loncom/interface/loncommon.pm - diff

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Diff for /loncom/interface/loncommon.pm between versions 1.636.2.3 and 1.1098

-version 1.636.2.3, 2008/03/18 23:00:51
+version 1.1098, 2012/11/30 11:28:51
  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;
+ use Text::Aspell;
+ use Authen::Captcha;
+ use Captcha::reCAPTCHA;
  # ---------------------------------------------- Designs
  use vars qw(%defaultdesign);
- Line 78  my $readit;
+ Line 84  my $readit;
  ## Global Variables
  ##
+ # ----------------------------------------------- SSI with retries:
+ #
+ =pod
+ =head1 Server Side include with retries:
+ =over 4
+ =item * &ssi_with_retries(resource,retries form)
+ Performs an ssi with some number of retries.  Retries continue either
+ until the result is ok or until the retry count supplied by the
+ caller is exhausted.
+ Inputs:
+ =over 4
+ resource   - Identifies the resource to insert.
+ retries    - Count of the number of retries allowed.
+ form       - Hash that identifies the rendering options.
+ =back
+ Returns:
+ =over 4
+ content    - The content of the response.  If retries were exhausted this is empty.
+ response   - The response from the last attempt (which may or may not have been successful.
+ =back
+ =back
+ =cut
+ sub ssi_with_retries {
+     my ($resource, $retries, %form) = @_;
+     my $ok = 0;			# True if we got a good response.
+     my $content;
+     my $response;
+     # Try to get the ssi done. within the retries count:
+     do {
+ 	($content, $response) = &Apache::lonnet::ssi($resource, %form);
+ 	$ok      = $response->is_success;
+         if (!$ok) {
+             &Apache::lonnet::logthis("Failed ssi_with_retries on $resource: ".$response->is_success.', '.$response->code.', '.$response->message);
+         }
+ 	$retries--;
+     } while (!$ok && ($retries > 0));
+     if (!$ok) {
+ 	$content = '';		# On error return an empty content.
+     }
+     return ($content, $response);
+ }
  # ----------------------------------------------- Filetypes/Languages/Copyright
  my %language;
  my %supported_language;
+ my %supported_codes;
+ my %latex_language;		# For choosing hyphenation in <transl..>
+ my %latex_language_bykey;	# for choosing hyphenation from metadata
  my %cprtag;
  my %scprtag;
  my %fe; my %fd; my %fm;
- Line 113  BEGIN {
+ Line 192  BEGIN {
              while (my $line = <$fh>) {
                  next if ($line=~/^\#/);
                  chomp($line);
-                 my ($key,$two,$country,$three,$enc,$val,$sup)=(split(/\t/,$line));
+                 my ($key,$code,$country,$three,$enc,$val,$sup,$latex)=(split(/\t/,$line));
                  $language{$key}=$val.' - '.$enc;
                  if ($sup) {
                      $supported_language{$key}=$sup;
+ 		    $supported_codes{$key}   = $code;
                  }
+ 		if ($latex) {
+ 		    $latex_language_bykey{$key} = $latex;
+ 		    $latex_language{$code} = $latex;
+ 		}
              }
              close($fh);
          }
- Line 198  BEGIN {
+ Line 282  BEGIN {
          }
      }
      &Apache::lonnet::logthis(
-               "<font color=yellow>INFO: Read file types</font>");
+              "<span style='color:yellow;'>INFO: Read file types</span>");
      $readit=1;
      }  # end of unless($readit)
- Line 214  BEGIN {
+ Line 298  BEGIN {
  =over 4
- =item * browser_and_searcher_javascript ()
+ =item * &browser_and_searcher_javascript()
  X<browsing, javascript>X<searching, javascript>Returns a string
  containing javascript with two functions, C<openbrowser> and
  C<opensearcher>. Returned string does not contain E<lt>scriptE<gt>
  tags.
- =item * openbrowser(formname,elementname,only,omit) [javascript]
+ =item * &openbrowser(formname,elementname,only,omit) [javascript]
  inputs: formname, elementname, only, omit
- Line 234  with the given extension.  Can be a comm
+ Line 318  with the given extension.  Can be a comm
  Specifying 'omit' will restrict the browser to NOT displaying files
  with the given extension.  Can be a comma separated list.
- =item * opensearcher(formname, elementname) [javascript]
+ =item * &opensearcher(formname,elementname) [javascript]
  Inputs: formname, elementname
- Line 319  sub storeresurl {
+ Line 403  sub storeresurl {
      unless ($resurl=~/^\/res/) { return 0; }
      $resurl=~s/\/$//;
      &Apache::lonnet::put('environment',{'lastresurl' => $resurl});
-     &Apache::lonnet::appenv('environment.lastresurl' => $resurl);
+     &Apache::lonnet::appenv({'environment.lastresurl' => $resurl});
      return 1;
  }
- Line 333  sub studentbrowser_javascript {
+ Line 417  sub studentbrowser_javascript {
           || ($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,clicker,roleflag,ignorefilter,courseadvonly) {
          var url = '/adm/pickstudent?';
          var filter;
  	if (!ignorefilter) {
- Line 347  sub studentbrowser_javascript {
+ Line 432  sub studentbrowser_javascript {
  	   }
          }
          url += 'form=' + formname + '&unameelement='+uname+
-                                     '&udomelement='+udom;
+                                     '&udomelement='+udom+
+                                     '&clicker='+clicker;
  	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 resourcebrowser_javascript {
+    unless ($env{'request.course.id'}) { return ''; }
+    return (<<'ENDRESBRW');
+ <script type="text/javascript" language="Javascript">
+ // <![CDATA[
+     var reseditbrowser;
+     function openresbrowser(formname,reslink) {
+         var url = '/adm/pickresource?form='+formname+'&reslink='+reslink;
+         var title = 'Resource_Browser';
+         var options = 'scrollbars=1,resizable=1,menubar=0';
+         options += ',width=700,height=500';
+         reseditbrowser = open(url,title,options,'1');
+         reseditbrowser.focus();
+     }
+ // ]]>
+ </script>
+ ENDRESBRW
+ }
  sub selectstudent_link {
-    my ($form,$unameele,$udomele)=@_;
+    my ($form,$unameele,$udomele,$courseadvonly,$clickerid)=@_;
+    my $callargs = "'".&Apache::lonhtmlcommon::entity_encode($form)."','".
+                       &Apache::lonhtmlcommon::entity_encode($unameele)."','".
+                       &Apache::lonhtmlcommon::entity_encode($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.
+        $callargs.=",'".&Apache::lonhtmlcommon::entity_encode($clickerid)."'";
-         '","'.$udomele.'");'."'>".&mt('Select User')."</a>";
+        if ($courseadvonly)  {
+            $callargs .= ",'',1,1";
+        }
+        return '<span class="LC_nobreak">'.
+               '<a href="javascript:openstdbrowser('.$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('.$callargs.');">'.
+               &mt('Select User').'</a></span>';
     }
     return '';
  }
+ sub selectresource_link {
+    my ($form,$reslink,$arg)=@_;
+    my $callargs = "'".&Apache::lonhtmlcommon::entity_encode($form)."','".
+                       &Apache::lonhtmlcommon::entity_encode($reslink)."'";
+    unless ($env{'request.course.id'}) { return $arg; }
+    return '<span class="LC_nobreak">'.
+               '<a href="javascript:openresbrowser('.$callargs.');">'.
+               $arg.'</a></span>';
+ }
+ sub authorbrowser_javascript {
+     return <<"ENDAUTHORBRW";
+ <script type="text/javascript" language="JavaScript">
+ // <![CDATA[
+ var stdeditbrowser;
+ function openauthorbrowser(formname,udom) {
+     var url = '/adm/pickauthor?';
+     url += 'form='+formname+'&roledom='+udom;
+     var title = 'Author_Browser';
+     var options = 'scrollbars=1,resizable=1,menubar=0';
+     options += ',width=700,height=600';
+     stdeditbrowser = open(url,title,options,'1');
+     stdeditbrowser.focus();
+ }
+ // ]]>
+ </script>
+ ENDAUTHORBRW
+ }
  sub coursebrowser_javascript {
-     my ($domainfilter,$sec_element,$formname)=@_;
+     my ($domainfilter,$sec_element,$formname,$role_element,$crstype) = @_;
-     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 $wintitle = 'Course_Browser';
-    my $output = '
+     if ($crstype eq 'Community') {
- <script type="text/javascript">
+         $wintitle = 'Community_Browser';
+     }
+     my $id_functions = &javascript_index_functions();
+     my $output = '
+ <script type="text/javascript" language="JavaScript">
+ // <![CDATA[
      var stdeditbrowser;'."\n";
-    $output .= <<"ENDSTDBRW";
-     function opencrsbrowser(formname,uname,udom,desc,extra_element,multflag,crstype) {
+     $output .= <<"ENDSTDBRW";
+     function opencrsbrowser(formname,uname,udom,desc,extra_element,multflag,type,type_elem) {
          var url = '/adm/pickcourse?';
-         var domainfilter = '';
          var formid = getFormIdByName(formname);
-         if (formid > -1) {
+         var domainfilter = getDomainFromSelectbox(formname,udom);
-             var domid = getIndexByName(formid,udom);
-             if (domid > -1) {
-                 if (document.forms[formid].elements[domid].type == 'select-one') {
-                     domainfilter=document.forms[formid].elements[domid].options[document.forms[formid].elements[domid].selectedIndex].value;
-                 }
-                 if (document.forms[formid].elements[domid].type == 'hidden') {
-                     domainfilter=document.forms[formid].elements[domid].value;
-                 }
-             }
-         }
          if (domainfilter != null) {
             if (domainfilter != '') {
                 url += 'domainfilter='+domainfilter+'&';
- Line 417  sub coursebrowser_javascript {
+ Line 563  sub coursebrowser_javascript {
              else {
                  if (formname == 'portform') {
                      url += '&setroles='+extra_element;
+                 } else {
+                     if (formname == 'rules') {
+                         url += '&fixeddom='+extra_element;
+                     }
                  }
              }
          }
-         if (multflag !=null && multflag != '') {
+         if (type != null && type != '') {
-             url += '&multiple='+multflag;
+             url += '&type='+type;
          }
-         if (crstype == 'Course/Group') {
+         if (type_elem != null && type_elem != '') {
-             if (formname == 'cu') {
+             url += '&typeelement='+type_elem;
-                 crstype = document.cu.crstype.options[document.cu.crstype.selectedIndex].value;
-                 if (crstype == "") {
-                     alert("$crs_or_grp_alert");
-                     return;
-                 }
-             }
          }
-         if (crstype !=null && crstype != '') {
+         if (formname == 'ccrs') {
-             url += '&type='+crstype;
+             var ownername = document.forms[formid].ccuname.value;
+             var ownerdom =  document.forms[formid].ccdomain.options[document.forms[formid].ccdomain.selectedIndex].value;
+             url += '&cloner='+ownername+':'+ownerdom;
          }
-         var title = 'Course_Browser';
+         if (multflag !=null && multflag != '') {
+             url += '&multiple='+multflag;
+         }
+         var title = '$wintitle';
          var options = 'scrollbars=1,resizable=1,menubar=0';
          options += ',width=700,height=600';
          stdeditbrowser = open(url,title,options,'1');
          stdeditbrowser.focus();
      }
+ $id_functions
+ ENDSTDBRW
+     if (($sec_element ne '') || ($role_element ne '')) {
+         $output .= &setsec_javascript($sec_element,$formname,$role_element);
+     }
+     $output .= '
+ // ]]>
+ </script>';
+     return $output;
+ }
+ sub javascript_index_functions {
+     return <<"ENDJS";
+ function getFormIdByName(formname) {
+     for (var i=0;i<document.forms.length;i++) {
+         if (document.forms[i].name == formname) {
+             return i;
+         }
+     }
+     return -1;
+ }
+ function getIndexByName(formid,item) {
+     for (var i=0;i<document.forms[formid].elements.length;i++) {
+         if (document.forms[formid].elements[i].name == item) {
+             return i;
+         }
+     }
+     return -1;
+ }
-     function getFormIdByName(formname) {
+ function getDomainFromSelectbox(formname,udom) {
-         for (var i=0;i<document.forms.length;i++) {
+     var userdom;
-             if (document.forms[i].name == formname) {
+     var formid = getFormIdByName(formname);
-                 return i;
+     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;
      }
+     return userdom;
+ }
+ ENDJS
+ }
-     function getIndexByName(formid,item) {
+ sub javascript_array_indexof {
-         for (var i=0;i<document.forms[formid].elements.length;i++) {
+     return <<ENDJS;
-             if (document.forms[formid].elements[i].name == item) {
+ <script type="text/javascript" language="JavaScript">
-                 return i;
+ // <![CDATA[
+ if (!Array.prototype.indexOf) {
+     Array.prototype.indexOf = function (searchElement /*, fromIndex */ ) {
+         "use strict";
+         if (this === void 0 || this === null) {
+             throw new TypeError();
+         }
+         var t = Object(this);
+         var len = t.length >>> 0;
+         if (len === 0) {
+             return -1;
+         }
+         var n = 0;
+         if (arguments.length > 0) {
+             n = Number(arguments[1]);
+             if (n !== n) { // shortcut for verifying if it is NaN
+                 n = 0;
+             } else if (n !== 0 && n !== (1 / 0) && n !== -(1 / 0)) {
+                 n = (n > 0 || -1) * Math.floor(Math.abs(n));
+             }
+         }
+         if (n >= len) {
+             return -1;
+         }
+         var k = n >= 0 ? n : Math.max(len - Math.abs(n), 0);
+         for (; k < len; k++) {
+             if (k in t && t[k] === searchElement) {
+                 return k;
              }
          }
          return -1;
      }
- ENDSTDBRW
+ }
-     if ($sec_element ne '') {
-         $output .= &setsec_javascript($sec_element,$formname);
+ // ]]>
+ </script>
+ ENDJS
+ }
+ sub userbrowser_javascript {
+     my $id_functions = &javascript_index_functions();
+     return <<"ENDUSERBRW";
+ function openuserbrowser(formname,uname,udom,ulast,ufirst,uemail,hideudom,crsdom,caller) {
+     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;
+     if ((caller != null) && (caller != undefined)) {
+         url += '&caller='+caller;
+     }
+     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,uname) {
+     var formid = getFormIdByName(formname);
+     if (formid > -1) {
+         var unameid = getIndexByName(formid,uname);
+         var domid = getIndexByName(formid,udom);
+         var hidedomid = getIndexByName(formid,origdom);
+         if (hidedomid > -1) {
+             var fixeddom = document.forms[formid].elements[hidedomid].value;
+             var unameval = document.forms[formid].elements[unameid].value;
+             if ((fixeddom != '') && (fixeddom != undefined) && (fixeddom != null) && (unameval != '') && (unameval != undefined) && (unameval != null)) {
+                 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,$formname) = @_;
+     my ($sec_element,$formname,$role_element) = @_;
+     my (@courserolenames,@communityrolenames,$rolestr,$courserolestr,
+         $communityrolestr);
+     if ($role_element ne '') {
+         my @allroles = ('st','ta','ep','in','ad');
+         foreach my $crstype ('Course','Community') {
+             if ($crstype eq 'Community') {
+                 foreach my $role (@allroles) {
+                     push(@communityrolenames,&Apache::lonnet::plaintext($role,$crstype));
+                 }
+                 push(@communityrolenames,&Apache::lonnet::plaintext('co'));
+             } else {
+                 foreach my $role (@allroles) {
+                     push(@courserolenames,&Apache::lonnet::plaintext($role,$crstype));
+                 }
+                 push(@courserolenames,&Apache::lonnet::plaintext('cc'));
+             }
+         }
+         $rolestr = '"'.join('","',@allroles).'"';
+         $courserolestr = '"'.join('","',@courserolenames).'"';
+         $communityrolestr = '"'.join('","',@communityrolenames).'"';
+     }
      my $setsections = qq|
  function setSect(sectionlist) {
      var sectionsArray = new Array();
- Line 503  function setSect(sectionlist) {
+ Line 805  function setSect(sectionlist) {
          }
      }
  }
+ function setRole(crstype) {
+ |;
+     if ($role_element eq '') {
+         $setsections .= '    return;
+ }
+ ';
+     } else {
+         $setsections .= qq|
+     var elementLength = document.$formname.$role_element.length;
+     var allroles = Array($rolestr);
+     var courserolenames = Array($courserolestr);
+     var communityrolenames = Array($communityrolestr);
+     if (elementLength != undefined) {
+         if (document.$formname.$role_element.options[5].value == 'cc') {
+             if (crstype == 'Course') {
+                 return;
+             } else {
+                 allroles[5] = 'co';
+                 for (var i=0; i<6; i++) {
+                     document.$formname.$role_element.options[i].value = allroles[i];
+                     document.$formname.$role_element.options[i].text = communityrolenames[i];
+                 }
+             }
+         } else {
+             if (crstype == 'Community') {
+                 return;
+             } else {
+                 allroles[5] = 'cc';
+                 for (var i=0; i<6; i++) {
+                     document.$formname.$role_element.options[i].value = allroles[i];
+                     document.$formname.$role_element.options[i].text = courserolenames[i];
+                 }
+             }
+         }
+     }
+     return;
+ }
  |;
+     }
      return $setsections;
  }
  sub selectcourse_link {
-    my ($form,$unameele,$udomele,$desc,$extra_element,$multflag,$selecttype)=@_;
+    my ($form,$unameele,$udomele,$desc,$extra_element,$multflag,$selecttype,
-    return "<a href='".'javascript:opencrsbrowser("'.$form.'","'.$unameele.
+        $typeelement) = @_;
-         '","'.$udomele.'","'.$desc.'","'.$extra_element.'","'.$multflag.'","'.$selecttype.'");'."'>".&mt('Select Course')."</a>";
+    my $type = $selecttype;
+    my $linktext = &mt('Select Course');
+    if ($selecttype eq 'Community') {
+        $linktext = &mt('Select Community');
+    } elsif ($selecttype eq 'Course/Community') {
+        $linktext = &mt('Select Course/Community');
+        $type = '';
+    } elsif ($selecttype eq 'Select') {
+        $linktext = &mt('Select');
+        $type = '';
+    }
+    return '<span class="LC_nobreak">'
+          ."<a href='"
+          .'javascript:opencrsbrowser("'.$form.'","'.$unameele
+          .'","'.$udomele.'","'.$desc.'","'.$extra_element
+          .'","'.$multflag.'","'.$type.'","'.$typeelement.'");'
+          ."'>".$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,$caller) = @_;
+     return '<a href="javascript:openuserbrowser('."'$form','$unameelem','$domelem',".
+            "'$lastelem','$firstelem','$emailelem','$hdomelem','$coursedom','$caller'".
+            ');">'.$linktext.'</a>';
  }
  sub check_uncheck_jscript {
- Line 519  sub check_uncheck_jscript {
+ Line 890  sub check_uncheck_jscript {
  function checkAll(field) {
      if (field.length > 0) {
          for (i = 0; i < field.length; i++) {
-             field[i].checked = true ;
+             if (!field[i].disabled) {
+                 field[i].checked = true;
+             }
          }
      } else {
-         field.checked = true
+         if (!field.disabled) {
+             field.checked = true;
+         }
      }
  }
- Line 539  ENDSCRT
+ Line 914  ENDSCRT
      return $jscript;
  }
+ sub select_timezone {
+    my ($name,$selected,$onchange,$includeempty)=@_;
+    my $output='<select name="'.$name.'" '.$onchange.'>'."\n";
+    if ($includeempty) {
+        $output .= '<option value=""';
+        if (($selected eq '') || ($selected eq 'local')) {
+            $output .= ' selected="selected" ';
+        }
+        $output .= '> </option>';
+    }
+    my @timezones = DateTime::TimeZone->all_names;
+    foreach my $tzone (@timezones) {
+        $output.= '<option value="'.$tzone.'"';
+        if ($tzone eq $selected) {
+            $output.=' selected="selected"';
+        }
+        $output.=">$tzone</option>\n";
+    }
+    $output.="</select>";
+    return $output;
+ }
+ sub select_datelocale {
+     my ($name,$selected,$onchange,$includeempty)=@_;
+     my $output='<select name="'.$name.'" '.$onchange.'>'."\n";
+     if ($includeempty) {
+         $output .= '<option value=""';
+         if ($selected eq '') {
+             $output .= ' selected="selected" ';
+         }
+         $output .= '> </option>';
+     }
+     my (@possibles,%locale_names);
+     my @locales = DateTime::Locale::Catalog::Locales;
+     foreach my $locale (@locales) {
+         if (ref($locale) eq 'HASH') {
+             my $id = $locale->{'id'};
+             if ($id ne '') {
+                 my $en_terr = $locale->{'en_territory'};
+                 my $native_terr = $locale->{'native_territory'};
+                 my @languages = &Apache::lonlocal::preferred_languages();
+                 if (grep(/^en$/,@languages) || !@languages) {
+                     if ($en_terr ne '') {
+                         $locale_names{$id} = '('.$en_terr.')';
+                     } elsif ($native_terr ne '') {
+                         $locale_names{$id} = $native_terr;
+                     }
+                 } else {
+                     if ($native_terr ne '') {
+                         $locale_names{$id} = $native_terr.' ';
+                     } elsif ($en_terr ne '') {
+                         $locale_names{$id} = '('.$en_terr.')';
+                     }
+                 }
+                 push (@possibles,$id);
+             }
+         }
+     }
+     foreach my $item (sort(@possibles)) {
+         $output.= '<option value="'.$item.'"';
+         if ($item eq $selected) {
+             $output.=' selected="selected"';
+         }
+         $output.=">$item";
+         if ($locale_names{$item} ne '') {
+             $output.="  $locale_names{$item}</option>\n";
+         }
+         $output.="</option>\n";
+     }
+     $output.="</select>";
+     return $output;
+ }
+ sub select_language {
+     my ($name,$selected,$includeempty) = @_;
+     my %langchoices;
+     if ($includeempty) {
+         %langchoices = ('' => 'No language preference');
+     }
+     foreach my $id (&languageids()) {
+         my $code = &supportedlanguagecode($id);
+         if ($code) {
+             $langchoices{$code} = &plainlanguagedescription($id);
+         }
+     }
+     return &select_form($selected,$name,\%langchoices);
+ }
+ =pod
+ =item * &list_languages()
+ Returns an array reference that is suitable for use in language prompters.
+ Each array element is itself a two element array.  The first element
+ is the language code.  The second element a descsriptiuon of the
+ language itself.  This is suitable for use in e.g.
+ &Apache::edit::select_arg (once dereferenced that is).
+ =cut
+ sub list_languages {
+     my @lang_choices;
+     foreach my $id (&languageids()) {
+ 	my $code = &supportedlanguagecode($id);
+ 	if ($code) {
+ 	    my $selector    = $supported_codes{$id};
+ 	    my $description = &plainlanguagedescription($id);
+ 	    push (@lang_choices, [$selector, $description]);
+ 	}
+     }
+     return \@lang_choices;
+ }
  =pod
- =item * linked_select_forms(...)
+ =item * &linked_select_forms(...)
  linked_select_forms returns a string containing a <script></script> block
  and html for two <select> menus.  The select menus will be linked in that
- Line 626  sub linked_select_forms {
+ Line 1115  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 $debug = '';
- Line 672  function select1_changed() {
+ Line 1162  function select1_changed() {
          }
      }
  }
+ // ]]>
  </script>
  END
      # output the initial values for the selection lists
- Line 707  END
+ Line 1198  END
  =pod
- =item * help_open_topic($topic, $text, $stayOnPage, $width, $height)
+ =item * &help_open_topic($topic,$text,$stayOnPage,$width,$height,$imgid)
  Returns a string corresponding to an HTML link to the given help
  $topic, where $topic corresponds to the name of a .tex file in
- Line 725  a new window using Javascript. (Default
+ Line 1216  a new window using Javascript. (Default
  $width and $height are optional numerical parameters that will
  override the width and height of the popped up window, which may
  be useful for certain help topics with big pictures included.
+ $imgid is the id of the img tag used for the help icon. This may be
+ used in a javascript call to switch the image src.  See
+ lonhtmlcommon::htmlareaselectactive() for an example.
  =cut
  sub help_open_topic {
-     my ($topic, $text, $stayOnPage, $width, $height) = @_;
+     my ($topic, $text, $stayOnPage, $width, $height, $imgid) = @_;
      $text = "" if (not defined $text);
      $stayOnPage = 0 if (not defined $stayOnPage);
-     if ($env{'browser.interface'} eq 'textual') {
+     $width = 500 if (not defined $width);
- 	$stayOnPage=1;
-     }
-     $width = 350 if (not defined $width);
      $height = 400 if (not defined $height);
      my $filename = $topic;
      $filename =~ s/ /_/g;
- Line 747  sub help_open_topic {
+ Line 1239  sub help_open_topic {
      $topic=~s/\W/\_/g;
      if (!$stayOnPage) {
- 	$link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
+ 	$link = "javascript:openMyModal('/adm/help/${filename}.hlp',$width,$height,'yes');";
+     } elsif ($stayOnPage eq 'popup') {
+         $link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
      } else {
  	$link = "/adm/help/${filename}.hlp";
      }
      # Add the text
      if ($text ne "") {
- 	$template .=
+ 	$template.='<span class="LC_help_open_topic">'
-             "<table bgcolor='#3333AA' cellspacing='1' cellpadding='1' border='0'><tr>".
+                   .'<a target="_top" href="'.$link.'">'
-             "<td bgcolor='#5555FF'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
+                   .$text.'</a>';
      }
-     # Add the graphic
+     # (Always) Add the graphic
      my $title = &mt('Online Help');
-     my $helpicon=&lonhttpdurl("/adm/help/gif/smallHelp.gif");
+     my $helpicon=&lonhttpdurl("/adm/help/help.png");
-     $template .= <<"ENDTEMPLATE";
+     if ($imgid ne '') {
-  <a target="_top" href="$link" title="$title"><img src="$helpicon" border="0" alt="(Help: $topic)" /></a>
+         $imgid = ' id="'.$imgid.'"';
- ENDTEMPLATE
+     }
-     if ($text ne '') { $template.='</td></tr></table>' };
+     $template.=' <a target="_top" href="'.$link.'" title="'.$title.'">'
+               .'<img src="'.$helpicon.'" border="0"'
+               .' alt="'.&mt('Help: [_1]',$topic).'"'
+               .' title="'.$title.'" style="vertical-align:middle;"'.$imgid
+               .' /></a>';
+     if ($text ne "") {
+         $template.='</span>';
+     }
      return $template;
  }
- Line 773  ENDTEMPLATE
+ Line 1274  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,$stayOnPage) = @_;
+     my $out;
      my $addOther = '';
-     if ($other) {
+     if ($topic) {
- 	$addOther = Apache::loncommon::help_open_topic($other, shift,
+ 	$addOther = '<span>'.&help_open_topic($topic,&mt($text),$stayOnPage, undef, 600).'</span> ';
- 						       undef, undef, 600) .
+     }
- 							   '</td><td>';
+     $out = '<span>' # Start cheatsheet
-     }
+ 	  .$addOther
-     return '<table><tr><td>'.
+           .'<span>'
- 	$addOther .
+ 	  .&help_open_topic('Greek_Symbols',&mt('Greek Symbols'),$stayOnPage,undef,600)
- 	&Apache::loncommon::help_open_topic("Greek_Symbols",&mt('Greek Symbols'),
+ 	  .'</span> <span>'
- 					    undef,undef,600)
+ 	  .&help_open_topic('Other_Symbols',&mt('Other Symbols'),$stayOnPage,undef,600)
- 	.'</td><td>'.
+ 	  .'</span>';
- 	&Apache::loncommon::help_open_topic("Other_Symbols",&mt('Other Symbols'),
+     unless ($not_author) {
- 					    undef,undef,600)
+         $out .= ' <span>'
- 	.'</td></tr></table>';
+ 	       .&help_open_topic('Authoring_Output_Tags',&mt('Output Tags'),$stayOnPage,undef,600)
+ 	       .'</span>';
+     }
+     $out .= '</span>'; # End cheatsheet
+     return $out;
  }
  sub general_help {
      my $helptopic='Student_Intro';
      if ($env{'request.role'}=~/^(ca|au)/) {
  	$helptopic='Authoring_Intro';
-     } elsif ($env{'request.role'}=~/^cc/) {
+     } elsif ($env{'request.role'}=~/^(cc|co)/) {
  	$helptopic='Course_Coordination_Intro';
+     } elsif ($env{'request.role'}=~/^dc/) {
+         $helptopic='Domain_Coordination_Intro';
      }
      return $helptopic;
  }
- Line 812  sub update_help_link {
+ Line 1320  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 $output;
- Line 822  ENDOUTPUT
+ Line 1332  ENDOUTPUT
  sub help_open_menu {
      my ($topic,$component_help,$faq,$bug,$stayOnPage,$width,$height,$text)
  	= @_;
-     $stayOnPage = 0 if (not defined $stayOnPage);
+     $stayOnPage = 1;
-     # only use pop-up help (stayOnPage == 0)
-     # if environment.remote is on (using remote control UI)
-     if ($env{'browser.interface'} eq 'textual' ||
-     	$env{'environment.remote'} eq 'off' ) {
-         $stayOnPage=1;
-     }
      my $output;
      if ($component_help) {
  	if (!$text) {
- Line 849  sub help_open_menu {
+ Line 1353  sub help_open_menu {
  sub top_nav_help {
      my ($text) = @_;
      $text = &mt($text);
-     my $stay_on_page =
+     my $stay_on_page = 1;
- 	($env{'browser.interface'}  eq 'textual' ||
- 	 $env{'environment.remote'} eq 'off' );
      my $link = ($stay_on_page) ? "javascript:helpMenu('display')"
  	                     : "javascript:helpMenu('open')";
      my $banner_link = &update_help_link(undef,undef,undef,undef,$stay_on_page);
- Line 866  END
+ Line 1369  END
  sub help_menu_js {
      my ($text) = @_;
+     my $stayOnPage = 1;
-     my $stayOnPage =
- 	($env{'browser.interface'}  eq 'textual' ||
- 	 $env{'environment.remote'} eq 'off' );
      my $width = 620;
      my $height = 600;
      my $helptopic=&general_help();
- Line 889  sub help_menu_js {
+ Line 1388  sub help_menu_js {
      my $template .= <<"ENDTEMPLATE";
  <script type="text/javascript">
- // <!-- BEGIN LON-CAPA Internal
  // <![CDATA[
+ // <!-- BEGIN LON-CAPA Internal
  var banner_link = '';
  function helpMenu(target) {
      var caller = this;
- Line 911  function helpMenu(target) {
+ Line 1410  function helpMenu(target) {
      return;
  }
  function writeHelp(caller) {
-     caller.document.writeln('$start_page<frame name="bannerframe"  src="'+banner_link+'" /><frame name="bodyframe" src="$details_link" /> $end_page')
+     caller.document.writeln('$start_page\\n<frame name="bannerframe" src="'+banner_link+'" />\\n<frame name="bodyframe" src="$details_link" />\\n$end_page')
      caller.document.close()
      caller.focus()
  }
- // ]]>
  // END LON-CAPA Internal -->
+ // ]]>
  </script>
  ENDTEMPLATE
      return $template;
- Line 927  sub help_open_bug {
+ Line 1426  sub help_open_bug {
      unless ($env{'user.adv'}) { return ''; }
      unless ($Apache::lonnet::perlvar{'BugzillaHost'}) { return ''; }
      $text = "" if (not defined $text);
-     $stayOnPage = 0 if (not defined $stayOnPage);
-     if ($env{'browser.interface'} eq 'textual' ||
- 	$env{'environment.remote'} eq 'off' ) {
  	$stayOnPage=1;
-     }
      $width = 600 if (not defined $width);
      $height = 600 if (not defined $height);
- Line 953  sub help_open_bug {
+ Line 1448  sub help_open_bug {
      {
  	$template .=
    "<table bgcolor='#AA3333' cellspacing='1' cellpadding='1' border='0'><tr>".
-   "<td bgcolor='#FF5555'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
+   "<td bgcolor='#FF5555'><a target=\"_top\" href=\"$link\"><span style=\"color:#FFFFFF;font-size:10pt;\">$text</span></a>";
      }
      # Add the graphic
- Line 972  sub help_open_faq {
+ Line 1467  sub help_open_faq {
      unless ($env{'user.adv'}) { return ''; }
      unless ($Apache::lonnet::perlvar{'FAQHost'}) { return ''; }
      $text = "" if (not defined $text);
-     $stayOnPage = 0 if (not defined $stayOnPage);
-     if ($env{'browser.interface'} eq 'textual' ||
- 	$env{'environment.remote'} eq 'off' ) {
  	$stayOnPage=1;
-     }
      $width = 350 if (not defined $width);
      $height = 400 if (not defined $height);
- Line 998  sub help_open_faq {
+ Line 1489  sub help_open_faq {
      {
  	$template .=
    "<table bgcolor='#337733' cellspacing='1' cellpadding='1' border='0'><tr>".
-   "<td bgcolor='#448844'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
+   "<td bgcolor='#448844'><a target=\"_top\" href=\"$link\"><span style=\"color:#FFFFFF; font-size:10pt;\">$text</span></a>";
      }
      # Add the graphic
- Line 1017  ENDTEMPLATE
+ Line 1508  ENDTEMPLATE
  =pod
- =item * change_content_javascript():
+ =item * &change_content_javascript():
  This and the next function allow you to create small sections of an
  otherwise static HTML page that you can update on the fly with
- Line 1072  DOMBASED
+ Line 1563  DOMBASED
  =pod
- =item * changable_area($name, $origContent):
+ =item * &changable_area($name,$origContent):
  This provides a "changable area" that can be modified on the fly via
  the Javascript code provided in C<change_content_javascript>. $name is
- Line 1096  sub changable_area {
+ Line 1587  sub changable_area {
  =pod
- =item * viewport_geometry_js {
+ =item * &viewport_geometry_js
  Provides javascript object (Geometry) which can provide information about the viewport geometry for the client browser.
- Line 1143  GEOMETRY
+ Line 1634  GEOMETRY
  =pod
- =item * viewport_size_js {
+ =item * &viewport_size_js()
  Provides a javascript function to set values of two form elements - width and height (elements are passed in as arguments to the javascript function) to the dimensions of the user's browser window.
- Line 1167  DIMS
+ Line 1658  DIMS
  =pod
- =item * resize_textarea_js
+ =item * &resize_textarea_js()
  emits the needed javascript to resize a textarea to be as big as possible
- Line 1176  the id of the element to resize, second
+ Line 1667  the id of the element to resize, second
  surrounds everything that comes after the textarea, this routine needs
  to be attached to the <body> for the onload and onresize events.
+ =back
  =cut
- Line 1183  sub resize_textarea_js {
+ Line 1675  sub resize_textarea_js {
      my $geometry = &viewport_geometry_js();
      return <<"RESIZE";
      <script type="text/javascript">
+ // <![CDATA[
  $geometry
  function getX(element) {
- Line 1221  function resize_textarea(textarea_id,bot
+ Line 1714  function resize_textarea(textarea_id,bot
      }
      textarea.style.height=new_height+'px';
  }
+ // ]]>
  </script>
  RESIZE
- Line 1228  RESIZE
+ Line 1722  RESIZE
  =pod
- =back
  =head1 Excel and CSV file utility routines
  =over 4
- Line 1241  RESIZE
+ Line 1733  RESIZE
  =pod
- =item * csv_translate($text)
+ =item * &csv_translate($text)
  Translate $text to allow it to be output as a 'comma separated values'
  format.
- Line 1262  sub csv_translate {
+ Line 1754  sub csv_translate {
  =pod
- =item * define_excel_formats
+ =item * &define_excel_formats()
  Define some commonly used Excel cell formats.
- Line 1292  Inputs: $workbook
+ Line 1784  Inputs: $workbook
  Returns: $format, a hash reference.
  =cut
  ###############################################################
- Line 1318  sub define_excel_formats {
+ Line 1811  sub define_excel_formats {
  =pod
- =item * create_workbook
+ =item * &create_workbook()
  Create an Excel worksheet.  If it fails, output message on the
  request object and return undefs.
- Line 1343  sub create_workbook {
+ Line 1836  sub create_workbook {
      my $workbook  = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
      if (! defined($workbook)) {
          $r->log_error("Error creating excel spreadsheet $filename: $!");
-         $r->print('<p>'.&mt("Unable to create new Excel file.  ".
+         $r->print(
-                             "This error has been logged.  ".
+             '<p class="LC_error">'
-                             "Please alert your LON-CAPA administrator").
+            .&mt('Problems occurred in creating the new Excel file.')
-                   '</p>');
+            .' '.&mt('This error has been logged.')
+            .' '.&mt('Please alert your LON-CAPA administrator.')
+            .'</p>'
+         );
          return (undef);
      }
      #
-     $workbook->set_tempdir('/home/httpd/perl/tmp');
+     $workbook->set_tempdir(LONCAPA::tempdir());
      #
      my $format = &Apache::loncommon::define_excel_formats($workbook);
      return ($workbook,$filename,$format);
- Line 1361  sub create_workbook {
+ Line 1857  sub create_workbook {
  =pod
- =item * create_text_file
+ =item * &create_text_file()
  Create a file to write to and eventually make available to the user.
  If file creation fails, outputs an error message on the request object and
- Line 1386  sub create_text_file {
+ Line 1882  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.  ".
+         $r->print(
-                   "This error has been logged.  ".
+             '<p class="LC_error">'
-                   "Please alert your LON-CAPA administrator.");
+            .&mt('Problems occurred in creating the output file.')
+            .' '.&mt('This error has been logged.')
+            .' '.&mt('Please alert your LON-CAPA administrator.')
+            .'</p>'
+         );
      }
      return ($fh,$filename)
  }
- Line 1417  sub domain_select {
+ Line 1917  sub domain_select {
  	return &multiple_select_form($name,$value,4,\%domains);
      } else {
  	$domains{'select_form_order'} = [sort {lc($a) cmp lc($b) } (keys(%domains))];
- 	return &select_form($name,$value,%domains);
+ 	return &select_form($name,$value,\%domains);
      }
  }
- Line 1429  sub domain_select {
+ Line 1929  sub domain_select {
  =over 4
- =item * multiple_select_form($name,$value,$size,$hash,$order)
+ =item * &multiple_select_form($name,$value,$size,$hash,$order)
  Returns a string containing a <select> element int multiple mode
- Line 1455  sub multiple_select_form {
+ Line 1955  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 = @{$order};
- Line 1479  sub multiple_select_form {
+ Line 1979  sub multiple_select_form {
  =pod
- =item * select_form($defdom,$name,%hash)
+ =item * &select_form($defdom,$name,$hashref,$onchange)
  Returns a string containing a <select name='$name' size='1'> form to
- allow a user to select options from a hash option_name => displayed text.
+ allow a user to select options from a ref to a hash containing:
+ option_name => displayed text. An optional $onchange can include
+ a javascript onchange item, e.g., onchange="this.form.submit();"
  See lonrights.pm for an example invocation and use.
  =cut
  #-------------------------------------------
  sub select_form {
-     my ($def,$name,%hash) = @_;
+     my ($def,$name,$hashref,$onchange) = @_;
-     my $selectform = "<select name=\"$name\" size=\"1\">\n";
+     return unless (ref($hashref) eq 'HASH');
+     if ($onchange) {
+         $onchange = ' onchange="'.$onchange.'"';
+     }
+     my $selectform = "<select name=\"$name\" size=\"1\"$onchange>\n";
      my @keys;
-     if (exists($hash{'select_form_order'})) {
+     if (exists($hashref->{'select_form_order'})) {
- 	@keys=@{$hash{'select_form_order'}};
+ 	@keys=@{$hashref->{'select_form_order'}};
      } else {
- 	@keys=sort(keys(%hash));
+ 	@keys=sort(keys(%{$hashref}));
      }
      foreach my $key (@keys) {
          $selectform.=
  	    '<option value="'.&HTML::Entities::encode($key,'"<>&').'" '.
              ($key eq $def ? 'selected="selected" ' : '').
-                 ">".&mt($hash{$key})."</option>\n";
+                 ">".$hashref->{$key}."</option>\n";
      }
      $selectform.="</select>";
      return $selectform;
- Line 1510  sub select_form {
+ Line 2017  sub select_form {
  # For display filters
  sub display_filter {
+     my ($context) = @_;
      if (!$env{'form.show'}) { $env{'form.show'}=10; }
      if (!$env{'form.displayfilter'}) { $env{'form.displayfilter'}='currentfolder'; }
-     return '<nobr><label>'.&mt('Records [_1]',
+     my $phraseinput = 'hidden';
+     my $includeinput = 'hidden';
+     my ($checked,$includetypestext);
+     if ($env{'form.displayfilter'} eq 'containing') {
+         $phraseinput = 'text';
+         if ($context eq 'parmslog') {
+             $includeinput = 'checkbox';
+             if ($env{'form.includetypes'}) {
+                 $checked = ' checked="checked"';
+             }
+             $includetypestext = &mt('Include parameter types');
+         }
+     } else {
+         $includetypestext = '&nbsp;';
+     }
+     my ($additional,$secondid,$thirdid);
+     if ($context eq 'parmslog') {
+         $additional =
+             '<label><input type="'.$includeinput.'" name="includetypes"'.
+             $checked.' name="includetypes" value="1" id="includetypes" />'.
+             '&nbsp;<span id="includetypestext">'.$includetypestext.'</span>'.
+             '</label>';
+         $secondid = 'includetypes';
+         $thirdid = 'includetypestext';
+     }
+     my $onchange = "javascript:toggleHistoryOptions(this,'containingphrase','$context',
+                                                     '$secondid','$thirdid')";
+     return '<span class="LC_nobreak"><label>'.&mt('Records: [_1]',
  			       &Apache::lonmeta::selectbox('show',$env{'form.show'},undef,
  							   (&mt('all'),10,20,50,100,1000,10000))).
- 	   '</label></nobr> <nobr>'.
+ 	   '</label></span> <span class="LC_nobreak">'.
-            &mt('Filter [_1]',
+            &mt('Filter: [_1]',
  	   &select_form($env{'form.displayfilter'},
  			'displayfilter',
- 			('currentfolder' => 'Current folder/page',
+ 			{'currentfolder' => 'Current folder/page',
  			 'containing' => 'Containing phrase',
- 			 'none' => 'None'))).
+ 			 'none' => 'None'},$onchange)).'&nbsp;'.
- 			 '<input type="text" name="containingphrase" size="30" value="'.&HTML::Entities::encode($env{'form.containingphrase'}).'" /></nobr>';
+ 			 '<input type="'.$phraseinput.'" name="containingphrase" id="containingphrase" size="30" value="'.
+                          &HTML::Entities::encode($env{'form.containingphrase'}).
+                          '" />'.$additional;
+ }
+ sub display_filter_js {
+     my $includetext = &mt('Include parameter types');
+     return <<"ENDJS";
+ function toggleHistoryOptions(setter,firstid,context,secondid,thirdid) {
+     var firstType = 'hidden';
+     if (setter.options[setter.selectedIndex].value == 'containing') {
+         firstType = 'text';
+     }
+     firstObject = document.getElementById(firstid);
+     if (typeof(firstObject) == 'object') {
+         if (firstObject.type != firstType) {
+             changeInputType(firstObject,firstType);
+         }
+     }
+     if (context == 'parmslog') {
+         var secondType = 'hidden';
+         if (firstType == 'text') {
+             secondType = 'checkbox';
+         }
+         secondObject = document.getElementById(secondid);
+         if (typeof(secondObject) == 'object') {
+             if (secondObject.type != secondType) {
+                 changeInputType(secondObject,secondType);
+             }
+         }
+         var textItem = document.getElementById(thirdid);
+         var currtext = textItem.innerHTML;
+         var newtext;
+         if (firstType == 'text') {
+             newtext = '$includetext';
+         } else {
+             newtext = '&nbsp;';
+         }
+         if (currtext != newtext) {
+             textItem.innerHTML = newtext;
+         }
+     }
+     return;
+ }
+ function changeInputType(oldObject,newType) {
+     var newObject = document.createElement('input');
+     newObject.type = newType;
+     if (oldObject.size) {
+         newObject.size = oldObject.size;
+     }
+     if (oldObject.value) {
+         newObject.value = oldObject.value;
+     }
+     if (oldObject.name) {
+         newObject.name = oldObject.name;
+     }
+     if (oldObject.id) {
+         newObject.id = oldObject.id;
+     }
+     oldObject.parentNode.replaceChild(newObject,oldObject);
+     return;
+ }
+ ENDJS
  }
  sub gradeleveldescription {
- Line 1566  sub select_level_form {
+ Line 2166  sub select_level_form {
  =pod
- =item * select_dom_form($defdom,$name,$includeempty,$showdomdesc)
+ =item * &select_dom_form($defdom,$name,$includeempty,$showdomdesc,$onchange,$incdoms)
  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 1575  See loncreateuser.pm for an example invo
+ Line 2175  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.
+ The optional $incdoms is a reference to an array of domains which will be the only available options.
  =cut
  #-------------------------------------------
  sub select_dom_form {
-     my ($defdom,$name,$includeempty,$showdomdesc) = @_;
+     my ($defdom,$name,$includeempty,$showdomdesc,$onchange,$incdoms) = @_;
-     my @domains = sort {lc($a) cmp lc($b)} (&Apache::lonnet::all_domains());
+     if ($onchange) {
+         $onchange = ' onchange="'.$onchange.'"';
+     }
+     my @domains;
+     if (ref($incdoms) eq 'ARRAY') {
+         @domains = sort {lc($a) cmp lc($b)} (@{$incdoms});
+     } else {
+         @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 1606  sub select_dom_form {
+ Line 2218  sub select_dom_form {
  =pod
- =item * home_server_form_item($domain,$name,$defaultflag)
+ =item * &home_server_form_item($domain,$name,$defaultflag)
  input: 4 arguments (two required, two optional) -
      $domain - domain of new user
- Line 1640  sub home_server_form_item {
+ Line 2252  sub home_server_form_item {
      if ($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 1766  sub decode_user_agent {
+ Line 2378  sub decode_user_agent {
  =over 4
- =item * authform_xxxxxx
+ =item * &authform_xxxxxx()
  The authform_xxxxxx subroutines provide javascript and html forms which
  handle some of the conveniences required for authentication forms.
  This is not an optimal method, but it works.
- See loncreateuser.pm for invocation and use examples.
  =over 4
  =item * authform_header
- Line 1790  See loncreateuser.pm for invocation and
+ Line 2400  See loncreateuser.pm for invocation and
  =back
- =back
+ See loncreateuser.pm for invocation and use examples.
  =cut
- Line 1881  function changed_text(choice,currentform
+ Line 2491  function changed_text(choice,currentform
  }
  function set_auth_radio_buttons(newvalue,currentform) {
+     var numauthchoices = currentform.login.length;
+     if (typeof numauthchoices  == "undefined") {
+         return;
+     }
      var i=0;
-     while (i < currentform.login.length) {
+     while (i < numauthchoices) {
          if (currentform.login[i].value == newvalue) { break; }
          i++;
      }
-     if (i == currentform.login.length) {
+     if (i == numauthchoices) {
          return;
      }
      current.radiovalue = newvalue;
- Line 1937  sub authform_kerberos {
+ Line 2551  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') {
                      $krbcheck = '';
- Line 1952  sub authform_kerberos {
+ Line 2566  sub authform_kerberos {
              }
              if (defined($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"';
                      $check5 = '';
                  }
              }
- Line 1976  sub authform_kerberos {
+ Line 2590  sub authform_kerberos {
          }
      } else {
          if ($authnum == 1) {
-             $authtype = '<input type="hidden" name="login" value="krb">';
+             $authtype = '<input type="hidden" name="login" value="krb" />';
          }
      }
      if (!$can_assign{'krb4'} && !$can_assign{'krb5'}) {
- Line 1985  sub authform_kerberos {
+ Line 2599  sub authform_kerberos {
          if (defined($in{'mode'})) {
              if ($in{'mode'} eq 'modifycourse') {
                  if ($authnum == 1) {
-                     $authtype = '<input type="hidden" name="login" value="krb">';
+                     $authtype = '<input type="hidden" name="login" value="krb" />';
                  }
              }
          }
- Line 2046  sub authform_internal{
+ Line 2660  sub authform_internal{
      if (defined($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') {
                          $intcheck = '';
- Line 2062  sub authform_internal{
+ Line 2676  sub authform_internal{
          }
      } else {
          if ($authnum == 1) {
-             $authtype = '<input type="hidden" name="login" value="int">';
+             $authtype = '<input type="hidden" name="login" value="int" />';
          }
      }
      if (!$can_assign{'int'}) {
- Line 2071  sub authform_internal{
+ Line 2685  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 2086  sub authform_internal{
+ Line 2700  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 $result;
  }
- Line 2101  sub authform_local{
+ Line 2715  sub authform_local{
      if (defined($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') {
                          $loccheck = '';
- Line 2117  sub authform_local{
+ Line 2731  sub authform_local{
          }
      } else {
          if ($authnum == 1) {
-             $authtype = '<input type="hidden" name="login" value="loc">';
+             $authtype = '<input type="hidden" name="login" value="loc" />';
          }
      }
      if (!$can_assign{'loc'}) {
- Line 2126  sub authform_local{
+ Line 2740  sub authform_local{
          if (defined($in{'mode'})) {
              if ($in{'mode'} eq 'modifycourse') {
                  if ($authnum == 1) {
-                     $authtype = '<input type="hidden" name="login" value="loc">';
+                     $authtype = '<input type="hidden" name="login" value="loc" />';
                  }
              }
          }
- Line 2155  sub authform_filesystem{
+ Line 2769  sub authform_filesystem{
      if (defined($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') {
                          $fsyscheck = '';
- Line 2168  sub authform_filesystem{
+ Line 2782  sub authform_filesystem{
          }
      } else {
          if ($authnum == 1) {
-             $authtype = '<input type="hidden" name="login" value="fsys">';
+             $authtype = '<input type="hidden" name="login" value="fsys" />';
          }
      }
      if (!$can_assign{'fsys'}) {
- Line 2177  sub authform_filesystem{
+ Line 2791  sub authform_filesystem{
          if (defined($in{'mode'})) {
              if ($in{'mode'} eq 'modifycourse') {
                  if ($authnum == 1) {
-                     $authtype = '<input type="hidden" name="login" value="fsys">';
+                     $authtype = '<input type="hidden" name="login" value="fsys" />';
                  }
              }
          }
- Line 2242  sub get_assignable_auth {
+ Line 2856  sub get_assignable_auth {
  }
  ###############################################################
- ##    Get Authentication Defaults for Domain                 ##
- ###############################################################
- =pod
- =head1 Domains and Authentication
- Returns default authentication type and an associated argument as
- listed in file 'domain.tab'.
- =over 4
- =item * get_auth_defaults
- get_auth_defaults($target_domain) returns the default authentication
- type and an associated argument (initial password or a kerberos domain).
- These values are stored in lonTabs/domain.tab
- ($def_auth, $def_arg) = &get_auth_defaults($target_domain);
- If target_domain is not found in domain.tab, returns nothing ('').
- =cut
- #-------------------------------------------
- sub get_auth_defaults {
-     my $domain=shift;
-     return (&Apache::lonnet::domain($domain,'auth_def'),
- 	    &Apache::lonnet::domain($domain,'auth_arg_def'));
- }
- ###############################################################
- ##   End Get Authentication Defaults for Domain              ##
- ###############################################################
- ###############################################################
  ##    Get Kerberos Defaults for Domain                 ##
  ###############################################################
  ##
- Line 2289  sub get_auth_defaults {
+ Line 2867  sub get_auth_defaults {
  =pod
- =item * get_kerberos_defaults
+ =item * &get_kerberos_defaults()
  get_kerberos_defaults($target_domain) returns the default kerberos
- version and domain. If not found in domain.tabs, it defaults to
+ version and domain. If not found, it defaults to version 4 and the
- version 4 and the domain of the server.
+ domain of the server.
+ =over 4
  ($def_version, $def_krb_domain) = &get_kerberos_defaults($target_domain);
+ =back
+ =back
  =cut
  #-------------------------------------------
  sub get_kerberos_defaults {
      my $domain=shift;
-     my ($krbdef,$krbdefdom) =
+     my ($krbdef,$krbdefdom);
-         &Apache::loncommon::get_auth_defaults($domain);
+     my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
-     unless ($krbdef =~/^krb/ && $krbdefdom) {
+     if (($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) {
+         $krbdef = $domdefaults{'auth_def'};
+         $krbdefdom = $domdefaults{'auth_arg_def'};
+     } else {
          $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
          my $krbdefdom=$1;
          $krbdefdom=~tr/a-z/A-Z/;
- Line 2313  sub get_kerberos_defaults {
+ Line 2900  sub get_kerberos_defaults {
      return ($krbdef,$krbdefdom);
  }
- =pod
- =back
- =cut
  ###############################################################
  ##                Thesaurus Functions                        ##
- Line 2329  sub get_kerberos_defaults {
+ Line 2911  sub get_kerberos_defaults {
  =over 4
- =item * initialize_keywords
+ =item * &initialize_keywords()
  Initializes the package variable %Keywords if it is empty.  Uses the
  package variable $thesaurus_db_file.
- Line 2374  sub initialize_keywords {
+ Line 2956  sub initialize_keywords {
  =pod
- =item * keyword($word)
+ =item * &keyword($word)
  Returns true if $word is a keyword.  A keyword is a word that appears more
  than the average number of times in the thesaurus database.  Calls
- Line 2395  sub keyword {
+ Line 2977  sub keyword {
  =pod
- =item * get_related_words
+ =item * &get_related_words()
  Look up a word in the thesaurus.  Takes a scalar argument and returns
  an array of words.  If the keyword is not in the thesaurus, an empty array
- Line 2404  database which holds them.
+ Line 2986  database which holds them.
  Uses global $thesaurus_db_file.
  =cut
  ###############################################################
- Line 2439  sub get_related_words {
+ Line 3022  sub get_related_words {
      untie %thesaurus_db;
      return @Words;
  }
+ ###############################################################
+ #
+ #  Spell checking
+ #
+ =pod
+ =head1 Spell checking
+ =over 4
+ =item * &check_spelling($wordlist $language)
+ Takes a string containing words and feeds it to an external
+ spellcheck program via a pipeline. Returns a string containing
+ them mis-spelled words.
+ Parameters:
+ =over 4
+ =item - $wordlist
+ String that will be fed into the spellcheck program.
+ =item - $language
+ Language string that specifies the language for which the spell
+ check will be performed.
+ =back
+ =back
+ Note: This sub assumes that aspell is installed.
+ =cut
  =pod
- Line 2446  sub get_related_words {
+ Line 3068  sub get_related_words {
  =cut
+ sub check_spelling {
+     my ($wordlist, $language) = @_;
+     my @misspellings;
+     # Generate the speller and set the langauge.
+     # if explicitly selected:
+     my $speller = Text::Aspell->new;
+     if ($language) {
+ 	$speller->set_option('lang', $language);
+     }
+     # Turn the word list into an array of words by splittingon whitespace
+     my @words = split(/\s+/, $wordlist);
+     foreach my $word (@words) {
+ 	if(! $speller->check($word)) {
+ 	    push(@misspellings, $word);
+ 	}
+     }
+     return join(' ', @misspellings);
+ }
  # -------------------------------------------------------------- Plaintext name
  =pod
- Line 2453  sub get_related_words {
+ Line 3100  sub get_related_words {
  =over 4
- =item * plainname($uname,$udom,$first)
+ =item * &plainname($uname,$udom,$first)
  Takes a users logon name and returns it as a string in
  "first middle last generation" form
- Line 2482  sub plainname {
+ Line 3129  sub plainname {
  # -------------------------------------------------------------------- Nickname
  =pod
- =item * nickname($uname,$udom)
+ =item * &nickname($uname,$udom)
  Gets a users name and returns it as a string as
- Line 2532  sub getnames {
+ Line 3179  sub getnames {
  }
  # -------------------------------------------------------------------- getemails
  =pod
- =item * getemails($uname,$udom)
+ =item * &getemails($uname,$udom)
  Gets a user's email information and returns it as a hash with keys:
  notification, critnotification, permanentemail
  For notification and critnotification, values are comma-separated lists
- of e-mail address(es); for permanentemail, value is a single e-mail address.
+ of e-mail addresses; for permanentemail, value is a single e-mail address.
  =cut
  sub getemails {
      my ($uname,$udom)=@_;
      if ($udom eq 'public' && $uname eq 'public') {
- Line 2574  sub flush_email_cache {
+ Line 3224  sub flush_email_cache {
      &Apache::lonnet::devalidate_cache_new('emailscache',$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
- =item * screenname($uname,$udom)
+ =item * &screenname($uname,$udom)
  Gets a users screenname and returns it as a string
- Line 2593  sub screenname {
+ Line 3280  sub screenname {
  }
+ # ------------------------------------------------------------- Confirm Wrapper
+ =pod
+ =item confirmwrapper
+ Wrap messages about completion of operation in box
+ =cut
+ sub confirmwrapper {
+     my ($message)=@_;
+     if ($message) {
+         return "\n".'<div class="LC_confirm_box">'."\n"
+                .$message."\n"
+                .'</div>'."\n";
+     } else {
+         return $message;
+     }
+ }
  # ------------------------------------------------------------- Message Wrapper
  sub messagewrapper {
- Line 2603  sub messagewrapper {
+ Line 3310  sub messagewrapper {
  	'&amp;subject='.&escape($subject).'&amp;text='.&escape($text).'" '.
          'title="'.&mt('Send message').'">'.$link.'</a>';
  }
  # --------------------------------------------------------------- Notes Wrapper
  sub noteswrapper {
      my ($link,$un,$do)=@_;
      return
- "<a href='/adm/email?recordftf=retrieve&recname=$un&recdom=$do'>$link</a>";
+ "<a href='/adm/email?recordftf=retrieve&amp;recname=$un&amp;recdom=$do'>$link</a>";
  }
  # ------------------------------------------------------------- Aboutme Wrapper
  sub aboutmewrapper {
-     my ($link,$username,$domain,$target)=@_;
+     my ($link,$username,$domain,$target,$class)=@_;
      if (!defined($username)  && !defined($domain)) {
          return;
      }
      return '<a href="/adm/'.$domain.'/'.$username.'/aboutme"'.
- 	($target?' target="$target"':'').' title="'.&mt("View this user's personal page").'">'.$link.'</a>';
+ 	($target?' target="'.$target.'"':'').($class?' class="'.$class.'"':'').' title="'.&mt("View this user's personal information page").'">'.$link.'</a>';
  }
  # ------------------------------------------------------------ Syllabus Wrapper
  sub syllabuswrapper {
-     my ($linktext,$coursedir,$domain,$fontcolor)=@_;
+     my ($linktext,$coursedir,$domain)=@_;
-     if ($fontcolor) {
-         $linktext='<font color="'.$fontcolor.'">'.$linktext.'</font>';
-     }
      return qq{<a href="/public/$domain/$coursedir/syllabus">$linktext</a>};
  }
+ # -----------------------------------------------------------------------------
  sub track_student_link {
-     my ($linktext,$sname,$sdom,$target,$start) = @_;
+     my ($linktext,$sname,$sdom,$target,$start,$only_body) = @_;
      my $link ="/adm/trackstudent?";
      my $title = 'View recent activity';
      if (defined($sname) && $sname !~ /^\s*$/ &&
- Line 2647  sub track_student_link {
+ Line 3354  sub track_student_link {
          $target = '';
      }
      if ($start) { $link.='&amp;start='.$start; }
+     if ($only_body) { $link .= '&amp;only_body=1'; }
      $title = &mt($title);
      $linktext = &mt($linktext);
      return qq{<a href="$link" title="$title" $target>$linktext</a>}.
  	&help_open_topic('View_recent_activity');
  }
+ sub slot_reservations_link {
+     my ($linktext,$sname,$sdom,$target) = @_;
+     my $link ="/adm/slotrequest?command=showresv&amp;origin=aboutme";
+     my $title = 'View slot reservation history';
+     if (defined($sname) && $sname !~ /^\s*$/ &&
+         defined($sdom)  && $sdom  !~ /^\s*$/) {
+         $link .= "&amp;uname=$sname&amp;udom=$sdom";
+         $title .= ' of this student';
+     }
+     if (defined($target) && $target !~ /^\s*$/) {
+         $target = qq{target="$target"};
+     } else {
+         $target = '';
+     }
+     $title = &mt($title);
+     $linktext = &mt($linktext);
+     return qq{<a href="$link" title="$title" $target>$linktext</a>};
+ # FIXME uncomment when help item created: &help_open_topic('Slot_Reservation_History');
+ }
  # ===================================================== Display a student photo
- Line 2674  sub student_image_tag {
+ Line 3403  sub student_image_tag {
  =over 4
- =item * languageids()
+ =item * &languageids()
  returns list of all language ids
- Line 2686  sub languageids {
+ Line 3415  sub languageids {
  =pod
- =item * languagedescription()
+ =item * &languagedescription()
  returns description of a specified language id
- Line 2699  sub languagedescription {
+ Line 3428  sub languagedescription {
  	    ($supported_language{$code}?' ('.&mt('interface available').')':'');
  }
+ =pod
+ =item * &plainlanguagedescription
+ Returns both the plain language description (e.g. 'Creoles and Pidgins, English-based (Other)')
+ and the language character encoding (e.g. ISO) separated by a ' - ' string.
+ =cut
  sub plainlanguagedescription {
      my $code=shift;
      return $language{$code};
  }
+ =pod
+ =item * &supportedlanguagecode
+ Returns the supported language code (e.g. sptutf maps to pt) given a language
+ code.
+ =cut
  sub supportedlanguagecode {
      my $code=shift;
      return $supported_language{$code};
- Line 2711  sub supportedlanguagecode {
+ Line 3458  sub supportedlanguagecode {
  =pod
- =item * copyrightids()
+ =item * &latexlanguage()
+ Given a language key code returns the correspondnig language to use
+ to select the correct hyphenation on LaTeX printouts.  This is undef if there
+ is no supported hyphenation for the language code.
+ =cut
+ sub latexlanguage {
+     my $code = shift;
+     return $latex_language{$code};
+ }
+ =pod
+ =item * &latexhyphenation()
+ Same as above but what's supplied is the language as it might be stored
+ in the metadata.
+ =cut
+ sub latexhyphenation {
+     my $key = shift;
+     return $latex_language_bykey{$key};
+ }
+ =pod
+ =item * &copyrightids()
  returns list of all copyrights
- Line 2723  sub copyrightids {
+ Line 3499  sub copyrightids {
  =pod
- =item * copyrightdescription()
+ =item * &copyrightdescription()
  returns description of a specified copyright id
- Line 2735  sub copyrightdescription {
+ Line 3511  sub copyrightdescription {
  =pod
- =item * source_copyrightids()
+ =item * &source_copyrightids()
  returns list of all source copyrights
- Line 2747  sub source_copyrightids {
+ Line 3523  sub source_copyrightids {
  =pod
- =item * source_copyrightdescription()
+ =item * &source_copyrightdescription()
  returns description of a specified source copyright id
- Line 2759  sub source_copyrightdescription {
+ Line 3535  sub source_copyrightdescription {
  =pod
- =item * filecategories()
+ =item * &filecategories()
  returns list of all file categories
- Line 2771  sub filecategories {
+ Line 3547  sub filecategories {
  =pod
- =item * filecategorytypes()
+ =item * &filecategorytypes()
  returns list of file types belonging to a given file
  category
- Line 2785  sub filecategorytypes {
+ Line 3561  sub filecategorytypes {
  =pod
- =item * fileembstyle()
+ =item * &fileembstyle()
  returns embedding style for a specified file type
- Line 2803  sub filemimetype {
+ Line 3579  sub filemimetype {
  sub filecategoryselect {
      my ($name,$value)=@_;
      return &select_form($value,$name,
- 			'' => &mt('Any category'),
+                         {'' => &mt('Any category'), map { $_,$_ } sort(keys(%category_extensions))});
- 			map { $_,$_ } sort(keys(%category_extensions)));
  }
  =pod
- =item * filedescription()
+ =item * &filedescription()
  returns description for a specified file type
- Line 2823  sub filedescription {
+ Line 3598  sub filedescription {
  =pod
- =item * filedescriptionex()
+ =item * &filedescriptionex()
  returns description for a specified file type with
  extra formatting
- Line 2855  sub fileextensions {
+ Line 3630  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($ENV{'QUERY_STRING'},['displaylanguage']);
- Line 2867  sub display_languages {
+ Line 3642  sub display_languages {
      return %languages;
  }
- sub preferred_languages {
-     my @languages=();
-     if ($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*/,$browser));
- 	push(@languages,@browser);
-     }
-     if (&Apache::lonnet::domain($env{'user.domain'},'lang_def')) {
- 	@languages=(@languages,
- 		    &Apache::lonnet::domain($env{'user.domain'},
- 					    'lang_def'));
-     }
-     if (&Apache::lonnet::domain($env{'request.role.domain'},'lang_def')) {
- 	@languages=(@languages,
- 		    &Apache::lonnet::domain($env{'request.role.domain'},
- 					    'lang_def'));
-     }
-     if (&Apache::lonnet::domain($Apache::lonnet::perlvar{'lonDefDomain'},
- 				'lang_def')) {
- 	@languages=(@languages,
- 		    &Apache::lonnet::domain($Apache::lonnet::perlvar{'lonDefDomain'},
- 					    '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 2937  sub languages {
+ Line 3665  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 $user_lh;
+ }
  ###############################################################
  ##               Student Answer Attempts                     ##
  ###############################################################
- Line 2947  sub languages {
+ Line 3698  sub languages {
  =over 4
- =item * get_previous_attempt($symb, $username, $domain, $course,
+ =item * &get_previous_attempt($symb, $username, $domain, $course,
      $getattempt, $regexp, $gradesub)
  Return string with previous attempt on problem. Arguments:
- Line 2993  sub get_previous_attempt {
+ Line 3744  sub get_previous_attempt {
        }
        $prevattempts=&start_data_table().&start_data_table_header_row();
        $prevattempts.='<th>'.&mt('History').'</th>';
+       my (%typeparts,%lasthidden);
+       my $showsurv=&Apache::lonnet::allowed('vas',$env{'request.course.id'});
        foreach my $key (sort(keys(%lasthash))) {
  	my ($ign,@parts) = split(/\./,$key);
  	if ($#parts > 0) {
  	  my $data=$parts[-1];
+           next if ($data eq 'foilorder');
  	  pop(@parts);
- 	  $prevattempts.='<th>'.&mt('Part ').join('.',@parts).'<br />'.$data.'&nbsp;</th>';
+           $prevattempts.='<th>'.&mt('Part ').join('.',@parts).'<br />'.$data.'&nbsp;</th>';
+           if ($data eq 'type') {
+               unless ($showsurv) {
+                   my $id = join(',',@parts);
+                   $typeparts{$ign.'.'.$id} = $lasthash{$key};
+                   if (($lasthash{$key} eq 'anonsurvey') || ($lasthash{$key} eq 'anonsurveycred')) {
+                       $lasthidden{$ign.'.'.$id} = 1;
+                   }
+               }
+           }
  	} else {
  	  if ($#parts == 0) {
  	    $prevattempts.='<th>'.$parts[0].'</th>';
- Line 3010  sub get_previous_attempt {
+ Line 3773  sub get_previous_attempt {
        $prevattempts.=&end_data_table_header_row();
        if ($getattempt eq '') {
  	for ($version=1;$version<=$returnhash{'version'};$version++) {
- 	  $prevattempts.=&start_data_table_row().
+             my @hidden;
- 	      '<td>'.&mt('Transaction [_1]',$version).'</td>';
+             if (%typeparts) {
- 	    foreach my $key (sort(keys(%lasthash))) {
+                 foreach my $id (keys(%typeparts)) {
- 		my $value = &format_previous_attempt_value($key,
+                     if (($returnhash{$version.':'.$id.'.type'} eq 'anonsurvey') || ($returnhash{$version.':'.$id.'.type'} eq 'anonsurveycred')) {
- 							   $returnhash{$version.':'.$key});
+                         push(@hidden,$id);
- 		$prevattempts.='<td>'.$value.'&nbsp;</td>';
+                     }
- 	    }
+                 }
- 	  $prevattempts.=&end_data_table_row();
+             }
+             $prevattempts.=&start_data_table_row().
+                            '<td>'.&mt('Transaction [_1]',$version).'</td>';
+             if (@hidden) {
+                 foreach my $key (sort(keys(%lasthash))) {
+                     next if ($key =~ /\.foilorder$/);
+                     my $hide;
+                     foreach my $id (@hidden) {
+                         if ($key =~ /^\Q$id\E/) {
+                             $hide = 1;
+                             last;
+                         }
+                     }
+                     if ($hide) {
+                         my ($id,$data) = ($key =~ /^(.+)\.([^.]+)$/);
+                         if (($data eq 'award') || ($data eq 'awarddetail')) {
+                             my $value = &format_previous_attempt_value($key,
+                                              $returnhash{$version.':'.$key});
+                             $prevattempts.='<td>'.$value.'&nbsp;</td>';
+                         } else {
+                             $prevattempts.='<td>&nbsp;</td>';
+                         }
+                     } else {
+                         if ($key =~ /\./) {
+                             my $value = &format_previous_attempt_value($key,
+                                               $returnhash{$version.':'.$key});
+                             $prevattempts.='<td>'.$value.'&nbsp;</td>';
+                         } else {
+                             $prevattempts.='<td>&nbsp;</td>';
+                         }
+                     }
+                 }
+             } else {
+ 	        foreach my $key (sort(keys(%lasthash))) {
+                     next if ($key =~ /\.foilorder$/);
+ 		    my $value = &format_previous_attempt_value($key,
+ 			            $returnhash{$version.':'.$key});
+ 		    $prevattempts.='<td>'.$value.'&nbsp;</td>';
+ 	        }
+             }
+ 	    $prevattempts.=&end_data_table_row();
  	 }
        }
+       my @currhidden = keys(%lasthidden);
        $prevattempts.=&start_data_table_row().'<td>'.&mt('Current').'</td>';
        foreach my $key (sort(keys(%lasthash))) {
- 	my $value = &format_previous_attempt_value($key,$lasthash{$key});
+           next if ($key =~ /\.foilorder$/);
- 	if ($key =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)}
+           if (%typeparts) {
- 	$prevattempts.='<td>'.$value.'&nbsp;</td>';
+               my $hidden;
+               foreach my $id (@currhidden) {
+                   if ($key =~ /^\Q$id\E/) {
+                       $hidden = 1;
+                       last;
+                   }
+               }
+               if ($hidden) {
+                   my ($id,$data) = ($key =~ /^(.+)\.([^.]+)$/);
+                   if (($data eq 'award') || ($data eq 'awarddetail')) {
+                       my $value = &format_previous_attempt_value($key,$lasthash{$key});
+                       if ($key =~/$regexp$/ && (defined &$gradesub)) {
+                           $value = &$gradesub($value);
+                       }
+                       $prevattempts.='<td>'.$value.'&nbsp;</td>';
+                   } else {
+                       $prevattempts.='<td>&nbsp;</td>';
+                   }
+               } else {
+                   my $value = &format_previous_attempt_value($key,$lasthash{$key});
+                   if ($key =~/$regexp$/ && (defined &$gradesub)) {
+                       $value = &$gradesub($value);
+                   }
+                   $prevattempts.='<td>'.$value.'&nbsp;</td>';
+               }
+           } else {
+ 	      my $value = &format_previous_attempt_value($key,$lasthash{$key});
+ 	      if ($key =~/$regexp$/ && (defined &$gradesub)) {
+                   $value = &$gradesub($value);
+               }
+ 	      $prevattempts.='<td>'.$value.'&nbsp;</td>';
+           }
        }
        $prevattempts.= &end_data_table_row().&end_data_table();
      } else {
- Line 3043  sub get_previous_attempt {
+ Line 3878  sub get_previous_attempt {
  sub format_previous_attempt_value {
      my ($key,$value) = @_;
-     if ($key =~ /timestamp/) {
+     if (($key =~ /timestamp/) || ($key=~/duedate/)) {
  	$value = &Apache::lonlocal::locallocaltime($value);
      } elsif (ref($value) eq 'ARRAY') {
  	$value = '('.join(', ', @{ $value }).')';
+     } elsif ($key =~ /answerstring$/) {
+         my %answers = &Apache::lonnet::str2hash($value);
+         my @anskeys = sort(keys(%answers));
+         if (@anskeys == 1) {
+             my $answer = $answers{$anskeys[0]};
+             if ($answer =~ m{\0}) {
+                 $answer =~ s{\0}{,}g;
+             }
+             my $tag_internal_answer_name = 'INTERNAL';
+             if ($anskeys[0] eq $tag_internal_answer_name) {
+                 $value = $answer;
+             } else {
+                 $value = $anskeys[0].'='.$answer;
+             }
+         } else {
+             foreach my $ans (@anskeys) {
+                 my $answer = $answers{$ans};
+                 if ($answer =~ m{\0}) {
+                     $answer =~ s{\0}{,}g;
+                 }
+                 $value .=  $ans.'='.$answer.'<br />';;
+             }
+         }
      } else {
  	$value = &unescape($value);
      }
- Line 3075  sub relative_to_absolute {
+ Line 3933  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 3091  sub relative_to_absolute {
+ Line 3949  sub relative_to_absolute {
  =pod
- =item * get_student_view
+ =item * &get_student_view()
  show a snapshot of what student was looking at
- Line 3110  sub get_student_view {
+ Line 3968  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 3119  sub get_student_view {
+ Line 3977  sub get_student_view {
    $userview=~s/\<\/head\>//gi;
    $userview=~s/action\s*\=/would_be_action\=/gi;
    $userview=&relative_to_absolute($feedurl,$userview);
-   return $userview;
+   if (wantarray) {
+      return ($userview,$response);
+   } else {
+      return $userview;
+   }
+ }
+ sub get_student_view_with_retries {
+   my ($symb,$retries,$username,$domain,$courseid,$target,$moreenv) = @_;
+     my $ok = 0;                 # True if we got a good response.
+     my $content;
+     my $response;
+     # Try to get the student_view done. within the retries count:
+     do {
+          ($content, $response) = &get_student_view($symb,$username,$domain,$courseid,$target,$moreenv);
+          $ok      = $response->is_success;
+          if (!$ok) {
+             &Apache::lonnet::logthis("Failed get_student_view_with_retries on $symb: ".$response->is_success.', '.$response->code.', '.$response->message);
+          }
+          $retries--;
+     } while (!$ok && ($retries > 0));
+     if (!$ok) {
+        $content = '';          # On error return an empty content.
+     }
+     if (wantarray) {
+        return ($content, $response);
+     } else {
+        return $content;
+     }
  }
  =pod
- =item * get_student_answers()
+ =item * &get_student_answers()
  show a snapshot of how student was answering problem
- Line 3165  sub submlink {
+ Line 4055  sub submlink {
      }
      if (!$symb) { $symb=&Apache::lonnet::symbread(); }
      $symb=&escape($symb);
-     if ($target) { $target="target=\"$target\""; }
+     if ($target) { $target=" target=\"$target\""; }
-     return '<a href="/adm/grades?&command=submission&'.
+     return
- 	'symb='.$symb.'&student='.$uname.
+         '<a href="/adm/grades?command=submission'.
- 	'&userdom='.$udom.'" '.$target.'>'.$text.'</a>';
+         '&amp;symb='.$symb.
+         '&amp;student='.$uname.
+         '&amp;userdom='.$udom.'"'.
+         $target.'>'.$text.'</a>';
  }
  ##############################################
- Line 3228  sub pprmlink {
+ Line 4121  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'   => $dt->is_dst() );
  }
  sub utc_string {
- Line 3247  sub utc_string {
+ Line 4145  sub utc_string {
  sub maketime {
      my %th=@_;
+     my ($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,$th{'year'}-1900,0,0,-1));
- Line 3271  sub findallcourses {
+ Line 4187  sub findallcourses {
          if (!%roles) {
              %roles = (
                         cc => 1,
+                        co => 1,
                         in => 1,
                         ep => 1,
                         ta => 1,
- Line 3291  sub findallcourses {
+ Line 4208  sub findallcourses {
              if ($tstart) {
                  next if ($tstart > $now);
              }
-             my ($cdom,$cnum,$sec,$cnumpart,$secpart,$role,$realsec);
+             my ($cdom,$cnum,$sec,$cnumpart,$secpart,$role);
              (undef,$cdom,$cnumpart,$secpart) = split(/\//,$entry);
+             my $value = $trole.'/'.$cdom.'/';
              if ($secpart eq '') {
                  ($cnum,$role) = split(/_/,$cnumpart);
                  $sec = 'none';
-                 $realsec = '';
+                 $value .= $cnum.'/';
              } else {
                  $cnum = $cnumpart;
                  ($sec,$role) = split(/_/,$secpart);
-                 $realsec = $sec;
+                 $value .= $cnum.'/'.$sec;
+             }
+             if (ref($courses{$cdom.'_'.$cnum}{$sec}) eq 'ARRAY') {
+                 unless (grep(/^\Q$value\E$/,@{$courses{$cdom.'_'.$cnum}{$sec}})) {
+                     push(@{$courses{$cdom.'_'.$cnum}{$sec}},$value);
+                 }
+             } else {
+                 @{$courses{$cdom.'_'.$cnum}{$sec}} = ($value);
              }
-             $courses{$cdom.'_'.$cnum}{$sec} = $trole.'/'.$cdom.'/'.$cnum.'/'.$realsec;
          }
      } else {
          foreach my $key (keys(%env)) {
- Line 3320  sub findallcourses {
+ Line 4244  sub findallcourses {
                      if ($now>$endtime) { $active=0; }
                  }
                  if ($active) {
+                     my $value = $role.'/'.$cdom.'/'.$cnum.'/';
                      if ($sec eq '') {
                          $sec = 'none';
+                     } else {
+                         $value .= $sec;
+                     }
+                     if (ref($courses{$cdom.'_'.$cnum}{$sec}) eq 'ARRAY') {
+                         unless (grep(/^\Q$value\E$/,@{$courses{$cdom.'_'.$cnum}{$sec}})) {
+                             push(@{$courses{$cdom.'_'.$cnum}{$sec}},$value);
+                         }
+                     } else {
+                         @{$courses{$cdom.'_'.$cnum}{$sec}} = ($value);
                      }
-                     $courses{$cdom.'_'.$cnum}{$sec} =
-                                      $role.'/'.$cdom.'/'.$cnum.'/'.$sec;
                  }
              }
          }
- Line 3335  sub findallcourses {
+ Line 4267  sub findallcourses {
  ###############################################
  sub blockcheck {
-     my ($setters,$activity,$uname,$udom) = @_;
+     my ($setters,$activity,$uname,$udom,$url) = @_;
      if (!defined($udom)) {
          $udom = $env{'user.domain'};
- Line 3347  sub blockcheck {
+ Line 4279  sub blockcheck {
      # If uname and udom are for a course, check for blocks in the course.
      if (&Apache::lonnet::is_course($udom,$uname)) {
-         my %records = &Apache::lonnet::dump('comm_block',$udom,$uname);
+         my ($startblock,$endblock,$triggerblock) =
-         my ($startblock,$endblock)=&get_blocks($setters,$activity,$udom,$uname);
+             &get_blocks($setters,$activity,$udom,$uname,$url);
-         return ($startblock,$endblock);
+         return ($startblock,$endblock,$triggerblock);
      }
      my $startblock = 0;
      my $endblock = 0;
+     my $triggerblock = '';
      my %live_courses = &findallcourses(undef,$uname,$udom);
      # If uname is for a user, and activity is course-specific, i.e.,
- Line 3417  sub blockcheck {
+ Line 4350  sub blockcheck {
              if ($otheruser) {
                  # Resource belongs to user other than current user.
                  # Assemble privs for that user, and check for 'evb' priv.
-                 my ($trole,$tdom,$tnum,$tsec);
+                 my (%allroles,%userroles);
-                 my $entry = $live_courses{$course}{$sec};
+                 if (ref($live_courses{$course}{$sec}) eq 'ARRAY') {
-                 if ($entry =~ /^cr/) {
+                     foreach my $entry (@{$live_courses{$course}{$sec}}) {
-                     ($trole,$tdom,$tnum,$tsec) =
+                         my ($trole,$tdom,$tnum,$tsec);
-                       ($entry =~ m|^(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_username)/?(\w*)$|);
+                         if ($entry =~ /^cr/) {
-                 } else {
+                             ($trole,$tdom,$tnum,$tsec) =
-                     ($trole,$tdom,$tnum,$tsec) = split(/\//,$entry);
+                                 ($entry =~ m|^(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_username)/?(\w*)$|);
-                 }
+                         } else {
-                 my ($spec,$area,$trest,%allroles,%userroles);
+                            ($trole,$tdom,$tnum,$tsec) = split(/\//,$entry);
-                 $area = '/'.$tdom.'/'.$tnum;
+                         }
-                 $trest = $tnum;
+                         my ($spec,$area,$trest);
-                 if ($tsec ne '') {
+                         $area = '/'.$tdom.'/'.$tnum;
-                     $area .= '/'.$tsec;
+                         $trest = $tnum;
-                     $trest .= '/'.$tsec;
+                         if ($tsec ne '') {
-                 }
+                             $area .= '/'.$tsec;
-                 $spec = $trole.'.'.$area;
+                             $trest .= '/'.$tsec;
-                 if ($trole =~ /^cr/) {
+                         }
-                     &Apache::lonnet::custom_roleprivs(\%allroles,$trole,
+                         $spec = $trole.'.'.$area;
-                                                       $tdom,$spec,$trest,$area);
+                         if ($trole =~ /^cr/) {
-                 } else {
+                             &Apache::lonnet::custom_roleprivs(\%allroles,$trole,
-                     &Apache::lonnet::standard_roleprivs(\%allroles,$trole,
+                                                               $tdom,$spec,$trest,$area);
-                                                        $tdom,$spec,$trest,$area);
+                         } else {
-                 }
+                             &Apache::lonnet::standard_roleprivs(\%allroles,$trole,
-                 my ($author,$adv) = &Apache::lonnet::set_userprivs(\%userroles,\%allroles);
+                                                                 $tdom,$spec,$trest,$area);
-                 if ($userroles{'user.priv.'.$checkrole} =~ /evb\&([^\:]*)/) {
+                         }
-                     if ($1) {
+                     }
-                         $no_userblock = 1;
+                     my ($author,$adv) = &Apache::lonnet::set_userprivs(\%userroles,\%allroles);
-                         last;
+                     if ($userroles{'user.priv.'.$checkrole} =~ /evb\&([^\:]*)/) {
+                         if ($1) {
+                             $no_userblock = 1;
+                             last;
+                         }
                      }
                  }
              } else {
- Line 3461  sub blockcheck {
+ Line 4398  sub blockcheck {
                   ($env{'request.role'} !~ m{^st\./\Q$cdom\E/\Q$cnum\E}));
          next if ($no_userblock);
-         # Retrieve blocking times and identity of blocker for course
+         # Retrieve blocking times and identity of locker for course
          # of specified user, unless user has 'evb' privilege.
-         my ($start,$end)=&get_blocks($setters,$activity,$cdom,$cnum);
+         my ($start,$end,$trigger) =
+             &get_blocks($setters,$activity,$cdom,$cnum,$url);
          if (($start != 0) &&
              (($startblock == 0) || ($startblock > $start))) {
              $startblock = $start;
+             if ($trigger ne '') {
+                 $triggerblock = $trigger;
+             }
          }
          if (($end != 0)  &&
              (($endblock == 0) || ($endblock < $end))) {
              $endblock = $end;
+             if ($trigger ne '') {
+                 $triggerblock = $trigger;
+             }
          }
      }
-     return ($startblock,$endblock);
+     return ($startblock,$endblock,$triggerblock);
  }
  sub get_blocks {
-     my ($setters,$activity,$cdom,$cnum) = @_;
+     my ($setters,$activity,$cdom,$cnum,$url) = @_;
      my $startblock = 0;
      my $endblock = 0;
+     my $triggerblock = '';
      my $course = $cdom.'_'.$cnum;
      $setters->{$course} = {};
      $setters->{$course}{'staff'} = [];
      $setters->{$course}{'times'} = [];
-     my %records = &Apache::lonnet::dump('comm_block',$cdom,$cnum);
+     $setters->{$course}{'triggers'} = [];
-     foreach my $record (keys(%records)) {
+     my (@blockers,%triggered);
-         my ($start,$end) = ($record =~ m/^(\d+)____(\d+)$/);
+     my $now = time;
-         if ($start <= time && $end >= time) {
+     my %commblocks = &Apache::lonnet::get_comm_blocks($cdom,$cnum);
-             my ($staff_name,$staff_dom,$title,$blocks) =
+     if ($activity eq 'docs') {
-                 &parse_block_record($records{$record});
+         @blockers = &Apache::lonnet::has_comm_blocking('bre',undef,$url,\%commblocks);
-             if ($blocks->{$activity} eq 'on') {
+         foreach my $block (@blockers) {
-                 push(@{$$setters{$course}{'staff'}},[$staff_name,$staff_dom]);
+             if ($block =~ /^firstaccess____(.+)$/) {
-                 push(@{$$setters{$course}{'times'}}, [$start,$end]);
+                 my $item = $1;
-                 if ( ($startblock == 0) || ($startblock > $start) ) {
+                 my $type = 'map';
-                     $startblock = $start;
+                 my $timersymb = $item;
+                 if ($item eq 'course') {
+                     $type = 'course';
+                 } elsif ($item =~ /___\d+___/) {
+                     $type = 'resource';
+                 } else {
+                     $timersymb = &Apache::lonnet::symbread($item);
                  }
-                 if ( ($endblock == 0) || ($endblock < $end) ) {
+                 my $start = $env{'course.'.$cdom.'_'.$cnum.'.firstaccess.'.$timersymb};
-                     $endblock = $end;
+                 my $end = $start + $env{'course.'.$cdom.'_'.$cnum.'.timerinterval.'.$timersymb};
+                 $triggered{$block} = {
+                                        start => $start,
+                                        end   => $end,
+                                        type  => $type,
+                                      };
+             }
+         }
+     } else {
+         foreach my $block (keys(%commblocks)) {
+             if ($block =~ m/^(\d+)____(\d+)$/) {
+                 my ($start,$end) = ($1,$2);
+                 if ($start <= time && $end >= time) {
+                     if (ref($commblocks{$block}) eq 'HASH') {
+                         if (ref($commblocks{$block}{'blocks'}) eq 'HASH') {
+                             if ($commblocks{$block}{'blocks'}{$activity} eq 'on') {
+                                 unless(grep(/^\Q$block\E$/,@blockers)) {
+                                     push(@blockers,$block);
+                                 }
+                             }
+                         }
+                     }
+                 }
+             } elsif ($block =~ /^firstaccess____(.+)$/) {
+                 my $item = $1;
+                 my $timersymb = $item;
+                 my $type = 'map';
+                 if ($item eq 'course') {
+                     $type = 'course';
+                 } elsif ($item =~ /___\d+___/) {
+                     $type = 'resource';
+                 } else {
+                     $timersymb = &Apache::lonnet::symbread($item);
+                 }
+                 my $start = $env{'course.'.$cdom.'_'.$cnum.'.firstaccess.'.$timersymb};
+                 my $end = $start + $env{'course.'.$cdom.'_'.$cnum.'.timerinterval.'.$timersymb};
+                 if ($start && $end) {
+                     if (($start <= time) && ($end >= time)) {
+                         unless (grep(/^\Q$block\E$/,@blockers)) {
+                             push(@blockers,$block);
+                             $triggered{$block} = {
+                                                    start => $start,
+                                                    end   => $end,
+                                                    type  => $type,
+                                                  };
+                         }
+                     }
+                 }
+             }
+         }
+     }
+     foreach my $blocker (@blockers) {
+         my ($staff_name,$staff_dom,$title,$blocks) =
+             &parse_block_record($commblocks{$blocker});
+         push(@{$$setters{$course}{'staff'}},[$staff_name,$staff_dom]);
+         my ($start,$end,$triggertype);
+         if ($blocker =~ m/^(\d+)____(\d+)$/) {
+             ($start,$end) = ($1,$2);
+         } elsif (ref($triggered{$blocker}) eq 'HASH') {
+             $start = $triggered{$blocker}{'start'};
+             $end = $triggered{$blocker}{'end'};
+             $triggertype = $triggered{$blocker}{'type'};
+         }
+         if ($start) {
+             push(@{$$setters{$course}{'times'}}, [$start,$end]);
+             if ($triggertype) {
+                 push(@{$$setters{$course}{'triggers'}},$triggertype);
+             } else {
+                 push(@{$$setters{$course}{'triggers'}},0);
+             }
+             if ( ($startblock == 0) || ($startblock > $start) ) {
+                 $startblock = $start;
+                 if ($triggertype) {
+                     $triggerblock = $blocker;
                  }
              }
+             if ( ($endblock == 0) || ($endblock < $end) ) {
+                $endblock = $end;
+                if ($triggertype) {
+                    $triggerblock = $blocker;
+                }
+             }
          }
      }
-     return ($startblock,$endblock);
+     return ($startblock,$endblock,$triggerblock);
  }
  sub parse_block_record {
- Line 3526  sub parse_block_record {
+ Line 4556  sub parse_block_record {
      return ($setuname,$setudom,$title,$blocks);
  }
- sub build_block_table {
-     my ($startblock,$endblock,$setters) = @_;
-     my %lt = &Apache::lonlocal::texthash(
-         'cacb' => 'Currently active communication blocks',
-         'cour' => 'Course',
-         'dura' => 'Duration',
-         'blse' => 'Block set by'
-     );
-     my $output;
-     $output = '<br />'.$lt{'cacb'}.':<br />';
-     $output .= &start_data_table();
-     $output .= '
- <tr>
-  <th>'.$lt{'cour'}.'</th>
-  <th>'.$lt{'dura'}.'</th>
-  <th>'.$lt{'blse'}.'</th>
- </tr>
- ';
-     foreach my $course (keys(%{$setters})) {
-         my %courseinfo=&Apache::lonnet::coursedescription($course);
-         for (my $i=0; $i<@{$$setters{$course}{staff}}; $i++) {
-             my ($uname,$udom) = @{$$setters{$course}{staff}[$i]};
-             my $fullname = &plainname($uname,$udom);
-             if (defined($env{'user.name'}) && defined($env{'user.domain'})
-                 && $env{'user.name'} ne 'public'
-                 && $env{'user.domain'} ne 'public') {
-                 $fullname = &aboutmewrapper($fullname,$uname,$udom);
-             }
-             my ($openblock,$closeblock) = @{$$setters{$course}{times}[$i]};
-             $openblock = &Apache::lonlocal::locallocaltime($openblock);
-             $closeblock= &Apache::lonlocal::locallocaltime($closeblock);
-             $output .= &Apache::loncommon::start_data_table_row().
-                        '<td>'.$courseinfo{'description'}.'</td>'.
-                        '<td>'.$openblock.' to '.$closeblock.'</td>'.
-                        '<td>'.$fullname.'</td>'.
-                         &Apache::loncommon::end_data_table_row();
-         }
-     }
-     $output .= &end_data_table();
- }
  sub blocking_status {
-     my ($activity,$uname,$udom) = @_;
+     my ($activity,$uname,$udom,$url) = @_;
      my %setters;
-     my ($blocked,$output,$ownitem,$is_course);
-     my ($startblock,$endblock)=&blockcheck(\%setters,$activity,$uname,$udom);
+ # check for active blocking
+     my ($startblock,$endblock,$triggerblock) =
+         &blockcheck(\%setters,$activity,$uname,$udom,$url);
+     my $blocked = 0;
      if ($startblock && $endblock) {
          $blocked = 1;
-         if (wantarray) {
+     }
-             my $category;
-             if ($activity eq 'boards') {
+ # caller just wants to know whether a block is active
-                 $category = 'Discussion posts in this course';
+     if (!wantarray) { return $blocked; }
-             } elsif ($activity eq 'blogs') {
-                 $category = 'Blogs';
+ # build a link to a popup window containing the details
-             } elsif ($activity eq 'port') {
+     my $querystring  = "?activity=$activity";
-                 if (defined($uname) && defined($udom)) {
+ # $uname and $udom decide whose portfolio the user is trying to look at
-                     if ($uname eq $env{'user.name'} &&
+     if ($activity eq 'port') {
-                         $udom eq $env{'user.domain'}) {
+         $querystring .= "&amp;udom=$udom"      if $udom;
-                         $ownitem = 1;
+         $querystring .= "&amp;uname=$uname"    if $uname;
-                     }
+     } elsif ($activity eq 'docs') {
-                 }
+         $querystring .= '&amp;url='.&HTML::Entities::encode($url,'&"');
-                 $is_course = &Apache::lonnet::is_course($udom,$uname);
+     }
-                 if ($ownitem) {
-                     $category = 'Your portfolio files';
+     my $output .= <<'END_MYBLOCK';
-                 } elsif ($is_course) {
+ function openWindow(url, wdwName, w, h, toolbar,scrollbar) {
-                     my $coursedesc;
+     var options = "width=" + w + ",height=" + h + ",";
-                     foreach my $course (keys(%setters)) {
+     options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
-                         my %courseinfo =
+     options += "menubar=no,toolbar="+toolbar+",location=no,directories=no";
-                              &Apache::lonnet::coursedescription($course);
+     var newWin = window.open(url, wdwName, options);
-                         $coursedesc = $courseinfo{'description'};
+     newWin.focus();
-                     }
+ }
-                     $category = "Group files in the course '$coursedesc'";
+ END_MYBLOCK
-                 } else {
-                     $category = 'Portfolio files belonging to ';
+     $output = Apache::lonhtmlcommon::scripttag($output);
-                     if ($env{'user.name'} eq 'public' &&
-                         $env{'user.domain'} eq 'public') {
+     my $popupUrl = "/adm/blockingstatus/$querystring";
-                         $category .= &plainname($uname,$udom);
+     my $text = &mt('Communication Blocked');
-                     } else {
+     if ($activity eq 'docs') {
-                         $category .= &aboutmewrapper(&plainname($uname,$udom),$uname,$udom);
+         $text = &mt('Content Access Blocked');
-                     }
+     } elsif ($activity eq 'printout') {
-                 }
+         $text = &mt('Printing Blocked');
-             } elsif ($activity eq 'groups') {
+     }
-                 $category = 'Groups in this course';
+     $output .= <<"END_BLOCK";
-             }
+ <div class='LC_comblock'>
-             my $showstart = &Apache::lonlocal::locallocaltime($startblock);
+   <a onclick='openWindow("$popupUrl","Blocking Table",600,300,"no","no");return false;' href='/adm/blockingstatus/$querystring'
-             my $showend = &Apache::lonlocal::locallocaltime($endblock);
+   title='$text'>
-             $output = '<br />'.&mt('[_1] will be inaccessible between [_2] and [_3] because communication is being blocked.',$category,$showstart,$showend).'<br />';
+   <img class='LC_noBorder LC_middle' title='$text' src='/res/adm/pages/comblock.png' alt='$text'/></a>
-             if (!($activity eq 'port' && !($ownitem) && !($is_course))) {
+   <a onclick='openWindow("$popupUrl","Blocking Table",600,300,"no","no");return false;' href='/adm/blockingstatus/$querystring'
-                 $output .= &build_block_table($startblock,$endblock,\%setters);
+   title='$text'>$text</a>
+ </div>
+ END_BLOCK
+     return ($blocked, $output);
+ }
+ ###############################################
+ sub check_ip_acc {
+     my ($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; }
      }
-     if (wantarray) {
+     return $allowed;
-         return ($blocked,$output);
-     } else {
-         return $blocked;
-     }
  }
  ###############################################
- Line 3646  sub determinedomain {
+ Line 4689  sub determinedomain {
      my $domain=shift;
      if (! $domain) {
          # Determine domain if we have not been given one
-         $domain = $Apache::lonnet::perlvar{'lonDefDomain'};
+         $domain = &Apache::lonnet::default_login_domain();
          if ($env{'user.domain'}) { $domain=$env{'user.domain'}; }
          if ($env{'request.role.domain'}) {
              $domain=$env{'request.role.domain'};
- Line 3669  sub get_domainconf {
+ Line 4712  sub get_domainconf {
      if (defined($cached)) { return %{$result}; }
      my %domconfig = &Apache::lonnet::get_dom('configuration',
- 					     ['login','rolecolors'],$udom);
+ 					     ['login','rolecolors','autoenroll'],$udom);
      my (%designhash,%legacy);
      if (keys(%domconfig) > 0) {
          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'}{$key}) eq 'HASH') {
+                         if ($key eq 'loginvia') {
+                             if (ref($domconfig{'login'}{'loginvia'}) eq 'HASH') {
+                                 foreach my $hostname (keys(%{$domconfig{'login'}{'loginvia'}})) {
+                                     if (ref($domconfig{'login'}{'loginvia'}{$hostname}) eq 'HASH') {
+                                         if ($domconfig{'login'}{'loginvia'}{$hostname}{'server'}) {
+                                             my $server = $domconfig{'login'}{'loginvia'}{$hostname}{'server'};
+                                             $designhash{$udom.'.login.loginvia'} = $server;
+                                             if ($domconfig{'login'}{'loginvia'}{$hostname}{'serverpath'} eq 'custom') {
+                                                 $designhash{$udom.'.login.loginvia_'.$hostname} = $server.':'.$domconfig{'login'}{'loginvia'}{$hostname}{'custompath'};
+                                             } else {
+                                                 $designhash{$udom.'.login.loginvia_'.$hostname} = $server.':'.$domconfig{'login'}{'loginvia'}{$hostname}{'serverpath'};
+                                             }
+                                             if ($domconfig{'login'}{'loginvia'}{$hostname}{'exempt'}) {
+                                                 $designhash{$udom.'.login.loginvia_exempt_'.$hostname} = $domconfig{'login'}{'loginvia'}{$hostname}{'exempt'};
+                                             }
+                                         }
+                                     }
+                                 }
+                             }
+                         } else {
+                             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 3698  sub get_domainconf {
+ Line 4770  sub get_domainconf {
          } else {
              $legacy{'rolecolors'} = 1;
          }
+         if (ref($domconfig{'autoenroll'}) eq 'HASH') {
+             if ($domconfig{'autoenroll'}{'co-owners'}) {
+                 $designhash{$udom.'.autoassign.co-owners'}=$domconfig{'autoenroll'}{'co-owners'};
+             }
+         }
          if (keys(%legacy) > 0) {
              my %legacyhash = &get_legacy_domconf($udom);
              foreach my $item (keys(%legacyhash)) {
- Line 3736  sub get_legacy_domconf {
+ Line 4813  sub get_legacy_domconf {
              close($fh);
          }
      }
-     if (-e '/home/httpd/html/adm/lonDomLogos/'.$udom.'.gif') {
+     if (-e $Apache::lonnet::perlvar{'lonDocRoot'}.'/adm/lonDomLogos/'.$udom.'.gif') {
          $legacyhash{$udom.'.login.domlogo'} = "/adm/lonDomLogos/$udom.gif";
      }
      return %legacyhash;
- Line 3790  Returns: value of designparamter $which
+ Line 4867  Returns: value of designparamter $which
  ##############################################
  sub designparm {
      my ($which,$domain)=@_;
-     if ($env{'browser.blackwhite'} eq 'on') {
- 	if ($which=~/\.(font|alink|vlink|link|textcol)$/) {
- 	    return '#000000';
- 	}
- 	if ($which=~/\.(pgbg|sidebg|bgcol)$/) {
- 	    return '#FFFFFF';
- 	}
- 	if ($which=~/\.tabbg$/) {
- 	    return '#CCCCCC';
- 	}
-     }
      if (exists($env{'environment.color.'.$which})) {
- 	return $env{'environment.color.'.$which};
+         return $env{'environment.color.'.$which};
      }
      $domain=&determinedomain($domain);
-     my %domdesign = &get_domainconf($domain);
+     my %domdesign;
+     unless ($domain eq 'public') {
+         %domdesign = &get_domainconf($domain);
+     }
      my $output;
      if ($domdesign{$domain.'.'.$which} ne '') {
- 	$output = $domdesign{$domain.'.'.$which};
+         $output = $domdesign{$domain.'.'.$which};
      } else {
          $output = $defaultdesign{$which};
      }
      if (($which =~ /^(student|coordinator|author|admin)\.img$/) ||
          ($which =~ /login\.(img|logo|domlogo|login)/)) {
          if ($output =~ m{^/(adm|res)/}) {
- 	    if ($output =~ m{^/res/}) {
+             if ($output =~ m{^/res/}) {
- 		my $local_name = &Apache::lonnet::filelocation('',$output);
+                 my $local_name = &Apache::lonnet::filelocation('',$output);
- 		&Apache::lonnet::repcopy($local_name);
+                 &Apache::lonnet::repcopy($local_name);
- 	    }
+             }
              $output = &lonhttpdurl($output);
          }
      }
      return $output;
  }
+ ##############################################
+ =pod
+ =item * &authorspace()
+ Inputs: $url (usually will be undef).
+ Returns: Path to Construction Space containing the resource or
+          directory being viewed (or for which action is being taken).
+          If $url is provided, and begins /priv/<domain>/<uname>
+          the path will be that portion of the $context argument.
+          Otherwise the path will be for the author space of the current
+          user when the current role is author, or for that of the
+          co-author/assistant co-author space when the current role
+          is co-author or assistant co-author.
+ =cut
+ sub authorspace {
+     my ($url) = @_;
+     if ($url ne '') {
+         if ($url =~ m{^(/priv/$match_domain/$match_username/)}) {
+            return $1;
+         }
+     }
+     my $caname = '';
+     my $cadom = '';
+     if ($env{'request.role'} =~ /^(?:ca|aa)/) {
+         ($cadom,$caname) =
+             ($env{'request.role'}=~/($match_domain)\/($match_username)$/);
+     } elsif ($env{'request.role'} =~ m{^au\./($match_domain)/}) {
+         $caname = $env{'user.name'};
+         $cadom = $env{'user.domain'};
+     }
+     if (($caname ne '') && ($cadom ne '')) {
+         return "/priv/$cadom/$caname/";
+     }
+     return;
+ }
+ ##############################################
+ =pod
+ =item * &head_subbox()
+ Inputs: $content (contains HTML code with page functions, etc.)
+ Returns: HTML div with $content
+          To be included in page header
+ =cut
+ sub head_subbox {
+     my ($content)=@_;
+     my $output =
+         '<div class="LC_head_subbox">'
+        .$content
+        .'</div>'
+ }
+ ##############################################
+ =pod
+ =item * &CSTR_pageheader()
+ Input: (optional) filename from which breadcrumb trail is built.
+        In most cases no input as needed, as $env{'request.filename'}
+        is appropriate for use in building the breadcrumb trail.
+ Returns: HTML div with CSTR path and recent box
+          To be included on Construction Space pages
+ =cut
+ sub CSTR_pageheader {
+     my ($trailfile) = @_;
+     if ($trailfile eq '') {
+         $trailfile = $env{'request.filename'};
+     }
+ # this is for resources; directories have customtitle, and crumbs
+ # and select recent are created in lonpubdir.pm
+     my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
+     my ($udom,$uname,$thisdisfn)=
+         ($trailfile =~ m{^\Q$londocroot\E/priv/([^/]+)/([^/]+)/(.*)$});
+     my $formaction = "/priv/$udom/$uname/$thisdisfn";
+     $formaction =~ s{/+}{/}g;
+     my $parentpath = '';
+     my $lastitem = '';
+     if ($thisdisfn =~ m-(.+/)([^/]*)$-) {
+         $parentpath = $1;
+         $lastitem = $2;
+     } else {
+         $lastitem = $thisdisfn;
+     }
+     my $output =
+          '<div>'
+         .&Apache::loncommon::help_open_menu('','',3,'Authoring') #FIXME: Broken? Where is it?
+         .'<b>'.&mt('Construction Space:').'</b> '
+         .'<form name="dirs" method="post" action="'.$formaction
+         .'" target="_top">' #FIXME lonpubdir: target="_parent"
+         .&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv/'.$udom,undef,undef);
+     if ($lastitem) {
+         $output .=
+              '<span class="LC_filename">'
+             .$lastitem
+             .'</span>';
+     }
+     $output .=
+          '<br />'
+         #FIXME lonpubdir: &Apache::lonhtmlcommon::crumbs($uname.$thisdisfn.'/','_top','/priv','','+1',1)."</b></tt><br />"
+         .&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()')
+         .'</form>'
+         .&Apache::lonmenu::constspaceform()
+         .'</div>';
+     return $output;
+ }
  ###############################################
  ###############################################
- Line 3857  Inputs:
+ Line 5049  Inputs:
  =item * $forcereg, if page should register as content page (relevant for
              text interface only)
- =item * $customtitle, alternate text to use instead of $title
+ =item * $no_nav_bar, if true, keep the 'what is this' info but remove the
-                       in the title box that appears, this text
+                      navigational links
-                       is not auto translated like the $title is
- =item * $notopbar, if true, keep the 'what is this' info but remove the
-                    navigational links
  =item * $bgcolor, used to override the bgcolor on a webpage to a specific value
- =item * $notitle, if true keep the nav controls, but remove the title bar
- =item * $no_inline_link, if true and in remote mode, don't show the
-          'Switch To Inline Menu' link
  =item * $args, optional argument valid values are
              no_auto_mt_title -> prevents &mt()ing the title arg
              inherit_jsmath -> when creating popup window in a page,
                                should it have jsmath forced on by the
                                current page
+ =item * $advtoolsref, optional argument, ref to an array containing
+             inlineremote items to be added in "Functions" menu below
+             breadcrumbs.
  =back
  Returns: A uniform header for LON-CAPA web pages.
- Line 3887  other decorations will be returned.
+ Line 5074  other decorations will be returned.
  =cut
  sub bodytag {
-     my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,$customtitle,
+     my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,
- 	$notopbar,$bgcolor,$notitle,$no_inline_link,$args)=@_;
+         $no_nav_bar,$bgcolor,$args,$advtoolsref)=@_;
+     my $public;
+     if ((($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public'))
+         || ($env{'user.name'} eq '') && ($env{'user.domain'} eq '')) {
+         $public = 1;
+     }
      if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
      $function = &get_users_function() if (!$function);
- Line 3897  sub bodytag {
+ Line 5089  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',$domain),
- Line 3916  sub bodytag {
+ Line 5108  sub bodytag {
          if ($env{'request.role'} !~ /^cr/) {
              $role = &Apache::lonnet::plaintext($role,&course_type());
          }
+         if ($env{'request.course.sec'}) {
+             $role .= ('&nbsp;'x2).'-&nbsp;'.&mt('section:').'&nbsp;'.$env{'request.course.sec'};
+         }
  	$realm = $env{'course.'.$env{'request.course.id'}.'.description'};
      } else {
          $role = &Apache::lonnet::plaintext($role);
      }
      if (!$realm) { $realm='&nbsp;'; }
- # Set messages
-     my $messages=&domainlogo($domain);
      my $extra_body_attr = &make_attr_string($forcereg,\%design);
- Line 3933  sub bodytag {
+ Line 5126  sub bodytag {
      if ($bodyonly) {
          return $bodytag;
-     } elsif ($env{'browser.interface'} eq 'textual') {
+     }
- # Accessibility
- 	$bodytag.=&Apache::lonmenu::menubuttons($forcereg,$forcereg);
- 	if (!$notitle) {
- 	    $bodytag.='<h1>LON-CAPA: '.$title.'</h1>';
- 	}
- 	return $bodytag;
-     }
      my $name = &plainname($env{'user.name'},$env{'user.domain'});
-     if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
+     if ($public) {
  	undef($role);
      } else {
- 	$name = &aboutmewrapper($name,$env{'user.name'},$env{'user.domain'});
+ 	$name = &aboutmewrapper($name,$env{'user.name'},$env{'user.domain'},
+                                 undef,'LC_menubuttons_link');
      }
-     my $roleinfo=(<<ENDROLE);
+     my $titleinfo = '<h1>'.$title.'</h1>';
- <td class="LC_title_bar_who">
- <div class="LC_title_bar_name">
-     $name
-     &nbsp;
- </div>
- <div class="LC_title_bar_role">
- $role&nbsp;
- </div>
- <div class="LC_title_bar_realm">
- $realm&nbsp;
- </div>
- </td>
- ENDROLE
-     my $titleinfo = '<span class="LC_title_bar_title">'.$title.'</span>';
-     if ($customtitle) {
-         $titleinfo = $customtitle;
-     }
      #
      # Extra info if you are the DC
      my $dc_info = '';
- Line 3976  ENDROLE
+ Line 5144  ENDROLE
                          $env{'course.'.$env{'request.course.id'}.
                                   '.domain'}.'/'})) {
          my $cid = $env{'request.course.id'};
-         $dc_info.= $cid.' '.$env{'course.'.$cid.'.internal.coursecode'};
+         $dc_info = $cid.' '.$env{'course.'.$cid.'.internal.coursecode'};
          $dc_info =~ s/\s+$//;
-         $dc_info = '('.$dc_info.')';
      }
-     if ($env{'environment.remote'} eq 'off') {
+     $role = '<span class="LC_nobreak">('.$role.')</span>' if $role;
-         # No Remote
+     &get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['inhibitmenu']);
- 	if ($env{'request.state'} eq 'construct') {
- 	    $forcereg=1;
+         if ($no_nav_bar || $env{'form.inhibitmenu'} eq 'yes') {
- 	}
+             return $bodytag;
+         }
- 	if (!$customtitle && $env{'request.state'} eq 'construct') {
- 	    # this is for resources; directories have customtitle, and crumbs
+         if ($env{'request.state'} eq 'construct') { $forcereg=1; }
-             # and select recent are created in lonpubdir.pm
- 	    my ($uname,$thisdisfn)=
+         #    if ($env{'request.state'} eq 'construct') {
- 		($env{'request.filename'} =~ m|^/home/([^/]+)/public_html/(.*)|);
+         #        $titleinfo = &CSTR_pageheader(); #FIXME: Will be removed once all scripts have their own calls
- 	    my $formaction='/priv/'.$uname.'/'.$thisdisfn;
+         #    }
- 	    $formaction=~s/\/+/\//g;
- 	    my $parentpath = '';
- 	    my $lastitem = '';
+         if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) {
- 	    if ($thisdisfn =~ m-(.+/)([^/]*)$-) {
+              if ($dc_info) {
- 		$parentpath = $1;
+                  $dc_info = qq|<span class="LC_cusr_subheading">$dc_info</span>|;
- 		$lastitem = $2;
+              }
- 	    } else {
+              $bodytag .= qq|<div id="LC_nav_bar">$name $role<br />
- 		$lastitem = $thisdisfn;
+                 <em>$realm</em> $dc_info</div>|;
- 	    }
+             return $bodytag;
- 	    $titleinfo =
+         }
- 		&Apache::loncommon::help_open_menu('','',3,'Authoring')
- 		.'<b>'.&mt('Construction Space').'</b>:&nbsp;'
+         unless ($env{'request.symb'} =~ m/\.page___\d+___/) {
- 		.'<form name="dirs" method="post" action="'.$formaction.'"'
+             $bodytag .= qq|<div id="LC_nav_bar">$name $role</div>|;
- 		.' target="_top"><tt><b>'
+         }
- 		.&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv','','+1',1)."<font size=\"+1\">$lastitem</font></b></tt><br />"
- 		.&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()')
+         $bodytag .= Apache::lonhtmlcommon::scripttag(
- 		.'</form>'
+             Apache::lonmenu::utilityfunctions(), 'start');
- 		.&Apache::lonmenu::constspaceform();
-         }
+         $bodytag .= Apache::lonmenu::primary_menu();
-         my $titletable;
+         if ($dc_info) {
- 	if (!$notitle) {
+             $dc_info = &dc_courseid_toggle($dc_info);
- 	    $titletable =
+         }
- 		'<table id="LC_title_bar">'.
+         $bodytag .= qq|<div id="LC_realm">$realm $dc_info</div>|;
-                          "<tr><td> $titleinfo $dc_info</td>".$roleinfo.
- 			 '</tr></table>';
+         #don't show menus for public users
- 	}
+         if (!$public){
- 	if ($notopbar) {
+             $bodytag .= Apache::lonmenu::secondary_menu();
- 	    $bodytag .= $titletable;
+             $bodytag .= Apache::lonmenu::serverform();
- 	} else {
+             $bodytag .= Apache::lonhtmlcommon::scripttag('', 'end');
- 	    if ($env{'request.state'} eq 'construct') {
+             if ($env{'request.state'} eq 'construct') {
-                 $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg,
+                 $bodytag .= &Apache::lonmenu::innerregister($forcereg,
- 							  $titletable);
+                                 $args->{'bread_crumbs'});
+             } elsif ($forcereg) {
+                 $bodytag .= &Apache::lonmenu::innerregister($forcereg,undef,
+                                                             $args->{'group'});
              } else {
-                 $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg).
+                 $bodytag .=
- 		    $titletable;
+                     &Apache::lonmenu::prepare_functions($env{'request.noversionuri'},
-             }
+                                                         $forcereg,$args->{'group'},
+                                                         $args->{'bread_crumbs'},
+                                                         $advtoolsref);
+             }
+         }else{
+             # this is to seperate menu from content when there's no secondary
+             # menu. Especially needed for public accessible ressources.
+             $bodytag .= '<hr style="clear:both" />';
+             $bodytag .= Apache::lonhtmlcommon::scripttag('', 'end');
          }
-         return $bodytag;
-     }
- #
+         return $bodytag;
- # Top frame rendering, Remote is up
+ }
- #
-     my $imgsrc = $img;
+ sub dc_courseid_toggle {
-     if ($img =~ /^\/adm/) {
+     my ($dc_info) = @_;
-         $imgsrc = &lonhttpdurl($img);
+     return ' <span id="dccidtext" class="LC_cusr_subheading LC_nobreak">'.
-     }
+            '<a href="javascript:showCourseID();" class="LC_menubuttons_link">'.
-     my $upperleft='<img src="'.$imgsrc.'" alt="'.$function.'" />';
+            &mt('(More ...)').'</a></span>'.
+            '<div id="dccid" class="LC_dccid">'.$dc_info.'</div>';
-     # Explicit link to get inline menu
-     my $menu= ($no_inline_link?''
- 	       :'<br /><a href="/adm/remote?action=collapse">'.&mt('Switch to Inline Menu Mode').'</a>');
-     #
-     if ($notitle) {
- 	return $bodytag;
-     }
-     return(<<ENDBODY);
- $bodytag
- <table id="LC_title_bar" class="LC_with_remote">
- <tr><td class="LC_title_bar_role_logo">$upperleft</td>
-     <td class="LC_title_bar_domain_logo">$messages&nbsp;</td>
- </tr>
- <tr><td>$titleinfo $dc_info $menu</td>
- $roleinfo
- </tr>
- </table>
- ENDBODY
  }
  sub make_attr_string {
- Line 4086  sub make_attr_string {
+ Line 5243  sub make_attr_string {
  		delete($attr_ref->{$key});
  	    }
  	}
- 	$attr_ref->{'onload'}  =
+ 	$attr_ref->{'onload'}  = $on_load;
- 	    &Apache::lonmenu::loadevents().  $on_load;
+ 	$attr_ref->{'onunload'}= $on_unload;
- 	$attr_ref->{'onunload'}=
- 	    &Apache::lonmenu::unloadevents().$on_unload;
-     }
- # Accessibility font enhance
-     if ($env{'browser.fontenhance'} eq 'on') {
- 	my $style;
- 	foreach my $key (keys(%{$attr_ref})) {
- 	    if (lc($key) eq 'style') {
- 		$style.=$attr_ref->{$key}.';';
- 		delete($attr_ref->{$key});
- 	    }
- 	}
- 	$attr_ref->{'style'}=$style.'; font-size: x-large;';
-     }
-     if ($env{'browser.blackwhite'} eq 'on') {
- 	delete($attr_ref->{'font'});
- 	delete($attr_ref->{'link'});
- 	delete($attr_ref->{'alink'});
- 	delete($attr_ref->{'vlink'});
- 	delete($attr_ref->{'bgcolor'});
- 	delete($attr_ref->{'background'});
      }
      my $attr_string;
- Line 4140  i.e., $env{'internal.head.redirect'} exi
+ Line 5274  i.e., $env{'internal.head.redirect'} exi
  sub endbodytag {
      my ($args) = @_;
-     my $endbodytag='</body>';
+     my $endbodytag;
+     unless ((ref($args) eq 'HASH') && ($args->{'notbody'})) {
+         $endbodytag='</body>';
+     }
      $endbodytag=&Apache::lontexconvert::jsMath_process()."\n".$endbodytag;
      if ( exists( $env{'internal.head.redirect'} ) ) {
          if (!(ref($args) eq 'HASH' && $args->{'noredirectlink'})) {
- Line 4173  sub standard_css {
+ Line 5310  sub standard_css {
      my $img    = &designparm($function.'.img',   $domain);
      my $tabbg  = &designparm($function.'.tabbg', $domain);
      my $font   = &designparm($function.'.font',  $domain);
+     my $fontmenu = &designparm($function.'.fontmenu', $domain);
+ #second colour for later usage
      my $sidebg = &designparm($function.'.sidebg',$domain);
      my $pgbg_or_bgcolor =
  	         $bgcolor ||
- Line 4184  sub standard_css {
+ Line 5323  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      = '#E0E0E0';
      my $data_table_darker    = '#CCCCCC';
      my $data_table_highlight = '#FFFF00';
      my $mail_new             = '#FFBB77';
- Line 4199  sub standard_css {
+ Line 5338  sub standard_css {
      my $mail_other_hover     = '#669999';
      my $table_header         = '#DDDDDD';
      my $feedback_link_bg     = '#BBBBBB';
+     my $lg_border_color      = '#C8C8C8';
+     my $button_hover         = '#BF2317';
      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 }
- table.thinborder,
- table.thinborder tr th {
+ /* needed for iframe to allow 100% height in FF */
-   border-style: solid;
+ body, html {
-   border-width: 1px;
+     margin: 0;
-   background: $tabbg;
+     padding: 0 0.5%;
+     height: 99%; /* to avoid scrollbars */
  }
- table.thinborder tr td {
-   border-style: solid;
+ body {
-   border-width: 1px
+   font-family: $sans;
+   line-height:130%;
+   font-size:0.83em;
+   color:$font;
+ }
+ a:focus,
+ a:focus img {
+   color: red;
+ }
+ form, .inline {
+   display: inline;
+ }
+ .LC_right {
+   text-align:right;
+ }
+ .LC_middle {
+   vertical-align:middle;
+ }
+ .LC_400Box {
+   width:400px;
+ }
+ .LC_iframecontainer {
+     width: 98%;
+     margin: 0;
+     position: fixed;
+     top: 8.5em;
+     bottom: 0;
+ }
+ .LC_iframecontainer iframe{
+     border: none;
+     width: 100%;
+     height: 100%;
+ }
+ .LC_filename {
+   font-family: $mono;
+   white-space:pre;
+   font-size: 120%;
+ }
+ .LC_fileicon {
+   border: none;
+   height: 1.3em;
+   vertical-align: text-bottom;
+   margin-right: 0.3em;
+   text-decoration:none;
+ }
+ .LC_setting {
+   text-decoration:underline;
  }
- form, .inline { display: inline; }
- .center { text-align: center; }
- .LC_filename {font-family: $mono; white-space:pre;}
  .LC_error {
    color: red;
-   font-size: larger;
  }
- .LC_warning,
+ .LC_warning {
+   color: darkorange;
+ }
  .LC_diff_removed {
    color: red;
  }
- Line 4237  form, .inline { display: inline; }
+ Line 5432  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;
  }
- .LC_icon {
+ div.LC_confirm_box .LC_error img,
-   border: 0px;
+ div.LC_confirm_box .LC_success img {
+   vertical-align: middle;
  }
- .LC_indexer_icon {
-   border: 0px;
+ .LC_icon {
-   height: 22px;
+   border: none;
+   vertical-align: middle;
  }
  .LC_docs_spacer {
    width: 25px;
    height: 1px;
-   border: 0px;
+   border: none;
  }
  .LC_internal_info {
-   color: #999;
+   color: #999999;
+ }
+ .LC_discussion {
+   background: $data_table_dark;
+   border: 1px solid black;
+   margin: 2px;
+ }
+ .LC_disc_action_left {
+   background: $sidebg;
+   text-align: left;
+   padding: 4px;
+   margin: 2px;
+ }
+ .LC_disc_action_right {
+   background: $sidebg;
+   text-align: right;
+   padding: 4px;
+   margin: 2px;
+ }
+ .LC_disc_new_item {
+   background: white;
+   border: 2px solid red;
+   margin: 4px;
+   padding: 4px;
+ }
+ .LC_disc_old_item {
+   background: white;
+   margin: 4px;
+   padding: 4px;
  }
  table.LC_pastsubmission {
- Line 4263  table.LC_pastsubmission {
+ Line 5498  table.LC_pastsubmission {
    margin: 2px;
  }
- table#LC_top_nav, table#LC_menubuttons,table#LC_nav_location {
+ table#LC_menubuttons {
    width: 100%;
    background: $pgbg;
    border: 2px;
    border-collapse: separate;
-   padding: 0px;
+   padding: 0;
  }
- table#LC_title_bar, table.LC_breadcrumbs,
+ table#LC_title_bar a {
+   color: $fontmenu;
+ }
+ table#LC_title_bar {
+   clear: both;
+   display: none;
+ }
+ table#LC_title_bar,
+ table.LC_breadcrumbs, /* obsolete? */
  table#LC_title_bar.LC_with_remote {
    width: 100%;
    border-color: $pgbg;
    border-style: solid;
    border-width: $border;
    background: $pgbg;
-   font-family: $sans;
+   color: $fontmenu;
    border-collapse: collapse;
-   padding: 0px;
+   padding: 0;
+   margin: 0;
  }
- table.LC_docs_path {
+ ul.LC_breadcrumb_tools_outerlist {
-   width: 100%;
+     margin: 0;
-   border: 0;
+     padding: 0;
-   background: $pgbg;
+     position: relative;
-   font-family: $sans;
+     list-style: none;
-   border-collapse: collapse;
-   padding: 0px;
  }
+ ul.LC_breadcrumb_tools_outerlist li {
- table#LC_title_bar td {
+     display: inline;
-   background: $tabbg;
- }
- table#LC_title_bar td.LC_title_bar_who {
-   background: $tabbg;
-   color: $font;
-   font: small $sans;
-   text-align: right;
  }
- span.LC_metadata {
-     font-family: $sans;
+ .LC_breadcrumb_tools_navigation {
+     padding: 0;
+     margin: 0;
+     float: left;
  }
- span.LC_title_bar_title {
+ .LC_breadcrumb_tools_tools {
-   font: bold x-large $sans;
+     padding: 0;
+     margin: 0;
+     float: right;
  }
- table#LC_title_bar td.LC_title_bar_domain_logo {
-   background: $sidebg;
+ table#LC_title_bar td {
-   text-align: right;
+   background: $tabbg;
-   padding: 0px;
  }
- table#LC_title_bar td.LC_title_bar_role_logo {
-   background: $sidebg;
+ table#LC_menubuttons img {
-   padding: 0px;
+   border: none;
  }
- table#LC_menubuttons_mainmenu {
+ .LC_breadcrumbs_component {
-   width: 100%;
+   float: right;
-   border: 0px;
+   margin: 0 1em;
-   border-spacing: 1px;
-   padding: 0px 1px;
-   margin: 0px;
-   border-collapse: separate;
  }
- table#LC_menubuttons img, table#LC_menubuttons_mainmenu img {
+ .LC_breadcrumbs_component img {
-   border: 0px;
+   vertical-align: middle;
  }
- table#LC_top_nav td {
-   background: $tabbg;
+ td.LC_table_cell_checkbox {
-   border: 0px;
+   text-align: center;
-   font-size: small;
  }
- table#LC_top_nav td a, div#LC_top_nav a {
-   color: $font;
+ .LC_fontsize_small {
-   font-family: $sans;
+   font-size: 70%;
  }
- table#LC_top_nav td.LC_top_nav_logo {
-   background: $tabbg;
+ #LC_breadcrumbs {
+   clear:both;
+   background: $sidebg;
+   border-bottom: 1px solid $lg_border_color;
+   line-height: 2.5em;
+   overflow: hidden;
+   margin: 0;
+   padding: 0;
    text-align: left;
-   white-space: nowrap;
-   width: 31px;
- }
- table#LC_top_nav td.LC_top_nav_logo img {
-   border: 0px;
-   vertical-align: bottom;
  }
- table#LC_top_nav td.LC_top_nav_exit,
- table#LC_top_nav td.LC_top_nav_help {
+ .LC_head_subbox, .LC_actionbox {
-   width: 2.0em;
+   clear:both;
+   background: #F8F8F8; /* $sidebg; */
+   border: 1px solid $sidebg;
+   margin: 0 0 10px 0;
+   padding: 3px;
+   text-align: left;
  }
- table#LC_top_nav td.LC_top_nav_login {
-   width: 4.0em;
+ .LC_fontsize_medium {
-   text-align: center;
+   font-size: 85%;
  }
- table.LC_breadcrumbs td, table.LC_docs_path td  {
-   background: $tabbg;
+ .LC_fontsize_large {
-   color: $font;
+   font-size: 120%;
-   font-family: $sans;
-   font-size: smaller;
  }
- table.LC_breadcrumbs td.LC_breadcrumbs_component,
- table.LC_docs_path td.LC_docs_path_component {
+ .LC_menubuttons_inline_text {
-   background: $tabbg;
    color: $font;
-   font-family: $sans;
+   font-size: 90%;
-   font-size: larger;
+   padding-left:3px;
-   text-align: right;
- }
- td.LC_table_cell_checkbox {
-   text-align: center;
  }
- table#LC_mainmenu td.LC_mainmenu_column {
+ .LC_menubuttons_inline_text img{
-     vertical-align: top;
+   vertical-align: middle;
  }
- .LC_menubuttons_inline_text {
+ li.LC_menubuttons_inline_text img {
-   color: $font;
+   cursor:pointer;
-   font-family: $sans;
+   text-decoration: none;
-   font-size: smaller;
  }
  .LC_menubuttons_link {
- Line 4391  table#LC_mainmenu td.LC_mainmenu_column
+ Line 5624  table#LC_mainmenu td.LC_mainmenu_column
  .LC_menubuttons_category {
    color: $font;
    background: $pgbg;
-   font-family: $sans;
    font-size: larger;
    font-weight: bold;
  }
  td.LC_menubuttons_text {
-   width: 90%;
    color: $font;
-   font-family: $sans;
- }
- td.LC_menubuttons_img {
  }
  .LC_current_location {
-   font-family: $sans;
-   background: $tabbg;
- }
- .LC_new_mail {
-   font-family: $sans;
    background: $tabbg;
-   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 {
+ table.LC_data_table {
-   font-family: $sans;
- }
- .LC_rolesinfo {
-   font-family: $sans;
- }
- .LC_dropadd_labeltext {
-   font-family: $sans;
-   text-align: right;
- }
- .LC_preferences_labeltext {
-   font-family: $sans;
-   text-align: right;
- }
- table.LC_aboutme_port {
-   border: 0px;
-   border-collapse: collapse;
-   border-spacing: 0px;
- }
- table.LC_data_table, table.LC_mail_list {
    border: 1px solid #000000;
    border-collapse: separate;
    border-spacing: 1px;
    background: $pgbg;
  }
  .LC_data_table_dense {
    font-size: small;
  }
  table.LC_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_data_table tr th,
+ table.LC_calendar tr th,
+ table.LC_prior_tries tr th,
+ table.LC_innerpickbox tr th {
    font-weight: bold;
    background-color: $data_table_head;
-   font-size: smaller;
+   color:$fontmenu;
+   font-size:90%;
+ }
+ 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_aboutme_port tr td {
+ table.LC_data_table tr.LC_odd_row > td {
    background-color: $data_table_light;
    padding: 2px;
+   vertical-align: top;
+ }
+ table.LC_pick_box tr > td.LC_odd_row {
+   background-color: $data_table_light;
+   vertical-align: top;
+ }
+ table.LC_data_table tr.LC_even_row > td {
+   background-color: $data_table_dark;
+   padding: 2px;
+   vertical-align: top;
  }
- table.LC_data_table tr.LC_even_row > td,
- table.LC_aboutme_port tr.LC_even_row td {
+ table.LC_pick_box tr > td.LC_even_row {
    background-color: $data_table_dark;
+   vertical-align: top;
  }
  table.LC_data_table tr.LC_data_table_highlight td {
    background-color: $data_table_darker;
  }
  table.LC_data_table tr td.LC_leftcol_header {
    background-color: $data_table_head;
    font-weight: bold;
  }
  table.LC_data_table tr.LC_empty_row td,
  table.LC_nested tr.LC_empty_row td {
-   background-color: #FFFFFF;
    font-weight: bold;
    font-style: italic;
    text-align: center;
    padding: 8px;
  }
+ table.LC_data_table tr.LC_empty_row td {
+   background-color: $sidebg;
+ }
+ table.LC_nested tr.LC_empty_row td {
+   background-color: #FFFFFF;
+ }
+ table.LC_caption {
+ }
  table.LC_nested tr.LC_empty_row td {
    padding: 4ex
  }
  table.LC_nested_outer tr th {
    font-weight: bold;
+   color:$fontmenu;
    background-color: $data_table_head;
-   font-size: smaller;
+   font-size: small;
    border-bottom: 1px solid #000000;
  }
  table.LC_nested_outer tr td.LC_subheader {
    background-color: $data_table_head;
    font-weight: bold;
- Line 4526  table.LC_nested_outer tr td.LC_subheader
+ Line 5752  table.LC_nested_outer tr td.LC_subheader
    border-bottom: 1px solid #000000;
    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;
  }
  table.LC_nested tr.LC_info_row td.LC_left_item,
  table.LC_nested_outer tr th.LC_left_item {
    text-align: left;
  }
  table.LC_nested td {
-   background-color: #FFF;
+   background-color: #FFFFFF;
    font-size: small;
  }
  table.LC_nested_outer tr th.LC_right_item,
  table.LC_nested tr.LC_info_row td.LC_right_item,
  table.LC_nested tr.LC_odd_row td.LC_right_item,
- Line 4548  table.LC_nested tr td.LC_right_item {
+ Line 5778  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 {
  }
  table.LC_createuser tr.LC_section_row td {
-   font-size: smaller;
+   font-size: small;
  }
  table.LC_createuser tr.LC_info_row td  {
-   background-color: #CCC;
+   background-color: #CCCCCC;
    font-weight: bold;
    text-align: center;
  }
- Line 4567  table.LC_createuser tr.LC_info_row td  {
+ Line 5797  table.LC_createuser tr.LC_info_row td  {
  table.LC_calendar {
    border: 1px solid #000000;
    border-collapse: collapse;
+   width: 98%;
  }
  table.LC_calendar_pickdate {
    font-size: xx-small;
  }
  table.LC_calendar tr td {
    border: 1px solid #000000;
    vertical-align: top;
+   width: 14%;
  }
  table.LC_calendar tr td.LC_calendar_day_empty {
    background-color: $data_table_dark;
  }
  table.LC_calendar tr td.LC_calendar_day_current {
    background-color: $data_table_highlight;
  }
- table.LC_mail_list tr.LC_mail_new {
+ table.LC_data_table tr td.LC_mail_new {
    background-color: $mail_new;
  }
- table.LC_mail_list tr.LC_mail_new:hover {
+ table.LC_data_table tr.LC_mail_new:hover {
    background-color: $mail_new_hover;
  }
- table.LC_mail_list tr.LC_mail_read {
+ table.LC_data_table tr td.LC_mail_read {
    background-color: $mail_read;
  }
- table.LC_mail_list tr.LC_mail_read:hover {
+ /*
+ table.LC_data_table tr.LC_mail_read:hover {
    background-color: $mail_read_hover;
  }
- table.LC_mail_list tr.LC_mail_replied {
+ */
+ table.LC_data_table tr td.LC_mail_replied {
    background-color: $mail_replied;
  }
- table.LC_mail_list tr.LC_mail_replied:hover {
+ /*
+ table.LC_data_table tr.LC_mail_replied:hover {
    background-color: $mail_replied_hover;
  }
- table.LC_mail_list tr.LC_mail_other {
+ */
+ table.LC_data_table tr td.LC_mail_other {
    background-color: $mail_other;
  }
- table.LC_mail_list tr.LC_mail_other:hover {
+ /*
+ table.LC_data_table tr.LC_mail_other:hover {
    background-color: $mail_other_hover;
  }
- table.LC_mail_list tr.LC_mail_even {
+ */
- }
- table.LC_mail_list tr.LC_mail_odd {
- }
- table#LC_portfolio_actions {
+ table.LC_data_table tr > td.LC_browser_file,
-   width: auto;
+ table.LC_data_table tr > td.LC_browser_file_published {
-   background: $pgbg;
+   background: #AAEE77;
-   border: 0px;
-   border-spacing: 2px 2px;
-   padding: 0px;
-   margin: 0px;
-   border-collapse: separate;
- }
- table#LC_portfolio_actions td.LC_label {
-   background: $tabbg;
-   text-align: right;
- }
- table#LC_portfolio_actions td.LC_value {
-   background: $tabbg;
  }
- table#LC_cstr_controls {
+ table.LC_data_table tr > td.LC_browser_file_locked,
-   width: 100%;
+ table.LC_data_table tr > td.LC_browser_file_unpublished {
-   border-collapse: collapse;
+   background: #FFAA99;
- }
- table#LC_cstr_controls tr td {
-   border: 4px solid $pgbg;
-   padding: 4px;
-   text-align: center;
-   background: $tabbg;
  }
- table#LC_cstr_controls tr th {
-   border: 4px solid $pgbg;
+ table.LC_data_table tr > td.LC_browser_file_obsolete {
-   background: $table_header;
+   background: #888888;
-   text-align: center;
-   font-family: $sans;
-   font-size: smaller;
  }
- table#LC_browser {
+ table.LC_data_table tr > td.LC_browser_file_modified,
+ table.LC_data_table tr > td.LC_browser_file_metamodified {
+   background: #F8F866;
  }
- table#LC_browser tr th {
-   background: $table_header;
+ table.LC_data_table tr.LC_browser_folder > td {
+   background: #E0E8FF;
  }
- table#LC_browser tr td {
-   padding: 2px;
+ table.LC_data_table tr > td.LC_roles_is {
+   /* background: #77FF77; */
  }
- table#LC_browser tr.LC_browser_file,
- table#LC_browser tr.LC_browser_file_published {
+ table.LC_data_table tr > td.LC_roles_future {
-   background: #CCFF88;
+   border-right: 8px solid #FFFF77;
  }
- table#LC_browser tr.LC_browser_file_locked,
- table#LC_browser tr.LC_browser_file_unpublished {
+ table.LC_data_table tr > td.LC_roles_will {
-   background: #FFAA99;
+   border-right: 8px solid #FFAA77;
  }
- table#LC_browser tr.LC_browser_file_obsolete {
-   background: #AAAAAA;
+ table.LC_data_table tr > td.LC_roles_expired {
+   border-right: 8px solid #FF7777;
  }
- table#LC_browser tr.LC_browser_file_modified,
- table#LC_browser tr.LC_browser_file_metamodified {
+ table.LC_data_table tr > td.LC_roles_will_not {
-   background: #FFFF77;
+   border-right: 8px solid #AAFF77;
  }
- table#LC_browser tr.LC_browser_folder {
-   background: #CCCCFF;
+ table.LC_data_table tr > td.LC_roles_selected {
+   border-right: 8px solid #11CC55;
  }
  span.LC_current_location {
-   font-size: x-large;
+   font-size:larger;
    background: $pgbg;
  }
+ span.LC_current_nav_location {
+   font-weight:bold;
+   background: $sidebg;
+ }
  span.LC_parm_menu_item {
    font-size: larger;
-   font-family: $sans;
  }
  span.LC_parm_scope_all {
    color: red;
  }
  span.LC_parm_scope_folder {
    color: green;
  }
  span.LC_parm_scope_resource {
    color: orange;
  }
  span.LC_parm_part {
    color: blue;
  }
- span.LC_parm_folder, span.LC_parm_symb {
+ span.LC_parm_folder,
+ span.LC_parm_symb {
    font-size: x-small;
    font-family: $mono;
    color: #AAAAAA;
  }
- td.LC_parm_overview_level_menu, td.LC_parm_overview_map_menu,
+ ul.LC_parm_parmlist li {
- td.LC_parm_overview_parm_selectors, td.LC_parm_overview_parm_restrictions {
+   display: inline-block;
+   padding: 0.3em 0.8em;
+   vertical-align: top;
+   width: 150px;
+   border-top:1px solid $lg_border_color;
+ }
+ td.LC_parm_overview_level_menu,
+ td.LC_parm_overview_map_menu,
+ td.LC_parm_overview_parm_selectors,
+ td.LC_parm_overview_restrictions  {
    border: 1px solid black;
    border-collapse: collapse;
  }
  table.LC_parm_overview_restrictions td {
    border-width: 1px 4px 1px 4px;
    border-style: solid;
    border-color: $pgbg;
    text-align: center;
  }
  table.LC_parm_overview_restrictions th {
    background: $tabbg;
    border-width: 1px 4px 1px 4px;
    border-style: solid;
    border-color: $pgbg;
  }
  table#LC_helpmenu {
-   border: 0px;
+   border: none;
    height: 55px;
-   border-spacing: 0px;
+   border-spacing: 0;
  }
  table#LC_helpmenu fieldset legend {
    font-size: larger;
-   font-weight: bold;
  }
  table#LC_helpmenu_links {
    width: 100%;
    border: 1px solid black;
    background: $pgbg;
-   padding: 0px;
+   padding: 0;
    border-spacing: 1px;
  }
  table#LC_helpmenu_links tr td {
    padding: 1px;
    background: $tabbg;
- Line 4742  table#LC_helpmenu_links tr td {
+ Line 5995  table#LC_helpmenu_links tr td {
    font-weight: bold;
  }
- table#LC_helpmenu_links a:link, table#LC_helpmenu_links a:visited,
+ table#LC_helpmenu_links a:link,
+ table#LC_helpmenu_links a:visited,
  table#LC_helpmenu_links a:active {
    text-decoration: none;
    color: $font;
  }
  table#LC_helpmenu_links a:hover {
    text-decoration: underline;
    color: $vlink;
- Line 4756  table#LC_helpmenu_links a:hover {
+ Line 6011  table#LC_helpmenu_links a:hover {
    border: 1px solid #339933;
    margin: -1px;
  }
  .LC_chrt_popup_up {
    border: 1px solid yellow;
    margin: -1px;
  }
  .LC_chrt_popup {
    border: 1px solid #8888FF;
    background: #CCCCFF;
  }
  table.LC_pick_box {
    border-collapse: separate;
    background: white;
    border: 1px solid black;
    border-spacing: 1px;
  }
  table.LC_pick_box td.LC_pick_box_title {
-   background: $tabbg;
+   background: $sidebg;
    font-weight: bold;
-   text-align: right;
+   text-align: left;
+   vertical-align: top;
    width: 184px;
    padding: 8px;
  }
  table.LC_pick_box td.LC_pick_box_value {
    text-align: left;
    padding: 8px;
  }
  table.LC_pick_box td.LC_pick_box_select {
    text-align: left;
    padding: 8px;
  }
  table.LC_pick_box td.LC_pick_box_separator {
-   padding: 0px;
+   padding: 0;
    height: 1px;
    background: black;
  }
  table.LC_pick_box td.LC_pick_box_submit {
    text-align: right;
  }
  table.LC_pick_box td.LC_evenrow_value {
    text-align: left;
    padding: 8px;
    background-color: $data_table_light;
  }
  table.LC_pick_box td.LC_oddrow_value {
    text-align: left;
    padding: 8px;
    background-color: $data_table_light;
  }
- table.LC_helpform_receipt {
-   width: 620px;
-   border-collapse: separate;
-   background: white;
-   border: 1px solid black;
-   border-spacing: 1px;
- }
- table.LC_helpform_receipt td.LC_pick_box_title {
-   background: $tabbg;
-   font-weight: bold;
-   text-align: right;
-   width: 184px;
-   padding: 8px;
- }
- table.LC_helpform_receipt td.LC_evenrow_value {
-   text-align: left;
-   padding: 8px;
-   background-color: $data_table_light;
- }
- table.LC_helpform_receipt td.LC_oddrow_value {
-   text-align: left;
-   padding: 8px;
-   background-color: $data_table_light;
- }
- table.LC_helpform_receipt td.LC_pick_box_separator {
-   padding: 0px;
-   height: 1px;
-   background: black;
- }
  span.LC_helpform_receipt_cat {
    font-weight: bold;
  }
  table.LC_group_priv_box {
    background: white;
    border: 1px solid black;
    border-spacing: 1px;
  }
  table.LC_group_priv_box td.LC_pick_box_title {
    background: $tabbg;
    font-weight: bold;
    text-align: right;
    width: 184px;
  }
  table.LC_group_priv_box td.LC_groups_fixed {
    background: $data_table_light;
    text-align: center;
  }
  table.LC_group_priv_box td.LC_groups_optional {
    background: $data_table_dark;
    text-align: center;
  }
  table.LC_group_priv_box td.LC_groups_functionality {
    background: $data_table_darker;
    text-align: center;
    font-weight: bold;
  }
  table.LC_group_priv td {
    text-align: left;
-   padding: 0px;
+   padding: 0;
  }
- table.LC_notify_front_page {
-   background: white;
-   border: 1px solid black;
-   padding: 8px;
- }
- table.LC_notify_front_page td {
-   padding: 8px;
- }
  .LC_navbuttons {
    margin: 2ex 0ex 2ex 0ex;
  }
  .LC_topic_bar {
-   font-family: $sans;
    font-weight: bold;
-   width: 100%;
    background: $tabbg;
-   vertical-align: middle;
+   margin: 1em 0em 1em 2em;
-   margin: 2ex 0ex 2ex 0ex;
+   padding: 3px;
+   font-size: 1.2em;
  }
  .LC_topic_bar span {
+   left: 0.5em;
+   position: absolute;
    vertical-align: middle;
+   font-size: 1.2em;
  }
- .LC_topic_bar img {
-   vertical-align: bottom;
- }
  table.LC_course_group_status {
    margin: 20px;
  }
  table.LC_status_selector td {
    vertical-align: top;
    text-align: center;
    padding: 4px;
  }
- table.LC_descriptive_input td.LC_description {
-   vertical-align: top;
-   text-align: right;
-   font-weight: bold;
- }
  div.LC_feedback_link {
    clear: both;
-   background: white;
+   background: $sidebg;
    width: 100%;
+   padding-bottom: 10px;
+   border: 1px $tabbg solid;
+   height: 22px;
+   line-height: 22px;
+   padding-top: 5px;
  }
+ div.LC_feedback_link img {
+   height: 22px;
+   vertical-align:middle;
+ }
+ div.LC_feedback_link a {
+   text-decoration: none;
+ }
+ div.LC_comblock {
+   display:inline;
+   color:$font;
+   font-size:90%;
+ }
+ div.LC_feedback_link div.LC_comblock {
+   padding-left:5px;
+ }
+ div.LC_feedback_link div.LC_comblock a {
+   color:$font;
+ }
  span.LC_feedback_link {
-   background: $feedback_link_bg;
+   /* background: $feedback_link_bg; */
    font-size: larger;
  }
  span.LC_message_link {
-   background: $feedback_link_bg;
+   /* background: $feedback_link_bg; */
    font-size: larger;
    position: absolute;
    right: 1em;
- Line 4929  table.LC_prior_tries td {
+ Line 6194  table.LC_prior_tries td {
  }
  .LC_answer_correct {
-   background: #AAFFAA;
+   background: lightgreen;
-   color: black;
+   color: darkgreen;
+   padding: 6px;
  }
  .LC_answer_charged_try {
-   background: #FFAAAA ! important;
+   background: #FFAAAA;
-   color: black;
+   color: darkred;
+   padding: 6px;
  }
- .LC_answer_not_charged_try,
+ .LC_answer_not_charged_try,
  .LC_answer_no_grade,
  .LC_answer_late {
-   background: #FFFFAA;
+   background: lightyellow;
    color: black;
+   padding: 6px;
  }
  .LC_answer_previous {
-   background: #AAAAFF;
+   background: lightblue;
-   color: black;
+   color: darkblue;
+   padding: 6px;
  }
  .LC_answer_no_message {
    background: #FFFFFF;
    color: black;
+   padding: 6px;
  }
  .LC_answer_unknown {
    background: orange;
    color: black;
+   padding: 6px;
  }
  span.LC_prior_numerical,
  span.LC_prior_string,
  span.LC_prior_custom,
  span.LC_prior_reaction,
  span.LC_prior_math {
-   font-family: monospace;
+   font-family: $mono;
    white-space: pre;
  }
  span.LC_prior_string {
-   font-family: monospace;
+   font-family: $mono;
    white-space: pre;
  }
- Line 4974  table.LC_prior_option {
+ Line 6249  table.LC_prior_option {
    width: 100%;
    border-collapse: collapse;
  }
- table.LC_prior_rank, table.LC_prior_match {
+ table.LC_prior_rank,
+ table.LC_prior_match {
    border-collapse: collapse;
  }
  table.LC_prior_option tr td,
  table.LC_prior_rank tr td,
  table.LC_prior_match tr td {
    border: 1px solid #000000;
  }
- span.LC_nobreak {
+ .LC_nobreak {
    white-space: nowrap;
  }
- Line 4996  span.LC_cusr_subheading {
+ Line 6274  span.LC_cusr_subheading {
    font-size: 85%;
  }
- table.LC_docs_documents {
+ div.LC_docs_entry_move {
-   background: #BBBBBB;
+   border: 1px solid #BBBBBB;
-   border-width: 0px;
-   border-collapse: collapse;
- }
- table.LC_docs_documents td.LC_docs_document {
-   border: 2px solid black;
-   padding: 4px;
- }
- .LC_docs_course_commands div {
-   float: left;
-   border: 4px solid #AAAAAA;
-   padding: 4px;
-   background: #DDDDCC;
- }
- .LC_docs_entry_move {
-   border: 0px;
-   border-collapse: collapse;
- }
- .LC_docs_entry_move td {
-   border: 2px solid #BBBBBB;
    background: #DDDDDD;
+   width: 22px;
+   padding: 1px;
+   margin: 0;
  }
- .LC_docs_editor td.LC_docs_entry_commands {
+ table.LC_data_table tr > td.LC_docs_entry_commands,
+ table.LC_data_table tr > td.LC_docs_entry_parameter {
    background: #DDDDDD;
    font-size: x-small;
  }
+ .LC_docs_entry_parameter {
+   white-space: nowrap;
+ }
  .LC_docs_copy {
    color: #000099;
  }
  .LC_docs_cut {
    color: #550044;
  }
  .LC_docs_rename {
    color: #009900;
  }
  .LC_docs_remove {
    color: #990000;
  }
- Line 5046  table.LC_docs_documents td.LC_docs_docum
+ Line 6313  table.LC_docs_documents td.LC_docs_docum
    font-size: x-small;
  }
- .LC_docs_editor td.LC_docs_entry_title,
- .LC_docs_editor td.LC_docs_entry_icon {
-   background: #FFFFBB;
- }
- .LC_docs_editor td.LC_docs_entry_parameter {
-   background: #BBBBFF;
-   font-size: x-small;
-   white-space: nowrap;
- }
  table.LC_docs_adddocs td,
  table.LC_docs_adddocs th {
    border: 1px solid #BBBBBB;
- Line 5066  table.LC_docs_adddocs th {
+ Line 6323  table.LC_docs_adddocs th {
  table.LC_sty_begin {
    background: #BBFFBB;
  }
  table.LC_sty_end {
    background: #FFBBBB;
  }
  table.LC_double_column {
-   border-width: 0px;
+   border-width: 0;
    border-collapse: collapse;
    width: 100%;
    padding: 2px;
- Line 5086  table.LC_double_column tr td.LC_left_col
+ Line 6344  table.LC_double_column tr td.LC_left_col
  table.LC_double_column tr td.LC_right_col {
    top: 2px;
    right: 2px;
    width: 47%;
    vertical-align: top;
  }
- span.LC_role_level {
-   font-weight: bold;
- }
  div.LC_left_float {
    float: left;
    padding-right: 5%;
- Line 5110  div.LC_clear_float_footer {
+ Line 6364  div.LC_clear_float_footer {
    clear: both;
  }
- div.LC_grade_select_mode {
-   font-family: $sans;
- }
- div.LC_grade_select_mode div div {
-   margin: 5px;
- }
- div.LC_grade_select_mode_selector {
-   margin: 5px;
-   float: left;
- }
- div.LC_grade_select_mode_selector_header {
-   font: bold medium $sans;
- }
- div.LC_grade_select_mode_type {
-   clear: left;
- }
  div.LC_grade_show_user {
-   margin-top: 20px;
+ /*  border-left: 5px solid $sidebg; */
-   border: 1px solid black;
+   border-top: 5px solid #000000;
+   margin: 50px 0 0 0;
+   padding: 15px 0 5px 10px;
  }
- div.LC_grade_user_name {
-   background: #DDDDEE;
+ div.LC_grade_show_user_odd_row {
-   border-bottom: 1px solid black;
+ /*  border-left: 5px solid #000000; */
-   font: bold large $sans;
  }
- div.LC_grade_show_user_odd_row div.LC_grade_user_name {
-   background: #DDEEDD;
+ div.LC_grade_show_user div.LC_Box {
+   margin-right: 50px;
  }
- div.LC_grade_show_problem,
  div.LC_grade_submissions,
  div.LC_grade_message_center,
- div.LC_grade_info_links,
+ div.LC_grade_info_links {
- div.LC_grade_assign {
    margin: 5px;
    width: 99%;
    background: #FFFFFF;
  }
- div.LC_grade_show_problem_header,
  div.LC_grade_submissions_header,
- div.LC_grade_message_center_header,
+ div.LC_grade_message_center_header {
- div.LC_grade_assign_header {
+   font-weight: bold;
-   font: bold large $sans;
+   font-size: large;
  }
- div.LC_grade_show_problem_problem,
  div.LC_grade_submissions_body,
- div.LC_grade_message_center_body,
+ div.LC_grade_message_center_body {
- div.LC_grade_assign_body {
    border: 1px solid black;
    width: 99%;
    background: #FFFFFF;
  }
- span.LC_grade_check_note {
-   font: normal medium $sans;
-   display: inline;
-   position: absolute;
-   right: 1em;
- }
  table.LC_scantron_action {
    width: 100%;
  }
  table.LC_scantron_action tr th {
-   font: normal bold $sans;
+   font-weight:bold;
+   font-style:normal;
  }
- div.LC_edit_problem_header,
+ .LC_edit_problem_header,
  div.LC_edit_problem_footer {
-   font: normal medium $sans;
+   font-weight: normal;
+   font-size:  medium;
    margin: 2px;
+   background-color: $sidebg;
  }
  div.LC_edit_problem_header,
  div.LC_edit_problem_header div,
  div.LC_edit_problem_footer,
- Line 5191  div.LC_edit_problem_editxml_header,
+ Line 6425  div.LC_edit_problem_editxml_header,
  div.LC_edit_problem_editxml_header div {
    margin-top: 5px;
  }
- div.LC_edit_problem_header_edit_row {
-   background: $tabbg;
-   padding: 3px;
-   margin-bottom: 5px;
- }
  div.LC_edit_problem_header_title {
-   font: larger bold $sans;
+   font-weight: bold;
+   font-size: larger;
    background: $tabbg;
    padding: 3px;
+   margin: 0 0 5px 0;
  }
  table.LC_edit_problem_header_title {
-   font: larger bold $sans;
    width: 100%;
-   border-color: $pgbg;
-   border-style: solid;
-   border-width: $border;
    background: $tabbg;
-   border-collapse: collapse;
-   padding: 0px
  }
  div.LC_edit_problem_discards {
    float: left;
    padding-bottom: 5px;
  }
  div.LC_edit_problem_saves {
    float: right;
    padding-bottom: 5px;
  }
- hr.LC_edit_problem_divide {
+ img.stift {
+   border-width: 0;
+   vertical-align: middle;
+ }
+ table td.LC_mainmenu_col_fieldset {
+   vertical-align: top;
+ }
+ div.LC_createcourse {
+   margin: 10px 10px 10px 10px;
+ }
+ .LC_dccid {
+   margin: 0.2em 0 0 0;
+   padding: 0;
+   font-size: 90%;
+   display:none;
+ }
+ ol.LC_primary_menu a:hover,
+ ol#LC_MenuBreadcrumbs a:hover,
+ ol#LC_PathBreadcrumbs a:hover,
+ ul#LC_secondary_menu a:hover,
+ .LC_FormSectionClearButton input:hover
+ ul.LC_TabContent   li:hover a {
+   color:$button_hover;
+   text-decoration:none;
+ }
+ h1 {
+   padding: 0;
+   line-height:130%;
+ }
+ h2,
+ h3,
+ h4,
+ h5,
+ h6 {
+   margin: 5px 0 5px 0;
+   padding: 0;
+   line-height:130%;
+ }
+ .LC_hcell {
+   padding:3px 15px 3px 15px;
+   margin: 0;
+   background-color:$tabbg;
+   color:$fontmenu;
+   border-bottom:solid 1px $lg_border_color;
+ }
+ .LC_Box > .LC_hcell {
+   margin: 0 -10px 10px -10px;
+ }
+ .LC_noBorder {
+   border: 0;
+ }
+ .LC_FormSectionClearButton input {
+   background-color:transparent;
+   border: none;
+   cursor:pointer;
+   text-decoration:underline;
+ }
+ .LC_help_open_topic {
+   color: #FFFFFF;
+   background-color: #EEEEFF;
+   margin: 1px;
+   padding: 4px;
+   border: 1px solid #000033;
+   white-space: nowrap;
+   /* vertical-align: middle; */
+ }
+ dl,
+ ul,
+ div,
+ fieldset {
+   margin: 10px 10px 10px 0;
+   /* overflow: hidden; */
+ }
+ fieldset > legend {
+   font-weight: bold;
+   padding: 0 5px 0 5px;
+ }
+ #LC_nav_bar {
+   float: left;
+   background-color: $pgbg_or_bgcolor;
+   margin: 0 0 2px 0;
+ }
+ #LC_realm {
+   margin: 0.2em 0 0 0;
+   padding: 0;
+   font-weight: bold;
+   text-align: center;
+   background-color: $pgbg_or_bgcolor;
+ }
+ #LC_nav_bar em {
+   font-weight: bold;
+   font-style: normal;
+ }
+ ol.LC_primary_menu {
+   float: right;
+   margin: 0;
+   padding: 0;
+   background-color: $pgbg_or_bgcolor;
+ }
+ ol#LC_PathBreadcrumbs {
+   margin: 0;
+ }
+ ol.LC_primary_menu li {
+   color: RGB(80, 80, 80);
+   vertical-align: middle;
+   text-align: left;
+   list-style: none;
+   float: left;
+ }
+ ol.LC_primary_menu li a {
+   display: block;
+   margin: 0;
+   padding: 0 5px 0 10px;
+   text-decoration: none;
+ }
+ ol.LC_primary_menu li ul {
+   display: none;
+   width: 10em;
+   background-color: $data_table_light;
+ }
+ ol.LC_primary_menu li:hover ul, ol.LC_primary_menu li.hover ul {
+   display: block;
+   position: absolute;
+   margin: 0;
+   padding: 0;
+   z-index: 2;
+ }
+ ol.LC_primary_menu li:hover li, ol.LC_primary_menu li.hover li {
+   font-size: 90%;
+   vertical-align: top;
+   float: none;
+   border-left: 1px solid black;
+   border-right: 1px solid black;
+ }
+ ol.LC_primary_menu li:hover li a, ol.LC_primary_menu li.hover li a {
+   background-color:$data_table_light;
+ }
+ ol.LC_primary_menu li li a:hover {
+    color:$button_hover;
+    background-color:$data_table_dark;
+ }
+ ol.LC_primary_menu li img {
+   vertical-align: bottom;
+   height: 1.1em;
+   margin: 0.2em 0 0 0;
+ }
+ ol.LC_primary_menu a {
+   color: RGB(80, 80, 80);
+   text-decoration: none;
+ }
+ ol.LC_primary_menu a.LC_new_message {
+   font-weight:bold;
+   color: darkred;
+ }
+ ol.LC_docs_parameters {
+   margin-left: 0;
+   padding: 0;
+   list-style: none;
+ }
+ ol.LC_docs_parameters li {
+   margin: 0;
+   padding-right: 20px;
+   display: inline;
+ }
+ ol.LC_docs_parameters li:before {
+   content: "\\002022 \\0020";
+ }
+ li.LC_docs_parameters_title {
+   font-weight: bold;
+ }
+ ol.LC_docs_parameters li.LC_docs_parameters_title:before {
+   content: "";
+ }
+ ul#LC_secondary_menu {
+   clear: both;
+   color: $fontmenu;
+   background: $tabbg;
+   list-style: none;
+   padding: 0;
+   margin: 0;
+   width: 100%;
+   text-align: left;
+ }
+ ul#LC_secondary_menu li {
+   font-weight: bold;
+   line-height: 1.8em;
+   padding: 0 0.8em;
+   border-right: 1px solid black;
+   display: inline;
+   vertical-align: middle;
+ }
+ ul.LC_TabContent {
+   display:block;
+   background: $sidebg;
+   border-bottom: solid 1px $lg_border_color;
+   list-style:none;
+   margin: -1px -10px 0 -10px;
+   padding: 0;
+ }
+ ul.LC_TabContent li,
+ ul.LC_TabContentBigger li {
+   float:left;
+ }
+ ul#LC_secondary_menu li a {
+   color: $fontmenu;
+   text-decoration: none;
+ }
+ ul.LC_TabContent {
+   min-height:20px;
+ }
+ ul.LC_TabContent li {
+   vertical-align:middle;
+   padding: 0 16px 0 10px;
+   background-color:$tabbg;
+   border-bottom:solid 1px $lg_border_color;
+   border-left: solid 1px $font;
+ }
+ ul.LC_TabContent .right {
+   float:right;
+ }
+ ul.LC_TabContent li a,
+ ul.LC_TabContent li {
+   color:rgb(47,47,47);
+   text-decoration:none;
+   font-size:95%;
+   font-weight:bold;
+   min-height:20px;
+ }
+ ul.LC_TabContent li a:hover,
+ ul.LC_TabContent li a:focus {
+   color: $button_hover;
+   background:none;
+   outline:none;
+ }
+ ul.LC_TabContent li:hover {
+   color: $button_hover;
+   cursor:pointer;
+ }
+ ul.LC_TabContent li.active {
+   color: $font;
+   background:#FFFFFF url(/adm/lonIcons/open.gif) no-repeat scroll right center;
+   border-bottom:solid 1px #FFFFFF;
+   cursor: default;
+ }
+ ul.LC_TabContent li.active a {
+   color:$font;
+   background:#FFFFFF;
+   outline: none;
+ }
+ ul.LC_TabContent li.goback {
+   float: left;
+   border-left: none;
+ }
+ #maincoursedoc {
+   clear:both;
+ }
+ ul.LC_TabContentBigger {
+   display:block;
+   list-style:none;
+   padding: 0;
+ }
+ ul.LC_TabContentBigger li {
+   vertical-align:bottom;
+   height: 30px;
+   font-size:110%;
+   font-weight:bold;
+   color: #737373;
+ }
+ ul.LC_TabContentBigger li.active {
+   position: relative;
+   top: 1px;
+ }
+ ul.LC_TabContentBigger li a {
+   background:url('/adm/lonIcons/tabbgleft.gif') left bottom no-repeat;
+   height: 30px;
+   line-height: 30px;
+   text-align: center;
+   display: block;
+   text-decoration: none;
+   outline: none;
+ }
+ ul.LC_TabContentBigger li.active a {
+   background:url('/adm/lonIcons/tabbgleft.gif') left top no-repeat;
+   color:$font;
+ }
+ ul.LC_TabContentBigger li b {
+   background: url('/adm/lonIcons/tabbgright.gif') no-repeat right bottom;
+   display: block;
+   float: left;
+   padding: 0 30px;
+   border-bottom: 1px solid $lg_border_color;
+ }
+ ul.LC_TabContentBigger li:hover b {
+   color:$button_hover;
+ }
+ ul.LC_TabContentBigger li.active b {
+   background:url('/adm/lonIcons/tabbgright.gif') right top no-repeat;
+   color:$font;
+   border: 0;
+ }
+ ul.LC_CourseBreadcrumbs {
+   background: $sidebg;
+   height: 2em;
+   padding-left: 10px;
+   margin: 0;
+   list-style-position: inside;
+ }
+ ol#LC_MenuBreadcrumbs,
+ ol#LC_PathBreadcrumbs {
+   padding-left: 10px;
+   margin: 0;
+   height: 2.5em;  /* equal to #LC_breadcrumbs line-height */
+ }
+ ol#LC_MenuBreadcrumbs li,
+ ol#LC_PathBreadcrumbs li,
+ ul.LC_CourseBreadcrumbs li {
+   display: inline;
+   white-space: normal;
+ }
+ ol#LC_MenuBreadcrumbs li a,
+ ul.LC_CourseBreadcrumbs li a {
+   text-decoration: none;
+   font-size:90%;
+ }
+ ol#LC_MenuBreadcrumbs h1 {
+   display: inline;
+   font-size: 90%;
+   line-height: 2.5em;
+   margin: 0;
+   padding: 0;
+ }
+ ol#LC_PathBreadcrumbs li a {
+   text-decoration:none;
+   font-size:100%;
+   font-weight:bold;
+ }
+ .LC_Box {
+   border: solid 1px $lg_border_color;
+   padding: 0 10px 10px 10px;
+ }
+ .LC_DocsBox {
+   border: solid 1px $lg_border_color;
+   padding: 0 0 10px 10px;
+ }
+ .LC_AboutMe_Image {
+   float:left;
+   margin-right:10px;
+ }
+ .LC_Clear_AboutMe_Image {
+   clear:left;
+ }
+ dl.LC_ListStyleClean dt {
+   padding-right: 5px;
+   display: table-header-group;
+ }
+ dl.LC_ListStyleClean dd {
+   display: table-row;
+ }
+ .LC_ListStyleClean,
+ .LC_ListStyleSimple,
+ .LC_ListStyleNormal,
+ .LC_ListStyleSpecial {
+   /* display:block; */
+   list-style-position: inside;
+   list-style-type: none;
+   overflow: hidden;
+   padding: 0;
+ }
+ .LC_ListStyleSimple li,
+ .LC_ListStyleSimple dd,
+ .LC_ListStyleNormal li,
+ .LC_ListStyleNormal dd,
+ .LC_ListStyleSpecial li,
+ .LC_ListStyleSpecial dd {
+   margin: 0;
+   padding: 5px 5px 5px 10px;
+   clear: both;
+ }
+ .LC_ListStyleClean li,
+ .LC_ListStyleClean dd {
+   padding-top: 0;
+   padding-bottom: 0;
+ }
+ .LC_ListStyleSimple dd,
+ .LC_ListStyleSimple li {
+   border-bottom: solid 1px $lg_border_color;
+ }
+ .LC_ListStyleSpecial li,
+ .LC_ListStyleSpecial dd {
+   list-style-type: none;
+   background-color: RGB(220, 220, 220);
+   margin-bottom: 4px;
+ }
+ table.LC_SimpleTable {
+   margin:5px;
+   border:solid 1px $lg_border_color;
+ }
+ table.LC_SimpleTable tr {
+   padding: 0;
+   border:solid 1px $lg_border_color;
+ }
+ table.LC_SimpleTable thead {
+   background:rgb(220,220,220);
+ }
+ div.LC_columnSection {
+   display: block;
    clear: both;
-   color: $tabbg;
+   overflow: hidden;
-   background-color: $tabbg;
+   margin: 0;
-   height: 3px;
+ }
-   border: 0px;
+ div.LC_columnSection>* {
+   float: left;
+   margin: 10px 20px 10px 0;
+   overflow:hidden;
+ }
+ table em {
+   font-weight: bold;
+   font-style: normal;
+ }
+ table.LC_tableBrowseRes,
+ table.LC_tableOfContent {
+   border:none;
+   border-spacing: 1px;
+   padding: 3px;
+   background-color: #FFFFFF;
+   font-size: 90%;
+ }
+ table.LC_tableOfContent {
+   border-collapse: collapse;
+ }
+ table.LC_tableBrowseRes a,
+ table.LC_tableOfContent a {
+   background-color: transparent;
+   text-decoration: none;
+ }
+ table.LC_tableOfContent img {
+   border: none;
+   height: 1.3em;
+   vertical-align: text-bottom;
+   margin-right: 0.3em;
+ }
+ a#LC_content_toolbar_firsthomework {
+   background-image:url(/res/adm/pages/open-first-problem.gif);
+ }
+ a#LC_content_toolbar_everything {
+   background-image:url(/res/adm/pages/show-all.gif);
+ }
+ a#LC_content_toolbar_uncompleted {
+   background-image:url(/res/adm/pages/show-incomplete-problems.gif);
+ }
+ #LC_content_toolbar_clearbubbles {
+   background-image:url(/res/adm/pages/mark-discussionentries-read.gif);
+ }
+ a#LC_content_toolbar_changefolder {
+   background : url(/res/adm/pages/close-all-folders.gif) top center ;
+ }
+ a#LC_content_toolbar_changefolder_toggled {
+   background-image:url(/res/adm/pages/open-all-folders.gif);
+ }
+ a#LC_content_toolbar_edittoplevel {
+   background-image:url(/res/adm/pages/edittoplevel.gif);
+ }
+ ul#LC_toolbar li a:hover {
+   background-position: bottom center;
+ }
+ ul#LC_toolbar {
+   padding: 0;
+   margin: 2px;
+   list-style:none;
+   position:relative;
+   background-color:white;
+   overflow: auto;
+ }
+ ul#LC_toolbar li {
+   border:1px solid white;
+   padding: 0;
+   margin: 0;
+   float: left;
+   display:inline;
+   vertical-align:middle;
+   white-space: nowrap;
+ }
+ a.LC_toolbarItem {
+   display:block;
+   padding: 0;
+   margin: 0;
+   height: 32px;
+   width: 32px;
+   color:white;
+   border: none;
+   background-repeat:no-repeat;
+   background-color:transparent;
+ }
+ ul.LC_funclist {
+     margin: 0;
+     padding: 0.5em 1em 0.5em 0;
+ }
+ ul.LC_funclist > li:first-child {
+     font-weight:bold;
+     margin-left:0.8em;
+ }
+ ul.LC_funclist + ul.LC_funclist {
+     /*
+        left border as a seperator if we have more than
+        one list
+     */
+     border-left: 1px solid $sidebg;
+     /*
+        this hides the left border behind the border of the
+        outer box if element is wrapped to the next 'line'
+     */
+     margin-left: -1px;
+ }
+ ul.LC_funclist li {
+   display: inline;
+   white-space: nowrap;
+   margin: 0 0 0 25px;
+   line-height: 150%;
+ }
+ .LC_hidden {
+   display: none;
+ }
+ .LCmodal-overlay {
+ 		position:fixed;
+ 		top:0;
+ 		right:0;
+ 		bottom:0;
+ 		left:0;
+ 		height:100%;
+ 		width:100%;
+ 		margin:0;
+ 		padding:0;
+ 		background:#999;
+ 		opacity:.75;
+ 		filter: alpha(opacity=75);
+ 		-moz-opacity: 0.75;
+ 		z-index:101;
+ }
+ * html .LCmodal-overlay {
+ 		position: absolute;
+ 		height: expression(document.body.scrollHeight > document.body.offsetHeight ? document.body.scrollHeight : document.body.offsetHeight + 'px');
+ }
+ .LCmodal-window {
+ 		position:fixed;
+ 		top:50%;
+ 		left:50%;
+ 		margin:0;
+ 		padding:0;
+ 		z-index:102;
+ 	}
+ * html .LCmodal-window {
+ 		position:absolute;
+ }
+ .LCclose-window {
+ 		position:absolute;
+ 		width:32px;
+ 		height:32px;
+ 		right:8px;
+ 		top:8px;
+ 		background:transparent url('/res/adm/pages/process-stop.png') no-repeat scroll right top;
+ 		text-indent:-99999px;
+ 		overflow:hidden;
+ 		cursor:pointer;
  }
  END
  }
- Line 5276  sub headtag {
+ Line 7168  sub headtag {
  	'<head>'.
  	&font_settings();
+     my $inhibitprint = &print_suppression();
      if (!$args->{'frameset'}) {
  	$result .= &Apache::lonhtmlcommon::htmlareaheaders();
      }
-     if ($args->{'force_register'}) {
+     if ($args->{'force_register'} && $env{'request.noversionuri'} !~ m{^/res/adm/pages/}) {
- 	$result .= &Apache::lonmenu::registerurl(1);
+         $result .= Apache::lonxml::display_title();
      }
      if (!$args->{'no_nav_bar'}
  	&& !$args->{'only_body'}
  	&& !$args->{'frameset'}) {
  	$result .= &help_menu_js();
+         $result.=&modal_window();
+         $result.=&togglebox_script();
+         $result.=&wishlist_window();
+         $result.=&LCprogressbarUpdate_script();
+     } else {
+         if ($args->{'add_modal'}) {
+            $result.=&modal_window();
+         }
+         if ($args->{'add_wishlist'}) {
+            $result.=&wishlist_window();
+         }
+         if ($args->{'add_togglebox'}) {
+            $result.=&togglebox_script();
+         }
+         if ($args->{'add_progressbar'}) {
+            $result.=&LCprogressbarUpdate_script();
+         }
      }
      if (ref($args->{'redirect'})) {
  	my ($time,$url,$inhibit_continue) = @{$args->{'redirect'}};
  	$url = &Apache::lonenc::check_encrypt($url);
- Line 5305  ADDMETA
+ Line 7215  ADDMETA
      if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
      $result .= '<title> LON-CAPA '.$title.'</title>'
  	.'<link rel="stylesheet" type="text/css" href="'.$url.'" />'
+         .$inhibitprint
  	.$head_extra;
-     return $result;
+     return $result.'</head>';
  }
  =pod
- Line 5321  Inputs: none
+ Line 7232  Inputs: none
  sub font_settings {
      my $headerstring='';
-     if (($env{'browser.os'} eq 'mac') && (!$env{'browser.mathml'})) {
+     if (!$env{'browser.mathml'} && $env{'browser.unicode'}) {
- 	$headerstring.=
- 	    '<meta Content-Type="text/html; charset=x-mac-roman" />';
-     } elsif (!$env{'browser.mathml'} && $env{'browser.unicode'}) {
  	$headerstring.=
  	    '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />';
      }
- Line 5333  sub font_settings {
+ Line 7241  sub font_settings {
  =pod
+ =item * &print_suppression()
+ In course context returns css which causes the body to be blank when media="print",
+ if printout generation is unavailable for the current resource.
+ This could be because:
+ (a) printstartdate is in the future
+ (b) printenddate is in the past
+ (c) there is an active exam block with "printout"
+ functionality blocked
+ Users with pav, pfo or evb privileges are exempt.
+ Inputs: none
+ =cut
+ sub print_suppression {
+     my $noprint;
+     if ($env{'request.course.id'}) {
+         my $scope = $env{'request.course.id'};
+         if ((&Apache::lonnet::allowed('pav',$scope)) ||
+             (&Apache::lonnet::allowed('pfo',$scope))) {
+             return;
+         }
+         if ($env{'request.course.sec'} ne '') {
+             $scope .= "/$env{'request.course.sec'}";
+             if ((&Apache::lonnet::allowed('pav',$scope)) ||
+                 (&Apache::lonnet::allowed('pfo',$scope))) {
+                 return;
+             }
+         }
+         my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+         my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+         my $blocked = &blocking_status('printout',$cnum,$cdom);
+         if ($blocked) {
+             my $checkrole = "cm./$cdom/$cnum";
+             if ($env{'request.course.sec'} ne '') {
+                 $checkrole .= "/$env{'request.course.sec'}";
+             }
+             unless ((&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) &&
+                     ($env{'request.role'} !~ m{^st\./$cdom/$cnum})) {
+                 $noprint = 1;
+             }
+         }
+         unless ($noprint) {
+             my $symb = &Apache::lonnet::symbread();
+             if ($symb ne '') {
+                 my $navmap = Apache::lonnavmaps::navmap->new();
+                 if (ref($navmap)) {
+                     my $res = $navmap->getBySymb($symb);
+                     if (ref($res)) {
+                         if (!$res->resprintable()) {
+                             $noprint = 1;
+                         }
+                     }
+                 }
+             }
+         }
+         if ($noprint) {
+             return <<"ENDSTYLE";
+ <style type="text/css" media="print">
+     body { display:none }
+ </style>
+ ENDSTYLE
+         }
+     }
+     return;
+ }
+ =pod
  =item * &xml_begin()
  Returns the needed doctype and <html>
- Line 5344  Inputs: none
+ Line 7328  Inputs: none
  sub xml_begin {
      my $output='';
-     if ($env{'internal.start_page'}==1) {
- 	&Apache::lonhtmlcommon::init_htmlareafields();
-     }
      if ($env{'browser.mathml'}) {
  	$output='<?xml version="1.0"?>'
              #.'<?xml-stylesheet type="text/css" href="/adm/MathML/mathml.css"?>'."\n"
- Line 5358  sub xml_begin {
+ Line 7338  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;
  }
  =pod
- =item * &endheadtag()
+ =item * &start_page()
- Returns a uniform </head> for LON-CAPA web pages.
- Inputs: none
- =cut
- sub endheadtag {
-     return '</head>';
- }
- =pod
- =item * &head()
- Returns a uniform complete <head>..</head> section for LON-CAPA web pages.
+ Returns a complete <html> .. <body> section for LON-CAPA web pages.
- Inputs: $title - optional title for the page
+ Inputs:
-         $head_extra - optional extra HTML to put inside the <head>
- =cut
+ =over 4
- sub head {
+ $title - optional title for the page
-     my ($title,$head_extra,$args) = @_;
-     return &headtag($title,$head_extra,$args).&endheadtag();
- }
- =pod
+ $head_extra - optional extra HTML to incude inside the <head>
- =item * &start_page()
+ $args - additional optional args supported are:
- Returns a complete <html> .. <body> section for LON-CAPA web pages.
+ =over 8
- Inputs: $title - optional title for the page
+              only_body      -> is true will set &bodytag() onlybodytag
-         $head_extra - optional extra HTML to incude inside the <head>
-         $args - additional optional args supported are:
-                   only_body      -> is true will set &bodytag() onlybodytag
                                      arg on
-                   no_nav_bar     -> is true will set &bodytag() notopbar arg on
+              no_nav_bar     -> is true will set &bodytag() no_nav_bar arg on
-                   add_entries    -> additional attributes to add to the  <body>
+              add_entries    -> additional attributes to add to the  <body>
-                   domain         -> force to color decorate a page for a
+              domain         -> force to color decorate a page for a
                                      specific domain
-                   function       -> force usage of a specific rolish color
+              function       -> force usage of a specific rolish color
                                      scheme
-                   redirect       -> see &headtag()
+              redirect       -> see &headtag()
-                   bgcolor        -> override the default page bg color
+              bgcolor        -> override the default page bg color
-                   js_ready       -> return a string ready for being used in
+              js_ready       -> return a string ready for being used in
                                      a javascript writeln
-                   html_encode    -> return a string ready for being used in
+              html_encode    -> return a string ready for being used in
                                      a html attribute
-                   force_register -> if is true will turn on the &bodytag()
+              force_register -> if is true will turn on the &bodytag()
                                      $forcereg arg
-                   body_title     -> alternate text to use instead of $title
+              frameset       -> if true will start with a <frameset>
-                                     in the title box that appears, this text
-                                     is not auto translated like the $title is
-                   frameset       -> if true will start with a <frameset>
                                      rather than <body>
-                   no_title       -> if true the title bar won't be shown
+              skip_phases    -> hash ref of
-                   skip_phases    -> hash ref of
                                      head -> skip the <html><head> generation
                                      body -> skip all <body> generation
+              no_auto_mt_title -> prevent &mt()ing the title arg
-                   no_inline_link -> if true and in remote mode, don't show the
+              inherit_jsmath -> when creating popup window in a page,
-                                     'Switch To Inline Menu' link
-                   no_auto_mt_title -> prevent &mt()ing the title arg
-                   inherit_jsmath -> when creating popup window in a page,
                                      should it have jsmath forced on by the
                                      current page
+              bread_crumbs ->             Array containing breadcrumbs
+              bread_crumbs_component ->  if exists show it as headline else show only the breadcrumbs
+              group          -> includes the current group, if page is for a
+                                specific group
+ =back
+ =back
  =cut
  sub start_page {
      my ($title,$head_extra,$args) = @_;
      #&Apache::lonnet::logthis("start_page ".join(':',caller(0)));
-     my %head_args;
-     foreach my $arg ('redirect','force_register','domain','function',
- 		     'bgcolor','frameset','no_nav_bar','only_body',
- 		     'no_auto_mt_title') {
- 	if (defined($args->{$arg})) {
- 	    $head_args{$arg} = $args->{$arg};
- 	}
-     }
      $env{'internal.start_page'}++;
-     my $result;
+     my ($result,@advtools);
      if (! exists($args->{'skip_phases'}{'head'}) ) {
- 	$result.=
+         $result .= &xml_begin() . &headtag($title, $head_extra, $args);
- 	    &xml_begin().
- 	    &headtag($title,$head_extra,\%head_args).&endheadtag();
      }
      if (! exists($args->{'skip_phases'}{'body'}) ) {
- Line 5464  sub start_page {
+ Line 7414  sub start_page {
  	    my $attr_string = &make_attr_string($args->{'force_register'},
  						$args->{'add_entries'});
  	    $result .= "\n<frameset $attr_string>\n";
- 	} else {
+         } else {
- 	    $result .=
+             $result .=
- 		&bodytag($title,
+                 &bodytag($title,
- 			 $args->{'function'},       $args->{'add_entries'},
+                          $args->{'function'},       $args->{'add_entries'},
- 			 $args->{'only_body'},      $args->{'domain'},
+                          $args->{'only_body'},      $args->{'domain'},
- 			 $args->{'force_register'}, $args->{'body_title'},
+                          $args->{'force_register'}, $args->{'no_nav_bar'},
- 			 $args->{'no_nav_bar'},     $args->{'bgcolor'},
+                          $args->{'bgcolor'},        $args,
- 			 $args->{'no_title'},       $args->{'no_inline_link'},
+                          \@advtools);
- 			 $args);
+         }
- 	}
      }
      if ($args->{'js_ready'}) {
- 	$result = &js_ready($result);
+ 		$result = &js_ready($result);
      }
      if ($args->{'html_encode'}) {
- 	$result = &html_encode($result);
+ 		$result = &html_encode($result);
      }
-     return $result;
- }
- =pod
- =item * &head()
- Returns a complete </body></html> section for LON-CAPA web pages.
+     # Preparation for new and consistent functionlist at top of screen
+     # if ($args->{'functionlist'}) {
- Inputs:         $args - additional optional args supported are:
+     #            $result .= &build_functionlist();
-                  js_ready     -> return a string ready for being used in
+     #}
-                                  a javascript writeln
-                  html_encode  -> return a string ready for being used in
+     # Don't add anything more if only_body wanted or in const space
-                                  a html attribute
+     return $result if    $args->{'only_body'}
-                  frameset     -> if true will start with a <frameset>
+                       || $env{'request.state'} eq 'construct';
-                                  rather than <body>
-                  dicsussion   -> if true will get discussion from
+     #Breadcrumbs
-                                   lonxml::xmlend
+     if (exists($args->{'bread_crumbs'}) or exists($args->{'bread_crumbs_component'})) {
-                                  (you can pass the target and parser arguments
+ 		&Apache::lonhtmlcommon::clear_breadcrumbs();
-                                   through optional 'target' and 'parser' args
+ 		#if any br links exists, add them to the breadcrumbs
-                                   to this routine)
+ 		if (exists($args->{'bread_crumbs'}) and ref($args->{'bread_crumbs'}) eq 'ARRAY') {
+ 			foreach my $crumb (@{$args->{'bread_crumbs'}}){
+ 				&Apache::lonhtmlcommon::add_breadcrumb($crumb);
+ 			}
+ 		}
+                 # if @advtools array contains items add then to the breadcrumbs
+                 if (@advtools > 0) {
+                     &Apache::lonmenu::advtools_crumbs(@advtools);
+                 }
- =cut
+ 		#if bread_crumbs_component exists show it as headline else show only the breadcrumbs
+ 		if(exists($args->{'bread_crumbs_component'})){
+ 			$result .= &Apache::lonhtmlcommon::breadcrumbs($args->{'bread_crumbs_component'});
+ 		}else{
+ 			$result .= &Apache::lonhtmlcommon::breadcrumbs();
+ 		}
+     }
+     return $result;
+ }
  sub end_page {
      my ($args) = @_;
- Line 5519  sub end_page {
+ Line 7477  sub end_page {
  	}
  	$result .= &Apache::lonxml::xmlend($target,$parser);
      }
      if ($args->{'frameset'}) {
  	$result .= '</frameset>';
      } else {
  	$result .= &endbodytag($args);
      }
-     $result .= "\n</html>";
+     unless ($args->{'notbody'}) {
+         $result .= "\n</html>";
+     }
      if ($args->{'js_ready'}) {
  	$result = &js_ready($result);
- Line 5538  sub end_page {
+ Line 7497  sub end_page {
      return $result;
  }
+ sub wishlist_window {
+     return(<<'ENDWISHLIST');
+ <script type="text/javascript">
+ // <![CDATA[
+ // <!-- BEGIN LON-CAPA Internal
+ function set_wishlistlink(title, path) {
+     if (!title) {
+         title = document.title;
+         title = title.replace(/^LON-CAPA /,'');
+     }
+     if (!path) {
+         path = location.pathname;
+     }
+     Win = window.open('/adm/wishlist?mode=newLink&setTitle='+title+'&setPath='+path,
+                       'wishlistNewLink','width=560,height=350,scrollbars=0');
+ }
+ // END LON-CAPA Internal -->
+ // ]]>
+ </script>
+ ENDWISHLIST
+ }
+ sub modal_window {
+     return(<<'ENDMODAL');
+ <script type="text/javascript">
+ // <![CDATA[
+ // <!-- BEGIN LON-CAPA Internal
+ var modalWindow = {
+ 	parent:"body",
+ 	windowId:null,
+ 	content:null,
+ 	width:null,
+ 	height:null,
+ 	close:function()
+ 	{
+ 	        $(".LCmodal-window").remove();
+ 	        $(".LCmodal-overlay").remove();
+ 	},
+ 	open:function()
+ 	{
+ 		var modal = "";
+ 		modal += "<div class=\"LCmodal-overlay\"></div>";
+ 		modal += "<div id=\"" + this.windowId + "\" class=\"LCmodal-window\" style=\"width:" + this.width + "px; height:" + this.height + "px; margin-top:-" + (this.height / 2) + "px; margin-left:-" + (this.width / 2) + "px;\">";
+ 		modal += this.content;
+ 		modal += "</div>";
+ 		$(this.parent).append(modal);
+ 		$(".LCmodal-window").append("<a class=\"LCclose-window\"></a>");
+ 		$(".LCclose-window").click(function(){modalWindow.close();});
+ 		$(".LCmodal-overlay").click(function(){modalWindow.close();});
+ 	}
+ };
+ 	var openMyModal = function(source,width,height,scrolling)
+ 	{
+ 		modalWindow.windowId = "myModal";
+ 		modalWindow.width = width;
+ 		modalWindow.height = height;
+ 		modalWindow.content = "<iframe width='"+width+"' height='"+height+"' frameborder='0' scrolling='"+scrolling+"' allowtransparency='true' src='" + source + "'>&lt/iframe>";
+ 		modalWindow.open();
+ 	};
+ // END LON-CAPA Internal -->
+ // ]]>
+ </script>
+ ENDMODAL
+ }
+ sub modal_link {
+     my ($link,$linktext,$width,$height,$target,$scrolling,$title)=@_;
+     unless ($width) { $width=480; }
+     unless ($height) { $height=400; }
+     unless ($scrolling) { $scrolling='yes'; }
+     my $target_attr;
+     if (defined($target)) {
+         $target_attr = 'target="'.$target.'"';
+     }
+     return <<"ENDLINK";
+ <a href="$link" $target_attr title="$title" onclick="javascript:openMyModal('$link',$width,$height,'$scrolling'); return false;">
+            $linktext</a>
+ ENDLINK
+ }
+ sub modal_adhoc_script {
+     my ($funcname,$width,$height,$content)=@_;
+     return (<<ENDADHOC);
+ <script type="text/javascript">
+ // <![CDATA[
+         var $funcname = function()
+         {
+                 modalWindow.windowId = "myModal";
+                 modalWindow.width = $width;
+                 modalWindow.height = $height;
+                 modalWindow.content = '$content';
+                 modalWindow.open();
+         };
+ // ]]>
+ </script>
+ ENDADHOC
+ }
+ sub modal_adhoc_inner {
+     my ($funcname,$width,$height,$content)=@_;
+     my $innerwidth=$width-20;
+     $content=&js_ready(
+                &start_page('Dialog',undef,{'only_body'=>1,'bgcolor'=>'#FFFFFF'}).
+                  &start_scrollbox($width.'px',$innerwidth.'px',$height.'px').
+                     $content.
+                  &end_scrollbox().
+                &end_page()
+              );
+     return &modal_adhoc_script($funcname,$width,$height,$content);
+ }
+ sub modal_adhoc_window {
+     my ($funcname,$width,$height,$content,$linktext)=@_;
+     return &modal_adhoc_inner($funcname,$width,$height,$content).
+            "<a href=\"javascript:$funcname();void(0);\">".$linktext."</a>";
+ }
+ sub modal_adhoc_launch {
+     my ($funcname,$width,$height,$content)=@_;
+     return &modal_adhoc_inner($funcname,$width,$height,$content).(<<ENDLAUNCH);
+ <script type="text/javascript">
+ // <![CDATA[
+ $funcname();
+ // ]]>
+ </script>
+ ENDLAUNCH
+ }
+ sub modal_adhoc_close {
+     return (<<ENDCLOSE);
+ <script type="text/javascript">
+ // <![CDATA[
+ modalWindow.close();
+ // ]]>
+ </script>
+ ENDCLOSE
+ }
+ sub togglebox_script {
+    return(<<ENDTOGGLE);
+ <script type="text/javascript">
+ // <![CDATA[
+ function LCtoggleDisplay(id,hidetext,showtext) {
+    link = document.getElementById(id + "link").childNodes[0];
+    with (document.getElementById(id).style) {
+       if (display == "none" ) {
+           display = "inline";
+           link.nodeValue = hidetext;
+         } else {
+           display = "none";
+           link.nodeValue = showtext;
+        }
+    }
+ }
+ // ]]>
+ </script>
+ ENDTOGGLE
+ }
+ sub start_togglebox {
+     my ($id,$heading,$headerbg,$hidetext,$showtext)=@_;
+     unless ($heading) { $heading=''; } else { $heading.=' '; }
+     unless ($showtext) { $showtext=&mt('show'); }
+     unless ($hidetext) { $hidetext=&mt('hide'); }
+     unless ($headerbg) { $headerbg='#FFFFFF'; }
+     return &start_data_table().
+            &start_data_table_header_row().
+            '<td bgcolor="'.$headerbg.'">'.$heading.
+            '[<a id="'.$id.'link" href="javascript:LCtoggleDisplay(\''.$id.'\',\''.$hidetext.'\',\''.
+            $showtext.'\')">'.$showtext.'</a>]</td>'.
+            &end_data_table_header_row().
+            '<tr id="'.$id.'" style="display:none""><td>';
+ }
+ sub end_togglebox {
+     return '</td></tr>'.&end_data_table();
+ }
+ sub LCprogressbar_script {
+    my ($id)=@_;
+    return(<<ENDPROGRESS);
+ <script type="text/javascript">
+ // <![CDATA[
+ \$('#progressbar$id').progressbar({
+   value: 0,
+   change: function(event, ui) {
+     var newVal = \$(this).progressbar('option', 'value');
+     \$('.pblabel', this).text(LCprogressTxt);
+   }
+ });
+ // ]]>
+ </script>
+ ENDPROGRESS
+ }
+ sub LCprogressbarUpdate_script {
+    return(<<ENDPROGRESSUPDATE);
+ <style type="text/css">
+ .ui-progressbar { position:relative; }
+ .pblabel { position: absolute; width: 100%; text-align: center; line-height: 1.9em; }
+ </style>
+ <script type="text/javascript">
+ // <![CDATA[
+ var LCprogressTxt='---';
+ function LCupdateProgress(percent,progresstext,id) {
+    LCprogressTxt=progresstext;
+    \$('#progressbar'+id).progressbar('value',percent);
+ }
+ // ]]>
+ </script>
+ ENDPROGRESSUPDATE
+ }
+ my $LClastpercent;
+ my $LCidcnt;
+ my $LCcurrentid;
+ sub LCprogressbar {
+     my ($r)=(@_);
+     $LClastpercent=0;
+     $LCidcnt++;
+     $LCcurrentid=$$.'_'.$LCidcnt;
+     my $starting=&mt('Starting');
+     my $content=(<<ENDPROGBAR);
+ <p>
+   <div id="progressbar$LCcurrentid">
+     <span class="pblabel">$starting</span>
+   </div>
+ </p>
+ ENDPROGBAR
+     &r_print($r,$content.&LCprogressbar_script($LCcurrentid));
+ }
+ sub LCprogressbarUpdate {
+     my ($r,$val,$text)=@_;
+     unless ($val) {
+        if ($LClastpercent) {
+            $val=$LClastpercent;
+        } else {
+            $val=0;
+        }
+     }
+     if ($val<0) { $val=0; }
+     if ($val>100) { $val=0; }
+     $LClastpercent=$val;
+     unless ($text) { $text=$val.'%'; }
+     $text=&js_ready($text);
+     &r_print($r,<<ENDUPDATE);
+ <script type="text/javascript">
+ // <![CDATA[
+ LCupdateProgress($val,'$text','$LCcurrentid');
+ // ]]>
+ </script>
+ ENDUPDATE
+ }
+ sub LCprogressbarClose {
+     my ($r)=@_;
+     $LClastpercent=0;
+     &r_print($r,<<ENDCLOSE);
+ <script type="text/javascript">
+ // <![CDATA[
+ \$("#progressbar$LCcurrentid").hide('slow');
+ // ]]>
+ </script>
+ ENDCLOSE
+ }
+ sub r_print {
+     my ($r,$to_print)=@_;
+     if ($r) {
+       $r->print($to_print);
+       $r->rflush();
+     } else {
+       print($to_print);
+     }
+ }
  sub html_encode {
      my ($result) = @_;
- Line 5545  sub html_encode {
+ Line 7785  sub html_encode {
      return $result;
  }
  sub js_ready {
      my ($result) = @_;
- Line 5581  sub validate_page {
+ Line 7822  sub validate_page {
      }
  }
+ sub start_scrollbox {
+     my ($outerwidth,$width,$height,$id,$bgcolor)=@_;
+     unless ($outerwidth) { $outerwidth='520px'; }
+     unless ($width) { $width='500px'; }
+     unless ($height) { $height='200px'; }
+     my ($table_id,$div_id,$tdcol);
+     if ($id ne '') {
+         $table_id = " id='table_$id'";
+         $div_id = " id='div_$id'";
+     }
+     if ($bgcolor ne '') {
+         $tdcol = "background-color: $bgcolor;";
+     }
+     return <<"END";
+ <table style="width: $outerwidth; border: 1px solid none;"$table_id><tr><td style="width: $width;$tdcol"><div style="overflow:auto; width:$width; height: $height;"$div_id>
+ END
+ }
+ sub end_scrollbox {
+     return '</div></td></tr></table>';
+ }
  sub simple_error_page {
      my ($r,$title,$msg) = @_;
      my $page =
  	&Apache::loncommon::start_page($title).
- 	&mt($msg).
+ 	'<p class="LC_error">'.&mt($msg).'</p>'.
  	&Apache::loncommon::end_page();
      if (ref($r)) {
  	$r->print($page);
- Line 5596  sub simple_error_page {
+ Line 7860  sub simple_error_page {
  {
      my @row_count;
+     sub start_data_table_count {
+         unshift(@row_count, 0);
+         return;
+     }
+     sub end_data_table_count {
+         shift(@row_count);
+         return;
+     }
      sub start_data_table {
- 	my ($add_class) = @_;
+ 	my ($add_class,$id) = @_;
  	my $css_class = (join(' ','LC_data_table',$add_class));
- 	unshift(@row_count,0);
+         my $table_id;
- 	return '<table class="'.$css_class.'">'."\n";
+         if (defined($id)) {
+             $table_id = ' id="'.$id.'"';
+         }
+ 	&start_data_table_count();
+ 	return '<table class="'.$css_class.'"'.$table_id.'>'."\n";
      }
      sub end_data_table {
- 	shift(@row_count);
+ 	&end_data_table_count();
  	return '</table>'."\n";;
      }
      sub start_data_table_row {
- 	my ($add_class) = @_;
+ 	my ($add_class, $id) = @_;
  	$row_count[0]++;
  	my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row';
- 	$css_class = (join(' ',$css_class,$add_class));
+ 	$css_class = (join(' ',$css_class,$add_class)) unless ($add_class eq '');
- 	return  '<tr class="'.$css_class.'">'."\n";;
+         $id = (' id="'.$id.'"') unless ($id eq '');
+         return  '<tr class="'.$css_class.'"'.$id.'>'."\n";
      }
      sub continue_data_table_row {
- 	my ($add_class) = @_;
+ 	my ($add_class, $id) = @_;
  	my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row';
- 	$css_class = (join(' ',$css_class,$add_class));
+ 	$css_class = (join(' ',$css_class,$add_class)) unless ($add_class eq '');
- 	return  '<tr class="'.$css_class.'">'."\n";;
+         $id = (' id="'.$id.'"') unless ($id eq '');
+         return  '<tr class="'.$css_class.'"'.$id.'>'."\n";
      }
      sub end_data_table_row {
- Line 5628  sub simple_error_page {
+ Line 7909  sub simple_error_page {
      }
      sub start_data_table_empty_row {
- 	$row_count[0]++;
+ #	$row_count[0]++;
  	return  '<tr class="LC_empty_row" >'."\n";;
      }
- Line 5643  sub simple_error_page {
+ Line 7924  sub simple_error_page {
      sub end_data_table_header_row {
  	return '</tr>'."\n";;
      }
+     sub data_table_caption {
+         my $caption = shift;
+         return "<caption class=\"LC_caption\">$caption</caption>";
+     }
  }
  =pod
- Line 5709  Returns either 'student','coordinator','
+ Line 7995  Returns either 'student','coordinator','
  ###############################################
  sub get_users_function {
-     my $function = 'student';
+     my $function = 'norole';
-     if ($env{'request.role'}=~/^(cc|in|ta|ep)/) {
+     if ($env{'request.role'}=~/^(st)/) {
+         $function='student';
+     }
+     if ($env{'request.role'}=~/^(cc|co|in|ta|ep)/) {
          $function='coordinator';
      }
      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|\~)/)) {
+         ($ENV{'REQUEST_URI'}=~ m{/^(/priv)})) {
          $function='author';
      }
      return $function;
- Line 5727  sub get_users_function {
+ Line 8016  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 5749  sub check_user_status {
+ Line 8070  sub check_user_status {
      my $active_chk = 'none';
      my $now = time;
      if (@uroles > 0) {
-         if (($role eq 'cc') || ($sec eq '') || (!defined($sec))) {
+         if (($role eq 'cc') || ($role eq 'co') || ($sec eq '') || (!defined($sec))) {
              $srchstr = '/'.$cdom.'/'.$crs.'_'.$role;
          } else {
              $srchstr = '/'.$cdom.'/'.$crs.'/'.$sec.'_'.$role;
- Line 6230  If the user's status includes multiple t
+ Line 8551  If the user's status includes multiple t
  the largest default quota which applies to the user determines the
  default quota returned.
+ =back
  =cut
  ###############################################
- Line 6242  sub default_quota {
+ Line 8565  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 6308  sub get_secgrprole_info {
+ Line 8647  sub get_secgrprole_info {
  }
  sub user_picker {
-     my ($dom,$srch,$forcenewuser,$caller,$cancreate,$usertype) = @_;
+     my ($dom,$srch,$forcenewuser,$caller,$cancreate,$usertype,$context) = @_;
      my $currdom = $dom;
      my %curr_selected = (
                          srchin => 'dom',
- Line 6362  sub user_picker {
+ Line 8701  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 6398  sub user_picker {
+ Line 8738  sub user_picker {
      $srchtypesel .= "\n  </select>\n";
      my ($newuserscript,$new_user_create);
+     my $context_dom = $env{'request.role.domain'};
+     if ($context eq 'requestcrs') {
+         if ($env{'form.coursedom'} ne '') {
+             $context_dom = $env{'form.coursedom'};
+         }
+     }
      if ($forcenewuser) {
          if (ref($srch) eq 'HASH') {
-             if ($srch->{'srchby'} eq 'uname' && $srch->{'srchtype'} eq 'exact' && $srch->{'srchin'} eq 'dom' && $srch->{'srchdomain'} eq $env{'request.role.domain'}) {
+             if ($srch->{'srchby'} eq 'uname' && $srch->{'srchtype'} eq 'exact' && $srch->{'srchin'} eq 'dom' && $srch->{'srchdomain'} eq $context_dom) {
                  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 6435  function setSearch(createnew,callingForm
+ Line 8785  function setSearch(createnew,callingForm
              }
          }
          for (var i=0; i<callingForm.srchdomain.length; i++) {
-             if (callingForm.srchdomain.options[i].value == '$env{'request.role.domain'}') {
+             if (callingForm.srchdomain.options[i].value == '$context_dom') {
                  callingForm.srchdomain.selectedIndex = i;
              }
          }
- Line 6447  ENDSCRIPT
+ Line 8797  ENDSCRIPT
      my $output = <<"END_BLOCK";
  <script type="text/javascript">
+ // <![CDATA[
  function validateEntry(callingForm) {
      var checkok = 1;
- Line 6515  function validateEntry(callingForm) {
+ Line 8866  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 6662  sub instrule_disallow_msg {
+ Line 9010  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 6688  sub personal_data_fieldtitles {
+ Line 9040  sub personal_data_fieldtitles {
                          middlename => 'Middle Name',
                          generation => 'Generation',
                          gen => 'Generation',
+                         inststatus => 'Affiliation',
                     );
      return %fieldtitles;
  }
+ sub sorted_inst_types {
+     my ($dom) = @_;
+     my ($usertypes,$order) = &Apache::lonnet::retrieve_inst_usertypes($dom);
+     my $othertitle = &mt('All users');
+     if ($env{'request.course.id'}) {
+         $othertitle  = &mt('Any users');
+     }
+     my @types;
+     if (ref($order) eq 'ARRAY') {
+         @types = @{$order};
+     }
+     if (@types == 0) {
+         if (ref($usertypes) eq 'HASH') {
+             @types = sort(keys(%{$usertypes}));
+         }
+     }
+     if (keys(%{$usertypes}) > 0) {
+         $othertitle = &mt('Other users');
+     }
+     return ($othertitle,$usertypes,\@types);
+ }
+ sub get_institutional_codes {
+     my ($settings,$allcourses,$LC_code) = @_;
+ # Get complete list of course sections to update
+     my @currsections = ();
+     my @currxlists = ();
+     my $coursecode = $$settings{'internal.coursecode'};
+     if ($$settings{'internal.sectionnums'} ne '') {
+         @currsections = split(/,/,$$settings{'internal.sectionnums'});
+     }
+     if ($$settings{'internal.crosslistings'} ne '') {
+         @currxlists = split(/,/,$$settings{'internal.crosslistings'});
+     }
+     if (@currxlists > 0) {
+         foreach (@currxlists) {
+             if (m/^([^:]+):(\w*)$/) {
+                 unless (grep/^$1$/,@{$allcourses}) {
+                     push @{$allcourses},$1;
+                     $$LC_code{$1} = $2;
+                 }
+             }
+         }
+     }
+     if (@currsections > 0) {
+         foreach (@currsections) {
+             if (m/^(\w+):(\w*)$/) {
+                 my $sec = $coursecode.$1;
+                 my $lc_sec = $2;
+                 unless (grep/^$sec$/,@{$allcourses}) {
+                     push @{$allcourses},$sec;
+                     $$LC_code{$sec} = $lc_sec;
+                 }
+             }
+         }
+     }
+     return;
+ }
+ sub get_standard_codeitems {
+     return ('Year','Semester','Department','Number','Section');
+ }
+ =pod
+ =head1 Slot Helpers
+ =over 4
+ =item * sorted_slots()
+ Sorts an array of slot names in order of an optional sort key,
+ default sort is by slot start time (earliest first).
+ Inputs:
+ =over 4
+ slotsarr  - Reference to array of unsorted slot names.
+ slots     - Reference to hash of hash, where outer hash keys are slot names.
+ sortkey   - Name of key in inner hash to be sorted on (e.g., starttime).
+ =back
+ Returns:
+ =over 4
+ sorted   - An array of slot names sorted by a specified sort key
+            (default sort key is start time of the slot).
+ =back
+ =cut
+ sub sorted_slots {
+     my ($slotsarr,$slots,$sortkey) = @_;
+     if ($sortkey eq '') {
+         $sortkey = 'starttime';
+     }
+     my @sorted;
+     if ((ref($slotsarr) eq 'ARRAY') && (ref($slots) eq 'HASH')) {
+         @sorted =
+             sort {
+                      if (ref($slots->{$a}) && ref($slots->{$b})) {
+                          return $slots->{$a}{$sortkey} <=> $slots->{$b}{$sortkey}
+                      }
+                      if (ref($slots->{$a})) { return -1;}
+                      if (ref($slots->{$b})) { return 1;}
+                      return 0;
+                  } @{$slotsarr};
+     }
+     return @sorted;
+ }
+ =pod
+ =item * get_future_slots()
+ Inputs:
+ =over 4
+ cnum - course number
+ cdom - course domain
+ now - current UNIX time
+ symb - optional symb
+ =back
+ Returns:
+ =over 4
+ sorted_reservable - ref to array of student_schedulable slots currently
+                     reservable, ordered by end date of reservation period.
+ reservable_now - ref to hash of student_schedulable slots currently
+                  reservable.
+     Keys in inner hash are:
+     (a) symb: either blank or symb to which slot use is restricted.
+     (b) endreserve: end date of reservation period.
+ sorted_future - ref to array of student_schedulable slots reservable in
+                 the future, ordered by start date of reservation period.
+ future_reservable - ref to hash of student_schedulable slots reservable
+                     in the future.
+     Keys in inner hash are:
+     (a) symb: either blank or symb to which slot use is restricted.
+     (b) startreserve:  start date of reservation period.
+ =back
+ =cut
+ sub get_future_slots {
+     my ($cnum,$cdom,$now,$symb) = @_;
+     my (%reservable_now,%future_reservable,@sorted_reservable,@sorted_future);
+     my %slots = &Apache::lonnet::get_course_slots($cnum,$cdom);
+     foreach my $slot (keys(%slots)) {
+         next unless($slots{$slot}->{'type'} eq 'schedulable_student');
+         if ($symb) {
+             next if (($slots{$slot}->{'symb'} ne '') &&
+                      ($slots{$slot}->{'symb'} ne $symb));
+         }
+         if (($slots{$slot}->{'starttime'} > $now) &&
+             ($slots{$slot}->{'endtime'} > $now)) {
+             if (($slots{$slot}->{'allowedsections'}) || ($slots{$slot}->{'allowedusers'})) {
+                 my $userallowed = 0;
+                 if ($slots{$slot}->{'allowedsections'}) {
+                     my @allowed_sec = split(',',$slots{$slot}->{'allowedsections'});
+                     if (!defined($env{'request.role.sec'})
+                         && grep(/^No section assigned$/,@allowed_sec)) {
+                         $userallowed=1;
+                     } else {
+                         if (grep(/^\Q$env{'request.role.sec'}\E$/,@allowed_sec)) {
+                             $userallowed=1;
+                         }
+                     }
+                     unless ($userallowed) {
+                         if (defined($env{'request.course.groups'})) {
+                             my @groups = split(/:/,$env{'request.course.groups'});
+                             foreach my $group (@groups) {
+                                 if (grep(/^\Q$group\E$/,@allowed_sec)) {
+                                     $userallowed=1;
+                                     last;
+                                 }
+                             }
+                         }
+                     }
+                 }
+                 if ($slots{$slot}->{'allowedusers'}) {
+                     my @allowed_users = split(',',$slots{$slot}->{'allowedusers'});
+                     my $user = $env{'user.name'}.':'.$env{'user.domain'};
+                     if (grep(/^\Q$user\E$/,@allowed_users)) {
+                         $userallowed = 1;
+                     }
+                 }
+                 next unless($userallowed);
+             }
+             my $startreserve = $slots{$slot}->{'startreserve'};
+             my $endreserve = $slots{$slot}->{'endreserve'};
+             my $symb = $slots{$slot}->{'symb'};
+             if (($startreserve < $now) &&
+                 (!$endreserve || $endreserve > $now)) {
+                 my $lastres = $endreserve;
+                 if (!$lastres) {
+                     $lastres = $slots{$slot}->{'starttime'};
+                 }
+                 $reservable_now{$slot} = {
+                                            symb       => $symb,
+                                            endreserve => $lastres
+                                          };
+             } elsif (($startreserve > $now) &&
+                      (!$endreserve || $endreserve > $startreserve)) {
+                 $future_reservable{$slot} = {
+                                               symb         => $symb,
+                                               startreserve => $startreserve
+                                             };
+             }
+         }
+     }
+     my @unsorted_reservable = keys(%reservable_now);
+     if (@unsorted_reservable > 0) {
+         @sorted_reservable =
+             &sorted_slots(\@unsorted_reservable,\%reservable_now,'endreserve');
+     }
+     my @unsorted_future = keys(%future_reservable);
+     if (@unsorted_future > 0) {
+         @sorted_future =
+             &sorted_slots(\@unsorted_future,\%future_reservable,'startreserve');
+     }
+     return (\@sorted_reservable,\%reservable_now,\@sorted_future,\%future_reservable);
+ }
  =pod
  =back
- Line 6700  sub personal_data_fieldtitles {
+ Line 9301  sub personal_data_fieldtitles {
  =over 4
- =item * get_unprocessed_cgi($query,$possible_names)
+ =item * &get_unprocessed_cgi($query,$possible_names)
  Modify the %env hash to contain unprocessed CGI form parameters held in
  $query.  The parameters listed in $possible_names (an array reference),
- Line 6729  sub get_unprocessed_cgi {
+ Line 9330  sub get_unprocessed_cgi {
  =pod
- =item * cacheheader()
+ =item * &cacheheader()
  returns cache-controlling header code
- Line 6746  sub cacheheader {
+ Line 9347  sub cacheheader {
  =pod
- =item * no_cache($r)
+ =item * &no_cache($r)
  specifies header code to not have cache
- Line 6782  sub content_type {
+ Line 9383  sub content_type {
  =pod
- =item * add_to_env($name,$value)
+ =item * &add_to_env($name,$value)
  adds $name to the %env hash with value
  $value, if $name already exists, the entry is converted to an array
- Line 6809  sub add_to_env {
+ Line 9410  sub add_to_env {
  =pod
- =item * get_env_multiple($name)
+ =item * &get_env_multiple($name)
  gets $name from the %env hash, it seemlessly handles the cases where multiple
  values may be defined and end up as an array ref.
- Line 6832  sub get_env_multiple {
+ Line 9433  sub get_env_multiple {
      return(@values);
  }
+ sub ask_for_embedded_content {
+     my ($actionurl,$state,$allfiles,$codebase,$args)=@_;
+     my (%subdependencies,%dependencies,%mapping,%existing,%newfiles,%pathchanges,
+         %currsubfile,%unused,$rem);
+     my $counter = 0;
+     my $numnew = 0;
+     my $numremref = 0;
+     my $numinvalid = 0;
+     my $numpathchg = 0;
+     my $numexisting = 0;
+     my $numunused = 0;
+     my ($output,$upload_output,$toplevel,$url,$udom,$uname,$getpropath,$cdom,$cnum,
+         $fileloc,$filename,$delete_output,$modify_output,$title,$symb,$path);
+     my $heading = &mt('Upload embedded files');
+     my $buttontext = &mt('Upload');
+     my $navmap;
+     if ($env{'request.course.id'}) {
+         $navmap = Apache::lonnavmaps::navmap->new();
+     }
+     if (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
+         my $current_path='/';
+         if ($env{'form.currentpath'}) {
+             $current_path = $env{'form.currentpath'};
+         }
+         if ($actionurl eq '/adm/coursegrp_portfolio') {
+             $udom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+             $uname = $env{'course.'.$env{'request.course.id'}.'.num'};
+             $url = '/userfiles/groups/'.$env{'form.group'}.'/portfolio';
+         } else {
+             $udom = $env{'user.domain'};
+             $uname = $env{'user.name'};
+             $url = '/userfiles/portfolio';
+         }
+         $toplevel = $url.'/';
+         $url .= $current_path;
+         $getpropath = 1;
+     } elsif (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank') ||
+              ($actionurl eq '/adm/imsimport')) {
+         my ($udom,$uname,$rest) = ($args->{'current_path'} =~ m{/priv/($match_domain)/($match_username)/?(.*)$});
+         $url = $Apache::lonnet::perlvar{'lonDocRoot'}."/priv/$udom/$uname/";
+         $toplevel = $url;
+         if ($rest ne '') {
+             $url .= $rest;
+         }
+     } elsif ($actionurl eq '/adm/coursedocs') {
+         if (ref($args) eq 'HASH') {
+             $url = $args->{'docs_url'};
+             $toplevel = $url;
+             if ($args->{'context'} eq 'paste') {
+                 ($cdom,$cnum) = ($url =~ m{^\Q/uploaded/\E($match_domain)/($match_courseid)/});
+                 ($path) =
+                     ($toplevel =~ m{^(\Q/uploaded/$cdom/$cnum/\E(?:docs|supplemental)/(?:default|\d+)/\d+)/});
+                 $fileloc = &Apache::lonnet::filelocation('',$toplevel);
+                 $fileloc =~ s{^/}{};
+             }
+         }
+     } elsif ($actionurl eq '/adm/dependencies')  {
+         if ($env{'request.course.id'} ne '') {
+             $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+             $cnum =  $env{'course.'.$env{'request.course.id'}.'.num'};
+             if (ref($args) eq 'HASH') {
+                 $url = $args->{'docs_url'};
+                 $title = $args->{'docs_title'};
+                 $toplevel = "/$url";
+                 ($rem) = ($toplevel =~ m{^(.+/)[^/]+$});
+                 ($path) =
+                     ($toplevel =~ m{^(\Q/uploaded/$cdom/$cnum/\E(?:docs|supplemental)/(?:default|\d+)/\d+)/});
+                 $fileloc = &Apache::lonnet::filelocation('',$toplevel);
+                 $fileloc =~ s{^/}{};
+                 ($filename) = ($fileloc =~ m{.+/([^/]+)$});
+                 $heading = &mt('Status of dependencies in [_1]',"$title ($filename)");
+             }
+         }
+     }
+     my $now = time();
+     foreach my $embed_file (keys(%{$allfiles})) {
+         my $absolutepath;
+         if ($embed_file =~ m{^\w+://}) {
+             $newfiles{$embed_file} = 1;
+             $mapping{$embed_file} = $embed_file;
+         } else {
+             if ($embed_file =~ m{^/}) {
+                 $absolutepath = $embed_file;
+                 $embed_file =~ s{^(/+)}{};
+             }
+             if ($embed_file =~ m{/}) {
+                 my ($path,$fname) = ($embed_file =~ m{^(.+)/([^/]*)$});
+                 $path = &check_for_traversal($path,$url,$toplevel);
+                 my $item = $fname;
+                 if ($path ne '') {
+                     $item = $path.'/'.$fname;
+                     $subdependencies{$path}{$fname} = 1;
+                 } else {
+                     $dependencies{$item} = 1;
+                 }
+                 if ($absolutepath) {
+                     $mapping{$item} = $absolutepath;
+                 } else {
+                     $mapping{$item} = $embed_file;
+                 }
+             } else {
+                 $dependencies{$embed_file} = 1;
+                 if ($absolutepath) {
+                     $mapping{$embed_file} = $absolutepath;
+                 } else {
+                     $mapping{$embed_file} = $embed_file;
+                 }
+             }
+         }
+     }
+     my $dirptr = 16384;
+     foreach my $path (keys(%subdependencies)) {
+         $currsubfile{$path} = {};
+         if (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
+             my ($sublistref,$listerror) =
+                 &Apache::lonnet::dirlist($url.$path,$udom,$uname,$getpropath);
+             if (ref($sublistref) eq 'ARRAY') {
+                 foreach my $line (@{$sublistref}) {
+                     my ($file_name,$rest) = split(/\&/,$line,2);
+                     $currsubfile{$path}{$file_name} = 1;
+                 }
+             }
+         } elsif (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank')) {
+             if (opendir(my $dir,$url.'/'.$path)) {
+                 my @subdir_list = grep(!/^\./,readdir($dir));
+                 map {$currsubfile{$path}{$_} = 1;} @subdir_list;
+             }
+         } elsif (($actionurl eq '/adm/dependencies') ||
+                  (($actionurl eq '/adm/coursedocs') && (ref($args) eq 'HASH') &&
+                   ($args->{'context'} eq 'paste'))) {
+             if ($env{'request.course.id'} ne '') {
+                 my ($dir) = ($fileloc =~ m{^(.+/)[^/]+$});
+                 if ($dir ne '') {
+                     my ($sublistref,$listerror) =
+                         &Apache::lonnet::dirlist($dir.$path,$cdom,$cnum,$getpropath,undef,'/');
+                     if (ref($sublistref) eq 'ARRAY') {
+                         foreach my $line (@{$sublistref}) {
+                             my ($file_name,$dom,undef,$testdir,undef,undef,undef,undef,$size,
+                                 undef,$mtime)=split(/\&/,$line,12);
+                             unless (($testdir&$dirptr) ||
+                                     ($file_name =~ /^\.\.?$/)) {
+                                 $currsubfile{$path}{$file_name} = [$size,$mtime];
+                             }
+                         }
+                     }
+                 }
+             }
+         }
+         foreach my $file (keys(%{$subdependencies{$path}})) {
+             if (exists($currsubfile{$path}{$file})) {
+                 my $item = $path.'/'.$file;
+                 unless ($mapping{$item} eq $item) {
+                     $pathchanges{$item} = 1;
+                 }
+                 $existing{$item} = 1;
+                 $numexisting ++;
+             } else {
+                 $newfiles{$path.'/'.$file} = 1;
+             }
+         }
+         if ($actionurl eq '/adm/dependencies') {
+             foreach my $path (keys(%currsubfile)) {
+                 if (ref($currsubfile{$path}) eq 'HASH') {
+                     foreach my $file (keys(%{$currsubfile{$path}})) {
+                          unless ($subdependencies{$path}{$file}) {
+                              next if (($rem ne '') &&
+                                       (($env{"httpref.$rem"."$path/$file"} ne '') ||
+                                        (ref($navmap) &&
+                                        (($navmap->getResourceByUrl($rem."$path/$file") ne '') ||
+                                         (($file =~ /^(.*\.s?html?)\.bak$/i) &&
+                                          ($navmap->getResourceByUrl($rem."$path/$1")))))));
+                              $unused{$path.'/'.$file} = 1;
+                          }
+                     }
+                 }
+             }
+         }
+     }
+     my %currfile;
+     if (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
+         my ($dirlistref,$listerror) =
+             &Apache::lonnet::dirlist($url,$udom,$uname,$getpropath);
+         if (ref($dirlistref) eq 'ARRAY') {
+             foreach my $line (@{$dirlistref}) {
+                 my ($file_name,$rest) = split(/\&/,$line,2);
+                 $currfile{$file_name} = 1;
+             }
+         }
+     } elsif (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank')) {
+         if (opendir(my $dir,$url)) {
+             my @dir_list = grep(!/^\./,readdir($dir));
+             map {$currfile{$_} = 1;} @dir_list;
+         }
+     } elsif (($actionurl eq '/adm/dependencies') ||
+              (($actionurl eq '/adm/coursedocs') && (ref($args) eq 'HASH') &&
+               ($args->{'context'} eq 'paste'))) {
+         if ($env{'request.course.id'} ne '') {
+             my ($dir) = ($fileloc =~ m{^(.+/)[^/]+$});
+             if ($dir ne '') {
+                 my ($dirlistref,$listerror) =
+                     &Apache::lonnet::dirlist($dir,$cdom,$cnum,$getpropath,undef,'/');
+                 if (ref($dirlistref) eq 'ARRAY') {
+                     foreach my $line (@{$dirlistref}) {
+                         my ($file_name,$dom,undef,$testdir,undef,undef,undef,undef,
+                             $size,undef,$mtime)=split(/\&/,$line,12);
+                         unless (($testdir&$dirptr) ||
+                                 ($file_name =~ /^\.\.?$/)) {
+                             $currfile{$file_name} = [$size,$mtime];
+                         }
+                     }
+                 }
+             }
+         }
+     }
+     foreach my $file (keys(%dependencies)) {
+         if (exists($currfile{$file})) {
+             unless ($mapping{$file} eq $file) {
+                 $pathchanges{$file} = 1;
+             }
+             $existing{$file} = 1;
+             $numexisting ++;
+         } else {
+             $newfiles{$file} = 1;
+         }
+     }
+     foreach my $file (keys(%currfile)) {
+         unless (($file eq $filename) ||
+                 ($file eq $filename.'.bak') ||
+                 ($dependencies{$file})) {
+             if ($actionurl eq '/adm/dependencies') {
+                 next if (($rem ne '') &&
+                          (($env{"httpref.$rem".$file} ne '') ||
+                           (ref($navmap) &&
+                           (($navmap->getResourceByUrl($rem.$file) ne '') ||
+                            (($file =~ /^(.*\.s?html?)\.bak$/i) &&
+                             ($navmap->getResourceByUrl($rem.$1)))))));
+             }
+             $unused{$file} = 1;
+         }
+     }
+     if (($actionurl eq '/adm/coursedocs') && (ref($args) eq 'HASH') &&
+         ($args->{'context'} eq 'paste')) {
+         $counter = scalar(keys(%existing));
+         $numpathchg = scalar(keys(%pathchanges));
+         return ($output,$counter,$numpathchg,\%existing);
+     }
+     foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%newfiles)) {
+         if ($actionurl eq '/adm/dependencies') {
+             next if ($embed_file =~ m{^\w+://});
+         }
+         $upload_output .= &start_data_table_row().
+                           '<td><img src="'.&icon($embed_file).'" />&nbsp;'.
+                           '<span class="LC_filename">'.$embed_file.'</span>';
+         unless ($mapping{$embed_file} eq $embed_file) {
+             $upload_output .= '<br /><span class="LC_info" style="font-size:smaller;">'.&mt('changed from: [_1]',$mapping{$embed_file}).'</span>';
+         }
+         $upload_output .= '</td><td>';
+         if ($args->{'ignore_remote_references'} && $embed_file =~ m{^\w+://}) {
+             $upload_output.='<span class="LC_warning">'.&mt("URL points to other server.").'</span>';
+             $numremref++;
+         } elsif ($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>';
+             $numinvalid++;
+         } else {
+             $upload_output .= &embedded_file_element('upload_embedded',$counter,
+                                                      $embed_file,\%mapping,
+                                                      $allfiles,$codebase,'upload');
+             $counter ++;
+             $numnew ++;
+         }
+         $upload_output .= '</td>'.&Apache::loncommon::end_data_table_row()."\n";
+     }
+     foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%existing)) {
+         if ($actionurl eq '/adm/dependencies') {
+             my ($size,$mtime) = &get_dependency_details(\%currfile,\%currsubfile,$embed_file);
+             $modify_output .= &start_data_table_row().
+                               '<td><a href="'.$path.'/'.$embed_file.'" style="text-decoration:none;">'.
+                               '<img src="'.&icon($embed_file).'" border="0" />'.
+                               '&nbsp;<span class="LC_filename">'.$embed_file.'</span></a></td>'.
+                               '<td>'.$size.'</td>'.
+                               '<td>'.$mtime.'</td>'.
+                               '<td><label><input type="checkbox" name="mod_upload_dep" '.
+                               'onclick="toggleBrowse('."'$counter'".')" id="mod_upload_dep_'.
+                               $counter.'" value="'.$counter.'" />'.&mt('Yes').'</label>'.
+                               '<div id="moduploaddep_'.$counter.'" style="display:none;">'.
+                               &embedded_file_element('upload_embedded',$counter,
+                                                      $embed_file,\%mapping,
+                                                      $allfiles,$codebase,'modify').
+                               '</div></td>'.
+                               &end_data_table_row()."\n";
+             $counter ++;
+         } else {
+             $upload_output .= &start_data_table_row().
+                               '<td><span class="LC_filename">'.$embed_file.'</span></td>';
+                               '<td><span class="LC_warning">'.&mt('Already exists').'</span></td>'.
+                               &Apache::loncommon::end_data_table_row()."\n";
+         }
+     }
+     my $delidx = $counter;
+     foreach my $oldfile (sort {lc($a) cmp lc($b)} keys(%unused)) {
+         my ($size,$mtime) = &get_dependency_details(\%currfile,\%currsubfile,$oldfile);
+         $delete_output .= &start_data_table_row().
+                           '<td><img src="'.&icon($oldfile).'" />'.
+                           '&nbsp;<span class="LC_filename">'.$oldfile.'</span></td>'.
+                           '<td>'.$size.'</td>'.
+                           '<td>'.$mtime.'</td>'.
+                           '<td><label><input type="checkbox" name="del_upload_dep" '.
+                           ' value="'.$delidx.'" />'.&mt('Yes').'</label>'.
+                           &embedded_file_element('upload_embedded',$delidx,
+                                                  $oldfile,\%mapping,$allfiles,
+                                                  $codebase,'delete').'</td>'.
+                           &end_data_table_row()."\n";
+         $numunused ++;
+         $delidx ++;
+     }
+     if ($upload_output) {
+         $upload_output = &start_data_table().
+                          $upload_output.
+                          &end_data_table()."\n";
+     }
+     if ($modify_output) {
+         $modify_output = &start_data_table().
+                          &start_data_table_header_row().
+                          '<th>'.&mt('File').'</th>'.
+                          '<th>'.&mt('Size (KB)').'</th>'.
+                          '<th>'.&mt('Modified').'</th>'.
+                          '<th>'.&mt('Upload replacement?').'</th>'.
+                          &end_data_table_header_row().
+                          $modify_output.
+                          &end_data_table()."\n";
+     }
+     if ($delete_output) {
+         $delete_output = &start_data_table().
+                          &start_data_table_header_row().
+                          '<th>'.&mt('File').'</th>'.
+                          '<th>'.&mt('Size (KB)').'</th>'.
+                          '<th>'.&mt('Modified').'</th>'.
+                          '<th>'.&mt('Delete?').'</th>'.
+                          &end_data_table_header_row().
+                          $delete_output.
+                          &end_data_table()."\n";
+     }
+     my $applies = 0;
+     if ($numremref) {
+         $applies ++;
+     }
+     if ($numinvalid) {
+         $applies ++;
+     }
+     if ($numexisting) {
+         $applies ++;
+     }
+     if ($counter || $numunused) {
+         $output = '<form name="upload_embedded" action="'.$actionurl.'"'.
+                   ' method="post" enctype="multipart/form-data">'."\n".
+                   $state.'<h3>'.$heading.'</h3>';
+         if ($actionurl eq '/adm/dependencies') {
+             if ($numnew) {
+                 $output .= '<h4>'.&mt('Missing dependencies').'</h4>'.
+                            '<p>'.&mt('The following files need to be uploaded.').'</p>'."\n".
+                            $upload_output.'<br />'."\n";
+             }
+             if ($numexisting) {
+                 $output .= '<h4>'.&mt('Uploaded dependencies (in use)').'</h4>'.
+                            '<p>'.&mt('Upload a new file to replace the one currently in use.').'</p>'."\n".
+                            $modify_output.'<br />'."\n";
+                            $buttontext = &mt('Save changes');
+             }
+             if ($numunused) {
+                 $output .= '<h4>'.&mt('Unused files').'</h4>'.
+                            '<p>'.&mt('The following uploaded files are no longer used.').'</p>'."\n".
+                            $delete_output.'<br />'."\n";
+                            $buttontext = &mt('Save changes');
+             }
+         } else {
+             $output .= $upload_output.'<br />'."\n";
+         }
+         $output .= '<input type ="hidden" name="number_embedded_items" value="'.
+                    $counter.'" />'."\n";
+         if ($actionurl eq '/adm/dependencies') {
+             $output .= '<input type ="hidden" name="number_newemb_items" value="'.
+                        $numnew.'" />'."\n";
+         } elsif ($actionurl eq '') {
+             $output .=  '<input type="hidden" name="phase" value="three" />';
+         }
+     } elsif ($applies) {
+         $output = '<b>'.&mt('Referenced files').'</b>:<br />';
+         if ($applies > 1) {
+             $output .=
+                 &mt('No files need to be uploaded, as one of the following applies to each reference:').'<ul>';
+             if ($numremref) {
+                 $output .= '<li>'.&mt('reference is to a URL which points to another server').'</li>'."\n";
+             }
+             if ($numinvalid) {
+                 $output .= '<li>'.&mt('reference is to file with a name containing invalid characters').'</li>'."\n";
+             }
+             if ($numexisting) {
+                 $output .= '<li>'.&mt('reference is to an existing file at the specified location').'</li>'."\n";
+             }
+             $output .= '</ul><br />';
+         } elsif ($numremref) {
+             $output .= '<p>'.&mt('None to upload, as all references are to URLs pointing to another server.').'</p>';
+         } elsif ($numinvalid) {
+             $output .= '<p>'.&mt('None to upload, as all references are to files with names containing invalid characters.').'</p>';
+         } elsif ($numexisting) {
+             $output .= '<p>'.&mt('None to upload, as all references are to existing files.').'</p>';
+         }
+         $output .= $upload_output.'<br />';
+     }
+     my ($pathchange_output,$chgcount);
+     $chgcount = $counter;
+     if (keys(%pathchanges) > 0) {
+         foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%pathchanges)) {
+             if ($counter) {
+                 $output .= &embedded_file_element('pathchange',$chgcount,
+                                                   $embed_file,\%mapping,
+                                                   $allfiles,$codebase,'change');
+             } else {
+                 $pathchange_output .=
+                     &start_data_table_row().
+                     '<td><input type ="checkbox" name="namechange" value="'.
+                     $chgcount.'" checked="checked" /></td>'.
+                     '<td>'.$mapping{$embed_file}.'</td>'.
+                     '<td>'.$embed_file.
+                     &embedded_file_element('pathchange',$numpathchg,$embed_file,
+                                            \%mapping,$allfiles,$codebase,'change').
+                     '</td>'.&end_data_table_row();
+             }
+             $numpathchg ++;
+             $chgcount ++;
+         }
+     }
+     if ($counter) {
+         if ($numpathchg) {
+             $output .= '<input type ="hidden" name="number_pathchange_items" value="'.
+                        $numpathchg.'" />'."\n";
+         }
+         if (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank') ||
+             ($actionurl eq '/adm/imsimport')) {
+             $output .= '<input type="hidden" name="phase" value="three" />'."\n";
+         } elsif ($actionurl eq '/adm/portfolio' || $actionurl eq '/adm/coursegrp_portfolio') {
+             $output .= '<input type="hidden" name="action" value="upload_embedded" />';
+         } elsif ($actionurl eq '/adm/dependencies') {
+             $output .= '<input type="hidden" name="action" value="process_changes" />';
+         }
+         $output .=  '<input type ="submit" value="'.$buttontext.'" />'."\n".'</form>'."\n";
+     } elsif ($numpathchg) {
+         my %pathchange = ();
+         $output .= &modify_html_form('pathchange',$actionurl,$state,\%pathchange,$pathchange_output);
+         if (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
+             $output .= '<p>'.&mt('or').'</p>';
+         }
+     }
+     return ($output,$counter,$numpathchg);
+ }
+ sub embedded_file_element {
+     my ($context,$num,$embed_file,$mapping,$allfiles,$codebase,$type) = @_;
+     return unless ((ref($mapping) eq 'HASH') && (ref($allfiles) eq 'HASH') &&
+                    (ref($codebase) eq 'HASH'));
+     my $output;
+     if (($context eq 'upload_embedded') && ($type ne 'delete')) {
+        $output = '<input name="embedded_item_'.$num.'" type="file" value="" />'."\n";
+     }
+     $output .= '<input name="embedded_orig_'.$num.'" type="hidden" value="'.
+                &escape($embed_file).'" />';
+     unless (($context eq 'upload_embedded') &&
+             ($mapping->{$embed_file} eq $embed_file)) {
+         $output .='
+         <input name="embedded_ref_'.$num.'" type="hidden" value="'.&escape($mapping->{$embed_file}).'" />';
+     }
+     my $attrib;
+     if (ref($allfiles->{$mapping->{$embed_file}}) eq 'ARRAY') {
+         $attrib = &escape(join(':',@{$allfiles->{$mapping->{$embed_file}}}));
+     }
+     $output .=
+         "\n\t\t".
+         '<input name="embedded_attrib_'.$num.'" type="hidden" value="'.
+         $attrib.'" />';
+     if (exists($codebase->{$mapping->{$embed_file}})) {
+         $output .=
+             "\n\t\t".
+             '<input name="codebase_'.$num.'" type="hidden" value="'.
+             &escape($codebase->{$mapping->{$embed_file}}).'" />';
+     }
+     return $output;
+ }
+ sub get_dependency_details {
+     my ($currfile,$currsubfile,$embed_file) = @_;
+     my ($size,$mtime,$showsize,$showmtime);
+     if ((ref($currfile) eq 'HASH') && (ref($currsubfile))) {
+         if ($embed_file =~ m{/}) {
+             my ($path,$fname) = split(/\//,$embed_file);
+             if (ref($currsubfile->{$path}{$fname}) eq 'ARRAY') {
+                 ($size,$mtime) = @{$currsubfile->{$path}{$fname}};
+             }
+         } else {
+             if (ref($currfile->{$embed_file}) eq 'ARRAY') {
+                 ($size,$mtime) = @{$currfile->{$embed_file}};
+             }
+         }
+         $showsize = $size/1024.0;
+         $showsize = sprintf("%.1f",$showsize);
+         if ($mtime > 0) {
+             $showmtime = &Apache::lonlocal::locallocaltime($mtime);
+         }
+     }
+     return ($showsize,$showmtime);
+ }
+ sub ask_embedded_js {
+     return <<"END";
+ <script type="text/javascript"">
+ // <![CDATA[
+ function toggleBrowse(counter) {
+     var chkboxid = document.getElementById('mod_upload_dep_'+counter);
+     var fileid = document.getElementById('embedded_item_'+counter);
+     var uploaddivid = document.getElementById('moduploaddep_'+counter);
+     if (chkboxid.checked == true) {
+         uploaddivid.style.display='block';
+     } else {
+         uploaddivid.style.display='none';
+         fileid.value = '';
+     }
+ }
+ // ]]>
+ </script>
+ END
+ }
+ sub upload_embedded {
+     my ($context,$dirpath,$uname,$udom,$dir_root,$url_root,$group,$disk_quota,
+         $current_disk_usage,$hiddenstate,$actionurl) = @_;
+     my (%pathchange,$output,$modifyform,$footer,$returnflag);
+     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'};
+         foreach my $type ('orig','ref','attrib','codebase') {
+             if ($env{'form.embedded_'.$type.'_'.$i} ne '') {
+                 $env{'form.embedded_'.$type.'_'.$i} =
+                     &unescape($env{'form.embedded_'.$type.'_'.$i});
+             }
+         }
+         my ($path,$fname) =
+             ($env{'form.embedded_orig_'.$i} =~ m{(.*/)([^/]*)});
+         # no path, whole string is fname
+         if (!$fname) { $fname = $env{'form.embedded_orig_'.$i} };
+         $fname = &Apache::lonnet::clean_filename($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,$msg) = &check_for_upload($env{'form.currentpath'}.$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') {
+                 $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. ',$1).'<br />';
+             next;
+         } elsif (($fname =~ /\.(\w+)$/) &&
+                  (!defined(&Apache::loncommon::fileembstyle($1)))) {
+             $output .= &mt('Unrecognized file extension ([_1]) - rename the file with a proper extension and re-upload.',$1).'<br />';
+             next;
+         } elsif ($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).'<br />';
+             next;
+         }
+         $env{'form.embedded_item_'.$i.'.filename'}=$fname;
+         if ($context eq 'portfolio') {
+             my $result;
+             if ($state eq 'existingfile') {
+                 $result=
+                     &Apache::lonnet::userfileupload('embedded_item_'.$i,'existingfile',
+                                                     $dirpath.$env{'form.currentpath'}.$path);
+             } else {
+                 $result=
+                     &Apache::lonnet::userfileupload('embedded_item_'.$i,'',
+                                                     $dirpath.
+                                                     $env{'form.currentpath'}.$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 .= &mt('Uploaded [_1]','<span class="LC_filename">'.
+                                $path.$fname.'</span>').'<br />';
+                 }
+             }
+         } elsif ($context eq 'coursedoc') {
+             my $result =
+                 &Apache::lonnet::userfileupload('embedded_item_'.$i,'coursedoc',
+                                                 $dirpath.'/'.$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 .= &mt('Uploaded [_1]','<span class="LC_filename">'.
+                            $path.$fname.'</span>').'<br />';
+             }
+         } 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(/\//,"$dirpath/$path");
+             my $count;
+             my $filepath = $dir_root;
+             foreach my $subdir (@parts) {
+                 $filepath .= "/$subdir";
+                 if (!-e $filepath) {
+                     mkdir($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 {
+                     $output .= &mt('Uploaded [_1]','<span class="LC_filename">'.
+                                $url.'</span>').'<br />';
+                     unless ($context eq 'testbank') {
+                         $footer .= &mt('View embedded file: [_1]',
+                                        '<a href="'.$url.'">'.$fname.'</a>').'<br />';
+                     }
+                 }
+                 close($fh);
+             }
+         }
+         if ($env{'form.embedded_ref_'.$i}) {
+             $pathchange{$i} = 1;
+         }
+     }
+     if ($output) {
+         $output = '<p>'.$output.'</p>';
+     }
+     $output .= &modify_html_form('upload_embedded',$actionurl,$hiddenstate,\%pathchange);
+     $returnflag = 'ok';
+     my $numpathchgs = scalar(keys(%pathchange));
+     if ($numpathchgs > 0) {
+         if ($context eq 'portfolio') {
+             $output .= '<p>'.&mt('or').'</p>';
+         } elsif ($context eq 'testbank') {
+             $output .=  '<p>'.&mt('Or [_1]continue[_2] the testbank import without modifying the reference(s).',
+                                   '<a href="javascript:document.testbankForm.submit();">','</a>').'</p>';
+             $returnflag = 'modify_orightml';
+         }
+     }
+     return ($output.$footer,$returnflag,$numpathchgs);
+ }
+ sub modify_html_form {
+     my ($context,$actionurl,$hiddenstate,$pathchange,$pathchgtable) = @_;
+     my $end = 0;
+     my $modifyform;
+     if ($context eq 'upload_embedded') {
+         return unless (ref($pathchange) eq 'HASH');
+         if ($env{'form.number_embedded_items'}) {
+             $end += $env{'form.number_embedded_items'};
+         }
+         if ($env{'form.number_pathchange_items'}) {
+             $end += $env{'form.number_pathchange_items'};
+         }
+         if ($end) {
+             for (my $i=0; $i<$end; $i++) {
+                 if ($i < $env{'form.number_embedded_items'}) {
+                     next unless($pathchange->{$i});
+                 }
+                 $modifyform .=
+                     &start_data_table_row().
+                     '<td><input type ="checkbox" name="namechange" value="'.$i.'" '.
+                     'checked="checked" /></td>'.
+                     '<td>'.$env{'form.embedded_ref_'.$i}.
+                     '<input type="hidden" name="embedded_ref_'.$i.'" value="'.
+                     &escape($env{'form.embedded_ref_'.$i}).'" />'.
+                     '<input type="hidden" name="embedded_codebase_'.$i.'" value="'.
+                     &escape($env{'form.embedded_codebase_'.$i}).'" />'.
+                     '<input type="hidden" name="embedded_attrib_'.$i.'" value="'.
+                     &escape($env{'form.embedded_attrib_'.$i}).'" /></td>'.
+                     '<td>'.$env{'form.embedded_orig_'.$i}.
+                     '<input type="hidden" name="embedded_orig_'.$i.'" value="'.
+                     &escape($env{'form.embedded_orig_'.$i}).'" /></td>'.
+                     &end_data_table_row();
+             }
+         }
+     } else {
+         $modifyform = $pathchgtable;
+         if (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank')) {
+             $hiddenstate .= '<input type="hidden" name="phase" value="four" />';
+         } elsif (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
+             $hiddenstate .= '<input type="hidden" name="action" value="modify_orightml" />';
+         }
+     }
+     if ($modifyform) {
+         if ($actionurl eq '/adm/dependencies') {
+             $hiddenstate .= '<input type="hidden" name="action" value="modifyhrefs" />';
+         }
+         return '<h3>'.&mt('Changes in content of HTML file required').'</h3>'."\n".
+                '<p>'.&mt('Changes need to be made to the reference(s) used for one or more of the dependencies, if your HTML file is to work correctly:').'<ol>'."\n".
+                '<li>'.&mt('For consistency between the reference(s) and the location of the corresponding stored file within LON-CAPA.').'</li>'."\n".
+                '<li>'.&mt('To change absolute paths to relative paths, or replace directory traversal via "../" within the original reference.').'</li>'."\n".
+                '</ol></p>'."\n".'<p>'.
+                &mt('LON-CAPA can make the required changes to your HTML file.').'</p>'."\n".
+                '<form method="post" name="refchanger" action="'.$actionurl.'">'.
+                &start_data_table()."\n".
+                &start_data_table_header_row().
+                '<th>'.&mt('Change?').'</th>'.
+                '<th>'.&mt('Current reference').'</th>'.
+                '<th>'.&mt('Required reference').'</th>'.
+                &end_data_table_header_row()."\n".
+                $modifyform.
+                &end_data_table().'<br />'."\n".$hiddenstate.
+                '<input type="submit" name="pathchanges" value="'.&mt('Modify HTML file').'" />'.
+                '</form>'."\n";
+     }
+     return;
+ }
+ sub modify_html_refs {
+     my ($context,$dirpath,$uname,$udom,$dir_root) = @_;
+     my $container;
+     if ($context eq 'portfolio') {
+         $container = $env{'form.container'};
+     } elsif ($context eq 'coursedoc') {
+         $container = $env{'form.primaryurl'};
+     } elsif ($context eq 'manage_dependencies') {
+         (undef,undef,$container) = &Apache::lonnet::decode_symb($env{'form.symb'});
+         $container = "/$container";
+     } else {
+         $container = $Apache::lonnet::perlvar{'lonDocRoot'}.$env{'form.filename'};
+     }
+     my (%allfiles,%codebase,$output,$content);
+     my @changes = &get_env_multiple('form.namechange');
+     unless (@changes > 0) {
+         if (wantarray) {
+             return ('',0,0);
+         } else {
+             return;
+         }
+     }
+     if (($context eq 'portfolio') || ($context eq 'coursedoc') ||
+         ($context eq 'manage_dependencies')) {
+         unless ($container =~ m{^/uploaded/\Q$udom\E/\Q$uname\E/}) {
+             if (wantarray) {
+                 return ('',0,0);
+             } else {
+                 return;
+             }
+         }
+         $content = &Apache::lonnet::getfile($container);
+         if ($content eq '-1') {
+             if (wantarray) {
+                 return ('',0,0);
+             } else {
+                 return;
+             }
+         }
+     } else {
+         unless ($container =~ /^\Q$dir_root\E/) {
+             if (wantarray) {
+                 return ('',0,0);
+             } else {
+                 return;
+             }
+         }
+         if (open(my $fh,"<$container")) {
+             $content = join('', <$fh>);
+             close($fh);
+         } else {
+             if (wantarray) {
+                 return ('',0,0);
+             } else {
+                 return;
+             }
+         }
+     }
+     my ($count,$codebasecount) = (0,0);
+     my $mm = new File::MMagic;
+     my $mime_type = $mm->checktype_contents($content);
+     if ($mime_type eq 'text/html') {
+         my $parse_result =
+             &Apache::lonnet::extract_embedded_items($container,\%allfiles,
+                                                     \%codebase,\$content);
+         if ($parse_result eq 'ok') {
+             foreach my $i (@changes) {
+                 my $orig = &unescape($env{'form.embedded_orig_'.$i});
+                 my $ref = &unescape($env{'form.embedded_ref_'.$i});
+                 if ($allfiles{$ref}) {
+                     my $newname =  $orig;
+                     my ($attrib_regexp,$codebase);
+                     $attrib_regexp = &unescape($env{'form.embedded_attrib_'.$i});
+                     if ($attrib_regexp =~ /:/) {
+                         $attrib_regexp =~ s/\:/|/g;
+                     }
+                     if ($content =~ m{($attrib_regexp\s*=\s*['"]?)\Q$ref\E(['"]?)}) {
+                         my $numchg = ($content =~ s{($attrib_regexp\s*=\s*['"]?)\Q$ref\E(['"]?)}{$1$newname$2}gi);
+                         $count += $numchg;
+                     }
+                     if ($env{'form.embedded_codebase_'.$i} ne '') {
+                         $codebase = &unescape($env{'form.embedded_codebase_'.$i});
+                         my $numchg = ($content =~ s/(codebase\s*=\s*["']?)\Q$codebase\E(["']?)/$1.$2/i); #' stupid emacs
+                         $codebasecount ++;
+                     }
+                 }
+             }
+             if ($count || $codebasecount) {
+                 my $saveresult;
+                 if (($context eq 'portfolio') || ($context eq 'coursedoc') ||
+                     ($context eq 'manage_dependencies')) {
+                     my $url = &Apache::lonnet::store_edited_file($container,$content,$udom,$uname,\$saveresult);
+                     if ($url eq $container) {
+                         my ($fname) = ($container =~ m{/([^/]+)$});
+                         $output = '<p>'.&mt('Updated [quant,_1,reference] in [_2].',
+                                             $count,'<span class="LC_filename">'.
+                                             $fname.'</span>').'</p>';
+                     } else {
+                          $output = '<p class="LC_error">'.
+                                    &mt('Error: update failed for: [_1].',
+                                    '<span class="LC_filename">'.
+                                    $container.'</span>').'</p>';
+                     }
+                 } else {
+                     if (open(my $fh,">$container")) {
+                         print $fh $content;
+                         close($fh);
+                         $output = '<p>'.&mt('Updated [quant,_1,reference] in [_2].',
+                                   $count,'<span class="LC_filename">'.
+                                   $container.'</span>').'</p>';
+                     } else {
+                          $output = '<p class="LC_error">'.
+                                    &mt('Error: could not update [_1].',
+                                    '<span class="LC_filename">'.
+                                    $container.'</span>').'</p>';
+                     }
+                 }
+             }
+         } else {
+             &logthis('Failed to parse '.$container.
+                      ' to modify references: '.$parse_result);
+         }
+     }
+     if (wantarray) {
+         return ($output,$count,$codebasecount);
+     } else {
+         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.'.$element});
+     if (!$filesize) {
+         my $msg = '<span class="LC_error">'.
+                   &mt('Unable to upload [_1]. (size = [_2] bytes)',
+                       '<span class="LC_filename">'.$fname.'</span>',
+                       $filesize).'<br />'.
+                   &mt('Either the file you attempted to upload was empty, or your web browser was unable to read its contents.').'<br />'.
+                   '</span>';
+         return ('zero_bytes',$msg);
+     }
+     $filesize =  $filesize/1000; #express in k (1024?)
+     my $getpropath = 1;
+     my ($dirlistref,$listerror) =
+          &Apache::lonnet::dirlist($portfolio_root.$path,$udom,$uname,$getpropath);
+     my $found_file = 0;
+     my $locked_file = 0;
+     my @lockers;
+     my $navmap;
+     if ($env{'request.course.id'}) {
+         $navmap = Apache::lonnavmaps::navmap->new();
+     }
+     if (ref($dirlistref) eq 'ARRAY') {
+         foreach my $line (@{$dirlistref}) {
+             my ($file_name,$rest)=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,\@lockers) eq 'true') {
+                     foreach my $lock (@lockers) {
+                         if (ref($lock) eq 'ARRAY') {
+                             my ($symb,$crsid) = @{$lock};
+                             if ($crsid eq $env{'request.course.id'}) {
+                                 if (ref($navmap)) {
+                                     my $res = $navmap->getBySymb($symb);
+                                     foreach my $part (@{$res->parts()}) {
+                                         my ($slot_status,$slot_time,$slot_name)=$res->check_for_slot($part);
+                                         unless (($slot_status == $res->RESERVED) ||
+                                                 ($slot_status == $res->RESERVED_LOCATION)) {
+                                             $locked_file = 1;
+                                         }
+                                     }
+                                 } else {
+                                     $locked_file = 1;
+                                 }
+                             } else {
+                                 $locked_file = 1;
+                             }
+                         }
+                    }
+                 } else {
+                     my @info = split(/\&/,$rest);
+                     my $currsize = $info[6]/1000;
+                     if ($currsize < $filesize) {
+                         my $extra = $filesize - $currsize;
+                         if (($current_disk_usage + $extra) > $disk_quota) {
+                             my $msg = '<span class="LC_error">'.
+                                       &mt('Unable to upload [_1]. (size = [_2] kilobytes). Disk quota will be exceeded if existing (smaller) file with same name (size = [_3] kilobytes) is replaced.',
+                                           '<span class="LC_filename">'.$fname.'</span>',$filesize,$currsize).'</span>'.
+                                       '<br />'.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.',
+                                                    $disk_quota,$current_disk_usage);
+                             return ('will_exceed_quota',$msg);
+                         }
+                     }
+                 }
+             }
+         }
+     }
+     if (($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">';
+             $msg .= &mt(' A file by that name: [_1] was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$port_path.$env{'form.currentpath'});
+             $msg .= '</span>';
+             return ('existingfile',$msg);
+         }
+     }
+ }
+ sub check_for_traversal {
+     my ($path,$url,$toplevel) = @_;
+     my @parts=split(/\//,$path);
+     my $cleanpath;
+     my $fullpath = $url;
+     for (my $i=0;$i<@parts;$i++) {
+         next if ($parts[$i] eq '.');
+         if ($parts[$i] eq '..') {
+             $fullpath =~ s{([^/]+/)$}{};
+         } else {
+             $fullpath .= $parts[$i].'/';
+         }
+     }
+     if ($fullpath =~ /^\Q$url\E(.*)$/) {
+         $cleanpath = $1;
+     } elsif ($fullpath =~ /^\Q$toplevel\E(.*)$/) {
+         my $curr_toprel = $1;
+         my @parts = split(/\//,$curr_toprel);
+         my ($url_toprel) = ($url =~ /^\Q$toplevel\E(.*)$/);
+         my @urlparts = split(/\//,$url_toprel);
+         my $doubledots;
+         my $startdiff = -1;
+         for (my $i=0; $i<@urlparts; $i++) {
+             if ($startdiff == -1) {
+                 unless ($urlparts[$i] eq $parts[$i]) {
+                     $startdiff = $i;
+                     $doubledots .= '../';
+                 }
+             } else {
+                 $doubledots .= '../';
+             }
+         }
+         if ($startdiff > -1) {
+             $cleanpath = $doubledots;
+             for (my $i=$startdiff; $i<@parts; $i++) {
+                 $cleanpath .= $parts[$i].'/';
+             }
+         }
+     }
+     $cleanpath =~ s{(/)$}{};
+     return $cleanpath;
+ }
+ sub is_archive_file {
+     my ($mimetype) = @_;
+     if (($mimetype eq 'application/octet-stream') ||
+         ($mimetype eq 'application/x-stuffit') ||
+         ($mimetype =~ m{^application/(x\-)?(compressed|tar|zip|tgz|gz|gtar|gzip|gunzip|bz|bz2|bzip2)})) {
+         return 1;
+     }
+     return;
+ }
+ sub decompress_form {
+     my ($mimetype,$archiveurl,$action,$noextract,$hiddenelements,$dirlist) = @_;
+     my %lt = &Apache::lonlocal::texthash (
+         this => 'This file is an archive file.',
+         camt => 'This file is a Camtasia archive file.',
+         itsc => 'Its contents are as follows:',
+         youm => 'You may wish to extract its contents.',
+         extr => 'Extract contents',
+         auto => 'LON-CAPA can process the files automatically, or you can decide how each should be handled.',
+         proa => 'Process automatically?',
+         yes  => 'Yes',
+         no   => 'No',
+         fold => 'Title for folder containing movie',
+         movi => 'Title for page containing embedded movie',
+     );
+     my $fileloc = &Apache::lonnet::filelocation(undef,$archiveurl);
+     my ($is_camtasia,$topdir,%toplevel,@paths);
+     my $info = &list_archive_contents($fileloc,\@paths);
+     if (@paths) {
+         foreach my $path (@paths) {
+             $path =~ s{^/}{};
+             if ($path =~ m{^([^/]+)/$}) {
+                 $topdir = $1;
+             }
+             if ($path =~ m{^([^/]+)/}) {
+                 $toplevel{$1} = $path;
+             } else {
+                 $toplevel{$path} = $path;
+             }
+         }
+     }
+     if ($mimetype =~ m{^application/(x\-)?(compressed|zip)}) {
+         my @camtasia = ("$topdir/","$topdir/index.html",
+                         "$topdir/media/",
+                         "$topdir/media/$topdir.mp4",
+                         "$topdir/media/FirstFrame.png",
+                         "$topdir/media/player.swf",
+                         "$topdir/media/swfobject.js",
+                         "$topdir/media/expressInstall.swf");
+         my @diffs = &compare_arrays(\@paths,\@camtasia);
+         if (@diffs == 0) {
+             $is_camtasia = 1;
+         }
+     }
+     my $output;
+     if ($is_camtasia) {
+         $output = <<"ENDCAM";
+ <script type="text/javascript" language="Javascript">
+ // <![CDATA[
+ function camtasiaToggle() {
+     for (var i=0; i<document.uploaded_decompress.autoextract_camtasia.length; i++) {
+         if (document.uploaded_decompress.autoextract_camtasia[i].checked) {
+             if (document.uploaded_decompress.autoextract_camtasia[i].value == 1) {
+                 document.getElementById('camtasia_titles').style.display='block';
+             } else {
+                 document.getElementById('camtasia_titles').style.display='none';
+             }
+         }
+     }
+     return;
+ }
+ // ]]>
+ </script>
+ <p>$lt{'camt'}</p>
+ ENDCAM
+     } else {
+         $output = '<p>'.$lt{'this'};
+         if ($info eq '') {
+             $output .= ' '.$lt{'youm'}.'</p>'."\n";
+         } else {
+             $output .= ' '.$lt{'itsc'}.'</p>'."\n".
+                        '<div><pre>'.$info.'</pre></div>';
+         }
+     }
+     $output .= '<form name="uploaded_decompress" action="'.$action.'" method="post">'."\n";
+     my $duplicates;
+     my $num = 0;
+     if (ref($dirlist) eq 'ARRAY') {
+         foreach my $item (@{$dirlist}) {
+             if (ref($item) eq 'ARRAY') {
+                 if (exists($toplevel{$item->[0]})) {
+                     $duplicates .=
+                         &start_data_table_row().
+                         '<td><label><input type="radio" name="archive_overwrite_'.$num.'" '.
+                         'value="0" checked="checked" />'.&mt('No').'</label>'.
+                         '&nbsp;<label><input type="radio" name="archive_overwrite_'.$num.'" '.
+                         'value="1" />'.&mt('Yes').'</label>'.
+                         '<input type="hidden" name="archive_overwrite_name_'.$num.'" value="'.$item->[0].'" /></td>'."\n".
+                         '<td>'.$item->[0].'</td>';
+                     if ($item->[2]) {
+                         $duplicates .= '<td>'.&mt('Directory').'</td>';
+                     } else {
+                         $duplicates .= '<td>'.&mt('File').'</td>';
+                     }
+                     $duplicates .= '<td>'.$item->[3].'</td>'.
+                                    '<td>'.
+                                    &Apache::lonlocal::locallocaltime($item->[4]).
+                                    '</td>'.
+                                    &end_data_table_row();
+                     $num ++;
+                 }
+             }
+         }
+     }
+     my $itemcount;
+     if (@paths > 0) {
+         $itemcount = scalar(@paths);
+     } else {
+         $itemcount = 1;
+     }
+     if ($is_camtasia) {
+         $output .= $lt{'auto'}.'<br />'.
+                    '<span class="LC_nobreak">'.$lt{'proa'}.'<label>'.
+                    '<input type="radio" name="autoextract_camtasia" value="1" onclick="javascript:camtasiaToggle();" checked="checked" />'.
+                    $lt{'yes'}.'</label>&nbsp;<label>'.
+                    '<input type="radio" name="autoextract_camtasia" value="0" onclick="javascript:camtasiaToggle();" />'.
+                    $lt{'no'}.'</label></span><br />'.
+                    '<div id="camtasia_titles" style="display:block">'.
+                    &Apache::lonhtmlcommon::start_pick_box().
+                    &Apache::lonhtmlcommon::row_title($lt{'fold'}).
+                    '<input type="textbox" name="camtasia_foldername" value="'.$env{'form.comment'}.'" />'."\n".
+                    &Apache::lonhtmlcommon::row_closure().
+                    &Apache::lonhtmlcommon::row_title($lt{'movi'}).
+                    '<input type="textbox" name="camtasia_moviename" value="" />'."\n".
+                    &Apache::lonhtmlcommon::row_closure(1).
+                    &Apache::lonhtmlcommon::end_pick_box().
+                    '</div>';
+     }
+     $output .=
+         '<input type="hidden" name="archive_overwrite_total" value="'.$num.'" />'.
+         '<input type="hidden" name="archive_itemcount" value="'.$itemcount.'" />'.
+         "\n";
+     if ($duplicates ne '') {
+         $output .= '<p><span class="LC_warning">'.
+                    &mt('Warning: decompression of the archive will overwrite the following items which already exist:').'</span><br />'.
+                    &start_data_table().
+                    &start_data_table_header_row().
+                    '<th>'.&mt('Overwrite?').'</th>'.
+                    '<th>'.&mt('Name').'</th>'.
+                    '<th>'.&mt('Type').'</th>'.
+                    '<th>'.&mt('Size').'</th>'.
+                    '<th>'.&mt('Last modified').'</th>'.
+                    &end_data_table_header_row().
+                    $duplicates.
+                    &end_data_table().
+                    '</p>';
+     }
+     $output .= '<input type="hidden" name="archiveurl" value="'.$archiveurl.'" />'."\n";
+     if (ref($hiddenelements) eq 'HASH') {
+         foreach my $hidden (sort(keys(%{$hiddenelements}))) {
+             $output .= '<input type="hidden" name="'.$hidden.'" value="'.$hiddenelements->{$hidden}.'" />'."\n";
+         }
+     }
+     $output .= <<"END";
+ <br />
+ <input type="submit" name="decompress" value="$lt{'extr'}" />
+ </form>
+ $noextract
+ END
+     return $output;
+ }
+ sub decompression_utility {
+     my ($program) = @_;
+     my @utilities = ('tar','gunzip','bunzip2','unzip');
+     my $location;
+     if (grep(/^\Q$program\E$/,@utilities)) {
+         foreach my $dir ('/bin/','/usr/bin/','/usr/local/bin/','/sbin/',
+                          '/usr/sbin/') {
+             if (-x $dir.$program) {
+                 $location = $dir.$program;
+                 last;
+             }
+         }
+     }
+     return $location;
+ }
+ sub list_archive_contents {
+     my ($file,$pathsref) = @_;
+     my (@cmd,$output);
+     my $needsregexp;
+     if ($file =~ /\.zip$/) {
+         @cmd = (&decompression_utility('unzip'),"-l");
+         $needsregexp = 1;
+     } elsif (($file =~ m/\.tar\.gz$/) ||
+              ($file =~ /\.tgz$/)) {
+         @cmd = (&decompression_utility('tar'),"-ztf");
+     } elsif ($file =~ /\.tar\.bz2$/) {
+         @cmd = (&decompression_utility('tar'),"-jtf");
+     } elsif ($file =~ m|\.tar$|) {
+         @cmd = (&decompression_utility('tar'),"-tf");
+     }
+     if (@cmd) {
+         undef($!);
+         undef($@);
+         if (open(my $fh,"-|", @cmd, $file)) {
+             while (my $line = <$fh>) {
+                 $output .= $line;
+                 chomp($line);
+                 my $item;
+                 if ($needsregexp) {
+                     ($item) = ($line =~ /^\s*\d+\s+[\d\-]+\s+[\d:]+\s*(.+)$/);
+                 } else {
+                     $item = $line;
+                 }
+                 if ($item ne '') {
+                     unless (grep(/^\Q$item\E$/,@{$pathsref})) {
+                         push(@{$pathsref},$item);
+                     }
+                 }
+             }
+             close($fh);
+         }
+     }
+     return $output;
+ }
+ sub decompress_uploaded_file {
+     my ($file,$dir) = @_;
+     &Apache::lonnet::appenv({'cgi.file' => $file});
+     &Apache::lonnet::appenv({'cgi.dir' => $dir});
+     my $result = &Apache::lonnet::ssi_body('/cgi-bin/decompress.pl');
+     my ($handle) = ($env{'user.environment'} =~m{/([^/]+)\.id$});
+     my $lonidsdir = $Apache::lonnet::perlvar{'lonIDsDir'};
+     &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle,1);
+     my $decompressed = $env{'cgi.decompressed'};
+     &Apache::lonnet::delenv('cgi.file');
+     &Apache::lonnet::delenv('cgi.dir');
+     &Apache::lonnet::delenv('cgi.decompressed');
+     return ($decompressed,$result);
+ }
+ sub process_decompression {
+     my ($docudom,$docuname,$file,$destination,$dir_root,$hiddenelem) = @_;
+     my ($dir,$error,$warning,$output);
+     if ($file !~ /\.(zip|tar|bz2|gz|tar.gz|tar.bz2|tgz)$/) {
+         $error = &mt('File name not a supported archive file type.').
+                  '<br />'.&mt('File name should end with one of: [_1].',
+                               '.zip, .tar, .bz2, .gz, .tar.gz, .tar.bz2, .tgz');
+     } else {
+         my $docuhome = &Apache::lonnet::homeserver($docuname,$docudom);
+         if ($docuhome eq 'no_host') {
+             $error = &mt('Could not determine home server for course.');
+         } else {
+             my @ids=&Apache::lonnet::current_machine_ids();
+             my $currdir = "$dir_root/$destination";
+             if (grep(/^\Q$docuhome\E$/,@ids)) {
+                 $dir = &LONCAPA::propath($docudom,$docuname).
+                        "$dir_root/$destination";
+             } else {
+                 $dir = $Apache::lonnet::perlvar{'lonDocRoot'}.
+                        "$dir_root/$docudom/$docuname/$destination";
+                 unless (&Apache::lonnet::repcopy_userfile("$dir/$file") eq 'ok') {
+                     $error = &mt('Archive file not found.');
+                 }
+             }
+             my (@to_overwrite,@to_skip);
+             if ($env{'form.archive_overwrite_total'} > 0) {
+                 my $total = $env{'form.archive_overwrite_total'};
+                 for (my $i=0; $i<$total; $i++) {
+                     if ($env{'form.archive_overwrite_'.$i} == 1) {
+                         push(@to_overwrite,$env{'form.archive_overwrite_name_'.$i});
+                     } elsif ($env{'form.archive_overwrite_'.$i} == 0) {
+                         push(@to_skip,$env{'form.archive_overwrite_name_'.$i});
+                     }
+                 }
+             }
+             my $numskip = scalar(@to_skip);
+             if (($numskip > 0) &&
+                 ($numskip == $env{'form.archive_itemcount'})) {
+                 $warning = &mt('All items in the archive file already exist, and no overwriting of existing files has been requested.');
+             } elsif ($dir eq '') {
+                 $error = &mt('Directory containing archive file unavailable.');
+             } elsif (!$error) {
+                 my ($decompressed,$display);
+                 if ($numskip > 0) {
+                     my $tempdir = time.'_'.$$.int(rand(10000));
+                     mkdir("$dir/$tempdir",0755);
+                     system("mv $dir/$file $dir/$tempdir/$file");
+                     ($decompressed,$display) =
+                         &decompress_uploaded_file($file,"$dir/$tempdir");
+                     foreach my $item (@to_skip) {
+                         if (($item ne '') && ($item !~ /\.\./)) {
+                             if (-f "$dir/$tempdir/$item") {
+                                 unlink("$dir/$tempdir/$item");
+                             } elsif (-d "$dir/$tempdir/$item") {
+                                 system("rm -rf $dir/$tempdir/$item");
+                             }
+                         }
+                     }
+                     system("mv $dir/$tempdir/* $dir");
+                     rmdir("$dir/$tempdir");
+                 } else {
+                     ($decompressed,$display) =
+                         &decompress_uploaded_file($file,$dir);
+                 }
+                 if ($decompressed eq 'ok') {
+                     $output = '<p class="LC_info">'.
+                               &mt('Files extracted successfully from archive.').
+                               '</p>'."\n";
+                     my ($warning,$result,@contents);
+                     my ($newdirlistref,$newlisterror) =
+                         &Apache::lonnet::dirlist($currdir,$docudom,
+                                                  $docuname,1);
+                     my (%is_dir,%changes,@newitems);
+                     my $dirptr = 16384;
+                     if (ref($newdirlistref) eq 'ARRAY') {
+                         foreach my $dir_line (@{$newdirlistref}) {
+                             my ($item,undef,undef,$testdir)=split(/\&/,$dir_line,5);
+                             unless (($item =~ /^\.+$/) || ($item eq $file) ||
+                                     ((@to_skip > 0) && (grep(/^\Q$item\E$/,@to_skip)))) {
+                                 push(@newitems,$item);
+                                 if ($dirptr&$testdir) {
+                                     $is_dir{$item} = 1;
+                                 }
+                                 $changes{$item} = 1;
+                             }
+                         }
+                     }
+                     if (keys(%changes) > 0) {
+                         foreach my $item (sort(@newitems)) {
+                             if ($changes{$item}) {
+                                 push(@contents,$item);
+                             }
+                         }
+                     }
+                     if (@contents > 0) {
+                         my $wantform;
+                         unless ($env{'form.autoextract_camtasia'}) {
+                             $wantform = 1;
+                         }
+                         my (%children,%parent,%dirorder,%titles);
+                         my ($count,$datatable) = &get_extracted($docudom,$docuname,
+                                                                 $currdir,\%is_dir,
+                                                                 \%children,\%parent,
+                                                                 \@contents,\%dirorder,
+                                                                 \%titles,$wantform);
+                         if ($datatable ne '') {
+                             $output .= &archive_options_form('decompressed',$datatable,
+                                                              $count,$hiddenelem);
+                             my $startcount = 6;
+                             $output .= &archive_javascript($startcount,$count,
+                                                            \%titles,\%children);
+                         }
+                         if ($env{'form.autoextract_camtasia'}) {
+                             my %displayed;
+                             my $total = 1;
+                             $env{'form.archive_directory'} = [];
+                             foreach my $i (sort { $a <=> $b } keys(%dirorder)) {
+                                 my $path = join('/',map { $titles{$_}; } @{$dirorder{$i}});
+                                 $path =~ s{/$}{};
+                                 my $item;
+                                 if ($path ne '') {
+                                     $item = "$path/$titles{$i}";
+                                 } else {
+                                     $item = $titles{$i};
+                                 }
+                                 $env{'form.archive_content_'.$i} = "$dir_root/$destination/$item";
+                                 if ($item eq $contents[0]) {
+                                     push(@{$env{'form.archive_directory'}},$i);
+                                     $env{'form.archive_'.$i} = 'display';
+                                     $env{'form.archive_title_'.$i} = $env{'form.camtasia_foldername'};
+                                     $displayed{'folder'} = $i;
+                                 } elsif ($item eq "$contents[0]/index.html") {
+                                     $env{'form.archive_'.$i} = 'display';
+                                     $env{'form.archive_title_'.$i} = $env{'form.camtasia_moviename'};
+                                     $displayed{'web'} = $i;
+                                 } else {
+                                     if ($item eq "$contents[0]/media") {
+                                         push(@{$env{'form.archive_directory'}},$i);
+                                     }
+                                     $env{'form.archive_'.$i} = 'dependency';
+                                 }
+                                 $total ++;
+                             }
+                             for (my $i=1; $i<$total; $i++) {
+                                 next if ($i == $displayed{'web'});
+                                 next if ($i == $displayed{'folder'});
+                                 $env{'form.archive_dependent_on_'.$i} = $displayed{'web'};
+                             }
+                             $env{'form.phase'} = 'decompress_cleanup';
+                             $env{'form.archivedelete'} = 1;
+                             $env{'form.archive_count'} = $total-1;
+                             $output .=
+                                 &process_extracted_files('coursedocs',$docudom,
+                                                          $docuname,$destination,
+                                                          $dir_root,$hiddenelem);
+                         }
+                     } else {
+                         $warning = &mt('No new items extracted from archive file.');
+                     }
+                 } else {
+                     $output = $display;
+                     $error = &mt('An error occurred during extraction from the archive file.');
+                 }
+             }
+         }
+     }
+     if ($error) {
+         $output .= '<p class="LC_error">'.&mt('Not extracted.').'<br />'.
+                    $error.'</p>'."\n";
+     }
+     if ($warning) {
+         $output .= '<p class="LC_warning">'.$warning.'</p>'."\n";
+     }
+     return $output;
+ }
+ sub get_extracted {
+     my ($docudom,$docuname,$currdir,$is_dir,$children,$parent,$contents,$dirorder,
+         $titles,$wantform) = @_;
+     my $count = 0;
+     my $depth = 0;
+     my $datatable;
+     my @hierarchy;
+     return unless ((ref($is_dir) eq 'HASH') && (ref($children) eq 'HASH') &&
+                    (ref($parent) eq 'HASH') && (ref($contents) eq 'ARRAY') &&
+                    (ref($dirorder) eq 'HASH') && (ref($titles) eq 'HASH'));
+     foreach my $item (@{$contents}) {
+         $count ++;
+         @{$dirorder->{$count}} = @hierarchy;
+         $titles->{$count} = $item;
+         &archive_hierarchy($depth,$count,$parent,$children);
+         if ($wantform) {
+             $datatable .= &archive_row($is_dir->{$item},$item,
+                                        $currdir,$depth,$count);
+         }
+         if ($is_dir->{$item}) {
+             $depth ++;
+             push(@hierarchy,$count);
+             $parent->{$depth} = $count;
+             $datatable .=
+                 &recurse_extracted_archive("$currdir/$item",$docudom,$docuname,
+                                            \$depth,\$count,\@hierarchy,$dirorder,
+                                            $children,$parent,$titles,$wantform);
+             $depth --;
+             pop(@hierarchy);
+         }
+     }
+     return ($count,$datatable);
+ }
+ sub recurse_extracted_archive {
+     my ($currdir,$docudom,$docuname,$depth,$count,$hierarchy,$dirorder,
+         $children,$parent,$titles,$wantform) = @_;
+     my $result='';
+     unless ((ref($depth)) && (ref($count)) && (ref($hierarchy) eq 'ARRAY') &&
+             (ref($children) eq 'HASH') && (ref($parent) eq 'HASH') &&
+             (ref($dirorder) eq 'HASH')) {
+         return $result;
+     }
+     my $dirptr = 16384;
+     my ($newdirlistref,$newlisterror) =
+         &Apache::lonnet::dirlist($currdir,$docudom,$docuname,1);
+     if (ref($newdirlistref) eq 'ARRAY') {
+         foreach my $dir_line (@{$newdirlistref}) {
+             my ($item,undef,undef,$testdir)=split(/\&/,$dir_line,5);
+             unless ($item =~ /^\.+$/) {
+                 $$count ++;
+                 @{$dirorder->{$$count}} = @{$hierarchy};
+                 $titles->{$$count} = $item;
+                 &archive_hierarchy($$depth,$$count,$parent,$children);
+                 my $is_dir;
+                 if ($dirptr&$testdir) {
+                     $is_dir = 1;
+                 }
+                 if ($wantform) {
+                     $result .= &archive_row($is_dir,$item,$currdir,$$depth,$$count);
+                 }
+                 if ($is_dir) {
+                     $$depth ++;
+                     push(@{$hierarchy},$$count);
+                     $parent->{$$depth} = $$count;
+                     $result .=
+                         &recurse_extracted_archive("$currdir/$item",$docudom,
+                                                    $docuname,$depth,$count,
+                                                    $hierarchy,$dirorder,$children,
+                                                    $parent,$titles,$wantform);
+                     $$depth --;
+                     pop(@{$hierarchy});
+                 }
+             }
+         }
+     }
+     return $result;
+ }
+ sub archive_hierarchy {
+     my ($depth,$count,$parent,$children) =@_;
+     if ((ref($parent) eq 'HASH') && (ref($children) eq 'HASH')) {
+         if (exists($parent->{$depth})) {
+              $children->{$parent->{$depth}} .= $count.':';
+         }
+     }
+     return;
+ }
+ sub archive_row {
+     my ($is_dir,$item,$currdir,$depth,$count) = @_;
+     my ($name) = ($item =~ m{([^/]+)$});
+     my %choices = &Apache::lonlocal::texthash (
+                                        'display'    => 'Add as file',
+                                        'dependency' => 'Include as dependency',
+                                        'discard'    => 'Discard',
+                                       );
+     if ($is_dir) {
+         $choices{'display'} = &mt('Add as folder');
+     }
+     my $output = &start_data_table_row().'<td align="right">'.$count.'</td>'."\n";
+     my $offset = 0;
+     foreach my $action ('display','dependency','discard') {
+         $offset ++;
+         if ($action ne 'display') {
+             $offset ++;
+         }
+         $output .= '<td><span class="LC_nobreak">'.
+                    '<label><input type="radio" name="archive_'.$count.
+                    '" id="archive_'.$action.'_'.$count.'" value="'.$action.'"';
+         my $text = $choices{$action};
+         if ($is_dir) {
+             $output .= ' onclick="javascript:propagateCheck(this.form,'."'$count'".');"';
+             if ($action eq 'display') {
+                 $text = &mt('Add as folder');
+             }
+         } else {
+             $output .= ' onclick="javascript:dependencyCheck(this.form,'."$count,$offset".');"';
+         }
+         $output .= ' />&nbsp;'.$choices{$action}.'</label></span>';
+         if ($action eq 'dependency') {
+             $output .= '<div id="arc_depon_'.$count.'" style="display:none;">'."\n".
+                        &mt('Used by:').'&nbsp;<select name="archive_dependent_on_'.$count.'" '.
+                        'onchange="propagateSelect(this.form,'."$count,$offset".')">'."\n".
+                        '<option value=""></option>'."\n".
+                        '</select>'."\n".
+                        '</div>';
+         } elsif ($action eq 'display') {
+             $output .= '<div id="arc_title_'.$count.'" style="display:none;">'."\n".
+                        &mt('Title:').'&nbsp;<input type="text" name="archive_title_'.$count.'" id="archive_title_'.$count.'" />'."\n".
+                        '</div>';
+         }
+         $output .= '</td>';
+     }
+     $output .= '<td><input type="hidden" name="archive_content_'.$count.'" value="'.
+                &HTML::Entities::encode("$currdir/$item",'"<>&').'" />'.('&nbsp;' x 2);
+     for (my $i=0; $i<$depth; $i++) {
+         $output .= ('<img src="/adm/lonIcons/whitespace1.gif" class="LC_docs_spacer" alt="" />' x2)."\n";
+     }
+     if ($is_dir) {
+         $output .= '<img src="/adm/lonIcons/navmap.folder.open.gif" alt="" />&nbsp;'."\n".
+                    '<input type="hidden" name="archive_directory" value="'.$count.'" />'."\n";
+     } else {
+         $output .= '<input type="hidden" name="archive_file" value="'.$count.'" />'."\n";
+     }
+     $output .= '&nbsp;'.$name.'</td>'."\n".
+                &end_data_table_row();
+     return $output;
+ }
+ sub archive_options_form {
+     my ($form,$display,$count,$hiddenelem) = @_;
+     my %lt = &Apache::lonlocal::texthash(
+                perm => 'Permanently remove archive file?',
+                hows => 'How should each extracted item be incorporated in the course?',
+                cont => 'Content actions for all',
+                addf => 'Add as folder/file',
+                incd => 'Include as dependency for a displayed file',
+                disc => 'Discard',
+                no   => 'No',
+                yes  => 'Yes',
+                save => 'Save',
+     );
+     my $output = <<"END";
+ <form name="$form" method="post" action="">
+ <p><span class="LC_nobreak">$lt{'perm'}&nbsp;
+ <label>
+   <input type="radio" name="archivedelete" value="0" checked="checked" />$lt{'no'}
+ </label>
+ &nbsp;
+ <label>
+   <input type="radio" name="archivedelete" value="1" />$lt{'yes'}</label>
+ </span>
+ </p>
+ <input type="hidden" name="phase" value="decompress_cleanup" />
+ <br />$lt{'hows'}
+ <div class="LC_columnSection">
+   <fieldset>
+     <legend>$lt{'cont'}</legend>
+     <input type="button" value="$lt{'addf'}" onclick="javascript:checkAll(document.$form,'display');" />
+     &nbsp;&nbsp;<input type="button" value="$lt{'incd'}" onclick="javascript:checkAll(document.$form,'dependency');" />
+     &nbsp;&nbsp;<input type="button" value="$lt{'disc'}" onclick="javascript:checkAll(document.$form,'discard');" />
+   </fieldset>
+ </div>
+ END
+     return $output.
+            &start_data_table()."\n".
+            $display."\n".
+            &end_data_table()."\n".
+            '<input type="hidden" name="archive_count" value="'.$count.'" />'.
+            $hiddenelem.
+            '<br /><input type="submit" name="archive_submit" value="'.$lt{'save'}.'" />'.
+            '</form>';
+ }
+ sub archive_javascript {
+     my ($startcount,$numitems,$titles,$children) = @_;
+     return unless ((ref($titles) eq 'HASH') && (ref($children) eq 'HASH'));
+     my $maintitle = $env{'form.comment'};
+     my $scripttag = <<START;
+ <script type="text/javascript">
+ // <![CDATA[
+ function checkAll(form,prefix) {
+     var idstr =  new RegExp("^archive_"+prefix+"_\\\\d+\$");
+     for (var i=0; i < form.elements.length; i++) {
+         var id = form.elements[i].id;
+         if ((id != '') && (id != undefined)) {
+             if (idstr.test(id)) {
+                 if (form.elements[i].type == 'radio') {
+                     form.elements[i].checked = true;
+                     var nostart = i-$startcount;
+                     var offset = nostart%7;
+                     var count = (nostart-offset)/7;
+                     dependencyCheck(form,count,offset);
+                 }
+             }
+         }
+     }
+ }
+ function propagateCheck(form,count) {
+     if (count > 0) {
+         var startelement = $startcount + ((count-1) * 7);
+         for (var j=1; j<6; j++) {
+             if ((j != 2) && (j != 4)) {
+                 var item = startelement + j;
+                 if (form.elements[item].type == 'radio') {
+                     if (form.elements[item].checked) {
+                         containerCheck(form,count,j);
+                         break;
+                     }
+                 }
+             }
+         }
+     }
+ }
+ numitems = $numitems
+ var titles = new Array(numitems);
+ var parents = new Array(numitems);
+ for (var i=0; i<numitems; i++) {
+     parents[i] = new Array;
+ }
+ var maintitle = '$maintitle';
+ START
+     foreach my $container (sort { $a <=> $b } (keys(%{$children}))) {
+         my @contents = split(/:/,$children->{$container});
+         for (my $i=0; $i<@contents; $i ++) {
+             $scripttag .= 'parents['.$container.']['.$i.'] = '.$contents[$i]."\n";
+         }
+     }
+     foreach my $key (sort { $a <=> $b } (keys(%{$titles}))) {
+         $scripttag .= "titles[$key] = '".$titles->{$key}."';\n";
+     }
+     $scripttag .= <<END;
+ function containerCheck(form,count,offset) {
+     if (count > 0) {
+         dependencyCheck(form,count,offset);
+         var item = (offset+$startcount)+7*(count-1);
+         form.elements[item].checked = true;
+         if(Object.prototype.toString.call(parents[count]) === '[object Array]') {
+             if (parents[count].length > 0) {
+                 for (var j=0; j<parents[count].length; j++) {
+                     containerCheck(form,parents[count][j],offset);
+                 }
+             }
+         }
+     }
+ }
+ function dependencyCheck(form,count,offset) {
+     if (count > 0) {
+         var chosen = (offset+$startcount)+7*(count-1);
+         var depitem = $startcount + ((count-1) * 7) + 4;
+         var currtype = form.elements[depitem].type;
+         if (form.elements[chosen].value == 'dependency') {
+             document.getElementById('arc_depon_'+count).style.display='block';
+             form.elements[depitem].options.length = 0;
+             form.elements[depitem].options[0] = new Option('Select','',true,true);
+             for (var i=1; i<=numitems; i++) {
+                 if (i == count) {
+                     continue;
+                 }
+                 var startelement = $startcount + (i-1) * 7;
+                 for (var j=1; j<6; j++) {
+                     if ((j != 2) && (j!= 4)) {
+                         var item = startelement + j;
+                         if (form.elements[item].type == 'radio') {
+                             if (form.elements[item].checked) {
+                                 if (form.elements[item].value == 'display') {
+                                     var n = form.elements[depitem].options.length;
+                                     form.elements[depitem].options[n] = new Option(titles[i],i,false,false);
+                                 }
+                             }
+                         }
+                     }
+                 }
+             }
+         } else {
+             document.getElementById('arc_depon_'+count).style.display='none';
+             form.elements[depitem].options.length = 0;
+             form.elements[depitem].options[0] = new Option('Select','',true,true);
+         }
+         titleCheck(form,count,offset);
+     }
+ }
+ function propagateSelect(form,count,offset) {
+     if (count > 0) {
+         var item = (1+offset+$startcount)+7*(count-1);
+         var picked = form.elements[item].options[form.elements[item].selectedIndex].value;
+         if (Object.prototype.toString.call(parents[count]) === '[object Array]') {
+             if (parents[count].length > 0) {
+                 for (var j=0; j<parents[count].length; j++) {
+                     containerSelect(form,parents[count][j],offset,picked);
+                 }
+             }
+         }
+     }
+ }
+ function containerSelect(form,count,offset,picked) {
+     if (count > 0) {
+         var item = (offset+$startcount)+7*(count-1);
+         if (form.elements[item].type == 'radio') {
+             if (form.elements[item].value == 'dependency') {
+                 if (form.elements[item+1].type == 'select-one') {
+                     for (var i=0; i<form.elements[item+1].options.length; i++) {
+                         if (form.elements[item+1].options[i].value == picked) {
+                             form.elements[item+1].selectedIndex = i;
+                             break;
+                         }
+                     }
+                 }
+                 if (Object.prototype.toString.call(parents[count]) === '[object Array]') {
+                     if (parents[count].length > 0) {
+                         for (var j=0; j<parents[count].length; j++) {
+                             containerSelect(form,parents[count][j],offset,picked);
+                         }
+                     }
+                 }
+             }
+         }
+     }
+ }
+ function titleCheck(form,count,offset) {
+     if (count > 0) {
+         var chosen = (offset+$startcount)+7*(count-1);
+         var depitem = $startcount + ((count-1) * 7) + 2;
+         var currtype = form.elements[depitem].type;
+         if (form.elements[chosen].value == 'display') {
+             document.getElementById('arc_title_'+count).style.display='block';
+             if ((count==1) && ((parents[count].length > 0) || (numitems == 1))) {
+                 document.getElementById('archive_title_'+count).value=maintitle;
+             }
+         } else {
+             document.getElementById('arc_title_'+count).style.display='none';
+             if (currtype == 'text') {
+                 document.getElementById('archive_title_'+count).value='';
+             }
+         }
+     }
+     return;
+ }
+ // ]]>
+ </script>
+ END
+     return $scripttag;
+ }
+ sub process_extracted_files {
+     my ($context,$docudom,$docuname,$destination,$dir_root,$hiddenelem) = @_;
+     my $numitems = $env{'form.archive_count'};
+     return unless ($numitems);
+     my @ids=&Apache::lonnet::current_machine_ids();
+     my ($prefix,$pathtocheck,$dir,$ishome,$error,$warning,%toplevelitems,%is_dir,
+         %folders,%containers,%mapinner,%prompttofetch);
+     my $docuhome = &Apache::lonnet::homeserver($docuname,$docudom);
+     if (grep(/^\Q$docuhome\E$/,@ids)) {
+         $prefix = &LONCAPA::propath($docudom,$docuname);
+         $pathtocheck = "$dir_root/$destination";
+         $dir = $dir_root;
+         $ishome = 1;
+     } else {
+         $prefix = $Apache::lonnet::perlvar{'lonDocRoot'};
+         $pathtocheck = "$dir_root/$docudom/$docuname/$destination";
+         $dir = "$dir_root/$docudom/$docuname";
+     }
+     my $currdir = "$dir_root/$destination";
+     (my $docstype,$mapinner{'0'}) = ($destination =~ m{^(docs|supplemental)/(\w+)/});
+     if ($env{'form.folderpath'}) {
+         my @items = split('&',$env{'form.folderpath'});
+         $folders{'0'} = $items[-2];
+         $containers{'0'}='sequence';
+     } elsif ($env{'form.pagepath'}) {
+         my @items = split('&',$env{'form.pagepath'});
+         $folders{'0'} = $items[-2];
+         $containers{'0'}='page';
+     }
+     my @archdirs = &get_env_multiple('form.archive_directory');
+     if ($numitems) {
+         for (my $i=1; $i<=$numitems; $i++) {
+             my $path = $env{'form.archive_content_'.$i};
+             if ($path =~ m{^\Q$pathtocheck\E/([^/]+)$}) {
+                 my $item = $1;
+                 $toplevelitems{$item} = $i;
+                 if (grep(/^\Q$i\E$/,@archdirs)) {
+                     $is_dir{$item} = 1;
+                 }
+             }
+         }
+     }
+     my ($output,%children,%parent,%titles,%dirorder,$result);
+     if (keys(%toplevelitems) > 0) {
+         my @contents = sort(keys(%toplevelitems));
+         (my $count,undef) = &get_extracted($docudom,$docuname,$currdir,\%is_dir,\%children,
+                                            \%parent,\@contents,\%dirorder,\%titles);
+     }
+     my (%referrer,%orphaned,%todelete,%todeletedir,%newdest,%newseqid);
+     if ($numitems) {
+         for (my $i=1; $i<=$numitems; $i++) {
+             next if ($env{'form.archive_'.$i} eq 'dependency');
+             my $path = $env{'form.archive_content_'.$i};
+             if ($path =~ /^\Q$pathtocheck\E/) {
+                 if ($env{'form.archive_'.$i} eq 'discard') {
+                     if ($prefix ne '' && $path ne '') {
+                         if (-e $prefix.$path) {
+                             if ((@archdirs > 0) &&
+                                 (grep(/^\Q$i\E$/,@archdirs))) {
+                                 $todeletedir{$prefix.$path} = 1;
+                             } else {
+                                 $todelete{$prefix.$path} = 1;
+                             }
+                         }
+                     }
+                 } elsif ($env{'form.archive_'.$i} eq 'display') {
+                     my ($docstitle,$title,$url,$outer);
+                     ($title) = ($path =~ m{/([^/]+)$});
+                     $docstitle = $env{'form.archive_title_'.$i};
+                     if ($docstitle eq '') {
+                         $docstitle = $title;
+                     }
+                     $outer = 0;
+                     if (ref($dirorder{$i}) eq 'ARRAY') {
+                         if (@{$dirorder{$i}} > 0) {
+                             foreach my $item (reverse(@{$dirorder{$i}})) {
+                                 if ($env{'form.archive_'.$item} eq 'display') {
+                                     $outer = $item;
+                                     last;
+                                 }
+                             }
+                         }
+                     }
+                     my ($errtext,$fatal) =
+                         &LONCAPA::map::mapread('/uploaded/'.$docudom.'/'.$docuname.
+                                                '/'.$folders{$outer}.'.'.
+                                                $containers{$outer});
+                     next if ($fatal);
+                     if ((@archdirs > 0) && (grep(/^\Q$i\E$/,@archdirs))) {
+                         if ($context eq 'coursedocs') {
+                             $mapinner{$i} = time;
+                             $folders{$i} = 'default_'.$mapinner{$i};
+                             $containers{$i} = 'sequence';
+                             my $url = '/uploaded/'.$docudom.'/'.$docuname.'/'.
+                                       $folders{$i}.'.'.$containers{$i};
+                             my $newidx = &LONCAPA::map::getresidx();
+                             $LONCAPA::map::resources[$newidx]=
+                                 $docstitle.':'.$url.':false:normal:res';
+                             push(@LONCAPA::map::order,$newidx);
+                             my ($outtext,$errtext) =
+                                 &LONCAPA::map::storemap('/uploaded/'.$docudom.'/'.
+                                                         $docuname.'/'.$folders{$outer}.
+                                                         '.'.$containers{$outer},1,1);
+                             $newseqid{$i} = $newidx;
+                             unless ($errtext) {
+                                 $result .=  '<li>'.&mt('Folder: [_1] added to course',$docstitle).'</li>'."\n";
+                             }
+                         }
+                     } else {
+                         if ($context eq 'coursedocs') {
+                             my $newidx=&LONCAPA::map::getresidx();
+                             my $url = '/uploaded/'.$docudom.'/'.$docuname.'/'.
+                                       $docstype.'/'.$mapinner{$outer}.'/'.$newidx.'/'.
+                                       $title;
+                             if (!-e "$prefix$dir/$docstype/$mapinner{$outer}") {
+                                 mkdir("$prefix$dir/$docstype/$mapinner{$outer}",0755);
+                             }
+                             if (!-e "$prefix$dir/$docstype/$mapinner{$outer}/$newidx") {
+                                 mkdir("$prefix$dir/$docstype/$mapinner{$outer}/$newidx");
+                             }
+                             if (-e "$prefix$dir/$docstype/$mapinner{$outer}/$newidx") {
+                                 system("mv $prefix$path $prefix$dir/$docstype/$mapinner{$outer}/$newidx/$title");
+                                 $newdest{$i} = "$prefix$dir/$docstype/$mapinner{$outer}/$newidx";
+                                 unless ($ishome) {
+                                     my $fetch = "$newdest{$i}/$title";
+                                     $fetch =~ s/^\Q$prefix$dir\E//;
+                                     $prompttofetch{$fetch} = 1;
+                                 }
+                             }
+                             $LONCAPA::map::resources[$newidx]=
+                                 $docstitle.':'.$url.':false:normal:res';
+                             push(@LONCAPA::map::order, $newidx);
+                             my ($outtext,$errtext)=
+                                 &LONCAPA::map::storemap('/uploaded/'.$docudom.'/'.
+                                                         $docuname.'/'.$folders{$outer}.
+                                                         '.'.$containers{$outer},1,1);
+                             unless ($errtext) {
+                                 if (-e "$prefix$dir/$docstype/$mapinner{$outer}/$newidx/$title") {
+                                     $result .= '<li>'.&mt('File: [_1] added to course',$docstitle).'</li>'."\n";
+                                 }
+                             }
+                         }
+                     }
+                 }
+             } else {
+                 $warning .= &mt('Item extracted from archive: [_1] has unexpected path.',$path).'<br />';
+             }
+         }
+         for (my $i=1; $i<=$numitems; $i++) {
+             next unless ($env{'form.archive_'.$i} eq 'dependency');
+             my $path = $env{'form.archive_content_'.$i};
+             if ($path =~ /^\Q$pathtocheck\E/) {
+                 my ($title) = ($path =~ m{/([^/]+)$});
+                 $referrer{$i} = $env{'form.archive_dependent_on_'.$i};
+                 if ($env{'form.archive_'.$referrer{$i}} eq 'display') {
+                     if (ref($dirorder{$i}) eq 'ARRAY') {
+                         my ($itemidx,$fullpath,$relpath);
+                         if (ref($dirorder{$referrer{$i}}) eq 'ARRAY') {
+                             my $container = $dirorder{$referrer{$i}}->[-1];
+                             for (my $j=0; $j<@{$dirorder{$i}}; $j++) {
+                                 if ($dirorder{$i}->[$j] eq $container) {
+                                     $itemidx = $j;
+                                 }
+                             }
+                         }
+                         if ($itemidx eq '') {
+                             $itemidx =  0;
+                         }
+                         if (grep(/^\Q$referrer{$i}\E$/,@archdirs)) {
+                             if ($mapinner{$referrer{$i}}) {
+                                 $fullpath = "$prefix$dir/$docstype/$mapinner{$referrer{$i}}";
+                                 for (my $j=$itemidx; $j<@{$dirorder{$i}}; $j++) {
+                                     if (grep(/^\Q$dirorder{$i}->[$j]\E$/,@archdirs)) {
+                                         unless (defined($newseqid{$dirorder{$i}->[$j]})) {
+                                             $fullpath .= '/'.$titles{$dirorder{$i}->[$j]};
+                                             $relpath .= '/'.$titles{$dirorder{$i}->[$j]};
+                                             if (!-e $fullpath) {
+                                                 mkdir($fullpath,0755);
+                                             }
+                                         }
+                                     } else {
+                                         last;
+                                     }
+                                 }
+                             }
+                         } elsif ($newdest{$referrer{$i}}) {
+                             $fullpath = $newdest{$referrer{$i}};
+                             for (my $j=$itemidx; $j<@{$dirorder{$i}}; $j++) {
+                                 if ($env{'form.archive_'.$dirorder{$i}->[$j]} eq 'discard') {
+                                     $orphaned{$i} = $env{'form.archive_'.$dirorder{$i}->[$j]};
+                                     last;
+                                 } elsif (grep(/^\Q$dirorder{$i}->[$j]\E$/,@archdirs)) {
+                                     unless (defined($newseqid{$dirorder{$i}->[$j]})) {
+                                         $fullpath .= '/'.$titles{$dirorder{$i}->[$j]};
+                                         $relpath .= '/'.$titles{$dirorder{$i}->[$j]};
+                                         if (!-e $fullpath) {
+                                             mkdir($fullpath,0755);
+                                         }
+                                     }
+                                 } else {
+                                     last;
+                                 }
+                             }
+                         }
+                         if ($fullpath ne '') {
+                             if (-e "$prefix$path") {
+                                 system("mv $prefix$path $fullpath/$title");
+                             }
+                             if (-e "$fullpath/$title") {
+                                 my $showpath;
+                                 if ($relpath ne '') {
+                                     $showpath = "$relpath/$title";
+                                 } else {
+                                     $showpath = "/$title";
+                                 }
+                                 $result .= '<li>'.&mt('[_1] included as a dependency',$showpath).'</li>'."\n";
+                             }
+                             unless ($ishome) {
+                                 my $fetch = "$fullpath/$title";
+                                 $fetch =~ s/^\Q$prefix$dir\E//;
+                                 $prompttofetch{$fetch} = 1;
+                             }
+                         }
+                     }
+                 } elsif ($env{'form.archive_'.$referrer{$i}} eq 'discard') {
+                     $warning .= &mt('[_1] is a dependency of [_2], which was discarded.',
+                                     $path,$env{'form.archive_content_'.$referrer{$i}}).'<br />';
+                 }
+             } else {
+                 $warning .= &mt('Item extracted from archive: [_1] has unexpected path.',$path).'<br />';
+             }
+         }
+         if (keys(%todelete)) {
+             foreach my $key (keys(%todelete)) {
+                 unlink($key);
+             }
+         }
+         if (keys(%todeletedir)) {
+             foreach my $key (keys(%todeletedir)) {
+                 rmdir($key);
+             }
+         }
+         foreach my $dir (sort(keys(%is_dir))) {
+             if (($pathtocheck ne '') && ($dir ne ''))  {
+                 &cleanup_empty_dirs($prefix."$pathtocheck/$dir");
+             }
+         }
+         if ($result ne '') {
+             $output .= '<ul>'."\n".
+                        $result."\n".
+                        '</ul>';
+         }
+         unless ($ishome) {
+             my $replicationfail;
+             foreach my $item (keys(%prompttofetch)) {
+                 my $fetchresult= &Apache::lonnet::reply('fetchuserfile:'.$item,$docuhome);
+                 unless ($fetchresult eq 'ok') {
+                     $replicationfail .= '<li>'.$item.'</li>'."\n";
+                 }
+             }
+             if ($replicationfail) {
+                 $output .= '<p class="LC_error">'.
+                            &mt('Course home server failed to retrieve:').'<ul>'.
+                            $replicationfail.
+                            '</ul></p>';
+             }
+         }
+     } else {
+         $warning = &mt('No items found in archive.');
+     }
+     if ($error) {
+         $output .= '<p class="LC_error">'.&mt('Not extracted.').'<br />'.
+                    $error.'</p>'."\n";
+     }
+     if ($warning) {
+         $output .= '<p class="LC_warning">'.$warning.'</p>'."\n";
+     }
+     return $output;
+ }
+ sub cleanup_empty_dirs {
+     my ($path) = @_;
+     if (($path ne '') && (-d $path)) {
+         if (opendir(my $dirh,$path)) {
+             my @dircontents = grep(!/^\./,readdir($dirh));
+             my $numitems = 0;
+             foreach my $item (@dircontents) {
+                 if (-d "$path/$item") {
+                     &recurse_dirs("$path/$item");
+                     if (-e "$path/$item") {
+                         $numitems ++;
+                     }
+                 } else {
+                     $numitems ++;
+                 }
+             }
+             if ($numitems == 0) {
+                 rmdir($path);
+             }
+             closedir($dirh);
+         }
+     }
+     return;
+ }
+ =pod
+ =item &get_folder_hierarchy()
+ Provides hierarchy of names of folders/sub-folders containing the current
+ item,
+ Inputs: 3
+      - $navmap - navmaps object
+      - $map - url for map (either the trigger itself, or map containing
+                            the resource, which is the trigger).
+      - $showitem - 1 => show title for map itself; 0 => do not show.
+ Outputs: 1 @pathitems - array of folder/subfolder names.
+ =cut
+ sub get_folder_hierarchy {
+     my ($navmap,$map,$showitem) = @_;
+     my @pathitems;
+     if (ref($navmap)) {
+         my $mapres = $navmap->getResourceByUrl($map);
+         if (ref($mapres)) {
+             my $pcslist = $mapres->map_hierarchy();
+             if ($pcslist ne '') {
+                 my @pcs = split(/,/,$pcslist);
+                 foreach my $pc (@pcs) {
+                     if ($pc == 1) {
+                         push(@pathitems,&mt('Main Course Documents'));
+                     } else {
+                         my $res = $navmap->getByMapPc($pc);
+                         if (ref($res)) {
+                             my $title = $res->compTitle();
+                             $title =~ s/\W+/_/g;
+                             if ($title ne '') {
+                                 push(@pathitems,$title);
+                             }
+                         }
+                     }
+                 }
+             }
+             if ($showitem) {
+                 if ($mapres->{ID} eq '0.0') {
+                     push(@pathitems,&mt('Main Course Documents'));
+                 } else {
+                     my $maptitle = $mapres->compTitle();
+                     $maptitle =~ s/\W+/_/g;
+                     if ($maptitle ne '') {
+                         push(@pathitems,$maptitle);
+                     }
+                 }
+             }
+         }
+     }
+     return @pathitems;
+ }
+ =pod
+ =item * &get_turnedin_filepath()
+ Determines path in a user's portfolio file for storage of files uploaded
+ to a specific essayresponse or dropbox item.
+ Inputs: 3 required + 1 optional.
+ $symb is symb for resource, $uname and $udom are for current user (required).
+ $caller is optional (can be "submission", if routine is called when storing
+ an upoaded file when "Submit Answer" button was pressed).
+ Returns array containing $path and $multiresp.
+ $path is path in portfolio.  $multiresp is 1 if this resource contains more
+ than one file upload item.  Callers of routine should append partid as a
+ subdirectory to $path in cases where $multiresp is 1.
+ Called by: homework/essayresponse.pm and homework/structuretags.pm
+ =cut
+ sub get_turnedin_filepath {
+     my ($symb,$uname,$udom,$caller) = @_;
+     my ($map,$resid,$resurl)=&Apache::lonnet::decode_symb($symb);
+     my $turnindir;
+     my %userhash = &Apache::lonnet::userenvironment($udom,$uname,'turnindir');
+     $turnindir = $userhash{'turnindir'};
+     my ($path,$multiresp);
+     if ($turnindir eq '') {
+         if ($caller eq 'submission') {
+             $turnindir = &mt('turned in');
+             $turnindir =~ s/\W+/_/g;
+             my %newhash = (
+                             'turnindir' => $turnindir,
+                           );
+             &Apache::lonnet::put('environment',\%newhash,$udom,$uname);
+         }
+     }
+     if ($turnindir ne '') {
+         $path = '/'.$turnindir.'/';
+         my ($multipart,$turnin,@pathitems);
+         my $navmap = Apache::lonnavmaps::navmap->new();
+         if (defined($navmap)) {
+             my $mapres = $navmap->getResourceByUrl($map);
+             if (ref($mapres)) {
+                 my $pcslist = $mapres->map_hierarchy();
+                 if ($pcslist ne '') {
+                     foreach my $pc (split(/,/,$pcslist)) {
+                         my $res = $navmap->getByMapPc($pc);
+                         if (ref($res)) {
+                             my $title = $res->compTitle();
+                             $title =~ s/\W+/_/g;
+                             if ($title ne '') {
+                                 push(@pathitems,$title);
+                             }
+                         }
+                     }
+                 }
+                 my $maptitle = $mapres->compTitle();
+                 $maptitle =~ s/\W+/_/g;
+                 if ($maptitle ne '') {
+                     push(@pathitems,$maptitle);
+                 }
+                 unless ($env{'request.state'} eq 'construct') {
+                     my $res = $navmap->getBySymb($symb);
+                     if (ref($res)) {
+                         my $partlist = $res->parts();
+                         my $totaluploads = 0;
+                         if (ref($partlist) eq 'ARRAY') {
+                             foreach my $part (@{$partlist}) {
+                                 my @types = $res->responseType($part);
+                                 my @ids = $res->responseIds($part);
+                                 for (my $i=0; $i < scalar(@ids); $i++) {
+                                     if ($types[$i] eq 'essay') {
+                                         my $partid = $part.'_'.$ids[$i];
+                                         if (&Apache::lonnet::EXT("resource.$partid.uploadedfiletypes") ne '') {
+                                             $totaluploads ++;
+                                         }
+                                     }
+                                 }
+                             }
+                             if ($totaluploads > 1) {
+                                 $multiresp = 1;
+                             }
+                         }
+                     }
+                 }
+             } else {
+                 return;
+             }
+         } else {
+             return;
+         }
+         my $restitle=&Apache::lonnet::gettitle($symb);
+         $restitle =~ s/\W+/_/g;
+         if ($restitle eq '') {
+             $restitle = ($resurl =~ m{/[^/]+$});
+             if ($restitle eq '') {
+                 $restitle = time;
+             }
+         }
+         push(@pathitems,$restitle);
+         $path .= join('/',@pathitems);
+     }
+     return ($path,$multiresp);
+ }
  =pod
- Line 6841  sub get_env_multiple {
+ Line 11755  sub get_env_multiple {
  =over 4
- =item * upfile_store($r)
+ =item * &upfile_store($r)
  Store uploaded file, $r should be the HTTP Request object,
  needs $env{'form.upfile'}
- Line 6871  sub upfile_store {
+ Line 11785  sub upfile_store {
  =pod
- =item * load_tmp_file($r)
+ =item * &load_tmp_file($r)
  Load uploaded file from tmp, $r should be the HTTP Request object,
  needs $env{'form.datatoken'},
- Line 6895  sub load_tmp_file {
+ Line 11809  sub load_tmp_file {
  =pod
- =item * upfile_record_sep()
+ =item * &upfile_record_sep()
  Separate uploaded file into records
  returns array of records,
- Line 6917  sub upfile_record_sep {
+ Line 11831  sub upfile_record_sep {
  =pod
- =item * record_sep($record)
+ =item * &record_sep($record)
  Separate a record into fields $record should be an item from the upfile_record_sep(), needs $env{'form.upfiletype'}
- Line 7002  sub record_sep {
+ Line 11916  sub record_sep {
  =pod
- =item * upfile_select_html()
+ =item * &upfile_select_html()
  Return HTML code to select a file from the users machine and specify
  the file type.
- Line 7020  sub upfile_select_html {
+ Line 11934  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 7049  sub get_samples {
+ Line 11963  sub get_samples {
  =pod
- =item * csv_print_samples($r,$records)
+ =item * &csv_print_samples($r,$records)
  Prints a table of sample values from each column uploaded $r is an
  Apache Request ref, $records is an arrayref from
- Line 7061  Apache Request ref, $records is an array
+ Line 11975  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 7085  sub csv_print_samples {
+ Line 11999  sub csv_print_samples {
  =pod
- =item * csv_print_select_table($r,$records,$d)
+ =item * &csv_print_select_table($r,$records,$d)
  Prints a table to create associations between values and table columns.
- Line 7108  sub csv_print_select_table {
+ Line 12022  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 7131  sub csv_print_select_table {
+ Line 12045  sub csv_print_select_table {
  =pod
- =item * csv_samples_select_table($r,$records,$d)
+ =item * &csv_samples_select_table($r,$records,$d)
  Prints a table of sample values from the upload and can make associate samples to internal names.
- Line 7147  sub csv_samples_select_table {
+ Line 12061  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 7163  sub csv_samples_select_table {
+ Line 12078  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 7181  sub csv_samples_select_table {
+ Line 12096  sub csv_samples_select_table {
  =pod
- =item clean_excel_name($name)
+ =item * &clean_excel_name($name)
  Returns a replacement for $name which does not contain any illegal characters.
- Line 7200  sub clean_excel_name {
+ Line 12115  sub clean_excel_name {
  =pod
- =item * check_if_partid_hidden($id,$symb,$udom,$uname)
+ =item * &check_if_partid_hidden($id,$symb,$udom,$uname)
  Returns either 1 or undef
- Line 7241  sub check_if_partid_hidden {
+ Line 12156  sub check_if_partid_hidden {
  =over 4
- =item get_cgi_id
+ =item * &get_cgi_id()
  Inputs: none
- Line 7265  sub get_cgi_id {
+ Line 12180  sub get_cgi_id {
  =pod
- =item DrawBarGraph
+ =item * &DrawBarGraph()
  Facilitates the plotting of data in a (stacked) bar graph.
  Puts plot definition data into the users environment in order for
- Line 7400  sub DrawBarGraph {
+ Line 12315  sub DrawBarGraph {
          $ValuesHash{$id.'.'.$key} = $value;
      }
      #
-     &Apache::lonnet::appenv(%ValuesHash);
+     &Apache::lonnet::appenv(\%ValuesHash);
      return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
  }
- Line 7409  sub DrawBarGraph {
+ Line 12324  sub DrawBarGraph {
  =pod
- =item DrawXYGraph
+ =item * &DrawXYGraph()
  Facilitates the plotting of data in an XY graph.
  Puts plot definition data into the users environment in order for
- Line 7490  sub DrawXYGraph {
+ Line 12405  sub DrawXYGraph {
          $ValuesHash{$id.'.'.$key} = $value;
      }
      #
-     &Apache::lonnet::appenv(%ValuesHash);
+     &Apache::lonnet::appenv(\%ValuesHash);
      return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
  }
- Line 7499  sub DrawXYGraph {
+ Line 12414  sub DrawXYGraph {
  =pod
- =item DrawXYYGraph
+ =item * &DrawXYYGraph()
  Facilitates the plotting of data in an XY graph with two Y axes.
  Puts plot definition data into the users environment in order for
- Line 7592  sub DrawXYYGraph {
+ Line 12507  sub DrawXYYGraph {
          $ValuesHash{$id.'.'.$key} = $value;
      }
      #
-     &Apache::lonnet::appenv(%ValuesHash);
+     &Apache::lonnet::appenv(\%ValuesHash);
      return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
  }
- Line 7609  Bad place for them but what the hell.
+ Line 12524  Bad place for them but what the hell.
  =over 4
- =item &chartlink
+ =item * &chartlink()
  Returns a link to the chart for a specific student.
- Line 7648  sub chartlink {
+ Line 12563  sub chartlink {
  =over 4
- =item &restore_course_settings
+ =item * &restore_course_settings()
- =item &store_course_settings
+ =item * &store_course_settings()
  Restores/Store indicated form parameters from the course environment.
  Will not overwrite existing values of the form parameters.
- Line 7724  sub store_settings {
+ Line 12639  sub store_settings {
                                   'got error:'.$put_result);
      }
      # Make sure these settings stick around in this session, too
-     &Apache::lonnet::appenv(%AppHash);
+     &Apache::lonnet::appenv(\%AppHash);
      return;
  }
- Line 7761  sub restore_settings {
+ Line 12676  sub restore_settings {
  =over 4
- =item &build_recipient_list
+ =item * &build_recipient_list()
- Build recipient lists for three types of e-mail:
+ Build recipient lists for five 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, (e) Course requests needing approval,  generated by
+ lonerrorhandler.pm, CHECKRPMS, loncron, lonsupportreq.pm and
+ loncoursequeueadmin.pm respectively.
  Inputs:
  defmail (scalar - email address of default recipient),
- Line 7774  defdom (domain for which to retrieve con
+ Line 12691  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 7787  sub build_recipient_list {
+ Line 12706  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 7825  sub build_recipient_list {
+ Line 12750  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)');
+                 } elsif ($name eq 'communities') {
+                     $trailstr = &mt('Communities');
+                 } 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.
+ type    - scalar contains course type (Course or Community).
+ Returns: $output (markup to be displayed)
+ =cut
+ sub assign_categories_table {
+     my ($cathash,$currcat,$type) = @_;
+     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') {
+                 my @currcategories;
+                 if ($currcat ne '') {
+                     @currcategories = split('&',$currcat);
+                 }
+                 my $table;
+                 for (my $i=0; $i<@{$cats[0]}; $i++) {
+                     my $parent = $cats[0][$i];
+                     next if ($parent eq 'instcode');
+                     if ($type eq 'Community') {
+                         next unless ($parent eq 'communities');
+                     } else {
+                         next if ($parent eq 'communities');
+                     }
+                     my $css_class = $itemcount%2?' class="LC_odd_row"':'';
+                     my $item = &escape($parent).'::0';
+                     my $checked = '';
+                     if (@currcategories > 0) {
+                         if (grep(/^\Q$item\E$/,@currcategories)) {
+                             $checked = ' checked="checked"';
+                         }
+                     }
+                     my $parent_title = $parent;
+                     if ($parent eq 'communities') {
+                         $parent_title = &mt('Communities');
+                     }
+                     $table .= '<tr '.$css_class.'><td><span class="LC_nobreak">'.
+                               '<input type="checkbox" name="usecategory" value="'.
+                               $item.'"'.$checked.' />'.$parent_title.'</span>'.
+                               '<input type="hidden" name="catname" value="'.$parent.'" /></td>';
+                     my $depth = 1;
+                     push(@path,$parent);
+                     $table .= &assign_category_rows($itemcount,\@cats,$depth,$parent,\@path,\@currcategories);
+                     pop(@path);
+                     $table .= '</tr><tr><td colspan="'.$maxdepth.'" class="LC_row_separator"></td></tr>';
+                     $itemcount ++;
+                 }
+                 if ($itemcount) {
+                     $output = &Apache::loncommon::start_data_table().
+                               $table.
+                               &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 7866  sub commit_standardrole {
+ Line 13142  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 7901  sub commit_studentrole {
+ Line 13177  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 7924  sub commit_studentrole {
+ Line 13200  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 7991  sub check_clone {
+ Line 13267  sub check_clone {
      my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
      my $clonemsg;
      my $can_clone = 0;
+     my $lctype = lc($args->{'crstype'});
+     if ($lctype ne 'community') {
+         $lctype = 'course';
+     }
      if ($clonehome eq 'no_host') {
-         $clonemsg = &mt('No new course created.').$linefeed.&mt('A new course could not be cloned from the specified original - [_1] - because it is a non-existent course.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});
+         if ($args->{'crstype'} eq 'Community') {
+             $clonemsg = &mt('No new community created.').$linefeed.&mt('A new community could not be cloned from the specified original - [_1] - because it is a non-existent community.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});
+         } else {
+             $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 ($args->{'crstype'} eq 'Community') {
+             if ($clonedesc{'type'} ne 'Community') {
+                  $clonemsg = &mt('No new community created.').$linefeed.&mt('A new community could not be cloned from the specified original - [_1] - because it is a course not a community.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});
+                 return ($can_clone, $clonemsg, $cloneid, $clonehome);
+             }
+         }
+ 	if (($env{'request.role.domain'} eq $args->{'clonedomain'}) &&
+             (&Apache::lonnet::allowed('ccc',$env{'request.role.domain'}))) {
  	    $can_clone = 1;
  	} else {
  	    my %clonehash = &Apache::lonnet::get('environment',['cloners'],
- Line 8007  sub check_clone {
+ Line 13297  sub check_clone {
              } elsif (grep(/^\*\:\Q$args->{'ccdomain'}\E$/,@cloners)) {
                  $can_clone = 1;
              } else {
+                 my $ccrole = 'cc';
+                 if ($args->{'crstype'} eq 'Community') {
+                     $ccrole = 'co';
+                 }
  	        my %roleshash =
  		    &Apache::lonnet::get_my_roles($args->{'ccuname'},
  					 $args->{'ccdomain'},
-                                          'userroles',['active'],['cc'],
+                                          'userroles',['active'],[$ccrole],
  					 [$args->{'clonedomain'}]);
- 	        if (($roleshash{$args->{'clonecourse'}.':'.$args->{'clonedomain'}.':cc'}) || (grep(/^\Q$args->{'ccuname'}\E:\Q$args->{'ccdomain'}\E$/,@cloners))) {
+ 	        if (($roleshash{$args->{'clonecourse'}.':'.$args->{'clonedomain'}.':'.$ccrole}) || (grep(/^\Q$args->{'ccuname'}\E:\Q$args->{'ccdomain'}\E$/,@cloners))) {
- 		    $can_clone = 1;
+                     $can_clone = 1;
- 	        } else {
+                 } elsif (&Apache::lonnet::is_course_owner($args->{'clonedomain'},$args->{'clonecourse'},$args->{'ccuname'},$args->{'ccdomain'})) {
-                     $clonemsg = &mt('No new course created.').$linefeed.&mt('The new course could not be cloned from the existing course because the new course owner ([_1]) does not have cloning rights in the existing course ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'});
+                     $can_clone = 1;
+                 } else {
+                     if ($args->{'crstype'} eq 'Community') {
+                         $clonemsg = &mt('No new community created.').$linefeed.&mt('The new community could not be cloned from the existing community because the new community owner ([_1]) does not have cloning rights in the existing community ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'});
+                     } else {
+                         $clonemsg = &mt('No new course created.').$linefeed.&mt('The new course could not be cloned from the existing course because the new course owner ([_1]) does not have cloning rights in the existing course ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'});
+                     }
  	        }
  	    }
          }
- Line 8024  sub check_clone {
+ Line 13324  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,$category) = @_;
      my $outcome;
      my $linefeed =  '<br />'."\n";
      if ($context eq 'auto') {
- Line 8062  sub construct_course {
+ Line 13362  sub construct_course {
                                               $args->{'crscode'},
                                               $args->{'ccuname'}.':'.
                                               $args->{'ccdomain'},
-                                              $args->{'crstype'});
+                                              $args->{'crstype'},
+                                              $cnum,$context,$category);
      # Note: The testing routines depend on this being output; see
      # Utils::Course. This needs to at least be output as a comment
      # if anyone ever decides to not show this, and Utils::Course::new
      # will need to be suitably modified.
      $outcome .= &mt('New LON-CAPA [_1] ID: [_2]',$crstype,$$courseid).$linefeed;
+     if ($$courseid =~ /^error:/) {
+         return (0,$outcome);
+     }
  #
  # Check if created correctly
  #
      ($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid);
      my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom);
+     if ($crsuhome eq 'no_host') {
+         $outcome .= &mt('Course creation failed, unrecognized course home server.').$linefeed;
+         return (0,$outcome);
+     }
      $outcome .= &mt('Created on').': '.$crsuhome.$linefeed;
  #
- Line 8087  sub construct_course {
+ Line 13396  sub construct_course {
  	$outcome .= $clonemsg.$linefeed;
  	my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);
  # Copy all files
- 	&Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid);
+ 	&Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid,$args->{'datemode'},$args->{'dateshift'});
  # Restore URL
  	$cenv{'url'}=$oldcenv{'url'};
  # Restore title
  	$cenv{'description'}=$oldcenv{'description'};
+ # Restore creation date, creator and creation context.
+         $cenv{'internal.created'}=$oldcenv{'internal.created'};
+         $cenv{'internal.creator'}=$oldcenv{'internal.creator'};
+         $cenv{'internal.creationcontext'}=$oldcenv{'internal.creationcontext'};
  # Mark as cloned
  	$cenv{'clonedfrom'}=$cloneid;
  # Need to clone grading mode
- Line 8105  sub construct_course {
+ Line 13418  sub construct_course {
                     'policy.email',
                     'comment.email',
                     'pch.users.denied',
-                    'plc.users.denied'],
+                    'plc.users.denied',
+                    'hidefromcat',
+                    'categories'],
                     $$crsudom,$$crsunum);
      }
- Line 8134  sub construct_course {
+ Line 13449  sub construct_course {
      } else {
          $cenv{'internal.courseowner'} = $args->{'curruser'};
      }
      my @badclasses = (); # Used to accumulate sections/crosslistings that did not pass classlist access check for course owner.
      if ($args->{'crssections'}) {
          $cenv{'internal.sectionnums'} = '';
- Line 8334  sub construct_course {
+ Line 13648  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('Table of Contents');
              $url='/adm/navmaps';
          }
- Line 8354  sub construct_course {
+ Line 13668  sub construct_course {
  ############################################################
  ############################################################
+ #SD
+ # only Community and Course, or anything else?
  sub course_type {
      my ($cid) = @_;
      if (!defined($cid)) {
- Line 8370  sub group_term {
+ Line 13686  sub group_term {
      my $crstype = &course_type();
      my %names = (
                    'Course' => 'group',
-                   'Group' => 'team',
+                   'Community' => 'group',
                  );
      return $names{$crstype};
  }
+ sub course_types {
+     my @types = ('official','unofficial','community');
+     my %typename = (
+                          official   => 'Official course',
+                          unofficial => 'Unofficial course',
+                          community  => 'Community',
+                    );
+     return (\@types,\%typename);
+ }
  sub icon {
      my ($file)=@_;
      my $curfext = lc((split(/\./,$file))[-1]);
- Line 8391  sub icon {
+ Line 13717  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.$url;
  }
  sub connection_aborted {
- Line 8448  sub escape_url {
+ Line 13760  sub escape_url {
      return join('/',@urlslices).'/'.$lastitem;
  }
- # -------------------------------------------------------- Initliaze user login
+ 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;
+ }
+ # -------------------------------------------------------- Initialize user login
  sub init_user_environment {
      my ($r, $username, $domain, $authhost, $form, $args) = @_;
      my $lonids=$Apache::lonnet::perlvar{'lonIDsDir'};
- Line 8457  sub init_user_environment {
+ Line 13785  sub init_user_environment {
  # See if old ID present, if so, remove
-     my ($filename,$cookie,$userroles);
+     my ($filename,$cookie,$userroles,$firstaccenv,$timerintenv);
      my $now=time;
      if ($public) {
- Line 8490  sub init_user_environment {
+ Line 13818  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
- 	$userroles=&Apache::lonnet::rolesinit($domain,$username,$authhost);
+ 	($userroles,$firstaccenv,$timerintenv) =
+             &Apache::lonnet::rolesinit($domain,$username,$authhost);
      }
  # ------------------------------------ Check browser type and MathML capability
      my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
          $clientunicode,$clientos) = &decode_user_agent($r);
- # -------------------------------------- Any accessibility options to remember?
-     if (($form->{'interface'}) && ($form->{'remember'} eq 'true')) {
- 	foreach my $option ('imagesuppress','appletsuppress',
- 			    'embedsuppress','fontenhance','blackwhite') {
- 	    if ($form->{$option} eq 'true') {
- 		&Apache::lonnet::put('environment',{$option => 'on'},
- 				     $domain,$username);
- 	    } else {
- 		&Apache::lonnet::del('environment',[$option],
- 				     $domain,$username);
- 	    }
- 	}
-     }
  # ------------------------------------------------------------- Get environment
      my %userenv = &Apache::lonnet::dump('environment',$domain,$username);
      my ($tmp) = keys(%userenv);
      if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
- 	# default remote control to off
- 	if ($userenv{'remote'} ne 'on') { $userenv{'remote'} = 'off'; }
      } else {
  	undef(%userenv);
      }
      if (($userenv{'interface'}) && (!$form->{'interface'})) {
  	$form->{'interface'}=$userenv{'interface'};
      }
-     $env{'environment.remote'}=$userenv{'remote'};
      if ($userenv{'texengine'} eq 'ttm') { $clientmathml=1; }
  # --------------- Do not trust query string to be put directly into environment
-     foreach my $option ('imagesuppress','appletsuppress',
+     foreach my $option ('interface','localpath','localres') {
- 			'embedsuppress','fontenhance','blackwhite',
+         $form->{$option}=~s/[\n\r\=]//gs;
- 			'interface','localpath','localres') {
- 	$form->{$option}=~s/[\n\r\=]//gs;
      }
  # --------------------------------------------------------- Write first profile
- Line 8562  sub init_user_environment {
+ Line 13873  sub init_user_environment {
  	    $initial_env{"browser.localres"}   = $form->{'localres'};
          }
- 	if ($public) {
- 	    $initial_env{"environment.remote"} = "off";
- 	}
  	if ($form->{'interface'}) {
  	    $form->{'interface'}=~s/\W//gs;
  	    $initial_env{"browser.interface"} = $form->{'interface'};
  	    $env{'browser.interface'}=$form->{'interface'};
- 	    foreach my $option ('imagesuppress','appletsuppress',
- 				'embedsuppress','fontenhance','blackwhite') {
- 		if (($form->{$option} eq 'true') ||
- 		    ($userenv{$option} eq 'on')) {
- 		    $initial_env{"browser.$option"} = "on";
- 		}
- 	    }
  	}
+         my %is_adv = ( is_adv => $env{'user.adv'} );
+         my %domdef;
+         unless ($domain eq 'public') {
+             %domdef = &Apache::lonnet::get_domain_defaults($domain);
+         }
+         foreach my $tool ('aboutme','blog','webdav','portfolio') {
+             $userenv{'availabletools.'.$tool} =
+                 &Apache::lonnet::usertools_access($username,$domain,$tool,'reload',
+                                                   undef,\%userenv,\%domdef,\%is_adv);
+         }
+         foreach my $crstype ('official','unofficial','community') {
+             $userenv{'canrequest.'.$crstype} =
+                 &Apache::lonnet::usertools_access($username,$domain,$crstype,
+                                                   'reload','requestcourses',
+                                                   \%userenv,\%domdef,\%is_adv);
+         }
+         $userenv{'canrequest.author'} =
+             &Apache::lonnet::usertools_access($username,$domain,'requestauthor',
+                                         'reload','requestauthor',
+                                         \%userenv,\%domdef,\%is_adv);
+         my %reqauthor = &Apache::lonnet::get('requestauthor',['author_status','author'],
+                                              $domain,$username);
+         my $reqstatus = $reqauthor{'author_status'};
+         if ($reqstatus eq 'approval' || $reqstatus eq 'approved') {
+             if (ref($reqauthor{'author'}) eq 'HASH') {
+                 $userenv{'requestauthorqueued'} = $reqstatus.':'.
+                                                   $reqauthor{'author'}{'timestamp'};
+             }
+         }
  	$env{'user.environment'} = "$lonids/$cookie.id";
  	if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id",
  		 &GDBM_WRCREAT(),0640)) {
  	    &_add_to_env(\%disk_env,\%initial_env);
  	    &_add_to_env(\%disk_env,\%userenv,'environment.');
  	    &_add_to_env(\%disk_env,$userroles);
+             if (ref($firstaccenv) eq 'HASH') {
+                 &_add_to_env(\%disk_env,$firstaccenv);
+             }
+             if (ref($timerintenv) eq 'HASH') {
+                 &_add_to_env(\%disk_env,$timerintenv);
+             }
  	    if (ref($args->{'extra_env'})) {
  		&_add_to_env(\%disk_env,$args->{'extra_env'});
  	    }
  	    untie(%disk_env);
  	} else {
- 	    &Apache::lonnet::logthis("<font color=\"blue\">WARNING: ".
+ 	    &Apache::lonnet::logthis("<span style=\"color:blue;\">WARNING: ".
- 			   'Could not create environment storage in lonauth: '.$!.'</font>');
+ 			   'Could not create environment storage in lonauth: '.$!.'</span>');
  	    return 'error: '.$!;
  	}
      }
- Line 8605  sub init_user_environment {
+ Line 13945  sub init_user_environment {
  sub _add_to_env {
      my ($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) {
+             if (ref($request)) {
+                 $request->print("Unable to handle ambiguous references:$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,$enc);
  }
+ sub build_release_hashes {
+     my ($checkparms,$checkresponsetypes,$checkcrstypes,$anonsurvey,$randomizetry) = @_;
+     return unless((ref($checkparms) eq 'HASH') && (ref($checkresponsetypes) eq 'HASH') &&
+                   (ref($checkcrstypes) eq 'HASH') && (ref($anonsurvey) eq 'HASH') &&
+                   (ref($randomizetry) eq 'HASH'));
+     foreach my $key (keys(%Apache::lonnet::needsrelease)) {
+         my ($item,$name,$value) = split(/:/,$key);
+         if ($item eq 'parameter') {
+             if (ref($checkparms->{$name}) eq 'ARRAY') {
+                 unless(grep(/^\Q$name\E$/,@{$checkparms->{$name}})) {
+                     push(@{$checkparms->{$name}},$value);
+                 }
+             } else {
+                 push(@{$checkparms->{$name}},$value);
+             }
+         } elsif ($item eq 'resourcetag') {
+             if ($name eq 'responsetype') {
+                 $checkresponsetypes->{$value} = $Apache::lonnet::needsrelease{$key}
+             }
+         } elsif ($item eq 'course') {
+             if ($name eq 'crstype') {
+                 $checkcrstypes->{$value} = $Apache::lonnet::needsrelease{$key};
+             }
+         }
+     }
+     ($anonsurvey->{major},$anonsurvey->{minor}) = split(/\./,$Apache::lonnet::needsrelease{'parameter:type:anonsurvey'});
+     ($randomizetry->{major},$randomizetry->{minor}) = split(/\./,$Apache::lonnet::needsrelease{'parameter:type:randomizetry'});
+     return;
+ }
+ sub update_content_constraints {
+     my ($cdom,$cnum,$chome,$cid) = @_;
+     my %curr_reqd_hash = &Apache::lonnet::userenvironment($cdom,$cnum,'internal.releaserequired');
+     my ($reqdmajor,$reqdminor) = split(/\./,$curr_reqd_hash{'internal.releaserequired'});
+     my %checkresponsetypes;
+     foreach my $key (keys(%Apache::lonnet::needsrelease)) {
+         my ($item,$name,$value) = split(/:/,$key);
+         if ($item eq 'resourcetag') {
+             if ($name eq 'responsetype') {
+                 $checkresponsetypes{$value} = $Apache::lonnet::needsrelease{$key}
+             }
+         }
+     }
+     my $navmap = Apache::lonnavmaps::navmap->new();
+     if (defined($navmap)) {
+         my %allresponses;
+         foreach my $res ($navmap->retrieveResources(undef,sub { $_[0]->is_problem() },1,0)) {
+             my %responses = $res->responseTypes();
+             foreach my $key (keys(%responses)) {
+                 next unless(exists($checkresponsetypes{$key}));
+                 $allresponses{$key} += $responses{$key};
+             }
+         }
+         foreach my $key (keys(%allresponses)) {
+             my ($major,$minor) = split(/\./,$checkresponsetypes{$key});
+             if (($major > $reqdmajor) || ($major == $reqdmajor && $minor > $reqdminor)) {
+                 ($reqdmajor,$reqdminor) = ($major,$minor);
+             }
+         }
+         undef($navmap);
+     }
+     unless (($reqdmajor eq '') && ($reqdminor eq '')) {
+         &Apache::lonnet::update_released_required($reqdmajor.'.'.$reqdminor,$cdom,$cnum,$chome,$cid);
+     }
+     return;
+ }
+ sub parse_supplemental_title {
+     my ($title) = @_;
+     my ($foldertitle,$renametitle);
+     if ($title =~ /&amp;&amp;&amp;/) {
+         $title = &HTML::Entites::decode($title);
+     }
+     if ($title =~ m/^(\d+)___&&&___($match_username)___&&&___($match_domain)___&&&___(.*)$/) {
+         $renametitle=$4;
+         my ($time,$uname,$udom) = ($1,$2,$3);
+         $foldertitle=&Apache::lontexconvert::msgtexconverted($4);
+         my $name =  &plainname($uname,$udom);
+         $name = &HTML::Entities::encode($name,'"<>&\'');
+         $renametitle = &HTML::Entities::encode($renametitle,'"<>&\'');
+         $title='<i>'.&Apache::lonlocal::locallocaltime($time).'</i> '.
+             $name.': <br />'.$foldertitle;
+     }
+     if (wantarray) {
+         return ($title,$foldertitle,$renametitle);
+     }
+     return $title;
+ }
+ sub captcha_display {
+     my ($context,$lonhost) = @_;
+     my ($output,$error);
+     my ($captcha,$pubkey,$privkey) = &get_captcha_config($context,$lonhost);
+     if ($captcha eq 'original') {
+         $output = &create_captcha();
+         unless ($output) {
+             $error = 'captcha';
+         }
+     } elsif ($captcha eq 'recaptcha') {
+         $output = &create_recaptcha($pubkey);
+         unless ($output) {
+             $error = 'recaptcha';
+         }
+     }
+     return ($output,$error);
+ }
+ sub captcha_response {
+     my ($context,$lonhost) = @_;
+     my ($captcha_chk,$captcha_error);
+     my ($captcha,$pubkey,$privkey) = &get_captcha_config($context,$lonhost);
+     if ($captcha eq 'original') {
+         ($captcha_chk,$captcha_error) = &check_captcha();
+     } elsif ($captcha eq 'recaptcha') {
+         $captcha_chk = &check_recaptcha($privkey);
+     } else {
+         $captcha_chk = 1;
+     }
+     return ($captcha_chk,$captcha_error);
+ }
+ sub get_captcha_config {
+     my ($context,$lonhost) = @_;
+     my ($captcha,$pubkey,$privkey,$hashtocheck);
+     my $hostname = &Apache::lonnet::hostname($lonhost);
+     my $serverhomeID = &Apache::lonnet::get_server_homeID($hostname);
+     my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID);
+     if ($context eq 'usercreation') {
+         my %domconfig = &Apache::lonnet::get_dom('configuration',[$context],$serverhomedom);
+         if (ref($domconfig{$context}) eq 'HASH') {
+             $hashtocheck = $domconfig{$context}{'cancreate'};
+             if (ref($hashtocheck) eq 'HASH') {
+                 if ($hashtocheck->{'captcha'} eq 'recaptcha') {
+                     if (ref($hashtocheck->{'recaptchakeys'}) eq 'HASH') {
+                         $pubkey = $hashtocheck->{'recaptchakeys'}{'public'};
+                         $privkey = $hashtocheck->{'recaptchakeys'}{'private'};
+                     }
+                     if ($privkey && $pubkey) {
+                         $captcha = 'recaptcha';
+                     } else {
+                         $captcha = 'original';
+                     }
+                 } elsif ($hashtocheck->{'captcha'} ne 'notused') {
+                     $captcha = 'original';
+                 }
+             }
+         } else {
+             $captcha = 'captcha';
+         }
+     } elsif ($context eq 'login') {
+         my %domconfhash = &Apache::loncommon::get_domainconf($serverhomedom);
+         if ($domconfhash{$serverhomedom.'.login.captcha'} eq 'recaptcha') {
+             $pubkey = $domconfhash{$serverhomedom.'.login.recaptchakeys_public'};
+             $privkey = $domconfhash{$serverhomedom.'.login.recaptchakeys_private'};
+             if ($privkey && $pubkey) {
+                 $captcha = 'recaptcha';
+             } else {
+                 $captcha = 'original';
+             }
+         } elsif ($domconfhash{$serverhomedom.'.login.captcha'} eq 'original') {
+             $captcha = 'original';
+         }
+     }
+     return ($captcha,$pubkey,$privkey);
+ }
+ sub create_captcha {
+     my %captcha_params = &captcha_settings();
+     my ($output,$maxtries,$tries) = ('',10,0);
+     while ($tries < $maxtries) {
+         $tries ++;
+         my $captcha = Authen::Captcha->new (
+                                            output_folder => $captcha_params{'output_dir'},
+                                            data_folder   => $captcha_params{'db_dir'},
+                                           );
+         my $md5sum = $captcha->generate_code($captcha_params{'numchars'});
+         if (-e $Apache::lonnet::perlvar{'lonCaptchaDir'}.'/'.$md5sum.'.png') {
+             $output = '<input type="hidden" name="crypt" value="'.$md5sum.'" />'."\n".
+                       &mt('Type in the letters/numbers shown below').'&nbsp;'.
+                      '<input type="text" size="5" name="code" value="" /><br />'.
+                      '<img src="'.$captcha_params{'www_output_dir'}.'/'.$md5sum.'.png" />';
+             last;
+         }
+     }
+     return $output;
+ }
+ sub captcha_settings {
+     my %captcha_params = (
+                            output_dir     => $Apache::lonnet::perlvar{'lonCaptchaDir'},
+                            www_output_dir => "/captchaspool",
+                            db_dir         => $Apache::lonnet::perlvar{'lonCaptchaDb'},
+                            numchars       => '5',
+                          );
+     return %captcha_params;
+ }
+ sub check_captcha {
+     my ($captcha_chk,$captcha_error);
+     my $code = $env{'form.code'};
+     my $md5sum = $env{'form.crypt'};
+     my %captcha_params = &captcha_settings();
+     my $captcha = Authen::Captcha->new(
+                       output_folder => $captcha_params{'output_dir'},
+                       data_folder   => $captcha_params{'db_dir'},
+                   );
+     my $captcha_chk = $captcha->check_code($code,$md5sum);
+     my %captcha_hash = (
+      => 'Code not checked (file error)',
+                        -1      => 'Failed: code expired',
+                        -2      => 'Failed: invalid code (not in database)',
+                        -3      => 'Failed: invalid code (code does not match crypt)',
+     );
+     if ($captcha_chk != 1) {
+         $captcha_error = $captcha_hash{$captcha_chk}
+     }
+     return ($captcha_chk,$captcha_error);
+ }
+ sub create_recaptcha {
+     my ($pubkey) = @_;
+     my $captcha = Captcha::reCAPTCHA->new;
+     return $captcha->get_options_setter({theme => 'white'})."\n".
+            $captcha->get_html($pubkey).
+            &mt('If either word is hard to read, [_1] will replace them.',
+                '<image src="/res/adm/pages/refresh.gif" alt="reCAPTCHA refresh" />').
+            '<br /><br />';
+ }
+ sub check_recaptcha {
+     my ($privkey) = @_;
+     my $captcha_chk;
+     my $captcha = Captcha::reCAPTCHA->new;
+     my $captcha_result =
+         $captcha->check_answer(
+                                 $privkey,
+                                 $ENV{'REMOTE_ADDR'},
+                                 $env{'form.recaptcha_challenge_field'},
+                                 $env{'form.recaptcha_response_field'},
+                               );
+     if ($captcha_result->{is_valid}) {
+         $captcha_chk = 1;
+     }
+     return $captcha_chk;
+ }
  =pod

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

Removed from v.1.636.2.3
changed lines
	Added in v.1.1098