ 	padding-right: 16px;
+ }
+ ul.LC_TabContent li:hover, ul.LC_TabContent li.active {
+         background:#FFFFFF url(/adm/lonIcons/open.gif) no-repeat scroll right center;
+ 	border-bottom:solid 1px #FFFFFF;
+ 	padding-right: 16px;
+ }
+ ul.LC_TabContentBigger li {
+ 	vertical-align:bottom;
+ 	border-top:solid 1px $lg_border_color;
+ 	border-left:solid 1px $lg_border_color;
+ 	padding:5px 10px 5px 10px;
+ 	margin-left:2px;
+ 	background:url(/adm/lonIcons/lightGreyBG.png) repeat-x left top;
+ }
+ ul.LC_TabContentBigger li:hover,
+ ul.LC_TabContentBigger li.active {
+ 	background:url(/adm/lonIcons/lightGreyBG.png) repeat-x right bottom;
+ }
+ ul.LC_TabContentBigger li,
+ ul.LC_TabContentBigger li a {
+ 	font-size:110%;
+ 	font-weight:bold;
+ }
+ ol#LC_MenuBreadcrumbs,
+ ol#LC_PathBreadcrumbs,
+ ul.LC_CourseBreadcrumbs {
+ 	border-top: solid 1px RGB(255, 255, 255);
+ 	height: 20px;
+ 	line-height: 20px;
+ 	vertical-align: bottom;
+ 	margin: 0 0 30px 0;
+ 	padding-left: 10px;
+ 	list-style-position: inside;
+ 	background: url(/adm/lonIcons/lightGreyBG.png) repeat-x left top;
+ }
+ ol#LC_MenuBreadcrumbs li,
+ ol#LC_PathBreadcrumbs li,
+ ul.LC_CourseBreadcrumbs li {
+ /*
+ 	background: url(/adm/lonIcons/arrow_white.png) no-repeat left center;
+ */
+ 	display: inline;
+ 	padding: 0 0 0 10px;
+ /*	vertical-align: bottom; */
+ 	overflow:hidden;
+ }
+ ol#LC_MenuBreadcrumbs li a, ul.LC_CourseBreadcrumbs li a {
+ 	text-decoration: none;
+ 	font-size:90%;
+ }
+ ol#LC_PathBreadcrumbs li a {
+ 	text-decoration:none;
+ 	font-size:100%;
+ 	font-weight:bold;
+ }
+ .LC_BoxPadding {
+ 	padding: 10px;
+ }
+ .LC_ContentBoxSpecial {
+ 	border: solid 1px $lg_border_color;
+ }
+ .LC_ContentBoxSpecialContactInfo {
+ 	border: solid 1px $lg_border_color;
+ 	max-width:25%;
+ 	min-width:25%;
+ }
+ .LC_AboutMe_Image {
+ 	float:left;
+ 	margin-right:10px;
+ }
+ .LC_Clear_AboutMe_Image {
+ 	clear:left;
+ }
+ dl.LC_ListStyleClean dt {
+ 	padding-right: 5px;
+ 	display: table-header-group;
+ }
+ dl.LC_ListStyleClean dd {
+ 	display: table-row;
+ }
+ .LC_ListStyleClean,
+ .LC_ListStyleSimple,
+ .LC_ListStyleNormal,
+ .LC_ListStyle_Border,
+ .LC_ListStyleSpecial {
+ 	/*display:block;	*/
+ 	list-style-position: inside;
+ 	list-style-type: none;
+ 	overflow: hidden;
+ 	padding: 0;
+ }
+ .LC_ListStyleSimple li,
+ .LC_ListStyleSimple dd,
+ .LC_ListStyleNormal li,
+ .LC_ListStyleNormal dd,
+ .LC_ListStyleSpecial li,
+ .LC_ListStyleSpecial dd {
+ 	margin: 0;
+ 	padding: 5px 5px 5px 10px;
+ 	clear: both;
+ }
+ .LC_ListStyleClean li,
+ .LC_ListStyleClean dd {
+ 	padding-top: 0;
+ 	padding-bottom: 0;
+ }
+ .LC_ListStyleSimple dd,
+ .LC_ListStyleSimple li {
+ 	border-bottom: solid 1px $lg_border_color;
+ }
+ .LC_ListStyleSpecial li,
+ .LC_ListStyleSpecial dd {
+ 	list-style-type: none;
+ 	background-color: RGB(220, 220, 220);
+ 	margin-bottom: 4px;
+ }
+ table.LC_SimpleTable {
+ 	margin:5px;
+ 	border:solid 1px $lg_border_color;
+ }
+ table.LC_SimpleTable tr {
+ 	padding: 0;
+ 	border:solid 1px $lg_border_color;
+ }
+ table.LC_SimpleTable thead {
+ 	 background:rgb(220,220,220);
+ }
+ div.LC_columnSection {
+ 	display: block;
+ 	clear: both;
+ 	overflow: hidden;
+ 	margin: 0;
+ }
+ div.LC_columnSection>* {
+ 	float: left;
+ 	margin: 10px 20px 10px 0;
+ 	overflow:hidden;
+ }
+ .ContentBoxSpecialTemplate {
+         border: solid 1px $lg_border_color;
+ }
+ .ContentBoxTemplate {
+         padding:10px;
+ }
+ div.LC_columnSection > .ContentBoxTemplate,
+ div.LC_columnSection > .ContentBoxSpecialTemplate {
+         width: 600px;
+ }
+ .clear {
+ 	clear: both;
+ 	line-height: 0;
+ 	font-size: 0;
+ 	height: 0;
+ }
+ .LC_loginpage_container {
+ 	text-align:left;
+ 	margin : 0 auto;
+ 	width:90%;
+ 	padding: 10px;
+ 	height: auto;
+ 	background-color:#FFFFFF;
+ 	border:1px solid #CCCCCC;
+ }
+ .LC_loginpage_loginContainer {
+ 	float:left;
+ 	width: 182px;
+ 	padding: 2px;
+ 	border:1px solid #CCCCCC;
+ 	background-color:$loginbg;
+ }
+ .LC_loginpage_loginContainer h2 {
+ 	margin-top: 0;
+ 	display:block;
+ 	background:$bgcol;
+ 	color:$textcol;
+ 	padding-left:5px;
+ }
+ .LC_loginpage_loginInfo {
+ 	float:left;
+ 	width:182px;
+ 	border:1px solid #CCCCCC;
+ 	padding:2px;
+ }
+ .LC_loginpage_space {
+ 	clear: both;
+ 	margin-bottom: 20px;
+ 	border-bottom: 1px solid #CCCCCC;
+ }
+ .LC_loginpage_floatLeft {
+ 	float: left;
+ 	width: 200px;
+ 	margin: 0;
+ }
+ table em {
+ 	font-weight: bold;
+ 	font-style: normal;
+ }
+ table.LC_tableBrowseRes,
+ table.LC_tableOfContent {
+         border:none;
+ 	border-spacing: 1;
+ 	padding: 3px;
+ 	background-color: #FFFFFF;
+ 	font-size: 90%;
+ }
+ table.LC_tableOfContent{
+     border-collapse: collapse;
+ }
+ table.LC_tableBrowseRes a,
+ table.LC_tableOfContent a {
+         background-color: transparent;
+ 	text-decoration: none;
+ }
+ table.LC_tableBrowseRes tr.LC_trOdd,
+ table.LC_tableOfContent tr.LC_trOdd{
+ 	background-color: #EEEEEE;
+ }
+ table.LC_tableOfContent img {
+ 	border: none;
+ 	height: 1.3em;
+ 	vertical-align: text-bottom;
+ 	margin-right: 0.3em;
+ }
+ a#LC_content_toolbar_firsthomework {
+ 	background-image:url(/res/adm/pages/open-first-problem.gif);
+ }
+ a#LC_content_toolbar_launchnav {
+ 	background-image:url(/res/adm/pages/start-navigation.gif);
+ }
+ a#LC_content_toolbar_closenav {
+ 	background-image:url(/res/adm/pages/close-navigation.gif);
+ }
+ a#LC_content_toolbar_everything {
+ 	background-image:url(/res/adm/pages/show-all.gif);
+ }
+ a#LC_content_toolbar_uncompleted {
+ 	background-image:url(/res/adm/pages/show-incomplete-problems.gif);
+ }
+ #LC_content_toolbar_clearbubbles {
+ 	background-image:url(/res/adm/pages/mark-discussionentries-read.gif);
+ }
+ a#LC_content_toolbar_changefolder {
+ 	background : url(/res/adm/pages/close-all-folders.gif) top center ;
+ }
+ a#LC_content_toolbar_changefolder_toggled {
+ 	background-image:url(/res/adm/pages/open-all-folders.gif);
+ }
+ ul#LC_toolbar li a:hover {
+ 	background-position: bottom center;
+ }
+ ul#LC_toolbar {
+ 	padding: 0;
+ 	margin: 2px;
+ 	list-style:none;
+ 	position:relative;
+ 	background-color:white;
+ }
+ ul#LC_toolbar li {
+ 	border:1px solid white;
+ 	padding: 0;
+ 	margin: 0;
+         float: left;
+ 	display:inline;
+ 	vertical-align:middle;
+ }
+ a.LC_toolbarItem {
+ 	display:block;
+ 	padding: 0;
+ 	margin: 0;
+ 	height: 32px;
+ 	width: 32px;
+ 	color:white;
+ 	border: none;
+ 	background-repeat:no-repeat;
+ 	background-color:transparent;
+ }
+ ul.LC_functionslist li {
+   float: left;
+   white-space: nowrap;
+   height: 35px; /* at least as high as heighest list item */
+   margin: 0 15px 15px 10px;
+ }
  END
  }
  =pod
- =over 4
  =item * &headtag()
  Returns a uniform footer for LON-CAPA web pages.
- Line 3831  Inputs: $title - optional title for the
+ Line 6313  Inputs: $title - optional title for the
              no_auto_mt_title
                             -> prevent &mt()ing the title arg
- =back
  =cut
  sub headtag {
- Line 3888  ADDMETA
+ Line 6368  ADDMETA
  =pod
- =over 4
  =item * &font_settings()
  Returns neccessary <meta> to set the proper encoding
  Inputs: none
- =back
  =cut
  sub font_settings {
      my $headerstring='';
-     if (($env{'browser.os'} eq 'mac') && (!$env{'browser.mathml'})) {
+     if (!$env{'browser.mathml'} && $env{'browser.unicode'}) {
- 	$headerstring.=
- 	    '<meta Content-Type="text/html; charset=x-mac-roman" />';
-     } elsif (!$env{'browser.mathml'} && $env{'browser.unicode'}) {
  	$headerstring.=
  	    '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />';
      }
- Line 3914  sub font_settings {
+ Line 6387  sub font_settings {
  =pod
- =over 4
  =item * &xml_begin()
  Returns the needed doctype and <html>
  Inputs: none
- =back
  =cut
  sub xml_begin {
      my $output='';
-     &Apache::lonhtmlcommon::init_htmlareafields();
+     if ($env{'internal.start_page'}==1) {
+ 	&Apache::lonhtmlcommon::init_htmlareafields();
+     }
      if ($env{'browser.mathml'}) {
  	$output='<?xml version="1.0"?>'
- Line 3948  sub xml_begin {
+ Line 6419  sub xml_begin {
  =pod
- =over 4
  =item * &endheadtag()
  Returns a uniform </head> for LON-CAPA web pages.
  Inputs: none
- =back
  =cut
  sub endheadtag {
- Line 3966  sub endheadtag {
+ Line 6433  sub endheadtag {
  =pod
- =over 4
  =item * &head()
  Returns a uniform complete <head>..</head> section for LON-CAPA web pages.
- Inputs: $title - optional title for the page
+ Inputs:
-         $head_extra - optional extra HTML to put inside the <head>
+ =over 4
+ $title - optional title for the page
+ $head_extra - optional extra HTML to put inside the <head>
  =back
- Line 3986  sub head {
+ Line 6456  sub head {
  =pod
- =over 4
  =item * &start_page()
  Returns a complete <html> .. <body> section for LON-CAPA web pages.
- Inputs: $title - optional title for the page
+ Inputs:
-         $head_extra - optional extra HTML to incude inside the <head>
-         $args - additional optional args supported are:
+ =over 4
-                   only_body      -> is true will set &bodytag() onlybodytag
+ $title - optional title for the page
+ $head_extra - optional extra HTML to incude inside the <head>
+ $args - additional optional args supported are:
+ =over 8
+              only_body      -> is true will set &bodytag() onlybodytag
                                      arg on
-                   no_nav_bar     -> is true will set &bodytag() notopbar arg on
+              no_nav_bar     -> is true will set &bodytag() notopbar arg on
-                   add_entries    -> additional attributes to add to the  <body>
+              add_entries    -> additional attributes to add to the  <body>
-                   domain         -> force to color decorate a page for a
+              domain         -> force to color decorate a page for a
                                      specific domain
-                   function       -> force usage of a specific rolish color
+              function       -> force usage of a specific rolish color
                                      scheme
-                   redirect       -> see &headtag()
+              redirect       -> see &headtag()
-                   bgcolor        -> override the default page bg color
+              bgcolor        -> override the default page bg color
-                   js_ready       -> return a string ready for being used in
+              js_ready       -> return a string ready for being used in
                                      a javascript writeln
-                   html_encode    -> return a string ready for being used in
+              html_encode    -> return a string ready for being used in
                                      a html attribute
-                   force_register -> if is true will turn on the &bodytag()
+              force_register -> if is true will turn on the &bodytag()
                                      $forcereg arg
-                   body_title     -> alternate text to use instead of $title
+              body_title     -> alternate text to use instead of $title
                                      in the title box that appears, this text
                                      is not auto translated like the $title is
-                   frameset       -> if true will start with a <frameset>
+              frameset       -> if true will start with a <frameset>
                                      rather than <body>
-                   no_title       -> if true the title bar won't be shown
+              no_title       -> if true the title bar won't be shown
-                   skip_phases    -> hash ref of
+              skip_phases    -> hash ref of
                                      head -> skip the <html><head> generation
                                      body -> skip all <body> generation
+              no_inline_link -> if true and in remote mode, don't show the
-                   no_inline_link -> if true and in remote mode, don't show the
                                      'Switch To Inline Menu' link
+              no_auto_mt_title -> prevent &mt()ing the title arg
+              inherit_jsmath -> when creating popup window in a page,
+                                     should it have jsmath forced on by the
+                                     current page
-                   no_auto_mt_title -> prevent &mt()ing the title arg
+ =back
  =back
- Line 4068  sub start_page {
+ Line 6548  sub start_page {
      }
      if ($args->{'js_ready'}) {
- 	$result = &js_ready($result);
+ 		$result = &js_ready($result);
      }
      if ($args->{'html_encode'}) {
- 	$result = &html_encode($result);
+ 		$result = &html_encode($result);
+     }
+ 	#Breadcrumbs
+     if (exists($args->{'bread_crumbs'}) or exists($args->{'bread_crumbs_component'})) {
+ 		&Apache::lonhtmlcommon::clear_breadcrumbs();
+ 		#if any br links exists, add them to the breadcrumbs
+ 		if (exists($args->{'bread_crumbs'}) and ref($args->{'bread_crumbs'}) eq 'ARRAY') {
+ 			foreach my $crumb (@{$args->{'bread_crumbs'}}){
+ 				&Apache::lonhtmlcommon::add_breadcrumb($crumb);
+ 			}
+ 		}
+ 		#if bread_crumbs_component exists show it as headline else show only the breadcrumbs
+ 		if(exists($args->{'bread_crumbs_component'})){
+ 			$result .= &Apache::lonhtmlcommon::breadcrumbs($args->{'bread_crumbs_component'});
+ 		}else{
+ 			$result .= &Apache::lonhtmlcommon::breadcrumbs();
+ 		}
      }
      return $result;
  }
- Line 4079  sub start_page {
+ Line 6577  sub start_page {
  =pod
- =over 4
  =item * &head()
  Returns a complete </body></html> section for LON-CAPA web pages.
- Line 4092  Inputs:         $args - additional optio
+ Line 6588  Inputs:         $args - additional optio
                                   a html attribute
                   frameset     -> if true will start with a <frameset>
                                   rather than <body>
+                  dicsussion   -> if true will get discussion from
+                                   lonxml::xmlend
+                                  (you can pass the target and parser arguments
+                                   through optional 'target' and 'parser' args
+                                   to this routine)
  =cut
- Line 4111  sub end_page {
+ Line 6612  sub end_page {
      if ($args->{'frameset'}) {
  	$result .= '</frameset>';
      } else {
- 	$result .= &endbodytag();
+ 	$result .= &endbodytag($args);
      }
      $result .= "\n</html>";
- Line 4183  sub simple_error_page {
+ Line 6684  sub simple_error_page {
  }
  {
-     my $row_count;
+     my @row_count;
      sub start_data_table {
  	my ($add_class) = @_;
  	my $css_class = (join(' ','LC_data_table',$add_class));
- 	undef($row_count);
+ 	unshift(@row_count,0);
  	return '<table class="'.$css_class.'">'."\n";
      }
      sub end_data_table {
- 	undef($row_count);
+ 	shift(@row_count);
  	return '</table>'."\n";;
      }
      sub start_data_table_row {
  	my ($add_class) = @_;
- 	$row_count++;
+ 	$row_count[0]++;
- 	my $css_class = ($row_count % 2)?'':'LC_even_row';
+ 	my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row';
+ 	$css_class = (join(' ',$css_class,$add_class));
+ 	return  '<tr class="'.$css_class.'">'."\n";;
+     }
+     sub continue_data_table_row {
+ 	my ($add_class) = @_;
+ 	my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row';
  	$css_class = (join(' ',$css_class,$add_class));
  	return  '<tr class="'.$css_class.'">'."\n";;
      }
- Line 4209  sub simple_error_page {
+ Line 6717  sub simple_error_page {
      }
      sub start_data_table_empty_row {
- 	$row_count++;
+ #	$row_count[0]++;
  	return  '<tr class="LC_empty_row" >'."\n";;
      }
- Line 4226  sub simple_error_page {
+ Line 6734  sub simple_error_page {
      }
  }
+ =pod
+ =item * &inhibit_menu_check($arg)
+ Checks for a inhibitmenu state and generates output to preserve it
+ Inputs:         $arg - can be any of
+                      - undef - in which case the return value is a string
+                                to add  into arguments list of a uri
+                      - 'input' - in which case the return value is a HTML
+                                  <form> <input> field of type hidden to
+                                  preserve the value
+                      - a url - in which case the return value is the url with
+                                the neccesary cgi args added to preserve the
+                                inhibitmenu state
+                      - a ref to a url - no return value, but the string is
+                                         updated to include the neccessary cgi
+                                         args to preserve the inhibitmenu state
+ =cut
+ sub inhibit_menu_check {
+     my ($arg) = @_;
+     &get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['inhibitmenu']);
+     if ($arg eq 'input') {
+ 	if ($env{'form.inhibitmenu'}) {
+ 	    return '<input type="hidden" name="inhibitmenu" value="'.$env{'form.inhibitmenu'}.'" />';
+ 	} else {
+ 	    return
+ 	}
+     }
+     if ($env{'form.inhibitmenu'}) {
+ 	if (ref($arg)) {
+ 	    $$arg .= '?inhibitmenu='.$env{'form.inhibitmenu'};
+ 	} elsif ($arg eq '') {
+ 	    $arg .= 'inhibitmenu='.$env{'form.inhibitmenu'};
+ 	} else {
+ 	    $arg .= '?inhibitmenu='.$env{'form.inhibitmenu'};
+ 	}
+     }
+     if (!ref($arg)) {
+ 	return $arg;
+     }
+ }
  ###############################################
  =pod
+ =back
+ =head1 User Information Routines
+ =over 4
  =item * &get_users_function()
  Used by &bodytag to determine the current users primary role.
- Line 4257  sub get_users_function {
+ Line 6816  sub get_users_function {
  =pod
- =item * &check_user_status
+ =item * &check_user_status()
  Determines current status of supplied role for a
  specific user. Roles can be active, previous or future.
- Line 4430  previous, future, or all.
+ Line 6989  previous, future, or all.
 . reference to array of section restrictions (optional)
 . reference to results object (hash of hashes).
 . reference to optional userdata hash
- Keys of top level hash are roles.
+. reference to optional statushash
+. flag if privileged users (except those set to unhide in
+    course settings) should be excluded
+ Keys of top level results hash are roles.
  Keys of inner hashes are username:domain, with
  values set to access type.
  Optional userdata hash returns an array with arguments in the
  same order as loncoursedata::get_classlist() for student data.
+ Optional statushash returns
  Entries for end, start, section and status are blank because
  of the possibility of multiple values for non-student roles.
- Line 4444  of the possibility of multiple values fo
+ Line 7008  of the possibility of multiple values fo
  ###############################################
  sub get_course_users {
-     my ($cdom,$cnum,$types,$roles,$sections,$users,$userdata) = @_;
+     my ($cdom,$cnum,$types,$roles,$sections,$users,$userdata,$statushash,$hidepriv) = @_;
      my %idx = ();
      my %seclists;
- Line 4464  sub get_course_users {
+ Line 7028  sub get_course_users {
              my $match = 0;
              my $secmatch = 0;
              my $section = $$classlist{$student}[$idx{section}];
+             my $status = $$classlist{$student}[$idx{status}];
              if ($section eq '') {
                  $section = 'none';
              }
- Line 4483  sub get_course_users {
+ Line 7048  sub get_course_users {
                      next;
                  }
              }
-             push(@{$seclists{$student}},$section);
              if (defined($$types{'active'})) {
                  if ($$classlist{$student}[$idx{status}] eq 'Active') {
                      push(@{$$users{st}{$student}},'active');
- Line 4491  sub get_course_users {
+ Line 7055  sub get_course_users {
                  }
              }
              if (defined($$types{'previous'})) {
-                 if ($$classlist{$student}[$idx{end}] <= $now) {
+                 if ($$classlist{$student}[$idx{status}] eq 'Expired') {
                      push(@{$$users{st}{$student}},'previous');
                      $match = 1;
                  }
              }
              if (defined($$types{'future'})) {
-                 if (($$classlist{$student}[$idx{start}] > $now) && ($$classlist{$student}[$idx{end}] > $now) || ($$classlist{$student}[$idx{end}] == 0) || ($$classlist{$student}[$idx{end}] eq '')) {
+                 if ($$classlist{$student}[$idx{status}] eq 'Future') {
                      push(@{$$users{st}{$student}},'future');
                      $match = 1;
                  }
              }
-             if ($match && ref($userdata) eq 'HASH') {
+             if ($match) {
-                 $$userdata{$student} = $$classlist{$student};
+                 push(@{$seclists{$student}},$section);
+                 if (ref($userdata) eq 'HASH') {
+                     $$userdata{$student} = $$classlist{$student};
+                 }
+                 if (ref($statushash) eq 'HASH') {
+                     $statushash->{$student}{'st'}{$section} = $status;
+                 }
              }
          }
      }
      if ((@{$roles} > 1) || ((@{$roles} == 1) && ($$roles[0] ne "st"))) {
          my %coursepersonnel = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
          my $now = time;
+         my %displaystatus = ( previous => 'Expired',
+                               active   => 'Active',
+                               future   => 'Future',
+                             );
+         my %nothide;
+         if ($hidepriv) {
+             my %coursehash=&Apache::lonnet::coursedescription($cdom.'_'.$cnum);
+             foreach my $user (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) {
+                 if ($user !~ /:/) {
+                     $nothide{join(':',split(/[\@]/,$user))}=1;
+                 } else {
+                     $nothide{$user} = 1;
+                 }
+             }
+         }
          foreach my $person (sort(keys(%coursepersonnel))) {
              my $match = 0;
              my $secmatch = 0;
- Line 4543  sub get_course_users {
+ Line 7128  sub get_course_users {
                      $usec = 'none';
                  }
                  if ($uname ne '' && $udom ne '') {
-                     if ($end < $now) {
+                     if ($hidepriv) {
+                         if ((&Apache::lonnet::privileged($uname,$udom)) &&
+                             (!$nothide{$uname.':'.$udom})) {
+                             next;
+                         }
+                     }
+                     if ($end > 0 && $end < $now) {
                          $status = 'previous';
                      } elsif ($start > $now) {
                          $status = 'future';
- Line 4565  sub get_course_users {
+ Line 7156  sub get_course_users {
                          if (!grep(/^\Q$usec\E$/,@{$seclists{$uname.':'.$udom}})) {
                              push(@{$seclists{$uname.':'.$udom}},$usec);
                          }
+                         if (ref($statushash) eq 'HASH') {
+                             $statushash->{$uname.':'.$udom}{$role}{$usec} = $displaystatus{$status};
+                         }
                      }
                  }
              }
- Line 4574  sub get_course_users {
+ Line 7168  sub get_course_users {
                  my %csettings = &Apache::lonnet::get('environment',['internal.courseowner'],$cdom,$cnum);
                  if ( defined($csettings{'internal.courseowner'}) ) {
                      my $owner = $csettings{'internal.courseowner'};
-                     if ($owner !~ /^[^:]+:[^:]+$/) {
+                     next if ($owner eq '');
-                         $owner = $owner.':'.$cdom;
+                     my ($ownername,$ownerdom);
+                     if ($owner =~ /^([^:]+):([^:]+)$/) {
+                         $ownername = $1;
+                         $ownerdom = $2;
+                     } else {
+                         $ownername = $owner;
+                         $ownerdom = $cdom;
+                         $owner = $ownername.':'.$ownerdom;
                      }
                      @{$$users{'ow'}{$owner}} = 'any';
                      if (defined($userdata) &&
- 			!exists($$userdata{$owner.':'.$cdom})) {
+ 			!exists($$userdata{$owner})) {
- 			&get_user_info($cdom,$owner,\%idx,$userdata);
+ 			&get_user_info($ownerdom,$ownername,\%idx,$userdata);
-                         if (!grep(/^none$/,@{$seclists{$owner.':'.$cdom}})) {
+                         if (!grep(/^none$/,@{$seclists{$owner}})) {
-                             push(@{$seclists{$owner.':'.$cdom}},'none');
+                             push(@{$seclists{$owner}},'none');
+                         }
+                         if (ref($statushash) eq 'HASH') {
+                             $statushash->{$owner}{'ow'}{'none'} = 'Any';
                          }
  		    }
                  }
- Line 4602  sub get_user_info {
+ Line 7206  sub get_user_info {
  	&plainname($uname,$udom,'lastname');
      $$userdata{$uname.':'.$udom}[$$idx{uname}] = $uname;
      $$userdata{$uname.':'.$udom}[$$idx{udom}] = $udom;
+     my %idhash =  &Apache::lonnet::idrget($udom,($uname));
+     $$userdata{$uname.':'.$udom}[$$idx{id}] = $idhash{$uname};
      return;
  }
+ ###############################################
+ =pod
+ =item * &get_user_quota()
+ Retrieves quota assigned for storage of portfolio files for a user
+ Incoming parameters:
+. user's username
+. user's domain
+ Returns:
+. Disk quota (in Mb) assigned to student.
+. (Optional) Type of setting: custom or default
+    (individually assigned or default for user's
+    institutional status).
+. (Optional) - User's institutional status (e.g., faculty, staff
+    or student - types as defined in localenroll::inst_usertypes
+    for user's domain, which determines default quota for user.
+. (Optional) - Default quota which would apply to the user.
+ If a value has been stored in the user's environment,
+ it will return that, otherwise it returns the maximal default
+ defined for the user's instituional status(es) in the domain.
+ =cut
+ ###############################################
+ sub get_user_quota {
+     my ($uname,$udom) = @_;
+     my ($quota,$quotatype,$settingstatus,$defquota);
+     if (!defined($udom)) {
+         $udom = $env{'user.domain'};
+     }
+     if (!defined($uname)) {
+         $uname = $env{'user.name'};
+     }
+     if (($udom eq '' || $uname eq '') ||
+         ($udom eq 'public') && ($uname eq 'public')) {
+         $quota = 0;
+         $quotatype = 'default';
+         $defquota = 0;
+     } else {
+         my $inststatus;
+         if ($udom eq $env{'user.domain'} && $uname eq $env{'user.name'}) {
+             $quota = $env{'environment.portfolioquota'};
+             $inststatus = $env{'environment.inststatus'};
+         } else {
+             my %userenv =
+                 &Apache::lonnet::get('environment',['portfolioquota',
+                                      'inststatus'],$udom,$uname);
+             my ($tmp) = keys(%userenv);
+             if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
+                 $quota = $userenv{'portfolioquota'};
+                 $inststatus = $userenv{'inststatus'};
+             } else {
+                 undef(%userenv);
+             }
+         }
+         ($defquota,$settingstatus) = &default_quota($udom,$inststatus);
+         if ($quota eq '') {
+             $quota = $defquota;
+             $quotatype = 'default';
+         } else {
+             $quotatype = 'custom';
+         }
+     }
+     if (wantarray) {
+         return ($quota,$quotatype,$settingstatus,$defquota);
+     } else {
+         return $quota;
+     }
+ }
+ ###############################################
+ =pod
+ =item * &default_quota()
+ Retrieves default quota assigned for storage of user portfolio files,
+ given an (optional) user's institutional status.
+ Incoming parameters:
+. domain
+. (Optional) institutional status(es).  This is a : separated list of
+    status types (e.g., faculty, staff, student etc.)
+    which apply to the user for whom the default is being retrieved.
+    If the institutional status string in undefined, the domain
+    default quota will be returned.
+ Returns:
+. Default disk quota (in Mb) for user portfolios in the domain.
+. (Optional) institutional type which determined the value of the
+    default quota.
+ If a value has been stored in the domain's configuration db,
+ it will return that, otherwise it returns 20 (for backwards
+ compatibility with domains which have not set up a configuration
+ db file; the original statically defined portfolio quota was 20 Mb).
+ If the user's status includes multiple types (e.g., staff and student),
+ the largest default quota which applies to the user determines the
+ default quota returned.
+ =back
+ =cut
+ ###############################################
+ sub default_quota {
+     my ($udom,$inststatus) = @_;
+     my ($defquota,$settingstatus);
+     my %quotahash = &Apache::lonnet::get_dom('configuration',
+                                             ['quotas'],$udom);
+     if (ref($quotahash{'quotas'}) eq 'HASH') {
+         if ($inststatus ne '') {
+             my @statuses = map { &unescape($_); } split(/:/,$inststatus);
+             foreach my $item (@statuses) {
+                 if (ref($quotahash{'quotas'}{'defaultquota'}) eq 'HASH') {
+                     if ($quotahash{'quotas'}{'defaultquota'}{$item} ne '') {
+                         if ($defquota eq '') {
+                             $defquota = $quotahash{'quotas'}{'defaultquota'}{$item};
+                             $settingstatus = $item;
+                         } elsif ($quotahash{'quotas'}{'defaultquota'}{$item} > $defquota) {
+                             $defquota = $quotahash{'quotas'}{'defaultquota'}{$item};
+                             $settingstatus = $item;
+                         }
+                     }
+                 } else {
+                     if ($quotahash{'quotas'}{$item} ne '') {
+                         if ($defquota eq '') {
+                             $defquota = $quotahash{'quotas'}{$item};
+                             $settingstatus = $item;
+                         } elsif ($quotahash{'quotas'}{$item} > $defquota) {
+                             $defquota = $quotahash{'quotas'}{$item};
+                             $settingstatus = $item;
+                         }
+                     }
+                 }
+             }
+         }
+         if ($defquota eq '') {
+             if (ref($quotahash{'quotas'}{'defaultquota'}) eq 'HASH') {
+                 $defquota = $quotahash{'quotas'}{'defaultquota'}{'default'};
+             } else {
+                 $defquota = $quotahash{'quotas'}{'default'};
+             }
+             $settingstatus = 'default';
+         }
+     } else {
+         $settingstatus = 'default';
+         $defquota = 20;
+     }
+     if (wantarray) {
+         return ($defquota,$settingstatus);
+     } else {
+         return $defquota;
+     }
+ }
  sub get_secgrprole_info {
      my ($cdom,$cnum,$needroles,$type)  = @_;
      my %sections_count = &get_sections($cdom,$cnum);
- Line 4642  sub get_secgrprole_info {
+ Line 7414  sub get_secgrprole_info {
      return (\@sections,\@groups,$allroles,$rolehash,$accesshash);
  }
+ sub user_picker {
+     my ($dom,$srch,$forcenewuser,$caller,$cancreate,$usertype) = @_;
+     my $currdom = $dom;
+     my %curr_selected = (
+                         srchin => 'dom',
+                         srchby => 'lastname',
+                       );
+     my $srchterm;
+     if ((ref($srch) eq 'HASH') && ($env{'form.origform'} ne 'crtusername')) {
+         if ($srch->{'srchby'} ne '') {
+             $curr_selected{'srchby'} = $srch->{'srchby'};
+         }
+         if ($srch->{'srchin'} ne '') {
+             $curr_selected{'srchin'} = $srch->{'srchin'};
+         }
+         if ($srch->{'srchtype'} ne '') {
+             $curr_selected{'srchtype'} = $srch->{'srchtype'};
+         }
+         if ($srch->{'srchdomain'} ne '') {
+             $currdom = $srch->{'srchdomain'};
+         }
+         $srchterm = $srch->{'srchterm'};
+     }
+     my %lt=&Apache::lonlocal::texthash(
+                     'usr'       => 'Search criteria',
+                     'doma'      => 'Domain/institution to search',
+                     'uname'     => 'username',
+                     'lastname'  => 'last name',
+                     'lastfirst' => 'last name, first name',
+                     'crs'       => 'in this course',
+                     'dom'       => 'in selected LON-CAPA domain',
+                     'alc'       => 'all LON-CAPA',
+                     'instd'     => 'in institutional directory for selected domain',
+                     'exact'     => 'is',
+                     'contains'  => 'contains',
+                     'begins'    => 'begins with',
+                     'youm'      => "You must include some text to search for.",
+                     'thte'      => "The text you are searching for must contain at least two characters when using a 'begins' type search.",
+                     'thet'      => "The text you are searching for must contain at least three characters when using a 'contains' type search.",
+                     'yomc'      => "You must choose a domain when using an institutional directory search.",
+                     'ymcd'      => "You must choose a domain when using a domain search.",
+                     'whus'      => "When using searching by last,first you must include a comma as separator between last name and first name.",
+                     'whse'      => "When searching by last,first you must include at least one character in the first name.",
+                      'thfo'     => "The following need to be corrected before the search can be run:",
+                                        );
+     my $domform = &select_dom_form($currdom,'srchdomain',1,1);
+     my $srchinsel = ' <select name="srchin">';
+     my @srchins = ('crs','dom','alc','instd');
+     foreach my $option (@srchins) {
+         # FIXME 'alc' option unavailable until
+         #       loncreateuser::print_user_query_page()
+         #       has been completed.
+         next if ($option eq 'alc');
+         next if ($option eq 'crs' && !$env{'request.course.id'});
+         if ($curr_selected{'srchin'} eq $option) {
+             $srchinsel .= '
+    <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
+         } else {
+             $srchinsel .= '
+    <option value="'.$option.'">'.$lt{$option}.'</option>';
+         }
+     }
+     $srchinsel .= "\n  </select>\n";
+     my $srchbysel =  ' <select name="srchby">';
+     foreach my $option ('lastname','lastfirst','uname') {
+         if ($curr_selected{'srchby'} eq $option) {
+             $srchbysel .= '
+    <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
+         } else {
+             $srchbysel .= '
+    <option value="'.$option.'">'.$lt{$option}.'</option>';
+          }
+     }
+     $srchbysel .= "\n  </select>\n";
+     my $srchtypesel = ' <select name="srchtype">';
+     foreach my $option ('begins','contains','exact') {
+         if ($curr_selected{'srchtype'} eq $option) {
+             $srchtypesel .= '
+    <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
+         } else {
+             $srchtypesel .= '
+    <option value="'.$option.'">'.$lt{$option}.'</option>';
+         }
+     }
+     $srchtypesel .= "\n  </select>\n";
+     my ($newuserscript,$new_user_create);
+     if ($forcenewuser) {
+         if (ref($srch) eq 'HASH') {
+             if ($srch->{'srchby'} eq 'uname' && $srch->{'srchtype'} eq 'exact' && $srch->{'srchin'} eq 'dom' && $srch->{'srchdomain'} eq $env{'request.role.domain'}) {
+                 if ($cancreate) {
+                     $new_user_create = '<p> <input type="submit" name="forcenew" value="'.&HTML::Entities::encode(&mt('Make new user "[_1]"',$srchterm),'<>&"').'" onclick="javascript:setSearch(\'1\','.$caller.');" /> </p>';
+                 } else {
+                     my $helplink = 'javascript:helpMenu('."'display'".')';
+                     my %usertypetext = (
+                         official   => 'institutional',
+                         unofficial => 'non-institutional',
+                     );
+                     $new_user_create = '<p class="LC_warning">'
+                                       .&mt("You are not authorized to create new $usertypetext{$usertype} users in this domain.")
+                                       .' '
+                                       .&mt('Please contact the [_1]helpdesk[_2] for assistance.'
+                                           ,'<a href="'.$helplink.'">','</a>')
+                                       .'</p><br />';
+                 }
+             }
+         }
+         $newuserscript = <<"ENDSCRIPT";
+ function setSearch(createnew,callingForm) {
+     if (createnew == 1) {
+         for (var i=0; i<callingForm.srchby.length; i++) {
+             if (callingForm.srchby.options[i].value == 'uname') {
+                 callingForm.srchby.selectedIndex = i;
+             }
+         }
+         for (var i=0; i<callingForm.srchin.length; i++) {
+             if ( callingForm.srchin.options[i].value == 'dom') {
+ 		callingForm.srchin.selectedIndex = i;
+             }
+         }
+         for (var i=0; i<callingForm.srchtype.length; i++) {
+             if (callingForm.srchtype.options[i].value == 'exact') {
+                 callingForm.srchtype.selectedIndex = i;
+             }
+         }
+         for (var i=0; i<callingForm.srchdomain.length; i++) {
+             if (callingForm.srchdomain.options[i].value == '$env{'request.role.domain'}') {
+                 callingForm.srchdomain.selectedIndex = i;
+             }
+         }
+     }
+ }
+ ENDSCRIPT
+     }
+     my $output = <<"END_BLOCK";
+ <script type="text/javascript">
+ function validateEntry(callingForm) {
+     var checkok = 1;
+     var srchin;
+     for (var i=0; i<callingForm.srchin.length; i++) {
+ 	if ( callingForm.srchin[i].checked ) {
+ 	    srchin = callingForm.srchin[i].value;
+ 	}
+     }
+     var srchtype = callingForm.srchtype.options[callingForm.srchtype.selectedIndex].value;
+     var srchby = callingForm.srchby.options[callingForm.srchby.selectedIndex].value;
+     var srchdomain = callingForm.srchdomain.options[callingForm.srchdomain.selectedIndex].value;
+     var srchterm =  callingForm.srchterm.value;
+     var srchin = callingForm.srchin.options[callingForm.srchin.selectedIndex].value;
+     var msg = "";
+     if (srchterm == "") {
+         checkok = 0;
+         msg += "$lt{'youm'}\\n";
+     }
+     if (srchtype== 'begins') {
+         if (srchterm.length < 2) {
+             checkok = 0;
+             msg += "$lt{'thte'}\\n";
+         }
+     }
+     if (srchtype== 'contains') {
+         if (srchterm.length < 3) {
+             checkok = 0;
+             msg += "$lt{'thet'}\\n";
+         }
+     }
+     if (srchin == 'instd') {
+         if (srchdomain == '') {
+             checkok = 0;
+             msg += "$lt{'yomc'}\\n";
+         }
+     }
+     if (srchin == 'dom') {
+         if (srchdomain == '') {
+             checkok = 0;
+             msg += "$lt{'ymcd'}\\n";
+         }
+     }
+     if (srchby == 'lastfirst') {
+         if (srchterm.indexOf(",") == -1) {
+             checkok = 0;
+             msg += "$lt{'whus'}\\n";
+         }
+         if (srchterm.indexOf(",") == srchterm.length -1) {
+             checkok = 0;
+             msg += "$lt{'whse'}\\n";
+         }
+     }
+     if (checkok == 0) {
+         alert("$lt{'thfo'}\\n"+msg);
+         return;
+     }
+     if (checkok == 1) {
+         callingForm.submit();
+     }
+ }
+ $newuserscript
+ </script>
+ $new_user_create
+ <table>
+  <tr>
+   <td>$lt{'doma'}:</td>
+   <td>$domform</td>
+   </td>
+  </tr>
+  <tr>
+   <td>$lt{'usr'}:</td>
+   <td>$srchbysel
+       $srchtypesel
+       <input type="text" size="15" name="srchterm" value="$srchterm" />
+       $srchinsel
+   </td>
+  </tr>
+ </table>
+ <br />
+ END_BLOCK
+     return $output;
+ }
+ sub user_rule_check {
+     my ($usershash,$checks,$alerts,$rulematch,$inst_results,$curr_rules,$got_rules) = @_;
+     my $response;
+     if (ref($usershash) eq 'HASH') {
+         foreach my $user (keys(%{$usershash})) {
+             my ($uname,$udom) = split(/:/,$user);
+             next if ($udom eq '' || $uname eq '');
+             my ($id,$newuser);
+             if (ref($usershash->{$user}) eq 'HASH') {
+                 $newuser = $usershash->{$user}->{'newuser'};
+                 $id = $usershash->{$user}->{'id'};
+             }
+             my $inst_response;
+             if (ref($checks) eq 'HASH') {
+                 if (defined($checks->{'username'})) {
+                     ($inst_response,%{$inst_results->{$user}}) =
+                         &Apache::lonnet::get_instuser($udom,$uname);
+                 } elsif (defined($checks->{'id'})) {
+                     ($inst_response,%{$inst_results->{$user}}) =
+                         &Apache::lonnet::get_instuser($udom,undef,$id);
+                 }
+             } else {
+                 ($inst_response,%{$inst_results->{$user}}) =
+                     &Apache::lonnet::get_instuser($udom,$uname);
+                 return;
+             }
+             if (!$got_rules->{$udom}) {
+                 my %domconfig = &Apache::lonnet::get_dom('configuration',
+                                                   ['usercreation'],$udom);
+                 if (ref($domconfig{'usercreation'}) eq 'HASH') {
+                     foreach my $item ('username','id') {
+                         if (ref($domconfig{'usercreation'}{$item.'_rule'}) eq 'ARRAY') {
+                             $$curr_rules{$udom}{$item} =
+                                 $domconfig{'usercreation'}{$item.'_rule'};
+                         }
+                     }
+                 }
+                 $got_rules->{$udom} = 1;
+             }
+             foreach my $item (keys(%{$checks})) {
+                 if (ref($$curr_rules{$udom}) eq 'HASH') {
+                     if (ref($$curr_rules{$udom}{$item}) eq 'ARRAY') {
+                         if (@{$$curr_rules{$udom}{$item}} > 0) {
+                             my %rule_check = &Apache::lonnet::inst_rulecheck($udom,$uname,$id,$item,$$curr_rules{$udom}{$item});
+                             foreach my $rule (@{$$curr_rules{$udom}{$item}}) {
+                                 if ($rule_check{$rule}) {
+                                     $$rulematch{$user}{$item} = $rule;
+                                     if ($inst_response eq 'ok') {
+                                         if (ref($inst_results) eq 'HASH') {
+                                             if (ref($inst_results->{$user}) eq 'HASH') {
+                                                 if (keys(%{$inst_results->{$user}}) == 0) {
+                                                     $$alerts{$item}{$udom}{$uname} = 1;
+                                                 }
+                                             }
+                                         }
+                                     }
+                                     last;
+                                 }
+                             }
+                         }
+                     }
+                 }
+             }
+         }
+     }
+     return;
+ }
+ sub user_rule_formats {
+     my ($domain,$domdesc,$curr_rules,$check) = @_;
+     my %text = (
+                  'username' => 'Usernames',
+                  'id'       => 'IDs',
+                );
+     my $output;
+     my ($rules,$ruleorder) = &Apache::lonnet::inst_userrules($domain,$check);
+     if ((ref($rules) eq 'HASH') && (ref($ruleorder) eq 'ARRAY')) {
+         if (@{$ruleorder} > 0) {
+             $output = '<br />'.&mt("$text{$check} with the following format(s) may <span class=\"LC_cusr_emph\">only</span> be used for verified users at [_1]:",$domdesc).' <ul>';
+             foreach my $rule (@{$ruleorder}) {
+                 if (ref($curr_rules) eq 'ARRAY') {
+                     if (grep(/^\Q$rule\E$/,@{$curr_rules})) {
+                         if (ref($rules->{$rule}) eq 'HASH') {
+                             $output .= '<li>'.$rules->{$rule}{'name'}.': '.
+                                         $rules->{$rule}{'desc'}.'</li>';
+                         }
+                     }
+                 }
+             }
+             $output .= '</ul>';
+         }
+     }
+     return $output;
+ }
+ sub instrule_disallow_msg {
+     my ($checkitem,$domdesc,$count,$mode) = @_;
+     my $response;
+     my %text = (
+                   item   => 'username',
+                   items  => 'usernames',
+                   match  => 'matches',
+                   do     => 'does',
+                   action => 'a username',
+                   one    => 'one',
+                );
+     if ($count > 1) {
+         $text{'item'} = 'usernames';
+         $text{'match'} ='match';
+         $text{'do'} = 'do';
+         $text{'action'} = 'usernames',
+         $text{'one'} = 'ones';
+     }
+     if ($checkitem eq 'id') {
+         $text{'items'} = 'IDs';
+         $text{'item'} = 'ID';
+         $text{'action'} = 'an ID';
+         if ($count > 1) {
+             $text{'item'} = 'IDs';
+             $text{'action'} = 'IDs';
+         }
+     }
+     $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 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') {
+             $response .= &mt("You must choose $text{'action'} with a different format --  $text{'one'} that will not conflict with 'official' institutional $text{'items'}.");
+         } elsif ($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.");
+         }
+     }
+     return $response;
+ }
+ sub personal_data_fieldtitles {
+     my %fieldtitles = &Apache::lonlocal::texthash (
+                         id => 'Student/Employee ID',
+                         permanentemail => 'E-mail address',
+                         lastname => 'Last Name',
+                         firstname => 'First Name',
+                         middlename => 'Middle Name',
+                         generation => 'Generation',
+                         gen => 'Generation',
+                         inststatus => 'Affiliation',
+                    );
+     return %fieldtitles;
+ }
+ sub sorted_inst_types {
+     my ($dom) = @_;
+     my ($usertypes,$order) = &Apache::lonnet::retrieve_inst_usertypes($dom);
+     my $othertitle = &mt('All users');
+     if ($env{'request.course.id'}) {
+         $othertitle  = &mt('Any 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 get_institutional_codes {
+     my ($settings,$allcourses,$LC_code) = @_;
+ # Get complete list of course sections to update
+     my @currsections = ();
+     my @currxlists = ();
+     my $coursecode = $$settings{'internal.coursecode'};
+     if ($$settings{'internal.sectionnums'} ne '') {
+         @currsections = split(/,/,$$settings{'internal.sectionnums'});
+     }
+     if ($$settings{'internal.crosslistings'} ne '') {
+         @currxlists = split(/,/,$$settings{'internal.crosslistings'});
+     }
+     if (@currxlists > 0) {
+         foreach (@currxlists) {
+             if (m/^([^:]+):(\w*)$/) {
+                 unless (grep/^$1$/,@{$allcourses}) {
+                     push @{$allcourses},$1;
+                     $$LC_code{$1} = $2;
+                 }
+             }
+         }
+     }
+     if (@currsections > 0) {
+         foreach (@currsections) {
+             if (m/^(\w+):(\w*)$/) {
+                 my $sec = $coursecode.$1;
+                 my $lc_sec = $2;
+                 unless (grep/^$sec$/,@{$allcourses}) {
+                     push @{$allcourses},$sec;
+                     $$LC_code{$sec} = $lc_sec;
+                 }
+             }
+         }
+     }
+     return;
+ }
  =pod
- =item * get_unprocessed_cgi($query,$possible_names)
+ =head1 Slot Helpers
+ =over 4
+ =item * sorted_slots()
+ Sorts an array of slot names in order of slot start time (earliest first).
+ Inputs:
+ =over 4
+ slotsarr  - Reference to array of unsorted slot names.
+ slots     - Reference to hash of hash, where outer hash keys are slot names.
+ =back
+ Returns:
+ =over 4
+ sorted   - An array of slot names sorted by the start time of the slot.
+ =back
+ =back
+ =cut
+ sub sorted_slots {
+     my ($slotsarr,$slots) = @_;
+     my @sorted;
+     if ((ref($slotsarr) eq 'ARRAY') && (ref($slots) eq 'HASH')) {
+         @sorted =
+             sort {
+                      if (ref($slots->{$a}) && ref($slots->{$b})) {
+                          return $slots->{$a}{'starttime'} <=> $slots->{$b}{'starttime'}
+                      }
+                      if (ref($slots->{$a})) { return -1;}
+                      if (ref($slots->{$b})) { return 1;}
+                      return 0;
+                  } @{$slotsarr};
+     }
+     return @sorted;
+ }
+ =pod
+ =head1 HTTP Helpers
+ =over 4
+ =item * &get_unprocessed_cgi($query,$possible_names)
  Modify the %env hash to contain unprocessed CGI form parameters held in
  $query.  The parameters listed in $possible_names (an array reference),
- Line 4673  sub get_unprocessed_cgi {
+ Line 7958  sub get_unprocessed_cgi {
  =pod
- =item * cacheheader()
+ =item * &cacheheader()
  returns cache-controlling header code
- Line 4690  sub cacheheader {
+ Line 7975  sub cacheheader {
  =pod
- =item * no_cache($r)
+ =item * &no_cache($r)
  specifies header code to not have cache
- Line 4726  sub content_type {
+ Line 8011  sub content_type {
  =pod
- =item * add_to_env($name,$value)
+ =item * &add_to_env($name,$value)
  adds $name to the %env hash with value
  $value, if $name already exists, the entry is converted to an array
- Line 4753  sub add_to_env {
+ Line 8038  sub add_to_env {
  =pod
- =item * get_env_multiple($name)
+ =item * &get_env_multiple($name)
  gets $name from the %env hash, it seemlessly handles the cases where multiple
  values may be defined and end up as an array ref.
- Line 4776  sub get_env_multiple {
+ Line 8061  sub get_env_multiple {
      return(@values);
  }
+ sub ask_for_embedded_content {
+     my ($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
- Line 4785  sub get_env_multiple {
+ Line 8296  sub get_env_multiple {
  =over 4
- =item * upfile_store($r)
+ =item * &upfile_store($r)
  Store uploaded file, $r should be the HTTP Request object,
  needs $env{'form.upfile'}
- Line 4815  sub upfile_store {
+ Line 8326  sub upfile_store {
  =pod
- =item * load_tmp_file($r)
+ =item * &load_tmp_file($r)
  Load uploaded file from tmp, $r should be the HTTP Request object,
  needs $env{'form.datatoken'},
- Line 4839  sub load_tmp_file {
+ Line 8350  sub load_tmp_file {
  =pod
- =item * upfile_record_sep()
+ =item * &upfile_record_sep()
  Separate uploaded file into records
  returns array of records,
- Line 4861  sub upfile_record_sep {
+ Line 8372  sub upfile_record_sep {
  =pod
- =item * record_sep($record)
+ =item * &record_sep($record)
  Separate a record into fields $record should be an item from the upfile_record_sep(), needs $env{'form.upfiletype'}
- Line 4893  sub record_sep {
+ Line 8404  sub record_sep {
              $i++;
          }
      } else {
-         my @allfields=split(/\,/,$record);
+         my $separator=',';
+         if ($env{'form.upfiletype'} eq 'semisv') {
+             $separator=';';
+         }
          my $i=0;
-         my $j;
+ # the character we are looking for to indicate the end of a quote or a record
-         for ($j=0;$j<=$#allfields;$j++) {
+         my $looking_for=$separator;
-             my $field=$allfields[$j];
+ # do not add the characters to the fields
-             if ($field=~/^\s*(\"|\')/) {
+         my $ignore=0;
- 		my $delimiter=$1;
+ # we just encountered a separator (or the beginning of the record)
-                 while (($field!~/$delimiter$/) && ($j<$#allfields)) {
+         my $just_found_separator=1;
- 		    $j++;
+ # store the field we are working on here
- 		    $field.=','.$allfields[$j];
+         my $field='';
- 		}
+ # work our way through all characters in record
-                 $field=~s/^\s*$delimiter//;
+         foreach my $character ($record=~/(.)/g) {
-                 $field=~s/$delimiter\s*$//;
+             if ($character eq $looking_for) {
-             }
+                if ($character ne $separator) {
-             $components{&takeleft($i)}=$field;
+ # Found the end of a quote, again looking for separator
- 	    $i++;
+                   $looking_for=$separator;
+                   $ignore=1;
+                } else {
+ # Found a separator, store away what we got
+                   $components{&takeleft($i)}=$field;
+ 	          $i++;
+                   $just_found_separator=1;
+                   $ignore=0;
+                   $field='';
+                }
+                next;
+             }
+ # single or double quotation marks after a separator indicate beginning of a quote
+ # we are now looking for the end of the quote and need to ignore separators
+             if ((($character eq '"') || ($character eq "'")) && ($just_found_separator))  {
+                $looking_for=$character;
+                next;
+             }
+ # ignore would be true after we reached the end of a quote
+             if ($ignore) { next; }
+             if (($just_found_separator) && ($character=~/\s/)) { next; }
+             $field.=$character;
+             $just_found_separator=0;
          }
+ # catch the very last entry, since we never encountered the separator
+         $components{&takeleft($i)}=$field;
      }
      return %components;
  }
- Line 4919  sub record_sep {
+ Line 8457  sub record_sep {
  =pod
- =item * upfile_select_html()
+ =item * &upfile_select_html()
  Return HTML code to select a file from the users machine and specify
  the file type.
- Line 4931  the file type.
+ Line 8469  the file type.
  sub upfile_select_html {
      my %Types = (
                   csv   => &mt('CSV (comma separated values, spreadsheet)'),
+                  semisv => &mt('Semicolon separated values'),
                   space => &mt('Space separated'),
                   tab   => &mt('Tabulator separated'),
  #                 xml   => &mt('HTML/XML'),
                   );
      my $Str = '<input type="file" name="upfile" size="50" />'.
-         '<br />Type: <select name="upfiletype">';
+         '<br />'.&mt('Type').': <select name="upfiletype">';
      foreach my $type (sort(keys(%Types))) {
          $Str .= '<option value="'.$type.'" >'.$Types{$type}."</option>\n";
      }
- Line 4965  sub get_samples {
+ Line 8504  sub get_samples {
  =pod
- =item * csv_print_samples($r,$records)
+ =item * &csv_print_samples($r,$records)
  Prints a table of sample values from each column uploaded $r is an
  Apache Request ref, $records is an arrayref from
- Line 4977  Apache Request ref, $records is an array
+ Line 8516  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 /><table border="2"><tr>');
+     $r->print(&mt('Samples').'<br />'.&start_data_table().
+               &start_data_table_header_row());
      foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
          $r->print('<th>'.&mt('Column&nbsp;[_1]',($sample+1)).'</th>'); }
-     $r->print('</tr>');
+     $r->print(&end_data_table_header_row());
      foreach my $hash (@$samples) {
- 	$r->print('<tr>');
+ 	$r->print(&start_data_table_row());
  	foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
  	    $r->print('<td>');
  	    if (defined($$hash{$sample})) { $r->print($$hash{$sample}); }
  	    $r->print('</td>');
  	}
- 	$r->print('</tr>');
+ 	$r->print(&end_data_table_row());
      }
-     $r->print('</tr></table><br />'."\n");
+     $r->print(&end_data_table().'<br />'."\n");
  }
  ######################################################
- Line 5000  sub csv_print_samples {
+ Line 8540  sub csv_print_samples {
  =pod
- =item * csv_print_select_table($r,$records,$d)
+ =item * &csv_print_select_table($r,$records,$d)
  Prints a table to create associations between values and table columns.
- Line 5017  sub csv_print_select_table {
+ Line 8557  sub csv_print_select_table {
      my $i=0;
      my $samples = &get_samples($records,1);
      $r->print(&mt('Associate columns with student attributes.')."\n".
- 	     '<table border="2"><tr>'.
+ 	      &start_data_table().&start_data_table_header_row().
                '<th>'.&mt('Attribute').'</th>'.
-               '<th>'.&mt('Column').'</th></tr>'."\n");
+               '<th>'.&mt('Column').'</th>'.
+               &end_data_table_header_row()."\n");
      foreach my $array_ref (@$d) {
  	my ($value,$display,$defaultcol)=@{ $array_ref };
- 	$r->print('<tr><td>'.$display.'</td>');
+ 	$r->print(&start_data_table_row().'<td>'.$display.'</td>');
  	$r->print('<td><select name=f'.$i.
  		  ' onchange="javascript:flip(this.form,'.$i.');">');
- Line 5030  sub csv_print_select_table {
+ Line 8571  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></tr>'."\n");
+ 	$r->print('</select></td>'.&end_data_table_row()."\n");
  	$i++;
      }
+     $r->print(&end_data_table());
      $i--;
      return $i;
  }
- Line 5044  sub csv_print_select_table {
+ Line 8586  sub csv_print_select_table {
  =pod
- =item * csv_samples_select_table($r,$records,$d)
+ =item * &csv_samples_select_table($r,$records,$d)
  Prints a table of sample values from the upload and can make associate samples to internal names.
- Line 5060  sub csv_samples_select_table {
+ Line 8602  sub csv_samples_select_table {
      my ($r,$records,$d) = @_;
      my $i=0;
      #
-     my $samples = &get_samples($records,3);
+     my $max_samples = 5;
-     $r->print('<table border=2><tr><th>'.
+     my $samples = &get_samples($records,$max_samples);
-               &mt('Field').'</th><th>'.&mt('Samples').'</th></tr>');
+     $r->print(&start_data_table().
+               &start_data_table_header_row().'<th>'.
+               &mt('Field').'</th><th>'.&mt('Samples').'</th>'.
+               &end_data_table_header_row());
      foreach my $key (sort(keys(%{ $samples->[0] }))) {
- 	$r->print('<tr><td><select name="f'.$i.'"'.
+ 	$r->print(&start_data_table_row().'<td><select name="f'.$i.'"'.
  		  ' onchange="javascript:flip(this.form,'.$i.');">');
  	foreach my $option (@$d) {
  	    my ($value,$display,$defaultcol)=@{ $option };
- Line 5074  sub csv_samples_select_table {
+ Line 8619  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");
  	    }
  	}
- 	$r->print('</td></tr>');
+ 	$r->print('</td>'.&end_data_table_row());
  	$i++;
      }
+     $r->print(&end_data_table());
      $i--;
      return($i);
  }
- Line 5091  sub csv_samples_select_table {
+ Line 8637  sub csv_samples_select_table {
  =pod
- =item clean_excel_name($name)
+ =item * &clean_excel_name($name)
  Returns a replacement for $name which does not contain any illegal characters.
- Line 5110  sub clean_excel_name {
+ Line 8656  sub clean_excel_name {
  =pod
- =item * check_if_partid_hidden($id,$symb,$udom,$uname)
+ =item * &check_if_partid_hidden($id,$symb,$udom,$uname)
  Returns either 1 or undef
- Line 5151  sub check_if_partid_hidden {
+ Line 8697  sub check_if_partid_hidden {
  =over 4
- =item get_cgi_id
+ =item * &get_cgi_id()
  Inputs: none
- Line 5175  sub get_cgi_id {
+ Line 8721  sub get_cgi_id {
  =pod
- =item DrawBarGraph
+ =item * &DrawBarGraph()
  Facilitates the plotting of data in a (stacked) bar graph.
  Puts plot definition data into the users environment in order for
- Line 5310  sub DrawBarGraph {
+ Line 8856  sub DrawBarGraph {
          $ValuesHash{$id.'.'.$key} = $value;
      }
      #
-     &Apache::lonnet::appenv(%ValuesHash);
+     &Apache::lonnet::appenv(\%ValuesHash);
      return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
  }
- Line 5319  sub DrawBarGraph {
+ Line 8865  sub DrawBarGraph {
  =pod
- =item DrawXYGraph
+ =item * &DrawXYGraph()
  Facilitates the plotting of data in an XY graph.
  Puts plot definition data into the users environment in order for
- Line 5400  sub DrawXYGraph {
+ Line 8946  sub DrawXYGraph {
          $ValuesHash{$id.'.'.$key} = $value;
      }
      #
-     &Apache::lonnet::appenv(%ValuesHash);
+     &Apache::lonnet::appenv(\%ValuesHash);
      return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
  }
- Line 5409  sub DrawXYGraph {
+ Line 8955  sub DrawXYGraph {
  =pod
- =item DrawXYYGraph
+ =item * &DrawXYYGraph()
  Facilitates the plotting of data in an XY graph with two Y axes.
  Puts plot definition data into the users environment in order for
- Line 5502  sub DrawXYYGraph {
+ Line 9048  sub DrawXYYGraph {
          $ValuesHash{$id.'.'.$key} = $value;
      }
      #
-     &Apache::lonnet::appenv(%ValuesHash);
+     &Apache::lonnet::appenv(\%ValuesHash);
      return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
  }
- Line 5519  Bad place for them but what the hell.
+ Line 9065  Bad place for them but what the hell.
  =over 4
- =item &chartlink
+ =item * &chartlink()
  Returns a link to the chart for a specific student.
- Line 5558  sub chartlink {
+ Line 9104  sub chartlink {
  =over 4
- =item &restore_course_settings
+ =item * &restore_course_settings()
- =item &store_course_settings
+ =item * &store_course_settings()
  Restores/Store indicated form parameters from the course environment.
  Will not overwrite existing values of the form parameters.
- Line 5580  a hash ref describing the data to be sto
+ Line 9126  a hash ref describing the data to be sto
  Returns: both routines return nothing
+ =back
  =cut
  #######################################################
  #######################################################
  sub store_course_settings {
+     return &store_settings($env{'request.course.id'},@_);
+ }
+ sub store_settings {
      # save to the environment
      # appenv the same items, just to be safe
-     my $courseid = $env{'request.course.id'};
      my $udom  = $env{'user.domain'};
      my $uname = $env{'user.name'};
-     my ($prefix,$Settings) = @_;
+     my ($context,$prefix,$Settings) = @_;
      my %SaveHash;
      my %AppHash;
      while (my ($setting,$type) = each(%$Settings)) {
-         my $basename = join('.','internal',$courseid,$prefix,$setting);
+         my $basename = join('.','internal',$context,$prefix,$setting);
          my $envname = 'environment.'.$basename;
          if (exists($env{'form.'.$setting})) {
              # Save this value away
- Line 5629  sub store_course_settings {
+ Line 9180  sub store_course_settings {
                                   'got error:'.$put_result);
      }
      # Make sure these settings stick around in this session, too
-     &Apache::lonnet::appenv(%AppHash);
+     &Apache::lonnet::appenv(\%AppHash);
      return;
  }
  sub restore_course_settings {
-     my $courseid = $env{'request.course.id'};
+     return &restore_settings($env{'request.course.id'},@_);
-     my ($prefix,$Settings) = @_;
+ }
+ sub restore_settings {
+     my ($context,$prefix,$Settings) = @_;
      while (my ($setting,$type) = each(%$Settings)) {
          next if (exists($env{'form.'.$setting}));
-         my $envname = 'environment.internal.'.$courseid.'.'.$prefix.
+         my $envname = 'environment.internal.'.$context.'.'.$prefix.
              '.'.$setting;
          if (exists($env{$envname})) {
              if ($type eq 'scalar') {
- Line 5654  sub restore_course_settings {
+ Line 9208  sub restore_course_settings {
      }
  }
+ #######################################################
+ #######################################################
+ =pod
+ =head1 Domain E-mail Routines
+ =over 4
+ =item * &build_recipient_list()
+ Build recipient lists for four types of e-mail:
+ (a) Error Reports, (b) Package Updates, (c) lonstatus warnings/errors
+ (d) Help requests, generated by
+ lonerrorhandler.pm, CHECKRPMS, loncron, and lonsupportreq.pm respectively.
+ Inputs:
+ defmail (scalar - email address of default recipient),
+ mailing type (scalar - errormail, packagesmail, or helpdeskmail),
+ defdom (domain for which to retrieve configuration settings),
+ origmail (scalar - email address of recipient from loncapa.conf,
+ i.e., predates configuration by DC via domainprefs.pm
+ Returns: comma separated list of addresses to which to send e-mail.
+ =back
+ =cut
  ############################################################
  ############################################################
+ sub build_recipient_list {
+     my ($defmail,$mailing,$defdom,$origmail) = @_;
+     my @recipients;
+     my $otheremails;
+     my %domconfig =
+          &Apache::lonnet::get_dom('configuration',['contacts'],$defdom);
+     if (ref($domconfig{'contacts'}) eq 'HASH') {
+         if (exists($domconfig{'contacts'}{$mailing})) {
+             if (ref($domconfig{'contacts'}{$mailing}) eq 'HASH') {
+                 my @contacts = ('adminemail','supportemail');
+                 foreach my $item (@contacts) {
+                     if ($domconfig{'contacts'}{$mailing}{$item}) {
+                         my $addr = $domconfig{'contacts'}{$item};
+                         if (!grep(/^\Q$addr\E$/,@recipients)) {
+                             push(@recipients,$addr);
+                         }
+                     }
+                     $otheremails = $domconfig{'contacts'}{$mailing}{'others'};
+                 }
+             }
+         } elsif ($origmail ne '') {
+             push(@recipients,$origmail);
+         }
+     } elsif ($origmail ne '') {
+         push(@recipients,$origmail);
+     }
+     if (defined($defmail)) {
+         if ($defmail ne '') {
+             push(@recipients,$defmail);
+         }
+     }
+     if ($otheremails) {
+         my @others;
+         if ($otheremails =~ /,/) {
+             @others = split(/,/,$otheremails);
+         } else {
+             push(@others,$otheremails);
+         }
+         foreach my $addr (@others) {
+             if (!grep(/^\Q$addr\E$/,@recipients)) {
+                 push(@recipients,$addr);
+             }
+         }
+     }
+     my $recipientlist = join(',',@recipients);
+     return $recipientlist;
+ }
+ ############################################################
+ ############################################################
+ =pod
+ =head1 Course Catalog Routines
+ =over 4
+ =item * &gather_categories()
+ Converts category definitions - keys of categories hash stored in
+ coursecategories in configuration.db on the primary library server in a
+ domain - to an array.  Also generates javascript and idx hash used to
+ 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).
+ Returns: nothing
+ Side effects: populates cats, idx and jsarray.
+ =cut
+ sub gather_categories {
+     my ($categories,$cats,$idx,$jsarray) = @_;
+     my %counters;
+     my $num = 0;
+     foreach my $item (keys(%{$categories})) {
+         my ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$item);
+         if ($container eq '' && $depth == 0) {
+             $cats->[$depth][$categories->{$item}] = $cat;
+         } else {
+             $cats->[$depth]{$container}[$categories->{$item}] = $cat;
+         }
+         my ($escitem,$tail) = split(/:/,$item,2);
+         if ($counters{$tail} eq '') {
+             $counters{$tail} = $num;
+             $num ++;
+         }
+         if (ref($idx) eq 'HASH') {
+             $idx->{$item} = $counters{$tail};
+         }
+         if (ref($jsarray) eq 'ARRAY') {
+             push(@{$jsarray->[$counters{$tail}]},$item);
+         }
+     }
+     return;
+ }
+ =pod
+ =item * &extract_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.
+ =cut
+ sub extract_categories {
+     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') {
+             for (my $i=0; $i<@{$cats->[0]}; $i++) {
+                 my $name = $cats->[0][$i];
+                 my $item = &escape($name).'::0';
+                 my $trailstr;
+                 if ($name eq 'instcode') {
+                     $trailstr = &mt('Official courses (with institutional codes)');
+                 } else {
+                     $trailstr = $name;
+                 }
+                 if ($allitems->{$item} eq '') {
+                     push(@{$trails},$trailstr);
+                     $allitems->{$item} = scalar(@{$trails})-1;
+                 }
+                 my @parents = ($name);
+                 if (ref($cats->[1]{$name}) eq 'ARRAY') {
+                     for (my $j=0; $j<@{$cats->[1]{$name}}; $j++) {
+                         my $category = $cats->[1]{$name}[$j];
+                         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} = [];
+                     }
+                 }
+             }
+         }
+     }
+     return;
+ }
+ =pod
+ =item *&recurse_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 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).
+ Returns: nothing
+ Side effects: populates trails and allitems hash references
+ =cut
+ sub recurse_categories {
+     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++) {
+             my $name = $cats->[$depth]{$category}[$k];
+             my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower;
+             my $trailstr = join(' -&gt; ',(@{$parents},$category));
+             if ($allitems->{$item} eq '') {
+                 push(@{$trails},$trailstr);
+                 $allitems->{$item} = scalar(@{$trails})-1;
+             }
+             my $deeper = $depth+1;
+             push(@{$parents},$category);
+             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 {
+         my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower;
+         my $trailstr = join(' -&gt; ',(@{$parents},$category));
+         if ($allitems->{$item} eq '') {
+             push(@{$trails},$trailstr);
+             $allitems->{$item} = scalar(@{$trails})-1;
+         }
+     }
+     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.
+     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;
  }
  sub commit_standardrole {
-     my ($udom,$uname,$url,$three,$start,$end,$one,$two,$sec) = @_;
+     my ($udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
-     my $output;
+     my ($output,$logmsg,$linefeed);
-     my $logmsg;
+     if ($context eq 'auto') {
+         $linefeed = "\n";
+     } else {
+         $linefeed = "<br />\n";
+     }
      if ($three eq 'st') {
-         my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec);
+         my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$three,$start,$end,
-         if (($result =~ /^error/) || ($result eq 'not_in_class') || ($result eq 'unknown_course')) {
+                                          $one,$two,$sec,$context);
-             $output = "Error: $result\n";
+         if (($result =~ /^error/) || ($result eq 'not_in_class') ||
+             ($result eq 'unknown_course') || ($result eq 'refused')) {
+             $output = $logmsg.' '.&mt('Error: ').$result."\n";
          } else {
-             $output = &mt('Assigning').' '.$three.' in '.$url.
+             $output = $logmsg.$linefeed.&mt('Assigning').' '.$three.' in '.$url.
                 ($start?', '.&mt('starting').' '.localtime($start):'').
-                ($end?', '.&mt('ending').' '.localtime($end):'').
+                ($end?', '.&mt('ending').' '.localtime($end):'').': ';
-                ': <b>'.$result.'</b><br />'.
+             if ($context eq 'auto') {
-                &mt('Add to classlist').': <b>ok</b><br />';
+                 $output .= $result.$linefeed.&mt('Add to classlist').': ok';
+             } else {
+                $output .= '<b>'.$result.'</b>'.$linefeed.
+                &mt('Add to classlist').': <b>ok</b>';
+             }
+             $output .= $linefeed;
          }
      } else {
          $output = &mt('Assigning').' '.$three.' in '.$url.
                 ($start?', '.&mt('starting').' '.localtime($start):'').
-                ($end?', '.&mt('ending').' '.localtime($end):'').': <b>'.
+                ($end?', '.&mt('ending').' '.localtime($end):'').': ';
-                &Apache::lonnet::assignrole(
+         my $result = &Apache::lonnet::assignrole($udom,$uname,$url,$three,$end,$start,'','',$context);
-                    $udom,$uname,$url,$three,$end,$start).
+         if ($context eq 'auto') {
-                    '</b><br />';
+             $output .= $result.$linefeed;
+         } else {
+             $output .= '<b>'.$result.'</b>'.$linefeed;
+         }
      }
      return $output;
  }
  sub commit_studentrole {
-     my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec) = @_;
+     my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
-     my $linefeed =  '<br />'."\n";
+     my ($result,$linefeed,$oldsecurl,$newsecurl);
-     my $result;
+     if ($context eq 'auto') {
+         $linefeed = "\n";
+     } else {
+         $linefeed = '<br />'."\n";
+     }
      if (defined($one) && defined($two)) {
          my $cid=$one.'_'.$two;
          my $oldsec=&Apache::lonnet::getsection($udom,$uname,$cid);
          my $secchange = 0;
          my $expire_role_result;
          my $modify_section_result;
-         unless ($oldsec eq '-1') {
+         if ($oldsec ne '-1') {
-             unless ($sec eq $oldsec) {
+             if ($oldsec ne $sec) {
                  $secchange = 1;
+                 my $now = time;
                  my $uurl='/'.$cid;
                  $uurl=~s/\_/\//g;
                  if ($oldsec) {
                      $uurl.='/'.$oldsec;
                  }
-                 $expire_role_result = &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',time);
+                 $oldsecurl = $uurl;
+                 $expire_role_result =
+                     &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',$now,'','',$context);
+                 if ($env{'request.course.sec'} ne '') {
+                     if ($expire_role_result eq 'refused') {
+                         my @roles = ('st');
+                         my @statuses = ('previous');
+                         my @roledoms = ($one);
+                         my $withsec = 1;
+                         my %roleshash =
+                             &Apache::lonnet::get_my_roles($uname,$udom,'userroles',
+                                               \@statuses,\@roles,\@roledoms,$withsec);
+                         if (defined ($roleshash{$two.':'.$one.':st:'.$oldsec})) {
+                             my ($oldstart,$oldend) =
+                                 split(':',$roleshash{$two.':'.$one.':st:'.$oldsec});
+                             if ($oldend > 0 && $oldend <= $now) {
+                                 $expire_role_result = 'ok';
+                             }
+                         }
+                     }
+                 }
                  $result = $expire_role_result;
              }
          }
          if (($expire_role_result eq 'ok') || ($secchange == 0)) {
-             $modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid);
+             $modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid,'',$context);
              if ($modify_section_result =~ /^ok/) {
                  if ($secchange == 1) {
-                     $$logmsg .= "Section for $uname switched from old section: $oldsec to new section: $sec".$linefeed;
+                     if ($sec eq '') {
+                         $$logmsg .= &mt('Section for [_1] switched from (possibly expired) old section: [_2] to student role without a section.',$uname,$oldsec).$linefeed;
+                     } else {
+                         $$logmsg .= &mt('Section for [_1] switched from (possibly expired) old section: [_2] to new section: [_3].',$uname,$oldsec,$sec).$linefeed;
+                     }
                  } elsif ($oldsec eq '-1') {
-                     $$logmsg .= "New student role for $uname in section $sec in course $cid".$linefeed;
+                     if ($sec eq '') {
+                         $$logmsg .= &mt('New student role without a section for [_1] in course [_2].',$uname,$cid).$linefeed;
+                     } else {
+                         $$logmsg .= &mt('New student role for [_1] in section [_2] in course [_3].',$uname,$sec,$cid).$linefeed;
+                     }
                  } else {
-                     $$logmsg .= "Student $uname assigned to unchanged section $sec in course $cid".$linefeed;
+                     if ($sec eq '') {
+                         $$logmsg .= &mt('Student [_1] assigned to course [_2] without a section.',$uname,$cid).$linefeed;
+                     } else {
+                         $$logmsg .= &mt('Student [_1] assigned to section [_2] in course [_3].',$uname,$sec,$cid).$linefeed;
+                     }
                  }
              } else {
-                 $$logmsg .= "Error when attempting section change for $uname from old section $oldsec to new section: $sec in course $cid -error: $modify_section_result".$linefeed;
+                 if ($secchange) {
+                     $$logmsg .= &mt('Error when attempting section change for [_1] from old section "[_2]" to new section: "[_3]" in course [_4] -error:',$uname,$oldsec,$sec,$cid).' '.$modify_section_result.$linefeed;
+                 } else {
+                     $$logmsg .= &mt('Error when attempting to modify role for [_1] for section: "[_2]" in course [_3] -error:',$uname,$sec,$cid).' '.$modify_section_result.$linefeed;
+                 }
              }
              $result = $modify_section_result;
          } elsif ($secchange == 1) {
-             $$logmsg .= "Error when attempting to expire role for $uname in old section $oldsec in course $cid -error: $expire_role_result".$linefeed;
+             if ($oldsec eq '') {
+                 $$logmsg .= &mt('Error when attempting to expire existing role without a section for [_1] in course [_3] -error: ',$uname,$cid).' '.$expire_role_result.$linefeed;
+             } else {
+                 $$logmsg .= &mt('Error when attempting to expire existing role for [_1] in section [_2] in course [_3] -error: ',$uname,$oldsec,$cid).' '.$expire_role_result.$linefeed;
+             }
+             if ($expire_role_result eq 'refused') {
+                 my $newsecurl = '/'.$cid;
+                 $newsecurl =~ s/\_/\//g;
+                 if ($sec ne '') {
+                     $newsecurl.='/'.$sec;
+                 }
+                 if (&Apache::lonnet::allowed('cst',$newsecurl) && !(&Apache::lonnet::allowed('cst',$oldsecurl))) {
+                     if ($sec eq '') {
+                         $$logmsg .= &mt('Although your current role has privileges to add students to section "[_1]", you do not have privileges to modify existing enrollments unaffiliated with any section.',$sec).$linefeed;
+                     } else {
+                         $$logmsg .= &mt('Although your current role has privileges to add students to section "[_1]", you do not have privileges to modify existing enrollments in other sections.',$sec).$linefeed;
+                     }
+                 }
+             }
          }
      } else {
-         $$logmsg .= "Incomplete course id defined.  Addition of user $uname from domain $udom to course $one\_$two, section $sec not completed.$linefeed";
+         $$logmsg .= &mt('Incomplete course id defined.').$linefeed.&mt('Addition of user [_1] from domain [_2] to course [_3], section [_4] not completed.',$uname,$udom,$one.'_'.$two,$sec).$linefeed;
          $result = "error: incomplete course id\n";
      }
      return $result;
- Line 5743  sub commit_studentrole {
+ Line 9783  sub commit_studentrole {
  ############################################################
  ############################################################
+ sub check_clone {
+     my ($args,$linefeed) = @_;
+     my $cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'};
+     my ($clonecrsudom,$clonecrsunum)= &LONCAPA::split_courseid($cloneid);
+     my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
+     my $clonemsg;
+     my $can_clone = 0;
+     if ($clonehome eq 'no_host') {
+         $clonemsg = &mt('No new course created.').$linefeed.&mt('A new course could not be cloned from the specified original - [_1] - because it is a non-existent course.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});
+     } else {
+ 	my %clonedesc = &Apache::lonnet::coursedescription($cloneid,{'one_time' => 1});
+ 	if ($env{'request.role.domain'} eq $args->{'clonedomain'}) {
+ 	    $can_clone = 1;
+ 	} else {
+ 	    my %clonehash = &Apache::lonnet::get('environment',['cloners'],
+ 						 $args->{'clonedomain'},$args->{'clonecourse'});
+ 	    my @cloners = split(/,/,$clonehash{'cloners'});
+             if (grep(/^\*$/,@cloners)) {
+                 $can_clone = 1;
+             } elsif (grep(/^\*\:\Q$args->{'ccdomain'}\E$/,@cloners)) {
+                 $can_clone = 1;
+             } else {
+ 	        my %roleshash =
+ 		    &Apache::lonnet::get_my_roles($args->{'ccuname'},
+ 					 $args->{'ccdomain'},
+                                          'userroles',['active'],['cc'],
+ 					 [$args->{'clonedomain'}]);
+ 	        if (($roleshash{$args->{'clonecourse'}.':'.$args->{'clonedomain'}.':cc'}) || (grep(/^\Q$args->{'ccuname'}\E:\Q$args->{'ccdomain'}\E$/,@cloners))) {
+ 		    $can_clone = 1;
+ 	        } else {
+                     $clonemsg = &mt('No new course created.').$linefeed.&mt('The new course could not be cloned from the existing course because the new course owner ([_1]) does not have cloning rights in the existing course ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'});
+ 	        }
+ 	    }
+         }
+     }
+     return ($can_clone, $clonemsg, $cloneid, $clonehome);
+ }
  sub construct_course {
-     my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname) = @_;
+     my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context) = @_;
      my $outcome;
+     my $linefeed =  '<br />'."\n";
+     if ($context eq 'auto') {
+         $linefeed = "\n";
+     }
+ #
+ # Are we cloning?
+ #
+     my ($can_clone, $clonemsg, $cloneid, $clonehome);
+     if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) {
+ 	($can_clone, $clonemsg, $cloneid, $clonehome) = &check_clone($args,$linefeed);
+ 	if ($context ne 'auto') {
+             if ($clonemsg ne '') {
+ 	        $clonemsg = '<span class="LC_error">'.$clonemsg.'</span>';
+             }
+ 	}
+ 	$outcome .= $clonemsg.$linefeed;
+         if (!$can_clone) {
+ 	    return (0,$outcome);
+ 	}
+     }
  #
  # Open course
- Line 5766  sub construct_course {
+ Line 9867  sub construct_course {
      # Utils::Course. This needs to at least be output as a comment
      # if anyone ever decides to not show this, and Utils::Course::new
      # will need to be suitably modified.
-     $outcome .= &mt('New LON-CAPA [_1] ID: [_2]<br />',$crstype,$$courseid);
+     $outcome .= &mt('New LON-CAPA [_1] ID: [_2]',$crstype,$$courseid).$linefeed;
  #
  # Check if created correctly
  #
-     ($$crsudom,$$crsunum)=($$courseid=~/^\/(\w+)\/(\w+)$/);
+     ($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid);
      my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom);
-     $outcome .= &mt('Created on').': '.$crsuhome.'<br>';
+     $outcome .= &mt('Created on').': '.$crsuhome.$linefeed;
- #
- # Are we cloning?
  #
-     my $cloneid='';
+ # Do the cloning
-     if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) {
+ #
- 	$cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'};
+     if ($can_clone && $cloneid) {
-         my ($clonecrsudom,$clonecrsunum)=($cloneid=~/^\/(\w+)\/(\w+)$/);
+ 	$clonemsg = &mt('Cloning [_1] from [_2]',$crstype,$clonehome);
- 	my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
+ 	if ($context ne 'auto') {
- 	if ($clonehome eq 'no_host') {
+ 	    $clonemsg = '<span class="LC_success">'.$clonemsg.'</span>';
- 	    $outcome .=
+ 	}
-     '<br /><font color="red">'.&mt('Attempting to clone non-existing [_1]',$crstype).' '.$cloneid.'</font>';
+ 	$outcome .= $clonemsg.$linefeed;
- 	} else {
+ 	my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);
- 	    $outcome .=
-     '<br /><font color="green">'.&mt('Cloning [_1] from [_2]',$crstype,$clonehome).'</font>';
- 	    my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);
  # Copy all files
- 	    &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid);
+ 	&Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid,$args->{'datemode'},$args->{'dateshift'});
  # Restore URL
- 	    $cenv{'url'}=$oldcenv{'url'};
+ 	$cenv{'url'}=$oldcenv{'url'};
  # Restore title
- 	    $cenv{'description'}=$oldcenv{'description'};
+ 	$cenv{'description'}=$oldcenv{'description'};
- # restore grading mode
- 	    if (defined($oldcenv{'grading'})) {
- 		$cenv{'grading'}=$oldcenv{'grading'};
- 	    }
  # Mark as cloned
- 	    $cenv{'clonedfrom'}=$cloneid;
+ 	$cenv{'clonedfrom'}=$cloneid;
- 	    delete($cenv{'default_enrollment_start_date'});
+ # Need to clone grading mode
- 	    delete($cenv{'default_enrollment_end_date'});
+         my %newenv=&Apache::lonnet::get('environment',['grading'],$$crsudom,$$crsunum);
- 	}
+         $cenv{'grading'}=$newenv{'grading'};
+ # Do not clone these environment entries
+         &Apache::lonnet::del('environment',
+                   ['default_enrollment_start_date',
+                    'default_enrollment_end_date',
+                    'question.email',
+                    'policy.email',
+                    'comment.email',
+                    'pch.users.denied',
+                    'plc.users.denied',
+                    'hidefromcat',
+                    'categories'],
+                    $$crsudom,$$crsunum);
      }
  #
  # Set environment (will override cloned, if existing)
  #
- Line 5829  sub construct_course {
+ Line 9935  sub construct_course {
      } else {
          $cenv{'internal.courseowner'} = $args->{'curruser'};
      }
      my @badclasses = (); # Used to accumulate sections/crosslistings that did not pass classlist access check for course owner.
      if ($args->{'crssections'}) {
          $cenv{'internal.sectionnums'} = '';
- Line 5889  sub construct_course {
+ Line 9994  sub construct_course {
      }
      if ($args->{'notify_dc'}) {
          if ($uname ne '') {
-             push(@notified,$uname.'@'.$udom);
+             push(@notified,$uname.':'.$udom);
          }
      }
      if (@notified > 0) {
- Line 5907  sub construct_course {
+ Line 10012  sub construct_course {
                  'dnhr' => 'does not have rights to access enrollment in these classes',
                  'adby' => 'as determined by the policies of your institution on access to official classlists'
          );
-         $outcome .= '<font color="red">'.$lt{'tclb'}.' ('.$cenv{'internal.courseowner'}.') - '.$lt{'dnhr'}.' ('.$lt{'adby'}.').<br /><ul>'."\n";
+         my $badclass_msg = $cenv{'internal.courseowner'}.') - '.$lt{'dnhr'}.
-         foreach (@badclasses) {
+                            ' ('.$lt{'adby'}.')';
-             $outcome .= "<li>$_</li>\n";
+         if ($context eq 'auto') {
-         }
+             $outcome .= $badclass_msg.$linefeed;
-         $outcome .= "</ul><br /><br /></font>\n";
+             $outcome .= '<div class="LC_warning">'.$badclass_msg.$linefeed.'<ul>'."\n";
+             foreach my $item (@badclasses) {
+                 if ($context eq 'auto') {
+                     $outcome .= " - $item\n";
+                 } else {
+                     $outcome .= "<li>$item</li>\n";
+                 }
+             }
+             if ($context eq 'auto') {
+                 $outcome .= $linefeed;
+             } else {
+                 $outcome .= "</ul><br /><br /></div>\n";
+             }
+         }
      }
      if ($args->{'no_end_date'}) {
          $args->{'endaccess'} = 0;
- Line 5927  sub construct_course {
+ Line 10045  sub construct_course {
      $cenv{'internal.autharg'} = $args->{'autharg'};
      if ( ($cenv{'internal.authtype'} =~ /^krb/) && ($cenv{'internal.autoadds'} == 1)) {
          if (! defined($cenv{'internal.autharg'}) || $cenv{'internal.autharg'}  eq '') {
-             $outcome .= '<font color="red" size="+1">'.
+             my $krb_msg = &mt('As you did not include the default Kerberos domain to be used for authentication in this class, the institutional data used by the automated enrollment process must include the Kerberos domain for each new student');
-                       &mt('As you did not include the default Kerberos domain to be used for authentication in this class, the institutional data used by the automated enrollment process must include the Kerberos domain for each new student').'</font></p>';
+             if ($context eq 'auto') {
+                 $outcome .= $krb_msg;
+             } else {
+                 $outcome .= '<span class="LC_error">'.$krb_msg.'</span>';
+             }
+             $outcome .= $linefeed;
          }
      }
      if (($args->{'ccdomain'}) && ($args->{'ccuname'})) {
- Line 5952  sub construct_course {
+ Line 10075  sub construct_course {
  # if specified, key authority is not course, but user
  # only active if keyaccess is yes
      if ($args->{'keyauth'}) {
- 	$args->{'keyauth'}=~s/[^\w\@]//g;
+ 	my ($user,$domain) = split(':',$args->{'keyauth'});
- 	if ($args->{'keyauth'}) {
+ 	$user = &LONCAPA::clean_username($user);
- 	    $cenv{'keyauth'}=$args->{'keyauth'};
+ 	$domain = &LONCAPA::clean_username($domain);
+ 	if ($user ne '' && $domain ne '') {
+ 	    $cenv{'keyauth'}=$user.':'.$domain;
  	}
      }
- Line 5982  sub construct_course {
+ Line 10107  sub construct_course {
      # By default, use standard grading
      if (!defined($cenv{'grading'})) { $cenv{'grading'} = 'standard'; }
-     $outcome .= ('<br />'.&mt('Setting environment').': '.
+     $outcome .= $linefeed.&mt('Setting environment').': '.
-           &Apache::lonnet::put('environment',\%cenv,$$crsudom,$$crsunum).'<br>');
+           &Apache::lonnet::put('environment',\%cenv,$$crsudom,$$crsunum).$linefeed;
  #
  # Open all assignments
  #
- Line 5993  sub construct_course {
+ Line 10118  sub construct_course {
                             $storeunder.'.type' => 'date_start');
         $outcome .= &mt('Opening all assignments').': '.&Apache::lonnet::cput
-                  ('resourcedata',\%storecontent,$$crsudom,$$crsunum).'<br>';
+                  ('resourcedata',\%storecontent,$$crsudom,$$crsunum).$linefeed;
     }
  #
  # Set first page
- Line 6009  sub construct_course {
+ Line 10134  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';
          }
- Line 6020  sub construct_course {
+ Line 10145  sub construct_course {
  	(my $outtext,$errtext) = &LONCAPA::map::storemap($map,1);
  	if ($errtext) { $fatal=2; }
-         $outcome .= ($fatal?$errtext:'write ok').'<br />';
+         $outcome .= ($fatal?$errtext:'write ok').$linefeed;
      }
-     return $outcome;
+     return (1,$outcome);
  }
  ############################################################
- Line 6051  sub group_term {
+ Line 10177  sub group_term {
  sub icon {
      my ($file)=@_;
-     my $curfext = (split(/\./,$file))[-1];
+     my $curfext = lc((split(/\./,$file))[-1]);
      my $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/unknown.gif';
      my $embstyle = &Apache::loncommon::fileembstyle($curfext);
      if (!(!defined($embstyle) || $embstyle eq 'unk' || $embstyle eq 'hdn')) {
- Line 6066  sub icon {
+ Line 10192  sub icon {
  }
  sub lonhttpdurl {
+ #
+ # Had been used for "small fry" static images on separate port 8080.
+ # Modify here if lightweight http functionality desired again.
+ # Currently eliminated due to increasing firewall issues.
+ #
      my ($url)=@_;
-     my $lonhttpd_port=$Apache::lonnet::perlvar{'lonhttpdPort'};
+     return $url;
-     if (!defined($lonhttpd_port)) { $lonhttpd_port='8080'; }
-     return 'http://'.$ENV{'SERVER_NAME'}.':'.$lonhttpd_port.$url;
  }
  sub connection_aborted {
- Line 6147  sub init_user_environment {
+ Line 10276  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
- Line 6235  sub init_user_environment {
+ Line 10364  sub init_user_environment {
  	    }
  	}
+         foreach my $tool ('aboutme','blog','portfolio') {
+             $userenv{'availabletools.'.$tool} =
+                 &Apache::lonnet::usertools_access($username,$domain,$tool,'reload');
+         }
+         foreach my $crstype ('official','unofficial') {
+             $userenv{'canrequest.'.$crstype} =
+                 &Apache::lonnet::usertools_access($username,$domain,$crstype,
+                                                   'reload','requestcourses');
+         }
  	$env{'user.environment'} = "$lonids/$cookie.id";
  	if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id",
- Line 6247  sub init_user_environment {
+ Line 10387  sub init_user_environment {
  	    }
  	    untie(%disk_env);
  	} else {
- 	    &Apache::lonnet::logthis("<font color=\"blue\">WARNING: ".
+ 	    &Apache::lonnet::logthis("<span style=\"color:blue;\">WARNING: ".
- 			   'Could not create environment storage in lonauth: '.$!.'</font>');
+ 			   'Could not create environment storage in lonauth: '.$!.'</span>');
  	    return 'error: '.$!;
  	}
      }
- Line 6262  sub init_user_environment {
+ Line 10402  sub init_user_environment {
  sub _add_to_env {
      my ($idf,$env_data,$prefix) = @_;
-     while (my ($key,$value) = each(%$env_data)) {
+     if (ref($env_data) eq 'HASH') {
- 	$idf->{$prefix.$key} = $value;
+         while (my ($key,$value) = each(%$env_data)) {
- 	$env{$prefix.$key}   = $value;
+ 	    $idf->{$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-^https?\://($ENV{'SERVER_NAME'}|$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 ($symb,$delete_enc) = @_;
+     &Apache::lonenc::check_decrypt(\$symb);
+     my $enc = $env{'request.enc'};
+     if ($delete_enc) {
+         delete($env{'request.enc'});
+     }
+     return ($symb,$enc);
+ }
  =pod

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>

Removed from v.1.469
changed lines
	Added in v.1.806