loncom/interface/loncommon.pm - diff

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Diff for /loncom/interface/loncommon.pm between versions 1.649 and 1.692.4.12

-version 1.649, 2008/03/24 01:11:36
+version 1.692.4.12, 2009/08/14 08:37:53
  Line 61  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 qw(:DEFAULT :match);
+ use DateTime::TimeZone;
+ use DateTime::Locale::Catalog;
  # ---------------------------------------------- Designs
  use vars qw(%defaultdesign);
- Line 133  sub ssi_with_retries {
+ Line 136  sub ssi_with_retries {
      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 && ($retries > 0));
- Line 400  sub studentbrowser_javascript {
+ Line 406  sub studentbrowser_javascript {
           || ($env{'request.role'}=~/^(au|dc|su)/)
            ) { return ''; }
     return (<<'ENDSTDBRW');
- <script type="text/javascript" language="Javascript" >
+ <script type="text/javascript" language="Javascript">
+ // <![CDATA[
      var stdeditbrowser;
-     function openstdbrowser(formname,uname,udom,roleflag,ignorefilter) {
+     function openstdbrowser(formname,uname,udom,roleflag,ignorefilter,courseadvonly) {
          var url = '/adm/pickstudent?';
          var filter;
  	if (!ignorefilter) {
- Line 416  sub studentbrowser_javascript {
+ Line 423  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';
          stdeditbrowser = open(url,title,options,'1');
          stdeditbrowser.focus();
      }
+ // ]]>
  </script>
  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('.$callargs.');">'.
+               &mt('Select User').'</a></span>';
     }
     return '';
  }
+ sub authorbrowser_javascript {
+     return <<"ENDAUTHORBRW";
+ <script type="text/javascript">
+ // <![CDATA[
+ var stdeditbrowser;
+ function openauthorbrowser(formname,udom) {
+     var url = '/adm/pickauthor?';
+     url += 'form='+formname+'&roledom='+udom;
+     var title = 'Author_Browser';
+     var options = 'scrollbars=1,resizable=1,menubar=0';
+     options += ',width=700,height=600';
+     stdeditbrowser = open(url,title,options,'1');
+     stdeditbrowser.focus();
+ }
+ // ]]>
+ </script>
+ ENDAUTHORBRW
+ }
  sub coursebrowser_javascript {
      my ($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 $crs_or_grp_alert = &mt('Please select the type of LON-CAPA entity - Course or Community - for which you wish to add/modify a user role');
-    my $output = '
+     my $id_functions = &javascript_index_functions();
- <script type="text/javascript">
+     my $output = '
+ <script type="text/javascript" language="JavaScript">
+ // <![CDATA[
      var stdeditbrowser;'."\n";
-    $output .= <<"ENDSTDBRW";
+     $output .= <<"ENDSTDBRW";
      function opencrsbrowser(formname,uname,udom,desc,extra_element,multflag,crstype) {
          var url = '/adm/pickcourse?';
-         var domainfilter = '';
+         var domainfilter = getDomainFromSelectbox(formname,udom);
-         var formid = getFormIdByName(formname);
-         if (formid > -1) {
-             var domid = getIndexByName(formid,udom);
-             if (domid > -1) {
-                 if (document.forms[formid].elements[domid].type == 'select-one') {
-                     domainfilter=document.forms[formid].elements[domid].options[document.forms[formid].elements[domid].selectedIndex].value;
-                 }
-                 if (document.forms[formid].elements[domid].type == 'hidden') {
-                     domainfilter=document.forms[formid].elements[domid].value;
-                 }
-             }
-         }
          if (domainfilter != null) {
             if (domainfilter != '') {
                 url += 'domainfilter='+domainfilter+'&';
- Line 487  sub coursebrowser_javascript {
+ Line 514  sub coursebrowser_javascript {
                  }
              }
          }
+         if (formname == 'ccrs') {
+             var ownername = document.forms[formid].ccuname.value;
+             var ownerdom =  document.forms[formid].ccdomain.options[document.forms[formid].ccdomain.selectedIndex].value;
+             url += '&cloner='+ownername+':'+ownerdom;
+         }
          if (multflag !=null && multflag != '') {
              url += '&multiple='+multflag;
          }
-         if (crstype == 'Course/Group') {
+         if (crstype == 'Course/Community') {
              if (formname == 'cu') {
                  crstype = document.cu.crstype.options[document.cu.crstype.selectedIndex].value;
                  if (crstype == "") {
- Line 508  sub coursebrowser_javascript {
+ Line 540  sub coursebrowser_javascript {
          stdeditbrowser = open(url,title,options,'1');
          stdeditbrowser.focus();
      }
+ $id_functions
+ ENDSTDBRW
+     if ($sec_element ne '') {
+         $output .= &setsec_javascript($sec_element,$formname);
+     }
+     $output .= '
+ // ]]>
+ </script>';
+     return $output;
+ }
-     function getFormIdByName(formname) {
+ sub javascript_index_functions {
-         for (var i=0;i<document.forms.length;i++) {
+     return <<"ENDJS";
-             if (document.forms[i].name == formname) {
-                 return i;
+ function getFormIdByName(formname) {
-             }
+     for (var i=0;i<document.forms.length;i++) {
+         if (document.forms[i].name == formname) {
+             return i;
          }
-         return -1;
      }
+     return -1;
+ }
-     function getIndexByName(formid,item) {
+ function getIndexByName(formid,item) {
-         for (var i=0;i<document.forms[formid].elements.length;i++) {
+     for (var i=0;i<document.forms[formid].elements.length;i++) {
-             if (document.forms[formid].elements[i].name == item) {
+         if (document.forms[formid].elements[i].name == item) {
-                 return i;
+             return i;
+         }
+     }
+     return -1;
+ }
+ function getDomainFromSelectbox(formname,udom) {
+     var userdom;
+     var formid = getFormIdByName(formname);
+     if (formid > -1) {
+         var domid = getIndexByName(formid,udom);
+         if (domid > -1) {
+             if (document.forms[formid].elements[domid].type == 'select-one') {
+                 userdom=document.forms[formid].elements[domid].options[document.forms[formid].elements[domid].selectedIndex].value;
+             }
+             if (document.forms[formid].elements[domid].type == 'hidden') {
+                 userdom=document.forms[formid].elements[domid].value;
              }
          }
-         return -1;
      }
- ENDSTDBRW
+     return userdom;
-     if ($sec_element ne '') {
+ }
-         $output .= &setsec_javascript($sec_element,$formname);
+ ENDJS
+ }
+ sub userbrowser_javascript {
+     my $id_functions = &javascript_index_functions();
+     return <<"ENDUSERBRW";
+ function openuserbrowser(formname,uname,udom,ulast,ufirst,uemail,hideudom,crsdom) {
+     var url = '/adm/pickuser?';
+     var userdom = getDomainFromSelectbox(formname,udom);
+     if (userdom != null) {
+        if (userdom != '') {
+            url += 'srchdom='+userdom+'&';
+        }
      }
-     $output .= '
+     url += 'form=' + formname + '&unameelement='+uname+
- </script>';
+                                 '&udomelement='+udom+
-     return $output;
+                                 '&ulastelement='+ulast+
+                                 '&ufirstelement='+ufirst+
+                                 '&uemailelement='+uemail+
+                                 '&hideudomelement='+hideudom+
+                                 '&coursedom='+crsdom;
+     var title = 'User_Browser';
+     var options = 'scrollbars=1,resizable=1,menubar=0';
+     options += ',width=700,height=600';
+     var stdeditbrowser = open(url,title,options,'1');
+     stdeditbrowser.focus();
+ }
+ function fix_domain (formname,udom,origdom) {
+     var formid = getFormIdByName(formname);
+     if (formid > -1) {
+         var domid = getIndexByName(formid,udom);
+         var hidedomid = getIndexByName(formid,origdom);
+         if (hidedomid > -1) {
+             var fixeddom = document.forms[formid].elements[hidedomid].value;
+             if (domid > -1) {
+                 var slct = document.forms[formid].elements[domid];
+                 if (slct.type == 'select-one') {
+                     var i;
+                     for (i=0;i<slct.length;i++) {
+                         if (slct.options[i].value==fixeddom) { slct.selectedIndex=i; }
+                     }
+                 }
+                 if (slct.type == 'hidden') {
+                     slct.value = fixeddom;
+                 }
+             }
+         }
+     }
+     return;
+ }
+ $id_functions
+ ENDUSERBRW
  }
  sub setsec_javascript {
      my ($sec_element,$formname) = @_;
      my $setsections = qq|
- Line 577  function setSect(sectionlist) {
+ Line 690  function setSect(sectionlist) {
  sub selectcourse_link {
     my ($form,$unameele,$udomele,$desc,$extra_element,$multflag,$selecttype)=@_;
-    return "<a href='".'javascript:opencrsbrowser("'.$form.'","'.$unameele.
+    my $linktext = &mt('Select Course');
-         '","'.$udomele.'","'.$desc.'","'.$extra_element.'","'.$multflag.'","'.$selecttype.'");'."'>".&mt('Select Course')."</a>";
+    if ($selecttype eq 'Community') {
+        $linktext = &mt('Select Community');
+    }
+    return '<span class="LC_nobreak">'
+          ."<a href='"
+          .'javascript:opencrsbrowser("'.$form.'","'.$unameele
+          .'","'.$udomele.'","'.$desc.'","'.$extra_element
+          .'","'.$multflag.'","'.$selecttype.'");'
+          ."'>".$linktext.'</a>'
+          .'</span>';
+ }
+ sub selectauthor_link {
+    my ($form,$udom)=@_;
+    return '<a href="javascript:openauthorbrowser('."'$form','$udom'".');">'.
+           &mt('Select Author').'</a>';
+ }
+ sub selectuser_link {
+     my ($form,$unameelem,$domelem,$lastelem,$firstelem,$emailelem,$hdomelem,
+         $coursedom,$linktext) = @_;
+     return '<a href="javascript:openuserbrowser('."'$form','$unameelem','$domelem',".
+            "'$lastelem','$firstelem','$emailelem','$hdomelem','$coursedom'".
+            ');">'.$linktext.'</a>';
  }
  sub check_uncheck_jscript {
- Line 606  ENDSCRT
+ Line 742  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
- Line 693  sub linked_select_forms {
+ Line 916  sub linked_select_forms {
      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.="// <![CDATA[\n";
      $result.="var select2data = new Object();\n";
      $" = '","';
      my $debug = '';
- Line 739  function select1_changed() {
+ Line 963  function select1_changed() {
          }
      }
  }
+ // ]]>
  </script>
  END
      # output the initial values for the selection lists
- Line 823  sub help_open_topic {
+ Line 1048  sub help_open_topic {
      if ($text ne "") {
  	$template .=
              "<table bgcolor='#3333AA' cellspacing='1' cellpadding='1' border='0'><tr>".
-             "<td bgcolor='#5555FF'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
+             "<td bgcolor='#5555FF'><span class=\"LC_nobreak\"><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
      }
      # Add the graphic
      my $title = &mt('Online Help');
-     my $helpicon=&lonhttpdurl("/res/adm/pages/help.png");
+     my $helpicon=&lonhttpdurl("/adm/help/help.png");
-     $template .= <<"ENDTEMPLATE";
+     $template .= '<a target="_top" href="'.$link.'" title="'.$title.'">'.
-  <a target="_top" href="$link" title="$title"><img src="$helpicon" border="0" alt="(Help: $topic)" /></a>
+                  '<img src="'.$helpicon.'" border="0" alt="'.&mt('Help: [_1]',$topic).
- ENDTEMPLATE
+                  '" title="'.$title.'" /></a>';
-     if ($text ne '') { $template.='</td></tr></table>' };
+     if ($text ne '') {
+         $template.='</span></td></tr></table>';
+     }
      return $template;
  }
- Line 840  ENDTEMPLATE
+ Line 1067  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,
+ 	$addOther = &Apache::loncommon::help_open_topic($topic,$text,
  						       undef, undef, 600) .
  							   '</td><td>';
      }
-     return '<table><tr><td>'.
+     $out = '<table><tr><td>'.
- 	$addOther .
+            $addOther .
- 	&Apache::loncommon::help_open_topic("Greek_Symbols",&mt('Greek Symbols'),
+            &Apache::loncommon::help_open_topic("Greek_Symbols",&mt('Greek Symbols'),
- 					    undef,undef,600)
+                                                undef,undef,600).
- 	.'</td><td>'.
+            '</td><td>'.
- 	&Apache::loncommon::help_open_topic("Other_Symbols",&mt('Other Symbols'),
+            &Apache::loncommon::help_open_topic("Other_Symbols",&mt('Other Symbols'),
- 					    undef,undef,600)
+                                                undef,undef,600).
- 	.'</td></tr></table>';
+            '</td>';
+     unless ($not_author) {
+         $out .= '<td>'.
+                 &Apache::loncommon::help_open_topic("Authoring_Output_Tags",&mt('Output Tags'),
+                                                     undef,undef,600).
+                 '</td>';
+     }
+     $out .= '</tr></table>';
+     return $out;
  }
  sub general_help {
- Line 863  sub general_help {
+ Line 1099  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 879  sub update_help_link {
+ Line 1117  sub update_help_link {
      my $banner_link = "/adm/helpmenu?page=banner&amp;topic=$topic&amp;component_help=$component_help&amp;faq=$faq&amp;bug=$bug&amp;origurl=$origurl&amp;stamp=$timestamp&amp;stayonpage=$stayOnPage";
      my $output .= <<"ENDOUTPUT";
  <script type="text/javascript">
+ // <![CDATA[
  banner_link = '$banner_link';
+ // ]]>
  </script>
  ENDOUTPUT
      return $output;
- Line 956  sub help_menu_js {
+ Line 1196  sub help_menu_js {
      my $template .= <<"ENDTEMPLATE";
  <script type="text/javascript">
- // <!-- BEGIN LON-CAPA Internal
  // <![CDATA[
+ // <!-- BEGIN LON-CAPA Internal
  var banner_link = '';
  function helpMenu(target) {
      var caller = this;
- Line 982  function writeHelp(caller) {
+ Line 1222  function writeHelp(caller) {
      caller.document.close()
      caller.focus()
  }
- // ]]>
  // END LON-CAPA Internal -->
+ // ]]>
  </script>
  ENDTEMPLATE
      return $template;
- Line 1251  sub resize_textarea_js {
+ Line 1491  sub resize_textarea_js {
      my $geometry = &viewport_geometry_js();
      return <<"RESIZE";
      <script type="text/javascript">
+ // <![CDATA[
  $geometry
  function getX(element) {
- Line 1289  function resize_textarea(textarea_id,bot
+ Line 1530  function resize_textarea(textarea_id,bot
      }
      textarea.style.height=new_height+'px';
  }
+ // ]]>
  </script>
  RESIZE
- Line 1452  sub create_text_file {
+ Line 1694  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 1521  sub multiple_select_form {
+ Line 1763  sub multiple_select_form {
              $size = scalar(keys(%$hash));
          }
      }
-     $output.="\n<select name='$name' size='$size' multiple='1'>";
+     $output.="\n".'<select name="'.$name.'" size="'.$size.'" multiple="multiple">';
      my @order;
      if (ref($order) eq 'ARRAY')  {
          @order = @{$order};
- Line 1578  sub select_form {
+ Line 1820  sub select_form {
  sub display_filter {
      if (!$env{'form.show'}) { $env{'form.show'}=10; }
      if (!$env{'form.displayfilter'}) { $env{'form.displayfilter'}='currentfolder'; }
-     return '<nobr><label>'.&mt('Records [_1]',
+     return '<span class="LC_nobreak"><label>'.&mt('Records [_1]',
  			       &Apache::lonmeta::selectbox('show',$env{'form.show'},undef,
  							   (&mt('all'),10,20,50,100,1000,10000))).
- 	   '</label></nobr> <nobr>'.
+ 	   '</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'}).'" /></nobr>';
+ 			 '<input type="text" name="containingphrase" size="30" value="'.&HTML::Entities::encode($env{'form.containingphrase'}).'" /></span>';
  }
  sub gradeleveldescription {
- Line 1632  sub select_level_form {
+ Line 1874  sub select_level_form {
  =pod
- =item * &select_dom_form($defdom,$name,$includeempty,$showdomdesc)
+ =item * &select_dom_form($defdom,$name,$includeempty,$showdomdesc,$onchange)
  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 1641  See loncreateuser.pm for an example invo
+ Line 1883  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.
+ The optional $onchange argument specifies what should occur if the domain selector is changed, e.g., 'this.form.submit()' if the form is to be automatically submitted.
  =cut
  #-------------------------------------------
  sub select_dom_form {
-     my ($defdom,$name,$includeempty,$showdomdesc) = @_;
+     my ($defdom,$name,$includeempty,$showdomdesc,$onchange) = @_;
+     if ($onchange) {
+         $onchange = ' onchange="'.$onchange.'"';
+     }
      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;
- Line 1706  sub home_server_form_item {
+ Line 1953  sub home_server_form_item {
      if ($numlib > 1) {
          $result .= '<select name="'.$name.'" />'."\n";
          if ($default) {
-             $result .= '<option value="default" selected>'.&mt('default').
+             $result .= '<option value="default" selected="selected">'.&mt('default').
                         '</option>'."\n";
          }
          foreach my $hostid (sort(keys(%servers))) {
- Line 2001  sub authform_kerberos {
+ Line 2248  sub authform_kerberos {
          $autharg,$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'})) {
          if ($in{'curr_authtype'} eq 'krb') {
-             $krbcheck = ' checked="on"';
+             $krbcheck = ' checked="checked"';
              if (defined($in{'mode'})) {
                  if ($in{'mode'} eq 'modifyuser') {
                      $krbcheck = '';
- Line 2016  sub authform_kerberos {
+ Line 2263  sub authform_kerberos {
              }
              if (defined($in{'curr_kerb_ver'})) {
                  if ($in{'curr_krb_ver'} eq '5') {
-                     $check5 = ' checked="on"';
+                     $check5 = ' checked="checked"';
                      $check4 = '';
                  } else {
-                     $check4 = ' checked="on"';
+                     $check4 = ' checked="checked"';
                      $check5 = '';
                  }
              }
- Line 2040  sub authform_kerberos {
+ Line 2287  sub authform_kerberos {
          }
      } else {
          if ($authnum == 1) {
-             $authtype = '<input type="hidden" name="login" value="krb">';
+             $authtype = '<input type="hidden" name="login" value="krb" />';
          }
      }
      if (!$can_assign{'krb4'} && !$can_assign{'krb5'}) {
- Line 2049  sub authform_kerberos {
+ Line 2296  sub authform_kerberos {
          if (defined($in{'mode'})) {
              if ($in{'mode'} eq 'modifycourse') {
                  if ($authnum == 1) {
-                     $authtype = '<input type="hidden" name="login" value="krb">';
+                     $authtype = '<input type="hidden" name="login" value="krb" />';
                  }
              }
          }
- Line 2110  sub authform_internal{
+ Line 2357  sub authform_internal{
      if (defined($in{'curr_authtype'})) {
          if ($in{'curr_authtype'} eq 'int') {
              if ($can_assign{'int'}) {
-                 $intcheck = 'checked="on" ';
+                 $intcheck = 'checked="checked" ';
                  if (defined($in{'mode'})) {
                      if ($in{'mode'} eq 'modifyuser') {
                          $intcheck = '';
- Line 2126  sub authform_internal{
+ Line 2373  sub authform_internal{
          }
      } else {
          if ($authnum == 1) {
-             $authtype = '<input type="hidden" name="login" value="int">';
+             $authtype = '<input type="hidden" name="login" value="int" />';
          }
      }
      if (!$can_assign{'int'}) {
- Line 2135  sub authform_internal{
+ Line 2382  sub authform_internal{
          if (defined($in{'mode'})) {
              if ($in{'mode'} eq 'modifycourse') {
                  if ($authnum == 1) {
-                     $authtype = '<input type="hidden" name="login" value="int">';
+                     $authtype = '<input type="hidden" name="login" value="int" />';
                  }
              }
          }
- Line 2150  sub authform_internal{
+ Line 2397  sub authform_internal{
      $result = &mt
          ('[_1] Internally authenticated (with initial password [_2])',
           '<label>'.$authtype,'</label>'.$autharg);
-     $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>';
+     $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>';
      return $result;
  }
- Line 2165  sub authform_local{
+ Line 2412  sub authform_local{
      if (defined($in{'curr_authtype'})) {
          if ($in{'curr_authtype'} eq 'loc') {
              if ($can_assign{'loc'}) {
-                 $loccheck = 'checked="on" ';
+                 $loccheck = 'checked="checked" ';
                  if (defined($in{'mode'})) {
                      if ($in{'mode'} eq 'modifyuser') {
                          $loccheck = '';
- Line 2181  sub authform_local{
+ Line 2428  sub authform_local{
          }
      } else {
          if ($authnum == 1) {
-             $authtype = '<input type="hidden" name="login" value="loc">';
+             $authtype = '<input type="hidden" name="login" value="loc" />';
          }
      }
      if (!$can_assign{'loc'}) {
- Line 2190  sub authform_local{
+ Line 2437  sub authform_local{
          if (defined($in{'mode'})) {
              if ($in{'mode'} eq 'modifycourse') {
                  if ($authnum == 1) {
-                     $authtype = '<input type="hidden" name="login" value="loc">';
+                     $authtype = '<input type="hidden" name="login" value="loc" />';
                  }
              }
          }
- Line 2219  sub authform_filesystem{
+ Line 2466  sub authform_filesystem{
      if (defined($in{'curr_authtype'})) {
          if ($in{'curr_authtype'} eq 'fsys') {
              if ($can_assign{'fsys'}) {
-                 $fsyscheck = 'checked="on" ';
+                 $fsyscheck = 'checked="checked" ';
                  if (defined($in{'mode'})) {
                      if ($in{'mode'} eq 'modifyuser') {
                          $fsyscheck = '';
- Line 2232  sub authform_filesystem{
+ Line 2479  sub authform_filesystem{
          }
      } else {
          if ($authnum == 1) {
-             $authtype = '<input type="hidden" name="login" value="fsys">';
+             $authtype = '<input type="hidden" name="login" value="fsys" />';
          }
      }
      if (!$can_assign{'fsys'}) {
- Line 2241  sub authform_filesystem{
+ Line 2488  sub authform_filesystem{
          if (defined($in{'mode'})) {
              if ($in{'mode'} eq 'modifycourse') {
                  if ($authnum == 1) {
-                     $authtype = '<input type="hidden" name="login" value="fsys">';
+                     $authtype = '<input type="hidden" name="login" value="fsys" />';
                  }
              }
          }
- Line 2609  sub flush_email_cache {
+ Line 2856  sub flush_email_cache {
      &Apache::lonnet::devalidate_cache_new('emailscache',$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
- Line 2627  sub screenname {
+ Line 2911  sub screenname {
      return $names{'screenname'};
  }
+ # ------------------------------------------------------------- Confirm Wrapper
+ =pod
+ =item confirmwrapper
+ Wrap messages about completion of operation in box
+ =cut
+ sub confirmwrapper {
+     my ($message)=@_;
+     if ($message) {
+         return "\n".'<div class="LC_confirm_box">'."\n"
+                .$message."\n"
+                .'</div>'."\n";
+     } else {
+         return $message;
+     }
+ }
  # ------------------------------------------------------------- Message Wrapper
- Line 2653  sub aboutmewrapper {
+ Line 2956  sub aboutmewrapper {
          return;
      }
      return '<a href="/adm/'.$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").'">'.$link.'</a>';
  }
  # ------------------------------------------------------------ Syllabus Wrapper
- Line 2688  sub track_student_link {
+ Line 2991  sub track_student_link {
  	&help_open_topic('View_recent_activity');
  }
+ sub slot_reservations_link {
+     my ($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
- Line 2890  sub fileextensions {
+ Line 3214  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($ENV{'QUERY_STRING'},['displaylanguage']);
- Line 2902  sub display_languages {
+ Line 3226  sub display_languages {
      return %languages;
  }
- sub preferred_languages {
-     my @languages=();
-     if ($env{'course.'.$env{'request.course.id'}.'.languages'}) {
- 	@languages=(@languages,split(/\s*(\,|\;|\:)\s*/,
- 	         $env{'course.'.$env{'request.course.id'}.'.languages'}));
-     }
-     if ($env{'environment.languages'}) {
- 	@languages=(@languages,
- 		    split(/\s*(\,|\;|\:)\s*/,$env{'environment.languages'}));
-     }
-     my $browser=$ENV{'HTTP_ACCEPT_LANGUAGE'};
-     if ($browser) {
- 	my @browser =
- 	    map { (split(/\s*;\s*/,$_))[0] } (split(/\s*,\s*/,$browser));
- 	push(@languages,@browser);
-     }
-     foreach my $domtype ($env{'user.domain'},$env{'request.role.domain'},
-                          $Apache::lonnet::perlvar{'lonDefDomain'}) {
-         if ($domtype ne '') {
-             my %domdefs = &Apache::lonnet::get_domain_defaults($domtype);
-             if ($domdefs{'lang_def'} ne '') {
-                 push(@languages,$domdefs{'lang_def'});
-             }
-         }
-     }
- # turn "en-ca" into "en-ca,en"
-     my @genlanguages;
-     foreach my $lang (@languages) {
- 	unless ($lang=~/\w/) { next; }
- 	push(@genlanguages,$lang);
- 	if ($lang=~/(\-|\_)/) {
- 	    push(@genlanguages,(split(/(\-|\_)/,$lang))[0]);
- 	}
-     }
-     #uniqueify the languages list
-     my %count;
-     @genlanguages = map { $count{$_}++ == 0 ? $_ : () } @genlanguages;
-     return @genlanguages;
- }
  sub languages {
      my ($possible_langs) = @_;
-     my @preferred_langs = &preferred_languages();
+     my @preferred_langs = &Apache::lonlocal::preferred_languages();
      if (!ref($possible_langs)) {
  	if( wantarray ) {
  	    return @preferred_langs;
- Line 2966  sub languages {
+ Line 3249  sub languages {
      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 3104  sub relative_to_absolute {
+ Line 3409  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 3139  sub get_student_view {
+ Line 3444  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 3148  sub get_student_view {
+ Line 3453  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 $content;
+     }
  }
  =pod
- Line 3257  sub pprmlink {
+ Line 3594  sub pprmlink {
  sub timehash {
-     my @ltime=localtime(shift);
+     my ($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'   => $dt->is_dst() );
  }
  sub utc_string {
- Line 3276  sub utc_string {
+ Line 3618  sub utc_string {
  sub maketime {
      my %th=@_;
+     my ($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,$th{'year'}-1900,0,0,-1));
- Line 3626  sub blocking_status {
+ Line 3986  sub blocking_status {
                               &Apache::lonnet::coursedescription($course);
                          $coursedesc = $courseinfo{'description'};
                      }
-                     $category = "Group files in the course '$coursedesc'";
+                     $category = "Group portfolio files in the course '$coursedesc'";
                  } else {
                      $category = 'Portfolio files belonging to ';
                      if ($env{'user.name'} eq 'public' &&
- Line 3656  sub blocking_status {
+ Line 4016  sub blocking_status {
  ###############################################
+ sub check_ip_acc {
+     my ($acc)=@_;
+     &Apache::lonxml::debug("acc is $acc");
+     if (!defined($acc) || $acc =~ /^\s*$/ || $acc =~/^\s*no\s*$/i) {
+         return 1;
+     }
+     my $allowed=0;
+     my $ip=$env{'request.host'} || $ENV{'REMOTE_ADDR'};
+     my $name;
+     foreach my $pattern (split(',',$acc)) {
+         $pattern =~ s/^\s*//;
+         $pattern =~ s/\s*$//;
+         if ($pattern =~ /\*$/) {
+             #35.8.*
+             $pattern=~s/\*//;
+             if ($ip =~ /^\Q$pattern\E/) { $allowed=1; }
+         } elsif ($pattern =~ /(\d+\.\d+\.\d+)\.\[(\d+)-(\d+)\]$/) {
+             #35.8.3.[34-56]
+             my $low=$2;
+             my $high=$3;
+             $pattern=$1;
+             if ($ip =~ /^\Q$pattern\E/) {
+                 my $last=(split(/\./,$ip))[3];
+                 if ($last <=$high && $last >=$low) { $allowed=1; }
+             }
+         } elsif ($pattern =~ /^\*/) {
+             #*.msu.edu
+             $pattern=~s/\*//;
+             if (!defined($name)) {
+                 use Socket;
+                 my $netaddr=inet_aton($ip);
+                 ($name)=gethostbyaddr($netaddr,AF_INET);
+             }
+             if ($name =~ /\Q$pattern\E$/i) { $allowed=1; }
+         } elsif ($pattern =~ /\d+\.\d+\.\d+\.\d+/) {
+             #127.0.0.1
+             if ($ip =~ /^\Q$pattern\E/) { $allowed=1; }
+         } else {
+             #some.name.com
+             if (!defined($name)) {
+                 use Socket;
+                 my $netaddr=inet_aton($ip);
+                 ($name)=gethostbyaddr($netaddr,AF_INET);
+             }
+             if ($name =~ /\Q$pattern\E$/i) { $allowed=1; }
+         }
+         if ($allowed) { last; }
+     }
+     return $allowed;
+ }
+ ###############################################
  =pod
  =head1 Domain Template Functions
- Line 3704  sub get_domainconf {
+ Line 4118  sub get_domainconf {
          if (ref($domconfig{'login'}) eq 'HASH') {
              if (keys(%{$domconfig{'login'}})) {
                  foreach my $key (keys(%{$domconfig{'login'}})) {
-                     $designhash{$udom.'.login.'.$key}=$domconfig{'login'}{$key};
+                     if (ref($domconfig{'login'}{$key}) eq 'HASH') {
+                         foreach my $img (keys(%{$domconfig{'login'}{$key}})) {
+                             $designhash{$udom.'.login.'.$key.'_'.$img} =
+                                 $domconfig{'login'}{$key}{$img};
+                         }
+                     } else {
+                         $designhash{$udom.'.login.'.$key}=$domconfig{'login'}{$key};
+                     }
                  }
              } else {
                  $legacy{'login'} = 1;
- Line 3926  sub bodytag {
+ Line 4347  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 4213  sub standard_css {
+ Line 4634  sub standard_css {
      my $sans                 = 'Verdana,Arial,Helvetica,sans-serif';
      my $mono                 = 'monospace';
-     my $data_table_head      = $tabbg;
+     my $data_table_head      = $sidebg;
-     my $data_table_light     = '#EEEEEE';
+     my $data_table_light     = '#FAFAFA';
-     my $data_table_dark      = '#DDDDDD';
+     my $data_table_dark      = '#F0F0F0';
      my $data_table_darker    = '#CCCCCC';
      my $data_table_highlight = '#FFFF00';
      my $mail_new             = '#FFBB77';
- Line 4228  sub standard_css {
+ Line 4649  sub standard_css {
      my $mail_other_hover     = '#669999';
      my $table_header         = '#DDDDDD';
      my $feedback_link_bg     = '#BBBBBB';
+     my $lg_border_color      = '#C8C8C8';
      my $border = ($env{'browser.type'} eq 'explorer' ||
- 		  $env{'browser.type'} eq 'safari'     ) ? '0px 2px 0px 2px'
+ 		  $env{'browser.type'} eq 'safari'     ) ? '0 2px 0 2px'
- 	                                                 : '0px 3px 0px 4px';
+ 	                                                 : '0 3px 0 4px';
      return <<END;
  h1, h2, h3, th { font-family: $sans }
  a:focus { color: red; background: yellow }
+ hr {
+   clear: both;
+   color: $tabbg;
+   background-color: $tabbg;
+   height: 3px;
+   border: none;
+ }
  table.thinborder,
  table.thinborder tr th {
- Line 4266  form, .inline { display: inline; }
+ Line 4697  form, .inline { display: inline; }
  .LC_diff_added {
    color: green;
  }
- .LC_unknown {
-   color: yellow;
+ 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_icon {
-   border: 0px;
+   border: none;
  }
  .LC_indexer_icon {
-   border: 0px;
+   border: 0;
    height: 22px;
  }
  .LC_docs_spacer {
    width: 25px;
    height: 1px;
-   border: 0px;
+   border: none;
  }
  .LC_internal_info {
-   color: #999;
+   color: #999999;
  }
  table.LC_pastsubmission {
- Line 4297  table#LC_top_nav, table#LC_menubuttons,t
+ Line 4737  table#LC_top_nav, table#LC_menubuttons,t
    background: $pgbg;
    border: 2px;
    border-collapse: separate;
-   padding: 0px;
+   padding: 0;
  }
  table#LC_title_bar, table.LC_breadcrumbs,
- Line 4310  table#LC_title_bar.LC_with_remote {
+ Line 4750  table#LC_title_bar.LC_with_remote {
    background: $pgbg;
    font-family: $sans;
    border-collapse: collapse;
-   padding: 0px;
+   padding: 0;
  }
  table.LC_docs_path {
- Line 4319  table.LC_docs_path {
+ Line 4759  table.LC_docs_path {
    background: $pgbg;
    font-family: $sans;
    border-collapse: collapse;
-   padding: 0px;
+   padding: 0;
  }
  table#LC_title_bar td {
- Line 4340  span.LC_title_bar_title {
+ Line 4780  span.LC_title_bar_title {
  table#LC_title_bar td.LC_title_bar_domain_logo {
    background: $sidebg;
    text-align: right;
-   padding: 0px;
+   padding: 0;
  }
  table#LC_title_bar td.LC_title_bar_role_logo {
    background: $sidebg;
-   padding: 0px;
+   padding: 0;
  }
  table#LC_menubuttons_mainmenu {
    width: 100%;
-   border: 0px;
+   border: 0;
    border-spacing: 1px;
-   padding: 0px 1px;
+   padding: 0 1px;
-   margin: 0px;
+   margin: 0;
    border-collapse: separate;
  }
  table#LC_menubuttons img, table#LC_menubuttons_mainmenu img {
-   border: 0px;
+   border: none;
  }
  table#LC_top_nav td {
    background: $tabbg;
-   border: 0px;
+   border: none;
    font-size: small;
  }
  table#LC_top_nav td a, div#LC_top_nav a {
- Line 4374  table#LC_top_nav td.LC_top_nav_logo {
+ Line 4814  table#LC_top_nav td.LC_top_nav_logo {
    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,
- Line 4402  table.LC_docs_path td.LC_docs_path_compo
+ Line 4842  table.LC_docs_path td.LC_docs_path_compo
  td.LC_table_cell_checkbox {
    text-align: center;
  }
  table#LC_mainmenu td.LC_mainmenu_column {
      vertical-align: top;
  }
- Line 4416  table#LC_mainmenu td.LC_mainmenu_column
+ Line 4855  table#LC_mainmenu td.LC_mainmenu_column
  .LC_menubuttons_link {
    text-decoration: none;
  }
+ /*2008--9-5: new menu style sheet.Changed category*/
  .LC_menubuttons_category {
    color: $font;
    background: $pgbg;
- Line 4444  td.LC_menubuttons_img {
+ Line 4883  td.LC_menubuttons_img {
    font-weight: bold;
  }
- .LC_rolesmenu_is {
-   font-family: $sans;
- }
- .LC_rolesmenu_selected {
-   font-family: $sans;
- }
- .LC_rolesmenu_future {
-   font-family: $sans;
- }
- .LC_rolesmenu_will {
-   font-family: $sans;
- }
- .LC_rolesmenu_will_not {
-   font-family: $sans;
- }
- .LC_rolesmenu_expired {
-   font-family: $sans;
- }
- .LC_rolesinfo {
-   font-family: $sans;
- }
  .LC_dropadd_labeltext {
    font-family: $sans;
    text-align: right;
- Line 4483  td.LC_menubuttons_img {
+ Line 4893  td.LC_menubuttons_img {
    text-align: right;
  }
+ .LC_roleslog_note {
+   font-size: smaller;
+ }
+ .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 {
    border: 1px solid #000000;
- Line 4500  table.LC_data_table, table.LC_mail_list
+ Line 4918  table.LC_data_table, table.LC_mail_list
  table.LC_nested_outer {
    border: 1px solid #000000;
    border-collapse: collapse;
-   border-spacing: 0px;
+   border-spacing: 0;
    width: 100%;
  }
+ table.LC_innerpickbox,
  table.LC_nested {
-   border: 0px;
+   border: none;
    border-collapse: collapse;
-   border-spacing: 0px;
+   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 {
+ table.LC_prior_tries tr th,
+ table.LC_innerpickbox tr th {
    font-weight: bold;
    background-color: $data_table_head;
    font-size: smaller;
  }
+ table.LC_innerpickbox tr th,
+ table.LC_innerpickbox tr td {
+   vertical-align: top;
+ }
+ 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_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;
- Line 4556  table.LC_nested_outer tr td.LC_subheader
+ Line 4988  table.LC_nested_outer tr td.LC_subheader
    text-align: right;
  }
  table.LC_nested tr.LC_info_row td {
-   background-color: #CCC;
+   background-color: #CCCCCC;
    font-weight: bold;
    font-size: small;
    text-align: center;
- Line 4566  table.LC_nested_outer tr th.LC_left_item
+ Line 4998  table.LC_nested_outer tr th.LC_left_item
    text-align: left;
  }
  table.LC_nested td {
-   background-color: #FFF;
+   background-color: #FFFFFF;
    font-size: small;
  }
  table.LC_nested_outer tr th.LC_right_item,
- Line 4577  table.LC_nested tr td.LC_right_item {
+ Line 5009  table.LC_nested tr td.LC_right_item {
  }
  table.LC_nested tr.LC_odd_row td {
-   background-color: #EEE;
+   background-color: #EEEEEE;
  }
  table.LC_createuser {
- Line 4588  table.LC_createuser tr.LC_section_row td
+ Line 5020  table.LC_createuser tr.LC_section_row td
  }
  table.LC_createuser tr.LC_info_row td  {
-   background-color: #CCC;
+   background-color: #CCCCCC;
    font-weight: bold;
    text-align: center;
  }
- Line 4644  table.LC_mail_list tr.LC_mail_odd {
+ Line 5076  table.LC_mail_list tr.LC_mail_odd {
  table#LC_portfolio_actions {
    width: auto;
    background: $pgbg;
-   border: 0px;
+   border: none;
    border-spacing: 2px 2px;
-   padding: 0px;
+   padding: 0;
-   margin: 0px;
+   margin: 0;
    border-collapse: separate;
  }
  table#LC_portfolio_actions td.LC_label {
- Line 4703  table#LC_browser tr.LC_browser_file_meta
+ Line 5135  table#LC_browser tr.LC_browser_file_meta
  table#LC_browser tr.LC_browser_folder {
    background: #CCCCFF;
  }
+ table.LC_data_table tr > td.LC_roles_is {
+ /*  background: #77FF77; */
+ }
+ table.LC_data_table tr > td.LC_roles_future {
+   background: #FFFF77;
+ }
+ table.LC_data_table tr > td.LC_roles_will {
+   background: #FFAA77;
+ }
+ table.LC_data_table tr > td.LC_roles_expired {
+   background: #FF7777;
+ }
+ table.LC_data_table tr > td.LC_roles_will_not {
+   background: #AAFF77;
+ }
+ table.LC_data_table tr > td.LC_roles_selected {
+   background: #11CC55;
+ }
  span.LC_current_location {
    font-size: x-large;
    background: $pgbg;
- Line 4748  table.LC_parm_overview_restrictions th {
+ Line 5200  table.LC_parm_overview_restrictions th {
    border-color: $pgbg;
  }
  table#LC_helpmenu {
-   border: 0px;
+   border: none;
    height: 55px;
-   border-spacing: 0px;
+   border-spacing: 0;
  }
  table#LC_helpmenu fieldset legend {
- Line 4761  table#LC_helpmenu_links {
+ Line 5213  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 {
- Line 4800  table.LC_pick_box {
+ Line 5252  table.LC_pick_box {
    border-spacing: 1px;
  }
  table.LC_pick_box td.LC_pick_box_title {
-   background: $tabbg;
+   background: $sidebg;
    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;
+   background: $sidebg;
    font-weight: bold;
    text-align: right;
    width: 350px;
- Line 4823  table.LC_pick_box td.LC_pick_box_select
+ Line 5276  table.LC_pick_box td.LC_pick_box_select
    padding: 8px;
  }
  table.LC_pick_box td.LC_pick_box_separator {
-   padding: 0px;
+   padding: 0;
    height: 1px;
    background: black;
  }
- Line 4865  table.LC_helpform_receipt td.LC_oddrow_v
+ Line 5318  table.LC_helpform_receipt td.LC_oddrow_v
    background-color: $data_table_light;
  }
  table.LC_helpform_receipt td.LC_pick_box_separator {
-   padding: 0px;
+   padding: 0;
    height: 1px;
    background: black;
  }
- Line 4898  table.LC_group_priv_box td.LC_groups_fun
+ Line 5351  table.LC_group_priv_box td.LC_groups_fun
  }
  table.LC_group_priv td {
    text-align: left;
-   padding: 0px;
+   padding: 0;
  }
  table.LC_notify_front_page {
- Line 4919  table.LC_notify_front_page td {
+ Line 5372  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;
- Line 5035  span.LC_cusr_subheading {
+ Line 5489  span.LC_cusr_subheading {
  table.LC_docs_documents {
    background: #BBBBBB;
-   border-width: 0px;
+   border-width: 0;
    border-collapse: collapse;
  }
- Line 5052  table.LC_docs_documents td.LC_docs_docum
+ Line 5506  table.LC_docs_documents td.LC_docs_docum
  }
  .LC_docs_entry_move {
-   border: 0px;
+   border: none;
    border-collapse: collapse;
  }
- Line 5108  table.LC_sty_end {
+ Line 5562  table.LC_sty_end {
  }
  table.LC_double_column {
-   border-width: 0px;
+   border-width: 0;
    border-collapse: collapse;
    width: 100%;
    padding: 2px;
- Line 5247  table.LC_edit_problem_header_title {
+ Line 5701  table.LC_edit_problem_header_title {
    background: $tabbg;
    border-collapse: collapse;
-   padding: 0px
+   padding: 0;
  }
  div.LC_edit_problem_discards {
- Line 5263  hr.LC_edit_problem_divide {
+ Line 5717  hr.LC_edit_problem_divide {
    color: $tabbg;
    background-color: $tabbg;
    height: 3px;
-   border: 0px;
+   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;
+ }
+ fieldset#LC_mainmenu_fieldset {
+   margin:0 10px 10px 0;
+ }
+ div.LC_createcourse {
+     margin: 10px 10px 10px 10px;
+ }
  END
  }
- Line 5392  sub xml_begin {
+ Line 5877  sub xml_begin {
              .'<html xmlns:math="http://www.w3.org/1998/Math/MathML" '
  	    .'xmlns="http://www.w3.org/1999/xhtml">';
      } else {
- 	$output='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html>';
+ 	$output='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">'.
+             '<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">';
      }
      return $output;
  }
- Line 5533  sub start_page {
+ Line 6019  sub start_page {
      if ($args->{'html_encode'}) {
  	$result = &html_encode($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 $result;
  }
  =pod
  =item * &head()
- Line 5767  sub get_users_function {
+ Line 6269  sub get_users_function {
      if ($env{'request.role'}=~/^(su|dc|ad|li)/) {
          $function='admin';
      }
-     if (($env{'request.role'}=~/^(au|ca)/) ||
+     if (($env{'request.role'}=~/^(au|ca|aa)/) ||
          ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
          $function='author';
      }
- Line 5778  sub get_users_function {
+ Line 6280  sub get_users_function {
  =pod
+ =item * &show_course()
+ Used by lonmenu.pm and lonroles.pm to determine whether to use the word
+ 'Courses' or 'Roles' in inline navigation and on screen displaying user's roles.
+ Inputs:
+ None
+ Outputs:
+ Scalar: 1 if 'Course' to be used, 0 otherwise.
+ =cut
+ ###############################################
+ sub show_course {
+     my $course = !$env{'user.adv'};
+     if (!$env{'user.adv'}) {
+         foreach my $env (keys(%env)) {
+             next if ($env !~ m/^user\.priv\./);
+             if ($env !~ m/^user\.priv\.(?:st|cm)/) {
+                 $course = 0;
+                 last;
+             }
+         }
+     }
+     return $course;
+ }
+ ###############################################
+ =pod
  =item * &check_user_status()
  Determines current status of supplied role for a
- Line 6293  sub default_quota {
+ Line 6826  sub default_quota {
                                              ['quotas'],$udom);
      if (ref($quotahash{'quotas'}) eq 'HASH') {
          if ($inststatus ne '') {
-             my @statuses = split(/:/,$inststatus);
+             my @statuses = map { &unescape($_); } split(/:/,$inststatus);
              foreach my $item (@statuses) {
-                 if ($quotahash{'quotas'}{$item} ne '') {
+                 if (ref($quotahash{'quotas'}{'defaultquota'}) eq 'HASH') {
-                     if ($defquota eq '') {
+                     if ($quotahash{'quotas'}{'defaultquota'}{$item} ne '') {
-                         $defquota = $quotahash{'quotas'}{$item};
+                         if ($defquota eq '') {
-                         $settingstatus = $item;
+                             $defquota = $quotahash{'quotas'}{'defaultquota'}{$item};
-                     } elsif ($quotahash{'quotas'}{$item} > $defquota) {
+                             $settingstatus = $item;
-                         $defquota = $quotahash{'quotas'}{$item};
+                         } elsif ($quotahash{'quotas'}{'defaultquota'}{$item} > $defquota) {
-                         $settingstatus = $item;
+                             $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 '') {
-             $defquota = $quotahash{'quotas'}{'default'};
+             if (ref($quotahash{'quotas'}{'defaultquota'}) eq 'HASH') {
+                 $defquota = $quotahash{'quotas'}{'defaultquota'}{'default'};
+             } else {
+                 $defquota = $quotahash{'quotas'}{'default'};
+             }
              $settingstatus = 'default';
          }
      } else {
- Line 6413  sub user_picker {
+ Line 6962  sub user_picker {
          #       loncreateuser::print_user_query_page()
          #       has been completed.
          next if ($option eq 'alc');
+         next if (($option eq 'crs') && ($env{'form.form'} eq 'requestcrs'));
          next if ($option eq 'crs' && !$env{'request.course.id'});
          if ($curr_selected{'srchin'} eq $option) {
              $srchinsel .= '
- Line 6456  sub user_picker {
+ Line 7006  sub user_picker {
                  if ($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 = ' href="javascript:helpMenu('."'display'".')"';
+                     my $helplink = 'javascript:helpMenu('."'display'".')';
                      my %usertypetext = (
                          official   => 'institutional',
                          unofficial => 'non-institutional',
                      );
-                     $new_user_create = '<br /><span class="LC_warning">'.&mt("You are not authorized to create new $usertypetext{$usertype} users in this domain.").' '.&mt('Contact the <a[_1]>helpdesk</a> for assistance.',$helplink).'</span><br /><br />';
+                     $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 />';
                  }
              }
          }
- Line 6498  ENDSCRIPT
+ Line 7050  ENDSCRIPT
      my $output = <<"END_BLOCK";
  <script type="text/javascript">
+ // <![CDATA[
  function validateEntry(callingForm) {
      var checkok = 1;
- Line 6566  function validateEntry(callingForm) {
+ Line 7119  function validateEntry(callingForm) {
  $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
+     $output .= &Apache::lonhtmlcommon::start_pick_box().
+                &Apache::lonhtmlcommon::row_title($lt{'doma'}).
+                $domform.
+                &Apache::lonhtmlcommon::row_closure().
+                &Apache::lonhtmlcommon::row_title($lt{'usr'}).
+                $srchbysel.
+                $srchtypesel.
+                '<input type="text" size="15" name="srchterm" value="'.$srchterm.'" />'.
+                $srchinsel.
+                &Apache::lonhtmlcommon::row_closure(1).
+                &Apache::lonhtmlcommon::end_pick_box().
+                '<br />';
      return $output;
  }
- Line 6713  sub instrule_disallow_msg {
+ Line 7263  sub instrule_disallow_msg {
              $text{'action'} = 'IDs';
          }
      }
-     $response = &mt("The $text{'item'} you chose $text{'match'} the format of $text{'items'} defined for <span class=\"LC_cusr_emph\">[_1]</span>, but the $text{'item'} $text{'do'} not exist in the institutional directory.",$domdesc).'<br />';
+     $response = &mt("The $text{'item'} you chose $text{'match'} the format of $text{'items'} defined for [_1], but the $text{'item'} $text{'do'} not exist in the institutional directory.",'<span class="LC_cusr_emph">'.$domdesc.'</span>').'<br />';
      if ($mode eq 'upload') {
          if ($checkitem eq 'username') {
              $response .= &mt("You will need to modify your upload file so it will include $text{'action'} with a different format --  $text{'one'} that will not conflict with 'official' institutional $text{'items'}.");
          } elsif ($checkitem eq 'id') {
-             $response .= &mt("Either upload a file which includes $text{'action'} with a different format --  $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or when associating fields with data columns, omit an association for the ID/Student Number field.");
+             $response .= &mt("Either upload a file which includes $text{'action'} with a different format --  $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or when associating fields with data columns, omit an association for the Student/Employee ID field.");
+         }
+     } elsif ($mode eq 'selfcreate') {
+         if ($checkitem eq 'id') {
+             $response .= &mt("You must either choose $text{'action'} with a different format --  $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or leave the ID field blank.");
          }
      } else {
          if ($checkitem eq 'username') {
- Line 6739  sub personal_data_fieldtitles {
+ Line 7293  sub personal_data_fieldtitles {
                          middlename => 'Middle Name',
                          generation => 'Generation',
                          gen => 'Generation',
+                         inststatus => 'Affiliation',
                     );
      return %fieldtitles;
  }
- Line 6748  sub sorted_inst_types {
+ Line 7303  sub sorted_inst_types {
      my ($usertypes,$order) = &Apache::lonnet::retrieve_inst_usertypes($dom);
      my $othertitle = &mt('All users');
      if ($env{'request.course.id'}) {
-         $othertitle  = 'any';
+         $othertitle  = &mt('Any users');
      }
      my @types;
      if (ref($order) eq 'ARRAY') {
- Line 6761  sub sorted_inst_types {
+ Line 7316  sub sorted_inst_types {
      }
      if (keys(%{$usertypes}) > 0) {
          $othertitle = &mt('Other users');
-         if ($env{'request.course.id'}) {
-             $othertitle = 'other';
-         }
      }
      return ($othertitle,$usertypes,\@types);
  }
- Line 6811  sub get_institutional_codes {
+ Line 7363  sub get_institutional_codes {
  =pod
+ =head1 Slot Helpers
+ =over 4
+ =item * sorted_slots()
+ Sorts an array of slot names in order of slot start time (earliest first).
+ Inputs:
+ =over 4
+ slotsarr  - Reference to array of unsorted slot names.
+ slots     - Reference to hash of hash, where outer hash keys are slot names.
+ =back
+ Returns:
+ =over 4
+ sorted   - An array of slot names sorted by the start time of the slot.
+ =back
+ =back
+ =cut
+ sub sorted_slots {
+     my ($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;
+                  } @{$slotsarr};
+     }
+     return @sorted;
+ }
+ =pod
  =back
  =head1 HTTP Helpers
- Line 6949  sub get_env_multiple {
+ Line 7551  sub get_env_multiple {
      return(@values);
  }
+ sub ask_for_embedded_content {
+     my ($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 .= '<font size="+2">'.
+                                    &mt('View embedded file: [_1]','<a href="'.$url.'">'.
+                                    $orig_uploaded_filename.'</a>').'</font><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 7137  sub upfile_select_html {
+ Line 7965  sub upfile_select_html {
  #                 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 7178  Apache Request ref, $records is an array
+ Line 8006  Apache Request ref, $records is an array
  ######################################################
  sub csv_print_samples {
      my ($r,$records) = @_;
-     my $samples = &get_samples($records,3);
+     my $samples = &get_samples($records,5);
      $r->print(&mt('Samples').'<br />'.&start_data_table().
                &start_data_table_header_row());
      foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
-         $r->print('<th>'.&mt('Column&nbsp;[_1]',($sample+1)).'</th>'); }
+         $r->print('<th>'.&mt('Column [_1]',($sample+1)).'</th>');
+     }
      $r->print(&end_data_table_header_row());
      foreach my $hash (@$samples) {
  	$r->print(&start_data_table_row());
- Line 7225  sub csv_print_select_table {
+ Line 8054  sub csv_print_select_table {
                &end_data_table_header_row()."\n");
      foreach my $array_ref (@$d) {
  	my ($value,$display,$defaultcol)=@{ $array_ref };
- 	$r->print(&start_data_table_row().'<tr><td>'.$display.'</td>');
+ 	$r->print(&start_data_table_row().'<td>'.$display.'</td>');
- 	$r->print('<td><select name=f'.$i.
+ 	$r->print('<td><select name"f'.$i.'"'.
  		  ' onchange="javascript:flip(this.form,'.$i.');">');
  	$r->print('<option value="none"></option>');
  	foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
  	    $r->print('<option value="'.$sample.'"'.
                        ($sample eq $defaultcol ? ' selected="selected" ' : '').
-                       '>Column '.($sample+1).'</option>');
+                       '>'.&mt('Column [_1]',($sample+1)).'</option>');
  	}
  	$r->print('</select></td>'.&end_data_table_row()."\n");
  	$i++;
- Line 7264  sub csv_samples_select_table {
+ Line 8093  sub csv_samples_select_table {
      my ($r,$records,$d) = @_;
      my $i=0;
      #
-     my $samples = &get_samples($records,3);
+     my $max_samples = 5;
+     my $samples = &get_samples($records,$max_samples);
      $r->print(&start_data_table().
                &start_data_table_header_row().'<th>'.
                &mt('Field').'</th><th>'.&mt('Samples').'</th>'.
- Line 7280  sub csv_samples_select_table {
+ Line 8110  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");
  	    }
- Line 7880  sub restore_settings {
+ Line 8710  sub restore_settings {
  =item * &build_recipient_list()
- Build recipient lists for three types of e-mail:
+ Build recipient lists for four types of e-mail:
- (a) Error Reports, (b) Package Updates, (c) Help requests, generated by
+ (a) Error Reports, (b) Package Updates, (c) lonstatus warnings/errors
- lonerrorhandler.pm, CHECKRPMS and lonsupportreq.pm respectively.
+ (d) Help requests, generated by
+ lonerrorhandler.pm, CHECKRPMS, loncron, and lonsupportreq.pm respectively.
  Inputs:
  defmail (scalar - email address of default recipient),
- Line 7891  defdom (domain for which to retrieve con
+ Line 8722  defdom (domain for which to retrieve con
  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
- Line 7904  sub build_recipient_list {
+ Line 8737  sub build_recipient_list {
      my %domconfig =
           &Apache::lonnet::get_dom('configuration',['contacts'],$defdom);
      if (ref($domconfig{'contacts'}) eq 'HASH') {
-         if (ref($domconfig{'contacts'}{$mailing}) eq 'HASH') {
+         if (exists($domconfig{'contacts'}{$mailing})) {
-             my @contacts = ('adminemail','supportemail');
+             if (ref($domconfig{'contacts'}{$mailing}) eq 'HASH') {
-             foreach my $item (@contacts) {
+                 my @contacts = ('adminemail','supportemail');
-                 if ($domconfig{'contacts'}{$mailing}{$item}) {
+                 foreach my $item (@contacts) {
-                     my $addr = $domconfig{'contacts'}{$item};
+                     if ($domconfig{'contacts'}{$mailing}{$item}) {
-                     if (!grep(/^\Q$addr\E$/,@recipients)) {
+                         my $addr = $domconfig{'contacts'}{$item};
-                         push(@recipients,$addr);
+                         if (!grep(/^\Q$addr\E$/,@recipients)) {
+                             push(@recipients,$addr);
+                         }
                      }
+                     $otheremails = $domconfig{'contacts'}{$mailing}{'others'};
                  }
-                 $otheremails = $domconfig{'contacts'}{$mailing}{'others'};
              }
+         } elsif ($origmail ne '') {
+             push(@recipients,$origmail);
          }
      } elsif ($origmail ne '') {
          push(@recipients,$origmail);
      }
-     if ($defmail ne '') {
+     if (defined($defmail)) {
-         push(@recipients,$defmail);
+         if ($defmail ne '') {
+             push(@recipients,$defmail);
+         }
      }
      if ($otheremails) {
          my @others;
- Line 7942  sub build_recipient_list {
+ Line 8781  sub build_recipient_list {
  ############################################################
  ############################################################
+ =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.
                           ($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;
  }
- Line 7983  sub commit_standardrole {
+ Line 9156  sub commit_standardrole {
          $output = &mt('Assigning').' '.$three.' in '.$url.
                 ($start?', '.&mt('starting').' '.localtime($start):'').
                 ($end?', '.&mt('ending').' '.localtime($end):'').': ';
-         my $result = &Apache::lonnet::assignrole($udom,$uname,$url,$three,$end,$start);
+         my $result = &Apache::lonnet::assignrole($udom,$uname,$url,$three,$end,$start,'','',$context);
          if ($context eq 'auto') {
              $output .= $result.$linefeed;
          } else {
- Line 8018  sub commit_studentrole {
+ Line 9191  sub commit_studentrole {
                  }
                  $oldsecurl = $uurl;
                  $expire_role_result =
-                     &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',$now);
+                     &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',$now,'','',$context);
                  if ($env{'request.course.sec'} ne '') {
                      if ($expire_role_result eq 'refused') {
                          my @roles = ('st');
- Line 8041  sub commit_studentrole {
+ Line 9214  sub commit_studentrole {
              }
          }
          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) {
                      if ($sec eq '') {
- Line 8113  sub check_clone {
+ Line 9286  sub check_clone {
          $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'}) {
+         if (($env{'request.role.domain'} eq $args->{'clonedomain'}) &&
- 	    $can_clone = 1;
+             (&Apache::lonnet::allowed('ccc',$env{'request.role.domain'}))) {
+  	    $can_clone = 1;
  	} else {
  	    my %clonehash = &Apache::lonnet::get('environment',['cloners'],
  						 $args->{'clonedomain'},$args->{'clonecourse'});
- Line 8141  sub check_clone {
+ Line 9315  sub check_clone {
  }
  sub construct_course {
-     my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context) = @_;
+     my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context,$cnum) = @_;
      my $outcome;
      my $linefeed =  '<br />'."\n";
      if ($context eq 'auto') {
- Line 8179  sub construct_course {
+ Line 9353  sub construct_course {
                                               $args->{'crscode'},
                                               $args->{'ccuname'}.':'.
                                               $args->{'ccdomain'},
-                                              $args->{'crstype'});
+                                              $args->{'crstype'},
+                                              $cnum);
      # Note: The testing routines depend on this being output; see
      # Utils::Course. This needs to at least be output as a comment
- Line 8222  sub construct_course {
+ Line 9398  sub construct_course {
                     'policy.email',
                     'comment.email',
                     'pch.users.denied',
-                    'plc.users.denied'],
+                    'plc.users.denied',
+                    'hidefromcat',
+                    'categories'],
                     $$crsudom,$$crsunum);
      }
- Line 8450  sub construct_course {
+ Line 9628  sub construct_course {
          $outcome .= ($fatal?$errtext:'read ok').' - ';
          my $title; my $url;
          if ($args->{'firstres'} eq 'syl') {
- 	    $title='Syllabus';
+ 	    $title=&mt('Syllabus');
              $url='/public/'.$$crsudom.'/'.$$crsunum.'/syllabus';
          } else {
-             $title='Navigate Contents';
+             $title=&mt('Navigate Contents');
              $url='/adm/navmaps';
          }
- Line 8485  sub course_type {
+ Line 9663  sub course_type {
  sub group_term {
      my $crstype = &course_type();
      my %names = (
-                   'Course' => 'group',
+                   'Course'    => 'group',
-                   'Group' => 'team',
+                   'Community' => 'group',
                  );
      return $names{$crstype};
  }
- Line 8507  sub icon {
+ Line 9685  sub icon {
      return &lonhttpdurl($iconname);
  }
- sub lonhttpd_port {
-     my $lonhttpd_port=$Apache::lonnet::perlvar{'lonhttpdPort'};
-     if (!defined($lonhttpd_port)) { $lonhttpd_port='8080'; }
-     # IE doesn't like a secure page getting images from a non-secure
-     # port (when logging we haven't parsed the browser type so default
-     # back to secure
-     if ((!exists($env{'browser.type'}) || $env{'browser.type'} eq 'explorer')
- 	&& $ENV{'SERVER_PORT'} == 443) {
- 	return 443;
-     }
-     return $lonhttpd_port;
- }
  sub lonhttpdurl {
+ #
+ # Had been used for "small fry" static images on separate port 8080.
+ # Modify here if lightweight http functionality desired again.
+ # Currently eliminated due to increasing firewall issues.
+ #
      my ($url)=@_;
+     return $url;
-     my $lonhttpd_port = &lonhttpd_port();
-     if ($lonhttpd_port == 443) {
- 	return 'https://'.$ENV{'SERVER_NAME'}.$url;
-     }
-     return 'http://'.$ENV{'SERVER_NAME'}.':'.$lonhttpd_port.$url;
  }
  sub connection_aborted {
- Line 8564  sub escape_url {
+ Line 9728  sub escape_url {
      return join('/',@urlslices).'/'.$lastitem;
  }
+ sub compare_arrays {
+     my ($arrayref1,$arrayref2) = @_;
+     my (@difference,%count);
+     @difference = ();
+     %count = ();
+     if ((ref($arrayref1) eq 'ARRAY') && (ref($arrayref2) eq 'ARRAY')) {
+         foreach my $element (@{$arrayref1}, @{$arrayref2}) { $count{$element}++; }
+         foreach my $element (keys(%count)) {
+             if ($count{$element} == 1) {
+                 push(@difference,$element);
+             }
+         }
+     }
+     return @difference;
+ }
  # -------------------------------------------------------- Initliaze user login
  sub init_user_environment {
      my ($r, $username, $domain, $authhost, $form, $args) = @_;
- Line 8606  sub init_user_environment {
+ Line 9786  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 8694  sub init_user_environment {
+ Line 9874  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','community') {
+             $userenv{'canrequest.'.$crstype} =
+                 &Apache::lonnet::usertools_access($username,$domain,$crstype,
+                                                   'reload','requestcourses');
+         }
  	$env{'user.environment'} = "$lonids/$cookie.id";
  	if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id",
- Line 8721  sub init_user_environment {
+ Line 9912  sub init_user_environment {
  sub _add_to_env {
      my ($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

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	Added in v.1.692.4.12