--- loncom/interface/loncommon.pm	2007/11/13 01:47:56	1.613
+++ loncom/interface/loncommon.pm	2010/02/22 16:29:15	1.692.4.29
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.613 2007/11/13 01:47:56 albertel Exp $
+# $Id: loncommon.pm,v 1.692.4.29 2010/02/22 16:29:15 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -61,12 +61,15 @@ use POSIX qw(strftime mktime);
 use Apache::lonmenu();
 use Apache::lonenc();
 use Apache::lonlocal;
+use Apache::lonnet();
 use HTML::Entities;
 use Apache::lonhtmlcommon();
 use Apache::loncoursedata();
 use Apache::lontexconvert();
 use Apache::lonclonecourse();
 use LONCAPA qw(:DEFAULT :match);
+use DateTime::TimeZone;
+use DateTime::Locale::Catalog;
 
 # ---------------------------------------------- Designs
 use vars qw(%defaultdesign);
@@ -78,6 +81,76 @@ 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;
@@ -214,14 +287,14 @@ 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
 
@@ -234,7 +307,7 @@ 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
 
@@ -319,7 +392,7 @@ 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;
 }
 
@@ -333,9 +406,10 @@ sub studentbrowser_javascript {
          || ($env{'request.role'}=~/^(au|dc|su)/)
           ) { return ''; }  
    return (<<'ENDSTDBRW');
-<script type="text/javascript" language="Javascript" >
+<script type="text/javascript" language="Javascript">
+// <![CDATA[
     var stdeditbrowser;
-    function openstdbrowser(formname,uname,udom,roleflag,ignorefilter) {
+    function openstdbrowser(formname,uname,udom,roleflag,ignorefilter,courseadvonly) {
         var url = '/adm/pickstudent?';
         var filter;
 	if (!ignorefilter) {
@@ -349,56 +423,80 @@ sub studentbrowser_javascript {
         url += 'form=' + formname + '&unameelement='+uname+
                                     '&udomelement='+udom;
 	if (roleflag) { url+="&roles=1"; }
+        if (courseadvonly) { url+="&courseadvonly=1"; }
         var title = 'Student_Browser';
         var options = 'scrollbars=1,resizable=1,menubar=0';
         options += ',width=700,height=600';
         stdeditbrowser = open(url,title,options,'1');
         stdeditbrowser.focus();
     }
+// ]]>
 </script>
 ENDSTDBRW
 }
 
 sub selectstudent_link {
-   my ($form,$unameele,$udomele)=@_;
+   my ($form,$unameele,$udomele,$courseadvonly)=@_;
+   my $callargs = "'".$form."','".$unameele."','".$udomele."'";
    if ($env{'request.course.id'}) {  
        if (!&Apache::lonnet::allowed('srm',$env{'request.course.id'})
 	   && !&Apache::lonnet::allowed('srm',$env{'request.course.id'}.
 					'/'.$env{'request.course.sec'})) {
 	   return '';
        }
-       return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.
-        '","'.$udomele.'");'."'>".&mt('Select User')."</a>";
+       if ($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.'","'.$unameele.
-        '","'.$udomele.'",1);'."'>".&mt('Select User')."</a>";
+       $callargs .= ",1";
+       return '<span class="LC_nobreak">'.
+              '<a href="javascript:openstdbrowser('.$callargs.');">'.
+              &mt('Select User').'</a></span>';
    }
    return '';
 }
 
-sub coursebrowser_javascript {
-    my ($domainfilter,$sec_element,$formname)=@_;
-    my $crs_or_grp_alert = &mt('Please select the type of LON-CAPA entity - Course or Group - for which you wish to add/modify a user role');
-   my $output = '
+sub authorbrowser_javascript {
+    return <<"ENDAUTHORBRW";
 <script type="text/javascript">
+// <![CDATA[
+var stdeditbrowser;
+
+function openauthorbrowser(formname,udom) {
+    var url = '/adm/pickauthor?';
+    url += 'form='+formname+'&roledom='+udom;
+    var title = 'Author_Browser';
+    var options = 'scrollbars=1,resizable=1,menubar=0';
+    options += ',width=700,height=600';
+    stdeditbrowser = open(url,title,options,'1');
+    stdeditbrowser.focus();
+}
+// ]]>
+</script>
+ENDAUTHORBRW
+}
+
+sub coursebrowser_javascript {
+    my ($domainfilter,$sec_element,$formname,$role_element,$crstype) = @_;
+    my $wintitle = 'Course_Browser';
+    if ($crstype eq 'Community') {
+        $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) {
+
+    $output .= <<"ENDSTDBRW";
+    function opencrsbrowser(formname,uname,udom,desc,extra_element,multflag,type,type_elem) {
         var url = '/adm/pickcourse?';
-        var domainfilter = '';
         var formid = getFormIdByName(formname);
-        if (formid > -1) {
-            var domid = getIndexByName(formid,udom);
-            if (domid > -1) {
-                if (document.forms[formid].elements[domid].type == 'select-one') {
-                    domainfilter=document.forms[formid].elements[domid].options[document.forms[formid].elements[domid].selectedIndex].value;
-                }
-                if (document.forms[formid].elements[domid].type == 'hidden') {
-                    domainfilter=document.forms[formid].elements[domid].value;
-                }
-            }
-        }
+        var domainfilter = getDomainFromSelectbox(formname,udom);
         if (domainfilter != null) {
            if (domainfilter != '') {
                url += 'domainfilter='+domainfilter+'&';
@@ -417,62 +515,177 @@ sub coursebrowser_javascript {
             else {
                 if (formname == 'portform') {
                     url += '&setroles='+extra_element;
+                } else {
+                    if (formname == 'rules') {
+                        url += '&fixeddom='+extra_element;
+                    }
                 }
             }     
         }
-        if (multflag !=null && multflag != '') {
-            url += '&multiple='+multflag;
+        if (type != null && type != '') {
+            url += '&type='+type;
         }
-        if (crstype == 'Course/Group') {
-            if (formname == 'cu') {
-                crstype = document.cu.crstype.options[document.cu.crstype.selectedIndex].value; 
-                if (crstype == "") {
-                    alert("$crs_or_grp_alert");
-                    return;
-                }
-            }
+        if (type_elem != null && type_elem != '') {
+            url += '&typeelement='+type_elem;
         }
-        if (crstype !=null && crstype != '') {
-            url += '&type='+crstype;
+        if (formname == 'ccrs') {
+            var ownername = document.forms[formid].ccuname.value;
+            var ownerdom =  document.forms[formid].ccdomain.options[document.forms[formid].ccdomain.selectedIndex].value;
+            url += '&cloner='+ownername+':'+ownerdom;
         }
-        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;
+}
 
-    function getFormIdByName(formname) {
-        for (var i=0;i<document.forms.length;i++) {
-            if (document.forms[i].name == formname) {
-                return i;
-            }
+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; 
     }
+    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;
+function getDomainFromSelectbox(formname,udom) {
+    var userdom;
+    var formid = getFormIdByName(formname);
+    if (formid > -1) {
+        var domid = getIndexByName(formid,udom);
+        if (domid > -1) {
+            if (document.forms[formid].elements[domid].type == 'select-one') {
+                userdom=document.forms[formid].elements[domid].options[document.forms[formid].elements[domid].selectedIndex].value;
+            }
+            if (document.forms[formid].elements[domid].type == 'hidden') {
+                userdom=document.forms[formid].elements[domid].value;
             }
         }
-        return -1;
     }
-ENDSTDBRW
-    if ($sec_element ne '') {
-        $output .= &setsec_javascript($sec_element,$formname);
+    return userdom;
+}
+
+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 .= '
-</script>';
-    return $output;
+    url += 'form=' + formname + '&unameelement='+uname+
+                                '&udomelement='+udom+
+                                '&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 $setsections = qq|
 function setSect(sectionlist) {
-    var sectionsArray = sectionlist.split(",");
+    var sectionsArray = new Array();
+    if ((sectionlist != '') && (typeof sectionlist != "undefined")) {
+        sectionsArray = sectionlist.split(",");
+    }
     var numSections = sectionsArray.length;
     document.$formname.$sec_element.length = 0;
     if (numSections == 0) {
@@ -500,15 +713,81 @@ function setSect(sectionlist) {
         }
     }
 }
+
+function setRole(crstype) {
 |;
+    if ($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,$selecttype)=@_;
-   return "<a href='".'javascript:opencrsbrowser("'.$form.'","'.$unameele.
-        '","'.$udomele.'","'.$desc.'","'.$extra_element.'","'.$multflag.'","'.$selecttype.'");'."'>".&mt('Select Course')."</a>";
+   my ($form,$unameele,$udomele,$desc,$extra_element,$multflag,$selecttype,
+       $typeelement) = @_;
+   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');
+       $type = '';
+   }
+   return '<span class="LC_nobreak">'
+         ."<a href='"
+         .'javascript:opencrsbrowser("'.$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 {
@@ -536,10 +815,97 @@ ENDSCRT
     return $jscript;
 }
 
+sub select_timezone {
+   my ($name,$selected,$onchange,$includeempty)=@_;
+   my $output='<select name="'.$name.'" '.$onchange.'>'."\n";
+   if ($includeempty) {
+       $output .= '<option value=""';
+       if (($selected eq '') || ($selected eq 'local')) {
+           $output .= ' selected="selected" ';
+       }
+       $output .= '> </option>';
+   }
+   my @timezones = DateTime::TimeZone->all_names;
+   foreach my $tzone (@timezones) {
+       $output.= '<option value="'.$tzone.'"';
+       if ($tzone eq $selected) {
+           $output.=' selected="selected"';
+       }
+       $output.=">$tzone</option>\n";
+   }
+   $output.="</select>";
+   return $output;
+}
+
+sub select_datelocale {
+    my ($name,$selected,$onchange,$includeempty)=@_;
+    my $output='<select name="'.$name.'" '.$onchange.'>'."\n";
+    if ($includeempty) {
+        $output .= '<option value=""';
+        if ($selected eq '') {
+            $output .= ' selected="selected" ';
+        }
+        $output .= '> </option>';
+    }
+    my (@possibles,%locale_names);
+    my @locales = DateTime::Locale::Catalog::Locales;
+    foreach my $locale (@locales) {
+        if (ref($locale) eq 'HASH') {
+            my $id = $locale->{'id'};
+            if ($id ne '') {
+                my $en_terr = $locale->{'en_territory'};
+                my $native_terr = $locale->{'native_territory'};
+                my @languages = &Apache::lonlocal::preferred_languages();
+                if (grep(/^en$/,@languages) || !@languages) {
+                    if ($en_terr ne '') {
+                        $locale_names{$id} = '('.$en_terr.')';
+                    } elsif ($native_terr ne '') {
+                        $locale_names{$id} = $native_terr;
+                    }
+                } else {
+                    if ($native_terr ne '') {
+                        $locale_names{$id} = $native_terr.' ';
+                    } elsif ($en_terr ne '') {
+                        $locale_names{$id} = '('.$en_terr.')';
+                    }
+                }
+                push (@possibles,$id);
+            }
+        }
+    }
+    foreach my $item (sort(@possibles)) {
+        $output.= '<option value="'.$item.'"';
+        if ($item eq $selected) {
+            $output.=' selected="selected"';
+        }
+        $output.=">$item";
+        if ($locale_names{$item} ne '') {
+            $output.="  $locale_names{$item}</option>\n";
+        }
+        $output.="</option>\n";
+    }
+    $output.="</select>";
+    return $output;
+}
+
+sub select_language {
+    my ($name,$selected,$includeempty) = @_;
+    my %langchoices;
+    if ($includeempty) {
+        %langchoices = ('' => 'No language preference');
+    }
+    foreach my $id (&languageids()) {
+        my $code = &supportedlanguagecode($id);
+        if ($code) {
+            $langchoices{$code} = &plainlanguagedescription($id);
+        }
+    }
+    return &select_form($selected,$name,%langchoices);
+}
 
 =pod
 
-=item * linked_select_forms(...)
+=item * &linked_select_forms(...)
 
 linked_select_forms returns a string containing a <script></script> block
 and html for two <select> menus.  The select menus will be linked in that
@@ -623,7 +989,8 @@ 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 = '';
@@ -669,6 +1036,7 @@ function select1_changed() {
         }
     }
 }
+// ]]>
 </script>
 END
     # output the initial values for the selection lists
@@ -704,7 +1072,7 @@ END
 
 =pod
 
-=item * help_open_topic($topic, $text, $stayOnPage, $width, $height)
+=item * &help_open_topic($topic,$text,$stayOnPage,$width,$height)
 
 Returns a string corresponding to an HTML link to the given help
 $topic, where $topic corresponds to the name of a .tex file in
@@ -753,16 +1121,18 @@ sub help_open_topic {
     if ($text ne "") {
 	$template .= 
             "<table bgcolor='#3333AA' cellspacing='1' cellpadding='1' border='0'><tr>".
-            "<td bgcolor='#5555FF'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
+            "<td bgcolor='#5555FF'><span class=\"LC_nobreak\"><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
     }
 
     # Add the graphic
     my $title = &mt('Online Help');
-    my $helpicon=&lonhttpdurl("/adm/help/gif/smallHelp.gif");
-    $template .= <<"ENDTEMPLATE";
- <a target="_top" href="$link" title="$title"><img src="$helpicon" border="0" alt="(Help: $topic)" /></a>
-ENDTEMPLATE
-    if ($text ne '') { $template.='</td></tr></table>' };
+    my $helpicon=&lonhttpdurl("/adm/help/help.png");
+    $template .= '<a target="_top" href="'.$link.'" title="'.$title.'">'.
+                 '<img src="'.$helpicon.'" border="0" alt="'.&mt('Help: [_1]',$topic).
+                 '" title="'.$title.'" /></a>';
+    if ($text ne '') {
+        $template.='</span></td></tr></table>';
+    }
     return $template;
 
 }
@@ -770,29 +1140,40 @@ ENDTEMPLATE
 # This is a quicky function for Latex cheatsheet editing, since it 
 # appears in at least four places
 sub helpLatexCheatsheet {
-    my $other = shift;
+    my ($topic,$text,$not_author) = @_;
+    my $out;
     my $addOther = '';
-    if ($other) {
-	$addOther = Apache::loncommon::help_open_topic($other, shift,
+    if ($topic) {
+	$addOther = &Apache::loncommon::help_open_topic($topic,$text,
 						       undef, undef, 600) .
 							   '</td><td>';
     }
-    return '<table><tr><td>'.
-	$addOther .
-	&Apache::loncommon::help_open_topic("Greek_Symbols",'Greek Symbols',
-					    undef,undef,600)
-	.'</td><td>'.
-	&Apache::loncommon::help_open_topic("Other_Symbols",'Other Symbols',
-					    undef,undef,600)
-	.'</td></tr></table>';
+    $out = '<table><tr><td>'.
+           $addOther .
+           &Apache::loncommon::help_open_topic("Greek_Symbols",&mt('Greek Symbols'),
+                                               undef,undef,600).
+           '</td><td>'.
+           &Apache::loncommon::help_open_topic("Other_Symbols",&mt('Other Symbols'),
+                                               undef,undef,600).
+           '</td>';
+    unless ($not_author) {
+        $out .= '<td>'.
+                &Apache::loncommon::help_open_topic("Authoring_Output_Tags",&mt('Output Tags'),
+                                                    undef,undef,600).
+                '</td>';
+    }
+    $out .= '</tr></table>';
+    return $out;
 }
 
 sub general_help {
     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;
 }
@@ -809,7 +1190,9 @@ 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;
@@ -886,8 +1269,8 @@ 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;
@@ -912,8 +1295,8 @@ function writeHelp(caller) {
     caller.document.close()
     caller.focus()
 }
-// ]]>
 // END LON-CAPA Internal -->
+// ]]>
 </script>
 ENDTEMPLATE
     return $template;
@@ -1014,7 +1397,7 @@ 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
@@ -1069,7 +1452,7 @@ 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
@@ -1093,7 +1476,7 @@ 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.
 
@@ -1140,7 +1523,7 @@ 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. 
 
@@ -1164,7 +1547,7 @@ DIMS
 
 =pod
 
-=item * resize_textarea_js
+=item * &resize_textarea_js()
 
 emits the needed javascript to resize a textarea to be as big as possible
 
@@ -1173,6 +1556,7 @@ 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
 
@@ -1180,6 +1564,7 @@ sub resize_textarea_js {
     my $geometry = &viewport_geometry_js();
     return <<"RESIZE";
     <script type="text/javascript">
+// <![CDATA[
 $geometry
 
 function getX(element) {
@@ -1218,6 +1603,7 @@ function resize_textarea(textarea_id,bot
     }
     textarea.style.height=new_height+'px';
 }
+// ]]>
 </script>
 RESIZE
 
@@ -1225,8 +1611,6 @@ RESIZE
 
 =pod
 
-=back
- 
 =head1 Excel and CSV file utility routines
 
 =over 4
@@ -1238,7 +1622,7 @@ RESIZE
 
 =pod
 
-=item * csv_translate($text) 
+=item * &csv_translate($text) 
 
 Translate $text to allow it to be output as a 'comma separated values' 
 format.
@@ -1259,7 +1643,7 @@ sub csv_translate {
 
 =pod
 
-=item * define_excel_formats
+=item * &define_excel_formats()
 
 Define some commonly used Excel cell formats.
 
@@ -1315,7 +1699,7 @@ 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.
@@ -1358,7 +1742,7 @@ 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 
@@ -1383,9 +1767,9 @@ sub create_text_file {
     $fh = Apache::File->new('>/home/httpd'.$filename);
     if (! defined($fh)) {
         $r->log_error("Couldn't open $filename for output $!");
-        $r->print("Problems occured in creating the output file.  ".
-                  "This error has been logged.  ".
-                  "Please alert your LON-CAPA administrator.");
+        $r->print(&mt('Problems occurred in creating the output file. '
+                     .'This error has been logged. '
+                     .'Please alert your LON-CAPA administrator.'));
     }
     return ($fh,$filename)
 }
@@ -1426,7 +1810,7 @@ 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
 
@@ -1452,7 +1836,7 @@ 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};
@@ -1476,7 +1860,7 @@ sub multiple_select_form {
 
 =pod
 
-=item * select_form($defdom,$name,%hash)
+=item * &select_form($defdom,$name,%hash)
 
 Returns a string containing a <select name='$name' size='1'> form to 
 allow a user to select options from a hash option_name => displayed text.  
@@ -1498,7 +1882,7 @@ sub select_form {
         $selectform.=
 	    '<option value="'.&HTML::Entities::encode($key,'"<>&').'" '.
             ($key eq $def ? 'selected="selected" ' : '').
-                ">".&mt($hash{$key})."</option>\n";
+                ">".$hash{$key}."</option>\n";
     }
     $selectform.="</select>";
     return $selectform;
@@ -1509,17 +1893,17 @@ sub select_form {
 sub display_filter {
     if (!$env{'form.show'}) { $env{'form.show'}=10; }
     if (!$env{'form.displayfilter'}) { $env{'form.displayfilter'}='currentfolder'; }
-    return '<nobr><label>'.&mt('Records [_1]',
+    return '<span class="LC_nobreak"><label>'.&mt('Records [_1]',
 			       &Apache::lonmeta::selectbox('show',$env{'form.show'},undef,
 							   (&mt('all'),10,20,50,100,1000,10000))).
-	   '</label></nobr> <nobr>'.
+	   '</label></span> <span class="LC_nobreak">'.
            &mt('Filter [_1]',
 	   &select_form($env{'form.displayfilter'},
 			'displayfilter',
 			('currentfolder' => 'Current folder/page',
 			 'containing' => 'Containing phrase',
 			 'none' => 'None'))).
-			 '<input type="text" name="containingphrase" size="30" value="'.&HTML::Entities::encode($env{'form.containingphrase'}).'" /></nobr>';
+			 '<input type="text" name="containingphrase" size="30" value="'.&HTML::Entities::encode($env{'form.containingphrase'}).'" /></span>';
 }
 
 sub gradeleveldescription {
@@ -1563,7 +1947,7 @@ 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.  
@@ -1572,16 +1956,28 @@ See loncreateuser.pm for an example invo
 If the $includeempty flag is set, it also includes an empty choice ("no domain
 selected");
 
-If the $showdomdesc flag is set, the domain name is followed by the domain description. 
+If the $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 @domains = sort {lc($a) cmp lc($b)} (&Apache::lonnet::all_domains());
+    my ($defdom,$name,$includeempty,$showdomdesc,$onchange,$incdoms) = @_;
+    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;
@@ -1603,7 +1999,7 @@ 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) - 
     $domain - domain of new user
@@ -1637,7 +2033,7 @@ sub home_server_form_item {
     if ($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))) {
@@ -1763,14 +2159,12 @@ 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
@@ -1787,7 +2181,7 @@ See loncreateuser.pm for invocation and
 
 =back
 
-=back 
+See loncreateuser.pm for invocation and use examples.
 
 =cut
 
@@ -1934,20 +2328,25 @@ 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') {
+                    $krbcheck = '';
+                }
+            }
             if (defined($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"';
                     $check5 = '';
                 }
             }
@@ -1968,7 +2367,7 @@ sub authform_kerberos {
         }
     } else {
         if ($authnum == 1) {
-            $authtype = '<input type="hidden" name="login" value="krb">';
+            $authtype = '<input type="hidden" name="login" value="krb" />';
         }
     }
     if (!$can_assign{'krb4'} && !$can_assign{'krb5'}) {
@@ -1977,7 +2376,7 @@ sub authform_kerberos {
         if (defined($in{'mode'})) {
             if ($in{'mode'} eq 'modifycourse') {
                 if ($authnum == 1) {
-                    $authtype = '<input type="hidden" name="login" value="krb">';
+                    $authtype = '<input type="hidden" name="login" value="krb" />';
                 }
             }
         }
@@ -2038,7 +2437,12 @@ sub authform_internal{
     if (defined($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') {
+                        $intcheck = '';
+                    }
+                }
                 if (defined($in{'curr_autharg'})) {
                     $intarg = $in{'curr_autharg'};
                 }
@@ -2049,7 +2453,7 @@ sub authform_internal{
         }
     } else {
         if ($authnum == 1) {
-            $authtype = '<input type="hidden" name="login" value="int">';
+            $authtype = '<input type="hidden" name="login" value="int" />';
         }
     }
     if (!$can_assign{'int'}) {
@@ -2058,7 +2462,7 @@ 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" />';
                 }
             }
         }
@@ -2073,6 +2477,7 @@ 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>';
     return $result;
 }
 
@@ -2087,7 +2492,12 @@ 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') {
+                        $loccheck = '';
+                    }
+                }
                 if (defined($in{'curr_autharg'})) {
                     $locarg = $in{'curr_autharg'};
                 }
@@ -2098,7 +2508,7 @@ sub authform_local{
         }
     } else {
         if ($authnum == 1) {
-            $authtype = '<input type="hidden" name="login" value="loc">';
+            $authtype = '<input type="hidden" name="login" value="loc" />';
         }
     }
     if (!$can_assign{'loc'}) {
@@ -2107,7 +2517,7 @@ sub authform_local{
         if (defined($in{'mode'})) {
             if ($in{'mode'} eq 'modifycourse') {
                 if ($authnum == 1) {
-                    $authtype = '<input type="hidden" name="login" value="loc">';
+                    $authtype = '<input type="hidden" name="login" value="loc" />';
                 }
             }
         }
@@ -2136,7 +2546,12 @@ sub authform_filesystem{
     if (defined($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 = '';
+                    }
+                }
             } else {
                 $result = &mt('Currently Filesystem Authenticated.');
                 return $result;
@@ -2144,7 +2559,7 @@ sub authform_filesystem{
         }
     } else {
         if ($authnum == 1) {
-            $authtype = '<input type="hidden" name="login" value="fsys">';
+            $authtype = '<input type="hidden" name="login" value="fsys" />';
         }
     }
     if (!$can_assign{'fsys'}) {
@@ -2153,7 +2568,7 @@ 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" />';
                 }
             }
         }
@@ -2218,42 +2633,6 @@ 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                 ##
 ###############################################################
 ##
@@ -2265,22 +2644,31 @@ 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 4 and the domain of the server.
+version and domain. If not found, it defaults to version 4 and the 
+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,$krbdefdom) =
-        &Apache::loncommon::get_auth_defaults($domain);
-    unless ($krbdef =~/^krb/ && $krbdefdom) {
+    my ($krbdef,$krbdefdom);
+    my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
+    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;
         $krbdefdom=~tr/a-z/A-Z/;
@@ -2289,11 +2677,6 @@ sub get_kerberos_defaults {
     return ($krbdef,$krbdefdom);
 }
 
-=pod
-
-=back
-
-=cut
 
 ###############################################################
 ##                Thesaurus Functions                        ##
@@ -2305,7 +2688,7 @@ 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.
@@ -2350,7 +2733,7 @@ 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 
@@ -2371,7 +2754,7 @@ 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
@@ -2429,7 +2812,7 @@ 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 
@@ -2458,7 +2841,7 @@ sub plainname {
 # -------------------------------------------------------------------- Nickname
 =pod
 
-=item * nickname($uname,$udom)
+=item * &nickname($uname,$udom)
 
 Gets a users name and returns it as a string as
 
@@ -2508,18 +2891,21 @@ 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' && $uname eq 'public') {
@@ -2550,11 +2936,48 @@ sub flush_email_cache {
     &Apache::lonnet::devalidate_cache_new('emailscache',$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
 
@@ -2568,6 +2991,25 @@ sub screenname {
     return $names{'screenname'};
 }
 
+# ------------------------------------------------------------- Confirm Wrapper
+=pod
+
+=item confirmwrapper
+
+Wrap messages about completion of operation in box
+
+=cut
+
+sub confirmwrapper {
+    my ($message)=@_;
+    if ($message) {
+        return "\n".'<div class="LC_confirm_box">'."\n"
+               .$message."\n"
+               .'</div>'."\n";
+    } else {
+        return $message;
+    }
+}
 
 # ------------------------------------------------------------- Message Wrapper
 
@@ -2594,7 +3036,7 @@ sub aboutmewrapper {
         return;
     }
     return '<a href="/adm/'.$domain.'/'.$username.'/aboutme"'.
-	($target?' target="$target"':'').' title="'.&mt("View this user's personal page").'">'.$link.'</a>';
+	($target?' target="$target"':'').' title="'.&mt("View this user's personal information page").'">'.$link.'</a>';
 }
 
 # ------------------------------------------------------------ Syllabus Wrapper
@@ -2609,7 +3051,7 @@ sub syllabuswrapper {
 }
 
 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) && $sname !~ /^\s*$/ &&
@@ -2623,12 +3065,34 @@ 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
 
 
@@ -2650,7 +3114,7 @@ sub student_image_tag {
 
 =over 4
 
-=item * languageids() 
+=item * &languageids() 
 
 returns list of all language ids
 
@@ -2662,7 +3126,7 @@ sub languageids {
 
 =pod
 
-=item * languagedescription() 
+=item * &languagedescription() 
 
 returns description of a specified language id
 
@@ -2687,7 +3151,7 @@ sub supportedlanguagecode {
 
 =pod
 
-=item * copyrightids() 
+=item * &copyrightids() 
 
 returns list of all copyrights
 
@@ -2699,7 +3163,7 @@ sub copyrightids {
 
 =pod
 
-=item * copyrightdescription() 
+=item * &copyrightdescription() 
 
 returns description of a specified copyright id
 
@@ -2711,7 +3175,7 @@ sub copyrightdescription {
 
 =pod
 
-=item * source_copyrightids() 
+=item * &source_copyrightids() 
 
 returns list of all source copyrights
 
@@ -2723,7 +3187,7 @@ sub source_copyrightids {
 
 =pod
 
-=item * source_copyrightdescription() 
+=item * &source_copyrightdescription() 
 
 returns description of a specified source copyright id
 
@@ -2735,7 +3199,7 @@ sub source_copyrightdescription {
 
 =pod
 
-=item * filecategories() 
+=item * &filecategories() 
 
 returns list of all file categories
 
@@ -2747,7 +3211,7 @@ sub filecategories {
 
 =pod
 
-=item * filecategorytypes() 
+=item * &filecategorytypes() 
 
 returns list of file types belonging to a given file
 category
@@ -2761,7 +3225,7 @@ sub filecategorytypes {
 
 =pod
 
-=item * fileembstyle() 
+=item * &fileembstyle() 
 
 returns embedding style for a specified file type
 
@@ -2785,7 +3249,7 @@ sub filecategoryselect {
 
 =pod
 
-=item * filedescription() 
+=item * &filedescription() 
 
 returns description for a specified file type
 
@@ -2799,7 +3263,7 @@ sub filedescription {
 
 =pod
 
-=item * filedescriptionex() 
+=item * &filedescriptionex() 
 
 returns description for a specified file type with
 extra formatting
@@ -2831,7 +3295,7 @@ sub fileextensions {
 
 sub display_languages {
     my %languages=();
-    foreach my $lang (&preferred_languages()) {
+    foreach my $lang (&Apache::lonlocal::preferred_languages()) {
 	$languages{$lang}=1;
     }
     &get_unprocessed_cgi($ENV{'QUERY_STRING'},['displaylanguage']);
@@ -2843,56 +3307,9 @@ 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;
@@ -2913,6 +3330,28 @@ 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                     ##
 ###############################################################
@@ -2923,7 +3362,7 @@ 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:
@@ -3051,7 +3490,7 @@ 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) ||
@@ -3067,7 +3506,7 @@ sub relative_to_absolute {
 
 =pod
 
-=item * get_student_view
+=item * &get_student_view()
 
 show a snapshot of what student was looking at
 
@@ -3086,7 +3525,7 @@ 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;
@@ -3095,12 +3534,44 @@ 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
 
@@ -3204,16 +3675,21 @@ sub pprmlink {
 
 
 sub timehash {
-    my @ltime=localtime(shift);
-    return ( 'seconds' => $ltime[0],
-             'minutes' => $ltime[1],
-             'hours'   => $ltime[2],
-             'day'     => $ltime[3],
-             'month'   => $ltime[4]+1,
-             'year'    => $ltime[5]+1900,
-             'weekday' => $ltime[6],
-             'dayyear' => $ltime[7]+1,
-             'dlsav'   => $ltime[8] );
+    my ($thistime) = @_;
+    my $timezone = &Apache::lonlocal::gettimezone();
+    my $dt = DateTime->from_epoch(epoch => $thistime)
+                     ->set_time_zone($timezone);
+    my $wday = $dt->day_of_week();
+    if ($wday == 7) { $wday = 0; }
+    return ( 'second' => $dt->second(),
+             'minute' => $dt->minute(),
+             'hour'   => $dt->hour(),
+             'day'     => $dt->day_of_month(),
+             'month'   => $dt->month(),
+             'year'    => $dt->year(),
+             'weekday' => $wday,
+             'dayyear' => $dt->day_of_year(),
+             'dlsav'   => $dt->is_dst() );
 }
 
 sub utc_string {
@@ -3223,6 +3699,24 @@ sub utc_string {
 
 sub maketime {
     my %th=@_;
+    my ($epoch_time,$timezone,$dt);
+    $timezone = &Apache::lonlocal::gettimezone();
+    eval {
+        $dt = DateTime->new( year   => $th{'year'},
+                             month  => $th{'month'},
+                             day    => $th{'day'},
+                             hour   => $th{'hour'},
+                             minute => $th{'minute'},
+                             second => $th{'second'},
+                             time_zone => $timezone,
+                         );
+    };
+    if (!$@) {
+        $epoch_time = $dt->epoch;
+        if ($epoch_time) {
+            return $epoch_time;
+        }
+    }
     return POSIX::mktime(
         ($th{'seconds'},$th{'minutes'},$th{'hours'},
          $th{'day'},$th{'month'}-1,$th{'year'}-1900,0,0,-1));
@@ -3247,6 +3741,7 @@ sub findallcourses {
         if (!%roles) {
             %roles = (
                        cc => 1,
+                       co => 1,
                        in => 1,
                        ep => 1,
                        ta => 1,
@@ -3573,7 +4068,7 @@ sub blocking_status {
                              &Apache::lonnet::coursedescription($course);
                         $coursedesc = $courseinfo{'description'};
                     }
-                    $category = "Group files in the course '$coursedesc'";
+                    $category = "Group portfolio files in the course '$coursedesc'";
                 } else {
                     $category = 'Portfolio files belonging to ';
                     if ($env{'user.name'} eq 'public' && 
@@ -3603,6 +4098,60 @@ sub blocking_status {
 
 ###############################################
 
+sub check_ip_acc {
+    my ($acc)=@_;
+    &Apache::lonxml::debug("acc is $acc");
+    if (!defined($acc) || $acc =~ /^\s*$/ || $acc =~/^\s*no\s*$/i) {
+        return 1;
+    }
+    my $allowed=0;
+    my $ip=$env{'request.host'} || $ENV{'REMOTE_ADDR'};
+
+    my $name;
+    foreach my $pattern (split(',',$acc)) {
+        $pattern =~ s/^\s*//;
+        $pattern =~ s/\s*$//;
+        if ($pattern =~ /\*$/) {
+            #35.8.*
+            $pattern=~s/\*//;
+            if ($ip =~ /^\Q$pattern\E/) { $allowed=1; }
+        } elsif ($pattern =~ /(\d+\.\d+\.\d+)\.\[(\d+)-(\d+)\]$/) {
+            #35.8.3.[34-56]
+            my $low=$2;
+            my $high=$3;
+            $pattern=$1;
+            if ($ip =~ /^\Q$pattern\E/) {
+                my $last=(split(/\./,$ip))[3];
+                if ($last <=$high && $last >=$low) { $allowed=1; }
+            }
+        } elsif ($pattern =~ /^\*/) {
+            #*.msu.edu
+            $pattern=~s/\*//;
+            if (!defined($name)) {
+                use Socket;
+                my $netaddr=inet_aton($ip);
+                ($name)=gethostbyaddr($netaddr,AF_INET);
+            }
+            if ($name =~ /\Q$pattern\E$/i) { $allowed=1; }
+        } elsif ($pattern =~ /\d+\.\d+\.\d+\.\d+/) {
+            #127.0.0.1
+            if ($ip =~ /^\Q$pattern\E/) { $allowed=1; }
+        } else {
+            #some.name.com
+            if (!defined($name)) {
+                use Socket;
+                my $netaddr=inet_aton($ip);
+                ($name)=gethostbyaddr($netaddr,AF_INET);
+            }
+            if ($name =~ /\Q$pattern\E$/i) { $allowed=1; }
+        }
+        if ($allowed) { last; }
+    }
+    return $allowed;
+}
+
+###############################################
+
 =pod
 
 =head1 Domain Template Functions
@@ -3622,7 +4171,7 @@ 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'}; 
@@ -3646,45 +4195,85 @@ sub get_domainconf {
 
     my %domconfig = &Apache::lonnet::get_dom('configuration',
 					     ['login','rolecolors'],$udom);
-    my %designhash;
+    my (%designhash,%legacy);
     if (keys(%domconfig) > 0) {
         if (ref($domconfig{'login'}) eq 'HASH') {
-            foreach my $key (keys(%{$domconfig{'login'}})) {
-                $designhash{$udom.'.login.'.$key}=$domconfig{'login'}{$key};
+            if (keys(%{$domconfig{'login'}})) {
+                foreach my $key (keys(%{$domconfig{'login'}})) {
+                    if (ref($domconfig{'login'}{$key}) eq 'HASH') {
+                        foreach my $img (keys(%{$domconfig{'login'}{$key}})) {
+                            $designhash{$udom.'.login.'.$key.'_'.$img} =
+                                $domconfig{'login'}{$key}{$img};
+                        }
+                    } else {
+                        $designhash{$udom.'.login.'.$key}=$domconfig{'login'}{$key};
+                    }
+                }
+            } else {
+                $legacy{'login'} = 1;
             }
+        } else {
+            $legacy{'login'} = 1;
         }
         if (ref($domconfig{'rolecolors'}) eq 'HASH') {
-            foreach my $role (keys(%{$domconfig{'rolecolors'}})) {
-                if (ref($domconfig{'rolecolors'}{$role}) eq 'HASH') {
-                    foreach my $item (keys(%{$domconfig{'rolecolors'}{$role}})) {
-                        $designhash{$udom.'.'.$role.'.'.$item}=$domconfig{'rolecolors'}{$role}{$item};
+            if (keys(%{$domconfig{'rolecolors'}})) {
+                foreach my $role (keys(%{$domconfig{'rolecolors'}})) {
+                    if (ref($domconfig{'rolecolors'}{$role}) eq 'HASH') {
+                        foreach my $item (keys(%{$domconfig{'rolecolors'}{$role}})) {
+                            $designhash{$udom.'.'.$role.'.'.$item}=$domconfig{'rolecolors'}{$role}{$item};
+                        }
                     }
                 }
+            } else {
+                $legacy{'rolecolors'} = 1;
             }
+        } else {
+            $legacy{'rolecolors'} = 1;
         }
-    } else {
-        my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
-        my $designfile =  $designdir.'/'.$udom.'.tab';
-        if (-e $designfile) {
-            if ( open (my $fh,"<$designfile") ) {
-                while (my $line = <$fh>) {
-                    next if ($line =~ /^\#/);
-                    chomp($line);
-                    my ($key,$val)=(split(/\=/,$line));
-                    if ($val) { $designhash{$udom.'.'.$key}=$val; }
+        if (keys(%legacy) > 0) {
+            my %legacyhash = &get_legacy_domconf($udom);
+            foreach my $item (keys(%legacyhash)) {
+                if ($item =~ /^\Q$udom\E\.login/) {
+                    if ($legacy{'login'}) { 
+                        $designhash{$item} = $legacyhash{$item};
+                    }
+                } else {
+                    if ($legacy{'rolecolors'}) {
+                        $designhash{$item} = $legacyhash{$item};
+                    }
                 }
-                close($fh);
             }
         }
-        if (-e '/home/httpd/html/adm/lonDomLogos/'.$udom.'.gif') {
-            $designhash{$udom.'.login.domlogo'} = "/adm/lonDomLogos/$udom.gif";
-        }
+    } else {
+        %designhash = &get_legacy_domconf($udom); 
     }
     &Apache::lonnet::do_cache_new('domainconfig',$udom,\%designhash,
 				  $cachetime);
     return %designhash;
 }
 
+sub get_legacy_domconf {
+    my ($udom) = @_;
+    my %legacyhash;
+    my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
+    my $designfile =  $designdir.'/'.$udom.'.tab';
+    if (-e $designfile) {
+        if ( open (my $fh,"<$designfile") ) {
+            while (my $line = <$fh>) {
+                next if ($line =~ /^\#/);
+                chomp($line);
+                my ($key,$val)=(split(/\=/,$line));
+                if ($val) { $legacyhash{$udom.'.'.$key}=$val; }
+            }
+            close($fh);
+        }
+    }
+    if (-e '/home/httpd/html/adm/lonDomLogos/'.$udom.'.gif') {
+        $legacyhash{$udom.'.login.domlogo'} = "/adm/lonDomLogos/$udom.gif";
+    }
+    return %legacyhash;
+}
+
 =pod
 
 =item * &domainlogo()
@@ -3734,10 +4323,10 @@ Returns: value of designparamter $which
 sub designparm {
     my ($which,$domain)=@_;
     if ($env{'browser.blackwhite'} eq 'on') {
-	if ($which=~/\.(font|alink|vlink|link)$/) {
+	if ($which=~/\.(font|alink|vlink|link|textcol)$/) {
 	    return '#000000';
 	}
-	if ($which=~/\.(pgbg|sidebg)$/) {
+	if ($which=~/\.(pgbg|sidebg|bgcol)$/) {
 	    return '#FFFFFF';
 	}
 	if ($which=~/\.tabbg$/) {
@@ -3756,7 +4345,7 @@ sub designparm {
         $output = $defaultdesign{$which};
     }
     if (($which =~ /^(student|coordinator|author|admin)\.img$/) ||
-        ($which =~ /login\.(img|logo|domlogo)/)) {
+        ($which =~ /login\.(img|logo|domlogo|login)/)) {
         if ($output =~ m{^/(adm|res)/}) {
 	    if ($output =~ m{^/res/}) {
 		my $local_name = &Apache::lonnet::filelocation('',$output);
@@ -3840,7 +4429,7 @@ 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),
@@ -3924,7 +4513,7 @@ ENDROLE
         $dc_info = '('.$dc_info.')';
     }
 
-    if ($env{'environment.remote'} eq 'off') {
+    if (($env{'environment.remote'} eq 'off') || ($args->{'suppress_header_logos'})) {
         # No Remote
 	if ($env{'request.state'} eq 'construct') {
 	    $forcereg=1;
@@ -3947,9 +4536,9 @@ ENDROLE
 		$lastitem = $thisdisfn;
 	    }
 	    $titleinfo = 
-		&Apache::loncommon::help_open_menu('','',3,'Authoring').
-		'<b>Construction Space</b>:&nbsp;'. 
-		'<form name="dirs" method="post" action="'.$formaction
+		&Apache::loncommon::help_open_menu('','',3,'Authoring')
+		.'<b>'.&mt('Construction Space').'</b>:&nbsp;'
+		.'<form name="dirs" method="post" action="'.$formaction
 		.'" target="_top"><tt><b>'
 		.&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv','','+1',1)."<font size=\"+1\">$lastitem</font></b></tt><br />"
 		.&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()')
@@ -4073,18 +4662,25 @@ sub make_attr_string {
 
 Returns a uniform footer for LON-CAPA web pages.
 
-Inputs: none
+Inputs: 1 - optional reference to an args hash
+If in the hash, key for noredirectlink has a value which evaluates to true,
+a 'Continue' link is not displayed if the page contains an
+internal redirect in the <head></head> section,
+i.e., $env{'internal.head.redirect'} exists   
 
 =cut
 
 sub endbodytag {
+    my ($args) = @_;
     my $endbodytag='</body>';
     $endbodytag=&Apache::lontexconvert::jsMath_process()."\n".$endbodytag;
     if ( exists( $env{'internal.head.redirect'} ) ) {
-	$endbodytag=
-	    "<br /><a href=\"$env{'internal.head.redirect'}\">".
-	    &mt('Continue').'</a>'.
-	    $endbodytag;
+        if (!(ref($args) eq 'HASH' && $args->{'noredirectlink'})) {
+	    $endbodytag=
+	        "<br /><a href=\"$env{'internal.head.redirect'}\">".
+	        &mt('Continue').'</a>'.
+	        $endbodytag;
+        }
     }
     return $endbodytag;
 }
@@ -4121,8 +4717,8 @@ sub standard_css {
     my $sans                 = 'Verdana,Arial,Helvetica,sans-serif';
     my $mono                 = 'monospace';
     my $data_table_head      = $tabbg;
-    my $data_table_light     = '#EEEEEE';
-    my $data_table_dark      = '#DDDDDD';
+    my $data_table_light     = '#FAFAFA';
+    my $data_table_dark      = '#F0F0F0';
     my $data_table_darker    = '#CCCCCC';
     my $data_table_highlight = '#FFFF00';
     my $mail_new             = '#FFBB77';
@@ -4135,15 +4731,25 @@ sub standard_css {
     my $mail_other_hover     = '#669999';
     my $table_header         = '#DDDDDD';
     my $feedback_link_bg     = '#BBBBBB';
+    my $lg_border_color      = '#C8C8C8';
 
     my $border = ($env{'browser.type'} eq 'explorer' ||
-		  $env{'browser.type'} eq 'safari'     ) ? '0px 2px 0px 2px'
-	                                                 : '0px 3px 0px 4px';
+		  $env{'browser.type'} eq 'safari'     ) ? '0 2px 0 2px'
+	                                                 : '0 3px 0 4px';
 
 
     return <<END;
 h1, h2, h3, th { font-family: $sans }
 a:focus { color: red; background: yellow } 
+
+hr {
+  clear: both;
+  color: $tabbg;
+  background-color: $tabbg;
+  height: 3px;
+  border: none;
+}
+
 table.thinborder,
 
 table.thinborder tr th {
@@ -4173,25 +4779,66 @@ form, .inline { display: inline; }
 .LC_diff_added {
   color: green;
 }
-.LC_unknown {
-  color: yellow;
+
+div.LC_confirm_box {
+  background-color: #FAFAFA;
+  border: 1px solid $lg_border_color;
+  margin-right: 0;
+  padding: 5px;
+}
+
+div.LC_confirm_box .LC_error img,
+div.LC_confirm_box .LC_success img {
+  vertical-align: middle;
 }
 
 .LC_icon {
-  border: 0px;
+  border: none;
 }
 .LC_indexer_icon {
-  border: 0px;
+  border: 0;
   height: 22px;
 }
 .LC_docs_spacer {
   width: 25px;
   height: 1px;
-  border: 0px;
+  border: none;
 }
 
 .LC_internal_info {
-  color: #999;
+  color: #999999;
+}
+
+.LC_discussion {
+   background: $tabbg;
+   border: 1px solid black;
+   margin: 2px;
+}
+
+.LC_disc_action_links_bar {
+   background: $tabbg;
+   border: none;
+   margin: 4px;
+}
+
+.LC_disc_action_left {
+   text-align: left;
+}
+
+.LC_disc_action_right {
+   text-align: right;
+}
+
+.LC_disc_new_item {
+   background: white;
+   border: 2px solid red;
+   margin: 2px;
+}
+
+.LC_disc_old_item {
+   background: white;
+   border: 1px solid black;
+   margin: 2px;
 }
 
 table.LC_pastsubmission {
@@ -4204,7 +4851,7 @@ table#LC_top_nav, table#LC_menubuttons,t
   background: $pgbg;
   border: 2px;
   border-collapse: separate;
-  padding: 0px;
+  padding: 0;
 }
 
 table#LC_title_bar, table.LC_breadcrumbs, 
@@ -4217,7 +4864,7 @@ table#LC_title_bar.LC_with_remote {
   background: $pgbg;
   font-family: $sans;
   border-collapse: collapse;
-  padding: 0px;
+  padding: 0;
 }
 
 table.LC_docs_path {
@@ -4226,7 +4873,7 @@ table.LC_docs_path {
   background: $pgbg;
   font-family: $sans;
   border-collapse: collapse;
-  padding: 0px;
+  padding: 0;
 }
 
 table#LC_title_bar td {
@@ -4247,27 +4894,27 @@ span.LC_title_bar_title {
 table#LC_title_bar td.LC_title_bar_domain_logo {
   background: $sidebg;
   text-align: right;
-  padding: 0px;
+  padding: 0;
 }
 table#LC_title_bar td.LC_title_bar_role_logo {
   background: $sidebg;
-  padding: 0px;
+  padding: 0;
 }
 
 table#LC_menubuttons_mainmenu {
   width: 100%;
-  border: 0px;
+  border: 0;
   border-spacing: 1px;
-  padding: 0px 1px;
-  margin: 0px;
+  padding: 0 1px;
+  margin: 0;
   border-collapse: separate;
 }
 table#LC_menubuttons img, table#LC_menubuttons_mainmenu img {
-  border: 0px;
+  border: none;
 }
 table#LC_top_nav td {
   background: $tabbg;
-  border: 0px;
+  border: none;
   font-size: small;
 }
 table#LC_top_nav td a, div#LC_top_nav a {
@@ -4281,7 +4928,7 @@ table#LC_top_nav td.LC_top_nav_logo {
   width: 31px;
 }
 table#LC_top_nav td.LC_top_nav_logo img {
-  border: 0px;
+  border: none;
   vertical-align: bottom;
 }
 table#LC_top_nav td.LC_top_nav_exit,
@@ -4309,7 +4956,6 @@ table.LC_docs_path td.LC_docs_path_compo
 td.LC_table_cell_checkbox {
   text-align: center;
 }
-
 table#LC_mainmenu td.LC_mainmenu_column {
     vertical-align: top;
 }
@@ -4323,7 +4969,7 @@ table#LC_mainmenu td.LC_mainmenu_column
 .LC_menubuttons_link {
   text-decoration: none;
 }
-
+/*2008--9-5: new menu style sheet.Changed category*/
 .LC_menubuttons_category {
   color: $font;
   background: $pgbg;
@@ -4347,38 +4993,10 @@ td.LC_menubuttons_img {
 }
 .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 {
-  font-family: $sans;
-}
-
-.LC_rolesinfo {
-  font-family: $sans;
-}
-
 .LC_dropadd_labeltext {
   font-family: $sans;
   text-align: right;
@@ -4389,10 +5007,18 @@ td.LC_menubuttons_img {
   text-align: right;
 }
 
+.LC_roleslog_note {
+  font-size: smaller;
+}
+
+.LC_mail_functions {
+    font-weight: bold;
+}
+
 table.LC_aboutme_port {
-  border: 0px;
+  border: none;
   border-collapse: collapse;
-  border-spacing: 0px;
+  border-spacing: 0;
 }
 table.LC_data_table, table.LC_mail_list {
   border: 1px solid #000000;
@@ -4406,33 +5032,51 @@ table.LC_data_table, table.LC_mail_list
 table.LC_nested_outer {
   border: 1px solid #000000;
   border-collapse: collapse;
-  border-spacing: 0px;
+  border-spacing: 0;
   width: 100%;
 }
+table.LC_innerpickbox,
 table.LC_nested {
-  border: 0px;
+  border: none;
   border-collapse: collapse;
-  border-spacing: 0px;
+  border-spacing: 0;
   width: 100%;
 }
 table.LC_data_table tr th, table.LC_calendar tr th, table.LC_mail_list tr th,
-table.LC_prior_tries tr th {
+table.LC_prior_tries tr th,
+table.LC_innerpickbox tr th {
   font-weight: bold;
   background-color: $data_table_head;
   font-size: smaller;
 }
+table.LC_innerpickbox tr th,
+table.LC_innerpickbox tr td {
+  vertical-align: top;
+}
+table.LC_data_table tr.LC_info_row > td {
+  background-color: #CCCCCC;
+  font-weight: bold;
+  text-align: left;
+}
 table.LC_data_table tr.LC_odd_row > td, 
+table.LC_pick_box tr > td.LC_odd_row,
 table.LC_aboutme_port tr td {
   background-color: $data_table_light;
   padding: 2px;
 }
 table.LC_data_table tr.LC_even_row > td,
+table.LC_pick_box tr > td.LC_even_row,
 table.LC_aboutme_port tr.LC_even_row td {
   background-color: $data_table_dark;
+  padding: 2px;
 }
 table.LC_data_table tr.LC_data_table_highlight td {
   background-color: $data_table_darker;
 }
+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;
@@ -4458,7 +5102,7 @@ table.LC_nested_outer tr td.LC_subheader
   text-align: right;
 }
 table.LC_nested tr.LC_info_row td {
-  background-color: #CCC;
+  background-color: #CCCCCC;
   font-weight: bold;
   font-size: small;
   text-align: center;
@@ -4468,7 +5112,7 @@ 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,
@@ -4479,7 +5123,7 @@ 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 {
@@ -4490,7 +5134,7 @@ table.LC_createuser tr.LC_section_row td
 }
 
 table.LC_createuser tr.LC_info_row td  {
-  background-color: #CCC;
+  background-color: #CCCCCC;
   font-weight: bold;
   text-align: center;
 }
@@ -4546,10 +5190,10 @@ table.LC_mail_list tr.LC_mail_odd {
 table#LC_portfolio_actions {
   width: auto;
   background: $pgbg;
-  border: 0px;
+  border: none;
   border-spacing: 2px 2px;
-  padding: 0px;
-  margin: 0px;
+  padding: 0;
+  margin: 0;
   border-collapse: separate;
 }
 table#LC_portfolio_actions td.LC_label {
@@ -4605,6 +5249,49 @@ table#LC_browser tr.LC_browser_file_meta
 table#LC_browser tr.LC_browser_folder {
   background: #CCCCFF;
 }
+
+table.LC_data_table tr > td.LC_browser_file,
+table.LC_data_table tr > td.LC_browser_file_published {
+  background: #AAEE77;
+}
+
+table.LC_data_table tr > td.LC_browser_file_locked,
+table.LC_data_table tr > td.LC_browser_file_unpublished {
+  background: #FFAA99;
+}
+
+table.LC_data_table tr > td.LC_browser_file_obsolete {
+  background: #888888;
+}
+
+table.LC_data_table tr > td.LC_browser_file_modified,
+table.LC_data_table tr > td.LC_browser_file_metamodified {
+  background: #F8F866;
+}
+
+table.LC_data_table tr.LC_browser_folder > td {
+  background: #E0E8FF;
+}
+
+table.LC_data_table tr > td.LC_roles_is {
+/*  background: #77FF77; */
+}
+table.LC_data_table tr > td.LC_roles_future {
+  background: #FFFF77;
+}
+table.LC_data_table tr > td.LC_roles_will {
+  background: #FFAA77;
+}
+table.LC_data_table tr > td.LC_roles_expired {
+  background: #FF7777;
+}
+table.LC_data_table tr > td.LC_roles_will_not {
+  background: #AAFF77;
+}
+table.LC_data_table tr > td.LC_roles_selected {
+  background: #11CC55;
+}
+
 span.LC_current_location {
   font-size: x-large;
   background: $pgbg;
@@ -4650,9 +5337,9 @@ table.LC_parm_overview_restrictions th {
   border-color: $pgbg;
 }
 table#LC_helpmenu {
-  border: 0px;
+  border: none;
   height: 55px;
-  border-spacing: 0px;
+  border-spacing: 0;
 }
 
 table#LC_helpmenu fieldset legend {
@@ -4663,7 +5350,7 @@ 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 {
@@ -4705,9 +5392,18 @@ table.LC_pick_box td.LC_pick_box_title {
   background: $tabbg;
   font-weight: bold;
   text-align: right;
+  vertical-align: top;
   width: 184px;
   padding: 8px;
 }
+table.LC_pick_box td.LC_selfenroll_pick_box_title {
+  background: $tabbg;
+  font-weight: bold;
+  text-align: right;
+  width: 350px;
+  padding: 8px;
+}
+
 table.LC_pick_box td.LC_pick_box_value {
   text-align: left;
   padding: 8px;
@@ -4717,7 +5413,7 @@ table.LC_pick_box td.LC_pick_box_select
   padding: 8px;
 }
 table.LC_pick_box td.LC_pick_box_separator {
-  padding: 0px;
+  padding: 0;
   height: 1px;
   background: black;
 }
@@ -4759,7 +5455,7 @@ table.LC_helpform_receipt td.LC_oddrow_v
   background-color: $data_table_light;
 }
 table.LC_helpform_receipt td.LC_pick_box_separator {
-  padding: 0px;
+  padding: 0;
   height: 1px;
   background: black;
 }
@@ -4792,7 +5488,7 @@ table.LC_group_priv_box td.LC_groups_fun
 }
 table.LC_group_priv td {
   text-align: left;
-  padding: 0px;
+  padding: 0;
 }
 
 table.LC_notify_front_page {
@@ -4813,6 +5509,7 @@ table.LC_notify_front_page td {
   background: $tabbg;
   vertical-align: middle;
   margin: 2ex 0ex 2ex 0ex;
+  padding: 3px;
 }
 .LC_topic_bar span {
   vertical-align: middle;
@@ -4834,6 +5531,7 @@ table.LC_descriptive_input td.LC_descrip
   font-weight: bold;
 }
 div.LC_feedback_link {
+  clear: both;
   background: white;
   width: 100%;  
 }
@@ -4913,7 +5611,7 @@ table.LC_prior_match tr td {
   border: 1px solid #000000;
 }
 
-span.LC_nobreak {
+.LC_nobreak {
   white-space: nowrap;
 }
 
@@ -4921,9 +5619,14 @@ span.LC_cusr_emph {
   font-style: italic;
 }
 
+span.LC_cusr_subheading {
+  font-weight: normal;
+  font-size: 85%;
+}
+
 table.LC_docs_documents {
   background: #BBBBBB;
-  border-width: 0px;
+  border-width: 0;
   border-collapse: collapse;
 }
 
@@ -4940,7 +5643,7 @@ table.LC_docs_documents td.LC_docs_docum
 }
 
 .LC_docs_entry_move {
-  border: 0px;
+  border: none;
   border-collapse: collapse;
 }
 
@@ -4996,7 +5699,7 @@ table.LC_sty_end {
 }
 
 table.LC_double_column {
-  border-width: 0px;
+  border-width: 0;
   border-collapse: collapse;
   width: 100%;
   padding: 2px;
@@ -5037,7 +5740,6 @@ div.LC_clear_float_footer {
 
 
 div.LC_grade_select_mode {
-  float: left;
   font-family: $sans;
 }
 div.LC_grade_select_mode div div {
@@ -5104,12 +5806,15 @@ table.LC_scantron_action tr th {
   font: normal bold $sans;
 }
 
-div.LC_edit_problem_header {
+div.LC_edit_problem_header, 
+div.LC_edit_problem_footer {
   font: normal medium $sans;
   margin: 2px;
 }
 div.LC_edit_problem_header,
 div.LC_edit_problem_header div,
+div.LC_edit_problem_footer,
+div.LC_edit_problem_footer div,
 div.LC_edit_problem_editxml_header,
 div.LC_edit_problem_editxml_header div {
   margin-top: 5px;
@@ -5133,7 +5838,7 @@ table.LC_edit_problem_header_title {
 
   background: $tabbg;
   border-collapse: collapse;
-  padding: 0px
+  padding: 0;
 }
 
 div.LC_edit_problem_discards {
@@ -5149,8 +5854,39 @@ hr.LC_edit_problem_divide {
   color: $tabbg;
   background-color: $tabbg;
   height: 3px;
-  border: 0px;
+  border: none;
+}
+img.stift{
+  border-width:0;
+  vertical-align:middle;
+}
+
+table#LC_mainmenu{
+ margin-top:10px;
+ width:80%;
+
+}
+
+table#LC_mainmenu td.LC_mainmenu_col_fieldset{
+  vertical-align: top;
+  width: 45%;
 }
+.LC_mainmenu_fieldset_category {
+  color: $font;
+  background: $pgbg;
+  font-family: $sans;
+  font-size: small;
+  font-weight: bold;
+}
+fieldset#LC_mainmenu_fieldset {
+  margin:0 10px 10px 0;
+
+}
+
+div.LC_createcourse {
+    margin: 10px 10px 10px 10px;
+}
+
 END
 }
 
@@ -5244,10 +5980,7 @@ Inputs: none
 
 sub font_settings {
     my $headerstring='';
-    if (($env{'browser.os'} eq 'mac') && (!$env{'browser.mathml'})) { 
-	$headerstring.=
-	    '<meta Content-Type="text/html; charset=x-mac-roman" />';
-    } elsif (!$env{'browser.mathml'} && $env{'browser.unicode'}) {
+    if (!$env{'browser.mathml'} && $env{'browser.unicode'}) {
 	$headerstring.=
 	    '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />';
     }
@@ -5281,7 +6014,8 @@ 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;
 }
@@ -5306,8 +6040,15 @@ sub endheadtag {
 
 Returns a uniform complete <head>..</head> section for LON-CAPA web pages.
 
-Inputs: $title - optional title for the page
-        $head_extra - optional extra HTML to put inside the <head>
+Inputs:
+
+=over 4
+
+$title - optional title for the page
+
+$head_extra - optional extra HTML to put inside the <head>
+
+=back
 
 =cut
 
@@ -5322,44 +6063,54 @@ sub head {
 
 Returns a complete <html> .. <body> section for LON-CAPA web pages.
 
-Inputs: $title - optional title for the page
-        $head_extra - optional extra HTML to incude inside the <head>
-        $args - additional optional args supported are:
-                  only_body      -> is true will set &bodytag() onlybodytag
+Inputs:
+
+=over 4
+
+$title - optional title for the page
+
+$head_extra - optional extra HTML to incude inside the <head>
+
+$args - additional optional args supported are:
+
+=over 8
+
+             only_body      -> is true will set &bodytag() onlybodytag
                                     arg on
-                  no_nav_bar     -> is true will set &bodytag() notopbar arg on
-                  add_entries    -> additional attributes to add to the  <body>
-                  domain         -> force to color decorate a page for a 
+             no_nav_bar     -> is true will set &bodytag() notopbar arg on
+             add_entries    -> additional attributes to add to the  <body>
+             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()
-                  bgcolor        -> override the default page bg color
-                  js_ready       -> return a string ready for being used in 
+             redirect       -> see &headtag()
+             bgcolor        -> override the default page bg color
+             js_ready       -> return a string ready for being used in 
                                     a javascript writeln
-                  html_encode    -> return a string ready for being used in 
+             html_encode    -> return a string ready for being used in 
                                     a html attribute
-                  force_register -> if is true will turn on the &bodytag()
+             force_register -> if is true will turn on the &bodytag()
                                     $forcereg arg
-                  body_title     -> alternate text to use instead of $title
+             body_title     -> alternate text to use instead of $title
                                     in the title box that appears, this text
                                     is not auto translated like the $title is
-                  frameset       -> if true will start with a <frameset>
+             frameset       -> if true will start with a <frameset>
                                     rather than <body>
-                  no_title       -> if true the title bar won't be shown
-                  skip_phases    -> hash ref of 
+             no_title       -> if true the title bar won't be shown
+             skip_phases    -> hash ref of 
                                     head -> skip the <html><head> generation
                                     body -> skip all <body> generation
-
-                  no_inline_link -> if true and in remote mode, don't show the 
+             no_inline_link -> if true and in remote mode, don't show the 
                                     'Switch To Inline Menu' link
-
-                  no_auto_mt_title -> prevent &mt()ing the title arg
-
-                  inherit_jsmath -> when creating popup window in a page,
+             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
 
+=back
+
+=back
+
 =cut
 
 sub start_page {
@@ -5405,10 +6156,26 @@ sub start_page {
     if ($args->{'html_encode'}) {
 	$result = &html_encode($result);
     }
+    #Breadcrumbs
+    if (exists($args->{'bread_crumbs'}) or exists($args->{'bread_crumbs_component'})) {
+        &Apache::lonhtmlcommon::clear_breadcrumbs();
+        #if any br links exists, add them to the breadcrumbs
+        if (exists($args->{'bread_crumbs'}) and ref($args->{'bread_crumbs'}) eq 'ARRAY') {
+            foreach my $crumb (@{$args->{'bread_crumbs'}}){
+                &Apache::lonhtmlcommon::add_breadcrumb($crumb);
+            }
+        }
+
+        #if bread_crumbs_component exists show it as headline else show only the breadcrumbs
+        if (exists($args->{'bread_crumbs_component'})){
+            $result .= &Apache::lonhtmlcommon::breadcrumbs($args->{'bread_crumbs_component'});
+        } else {
+            $result .= &Apache::lonhtmlcommon::breadcrumbs();
+        }
+    }
     return $result;
 }
 
-
 =pod
 
 =item * &head()
@@ -5446,7 +6213,7 @@ sub end_page {
     if ($args->{'frameset'}) {
 	$result .= '</frameset>';
     } else {
-	$result .= &endbodytag();
+	$result .= &endbodytag($args);
     }
     $result .= "\n</html>";
 
@@ -5633,13 +6400,13 @@ Returns either 'student','coordinator','
 ###############################################
 sub get_users_function {
     my $function = 'student';
-    if ($env{'request.role'}=~/^(cc|in|ta|ep)/) {
+    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|\~)/)) {
         $function='author';
     }
@@ -5650,6 +6417,37 @@ 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
@@ -5672,7 +6470,7 @@ 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;
@@ -5824,6 +6622,8 @@ previous, future, or all.
 6. reference to results object (hash of hashes).
 7. reference to optional userdata hash
 8. reference to optional statushash
+9. flag if privileged users (except those set to unhide in
+   course settings) should be excluded    
 Keys of top level results hash are roles.
 Keys of inner hashes are username:domain, with 
 values set to access type.
@@ -5840,7 +6640,7 @@ of the possibility of multiple values fo
 ###############################################
 
 sub get_course_users {
-    my ($cdom,$cnum,$types,$roles,$sections,$users,$userdata,$statushash) = @_;
+    my ($cdom,$cnum,$types,$roles,$sections,$users,$userdata,$statushash,$hidepriv) = @_;
     my %idx = ();
     my %seclists;
 
@@ -5857,7 +6657,6 @@ sub get_course_users {
         my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist($cdom,$cnum);
         my $now = time;
         foreach my $student (keys(%{$classlist})) {
-            my $status;
             my $match = 0;
             my $secmatch = 0;
             my $section = $$classlist{$student}[$idx{section}];
@@ -5917,6 +6716,17 @@ sub get_course_users {
                               active   => 'Active',
                               future   => 'Future',
                             );
+        my %nothide;
+        if ($hidepriv) {
+            my %coursehash=&Apache::lonnet::coursedescription($cdom.'_'.$cnum);
+            foreach my $user (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) {
+                if ($user !~ /:/) {
+                    $nothide{join(':',split(/[\@]/,$user))}=1;
+                } else {
+                    $nothide{$user} = 1;
+                }
+            }
+        }
         foreach my $person (sort(keys(%coursepersonnel))) {
             my $match = 0;
             my $secmatch = 0;
@@ -5950,6 +6760,12 @@ sub get_course_users {
                     $usec = 'none';
                 }
                 if ($uname ne '' && $udom ne '') {
+                    if ($hidepriv) {
+                        if ((&Apache::lonnet::privileged($uname,$udom)) &&
+                            (!$nothide{$uname.':'.$udom})) {
+                            next;
+                        }
+                    }
                     if ($end > 0 && $end < $now) {
                         $status = 'previous';
                     } elsif ($start > $now) {
@@ -6135,6 +6951,8 @@ If the user's status includes multiple t
 the largest default quota which applies to the user determines the
 default quota returned.
 
+=back
+
 =cut
 
 ###############################################
@@ -6144,24 +6962,40 @@ sub default_quota {
     my ($udom,$inststatus) = @_;
     my ($defquota,$settingstatus);
     my %quotahash = &Apache::lonnet::get_dom('configuration',
-                                            ['quota'],$udom);
-    if (ref($quotahash{'quota'}) eq 'HASH') {
+                                            ['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{'quota'}{$item} ne '') {
-                    if ($defquota eq '') {
-                        $defquota = $quotahash{'quota'}{$item};
-                        $settingstatus = $item;
-                    } elsif ($quotahash{'quota'}{$item} > $defquota) {
-                        $defquota = $quotahash{'quota'}{$item};
-                        $settingstatus = $item;
+                if (ref($quotahash{'quotas'}{'defaultquota'}) eq 'HASH') {
+                    if ($quotahash{'quotas'}{'defaultquota'}{$item} ne '') {
+                        if ($defquota eq '') {
+                            $defquota = $quotahash{'quotas'}{'defaultquota'}{$item};
+                            $settingstatus = $item;
+                        } elsif ($quotahash{'quotas'}{'defaultquota'}{$item} > $defquota) {
+                            $defquota = $quotahash{'quotas'}{'defaultquota'}{$item};
+                            $settingstatus = $item;
+                        }
+                    }
+                } else {
+                    if ($quotahash{'quotas'}{$item} ne '') {
+                        if ($defquota eq '') {
+                            $defquota = $quotahash{'quotas'}{$item};
+                            $settingstatus = $item;
+                        } elsif ($quotahash{'quotas'}{$item} > $defquota) {
+                            $defquota = $quotahash{'quotas'}{$item};
+                            $settingstatus = $item;
+                        }
                     }
                 }
             }
         }
         if ($defquota eq '') {
-            $defquota = $quotahash{'quota'}{'default'};
+            if (ref($quotahash{'quotas'}{'defaultquota'}) eq 'HASH') {
+                $defquota = $quotahash{'quotas'}{'defaultquota'}{'default'};
+            } else {
+                $defquota = $quotahash{'quotas'}{'default'};
+            }
             $settingstatus = 'default';
         }
     } else {
@@ -6213,14 +7047,14 @@ sub get_secgrprole_info {
 }
 
 sub user_picker {
-    my ($dom,$srch,$forcenewuser,$caller) = @_;
+    my ($dom,$srch,$forcenewuser,$caller,$cancreate,$usertype) = @_;
     my $currdom = $dom;
     my %curr_selected = (
                         srchin => 'dom',
                         srchby => 'lastname',
                       );
     my $srchterm;
-    if (ref($srch) eq 'HASH') {
+    if ((ref($srch) eq 'HASH') && ($env{'form.origform'} ne 'crtusername')) {
         if ($srch->{'srchby'} ne '') {
             $curr_selected{'srchby'} = $srch->{'srchby'};
         }
@@ -6267,6 +7101,7 @@ sub user_picker {
         #       loncreateuser::print_user_query_page()
         #       has been completed.
         next if ($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) {
             $srchinsel .= ' 
@@ -6307,7 +7142,18 @@ sub user_picker {
     if ($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'}) {
-	        $new_user_create = '<p> <input type="submit" name="forcenew" value="'.&HTML::Entities::encode(&mt('Make new user "[_1]"',$srchterm),'<>&"').'" onclick="javascript:setSearch(\'1\','.$caller.');" /> </p>';
+                if ($cancreate) {
+                    $new_user_create = '<p> <input type="submit" name="forcenew" value="'.&HTML::Entities::encode(&mt('Make new user "[_1]"',$srchterm),'<>&"').'" onclick="javascript:setSearch(\'1\','.$caller.');" /> </p>';
+                } else {
+                    my $helplink = 'javascript:helpMenu('."'display'".')';
+                    my %usertypetext = (
+                        official   => 'institutional',
+                        unofficial => 'non-institutional',
+                    );
+                    $new_user_create = '<p class="LC_warning">'.
+                                       &mt("You are not authorized to create new $usertypetext{$usertype} users in this domain.").' '.
+                                       &mt('Please contact the [_1]helpdesk[_2] for assistance.','<a href="'.$helplink.'">','</a>').'</p><br />';
+                }
             }
         }
 
@@ -6343,6 +7189,7 @@ ENDSCRIPT
 
     my $output = <<"END_BLOCK";
 <script type="text/javascript">
+// <![CDATA[
 function validateEntry(callingForm) {
 
     var checkok = 1;
@@ -6411,86 +7258,87 @@ 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;
 }
 
 sub user_rule_check {
-    my ($usershash,$checks,$alerts,$rulematch,$inst_results,$curr_rules) = @_;
+    my ($usershash,$checks,$alerts,$rulematch,$inst_results,$curr_rules,$got_rules) = @_;
     my $response;
     if (ref($usershash) eq 'HASH') {
-        my %got_rules;
         foreach my $user (keys(%{$usershash})) {
             my ($uname,$udom) = split(/:/,$user);
             next if ($udom eq '' || $uname eq '');
-            my ($userstatus,$id);
+            my ($id,$newuser);
             if (ref($usershash->{$user}) eq 'HASH') {
-                $userstatus = $usershash->{$user}->{'status'};
+                $newuser = $usershash->{$user}->{'newuser'};
                 $id = $usershash->{$user}->{'id'};
             }
             my $inst_response;
             if (ref($checks) eq 'HASH') {
                 if (defined($checks->{'username'})) {
-                    ($inst_response,%{$inst_results}) = 
+                    ($inst_response,%{$inst_results->{$user}}) = 
                         &Apache::lonnet::get_instuser($udom,$uname);
                 } elsif (defined($checks->{'id'})) {
-                    ($inst_response,%{$inst_results}) =
+                    ($inst_response,%{$inst_results->{$user}}) =
                         &Apache::lonnet::get_instuser($udom,undef,$id);
                 }
+            } else {
+                ($inst_response,%{$inst_results->{$user}}) =
+                    &Apache::lonnet::get_instuser($udom,$uname);
+                return;
             }
-            if (!$got_rules{$udom}) {
+            if (!$got_rules->{$udom}) {
                 my %domconfig = &Apache::lonnet::get_dom('configuration',
                                                   ['usercreation'],$udom);
                 if (ref($domconfig{'usercreation'}) eq 'HASH') {
-                    foreach my $item (keys(%{$checks})) {
+                    foreach my $item ('username','id') {
                         if (ref($domconfig{'usercreation'}{$item.'_rule'}) eq 'ARRAY') {
                             $$curr_rules{$udom}{$item} = 
                                 $domconfig{'usercreation'}{$item.'_rule'};
                         }
                     }
                 }
-                $got_rules{$udom} = 1;
+                $got_rules->{$udom} = 1;  
             }
             foreach my $item (keys(%{$checks})) {
                 if (ref($$curr_rules{$udom}) eq 'HASH') {
                     if (ref($$curr_rules{$udom}{$item}) eq 'ARRAY') {
                         if (@{$$curr_rules{$udom}{$item}} > 0) {
-                            my %rule_check;
                             my %rule_check = &Apache::lonnet::inst_rulecheck($udom,$uname,$id,$item,$$curr_rules{$udom}{$item});
                             foreach my $rule (@{$$curr_rules{$udom}{$item}}) {
                                 if ($rule_check{$rule}) {
                                     $$rulematch{$user}{$item} = $rule;
                                     if ($inst_response eq 'ok') {
-                                        if (keys(%{$inst_results}) == 0) {
-                                            if ($userstatus eq 'new') {
-                                                $$alerts{$user}{$item} = 1;
+                                        if (ref($inst_results) eq 'HASH') {
+                                            if (ref($inst_results->{$user}) eq 'HASH') {
+                                                if (keys(%{$inst_results->{$user}}) == 0) {
+                                                    $$alerts{$item}{$udom}{$uname} = 1;
+                                                }
                                             }
                                         }
-                                    }  
+                                    }
+                                    last;
                                 }
                             }
-                            last;
                         }
                     }
                 }
@@ -6528,7 +7376,7 @@ sub user_rule_formats {
 }
 
 sub instrule_disallow_msg {
-    my ($checkitem,$domdesc,$count) = @_;
+    my ($checkitem,$domdesc,$count,$mode) = @_;
     my $response;
     my %text = (
                   item   => 'username',
@@ -6549,25 +7397,166 @@ sub instrule_disallow_msg {
         $text{'items'} = 'IDs';
         $text{'item'} = 'ID';
         $text{'action'} = 'an ID';
-    }
-    $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 />';
-    if ($checkitem eq 'username') {
-        $response .= &mt("You must choose $text{'action'} with a different format --  $text{'one'} that will not conflict with 'official' institutional $text{'items'}.");
-    } elsif ($checkitem eq 'id') {
-       $response .= &mt("You must either choose $text{'action'} with a different format --  $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or leave this field blank.");
+        if ($count > 1) {
+            $text{'item'} = 'IDs';
+            $text{'action'} = 'IDs';
+        }
+    }
+    $response = &mt("The $text{'item'} you chose $text{'match'} the format of $text{'items'} defined for [_1], but the $text{'item'} $text{'do'} not exist in the institutional directory.",'<span class="LC_cusr_emph">'.$domdesc.'</span>').'<br />';
+    if ($mode eq 'upload') {
+        if ($checkitem eq 'username') {
+            $response .= &mt("You will need to modify your upload file so it will include $text{'action'} with a different format --  $text{'one'} that will not conflict with 'official' institutional $text{'items'}.");
+        } elsif ($checkitem eq 'id') {
+            $response .= &mt("Either upload a file which includes $text{'action'} with a different format --  $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or when associating fields with data columns, omit an association for the Student/Employee ID field.");
+        }
+    } elsif ($mode eq 'selfcreate') {
+        if ($checkitem eq 'id') {
+            $response .= &mt("You must either choose $text{'action'} with a different format --  $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or leave the ID field blank.");
+        }
+    } else {
+        if ($checkitem eq 'username') {
+            $response .= &mt("You must choose $text{'action'} with a different format --  $text{'one'} that will not conflict with 'official' institutional $text{'items'}.");
+        } elsif ($checkitem eq 'id') {
+            $response .= &mt("You must either choose $text{'action'} with a different format --  $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or leave the ID field blank.");
+        }
     }
     return $response;
 }
 
+sub personal_data_fieldtitles {
+    my %fieldtitles = &Apache::lonlocal::texthash (
+                        id => 'Student/Employee ID',
+                        permanentemail => 'E-mail address',
+                        lastname => 'Last Name',
+                        firstname => 'First Name',
+                        middlename => 'Middle Name',
+                        generation => 'Generation',
+                        gen => 'Generation',
+                        inststatus => 'Affiliation',
+                   );
+    return %fieldtitles;
+}
+
+sub sorted_inst_types {
+    my ($dom) = @_;
+    my ($usertypes,$order) = &Apache::lonnet::retrieve_inst_usertypes($dom);
+    my $othertitle = &mt('All users');
+    if ($env{'request.course.id'}) {
+        $othertitle  = &mt('Any users');
+    }
+    my @types;
+    if (ref($order) eq 'ARRAY') {
+        @types = @{$order};
+    }
+    if (@types == 0) {
+        if (ref($usertypes) eq 'HASH') {
+            @types = sort(keys(%{$usertypes}));
+        }
+    }
+    if (keys(%{$usertypes}) > 0) {
+        $othertitle = &mt('Other users');
+    }
+    return ($othertitle,$usertypes,\@types);
+}
+
+sub get_institutional_codes {
+    my ($settings,$allcourses,$LC_code) = @_;
+# Get complete list of course sections to update
+    my @currsections = ();
+    my @currxlists = ();
+    my $coursecode = $$settings{'internal.coursecode'};
+
+    if ($$settings{'internal.sectionnums'} ne '') {
+        @currsections = split(/,/,$$settings{'internal.sectionnums'});
+    }
+
+    if ($$settings{'internal.crosslistings'} ne '') {
+        @currxlists = split(/,/,$$settings{'internal.crosslistings'});
+    }
+
+    if (@currxlists > 0) {
+        foreach (@currxlists) {
+            if (m/^([^:]+):(\w*)$/) {
+                unless (grep/^$1$/,@{$allcourses}) {
+                    push @{$allcourses},$1;
+                    $$LC_code{$1} = $2;
+                }
+            }
+        }
+    }
+ 
+    if (@currsections > 0) {
+        foreach (@currsections) {
+            if (m/^(\w+):(\w*)$/) {
+                my $sec = $coursecode.$1;
+                my $lc_sec = $2;
+                unless (grep/^$sec$/,@{$allcourses}) {
+                    push @{$allcourses},$sec;
+                    $$LC_code{$sec} = $lc_sec;
+                }
+            }
+        }
+    }
+    return;
+}
+
 =pod
 
+=head1 Slot Helpers
+
+=over 4
+
+=item * sorted_slots()
+
+Sorts an array of slot names in order of slot start time (earliest first).
+
+Inputs:
+
+=over 4
+
+slotsarr  - Reference to array of unsorted slot names.
+
+slots     - Reference to hash of hash, where outer hash keys are slot names.
+
+=back
+
+Returns:
+
+=over 4
+
+sorted   - An array of slot names sorted by the start time of the slot.
+
 =back
 
+=back
+
+=cut
+
+
+sub sorted_slots {
+    my ($slotsarr,$slots) = @_;
+    my @sorted;
+    if ((ref($slotsarr) eq 'ARRAY') && (ref($slots) eq 'HASH')) {
+        @sorted =
+            sort {
+                     if (ref($slots->{$a}) && ref($slots->{$b})) {
+                         return $slots->{$a}{'starttime'} <=> $slots->{$b}{'starttime'}
+                     }
+                     if (ref($slots->{$a})) { return -1;}
+                     if (ref($slots->{$b})) { return 1;}
+                     return 0;
+                 } @{$slotsarr};
+    }
+    return @sorted;
+}
+
+=pod
+
 =head1 HTTP Helpers
 
 =over 4
 
-=item * get_unprocessed_cgi($query,$possible_names)
+=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),
@@ -6596,7 +7585,7 @@ sub get_unprocessed_cgi {
 
 =pod
 
-=item * cacheheader() 
+=item * &cacheheader() 
 
 returns cache-controlling header code
 
@@ -6613,7 +7602,7 @@ sub cacheheader {
 
 =pod
 
-=item * no_cache($r) 
+=item * &no_cache($r) 
 
 specifies header code to not have cache
 
@@ -6649,7 +7638,7 @@ 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
@@ -6676,7 +7665,7 @@ 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.
@@ -6699,6 +7688,232 @@ sub get_env_multiple {
     return(@values);
 }
 
+sub ask_for_embedded_content {
+    my ($actionurl,$state,$allfiles,$codebase,$args)=@_;
+    my $upload_output = '
+   <form name="upload_embedded" action="'.$actionurl.'"
+                  method="post" enctype="multipart/form-data">';
+    $upload_output .= $state;
+    $upload_output .= '<b>Upload embedded files</b>:<br />'.&start_data_table();
+
+    my $num = 0;
+    foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%{$allfiles})) {
+        $upload_output .= &start_data_table_row().
+            '<td>'.$embed_file.'</td><td>';
+        if ($args->{'ignore_remote_references'}
+            && $embed_file =~ m{^\w+://}) {
+            $upload_output.='<span class="LC_warning">'.&mt("URL points to other server.").'</span>';
+        } elsif ($args->{'error_on_invalid_names'}
+            && $embed_file ne &Apache::lonnet::clean_filename($embed_file,{'keep_path' => 1,})) {
+
+            $upload_output.='<span class="LC_warning">'.&mt("Invalid characters").'</span>';
+
+        } else {
+            $upload_output .='
+           <input name="embedded_item_'.$num.'" type="file" value="" />
+           <input name="embedded_orig_'.$num.'" type="hidden" value="'.&escape($embed_file).'" />';
+            my $attrib = join(':',@{$$allfiles{$embed_file}});
+            $upload_output .=
+                "\n\t\t".
+                '<input name="embedded_attrib_'.$num.'" type="hidden" value="'.
+                $attrib.'" />';
+            if (exists($$codebase{$embed_file})) {
+                $upload_output .=
+                    "\n\t\t".
+                    '<input name="codebase_'.$num.'" type="hidden" value="'.
+                    &escape($$codebase{$embed_file}).'" />';
+            }
+        }
+        $upload_output .= '</td>'.&Apache::loncommon::end_data_table_row();
+        $num++;
+    }
+    $upload_output .= &Apache::loncommon::end_data_table().'<br />
+   <input type ="hidden" name="number_embedded_items" value="'.$num.'" />
+   <input type ="submit" value="'.&mt('Upload Listed Files').'" />
+   '.&mt('(only files for which a location has been provided will be uploaded)').'
+   </form>';
+    return $upload_output;
+}
+
+sub upload_embedded {
+    my ($context,$dirpath,$uname,$udom,$dir_root,$url_root,$group,$disk_quota,
+        $current_disk_usage) = @_;
+    my $output;
+    for (my $i=0; $i<$env{'form.number_embedded_items'}; $i++) {
+        next if (!exists($env{'form.embedded_item_'.$i.'.filename'}));
+        my $orig_uploaded_filename =
+            $env{'form.embedded_item_'.$i.'.filename'};
+
+        $env{'form.embedded_orig_'.$i} =
+            &unescape($env{'form.embedded_orig_'.$i});
+        my ($path,$fname) =
+            ($env{'form.embedded_orig_'.$i} =~ m{(.*/)([^/]*)});
+        # no path, whole string is fname
+        if (!$fname) { $fname = $env{'form.embedded_orig_'.$i} };
+
+        $path = $env{'form.currentpath'}.$path;
+        $fname = &Apache::lonnet::clean_filename($fname);
+        # See if there is anything left
+        next if ($fname eq '');
+
+        # Check if file already exists as a file or directory.
+        my ($state,$msg);
+        if ($context eq 'portfolio') {
+            my $port_path = $dirpath;
+            if ($group ne '') {
+                $port_path = "groups/$group/$port_path";
+            }
+            ($state,$msg) = &check_for_upload($path,$fname,$group,'embedded_item_'.$i,
+                                              $dir_root,$port_path,$disk_quota,
+                                              $current_disk_usage,$uname,$udom);
+            if ($state eq 'will_exceed_quota'
+                || $state eq 'file_locked'
+                || $state eq 'file_exists' ) {
+                $output .= $msg;
+                next;
+            }
+        } elsif (($context eq 'author') || ($context eq 'testbank')) {
+            ($state,$msg) = &check_for_existing($path,$fname,'embedded_item_'.$i);
+            if ($state eq 'exists') {
+                $output .= $msg;
+                next;
+            }
+        }
+        # Check if extension is valid
+        if (($fname =~ /\.(\w+)$/) &&
+            (&Apache::loncommon::fileembstyle($1) eq 'hdn')) {
+            $output .= &mt('Invalid file extension ([_1]) - reserved for LONCAPA use - rename the file with a different extension and re-upload. ',$1);
+            next;
+        } elsif (($fname =~ /\.(\w+)$/) &&
+                 (!defined(&Apache::loncommon::fileembstyle($1)))) {
+            $output .= &mt('Unrecognized file extension ([_1]) - rename the file with a proper extension and re-upload.',$1);
+            next;
+        } elsif ($fname=~/\.(\d+)\.(\w+)$/) {
+            $output .= &mt('File name not allowed - rename the file to remove the number immediately before the file extension([_1]) and re-upload.',$2);
+            next;
+        }
+
+        $env{'form.embedded_item_'.$i.'.filename'}=$fname;
+        if ($context eq 'portfolio') {
+            my $result=
+                &Apache::lonnet::userfileupload('embedded_item_'.$i,'',
+                                                $dirpath.$path);
+            if ($result !~ m|^/uploaded/|) {
+                $output .= '<span class="LC_error">'
+                      .&mt('An error occurred ([_1]) while trying to upload [_2] for embedded element [_3].'
+                           ,$result,$orig_uploaded_filename,$env{'form.embedded_orig_'.$i})
+                      .'</span><br />';
+                next;
+            } else {
+                $output .= '<p>'.&mt('Uploaded [_1]','<span class="LC_filename">'.
+                           $path.$fname.'</span>').'</p>';     
+            }
+        } else {
+# Save the file
+            my $target = $env{'form.embedded_item_'.$i};
+            my $fullpath = $dir_root.$dirpath.'/'.$path;
+            my $dest = $fullpath.$fname;
+            my $url = $url_root.$dirpath.'/'.$path.$fname;
+            my @parts=split(/\//,$fullpath);
+            my $count;
+            my $filepath = $dir_root;
+            for ($count=4;$count<=$#parts;$count++) {
+                $filepath .= "/$parts[$count]";
+                if ((-e $filepath)!=1) {
+                    mkdir($filepath,0770);
+                }
+            }
+            my $fh;
+            if (!open($fh,'>'.$dest)) {
+                &Apache::lonnet::logthis('Failed to create '.$dest);
+                $output .= '<span class="LC_error">'.
+                           &mt('An error occurred while trying to upload [_1] for embedded element [_2].',$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}).
+                           '</span><br />';
+            } else {
+                if (!print $fh $env{'form.embedded_item_'.$i}) {
+                    &Apache::lonnet::logthis('Failed to write to '.$dest);
+                    $output .= '<span class="LC_error">'.
+                              &mt('An error occurred while writing the file [_1] for embedded element [_2].',$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}).
+                              '</span><br />';
+                } else {
+                    if ($context eq 'testbank') {
+                        $output .= &mt('Embedded file uploaded successfully:').
+                                   '&nbsp;<a href="'.$url.'">'.
+                                   $orig_uploaded_filename.'</a><br />';
+                    } else {
+                        $output .= '<font size="+2">'.
+                                   &mt('View embedded file: [_1]','<a href="'.$url.'">'.
+                                   $orig_uploaded_filename.'</a>').'</font><br />';
+                    }
+                }
+                close($fh);
+            }
+        }
+    }
+    return $output;
+}
+
+sub check_for_existing {
+    my ($path,$fname,$element) = @_;
+    my ($state,$msg);
+    if (-d $path.'/'.$fname) {
+        $state = 'exists';
+        $msg = &mt('Unable to upload [_1]. A directory by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$path);
+    } elsif (-e $path.'/'.$fname) {
+        $state = 'exists';
+        $msg = &mt('Unable to upload [_1]. A file by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$path);
+    }
+    if ($state eq 'exists') {
+        $msg = '<span class="LC_error">'.$msg.'</span><br />';
+    }
+    return ($state,$msg);
+}
+
+sub check_for_upload {
+    my ($path,$fname,$group,$element,$portfolio_root,$port_path,
+        $disk_quota,$current_disk_usage,$uname,$udom) = @_;
+    my $filesize = (length($env{'form.'.$element})) / 1000; #express in k (1024?)
+    my $getpropath = 1;
+    my @dir_list = &Apache::lonnet::dirlist($portfolio_root.$path,$udom,$uname,
+                                            $getpropath);
+    my $found_file = 0;
+    my $locked_file = 0;
+    foreach my $line (@dir_list) {
+        my ($file_name)=split(/\&/,$line,2);
+        if ($file_name eq $fname){
+            $file_name = $path.$file_name;
+            if ($group ne '') {
+                $file_name = $group.$file_name;
+            }
+            $found_file = 1;
+            if (&Apache::lonnet::is_locked($file_name,$udom,$uname) eq 'true') {
+                $locked_file = 1;
+            }
+        }
+    }
+    if (($current_disk_usage + $filesize) > $disk_quota){
+        my $msg = '<span class="LC_error">'.
+                &mt('Unable to upload [_1]. (size = [_2] kilobytes). Disk quota will be exceeded.','<span class="LC_filename">'.$fname.'</span>',$filesize).'</span>'.
+                  '<br />'.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.',$disk_quota,$current_disk_usage);
+        return ('will_exceed_quota',$msg);
+    } elsif ($found_file) {
+        if ($locked_file) {
+            my $msg = '<span class="LC_error">';
+            $msg .= &mt('Unable to upload [_1]. A locked file by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>','<span class="LC_filename">'.$port_path.$env{'form.currentpath'}.'</span>');
+            $msg .= '</span><br />';
+            $msg .= &mt('You will be able to rename or delete existing [_1] after a grade has been assigned.','<span class="LC_filename">'.$fname.'</span>');
+            return ('file_locked',$msg);
+        } else {
+            my $msg = '<span class="LC_error">';
+            $msg .= &mt('Unable to upload [_1]. A file by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$port_path.$env{'form.currentpath'});
+            $msg .= '</span>';
+            $msg .= '<br />';
+            $msg .= &mt('To upload, rename or delete existing [_1] in [_2].','<span class="LC_filename">'.$fname.'</span>', $port_path.$env{'form.currentpath'});
+            return ('file_exists',$msg);
+        }
+    }
+}
+
 
 =pod
 
@@ -6708,7 +7923,7 @@ 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'}
@@ -6738,7 +7953,7 @@ 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'},
@@ -6762,7 +7977,7 @@ sub load_tmp_file {
 
 =pod
 
-=item * upfile_record_sep()
+=item * &upfile_record_sep()
 
 Separate uploaded file into records
 returns array of records,
@@ -6784,7 +7999,7 @@ 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'}
 
@@ -6869,7 +8084,7 @@ 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.
@@ -6887,7 +8102,7 @@ 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";
     }
@@ -6916,7 +8131,7 @@ 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
@@ -6928,12 +8143,13 @@ 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());
@@ -6952,7 +8168,7 @@ 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.
 
@@ -6975,15 +8191,15 @@ 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++;
@@ -6998,7 +8214,7 @@ 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.
 
@@ -7014,7 +8230,8 @@ sub csv_samples_select_table {
     my ($r,$records,$d) = @_;
     my $i=0;
     #
-    my $samples = &get_samples($records,3);
+    my $max_samples = 5;
+    my $samples = &get_samples($records,$max_samples);
     $r->print(&start_data_table().
               &start_data_table_header_row().'<th>'.
               &mt('Field').'</th><th>'.&mt('Samples').'</th>'.
@@ -7030,7 +8247,7 @@ sub csv_samples_select_table {
                       $display.'</option>');
 	}
 	$r->print('</select></td><td>');
-	foreach my $line (0..2) {
+	foreach my $line (0..($max_samples-1)) {
 	    if (defined($samples->[$line]{$key})) { 
 		$r->print($samples->[$line]{$key}."<br />\n"); 
 	    }
@@ -7048,7 +8265,7 @@ 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.
 
@@ -7067,7 +8284,7 @@ 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
 
@@ -7108,7 +8325,7 @@ sub check_if_partid_hidden {
 
 =over 4
 
-=item get_cgi_id
+=item * &get_cgi_id()
 
 Inputs: none
 
@@ -7132,7 +8349,7 @@ 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 
@@ -7267,7 +8484,7 @@ sub DrawBarGraph {
         $ValuesHash{$id.'.'.$key} = $value;
     }
     #
-    &Apache::lonnet::appenv(%ValuesHash);
+    &Apache::lonnet::appenv(\%ValuesHash);
     return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
 }
 
@@ -7276,7 +8493,7 @@ 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 
@@ -7357,7 +8574,7 @@ sub DrawXYGraph {
         $ValuesHash{$id.'.'.$key} = $value;
     }
     #
-    &Apache::lonnet::appenv(%ValuesHash);
+    &Apache::lonnet::appenv(\%ValuesHash);
     return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
 }
 
@@ -7366,7 +8583,7 @@ 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 
@@ -7459,7 +8676,7 @@ sub DrawXYYGraph {
         $ValuesHash{$id.'.'.$key} = $value;
     }
     #
-    &Apache::lonnet::appenv(%ValuesHash);
+    &Apache::lonnet::appenv(\%ValuesHash);
     return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
 }
 
@@ -7476,7 +8693,7 @@ Bad place for them but what the hell.
 
 =over 4
 
-=item &chartlink
+=item * &chartlink()
 
 Returns a link to the chart for a specific student.  
 
@@ -7515,9 +8732,9 @@ 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.
@@ -7537,6 +8754,8 @@ a hash ref describing the data to be sto
 
 Returns: both routines return nothing
 
+=back
+
 =cut
 
 #######################################################
@@ -7589,7 +8808,7 @@ 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;
 }
 
@@ -7617,16 +8836,447 @@ sub restore_settings {
     }
 }
 
+#######################################################
+#######################################################
+
+=pod
+
+=head1 Domain E-mail Routines  
+
+=over 4
+
+=item * &build_recipient_list()
+
+Build recipient lists for five types of e-mail:
+(a) Error Reports, (b) Package Updates, (c) lonstatus warnings/errors
+(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), 
+mailing type (scalar - errormail, packagesmail, or helpdeskmail), 
+defdom (domain for which to retrieve configuration settings),
+origmail (scalar - email address of recipient from loncapa.conf, 
+i.e., predates configuration by DC via domainprefs.pm 
+
+Returns: comma separated list of addresses to which to send e-mail.
+
+=back
+
+=cut
+
 ############################################################
 ############################################################
+sub build_recipient_list {
+    my ($defmail,$mailing,$defdom,$origmail) = @_;
+    my @recipients;
+    my $otheremails;
+    my %domconfig =
+         &Apache::lonnet::get_dom('configuration',['contacts'],$defdom);
+    if (ref($domconfig{'contacts'}) eq 'HASH') {
+        if (exists($domconfig{'contacts'}{$mailing})) {
+            if (ref($domconfig{'contacts'}{$mailing}) eq 'HASH') {
+                my @contacts = ('adminemail','supportemail');
+                foreach my $item (@contacts) {
+                    if ($domconfig{'contacts'}{$mailing}{$item}) {
+                        my $addr = $domconfig{'contacts'}{$item};
+                        if (!grep(/^\Q$addr\E$/,@recipients)) {
+                            push(@recipients,$addr);
+                        }
+                    }
+                    $otheremails = $domconfig{'contacts'}{$mailing}{'others'};
+                }
+            }
+        } elsif ($origmail ne '') {
+            push(@recipients,$origmail);
+        }
+    } elsif ($origmail ne '') {
+        push(@recipients,$origmail);
+    }
+    if (defined($defmail)) {
+        if ($defmail ne '') {
+            push(@recipients,$defmail);
+        }
+    }
+    if ($otheremails) {
+        my @others;
+        if ($otheremails =~ /,/) {
+            @others = split(/,/,$otheremails);
+        } else {
+            push(@others,$otheremails);
+        }
+        foreach my $addr (@others) {
+            if (!grep(/^\Q$addr\E$/,@recipients)) {
+                push(@recipients,$addr);
+            }
+        }
+    }
+    my $recipientlist = join(',',@recipients); 
+    return $recipientlist;
+}
+
+############################################################
+############################################################
+
+=pod
+
+=head1 Course Catalog Routines
+
+=over 4
+
+=item * &gather_categories()
+
+Converts category definitions - keys of categories hash stored in  
+coursecategories in configuration.db on the primary library server in a 
+domain - to an array.  Also generates javascript and idx hash used to 
+generate Domain Coordinator interface for editing Course Categories.
+
+Inputs:
+
+categories (reference to hash of category definitions).
+
+cats (reference to array of arrays/hashes which encapsulates hierarchy of
+      categories and subcategories).
+
+idx (reference to hash of counters used in Domain Coordinator interface for 
+      editing Course Categories).
+
+jsarray (reference to array of categories used to create Javascript arrays for
+         Domain Coordinator interface for editing Course Categories).
+
+Returns: nothing
+
+Side effects: populates cats, idx and jsarray. 
+
+=cut
+
+sub gather_categories {
+    my ($categories,$cats,$idx,$jsarray) = @_;
+    my %counters;
+    my $num = 0;
+    foreach my $item (keys(%{$categories})) {
+        my ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$item);
+        if ($container eq '' && $depth == 0) {
+            $cats->[$depth][$categories->{$item}] = $cat;
+        } else {
+            $cats->[$depth]{$container}[$categories->{$item}] = $cat;
+        }
+        my ($escitem,$tail) = split(/:/,$item,2);
+        if ($counters{$tail} eq '') {
+            $counters{$tail} = $num;
+            $num ++;
+        }
+        if (ref($idx) eq 'HASH') {
+            $idx->{$item} = $counters{$tail};
+        }
+        if (ref($jsarray) eq 'ARRAY') {
+            push(@{$jsarray->[$counters{$tail}]},$item);
+        }
+    }
+    return;
+}
+
+=pod
+
+=item * &extract_categories()
+
+Used to generate breadcrumb trails for course categories.
+
+Inputs:
+
+categories (reference to hash of category definitions).
+
+cats (reference to array of arrays/hashes which encapsulates hierarchy of
+      categories and subcategories).
+
+trails (reference to array of breacrumb trails for each category).
+
+allitems (reference to hash - key is category key 
+         (format: escaped(name):escaped(parent category):depth in hierarchy).
+
+idx (reference to hash of counters used in Domain Coordinator interface for
+      editing Course Categories).
+
+jsarray (reference to array of categories used to create Javascript arrays for
+         Domain Coordinator interface for editing Course Categories).
+
+subcats (reference to hash of arrays containing all subcategories within each 
+         category, -recursive)
+
+Returns: nothing
+
+Side effects: populates trails and allitems hash references.
+
+=cut
+
+sub extract_categories {
+    my ($categories,$cats,$trails,$allitems,$idx,$jsarray,$subcats) = @_;
+    if (ref($categories) eq 'HASH') {
+        &gather_categories($categories,$cats,$idx,$jsarray);
+        if (ref($cats->[0]) eq 'ARRAY') {
+            for (my $i=0; $i<@{$cats->[0]}; $i++) {
+                my $name = $cats->[0][$i];
+                my $item = &escape($name).'::0';
+                my $trailstr;
+                if ($name eq 'instcode') {
+                    $trailstr = &mt('Official courses (with institutional codes)');
+                } elsif ($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 $output = &mt('Assigning custom role').' "'.$five.'" by '.$four.'@'.$three.' in '.$url.
+    my ($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;
 }
@@ -7643,8 +9293,8 @@ sub commit_standardrole {
         my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$three,$start,$end,
                                          $one,$two,$sec,$context);
         if (($result =~ /^error/) || ($result eq 'not_in_class') || 
-            ($result eq 'unknown_course')) {
-            $output = "Error: $result\n"; 
+            ($result eq 'unknown_course') || ($result eq 'refused')) {
+            $output = $logmsg.' '.&mt('Error: ').$result."\n"; 
         } else {
             $output = $logmsg.$linefeed.&mt('Assigning').' '.$three.' in '.$url.
                ($start?', '.&mt('starting').' '.localtime($start):'').
@@ -7661,7 +9311,7 @@ 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 {
@@ -7673,7 +9323,7 @@ sub commit_standardrole {
 
 sub commit_studentrole {
     my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
-    my ($result,$linefeed);
+    my ($result,$linefeed,$oldsecurl,$newsecurl);
     if ($context eq 'auto') {
         $linefeed = "\n";
     } else {
@@ -7685,37 +9335,92 @@ sub commit_studentrole {
         my $secchange = 0;
         my $expire_role_result;
         my $modify_section_result;
-        unless ($oldsec eq '-1') {
-            unless ($sec eq $oldsec) {
+        if ($oldsec ne '-1') { 
+            if ($oldsec ne $sec) {
                 $secchange = 1;
+                my $now = time;
                 my $uurl='/'.$cid;
                 $uurl=~s/\_/\//g;
                 if ($oldsec) {
                     $uurl.='/'.$oldsec;
                 }
-                $expire_role_result = &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',time);
+                $oldsecurl = $uurl;
+                $expire_role_result = 
+                    &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',$now,'','',$context);
+                if ($env{'request.course.sec'} ne '') { 
+                    if ($expire_role_result eq 'refused') {
+                        my @roles = ('st');
+                        my @statuses = ('previous');
+                        my @roledoms = ($one);
+                        my $withsec = 1;
+                        my %roleshash = 
+                            &Apache::lonnet::get_my_roles($uname,$udom,'userroles',
+                                              \@statuses,\@roles,\@roledoms,$withsec);
+                        if (defined ($roleshash{$two.':'.$one.':st:'.$oldsec})) {
+                            my ($oldstart,$oldend) = 
+                                split(':',$roleshash{$two.':'.$one.':st:'.$oldsec});
+                            if ($oldend > 0 && $oldend <= $now) {
+                                $expire_role_result = 'ok';
+                            }
+                        }
+                    }
+                }
                 $result = $expire_role_result;
             }
         }
         if (($expire_role_result eq 'ok') || ($secchange == 0)) {
-            $modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid);
+            $modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid,'',$context);
             if ($modify_section_result =~ /^ok/) {
                 if ($secchange == 1) {
-                    $$logmsg .= "Section for $uname switched from old section: $oldsec to new section: $sec".$linefeed;
+                    if ($sec eq '') {
+                        $$logmsg .= &mt('Section for [_1] switched from (possibly expired) old section: [_2] to student role without a section.',$uname,$oldsec).$linefeed;
+                    } else {
+                        $$logmsg .= &mt('Section for [_1] switched from (possibly expired) old section: [_2] to new section: [_3].',$uname,$oldsec,$sec).$linefeed;
+                    }
                 } elsif ($oldsec eq '-1') {
-                    $$logmsg .= "New student role for $uname in section $sec in course $cid".$linefeed;
+                    if ($sec eq '') {
+                        $$logmsg .= &mt('New student role without a section for [_1] in course [_2].',$uname,$cid).$linefeed;
+                    } else {
+                        $$logmsg .= &mt('New student role for [_1] in section [_2] in course [_3].',$uname,$sec,$cid).$linefeed;
+                    }
                 } else {
-                    $$logmsg .= "Student $uname assigned to unchanged section $sec in course $cid".$linefeed;
+                    if ($sec eq '') {
+                        $$logmsg .= &mt('Student [_1] assigned to course [_2] without a section.',$uname,$cid).$linefeed;
+                    } else {
+                        $$logmsg .= &mt('Student [_1] assigned to section [_2] in course [_3].',$uname,$sec,$cid).$linefeed;
+                    }
                 }
             } else {
-                $$logmsg .= "Error when attempting section change for $uname from old section $oldsec to new section: $sec in course $cid -error: $modify_section_result".$linefeed;
+                if ($secchange) {       
+                    $$logmsg .= &mt('Error when attempting section change for [_1] from old section "[_2]" to new section: "[_3]" in course [_4] -error:',$uname,$oldsec,$sec,$cid).' '.$modify_section_result.$linefeed;
+                } else {
+                    $$logmsg .= &mt('Error when attempting to modify role for [_1] for section: "[_2]" in course [_3] -error:',$uname,$sec,$cid).' '.$modify_section_result.$linefeed;
+                }
             }
             $result = $modify_section_result;
         } elsif ($secchange == 1) {
-            $$logmsg .= "Error when attempting to expire role for $uname in old section $oldsec in course $cid -error: $expire_role_result".$linefeed;
+            if ($oldsec eq '') {
+                $$logmsg .= &mt('Error when attempting to expire existing role without a section for [_1] in course [_3] -error: ',$uname,$cid).' '.$expire_role_result.$linefeed;
+            } else {
+                $$logmsg .= &mt('Error when attempting to expire existing role for [_1] in section [_2] in course [_3] -error: ',$uname,$oldsec,$cid).' '.$expire_role_result.$linefeed;
+            }
+            if ($expire_role_result eq 'refused') {
+                my $newsecurl = '/'.$cid;
+                $newsecurl =~ s/\_/\//g;
+                if ($sec ne '') {
+                    $newsecurl.='/'.$sec;
+                }
+                if (&Apache::lonnet::allowed('cst',$newsecurl) && !(&Apache::lonnet::allowed('cst',$oldsecurl))) {
+                    if ($sec eq '') {
+                        $$logmsg .= &mt('Although your current role has privileges to add students to section "[_1]", you do not have privileges to modify existing enrollments unaffiliated with any section.',$sec).$linefeed;
+                    } else {
+                        $$logmsg .= &mt('Although your current role has privileges to add students to section "[_1]", you do not have privileges to modify existing enrollments in other sections.',$sec).$linefeed;
+                    }
+                }
+            }
         }
     } else {
-        $$logmsg .= "Incomplete course id defined.  Addition of user $uname from domain $udom to course $one\_$two, section $sec not completed.$linefeed";
+        $$logmsg .= &mt('Incomplete course id defined.').$linefeed.&mt('Addition of user [_1] from domain [_2] to course [_3], section [_4] not completed.',$uname,$udom,$one.'_'.$two,$sec).$linefeed;
         $result = "error: incomplete course id\n";
     }
     return $result;
@@ -7731,40 +9436,64 @@ sub check_clone {
     my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
     my $clonemsg;
     my $can_clone = 0;
-
+    my $lctype = lc($args->{'type'});
+    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->{'type'} 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'}) {
-	    $can_clone = 1;
-	} else {
-	    my %clonehash = &Apache::lonnet::get('environment',['cloners'],
-						 $args->{'clonedomain'},$args->{'clonecourse'});
-	    my @cloners = split(/,/,$clonehash{'cloners'});
+        if ($args->{'type'} 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'],
+                                                 $args->{'clonedomain'},$args->{'clonecourse'});
+            my @cloners = split(/,/,$clonehash{'cloners'});
             if (grep(/^\*$/,@cloners)) {
                 $can_clone = 1;
             } elsif (grep(/^\*\:\Q$args->{'ccdomain'}\E$/,@cloners)) {
                 $can_clone = 1;
             } else {
-	        my %roleshash =
-		    &Apache::lonnet::get_my_roles($args->{'ccuname'},
-					 $args->{'ccdomain'},
-                                         'userroles',['active'],['cc'],
-					 [$args->{'clonedomain'}]);
-	        if (($roleshash{$args->{'clonecourse'}.':'.$args->{'clonedomain'}.':cc'}) || (grep(/^\Q$args->{'ccuname'}\E:\Q$args->{'ccdomain'}\E$/,@cloners))) {
-		    $can_clone = 1;
-	        } else {
-                    $clonemsg = &mt('No new course created.').$linefeed.&mt('The new course could not be cloned from the existing course because the new course owner ([_1]) does not have cloning rights in the existing course ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'});
-	        }
-	    }
+                my $ccrole = 'cc';
+                if ($args->{'type'} eq 'Community') {
+                    $ccrole = 'co';
+                }
+                my %roleshash =
+                    &Apache::lonnet::get_my_roles($args->{'ccuname'},
+                                         $args->{'ccdomain'},
+                                         'userroles',['active'],[$ccrole],
+                                         [$args->{'clonedomain'}]);
+                if (($roleshash{$args->{'clonecourse'}.':'.$args->{'clonedomain'}.':'.$ccrole}) || (grep(/^\Q$args->{'ccuname'}\E:\Q$args->{'ccdomain'}\E$/,@cloners))) {
+                    $can_clone = 1;
+                } elsif (&Apache::lonnet::is_course_owner($args->{'clonedomain'},$args->{'clonecourse'},$args->{'ccuname'},$args->{'ccdomain'})) {
+                    $can_clone = 1;
+                } else {
+                    if ($args->{'type'} 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'},$clonedesc{'description'});
+                    }
+                }
+            }
         }
     }
     return ($can_clone, $clonemsg, $cloneid, $clonehome);
 }
 
 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') {
@@ -7802,7 +9531,9 @@ 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
@@ -7827,19 +9558,28 @@ 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 grading mode
-	if (defined($oldcenv{'grading'})) {
-	    $cenv{'grading'}=$oldcenv{'grading'};
-	}
 # Mark as cloned
 	$cenv{'clonedfrom'}=$cloneid;
-	delete($cenv{'default_enrollment_start_date'});
-	delete($cenv{'default_enrollment_end_date'});
+# Need to clone grading mode
+        my %newenv=&Apache::lonnet::get('environment',['grading'],$$crsudom,$$crsunum);
+        $cenv{'grading'}=$newenv{'grading'};
+# Do not clone these environment entries
+        &Apache::lonnet::del('environment',
+                  ['default_enrollment_start_date',
+                   'default_enrollment_end_date',
+                   'question.email',
+                   'policy.email',
+                   'comment.email',
+                   'pch.users.denied',
+                   'plc.users.denied',
+                   'hidefromcat',
+                   'categories'],
+                   $$crsudom,$$crsunum);
     }
 
 #
@@ -7867,7 +9607,6 @@ 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'}) {
         $cenv{'internal.sectionnums'} = '';
@@ -7927,7 +9666,7 @@ sub construct_course {
     }
     if ($args->{'notify_dc'}) {
         if ($uname ne '') { 
-            push(@notified,$uname.'@'.$udom);
+            push(@notified,$uname.':'.$udom);
         }
     }
     if (@notified > 0) {
@@ -8067,10 +9806,10 @@ sub construct_course {
         $outcome .= ($fatal?$errtext:'read ok').' - ';
         my $title; my $url;
         if ($args->{'firstres'} eq 'syl') {
-	    $title='Syllabus';
+	    $title=&mt('Syllabus');
             $url='/public/'.$$crsudom.'/'.$$crsunum.'/syllabus';
         } else {
-            $title='Navigate Contents';
+            $title=&mt('Navigate Contents');
             $url='/adm/navmaps';
         }
 
@@ -8102,12 +9841,22 @@ sub course_type {
 sub group_term {
     my $crstype = &course_type();
     my %names = (
-                  'Course' => 'group',
-                  'Group' => 'team',
+                  'Course'    => 'group',
+                  '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]);
@@ -8124,28 +9873,14 @@ sub icon {
     return &lonhttpdurl($iconname);
 } 
 
-sub lonhttpd_port {
-    my $lonhttpd_port=$Apache::lonnet::perlvar{'lonhttpdPort'};
-    if (!defined($lonhttpd_port)) { $lonhttpd_port='8080'; }
-    # IE doesn't like a secure page getting images from a non-secure
-    # port (when logging we haven't parsed the browser type so default
-    # back to secure
-    if ((!exists($env{'browser.type'}) || $env{'browser.type'} eq 'explorer')
-	&& $ENV{'SERVER_PORT'} == 443) {
-	return 443;
-    }
-    return $lonhttpd_port;
-
-}
-
 sub lonhttpdurl {
+#
+# Had been used for "small fry" static images on separate port 8080.
+# Modify here if lightweight http functionality desired again.
+# Currently eliminated due to increasing firewall issues.
+#
     my ($url)=@_;
-
-    my $lonhttpd_port = &lonhttpd_port();
-    if ($lonhttpd_port == 443) {
-	return 'https://'.$ENV{'SERVER_NAME'}.$url;
-    }
-    return 'http://'.$ENV{'SERVER_NAME'}.':'.$lonhttpd_port.$url;
+    return $url;
 }
 
 sub connection_aborted {
@@ -8181,6 +9916,22 @@ sub escape_url {
     return join('/',@urlslices).'/'.$lastitem;
 }
 
+sub compare_arrays {
+    my ($arrayref1,$arrayref2) = @_;
+    my (@difference,%count);
+    @difference = ();
+    %count = ();
+    if ((ref($arrayref1) eq 'ARRAY') && (ref($arrayref2) eq 'ARRAY')) {
+        foreach my $element (@{$arrayref1}, @{$arrayref2}) { $count{$element}++; }
+        foreach my $element (keys(%count)) {
+            if ($count{$element} == 1) {
+                push(@difference,$element);
+            }
+        }
+    }
+    return @difference;
+}
+
 # -------------------------------------------------------- Initliaze user login
 sub init_user_environment {
     my ($r, $username, $domain, $authhost, $form, $args) = @_;
@@ -8223,7 +9974,7 @@ sub init_user_environment {
 	}
 # Give them a new cookie
 	my $id = ($args->{'robot'} ? 'robot'.$args->{'robot'}
-		                   : $now);
+		                   : $now.$$.int(rand(10000)));
 	$cookie="$username\_$id\_$domain\_$authhost";
     
 # Initialize roles
@@ -8311,6 +10062,17 @@ sub init_user_environment {
 	    }
 	}
 
+        foreach my $tool ('aboutme','blog','portfolio') {
+            $userenv{'availabletools.'.$tool} =
+                &Apache::lonnet::usertools_access($username,$domain,$tool,'reload');
+        }
+
+        foreach my $crstype ('official','unofficial','community') {
+            $userenv{'canrequest.'.$crstype} =
+                &Apache::lonnet::usertools_access($username,$domain,$crstype,
+                                                  'reload','requestcourses');
+        }
+
 	$env{'user.environment'} = "$lonids/$cookie.id";
 	
 	if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id",
@@ -8338,12 +10100,54 @@ sub init_user_environment {
 
 sub _add_to_env {
     my ($idf,$env_data,$prefix) = @_;
-    while (my ($key,$value) = each(%$env_data)) {
-	$idf->{$prefix.$key} = $value;
-	$env{$prefix.$key}   = $value;
+    if (ref($env_data) eq 'HASH') {
+        while (my ($key,$value) = each(%$env_data)) {
+	    $idf->{$prefix.$key} = $value;
+	    $env{$prefix.$key}   = $value;
+        }
     }
 }
 
+# --- Get the symbolic name of a problem and the url
+sub get_symb {
+    my ($request,$silent) = @_;
+    (my $url=$env{'form.url'}) =~ s-^https?\://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
+    my $symb=($env{'form.symb'} ne '' ? $env{'form.symb'} : (&Apache::lonnet::symbread($url)));
+    if ($symb eq '') {
+        if (!$silent) {
+            $request->print("Unable to handle ambiguous references:$url:.");
+            return ();
+        }
+    }
+    &Apache::lonenc::check_decrypt(\$symb);
+    return ($symb);
+}
+
+# --------------------------------------------------------------Get annotation
+
+sub get_annotation {
+    my ($symb,$enc) = @_;
+
+    my $key = $symb;
+    if (!$enc) {
+        $key =
+            &Apache::lonnet::clutter((&Apache::lonnet::decode_symb($symb))[2]);
+    }
+    my %annotation=&Apache::lonnet::get('nohist_annotations',[$key]);
+    return $annotation{$key};
+}
+
+sub clean_symb {
+    my ($symb,$delete_enc) = @_;
+
+    &Apache::lonenc::check_decrypt(\$symb);
+    my $enc = $env{'request.enc'};
+    if ($delete_enc) {
+        delete($env{'request.enc'});
+    }
+
+    return ($symb,$enc);
+}
 
 =pod