--- loncom/interface/loncommon.pm	2008/12/08 22:43:52	1.711
+++ loncom/interface/loncommon.pm	2013/11/26 01:19:15	1.1160
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.711 2008/12/08 22:43:52 raeburn Exp $
+# $Id: loncommon.pm,v 1.1160 2013/11/26 01:19:15 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -67,9 +67,14 @@ use Apache::lonhtmlcommon();
 use Apache::loncoursedata();
 use Apache::lontexconvert();
 use Apache::lonclonecourse();
+use Apache::lonuserutils();
+use Apache::lonuserstate();
 use LONCAPA qw(:DEFAULT :match);
 use DateTime::TimeZone;
 use DateTime::Locale::Catalog;
+use Text::Aspell;
+use Authen::Captcha;
+use Captcha::reCAPTCHA;
 
 # ---------------------------------------------- Designs
 use vars qw(%defaultdesign);
@@ -154,6 +159,9 @@ sub ssi_with_retries {
 # ----------------------------------------------- Filetypes/Languages/Copyright
 my %language;
 my %supported_language;
+my %supported_codes;
+my %latex_language;		# For choosing hyphenation in <transl..>
+my %latex_language_bykey;	# for choosing hyphenation from metadata
 my %cprtag;
 my %scprtag;
 my %fe; my %fd; my %fm;
@@ -186,11 +194,16 @@ BEGIN {
             while (my $line = <$fh>) {
                 next if ($line=~/^\#/);
                 chomp($line);
-                my ($key,$two,$country,$three,$enc,$val,$sup)=(split(/\t/,$line));
+                my ($key,$code,$country,$three,$enc,$val,$sup,$latex)=(split(/\t/,$line));
                 $language{$key}=$val.' - '.$enc;
                 if ($sup) {
                     $supported_language{$key}=$sup;
+		    $supported_codes{$key}   = $code;
                 }
+		if ($latex) {
+		    $latex_language_bykey{$key} = $latex;
+		    $latex_language{$code} = $latex;
+		}
             }
             close($fh);
         }
@@ -406,9 +419,10 @@ 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,clicker,roleflag,ignorefilter,courseadvonly) {
         var url = '/adm/pickstudent?';
         var filter;
 	if (!ignorefilter) {
@@ -420,39 +434,85 @@ sub studentbrowser_javascript {
 	   }
         }
         url += 'form=' + formname + '&unameelement='+uname+
-                                    '&udomelement='+udom;
+                                    '&udomelement='+udom+
+                                    '&clicker='+clicker;
 	if (roleflag) { url+="&roles=1"; }
+        if (courseadvonly) { url+="&courseadvonly=1"; }
         var title = 'Student_Browser';
         var options = 'scrollbars=1,resizable=1,menubar=0';
         options += ',width=700,height=600';
         stdeditbrowser = open(url,title,options,'1');
         stdeditbrowser.focus();
     }
+// ]]>
 </script>
 ENDSTDBRW
 }
 
+sub resourcebrowser_javascript {
+   unless ($env{'request.course.id'}) { return ''; }
+   return (<<'ENDRESBRW');
+<script type="text/javascript" language="Javascript">
+// <![CDATA[
+    var reseditbrowser;
+    function openresbrowser(formname,reslink) {
+        var url = '/adm/pickresource?form='+formname+'&reslink='+reslink;
+        var title = 'Resource_Browser';
+        var options = 'scrollbars=1,resizable=1,menubar=0';
+        options += ',width=700,height=500';
+        reseditbrowser = open(url,title,options,'1');
+        reseditbrowser.focus();
+    }
+// ]]>
+</script>
+ENDRESBRW
+}
+
 sub selectstudent_link {
-   my ($form,$unameele,$udomele)=@_;
+   my ($form,$unameele,$udomele,$courseadvonly,$clickerid)=@_;
+   my $callargs = "'".&Apache::lonhtmlcommon::entity_encode($form)."','".
+                      &Apache::lonhtmlcommon::entity_encode($unameele)."','".
+                      &Apache::lonhtmlcommon::entity_encode($udomele)."'";
    if ($env{'request.course.id'}) {  
        if (!&Apache::lonnet::allowed('srm',$env{'request.course.id'})
 	   && !&Apache::lonnet::allowed('srm',$env{'request.course.id'}.
 					'/'.$env{'request.course.sec'})) {
 	   return '';
        }
-       return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.
-        '","'.$udomele.'");'."'>".&mt('Select User')."</a>";
+       $callargs.=",'".&Apache::lonhtmlcommon::entity_encode($clickerid)."'";
+       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 selectresource_link {
+   my ($form,$reslink,$arg)=@_;
+   
+   my $callargs = "'".&Apache::lonhtmlcommon::entity_encode($form)."','".
+                      &Apache::lonhtmlcommon::entity_encode($reslink)."'";
+   unless ($env{'request.course.id'}) { return $arg; }
+   return '<span class="LC_nobreak">'.
+              '<a href="javascript:openresbrowser('.$callargs.');">'.
+              $arg.'</a></span>';
+}
+
+
+
 sub authorbrowser_javascript {
     return <<"ENDAUTHORBRW";
-<script type="text/javascript">
+<script type="text/javascript" language="JavaScript">
+// <![CDATA[
 var stdeditbrowser;
 
 function openauthorbrowser(formname,udom) {
@@ -465,32 +525,29 @@ function openauthorbrowser(formname,udom
     stdeditbrowser.focus();
 }
 
+// ]]>
 </script>
 ENDAUTHORBRW
 }
 
 sub coursebrowser_javascript {
-    my ($domainfilter,$sec_element,$formname)=@_;
-    my $crs_or_grp_alert = &mt('Please select the type of LON-CAPA entity - Course or Group - for which you wish to add/modify a user role');
-   my $output = '
-<script type="text/javascript">
+    my ($domainfilter,$sec_element,$formname,$role_element,$crstype,
+        $credits_element) = @_;
+    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) {
+
+    $output .= <<"ENDSTDBRW";
+    function opencrsbrowser(formname,uname,udom,desc,extra_element,multflag,type,type_elem) {
         var url = '/adm/pickcourse?';
-        var domainfilter = '';
         var formid = getFormIdByName(formname);
-        if (formid > -1) {
-            var domid = getIndexByName(formid,udom);
-            if (domid > -1) {
-                if (document.forms[formid].elements[domid].type == 'select-one') {
-                    domainfilter=document.forms[formid].elements[domid].options[document.forms[formid].elements[domid].selectedIndex].value;
-                }
-                if (document.forms[formid].elements[domid].type == 'hidden') {
-                    domainfilter=document.forms[formid].elements[domid].value;
-                }
-            }
-        }
+        var domainfilter = getDomainFromSelectbox(formname,udom);
         if (domainfilter != null) {
            if (domainfilter != '') {
                url += 'domainfilter='+domainfilter+'&';
@@ -509,59 +566,216 @@ sub coursebrowser_javascript {
             else {
                 if (formname == 'portform') {
                     url += '&setroles='+extra_element;
+                } else {
+                    if (formname == 'rules') {
+                        url += '&fixeddom='+extra_element; 
+                    }
                 }
             }     
         }
-        if (multflag !=null && multflag != '') {
-            url += '&multiple='+multflag;
+        if (type != null && type != '') {
+            url += '&type='+type;
         }
-        if (crstype == 'Course/Group') {
-            if (formname == 'cu') {
-                crstype = document.cu.crstype.options[document.cu.crstype.selectedIndex].value; 
-                if (crstype == "") {
-                    alert("$crs_or_grp_alert");
-                    return;
-                }
-            }
+        if (type_elem != null && type_elem != '') {
+            url += '&typeelement='+type_elem;
+        }
+        if (formname == 'ccrs') {
+            var ownername = document.forms[formid].ccuname.value;
+            var ownerdom =  document.forms[formid].ccdomain.options[document.forms[formid].ccdomain.selectedIndex].value;
+            url += '&cloner='+ownername+':'+ownerdom;
         }
-        if (crstype !=null && crstype != '') {
-            url += '&type='+crstype;
+        if (multflag !=null && multflag != '') {
+            url += '&multiple='+multflag;
         }
-        var title = 'Course_Browser';
+        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 '') || ($credits_element ne '')) {
+        $output .= &setsec_javascript($sec_element,$formname,$role_element,
+                                      $credits_element);
+    }
+    $output .= '
+// ]]>
+</script>';
+    return $output;
+}
+
+sub javascript_index_functions {
+    return <<"ENDJS";
+
+function getFormIdByName(formname) {
+    for (var i=0;i<document.forms.length;i++) {
+        if (document.forms[i].name == formname) {
+            return i;
+        }
+    }
+    return -1;
+}
 
-    function getFormIdByName(formname) {
-        for (var i=0;i<document.forms.length;i++) {
-            if (document.forms[i].name == formname) {
-                return i;
+function getIndexByName(formid,item) {
+    for (var i=0;i<document.forms[formid].elements.length;i++) {
+        if (document.forms[formid].elements[i].name == item) {
+            return i;
+        }
+    }
+    return -1;
+}
+
+function 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; 
     }
+    return userdom;
+}
 
-    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;
+ENDJS
+
+}
+
+sub javascript_array_indexof {
+    return <<ENDJS;
+<script type="text/javascript" language="JavaScript">
+// <![CDATA[
+
+if (!Array.prototype.indexOf) {
+    Array.prototype.indexOf = function (searchElement /*, fromIndex */ ) {
+        "use strict";
+        if (this === void 0 || this === null) {
+            throw new TypeError();
+        }
+        var t = Object(this);
+        var len = t.length >>> 0;
+        if (len === 0) {
+            return -1;
+        }
+        var n = 0;
+        if (arguments.length > 0) {
+            n = Number(arguments[1]);
+            if (n !== n) { // shortcut for verifying if it is NaN
+                n = 0;
+            } else if (n !== 0 && n !== (1 / 0) && n !== -(1 / 0)) {
+                n = (n > 0 || -1) * Math.floor(Math.abs(n));
+            }
+        }
+        if (n >= len) {
+            return -1;
+        }
+        var k = n >= 0 ? n : Math.max(len - Math.abs(n), 0);
+        for (; k < len; k++) {
+            if (k in t && t[k] === searchElement) {
+                return k;
             }
         }
         return -1;
     }
-ENDSTDBRW
-    if ($sec_element ne '') {
-        $output .= &setsec_javascript($sec_element,$formname);
+}
+
+// ]]>
+</script>
+
+ENDJS
+
+}
+
+sub userbrowser_javascript {
+    my $id_functions = &javascript_index_functions();
+    return <<"ENDUSERBRW";
+
+function openuserbrowser(formname,uname,udom,ulast,ufirst,uemail,hideudom,crsdom,caller) {
+    var url = '/adm/pickuser?';
+    var userdom = getDomainFromSelectbox(formname,udom);
+    if (userdom != null) {
+       if (userdom != '') {
+           url += 'srchdom='+userdom+'&';
+       }
     }
-    $output .= '
-</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,$role_element,$credits_element) = @_;
+    my (@courserolenames,@communityrolenames,$rolestr,$courserolestr,
+        $communityrolestr);
+    if ($role_element ne '') {
+        my @allroles = ('st','ta','ep','in','ad');
+        foreach my $crstype ('Course','Community') {
+            if ($crstype eq 'Community') {
+                foreach my $role (@allroles) {
+                    push(@communityrolenames,&Apache::lonnet::plaintext($role,$crstype));
+                }
+                push(@communityrolenames,&Apache::lonnet::plaintext('co'));
+            } else {
+                foreach my $role (@allroles) {
+                    push(@courserolenames,&Apache::lonnet::plaintext($role,$crstype));
+                }
+                push(@courserolenames,&Apache::lonnet::plaintext('cc'));
+            }
+        }
+        $rolestr = '"'.join('","',@allroles).'"';
+        $courserolestr = '"'.join('","',@courserolenames).'"';
+        $communityrolestr = '"'.join('","',@communityrolenames).'"';
+    }
     my $setsections = qq|
 function setSect(sectionlist) {
     var sectionsArray = new Array();
@@ -595,15 +809,78 @@ function setSect(sectionlist) {
         }
     }
 }
+
+function setRole(crstype) {
 |;
+    if ($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;
+}
+|;
+    }
+    if ($credits_element) {
+        $setsections .= qq|
+function setCredits(defaultcredits) {
+    document.$formname.$credits_element.value = defaultcredits;
+    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');
+       $type = '';
+   } elsif ($selecttype eq 'Select') {
+       $linktext = &mt('Select');
+       $type = '';
+   }
+   return '<span class="LC_nobreak">'
+         ."<a href='"
+         .'javascript:opencrsbrowser("'.$form.'","'.$unameele
+         .'","'.$udomele.'","'.$desc.'","'.$extra_element
+         .'","'.$multflag.'","'.$type.'","'.$typeelement.'");'
+         ."'>".$linktext.'</a>'
+         .'</span>';
 }
 
 sub selectauthor_link {
@@ -612,15 +889,27 @@ sub selectauthor_link {
           &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 {
     my $jscript = <<"ENDSCRT";
 function checkAll(field) {
     if (field.length > 0) {
         for (i = 0; i < field.length; i++) {
-            field[i].checked = true ;
+            if (!field[i].disabled) { 
+                field[i].checked = true;
+            }
         }
     } else {
-        field.checked = true
+        if (!field.disabled) { 
+            field.checked = true;
+        }
     }
 }
  
@@ -710,6 +999,49 @@ sub select_datelocale {
     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($id);
+        }
+    }
+    %langchoices = &Apache::lonlocal::texthash(%langchoices);
+    return &select_form($selected,$name,\%langchoices);
+}
+
+=pod
+
+
+=item * &list_languages()
+
+Returns an array reference that is suitable for use in language prompters.
+Each array element is itself a two element array.  The first element
+is the language code.  The second element a descsriptiuon of the 
+language itself.  This is suitable for use in e.g.
+&Apache::edit::select_arg (once dereferenced that is).
+
+=cut 
+
+sub list_languages {
+    my @lang_choices;
+
+    foreach my $id (&languageids()) {
+	my $code = &supportedlanguagecode($id);
+	if ($code) {
+	    my $selector    = $supported_codes{$id};
+	    my $description = &plainlanguagedescription($id);
+	    push (@lang_choices, [$selector, $description]);
+	}
+    }
+    return \@lang_choices;
+}
+
 =pod
 
 =item * &linked_select_forms(...)
@@ -738,6 +1070,12 @@ linked_select_forms takes the following
 
 =item * $menuorder, the order of values in the first menu
 
+=item * $onchangefirst, additional javascript call to execute for an onchange
+        event for the first <select> tag
+
+=item * $onchangesecond, additional javascript call to execute for an onchange
+        event for the second <select> tag
+
 =back 
 
 Below is an example of such a hash.  Only the 'text', 'default', and 
@@ -791,12 +1129,15 @@ sub linked_select_forms {
         $secondselectname, 
         $hashref,
         $menuorder,
+        $onchangefirst,
+        $onchangesecond
         ) = @_;
     my $second = "document.$formname.$secondselectname";
     my $first = "document.$formname.$firstselectname";
     # output the javascript to do the changing
     my $result = '';
-    $result.="<script type=\"text/javascript\">\n";
+    $result.='<script type="text/javascript" language="JavaScript">'."\n";
+    $result.="// <![CDATA[\n";
     $result.="var select2data = new Object();\n";
     $" = '","';
     my $debug = '';
@@ -842,10 +1183,11 @@ function select1_changed() {
         }
     }
 }
+// ]]>
 </script>
 END
     # output the initial values for the selection lists
-    $result .= "<select size=\"1\" name=\"$firstselectname\" onchange=\"select1_changed()\">\n";
+    $result .= "<select size=\"1\" name=\"$firstselectname\" onchange=\"select1_changed();$onchangefirst\">\n";
     my @order = sort(keys(%{$hashref}));
     if (ref($menuorder) eq 'ARRAY') {
         @order = @{$menuorder};
@@ -858,7 +1200,11 @@ END
     $result .= "</select>\n";
     my %select2 = %{$hashref->{$firstdefault}->{'select2'}};
     $result .= $middletext;
-    $result .= "<select size=\"1\" name=\"$secondselectname\">\n";
+    $result .= "<select size=\"1\" name=\"$secondselectname\"";
+    if ($onchangesecond) {
+        $result .= ' onchange="'.$onchangesecond.'"';
+    }
+    $result .= ">\n";
     my $seconddefault = $hashref->{$firstdefault}->{'default'};
     
     my @secondorder = sort(keys(%select2));
@@ -877,7 +1223,7 @@ END
 
 =pod
 
-=item * &help_open_topic($topic,$text,$stayOnPage,$width,$height)
+=item * &help_open_topic($topic,$text,$stayOnPage,$width,$height,$imgid)
 
 Returns a string corresponding to an HTML link to the given help
 $topic, where $topic corresponds to the name of a .tex file in
@@ -895,18 +1241,19 @@ a new window using Javascript. (Default
 
 $width and $height are optional numerical parameters that will
 override the width and height of the popped up window, which may
-be useful for certain help topics with big pictures included. 
+be useful for certain help topics with big pictures included.
+
+$imgid is the id of the img tag used for the help icon. This may be
+used in a javascript call to switch the image src.  See 
+lonhtmlcommon::htmlareaselectactive() for an example.
 
 =cut
 
 sub help_open_topic {
-    my ($topic, $text, $stayOnPage, $width, $height) = @_;
+    my ($topic, $text, $stayOnPage, $width, $height, $imgid) = @_;
     $text = "" if (not defined $text);
     $stayOnPage = 0 if (not defined $stayOnPage);
-    if ($env{'browser.interface'} eq 'textual') {
-	$stayOnPage=1;
-    }
-    $width = 350 if (not defined $width);
+    $width = 500 if (not defined $width);
     $height = 400 if (not defined $height);
     my $filename = $topic;
     $filename =~ s/ /_/g;
@@ -917,25 +1264,34 @@ sub help_open_topic {
     $topic=~s/\W/\_/g;
 
     if (!$stayOnPage) {
-	$link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
+	$link = "javascript:openMyModal('/adm/help/${filename}.hlp',$width,$height,'yes');";
+    } elsif ($stayOnPage eq 'popup') {
+        $link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
     } else {
 	$link = "/adm/help/${filename}.hlp";
     }
 
     # Add the text
-    if ($text ne "") {
-	$template .= 
-            "<table bgcolor='#3333AA' cellspacing='1' cellpadding='1' border='0'><tr>".
-            "<td bgcolor='#5555FF'><a target=\"_top\" href=\"$link\"><span style=\"color:#FFFFFF;font-size:10pt;\">$text</span></a>";
+    if ($text ne "") {	
+	$template.='<span class="LC_help_open_topic">'
+                  .'<a target="_top" href="'.$link.'">'
+                  .$text.'</a>';
     }
 
-    # Add the graphic
+    # (Always) Add the graphic
     my $title = &mt('Online Help');
     my $helpicon=&lonhttpdurl("/adm/help/help.png");
-    $template .= <<"ENDTEMPLATE";
- <a target="_top" href="$link" title="$title"><img src="$helpicon" border="0" alt="(Help: $topic)" /></a>
-ENDTEMPLATE
-    if ($text ne '') { $template.='</td></tr></table>' };
+    if ($imgid ne '') {
+        $imgid = ' id="'.$imgid.'"';
+    }
+    $template.=' <a target="_top" href="'.$link.'" title="'.$title.'">'
+              .'<img src="'.$helpicon.'" border="0"'
+              .' alt="'.&mt('Help: [_1]',$topic).'"'
+              .' title="'.$title.'" style="vertical-align:middle;"'.$imgid 
+              .' /></a>';
+    if ($text ne "") {	
+        $template.='</span>';
+    }
     return $template;
 
 }
@@ -943,31 +1299,33 @@ ENDTEMPLATE
 # This is a quicky function for Latex cheatsheet editing, since it 
 # appears in at least four places
 sub helpLatexCheatsheet {
-    my $other = shift;
+    my ($topic,$text,$not_author,$stayOnPage) = @_;
+    my $out;
     my $addOther = '';
-    if ($other) {
-	$addOther = Apache::loncommon::help_open_topic($other, shift,
-						       undef, undef, 600) .
-							   '</td><td>';
-    }
-    return '<table><tr><td>'.
-	$addOther .
-	&Apache::loncommon::help_open_topic("Greek_Symbols",&mt('Greek Symbols'),
-					    undef,undef,600)
-	.'</td><td>'.
-	&Apache::loncommon::help_open_topic("Other_Symbols",&mt('Other Symbols'),
-					    undef,undef,600)
-	.'</td><td>'.
-	&Apache::loncommon::help_open_topic("Authoring_Output_Tags",&mt('Output Tags'),
-	                                    undef,undef,600)
-	.'</td></tr></table>';
+    if ($topic) {
+	$addOther = '<span>'.&help_open_topic($topic,&mt($text),$stayOnPage, undef, 600).'</span> ';
+    }
+    $out = '<span>' # Start cheatsheet
+	  .$addOther
+          .'<span>'
+	  .&help_open_topic('Greek_Symbols',&mt('Greek Symbols'),$stayOnPage,undef,600)
+	  .'</span> <span>'
+	  .&help_open_topic('Other_Symbols',&mt('Other Symbols'),$stayOnPage,undef,600)
+	  .'</span>';
+    unless ($not_author) {
+        $out .= ' <span>'
+	       .&help_open_topic('Authoring_Output_Tags',&mt('Output Tags'),$stayOnPage,undef,600)
+	       .'</span>';
+    }
+    $out .= '</span>'; # End cheatsheet
+    return $out;
 }
 
 sub general_help {
     my $helptopic='Student_Intro';
     if ($env{'request.role'}=~/^(ca|au)/) {
 	$helptopic='Authoring_Intro';
-    } elsif ($env{'request.role'}=~/^cc/) {
+    } elsif ($env{'request.role'}=~/^(cc|co)/) {
 	$helptopic='Course_Coordination_Intro';
     } elsif ($env{'request.role'}=~/^dc/) {
         $helptopic='Domain_Coordination_Intro';
@@ -987,7 +1345,9 @@ 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 $output;
@@ -997,13 +1357,7 @@ ENDOUTPUT
 sub help_open_menu {
     my ($topic,$component_help,$faq,$bug,$stayOnPage,$width,$height,$text) 
 	= @_;    
-    $stayOnPage = 0 if (not defined $stayOnPage);
-    # only use pop-up help (stayOnPage == 0)
-    # if environment.remote is on (using remote control UI)
-    if ($env{'browser.interface'} eq 'textual' ||
-    	$env{'environment.remote'} eq 'off' ) {
-        $stayOnPage=1;
-    }
+    $stayOnPage = 1;
     my $output;
     if ($component_help) {
 	if (!$text) {
@@ -1024,9 +1378,8 @@ sub help_open_menu {
 sub top_nav_help {
     my ($text) = @_;
     $text = &mt($text);
-    my $stay_on_page = 
-	($env{'browser.interface'}  eq 'textual' ||
-	 $env{'environment.remote'} eq 'off' );
+    my $stay_on_page = 1;
+
     my $link = ($stay_on_page) ? "javascript:helpMenu('display')"
 	                     : "javascript:helpMenu('open')";
     my $banner_link = &update_help_link(undef,undef,undef,undef,$stay_on_page);
@@ -1035,26 +1388,23 @@ sub top_nav_help {
 
     return <<"END";
 $banner_link
- <a href="$link" title="$title">$text</a>
+<a href="$link" title="$title">$text</a>
 END
 }
 
 sub help_menu_js {
-    my ($text) = @_;
-
-    my $stayOnPage = 
-	($env{'browser.interface'}  eq 'textual' ||
-	 $env{'environment.remote'} eq 'off' );
-
+    my ($httphost) = @_;
+    my $stayOnPage = 1;
     my $width = 620;
     my $height = 600;
     my $helptopic=&general_help();
-    my $details_link = '/adm/help/'.$helptopic.'.hlp';
+    my $details_link = $httphost.'/adm/help/'.$helptopic.'.hlp';
     my $nothing=&Apache::lonhtmlcommon::javascript_nothing();
     my $start_page =
         &Apache::loncommon::start_page('Help Menu', undef,
 				       {'frameset'    => 1,
 					'js_ready'    => 1,
+                                        'use_absolute' => $httphost,
 					'add_entries' => {
 					    'border' => '0',
 					    'rows'   => "110,*",},});
@@ -1064,8 +1414,8 @@ sub help_menu_js {
 
     my $template .= <<"ENDTEMPLATE";
 <script type="text/javascript">
-// <!-- BEGIN LON-CAPA Internal
 // <![CDATA[
+// <!-- BEGIN LON-CAPA Internal
 var banner_link = '';
 function helpMenu(target) {
     var caller = this;
@@ -1086,12 +1436,12 @@ function helpMenu(target) {
     return;
 }
 function writeHelp(caller) {
-    caller.document.writeln('$start_page<frame name="bannerframe"  src="'+banner_link+'" /><frame name="bodyframe" src="$details_link" /> $end_page')
+    caller.document.writeln('$start_page\\n<frame name="bannerframe" src="'+banner_link+'" />\\n<frame name="bodyframe" src="$details_link" />\\n$end_page')
     caller.document.close()
     caller.focus()
 }
-// ]]>
 // END LON-CAPA Internal -->
+// ]]>
 </script>
 ENDTEMPLATE
     return $template;
@@ -1102,11 +1452,7 @@ sub help_open_bug {
     unless ($env{'user.adv'}) { return ''; }
     unless ($Apache::lonnet::perlvar{'BugzillaHost'}) { return ''; }
     $text = "" if (not defined $text);
-    $stayOnPage = 0 if (not defined $stayOnPage);
-    if ($env{'browser.interface'} eq 'textual' ||
-	$env{'environment.remote'} eq 'off' ) {
 	$stayOnPage=1;
-    }
     $width = 600 if (not defined $width);
     $height = 600 if (not defined $height);
 
@@ -1147,11 +1493,7 @@ sub help_open_faq {
     unless ($env{'user.adv'}) { return ''; }
     unless ($Apache::lonnet::perlvar{'FAQHost'}) { return ''; }
     $text = "" if (not defined $text);
-    $stayOnPage = 0 if (not defined $stayOnPage);
-    if ($env{'browser.interface'} eq 'textual' ||
-	$env{'environment.remote'} eq 'off' ) {
 	$stayOnPage=1;
-    }
     $width = 350 if (not defined $width);
     $height = 400 if (not defined $height);
 
@@ -1359,6 +1701,7 @@ sub resize_textarea_js {
     my $geometry = &viewport_geometry_js();
     return <<"RESIZE";
     <script type="text/javascript">
+// <![CDATA[
 $geometry
 
 function getX(element) {
@@ -1397,6 +1740,7 @@ function resize_textarea(textarea_id,bot
     }
     textarea.style.height=new_height+'px';
 }
+// ]]>
 </script>
 RESIZE
 
@@ -1466,6 +1810,7 @@ Inputs: $workbook
 
 Returns: $format, a hash reference.
 
+
 =cut
 
 ###############################################################
@@ -1517,14 +1862,17 @@ sub create_workbook {
     my $workbook  = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
     if (! defined($workbook)) {
         $r->log_error("Error creating excel spreadsheet $filename: $!");
-        $r->print('<p>'.&mt("Unable to create new Excel file.  ".
-                            "This error has been logged.  ".
-                            "Please alert your LON-CAPA administrator").
-                  '</p>');
+        $r->print(
+            '<p class="LC_error">'
+           .&mt('Problems occurred in creating the new Excel file.')
+           .' '.&mt('This error has been logged.')
+           .' '.&mt('Please alert your LON-CAPA administrator.')
+           .'</p>'
+        );
         return (undef);
     }
     #
-    $workbook->set_tempdir('/home/httpd/perl/tmp');
+    $workbook->set_tempdir(LONCAPA::tempdir());
     #
     my $format = &Apache::loncommon::define_excel_formats($workbook);
     return ($workbook,$filename,$format);
@@ -1560,9 +1908,13 @@ 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(&mt('Problems occurred in creating the output file. '
-                     .'This error has been logged. '
-                     .'Please alert your LON-CAPA administrator.'));
+        $r->print(
+            '<p class="LC_error">'
+           .&mt('Problems occurred in creating the output file.')
+           .' '.&mt('This error has been logged.')
+           .' '.&mt('Please alert your LON-CAPA administrator.')
+           .'</p>'
+        );
     }
     return ($fh,$filename)
 }
@@ -1591,7 +1943,7 @@ sub domain_select {
 	return &multiple_select_form($name,$value,4,\%domains);
     } else {
 	$domains{'select_form_order'} = [sort {lc($a) cmp lc($b) } (keys(%domains))];
-	return &select_form($name,$value,%domains);
+	return &select_form($name,$value,\%domains);
     }
 }
 
@@ -1629,7 +1981,7 @@ 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};
@@ -1653,29 +2005,36 @@ sub multiple_select_form {
 
 =pod
 
-=item * &select_form($defdom,$name,%hash)
+=item * &select_form($defdom,$name,$hashref,$onchange)
 
 Returns a string containing a <select name='$name' size='1'> form to 
-allow a user to select options from a hash option_name => displayed text.  
+allow a user to select options from a ref to a hash containing:
+option_name => displayed text. An optional $onchange can include
+a javascript onchange item, e.g., onchange="this.form.submit();"  
+
 See lonrights.pm for an example invocation and use.
 
 =cut
 
 #-------------------------------------------
 sub select_form {
-    my ($def,$name,%hash) = @_;
-    my $selectform = "<select name=\"$name\" size=\"1\">\n";
+    my ($def,$name,$hashref,$onchange) = @_;
+    return unless (ref($hashref) eq 'HASH');
+    if ($onchange) {
+        $onchange = ' onchange="'.$onchange.'"';
+    }
+    my $selectform = "<select name=\"$name\" size=\"1\"$onchange>\n";
     my @keys;
-    if (exists($hash{'select_form_order'})) {
-	@keys=@{$hash{'select_form_order'}};
+    if (exists($hashref->{'select_form_order'})) {
+	@keys=@{$hashref->{'select_form_order'}};
     } else {
-	@keys=sort(keys(%hash));
+	@keys=sort(keys(%{$hashref}));
     }
     foreach my $key (@keys) {
         $selectform.=
 	    '<option value="'.&HTML::Entities::encode($key,'"<>&').'" '.
             ($key eq $def ? 'selected="selected" ' : '').
-                ">".&mt($hash{$key})."</option>\n";
+                ">".$hashref->{$key}."</option>\n";
     }
     $selectform.="</select>";
     return $selectform;
@@ -1684,19 +2043,112 @@ sub select_form {
 # For display filters
 
 sub display_filter {
+    my ($context) = @_;
     if (!$env{'form.show'}) { $env{'form.show'}=10; }
     if (!$env{'form.displayfilter'}) { $env{'form.displayfilter'}='currentfolder'; }
-    return '<nobr><label>'.&mt('Records [_1]',
+    my $phraseinput = 'hidden';
+    my $includeinput = 'hidden';
+    my ($checked,$includetypestext);
+    if ($env{'form.displayfilter'} eq 'containing') {
+        $phraseinput = 'text'; 
+        if ($context eq 'parmslog') {
+            $includeinput = 'checkbox';
+            if ($env{'form.includetypes'}) {
+                $checked = ' checked="checked"';
+            }
+            $includetypestext = &mt('Include parameter types');
+        }
+    } else {
+        $includetypestext = '&nbsp;';
+    }
+    my ($additional,$secondid,$thirdid);
+    if ($context eq 'parmslog') {
+        $additional = 
+            '<label><input type="'.$includeinput.'" name="includetypes"'. 
+            $checked.' name="includetypes" value="1" id="includetypes" />'.
+            '&nbsp;<span id="includetypestext">'.$includetypestext.'</span>'.
+            '</label>';
+        $secondid = 'includetypes';
+        $thirdid = 'includetypestext';
+    }
+    my $onchange = "javascript:toggleHistoryOptions(this,'containingphrase','$context',
+                                                    '$secondid','$thirdid')";
+    return '<span class="LC_nobreak"><label>'.&mt('Records: [_1]',
 			       &Apache::lonmeta::selectbox('show',$env{'form.show'},undef,
 							   (&mt('all'),10,20,50,100,1000,10000))).
-	   '</label></nobr> <nobr>'.
-           &mt('Filter [_1]',
+	   '</label></span> <span class="LC_nobreak">'.
+           &mt('Filter: [_1]',
 	   &select_form($env{'form.displayfilter'},
 			'displayfilter',
-			('currentfolder' => 'Current folder/page',
+			{'currentfolder' => 'Current folder/page',
 			 'containing' => 'Containing phrase',
-			 'none' => 'None'))).
-			 '<input type="text" name="containingphrase" size="30" value="'.&HTML::Entities::encode($env{'form.containingphrase'}).'" /></nobr>';
+			 'none' => 'None'},$onchange)).'&nbsp;'.
+			 '<input type="'.$phraseinput.'" name="containingphrase" id="containingphrase" size="30" value="'.
+                         &HTML::Entities::encode($env{'form.containingphrase'}).
+                         '" />'.$additional;
+}
+
+sub display_filter_js {
+    my $includetext = &mt('Include parameter types');
+    return <<"ENDJS";
+  
+function toggleHistoryOptions(setter,firstid,context,secondid,thirdid) {
+    var firstType = 'hidden';
+    if (setter.options[setter.selectedIndex].value == 'containing') {
+        firstType = 'text';
+    }
+    firstObject = document.getElementById(firstid);
+    if (typeof(firstObject) == 'object') {
+        if (firstObject.type != firstType) {
+            changeInputType(firstObject,firstType);
+        }
+    }
+    if (context == 'parmslog') {
+        var secondType = 'hidden';
+        if (firstType == 'text') {
+            secondType = 'checkbox';
+        }
+        secondObject = document.getElementById(secondid);  
+        if (typeof(secondObject) == 'object') {
+            if (secondObject.type != secondType) {
+                changeInputType(secondObject,secondType);
+            }
+        }
+        var textItem = document.getElementById(thirdid);
+        var currtext = textItem.innerHTML;
+        var newtext;
+        if (firstType == 'text') {
+            newtext = '$includetext';
+        } else {
+            newtext = '&nbsp;';
+        }
+        if (currtext != newtext) {
+            textItem.innerHTML = newtext;
+        }
+    }
+    return;
+}
+
+function changeInputType(oldObject,newType) {
+    var newObject = document.createElement('input');
+    newObject.type = newType;
+    if (oldObject.size) {
+        newObject.size = oldObject.size;
+    }
+    if (oldObject.value) {
+        newObject.value = oldObject.value;
+    }
+    if (oldObject.name) {
+        newObject.name = oldObject.name;
+    }
+    if (oldObject.id) {
+        newObject.id = oldObject.id;
+    }
+    oldObject.parentNode.replaceChild(newObject,oldObject);
+    return;
+}
+
+ENDJS
 }
 
 sub gradeleveldescription {
@@ -1740,7 +2192,7 @@ sub select_level_form {
 
 =pod
 
-=item * &select_dom_form($defdom,$name,$includeempty,$showdomdesc)
+=item * &select_dom_form($defdom,$name,$includeempty,$showdomdesc,$onchange,$incdoms,$excdoms)
 
 Returns a string containing a <select name='$name' size='1'> form to 
 allow a user to select the domain to preform an operation in.  
@@ -1749,17 +2201,35 @@ 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.
+
+The optional $excdoms is a reference to an array of domains which will be excluded from the 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,$excdoms) = @_;
+    if ($onchange) {
+        $onchange = ' onchange="'.$onchange.'"';
+    }
+    my (@domains,%exclude);
+    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";
+    if (ref($excdoms) eq 'ARRAY') {
+        map { $exclude{$_} = 1; } @{$excdoms}; 
+    }
+    my $selectdomain = "<select name=\"$name\" size=\"1\"$onchange>\n";
     foreach my $dom (@domains) {
+        next if ($exclude{$dom});
         $selectdomain.="<option value=\"$dom\" ".
             ($dom eq $defdom ? 'selected="selected" ' : '').'>'.$dom;
         if ($showdomdesc) {
@@ -1814,7 +2284,7 @@ sub home_server_form_item {
     if ($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))) {
@@ -1880,6 +2350,10 @@ Outputs:
 
 =item * $clientos
 
+=item * $clientmobile
+
+=item * $clientinfo
+
 =back
 
 =back 
@@ -1898,6 +2372,7 @@ sub decode_user_agent {
     my $clientversion='0';
     my $clientmathml='';
     my $clientunicode='0';
+    my $clientmobile=0;
     for (my $i=0;$i<=$#browsertype;$i++) {
         my ($bname,$match,$notmatch,$vreg,$minv,$univ)=split(/\:/,$browsertype[$i]);
 	if (($httpbrowser=~/$match/i)  && ($httpbrowser!~/$notmatch/i)) {
@@ -1909,6 +2384,7 @@ sub decode_user_agent {
 	}
     }
     my $clientos='unknown';
+    my $clientinfo;
     if (($httpbrowser=~/linux/i) ||
         ($httpbrowser=~/unix/i) ||
         ($httpbrowser=~/ux/i) ||
@@ -1920,8 +2396,16 @@ sub decode_user_agent {
         ($httpbrowser=~/powerpc/i)) { $clientos='mac'; }
     if ($httpbrowser=~/win/i) { $clientos='win'; }
     if ($httpbrowser=~/embed/i) { $clientos='pda'; }
+    if ($httpbrowser=~/(Android|iPod|iPad|iPhone|webOS|Blackberry|Windows Phone|Opera m(?:ob|in)|Fennec)/i) {
+        $clientmobile=lc($1);
+    }
+    if ($httpbrowser=~ m{Firefox/(\d+\.\d+)}) {
+        $clientinfo = 'firefox-'.$1;
+    } elsif ($httpbrowser=~ m{chromeframe/(\d+\.\d+)\.}) {
+        $clientinfo = 'chromeframe-'.$1;
+    }
     return ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
-            $clientunicode,$clientos,);
+            $clientunicode,$clientos,$clientmobile,$clientinfo);
 }
 
 ###############################################################
@@ -2053,12 +2537,16 @@ function changed_text(choice,currentform
 }
 
 function set_auth_radio_buttons(newvalue,currentform) {
+    var numauthchoices = currentform.login.length;
+    if (typeof numauthchoices  == "undefined") {
+        return;
+    } 
     var i=0;
-    while (i < currentform.login.length) {
+    while (i < numauthchoices) {
         if (currentform.login[i].value == newvalue) { break; }
         i++;
     }
-    if (i == currentform.login.length) {
+    if (i == numauthchoices) {
         return;
     }
     current.radiovalue = newvalue;
@@ -2069,7 +2557,7 @@ END
     return $result;
 }
 
-sub authform_authorwarning{
+sub authform_authorwarning {
     my $result='';
     $result='<i>'.
         &mt('As a general rule, only authors or co-authors should be '.
@@ -2078,16 +2566,16 @@ sub authform_authorwarning{
     return $result;
 }
 
-sub authform_nochange{  
+sub authform_nochange {
     my %in = (
               formname => 'document.cu',
               kerb_def_dom => 'MSU.EDU',
               @_,
           );
-    my ($authnum,%can_assign) =  &get_assignable_auth($in{'domain'}); 
+    my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
     my $result;
-    if (keys(%can_assign) == 0) {
-        $result = &mt('Under you current role you are not permitted to change login settings for this user');  
+    if (!$authnum) {
+        $result = &mt('Under your current role you are not permitted to change login settings for this user');
     } else {
         $result = '<label>'.&mt('[_1] Do not change login data',
                   '<input type="radio" name="login" value="nochange" '.
@@ -2107,16 +2595,16 @@ sub authform_kerberos {
               );
     my ($check4,$check5,$krbcheck,$krbarg,$krbver,$result,$authtype,
         $autharg,$jscall);
-    my ($authnum,%can_assign) =  &get_assignable_auth($in{'domain'});
+    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') {
                     $krbcheck = '';
@@ -2124,10 +2612,10 @@ sub authform_kerberos {
             }
             if (defined($in{'curr_kerb_ver'})) {
                 if ($in{'curr_krb_ver'} eq '5') {
-                    $check5 = ' checked="on"';
+                    $check5 = ' checked="checked"';
                     $check4 = '';
                 } else {
-                    $check4 = ' checked="on"';
+                    $check4 = ' checked="checked"';
                     $check5 = '';
                 }
             }
@@ -2148,7 +2636,7 @@ sub authform_kerberos {
         }
     } else {
         if ($authnum == 1) {
-            $authtype = '<input type="hidden" name="login" value="krb">';
+            $authtype = '<input type="hidden" name="login" value="krb" />';
         }
     }
     if (!$can_assign{'krb4'} && !$can_assign{'krb5'}) {
@@ -2157,7 +2645,7 @@ sub authform_kerberos {
         if (defined($in{'mode'})) {
             if ($in{'mode'} eq 'modifycourse') {
                 if ($authnum == 1) {
-                    $authtype = '<input type="hidden" name="login" value="krb">';
+                    $authtype = '<input type="radio" name="login" value="krb" />';
                 }
             }
         }
@@ -2169,9 +2657,9 @@ sub authform_kerberos {
                     $krbcheck.' />';
     }
     if (($can_assign{'krb4'} && $can_assign{'krb5'}) ||
-        ($can_assign{'krb4'} && !$can_assign{'krb5'} && 
+        ($can_assign{'krb4'} && !$can_assign{'krb5'} &&
          $in{'curr_authtype'} eq 'krb5') ||
-        (!$can_assign{'krb4'} && $can_assign{'krb5'} && 
+        (!$can_assign{'krb4'} && $can_assign{'krb5'} &&
          $in{'curr_authtype'} eq 'krb4')) {
         $result .= &mt
         ('[_1] Kerberos authenticated with domain [_2] '.
@@ -2207,18 +2695,18 @@ sub authform_kerberos {
     return $result;
 }
 
-sub authform_internal{  
+sub authform_internal {
     my %in = (
                 formname => 'document.cu',
                 kerb_def_dom => 'MSU.EDU',
                 @_,
                 );
     my ($intcheck,$intarg,$result,$authtype,$autharg,$jscall);
-    my ($authnum,%can_assign) =  &get_assignable_auth($in{'domain'});
+    my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
     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') {
                         $intcheck = '';
@@ -2234,7 +2722,7 @@ sub authform_internal{
         }
     } else {
         if ($authnum == 1) {
-            $authtype = '<input type="hidden" name="login" value="int">';
+            $authtype = '<input type="hidden" name="login" value="int" />';
         }
     }
     if (!$can_assign{'int'}) {
@@ -2243,7 +2731,7 @@ 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="radio" name="login" value="int" />';
                 }
             }
         }
@@ -2258,22 +2746,22 @@ sub authform_internal{
     $result = &mt
         ('[_1] Internally authenticated (with initial password [_2])',
          '<label>'.$authtype,'</label>'.$autharg);
-    $result.="<label><input type=\"checkbox\" name=\"visible\" onClick='if (this.checked) { this.form.intarg.type=\"text\" } else { this.form.intarg.type=\"password\" }' />".&mt('Visible input').'</label>';
+    $result.="<label><input type=\"checkbox\" name=\"visible\" onclick='if (this.checked) { this.form.intarg.type=\"text\" } else { this.form.intarg.type=\"password\" }' />".&mt('Visible input').'</label>';
     return $result;
 }
 
-sub authform_local{  
+sub authform_local {
     my %in = (
               formname => 'document.cu',
               kerb_def_dom => 'MSU.EDU',
               @_,
               );
     my ($loccheck,$locarg,$result,$authtype,$autharg,$jscall);
-    my ($authnum,%can_assign) =  &get_assignable_auth($in{'domain'});
+    my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
     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') {
                         $loccheck = '';
@@ -2289,7 +2777,7 @@ sub authform_local{
         }
     } else {
         if ($authnum == 1) {
-            $authtype = '<input type="hidden" name="login" value="loc">';
+            $authtype = '<input type="hidden" name="login" value="loc" />';
         }
     }
     if (!$can_assign{'loc'}) {
@@ -2298,7 +2786,7 @@ 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="radio" name="login" value="loc" />';
                 }
             }
         }
@@ -2316,18 +2804,18 @@ sub authform_local{
     return $result;
 }
 
-sub authform_filesystem{  
+sub authform_filesystem {
     my %in = (
               formname => 'document.cu',
               kerb_def_dom => 'MSU.EDU',
               @_,
               );
     my ($fsyscheck,$result,$authtype,$autharg,$jscall);
-    my ($authnum,%can_assign) =  &get_assignable_auth($in{'domain'});
+    my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
     if (defined($in{'curr_authtype'})) {
         if ($in{'curr_authtype'} eq 'fsys') {
             if ($can_assign{'fsys'}) {
-                $fsyscheck = 'checked="on" ';
+                $fsyscheck = 'checked="checked" ';
                 if (defined($in{'mode'})) {
                     if ($in{'mode'} eq 'modifyuser') {
                         $fsyscheck = '';
@@ -2340,7 +2828,7 @@ sub authform_filesystem{
         }
     } else {
         if ($authnum == 1) {
-            $authtype = '<input type="hidden" name="login" value="fsys">';
+            $authtype = '<input type="hidden" name="login" value="fsys" />';
         }
     }
     if (!$can_assign{'fsys'}) {
@@ -2349,7 +2837,7 @@ 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="radio" name="login" value="fsys" />';
                 }
             }
         }
@@ -2544,6 +3032,7 @@ database which holds them.
 
 Uses global $thesaurus_db_file.
 
+
 =cut
 
 ###############################################################
@@ -2579,13 +3068,73 @@ sub get_related_words {
     untie %thesaurus_db;
     return @Words;
 }
+###############################################################
+#
+#  Spell checking
+#
 
 =pod
 
 =back
 
+=head1 Spell checking
+
+=over 4
+
+=item * &check_spelling($wordlist $language)
+
+Takes a string containing words and feeds it to an external
+spellcheck program via a pipeline. Returns a string containing
+them mis-spelled words.
+
+Parameters:
+
+=over 4
+
+=item - $wordlist
+
+String that will be fed into the spellcheck program.
+
+=item - $language
+
+Language string that specifies the language for which the spell
+check will be performed.
+
+=back
+
+=back
+
+Note: This sub assumes that aspell is installed.
+
+
 =cut
 
+
+sub check_spelling {
+    my ($wordlist, $language) = @_;
+    my @misspellings;
+    
+    # Generate the speller and set the langauge.
+    # if explicitly selected:
+
+    my $speller = Text::Aspell->new;
+    if ($language) {
+	$speller->set_option('lang', $language);
+    }
+
+    # Turn the word list into an array of words by splittingon whitespace
+
+    my @words = split(/\s+/, $wordlist);
+
+    foreach my $word (@words) {
+	if(! $speller->check($word)) {
+	    push(@misspellings, $word);
+	}
+    }
+    return join(' ', @misspellings);
+    
+}
+
 # -------------------------------------------------------------- Plaintext name
 =pod
 
@@ -2717,6 +3266,43 @@ 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
@@ -2736,6 +3322,26 @@ sub screenname {
 }
 
 
+# ------------------------------------------------------------- Confirm Wrapper
+=pod
+
+=item * &confirmwrapper($message)
+
+Wrap messages about completion of operation in box
+
+=cut
+
+sub confirmwrapper {
+    my ($message)=@_;
+    if ($message) {
+        return "\n".'<div class="LC_confirm_box">'."\n"
+               .$message."\n"
+               .'</div>'."\n";
+    } else {
+        return $message;
+    }
+}
+
 # ------------------------------------------------------------- Message Wrapper
 
 sub messagewrapper {
@@ -2746,34 +3352,37 @@ sub messagewrapper {
 	'&amp;subject='.&escape($subject).'&amp;text='.&escape($text).'" '.
         'title="'.&mt('Send message').'">'.$link.'</a>';
 }
+
 # --------------------------------------------------------------- Notes Wrapper
 
 sub noteswrapper {
     my ($link,$un,$do)=@_;
     return 
-"<a href='/adm/email?recordftf=retrieve&recname=$un&recdom=$do'>$link</a>";
+"<a href='/adm/email?recordftf=retrieve&amp;recname=$un&amp;recdom=$do'>$link</a>";
 }
+
 # ------------------------------------------------------------- Aboutme Wrapper
 
 sub aboutmewrapper {
-    my ($link,$username,$domain,$target)=@_;
+    my ($link,$username,$domain,$target,$class)=@_;
     if (!defined($username)  && !defined($domain)) {
         return;
     }
     return '<a href="/adm/'.$domain.'/'.$username.'/aboutme"'.
-	($target?' target="$target"':'').' title="'.&mt("View this user's personal page").'">'.$link.'</a>';
+	($target?' target="'.$target.'"':'').($class?' class="'.$class.'"':'').' title="'.&mt("View this user's personal information page").'">'.$link.'</a>';
 }
 
 # ------------------------------------------------------------ Syllabus Wrapper
 
-
 sub syllabuswrapper {
     my ($linktext,$coursedir,$domain)=@_;
     return qq{<a href="/public/$domain/$coursedir/syllabus">$linktext</a>};
 }
 
+# -----------------------------------------------------------------------------
+
 sub track_student_link {
-    my ($linktext,$sname,$sdom,$target,$start) = @_;
+    my ($linktext,$sname,$sdom,$target,$start,$only_body) = @_;
     my $link ="/adm/trackstudent?";
     my $title = 'View recent activity';
     if (defined($sname) && $sname !~ /^\s*$/ &&
@@ -2787,12 +3396,34 @@ 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
 
 
@@ -2839,11 +3470,29 @@ sub languagedescription {
 	    ($supported_language{$code}?' ('.&mt('interface available').')':'');
 }
 
+=pod
+
+=item * &plainlanguagedescription
+
+Returns both the plain language description (e.g. 'Creoles and Pidgins, English-based (Other)')
+and the language character encoding (e.g. ISO) separated by a ' - ' string.
+
+=cut
+
 sub plainlanguagedescription {
     my $code=shift;
     return $language{$code};
 }
 
+=pod
+
+=item * &supportedlanguagecode
+
+Returns the supported language code (e.g. sptutf maps to pt) given a language
+code.
+
+=cut
+
 sub supportedlanguagecode {
     my $code=shift;
     return $supported_language{$code};
@@ -2851,6 +3500,35 @@ sub supportedlanguagecode {
 
 =pod
 
+=item * &latexlanguage()
+
+Given a language key code returns the correspondnig language to use
+to select the correct hyphenation on LaTeX printouts.  This is undef if there
+is no supported hyphenation for the language code.
+
+=cut
+
+sub latexlanguage {
+    my $code = shift;
+    return $latex_language{$code};
+}
+
+=pod
+
+=item * &latexhyphenation()
+
+Same as above but what's supplied is the language as it might be stored
+in the metadata.
+
+=cut
+
+sub latexhyphenation {
+    my $key = shift;
+    return $latex_language_bykey{$key};
+}
+
+=pod
+
 =item * &copyrightids() 
 
 returns list of all copyrights
@@ -2943,8 +3621,7 @@ sub filemimetype {
 sub filecategoryselect {
     my ($name,$value)=@_;
     return &select_form($value,$name,
-			'' => &mt('Any category'),
-			map { $_,$_ } sort(keys(%category_extensions)));
+                        {'' => &mt('Any category'), map { $_,$_ } sort(keys(%category_extensions))});
 }
 
 =pod
@@ -3030,6 +3707,29 @@ 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                     ##
 ###############################################################
@@ -3086,12 +3786,24 @@ sub get_previous_attempt {
       }
       $prevattempts=&start_data_table().&start_data_table_header_row();
       $prevattempts.='<th>'.&mt('History').'</th>';
+      my (%typeparts,%lasthidden);
+      my $showsurv=&Apache::lonnet::allowed('vas',$env{'request.course.id'});
       foreach my $key (sort(keys(%lasthash))) {
 	my ($ign,@parts) = split(/\./,$key);
 	if ($#parts > 0) {
 	  my $data=$parts[-1];
+          next if ($data eq 'foilorder');
 	  pop(@parts);
-	  $prevattempts.='<th>'.&mt('Part ').join('.',@parts).'<br />'.$data.'&nbsp;</th>';
+          $prevattempts.='<th>'.&mt('Part ').join('.',@parts).'<br />'.$data.'&nbsp;</th>';
+          if ($data eq 'type') {
+              unless ($showsurv) {
+                  my $id = join(',',@parts);
+                  $typeparts{$ign.'.'.$id} = $lasthash{$key};
+                  if (($lasthash{$key} eq 'anonsurvey') || ($lasthash{$key} eq 'anonsurveycred')) {
+                      $lasthidden{$ign.'.'.$id} = 1;
+                  }
+              }
+          } 
 	} else {
 	  if ($#parts == 0) {
 	    $prevattempts.='<th>'.$parts[0].'</th>';
@@ -3103,21 +3815,93 @@ sub get_previous_attempt {
       $prevattempts.=&end_data_table_header_row();
       if ($getattempt eq '') {
 	for ($version=1;$version<=$returnhash{'version'};$version++) {
-	  $prevattempts.=&start_data_table_row().
-	      '<td>'.&mt('Transaction [_1]',$version).'</td>';
-	    foreach my $key (sort(keys(%lasthash))) {
-		my $value = &format_previous_attempt_value($key,
-							   $returnhash{$version.':'.$key});
-		$prevattempts.='<td>'.$value.'&nbsp;</td>';   
-	    }
-	  $prevattempts.=&end_data_table_row();
+            my @hidden;
+            if (%typeparts) {
+                foreach my $id (keys(%typeparts)) {
+                    if (($returnhash{$version.':'.$id.'.type'} eq 'anonsurvey') || ($returnhash{$version.':'.$id.'.type'} eq 'anonsurveycred')) {
+                        push(@hidden,$id);
+                    }
+                }
+            }
+            $prevattempts.=&start_data_table_row().
+                           '<td>'.&mt('Transaction [_1]',$version).'</td>';
+            if (@hidden) {
+                foreach my $key (sort(keys(%lasthash))) {
+                    next if ($key =~ /\.foilorder$/);
+                    my $hide;
+                    foreach my $id (@hidden) {
+                        if ($key =~ /^\Q$id\E/) {
+                            $hide = 1;
+                            last;
+                        }
+                    }
+                    if ($hide) {
+                        my ($id,$data) = ($key =~ /^(.+)\.([^.]+)$/);
+                        if (($data eq 'award') || ($data eq 'awarddetail')) {
+                            my $value = &format_previous_attempt_value($key,
+                                             $returnhash{$version.':'.$key});
+                            $prevattempts.='<td>'.$value.'&nbsp;</td>';
+                        } else {
+                            $prevattempts.='<td>&nbsp;</td>';
+                        }
+                    } else {
+                        if ($key =~ /\./) {
+                            my $value = &format_previous_attempt_value($key,
+                                              $returnhash{$version.':'.$key});
+                            $prevattempts.='<td>'.$value.'&nbsp;</td>';
+                        } else {
+                            $prevattempts.='<td>&nbsp;</td>';
+                        }
+                    }
+                }
+            } else {
+	        foreach my $key (sort(keys(%lasthash))) {
+                    next if ($key =~ /\.foilorder$/);
+		    my $value = &format_previous_attempt_value($key,
+			            $returnhash{$version.':'.$key});
+		    $prevattempts.='<td>'.$value.'&nbsp;</td>';
+	        }
+            }
+	    $prevattempts.=&end_data_table_row();
 	 }
       }
+      my @currhidden = keys(%lasthidden);
       $prevattempts.=&start_data_table_row().'<td>'.&mt('Current').'</td>';
       foreach my $key (sort(keys(%lasthash))) {
-	my $value = &format_previous_attempt_value($key,$lasthash{$key});
-	if ($key =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)}
-	$prevattempts.='<td>'.$value.'&nbsp;</td>';
+          next if ($key =~ /\.foilorder$/);
+          if (%typeparts) {
+              my $hidden;
+              foreach my $id (@currhidden) {
+                  if ($key =~ /^\Q$id\E/) {
+                      $hidden = 1;
+                      last;
+                  }
+              }
+              if ($hidden) {
+                  my ($id,$data) = ($key =~ /^(.+)\.([^.]+)$/);
+                  if (($data eq 'award') || ($data eq 'awarddetail')) {
+                      my $value = &format_previous_attempt_value($key,$lasthash{$key});
+                      if ($key =~/$regexp$/ && (defined &$gradesub)) {
+                          $value = &$gradesub($value);
+                      }
+                      $prevattempts.='<td>'.$value.'&nbsp;</td>';
+                  } else {
+                      $prevattempts.='<td>&nbsp;</td>';
+                  }
+              } else {
+                  my $value = &format_previous_attempt_value($key,$lasthash{$key});
+                  if ($key =~/$regexp$/ && (defined &$gradesub)) {
+                      $value = &$gradesub($value);
+                  }
+                  $prevattempts.='<td>'.$value.'&nbsp;</td>';
+              }
+          } else {
+	      my $value = &format_previous_attempt_value($key,$lasthash{$key});
+	      if ($key =~/$regexp$/ && (defined &$gradesub)) {
+                  $value = &$gradesub($value);
+              }
+	      $prevattempts.='<td>'.$value.'&nbsp;</td>';
+          }
       }
       $prevattempts.= &end_data_table_row().&end_data_table();
     } else {
@@ -3136,10 +3920,33 @@ sub get_previous_attempt {
 
 sub format_previous_attempt_value {
     my ($key,$value) = @_;
-    if ($key =~ /timestamp/) {
+    if (($key =~ /timestamp/) || ($key=~/duedate/)) {
 	$value = &Apache::lonlocal::locallocaltime($value);
     } elsif (ref($value) eq 'ARRAY') {
 	$value = '('.join(', ', @{ $value }).')';
+    } elsif ($key =~ /answerstring$/) {
+        my %answers = &Apache::lonnet::str2hash($value);
+        my @anskeys = sort(keys(%answers));
+        if (@anskeys == 1) {
+            my $answer = $answers{$anskeys[0]};
+            if ($answer =~ m{\0}) {
+                $answer =~ s{\0}{,}g;
+            }
+            my $tag_internal_answer_name = 'INTERNAL';
+            if ($anskeys[0] eq $tag_internal_answer_name) {
+                $value = $answer; 
+            } else {
+                $value = $anskeys[0].'='.$answer;
+            }
+        } else {
+            foreach my $ans (@anskeys) {
+                my $answer = $answers{$ans};
+                if ($answer =~ m{\0}) {
+                    $answer =~ s{\0}{,}g;
+                }
+                $value .=  $ans.'='.$answer.'<br />';;
+            } 
+        }
     } else {
 	$value = &unescape($value);
     }
@@ -3168,7 +3975,7 @@ 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) ||
@@ -3290,10 +4097,13 @@ sub submlink {
     }
     if (!$symb) { $symb=&Apache::lonnet::symbread(); }
     $symb=&escape($symb);
-    if ($target) { $target="target=\"$target\""; }
-    return '<a href="/adm/grades?&command=submission&'.
-	'symb='.$symb.'&student='.$uname.
-	'&userdom='.$udom.'" '.$target.'>'.$text.'</a>';
+    if ($target) { $target=" target=\"$target\""; }
+    return
+        '<a href="/adm/grades?command=submission'.
+        '&amp;symb='.$symb.
+        '&amp;student='.$uname.
+        '&amp;userdom='.$udom.'"'.
+        $target.'>'.$text.'</a>';
 }
 ##############################################
 
@@ -3419,6 +4229,7 @@ sub findallcourses {
         if (!%roles) {
             %roles = (
                        cc => 1,
+                       co => 1,
                        in => 1,
                        ep => 1,
                        ta => 1,
@@ -3439,18 +4250,25 @@ sub findallcourses {
             if ($tstart) {
                 next if ($tstart > $now);
             }
-            my ($cdom,$cnum,$sec,$cnumpart,$secpart,$role,$realsec);
+            my ($cdom,$cnum,$sec,$cnumpart,$secpart,$role);
             (undef,$cdom,$cnumpart,$secpart) = split(/\//,$entry);
+            my $value = $trole.'/'.$cdom.'/';
             if ($secpart eq '') {
                 ($cnum,$role) = split(/_/,$cnumpart); 
                 $sec = 'none';
-                $realsec = '';
+                $value .= $cnum.'/';
             } else {
                 $cnum = $cnumpart;
                 ($sec,$role) = split(/_/,$secpart);
-                $realsec = $sec;
+                $value .= $cnum.'/'.$sec;
+            }
+            if (ref($courses{$cdom.'_'.$cnum}{$sec}) eq 'ARRAY') {
+                unless (grep(/^\Q$value\E$/,@{$courses{$cdom.'_'.$cnum}{$sec}})) {
+                    push(@{$courses{$cdom.'_'.$cnum}{$sec}},$value);
+                }
+            } else {
+                @{$courses{$cdom.'_'.$cnum}{$sec}} = ($value);
             }
-            $courses{$cdom.'_'.$cnum}{$sec} = $trole.'/'.$cdom.'/'.$cnum.'/'.$realsec;
         }
     } else {
         foreach my $key (keys(%env)) {
@@ -3468,11 +4286,19 @@ sub findallcourses {
                     if ($now>$endtime) { $active=0; }
                 }
                 if ($active) {
+                    my $value = $role.'/'.$cdom.'/'.$cnum.'/';
                     if ($sec eq '') {
                         $sec = 'none';
+                    } else {
+                        $value .= $sec;
+                    }
+                    if (ref($courses{$cdom.'_'.$cnum}{$sec}) eq 'ARRAY') {
+                        unless (grep(/^\Q$value\E$/,@{$courses{$cdom.'_'.$cnum}{$sec}})) {
+                            push(@{$courses{$cdom.'_'.$cnum}{$sec}},$value);
+                        }
+                    } else {
+                        @{$courses{$cdom.'_'.$cnum}{$sec}} = ($value);
                     }
-                    $courses{$cdom.'_'.$cnum}{$sec} = 
-                                     $role.'/'.$cdom.'/'.$cnum.'/'.$sec;
                 }
             }
         }
@@ -3483,7 +4309,7 @@ sub findallcourses {
 ###############################################
 
 sub blockcheck {
-    my ($setters,$activity,$uname,$udom) = @_;
+    my ($setters,$activity,$uname,$udom,$url) = @_;
 
     if (!defined($udom)) {
         $udom = $env{'user.domain'};
@@ -3495,13 +4321,14 @@ sub blockcheck {
     # If uname and udom are for a course, check for blocks in the course.
 
     if (&Apache::lonnet::is_course($udom,$uname)) {
-        my %records = &Apache::lonnet::dump('comm_block',$udom,$uname);
-        my ($startblock,$endblock)=&get_blocks($setters,$activity,$udom,$uname);
-        return ($startblock,$endblock);
+        my ($startblock,$endblock,$triggerblock) = 
+            &get_blocks($setters,$activity,$udom,$uname,$url);
+        return ($startblock,$endblock,$triggerblock);
     }
 
     my $startblock = 0;
     my $endblock = 0;
+    my $triggerblock = '';
     my %live_courses = &findallcourses(undef,$uname,$udom);
 
     # If uname is for a user, and activity is course-specific, i.e.,
@@ -3565,34 +4392,38 @@ sub blockcheck {
             if ($otheruser) {
                 # Resource belongs to user other than current user.
                 # Assemble privs for that user, and check for 'evb' priv.
-                my ($trole,$tdom,$tnum,$tsec);
-                my $entry = $live_courses{$course}{$sec};
-                if ($entry =~ /^cr/) {
-                    ($trole,$tdom,$tnum,$tsec) = 
-                      ($entry =~ m|^(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_username)/?(\w*)$|);
-                } else {
-                    ($trole,$tdom,$tnum,$tsec) = split(/\//,$entry);
-                }
-                my ($spec,$area,$trest,%allroles,%userroles);
-                $area = '/'.$tdom.'/'.$tnum;
-                $trest = $tnum;
-                if ($tsec ne '') {
-                    $area .= '/'.$tsec;
-                    $trest .= '/'.$tsec;
-                }
-                $spec = $trole.'.'.$area;
-                if ($trole =~ /^cr/) {
-                    &Apache::lonnet::custom_roleprivs(\%allroles,$trole,
-                                                      $tdom,$spec,$trest,$area);
-                } else {
-                    &Apache::lonnet::standard_roleprivs(\%allroles,$trole,
-                                                       $tdom,$spec,$trest,$area);
-                }
-                my ($author,$adv) = &Apache::lonnet::set_userprivs(\%userroles,\%allroles);
-                if ($userroles{'user.priv.'.$checkrole} =~ /evb\&([^\:]*)/) {
-                    if ($1) {
-                        $no_userblock = 1;
-                        last;
+                my (%allroles,%userroles);
+                if (ref($live_courses{$course}{$sec}) eq 'ARRAY') {
+                    foreach my $entry (@{$live_courses{$course}{$sec}}) { 
+                        my ($trole,$tdom,$tnum,$tsec);
+                        if ($entry =~ /^cr/) {
+                            ($trole,$tdom,$tnum,$tsec) = 
+                                ($entry =~ m|^(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_username)/?(\w*)$|);
+                        } else {
+                           ($trole,$tdom,$tnum,$tsec) = split(/\//,$entry);
+                        }
+                        my ($spec,$area,$trest);
+                        $area = '/'.$tdom.'/'.$tnum;
+                        $trest = $tnum;
+                        if ($tsec ne '') {
+                            $area .= '/'.$tsec;
+                            $trest .= '/'.$tsec;
+                        }
+                        $spec = $trole.'.'.$area;
+                        if ($trole =~ /^cr/) {
+                            &Apache::lonnet::custom_roleprivs(\%allroles,$trole,
+                                                              $tdom,$spec,$trest,$area);
+                        } else {
+                            &Apache::lonnet::standard_roleprivs(\%allroles,$trole,
+                                                                $tdom,$spec,$trest,$area);
+                        }
+                    }
+                    my ($author,$adv) = &Apache::lonnet::set_userprivs(\%userroles,\%allroles);
+                    if ($userroles{'user.priv.'.$checkrole} =~ /evb\&([^\:]*)/) {
+                        if ($1) {
+                            $no_userblock = 1;
+                            last;
+                        }
                     }
                 }
             } else {
@@ -3609,49 +4440,142 @@ sub blockcheck {
                  ($env{'request.role'} !~ m{^st\./\Q$cdom\E/\Q$cnum\E}));
         next if ($no_userblock);
 
-        # Retrieve blocking times and identity of blocker for course
+        # Retrieve blocking times and identity of locker for course
         # of specified user, unless user has 'evb' privilege.
         
-        my ($start,$end)=&get_blocks($setters,$activity,$cdom,$cnum);
+        my ($start,$end,$trigger) = 
+            &get_blocks($setters,$activity,$cdom,$cnum,$url);
         if (($start != 0) && 
             (($startblock == 0) || ($startblock > $start))) {
             $startblock = $start;
+            if ($trigger ne '') {
+                $triggerblock = $trigger;
+            }
         }
         if (($end != 0)  &&
             (($endblock == 0) || ($endblock < $end))) {
             $endblock = $end;
+            if ($trigger ne '') {
+                $triggerblock = $trigger;
+            }
         }
     }
-    return ($startblock,$endblock);
+    return ($startblock,$endblock,$triggerblock);
 }
 
 sub get_blocks {
-    my ($setters,$activity,$cdom,$cnum) = @_;
+    my ($setters,$activity,$cdom,$cnum,$url) = @_;
     my $startblock = 0;
     my $endblock = 0;
+    my $triggerblock = '';
     my $course = $cdom.'_'.$cnum;
     $setters->{$course} = {};
     $setters->{$course}{'staff'} = [];
     $setters->{$course}{'times'} = [];
-    my %records = &Apache::lonnet::dump('comm_block',$cdom,$cnum);
-    foreach my $record (keys(%records)) {
-        my ($start,$end) = ($record =~ m/^(\d+)____(\d+)$/);
-        if ($start <= time && $end >= time) {
-            my ($staff_name,$staff_dom,$title,$blocks) =
-                &parse_block_record($records{$record});
-            if ($blocks->{$activity} eq 'on') {
-                push(@{$$setters{$course}{'staff'}},[$staff_name,$staff_dom]);
-                push(@{$$setters{$course}{'times'}}, [$start,$end]);
-                if ( ($startblock == 0) || ($startblock > $start) ) {
-                    $startblock = $start;
+    $setters->{$course}{'triggers'} = [];
+    my (@blockers,%triggered);
+    my $now = time;
+    my %commblocks = &Apache::lonnet::get_comm_blocks($cdom,$cnum);
+    if ($activity eq 'docs') {
+        @blockers = &Apache::lonnet::has_comm_blocking('bre',undef,$url,\%commblocks);
+        foreach my $block (@blockers) {
+            if ($block =~ /^firstaccess____(.+)$/) {
+                my $item = $1;
+                my $type = 'map';
+                my $timersymb = $item;
+                if ($item eq 'course') {
+                    $type = 'course';
+                } elsif ($item =~ /___\d+___/) {
+                    $type = 'resource';
+                } else {
+                    $timersymb = &Apache::lonnet::symbread($item);
                 }
-                if ( ($endblock == 0) || ($endblock < $end) ) {
-                    $endblock = $end;
+                my $start = $env{'course.'.$cdom.'_'.$cnum.'.firstaccess.'.$timersymb};
+                my $end = $start + $env{'course.'.$cdom.'_'.$cnum.'.timerinterval.'.$timersymb};
+                $triggered{$block} = {
+                                       start => $start,
+                                       end   => $end,
+                                       type  => $type,
+                                     };
+            }
+        }
+    } else {
+        foreach my $block (keys(%commblocks)) {
+            if ($block =~ m/^(\d+)____(\d+)$/) { 
+                my ($start,$end) = ($1,$2);
+                if ($start <= time && $end >= time) {
+                    if (ref($commblocks{$block}) eq 'HASH') {
+                        if (ref($commblocks{$block}{'blocks'}) eq 'HASH') {
+                            if ($commblocks{$block}{'blocks'}{$activity} eq 'on') {
+                                unless(grep(/^\Q$block\E$/,@blockers)) {
+                                    push(@blockers,$block);
+                                }
+                            }
+                        }
+                    }
+                }
+            } elsif ($block =~ /^firstaccess____(.+)$/) {
+                my $item = $1;
+                my $timersymb = $item; 
+                my $type = 'map';
+                if ($item eq 'course') {
+                    $type = 'course';
+                } elsif ($item =~ /___\d+___/) {
+                    $type = 'resource';
+                } else {
+                    $timersymb = &Apache::lonnet::symbread($item);
+                }
+                my $start = $env{'course.'.$cdom.'_'.$cnum.'.firstaccess.'.$timersymb};
+                my $end = $start + $env{'course.'.$cdom.'_'.$cnum.'.timerinterval.'.$timersymb}; 
+                if ($start && $end) {
+                    if (($start <= time) && ($end >= time)) {
+                        unless (grep(/^\Q$block\E$/,@blockers)) {
+                            push(@blockers,$block);
+                            $triggered{$block} = {
+                                                   start => $start,
+                                                   end   => $end,
+                                                   type  => $type,
+                                                 };
+                        }
+                    }
                 }
             }
         }
     }
-    return ($startblock,$endblock);
+    foreach my $blocker (@blockers) {
+        my ($staff_name,$staff_dom,$title,$blocks) =
+            &parse_block_record($commblocks{$blocker});
+        push(@{$$setters{$course}{'staff'}},[$staff_name,$staff_dom]);
+        my ($start,$end,$triggertype);
+        if ($blocker =~ m/^(\d+)____(\d+)$/) {
+            ($start,$end) = ($1,$2);
+        } elsif (ref($triggered{$blocker}) eq 'HASH') {
+            $start = $triggered{$blocker}{'start'};
+            $end = $triggered{$blocker}{'end'};
+            $triggertype = $triggered{$blocker}{'type'};
+        }
+        if ($start) {
+            push(@{$$setters{$course}{'times'}}, [$start,$end]);
+            if ($triggertype) {
+                push(@{$$setters{$course}{'triggers'}},$triggertype);
+            } else {
+                push(@{$$setters{$course}{'triggers'}},0);
+            }
+            if ( ($startblock == 0) || ($startblock > $start) ) {
+                $startblock = $start;
+                if ($triggertype) {
+                    $triggerblock = $blocker;
+                }
+            }
+            if ( ($endblock == 0) || ($endblock < $end) ) {
+               $endblock = $end;
+               if ($triggertype) {
+                   $triggerblock = $blocker;
+               }
+            }
+        }
+    }
+    return ($startblock,$endblock,$triggerblock);
 }
 
 sub parse_block_record {
@@ -3674,103 +4598,62 @@ sub parse_block_record {
     return ($setuname,$setudom,$title,$blocks);
 }
 
-sub build_block_table {
-    my ($startblock,$endblock,$setters) = @_;
-    my %lt = &Apache::lonlocal::texthash(
-        'cacb' => 'Currently active communication blocks',
-        'cour' => 'Course',
-        'dura' => 'Duration',
-        'blse' => 'Block set by'
-    );
-    my $output;
-    $output = '<br />'.$lt{'cacb'}.':<br />';
-    $output .= &start_data_table();
-    $output .= '
-<tr>
- <th>'.$lt{'cour'}.'</th>
- <th>'.$lt{'dura'}.'</th>
- <th>'.$lt{'blse'}.'</th>
-</tr>
-';
-    foreach my $course (keys(%{$setters})) {
-        my %courseinfo=&Apache::lonnet::coursedescription($course);
-        for (my $i=0; $i<@{$$setters{$course}{staff}}; $i++) {
-            my ($uname,$udom) = @{$$setters{$course}{staff}[$i]};
-            my $fullname = &plainname($uname,$udom);
-            if (defined($env{'user.name'}) && defined($env{'user.domain'})
-                && $env{'user.name'} ne 'public' 
-                && $env{'user.domain'} ne 'public') {
-                $fullname = &aboutmewrapper($fullname,$uname,$udom);
-            }
-            my ($openblock,$closeblock) = @{$$setters{$course}{times}[$i]};
-            $openblock = &Apache::lonlocal::locallocaltime($openblock);
-            $closeblock= &Apache::lonlocal::locallocaltime($closeblock);
-            $output .= &Apache::loncommon::start_data_table_row().
-                       '<td>'.$courseinfo{'description'}.'</td>'.
-                       '<td>'.$openblock.' to '.$closeblock.'</td>'.
-                       '<td>'.$fullname.'</td>'.
-                        &Apache::loncommon::end_data_table_row();
-        }
-    }
-    $output .= &end_data_table();
-}
-
 sub blocking_status {
-    my ($activity,$uname,$udom) = @_;
+    my ($activity,$uname,$udom,$url) = @_;
     my %setters;
-    my ($blocked,$output,$ownitem,$is_course);
-    my ($startblock,$endblock)=&blockcheck(\%setters,$activity,$uname,$udom);
+
+# check for active blocking
+    my ($startblock,$endblock,$triggerblock) = 
+        &blockcheck(\%setters,$activity,$uname,$udom,$url);
+    my $blocked = 0;
     if ($startblock && $endblock) {
         $blocked = 1;
-        if (wantarray) {
-            my $category;
-            if ($activity eq 'boards') {
-                $category = 'Discussion posts in this course';
-            } elsif ($activity eq 'blogs') {
-                $category = 'Blogs';
-            } elsif ($activity eq 'port') {
-                if (defined($uname) && defined($udom)) {
-                    if ($uname eq $env{'user.name'} &&
-                        $udom eq $env{'user.domain'}) {
-                        $ownitem = 1;
-                    }
-                }
-                $is_course = &Apache::lonnet::is_course($udom,$uname);
-                if ($ownitem) { 
-                    $category = 'Your portfolio files';  
-                } elsif ($is_course) {
-                    my $coursedesc;
-                    foreach my $course (keys(%setters)) {
-                        my %courseinfo =
-                             &Apache::lonnet::coursedescription($course);
-                        $coursedesc = $courseinfo{'description'};
-                    }
-                    $category = "Group files in the course '$coursedesc'";
-                } else {
-                    $category = 'Portfolio files belonging to ';
-                    if ($env{'user.name'} eq 'public' && 
-                        $env{'user.domain'} eq 'public') {
-                        $category .= &plainname($uname,$udom);
-                    } else {
-                        $category .= &aboutmewrapper(&plainname($uname,$udom),$uname,$udom);  
-                    }
-                }
-            } elsif ($activity eq 'groups') {
-                $category = 'Groups in this course';
-            }
-            my $showstart = &Apache::lonlocal::locallocaltime($startblock);
-            my $showend = &Apache::lonlocal::locallocaltime($endblock);
-            $output = '<br />'.&mt('[_1] will be inaccessible between [_2] and [_3] because communication is being blocked.',$category,$showstart,$showend).'<br />';
-            if (!($activity eq 'port' && !($ownitem) && !($is_course))) { 
-                $output .= &build_block_table($startblock,$endblock,\%setters);
-            }
-        }
-    }
-    if (wantarray) {
-        return ($blocked,$output);
-    } else {
-        return $blocked;
     }
+
+# caller just wants to know whether a block is active
+    if (!wantarray) { return $blocked; }
+
+# build a link to a popup window containing the details
+    my $querystring  = "?activity=$activity";
+# $uname and $udom decide whose portfolio the user is trying to look at
+    if ($activity eq 'port') {
+        $querystring .= "&amp;udom=$udom"      if $udom;
+        $querystring .= "&amp;uname=$uname"    if $uname;
+    } elsif ($activity eq 'docs') {
+        $querystring .= '&amp;url='.&HTML::Entities::encode($url,'&"');
+    }
+
+    my $output .= <<'END_MYBLOCK';
+function openWindow(url, wdwName, w, h, toolbar,scrollbar) {
+    var options = "width=" + w + ",height=" + h + ",";
+    options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
+    options += "menubar=no,toolbar="+toolbar+",location=no,directories=no";
+    var newWin = window.open(url, wdwName, options);
+    newWin.focus();
+}
+END_MYBLOCK
+
+    $output = Apache::lonhtmlcommon::scripttag($output);
+  
+    my $popupUrl = "/adm/blockingstatus/$querystring";
+    my $text = &mt('Communication Blocked');
+    if ($activity eq 'docs') {
+        $text = &mt('Content Access Blocked');
+    } elsif ($activity eq 'printout') {
+        $text = &mt('Printing Blocked');
+    }
+    $output .= <<"END_BLOCK";
+<div class='LC_comblock'>
+  <a onclick='openWindow("$popupUrl","Blocking Table",600,300,"no","no");return false;' href='/adm/blockingstatus/$querystring'
+  title='$text'>
+  <img class='LC_noBorder LC_middle' title='$text' src='/res/adm/pages/comblock.png' alt='$text'/></a>
+  <a onclick='openWindow("$popupUrl","Blocking Table",600,300,"no","no");return false;' href='/adm/blockingstatus/$querystring' 
+  title='$text'>$text</a>
+</div>
+
+END_BLOCK
+
+    return ($blocked, $output);
 }
 
 ###############################################
@@ -3848,7 +4731,7 @@ 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'}; 
@@ -3871,16 +4754,38 @@ sub get_domainconf {
     if (defined($cached)) { return %{$result}; }
 
     my %domconfig = &Apache::lonnet::get_dom('configuration',
-					     ['login','rolecolors'],$udom);
+					     ['login','rolecolors','autoenroll'],$udom);
     my (%designhash,%legacy);
     if (keys(%domconfig) > 0) {
         if (ref($domconfig{'login'}) eq 'HASH') {
             if (keys(%{$domconfig{'login'}})) {
                 foreach my $key (keys(%{$domconfig{'login'}})) {
                     if (ref($domconfig{'login'}{$key}) eq 'HASH') {
-                        foreach my $img (keys(%{$domconfig{'login'}{$key}})) {
-                            $designhash{$udom.'.login.'.$key.'_'.$img} = 
-                                $domconfig{'login'}{$key}{$img};
+                        if ($key eq 'loginvia') {
+                            if (ref($domconfig{'login'}{'loginvia'}) eq 'HASH') {
+                                foreach my $hostname (keys(%{$domconfig{'login'}{'loginvia'}})) {
+                                    if (ref($domconfig{'login'}{'loginvia'}{$hostname}) eq 'HASH') {
+                                        if ($domconfig{'login'}{'loginvia'}{$hostname}{'server'}) {
+                                            my $server = $domconfig{'login'}{'loginvia'}{$hostname}{'server'};
+                                            $designhash{$udom.'.login.loginvia'} = $server;
+                                            if ($domconfig{'login'}{'loginvia'}{$hostname}{'serverpath'} eq 'custom') {
+
+                                                $designhash{$udom.'.login.loginvia_'.$hostname} = $server.':'.$domconfig{'login'}{'loginvia'}{$hostname}{'custompath'};
+                                            } else {
+                                                $designhash{$udom.'.login.loginvia_'.$hostname} = $server.':'.$domconfig{'login'}{'loginvia'}{$hostname}{'serverpath'};
+                                            }
+                                            if ($domconfig{'login'}{'loginvia'}{$hostname}{'exempt'}) {
+                                                $designhash{$udom.'.login.loginvia_exempt_'.$hostname} = $domconfig{'login'}{'loginvia'}{$hostname}{'exempt'};
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        } else {
+                            foreach my $img (keys(%{$domconfig{'login'}{$key}})) {
+                                $designhash{$udom.'.login.'.$key.'_'.$img} = 
+                                    $domconfig{'login'}{$key}{$img};
+                            }
                         }
                     } else {
                         $designhash{$udom.'.login.'.$key}=$domconfig{'login'}{$key};
@@ -3907,6 +4812,11 @@ sub get_domainconf {
         } else {
             $legacy{'rolecolors'} = 1;
         }
+        if (ref($domconfig{'autoenroll'}) eq 'HASH') {
+            if ($domconfig{'autoenroll'}{'co-owners'}) {
+                $designhash{$udom.'.autoassign.co-owners'}=$domconfig{'autoenroll'}{'co-owners'};
+            }
+        }
         if (keys(%legacy) > 0) {
             my %legacyhash = &get_legacy_domconf($udom);
             foreach my $item (keys(%legacyhash)) {
@@ -3945,7 +4855,7 @@ sub get_legacy_domconf {
             close($fh);
         }
     }
-    if (-e '/home/httpd/html/adm/lonDomLogos/'.$udom.'.gif') {
+    if (-e $Apache::lonnet::perlvar{'lonDocRoot'}.'/adm/lonDomLogos/'.$udom.'.gif') {
         $legacyhash{$udom.'.login.domlogo'} = "/adm/lonDomLogos/$udom.gif";
     }
     return %legacyhash;
@@ -3999,41 +4909,156 @@ Returns: value of designparamter $which
 ##############################################
 sub designparm {
     my ($which,$domain)=@_;
-    if ($env{'browser.blackwhite'} eq 'on') {
-	if ($which=~/\.(font|alink|vlink|link|textcol)$/) {
-	    return '#000000';
-	}
-	if ($which=~/\.(pgbg|sidebg|bgcol)$/) {
-	    return '#FFFFFF';
-	}
-	if ($which=~/\.tabbg$/) {
-	    return '#CCCCCC';
-	}
-    }
     if (exists($env{'environment.color.'.$which})) {
-	return $env{'environment.color.'.$which};
+        return $env{'environment.color.'.$which};
     }
     $domain=&determinedomain($domain);
-    my %domdesign = &get_domainconf($domain);
+    my %domdesign;
+    unless ($domain eq 'public') {
+        %domdesign = &get_domainconf($domain);
+    }
     my $output;
     if ($domdesign{$domain.'.'.$which} ne '') {
-	$output = $domdesign{$domain.'.'.$which};
+        $output = $domdesign{$domain.'.'.$which};
     } else {
         $output = $defaultdesign{$which};
     }
     if (($which =~ /^(student|coordinator|author|admin)\.img$/) ||
         ($which =~ /login\.(img|logo|domlogo|login)/)) {
         if ($output =~ m{^/(adm|res)/}) {
-	    if ($output =~ m{^/res/}) {
-		my $local_name = &Apache::lonnet::filelocation('',$output);
-		&Apache::lonnet::repcopy($local_name);
-	    }
+            if ($output =~ m{^/res/}) {
+                my $local_name = &Apache::lonnet::filelocation('',$output);
+                &Apache::lonnet::repcopy($local_name);
+            }
             $output = &lonhttpdurl($output);
         }
     }
     return $output;
 }
 
+##############################################
+=pod
+
+=item * &authorspace()
+
+Inputs: $url (usually will be undef).
+
+Returns: Path to Authoring Space containing the resource or 
+         directory being viewed (or for which action is being taken). 
+         If $url is provided, and begins /priv/<domain>/<uname>
+         the path will be that portion of the $context argument.
+         Otherwise the path will be for the author space of the current
+         user when the current role is author, or for that of the 
+         co-author/assistant co-author space when the current role 
+         is co-author or assistant co-author.
+
+=cut
+
+sub authorspace {
+    my ($url) = @_;
+    if ($url ne '') {
+        if ($url =~ m{^(/priv/$match_domain/$match_username/)}) {
+           return $1;
+        }
+    }
+    my $caname = '';
+    my $cadom = '';
+    if ($env{'request.role'} =~ /^(?:ca|aa)/) {
+        ($cadom,$caname) =
+            ($env{'request.role'}=~/($match_domain)\/($match_username)$/);
+    } elsif ($env{'request.role'} =~ m{^au\./($match_domain)/}) {
+        $caname = $env{'user.name'};
+        $cadom = $env{'user.domain'};
+    }
+    if (($caname ne '') && ($cadom ne '')) {
+        return "/priv/$cadom/$caname/";
+    }
+    return;
+}
+
+##############################################
+=pod
+
+=item * &head_subbox()
+
+Inputs: $content (contains HTML code with page functions, etc.)
+
+Returns: HTML div with $content
+         To be included in page header
+
+=cut
+
+sub head_subbox {
+    my ($content)=@_;
+    my $output =
+        '<div class="LC_head_subbox">'
+       .$content
+       .'</div>'
+}
+
+##############################################
+=pod
+
+=item * &CSTR_pageheader()
+
+Input: (optional) filename from which breadcrumb trail is built.
+       In most cases no input as needed, as $env{'request.filename'}
+       is appropriate for use in building the breadcrumb trail.
+
+Returns: HTML div with CSTR path and recent box
+         To be included on Authoring Space pages
+
+=cut
+
+sub CSTR_pageheader {
+    my ($trailfile) = @_;
+    if ($trailfile eq '') {
+        $trailfile = $env{'request.filename'};
+    }
+
+# this is for resources; directories have customtitle, and crumbs
+# and select recent are created in lonpubdir.pm
+
+    my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
+    my ($udom,$uname,$thisdisfn)=
+        ($trailfile =~ m{^\Q$londocroot\E/priv/([^/]+)/([^/]+)(?:|/(.*))$});
+    my $formaction = "/priv/$udom/$uname/$thisdisfn";
+    $formaction =~ s{/+}{/}g;
+
+    my $parentpath = '';
+    my $lastitem = '';
+    if ($thisdisfn =~ m-(.+/)([^/]*)$-) {
+        $parentpath = $1;
+        $lastitem = $2;
+    } else {
+        $lastitem = $thisdisfn;
+    }
+
+    my $output =
+         '<div>'
+        .&Apache::loncommon::help_open_menu('','',3,'Authoring') #FIXME: Broken? Where is it?
+        .'<b>'.&mt('Authoring Space:').'</b> '
+        .'<form name="dirs" method="post" action="'.$formaction
+        .'" target="_top">' #FIXME lonpubdir: target="_parent"
+        .&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv/'.$udom,undef,undef);
+
+    if ($lastitem) {
+        $output .=
+             '<span class="LC_filename">'
+            .$lastitem
+            .'</span>';
+    }
+    $output .=
+         '<br />'
+        #FIXME lonpubdir: &Apache::lonhtmlcommon::crumbs($uname.$thisdisfn.'/','_top','/priv','','+1',1)."</b></tt><br />"
+        .&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()')
+        .'</form>'
+        .&Apache::lonmenu::constspaceform()
+        .'</div>';
+
+    return $output;
+}
+
 ###############################################
 ###############################################
 
@@ -4066,26 +5091,21 @@ Inputs:
 =item * $forcereg, if page should register as content page (relevant for 
             text interface only)
 
-=item * $customtitle, alternate text to use instead of $title
-                      in the title box that appears, this text
-                      is not auto translated like the $title is
-
-=item * $notopbar, if true, keep the 'what is this' info but remove the
-                   navigational links
+=item * $no_nav_bar, if true, keep the 'what is this' info but remove the
+                     navigational links
 
 =item * $bgcolor, used to override the bgcolor on a webpage to a specific value
 
-=item * $notitle, if true keep the nav controls, but remove the title bar
-
-=item * $no_inline_link, if true and in remote mode, don't show the 
-         'Switch To Inline Menu' link
-
 =item * $args, optional argument valid values are
             no_auto_mt_title -> prevents &mt()ing the title arg
             inherit_jsmath -> when creating popup window in a page,
                               should it have jsmath forced on by the
                               current page
 
+=item * $advtoolsref, optional argument, ref to an array containing
+            inlineremote items to be added in "Functions" menu below
+            breadcrumbs.
+
 =back
 
 Returns: A uniform header for LON-CAPA web pages.  
@@ -4096,17 +5116,23 @@ other decorations will be returned.
 =cut
 
 sub bodytag {
-    my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,$customtitle,
-	$notopbar,$bgcolor,$notitle,$no_inline_link,$args)=@_;
+    my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,
+        $no_nav_bar,$bgcolor,$args,$advtoolsref)=@_;
 
+    my $public;
+    if ((($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public'))
+        || ($env{'user.name'} eq '') && ($env{'user.domain'} eq '')) {
+        $public = 1;
+    }
     if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
+    my $httphost = $args->{'use_absolute'};
 
     $function = &get_users_function() if (!$function);
     my $img =    &designparm($function.'.img',$domain);
     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',$domain),
@@ -4125,14 +5151,15 @@ sub bodytag {
         if ($env{'request.role'} !~ /^cr/) {
             $role = &Apache::lonnet::plaintext($role,&course_type());
         }
+        if ($env{'request.course.sec'}) {
+            $role .= ('&nbsp;'x2).'-&nbsp;'.&mt('section:').'&nbsp;'.$env{'request.course.sec'};
+        }   
 	$realm = $env{'course.'.$env{'request.course.id'}.'.description'};
     } else {
         $role = &Apache::lonnet::plaintext($role);
     }
 
     if (!$realm) { $realm='&nbsp;'; }
-# Set messages
-    my $messages=&domainlogo($domain);
 
     my $extra_body_attr = &make_attr_string($forcereg,\%design);
 
@@ -4140,44 +5167,17 @@ sub bodytag {
     my $bodytag = "<body $extra_body_attr>".
 	&Apache::lontexconvert::init_math_support($args->{'inherit_jsmath'});
 
-    if ($bodyonly) {
+    &get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['inhibitmenu']);
+
+    if (($bodyonly) || ($no_nav_bar) || ($env{'form.inhibitmenu'} eq 'yes')) {
         return $bodytag;
-    } elsif ($env{'browser.interface'} eq 'textual') {
-# Accessibility
-          
-	$bodytag.=&Apache::lonmenu::menubuttons($forcereg,$forcereg);
-	if (!$notitle) {
-	    $bodytag.='<h1>LON-CAPA: '.$title.'</h1>';
-	}
-	return $bodytag;
     }
 
-    my $name = &plainname($env{'user.name'},$env{'user.domain'});
-    if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
+    if ($public) {
 	undef($role);
-    } else {
-	$name = &aboutmewrapper($name,$env{'user.name'},$env{'user.domain'});
     }
     
-    my $roleinfo=(<<ENDROLE);
-<td class="LC_title_bar_who">
-<div class="LC_title_bar_name">
-    $name
-    &nbsp;
-</div>
-<div class="LC_title_bar_role">
-$role&nbsp;
-</div>
-<div class="LC_title_bar_realm">
-$realm&nbsp;
-</div>
-</td>
-ENDROLE
-
-    my $titleinfo = '<span class="LC_title_bar_title">'.$title.'</span>';
-    if ($customtitle) {
-        $titleinfo = $customtitle;
-    }
+    my $titleinfo = '<h1>'.$title.'</h1>';
     #
     # Extra info if you are the DC
     my $dc_info = '';
@@ -4185,93 +5185,77 @@ ENDROLE
                         $env{'course.'.$env{'request.course.id'}.
                                  '.domain'}.'/'})) {
         my $cid = $env{'request.course.id'};
-        $dc_info.= $cid.' '.$env{'course.'.$cid.'.internal.coursecode'};
+        $dc_info = $cid.' '.$env{'course.'.$cid.'.internal.coursecode'};
         $dc_info =~ s/\s+$//;
-        $dc_info = '('.$dc_info.')';
     }
 
-    if (($env{'environment.remote'} eq 'off') || ($args->{'suppress_header_logos'})) {
-        # No Remote
-	if ($env{'request.state'} eq 'construct') {
-	    $forcereg=1;
-	}
-
-	if (!$customtitle && $env{'request.state'} eq 'construct') {
-	    # this is for resources; directories have customtitle, and crumbs
-            # and select recent are created in lonpubdir.pm  
-	    my ($uname,$thisdisfn)=
-		($env{'request.filename'} =~ m|^/home/([^/]+)/public_html/(.*)|);
-	    my $formaction='/priv/'.$uname.'/'.$thisdisfn;
-	    $formaction=~s/\/+/\//g;
-
-	    my $parentpath = '';
-	    my $lastitem = '';
-	    if ($thisdisfn =~ m-(.+/)([^/]*)$-) {
-		$parentpath = $1;
-		$lastitem = $2;
-	    } else {
-		$lastitem = $thisdisfn;
-	    }
-	    $titleinfo = 
-		&Apache::loncommon::help_open_menu('','',3,'Authoring')
-		.'<b>'.&mt('Construction Space').'</b>:&nbsp;'
-		.'<form name="dirs" method="post" action="'.$formaction
-		.'" target="_top"><tt><b>'
-		.&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv','','+1',1)."<span class=\"LC_fontsize_big\">$lastitem</span></b></tt><br />"
-		.&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()')
-		.'</form>'
-		.&Apache::lonmenu::constspaceform();
-        }
-
-        my $titletable;
-	if (!$notitle) {
-	    $titletable =
-		'<table id="LC_title_bar">'.
-                         "<tr><td> $titleinfo $dc_info</td>".$roleinfo.
-			 '</tr></table>';
-	}
-	if ($notopbar) {
-	    $bodytag .= $titletable;
-	} else {
-	    if ($env{'request.state'} eq 'construct') {
-                $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg,
-							  $titletable);
+    $role = '<span class="LC_nobreak">('.$role.')</span>' if $role;
+
+        if ($env{'request.state'} eq 'construct') { $forcereg=1; }
+
+        #    if ($env{'request.state'} eq 'construct') {
+        #        $titleinfo = &CSTR_pageheader(); #FIXME: Will be removed once all scripts have their own calls
+        #    }
+
+        $bodytag .= Apache::lonhtmlcommon::scripttag(
+            Apache::lonmenu::utilityfunctions($httphost), 'start');
+
+        my ($left,$right) = Apache::lonmenu::primary_menu();
+
+        if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) {
+             if ($dc_info) {
+                 $dc_info = qq|<span class="LC_cusr_subheading">$dc_info</span>|;
+             }
+             $bodytag .= qq|<div id="LC_nav_bar">$left $role<br />
+                <em>$realm</em> $dc_info</div>|;
+            return $bodytag;
+        }
+
+        unless ($env{'request.symb'} =~ m/\.page___\d+___/) {
+            $bodytag .= qq|<div id="LC_nav_bar">$left $role</div>|;
+        }
+
+        $bodytag .= $right;
+
+        if ($dc_info) {
+            $dc_info = &dc_courseid_toggle($dc_info);
+        }
+        $bodytag .= qq|<div id="LC_realm">$realm $dc_info</div>|;
+
+        #don't show menus for public users
+        if (!$public){
+            $bodytag .= Apache::lonmenu::secondary_menu($httphost);
+            $bodytag .= Apache::lonmenu::serverform();
+            $bodytag .= Apache::lonhtmlcommon::scripttag('', 'end');
+            if ($env{'request.state'} eq 'construct') {
+                $bodytag .= &Apache::lonmenu::innerregister($forcereg,
+                                $args->{'bread_crumbs'});
+            } elsif ($forcereg) {
+                $bodytag .= &Apache::lonmenu::innerregister($forcereg,undef,
+                                                            $args->{'group'});
             } else {
-                $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg).
-		    $titletable;
-            }
+                $bodytag .= 
+                    &Apache::lonmenu::prepare_functions($env{'request.noversionuri'},
+                                                        $forcereg,$args->{'group'},
+                                                        $args->{'bread_crumbs'},
+                                                        $advtoolsref);
+            }
+        }else{
+            # this is to seperate menu from content when there's no secondary
+            # menu. Especially needed for public accessible ressources.
+            $bodytag .= '<hr style="clear:both" />';
+            $bodytag .= Apache::lonhtmlcommon::scripttag('', 'end'); 
         }
-        return $bodytag;
-    }
 
-#
-# Top frame rendering, Remote is up
-#
+        return $bodytag;
+}
 
-    my $imgsrc = $img;
-    if ($img =~ /^\/adm/) {
-        $imgsrc = &lonhttpdurl($img);
-    }
-    my $upperleft='<img src="'.$imgsrc.'" alt="'.$function.'" />';
-
-    # Explicit link to get inline menu
-    my $menu= ($no_inline_link?''
-	       :'<br /><a href="/adm/remote?action=collapse">'.&mt('Switch to Inline Menu Mode').'</a>');
-    #
-    if ($notitle) {
-	return $bodytag;
-    }
-    return(<<ENDBODY);
-$bodytag
-<table id="LC_title_bar" class="LC_with_remote">
-<tr><td class="LC_title_bar_role_logo">$upperleft</td>
-    <td class="LC_title_bar_domain_logo">$messages&nbsp;</td>
-</tr>
-<tr><td>$titleinfo $dc_info $menu</td>
-$roleinfo
-</tr>
-</table>
-ENDBODY
+sub dc_courseid_toggle {
+    my ($dc_info) = @_;
+    return ' <span id="dccidtext" class="LC_cusr_subheading LC_nobreak">'.
+           '<a href="javascript:showCourseID();" class="LC_menubuttons_link">'.
+           &mt('(More ...)').'</a></span>'.
+           '<div id="dccid" class="LC_dccid">'.$dc_info.'</div>';
 }
 
 sub make_attr_string {
@@ -4295,35 +5279,12 @@ sub make_attr_string {
 		delete($attr_ref->{$key});
 	    }
 	}
-	$attr_ref->{'onload'}  =
-	    &Apache::lonmenu::loadevents().  $on_load;
-	$attr_ref->{'onunload'}=
-	    &Apache::lonmenu::unloadevents().$on_unload;
-    }
-
-# Accessibility font enhance
-    if ($env{'browser.fontenhance'} eq 'on') {
-	my $style;
-	foreach my $key (keys(%{$attr_ref})) {
-	    if (lc($key) eq 'style') {
-		$style.=$attr_ref->{$key}.';';
-		delete($attr_ref->{$key});
-	    }
-	}
-	$attr_ref->{'style'}=$style.'; font-size: x-large;';
-    }
-
-    if ($env{'browser.blackwhite'} eq 'on') {
-	delete($attr_ref->{'font'});
-	delete($attr_ref->{'link'});
-	delete($attr_ref->{'alink'});
-	delete($attr_ref->{'vlink'});
-	delete($attr_ref->{'bgcolor'});
-	delete($attr_ref->{'background'});
+	$attr_ref->{'onload'}  = $on_load;
+	$attr_ref->{'onunload'}= $on_unload;
     }
 
     my $attr_string;
-    foreach my $attr (keys(%$attr_ref)) {
+    foreach my $attr (sort(keys(%$attr_ref))) {
 	$attr_string .= " $attr=\"".$attr_ref->{$attr}.'" ';
     }
     return $attr_string;
@@ -4349,7 +5310,10 @@ i.e., $env{'internal.head.redirect'} exi
 
 sub endbodytag {
     my ($args) = @_;
-    my $endbodytag='</body>';
+    my $endbodytag;
+    unless ((ref($args) eq 'HASH') && ($args->{'notbody'})) {
+        $endbodytag='</body>';
+    }
     $endbodytag=&Apache::lontexconvert::jsMath_process()."\n".$endbodytag;
     if ( exists( $env{'internal.head.redirect'} ) ) {
         if (!(ref($args) eq 'HASH' && $args->{'noredirectlink'})) {
@@ -4382,6 +5346,8 @@ sub standard_css {
     my $img    = &designparm($function.'.img',   $domain);
     my $tabbg  = &designparm($function.'.tabbg', $domain);
     my $font   = &designparm($function.'.font',  $domain);
+    my $fontmenu = &designparm($function.'.fontmenu', $domain);
+#second colour for later usage
     my $sidebg = &designparm($function.'.sidebg',$domain);
     my $pgbg_or_bgcolor =
 	         $bgcolor ||
@@ -4391,13 +5357,11 @@ sub standard_css {
     my $vlink  = &designparm($function.'.vlink', $domain);
     my $link   = &designparm($function.'.link',  $domain);
 
-    my $loginbg = &designparm('login.sidebg',$domain);
-
     my $sans                 = 'Verdana,Arial,Helvetica,sans-serif';
     my $mono                 = 'monospace';
-    my $data_table_head      = $tabbg;
-    my $data_table_light     = '#EEEEEE';
-    my $data_table_dark      = '#DDDDDD';
+    my $data_table_head      = $sidebg;
+    my $data_table_light     = '#FAFAFA';
+    my $data_table_dark      = '#E0E0E0';
     my $data_table_darker    = '#CCCCCC';
     my $data_table_highlight = '#FFFF00';
     my $mail_new             = '#FFBB77';
@@ -4410,49 +5374,99 @@ sub standard_css {
     my $mail_other_hover     = '#669999';
     my $table_header         = '#DDDDDD';
     my $feedback_link_bg     = '#BBBBBB';
-    my $lg_border_color	     = '#C8C8C8';
+    my $lg_border_color      = '#C8C8C8';
+    my $button_hover         = '#BF2317';
 
     my $border = ($env{'browser.type'} eq 'explorer' ||
-		  $env{'browser.type'} eq 'safari'     ) ? '0px 2px 0px 2px'
-	                                                 : '0px 3px 0px 4px';
+      $env{'browser.type'} eq 'safari'     ) ? '0 2px 0 2px'
+                                             : '0 3px 0 4px';
 
 
     return <<END;
-body{
-     font-family: $sans;
-     line-height:130%;
-     font-size:0.83em;
-     color:$font;
-  }
-a:link, a:visited { font-size:100%; }
 
-a:focus { color: red; background: yellow } 
-table.thinborder,
-table.thinborder tr th {
-  border-style: solid;
-  border-width: 1px;
-  border-color: $lg_border_color;
-  background: $tabbg;
+/* needed for iframe to allow 100% height in FF */
+body, html { 
+    margin: 0;
+    padding: 0 0.5%;
+    height: 99%; /* to avoid scrollbars */
 }
-table.thinborder tr td {
-  border-style: solid;
-  border-width: 1px;
-  border-color: $lg_border_color;
+
+body {
+  font-family: $sans;
+  line-height:130%;
+  font-size:0.83em;
+  color:$font;
+}
+
+a:focus,
+a:focus img {
+  color: red;
+}
+
+form, .inline {
+  display: inline;
+}
+
+.LC_right {
+  text-align:right;
+}
+
+.LC_middle {
+  vertical-align:middle;
+}
+
+.LC_floatleft {
+  float: left;
+}
+
+.LC_floatright {
+  float: right;
+}
+
+.LC_400Box {
+  width:400px;
+}
+
+.LC_iframecontainer {
+    width: 98%;
+    margin: 0;
+    position: fixed;
+    top: 8.5em;
+    bottom: 0;
+}
+
+.LC_iframecontainer iframe{
+    border: none;
+    width: 100%;
+    height: 100%;
+}
+
+.LC_filename {
+  font-family: $mono;
+  white-space:pre;
+  font-size: 120%;
+}
+
+.LC_fileicon {
+  border: none;
+  height: 1.3em;
+  vertical-align: text-bottom;
+  margin-right: 0.3em;
+  text-decoration:none;
+}
+
+.LC_setting {
+  text-decoration:underline;
 }
 
-form, .inline { display: inline; }
-.center { text-align: center; }
-.left { text-align:left; }
-.right {text-align:right;}
-.middle {vertical-align:middle;}
-.top {vertical-align:top;}
-.bottom {vertical-align:bottom;}
-.LC_filename {font-family: $mono; white-space:pre;}
 .LC_error {
   color: red;
-  font-size: larger;
 }
-.LC_warning,
+
+.LC_warning {
+  color: darkorange;
+}
+
 .LC_diff_removed {
   color: red;
 }
@@ -4462,25 +5476,65 @@ form, .inline { display: inline; }
 .LC_diff_added {
   color: green;
 }
-.LC_unknown {
-  color: yellow;
+
+div.LC_confirm_box {
+  background-color: #FAFAFA;
+  border: 1px solid $lg_border_color;
+  margin-right: 0;
+  padding: 5px;
 }
 
-.LC_icon {
-  border: 0px;
+div.LC_confirm_box .LC_error img,
+div.LC_confirm_box .LC_success img {
+  vertical-align: middle;
 }
-.LC_indexer_icon {
-  border: 0px;
-  height: 22px;
+
+.LC_icon {
+  border: none;
+  vertical-align: middle;
 }
+
 .LC_docs_spacer {
   width: 25px;
   height: 1px;
-  border: 0px;
+  border: none;
 }
 
 .LC_internal_info {
-  color: #999;
+  color: #999999;
+}
+
+.LC_discussion {
+  background: $data_table_dark;
+  border: 1px solid black;
+  margin: 2px;
+}
+
+.LC_disc_action_left {
+  background: $sidebg;
+  text-align: left;
+  padding: 4px;
+  margin: 2px;
+}
+
+.LC_disc_action_right {
+  background: $sidebg;
+  text-align: right;
+  padding: 4px;
+  margin: 2px;
+}
+
+.LC_disc_new_item {
+  background: white;
+  border: 2px solid red;
+  margin: 4px;
+  padding: 4px;
+}
+
+.LC_disc_old_item {
+  background: white;
+  margin: 4px;
+  padding: 4px;
 }
 
 table.LC_pastsubmission {
@@ -4488,256 +5542,254 @@ table.LC_pastsubmission {
   margin: 2px;
 }
 
-table#LC_top_nav, table#LC_menubuttons,table#LC_nav_location {
+table#LC_menubuttons {
   width: 100%;
   background: $pgbg;
   border: 2px;
   border-collapse: separate;
-  padding: 0px;
+  padding: 0;
 }
 
-table#LC_title_bar, table.LC_breadcrumbs, 
+table#LC_title_bar a {
+  color: $fontmenu;
+}
+
+table#LC_title_bar {
+  clear: both;
+  display: none;
+}
+
+table#LC_title_bar,
+table.LC_breadcrumbs, /* obsolete? */
 table#LC_title_bar.LC_with_remote {
   width: 100%;
   border-color: $pgbg;
   border-style: solid;
   border-width: $border;
-
-  background: $pgbg;
-  font-family: $sans;
-  border-collapse: collapse;
-  padding: 0px;
-}
-table.LC_docs_path {
-  width: 100%;
-  border: 0;
   background: $pgbg;
-  font-family: $sans;
+  color: $fontmenu;
   border-collapse: collapse;
-  padding: 0px;
+  padding: 0;
+  margin: 0;
 }
 
-table#LC_title_bar td {
-  background: $tabbg;
+ul.LC_breadcrumb_tools_outerlist {
+    margin: 0;
+    padding: 0;
+    position: relative;
+    list-style: none;
 }
-table#LC_title_bar td.LC_title_bar_who {
-  background: $tabbg;
-  color: $font;
-  font: small $sans;
-  text-align: right;
-}
-span.LC_metadata {
-    font-family: $sans;
-}
-span.LC_title_bar_title {
-  font: bold x-large $sans;
-}
-table#LC_title_bar td.LC_title_bar_domain_logo {
-  background: $sidebg;
-  text-align: right;
-  padding: 0px;
-}
-table#LC_title_bar td.LC_title_bar_role_logo {
-  background: $sidebg;
-  padding: 0px;
+ul.LC_breadcrumb_tools_outerlist li {
+    display: inline;
 }
 
-table#LC_menubuttons img{
-  border: 0px;
+.LC_breadcrumb_tools_navigation {
+    padding: 0;
+    margin: 0;
+    float: left;
 }
-table#LC_top_nav td {
-  background: $tabbg;
-  border: 0px;
-  font-size: small;
-  vertical-align:top;
-  padding:2px 5px 2px 5px;
-}
-table#LC_top_nav td a, div#LC_top_nav a {
-  color: $font;
-  font-family: $sans;
+.LC_breadcrumb_tools_tools {
+    padding: 0;
+    margin: 0;
+    float: right;
 }
-table#LC_top_nav td.LC_top_nav_logo {
+
+table#LC_title_bar td {
   background: $tabbg;
-  text-align: left;
-  white-space: nowrap;
-  width: 31px;
 }
-table#LC_top_nav td.LC_top_nav_logo img {
-  border: 0px;
-  vertical-align: bottom;
-}
-table#LC_top_nav td.LC_top_nav_exit,
-table#LC_top_nav td.LC_top_nav_help {
-  width: 2.0em;
-}
-table#LC_top_nav td.LC_top_nav_login {
-  width: 4.0em;
-  text-align: center;
+
+table#LC_menubuttons img {
+  border: none;
 }
-table.LC_breadcrumbs td, table.LC_docs_path td  {
-  background: $tabbg;
-  color: $font;
-  font-family: $sans;
-  font-size: smaller;
+
+.LC_breadcrumbs_component {
+  float: right;
+  margin: 0 1em;
 }
-table.LC_breadcrumbs td.LC_breadcrumbs_component,
-table.LC_docs_path td.LC_docs_path_component {
-  background: $tabbg;
-  color: $font;
-  font-family: $sans;
-  font-size: larger;
-  text-align: right;
+.LC_breadcrumbs_component img {
+  vertical-align: middle;
 }
+
 td.LC_table_cell_checkbox {
   text-align: center;
 }
-table#LC_mainmenu td.LC_mainmenu_column {
-    vertical-align: top;
+
+.LC_fontsize_small {
+  font-size: 70%;
 }
 
-.LC_fontsize_small
-{
- font-size: 70%;
+#LC_breadcrumbs {
+  clear:both;
+  background: $sidebg;
+  border-bottom: 1px solid $lg_border_color;
+  line-height: 2.5em;
+  overflow: hidden;
+  margin: 0;
+  padding: 0;
+  text-align: left;
 }
 
-.LC_fontsize_medium
-{
- font-size: 85%;
+.LC_head_subbox, .LC_actionbox {
+  clear:both;
+  background: #F8F8F8; /* $sidebg; */
+  border: 1px solid $sidebg;
+  margin: 0 0 10px 0;
+  padding: 3px;
+  text-align: left;
 }
 
-.LC_fontsize_large
-{
- font-size: 120%;
+.LC_fontsize_medium {
+  font-size: 85%;
 }
 
-.LC_fontcolor_red
-{
- color: #FF0000;
+.LC_fontsize_large {
+  font-size: 120%;
 }
 
 .LC_menubuttons_inline_text {
   color: $font;
-  font-family: $sans;
   font-size: 90%;
   padding-left:3px;
 }
 
+.LC_menubuttons_inline_text img{
+  vertical-align: middle;
+}
+
+li.LC_menubuttons_inline_text img {
+  cursor:pointer;
+  text-decoration: none;
+}
+
 .LC_menubuttons_link {
   text-decoration: none;
 }
-/*2008--9-5: new menu style sheet.Changed category*/
+
 .LC_menubuttons_category {
   color: $font;
   background: $pgbg;
-  font-family: $sans;
   font-size: larger;
   font-weight: bold;
 }
 
 td.LC_menubuttons_text {
- 	color: $font; 	
+  color: $font;
 }
 
-
-
 .LC_current_location {
-  font-family: $sans;
-  background: $tabbg;
-}
-.LC_new_mail {
-  font-family: $sans;
   background: $tabbg;
-  font-weight: bold;
-}
-
-
-.LC_dropadd_labeltext {
-  font-family: $sans;
-  text-align: right;
-}
-
-.LC_preferences_labeltext {
-  font-family: $sans;
-  text-align: right;
-}
-
-.LC_roleslog_note {
-  font-size: small;
 }
 
-table.LC_aboutme_port {
-  border: 0px;
-  border-collapse: collapse;
-  border-spacing: 0px;
-}
-table.LC_data_table, table.LC_mail_list {
+table.LC_data_table {
   border: 1px solid #000000;
   border-collapse: separate;
   border-spacing: 1px;
   background: $pgbg;
 }
+
 .LC_data_table_dense {
   font-size: small;
 }
+
 table.LC_nested_outer {
   border: 1px solid #000000;
   border-collapse: collapse;
-  border-spacing: 0px;
+  border-spacing: 0;
   width: 100%;
 }
+
+table.LC_innerpickbox,
 table.LC_nested {
-  border: 0px;
+  border: none;
   border-collapse: collapse;
-  border-spacing: 0px;
+  border-spacing: 0;
   width: 100%;
 }
-table.LC_data_table tr th, table.LC_calendar tr th, table.LC_mail_list tr th,
-table.LC_prior_tries tr th {
+
+table.LC_data_table tr th,
+table.LC_calendar tr th,
+table.LC_prior_tries tr th,
+table.LC_innerpickbox tr th {
   font-weight: bold;
   background-color: $data_table_head;
+  color:$fontmenu;
   font-size:90%;
 }
+
+table.LC_innerpickbox tr th,
+table.LC_innerpickbox tr td {
+  vertical-align: top;
+}
+
 table.LC_data_table tr.LC_info_row > td {
-  background-color: #CCC;
+  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 {
+
+table.LC_data_table tr.LC_odd_row > td {
   background-color: $data_table_light;
   padding: 2px;
+  vertical-align: top;
 }
-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 {
+
+table.LC_pick_box tr > td.LC_odd_row {
+  background-color: $data_table_light;
+  vertical-align: top;
+}
+
+table.LC_data_table tr.LC_even_row > td {
   background-color: $data_table_dark;
   padding: 2px;
+  vertical-align: top;
+}
+
+table.LC_pick_box tr > td.LC_even_row {
+  background-color: $data_table_dark;
+  vertical-align: top;
 }
+
 table.LC_data_table tr.LC_data_table_highlight td {
   background-color: $data_table_darker;
 }
+
 table.LC_data_table tr td.LC_leftcol_header {
   background-color: $data_table_head;
   font-weight: bold;
 }
+
 table.LC_data_table tr.LC_empty_row td,
 table.LC_nested tr.LC_empty_row td {
-  background-color: #FFFFFF;
   font-weight: bold;
   font-style: italic;
   text-align: center;
   padding: 8px;
 }
+
+table.LC_data_table tr.LC_empty_row td,
+table.LC_data_table tr.LC_footer_row td {
+  background-color: $sidebg;
+}
+
+table.LC_nested tr.LC_empty_row td {
+  background-color: #FFFFFF;
+}
+
+table.LC_caption {
+}
+
 table.LC_nested tr.LC_empty_row td {
   padding: 4ex
 }
+
 table.LC_nested_outer tr th {
   font-weight: bold;
+  color:$fontmenu;
   background-color: $data_table_head;
   font-size: small;
   border-bottom: 1px solid #000000;
 }
+
 table.LC_nested_outer tr td.LC_subheader {
   background-color: $data_table_head;
   font-weight: bold;
@@ -4745,20 +5797,24 @@ table.LC_nested_outer tr td.LC_subheader
   border-bottom: 1px solid #000000;
   text-align: right;
 }
+
 table.LC_nested tr.LC_info_row td {
-  background-color: #CCC;
+  background-color: #CCCCCC;
   font-weight: bold;
   font-size: small;
   text-align: center;
 }
+
 table.LC_nested tr.LC_info_row td.LC_left_item,
 table.LC_nested_outer tr th.LC_left_item {
   text-align: left;
 }
+
 table.LC_nested td {
-  background-color: #FFF;
+  background-color: #FFFFFF;
   font-size: small;
 }
+
 table.LC_nested_outer tr th.LC_right_item,
 table.LC_nested tr.LC_info_row td.LC_right_item,
 table.LC_nested tr.LC_odd_row td.LC_right_item,
@@ -4767,7 +5823,7 @@ 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 {
@@ -4778,7 +5834,7 @@ 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;
 }
@@ -4786,86 +5842,110 @@ table.LC_createuser tr.LC_info_row td  {
 table.LC_calendar {
   border: 1px solid #000000;
   border-collapse: collapse;
+  width: 98%;
 }
+
 table.LC_calendar_pickdate {
   font-size: xx-small;
 }
+
 table.LC_calendar tr td {
   border: 1px solid #000000;
   vertical-align: top;
+  width: 14%;
 }
+
 table.LC_calendar tr td.LC_calendar_day_empty {
   background-color: $data_table_dark;
 }
+
 table.LC_calendar tr td.LC_calendar_day_current {
   background-color: $data_table_highlight;
 }
 
-table.LC_mail_list tr.LC_mail_new {
+table.LC_data_table tr td.LC_mail_new {
   background-color: $mail_new;
 }
-table.LC_mail_list tr.LC_mail_new:hover {
+
+table.LC_data_table tr.LC_mail_new:hover {
   background-color: $mail_new_hover;
 }
-table.LC_mail_list tr.LC_mail_read {
+
+table.LC_data_table tr td.LC_mail_read {
   background-color: $mail_read;
 }
-table.LC_mail_list tr.LC_mail_read:hover {
+
+/*
+table.LC_data_table tr.LC_mail_read:hover {
   background-color: $mail_read_hover;
 }
-table.LC_mail_list tr.LC_mail_replied {
+*/
+
+table.LC_data_table tr td.LC_mail_replied {
   background-color: $mail_replied;
 }
-table.LC_mail_list tr.LC_mail_replied:hover {
+
+/*
+table.LC_data_table tr.LC_mail_replied:hover {
   background-color: $mail_replied_hover;
 }
-table.LC_mail_list tr.LC_mail_other {
+*/
+
+table.LC_data_table tr td.LC_mail_other {
   background-color: $mail_other;
 }
-table.LC_mail_list tr.LC_mail_other:hover {
+
+/*
+table.LC_data_table tr.LC_mail_other:hover {
   background-color: $mail_other_hover;
 }
-table.LC_mail_list tr.LC_mail_even {
-}
-table.LC_mail_list tr.LC_mail_odd {
-}
+*/
 
 table.LC_data_table tr > td.LC_browser_file,
 table.LC_data_table tr > td.LC_browser_file_published {
-  background: #CCFF88;
+  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: #AAAAAA;
+  background: #888888;
 }
+
 table.LC_data_table tr > td.LC_browser_file_modified,
 table.LC_data_table tr > td.LC_browser_file_metamodified {
-  background: #FFFF77;
+  background: #F8F866;
 }
+
 table.LC_data_table tr.LC_browser_folder > td {
-  background: #CCCCFF;
+  background: #E0E8FF;
 }
 
 table.LC_data_table tr > td.LC_roles_is {
-/*  background: #77FF77; */
+  /* background: #77FF77; */
 }
+
 table.LC_data_table tr > td.LC_roles_future {
-  background: #FFFF77;
+  border-right: 8px solid #FFFF77;
 }
+
 table.LC_data_table tr > td.LC_roles_will {
-  background: #FFAA77;
+  border-right: 8px solid #FFAA77;
 }
+
 table.LC_data_table tr > td.LC_roles_expired {
-  background: #FF7777;
+  border-right: 8px solid #FF7777;
 }
+
 table.LC_data_table tr > td.LC_roles_will_not {
-  background: #AAFF77;
+  border-right: 8px solid #AAFF77;
 }
+
 table.LC_data_table tr > td.LC_roles_selected {
-  background: #11CC55;
+  border-right: 8px solid #11CC55;
 }
 
 span.LC_current_location {
@@ -4873,62 +5953,86 @@ span.LC_current_location {
   background: $pgbg;
 }
 
+span.LC_current_nav_location {
+  font-weight:bold;
+  background: $sidebg;
+}
+
 span.LC_parm_menu_item {
   font-size: larger;
-  font-family: $sans;
 }
+
 span.LC_parm_scope_all {
   color: red;
 }
+
 span.LC_parm_scope_folder {
   color: green;
 }
+
 span.LC_parm_scope_resource {
   color: orange;
 }
+
 span.LC_parm_part {
   color: blue;
 }
-span.LC_parm_folder, span.LC_parm_symb {
+
+span.LC_parm_folder,
+span.LC_parm_symb {
   font-size: x-small;
   font-family: $mono;
   color: #AAAAAA;
 }
 
-td.LC_parm_overview_level_menu, td.LC_parm_overview_map_menu,
-td.LC_parm_overview_parm_selectors, td.LC_parm_overview_parm_restrictions {
+ul.LC_parm_parmlist li {
+  display: inline-block;
+  padding: 0.3em 0.8em;
+  vertical-align: top;
+  width: 150px;
+  border-top:1px solid $lg_border_color;
+}
+
+td.LC_parm_overview_level_menu,
+td.LC_parm_overview_map_menu,
+td.LC_parm_overview_parm_selectors,
+td.LC_parm_overview_restrictions  {
   border: 1px solid black;
   border-collapse: collapse;
 }
+
 table.LC_parm_overview_restrictions td {
   border-width: 1px 4px 1px 4px;
   border-style: solid;
   border-color: $pgbg;
   text-align: center;
 }
+
 table.LC_parm_overview_restrictions th {
   background: $tabbg;
   border-width: 1px 4px 1px 4px;
   border-style: solid;
   border-color: $pgbg;
 }
+
 table#LC_helpmenu {
-  border: 0px;
+  border: none;
   height: 55px;
-  border-spacing: 0px;
+  border-spacing: 0;
 }
 
 table#LC_helpmenu fieldset legend {
   font-size: larger;
-  font-weight: bold;
 }
+
 table#LC_helpmenu_links {
   width: 100%;
   border: 1px solid black;
   background: $pgbg;
-  padding: 0px;
+  padding: 0;
   border-spacing: 1px;
 }
+
 table#LC_helpmenu_links tr td {
   padding: 1px;
   background: $tabbg;
@@ -4936,11 +6040,13 @@ table#LC_helpmenu_links tr td {
   font-weight: bold;
 }
 
-table#LC_helpmenu_links a:link, table#LC_helpmenu_links a:visited,
+table#LC_helpmenu_links a:link,
+table#LC_helpmenu_links a:visited,
 table#LC_helpmenu_links a:active {
   text-decoration: none;
   color: $font;
 }
+
 table#LC_helpmenu_links a:hover {
   text-decoration: underline;
   color: $vlink;
@@ -4950,171 +6056,173 @@ table#LC_helpmenu_links a:hover {
   border: 1px solid #339933;
   margin: -1px;
 }
+
 .LC_chrt_popup_up {
   border: 1px solid yellow;
   margin: -1px;
 }
+
 .LC_chrt_popup {
   border: 1px solid #8888FF;
   background: #CCCCFF;
 }
+
 table.LC_pick_box {
   border-collapse: separate;
   background: white;
   border: 1px solid black;
   border-spacing: 1px;
 }
+
 table.LC_pick_box td.LC_pick_box_title {
-  background: $tabbg;
+  background: $sidebg;
   font-weight: bold;
-  text-align: right;
+  text-align: left;
+  vertical-align: top;
   width: 184px;
   padding: 8px;
 }
-table.LC_pick_box td.LC_selfenroll_pick_box_title {
-  background: $tabbg;
-  font-weight: bold;
-  text-align: right;
-  width: 350px;
-  padding: 8px;
-}
 
 table.LC_pick_box td.LC_pick_box_value {
   text-align: left;
   padding: 8px;
 }
+
 table.LC_pick_box td.LC_pick_box_select {
   text-align: left;
   padding: 8px;
 }
+
 table.LC_pick_box td.LC_pick_box_separator {
-  padding: 0px;
+  padding: 0;
   height: 1px;
   background: black;
 }
+
 table.LC_pick_box td.LC_pick_box_submit {
   text-align: right;
 }
+
 table.LC_pick_box td.LC_evenrow_value {
   text-align: left;
   padding: 8px;
   background-color: $data_table_light;
 }
+
 table.LC_pick_box td.LC_oddrow_value {
   text-align: left;
   padding: 8px;
   background-color: $data_table_light;
 }
-table.LC_helpform_receipt {
-  width: 620px;
-  border-collapse: separate;
-  background: white;
-  border: 1px solid black;
-  border-spacing: 1px;
-}
-table.LC_helpform_receipt td.LC_pick_box_title {
-  background: $tabbg;
-  font-weight: bold;
-  text-align: right;
-  width: 184px;
-  padding: 8px;
-}
-table.LC_helpform_receipt td.LC_evenrow_value {
-  text-align: left;
-  padding: 8px;
-  background-color: $data_table_light;
-}
-table.LC_helpform_receipt td.LC_oddrow_value {
-  text-align: left;
-  padding: 8px;
-  background-color: $data_table_light;
-}
-table.LC_helpform_receipt td.LC_pick_box_separator {
-  padding: 0px;
-  height: 1px;
-  background: black;
-}
+
 span.LC_helpform_receipt_cat {
   font-weight: bold;
 }
+
 table.LC_group_priv_box {
   background: white;
   border: 1px solid black;
   border-spacing: 1px;
 }
+
 table.LC_group_priv_box td.LC_pick_box_title {
   background: $tabbg;
   font-weight: bold;
   text-align: right;
   width: 184px;
 }
+
 table.LC_group_priv_box td.LC_groups_fixed {
   background: $data_table_light;
   text-align: center;
 }
+
 table.LC_group_priv_box td.LC_groups_optional {
   background: $data_table_dark;
   text-align: center;
 }
+
 table.LC_group_priv_box td.LC_groups_functionality {
   background: $data_table_darker;
   text-align: center;
   font-weight: bold;
 }
+
 table.LC_group_priv td {
   text-align: left;
-  padding: 0px;
+  padding: 0;
 }
 
-table.LC_notify_front_page {
-  background: white;
-  border: 1px solid black;
-  padding: 8px;
-}
-table.LC_notify_front_page td {
-  padding: 8px;
-}
 .LC_navbuttons {
   margin: 2ex 0ex 2ex 0ex;
 }
+
 .LC_topic_bar {
-  font-family: $sans;
   font-weight: bold;
-  width: 100%;
   background: $tabbg;
-  vertical-align: middle;
-  margin: 2ex 0ex 2ex 0ex;
+  margin: 1em 0em 1em 2em;
+  padding: 3px;
+  font-size: 1.2em;
 }
+
 .LC_topic_bar span {
+  left: 0.5em;
+  position: absolute;
   vertical-align: middle;
+  font-size: 1.2em;
 }
-.LC_topic_bar img {
-  vertical-align: bottom;
-}
+
 table.LC_course_group_status {
   margin: 20px;
 }
+
 table.LC_status_selector td {
   vertical-align: top;
   text-align: center;
   padding: 4px;
 }
-table.LC_descriptive_input td.LC_description {
-  vertical-align: top;
-  text-align: right;
-  font-weight: bold;
-}
+
 div.LC_feedback_link {
   clear: both;
-  background: white;
-  width: 100%;  
+  background: $sidebg;
+  width: 100%;
+  padding-bottom: 10px;
+  border: 1px $tabbg solid;
+  height: 22px;
+  line-height: 22px;
+  padding-top: 5px;
+}
+
+div.LC_feedback_link img {
+  height: 22px;
+  vertical-align:middle;
+}
+
+div.LC_feedback_link a {
+  text-decoration: none;
+}
+
+div.LC_comblock {
+  display:inline;
+  color:$font;
+  font-size:90%;
+}
+
+div.LC_feedback_link div.LC_comblock {
+  padding-left:5px;
+}
+
+div.LC_feedback_link div.LC_comblock a {
+  color:$font;
 }
+
 span.LC_feedback_link {
-  background: $feedback_link_bg;
+  /* background: $feedback_link_bg; */
   font-size: larger;
 }
+
 span.LC_message_link {
-  background: $feedback_link_bg;
+  /* background: $feedback_link_bg; */
   font-size: larger;
   position: absolute;
   right: 1em;
@@ -5131,44 +6239,54 @@ table.LC_prior_tries td {
 }
 
 .LC_answer_correct {
-  background: #AAFFAA;
-  color: black;
+  background: lightgreen;
+  color: darkgreen;
+  padding: 6px;
 }
+
 .LC_answer_charged_try {
-  background: #FFAAAA ! important;
-  color: black;
+  background: #FFAAAA;
+  color: darkred;
+  padding: 6px;
 }
-.LC_answer_not_charged_try, 
+
+.LC_answer_not_charged_try,
 .LC_answer_no_grade,
 .LC_answer_late {
-  background: #FFFFAA;
+  background: lightyellow;
   color: black;
+  padding: 6px;
 }
+
 .LC_answer_previous {
-  background: #AAAAFF;
-  color: black;
+  background: lightblue;
+  color: darkblue;
+  padding: 6px;
 }
+
 .LC_answer_no_message {
   background: #FFFFFF;
   color: black;
+  padding: 6px;
 }
+
 .LC_answer_unknown {
   background: orange;
   color: black;
+  padding: 6px;
 }
 
-
 span.LC_prior_numerical,
 span.LC_prior_string,
 span.LC_prior_custom,
 span.LC_prior_reaction,
 span.LC_prior_math {
-  font-family: monospace;
+  font-family: $mono;
   white-space: pre;
 }
 
 span.LC_prior_string {
-  font-family: monospace;
+  font-family: $mono;
   white-space: pre;
 }
 
@@ -5176,16 +6294,19 @@ table.LC_prior_option {
   width: 100%;
   border-collapse: collapse;
 }
-table.LC_prior_rank, table.LC_prior_match {
+
+table.LC_prior_rank,
+table.LC_prior_match {
   border-collapse: collapse;
 }
+
 table.LC_prior_option tr td,
 table.LC_prior_rank tr td,
 table.LC_prior_match tr td {
   border: 1px solid #000000;
 }
 
-span.LC_nobreak {
+.LC_nobreak {
   white-space: nowrap;
 }
 
@@ -5198,47 +6319,35 @@ span.LC_cusr_subheading {
   font-size: 85%;
 }
 
-table.LC_docs_documents {
-  background: #BBBBBB;
-  border-width: 0px;
-  border-collapse: collapse;
-}
-
-table.LC_docs_documents td.LC_docs_document {
-  border: 2px solid black;
-  padding: 4px;
-}
-
-.LC_docs_course_commands div {
-  float: left;
-  border: 4px solid #AAAAAA;
-  padding: 4px;
-  background: #DDDDCC;
+div.LC_docs_entry_move {
+  border: 1px solid #BBBBBB;
+  background: #DDDDDD;
+  width: 22px;
+  padding: 1px;
+  margin: 0;
 }
 
-.LC_docs_entry_move {
-  border: 0px;
-  border-collapse: collapse;
+table.LC_data_table tr > td.LC_docs_entry_commands,
+table.LC_data_table tr > td.LC_docs_entry_parameter {
+  font-size: x-small;
 }
 
-.LC_docs_entry_move td {
-  border: 2px solid #BBBBBB;
-  background: #DDDDDD;
+.LC_docs_entry_parameter {
+  white-space: nowrap;
 }
 
-.LC_docs_editor td.LC_docs_entry_commands {
-  background: #DDDDDD;
-  font-size: x-small;
-}
 .LC_docs_copy {
   color: #000099;
 }
+
 .LC_docs_cut {
   color: #550044;
 }
+
 .LC_docs_rename {
   color: #009900;
 }
+
 .LC_docs_remove {
   color: #990000;
 }
@@ -5248,16 +6357,6 @@ table.LC_docs_documents td.LC_docs_docum
   font-size: x-small;
 }
 
-.LC_docs_editor td.LC_docs_entry_title,
-.LC_docs_editor td.LC_docs_entry_icon {
-  background: #FFFFBB;
-}
-.LC_docs_editor td.LC_docs_entry_parameter {
-  background: #BBBBFF;
-  font-size: x-small;
-  white-space: nowrap;
-}
-
 table.LC_docs_adddocs td,
 table.LC_docs_adddocs th {
   border: 1px solid #BBBBBB;
@@ -5268,12 +6367,13 @@ table.LC_docs_adddocs th {
 table.LC_sty_begin {
   background: #BBFFBB;
 }
+
 table.LC_sty_end {
   background: #FFBBBB;
 }
 
 table.LC_double_column {
-  border-width: 0px;
+  border-width: 0;
   border-collapse: collapse;
   width: 100%;
   padding: 2px;
@@ -5288,15 +6388,11 @@ table.LC_double_column tr td.LC_left_col
 
 table.LC_double_column tr td.LC_right_col {
   top: 2px;
-  right: 2px; 
+  right: 2px;
   width: 47%;
   vertical-align: top;
 }
 
-span.LC_role_level {
-  font-weight: bold;
-}
-
 div.LC_left_float {
   float: left;
   padding-right: 5%;
@@ -5312,66 +6408,59 @@ div.LC_clear_float_footer {
   clear: both;
 }
 
-
 div.LC_grade_show_user {
-  margin-top: 20px;
-  border: 1px solid black;
+/*  border-left: 5px solid $sidebg; */
+  border-top: 5px solid #000000;
+  margin: 50px 0 0 0;
+  padding: 15px 0 5px 10px;
 }
-div.LC_grade_user_name {
-  background: #DDDDEE;
-  border-bottom: 1px solid black;
-  font-weight: bold;
-  font-size: large;
+
+div.LC_grade_show_user_odd_row {
+/*  border-left: 5px solid #000000; */
 }
-div.LC_grade_show_user_odd_row div.LC_grade_user_name {
-  background: #DDEEDD;
+
+div.LC_grade_show_user div.LC_Box {
+  margin-right: 50px;
 }
 
-div.LC_grade_show_problem,
 div.LC_grade_submissions,
 div.LC_grade_message_center,
-div.LC_grade_info_links,
-div.LC_grade_assign {
+div.LC_grade_info_links {
   margin: 5px;
   width: 99%;
   background: #FFFFFF;
 }
-div.LC_grade_show_problem_header,
+
 div.LC_grade_submissions_header,
-div.LC_grade_message_center_header,
-div.LC_grade_assign_header {
+div.LC_grade_message_center_header {
   font-weight: bold;
   font-size: large;
 }
-div.LC_grade_show_problem_problem,
+
 div.LC_grade_submissions_body,
-div.LC_grade_message_center_body,
-div.LC_grade_assign_body {
+div.LC_grade_message_center_body {
   border: 1px solid black;
   width: 99%;
   background: #FFFFFF;
 }
-span.LC_grade_check_note {
-  font-weight: normal;
-  font-size: medium;
-  display: inline;
-  position: absolute;
-  right: 1em;
-}
 
 table.LC_scantron_action {
   width: 100%;
 }
+
 table.LC_scantron_action tr th {
   font-weight:bold;
   font-style:normal;
 }
-.LC_edit_problem_header, 
+
+.LC_edit_problem_header,
 div.LC_edit_problem_footer {
   font-weight: normal;
   font-size:  medium;
   margin: 2px;
+  background-color: $sidebg;
 }
+
 div.LC_edit_problem_header,
 div.LC_edit_problem_header div,
 div.LC_edit_problem_footer,
@@ -5380,365 +6469,772 @@ div.LC_edit_problem_editxml_header,
 div.LC_edit_problem_editxml_header div {
   margin-top: 5px;
 }
-div.LC_edit_problem_header_edit_row {
-  background: $tabbg;
-  padding: 3px;
-  margin-bottom: 5px;
-}
+
 div.LC_edit_problem_header_title {
   font-weight: bold;
   font-size: larger;
   background: $tabbg;
   padding: 3px;
+  margin: 0 0 5px 0;
 }
+
 table.LC_edit_problem_header_title {
-  font-size: larger;
-  font-weight:  bold;
   width: 100%;
-  border-color: $pgbg;
-  border-style: solid;
-  border-width: $border;
-
   background: $tabbg;
-  border-collapse: collapse;
-  padding: 0px
 }
 
 div.LC_edit_problem_discards {
   float: left;
   padding-bottom: 5px;
 }
+
 div.LC_edit_problem_saves {
   float: right;
   padding-bottom: 5px;
 }
-hr.LC_edit_problem_divide {
-  clear: both;
-  color: $tabbg;
-  background-color: $tabbg;
-  height: 3px;
-  border: 0px;
+
+.LC_edit_opt {
+  padding-left: 1em;
+  white-space: nowrap;
 }
-img.stift{
-  border-width:0;
-  vertical-align:middle;
+
+.LC_edit_problem_latexhelper{
+    text-align: right;
 }
 
-table#LC_mainmenu{
- margin-top:10px;
- width:80%;
+#LC_edit_problem_colorful div{
+    margin-left: 40px;
+}
 
+img.stift {
+  border-width: 0;
+  vertical-align: middle;
 }
 
-table#LC_mainmenu td.LC_mainmenu_col_fieldset{
+table td.LC_mainmenu_col_fieldset {
   vertical-align: top;
-  width: 45%;
 }
-.LC_mainmenu_fieldset_category {
-  color: $font;
-  background: $pgbg;
-  font-family: $sans;
-  font-size: small;
+
+div.LC_createcourse {
+  margin: 10px 10px 10px 10px;
+}
+
+.LC_dccid {
+  float: right;
+  margin: 0.2em 0 0 0;
+  padding: 0;
+  font-size: 90%;
+  display:none;
+}
+
+ol.LC_primary_menu a:hover,
+ol#LC_MenuBreadcrumbs a:hover,
+ol#LC_PathBreadcrumbs a:hover,
+ul#LC_secondary_menu a:hover,
+.LC_FormSectionClearButton input:hover
+ul.LC_TabContent   li:hover a {
+  color:$button_hover;
+  text-decoration:none;
+}
+
+h1 {
+  padding: 0;
+  line-height:130%;
+}
+
+h2,
+h3,
+h4,
+h5,
+h6 {
+  margin: 5px 0 5px 0;
+  padding: 0;
+  line-height:130%;
+}
+
+.LC_hcell {
+  padding:3px 15px 3px 15px;
+  margin: 0;
+  background-color:$tabbg;
+  color:$fontmenu;
+  border-bottom:solid 1px $lg_border_color;
+}
+
+.LC_Box > .LC_hcell {
+  margin: 0 -10px 10px -10px;
+}
+
+.LC_noBorder {
+  border: 0;
+}
+
+.LC_FormSectionClearButton input {
+  background-color:transparent;
+  border: none;
+  cursor:pointer;
+  text-decoration:underline;
+}
+
+.LC_help_open_topic {
+  color: #FFFFFF;
+  background-color: #EEEEFF;
+  margin: 1px;
+  padding: 4px;
+  border: 1px solid #000033;
+  white-space: nowrap;
+  /* vertical-align: middle; */
+}
+
+dl,
+ul,
+div,
+fieldset {
+  margin: 10px 10px 10px 0;
+  /* overflow: hidden; */
+}
+
+fieldset > legend {
   font-weight: bold;
+  padding: 0 5px 0 5px;
 }
 
-/* ---- Remove when done ----
-# The following styles is part of the redesign of LON-CAPA and are
-# subject to change during this project.
-# Don't rely on their current functionality as they might be 
-# changed or removed.
-# --------------------------*/
-
-a:hover,
-ol.smallMenu a:hover,
-ol#MenuBreadcrumbs a:hover,
-ul#TabMainMenuContent a:hover,
-.FormSectionClearButton input:hover{
-	color:#BF2317;
-        text-decoration:none;
-}
-
-h1 { 
-	padding:5px 10px 5px 0px;
-	line-height:130%;
+#LC_nav_bar {
+  float: left;
+  background-color: $pgbg_or_bgcolor;
+  margin: 0 0 2px 0;
 }
 
-h2,h3,h4,h5,h6
-{
-margin:5px 0px 5px 0px;
-line-height:130%;
+#LC_realm {
+  margin: 0.2em 0 0 0;
+  padding: 0;
+  font-weight: bold;
+  text-align: center;
+  background-color: $pgbg_or_bgcolor;
 }
-.hcell{
-        padding:3px 15px 3px 15px;
-        margin:0px;
-	background-color:$tabbg;
-	border-bottom:solid 1px $lg_border_color;       
+
+#LC_nav_bar em {
+  font-weight: bold;
+  font-style: normal;
 }
-.noBorder {
-        border:0px;
+
+ol.LC_primary_menu {
+  margin: 0;
+  padding: 0;
+  background-color: $pgbg_or_bgcolor;
 }
-/*
-.bgLightGrey { background:URL(images/TabMenuBG.png) repeat-x left top; }
-.bgLightGreyYellow {background-color:#EFECE0;}
-*/
 
+ol#LC_PathBreadcrumbs {
+  margin: 0;
+}
 
-/* Main Header with discription of Person, Course, etc. */
-.HeadRight {
-	text-align: right;
-	float: right;
-	margin: 0px;
-	padding: 0px;
-        right:0;
-        position:absolute;
-        overflow:hidden;
+ol.LC_primary_menu li {
+  color: RGB(80, 80, 80);
+  vertical-align: middle;
+  text-align: left;
+  list-style: none;
+  float: left;
 }
 
-p {
-	padding: 10px;
+ol.LC_primary_menu li a {
+  display: block;
+  margin: 0;
+  padding: 0 5px 0 10px;
+  text-decoration: none;
+}
 
+ol.LC_primary_menu li ul {
+  display: none;
+  width: 10em;
+  background-color: $data_table_light;
 }
-.FormSectionClearButton input {
-        background-color:transparent;
-        border:0px;
-        cursor:pointer;
-        text-decoration:underline;
+
+ol.LC_primary_menu li:hover ul, ol.LC_primary_menu li.hover ul {
+  display: block;
+  position: absolute;
+  margin: 0;
+  padding: 0;
+  z-index: 2;
 }
 
+ol.LC_primary_menu li:hover li, ol.LC_primary_menu li.hover li {
+  font-size: 90%;
+  vertical-align: top;
+  float: none;
+  border-left: 1px solid black;
+  border-right: 1px solid black;
+}
 
-dl,ul,div,fieldset {
-	margin: 10px 10px 10px 0px;
-	overflow:hidden;
+ol.LC_primary_menu li:hover li a, ol.LC_primary_menu li.hover li a {
+  background-color:$data_table_light;
 }
-ol.smallMenu {
-	margin: 0px;
+
+ol.LC_primary_menu li li a:hover {
+   color:$button_hover;
+   background-color:$data_table_dark;
 }
 
-ol.smallMenu li {
-	display: inline;
-	padding: 5px 5px 0px 10px;
-	vertical-align: top;
+ol.LC_primary_menu li img {
+  vertical-align: bottom;
+  height: 1.1em;
+  margin: 0.2em 0 0 0;
 }
 
-ol.smallMenu li img {
-	vertical-align: bottom;
+ol.LC_primary_menu a {
+  color: RGB(80, 80, 80);
+  text-decoration: none;
 }
 
-ol.smallMenu a {
-	font-size: 90%;
-	color: RGB(80, 80, 80);
-	text-decoration: none;
+ol.LC_primary_menu a.LC_new_message {
+  font-weight:bold;
+  color: darkred;
 }
 
-ol#TabMainMenuContent {
-	
-	margin: 0px 0px 10px 0px;
-	padding: 0px;
+ol.LC_docs_parameters {
+  margin-left: 0;
+  padding: 0;
+  list-style: none;
 }
 
-ol#TabMainMenuContent li {
-	display: inline;
-	vertical-align: bottom;
-	border-bottom: solid 1px RGB(175, 175, 175);
-	border-right: solid 1px RGB(175, 175, 175);
-	padding: 5px 15px 5px 15px;
-	margin-right:4px;
-	line-height: 140%;
-	font-weight: bold;
-	overflow:hidden;
-/*	background: RGB(211, 206, 205) URL(images/TabMenuBG.png) repeat-x left top;*/
+ol.LC_docs_parameters li {
+  margin: 0;
+  padding-right: 20px;
+  display: inline;
 }
 
-ol#TabMainMenuContent li a{
-	color: RGB(47, 47, 47);
-	text-decoration: none;
+ol.LC_docs_parameters li:before {
+  content: "\\002022 \\0020";
 }
 
-ol#TabMainMenuContent div.columnSection {
-	margin-bottom: 0px;
+li.LC_docs_parameters_title {
+  font-weight: bold;
 }
 
-ol#MenuBreadcrumbs, ol#PathBreadcrumbs {
-	border-top: solid 1px RGB(255, 255, 255);
-	height: 20px;
-	line-height: 20px;
-	vertical-align: bottom;
-	margin: 0px 0px 30px 0px;
-	padding-left: 10px;
-	list-style-position: inside;
-/*	background: RGB(211, 206, 205) URL(images/TabMenuBG.png) repeat-x left
-		top;*/
+ol.LC_docs_parameters li.LC_docs_parameters_title:before {
+  content: "";
 }
 
-ol#MenuBreadcrumbs li, ol#PathBreadcrumbs li {
-/*	background: url(images/pfeil_white.png) no-repeat left center;*/
-	display: inline;
-	padding: 0px 0px 0px 10px;
-	vertical-align: bottom;
-	overflow:hidden;
+ul#LC_secondary_menu {
+  clear: right;
+  color: $fontmenu;
+  background: $tabbg;
+  list-style: none;
+  padding: 0;
+  margin: 0;
+  width: 100%;
+  text-align: left;
+  float: left;
 }
 
-ol#MenuBreadcrumbs li a {
-	text-decoration: none;
-	font-size:90%;
+ul#LC_secondary_menu li {
+  font-weight: bold;
+  line-height: 1.8em;
+  border-right: 1px solid black;
+  float: left;
 }
-ol#PathBreadcrumbs li a{
-	text-decoration:none;
-	font-size:100%;
-	font-weight:bold;
+
+ul#LC_secondary_menu li.LC_hoverable:hover, ul#LC_secondary_menu li.hover {
+  background-color: $data_table_light;
 }
 
-.ContentBoxSpecial
-{
-	border: solid 1px $lg_border_color;
+ul#LC_secondary_menu li a {
+  padding: 0 0.8em;
 }
-.ContentBox {
-	padding:10px;
+
+ul#LC_secondary_menu li ul {
+  display: none;
 }
-.PopUp
-{
-	padding:10px;
-	border-left:solid 1px $lg_border_color;
- 	border-top:solid 1px $lg_border_color;
-	border-bottom:outset 1px $lg_border_color;
-	border-right:outset 1px $lg_border_color;
-	display:none;
-	position:absolute;
-	right:0;
-	background-color:white;
-	z-index:5;
-}
-
-dl.ListStyleClean dt {
-	padding-right: 5px;
-	display: table-header-group;
-}
-
-dl.ListStyleClean dd {
-	display: table-row;
-}
-
-.ListStyleClean,
-.ListStyleSimple,
-.ListStyleNormal,
-.ListStyleNormal_Border,
-.ListStyleSpecial
-	{
-	/*display:block;	*/
-	list-style-position: inside;
-	list-style-type: none;
-	overflow: hidden;
-	padding: 0px;
+
+ul#LC_secondary_menu li:hover ul, ul#LC_secondary_menu li.hover ul {
+  display: block;
+  position: absolute;
+  margin: 0;
+  padding: 0;
+  list-style:none;
+  float: none;
+  background-color: $data_table_light;
+  z-index: 2;
+  margin-left: -1px;
 }
 
-.ListStyleSimple li,
-.ListStyleSimple dd,
-.ListStyleNormal li,
-.ListStyleNormal dd,
-.ListStyleSpecial li,
-.ListStyleSpecial dd
-	{
-	margin: 0px;
-	padding: 5px 5px 5px 10px;
-	clear: both;
+ul#LC_secondary_menu li ul li {
+  font-size: 90%;
+  vertical-align: top;
+  border-left: 1px solid black;
+  border-right: 1px solid black;
+  background-color: $data_table_light;
+  list-style:none;
+  float: none;
 }
 
-.ListStyleClean li,
-.ListStyleClean dd {
-	padding-top: 0px;
-	padding-bottom: 0px;
+ul#LC_secondary_menu li ul li:hover, ul#LC_secondary_menu li ul li.hover {
+  background-color: $data_table_dark;
 }
 
-.ListStyleSimple dd,
-.ListStyleSimple li{
-	border-bottom: solid 1px $lg_border_color;
+ul.LC_TabContent {
+  display:block;
+  background: $sidebg;
+  border-bottom: solid 1px $lg_border_color;
+  list-style:none;
+  margin: -1px -10px 0 -10px;
+  padding: 0;
 }
 
-.ListStyleSpecial li,
-.ListStyleSpecial dd {
-	list-style-type: none;
-	background-color: RGB(220, 220, 220);
-	margin-bottom: 4px;
+ul.LC_TabContent li,
+ul.LC_TabContentBigger li {
+  float:left;
 }
 
-table.SimpleTable {
-	margin:5px;
-	border:solid 1px $lg_border_color;
-	}
+ul#LC_secondary_menu li a {
+  color: $fontmenu;
+  text-decoration: none;
+}
 
-table.SimpleTable tr {
-	padding:0px;
-	border:solid 1px $lg_border_color;
+ul.LC_TabContent {
+  min-height:20px;
 }
-table.SimpleTable thead{
-	 background:rgb(220,220,220);
+
+ul.LC_TabContent li {
+  vertical-align:middle;
+  padding: 0 16px 0 10px;
+  background-color:$tabbg;
+  border-bottom:solid 1px $lg_border_color;
+  border-left: solid 1px $font;
 }
 
-div.columnSection {
-	display: block;
-	clear: both;
-	overflow: hidden;
-	margin:0px;
+ul.LC_TabContent .right {
+  float:right;
 }
 
-div.columnSection>* {
-	float: left;
-	margin: 10px 20px 10px 0px;
-	overflow:hidden;	
+ul.LC_TabContent li a,
+ul.LC_TabContent li {
+  color:rgb(47,47,47);
+  text-decoration:none;
+  font-size:95%;
+  font-weight:bold;
+  min-height:20px;
 }
-div.columnSection > .ContentBox,
-div.columnSection > .ContentBoxSpecial
-	{
-	width: 400px;
-	
+
+ul.LC_TabContent li a:hover,
+ul.LC_TabContent li a:focus {
+  color: $button_hover;
+  background:none;
+  outline:none;
+}
+
+ul.LC_TabContent li:hover {
+  color: $button_hover;
+  cursor:pointer;
 }
 
-.LC_loginpage_container {
-	text-align:left;
-	margin : 0 auto;
-	width:65%;
-	padding: 10px;
-	height: auto;
-#	background-color:#FFFFFF;
-	background-color:$loginbg;
-	border:1px solid #CCCCCC;
+ul.LC_TabContent li.active {
+  color: $font;
+  background:#FFFFFF url(/adm/lonIcons/open.gif) no-repeat scroll right center;
+  border-bottom:solid 1px #FFFFFF;
+  cursor: default;
+}
+
+ul.LC_TabContent li.active a {
+  color:$font;
+  background:#FFFFFF;
+  outline: none;
+}
+
+ul.LC_TabContent li.goback {
+  float: left;
+  border-left: none;
+}
+
+#maincoursedoc {
+  clear:both;
+}
+
+ul.LC_TabContentBigger {
+  display:block;
+  list-style:none;
+  padding: 0;
 }
 
+ul.LC_TabContentBigger li {
+  vertical-align:bottom;
+  height: 30px;
+  font-size:110%;
+  font-weight:bold;
+  color: #737373;
+}
 
-.LC_loginpage_loginContainer {
-	float:left;
-	width:60%;
+ul.LC_TabContentBigger li.active {
+  position: relative;
+  top: 1px;
 }
 
-.LC_loginpage_loginInfo {
-	margin-top:20px;
-	margin-left:20px;
-	float:left;
-	width:30%;
-	border:1px solid #CCCCCC;
-	padding:10px;
+ul.LC_TabContentBigger li a {
+  background:url('/adm/lonIcons/tabbgleft.gif') left bottom no-repeat;
+  height: 30px;
+  line-height: 30px;
+  text-align: center;
+  display: block;
+  text-decoration: none;
+  outline: none;  
 }
 
-.LC_loginpage_space {
-	clear:both;
-	margin-bottom:20px;
-	border-bottom: 1px solid #CCCCCC;
+ul.LC_TabContentBigger li.active a {
+  background:url('/adm/lonIcons/tabbgleft.gif') left top no-repeat;
+  color:$font;
 }
 
-.LC_loginpage_fieldset{
-	border: 1px solid #CCCCCC;
-	margin: 0 auto;
+ul.LC_TabContentBigger li b {
+  background: url('/adm/lonIcons/tabbgright.gif') no-repeat right bottom;
+  display: block;
+  float: left;
+  padding: 0 30px;
+  border-bottom: 1px solid $lg_border_color;
 }
 
-.LC_loginpage_legend{
-	padding: 2px;
-	margin: 0px;
-	font-size:14px;
-	font-weight:bold;
+ul.LC_TabContentBigger li:hover b {
+  color:$button_hover;
 }
 
+ul.LC_TabContentBigger li.active b {
+  background:url('/adm/lonIcons/tabbgright.gif') right top no-repeat;
+  color:$font;
+  border: 0;
+}
 
 
+ul.LC_CourseBreadcrumbs {
+  background: $sidebg;
+  height: 2em;
+  padding-left: 10px;
+  margin: 0;
+  list-style-position: inside;
+}
+
+ol#LC_MenuBreadcrumbs,
+ol#LC_PathBreadcrumbs {
+  padding-left: 10px;
+  margin: 0;
+  height: 2.5em;  /* equal to #LC_breadcrumbs line-height */
+}
+
+ol#LC_MenuBreadcrumbs li,
+ol#LC_PathBreadcrumbs li,
+ul.LC_CourseBreadcrumbs li {
+  display: inline;
+  white-space: normal;  
+}
+
+ol#LC_MenuBreadcrumbs li a,
+ul.LC_CourseBreadcrumbs li a {
+  text-decoration: none;
+  font-size:90%;
+}
+
+ol#LC_MenuBreadcrumbs h1 {
+  display: inline;
+  font-size: 90%;
+  line-height: 2.5em;
+  margin: 0;
+  padding: 0;
+}
+
+ol#LC_PathBreadcrumbs li a {
+  text-decoration:none;
+  font-size:100%;
+  font-weight:bold;
+}
+
+.LC_Box {
+  border: solid 1px $lg_border_color;
+  padding: 0 10px 10px 10px;
+}
+
+.LC_DocsBox {
+  border: solid 1px $lg_border_color;
+  padding: 0 0 10px 10px;
+}
+
+.LC_AboutMe_Image {
+  float:left;
+  margin-right:10px;
+}
+
+.LC_Clear_AboutMe_Image {
+  clear:left;
+}
+
+dl.LC_ListStyleClean dt {
+  padding-right: 5px;
+  display: table-header-group;
+}
+
+dl.LC_ListStyleClean dd {
+  display: table-row;
+}
+
+.LC_ListStyleClean,
+.LC_ListStyleSimple,
+.LC_ListStyleNormal,
+.LC_ListStyleSpecial {
+  /* display:block; */
+  list-style-position: inside;
+  list-style-type: none;
+  overflow: hidden;
+  padding: 0;
+}
+
+.LC_ListStyleSimple li,
+.LC_ListStyleSimple dd,
+.LC_ListStyleNormal li,
+.LC_ListStyleNormal dd,
+.LC_ListStyleSpecial li,
+.LC_ListStyleSpecial dd {
+  margin: 0;
+  padding: 5px 5px 5px 10px;
+  clear: both;
+}
+
+.LC_ListStyleClean li,
+.LC_ListStyleClean dd {
+  padding-top: 0;
+  padding-bottom: 0;
+}
+
+.LC_ListStyleSimple dd,
+.LC_ListStyleSimple li {
+  border-bottom: solid 1px $lg_border_color;
+}
+
+.LC_ListStyleSpecial li,
+.LC_ListStyleSpecial dd {
+  list-style-type: none;
+  background-color: RGB(220, 220, 220);
+  margin-bottom: 4px;
+}
+
+table.LC_SimpleTable {
+  margin:5px;
+  border:solid 1px $lg_border_color;
+}
+
+table.LC_SimpleTable tr {
+  padding: 0;
+  border:solid 1px $lg_border_color;
+}
+
+table.LC_SimpleTable thead {
+  background:rgb(220,220,220);
+}
+
+div.LC_columnSection {
+  display: block;
+  clear: both;
+  overflow: hidden;
+  margin: 0;
+}
+
+div.LC_columnSection>* {
+  float: left;
+  margin: 10px 20px 10px 0;
+  overflow:hidden;
+}
+
+table em {
+  font-weight: bold;
+  font-style: normal;
+}
+
+table.LC_tableBrowseRes,
+table.LC_tableOfContent {
+  border:none;
+  border-spacing: 1px;
+  padding: 3px;
+  background-color: #FFFFFF;
+  font-size: 90%;
+}
+
+table.LC_tableOfContent {
+  border-collapse: collapse;
+}
+
+table.LC_tableBrowseRes a,
+table.LC_tableOfContent a {
+  background-color: transparent;
+  text-decoration: none;
+}
+
+table.LC_tableOfContent img {
+  border: none;
+  height: 1.3em;
+  vertical-align: text-bottom;
+  margin-right: 0.3em;
+}
+
+a#LC_content_toolbar_firsthomework {
+  background-image:url(/res/adm/pages/open-first-problem.gif);
+}
+
+a#LC_content_toolbar_everything {
+  background-image:url(/res/adm/pages/show-all.gif);
+}
+
+a#LC_content_toolbar_uncompleted {
+  background-image:url(/res/adm/pages/show-incomplete-problems.gif);
+}
+
+#LC_content_toolbar_clearbubbles {
+  background-image:url(/res/adm/pages/mark-discussionentries-read.gif);
+}
+
+a#LC_content_toolbar_changefolder {
+  background : url(/res/adm/pages/close-all-folders.gif) top center ;
+}
+
+a#LC_content_toolbar_changefolder_toggled {
+  background-image:url(/res/adm/pages/open-all-folders.gif);
+}
+
+a#LC_content_toolbar_edittoplevel {
+  background-image:url(/res/adm/pages/edittoplevel.gif);
+}
+
+ul#LC_toolbar li a:hover {
+  background-position: bottom center;
+}
+
+ul#LC_toolbar {
+  padding: 0;
+  margin: 2px;
+  list-style:none;
+  position:relative;
+  background-color:white;
+  overflow: auto;
+}
+
+ul#LC_toolbar li {
+  border:1px solid white;
+  padding: 0;
+  margin: 0;
+  float: left;
+  display:inline;
+  vertical-align:middle;
+  white-space: nowrap;
+}
+
+
+a.LC_toolbarItem {
+  display:block;
+  padding: 0;
+  margin: 0;
+  height: 32px;
+  width: 32px;
+  color:white;
+  border: none;
+  background-repeat:no-repeat;
+  background-color:transparent;
+}
+
+ul.LC_funclist {
+    margin: 0;
+    padding: 0.5em 1em 0.5em 0;
+}
+
+ul.LC_funclist > li:first-child {
+    font-weight:bold; 
+    margin-left:0.8em;
+}
+
+ul.LC_funclist + ul.LC_funclist {
+    /* 
+       left border as a seperator if we have more than
+       one list 
+    */
+    border-left: 1px solid $sidebg;
+    /* 
+       this hides the left border behind the border of the 
+       outer box if element is wrapped to the next 'line' 
+    */
+    margin-left: -1px;
+}
+
+ul.LC_funclist li {
+  display: inline;
+  white-space: nowrap;
+  margin: 0 0 0 25px;
+  line-height: 150%;
+}
+
+.LC_hidden {
+  display: none;
+}
+
+.LCmodal-overlay {
+		position:fixed;
+		top:0;
+		right:0;
+		bottom:0;
+		left:0;
+		height:100%;
+		width:100%;
+		margin:0;
+		padding:0;
+		background:#999;
+		opacity:.75;
+		filter: alpha(opacity=75);
+		-moz-opacity: 0.75;
+		z-index:101;
+}
+
+* html .LCmodal-overlay {   
+		position: absolute;
+		height: expression(document.body.scrollHeight > document.body.offsetHeight ? document.body.scrollHeight : document.body.offsetHeight + 'px');
+}
+
+.LCmodal-window {
+		position:fixed;
+		top:50%;
+		left:50%;
+		margin:0;
+		padding:0;
+		z-index:102;
+	}
+
+* html .LCmodal-window {
+		position:absolute;
+}
+
+.LCclose-window {
+		position:absolute;
+		width:32px;
+		height:32px;
+		right:8px;
+		top:8px;
+		background:transparent url('/res/adm/pages/process-stop.png') no-repeat scroll right top;
+		text-indent:-99999px;
+		overflow:hidden;
+		cursor:pointer;
+}
+
+/*
+  styles used by TTH when "Default set of options to pass to tth/m
+  when converting TeX" in course settings has been set
+
+  option passed: -t
+
+*/
+
+td div.comp { margin-top: -0.6ex; margin-bottom: -1ex;}
+td div.comb { margin-top: -0.6ex; margin-bottom: -.6ex;}
+td div.hrcomp { line-height: 0.9; margin-top: -0.8ex; margin-bottom: -1ex;}
+td div.norm {line-height:normal;}
+
+/*
+  option passed -y3
+*/
+
+span.roman {font-family: serif; font-style: normal; font-weight: normal;}
+span.overacc2 {position: relative;  left: .8em; top: -1.2ex;}
+span.overacc1 {position: relative;  left: .6em; top: -1.2ex;}
+
 END
 }
 
@@ -5775,6 +7271,7 @@ sub headtag {
     my $function = $args->{'function'} || &get_users_function();
     my $domain   = $args->{'domain'}   || &determinedomain();
     my $bgcolor  = $args->{'bgcolor'}  || &designparm($function.'.pgbg',$domain);
+    my $httphost = $args->{'use_absolute'};
     my $url = join(':',$env{'user.name'},$env{'user.domain'},
 		   $Apache::lonnet::perlvar{'lonVersion'},
 		   #time(),
@@ -5785,20 +7282,38 @@ sub headtag {
 
     my $result =
 	'<head>'.
-	&font_settings();
+	&font_settings($args);
+
+    my $inhibitprint = &print_suppression();
 
     if (!$args->{'frameset'}) {
 	$result .= &Apache::lonhtmlcommon::htmlareaheaders();
     }
-    if ($args->{'force_register'}) {
-	$result .= &Apache::lonmenu::registerurl(1);
+    if ($args->{'force_register'} && $env{'request.noversionuri'} !~ m{^/res/adm/pages/}) {
+        $result .= Apache::lonxml::display_title();
     }
     if (!$args->{'no_nav_bar'} 
 	&& !$args->{'only_body'}
 	&& !$args->{'frameset'}) {
-	$result .= &help_menu_js();
+	$result .= &help_menu_js($httphost);
+        $result.=&modal_window();
+        $result.=&togglebox_script();
+        $result.=&wishlist_window();
+        $result.=&LCprogressbarUpdate_script();
+    } else {
+        if ($args->{'add_modal'}) {
+           $result.=&modal_window();
+        }
+        if ($args->{'add_wishlist'}) {
+           $result.=&wishlist_window();
+        }
+        if ($args->{'add_togglebox'}) {
+           $result.=&togglebox_script();
+        }
+        if ($args->{'add_progressbar'}) {
+           $result.=&LCprogressbarUpdate_script();
+        }
     }
-
     if (ref($args->{'redirect'})) {
 	my ($time,$url,$inhibit_continue) = @{$args->{'redirect'}};
 	$url = &Apache::lonenc::check_encrypt($url);
@@ -5816,8 +7331,14 @@ ADDMETA
     if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
     $result .= '<title> LON-CAPA '.$title.'</title>'
 	.'<link rel="stylesheet" type="text/css" href="'.$url.'" />'
+        .$inhibitprint
 	.$head_extra;
-    return $result;
+    if ($env{'browser.mobile'}) {
+        $result .= '
+<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=0, minimum-scale=1.0, maximum-scale=1.0">
+<meta name="apple-mobile-web-app-capable" content="yes" />';
+    }
+    return $result.'</head>';
 }
 
 =pod
@@ -5826,21 +7347,99 @@ ADDMETA
 
 Returns neccessary <meta> to set the proper encoding
 
-Inputs: none
+Inputs: optional reference to HASH -- $args passed to &headtag()
 
 =cut
 
 sub font_settings {
+    my ($args) = @_;
     my $headerstring='';
-    if (!$env{'browser.mathml'} && $env{'browser.unicode'}) {
+    if ((!$env{'browser.mathml'} && $env{'browser.unicode'}) ||
+        ((ref($args) eq 'HASH') && ($args->{'browser.unicode'}))) {
 	$headerstring.=
-	    '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />';
+	    '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />'."\n";
     }
     return $headerstring;
 }
 
 =pod
 
+=item * &print_suppression()
+
+In course context returns css which causes the body to be blank when media="print",
+if printout generation is unavailable for the current resource.
+
+This could be because:
+
+(a) printstartdate is in the future
+
+(b) printenddate is in the past
+
+(c) there is an active exam block with "printout"
+functionality blocked
+
+Users with pav, pfo or evb privileges are exempt.
+
+Inputs: none
+
+=cut
+
+
+sub print_suppression {
+    my $noprint;
+    if ($env{'request.course.id'}) {
+        my $scope = $env{'request.course.id'};
+        if ((&Apache::lonnet::allowed('pav',$scope)) ||
+            (&Apache::lonnet::allowed('pfo',$scope))) {
+            return;
+        }
+        if ($env{'request.course.sec'} ne '') {
+            $scope .= "/$env{'request.course.sec'}";
+            if ((&Apache::lonnet::allowed('pav',$scope)) ||
+                (&Apache::lonnet::allowed('pfo',$scope))) {
+                return;
+            }
+        }
+        my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+        my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+        my $blocked = &blocking_status('printout',$cnum,$cdom);
+        if ($blocked) {
+            my $checkrole = "cm./$cdom/$cnum";
+            if ($env{'request.course.sec'} ne '') {
+                $checkrole .= "/$env{'request.course.sec'}";
+            }
+            unless ((&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) &&
+                    ($env{'request.role'} !~ m{^st\./$cdom/$cnum})) {
+                $noprint = 1;
+            }
+        }
+        unless ($noprint) {
+            my $symb = &Apache::lonnet::symbread();
+            if ($symb ne '') {
+                my $navmap = Apache::lonnavmaps::navmap->new();
+                if (ref($navmap)) {
+                    my $res = $navmap->getBySymb($symb);
+                    if (ref($res)) {
+                        if (!$res->resprintable()) {
+                            $noprint = 1;
+                        }
+                    }
+                }
+            }
+        }
+        if ($noprint) {
+            return <<"ENDSTYLE";
+<style type="text/css" media="print">
+    body { display:none }
+</style>
+ENDSTYLE
+        }
+    }
+    return;
+}
+
+=pod
+
 =item * &xml_begin()
 
 Returns the needed doctype and <html>
@@ -5852,10 +7451,6 @@ Inputs: none
 sub xml_begin {
     my $output='';
 
-    if ($env{'internal.start_page'}==1) {
-	&Apache::lonhtmlcommon::init_htmlareafields();
-    }
-
     if ($env{'browser.mathml'}) {
 	$output='<?xml version="1.0"?>'
             #.'<?xml-stylesheet type="text/css" href="/adm/MathML/mathml.css"?>'."\n"
@@ -5866,50 +7461,14 @@ 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">'."\n"
+           .'<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">'."\n";
     }
     return $output;
 }
 
 =pod
 
-=item * &endheadtag()
-
-Returns a uniform </head> for LON-CAPA web pages.
-
-Inputs: none
-
-=cut
-
-sub endheadtag {
-    return '</head>';
-}
-
-=pod
-
-=item * &head()
-
-Returns a uniform complete <head>..</head> section for LON-CAPA web pages.
-
-Inputs:
-
-=over 4
-
-$title - optional title for the page
-
-$head_extra - optional extra HTML to put inside the <head>
-
-=back
-
-=cut
-
-sub head {
-    my ($title,$head_extra,$args) = @_;
-    return &headtag($title,$head_extra,$args).&endheadtag();
-}
-
-=pod
-
 =item * &start_page()
 
 Returns a complete <html> .. <body> section for LON-CAPA web pages.
@@ -5928,7 +7487,7 @@ $args - additional optional args support
 
              only_body      -> is true will set &bodytag() onlybodytag
                                     arg on
-             no_nav_bar     -> is true will set &bodytag() notopbar arg on
+             no_nav_bar     -> is true will set &bodytag() no_nav_bar arg on
              add_entries    -> additional attributes to add to the  <body>
              domain         -> force to color decorate a page for a 
                                     specific domain
@@ -5942,21 +7501,19 @@ $args - additional optional args support
                                     a html attribute
              force_register -> if is true will turn on the &bodytag()
                                     $forcereg arg
-             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>
                                     rather than <body>
-             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 
-                                    'Switch To Inline Menu' link
              no_auto_mt_title -> prevent &mt()ing the title arg
              inherit_jsmath -> when creating popup window in a page,
                                     should it have jsmath forced on by the
                                     current page
+             bread_crumbs ->             Array containing breadcrumbs
+             bread_crumbs_component ->  if exists show it as headline else show only the breadcrumbs
+             group          -> includes the current group, if page is for a 
+                               specific group  
 
 =back
 
@@ -5967,21 +7524,12 @@ $args - additional optional args support
 sub start_page {
     my ($title,$head_extra,$args) = @_;
     #&Apache::lonnet::logthis("start_page ".join(':',caller(0)));
-    my %head_args;
-    foreach my $arg ('redirect','force_register','domain','function',
-		     'bgcolor','frameset','no_nav_bar','only_body',
-		     'no_auto_mt_title') {
-	if (defined($args->{$arg})) {
-	    $head_args{$arg} = $args->{$arg};
-	}
-    }
 
     $env{'internal.start_page'}++;
-    my $result;
+    my ($result,@advtools);
+
     if (! exists($args->{'skip_phases'}{'head'}) ) {
-	$result.=
-	    &xml_begin().
-	    &headtag($title,$head_extra,\%head_args).&endheadtag();
+        $result .= &xml_begin() . &headtag($title, $head_extra, $args);
     }
     
     if (! exists($args->{'skip_phases'}{'body'}) ) {
@@ -5989,48 +7537,56 @@ sub start_page {
 	    my $attr_string = &make_attr_string($args->{'force_register'},
 						$args->{'add_entries'});
 	    $result .= "\n<frameset $attr_string>\n";
-	} else {
-	    $result .=
-		&bodytag($title, 
-			 $args->{'function'},       $args->{'add_entries'},
-			 $args->{'only_body'},      $args->{'domain'},
-			 $args->{'force_register'}, $args->{'body_title'},
-			 $args->{'no_nav_bar'},     $args->{'bgcolor'},
-			 $args->{'no_title'},       $args->{'no_inline_link'},
-			 $args);
-	}
+        } else {
+            $result .=
+                &bodytag($title, 
+                         $args->{'function'},       $args->{'add_entries'},
+                         $args->{'only_body'},      $args->{'domain'},
+                         $args->{'force_register'}, $args->{'no_nav_bar'},
+                         $args->{'bgcolor'},        $args,
+                         \@advtools);
+        }
     }
 
     if ($args->{'js_ready'}) {
-	$result = &js_ready($result);
+		$result = &js_ready($result);
     }
     if ($args->{'html_encode'}) {
-	$result = &html_encode($result);
+		$result = &html_encode($result);
     }
-    return $result;
-}
-
-
-=pod
-
-=item * &head()
-
-Returns a complete </body></html> section for LON-CAPA web pages.
 
-Inputs:         $args - additional optional args supported are:
-                 js_ready     -> return a string ready for being used in 
-                                 a javascript writeln
-                 html_encode  -> return a string ready for being used in 
-                                 a html attribute
-                 frameset     -> if true will start with a <frameset>
-                                 rather than <body>
-                 dicsussion   -> if true will get discussion from
-                                  lonxml::xmlend
-                                 (you can pass the target and parser arguments
-                                  through optional 'target' and 'parser' args
-                                  to this routine)
+    # Preparation for new and consistent functionlist at top of screen
+    # if ($args->{'functionlist'}) {
+    #            $result .= &build_functionlist();
+    #}
+
+    # Don't add anything more if only_body wanted or in const space
+    return $result if    $args->{'only_body'} 
+                      || $env{'request.state'} eq 'construct';
+
+    #Breadcrumbs
+    if (exists($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 @advtools array contains items add then to the breadcrumbs
+                if (@advtools > 0) {
+                    &Apache::lonmenu::advtools_crumbs(@advtools);
+                }
 
-=cut
+		#if bread_crumbs_component exists show it as headline else show only the breadcrumbs
+		if(exists($args->{'bread_crumbs_component'})){
+			$result .= &Apache::lonhtmlcommon::breadcrumbs($args->{'bread_crumbs_component'});
+		}else{
+			$result .= &Apache::lonhtmlcommon::breadcrumbs();
+		}
+    }
+    return $result;
+}
 
 sub end_page {
     my ($args) = @_;
@@ -6044,13 +7600,14 @@ sub end_page {
 	}
 	$result .= &Apache::lonxml::xmlend($target,$parser);
     }
-
     if ($args->{'frameset'}) {
 	$result .= '</frameset>';
     } else {
 	$result .= &endbodytag($args);
     }
-    $result .= "\n</html>";
+    unless ($args->{'notbody'}) {
+        $result .= "\n</html>";
+    }
 
     if ($args->{'js_ready'}) {
 	$result = &js_ready($result);
@@ -6063,6 +7620,287 @@ sub end_page {
     return $result;
 }
 
+sub wishlist_window {
+    return(<<'ENDWISHLIST');
+<script type="text/javascript">
+// <![CDATA[
+// <!-- BEGIN LON-CAPA Internal
+function set_wishlistlink(title, path) {
+    if (!title) {
+        title = document.title;
+        title = title.replace(/^LON-CAPA /,'');
+    }
+    if (!path) {
+        path = location.pathname;
+    }
+    Win = window.open('/adm/wishlist?mode=newLink&setTitle='+title+'&setPath='+path,
+                      'wishlistNewLink','width=560,height=350,scrollbars=0');
+}
+// END LON-CAPA Internal -->
+// ]]>
+</script>
+ENDWISHLIST
+}
+
+sub modal_window {
+    return(<<'ENDMODAL');
+<script type="text/javascript">
+// <![CDATA[
+// <!-- BEGIN LON-CAPA Internal
+var modalWindow = {
+	parent:"body",
+	windowId:null,
+	content:null,
+	width:null,
+	height:null,
+	close:function()
+	{
+	        $(".LCmodal-window").remove();
+	        $(".LCmodal-overlay").remove();
+	},
+	open:function()
+	{
+		var modal = "";
+		modal += "<div class=\"LCmodal-overlay\"></div>";
+		modal += "<div id=\"" + this.windowId + "\" class=\"LCmodal-window\" style=\"width:" + this.width + "px; height:" + this.height + "px; margin-top:-" + (this.height / 2) + "px; margin-left:-" + (this.width / 2) + "px;\">";
+		modal += this.content;
+		modal += "</div>";	
+
+		$(this.parent).append(modal);
+
+		$(".LCmodal-window").append("<a class=\"LCclose-window\"></a>");
+		$(".LCclose-window").click(function(){modalWindow.close();});
+		$(".LCmodal-overlay").click(function(){modalWindow.close();});
+	}
+};
+	var openMyModal = function(source,width,height,scrolling,transparency,style)
+	{
+		modalWindow.windowId = "myModal";
+		modalWindow.width = width;
+		modalWindow.height = height;
+		modalWindow.content = "<iframe width='"+width+"' height='"+height+"' frameborder='0' scrolling='"+scrolling+"' allowtransparency='"+transparency+"' src='" + source + "' style='"+style+"'>&lt/iframe>";
+		modalWindow.open();
+	};	
+// END LON-CAPA Internal -->
+// ]]>
+</script>
+ENDMODAL
+}
+
+sub modal_link {
+    my ($link,$linktext,$width,$height,$target,$scrolling,$title,$transparency,$style)=@_;
+    unless ($width) { $width=480; }
+    unless ($height) { $height=400; }
+    unless ($scrolling) { $scrolling='yes'; }
+    unless ($transparency) { $transparency='true'; }
+
+    my $target_attr;
+    if (defined($target)) {
+        $target_attr = 'target="'.$target.'"';
+    }
+    return <<"ENDLINK";
+<a href="$link" $target_attr title="$title" onclick="javascript:openMyModal('$link',$width,$height,'$scrolling','$transparency','$style'); return false;">
+           $linktext</a>
+ENDLINK
+}
+
+sub modal_adhoc_script {
+    my ($funcname,$width,$height,$content)=@_;
+    return (<<ENDADHOC);
+<script type="text/javascript">
+// <![CDATA[
+        var $funcname = function()
+        {
+                modalWindow.windowId = "myModal";
+                modalWindow.width = $width;
+                modalWindow.height = $height;
+                modalWindow.content = '$content';
+                modalWindow.open();
+        };  
+// ]]>
+</script>
+ENDADHOC
+}
+
+sub modal_adhoc_inner {
+    my ($funcname,$width,$height,$content)=@_;
+    my $innerwidth=$width-20;
+    $content=&js_ready(
+                 &start_page('Dialog',undef,{'only_body'=>1,'bgcolor'=>'#FFFFFF'}).
+                 &start_scrollbox($width.'px',$innerwidth.'px',$height.'px','myModal','#FFFFFF',undef,1).
+                 $content.
+                 &end_scrollbox().
+                 &end_page()
+             );
+    return &modal_adhoc_script($funcname,$width,$height,$content);
+}
+
+sub modal_adhoc_window {
+    my ($funcname,$width,$height,$content,$linktext)=@_;
+    return &modal_adhoc_inner($funcname,$width,$height,$content).
+           "<a href=\"javascript:$funcname();void(0);\">".$linktext."</a>";
+}
+
+sub modal_adhoc_launch {
+    my ($funcname,$width,$height,$content)=@_;
+    return &modal_adhoc_inner($funcname,$width,$height,$content).(<<ENDLAUNCH);
+<script type="text/javascript">
+// <![CDATA[
+$funcname();
+// ]]>
+</script>
+ENDLAUNCH
+}
+
+sub modal_adhoc_close {
+    return (<<ENDCLOSE);
+<script type="text/javascript">
+// <![CDATA[
+modalWindow.close();
+// ]]>
+</script>
+ENDCLOSE
+}
+
+sub togglebox_script {
+   return(<<ENDTOGGLE);
+<script type="text/javascript"> 
+// <![CDATA[
+function LCtoggleDisplay(id,hidetext,showtext) {
+   link = document.getElementById(id + "link").childNodes[0];
+   with (document.getElementById(id).style) {
+      if (display == "none" ) {
+          display = "inline";
+          link.nodeValue = hidetext;
+        } else {
+          display = "none";
+          link.nodeValue = showtext;
+       }
+   }
+}
+// ]]>
+</script>
+ENDTOGGLE
+}
+
+sub start_togglebox {
+    my ($id,$heading,$headerbg,$hidetext,$showtext)=@_;
+    unless ($heading) { $heading=''; } else { $heading.=' '; }
+    unless ($showtext) { $showtext=&mt('show'); }
+    unless ($hidetext) { $hidetext=&mt('hide'); }
+    unless ($headerbg) { $headerbg='#FFFFFF'; }
+    return &start_data_table().
+           &start_data_table_header_row().
+           '<td bgcolor="'.$headerbg.'">'.$heading.
+           '[<a id="'.$id.'link" href="javascript:LCtoggleDisplay(\''.$id.'\',\''.$hidetext.'\',\''.
+           $showtext.'\')">'.$showtext.'</a>]</td>'.
+           &end_data_table_header_row().
+           '<tr id="'.$id.'" style="display:none""><td>';
+}
+
+sub end_togglebox {
+    return '</td></tr>'.&end_data_table();
+}
+
+sub LCprogressbar_script {
+   my ($id)=@_;
+   return(<<ENDPROGRESS);
+<script type="text/javascript">
+// <![CDATA[
+\$('#progressbar$id').progressbar({
+  value: 0,
+  change: function(event, ui) {
+    var newVal = \$(this).progressbar('option', 'value');
+    \$('.pblabel', this).text(LCprogressTxt);
+  }
+});
+// ]]>
+</script>
+ENDPROGRESS
+}
+
+sub LCprogressbarUpdate_script {
+   return(<<ENDPROGRESSUPDATE);
+<style type="text/css">
+.ui-progressbar { position:relative; }
+.pblabel { position: absolute; width: 100%; text-align: center; line-height: 1.9em; }
+</style>
+<script type="text/javascript">
+// <![CDATA[
+var LCprogressTxt='---';
+
+function LCupdateProgress(percent,progresstext,id) {
+   LCprogressTxt=progresstext;
+   \$('#progressbar'+id).progressbar('value',percent);
+}
+// ]]>
+</script>
+ENDPROGRESSUPDATE
+}
+
+my $LClastpercent;
+my $LCidcnt;
+my $LCcurrentid;
+
+sub LCprogressbar {
+    my ($r)=(@_);
+    $LClastpercent=0;
+    $LCidcnt++;
+    $LCcurrentid=$$.'_'.$LCidcnt;
+    my $starting=&mt('Starting');
+    my $content=(<<ENDPROGBAR);
+  <div id="progressbar$LCcurrentid">
+    <span class="pblabel">$starting</span>
+  </div>
+ENDPROGBAR
+    &r_print($r,$content.&LCprogressbar_script($LCcurrentid));
+}
+
+sub LCprogressbarUpdate {
+    my ($r,$val,$text)=@_;
+    unless ($val) { 
+       if ($LClastpercent) {
+           $val=$LClastpercent;
+       } else {
+           $val=0;
+       }
+    }
+    if ($val<0) { $val=0; }
+    if ($val>100) { $val=0; }
+    $LClastpercent=$val;
+    unless ($text) { $text=$val.'%'; }
+    $text=&js_ready($text);
+    &r_print($r,<<ENDUPDATE);
+<script type="text/javascript">
+// <![CDATA[
+LCupdateProgress($val,'$text','$LCcurrentid');
+// ]]>
+</script>
+ENDUPDATE
+}
+
+sub LCprogressbarClose {
+    my ($r)=@_;
+    $LClastpercent=0;
+    &r_print($r,<<ENDCLOSE);
+<script type="text/javascript">
+// <![CDATA[
+\$("#progressbar$LCcurrentid").hide('slow'); 
+// ]]>
+</script>
+ENDCLOSE
+}
+
+sub r_print {
+    my ($r,$to_print)=@_;
+    if ($r) {
+      $r->print($to_print);
+      $r->rflush();
+    } else {
+      print($to_print);
+    }
+}
+
 sub html_encode {
     my ($result) = @_;
 
@@ -6070,6 +7908,7 @@ sub html_encode {
     
     return $result;
 }
+
 sub js_ready {
     my ($result) = @_;
 
@@ -6106,11 +7945,128 @@ sub validate_page {
     }
 }
 
+
+sub start_scrollbox {
+    my ($outerwidth,$width,$height,$id,$bgcolor,$cursor,$needjsready) = @_;
+    unless ($outerwidth) { $outerwidth='520px'; }
+    unless ($width) { $width='500px'; }
+    unless ($height) { $height='200px'; }
+    my ($table_id,$div_id,$tdcol);
+    if ($id ne '') {
+        $table_id = ' id="table_'.$id.'"';
+        $div_id = ' id="div_'.$id.'"';
+    }
+    if ($bgcolor ne '') {
+        $tdcol = "background-color: $bgcolor;";
+    }
+    my $nicescroll_js;
+    if ($env{'browser.mobile'}) {
+        $nicescroll_js = &nicescroll_javascript('div_'.$id,$cursor,$needjsready);
+    }
+    return <<"END";
+$nicescroll_js
+
+<table style="width: $outerwidth; border: 1px solid none;"$table_id><tr><td style="width: $width;$tdcol">
+<div style="overflow:auto; width:$width; height:$height;"$div_id>
+END
+}
+
+sub end_scrollbox {
+    return '</div></td></tr></table>';
+}
+
+sub nicescroll_javascript {
+    my ($id,$cursor,$needjsready,$framecheck,$location) = @_;
+    my %options;
+    if (ref($cursor) eq 'HASH') {
+        %options = %{$cursor};
+    }
+    unless ($options{'railalign'} =~ /^left|right$/) {
+        $options{'railalign'} = 'left';
+    }
+    unless ($options{'cursorcolor'} =~ /^\#\w+$/) {
+        my $function  = &get_users_function();
+        $options{'cursorcolor'} = &designparm($function.'.sidebg',$env{'request.role.domain'});
+        unless ($options{'cursorcolor'} =~ /^\#\w+$/) {
+            $options{'cursorcolor'} = '#00F';
+        }
+    }
+    if ($options{'cursoropacity'} =~ /^[\d.]+$/) {
+        unless ($options{'cursoropacity'} >= 0.0 && $options{'cursoropacity'} <=1.0) {
+            $options{'cursoropacity'}='1.0';
+        }
+    } else {
+        $options{'cursoropacity'}='1.0';
+    }
+    if ($options{'cursorfixedheight'} eq 'none') {
+        delete($options{'cursorfixedheight'});
+    } else {
+        unless ($options{'cursorfixedheight'} =~ /^\d+$/) { $options{'cursorfixedheight'}='50'; }
+    }
+    unless ($options{'railoffset'} =~ /^{[\w\:\d\-,]+}$/) {
+        delete($options{'railoffset'});
+    }
+    my @niceoptions;
+    while (my($key,$value) = each(%options)) {
+        if ($value =~ /^\{.+\}$/) {
+            push(@niceoptions,$key.':'.$value);
+        } else {
+            push(@niceoptions,$key.':"'.$value.'"');
+        }
+    }
+    my $nicescroll_js = '
+$(document).ready(
+      function() {
+          $("#'.$id.'").niceScroll({'.join(',',@niceoptions).'});
+      }
+);
+';
+    if ($framecheck) {
+        $nicescroll_js .= '
+function expand_div(caller) {
+    if (top === self) {
+        document.getElementById("'.$id.'").style.width = "auto";
+        document.getElementById("'.$id.'").style.height = "auto";
+    } else {
+        try {
+            if (parent.frames) {
+                if (parent.frames.length > 1) {
+                    var framesrc = parent.frames[1].location.href;
+                    var currsrc = framesrc.replace(/\#.*$/,"");
+                    if ((caller == "search") || (currsrc == "'.$location.'")) {
+                        document.getElementById("'.$id.'").style.width = "auto";
+                        document.getElementById("'.$id.'").style.height = "auto";
+                    }
+                }
+            }
+        } catch (e) {
+            return;
+        }
+    }
+    return;
+}
+';
+    }
+    if ($needjsready) {
+        $nicescroll_js = '
+<script type="text/javascript">'."\n".$nicescroll_js."\n</script>\n";
+    } else {
+        $nicescroll_js = &Apache::lonhtmlcommon::scripttag($nicescroll_js);
+    }
+    return $nicescroll_js;
+}
+
 sub simple_error_page {
-    my ($r,$title,$msg) = @_;
+    my ($r,$title,$msg,$args) = @_;
+    if (ref($args) eq 'HASH') {
+        if (!$args->{'no_auto_mt_msg'}) { $msg = &mt($msg); }
+    } else {
+        $msg = &mt($msg);
+    }
+
     my $page =
 	&Apache::loncommon::start_page($title).
-	&mt($msg).
+	'<p class="LC_error">'.$msg.'</p>'.
 	&Apache::loncommon::end_page();
     if (ref($r)) {
 	$r->print($page);
@@ -6121,31 +8077,48 @@ sub simple_error_page {
 
 {
     my @row_count;
+
+    sub start_data_table_count {
+        unshift(@row_count, 0);
+        return;
+    }
+
+    sub end_data_table_count {
+        shift(@row_count);
+        return;
+    }
+
     sub start_data_table {
-	my ($add_class) = @_;
+	my ($add_class,$id) = @_;
 	my $css_class = (join(' ','LC_data_table',$add_class));
-	unshift(@row_count,0);
-	return '<table class="'.$css_class.'">'."\n";
+        my $table_id;
+        if (defined($id)) {
+            $table_id = ' id="'.$id.'"';
+        }
+	&start_data_table_count();
+	return '<table class="'.$css_class.'"'.$table_id.'>'."\n";
     }
 
     sub end_data_table {
-	shift(@row_count);
+	&end_data_table_count();
 	return '</table>'."\n";;
     }
 
     sub start_data_table_row {
-	my ($add_class) = @_;
+	my ($add_class, $id) = @_;
 	$row_count[0]++;
 	my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row';
-	$css_class = (join(' ',$css_class,$add_class));
-	return  '<tr class="'.$css_class.'">'."\n";;
+	$css_class = (join(' ',$css_class,$add_class)) unless ($add_class eq '');
+        $id = (' id="'.$id.'"') unless ($id eq '');
+        return  '<tr class="'.$css_class.'"'.$id.'>'."\n";
     }
     
     sub continue_data_table_row {
-	my ($add_class) = @_;
+	my ($add_class, $id) = @_;
 	my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row';
-	$css_class = (join(' ',$css_class,$add_class));
-	return  '<tr class="'.$css_class.'">'."\n";;
+	$css_class = (join(' ',$css_class,$add_class)) unless ($add_class eq '');
+        $id = (' id="'.$id.'"') unless ($id eq '');
+        return  '<tr class="'.$css_class.'"'.$id.'>'."\n";
     }
 
     sub end_data_table_row {
@@ -6168,6 +8141,11 @@ sub simple_error_page {
     sub end_data_table_header_row {
 	return '</tr>'."\n";;
     }
+
+    sub data_table_caption {
+        my $caption = shift;
+        return "<caption class=\"LC_caption\">$caption</caption>";
+    }
 }
 
 =pod
@@ -6234,15 +8212,18 @@ Returns either 'student','coordinator','
 
 ###############################################
 sub get_users_function {
-    my $function = 'student';
-    if ($env{'request.role'}=~/^(cc|in|ta|ep)/) {
+    my $function = 'norole';
+    if ($env{'request.role'}=~/^(st)/) {
+        $function='student';
+    }
+    if ($env{'request.role'}=~/^(cc|co|in|ta|ep)/) {
         $function='coordinator';
     }
     if ($env{'request.role'}=~/^(su|dc|ad|li)/) {
         $function='admin';
     }
-    if (($env{'request.role'}=~/^(au|ca)/) ||
-        ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
+    if (($env{'request.role'}=~/^(au|ca|aa)/) ||
+        ($ENV{'REQUEST_URI'}=~ m{/^(/priv)})) {
         $function='author';
     }
     return $function;
@@ -6252,6 +8233,38 @@ 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
@@ -6274,7 +8287,7 @@ 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;
@@ -6346,7 +8359,19 @@ sub get_sections {
     my %sectioncount;
     my $now = time;
 
-    if (!defined($possible_roles) || (grep(/^st$/,@$possible_roles))) {
+    my $check_students = 1;
+    my $only_students = 0;
+    if (ref($possible_roles) eq 'ARRAY') {
+        if (grep(/^st$/,@{$possible_roles})) {
+            if (@{$possible_roles} == 1) {
+                $only_students = 1;
+            }
+        } else {
+            $check_students = 0;
+        }
+    }
+
+    if ($check_students) { 
 	my ($classlist) = &Apache::loncoursedata::get_classlist($cdom,$cnum);
 	my $sec_index = &Apache::loncoursedata::CL_SECTION();
 	my $status_index = &Apache::loncoursedata::CL_STATUS();
@@ -6373,6 +8398,9 @@ sub get_sections {
 	    }
 	}
     }
+    if ($only_students) {
+        return %sectioncount;
+    }
     my %courseroles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
     foreach my $user (sort(keys(%courseroles))) {
 	if ($user !~ /^(\w{2})/) { next; }
@@ -6520,7 +8548,7 @@ sub get_course_users {
                               active   => 'Active',
                               future   => 'Future',
                             );
-        my %nothide;
+        my (%nothide,@possdoms);
         if ($hidepriv) {
             my %coursehash=&Apache::lonnet::coursedescription($cdom.'_'.$cnum);
             foreach my $user (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) {
@@ -6530,6 +8558,10 @@ sub get_course_users {
                     $nothide{$user} = 1;
                 }
             }
+            my @possdoms = ($cdom);
+            if ($coursehash{'checkforpriv'}) {
+                push(@possdoms,split(/,/,$coursehash{'checkforpriv'}));
+            }
         }
         foreach my $person (sort(keys(%coursepersonnel))) {
             my $match = 0;
@@ -6565,7 +8597,7 @@ sub get_course_users {
                 }
                 if ($uname ne '' && $udom ne '') {
                     if ($hidepriv) {
-                        if ((&Apache::lonnet::privileged($uname,$udom)) &&
+                        if ((&Apache::lonnet::privileged($uname,$udom,\@possdoms)) &&
                             (!$nothide{$uname.':'.$udom})) {
                             next;
                         }
@@ -6653,11 +8685,16 @@ sub get_user_info {
 
 =item * &get_user_quota()
 
-Retrieves quota assigned for storage of portfolio files for a user  
+Retrieves quota assigned for storage of user files.
+Default is to report quota for portfolio files.
 
 Incoming parameters:
 1. user's username
 2. user's domain
+3. quota name - portfolio, author, or course
+   (if no quota name provided, defaults to portfolio).
+4. crstype - official, unofficial or community, if quota name is
+   course
 
 Returns:
 1. Disk quota (in Mb) assigned to student.
@@ -6671,7 +8708,7 @@ Returns:
 
 If a value has been stored in the user's environment, 
 it will return that, otherwise it returns the maximal default
-defined for the user's instituional status(es) in the domain.
+defined for the user's institutional status(es) in the domain.
 
 =cut
 
@@ -6679,7 +8716,7 @@ defined for the user's instituional stat
 
 
 sub get_user_quota {
-    my ($uname,$udom) = @_;
+    my ($uname,$udom,$quotaname,$crstype) = @_;
     my ($quota,$quotatype,$settingstatus,$defquota);
     if (!defined($udom)) {
         $udom = $env{'user.domain'};
@@ -6694,27 +8731,57 @@ sub get_user_quota {
         $defquota = 0; 
     } else {
         my $inststatus;
-        if ($udom eq $env{'user.domain'} && $uname eq $env{'user.name'}) {
-            $quota = $env{'environment.portfolioquota'};
-            $inststatus = $env{'environment.inststatus'};
-        } else {
-            my %userenv = 
-                &Apache::lonnet::get('environment',['portfolioquota',
-                                     'inststatus'],$udom,$uname);
-            my ($tmp) = keys(%userenv);
-            if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
-                $quota = $userenv{'portfolioquota'};
-                $inststatus = $userenv{'inststatus'};
-            } else {
-                undef(%userenv);
-            }
-        }
-        ($defquota,$settingstatus) = &default_quota($udom,$inststatus);
-        if ($quota eq '') {
-            $quota = $defquota;
-            $quotatype = 'default';
+        if ($quotaname eq 'course') {
+            if (($env{'course.'.$udom.'_'.$uname.'.num'} eq $uname) &&
+                ($env{'course.'.$udom.'_'.$uname.'.domain'} eq $udom)) {
+                $quota = $env{'course.'.$udom.'_'.$uname.'.internal.uploadquota'};
+            } else {
+                my %cenv = &Apache::lonnet::coursedescription("$udom/$uname");
+                $quota = $cenv{'internal.uploadquota'};
+            }
         } else {
-            $quotatype = 'custom';
+            if ($udom eq $env{'user.domain'} && $uname eq $env{'user.name'}) {
+                if ($quotaname eq 'author') {
+                    $quota = $env{'environment.authorquota'};
+                } else {
+                    $quota = $env{'environment.portfolioquota'};
+                }
+                $inststatus = $env{'environment.inststatus'};
+            } else {
+                my %userenv = 
+                    &Apache::lonnet::get('environment',['portfolioquota',
+                                         'authorquota','inststatus'],$udom,$uname);
+                my ($tmp) = keys(%userenv);
+                if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
+                    if ($quotaname eq 'author') {
+                        $quota = $userenv{'authorquota'};
+                    } else {
+                        $quota = $userenv{'portfolioquota'};
+                    }
+                    $inststatus = $userenv{'inststatus'};
+                } else {
+                    undef(%userenv);
+                }
+            }
+        }
+        if ($quota eq '' || wantarray) {
+            if ($quotaname eq 'course') {
+                my %domdefs = &Apache::lonnet::get_domain_defaults($udom);
+                if (($crstype eq 'official') || ($crstype eq 'unofficial') || ($crstype eq 'community')) { 
+                    $defquota = $domdefs{$crstype.'quota'};
+                }
+                if ($defquota eq '') {
+                    $defquota = 500;
+                }
+            } else {
+                ($defquota,$settingstatus) = &default_quota($udom,$inststatus,$quotaname);
+            }
+            if ($quota eq '') {
+                $quota = $defquota;
+                $quotatype = 'default';
+            } else {
+                $quotatype = 'custom';
+            }
         }
     }
     if (wantarray) {
@@ -6734,14 +8801,18 @@ Retrieves default quota assigned for sto
 given an (optional) user's institutional status.
 
 Incoming parameters:
+
 1. domain
 2. (Optional) institutional status(es).  This is a : separated list of 
    status types (e.g., faculty, staff, student etc.)
    which apply to the user for whom the default is being retrieved.
    If the institutional status string in undefined, the domain
-   default quota will be returned. 
+   default quota will be returned.
+3.  quota name - portfolio, author, or course
+   (if no quota name provided, defaults to portfolio).
 
 Returns:
+
 1. Default disk quota (in Mb) for user portfolios in the domain.
 2. (Optional) institutional type which determined the value of the
    default quota.
@@ -6761,25 +8832,29 @@ default quota returned.
 
 
 sub default_quota {
-    my ($udom,$inststatus) = @_;
+    my ($udom,$inststatus,$quotaname) = @_;
     my ($defquota,$settingstatus);
     my %quotahash = &Apache::lonnet::get_dom('configuration',
                                             ['quotas'],$udom);
+    my $key = 'defaultquota';
+    if ($quotaname eq 'author') {
+        $key = 'authorquota';
+    }
     if (ref($quotahash{'quotas'}) eq 'HASH') {
         if ($inststatus ne '') {
-            my @statuses = split(/:/,$inststatus);
+            my @statuses = map { &unescape($_); } split(/:/,$inststatus);
             foreach my $item (@statuses) {
-                if (ref($quotahash{'quotas'}{'defaultquota'}) eq 'HASH') {
-                    if ($quotahash{'quotas'}{'defaultquota'}{$item} ne '') {
+                if (ref($quotahash{'quotas'}{$key}) eq 'HASH') {
+                    if ($quotahash{'quotas'}{$key}{$item} ne '') {
                         if ($defquota eq '') {
-                            $defquota = $quotahash{'quotas'}{'defaultquota'}{$item};
+                            $defquota = $quotahash{'quotas'}{$key}{$item};
                             $settingstatus = $item;
-                        } elsif ($quotahash{'quotas'}{'defaultquota'}{$item} > $defquota) {
-                            $defquota = $quotahash{'quotas'}{'defaultquota'}{$item};
+                        } elsif ($quotahash{'quotas'}{$key}{$item} > $defquota) {
+                            $defquota = $quotahash{'quotas'}{$key}{$item};
                             $settingstatus = $item;
                         }
                     }
-                } else {
+                } elsif ($key eq 'defaultquota') {
                     if ($quotahash{'quotas'}{$item} ne '') {
                         if ($defquota eq '') {
                             $defquota = $quotahash{'quotas'}{$item};
@@ -6793,16 +8868,25 @@ sub default_quota {
             }
         }
         if ($defquota eq '') {
-            if (ref($quotahash{'quotas'}{'defaultquota'}) eq 'HASH') {
-                $defquota = $quotahash{'quotas'}{'defaultquota'}{'default'};
-            } else {
+            if (ref($quotahash{'quotas'}{$key}) eq 'HASH') {
+                $defquota = $quotahash{'quotas'}{$key}{'default'};
+            } elsif ($key eq 'defaultquota') {
                 $defquota = $quotahash{'quotas'}{'default'};
             }
             $settingstatus = 'default';
+            if ($defquota eq '') {
+                if ($quotaname eq 'author') {
+                    $defquota = 500;
+                }
+            }
         }
     } else {
         $settingstatus = 'default';
-        $defquota = 20;
+        if ($quotaname eq 'author') {
+            $defquota = 500;
+        } else {
+            $defquota = 20;
+        }
     }
     if (wantarray) {
         return ($defquota,$settingstatus);
@@ -6811,6 +8895,63 @@ sub default_quota {
     }
 }
 
+###############################################
+
+=pod
+
+=item * &excess_filesize_warning()
+
+Returns warning message if upload of file to authoring space, or copying
+of existing file within authoring space will cause quota for the authoring
+space to be exceeded.
+
+Same, if upload of a file directly to a course/community via Course Editor
+will cause quota for uploaded content for the course to be exceeded.
+
+Inputs: 6
+1. username or coursenum
+2. domain
+3. context ('author' or 'course')
+4. filename of file for which action is being requested
+5. filesize (kB) of file
+6. action being taken: copy or upload.
+
+Returns: 1 scalar: HTML to display containing warning if quota would be exceeded,
+         otherwise return null.
+
+=back
+
+=cut
+
+sub excess_filesize_warning {
+    my ($uname,$udom,$context,$filename,$filesize,$action) = @_;
+    my $current_disk_usage = 0;
+    my $disk_quota = &get_user_quota($uname,$udom,$context); #expressed in MB
+    if ($context eq 'author') {
+        my $authorspace = $Apache::lonnet::perlvar{'lonDocRoot'}."/priv/$udom/$uname";
+        $current_disk_usage = &Apache::lonnet::diskusage($udom,$uname,$authorspace);
+    } else {
+        foreach my $subdir ('docs','supplemental') {
+            $current_disk_usage += &Apache::lonnet::diskusage($udom,$uname,"userfiles/$subdir",1);
+        }
+    }
+    $disk_quota = int($disk_quota * 1000);
+    if (($current_disk_usage + $filesize) > $disk_quota) {
+        return '<p><span class="LC_warning">'.
+                &mt("Unable to $action [_1]. (size = [_2] kilobytes). Disk quota will be exceeded.",
+                    '<span class="LC_filename">'.$filename.'</span>',$filesize).'</span>'.
+               '<br />'.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.',
+                            $disk_quota,$current_disk_usage).
+               '</p>';
+    }
+    return;
+}
+
+###############################################
+
+
+
+
 sub get_secgrprole_info {
     my ($cdom,$cnum,$needroles,$type)  = @_;
     my %sections_count = &get_sections($cdom,$cnum);
@@ -6849,7 +8990,7 @@ sub get_secgrprole_info {
 }
 
 sub user_picker {
-    my ($dom,$srch,$forcenewuser,$caller,$cancreate,$usertype) = @_;
+    my ($dom,$srch,$forcenewuser,$caller,$cancreate,$usertype,$context) = @_;
     my $currdom = $dom;
     my %curr_selected = (
                         srchin => 'dom',
@@ -6903,6 +9044,7 @@ sub user_picker {
         #       loncreateuser::print_user_query_page()
         #       has been completed.
         next if ($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 .= ' 
@@ -6939,19 +9081,29 @@ sub user_picker {
     $srchtypesel .= "\n  </select>\n";
 
     my ($newuserscript,$new_user_create);
-
+    my $context_dom = $env{'request.role.domain'};
+    if ($context eq 'requestcrs') {
+        if ($env{'form.coursedom'} ne '') { 
+            $context_dom = $env{'form.coursedom'};
+        }
+    }
     if ($forcenewuser) {
         if (ref($srch) eq 'HASH') {
-            if ($srch->{'srchby'} eq 'uname' && $srch->{'srchtype'} eq 'exact' && $srch->{'srchin'} eq 'dom' && $srch->{'srchdomain'} eq $env{'request.role.domain'}) {
+            if ($srch->{'srchby'} eq 'uname' && $srch->{'srchtype'} eq 'exact' && $srch->{'srchin'} eq 'dom' && $srch->{'srchdomain'} eq $context_dom) {
                 if ($cancreate) {
                     $new_user_create = '<p> <input type="submit" name="forcenew" value="'.&HTML::Entities::encode(&mt('Make new user "[_1]"',$srchterm),'<>&"').'" onclick="javascript:setSearch(\'1\','.$caller.');" /> </p>';
                 } else {
-                    my $helplink = ' href="javascript:helpMenu('."'display'".')"';
+                    my $helplink = 'javascript:helpMenu('."'display'".')';
                     my %usertypetext = (
                         official   => 'institutional',
                         unofficial => 'non-institutional',
                     );
-                    $new_user_create = '<br /><span class="LC_warning">'.&mt("You are not authorized to create new $usertypetext{$usertype} users in this domain.").' '.&mt('Contact the <a[_1]>helpdesk</a> for assistance.',$helplink).'</span><br /><br />';
+                    $new_user_create = '<p class="LC_warning">'
+                                      .&mt("You are not authorized to create new $usertypetext{$usertype} users in this domain.")
+                                      .' '
+                                      .&mt('Please contact the [_1]helpdesk[_2] for assistance.'
+                                          ,'<a href="'.$helplink.'">','</a>')
+                                      .'</p><br />';
                 }
             }
         }
@@ -6976,7 +9128,7 @@ function setSearch(createnew,callingForm
             }
         }
         for (var i=0; i<callingForm.srchdomain.length; i++) {
-            if (callingForm.srchdomain.options[i].value == '$env{'request.role.domain'}') {
+            if (callingForm.srchdomain.options[i].value == '$context_dom') {
                 callingForm.srchdomain.selectedIndex = i;
             }
         }
@@ -6988,6 +9140,7 @@ ENDSCRIPT
 
     my $output = <<"END_BLOCK";
 <script type="text/javascript">
+// <![CDATA[
 function validateEntry(callingForm) {
 
     var checkok = 1;
@@ -7056,28 +9209,25 @@ 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;
 }
 
@@ -7159,7 +9309,10 @@ sub user_rule_formats {
     my ($rules,$ruleorder) = &Apache::lonnet::inst_userrules($domain,$check);
     if ((ref($rules) eq 'HASH') && (ref($ruleorder) eq 'ARRAY')) {
         if (@{$ruleorder} > 0) {
-            $output = '<br />'.&mt("$text{$check} with the following format(s) may <span class=\"LC_cusr_emph\">only</span> be used for verified users at [_1]:",$domdesc).' <ul>';
+            $output = '<br />'.
+                      &mt($text{$check}.' with the following format(s) may [_1]only[_2] be used for verified users at [_3]:',
+                          '<span class="LC_cusr_emph">','</span>',$domdesc).
+                      ' <ul>';
             foreach my $rule (@{$ruleorder}) {
                 if (ref($curr_rules) eq 'ARRAY') {
                     if (grep(/^\Q$rule\E$/,@{$curr_rules})) {
@@ -7233,6 +9386,7 @@ sub personal_data_fieldtitles {
                         middlename => 'Middle Name',
                         generation => 'Generation',
                         gen => 'Generation',
+                        inststatus => 'Affiliation',
                    );
     return %fieldtitles;
 }
@@ -7300,6 +9454,191 @@ sub get_institutional_codes {
     return;
 }
 
+sub get_standard_codeitems {
+    return ('Year','Semester','Department','Number','Section');
+}
+
+=pod
+
+=head1 Slot Helpers
+
+=over 4
+
+=item * sorted_slots()
+
+Sorts an array of slot names in order of an optional sort key,
+default sort is by slot start time (earliest first). 
+
+Inputs:
+
+=over 4
+
+slotsarr  - Reference to array of unsorted slot names.
+
+slots     - Reference to hash of hash, where outer hash keys are slot names.
+
+sortkey   - Name of key in inner hash to be sorted on (e.g., starttime).
+
+=back
+
+Returns:
+
+=over 4
+
+sorted   - An array of slot names sorted by a specified sort key 
+           (default sort key is start time of the slot).
+
+=back
+
+=cut
+
+
+sub sorted_slots {
+    my ($slotsarr,$slots,$sortkey) = @_;
+    if ($sortkey eq '') {
+        $sortkey = 'starttime';
+    }
+    my @sorted;
+    if ((ref($slotsarr) eq 'ARRAY') && (ref($slots) eq 'HASH')) {
+        @sorted =
+            sort {
+                     if (ref($slots->{$a}) && ref($slots->{$b})) {
+                         return $slots->{$a}{$sortkey} <=> $slots->{$b}{$sortkey}
+                     }
+                     if (ref($slots->{$a})) { return -1;}
+                     if (ref($slots->{$b})) { return 1;}
+                     return 0;
+                 } @{$slotsarr};
+    }
+    return @sorted;
+}
+
+=pod
+
+=item * get_future_slots()
+
+Inputs:
+
+=over 4
+
+cnum - course number
+
+cdom - course domain
+
+now - current UNIX time
+
+symb - optional symb
+
+=back
+
+Returns:
+
+=over 4
+
+sorted_reservable - ref to array of student_schedulable slots currently 
+                    reservable, ordered by end date of reservation period.
+
+reservable_now - ref to hash of student_schedulable slots currently
+                 reservable.
+
+    Keys in inner hash are:
+    (a) symb: either blank or symb to which slot use is restricted.
+    (b) endreserve: end date of reservation period. 
+
+sorted_future - ref to array of student_schedulable slots reservable in
+                the future, ordered by start date of reservation period.
+
+future_reservable - ref to hash of student_schedulable slots reservable
+                    in the future.
+
+    Keys in inner hash are:
+    (a) symb: either blank or symb to which slot use is restricted.
+    (b) startreserve:  start date of reservation period.
+
+=back
+
+=cut
+
+sub get_future_slots {
+    my ($cnum,$cdom,$now,$symb) = @_;
+    my (%reservable_now,%future_reservable,@sorted_reservable,@sorted_future);
+    my %slots = &Apache::lonnet::get_course_slots($cnum,$cdom);
+    foreach my $slot (keys(%slots)) {
+        next unless($slots{$slot}->{'type'} eq 'schedulable_student');
+        if ($symb) {
+            next if (($slots{$slot}->{'symb'} ne '') && 
+                     ($slots{$slot}->{'symb'} ne $symb));
+        }
+        if (($slots{$slot}->{'starttime'} > $now) &&
+            ($slots{$slot}->{'endtime'} > $now)) {
+            if (($slots{$slot}->{'allowedsections'}) || ($slots{$slot}->{'allowedusers'})) {
+                my $userallowed = 0;
+                if ($slots{$slot}->{'allowedsections'}) {
+                    my @allowed_sec = split(',',$slots{$slot}->{'allowedsections'});
+                    if (!defined($env{'request.role.sec'})
+                        && grep(/^No section assigned$/,@allowed_sec)) {
+                        $userallowed=1;
+                    } else {
+                        if (grep(/^\Q$env{'request.role.sec'}\E$/,@allowed_sec)) {
+                            $userallowed=1;
+                        }
+                    }
+                    unless ($userallowed) {
+                        if (defined($env{'request.course.groups'})) {
+                            my @groups = split(/:/,$env{'request.course.groups'});
+                            foreach my $group (@groups) {
+                                if (grep(/^\Q$group\E$/,@allowed_sec)) {
+                                    $userallowed=1;
+                                    last;
+                                }
+                            }
+                        }
+                    }
+                }
+                if ($slots{$slot}->{'allowedusers'}) {
+                    my @allowed_users = split(',',$slots{$slot}->{'allowedusers'});
+                    my $user = $env{'user.name'}.':'.$env{'user.domain'};
+                    if (grep(/^\Q$user\E$/,@allowed_users)) {
+                        $userallowed = 1;
+                    }
+                }
+                next unless($userallowed);
+            }
+            my $startreserve = $slots{$slot}->{'startreserve'};
+            my $endreserve = $slots{$slot}->{'endreserve'};
+            my $symb = $slots{$slot}->{'symb'};
+            if (($startreserve < $now) &&
+                (!$endreserve || $endreserve > $now)) {
+                my $lastres = $endreserve;
+                if (!$lastres) {
+                    $lastres = $slots{$slot}->{'starttime'};
+                }
+                $reservable_now{$slot} = {
+                                           symb       => $symb,
+                                           endreserve => $lastres
+                                         };
+            } elsif (($startreserve > $now) &&
+                     (!$endreserve || $endreserve > $startreserve)) {
+                $future_reservable{$slot} = {
+                                              symb         => $symb,
+                                              startreserve => $startreserve
+                                            };
+            }
+        }
+    }
+    my @unsorted_reservable = keys(%reservable_now);
+    if (@unsorted_reservable > 0) {
+        @sorted_reservable = 
+            &sorted_slots(\@unsorted_reservable,\%reservable_now,'endreserve');
+    }
+    my @unsorted_future = keys(%future_reservable);
+    if (@unsorted_future > 0) {
+        @sorted_future =
+            &sorted_slots(\@unsorted_future,\%future_reservable,'startreserve');
+    }
+    return (\@sorted_reservable,\%reservable_now,\@sorted_future,\%future_reservable);
+}
+
 =pod
 
 =back
@@ -7442,68 +9781,641 @@ sub get_env_multiple {
 
 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;
-    $upload_output .= '<b>Upload embedded files</b>:<br />'.&start_data_table();
+    my (%subdependencies,%dependencies,%mapping,%existing,%newfiles,%pathchanges,
+        %currsubfile,%unused,$rem);
+    my $counter = 0;
+    my $numnew = 0;
+    my $numremref = 0;
+    my $numinvalid = 0;
+    my $numpathchg = 0;
+    my $numexisting = 0;
+    my $numunused = 0;
+    my ($output,$upload_output,$toplevel,$url,$udom,$uname,$getpropath,$cdom,$cnum,
+        $fileloc,$filename,$delete_output,$modify_output,$title,$symb,$path,$navmap);
+    my $heading = &mt('Upload embedded files');
+    my $buttontext = &mt('Upload');
 
-    my $num = 0;
-    foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%{$allfiles})) {
+    if ($env{'request.course.id'}) {
+        if ($actionurl eq '/adm/dependencies') {
+            $navmap = Apache::lonnavmaps::navmap->new();
+        }
+        $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+        $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+    }
+    if (($actionurl eq '/adm/portfolio') || 
+        ($actionurl eq '/adm/coursegrp_portfolio')) {
+        my $current_path='/';
+        if ($env{'form.currentpath'}) {
+            $current_path = $env{'form.currentpath'};
+        }
+        if ($actionurl eq '/adm/coursegrp_portfolio') {
+            $udom = $cdom;
+            $uname = $cnum;
+            $url = '/userfiles/groups/'.$env{'form.group'}.'/portfolio';
+        } else {
+            $udom = $env{'user.domain'};
+            $uname = $env{'user.name'};
+            $url = '/userfiles/portfolio';
+        }
+        $toplevel = $url.'/';
+        $url .= $current_path;
+        $getpropath = 1;
+    } elsif (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank') ||
+             ($actionurl eq '/adm/imsimport')) { 
+        my ($udom,$uname,$rest) = ($args->{'current_path'} =~ m{/priv/($match_domain)/($match_username)/?(.*)$});
+        $url = $Apache::lonnet::perlvar{'lonDocRoot'}."/priv/$udom/$uname/";
+        $toplevel = $url;
+        if ($rest ne '') {
+            $url .= $rest;
+        }
+    } elsif ($actionurl eq '/adm/coursedocs') {
+        if (ref($args) eq 'HASH') {
+            $url = $args->{'docs_url'};
+            $toplevel = $url;
+            if ($args->{'context'} eq 'paste') {
+                ($cdom,$cnum) = ($url =~ m{^\Q/uploaded/\E($match_domain)/($match_courseid)/});
+                ($path) = 
+                    ($toplevel =~ m{^(\Q/uploaded/$cdom/$cnum/\E(?:docs|supplemental)/(?:default|\d+)/\d+)/});
+                $fileloc = &Apache::lonnet::filelocation('',$toplevel);
+                $fileloc =~ s{^/}{};
+            }
+        }
+    } elsif ($actionurl eq '/adm/dependencies')  {
+        if ($env{'request.course.id'} ne '') {
+            if (ref($args) eq 'HASH') {
+                $url = $args->{'docs_url'};
+                $title = $args->{'docs_title'};
+                $toplevel = $url; 
+                unless ($toplevel =~ m{^/}) {
+                    $toplevel = "/$url";
+                }
+                ($rem) = ($toplevel =~ m{^(.+/)[^/]+$});
+                if ($toplevel =~ m{^(\Q/uploaded/$cdom/$cnum/portfolio/syllabus\E)}) {
+                    $path = $1;
+                } else {
+                    ($path) =
+                        ($toplevel =~ m{^(\Q/uploaded/$cdom/$cnum/\E(?:docs|supplemental)/(?:default|\d+)/\d+)/});
+                }
+                $fileloc = &Apache::lonnet::filelocation('',$toplevel);
+                $fileloc =~ s{^/}{};
+                ($filename) = ($fileloc =~ m{.+/([^/]+)$});
+                $heading = &mt('Status of dependencies in [_1]',"$title ($filename)");
+            }
+        }
+    } elsif ($actionurl eq "/public/$cdom/$cnum/syllabus") {
+        $udom = $cdom;
+        $uname = $cnum;
+        $url = "/uploaded/$cdom/$cnum/portfolio/syllabus";
+        $toplevel = $url;
+        $path = $url;
+        $fileloc = &Apache::lonnet::filelocation('',$toplevel).'/';
+        $fileloc =~ s{^/}{};
+    }
+    foreach my $file (keys(%{$allfiles})) {
+        my $embed_file;
+        if (($path eq "/uploaded/$cdom/$cnum/portfolio/syllabus") && ($file =~ m{^\Q$path/\E(.+)$})) {
+            $embed_file = $1;
+        } else {
+            $embed_file = $file;
+        }
+        my ($absolutepath,$cleaned_file);
+        if ($embed_file =~ m{^\w+://}) {
+            $cleaned_file = $embed_file;
+            $newfiles{$cleaned_file} = 1;
+            $mapping{$cleaned_file} = $embed_file;
+        } else {
+            $cleaned_file = &clean_path($embed_file);
+            if ($embed_file =~ m{^/}) {
+                $absolutepath = $embed_file;
+            }
+            if ($cleaned_file =~ m{/}) {
+                my ($path,$fname) = ($cleaned_file =~ m{^(.+)/([^/]*)$});
+                $path = &check_for_traversal($path,$url,$toplevel);
+                my $item = $fname;
+                if ($path ne '') {
+                    $item = $path.'/'.$fname;
+                    $subdependencies{$path}{$fname} = 1;
+                } else {
+                    $dependencies{$item} = 1;
+                }
+                if ($absolutepath) {
+                    $mapping{$item} = $absolutepath;
+                } else {
+                    $mapping{$item} = $embed_file;
+                }
+            } else {
+                $dependencies{$embed_file} = 1;
+                if ($absolutepath) {
+                    $mapping{$cleaned_file} = $absolutepath;
+                } else {
+                    $mapping{$cleaned_file} = $embed_file;
+                }
+            }
+        }
+    }
+    my $dirptr = 16384;
+    foreach my $path (keys(%subdependencies)) {
+        $currsubfile{$path} = {};
+        if (($actionurl eq '/adm/portfolio') || 
+            ($actionurl eq '/adm/coursegrp_portfolio')) {
+            my ($sublistref,$listerror) =
+                &Apache::lonnet::dirlist($url.$path,$udom,$uname,$getpropath);
+            if (ref($sublistref) eq 'ARRAY') {
+                foreach my $line (@{$sublistref}) {
+                    my ($file_name,$rest) = split(/\&/,$line,2);
+                    $currsubfile{$path}{$file_name} = 1;
+                }
+            }
+        } elsif (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank')) {
+            if (opendir(my $dir,$url.'/'.$path)) {
+                my @subdir_list = grep(!/^\./,readdir($dir));
+                map {$currsubfile{$path}{$_} = 1;} @subdir_list;
+            }
+        } elsif (($actionurl eq '/adm/dependencies') ||
+                 (($actionurl eq '/adm/coursedocs') && (ref($args) eq 'HASH') &&
+                  ($args->{'context'} eq 'paste')) ||
+                 ($actionurl eq "/public/$cdom/$cnum/syllabus")) {
+            if ($env{'request.course.id'} ne '') {
+                my $dir;
+                if ($actionurl eq "/public/$cdom/$cnum/syllabus") {
+                    $dir = $fileloc;
+                } else {
+                    ($dir) = ($fileloc =~ m{^(.+/)[^/]+$});
+                }
+                if ($dir ne '') {
+                    my ($sublistref,$listerror) =
+                        &Apache::lonnet::dirlist($dir.$path,$cdom,$cnum,$getpropath,undef,'/');
+                    if (ref($sublistref) eq 'ARRAY') {
+                        foreach my $line (@{$sublistref}) {
+                            my ($file_name,$dom,undef,$testdir,undef,undef,undef,undef,$size,
+                                undef,$mtime)=split(/\&/,$line,12);
+                            unless (($testdir&$dirptr) ||
+                                    ($file_name =~ /^\.\.?$/)) {
+                                $currsubfile{$path}{$file_name} = [$size,$mtime];
+                            }
+                        }
+                    }
+                }
+            }
+        }
+        foreach my $file (keys(%{$subdependencies{$path}})) {
+            if (exists($currsubfile{$path}{$file})) {
+                my $item = $path.'/'.$file;
+                unless ($mapping{$item} eq $item) {
+                    $pathchanges{$item} = 1;
+                }
+                $existing{$item} = 1;
+                $numexisting ++;
+            } else {
+                $newfiles{$path.'/'.$file} = 1;
+            }
+        }
+        if ($actionurl eq '/adm/dependencies') {
+            foreach my $path (keys(%currsubfile)) {
+                if (ref($currsubfile{$path}) eq 'HASH') {
+                    foreach my $file (keys(%{$currsubfile{$path}})) {
+                         unless ($subdependencies{$path}{$file}) {
+                             next if (($rem ne '') &&
+                                      (($env{"httpref.$rem"."$path/$file"} ne '') ||
+                                       (ref($navmap) &&
+                                       (($navmap->getResourceByUrl($rem."$path/$file") ne '') ||
+                                        (($file =~ /^(.*\.s?html?)\.bak$/i) &&
+                                         ($navmap->getResourceByUrl($rem."$path/$1")))))));
+                             $unused{$path.'/'.$file} = 1; 
+                         }
+                    }
+                }
+            }
+        }
+    }
+    my %currfile;
+    if (($actionurl eq '/adm/portfolio') ||
+        ($actionurl eq '/adm/coursegrp_portfolio')) {
+        my ($dirlistref,$listerror) =
+            &Apache::lonnet::dirlist($url,$udom,$uname,$getpropath);
+        if (ref($dirlistref) eq 'ARRAY') {
+            foreach my $line (@{$dirlistref}) {
+                my ($file_name,$rest) = split(/\&/,$line,2);
+                $currfile{$file_name} = 1;
+            }
+        }
+    } elsif (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank')) {
+        if (opendir(my $dir,$url)) {
+            my @dir_list = grep(!/^\./,readdir($dir));
+            map {$currfile{$_} = 1;} @dir_list;
+        }
+    } elsif (($actionurl eq '/adm/dependencies') ||
+             (($actionurl eq '/adm/coursedocs') && (ref($args) eq 'HASH') &&
+              ($args->{'context'} eq 'paste')) ||
+             ($actionurl eq "/public/$cdom/$cnum/syllabus")) {
+        if ($env{'request.course.id'} ne '') {
+            my ($dir) = ($fileloc =~ m{^(.+/)[^/]+$});
+            if ($dir ne '') {
+                my ($dirlistref,$listerror) =
+                    &Apache::lonnet::dirlist($dir,$cdom,$cnum,$getpropath,undef,'/');
+                if (ref($dirlistref) eq 'ARRAY') {
+                    foreach my $line (@{$dirlistref}) {
+                        my ($file_name,$dom,undef,$testdir,undef,undef,undef,undef,
+                            $size,undef,$mtime)=split(/\&/,$line,12);
+                        unless (($testdir&$dirptr) ||
+                                ($file_name =~ /^\.\.?$/)) {
+                            $currfile{$file_name} = [$size,$mtime];
+                        }
+                    }
+                }
+            }
+        }
+    }
+    foreach my $file (keys(%dependencies)) {
+        if (exists($currfile{$file})) {
+            unless ($mapping{$file} eq $file) {
+                $pathchanges{$file} = 1;
+            }
+            $existing{$file} = 1;
+            $numexisting ++;
+        } else {
+            $newfiles{$file} = 1;
+        }
+    }
+    foreach my $file (keys(%currfile)) {
+        unless (($file eq $filename) ||
+                ($file eq $filename.'.bak') ||
+                ($dependencies{$file})) {
+            if ($actionurl eq '/adm/dependencies') {
+                unless ($toplevel =~ m{^\Q/uploaded/$cdom/$cnum/portfolio/syllabus\E}) {
+                    next if (($rem ne '') &&
+                             (($env{"httpref.$rem".$file} ne '') ||
+                              (ref($navmap) &&
+                              (($navmap->getResourceByUrl($rem.$file) ne '') ||
+                               (($file =~ /^(.*\.s?html?)\.bak$/i) &&
+                                ($navmap->getResourceByUrl($rem.$1)))))));
+                }
+            }
+            $unused{$file} = 1;
+        }
+    }
+    if (($actionurl eq '/adm/coursedocs') && (ref($args) eq 'HASH') &&
+        ($args->{'context'} eq 'paste')) {
+        $counter = scalar(keys(%existing));
+        $numpathchg = scalar(keys(%pathchanges));
+        return ($output,$counter,$numpathchg,\%existing);
+    } elsif (($actionurl eq "/public/$cdom/$cnum/syllabus") && 
+             (ref($args) eq 'HASH') && ($args->{'context'} eq 'rewrites')) {
+        $counter = scalar(keys(%existing));
+        $numpathchg = scalar(keys(%pathchanges));
+        return ($output,$counter,$numpathchg,\%existing,\%mapping);
+    }
+    foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%newfiles)) {
+        if ($actionurl eq '/adm/dependencies') {
+            next if ($embed_file =~ m{^\w+://});
+        }
         $upload_output .= &start_data_table_row().
-            '<td>'.$embed_file.'</td><td>';
-        if ($args->{'ignore_remote_references'}
-            && $embed_file =~ m{^\w+://}) {
-            $upload_output.='<span class="LC_warning">'.&mt("URL points to other server.").'</span>';
+                          '<td valign="top"><img src="'.&icon($embed_file).'" />&nbsp;'.
+                          '<span class="LC_filename">'.$embed_file.'</span>';
+        unless ($mapping{$embed_file} eq $embed_file) {
+            $upload_output .= '<br /><span class="LC_info" style="font-size:smaller;">'.
+                              &mt('changed from: [_1]',$mapping{$embed_file}).'</span>';
+        }
+        $upload_output .= '</td>';
+        if ($args->{'ignore_remote_references'} && $embed_file =~ m{^\w+://}) { 
+            $upload_output.='<td align="right">'.
+                            '<span class="LC_info LC_fontsize_medium">'.
+                            &mt("URL points to web address").'</span>';
+            $numremref++;
         } elsif ($args->{'error_on_invalid_names'}
             && $embed_file ne &Apache::lonnet::clean_filename($embed_file,{'keep_path' => 1,})) {
+            $upload_output.='<td align="right"><span class="LC_warning">'.
+                            &mt('Invalid characters').'</span>';
+            $numinvalid++;
+        } else {
+            $upload_output .= '<td>'.
+                              &embedded_file_element('upload_embedded',$counter,
+                                                     $embed_file,\%mapping,
+                                                     $allfiles,$codebase,'upload');
+            $counter ++;
+            $numnew ++;
+        }
+        $upload_output .= '</td>'.&Apache::loncommon::end_data_table_row()."\n";
+    }
+    foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%existing)) {
+        if ($actionurl eq '/adm/dependencies') {
+            my ($size,$mtime) = &get_dependency_details(\%currfile,\%currsubfile,$embed_file);
+            $modify_output .= &start_data_table_row().
+                              '<td><a href="'.$path.'/'.$embed_file.'" style="text-decoration:none;">'.
+                              '<img src="'.&icon($embed_file).'" border="0" />'.
+                              '&nbsp;<span class="LC_filename">'.$embed_file.'</span></a></td>'.
+                              '<td>'.$size.'</td>'.
+                              '<td>'.$mtime.'</td>'.
+                              '<td><label><input type="checkbox" name="mod_upload_dep" '.
+                              'onclick="toggleBrowse('."'$counter'".')" id="mod_upload_dep_'.
+                              $counter.'" value="'.$counter.'" />'.&mt('Yes').'</label>'.
+                              '<div id="moduploaddep_'.$counter.'" style="display:none;">'.
+                              &embedded_file_element('upload_embedded',$counter,
+                                                     $embed_file,\%mapping,
+                                                     $allfiles,$codebase,'modify').
+                              '</div></td>'.
+                              &end_data_table_row()."\n";
+            $counter ++;
+        } else {
+            $upload_output .= &start_data_table_row().
+                              '<td valign="top"><img src="'.&icon($embed_file).'" />&nbsp;'.
+                              '<span class="LC_filename">'.$embed_file.'</span></td>'.
+                              '<td align="right"><span class="LC_info LC_fontsize_medium">'.&mt('Already exists').'</span></td>'.
+                              &Apache::loncommon::end_data_table_row()."\n";
+        }
+    }
+    my $delidx = $counter;
+    foreach my $oldfile (sort {lc($a) cmp lc($b)} keys(%unused)) {
+        my ($size,$mtime) = &get_dependency_details(\%currfile,\%currsubfile,$oldfile);
+        $delete_output .= &start_data_table_row().
+                          '<td><img src="'.&icon($oldfile).'" />'.
+                          '&nbsp;<span class="LC_filename">'.$oldfile.'</span></td>'.
+                          '<td>'.$size.'</td>'.
+                          '<td>'.$mtime.'</td>'.
+                          '<td><label><input type="checkbox" name="del_upload_dep" '.
+                          ' value="'.$delidx.'" />'.&mt('Yes').'</label>'.
+                          &embedded_file_element('upload_embedded',$delidx,
+                                                 $oldfile,\%mapping,$allfiles,
+                                                 $codebase,'delete').'</td>'.
+                          &end_data_table_row()."\n"; 
+        $numunused ++;
+        $delidx ++;
+    }
+    if ($upload_output) {
+        $upload_output = &start_data_table().
+                         $upload_output.
+                         &end_data_table()."\n";
+    }
+    if ($modify_output) {
+        $modify_output = &start_data_table().
+                         &start_data_table_header_row().
+                         '<th>'.&mt('File').'</th>'.
+                         '<th>'.&mt('Size (KB)').'</th>'.
+                         '<th>'.&mt('Modified').'</th>'.
+                         '<th>'.&mt('Upload replacement?').'</th>'.
+                         &end_data_table_header_row().
+                         $modify_output.
+                         &end_data_table()."\n";
+    }
+    if ($delete_output) {
+        $delete_output = &start_data_table().
+                         &start_data_table_header_row().
+                         '<th>'.&mt('File').'</th>'.
+                         '<th>'.&mt('Size (KB)').'</th>'.
+                         '<th>'.&mt('Modified').'</th>'.
+                         '<th>'.&mt('Delete?').'</th>'.
+                         &end_data_table_header_row().
+                         $delete_output.
+                         &end_data_table()."\n";
+    }
+    my $applies = 0;
+    if ($numremref) {
+        $applies ++;
+    }
+    if ($numinvalid) {
+        $applies ++;
+    }
+    if ($numexisting) {
+        $applies ++;
+    }
+    if ($counter || $numunused) {
+        $output = '<form name="upload_embedded" action="'.$actionurl.'"'.
+                  ' method="post" enctype="multipart/form-data">'."\n".
+                  $state.'<h3>'.$heading.'</h3>'; 
+        if ($actionurl eq '/adm/dependencies') {
+            if ($numnew) {
+                $output .= '<h4>'.&mt('Missing dependencies').'</h4>'.
+                           '<p>'.&mt('The following files need to be uploaded.').'</p>'."\n".
+                           $upload_output.'<br />'."\n";
+            }
+            if ($numexisting) {
+                $output .= '<h4>'.&mt('Uploaded dependencies (in use)').'</h4>'.
+                           '<p>'.&mt('Upload a new file to replace the one currently in use.').'</p>'."\n".
+                           $modify_output.'<br />'."\n";
+                           $buttontext = &mt('Save changes');
+            }
+            if ($numunused) {
+                $output .= '<h4>'.&mt('Unused files').'</h4>'.
+                           '<p>'.&mt('The following uploaded files are no longer used.').'</p>'."\n".
+                           $delete_output.'<br />'."\n";
+                           $buttontext = &mt('Save changes');
+            }
+        } else {
+            $output .= $upload_output.'<br />'."\n";
+        }
+        $output .= '<input type ="hidden" name="number_embedded_items" value="'.
+                   $counter.'" />'."\n";
+        if ($actionurl eq '/adm/dependencies') { 
+            $output .= '<input type ="hidden" name="number_newemb_items" value="'.
+                       $numnew.'" />'."\n";
+        } elsif ($actionurl eq '') {
+            $output .=  '<input type="hidden" name="phase" value="three" />';
+        }
+    } elsif ($applies) {
+        $output = '<b>'.&mt('Referenced files').'</b>:<br />';
+        if ($applies > 1) {
+            $output .=  
+                &mt('No dependencies need to be uploaded, as one of the following applies to each reference:').'<ul>';
+            if ($numremref) {
+                $output .= '<li>'.&mt('reference is to a URL which points to another server').'</li>'."\n";
+            }
+            if ($numinvalid) {
+                $output .= '<li>'.&mt('reference is to file with a name containing invalid characters').'</li>'."\n";
+            }
+            if ($numexisting) {
+                $output .= '<li>'.&mt('reference is to an existing file at the specified location').'</li>'."\n";
+            }
+            $output .= '</ul><br />';
+        } elsif ($numremref) {
+            $output .= '<p>'.&mt('None to upload, as all references are to URLs pointing to another server.').'</p>';
+        } elsif ($numinvalid) {
+            $output .= '<p>'.&mt('None to upload, as all references are to files with names containing invalid characters.').'</p>';
+        } elsif ($numexisting) {
+            $output .= '<p>'.&mt('None to upload, as all references are to existing files.').'</p>';
+        }
+        $output .= $upload_output.'<br />';
+    }
+    my ($pathchange_output,$chgcount);
+    $chgcount = $counter;
+    if (keys(%pathchanges) > 0) {
+        foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%pathchanges)) {
+            if ($counter) {
+                $output .= &embedded_file_element('pathchange',$chgcount,
+                                                  $embed_file,\%mapping,
+                                                  $allfiles,$codebase,'change');
+            } else {
+                $pathchange_output .= 
+                    &start_data_table_row().
+                    '<td><input type ="checkbox" name="namechange" value="'.
+                    $chgcount.'" checked="checked" /></td>'.
+                    '<td>'.$mapping{$embed_file}.'</td>'.
+                    '<td>'.$embed_file.
+                    &embedded_file_element('pathchange',$numpathchg,$embed_file,
+                                           \%mapping,$allfiles,$codebase,'change').
+                    '</td>'.&end_data_table_row();
+            }
+            $numpathchg ++;
+            $chgcount ++;
+        }
+    }
+    if (($counter) || ($numunused)) {
+        if ($numpathchg) {
+            $output .= '<input type ="hidden" name="number_pathchange_items" value="'.
+                       $numpathchg.'" />'."\n";
+        }
+        if (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank') || 
+            ($actionurl eq '/adm/imsimport')) {
+            $output .= '<input type="hidden" name="phase" value="three" />'."\n";
+        } elsif ($actionurl eq '/adm/portfolio' || $actionurl eq '/adm/coursegrp_portfolio') {
+            $output .= '<input type="hidden" name="action" value="upload_embedded" />';
+        } elsif ($actionurl eq '/adm/dependencies') {
+            $output .= '<input type="hidden" name="action" value="process_changes" />';
+        }
+        $output .= '<input type ="submit" value="'.$buttontext.'" />'."\n".'</form>'."\n";
+    } elsif ($numpathchg) {
+        my %pathchange = ();
+        $output .= &modify_html_form('pathchange',$actionurl,$state,\%pathchange,$pathchange_output);
+        if (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
+            $output .= '<p>'.&mt('or').'</p>'; 
+        }
+    }
+    return ($output,$counter,$numpathchg);
+}
+
+=pod
+
+=item * clean_path($name)
+
+Performs clean-up of directories, subdirectories and filename in an
+embedded object, referenced in an HTML file which is being uploaded
+to a course or portfolio, where 
+"Upload embedded images/multimedia files if HTML file" checkbox was
+checked.
 
-            $upload_output.='<span class="LC_warning">'.&mt("Invalid characters").'</span>';
+Clean-up is similar to replacements in lonnet::clean_filename()
+except each / between sub-directory and next level is preserved.
+
+=cut
+
+sub clean_path {
+    my ($embed_file) = @_;
+    $embed_file =~s{^/+}{};
+    my @contents;
+    if ($embed_file =~ m{/}) {
+        @contents = split(/\//,$embed_file);
+    } else {
+        @contents = ($embed_file);
+    }
+    my $lastidx = scalar(@contents)-1;
+    for (my $i=0; $i<=$lastidx; $i++) { 
+        $contents[$i]=~s{\\}{/}g;
+        $contents[$i]=~s/\s+/\_/g;
+        $contents[$i]=~s{[^/\w\.\-]}{}g;
+        if ($i == $lastidx) {
+            $contents[$i]=~s/\.(\d+)(?=\.)/_$1/g;
+        }
+    }
+    if ($lastidx > 0) {
+        return join('/',@contents);
+    } else {
+        return $contents[0];
+    }
+}
+
+sub embedded_file_element {
+    my ($context,$num,$embed_file,$mapping,$allfiles,$codebase,$type) = @_;
+    return unless ((ref($mapping) eq 'HASH') && (ref($allfiles) eq 'HASH') &&
+                   (ref($codebase) eq 'HASH'));
+    my $output;
+    if (($context eq 'upload_embedded') && ($type ne 'delete')) {
+       $output = '<input name="embedded_item_'.$num.'" type="file" value="" />'."\n";
+    }
+    $output .= '<input name="embedded_orig_'.$num.'" type="hidden" value="'.
+               &escape($embed_file).'" />';
+    unless (($context eq 'upload_embedded') && 
+            ($mapping->{$embed_file} eq $embed_file)) {
+        $output .='
+        <input name="embedded_ref_'.$num.'" type="hidden" value="'.&escape($mapping->{$embed_file}).'" />';
+    }
+    my $attrib;
+    if (ref($allfiles->{$mapping->{$embed_file}}) eq 'ARRAY') {
+        $attrib = &escape(join(':',@{$allfiles->{$mapping->{$embed_file}}}));
+    }
+    $output .=
+        "\n\t\t".
+        '<input name="embedded_attrib_'.$num.'" type="hidden" value="'.
+        $attrib.'" />';
+    if (exists($codebase->{$mapping->{$embed_file}})) {
+        $output .=
+            "\n\t\t".
+            '<input name="codebase_'.$num.'" type="hidden" value="'.
+            &escape($codebase->{$mapping->{$embed_file}}).'" />';
+    }
+    return $output;
+}
 
+sub get_dependency_details {
+    my ($currfile,$currsubfile,$embed_file) = @_;
+    my ($size,$mtime,$showsize,$showmtime);
+    if ((ref($currfile) eq 'HASH') && (ref($currsubfile))) {
+        if ($embed_file =~ m{/}) {
+            my ($path,$fname) = split(/\//,$embed_file);
+            if (ref($currsubfile->{$path}{$fname}) eq 'ARRAY') {
+                ($size,$mtime) = @{$currsubfile->{$path}{$fname}};
+            }
         } else {
-            $upload_output .='
-           <input name="embedded_item_'.$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 $upload_output;
+            if (ref($currfile->{$embed_file}) eq 'ARRAY') {
+                ($size,$mtime) = @{$currfile->{$embed_file}};
+            }
+        }
+        $showsize = $size/1024.0;
+        $showsize = sprintf("%.1f",$showsize);
+        if ($mtime > 0) {
+            $showmtime = &Apache::lonlocal::locallocaltime($mtime);
+        }
+    }
+    return ($showsize,$showmtime);
+}
+
+sub ask_embedded_js {
+    return <<"END";
+<script type="text/javascript"">
+// <![CDATA[
+function toggleBrowse(counter) {
+    var chkboxid = document.getElementById('mod_upload_dep_'+counter);
+    var fileid = document.getElementById('embedded_item_'+counter);
+    var uploaddivid = document.getElementById('moduploaddep_'+counter);
+    if (chkboxid.checked == true) {
+        uploaddivid.style.display='block';
+    } else {
+        uploaddivid.style.display='none';
+        fileid.value = '';
+    }
+}
+// ]]>
+</script>
+
+END
 }
 
 sub upload_embedded {
     my ($context,$dirpath,$uname,$udom,$dir_root,$url_root,$group,$disk_quota,
-        $current_disk_usage) = @_;
-    my $output;
+        $current_disk_usage,$hiddenstate,$actionurl) = @_;
+    my (%pathchange,$output,$modifyform,$footer,$returnflag);
     for (my $i=0; $i<$env{'form.number_embedded_items'}; $i++) {
         next if (!exists($env{'form.embedded_item_'.$i.'.filename'}));
         my $orig_uploaded_filename =
             $env{'form.embedded_item_'.$i.'.filename'};
-
-        $env{'form.embedded_orig_'.$i} =
-            &unescape($env{'form.embedded_orig_'.$i});
+        foreach my $type ('orig','ref','attrib','codebase') {
+            if ($env{'form.embedded_'.$type.'_'.$i} ne '') {
+                $env{'form.embedded_'.$type.'_'.$i} =
+                    &unescape($env{'form.embedded_'.$type.'_'.$i});
+            }
+        }
         my ($path,$fname) =
             ($env{'form.embedded_orig_'.$i} =~ m{(.*/)([^/]*)});
         # no path, whole string is fname
         if (!$fname) { $fname = $env{'form.embedded_orig_'.$i} };
-
-        $path = $env{'form.currentpath'}.$path;
         $fname = &Apache::lonnet::clean_filename($fname);
         # See if there is anything left
         next if ($fname eq '');
@@ -7515,12 +10427,12 @@ sub upload_embedded {
             if ($group ne '') {
                 $port_path = "groups/$group/$port_path";
             }
-            ($state,$msg) = &check_for_upload($path,$fname,$group,'embedded_item_'.$i,
+            ($state,$msg) = &check_for_upload($env{'form.currentpath'}.$path,
+                                              $fname,$group,'embedded_item_'.$i,
                                               $dir_root,$port_path,$disk_quota,
                                               $current_disk_usage,$uname,$udom);
             if ($state eq 'will_exceed_quota'
-                || $state eq 'file_locked'
-                || $state eq 'file_exists' ) {
+                || $state eq 'file_locked') {
                 $output .= $msg;
                 next;
             }
@@ -7534,31 +10446,59 @@ sub upload_embedded {
         # Check if extension is valid
         if (($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);
+            $output .= &mt('Invalid file extension ([_1]) - reserved for internal use.',$1)
+                      .' '.&mt('Rename the file with a different extension and re-upload.').'<br />';
             next;
         } elsif (($fname =~ /\.(\w+)$/) &&
                  (!defined(&Apache::loncommon::fileembstyle($1)))) {
-            $output .= &mt('Unrecognized file extension ([_1]) - rename the file with a proper extension and re-upload.',$1);
+            $output .= &mt('Unrecognized file extension ([_1]) - rename the file with a proper extension and re-upload.',$1).'<br />';
             next;
         } elsif ($fname=~/\.(\d+)\.(\w+)$/) {
-            $output .= &mt('File name not allowed - rename the file to remove the number immediately before the file extension([_1]) and re-upload.',$2);
+            $output .= &mt('Filename not allowed - rename the file to remove the number immediately before the file extension([_1]) and re-upload.',$2).'<br />';
             next;
         }
-
         $env{'form.embedded_item_'.$i.'.filename'}=$fname;
+        my $subdir = $path;
+        $subdir =~ s{/+$}{};
         if ($context eq 'portfolio') {
-            my $result=
-                &Apache::lonnet::userfileupload('embedded_item_'.$i,'',
-                                                $dirpath.$path);
+            my $result;
+            if ($state eq 'existingfile') {
+                $result=
+                    &Apache::lonnet::userfileupload('embedded_item_'.$i,'existingfile',
+                                                    $dirpath.$env{'form.currentpath'}.$subdir);
+            } else {
+                $result=
+                    &Apache::lonnet::userfileupload('embedded_item_'.$i,'',
+                                                    $dirpath.
+                                                    $env{'form.currentpath'}.$subdir);
+                if ($result !~ m|^/uploaded/|) {
+                    $output .= '<span class="LC_error">'
+                               .&mt('An error occurred ([_1]) while trying to upload [_2] for embedded element [_3].'
+                               ,$result,$orig_uploaded_filename,$env{'form.embedded_orig_'.$i})
+                               .'</span><br />';
+                    next;
+                } else {
+                    $output .= &mt('Uploaded [_1]','<span class="LC_filename">'.
+                               $path.$fname.'</span>').'<br />';     
+                }
+            }
+        } elsif (($context eq 'coursedoc') || ($context eq 'syllabus')) {
+            my $extendedsubdir = $dirpath.'/'.$subdir;
+            $extendedsubdir =~ s{/+$}{};
+            my $result =
+                &Apache::lonnet::userfileupload('embedded_item_'.$i,$context,$extendedsubdir);
             if ($result !~ m|^/uploaded/|) {
                 $output .= '<span class="LC_error">'
-                      .&mt('An error occurred ([_1]) while trying to upload [_2] for embedded element [_3].'
+                           .&mt('An error occurred ([_1]) while trying to upload [_2] for embedded element [_3].'
                            ,$result,$orig_uploaded_filename,$env{'form.embedded_orig_'.$i})
-                      .'</span><br />';
-                next;
+                           .'</span><br />';
+                    next;
             } else {
-                $output .= '<p>'.&mt('Uploaded [_1]','<span class="LC_filename">'.
-                           $path.$fname.'</span>').'</p>';     
+                $output .= &mt('Uploaded [_1]','<span class="LC_filename">'.
+                           $path.$fname.'</span>').'<br />';
+                if ($context eq 'syllabus') {
+                    &Apache::lonnet::make_public_indefinitely($result);
+                }
             }
         } else {
 # Save the file
@@ -7566,12 +10506,12 @@ sub upload_embedded {
             my $fullpath = $dir_root.$dirpath.'/'.$path;
             my $dest = $fullpath.$fname;
             my $url = $url_root.$dirpath.'/'.$path.$fname;
-            my @parts=split(/\//,$fullpath);
+            my @parts=split(/\//,"$dirpath/$path");
             my $count;
             my $filepath = $dir_root;
-            for ($count=4;$count<=$#parts;$count++) {
-                $filepath .= "/$parts[$count]";
-                if ((-e $filepath)!=1) {
+            foreach my $subdir (@parts) {
+                $filepath .= "/$subdir";
+                if (!-e $filepath) {
                     mkdir($filepath,0770);
                 }
             }
@@ -7579,30 +10519,295 @@ sub upload_embedded {
             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}).
+                           &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}).
+                              &mt('An error occurred while writing the file [_1] for embedded element [_2].',
+                                  $orig_uploaded_filename,$env{'form.embedded_orig_'.$i}).
                               '</span><br />';
                 } else {
-                    if ($context eq 'testbank') {
-                        $output .= &mt('Embedded file uploaded successfully:').
-                                   '&nbsp;<a href="'.$url.'">'.
-                                   $orig_uploaded_filename.'</a><br />';
-                    } else {
-                        $output .= '<span class=\"LC_fontsize_large\">'.
-                                   &mt('View embedded file: [_1]','<a href="'.$url.'">'.
-                                   $orig_uploaded_filename.'</a>').'</span><br />';
+                    $output .= &mt('Uploaded [_1]','<span class="LC_filename">'.
+                               $url.'</span>').'<br />';
+                    unless ($context eq 'testbank') {
+                        $footer .= &mt('View embedded file: [_1]',
+                                       '<a href="'.$url.'">'.$fname.'</a>').'<br />';
                     }
                 }
                 close($fh);
             }
         }
+        if ($env{'form.embedded_ref_'.$i}) {
+            $pathchange{$i} = 1;
+        }
+    }
+    if ($output) {
+        $output = '<p>'.$output.'</p>';
+    }
+    $output .= &modify_html_form('upload_embedded',$actionurl,$hiddenstate,\%pathchange);
+    $returnflag = 'ok';
+    my $numpathchgs = scalar(keys(%pathchange));
+    if ($numpathchgs > 0) {
+        if ($context eq 'portfolio') {
+            $output .= '<p>'.&mt('or').'</p>';
+        } elsif ($context eq 'testbank') {
+            $output .=  '<p>'.&mt('Or [_1]continue[_2] the testbank import without modifying the reference(s).',
+                                  '<a href="javascript:document.testbankForm.submit();">','</a>').'</p>';
+            $returnflag = 'modify_orightml';
+        }
+    }
+    return ($output.$footer,$returnflag,$numpathchgs);
+}
+
+sub modify_html_form {
+    my ($context,$actionurl,$hiddenstate,$pathchange,$pathchgtable) = @_;
+    my $end = 0;
+    my $modifyform;
+    if ($context eq 'upload_embedded') {
+        return unless (ref($pathchange) eq 'HASH');
+        if ($env{'form.number_embedded_items'}) {
+            $end += $env{'form.number_embedded_items'};
+        }
+        if ($env{'form.number_pathchange_items'}) {
+            $end += $env{'form.number_pathchange_items'};
+        }
+        if ($end) {
+            for (my $i=0; $i<$end; $i++) {
+                if ($i < $env{'form.number_embedded_items'}) {
+                    next unless($pathchange->{$i});
+                }
+                $modifyform .=
+                    &start_data_table_row().
+                    '<td><input type ="checkbox" name="namechange" value="'.$i.'" '.
+                    'checked="checked" /></td>'.
+                    '<td>'.$env{'form.embedded_ref_'.$i}.
+                    '<input type="hidden" name="embedded_ref_'.$i.'" value="'.
+                    &escape($env{'form.embedded_ref_'.$i}).'" />'.
+                    '<input type="hidden" name="embedded_codebase_'.$i.'" value="'.
+                    &escape($env{'form.embedded_codebase_'.$i}).'" />'.
+                    '<input type="hidden" name="embedded_attrib_'.$i.'" value="'.
+                    &escape($env{'form.embedded_attrib_'.$i}).'" /></td>'.
+                    '<td>'.$env{'form.embedded_orig_'.$i}.
+                    '<input type="hidden" name="embedded_orig_'.$i.'" value="'.
+                    &escape($env{'form.embedded_orig_'.$i}).'" /></td>'.
+                    &end_data_table_row();
+            }
+        }
+    } else {
+        $modifyform = $pathchgtable;
+        if (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank')) {
+            $hiddenstate .= '<input type="hidden" name="phase" value="four" />';
+        } elsif (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
+            $hiddenstate .= '<input type="hidden" name="action" value="modify_orightml" />';
+        }
+    }
+    if ($modifyform) {
+        if ($actionurl eq '/adm/dependencies') {
+            $hiddenstate .= '<input type="hidden" name="action" value="modifyhrefs" />';
+        }
+        return '<h3>'.&mt('Changes in content of HTML file required').'</h3>'."\n".
+               '<p>'.&mt('Changes need to be made to the reference(s) used for one or more of the dependencies, if your HTML file is to work correctly:').'<ol>'."\n".
+               '<li>'.&mt('For consistency between the reference(s) and the location of the corresponding stored file within LON-CAPA.').'</li>'."\n".
+               '<li>'.&mt('To change absolute paths to relative paths, or replace directory traversal via "../" within the original reference.').'</li>'."\n".
+               '</ol></p>'."\n".'<p>'.
+               &mt('LON-CAPA can make the required changes to your HTML file.').'</p>'."\n".
+               '<form method="post" name="refchanger" action="'.$actionurl.'">'.
+               &start_data_table()."\n".
+               &start_data_table_header_row().
+               '<th>'.&mt('Change?').'</th>'.
+               '<th>'.&mt('Current reference').'</th>'.
+               '<th>'.&mt('Required reference').'</th>'.
+               &end_data_table_header_row()."\n".
+               $modifyform.
+               &end_data_table().'<br />'."\n".$hiddenstate.
+               '<input type="submit" name="pathchanges" value="'.&mt('Modify HTML file').'" />'.
+               '</form>'."\n";
+    }
+    return;
+}
+
+sub modify_html_refs {
+    my ($context,$dirpath,$uname,$udom,$dir_root,$url) = @_;
+    my $container;
+    if ($context eq 'portfolio') {
+        $container = $env{'form.container'};
+    } elsif ($context eq 'coursedoc') {
+        $container = $env{'form.primaryurl'};
+    } elsif ($context eq 'manage_dependencies') {
+        (undef,undef,$container) = &Apache::lonnet::decode_symb($env{'form.symb'});
+        $container = "/$container";
+    } elsif ($context eq 'syllabus') {
+        $container = $url;
+    } else {
+        $container = $Apache::lonnet::perlvar{'lonDocRoot'}.$env{'form.filename'};
+    }
+    my (%allfiles,%codebase,$output,$content);
+    my @changes = &get_env_multiple('form.namechange');
+    unless ((@changes > 0) || ($context eq 'syllabus')) {
+        if (wantarray) {
+            return ('',0,0); 
+        } else {
+            return;
+        }
+    }
+    if (($context eq 'portfolio') || ($context eq 'coursedoc') || 
+        ($context eq 'manage_dependencies') || ($context eq 'syllabus')) {
+        unless ($container =~ m{^/uploaded/\Q$udom\E/\Q$uname\E/}) {
+            if (wantarray) {
+                return ('',0,0);
+            } else {
+                return;
+            }
+        } 
+        $content = &Apache::lonnet::getfile($container);
+        if ($content eq '-1') {
+            if (wantarray) {
+                return ('',0,0);
+            } else {
+                return;
+            }
+        }
+    } else {
+        unless ($container =~ /^\Q$dir_root\E/) {
+            if (wantarray) {
+                return ('',0,0);
+            } else {
+                return;
+            }
+        } 
+        if (open(my $fh,"<$container")) {
+            $content = join('', <$fh>);
+            close($fh);
+        } else {
+            if (wantarray) {
+                return ('',0,0);
+            } else {
+                return;
+            }
+        }
+    }
+    my ($count,$codebasecount) = (0,0);
+    my $mm = new File::MMagic;
+    my $mime_type = $mm->checktype_contents($content);
+    if ($mime_type eq 'text/html') {
+        my $parse_result = 
+            &Apache::lonnet::extract_embedded_items($container,\%allfiles,
+                                                    \%codebase,\$content);
+        if ($parse_result eq 'ok') {
+            foreach my $i (@changes) {
+                my $orig = &unescape($env{'form.embedded_orig_'.$i});
+                my $ref = &unescape($env{'form.embedded_ref_'.$i});
+                if ($allfiles{$ref}) {
+                    my $newname =  $orig;
+                    my ($attrib_regexp,$codebase);
+                    $attrib_regexp = &unescape($env{'form.embedded_attrib_'.$i});
+                    if ($attrib_regexp =~ /:/) {
+                        $attrib_regexp =~ s/\:/|/g;
+                    }
+                    if ($content =~ m{($attrib_regexp\s*=\s*['"]?)\Q$ref\E(['"]?)}) {
+                        my $numchg = ($content =~ s{($attrib_regexp\s*=\s*['"]?)\Q$ref\E(['"]?)}{$1$newname$2}gi);
+                        $count += $numchg;
+                        $allfiles{$newname} = $allfiles{$ref};
+                        delete($allfiles{$ref});
+                    }
+                    if ($env{'form.embedded_codebase_'.$i} ne '') {
+                        $codebase = &unescape($env{'form.embedded_codebase_'.$i});
+                        my $numchg = ($content =~ s/(codebase\s*=\s*["']?)\Q$codebase\E(["']?)/$1.$2/i); #' stupid emacs
+                        $codebasecount ++;
+                    }
+                }
+            }
+            my $skiprewrites;
+            if ($count || $codebasecount) {
+                my $saveresult;
+                if (($context eq 'portfolio') || ($context eq 'coursedoc') || 
+                    ($context eq 'manage_dependencies') || ($context eq 'syllabus')) {
+                    my $url = &Apache::lonnet::store_edited_file($container,$content,$udom,$uname,\$saveresult);
+                    if ($url eq $container) {
+                        my ($fname) = ($container =~ m{/([^/]+)$});
+                        $output = '<p>'.&mt('Updated [quant,_1,reference] in [_2].',
+                                            $count,'<span class="LC_filename">'.
+                                            $fname.'</span>').'</p>';
+                    } else {
+                         $output = '<p class="LC_error">'.
+                                   &mt('Error: update failed for: [_1].',
+                                   '<span class="LC_filename">'.
+                                   $container.'</span>').'</p>';
+                    }
+                    if ($context eq 'syllabus') {
+                        unless ($saveresult eq 'ok') {
+                            $skiprewrites = 1;
+                        }
+                    }
+                } else {
+                    if (open(my $fh,">$container")) {
+                        print $fh $content;
+                        close($fh);
+                        $output = '<p>'.&mt('Updated [quant,_1,reference] in [_2].',
+                                  $count,'<span class="LC_filename">'.
+                                  $container.'</span>').'</p>';
+                    } else {
+                         $output = '<p class="LC_error">'.
+                                   &mt('Error: could not update [_1].',
+                                   '<span class="LC_filename">'.
+                                   $container.'</span>').'</p>';
+                    }
+                }
+            }
+            if (($context eq 'syllabus') && (!$skiprewrites)) {
+                my ($actionurl,$state);
+                $actionurl = "/public/$udom/$uname/syllabus";
+                my ($ignore,$num,$numpathchanges,$existing,$mapping) =
+                    &ask_for_embedded_content($actionurl,$state,\%allfiles,
+                                              \%codebase,
+                                              {'context' => 'rewrites',
+                                               'ignore_remote_references' => 1,});
+                if (ref($mapping) eq 'HASH') {
+                    my $rewrites = 0;
+                    foreach my $key (keys(%{$mapping})) {
+                        next if ($key =~ m{^https?://});
+                        my $ref = $mapping->{$key};
+                        my $newname = "/uploaded/$udom/$uname/portfolio/syllabus/$key";
+                        my $attrib;
+                        if (ref($allfiles{$mapping->{$key}}) eq 'ARRAY') {
+                            $attrib = join('|',@{$allfiles{$mapping->{$key}}});
+                        }
+                        if ($content =~ m{($attrib\s*=\s*['"]?)\Q$ref\E(['"]?)}) {
+                            my $numchg = ($content =~ s{($attrib\s*=\s*['"]?)\Q$ref\E(['"]?)}{$1$newname$2}gi);
+                            $rewrites += $numchg;
+                        }
+                    }
+                    if ($rewrites) {
+                        my $saveresult; 
+                        my $url = &Apache::lonnet::store_edited_file($container,$content,$udom,$uname,\$saveresult);
+                        if ($url eq $container) {
+                            my ($fname) = ($container =~ m{/([^/]+)$});
+                            $output .= '<p>'.&mt('Rewrote [quant,_1,link] as [quant,_1,absolute link] in [_2].',
+                                            $count,'<span class="LC_filename">'.
+                                            $fname.'</span>').'</p>';
+                        } else {
+                            $output .= '<p class="LC_error">'.
+                                       &mt('Error: could not update links in [_1].',
+                                       '<span class="LC_filename">'.
+                                       $container.'</span>').'</p>';
+
+                        }
+                    }
+                }
+            }
+        } else {
+            &logthis('Failed to parse '.$container.
+                     ' to modify references: '.$parse_result);
+        }
+    }
+    if (wantarray) {
+        return ($output,$count,$codebasecount);
+    } else {
+        return $output;
     }
-    return $output;
 }
 
 sub check_for_existing {
@@ -7624,22 +10829,73 @@ sub check_for_existing {
 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 $filesize = length($env{'form.'.$element});
+    if (!$filesize) {
+        my $msg = '<span class="LC_error">'.
+                  &mt('Unable to upload [_1]. (size = [_2] bytes)', 
+                      '<span class="LC_filename">'.$fname.'</span>',
+                      $filesize).'<br />'.
+                  &mt('Either the file you attempted to upload was empty, or your web browser was unable to read its contents.').'<br />'.
+                  '</span>';
+        return ('zero_bytes',$msg);
+    }
+    $filesize =  $filesize/1000; #express in k (1024?)
     my $getpropath = 1;
-    my @dir_list = &Apache::lonnet::dirlist($portfolio_root.$path,$udom,$uname,
-                                            $getpropath);
+    my ($dirlistref,$listerror) =
+         &Apache::lonnet::dirlist($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;
+    my @lockers;
+    my $navmap;
+    if ($env{'request.course.id'}) {
+        $navmap = Apache::lonnavmaps::navmap->new();
+    }
+    if (ref($dirlistref) eq 'ARRAY') {
+        foreach my $line (@{$dirlistref}) {
+            my ($file_name,$rest)=split(/\&/,$line,2);
+            if ($file_name eq $fname){
+                $file_name = $path.$file_name;
+                if ($group ne '') {
+                    $file_name = $group.$file_name;
+                }
+                $found_file = 1;
+                if (&Apache::lonnet::is_locked($file_name,$udom,$uname,\@lockers) eq 'true') {
+                    foreach my $lock (@lockers) {
+                        if (ref($lock) eq 'ARRAY') {
+                            my ($symb,$crsid) = @{$lock};
+                            if ($crsid eq $env{'request.course.id'}) {
+                                if (ref($navmap)) {
+                                    my $res = $navmap->getBySymb($symb);
+                                    foreach my $part (@{$res->parts()}) { 
+                                        my ($slot_status,$slot_time,$slot_name)=$res->check_for_slot($part);
+                                        unless (($slot_status == $res->RESERVED) ||
+                                                ($slot_status == $res->RESERVED_LOCATION)) {
+                                            $locked_file = 1;
+                                        }
+                                    }
+                                } else {
+                                    $locked_file = 1;
+                                }
+                            } else {
+                                $locked_file = 1;
+                            }
+                        }
+                   }
+                } else {
+                    my @info = split(/\&/,$rest);
+                    my $currsize = $info[6]/1000;
+                    if ($currsize < $filesize) {
+                        my $extra = $filesize - $currsize;
+                        if (($current_disk_usage + $extra) > $disk_quota) {
+                            my $msg = '<span class="LC_error">'.
+                                      &mt('Unable to upload [_1]. (size = [_2] kilobytes). Disk quota will be exceeded if existing (smaller) file with same name (size = [_3] kilobytes) is replaced.',
+                                          '<span class="LC_filename">'.$fname.'</span>',$filesize,$currsize).'</span>'.
+                                      '<br />'.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.',
+                                                   $disk_quota,$current_disk_usage);
+                            return ('will_exceed_quota',$msg);
+                        }
+                    }
+                }
             }
         }
     }
@@ -7657,15 +10913,1337 @@ sub check_for_upload {
             return ('file_locked',$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'});
+            $msg .= &mt(' A file by that name: [_1] was found in [_2].','<span class="LC_filename">'.$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',$msg);
+            return ('existingfile',$msg);
+        }
+    }
+}
+
+sub check_for_traversal {
+    my ($path,$url,$toplevel) = @_;
+    my @parts=split(/\//,$path);
+    my $cleanpath;
+    my $fullpath = $url;
+    for (my $i=0;$i<@parts;$i++) {
+        next if ($parts[$i] eq '.');
+        if ($parts[$i] eq '..') {
+            $fullpath =~ s{([^/]+/)$}{};
+        } else {
+            $fullpath .= $parts[$i].'/';
+        }
+    }
+    if ($fullpath =~ /^\Q$url\E(.*)$/) {
+        $cleanpath = $1;
+    } elsif ($fullpath =~ /^\Q$toplevel\E(.*)$/) {
+        my $curr_toprel = $1;
+        my @parts = split(/\//,$curr_toprel);
+        my ($url_toprel) = ($url =~ /^\Q$toplevel\E(.*)$/);
+        my @urlparts = split(/\//,$url_toprel);
+        my $doubledots;
+        my $startdiff = -1;
+        for (my $i=0; $i<@urlparts; $i++) {
+            if ($startdiff == -1) {
+                unless ($urlparts[$i] eq $parts[$i]) {
+                    $startdiff = $i;
+                    $doubledots .= '../';
+                }
+            } else {
+                $doubledots .= '../';
+            }
+        }
+        if ($startdiff > -1) {
+            $cleanpath = $doubledots;
+            for (my $i=$startdiff; $i<@parts; $i++) {
+                $cleanpath .= $parts[$i].'/';
+            }
+        }
+    }
+    $cleanpath =~ s{(/)$}{};
+    return $cleanpath;
+}
+
+sub is_archive_file {
+    my ($mimetype) = @_;
+    if (($mimetype eq 'application/octet-stream') ||
+        ($mimetype eq 'application/x-stuffit') ||
+        ($mimetype =~ m{^application/(x\-)?(compressed|tar|zip|tgz|gz|gtar|gzip|gunzip|bz|bz2|bzip2)})) {
+        return 1;
+    }
+    return;
+}
+
+sub decompress_form {
+    my ($mimetype,$archiveurl,$action,$noextract,$hiddenelements,$dirlist) = @_;
+    my %lt = &Apache::lonlocal::texthash (
+        this => 'This file is an archive file.',
+        camt => 'This file is a Camtasia archive file.',
+        itsc => 'Its contents are as follows:',
+        youm => 'You may wish to extract its contents.',
+        extr => 'Extract contents',
+        auto => 'LON-CAPA can process the files automatically, or you can decide how each should be handled.',
+        proa => 'Process automatically?',
+        yes  => 'Yes',
+        no   => 'No',
+        fold => 'Title for folder containing movie',
+        movi => 'Title for page containing embedded movie', 
+    );
+    my $fileloc = &Apache::lonnet::filelocation(undef,$archiveurl);
+    my ($is_camtasia,$topdir,%toplevel,@paths);
+    my $info = &list_archive_contents($fileloc,\@paths);
+    if (@paths) {
+        foreach my $path (@paths) {
+            $path =~ s{^/}{};
+            if ($path =~ m{^([^/]+)/$}) {
+                $topdir = $1;
+            }
+            if ($path =~ m{^([^/]+)/}) {
+                $toplevel{$1} = $path;
+            } else {
+                $toplevel{$path} = $path;
+            }
+        }
+    }
+    if ($mimetype =~ m{^application/(x\-)?(compressed|zip)}) {
+        my @camtasia = ("$topdir/","$topdir/index.html",
+                        "$topdir/media/",
+                        "$topdir/media/$topdir.mp4",
+                        "$topdir/media/FirstFrame.png",
+                        "$topdir/media/player.swf",
+                        "$topdir/media/swfobject.js",
+                        "$topdir/media/expressInstall.swf");
+        my @diffs = &compare_arrays(\@paths,\@camtasia);
+        if (@diffs == 0) {
+            $is_camtasia = 1;
+        }
+    }
+    my $output;
+    if ($is_camtasia) {
+        $output = <<"ENDCAM";
+<script type="text/javascript" language="Javascript">
+// <![CDATA[
+
+function camtasiaToggle() {
+    for (var i=0; i<document.uploaded_decompress.autoextract_camtasia.length; i++) {
+        if (document.uploaded_decompress.autoextract_camtasia[i].checked) {
+            if (document.uploaded_decompress.autoextract_camtasia[i].value == 1) {
+
+                document.getElementById('camtasia_titles').style.display='block';
+            } else {
+                document.getElementById('camtasia_titles').style.display='none';
+            }
+        }
+    }
+    return;
+}
+
+// ]]>
+</script>
+<p>$lt{'camt'}</p>
+ENDCAM
+    } else {
+        $output = '<p>'.$lt{'this'};
+        if ($info eq '') {
+            $output .= ' '.$lt{'youm'}.'</p>'."\n";
+        } else {
+            $output .= ' '.$lt{'itsc'}.'</p>'."\n".
+                       '<div><pre>'.$info.'</pre></div>';
+        }
+    }
+    $output .= '<form name="uploaded_decompress" action="'.$action.'" method="post">'."\n";
+    my $duplicates;
+    my $num = 0;
+    if (ref($dirlist) eq 'ARRAY') {
+        foreach my $item (@{$dirlist}) {
+            if (ref($item) eq 'ARRAY') {
+                if (exists($toplevel{$item->[0]})) {
+                    $duplicates .= 
+                        &start_data_table_row().
+                        '<td><label><input type="radio" name="archive_overwrite_'.$num.'" '.
+                        'value="0" checked="checked" />'.&mt('No').'</label>'.
+                        '&nbsp;<label><input type="radio" name="archive_overwrite_'.$num.'" '.
+                        'value="1" />'.&mt('Yes').'</label>'.
+                        '<input type="hidden" name="archive_overwrite_name_'.$num.'" value="'.$item->[0].'" /></td>'."\n".
+                        '<td>'.$item->[0].'</td>';
+                    if ($item->[2]) {
+                        $duplicates .= '<td>'.&mt('Directory').'</td>';
+                    } else {
+                        $duplicates .= '<td>'.&mt('File').'</td>';
+                    }
+                    $duplicates .= '<td>'.$item->[3].'</td>'.
+                                   '<td>'.
+                                   &Apache::lonlocal::locallocaltime($item->[4]).
+                                   '</td>'.
+                                   &end_data_table_row();
+                    $num ++;
+                }
+            }
+        }
+    }
+    my $itemcount;
+    if (@paths > 0) {
+        $itemcount = scalar(@paths);
+    } else {
+        $itemcount = 1;
+    }
+    if ($is_camtasia) {
+        $output .= $lt{'auto'}.'<br />'.
+                   '<span class="LC_nobreak">'.$lt{'proa'}.'<label>'.
+                   '<input type="radio" name="autoextract_camtasia" value="1" onclick="javascript:camtasiaToggle();" checked="checked" />'.
+                   $lt{'yes'}.'</label>&nbsp;<label>'.
+                   '<input type="radio" name="autoextract_camtasia" value="0" onclick="javascript:camtasiaToggle();" />'.
+                   $lt{'no'}.'</label></span><br />'.
+                   '<div id="camtasia_titles" style="display:block">'.
+                   &Apache::lonhtmlcommon::start_pick_box().
+                   &Apache::lonhtmlcommon::row_title($lt{'fold'}).
+                   '<input type="textbox" name="camtasia_foldername" value="'.$env{'form.comment'}.'" />'."\n".
+                   &Apache::lonhtmlcommon::row_closure().
+                   &Apache::lonhtmlcommon::row_title($lt{'movi'}).
+                   '<input type="textbox" name="camtasia_moviename" value="" />'."\n".
+                   &Apache::lonhtmlcommon::row_closure(1).
+                   &Apache::lonhtmlcommon::end_pick_box().
+                   '</div>';
+    }
+    $output .= 
+        '<input type="hidden" name="archive_overwrite_total" value="'.$num.'" />'.
+        '<input type="hidden" name="archive_itemcount" value="'.$itemcount.'" />'.
+        "\n";
+    if ($duplicates ne '') {
+        $output .= '<p><span class="LC_warning">'.
+                   &mt('Warning: decompression of the archive will overwrite the following items which already exist:').'</span><br />'.  
+                   &start_data_table().
+                   &start_data_table_header_row().
+                   '<th>'.&mt('Overwrite?').'</th>'.
+                   '<th>'.&mt('Name').'</th>'.
+                   '<th>'.&mt('Type').'</th>'.
+                   '<th>'.&mt('Size').'</th>'.
+                   '<th>'.&mt('Last modified').'</th>'.
+                   &end_data_table_header_row().
+                   $duplicates.
+                   &end_data_table().
+                   '</p>';
+    }
+    $output .= '<input type="hidden" name="archiveurl" value="'.$archiveurl.'" />'."\n";
+    if (ref($hiddenelements) eq 'HASH') {
+        foreach my $hidden (sort(keys(%{$hiddenelements}))) {
+            $output .= '<input type="hidden" name="'.$hidden.'" value="'.$hiddenelements->{$hidden}.'" />'."\n";
+        }
+    }
+    $output .= <<"END";
+<br />
+<input type="submit" name="decompress" value="$lt{'extr'}" />
+</form>
+$noextract
+END
+    return $output;
+}
+
+sub decompression_utility {
+    my ($program) = @_;
+    my @utilities = ('tar','gunzip','bunzip2','unzip'); 
+    my $location;
+    if (grep(/^\Q$program\E$/,@utilities)) { 
+        foreach my $dir ('/bin/','/usr/bin/','/usr/local/bin/','/sbin/',
+                         '/usr/sbin/') {
+            if (-x $dir.$program) {
+                $location = $dir.$program;
+                last;
+            }
+        }
+    }
+    return $location;
+}
+
+sub list_archive_contents {
+    my ($file,$pathsref) = @_;
+    my (@cmd,$output);
+    my $needsregexp;
+    if ($file =~ /\.zip$/) {
+        @cmd = (&decompression_utility('unzip'),"-l");
+        $needsregexp = 1;
+    } elsif (($file =~ m/\.tar\.gz$/) ||
+             ($file =~ /\.tgz$/)) {
+        @cmd = (&decompression_utility('tar'),"-ztf");
+    } elsif ($file =~ /\.tar\.bz2$/) {
+        @cmd = (&decompression_utility('tar'),"-jtf");
+    } elsif ($file =~ m|\.tar$|) {
+        @cmd = (&decompression_utility('tar'),"-tf");
+    }
+    if (@cmd) {
+        undef($!);
+        undef($@);
+        if (open(my $fh,"-|", @cmd, $file)) {
+            while (my $line = <$fh>) {
+                $output .= $line;
+                chomp($line);
+                my $item;
+                if ($needsregexp) {
+                    ($item) = ($line =~ /^\s*\d+\s+[\d\-]+\s+[\d:]+\s*(.+)$/); 
+                } else {
+                    $item = $line;
+                }
+                if ($item ne '') {
+                    unless (grep(/^\Q$item\E$/,@{$pathsref})) {
+                        push(@{$pathsref},$item);
+                    } 
+                }
+            }
+            close($fh);
+        }
+    }
+    return $output;
+}
+
+sub decompress_uploaded_file {
+    my ($file,$dir) = @_;
+    &Apache::lonnet::appenv({'cgi.file' => $file});
+    &Apache::lonnet::appenv({'cgi.dir' => $dir});
+    my $result = &Apache::lonnet::ssi_body('/cgi-bin/decompress.pl');
+    my ($handle) = ($env{'user.environment'} =~m{/([^/]+)\.id$});
+    my $lonidsdir = $Apache::lonnet::perlvar{'lonIDsDir'};
+    &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle,1);
+    my $decompressed = $env{'cgi.decompressed'};
+    &Apache::lonnet::delenv('cgi.file');
+    &Apache::lonnet::delenv('cgi.dir');
+    &Apache::lonnet::delenv('cgi.decompressed');
+    return ($decompressed,$result);
+}
+
+sub process_decompression {
+    my ($docudom,$docuname,$file,$destination,$dir_root,$hiddenelem) = @_;
+    my ($dir,$error,$warning,$output);
+    if ($file !~ /\.(zip|tar|bz2|gz|tar.gz|tar.bz2|tgz)$/) {
+        $error = &mt('Filename not a supported archive file type.').
+                 '<br />'.&mt('Filename should end with one of: [_1].',
+                              '.zip, .tar, .bz2, .gz, .tar.gz, .tar.bz2, .tgz');
+    } else {
+        my $docuhome = &Apache::lonnet::homeserver($docuname,$docudom);
+        if ($docuhome eq 'no_host') {
+            $error = &mt('Could not determine home server for course.');
+        } else {
+            my @ids=&Apache::lonnet::current_machine_ids();
+            my $currdir = "$dir_root/$destination";
+            if (grep(/^\Q$docuhome\E$/,@ids)) {
+                $dir = &LONCAPA::propath($docudom,$docuname).
+                       "$dir_root/$destination";
+            } else {
+                $dir = $Apache::lonnet::perlvar{'lonDocRoot'}.
+                       "$dir_root/$docudom/$docuname/$destination";
+                unless (&Apache::lonnet::repcopy_userfile("$dir/$file") eq 'ok') {
+                    $error = &mt('Archive file not found.');
+                }
+            }
+            my (@to_overwrite,@to_skip);
+            if ($env{'form.archive_overwrite_total'} > 0) {
+                my $total = $env{'form.archive_overwrite_total'};
+                for (my $i=0; $i<$total; $i++) {
+                    if ($env{'form.archive_overwrite_'.$i} == 1) {
+                        push(@to_overwrite,$env{'form.archive_overwrite_name_'.$i});
+                    } elsif ($env{'form.archive_overwrite_'.$i} == 0) {
+                        push(@to_skip,$env{'form.archive_overwrite_name_'.$i});
+                    }
+                }
+            }
+            my $numskip = scalar(@to_skip);
+            if (($numskip > 0) && 
+                ($numskip == $env{'form.archive_itemcount'})) {
+                $warning = &mt('All items in the archive file already exist, and no overwriting of existing files has been requested.');         
+            } elsif ($dir eq '') {
+                $error = &mt('Directory containing archive file unavailable.');
+            } elsif (!$error) {
+                my ($decompressed,$display);
+                if ($numskip > 0) {
+                    my $tempdir = time.'_'.$$.int(rand(10000));
+                    mkdir("$dir/$tempdir",0755);
+                    system("mv $dir/$file $dir/$tempdir/$file");
+                    ($decompressed,$display) = 
+                        &decompress_uploaded_file($file,"$dir/$tempdir");
+                    foreach my $item (@to_skip) {
+                        if (($item ne '') && ($item !~ /\.\./)) {
+                            if (-f "$dir/$tempdir/$item") { 
+                                unlink("$dir/$tempdir/$item");
+                            } elsif (-d "$dir/$tempdir/$item") {
+                                system("rm -rf $dir/$tempdir/$item");
+                            }
+                        }
+                    }
+                    system("mv $dir/$tempdir/* $dir");
+                    rmdir("$dir/$tempdir");   
+                } else {
+                    ($decompressed,$display) = 
+                        &decompress_uploaded_file($file,$dir);
+                }
+                if ($decompressed eq 'ok') {
+                    $output = '<p class="LC_info">'.
+                              &mt('Files extracted successfully from archive.').
+                              '</p>'."\n";
+                    my ($warning,$result,@contents);
+                    my ($newdirlistref,$newlisterror) =
+                        &Apache::lonnet::dirlist($currdir,$docudom,
+                                                 $docuname,1);
+                    my (%is_dir,%changes,@newitems);
+                    my $dirptr = 16384;
+                    if (ref($newdirlistref) eq 'ARRAY') {
+                        foreach my $dir_line (@{$newdirlistref}) {
+                            my ($item,undef,undef,$testdir)=split(/\&/,$dir_line,5);
+                            unless (($item =~ /^\.+$/) || ($item eq $file) || 
+                                    ((@to_skip > 0) && (grep(/^\Q$item\E$/,@to_skip)))) {
+                                push(@newitems,$item);
+                                if ($dirptr&$testdir) {
+                                    $is_dir{$item} = 1;
+                                }
+                                $changes{$item} = 1;
+                            }
+                        }
+                    }
+                    if (keys(%changes) > 0) {
+                        foreach my $item (sort(@newitems)) {
+                            if ($changes{$item}) {
+                                push(@contents,$item);
+                            }
+                        }
+                    }
+                    if (@contents > 0) {
+                        my $wantform;
+                        unless ($env{'form.autoextract_camtasia'}) {
+                            $wantform = 1;
+                        }
+                        my (%children,%parent,%dirorder,%titles);
+                        my ($count,$datatable) = &get_extracted($docudom,$docuname,
+                                                                $currdir,\%is_dir,
+                                                                \%children,\%parent,
+                                                                \@contents,\%dirorder,
+                                                                \%titles,$wantform);
+                        if ($datatable ne '') {
+                            $output .= &archive_options_form('decompressed',$datatable,
+                                                             $count,$hiddenelem);
+                            my $startcount = 6;
+                            $output .= &archive_javascript($startcount,$count,
+                                                           \%titles,\%children);
+                        }
+                        if ($env{'form.autoextract_camtasia'}) {
+                            my %displayed;
+                            my $total = 1;
+                            $env{'form.archive_directory'} = [];
+                            foreach my $i (sort { $a <=> $b } keys(%dirorder)) {
+                                my $path = join('/',map { $titles{$_}; } @{$dirorder{$i}});
+                                $path =~ s{/$}{};
+                                my $item;
+                                if ($path ne '') {
+                                    $item = "$path/$titles{$i}";
+                                } else {
+                                    $item = $titles{$i};
+                                }
+                                $env{'form.archive_content_'.$i} = "$dir_root/$destination/$item";
+                                if ($item eq $contents[0]) {
+                                    push(@{$env{'form.archive_directory'}},$i);
+                                    $env{'form.archive_'.$i} = 'display';
+                                    $env{'form.archive_title_'.$i} = $env{'form.camtasia_foldername'};
+                                    $displayed{'folder'} = $i;
+                                } elsif ($item eq "$contents[0]/index.html") {
+                                    $env{'form.archive_'.$i} = 'display';
+                                    $env{'form.archive_title_'.$i} = $env{'form.camtasia_moviename'};
+                                    $displayed{'web'} = $i;
+                                } else {
+                                    if ($item eq "$contents[0]/media") {
+                                        push(@{$env{'form.archive_directory'}},$i);
+                                    }
+                                    $env{'form.archive_'.$i} = 'dependency';
+                                }
+                                $total ++;
+                            }
+                            for (my $i=1; $i<$total; $i++) {
+                                next if ($i == $displayed{'web'});
+                                next if ($i == $displayed{'folder'});
+                                $env{'form.archive_dependent_on_'.$i} = $displayed{'web'};
+                            }
+                            $env{'form.phase'} = 'decompress_cleanup';
+                            $env{'form.archivedelete'} = 1;
+                            $env{'form.archive_count'} = $total-1;
+                            $output .=
+                                &process_extracted_files('coursedocs',$docudom,
+                                                         $docuname,$destination,
+                                                         $dir_root,$hiddenelem);
+                        }
+                    } else {
+                        $warning = &mt('No new items extracted from archive file.');
+                    }
+                } else {
+                    $output = $display;
+                    $error = &mt('An error occurred during extraction from the archive file.');
+                }
+            }
+        }
+    }
+    if ($error) {
+        $output .= '<p class="LC_error">'.&mt('Not extracted.').'<br />'.
+                   $error.'</p>'."\n";
+    }
+    if ($warning) {
+        $output .= '<p class="LC_warning">'.$warning.'</p>'."\n";
+    }
+    return $output;
+}
+
+sub get_extracted {
+    my ($docudom,$docuname,$currdir,$is_dir,$children,$parent,$contents,$dirorder,
+        $titles,$wantform) = @_;
+    my $count = 0;
+    my $depth = 0;
+    my $datatable;
+    my @hierarchy;
+    return unless ((ref($is_dir) eq 'HASH') && (ref($children) eq 'HASH') &&
+                   (ref($parent) eq 'HASH') && (ref($contents) eq 'ARRAY') &&
+                   (ref($dirorder) eq 'HASH') && (ref($titles) eq 'HASH'));
+    foreach my $item (@{$contents}) {
+        $count ++;
+        @{$dirorder->{$count}} = @hierarchy;
+        $titles->{$count} = $item;
+        &archive_hierarchy($depth,$count,$parent,$children);
+        if ($wantform) {
+            $datatable .= &archive_row($is_dir->{$item},$item,
+                                       $currdir,$depth,$count);
+        }
+        if ($is_dir->{$item}) {
+            $depth ++;
+            push(@hierarchy,$count);
+            $parent->{$depth} = $count;
+            $datatable .=
+                &recurse_extracted_archive("$currdir/$item",$docudom,$docuname,
+                                           \$depth,\$count,\@hierarchy,$dirorder,
+                                           $children,$parent,$titles,$wantform);
+            $depth --;
+            pop(@hierarchy);
+        }
+    }
+    return ($count,$datatable);
+}
+
+sub recurse_extracted_archive {
+    my ($currdir,$docudom,$docuname,$depth,$count,$hierarchy,$dirorder,
+        $children,$parent,$titles,$wantform) = @_;
+    my $result='';
+    unless ((ref($depth)) && (ref($count)) && (ref($hierarchy) eq 'ARRAY') &&
+            (ref($children) eq 'HASH') && (ref($parent) eq 'HASH') &&
+            (ref($dirorder) eq 'HASH')) {
+        return $result;
+    }
+    my $dirptr = 16384;
+    my ($newdirlistref,$newlisterror) =
+        &Apache::lonnet::dirlist($currdir,$docudom,$docuname,1);
+    if (ref($newdirlistref) eq 'ARRAY') {
+        foreach my $dir_line (@{$newdirlistref}) {
+            my ($item,undef,undef,$testdir)=split(/\&/,$dir_line,5);
+            unless ($item =~ /^\.+$/) {
+                $$count ++;
+                @{$dirorder->{$$count}} = @{$hierarchy};
+                $titles->{$$count} = $item;
+                &archive_hierarchy($$depth,$$count,$parent,$children);
+
+                my $is_dir;
+                if ($dirptr&$testdir) {
+                    $is_dir = 1;
+                }
+                if ($wantform) {
+                    $result .= &archive_row($is_dir,$item,$currdir,$$depth,$$count);
+                }
+                if ($is_dir) {
+                    $$depth ++;
+                    push(@{$hierarchy},$$count);
+                    $parent->{$$depth} = $$count;
+                    $result .=
+                        &recurse_extracted_archive("$currdir/$item",$docudom,
+                                                   $docuname,$depth,$count,
+                                                   $hierarchy,$dirorder,$children,
+                                                   $parent,$titles,$wantform);
+                    $$depth --;
+                    pop(@{$hierarchy});
+                }
+            }
+        }
+    }
+    return $result;
+}
+
+sub archive_hierarchy {
+    my ($depth,$count,$parent,$children) =@_;
+    if ((ref($parent) eq 'HASH') && (ref($children) eq 'HASH')) {
+        if (exists($parent->{$depth})) {
+             $children->{$parent->{$depth}} .= $count.':';
+        }
+    }
+    return;
+}
+
+sub archive_row {
+    my ($is_dir,$item,$currdir,$depth,$count) = @_;
+    my ($name) = ($item =~ m{([^/]+)$});
+    my %choices = &Apache::lonlocal::texthash (
+                                       'display'    => 'Add as file',
+                                       'dependency' => 'Include as dependency',
+                                       'discard'    => 'Discard',
+                                      );
+    if ($is_dir) {
+        $choices{'display'} = &mt('Add as folder'); 
+    }
+    my $output = &start_data_table_row().'<td align="right">'.$count.'</td>'."\n";
+    my $offset = 0;
+    foreach my $action ('display','dependency','discard') {
+        $offset ++;
+        if ($action ne 'display') {
+            $offset ++;
+        }  
+        $output .= '<td><span class="LC_nobreak">'.
+                   '<label><input type="radio" name="archive_'.$count.
+                   '" id="archive_'.$action.'_'.$count.'" value="'.$action.'"';
+        my $text = $choices{$action};
+        if ($is_dir) {
+            $output .= ' onclick="javascript:propagateCheck(this.form,'."'$count'".');"';
+            if ($action eq 'display') {
+                $text = &mt('Add as folder');
+            }
+        } else {
+            $output .= ' onclick="javascript:dependencyCheck(this.form,'."$count,$offset".');"';
+
+        }
+        $output .= ' />&nbsp;'.$choices{$action}.'</label></span>';
+        if ($action eq 'dependency') {
+            $output .= '<div id="arc_depon_'.$count.'" style="display:none;">'."\n".
+                       &mt('Used by:').'&nbsp;<select name="archive_dependent_on_'.$count.'" '.
+                       'onchange="propagateSelect(this.form,'."$count,$offset".')">'."\n".
+                       '<option value=""></option>'."\n".
+                       '</select>'."\n".
+                       '</div>';
+        } elsif ($action eq 'display') {
+            $output .= '<div id="arc_title_'.$count.'" style="display:none;">'."\n".
+                       &mt('Title:').'&nbsp;<input type="text" name="archive_title_'.$count.'" id="archive_title_'.$count.'" />'."\n".
+                       '</div>';
+        }
+        $output .= '</td>';
+    }
+    $output .= '<td><input type="hidden" name="archive_content_'.$count.'" value="'.
+               &HTML::Entities::encode("$currdir/$item",'"<>&').'" />'.('&nbsp;' x 2);
+    for (my $i=0; $i<$depth; $i++) {
+        $output .= ('<img src="/adm/lonIcons/whitespace1.gif" class="LC_docs_spacer" alt="" />' x2)."\n";
+    }
+    if ($is_dir) {
+        $output .= '<img src="/adm/lonIcons/navmap.folder.open.gif" alt="" />&nbsp;'."\n".
+                   '<input type="hidden" name="archive_directory" value="'.$count.'" />'."\n";
+    } else {
+        $output .= '<input type="hidden" name="archive_file" value="'.$count.'" />'."\n";
+    }
+    $output .= '&nbsp;'.$name.'</td>'."\n".
+               &end_data_table_row();
+    return $output;
+}
+
+sub archive_options_form {
+    my ($form,$display,$count,$hiddenelem) = @_;
+    my %lt = &Apache::lonlocal::texthash(
+               perm => 'Permanently remove archive file?',
+               hows => 'How should each extracted item be incorporated in the course?',
+               cont => 'Content actions for all',
+               addf => 'Add as folder/file',
+               incd => 'Include as dependency for a displayed file',
+               disc => 'Discard',
+               no   => 'No',
+               yes  => 'Yes',
+               save => 'Save',
+    );
+    my $output = <<"END";
+<form name="$form" method="post" action="">
+<p><span class="LC_nobreak">$lt{'perm'}&nbsp;
+<label>
+  <input type="radio" name="archivedelete" value="0" checked="checked" />$lt{'no'}
+</label>
+&nbsp;
+<label>
+  <input type="radio" name="archivedelete" value="1" />$lt{'yes'}</label>
+</span>
+</p>
+<input type="hidden" name="phase" value="decompress_cleanup" />
+<br />$lt{'hows'}
+<div class="LC_columnSection">
+  <fieldset>
+    <legend>$lt{'cont'}</legend>
+    <input type="button" value="$lt{'addf'}" onclick="javascript:checkAll(document.$form,'display');" /> 
+    &nbsp;&nbsp;<input type="button" value="$lt{'incd'}" onclick="javascript:checkAll(document.$form,'dependency');" />
+    &nbsp;&nbsp;<input type="button" value="$lt{'disc'}" onclick="javascript:checkAll(document.$form,'discard');" />
+  </fieldset>
+</div>
+END
+    return $output.
+           &start_data_table()."\n".
+           $display."\n".
+           &end_data_table()."\n".
+           '<input type="hidden" name="archive_count" value="'.$count.'" />'.
+           $hiddenelem.
+           '<br /><input type="submit" name="archive_submit" value="'.$lt{'save'}.'" />'.
+           '</form>';
+}
+
+sub archive_javascript {
+    my ($startcount,$numitems,$titles,$children) = @_;
+    return unless ((ref($titles) eq 'HASH') && (ref($children) eq 'HASH'));
+    my $maintitle = $env{'form.comment'};
+    my $scripttag = <<START;
+<script type="text/javascript">
+// <![CDATA[
+
+function checkAll(form,prefix) {
+    var idstr =  new RegExp("^archive_"+prefix+"_\\\\d+\$");
+    for (var i=0; i < form.elements.length; i++) {
+        var id = form.elements[i].id;
+        if ((id != '') && (id != undefined)) {
+            if (idstr.test(id)) {
+                if (form.elements[i].type == 'radio') {
+                    form.elements[i].checked = true;
+                    var nostart = i-$startcount;
+                    var offset = nostart%7;
+                    var count = (nostart-offset)/7;    
+                    dependencyCheck(form,count,offset);
+                }
+            }
+        }
+    }
+}
+
+function propagateCheck(form,count) {
+    if (count > 0) {
+        var startelement = $startcount + ((count-1) * 7);
+        for (var j=1; j<6; j++) {
+            if ((j != 2) && (j != 4)) {
+                var item = startelement + j; 
+                if (form.elements[item].type == 'radio') {
+                    if (form.elements[item].checked) {
+                        containerCheck(form,count,j);
+                        break;
+                    }
+                }
+            }
+        }
+    }
+}
+
+numitems = $numitems
+var titles = new Array(numitems);
+var parents = new Array(numitems);
+for (var i=0; i<numitems; i++) {
+    parents[i] = new Array;
+}
+var maintitle = '$maintitle';
+
+START
+
+    foreach my $container (sort { $a <=> $b } (keys(%{$children}))) {
+        my @contents = split(/:/,$children->{$container});
+        for (my $i=0; $i<@contents; $i ++) {
+            $scripttag .= 'parents['.$container.']['.$i.'] = '.$contents[$i]."\n";
+        }
+    }
+
+    foreach my $key (sort { $a <=> $b } (keys(%{$titles}))) {
+        $scripttag .= "titles[$key] = '".$titles->{$key}."';\n";
+    }
+
+    $scripttag .= <<END;
+
+function containerCheck(form,count,offset) {
+    if (count > 0) {
+        dependencyCheck(form,count,offset);
+        var item = (offset+$startcount)+7*(count-1);
+        form.elements[item].checked = true;
+        if(Object.prototype.toString.call(parents[count]) === '[object Array]') {
+            if (parents[count].length > 0) {
+                for (var j=0; j<parents[count].length; j++) {
+                    containerCheck(form,parents[count][j],offset);
+                }
+            }
+        }
+    }
+}
+
+function dependencyCheck(form,count,offset) {
+    if (count > 0) {
+        var chosen = (offset+$startcount)+7*(count-1);
+        var depitem = $startcount + ((count-1) * 7) + 4;
+        var currtype = form.elements[depitem].type;
+        if (form.elements[chosen].value == 'dependency') {
+            document.getElementById('arc_depon_'+count).style.display='block'; 
+            form.elements[depitem].options.length = 0;
+            form.elements[depitem].options[0] = new Option('Select','',true,true);
+            for (var i=1; i<=numitems; i++) {
+                if (i == count) {
+                    continue;
+                }
+                var startelement = $startcount + (i-1) * 7;
+                for (var j=1; j<6; j++) {
+                    if ((j != 2) && (j!= 4)) {
+                        var item = startelement + j;
+                        if (form.elements[item].type == 'radio') {
+                            if (form.elements[item].checked) {
+                                if (form.elements[item].value == 'display') {
+                                    var n = form.elements[depitem].options.length;
+                                    form.elements[depitem].options[n] = new Option(titles[i],i,false,false);
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        } else {
+            document.getElementById('arc_depon_'+count).style.display='none';
+            form.elements[depitem].options.length = 0;
+            form.elements[depitem].options[0] = new Option('Select','',true,true);
+        }
+        titleCheck(form,count,offset);
+    }
+}
+
+function propagateSelect(form,count,offset) {
+    if (count > 0) {
+        var item = (1+offset+$startcount)+7*(count-1);
+        var picked = form.elements[item].options[form.elements[item].selectedIndex].value; 
+        if (Object.prototype.toString.call(parents[count]) === '[object Array]') {
+            if (parents[count].length > 0) {
+                for (var j=0; j<parents[count].length; j++) {
+                    containerSelect(form,parents[count][j],offset,picked);
+                }
+            }
+        }
+    }
+}
+
+function containerSelect(form,count,offset,picked) {
+    if (count > 0) {
+        var item = (offset+$startcount)+7*(count-1);
+        if (form.elements[item].type == 'radio') {
+            if (form.elements[item].value == 'dependency') {
+                if (form.elements[item+1].type == 'select-one') {
+                    for (var i=0; i<form.elements[item+1].options.length; i++) {
+                        if (form.elements[item+1].options[i].value == picked) {
+                            form.elements[item+1].selectedIndex = i;
+                            break;
+                        }
+                    }
+                }
+                if (Object.prototype.toString.call(parents[count]) === '[object Array]') {
+                    if (parents[count].length > 0) {
+                        for (var j=0; j<parents[count].length; j++) {
+                            containerSelect(form,parents[count][j],offset,picked);
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+function titleCheck(form,count,offset) {
+    if (count > 0) {
+        var chosen = (offset+$startcount)+7*(count-1);
+        var depitem = $startcount + ((count-1) * 7) + 2;
+        var currtype = form.elements[depitem].type;
+        if (form.elements[chosen].value == 'display') {
+            document.getElementById('arc_title_'+count).style.display='block';
+            if ((count==1) && ((parents[count].length > 0) || (numitems == 1))) {
+                document.getElementById('archive_title_'+count).value=maintitle;
+            }
+        } else {
+            document.getElementById('arc_title_'+count).style.display='none';
+            if (currtype == 'text') { 
+                document.getElementById('archive_title_'+count).value='';
+            }
+        }
+    }
+    return;
+}
+
+// ]]>
+</script>
+END
+    return $scripttag;
+}
+
+sub process_extracted_files {
+    my ($context,$docudom,$docuname,$destination,$dir_root,$hiddenelem) = @_;
+    my $numitems = $env{'form.archive_count'};
+    return unless ($numitems);
+    my @ids=&Apache::lonnet::current_machine_ids();
+    my ($prefix,$pathtocheck,$dir,$ishome,$error,$warning,%toplevelitems,%is_dir,
+        %folders,%containers,%mapinner,%prompttofetch);
+    my $docuhome = &Apache::lonnet::homeserver($docuname,$docudom);
+    if (grep(/^\Q$docuhome\E$/,@ids)) {
+        $prefix = &LONCAPA::propath($docudom,$docuname);
+        $pathtocheck = "$dir_root/$destination";
+        $dir = $dir_root;
+        $ishome = 1;
+    } else {
+        $prefix = $Apache::lonnet::perlvar{'lonDocRoot'};
+        $pathtocheck = "$dir_root/$docudom/$docuname/$destination";
+        $dir = "$dir_root/$docudom/$docuname";    
+    }
+    my $currdir = "$dir_root/$destination";
+    (my $docstype,$mapinner{'0'}) = ($destination =~ m{^(docs|supplemental)/(\w+)/});
+    if ($env{'form.folderpath'}) {
+        my @items = split('&',$env{'form.folderpath'});
+        $folders{'0'} = $items[-2];
+        if ($env{'form.folderpath'} =~ /\:1$/) {
+            $containers{'0'}='page';
+        } else {  
+            $containers{'0'}='sequence';
+        }
+    }
+    my @archdirs = &get_env_multiple('form.archive_directory');
+    if ($numitems) {
+        for (my $i=1; $i<=$numitems; $i++) {
+            my $path = $env{'form.archive_content_'.$i};
+            if ($path =~ m{^\Q$pathtocheck\E/([^/]+)$}) {
+                my $item = $1;
+                $toplevelitems{$item} = $i;
+                if (grep(/^\Q$i\E$/,@archdirs)) {
+                    $is_dir{$item} = 1;
+                }
+            }
+        }
+    }
+    my ($output,%children,%parent,%titles,%dirorder,$result);
+    if (keys(%toplevelitems) > 0) {
+        my @contents = sort(keys(%toplevelitems));
+        (my $count,undef) = &get_extracted($docudom,$docuname,$currdir,\%is_dir,\%children,
+                                           \%parent,\@contents,\%dirorder,\%titles);
+    }
+    my (%referrer,%orphaned,%todelete,%todeletedir,%newdest,%newseqid);
+    if ($numitems) {
+        for (my $i=1; $i<=$numitems; $i++) {
+            next if ($env{'form.archive_'.$i} eq 'dependency');
+            my $path = $env{'form.archive_content_'.$i};
+            if ($path =~ /^\Q$pathtocheck\E/) {
+                if ($env{'form.archive_'.$i} eq 'discard') {
+                    if ($prefix ne '' && $path ne '') {
+                        if (-e $prefix.$path) {
+                            if ((@archdirs > 0) && 
+                                (grep(/^\Q$i\E$/,@archdirs))) {
+                                $todeletedir{$prefix.$path} = 1;
+                            } else {
+                                $todelete{$prefix.$path} = 1;
+                            }
+                        }
+                    }
+                } elsif ($env{'form.archive_'.$i} eq 'display') {
+                    my ($docstitle,$title,$url,$outer);
+                    ($title) = ($path =~ m{/([^/]+)$});
+                    $docstitle = $env{'form.archive_title_'.$i};
+                    if ($docstitle eq '') {
+                        $docstitle = $title;
+                    }
+                    $outer = 0;
+                    if (ref($dirorder{$i}) eq 'ARRAY') {
+                        if (@{$dirorder{$i}} > 0) {
+                            foreach my $item (reverse(@{$dirorder{$i}})) {
+                                if ($env{'form.archive_'.$item} eq 'display') {
+                                    $outer = $item;
+                                    last;
+                                }
+                            }
+                        }
+                    }
+                    my ($errtext,$fatal) = 
+                        &LONCAPA::map::mapread('/uploaded/'.$docudom.'/'.$docuname.
+                                               '/'.$folders{$outer}.'.'.
+                                               $containers{$outer});
+                    next if ($fatal);
+                    if ((@archdirs > 0) && (grep(/^\Q$i\E$/,@archdirs))) {
+                        if ($context eq 'coursedocs') {
+                            $mapinner{$i} = time;
+                            $folders{$i} = 'default_'.$mapinner{$i};
+                            $containers{$i} = 'sequence';
+                            my $url = '/uploaded/'.$docudom.'/'.$docuname.'/'.
+                                      $folders{$i}.'.'.$containers{$i};
+                            my $newidx = &LONCAPA::map::getresidx();
+                            $LONCAPA::map::resources[$newidx]=
+                                $docstitle.':'.$url.':false:normal:res';
+                            push(@LONCAPA::map::order,$newidx);
+                            my ($outtext,$errtext) =
+                                &LONCAPA::map::storemap('/uploaded/'.$docudom.'/'.
+                                                        $docuname.'/'.$folders{$outer}.
+                                                        '.'.$containers{$outer},1,1);
+                            $newseqid{$i} = $newidx;
+                            unless ($errtext) {
+                                $result .=  '<li>'.&mt('Folder: [_1] added to course',$docstitle).'</li>'."\n";
+                            }
+                        }
+                    } else {
+                        if ($context eq 'coursedocs') {
+                            my $newidx=&LONCAPA::map::getresidx();
+                            my $url = '/uploaded/'.$docudom.'/'.$docuname.'/'.
+                                      $docstype.'/'.$mapinner{$outer}.'/'.$newidx.'/'.
+                                      $title;
+                            if (!-e "$prefix$dir/$docstype/$mapinner{$outer}") {
+                                mkdir("$prefix$dir/$docstype/$mapinner{$outer}",0755);
+                            }
+                            if (!-e "$prefix$dir/$docstype/$mapinner{$outer}/$newidx") {
+                                mkdir("$prefix$dir/$docstype/$mapinner{$outer}/$newidx");
+                            }
+                            if (-e "$prefix$dir/$docstype/$mapinner{$outer}/$newidx") {
+                                system("mv $prefix$path $prefix$dir/$docstype/$mapinner{$outer}/$newidx/$title");
+                                $newdest{$i} = "$prefix$dir/$docstype/$mapinner{$outer}/$newidx";
+                                unless ($ishome) {
+                                    my $fetch = "$newdest{$i}/$title";
+                                    $fetch =~ s/^\Q$prefix$dir\E//;
+                                    $prompttofetch{$fetch} = 1;
+                                }
+                            }
+                            $LONCAPA::map::resources[$newidx]=
+                                $docstitle.':'.$url.':false:normal:res';
+                            push(@LONCAPA::map::order, $newidx);
+                            my ($outtext,$errtext)=
+                                &LONCAPA::map::storemap('/uploaded/'.$docudom.'/'.
+                                                        $docuname.'/'.$folders{$outer}.
+                                                        '.'.$containers{$outer},1,1);
+                            unless ($errtext) {
+                                if (-e "$prefix$dir/$docstype/$mapinner{$outer}/$newidx/$title") {
+                                    $result .= '<li>'.&mt('File: [_1] added to course',$docstitle).'</li>'."\n";
+                                }
+                            }
+                        }
+                    }
+                }
+            } else {
+                $warning .= &mt('Item extracted from archive: [_1] has unexpected path.',$path).'<br />'; 
+            }
+        }
+        for (my $i=1; $i<=$numitems; $i++) {
+            next unless ($env{'form.archive_'.$i} eq 'dependency');
+            my $path = $env{'form.archive_content_'.$i};
+            if ($path =~ /^\Q$pathtocheck\E/) {
+                my ($title) = ($path =~ m{/([^/]+)$});
+                $referrer{$i} = $env{'form.archive_dependent_on_'.$i};
+                if ($env{'form.archive_'.$referrer{$i}} eq 'display') {
+                    if (ref($dirorder{$i}) eq 'ARRAY') {
+                        my ($itemidx,$fullpath,$relpath);
+                        if (ref($dirorder{$referrer{$i}}) eq 'ARRAY') {
+                            my $container = $dirorder{$referrer{$i}}->[-1];
+                            for (my $j=0; $j<@{$dirorder{$i}}; $j++) {
+                                if ($dirorder{$i}->[$j] eq $container) {
+                                    $itemidx = $j;
+                                }
+                            }
+                        }
+                        if ($itemidx eq '') {
+                            $itemidx =  0;
+                        } 
+                        if (grep(/^\Q$referrer{$i}\E$/,@archdirs)) {
+                            if ($mapinner{$referrer{$i}}) {
+                                $fullpath = "$prefix$dir/$docstype/$mapinner{$referrer{$i}}";
+                                for (my $j=$itemidx; $j<@{$dirorder{$i}}; $j++) {
+                                    if (grep(/^\Q$dirorder{$i}->[$j]\E$/,@archdirs)) {
+                                        unless (defined($newseqid{$dirorder{$i}->[$j]})) {
+                                            $fullpath .= '/'.$titles{$dirorder{$i}->[$j]};
+                                            $relpath .= '/'.$titles{$dirorder{$i}->[$j]};
+                                            if (!-e $fullpath) {
+                                                mkdir($fullpath,0755);
+                                            }
+                                        }
+                                    } else {
+                                        last;
+                                    }
+                                }
+                            }
+                        } elsif ($newdest{$referrer{$i}}) {
+                            $fullpath = $newdest{$referrer{$i}};
+                            for (my $j=$itemidx; $j<@{$dirorder{$i}}; $j++) {
+                                if ($env{'form.archive_'.$dirorder{$i}->[$j]} eq 'discard') {
+                                    $orphaned{$i} = $env{'form.archive_'.$dirorder{$i}->[$j]};
+                                    last;
+                                } elsif (grep(/^\Q$dirorder{$i}->[$j]\E$/,@archdirs)) {
+                                    unless (defined($newseqid{$dirorder{$i}->[$j]})) {
+                                        $fullpath .= '/'.$titles{$dirorder{$i}->[$j]};
+                                        $relpath .= '/'.$titles{$dirorder{$i}->[$j]};
+                                        if (!-e $fullpath) {
+                                            mkdir($fullpath,0755);
+                                        }
+                                    }
+                                } else {
+                                    last;
+                                }
+                            }
+                        }
+                        if ($fullpath ne '') {
+                            if (-e "$prefix$path") {
+                                system("mv $prefix$path $fullpath/$title");
+                            }
+                            if (-e "$fullpath/$title") {
+                                my $showpath;
+                                if ($relpath ne '') {
+                                    $showpath = "$relpath/$title";
+                                } else {
+                                    $showpath = "/$title";
+                                } 
+                                $result .= '<li>'.&mt('[_1] included as a dependency',$showpath).'</li>'."\n";
+                            } 
+                            unless ($ishome) {
+                                my $fetch = "$fullpath/$title";
+                                $fetch =~ s/^\Q$prefix$dir\E//; 
+                                $prompttofetch{$fetch} = 1;
+                            }
+                        }
+                    }
+                } elsif ($env{'form.archive_'.$referrer{$i}} eq 'discard') {
+                    $warning .= &mt('[_1] is a dependency of [_2], which was discarded.',
+                                    $path,$env{'form.archive_content_'.$referrer{$i}}).'<br />';
+                }
+            } else {
+                $warning .= &mt('Item extracted from archive: [_1] has unexpected path.',$path).'<br />'; 
+            }
+        }
+        if (keys(%todelete)) {
+            foreach my $key (keys(%todelete)) {
+                unlink($key);
+            }
+        }
+        if (keys(%todeletedir)) {
+            foreach my $key (keys(%todeletedir)) {
+                rmdir($key);
+            }
         }
+        foreach my $dir (sort(keys(%is_dir))) {
+            if (($pathtocheck ne '') && ($dir ne ''))  {
+                &cleanup_empty_dirs($prefix."$pathtocheck/$dir");
+            }
+        }
+        if ($result ne '') {
+            $output .= '<ul>'."\n".
+                       $result."\n".
+                       '</ul>';
+        }
+        unless ($ishome) {
+            my $replicationfail;
+            foreach my $item (keys(%prompttofetch)) {
+                my $fetchresult= &Apache::lonnet::reply('fetchuserfile:'.$item,$docuhome);
+                unless ($fetchresult eq 'ok') {
+                    $replicationfail .= '<li>'.$item.'</li>'."\n";
+                }
+            }
+            if ($replicationfail) {
+                $output .= '<p class="LC_error">'.
+                           &mt('Course home server failed to retrieve:').'<ul>'.
+                           $replicationfail.
+                           '</ul></p>';
+            }
+        }
+    } else {
+        $warning = &mt('No items found in archive.');
+    }
+    if ($error) {
+        $output .= '<p class="LC_error">'.&mt('Not extracted.').'<br />'.
+                   $error.'</p>'."\n";
     }
+    if ($warning) {
+        $output .= '<p class="LC_warning">'.$warning.'</p>'."\n";
+    }
+    return $output;
 }
 
+sub cleanup_empty_dirs {
+    my ($path) = @_;
+    if (($path ne '') && (-d $path)) {
+        if (opendir(my $dirh,$path)) {
+            my @dircontents = grep(!/^\./,readdir($dirh));
+            my $numitems = 0;
+            foreach my $item (@dircontents) {
+                if (-d "$path/$item") {
+                    &cleanup_empty_dirs("$path/$item");
+                    if (-e "$path/$item") {
+                        $numitems ++;
+                    }
+                } else {
+                    $numitems ++;
+                }
+            }
+            if ($numitems == 0) {
+                rmdir($path);
+            }
+            closedir($dirh);
+        }
+    }
+    return;
+}
+
+=pod
+
+=item &get_folder_hierarchy()
+
+Provides hierarchy of names of folders/sub-folders containing the current
+item,
+
+Inputs: 3
+     - $navmap - navmaps object
+
+     - $map - url for map (either the trigger itself, or map containing
+                           the resource, which is the trigger).
+
+     - $showitem - 1 => show title for map itself; 0 => do not show.
+
+Outputs: 1 @pathitems - array of folder/subfolder names.
+
+=cut
+
+sub get_folder_hierarchy {
+    my ($navmap,$map,$showitem) = @_;
+    my @pathitems;
+    if (ref($navmap)) {
+        my $mapres = $navmap->getResourceByUrl($map);
+        if (ref($mapres)) {
+            my $pcslist = $mapres->map_hierarchy();
+            if ($pcslist ne '') {
+                my @pcs = split(/,/,$pcslist);
+                foreach my $pc (@pcs) {
+                    if ($pc == 1) {
+                        push(@pathitems,&mt('Main Content'));
+                    } else {
+                        my $res = $navmap->getByMapPc($pc);
+                        if (ref($res)) {
+                            my $title = $res->compTitle();
+                            $title =~ s/\W+/_/g;
+                            if ($title ne '') {
+                                push(@pathitems,$title);
+                            }
+                        }
+                    }
+                }
+            }
+            if ($showitem) {
+                if ($mapres->{ID} eq '0.0') {
+                    push(@pathitems,&mt('Main Content'));
+                } else {
+                    my $maptitle = $mapres->compTitle();
+                    $maptitle =~ s/\W+/_/g;
+                    if ($maptitle ne '') {
+                        push(@pathitems,$maptitle);
+                    }
+                }
+            }
+        }
+    }
+    return @pathitems;
+}
+
+=pod
+
+=item * &get_turnedin_filepath()
+
+Determines path in a user's portfolio file for storage of files uploaded
+to a specific essayresponse or dropbox item.
+
+Inputs: 3 required + 1 optional.
+$symb is symb for resource, $uname and $udom are for current user (required).
+$caller is optional (can be "submission", if routine is called when storing
+an upoaded file when "Submit Answer" button was pressed).
+
+Returns array containing $path and $multiresp. 
+$path is path in portfolio.  $multiresp is 1 if this resource contains more
+than one file upload item.  Callers of routine should append partid as a 
+subdirectory to $path in cases where $multiresp is 1.
+
+Called by: homework/essayresponse.pm and homework/structuretags.pm
+
+=cut
+
+sub get_turnedin_filepath {
+    my ($symb,$uname,$udom,$caller) = @_;
+    my ($map,$resid,$resurl)=&Apache::lonnet::decode_symb($symb);
+    my $turnindir;
+    my %userhash = &Apache::lonnet::userenvironment($udom,$uname,'turnindir');
+    $turnindir = $userhash{'turnindir'};
+    my ($path,$multiresp);
+    if ($turnindir eq '') {
+        if ($caller eq 'submission') {
+            $turnindir = &mt('turned in');
+            $turnindir =~ s/\W+/_/g;
+            my %newhash = (
+                            'turnindir' => $turnindir,
+                          );
+            &Apache::lonnet::put('environment',\%newhash,$udom,$uname);
+        }
+    }
+    if ($turnindir ne '') {
+        $path = '/'.$turnindir.'/';
+        my ($multipart,$turnin,@pathitems);
+        my $navmap = Apache::lonnavmaps::navmap->new();
+        if (defined($navmap)) {
+            my $mapres = $navmap->getResourceByUrl($map);
+            if (ref($mapres)) {
+                my $pcslist = $mapres->map_hierarchy();
+                if ($pcslist ne '') {
+                    foreach my $pc (split(/,/,$pcslist)) {
+                        my $res = $navmap->getByMapPc($pc);
+                        if (ref($res)) {
+                            my $title = $res->compTitle();
+                            $title =~ s/\W+/_/g;
+                            if ($title ne '') {
+                                if (($pc > 1) && (length($title) > 12)) {
+                                    $title = substr($title,0,12);
+                                }
+                                push(@pathitems,$title);
+                            }
+                        }
+                    }
+                }
+                my $maptitle = $mapres->compTitle();
+                $maptitle =~ s/\W+/_/g;
+                if ($maptitle ne '') {
+                    if (length($maptitle) > 12) {
+                        $maptitle = substr($maptitle,0,12);
+                    }
+                    push(@pathitems,$maptitle);
+                }
+                unless ($env{'request.state'} eq 'construct') {
+                    my $res = $navmap->getBySymb($symb);
+                    if (ref($res)) {
+                        my $partlist = $res->parts();
+                        my $totaluploads = 0;
+                        if (ref($partlist) eq 'ARRAY') {
+                            foreach my $part (@{$partlist}) {
+                                my @types = $res->responseType($part);
+                                my @ids = $res->responseIds($part);
+                                for (my $i=0; $i < scalar(@ids); $i++) {
+                                    if ($types[$i] eq 'essay') {
+                                        my $partid = $part.'_'.$ids[$i];
+                                        if (&Apache::lonnet::EXT("resource.$partid.uploadedfiletypes") ne '') {
+                                            $totaluploads ++;
+                                        }
+                                    }
+                                }
+                            }
+                            if ($totaluploads > 1) {
+                                $multiresp = 1;
+                            }
+                        }
+                    }
+                }
+            } else {
+                return;
+            }
+        } else {
+            return;
+        }
+        my $restitle=&Apache::lonnet::gettitle($symb);
+        $restitle =~ s/\W+/_/g;
+        if ($restitle eq '') {
+            $restitle = ($resurl =~ m{/[^/]+$});
+            if ($restitle eq '') {
+                $restitle = time;
+            }
+        }
+        if (length($restitle) > 12) {
+            $restitle = substr($restitle,0,12);
+        }
+        push(@pathitems,$restitle);
+        $path .= join('/',@pathitems);
+    }
+    return ($path,$multiresp);
+}
 
 =pod
 
@@ -7854,7 +12432,7 @@ 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";
     }
@@ -7900,7 +12478,7 @@ sub csv_print_samples {
     $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());
@@ -7942,9 +12520,9 @@ 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] }))) {
@@ -8598,14 +13176,20 @@ sub restore_settings {
 
 =item * &build_recipient_list()
 
-Build recipient lists for three types of e-mail:
-(a) Error Reports, (b) Package Updates, (c) Help requests, generated by
-lonerrorhandler.pm, CHECKRPMS and lonsupportreq.pm respectively.
+Build recipient lists for following types of e-mail:
+(a) Error Reports, (b) Package Updates, (c) lonstatus warnings/errors
+(d) Help requests, (e) Course requests needing approval, (f) loncapa
+module change checking, student/employee ID conflict checks, as
+generated by lonerrorhandler.pm, CHECKRPMS, loncron,
+lonsupportreq.pm, loncoursequeueadmin.pm, searchcat.pl respectively.
 
 Inputs:
 defmail (scalar - email address of default recipient), 
-mailing type (scalar - errormail, packagesmail, or helpdeskmail), 
+mailing type (scalar: errormail, packagesmail, helpdeskmail,
+requestsmail, updatesmail, or idconflictsmail).
+
 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 
 
@@ -8624,17 +13208,21 @@ sub build_recipient_list {
     my %domconfig =
          &Apache::lonnet::get_dom('configuration',['contacts'],$defdom);
     if (ref($domconfig{'contacts'}) eq 'HASH') {
-        if (ref($domconfig{'contacts'}{$mailing}) eq 'HASH') {
-            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,$addr);
+        if (exists($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'};
                 }
-                $otheremails = $domconfig{'contacts'}{$mailing}{'others'};
             }
+        } elsif ($origmail ne '') {
+            push(@recipients,$origmail);
         }
     } elsif ($origmail ne '') {
         push(@recipients,$origmail);
@@ -8766,6 +13354,8 @@ sub extract_categories {
                 my $trailstr;
                 if ($name eq 'instcode') {
                     $trailstr = &mt('Official courses (with institutional codes)');
+                } elsif ($name eq 'communities') {
+                    $trailstr = &mt('Communities');
                 } else {
                     $trailstr = $name;
                 }
@@ -8878,12 +13468,14 @@ cathash - reference to hash of categorie
 
 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) = @_;
+    my ($cathash,$currcat,$type) = @_;
     my $output;
     if (ref($cathash) eq 'HASH') {
         my (@cats,@trails,%allitems,%idx,@jsarray,@path,$maxdepth);
@@ -8892,34 +13484,47 @@ sub assign_categories_table {
         if (@cats > 0) {
             my $itemcount = 0;
             if (ref($cats[0]) eq 'ARRAY') {
-                $output = &Apache::loncommon::start_data_table();
                 my @currcategories;
                 if ($currcat ne '') {
                     @currcategories = split('&',$currcat);
                 }
+                my $table;
                 for (my $i=0; $i<@{$cats[0]}; $i++) {
                     my $parent = $cats[0][$i];
-                    my $css_class = $itemcount%2?' class="LC_odd_row"':'';
                     next if ($parent eq 'instcode');
+                    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" ';
+                            $checked = ' checked="checked"';
                         }
                     }
-                    $output .= '<tr '.$css_class.'><td><span class="LC_nobreak">'.
-                               '<input type="checkbox" name="usecategory" value="'.
-                               $item.'"'.$checked.' />'.$parent.'</span>'.
-                               '<input type="hidden" name="catname" value="'.$parent.'" /></td>';
+                    my $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);
-                    $output .= &assign_category_rows($itemcount,\@cats,$depth,$parent,\@path,\@currcategories);
+                    $table .= &assign_category_rows($itemcount,\@cats,$depth,$parent,\@path,\@currcategories);
                     pop(@path);
-                    $output .= '</tr><tr><td colspan="'.$maxdepth.'" class="LC_row_separator"></td></tr>';
+                    $table .= '</tr><tr><td colspan="'.$maxdepth.'" class="LC_row_separator"></td></tr>';
                     $itemcount ++;
                 }
-                $output .= &Apache::loncommon::end_data_table();
+                if ($itemcount) {
+                    $output = &Apache::loncommon::start_data_table().
+                              $table.
+                              &Apache::loncommon::end_data_table();
+                }
             }
         }
     }
@@ -8962,7 +13567,7 @@ sub assign_category_rows {
             if (ref($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">';
+                $text .= '<td><table class="LC_data_table">';
                 for (my $j=0; $j<$numchildren; $j++) {
                     $name = $cats->[$depth]{$parent}[$j];
                     $item = &escape($name).':'.&escape($parent).':'.$depth;
@@ -8971,7 +13576,7 @@ sub assign_category_rows {
                     if (ref($currcategories) eq 'ARRAY') {
                         if (@{$currcategories} > 0) {
                             if (grep(/^\Q$item\E$/,@{$currcategories})) {
-                                $checked = ' checked="checked" ';
+                                $checked = ' checked="checked"';
                             }
                         }
                     }
@@ -9010,7 +13615,7 @@ sub commit_customrole {
 }
 
 sub commit_standardrole {
-    my ($udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
+    my ($udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context,$credits) = @_;
     my ($output,$logmsg,$linefeed);
     if ($context eq 'auto') {
         $linefeed = "\n";
@@ -9019,7 +13624,7 @@ sub commit_standardrole {
     }  
     if ($three eq 'st') {
         my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$three,$start,$end,
-                                         $one,$two,$sec,$context);
+                                         $one,$two,$sec,$context,$credits);
         if (($result =~ /^error/) || ($result eq 'not_in_class') || 
             ($result eq 'unknown_course') || ($result eq 'refused')) {
             $output = $logmsg.' '.&mt('Error: ').$result."\n"; 
@@ -9050,7 +13655,8 @@ sub commit_standardrole {
 }
 
 sub commit_studentrole {
-    my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
+    my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context,
+        $credits) = @_;
     my ($result,$linefeed,$oldsecurl,$newsecurl);
     if ($context eq 'auto') {
         $linefeed = "\n";
@@ -9097,7 +13703,11 @@ sub commit_studentrole {
             }
         }
         if (($expire_role_result eq 'ok') || ($secchange == 0)) {
-            $modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid,'',$context);
+            $modify_section_result = 
+                &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,
+                                                           undef,undef,undef,$sec,
+                                                           $end,$start,'','',$cid,
+                                                           '',$context,$credits);
             if ($modify_section_result =~ /^ok/) {
                 if ($secchange == 1) {
                     if ($sec eq '') {
@@ -9119,7 +13729,7 @@ sub commit_studentrole {
                     }
                 }
             } else {
-                if ($secchange) {       
+                if ($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;
@@ -9128,7 +13738,7 @@ sub commit_studentrole {
             $result = $modify_section_result;
         } elsif ($secchange == 1) {
             if ($oldsec eq '') {
-                $$logmsg .= &mt('Error when attempting to expire existing role without a section for [_1] in course [_3] -error: ',$uname,$cid).' '.$expire_role_result.$linefeed;
+                $$logmsg .= &mt('Error when attempting to expire existing role without a section for [_1] in course [_2] -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;
             }
@@ -9154,6 +13764,26 @@ sub commit_studentrole {
     return $result;
 }
 
+sub show_role_extent {
+    my ($scope,$context,$role) = @_;
+    $scope =~ s{^/}{};
+    my @courseroles = &Apache::lonuserutils::roles_by_context('course',1);
+    push(@courseroles,'co');
+    my @authorroles = &Apache::lonuserutils::roles_by_context('author');
+    if (($context eq 'course') || (grep(/^\Q$role\E/,@courseroles))) {
+        $scope =~ s{/}{_};
+        return '<span class="LC_cusr_emph">'.$env{'course.'.$scope.'.description'}.'</span>';
+    } elsif (($context eq 'author') || (grep(/^\Q$role\E/,@authorroles))) {
+        my ($audom,$auname) = split(/\//,$scope);
+        return &mt('[_1] Author Space','<span class="LC_cusr_emph">'.
+                   &Apache::loncommon::plainname($auname,$audom).'</span>');
+    } else {
+        $scope =~ s{/$}{};
+        return &mt('Domain: [_1]','<span class="LC_cusr_emph">'.
+                   &Apache::lonnet::domain($scope,'description').'</span>');
+    }
+}
+
 ############################################################
 ############################################################
 
@@ -9164,12 +13794,26 @@ sub check_clone {
     my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
     my $clonemsg;
     my $can_clone = 0;
-
+    my $lctype = lc($args->{'crstype'});
+    if ($lctype ne 'community') {
+        $lctype = 'course';
+    }
     if ($clonehome eq 'no_host') {
-        $clonemsg = &mt('No new course created.').$linefeed.&mt('A new course could not be cloned from the specified original - [_1] - because it is a non-existent course.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});     
+        if ($args->{'crstype'} eq 'Community') {
+            $clonemsg = &mt('No new community created.').$linefeed.&mt('A new community could not be cloned from the specified original - [_1] - because it is a non-existent community.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});
+        } else {
+            $clonemsg = &mt('No new course created.').$linefeed.&mt('A new course could not be cloned from the specified original - [_1] - because it is a non-existent course.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});
+        }     
     } else {
 	my %clonedesc = &Apache::lonnet::coursedescription($cloneid,{'one_time' => 1});
-	if ($env{'request.role.domain'} eq $args->{'clonedomain'}) {
+        if ($args->{'crstype'} eq 'Community') {
+            if ($clonedesc{'type'} ne 'Community') {
+                 $clonemsg = &mt('No new community created.').$linefeed.&mt('A new community could not be cloned from the specified original - [_1] - because it is a course not a community.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});
+                return ($can_clone, $clonemsg, $cloneid, $clonehome);
+            }
+        }
+	if (($env{'request.role.domain'} eq $args->{'clonedomain'}) && 
+            (&Apache::lonnet::allowed('ccc',$env{'request.role.domain'}))) {
 	    $can_clone = 1;
 	} else {
 	    my %clonehash = &Apache::lonnet::get('environment',['cloners'],
@@ -9180,15 +13824,25 @@ sub check_clone {
             } elsif (grep(/^\*\:\Q$args->{'ccdomain'}\E$/,@cloners)) {
                 $can_clone = 1;
             } else {
+                my $ccrole = 'cc';
+                if ($args->{'crstype'} eq 'Community') {
+                    $ccrole = 'co';
+                }
 	        my %roleshash =
 		    &Apache::lonnet::get_my_roles($args->{'ccuname'},
 					 $args->{'ccdomain'},
-                                         'userroles',['active'],['cc'],
+                                         'userroles',['active'],[$ccrole],
 					 [$args->{'clonedomain'}]);
-	        if (($roleshash{$args->{'clonecourse'}.':'.$args->{'clonedomain'}.':cc'}) || (grep(/^\Q$args->{'ccuname'}\E:\Q$args->{'ccdomain'}\E$/,@cloners))) {
-		    $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'},$clonedesc{'description'});
+	        if (($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->{'crstype'} eq 'Community') {
+                        $clonemsg = &mt('No new community created.').$linefeed.&mt('The new community could not be cloned from the existing community because the new community owner ([_1]) does not have cloning rights in the existing community ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'});
+                    } else {
+                        $clonemsg = &mt('No new course created.').$linefeed.&mt('The new course could not be cloned from the existing course because the new course owner ([_1]) does not have cloning rights in the existing course ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'});
+                    }
 	        }
 	    }
         }
@@ -9197,7 +13851,7 @@ sub check_clone {
 }
 
 sub construct_course {
-    my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context) = @_;
+    my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context,$cnum,$category) = @_;
     my $outcome;
     my $linefeed =  '<br />'."\n";
     if ($context eq 'auto') {
@@ -9235,18 +13889,27 @@ sub construct_course {
                                              $args->{'crscode'},
                                              $args->{'ccuname'}.':'.
                                              $args->{'ccdomain'},
-                                             $args->{'crstype'});
+                                             $args->{'crstype'},
+                                             $cnum,$context,$category);
 
     # Note: The testing routines depend on this being output; see 
     # Utils::Course. This needs to at least be output as a comment
     # if anyone ever decides to not show this, and Utils::Course::new
     # will need to be suitably modified.
     $outcome .= &mt('New LON-CAPA [_1] ID: [_2]',$crstype,$$courseid).$linefeed;
+    if ($$courseid =~ /^error:/) {
+        return (0,$outcome);
+    }
+
 #
 # Check if created correctly
 #
     ($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid);
     my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom);
+    if ($crsuhome eq 'no_host') {
+        $outcome .= &mt('Course creation failed, unrecognized course home server.').$linefeed;
+        return (0,$outcome);
+    }
     $outcome .= &mt('Created on').': '.$crsuhome.$linefeed;
 
 #
@@ -9265,6 +13928,10 @@ sub construct_course {
 	$cenv{'url'}=$oldcenv{'url'};
 # Restore title
 	$cenv{'description'}=$oldcenv{'description'};
+# Restore creation date, creator and creation context.
+        $cenv{'internal.created'}=$oldcenv{'internal.created'};
+        $cenv{'internal.creator'}=$oldcenv{'internal.creator'};
+        $cenv{'internal.creationcontext'}=$oldcenv{'internal.creationcontext'};
 # Mark as cloned
 	$cenv{'clonedfrom'}=$cloneid;
 # Need to clone grading mode
@@ -9278,7 +13945,10 @@ sub construct_course {
                    'policy.email',
                    'comment.email',
                    'pch.users.denied',
-                   'plc.users.denied'],
+                   'plc.users.denied',
+                   'hidefromcat',
+                   'checkforpriv',
+                   'categories'],
                    $$crsudom,$$crsunum);
     }
 
@@ -9307,6 +13977,9 @@ sub construct_course {
     } else {
         $cenv{'internal.courseowner'} = $args->{'curruser'};
     }
+    if ($args->{'defaultcredits'}) {
+        $cenv{'internal.defaultcredits'} = $args->{'defaultcredits'};
+    }
     my @badclasses = (); # Used to accumulate sections/crosslistings that did not pass classlist access check for course owner.
     if ($args->{'crssections'}) {
         $cenv{'internal.sectionnums'} = '';
@@ -9331,6 +14004,11 @@ sub construct_course {
 # do not hide course coordinator from staff listing, 
 # even if privileged
     $cenv{'nothideprivileged'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
+# add course coordinator's domain to domains to check for privileged users
+# if different to course domain
+    if ($$crsudom ne $args->{'ccdomain'}) {
+        $cenv{'checkforpriv'} = $args->{'ccdomain'};
+    }
 # add crosslistings
     if ($args->{'crsxlist'}) {
         $cenv{'internal.crosslistings'}='';
@@ -9509,7 +14187,7 @@ sub construct_course {
 	    $title=&mt('Syllabus');
             $url='/public/'.$$crsudom.'/'.$$crsunum.'/syllabus';
         } else {
-            $title=&mt('Navigate Contents');
+            $title=&mt('Table of Contents');
             $url='/adm/navmaps';
         }
 
@@ -9526,6 +14204,8 @@ sub construct_course {
 ############################################################
 ############################################################
 
+#SD
+# only Community and Course, or anything else?
 sub course_type {
     my ($cid) = @_;
     if (!defined($cid)) {
@@ -9542,11 +14222,21 @@ sub group_term {
     my $crstype = &course_type();
     my %names = (
                   'Course' => 'group',
-                  'Group' => 'team',
+                  'Community' => 'group',
                 );
     return $names{$crstype};
 }
 
+sub course_types {
+    my @types = ('official','unofficial','community');
+    my %typename = (
+                         official   => 'Official course',
+                         unofficial => 'Unofficial course',
+                         community  => 'Community',
+                   );
+    return (\@types,\%typename);
+}
+
 sub icon {
     my ($file)=@_;
     my $curfext = lc((split(/\./,$file))[-1]);
@@ -9606,7 +14296,23 @@ sub escape_url {
     return join('/',@urlslices).'/'.$lastitem;
 }
 
-# -------------------------------------------------------- Initliaze user login
+sub compare_arrays {
+    my ($arrayref1,$arrayref2) = @_;
+    my (@difference,%count);
+    @difference = ();
+    %count = ();
+    if ((ref($arrayref1) eq 'ARRAY') && (ref($arrayref2) eq 'ARRAY')) {
+        foreach my $element (@{$arrayref1}, @{$arrayref2}) { $count{$element}++; }
+        foreach my $element (keys(%count)) {
+            if ($count{$element} == 1) {
+                push(@difference,$element);
+            }
+        }
+    }
+    return @difference;
+}
+
+# -------------------------------------------------------- Initialize user login
 sub init_user_environment {
     my ($r, $username, $domain, $authhost, $form, $args) = @_;
     my $lonids=$Apache::lonnet::perlvar{'lonIDsDir'};
@@ -9615,7 +14321,7 @@ sub init_user_environment {
 
 # See if old ID present, if so, remove
 
-    my ($filename,$cookie,$userroles);
+    my ($filename,$cookie,$userroles,$firstaccenv,$timerintenv);
     my $now=time;
 
     if ($public) {
@@ -9653,47 +14359,30 @@ sub init_user_environment {
     
 # Initialize roles
 
-	$userroles=&Apache::lonnet::rolesinit($domain,$username,$authhost);
+	($userroles,$firstaccenv,$timerintenv) = 
+            &Apache::lonnet::rolesinit($domain,$username,$authhost);
     }
 # ------------------------------------ Check browser type and MathML capability
 
     my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
-        $clientunicode,$clientos) = &decode_user_agent($r);
+        $clientunicode,$clientos,$clientmobile,$clientinfo) = &decode_user_agent($r);
 
-# -------------------------------------- Any accessibility options to remember?
-    if (($form->{'interface'}) && ($form->{'remember'} eq 'true')) {
-	foreach my $option ('imagesuppress','appletsuppress',
-			    'embedsuppress','fontenhance','blackwhite') {
-	    if ($form->{$option} eq 'true') {
-		&Apache::lonnet::put('environment',{$option => 'on'},
-				     $domain,$username);
-	    } else {
-		&Apache::lonnet::del('environment',[$option],
-				     $domain,$username);
-	    }
-	}
-    }
 # ------------------------------------------------------------- Get environment
 
     my %userenv = &Apache::lonnet::dump('environment',$domain,$username);
     my ($tmp) = keys(%userenv);
     if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
-	# default remote control to off
-	if ($userenv{'remote'} ne 'on') { $userenv{'remote'} = 'off'; }
     } else {
 	undef(%userenv);
     }
     if (($userenv{'interface'}) && (!$form->{'interface'})) {
 	$form->{'interface'}=$userenv{'interface'};
     }
-    $env{'environment.remote'}=$userenv{'remote'};
     if ($userenv{'texengine'} eq 'ttm') { $clientmathml=1; }
 
 # --------------- Do not trust query string to be put directly into environment
-    foreach my $option ('imagesuppress','appletsuppress',
-			'embedsuppress','fontenhance','blackwhite',
-			'interface','localpath','localres') {
-	$form->{$option}=~s/[\n\r\=]//gs;
+    foreach my $option ('interface','localpath','localres') {
+        $form->{$option}=~s/[\n\r\=]//gs;
     }
 # --------------------------------------------------------- Write first profile
 
@@ -9707,6 +14396,8 @@ sub init_user_environment {
 	     "browser.mathml"     => $clientmathml,
 	     "browser.unicode"    => $clientunicode,
 	     "browser.os"         => $clientos,
+             "browser.mobile"     => $clientmobile,
+             "browser.info"       => $clientinfo,
 	     "server.domain"      => $Apache::lonnet::perlvar{'lonDefDomain'},
 	     "request.course.fn"  => '',
 	     "request.course.uri" => '',
@@ -9720,29 +14411,64 @@ sub init_user_environment {
 	    $initial_env{"browser.localres"}   = $form->{'localres'};
         }
 	
-	if ($public) {
-	    $initial_env{"environment.remote"} = "off";
-	}
 	if ($form->{'interface'}) {
 	    $form->{'interface'}=~s/\W//gs;
 	    $initial_env{"browser.interface"} = $form->{'interface'};
 	    $env{'browser.interface'}=$form->{'interface'};
-	    foreach my $option ('imagesuppress','appletsuppress',
-				'embedsuppress','fontenhance','blackwhite') {
-		if (($form->{$option} eq 'true') ||
-		    ($userenv{$option} eq 'on')) {
-		    $initial_env{"browser.$option"} = "on";
-		}
-	    }
 	}
 
+        if ($form->{'iptoken'}) {
+            my $lonhost = $r->dir_config('lonHostID');
+            $initial_env{"user.noloadbalance"} = $lonhost;
+            $env{'user.noloadbalance'} = $lonhost;
+        }
+
+        my %is_adv = ( is_adv => $env{'user.adv'} );
+        my %domdef;
+        unless ($domain eq 'public') {
+            %domdef = &Apache::lonnet::get_domain_defaults($domain);
+        }
+
+        foreach my $tool ('aboutme','blog','webdav','portfolio') {
+            $userenv{'availabletools.'.$tool} = 
+                &Apache::lonnet::usertools_access($username,$domain,$tool,'reload',
+                                                  undef,\%userenv,\%domdef,\%is_adv);
+        }
+
+        foreach my $crstype ('official','unofficial','community') {
+            $userenv{'canrequest.'.$crstype} =
+                &Apache::lonnet::usertools_access($username,$domain,$crstype,
+                                                  'reload','requestcourses',
+                                                  \%userenv,\%domdef,\%is_adv);
+        }
+
+        $userenv{'canrequest.author'} =
+            &Apache::lonnet::usertools_access($username,$domain,'requestauthor',
+                                        'reload','requestauthor',
+                                        \%userenv,\%domdef,\%is_adv);
+        my %reqauthor = &Apache::lonnet::get('requestauthor',['author_status','author'],
+                                             $domain,$username);
+        my $reqstatus = $reqauthor{'author_status'};
+        if ($reqstatus eq 'approval' || $reqstatus eq 'approved') { 
+            if (ref($reqauthor{'author'}) eq 'HASH') {
+                $userenv{'requestauthorqueued'} = $reqstatus.':'.
+                                                  $reqauthor{'author'}{'timestamp'};
+            }
+        }
+
 	$env{'user.environment'} = "$lonids/$cookie.id";
-	
+
 	if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id",
 		 &GDBM_WRCREAT(),0640)) {
 	    &_add_to_env(\%disk_env,\%initial_env);
 	    &_add_to_env(\%disk_env,\%userenv,'environment.');
 	    &_add_to_env(\%disk_env,$userroles);
+            if (ref($firstaccenv) eq 'HASH') {
+                &_add_to_env(\%disk_env,$firstaccenv);
+            }
+            if (ref($timerintenv) eq 'HASH') {
+                &_add_to_env(\%disk_env,$timerintenv);
+            }
 	    if (ref($args->{'extra_env'})) {
 		&_add_to_env(\%disk_env,$args->{'extra_env'});
 	    }
@@ -9774,11 +14500,13 @@ sub _add_to_env {
 # --- Get the symbolic name of a problem and the url
 sub get_symb {
     my ($request,$silent) = @_;
-    (my $url=$env{'form.url'}) =~ s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
+    (my $url=$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:.");
+            if (ref($request)) { 
+                $request->print("Unable to handle ambiguous references:$url:.");
+            }
             return ();
         }
     }
@@ -9801,15 +14529,387 @@ sub get_annotation {
 }
 
 sub clean_symb {
-    my ($symb) = @_;
+    my ($symb,$delete_enc) = @_;
 
     &Apache::lonenc::check_decrypt(\$symb);
     my $enc = $env{'request.enc'};
-    delete($env{'request.enc'});
+    if ($delete_enc) {
+        delete($env{'request.enc'});
+    }
 
     return ($symb,$enc);
 }
 
+sub build_release_hashes {
+    my ($checkparms,$checkresponsetypes,$checkcrstypes,$anonsurvey,$randomizetry) = @_;
+    return unless((ref($checkparms) eq 'HASH') && (ref($checkresponsetypes) eq 'HASH') &&
+                  (ref($checkcrstypes) eq 'HASH') && (ref($anonsurvey) eq 'HASH') &&
+                  (ref($randomizetry) eq 'HASH'));
+    foreach my $key (keys(%Apache::lonnet::needsrelease)) {
+        my ($item,$name,$value) = split(/:/,$key);
+        if ($item eq 'parameter') {
+            if (ref($checkparms->{$name}) eq 'ARRAY') {
+                unless(grep(/^\Q$name\E$/,@{$checkparms->{$name}})) {
+                    push(@{$checkparms->{$name}},$value);
+                }
+            } else {
+                push(@{$checkparms->{$name}},$value);
+            }
+        } elsif ($item eq 'resourcetag') {
+            if ($name eq 'responsetype') {
+                $checkresponsetypes->{$value} = $Apache::lonnet::needsrelease{$key}
+            }
+        } elsif ($item eq 'course') {
+            if ($name eq 'crstype') {
+                $checkcrstypes->{$value} = $Apache::lonnet::needsrelease{$key};
+            }
+        }
+    }
+    ($anonsurvey->{major},$anonsurvey->{minor}) = split(/\./,$Apache::lonnet::needsrelease{'parameter:type:anonsurvey'});
+    ($randomizetry->{major},$randomizetry->{minor}) = split(/\./,$Apache::lonnet::needsrelease{'parameter:type:randomizetry'});
+    return;
+}
+
+sub update_content_constraints {
+    my ($cdom,$cnum,$chome,$cid) = @_;
+    my %curr_reqd_hash = &Apache::lonnet::userenvironment($cdom,$cnum,'internal.releaserequired');
+    my ($reqdmajor,$reqdminor) = split(/\./,$curr_reqd_hash{'internal.releaserequired'});
+    my %checkresponsetypes;
+    foreach my $key (keys(%Apache::lonnet::needsrelease)) {
+        my ($item,$name,$value) = split(/:/,$key);
+        if ($item eq 'resourcetag') {
+            if ($name eq 'responsetype') {
+                $checkresponsetypes{$value} = $Apache::lonnet::needsrelease{$key}
+            }
+        }
+    }
+    my $navmap = Apache::lonnavmaps::navmap->new();
+    if (defined($navmap)) {
+        my %allresponses;
+        foreach my $res ($navmap->retrieveResources(undef,sub { $_[0]->is_problem() },1,0)) {
+            my %responses = $res->responseTypes();
+            foreach my $key (keys(%responses)) {
+                next unless(exists($checkresponsetypes{$key}));
+                $allresponses{$key} += $responses{$key};
+            }
+        }
+        foreach my $key (keys(%allresponses)) {
+            my ($major,$minor) = split(/\./,$checkresponsetypes{$key});
+            if (($major > $reqdmajor) || ($major == $reqdmajor && $minor > $reqdminor)) {
+                ($reqdmajor,$reqdminor) = ($major,$minor);
+            }
+        }
+        undef($navmap);
+    }
+    unless (($reqdmajor eq '') && ($reqdminor eq '')) {
+        &Apache::lonnet::update_released_required($reqdmajor.'.'.$reqdminor,$cdom,$cnum,$chome,$cid);
+    }
+    return;
+}
+
+sub allmaps_incourse {
+    my ($cdom,$cnum,$chome,$cid) = @_;
+    if ($cdom eq '' || $cnum eq '' || $chome eq '' || $cid eq '') {
+        $cid = $env{'request.course.id'};
+        $cdom = $env{'course.'.$cid.'.domain'};
+        $cnum = $env{'course.'.$cid.'.num'};
+        $chome = $env{'course.'.$cid.'.home'};
+    }
+    my %allmaps = ();
+    my $lastchange =
+        &Apache::lonnet::get_coursechange($cdom,$cnum);
+    if ($lastchange > $env{'request.course.tied'}) {
+        my ($furl,$ferr) = &Apache::lonuserstate::readmap("$cdom/$cnum");
+        unless ($ferr) {
+            &update_content_constraints($cdom,$cnum,$chome,$cid);
+        }
+    }
+    my $navmap = Apache::lonnavmaps::navmap->new();
+    if (defined($navmap)) {
+        foreach my $res ($navmap->retrieveResources(undef,sub { $_[0]->is_map() },1,0,1)) {
+            $allmaps{$res->src()} = 1;
+        }
+    }
+    return \%allmaps;
+}
+
+sub parse_supplemental_title {
+    my ($title) = @_;
+
+    my ($foldertitle,$renametitle);
+    if ($title =~ /&amp;&amp;&amp;/) {
+        $title = &HTML::Entites::decode($title);
+    }
+    if ($title =~ m/^(\d+)___&&&___($match_username)___&&&___($match_domain)___&&&___(.*)$/) {
+        $renametitle=$4;
+        my ($time,$uname,$udom) = ($1,$2,$3);
+        $foldertitle=&Apache::lontexconvert::msgtexconverted($4);
+        my $name =  &plainname($uname,$udom);
+        $name = &HTML::Entities::encode($name,'"<>&\'');
+        $renametitle = &HTML::Entities::encode($renametitle,'"<>&\'');
+        $title='<i>'.&Apache::lonlocal::locallocaltime($time).'</i> '.
+            $name.': <br />'.$foldertitle;
+    }
+    if (wantarray) {
+        return ($title,$foldertitle,$renametitle);
+    }
+    return $title;
+}
+
+sub recurse_supplemental {
+    my ($cnum,$cdom,$suppmap,$numfiles,$errors) = @_;
+    if ($suppmap) {
+        my ($errtext,$fatal) = &LONCAPA::map::mapread('/uploaded/'.$cdom.'/'.$cnum.'/'.$suppmap);
+        if ($fatal) {
+            $errors ++;
+        } else {
+            if ($#LONCAPA::map::resources > 0) {
+                foreach my $res (@LONCAPA::map::resources) {
+                    my ($title,$src,$ext,$type,$status)=split(/\:/,$res);
+                    if (($src ne '') && ($status eq 'res')) {
+                        if ($src =~ m{^\Q/uploaded/$cdom/$cnum/\E(supplemental_\d+\.sequence)$}) {
+                            ($numfiles,$errors) = &recurse_supplemental($cnum,$cdom,$1,$numfiles,$errors);
+                        } else {
+                            $numfiles ++;
+                        }
+                    }
+                }
+            }
+        }
+    }
+    return ($numfiles,$errors);
+}
+
+sub symb_to_docspath {
+    my ($symb) = @_;
+    return unless ($symb);
+    my ($mapurl,$id,$resurl) = &Apache::lonnet::decode_symb($symb);
+    if ($resurl=~/\.(sequence|page)$/) {
+        $mapurl=$resurl;
+    } elsif ($resurl eq 'adm/navmaps') {
+        $mapurl=$env{'course.'.$env{'request.course.id'}.'.url'};
+    }
+    my $mapresobj;
+    my $navmap = Apache::lonnavmaps::navmap->new();
+    if (ref($navmap)) {
+        $mapresobj = $navmap->getResourceByUrl($mapurl);
+    }
+    $mapurl=~s{^.*/([^/]+)\.(\w+)$}{$1};
+    my $type=$2;
+    my $path;
+    if (ref($mapresobj)) {
+        my $pcslist = $mapresobj->map_hierarchy();
+        if ($pcslist ne '') {
+            foreach my $pc (split(/,/,$pcslist)) {
+                next if ($pc <= 1);
+                my $res = $navmap->getByMapPc($pc);
+                if (ref($res)) {
+                    my $thisurl = $res->src();
+                    $thisurl=~s{^.*/([^/]+)\.\w+$}{$1};
+                    my $thistitle = $res->title();
+                    $path .= '&'.
+                             &Apache::lonhtmlcommon::entity_encode($thisurl).'&'.
+                             &escape($thistitle).
+                             ':'.$res->randompick().
+                             ':'.$res->randomout().
+                             ':'.$res->encrypted().
+                             ':'.$res->randomorder().
+                             ':'.$res->is_page();
+                }
+            }
+        }
+        $path =~ s/^\&//;
+        my $maptitle = $mapresobj->title();
+        if ($mapurl eq 'default') {
+            $maptitle = 'Main Content';
+        }
+        $path .= (($path ne '')? '&' : '').
+                 &Apache::lonhtmlcommon::entity_encode($mapurl).'&'.
+                 &escape($maptitle).
+                 ':'.$mapresobj->randompick().
+                 ':'.$mapresobj->randomout().
+                 ':'.$mapresobj->encrypted().
+                 ':'.$mapresobj->randomorder().
+                 ':'.$mapresobj->is_page();
+    } else {
+        my $maptitle = &Apache::lonnet::gettitle($mapurl);
+        my $ispage = (($type eq 'page')? 1 : '');
+        if ($mapurl eq 'default') {
+            $maptitle = 'Main Content';
+        }
+        $path = &Apache::lonhtmlcommon::entity_encode($mapurl).'&'.
+                &escape($maptitle).':::::'.$ispage;
+    }
+    unless ($mapurl eq 'default') {
+        $path = 'default&'.
+                &escape('Main Content').
+                ':::::&'.$path;
+    }
+    return $path;
+}
+
+sub captcha_display {
+    my ($context,$lonhost) = @_;
+    my ($output,$error);
+    my ($captcha,$pubkey,$privkey) = &get_captcha_config($context,$lonhost);
+    if ($captcha eq 'original') {
+        $output = &create_captcha();
+        unless ($output) {
+            $error = 'captcha'; 
+        }
+    } elsif ($captcha eq 'recaptcha') {
+        $output = &create_recaptcha($pubkey);
+        unless ($output) {
+            $error = 'recaptcha'; 
+        }
+    }
+    return ($output,$error);
+}
+
+sub captcha_response {
+    my ($context,$lonhost) = @_;
+    my ($captcha_chk,$captcha_error);
+    my ($captcha,$pubkey,$privkey) = &get_captcha_config($context,$lonhost);
+    if ($captcha eq 'original') {
+        ($captcha_chk,$captcha_error) = &check_captcha();
+    } elsif ($captcha eq 'recaptcha') {
+        $captcha_chk = &check_recaptcha($privkey);
+    } else {
+        $captcha_chk = 1;
+    }
+    return ($captcha_chk,$captcha_error);
+}
+
+sub get_captcha_config {
+    my ($context,$lonhost) = @_;
+    my ($captcha,$pubkey,$privkey,$hashtocheck);
+    my $hostname = &Apache::lonnet::hostname($lonhost);
+    my $serverhomeID = &Apache::lonnet::get_server_homeID($hostname);
+    my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID);
+    if ($context eq 'usercreation') {
+        my %domconfig = &Apache::lonnet::get_dom('configuration',[$context],$serverhomedom);
+        if (ref($domconfig{$context}) eq 'HASH') {
+            $hashtocheck = $domconfig{$context}{'cancreate'};
+            if (ref($hashtocheck) eq 'HASH') {
+                if ($hashtocheck->{'captcha'} eq 'recaptcha') {
+                    if (ref($hashtocheck->{'recaptchakeys'}) eq 'HASH') {
+                        $pubkey = $hashtocheck->{'recaptchakeys'}{'public'};
+                        $privkey = $hashtocheck->{'recaptchakeys'}{'private'};
+                    }
+                    if ($privkey && $pubkey) {
+                        $captcha = 'recaptcha';
+                    } else {
+                        $captcha = 'original';
+                    }
+                } elsif ($hashtocheck->{'captcha'} ne 'notused') {
+                    $captcha = 'original';
+                }
+            }
+        } else {
+            $captcha = 'captcha';
+        }
+    } elsif ($context eq 'login') {
+        my %domconfhash = &Apache::loncommon::get_domainconf($serverhomedom);
+        if ($domconfhash{$serverhomedom.'.login.captcha'} eq 'recaptcha') {
+            $pubkey = $domconfhash{$serverhomedom.'.login.recaptchakeys_public'};
+            $privkey = $domconfhash{$serverhomedom.'.login.recaptchakeys_private'};
+            if ($privkey && $pubkey) {
+                $captcha = 'recaptcha';
+            } else {
+                $captcha = 'original';
+            }
+        } elsif ($domconfhash{$serverhomedom.'.login.captcha'} eq 'original') {
+            $captcha = 'original';
+        }
+    }
+    return ($captcha,$pubkey,$privkey);
+}
+
+sub create_captcha {
+    my %captcha_params = &captcha_settings();
+    my ($output,$maxtries,$tries) = ('',10,0);
+    while ($tries < $maxtries) {
+        $tries ++;
+        my $captcha = Authen::Captcha->new (
+                                           output_folder => $captcha_params{'output_dir'},
+                                           data_folder   => $captcha_params{'db_dir'},
+                                          );
+        my $md5sum = $captcha->generate_code($captcha_params{'numchars'});
+
+        if (-e $Apache::lonnet::perlvar{'lonCaptchaDir'}.'/'.$md5sum.'.png') {
+            $output = '<input type="hidden" name="crypt" value="'.$md5sum.'" />'."\n".
+                      &mt('Type in the letters/numbers shown below').'&nbsp;'.
+                     '<input type="text" size="5" name="code" value="" /><br />'.
+                     '<img src="'.$captcha_params{'www_output_dir'}.'/'.$md5sum.'.png" />';
+            last;
+        }
+    }
+    return $output;
+}
+
+sub captcha_settings {
+    my %captcha_params = (
+                           output_dir     => $Apache::lonnet::perlvar{'lonCaptchaDir'},
+                           www_output_dir => "/captchaspool",
+                           db_dir         => $Apache::lonnet::perlvar{'lonCaptchaDb'},
+                           numchars       => '5',
+                         );
+    return %captcha_params;
+}
+
+sub check_captcha {
+    my ($captcha_chk,$captcha_error);
+    my $code = $env{'form.code'};
+    my $md5sum = $env{'form.crypt'};
+    my %captcha_params = &captcha_settings();
+    my $captcha = Authen::Captcha->new(
+                      output_folder => $captcha_params{'output_dir'},
+                      data_folder   => $captcha_params{'db_dir'},
+                  );
+    $captcha_chk = $captcha->check_code($code,$md5sum);
+    my %captcha_hash = (
+                        0       => 'Code not checked (file error)',
+                       -1      => 'Failed: code expired',
+                       -2      => 'Failed: invalid code (not in database)',
+                       -3      => 'Failed: invalid code (code does not match crypt)',
+    );
+    if ($captcha_chk != 1) {
+        $captcha_error = $captcha_hash{$captcha_chk}
+    }
+    return ($captcha_chk,$captcha_error);
+}
+
+sub create_recaptcha {
+    my ($pubkey) = @_;
+    my $use_ssl;
+    if ($ENV{'SERVER_PORT'} == 443) {
+        $use_ssl = 1;
+    }
+    my $captcha = Captcha::reCAPTCHA->new;
+    return $captcha->get_options_setter({theme => 'white'})."\n".
+           $captcha->get_html($pubkey,undef,$use_ssl).
+           &mt('If either word is hard to read, [_1] will replace them.',
+               '<img src="/res/adm/pages/refresh.gif" alt="reCAPTCHA refresh" />').
+           '<br /><br />';
+}
+
+sub check_recaptcha {
+    my ($privkey) = @_;
+    my $captcha_chk;
+    my $captcha = Captcha::reCAPTCHA->new;
+    my $captcha_result =
+        $captcha->check_answer(
+                                $privkey,
+                                $ENV{'REMOTE_ADDR'},
+                                $env{'form.recaptcha_challenge_field'},
+                                $env{'form.recaptcha_response_field'},
+                              );
+    if ($captcha_result->{is_valid}) {
+        $captcha_chk = 1;
+    }
+    return $captcha_chk;
+}
+
 =pod
 
 =back