--- loncom/interface/londocs.pm	2016/10/31 19:48:59	1.610
+++ loncom/interface/londocs.pm	2017/11/30 01:52:14	1.642
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Documents
 #
-# $Id: londocs.pm,v 1.610 2016/10/31 19:48:59 raeburn Exp $
+# $Id: londocs.pm,v 1.642 2017/11/30 01:52:14 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -142,7 +142,43 @@ sub clean {
     return $title;
 }
 
-
+sub default_folderpath {
+    my ($coursenum,$coursedom,$navmapref) = @_;
+    return unless ($coursenum && $coursedom && ref($navmapref));
+# Check if entire course is hidden and/or encrypted
+    my ($hiddenmap,$encryptmap,$folderpath,$hiddentop);
+    my $toplevel = "uploaded/$coursedom/$coursenum/default.sequence";
+    unless (ref($$navmapref)) {
+        $$navmapref = Apache::lonnavmaps::navmap->new();
+    }
+    if (ref($$navmapref)) {
+        if (lc($$navmapref->get_mapparam(undef,$toplevel,"0.hiddenresource")) eq 'yes') {
+            my $filterFunc = sub { my $res = shift; return (!$res->randomout() && !$res->is_map()) };
+            my @resources = $$navmapref->retrieveResources($toplevel,$filterFunc,1,1);
+            unless (@resources) {
+                $hiddenmap = 1;
+                unless ($env{'request.role.adv'}) {
+                    $hiddentop = 1;
+                    if ($env{'form.folder'}) {
+                        undef($env{'form.folder'});
+                    }
+                }
+            }
+        }
+        if (lc($$navmapref->get_mapparam(undef,$toplevel,"0.encrypturl")) eq 'yes') {
+            $encryptmap = 1;
+        }
+    }
+    unless ($hiddentop) {
+        $folderpath='default&'.&escape(&mt('Main Content')).
+                    '::'.$hiddenmap.':'.$encryptmap.'::';
+    }
+    if (wantarray) {
+        return ($folderpath,$hiddentop);
+    } else {
+        return $folderpath;
+    }
+}
 
 sub dumpcourse {
     my ($r) = @_;
@@ -567,9 +603,9 @@ sub recurse_html {
                 } else {
                     $relfile = $dependency;
                     $depurl = $currurlpath;
-                    $depurl =~ s{[^/]+$}{};  
+                    $depurl =~ s{[^/]+$}{};
                     $depurl .= $dependency;
-                    ($newcontainer) = ($depurl =~ m{^\Q$prefix\E(.+)$}); 
+                    ($newcontainer) = ($depurl =~ m{^\Q$prefix\E(.+)$});
                 }
                 next if ($relfile eq '');
                 my $newname = $replacehash->{$container};
@@ -618,11 +654,12 @@ sub group_import {
             }
         }
 	if ($url) {
-            if ($url =~ m{^(/adm/$coursedom/$coursenum/(\d+)/exttool)s?\:?(.*)$}) {
+            if ($url =~ m{^(/adm/$coursedom/$coursenum/(\d+)/ext\.tool)\:?(.*)$}) {
                 $url = $1;
                 my $marker = $2;
                 my $info = $3;
                 my ($toolid,%toolhash,%toolsettings);
+                my @extras = ('linktext','explanation','crslabel','crstitle','crsappend');
                 my @toolinfo = split(/:/,$info);
                 if ($residx) {
                     %toolsettings=&Apache::lonnet::dump('exttool_'.$marker,$coursedom,$coursenum);
@@ -632,28 +669,37 @@ sub group_import {
                 }
                 $toolid =~ s/\D//g;
                 ($toolhash{'target'},$toolhash{'width'},$toolhash{'height'},
-                 $toolhash{'crslabel'},$toolhash{'crstitle'}) = @toolinfo;
-                $toolhash{'crslabel'} = &unescape($toolhash{'crslabel'});
-                $toolhash{'crstitle'} = &unescape($toolhash{'crstitle'});
+                 $toolhash{'linktext'},$toolhash{'explanation'},
+                 $toolhash{'crslabel'},$toolhash{'crstitle'},$toolhash{'crsappend'}) = @toolinfo;
+                foreach my $item (@extras) {
+                    $toolhash{$item} = &unescape($toolhash{$item});
+                }
                 if (ref($ltitoolsref) eq 'HASH') {
                     my @deleted;
                     if (ref($ltitoolsref->{$toolid}) eq 'HASH') {
-                        if ($ltitoolsref->{$toolid}->{'url'} =~ m{^https://}) {
-                            $url =~ s/exttool$/exttools/;
-                        }
                         $toolhash{'id'} = $toolid;
-                        if (($toolhash{'target'} eq 'iframe') || ($toolhash{'target'} eq 'window')) {
+                        if (($toolhash{'target'} eq 'iframe') || ($toolhash{'target'} eq 'tab') ||
+                            ($toolhash{'target'} eq 'window')) {
                             if ($toolhash{'target'} eq 'window') {
                                 foreach my $item ('width','height') {
                                     $toolhash{$item} =~ s/^\s+//;
                                     $toolhash{$item} =~ s/\s+$//;
+                                    if ($toolhash{$item} =~ /\D/) {
+                                        delete($toolhash{$item});
+                                        if ($residx) {
+                                            if ($toolsettings{$item}) {
+                                                push(@deleted,$item);
+                                            }
+                                        }
+                                    }
                                 }
                             }
                         } elsif ($residx) {
                             $toolhash{'target'} = $toolsettings{'target'};
                             if ($toolhash{'target'} eq 'window') {
-                                $toolhash{'width'} = $toolsettings{'width'};
-                                $toolhash{'height'} = $toolsettings{'height'};  
+                                foreach my $item ('width','height') {
+                                    $toolhash{$item} = $toolsettings{$item};
+                                }
                             }
                         } elsif (ref($ltitoolsref->{$toolid}->{'display'}) eq 'HASH') {
                             $toolhash{'target'} = $ltitoolsref->{$toolid}->{'display'}->{'target'};
@@ -663,31 +709,44 @@ sub group_import {
                             }
                         }
                         if ($toolhash{'target'} eq 'iframe') {
-                            delete($toolhash{'width'});
-                            delete($toolhash{'height'});
-                            if ($residx) {
-                                if ($toolsettings{'width'}) {
-                                    push(@deleted,'width');
+                            foreach my $item ('width','height','linktext','explanation') {
+                                delete($toolhash{$item});
+                                if ($residx) {
+                                    if ($toolsettings{$item}) {
+                                        push(@deleted,$item);
+                                    }
                                 }
-                                if ($toolsettings{'height'}) {
-                                    push(@deleted,'height');
+                            }
+                        } elsif ($toolhash{'target'} eq 'tab') {
+                            foreach my $item ('width','height') {
+                                delete($toolhash{$item});
+                                if ($residx) {
+                                    if ($toolsettings{$item}) {
+                                        push(@deleted,$item);
+                                    }
                                 }
                             }
                         }
                         if (ref($ltitoolsref->{$toolid}->{'crsconf'}) eq 'HASH') {
-                            foreach my $item ('label','title') { 
+                            foreach my $item ('label','title','linktext','explanation') {
+                                my $crsitem;
+                                if (($item eq 'label') || ($item eq 'title')) {
+                                    $crsitem = 'crs'.$item;
+                                } else {
+                                    $crsitem = $item;
+                                }
                                 if ($ltitoolsref->{$toolid}->{'crsconf'}->{$item}) {
-                                    $toolhash{'crs'.$item} =~ s/^\s+//;
-                                    $toolhash{'crs'.$item} =~ s/\s+$//;
-                                    if ($toolhash{'crs'.$item} eq '') {
-                                        delete($toolhash{'crs'.$item});
+                                    $toolhash{$crsitem} =~ s/^\s+//;
+                                    $toolhash{$crsitem} =~ s/\s+$//;
+                                    if ($toolhash{$crsitem} eq '') {
+                                        delete($toolhash{$crsitem});
                                     }
                                 } else {
-                                    delete($toolhash{'crs'.$item});
+                                    delete($toolhash{$crsitem});
                                 }
-                                if (($residx) && (exists($toolsettings{'crs'.$item}))) {
-                                    unless (exists($toolhash{'crs'.$item})) {
-                                        push(@deleted,'crs'.$item);
+                                if (($residx) && (exists($toolsettings{$crsitem}))) {
+                                    unless (exists($toolhash{$crsitem})) {
+                                        push(@deleted,$crsitem);
                                     }
                                 }
                             }
@@ -712,8 +771,8 @@ sub group_import {
                     $donechk = 1;
                 }
                 if ($url =~ m{^/uploaded/\Q$coursedom\E/\Q$coursenum\E/(default_\d+\.)(page|sequence)$}) {
-                    &contained_map_check($url,$folder,\%removefrommap,\%removeparam,
-                                         \%addedmaps,\%hierarchy,\%titles,$allmaps);
+                    &contained_map_check($url,$folder,$coursenum,$coursedom,\%removefrommap,
+                                        \%removeparam,\%addedmaps,\%hierarchy,\%titles,$allmaps);
                     $importuploaded = 1;
                 } elsif ($url =~ m{^/res/.+\.(page|sequence)$}) {
                     next if ($allmaps->{$url});
@@ -753,7 +812,7 @@ $initialtext
 </html>
 END
                 $env{'form.output'}=$newhtml;
-                my $result = 
+                my $result =
                     &Apache::lonnet::finishuserfileupload($coursenum,$coursedom,
                                                           'output',
                                                           "$filepath/$residx/$fname.html");
@@ -877,13 +936,14 @@ sub log_docs {
 }
 
 sub docs_change_log {
-    my ($r,$coursenum,$coursedom,$folder,$allowed,$crstype,$iconpath)=@_;
+    my ($r,$coursenum,$coursedom,$folder,$allowed,$crstype,$iconpath,$canedit)=@_;
     my $supplementalflag=($env{'form.folderpath'}=~/^supplemental/);
+    my $navmap; 
     my $js = '<script type="text/javascript">'."\n".
              '// <![CDATA['."\n".
              &Apache::loncommon::display_filter_js('docslog')."\n".
              &editing_js($env{'user.domain'},$env{'user.name'},$supplementalflag,
-                         $coursedom,$coursenum)."\n".
+                         $coursedom,$coursenum,'','',$canedit,'',\$navmap)."\n".
              &history_tab_js()."\n".
              &Apache::lonratedt::editscript('simple')."\n".
              '// ]]>'."\n".
@@ -899,8 +959,9 @@ sub docs_change_log {
     }
     my $folderpath=$env{'form.folderpath'};
     if ($folderpath eq '') {
-        $folderpath = 'default&'.&escape(&mt('Main Content').':::::');
+        $folderpath = &default_folderpath($coursenum,$coursedom,\$navmap);
     }
+    undef($navmap);
     $pathitem = '<input type="hidden" name="folderpath" value="'.
                 &HTML::Entities::encode($folderpath,'<>&"').'" />';
     my $readfile="/uploaded/$coursedom/$coursenum/$folder.$container";
@@ -910,7 +971,7 @@ sub docs_change_log {
     if ($supplementalflag) {
         $tid = 2;
     }
-    my ($breadcrumbtrail) = 
+    my ($breadcrumbtrail) =
         &Apache::lonhtmlcommon::docs_breadcrumbs($allowed,$crstype,1);
     $r->print($breadcrumbtrail.
               &generate_edit_table($tid,\%orderhash,undef,$iconpath,$jumpto,
@@ -1109,7 +1170,7 @@ sub update_paste_buffer {
         foreach my $suffix (@currpaste) {
              my $cid = $env{'docs.markedcopy_crs_'.$suffix};
              my $url = $env{'docs.markedcopy_url_'.$suffix};
-             my $mapidx = $env{'docs.markedcopy_map_'.$suffix};           
+             my $mapidx = $env{'docs.markedcopy_map_'.$suffix};
              if (($cid =~ /^$match_domain(?:_)$match_courseid$/) &&
                  ($url ne '')) {
                  $pasteurls{$cid.'_'.$url.'_'.$mapidx} = 1;
@@ -1162,8 +1223,8 @@ sub update_paste_buffer {
                 $subdir = $prefix;
             }
             my (%addedmaps,%removefrommap,%removeparam,%hierarchy,%titles,%allmaps);
-            &contained_map_check($url,$folder,\%removefrommap,\%removeparam,\%addedmaps,
-                                 \%hierarchy,\%titles,\%allmaps);
+            &contained_map_check($url,$folder,$coursenum,$coursedom,\%removefrommap,
+                                 \%removeparam,\%addedmaps,\%hierarchy,\%titles,\%allmaps);
             if (ref($hierarchy{$url}) eq 'HASH') {
                 my ($nested,$nestednames);
                 &recurse_uploaded_maps($url,$subdir,\%hierarchy,\%titles,\$nested,\$nestednames);
@@ -1241,7 +1302,7 @@ sub print_paste_buffer {
             my $extension = (split(/\./,$env{'docs.markedcopy_url_'.$suffix}))[-1];
             if ($url =~ m{^(?:/adm/wrapper/ext|(?:http|https)(?:&colon;|:))//} ) {
                 $is_external = 1;
-            } elsif ($url =~ m{^/adm/$match_domain/$match_courseid/\d+/exttools?$}) {
+            } elsif ($url =~ m{^/adm/$match_domain/$match_courseid/\d+/ext\.tool$}) {
                 $is_exttool = 1;
             }
             if ($folder =~ /^supplemental/) {
@@ -1275,26 +1336,34 @@ sub print_paste_buffer {
                         $is_uploaded_map = 1;
                     }
                 } elsif (($url =~ m{^/res/lib/templates/\w+\.problem$}) ||
-                         ($url =~ m{^/adm/($match_domain)/($match_username)/\d+/(bulletinboard|smppg)$})) {
+                         ($url =~ m{^/adm/($match_domain)/($match_username)/\d+/(bulletinboard|smppg|ext\.tool)$})) {
                     if ($cid ne $env{'request.course.id'}) {
                         my ($srcdom,$srcnum) = split(/_/,$cid);
                         if ($env{"user.priv.cm./$srcdom/$srcnum"} =~ /\Q:mdc&F\E/) {
-                            $othercrs = '<br />'.&mt('(from another course)');
+                            if (($is_exttool) && ($srcdom ne $coursedom)) {
+                                $canpaste = 0;
+                                $nopaste = &mt('Paste from another domain unavailable.');
+                            } else {
+                                $othercrs = '<br />'.&mt('(from another course)');
+                            }
                         } else {
                             $canpaste = 0;
                             $nopaste = &mt('Paste from another course unavailable.');
-                        }       
+                        }
                     }
                 }
                 if ($canpaste) {
                     push(@pasteable,$suffix);
-                }  
+                }
             }
             my $buffer;
-            if (($is_external) || ($is_exttool)) {
+            if ($is_external) {
                 $buffer = &mt('External Resource').': '.
                     &LONCAPA::map::qtescape($env{'docs.markedcopy_title_'.$suffix}).' ('.
                     &LONCAPA::map::qtescape($url).')';
+            } elsif ($is_exttool) {
+                $buffer = &mt('External Tool').': '.
+                    &LONCAPA::map::qtescape($env{'docs.markedcopy_title_'.$suffix});
             } else {
                 my $icon = &Apache::loncommon::icon($extension);
                 if ($extension eq 'sequence' &&
@@ -1452,7 +1521,7 @@ sub supp_pasteable {
         ($url =~ m{^/uploaded/$match_domain/$match_courseid/(docs|supplemental)/(default|\d+)/\d+/}) ||
         ($url =~ m{^/adm/$match_domain/$match_username/aboutme}) ||
         ($url =~ m{^/public/$match_domain/$match_courseid/syllabus}) ||
-        ($url =~ m{^/adm/$match_domain/$match_courseid/\d+/exttools?$})) {
+        ($url =~ m{^/adm/$match_domain/$match_courseid/\d+/ext\.tool$})) {
         return 1;
     }
     return;
@@ -1574,7 +1643,7 @@ sub do_paste_from_buffer {
         return();
     }
 
-    my (%msgs,%before,%after,@dopaste,%is_map,%notinsupp,%notincrs,%duplicate,
+    my (%msgs,%before,%after,@dopaste,%is_map,%notinsupp,%notincrs,%notindom,%duplicate,
         %prefixchg,%srcdom,%srcnum,%srcmapidx,%marktomove,$save_err,$lockerrors,$allresult);
 
     foreach my $suffix (@topaste) {
@@ -1603,7 +1672,8 @@ sub do_paste_from_buffer {
             $srcdom{$suffix} = $srcd;
             $srcnum{$suffix} = $srcn;
         } elsif (($url =~ m{^/res/lib/templates/\w+\.problem$}) ||
-                 ($url =~ m{^/adm/$match_domain/$match_username/\d+/(bulletinboard|smppg)$})) {
+                 ($url =~ m{^/adm/$match_domain/$match_username/\d+/(bulletinboard|smppg)$}) ||
+                 ($url =~ m{^/adm/$match_domain/$match_courseid/\d+/ext\.tool$})) {
             my ($srcd,$srcn) = split(/_/,$cid);
 # When paste buffer was populated using an active role in a different course
 # check for mdc privilege in the course from which the resource was pasted
@@ -1613,6 +1683,12 @@ sub do_paste_from_buffer {
                     next;
                 }
             }
+# When buffer was populated using an active role in a different course
+# disallow pasting of External Tool if course is in a different domain.
+            if (($url =~ m{/ext\.tool$}) && ($srcd ne $coursedom)) {
+                $notindom{$suffix} = 1;
+                next;
+            }
             $srcdom{$suffix} = $srcd;
             $srcnum{$suffix} = $srcn;
         }
@@ -1621,7 +1697,6 @@ sub do_paste_from_buffer {
         if ($url=~/\.(page|sequence)$/) {
             $is_map{$suffix} = 1; 
         }
-
         if ($url =~ m{^/uploaded/$match_domain/$match_courseid/([^/]+)}) {
             my $oldprefix = $1;
 # When pasting content from Main Content to Supplemental Content and vice versa 
@@ -1666,6 +1741,7 @@ sub do_paste_from_buffer {
     %msgs = &Apache::lonlocal::texthash (
                 notinsupp => 'Paste failed: content type is not supported within Supplemental Content',
                 notincrs  => 'Paste failed: Item is from a different course which you do not have rights to edit.',
+                notindom  => 'Paste failed: Item is an external tool from a course in a different donain.', 
                 duplicate => 'Paste failed: only one instance of a particular published sequence or page is allowed within each course.',
             );
 
@@ -1719,8 +1795,9 @@ sub do_paste_from_buffer {
         if ($is_map{$suffix}) {
 # If pasting a map, check if map contains other maps
             my (%hierarchy,%titles);
-            &contained_map_check($url,$folder,\%removefrommap,\%removeparam,
-                                 \%addedmaps,\%hierarchy,\%titles,$allmaps);
+            &contained_map_check($url,$folder,$coursenum,$coursedom,
+                                 \%removefrommap,\%removeparam,\%addedmaps,
+                                 \%hierarchy,\%titles,$allmaps);
             if ($url=~ m{^/uploaded/}) {
                 my $newurl;
                 unless ($env{'form.docs.markedcopy_options_'.$suffix} eq 'move') {
@@ -1773,7 +1850,7 @@ sub do_paste_from_buffer {
                 }
             }
         }
-        if ($url=~ m{/(bulletinboard|smppg)$}) {
+        if ($url=~ m{/(bulletinboard|smppg|ext\.tool)$}) {
             my $prefix = $1;
             my $fromothercrs; 
             #need to copy the db contents to a new one, unless this is a move.
@@ -1790,7 +1867,7 @@ sub do_paste_from_buffer {
                 }
             }
             unless (($env{'form.docs.markedcopy_options_'.$suffix} eq 'move') && (!$fromothercrs)) {
-                my (%lockerr,$msg); 
+                my (%lockerr,$msg);
                 my ($newurl,$result,$errtext) =
                     &dbcopy(\%info,$coursedom,$coursenum,\%lockerr);
                 if ($result eq 'ok') {
@@ -1801,6 +1878,8 @@ sub do_paste_from_buffer {
                         $msg = &mt('Paste failed: An error occurred when copying the simple page.').' '.$errtext;
                     } elsif ($prefix eq 'bulletinboard') {
                         $msg = &mt('Paste failed: An error occurred when copying the discussion board.').' '.$errtext;
+                    } elsif ($prefix eq 'ext.tool') {
+                        $msg = &mt('Paste failed: An error occurred when copying the external tool.').' '.$errtext;
                     }
                     $results{$suffix} = $result;
                     $msgerrs{$suffix} = $msg;
@@ -1847,8 +1926,8 @@ sub do_paste_from_buffer {
                     if ($newdocsdir eq '') {
                         $newdocsdir = 'default';
                     }
-                    if (($prefixchg{$suffix}) || 
-                        ($srcdom{$suffix} ne $coursedom) || 
+                    if (($prefixchg{$suffix}) ||
+                        ($srcdom{$suffix} ne $coursedom) ||
                         ($srcnum{$suffix} ne $coursenum) ||
                         ($env{'form.docs.markedcopy_options_'.$suffix} ne 'move')) {
                         my $newpath = "$newprefix/$newdocsdir/$newidx/$rem";
@@ -2060,8 +2139,11 @@ sub dbcopy {
     my ($url,$result,$errtext);
     if (ref($dbref) eq 'HASH') {
         $url = $dbref->{'src'};
-        if ($url =~ m{/(smppg|bulletinboard)$}) {
+        if ($url =~ m{/(smppg|bulletinboard|ext\.tool)$}) {
             my $prefix = $1;
+            if ($prefix eq 'ext.tool') {
+                $prefix = 'exttool';
+            }
             if (($dbref->{'cdom'} =~ /^$match_domain$/) && 
                 ($dbref->{'cnum'} =~ /^$match_courseid$/)) {
                 my $db_name;
@@ -2072,6 +2154,8 @@ sub dbcopy {
                         &Apache::lonsimplepage::get_db_name($url,$marker,
                                                             $dbref->{'cdom'},
                                                             $dbref->{'cnum'});
+                } elsif ($dbref->{'src'} =~ m{/ext\.tool$}) {
+                    $db_name = 'exttool_'.$marker;
                 } else {
                     $db_name = 'bulletinpage_'.$marker;
                 }
@@ -2082,6 +2166,8 @@ sub dbcopy {
                 if (!$suffix) {
                     if ($prefix eq 'smppg') {
                         $errtext = &mt('Failed to acquire a unique timestamp-based suffix when copying a simple page [_1].',$url);
+                    } elsif ($prefix eq 'exttool') {
+                        $errtext = &mt('Failed to acquire a unique timestamp-based suffix when copying an external tool [_1].',$url);
                     } else {
                         $errtext = &mt('Failed to acquire a unique timestamp-based suffix when copying a discussion board [_1].',$url);
                     }
@@ -2115,7 +2201,7 @@ sub dbcopy {
                     $result=&Apache::lonnet::put($db_name,\%contents,
                                                  $coursedom,$coursenum);
                     if ($result eq 'ok') {
-                        $url =~ s{/(\d*)/(smppg|bulletinboard)$}{/$suffix/$2}x;
+                        $url =~ s{/(\d*)/(smppg|bulletinboard|ext\.tool)$}{/$suffix/$2}x;
                     }
                 }
                 if (($freedlock ne 'ok') && (ref($lockerrorsref) eq 'HASH')) {
@@ -2125,6 +2211,9 @@ sub dbcopy {
                     if ($prefix eq 'smppg') {
                         $lockerrorsref->{$prefix} .=
                             ' '.&mt('This will prevent creation of additional simple pages in this course.');
+                    } elsif ($prefix eq 'exttool') {
+                        $lockerrorsref->{$prefix} .=
+                            ' '.&mt('This will prevent addition of more external tools to this course.');
                     } else {
                         $lockerrorsref->{$prefix} .= ' '.&mt('This will prevent creation of additional discussion boards in this course.');
                     }
@@ -2254,8 +2343,8 @@ sub uniqueness_check {
 }
 
 sub contained_map_check {
-    my ($url,$folder,$removefrommap,$removeparam,$addedmaps,$hierarchy,$titles,
-        $allmaps) = @_;
+    my ($url,$folder,$coursenum,$coursedom,$removefrommap,$removeparam,$addedmaps,
+        $hierarchy,$titles,$allmaps) = @_;
     my $content = &Apache::lonnet::getfile($url);
     unless ($content eq '-1') {
         my $parser = HTML::TokeParser->new(\$content);
@@ -2265,7 +2354,13 @@ sub contained_map_check {
             if ($token->[1] eq 'resource') {
                 next if ($token->[2]->{'type'} eq 'zombie');
                 my $ressrc = $token->[2]->{'src'};
-                if ($folder =~ /^supplemental/) {
+                if ($ressrc =~ m{^/adm/($match_domain)/$match_courseid/\d+/ext\.tool$}) {
+                    my $srcdom = $1;
+                    unless ($srcdom eq $coursedom) {
+                        $removefrommap->{$url}{$token->[2]->{'id'}} = $ressrc;
+                        next;
+                    }
+                } elsif ($folder =~ /^supplemental/) {
                     unless (&supp_pasteable($ressrc)) {
                         $removefrommap->{$url}{$token->[2]->{'id'}} = $ressrc;
                         next;
@@ -2284,8 +2379,8 @@ sub contained_map_check {
                             $addedmaps->{$ressrc} = [$url];
                         }
                     }
-                    &contained_map_check($ressrc,$folder,$removefrommap,$removeparam,
-                                         $addedmaps,$hierarchy,$titles,$allmaps);
+                    &contained_map_check($ressrc,$folder,$coursenum,$coursedom,$removefrommap,
+                                         $removeparam,$addedmaps,$hierarchy,$titles,$allmaps);
                 }
             } elsif ($token->[1] eq 'param') {
                 if ($folder =~ /^supplemental/) {
@@ -2820,7 +2915,7 @@ sub update_parameter {
                          'randomorder'    => {},
                       );
         foreach my $which (keys(%allchecked)) {
-            $env{'form.all'.$which} =~ s/,$//;   
+            $env{'form.all'.$which} =~ s/,$//;
             if ($which eq 'randompick') {
                 foreach my $item (split(/,/,$env{'form.all'.$which})) {
                     my ($res,$value) = split(/:/,$item);
@@ -2923,8 +3018,9 @@ sub update_parameter {
 
 sub handle_edit_cmd {
     my ($coursenum,$coursedom) =@_;
+    my $haschanges = 0;
     if ($env{'form.cmd'} eq '') {
-        return 0;
+        return $haschanges; 
     }
     my ($cmd,$idx)=split('_',$env{'form.cmd'});
 
@@ -2939,19 +3035,19 @@ sub handle_edit_cmd {
 	    &LONCAPA::map::makezombie($LONCAPA::map::order[$idx]);
 	}
 	splice(@LONCAPA::map::order, $idx, 1);
-
+        $haschanges = 1;
     } elsif ($cmd eq 'cut') {
 	&LONCAPA::map::makezombie($LONCAPA::map::order[$idx]);
 	splice(@LONCAPA::map::order, $idx, 1);
-
+        $haschanges = 1;
     } elsif ($cmd eq 'up'
 	     && ($idx) && (defined($LONCAPA::map::order[$idx-1]))) {
 	@LONCAPA::map::order[$idx-1,$idx] = @LONCAPA::map::order[$idx,$idx-1];
-
+        $haschanges = 1;
     } elsif ($cmd eq 'down'
 	     && defined($LONCAPA::map::order[$idx+1])) {
 	@LONCAPA::map::order[$idx+1,$idx] = @LONCAPA::map::order[$idx,$idx+1];
-
+        $haschanges = 1;
     } elsif ($cmd eq 'rename') {
 	my $comment = &LONCAPA::map::qtunescape($env{'form.title'});
 	if ($comment=~/\S/) {
@@ -2961,16 +3057,32 @@ sub handle_edit_cmd {
 # Devalidate title cache
 	my $renamed_url=&LONCAPA::map::qtescape($url);
 	&Apache::lonnet::devalidate_title_cache($renamed_url);
-
-    } else {
-	return 0;
+        $haschanges = 1;
+    } elsif ($cmd eq 'setalias') {
+        my $newvalue = $env{'form.alias'};
+        if ($newvalue ne '') {
+            unless (Apache::lonnet::get_symb_from_alias($newvalue)) {
+                &LONCAPA::map::storeparameter($idx,'parameter_0_mapalias',$newvalue,
+                                              'string');
+                &remember_parms($idx,'mapalias','set',$newvalue);
+                $haschanges = 1;
+            }
+        }
+    } elsif ($cmd eq 'delalias') {
+        my $current = (&LONCAPA::map::getparameter($idx,'parameter_0_mapalias'))[0];  
+        if ($current ne '') {
+            &LONCAPA::map::delparameter($idx,'parameter_0_mapalias');
+            &remember_parms($idx,'mapalias','del');
+            $haschanges = 1;
+        }
     }
-    return 1;
+    return $haschanges;
 }
 
 sub editor {
     my ($r,$coursenum,$coursedom,$folder,$allowed,$upload_output,$crstype,
-        $supplementalflag,$orderhash,$iconpath,$pathitem,$ltitoolsref)=@_;
+        $supplementalflag,$orderhash,$iconpath,$pathitem,$ltitoolsref,
+        $canedit,$hostname,$navmapref,$hiddentop)=@_;
     my ($randompick,$ishidden,$isencrypted,$plain,$is_random_order,$container);
     if ($allowed) {
         (my $breadcrumbtrail,$randompick,$ishidden,$isencrypted,$plain,
@@ -2993,9 +3105,21 @@ sub editor {
         $randompick = -1;
     }
 
-    my ($errtext,$fatal) = &mapread($coursenum,$coursedom,
-				    $folder.'.'.$container);
-    return $errtext if ($fatal);
+    my ($errtext,$fatal);
+    if (($folder eq '') && (!$supplementalflag)) {
+        if (@LONCAPA::map::order) {
+            undef(@LONCAPA::map::order);
+            undef(@LONCAPA::map::resources);
+            undef(@LONCAPA::map::resparms);
+            undef(@LONCAPA::map::zombies);
+        }
+        $folder = 'default';
+        $container = 'sequence'; 
+    } else {
+        ($errtext,$fatal) = &mapread($coursenum,$coursedom,
+				     $folder.'.'.$container);
+        return $errtext if ($fatal);
+    }
 
     if ($#LONCAPA::map::order<1) {
 	my $idx=&LONCAPA::map::getresidx();
@@ -3007,7 +3131,7 @@ sub editor {
 # ------------------------------------------------------------ Process commands
 
 # ---------------- if they are for this folder and user allowed to make changes
-    if (($allowed) && ($env{'form.folder'} eq $folder)) {
+    if (($allowed && $canedit) && ($env{'form.folder'} eq $folder)) {
 # set parameters and change order
 	&snapshotbefore();
 
@@ -3076,7 +3200,7 @@ sub editor {
 # Rename, cut, copy or remove a single resource
 	if (&handle_edit_cmd($coursenum,$coursedom)) {
             my $contentchg;
-            if ($env{'form.cmd'} =~ m{^(remove|cut)_}) {
+            if ($env{'form.cmd'} =~ m{^(remove|cut|setalias|delalias)_}) {
                 $contentchg = 1;
             }
 	    ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container,$contentchg);
@@ -3169,7 +3293,7 @@ sub editor {
                         } else {
                             return $errortxt;
                         }
-                    } elsif ($url =~ m{^/adm/$coursedom/$coursenum/new/exttool}) {
+                    } elsif ($url =~ m{^/adm/$coursedom/$coursenum/new/ext\.tool}) {
                         my ($suffix,$errortxt,$locknotfreed) =
                             &new_timebased_suffix($coursedom,$coursenum,'exttool');
                         if ($locknotfreed) {
@@ -3284,19 +3408,21 @@ sub editor {
         if ($url =~ m{/uploaded/.+\.(page|sequence)$}) {
             push(@allmapidx,$res);
         }
+
         $output .= &entryline($idx,$name,$url,$folder,$allowed,$res,
                               $coursenum,$coursedom,$crstype,
                               $pathitem,$supplementalflag,$container,
-                              \%filters,\%curr_groups,$ltitoolsref);
+                              \%filters,\%curr_groups,$ltitoolsref,$canedit,
+                              $isencrypted,$navmapref,$hostname);
         $idx++;
         $shown++;
     }
     &Apache::loncommon::end_data_table_count();
 
     my $need_save;
-    if (($allowed) || ($supplementalflag && $folder eq 'supplemental')) {
+    if ($allowed || ($supplementalflag && $folder eq 'supplemental')) {
         my $toolslink;
-        if ($allowed || &Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
+        if ($allowed) {
             $toolslink = '<table><tr><td>'
                        .&Apache::loncommon::help_open_menu('Navigation Screen',
                                                            'Navigation_Screen',undef,'RAT')
@@ -3314,10 +3440,10 @@ sub editor {
                           .&Apache::loncommon::start_data_table(undef,'contentlist')
                           .&Apache::loncommon::start_data_table_header_row()
                           .'<th colspan="2">'.&mt('Move').'</th>'
-                          .'<th colspan="2">'.&mt('Actions').'</th>'
+                          .'<th colspan="3">'.&mt('Actions').'</th>'
                           .'<th>'.&mt('Document').'</th>';
                 if ($folder !~ /^supplemental/) {
-                    $to_show .= '<th colspan="4">'.&mt('Settings').'</th>';
+                    $to_show .= '<th colspan="2">'.&mt('Settings').'</th>';
                 }
                 $to_show .= &Apache::loncommon::end_data_table_header_row();
                 if ($folder !~ /^supplemental/) {
@@ -3335,20 +3461,19 @@ sub editor {
                     if (@allidx > 0) {
                         my $path;
                         if ($env{'form.folderpath'}) {
-                            $path = 
+                            $path =
                                 &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
                         }
                         if (@allidx > 1) {
-                            $to_show .= 
+                            $to_show .=
                                 &Apache::loncommon::continue_data_table_row().
                                 '<td colspan="2">&nbsp;</td>'.
                                 '<td>'.
-                                &multiple_check_form('actions',\%lists).
+                                &multiple_check_form('actions',\%lists,$canedit).
                                 '</td>'.
-                                '<td>&nbsp;</td>'.
-                                '<td>&nbsp;</td>'.
-                                '<td colspan="4">'.
-                                &multiple_check_form('settings',\%lists).
+                                '<td colspan="3">&nbsp;</td>'.
+                                '<td colspan="2">'.
+                                &multiple_check_form('settings',\%lists,$canedit).
                                 '</td>'.
                                 &Apache::loncommon::end_data_table_row();
                              $need_save = 1;
@@ -3369,9 +3494,15 @@ sub editor {
             if (!$allowed) {
                 $to_show .= $toolslink;
             }
+            my $noresmsg;
+            if ($allowed && $hiddentop && !$supplementalflag) {
+                $noresmsg = &mt('Main Content Hidden'); 
+            } else {
+                $noresmsg = &mt('Currently empty');
+            }
             $to_show .= &Apache::loncommon::start_scrollbox('400px','380px','200px','contentscroll')
                        .'<div class="LC_info" id="contentlist">'
-                       .&mt('Currently empty')
+                       .$noresmsg
                        .'</div>'
                        .&Apache::loncommon::end_scrollbox();
         }
@@ -3395,8 +3526,10 @@ sub editor {
     if ($allowed) {
         my $readfile="/uploaded/$coursedom/$coursenum/$folder.$container";
         $r->print(&generate_edit_table($tid,$orderhash,$to_show,$iconpath,
-                                       $jumpto,$readfile,$need_save,"$folder.$container"));
-        &print_paste_buffer($r,$container,$folder,$coursedom,$coursenum);
+                                       $jumpto,$readfile,$need_save,"$folder.$container",$canedit));
+        if ($canedit) {
+            &print_paste_buffer($r,$container,$folder,$coursedom,$coursenum);
+        }
     } else {
         $r->print($to_show);
     }
@@ -3404,8 +3537,12 @@ sub editor {
 }
 
 sub multiple_check_form {
-    my ($caller,$listsref) = @_;
+    my ($caller,$listsref,$canedit) = @_;
     return unless (ref($listsref) eq 'HASH');
+    my $disabled;
+    unless ($canedit) {
+        $disabled = 'disabled="disabled"'; 
+    }
     my $output =
     '<form action="/adm/coursedocs" method="post" name="togglemult'.$caller.'">'.
     '<span class="LC_nobreak" style="font-size:x-small;font-weight:bold;">'.
@@ -3418,15 +3555,15 @@ sub multiple_check_form {
             '<table><tr>'.
             '<td class="LC_docs_entry_parameter">'.
             '<span class="LC_nobreak"><label>'.
-            '<input type="checkbox" name="hiddenresourceall" id="hiddenresourceall" onclick="propagateState(this.form,'."'hiddenresource'".')" />'.&mt('Hidden').
+            '<input type="checkbox" name="hiddenresourceall" id="hiddenresourceall" onclick="propagateState(this.form,'."'hiddenresource'".')"'.$disabled.' />'.&mt('Hidden').
             '</label></span></td>'.
             '<td class="LC_docs_entry_parameter">'.
-            '<span class="LC_nobreak"><label><input type="checkbox" name="randompickall" id="randompickall" onclick="updatePick(this.form,'."'all','check'".');propagateState(this.form,'."'randompick'".');propagateState(this.form,'."'rpicknum'".');" />'.&mt('Randomly Pick').'</label><span id="rpicktextall"></span><input type="hidden" name="rpicknumall" id="rpicknumall" value="" />'.
+            '<span class="LC_nobreak"><label><input type="checkbox" name="randompickall" id="randompickall" onclick="updatePick(this.form,'."'all','check'".');propagateState(this.form,'."'randompick'".');propagateState(this.form,'."'rpicknum'".');"'.$disabled.' />'.&mt('Randomly Pick').'</label><span id="rpicktextall"></span><input type="hidden" name="rpicknumall" id="rpicknumall" value="" />'.
             '</span></td>'.
             '</tr>'."\n".
             '<tr>'.
             '<td class="LC_docs_entry_parameter">'.
-            '<span class="LC_nobreak"><label><input type="checkbox" name="encrypturlall" id="encrypturlall" onclick="propagateState(this.form,'."'encrypturl'".')" />'.&mt('URL hidden').'</label></span></td><td class="LC_docs_entry_parameter"><span class="LC_nobreak"><label><input type="checkbox" name="randomorderall" id="randomorderall" onclick="propagateState(this.form,'."'randomorder'".')" />'.&mt('Random Order').
+            '<span class="LC_nobreak"><label><input type="checkbox" name="encrypturlall" id="encrypturlall" onclick="propagateState(this.form,'."'encrypturl'".')"'.$disabled.' />'.&mt('URL hidden').'</label></span></td><td class="LC_docs_entry_parameter"><span class="LC_nobreak"><label><input type="checkbox" name="randomorderall" id="randomorderall" onclick="propagateState(this.form,'."'randomorder'".')"'.$disabled.' />'.&mt('Random Order').
             '</label></span>'.
             '</td></tr></table>'."\n";
     } else {
@@ -3434,15 +3571,15 @@ sub multiple_check_form {
             '<table><tr>'.
             '<td class="LC_docs_entry_parameter">'.
             '<span class="LC_nobreak LC_docs_remove">'.
-            '<label><input type="checkbox" name="removeall" id="removeall" onclick="propagateState(this.form,'."'remove'".')" />'.&mt('Remove').
+            '<label><input type="checkbox" name="removeall" id="removeall" onclick="propagateState(this.form,'."'remove'".')"'.$disabled.' />'.&mt('Remove').
             '</label></span></td>'.
             '<td class="LC_docs_entry_parameter">'.
             '<span class="LC_nobreak LC_docs_cut">'.
-            '<label><input type="checkbox" name="cut" id="cutall" onclick="propagateState(this.form,'."'cut'".');" />'.&mt('Cut').
+            '<label><input type="checkbox" name="cut" id="cutall" onclick="propagateState(this.form,'."'cut'".');"'.$disabled.' />'.&mt('Cut').
             '</label></span></td>'."\n".
             '<td class="LC_docs_entry_parameter">'.
             '<span class="LC_nobreak LC_docs_copy">'.
-            '<label><input type="checkbox" name="copyall" id="copyall" onclick="propagateState(this.form,'."'copy'".')" />'.&mt('Copy').
+            '<label><input type="checkbox" name="copyall" id="copyall" onclick="propagateState(this.form,'."'copy'".')"'. $disabled.' />'.&mt('Copy').
             '</label></span></td>'.
             '</tr></table>'."\n";
     }
@@ -3575,7 +3712,7 @@ sub process_file_upload {
                     my $uploadphase = 'upload_embedded';
                     my $primaryurl = &HTML::Entities::encode($url,'<>&"');
 		    my $state = &embedded_form_elems($uploadphase,$primaryurl,$newidx); 
-                    my ($embedded,$num) = 
+                    my ($embedded,$num) =
                         &Apache::loncommon::ask_for_embedded_content(
                             '/adm/coursedocs',$state,$allfiles,$codebase,{'docs_url' => $url});
                     if ($embedded) {
@@ -3656,7 +3793,7 @@ sub is_supplemental_title {
 sub entryline {
     my ($index,$title,$url,$folder,$allowed,$residx,$coursenum,$coursedom,
         $crstype,$pathitem,$supplementalflag,$container,$filtersref,$currgroups,
-        $ltitoolsref)=@_;
+        $ltitoolsref,$canedit,$isencrypted,$navmapref,$hostname)=@_;
     my ($foldertitle,$renametitle,$oldtitle);
     if (&is_supplemental_title($title)) {
 	($title,$foldertitle,$renametitle) = &Apache::loncommon::parse_supplemental_title($title);
@@ -3666,6 +3803,12 @@ sub entryline {
 	$foldertitle=$title;
     }
 
+    my ($disabled,$readonly,$js_lt);
+    unless ($canedit) {
+        $disabled = 'disabled="disabled"';
+        $readonly = 1;
+    }
+
     my $orderidx=$LONCAPA::map::order[$index];
 
     $renametitle=~s/\\/\\\\/g;
@@ -3677,7 +3820,7 @@ sub entryline {
     my $line=&Apache::loncommon::start_data_table_row();
     my ($form_start,$form_end,$form_common,$form_param);
 # Edit commands
-    my ($esc_path, $path, $symb);
+    my ($esc_path, $path, $symb, $curralias);
     if ($env{'form.folderpath'}) {
 	$esc_path=&escape($env{'form.folderpath'});
 	$path = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
@@ -3729,7 +3872,7 @@ END
 	     ne '')) {
 	    $selectbox=
 		'<input type="hidden" name="currentpos" value="'.$incindex.'" />'.
-		'<select name="newpos" onchange="this.form.submit()">';
+		'<select name="newpos" onchange="this.form.submit()"'.$disabled.'>';
 	    for (my $i=1;$i<=$#LONCAPA::map::order+1;$i++) {
 		if ($i==$incindex) {
 		    $selectbox.='<option value="" selected="selected">('.$i.')</option>';
@@ -3746,13 +3889,16 @@ END
                 'ct' => 'Cut',
 		'rn' => 'Rename',
 		'cp' => 'Copy',
+                'da' => 'Unset alias', 
+                'sa' => 'Set alias',
                 'ex' => 'External Resource',
                 'et' => 'External Tool',
                 'ed' => 'Edit',
                 'pr' => 'Preview',
                 'sv' => 'Save',
                 'ul' => 'URL',
-                'ti' => 'Title', 
+                'ti' => 'Title',
+                'er' => 'Editing rights unavailable for your current role.', 
                 );
 	my %denied = &action_restrictions($coursenum,$coursedom,$url,
                                           $env{'form.folderpath'},
@@ -3766,7 +3912,7 @@ END
 			    |/aboutme$
 			    |/navmaps$
 			    |/bulletinboard$
-                            |/exttools?$
+                            |/ext\.tool$
 			    |\.html$)}x)
              || $isexternal) {
 	    $skip_confirm = 1;
@@ -3775,6 +3921,9 @@ END
             ($url!~/$LONCAPA::assess_page_seq_re/)) {
             $confirm_removal = 1;
         }
+        if ($url =~ /$LONCAPA::assess_re/) {
+            $curralias = (&LONCAPA::map::getparameter($orderidx,'parameter_0_mapalias'))[0];
+        }
 
 	if ($denied{'copy'}) {
             $copylink=(<<ENDCOPY)
@@ -3786,7 +3935,7 @@ ENDCOPY
 	    $copylink=(<<ENDCOPY);
 <form name="$formname" method="post" action="/adm/coursedocs">
 $form_common
-<input type="checkbox" name="copy" id="copy_$orderidx" value="$orderidx" onclick="javascript:singleCheck(this,'$orderidx','copy');" class="LC_hidden" /><a href="$js" class="LC_docs_copy">$lt{'cp'}</a>
+<input type="checkbox" name="copy" id="copy_$orderidx" value="$orderidx" onclick="javascript:singleCheck(this,'$orderidx','copy');" class="LC_hidden" $disabled /><a href="$js" class="LC_docs_copy">$lt{'cp'}</a>
 $form_end
 ENDCOPY
             if (($ishash) && (ref($filtersref->{'cancopy'}) eq 'ARRAY')) {
@@ -3804,7 +3953,7 @@ ENDCUT
 <form name="$formname" method="post" action="/adm/coursedocs">
 $form_common
 <input type="hidden" name="skip_$orderidx" id="skip_cut_$orderidx" value="$skip_confirm" />
-<input type="checkbox" name="cut" id="cut_$orderidx" value="$orderidx" onclick="javascript:singleCheck(this,'$orderidx','cut');" class="LC_hidden" /><a href="$js" class="LC_docs_cut">$lt{'ct'}</a>
+<input type="checkbox" name="cut" id="cut_$orderidx" value="$orderidx" onclick="javascript:singleCheck(this,'$orderidx','cut');" class="LC_hidden" $disabled /><a href="$js" class="LC_docs_cut">$lt{'ct'}</a>
 $form_end
 ENDCUT
             if (($ishash) && (ref($filtersref->{'cancut'}) eq 'ARRAY')) {
@@ -3823,7 +3972,7 @@ ENDREM
 $form_common
 <input type="hidden" name="skip_$orderidx" id="skip_remove_$orderidx" value="$skip_confirm" />
 <input type="hidden" name="confirm_rem_$orderidx" id="confirm_removal_$orderidx" value="$confirm_removal" />
-<input type="checkbox" name="remove" id="remove_$orderidx" value="$orderidx" onclick="javascript:singleCheck(this,'$orderidx','remove');" class="LC_hidden" /><a href="$js" class="LC_docs_remove">$lt{'rm'}</a>
+<input type="checkbox" name="remove" id="remove_$orderidx" value="$orderidx" onclick="javascript:singleCheck(this,'$orderidx','remove');" class="LC_hidden" $disabled /><a href="$js" class="LC_docs_remove">$lt{'rm'}</a>
 $form_end
 ENDREM
             if (($ishash) && (ref($filtersref->{'canremove'}) eq 'ARRAY')) {
@@ -3833,15 +3982,23 @@ ENDREM
         $renamelink=(<<ENDREN);
 <a href='javascript:changename("$esc_path","$index","$oldtitle");' class="LC_docs_rename">$lt{'rn'}</a>
 ENDREN
+        my ($uplink,$downlink);
+        if ($canedit) {
+            $uplink = "/adm/coursedocs?cmd=up_$index&amp;folderpath=$esc_path&amp;symb=$symb";
+            $downlink = "/adm/coursedocs?cmd=down_$index&amp;folderpath=$esc_path&amp;symb=$symb";
+        } else {
+            $uplink = "javascript:alert('".&js_escape($lt{'er'})."');";
+            $downlink = $uplink;
+        }
 	$line.=(<<END);
 <td>
 <div class="LC_docs_entry_move">
-  <a href='/adm/coursedocs?cmd=up_$index&amp;folderpath=$esc_path&amp;symb=$symb'>
+  <a href="$uplink">
     <img src="${iconpath}move_up.gif" alt="$lt{'up'}" class="LC_icon" />
   </a>
 </div>
 <div class="LC_docs_entry_move">
-  <a href='/adm/coursedocs?cmd=down_$index&amp;folderpath=$esc_path&amp;symb=$symb'>
+  <a href="$downlink">
     <img src="${iconpath}move_down.gif" alt="$lt{'dw'}" class="LC_icon" />
   </a>
 </div>
@@ -3867,6 +4024,7 @@ END
     my $isfolder;
     my $ispage;
     my $containerarg;
+    my $folderurl;
     if ($uploaded) {
         if (($extension eq 'sequence') || ($extension eq 'page')) {
             $url=~/\Q$coursenum\E\/([\/\w]+)\.\Q$extension\E$/;
@@ -3878,6 +4036,7 @@ END
                 $icon=$iconpath.'page.gif';
                 $ispage=1;
             }
+            $folderurl = &Apache::lonnet::declutter($url);
             if ($allowed) {
                 $url='/adm/coursedocs?';
             } else {
@@ -3888,7 +4047,7 @@ END
 	}
     }
 
-    my ($editlink,$extresform,$anchor);
+    my ($editlink,$extresform,$anchor,$hiddenres,$nomodal);
     my $orig_url = $url;
     $orig_url=~s{http(&colon;|:)//https(&colon;|:)//}{https$2//};
     $url=~s{^http(|s)(&colon;|:)//}{/adm/wrapper/ext/};
@@ -3906,10 +4065,23 @@ END
 	        } elsif ($url!~/\.(sequence|page)$/) {
 		    $url='/adm/coursedocs/showdoc'.$url;
 	        }
-	    } elsif ($url=~m|^/ext/|) {
-	        $url='/adm/wrapper'.$url;
-	    } elsif ($url=~m{^/adm/$coursedom/$coursenum/\d+/exttools?$}) {
+	    } elsif ($url=~m{^(|/adm/wrapper)/ext/([^#]+)}) {
+                my $wrapped = $1;
+                my $exturl = $2;
+                if ($wrapped eq '') {
+                    $url='/adm/wrapper'.$url;
+                }
+                if (($ENV{'SERVER_PORT'} == 443) && ($exturl !~ /^https:/)) {
+                    $nomodal = 1;
+                }
+	    } elsif ($url=~m{^/adm/$coursedom/$coursenum/\d+/ext\.tool$}) {
 		$url='/adm/wrapper'.$url;
+            } elsif ($url eq "/public/$coursedom/$coursenum/syllabus") {
+                if (($ENV{'SERVER_PORT'} == 443) &&
+                    ($env{'course.'.$env{'request.course.id'}.'.externalsyllabus'} =~ m{^http://})) {
+                    $url .= '?usehttp=1';
+                    $nomodal = 1;
+                }
             }
             if (&Apache::lonnet::symbverify($symb,$url)) {
                 my $shownsymb = $symb;
@@ -3922,20 +4094,76 @@ END
                         }
                     }
                 }
-                $url.=(($url=~/\?/)?'&':'?').'symb='.&HTML::Entities::encode($shownsymb,'"<>&');
+                unless ($env{'request.role.adv'}) {
+                    if ((&LONCAPA::map::getparameter($orderidx,'parameter_hiddenresource'))[0]=~/^yes$/i) {
+                        $url = '';
+                    }
+                    if (&Apache::lonnet::EXT('resource.0.hiddenresource',$symb) =~ /^yes$/i) {
+                        $url = '';
+                        $hiddenres = 1;
+                    }
+                }
+                if ($url ne '') {
+                    $url.=(($url=~/\?/)?'&':'?').'symb='.&escape($shownsymb);
+                }
+            } elsif (!$env{'request.role.adv'}) {
+                my $checkencrypt;
+                if (((&LONCAPA::map::getparameter($orderidx,'parameter_encrypturl'))[0]=~/^yes$/i) ||
+                      $isencrypted || (&Apache::lonnet::EXT('resource.0.encrypturl',$symb) =~ /^yes$/i)) {
+                    $checkencrypt = 1;
+                } elsif (ref($navmapref)) {
+                    unless (ref($$navmapref)) {
+                        $$navmapref = Apache::lonnavmaps::navmap->new();
+                    }
+                    if (ref($$navmapref)) {
+                        if (lc($$navmapref->get_mapparam($symb,undef,"0.encrypturl")) eq 'yes') {
+                            $checkencrypt = 1;       
+                        }
+                    }
+                }
+                if ($checkencrypt) {
+                    my $shownsymb = &Apache::lonenc::encrypted($symb);
+                    my $shownurl = &Apache::lonenc::encrypted($url);
+                    if (&Apache::lonnet::symbverify($shownsymb,$shownurl)) {
+                        $url = $shownurl.(($shownurl=~/\?/)?'&':'?').'symb='.&escape($shownsymb);
+                        if ($env{'request.enc'} ne '') {
+                            delete($env{'request.enc'});
+                        }
+                    } else {
+                        $url='';
+                    }
+                } else {
+                    $url='';
+                }
             } else {
                 $url='';
             }
 	}
-    } elsif ($supplementalflag) { 
+    } elsif ($supplementalflag) {
         if ($isexternal) {
             if ($url =~ /^([^#]+)#([^#]+)$/) {
                 $url = $1;
                 $anchor = $2;
+                if (($url =~ m{^(|/adm/wrapper)/ext/(?!https:)}) && ($ENV{'SERVER_PORT'} == 443)) {
+                    if ($hostname ne '') {
+                        $url = 'http://'.$hostname.$url;
+                    }
+                    $nomodal = 1;
+                }
+            }
+        } elsif ($url =~ m{^\Q/public/$coursedom/$coursenum/syllabus\E}) {
+            if (($ENV{'SERVER_PORT'} == 443) &&
+                ($env{'course.'.$env{'request.course.id'}.'.externalsyllabus'} =~ m{^http://})) {
+                if ($hostname ne '') {
+                    $url = 'http://'.$hostname.$url;
+                }
+                $url .= (($url =~ /\?/) ? '&amp;':'?').'usehttp=1';
+                $nomodal = 1;
             }
         }
     }
-    my ($rand_pick_text,$rand_order_text);
+    my ($rand_pick_text,$rand_order_text,$hiddenfolder);
+    my $filterFunc = sub { my $res = shift; return (!$res->randomout() && !$res->is_map()) };
     if ($isfolder || $ispage || $extension eq 'sequence' || $extension eq 'page') {
 	my $foldername=&escape($foldertitle);
 	my $folderpath=$env{'form.folderpath'};
@@ -3944,21 +4172,48 @@ END
             $folderpath.=$containerarg.'&'.$foldername;
             $url.='folderpath='.&escape($folderpath);
         } else {
+            my $rpicknum = (&LONCAPA::map::getparameter($orderidx,
+                                                        'parameter_randompick'))[0];
+            my $randorder = ((&LONCAPA::map::getparameter($orderidx,
+                                              'parameter_randomorder'))[0]=~/^yes$/i);
+            my $hiddenmap = ((&LONCAPA::map::getparameter($orderidx,
+                                              'parameter_hiddenresource'))[0]=~/^yes$/i);
+            my $encryptmap = ((&LONCAPA::map::getparameter($orderidx,
+                                              'parameter_encrypturl'))[0]=~/^yes$/i);
+            unless ($hiddenmap) {
+                if (ref($navmapref)) {
+                    unless (ref($$navmapref)) {
+                        $$navmapref = Apache::lonnavmaps::navmap->new();
+                    }
+                    if (ref($$navmapref)) {
+                        if (lc($$navmapref->get_mapparam(undef,$folderurl,"0.hiddenresource")) eq 'yes') {
+                            my @resources = $$navmapref->retrieveResources($folderurl,$filterFunc,1,1);
+                            unless (@resources) {
+                                $hiddenmap = 1;
+                                unless ($env{'request.role.adv'}) {  
+                                    $url = '';
+                                    $hiddenfolder = 1;
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            unless ($encryptmap) {
+                if ((ref($navmapref)) && (ref($$navmapref))) {
+                    if (lc($$navmapref->get_mapparam(undef,$folderurl,"0.encrypturl")) eq 'yes') {
+                        $encryptmap = 1;
+                    }
+                }
+            }
+
 # Append randompick number, hidden, and encrypted with ":" to foldername,
 # so it gets transferred between levels
 	    $folderpath.=$containerarg.'&'.$foldername.
-                                              ':'.(&LONCAPA::map::getparameter($orderidx,
-                                              'parameter_randompick'))[0]
-                                               .':'.((&LONCAPA::map::getparameter($orderidx,
-                                              'parameter_hiddenresource'))[0]=~/^yes$/i)
-                                               .':'.((&LONCAPA::map::getparameter($orderidx,
-                                              'parameter_encrypturl'))[0]=~/^yes$/i)
-                                               .':'.((&LONCAPA::map::getparameter($orderidx,
-                                              'parameter_randomorder'))[0]=~/^yes$/i)
-                                               .':'.$ispage;
-	    $url.='folderpath='.&escape($folderpath);
-            my $rpicknum = (&LONCAPA::map::getparameter($orderidx,
-                                                        'parameter_randompick'))[0];
+                         ':'.$rpicknum.':'.$hiddenmap.':'.$encryptmap.':'.$randorder.':'.$ispage;
+            unless ($url eq '') {
+                $url.='folderpath='.&escape($folderpath);
+            }
             my $rpckchk;
             if ($rpicknum) {
                 $rpckchk = ' checked="checked"';
@@ -3971,14 +4226,14 @@ END
 '<form action="/adm/coursedocs" method="post" name="'.$formname.'">'."\n".
 $form_param."\n".
 $form_common."\n".
-'<span class="LC_nobreak"><label><input type="checkbox" name="randompick_'.$orderidx.'" id="randompick_'.$orderidx.'" onclick="'."updatePick(this.form,'$orderidx','check');".'"'.$rpckchk.' /> '.&mt('Randomly Pick').'</label><input type="hidden" name="rpicknum_'.$orderidx.'" id="rpicknum_'.$orderidx.'" value="'.$rpicknum.'" /><span id="randompicknum_'.$orderidx.'">';
+'<span class="LC_nobreak"><label><input type="checkbox" name="randompick_'.$orderidx.'" id="randompick_'.$orderidx.'" onclick="'."updatePick(this.form,'$orderidx','check');".'"'.$rpckchk.$disabled.' /> '.&mt('Randomly Pick').'</label><input type="hidden" name="rpicknum_'.$orderidx.'" id="rpicknum_'.$orderidx.'" value="'.$rpicknum.'" /><span id="randompicknum_'.$orderidx.'">';
             if ($rpicknum ne '') {
                 $rand_pick_text .= ':&nbsp;<a href="javascript:updatePick('."document.$formname,'$orderidx','link'".')">'.$rpicknum.'</a>';
             }
             $rand_pick_text .= '</span></span>'.
                                $form_end;
             my $ro_set;
-            if ((&LONCAPA::map::getparameter($orderidx,'parameter_randomorder'))[0]=~/^yes$/i) {
+            if ($randorder) {
                 $ro_set = 'checked="checked"';
                 if (($ishash) && (ref($filtersref->{'randomorder'}) eq 'ARRAY')) {
                     push(@{$filtersref->{'randomorder'}},$orderidx);
@@ -3989,12 +4244,12 @@ $form_common."\n".
 '<form action="/adm/coursedocs" method="post" name="'.$formname.'">'."\n".
 $form_param."\n".
 $form_common."\n".
-'<span class="LC_nobreak"><label><input type="checkbox" name="randomorder_'.$orderidx.'" id="randomorder_'.$orderidx.'" onclick="checkForSubmit(this.form,'."'randomorder','settings'".');" '.$ro_set.' /> '.&mt('Random Order').' </label></span>'.
+'<span class="LC_nobreak"><label><input type="checkbox" name="randomorder_'.$orderidx.'" id="randomorder_'.$orderidx.'" onclick="checkForSubmit(this.form,'."'randomorder','settings'".');" '.$ro_set.$disabled.' /> '.&mt('Random Order').' </label></span>'.
 $form_end; 
         }
     } elsif ($supplementalflag && !$allowed) {
         my $isexttool;
-        if ($url=~m{^/adm/$coursedom/$coursenum/\d+/exttools?$}) {
+        if ($url=~m{^/adm/$coursedom/$coursenum/\d+/ext\.tool$}) {
             $url='/adm/wrapper'.$url;
             $isexttool = 1;
         }
@@ -4012,16 +4267,18 @@ $form_end;
     }
     my ($tdalign,$tdwidth);
     if ($allowed) {
-        my $fileloc = 
+        my $fileloc =
             &Apache::lonnet::declutter(&Apache::lonnet::filelocation('',$orig_url));
         if ($isexternal) {
-            ($editlink,$extresform) = 
-                &Apache::lonextresedit::extedit_form(0,$residx,$orig_url,$title,$pathitem);
-        } elsif ($orig_url =~ m{^/adm/$coursedom/$coursenum/\d+/exttools?$}) {
+            ($editlink,$extresform) =
+                &Apache::lonextresedit::extedit_form(0,$residx,$orig_url,$title,$pathitem,
+                                                     undef,undef,undef,undef,undef,undef,
+                                                     undef,$disabled);
+        } elsif ($orig_url =~ m{^/adm/$coursedom/$coursenum/\d+/ext\.tool$}) {
             ($editlink,$extresform) =
                 &Apache::lonextresedit::extedit_form(0,$residx,$orig_url,$title,$pathitem,
                                                      undef,undef,undef,'tool',$coursedom,
-                                                     $coursenum,$ltitoolsref);
+                                                     $coursenum,$ltitoolsref,$disabled);
         } elsif (!$isfolder && !$ispage) {
             my ($cfile,$home,$switchserver,$forceedit,$forceview) = 
                 &Apache::lonnet::can_edit_resource($fileloc,$coursenum,$coursedom,$orig_url);
@@ -4030,13 +4287,14 @@ $form_end;
                 if ($supplementalflag) {
                     $suppanchor = $anchor;
                 }
-                my $jscall = 
+                my $jscall =
                     &Apache::lonhtmlcommon::jump_to_editres($cfile,$home,
                                                             $switchserver,
                                                             $forceedit,
                                                             undef,$symb,
                                                             &escape($env{'form.folderpath'}),
-                                                            $renametitle,'','',1,$suppanchor);
+                                                            $renametitle,$hostname,
+                                                            '','',1,$suppanchor);
                 if ($jscall) {
                     $editlink = '<a class="LC_docs_ext_edit" href="javascript:'.
                                 $jscall.'" >'.&mt('Edit').'</a>&nbsp;'."\n";
@@ -4053,6 +4311,18 @@ $form_end;
         $reinit = &mt('(re-initialize course to access)');
     }
     $line.='<td class="LC_docs_entry_commands"'.$tdalign.'><span class="LC_nobreak">'.$editlink.$renamelink;
+    if ($url =~ /$LONCAPA::assess_re/) {
+        $line.= '<br />';
+        if ($curralias ne '') {
+            $line.='<span class="LC_nobreak"><a href="javascript:delalias('."'$esc_path','$orderidx'".');" class="LC_docs_alias">'.
+                   $lt{'da'}.'</a></span>';
+        } else {
+            $line.='<span class="LC_nobreak"><a href="javascript:setalias('."'$esc_path','$orderidx'".');" class="LC_docs_alias">'.
+                   $lt{'sa'}.'</a></span>';
+        }
+    }
+    $line.='</td><td>';
+    my $link;
     if (($url=~m{/adm/(coursedocs|supplemental)}) || (!$allowed && $url)) {
        $line.='<a href="'.$url.'"><img src="'.$icon.'" alt="" class="LC_icon" /></a>';
     } elsif ($url) {
@@ -4063,9 +4333,20 @@ $form_end;
                $anchor = '#'.&HTML::Entities::encode($anchor,'"<>&');
            }
        }
-       $line.=&Apache::loncommon::modal_link($url.(($url=~/\?/)?'&amp;':'?').'inhibitmenu=yes'.
-                                             (($anchor ne '')?$anchor:''),
-                                             '<img src="'.$icon.'" alt="" class="LC_icon" />',600,500);
+       if ((!$supplementalflag) && ($nomodal) && ($hostname ne '')) {
+           $link = 'http://'.$hostname.$url;
+       } else {
+           $link = $url;
+       }
+       $link = &js_escape($link.(($url=~/\?/)?'&amp;':'?').'inhibitmenu=yes'.
+                                               (($anchor ne '')?$anchor:''));
+       if ($nomodal) {
+           $line.='<a href="#" onclick="javascript:window.open('."'$link','syllabuspreview','height=400,width=500,scrollbars=1,resizable=1,menubar=0,location=1')".'; return false;" />'.
+                  '<img src="'.$icon.'" alt="" class="LC_icon" border="0" /></a>';
+       } else {
+           $line.=&Apache::loncommon::modal_link($link,
+                                                 '<img src="'.$icon.'" alt="" class="LC_icon" />',600,500);
+       }
     } else {
        $line.='<img src="'.$icon.'" alt="" class="LC_icon" />';
     }
@@ -4073,13 +4354,23 @@ $form_end;
     if (($url=~m{/adm/(coursedocs|supplemental)}) || (!$allowed && $url)) {
        $line.='<a href="'.$url.'">'.$title.'</a>';
     } elsif ($url) {
-       $line.=&Apache::loncommon::modal_link($url.(($url=~/\?/)?'&amp;':'?').'inhibitmenu=yes'.
-                                             (($anchor ne '')?$anchor:''),
-                                             $title,600,500);
+       if ($nomodal) {
+           $line.='<a href="#" onclick="javascript:window.open('."'$link','syllabuspreview','height=400,width=500,scrollbars=1,resizable=1,menubar=0,location=1')".'; return false;" />'.
+                  $title.'</a>';
+       } else {
+           $line.=&Apache::loncommon::modal_link($link,$title,600,500);
+       }
+    } elsif (($hiddenfolder) || ($hiddenres)) {
+       $line.=$title.' <span class="LC_warning LC_docs_reinit_warn">('.&mt('Hidden').')</span>';
     } else {
        $line.=$title.' <span class="LC_docs_reinit_warn">'.$reinit.'</span>';
     }
-    $line.="$extresform</td>";
+    if (($allowed) && ($curralias ne '')) {
+        $line .= '<br /><span class="LC_docs_alias_name">('.$curralias.')</span>';
+    } else {
+        $line .= $extresform;
+    }
+    $line .= '</td>';
     $rand_pick_text = '&nbsp;' if ($rand_pick_text eq '');
     $rand_order_text = '&nbsp;' if ($rand_order_text eq '');
     if (($allowed) && ($folder!~/^supplemental/)) {
@@ -4106,13 +4397,13 @@ $form_end;
     <form action="/adm/coursedocs" method="post" name="$formhidden">
     $form_param
     $form_common
-    <label><input type="checkbox" name="hiddenresource_$orderidx" id="hiddenresource_$orderidx" onclick="checkForSubmit(this.form,'hiddenresource','settings');" $hidtext /> $lt{'hd'}</label>
+    <label><input type="checkbox" name="hiddenresource_$orderidx" id="hiddenresource_$orderidx" onclick="checkForSubmit(this.form,'hiddenresource','settings');" $hidtext $disabled /> $lt{'hd'}</label>
     $form_end
     <br />
     <form action="/adm/coursedocs" method="post" name="$formurlhidden">
     $form_param
     $form_common
-    <label><input type="checkbox" name="encrypturl_$orderidx" id="encrypturl_$orderidx" onclick="checkForSubmit(this.form,'encrypturl','settings');" $enctext /> $lt{'ec'}</label>
+    <label><input type="checkbox" name="encrypturl_$orderidx" id="encrypturl_$orderidx" onclick="checkForSubmit(this.form,'encrypturl','settings');" $enctext $disabled /> $lt{'ec'}</label>
     $form_end
   </td>
   <td class="LC_docs_entry_parameter">$rand_pick_text<br />
@@ -4214,6 +4505,8 @@ sub new_timebased_suffix {
             $errtext = &mt('Failed to acquire a unique timestamp-based suffix for the new folder/page.');
         } elsif ($type eq 'smppg') {
             $errtext = &mt('Failed to acquire a unique timestamp-based suffix for the new simple page.');
+        } elsif ($type eq 'exttool') {
+            $errtext = &mt('Failed to acquire a unique timestamp-based suffix for the new external tool.');
         } else {
             $errtext = &mt('Failed to acquire a unique timestamp-based suffix for the new discussion board.');
         }
@@ -4222,7 +4515,7 @@ sub new_timebased_suffix {
         }
     }
     if ($freedlock ne 'ok') {
-        $locknotfreed = 
+        $locknotfreed =
             '<div class="LC_error">'.
             &mt('There was a problem removing a lockfile.').' ';
         if ($type eq 'paste') {
@@ -4242,6 +4535,9 @@ sub new_timebased_suffix {
         } elsif ($type eq 'smppg') {
             $locknotfreed .=
                 &mt('This will prevent creation of additional simple pages in this course.');
+        } elsif ($type eq 'exttool') {
+            $locknotfreed .=
+                &mt('This will prevent creation of additional external tools in this course.');
         } else {
             $locknotfreed .=
                 &mt('This will prevent creation of additional discussion boards in this course.');
@@ -4292,7 +4588,7 @@ sub untiehash {
 
 
 sub checkonthis {
-    my ($r,$url,$level,$title)=@_;
+    my ($r,$url,$level,$title,$checkstale)=@_;
     $url=&unescape($url);
     $alreadyseen{$url}=1;
     $r->rflush();
@@ -4307,10 +4603,22 @@ sub checkonthis {
        $r->print('<a href="'.$url.'" target="cat">'.
 		 ($title?$title:$url).'</a> ');
        if ($url=~/^\/res\//) {
+          my $updated;
+          if (($checkstale) && ($url !~ m{^/res/lib/templates/}) &&
+              ($url !~ /\.\d+\.\w+$/)) {
+              $updated = &Apache::lonnet::remove_stale_resfile($url);
+          }
 	  my $result=&Apache::lonnet::repcopy(
                               &Apache::lonnet::filelocation('',$url));
           if ($result eq 'ok') {
              $r->print('<span class="LC_success">'.&mt('ok').'</span>');
+             if ($updated) {
+                 $r->print('<br />');
+                 for (my $i=0;$i<=$level*5;$i++) {
+                     $r->print('&nbsp;');
+                 }
+                 $r->print('- '.&mt('Outdated copy removed'));
+             }
              $r->rflush();
              &Apache::lonnet::countacc($url);
              $url=~/\.(\w+)$/;
@@ -4344,7 +4652,7 @@ sub checkonthis {
                 &Apache::lonnet::metadata($url,'dependencies');
              foreach my $dep (split(/\,/,$dependencies)) {
 		 if (($dep=~/^\/res\//) && (!$alreadyseen{$dep})) {
-                    &checkonthis($r,$dep,$level+1);
+                    &checkonthis($r,$dep,$level+1,'',$checkstale);
                  }
              }
           } elsif ($result eq 'unavailable') {
@@ -4358,6 +4666,9 @@ sub checkonthis {
           } else {
              $r->print('<span class="LC_error">'.&mt('access denied').'</span>');
           }
+          if (($updated) && ($result ne 'ok')) {
+              $r->print('<br />'.&mt('Outdated copy removed'));
+          }
        }
     }
 }
@@ -4410,9 +4721,29 @@ sub list_symbs {
     $r->print(&endContentScreen());
 }
 
+sub contentverifyform {
+    my ($r) = @_;
+    my $crstype = &Apache::loncommon::course_type();
+    $r->print(&Apache::loncommon::start_page('Verify '.$crstype.' Content'));
+    $r->print(&Apache::lonhtmlcommon::breadcrumbs('Verify '.$crstype.' Content'));
+    $r->print(&startContentScreen('tools'));
+    $r->print('<h4 class="LC_info">'.&mt($crstype.' content verification').'</h4>');
+    $r->print('<form method="post" action="/adm/coursedocs"><p>'.
+              &mt('Include a check if files copied from elsewhere are up to date (will increase verification time)?').
+              '&nbsp;<span class="LC_nobreak">'.
+              '<label><input type="radio" name="checkstale" value="0" checked="checked" />'.
+              &mt('No').'</label>'.('&nbsp;'x2).
+              '<label><input type="radio" name="checkstale" value="1" />'.
+              &mt('Yes').'</label></span></p><p>'.
+              '<input type="submit" value="'.&mt('Verify content').' "/>'.
+              '<input type="hidden" value="1" name="tools" />'.
+              '<input type="hidden" value="1" name="verify" /></p></form>');
+    $r->print(&endContentScreen());
+    return;
+}
 
 sub verifycontent {
-    my ($r) = @_;
+    my ($r,$checkstale) = @_;
     my $crstype = &Apache::loncommon::course_type();
     $r->print(&Apache::loncommon::start_page('Verify '.$crstype.' Content'));
     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Verify '.$crstype.' Content'));
@@ -4433,7 +4764,7 @@ sub verifycontent {
 	   }
        }
        if (($key=~/^src\_(.+)$/) && (!$alreadyseen{&unescape($hash{$key})})) {
-           &checkonthis($r,$hash{$key},0,$hash{'title_'.$1});
+           &checkonthis($r,$hash{$key},0,$hash{'title_'.$1},$checkstale);
        }
    }
    &untiehash();
@@ -4441,7 +4772,6 @@ sub verifycontent {
     $r->print(&endContentScreen());
 }
 
-
 sub devalidateversioncache {
     my $src=shift;
     &Apache::lonnet::devalidate_cache_new('courseresversion',$env{'request.course.id'}.'_'.
@@ -4449,7 +4779,7 @@ sub devalidateversioncache {
 }
 
 sub checkversions {
-    my ($r) = @_;
+    my ($r,$canedit) = @_;
     my $crstype = &Apache::loncommon::course_type();
     $r->print(&Apache::loncommon::start_page("Check $crstype Resource Versions"));
     $r->print(&Apache::lonhtmlcommon::breadcrumbs("Check $crstype Resource Versions"));
@@ -4470,51 +4800,53 @@ sub checkversions {
 
     $hashtied=0;
     &tiehash();
-    my %newsetversions=();
-    if ($env{'form.setmostrecent'}) {
-	$haschanged=1;
-	foreach my $key (keys(%hash)) {
-	    if ($key=~/^ids\_(\/res\/.+)$/) {
-		$newsetversions{$1}='mostrecent';
-                &devalidateversioncache($1);
+    if ($canedit) {
+        my %newsetversions=();
+        if ($env{'form.setmostrecent'}) {
+	    $haschanged=1;
+	    foreach my $key (keys(%hash)) {
+	        if ($key=~/^ids\_(\/res\/.+)$/) {
+		    $newsetversions{$1}='mostrecent';
+                    &devalidateversioncache($1);
+	        }
 	    }
-	}
-    } elsif ($env{'form.setcurrent'}) {
-	$haschanged=1;
-	foreach my $key (keys(%hash)) {
-	    if ($key=~/^ids\_(\/res\/.+)$/) {
-		my $getvers=&Apache::lonnet::getversion($1);
-		if ($getvers>0) {
-		    $newsetversions{$1}=$getvers;
-		    &devalidateversioncache($1);
-		}
+        } elsif ($env{'form.setcurrent'}) {
+	    $haschanged=1;
+	    foreach my $key (keys(%hash)) {
+	        if ($key=~/^ids\_(\/res\/.+)$/) {
+		    my $getvers=&Apache::lonnet::getversion($1);
+		    if ($getvers>0) {
+		        $newsetversions{$1}=$getvers;
+		        &devalidateversioncache($1);
+		    }
+	        }
 	    }
-	}
-    } elsif ($env{'form.setversions'}) {
-	$haschanged=1;
-	foreach my $key (keys(%env)) {
-	    if ($key=~/^form\.set_version_(.+)$/) {
-		my $src=$1;
-		if (($env{$key}) && ($env{$key} ne $setversions{$src})) {
-		    $newsetversions{$src}=$env{$key};
-		    &devalidateversioncache($src);
-		}
+        } elsif ($env{'form.setversions'}) {
+	    $haschanged=1;
+	    foreach my $key (keys(%env)) {
+	        if ($key=~/^form\.set_version_(.+)$/) {
+		    my $src=$1;
+		    if (($env{$key}) && ($env{$key} ne $setversions{$src})) {
+		        $newsetversions{$src}=$env{$key};
+		        &devalidateversioncache($src);
+		    }
+	        }
 	    }
-	}
-    }
-    if ($haschanged) {
-        if (&Apache::lonnet::put('resourceversions',\%newsetversions,
-			  $env{'course.'.$env{'request.course.id'}.'.domain'},
-			  $env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') {
-	    $r->print(&Apache::loncommon::confirmwrapper(
-                &Apache::lonhtmlcommon::confirm_success(&mt('Your Version Settings have been Saved'))));
-	} else {
-	    $r->print(&Apache::loncommon::confirmwrapper(
-                &Apache::lonhtmlcommon::confirm_success(&mt('An Error Occured while Attempting to Save your Version Settings'),1)));
-	}
-	&mark_hash_old();
+        }
+        if ($haschanged) {
+            if (&Apache::lonnet::put('resourceversions',\%newsetversions,
+			             $env{'course.'.$env{'request.course.id'}.'.domain'},
+			             $env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') {
+	        $r->print(&Apache::loncommon::confirmwrapper(
+                    &Apache::lonhtmlcommon::confirm_success(&mt('Your Version Settings have been Saved'))));
+	    } else {
+	        $r->print(&Apache::loncommon::confirmwrapper(
+                    &Apache::lonhtmlcommon::confirm_success(&mt('An Error Occured while Attempting to Save your Version Settings'),1)));
+	    }
+	    &mark_hash_old();
+        }
+        &changewarning($r,'');
     }
-    &changewarning($r,'');
     if ($env{'form.timerange'} eq 'all') {
 # show all documents
 	$header=&mt('All content in '.$crstype);
@@ -4581,6 +4913,11 @@ sub checkversions {
 	       'save' => 'Save changes',
                'vers' => 'Version choice(s) for specific resources', 
 	       'act' => 'Actions');
+    my ($disabled,$readonly);
+    unless ($canedit) {
+        $disabled = 'disabled="disabled"';
+        $readonly = 1;
+    }
     $r->print(<<ENDHEADERS);
 <h4 class="LC_info">$header</h4>
 <form action="/adm/coursedocs" method="post">
@@ -4601,8 +4938,8 @@ sub checkversions {
 <div class="LC_left_float">
 <fieldset>
 <legend>$lt{'act'}</legend>
-$lt{'sm'}: <input type="submit" name="setmostrecent" value="Go" /><br />
-$lt{'sc'}: <input type="submit" name="setcurrent" value="Go" />
+$lt{'sm'}: <input type="submit" name="setmostrecent" value="Go" $disabled /><br />
+$lt{'sc'}: <input type="submit" name="setcurrent" value="Go" $disabled />
 </fieldset>
 </div>
 <br clear="all" />
@@ -4631,7 +4968,7 @@ ENDHEADERS
         return;
     }
     $r->print(
-       '<input type="submit" name="setversions" value="'.$lt{'save'}.'" />'.
+       '<input type="submit" name="setversions" value="'.$lt{'save'}.'"'.$disabled.' />'.
         &Apache::loncommon::start_data_table().
         &Apache::loncommon::start_data_table_header_row().
         '<th>'.&mt('Resources').'</th>'.
@@ -4676,7 +5013,7 @@ ENDHEADERS
                       {'select_form_order' => ['',1..$currentversion,'mostrecent'],
                       '' => '',
                       'mostrecent' => &mt('most recent'),
-                      map {$_,$_} (1..$currentversion)}));
+                      map {$_,$_} (1..$currentversion)},'',$readonly));
             my $lastold=1;
             for (my $prevvers=1;$prevvers<$currentversion;$prevvers++) {
                 my $url=$root.'.'.$prevvers.'.'.$extension;
@@ -4710,7 +5047,7 @@ ENDHEADERS
     }
     $r->print(
         &Apache::loncommon::end_data_table().
-        '<input type="submit" name="setversions" value="'.$lt{'save'}.'" />'.
+        '<input type="submit" name="setversions" value="'.$lt{'save'}.'"'.$disabled.' />'.
         '</form>'
     );
 
@@ -4860,12 +5197,12 @@ sub handler {
 #
 # --------------------------------------------- Initialize help topics for this
     foreach my $topic ('Adding_Course_Doc','Main_Course_Documents',
-	               'Adding_External_Resource','Navigate_Content',
-	               'Adding_Folders','Docs_Overview', 'Load_Map',
-	               'Supplemental','Score_Upload_Form','Adding_Pages',
-	               'Importing_LON-CAPA_Resource','Importing_IMS_Course',
-                       'Uploading_From_Harddrive','Course_Roster','Web_Page',
-                       'Dropbox','Simple_Problem') {
+	               'Adding_External_Resource','Adding_External_Tool',
+                       'Navigate_Content','Adding_Folders','Docs_Overview',
+	               'Load_Map','Supplemental','Score_Upload_Form',
+	               'Adding_Pages','Importing_LON-CAPA_Resource',
+	               'Importing_IMS_Course','Uploading_From_Harddrive',
+                       'Course_Roster','Web_Page','Dropbox','Simple_Problem') {
 	$help{$topic}=&Apache::loncommon::help_open_topic('Docs_'.$topic);
     }
     # Composite help files
@@ -4880,17 +5217,42 @@ sub handler {
     $help{'Group Portfolio'} = &Apache::loncommon::help_open_topic('Docs_About_Group_Files');
     $help{'Caching'} = &Apache::loncommon::help_open_topic('Caching');
  
-    my ($allowed,$noendpage);
+    my ($allowed,$canedit,$canview,$noendpage,$disabled);
 # URI is /adm/supplemental when viewing supplemental docs in non-edit mode.
     unless ($r->uri eq '/adm/supplemental') {
         # does this user have privileges to modify content.  
-        $allowed = &Apache::lonnet::allowed('mdc',$env{'request.course.id'});
+        if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
+            $allowed = 1;
+            $canedit = 1;
+            $canview = 1;
+        } elsif (&Apache::lonnet::allowed('cev',$env{'request.course.id'})) {
+            $allowed = 1;
+            $canview = 1;
+        }
+    }
+    unless ($canedit) {
+        $disabled = ' disabled="disabled"';
     }
-
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['inhibitmenu']);
+    if ($env{'form.inhibitmenu'}) {
+        unless ($env{'form.inhibitmenu'} eq 'yes') {
+            delete($env{'form.inhibitmenu'});
+        }
+    }
+
   if ($allowed && $env{'form.verify'}) {
       &init_breadcrumbs('verify','Verify Content','Docs_Verify_Content');
-      &verifycontent($r);
+      if (!$canedit) {
+          &verifycontent($r);
+      } elsif (($env{'form.checkstale'} ne '') && ($env{'form.checkstale'} =~ /^\d$/)) {
+          &Apache::lonhtmlcommon::add_breadcrumb({href=>"/adm/coursedocs?tools=1&verify=1&checkstale=$env{'form.checkstale'}",
+                                                  text=>'Results',
+                                                  faq=>273,
+                                                  bug=>'Instructor Interface'});
+          &verifycontent($r,$env{'form.checkstale'});
+      } else {
+          &contentverifyform($r);
+      }
   } elsif ($allowed && $env{'form.listsymbs'}) {
       &init_breadcrumbs('listsymbs','List Content IDs');
       &list_symbs($r);
@@ -4900,18 +5262,18 @@ sub handler {
       if ($folder eq '') {
           $folder='default';
       }
-      &docs_change_log($r,$coursenum,$coursedom,$folder,$allowed,$crstype,$iconpath);
+      &docs_change_log($r,$coursenum,$coursedom,$folder,$allowed,$crstype,$iconpath,$canedit);
   } elsif ($allowed && $env{'form.versions'}) {
       &init_breadcrumbs('versions','Check/Set Resource Versions','Docs_Check_Resource_Versions');
-      &checkversions($r);
-  } elsif ($allowed && $env{'form.dumpcourse'}) {
+      &checkversions($r,$canedit);
+  } elsif ($canedit && $env{'form.dumpcourse'}) {
       &init_breadcrumbs('dumpcourse','Copy '.&Apache::loncommon::course_type().' Content to Authoring Space');
       &dumpcourse($r);
-  } elsif ($allowed && $env{'form.exportcourse'}) {
+  } elsif ($canedit && $env{'form.exportcourse'}) {
       &init_breadcrumbs('exportcourse','IMS Export');
       &Apache::imsexport::exportcourse($r);
   } else {
-      if ($allowed && $env{'form.authorrole'}) {
+      if ($canedit && $env{'form.authorrole'}) {
           $noendpage = 1;
           my ($redirect,$error) = &makenewproblem($r,$coursedom,$coursenum);
           if ($redirect) {
@@ -4970,6 +5332,26 @@ sub handler {
                                              'forcesupplement','forcestandard',
                                              'tools','symb','command','supppath']);
 
+    foreach my $item ('forcesupplement','forcestandard','tools') {
+        next if ($env{'form.'.$item} eq '');
+        unless ($env{'form.'.$item} eq '1') {
+            delete($env{'form.'.$item});
+        }
+    }
+
+    if ($env{'form.command'}) {
+        unless ($env{'form.command'} =~ /^(direct|directnav|editdocs|editsupp|contents|home)$/) {
+            delete($env{'form.command'});
+        }
+    }
+
+    if ($env{'form.symb'}) {
+        my ($mapurl,$id,$resurl) = &Apache::lonnet::decode_symb($env{'form.symb'});
+        unless (($id =~ /^\d+$/) && (&Apache::lonnet::is_on_map($resurl))) { 
+            delete($env{'form.symb'});
+        }
+    }
+
 # standard=1: this is a "new-style" course with an uploaded map as top level
 # standard=2: this is a "old-style" course, and there is nothing we can do
 
@@ -4992,6 +5374,38 @@ sub handler {
     my $toolsflag=0;
     if ($env{'form.tools'}) { $toolsflag=1; }
 
+    if ($env{'form.folderpath'} ne '') {
+        my @items = split(/\&/,$env{'form.folderpath'});
+        my $badpath;
+        for (my $i=0; $i<@items; $i++) {
+            my $odd = $i%2;
+            if (($odd) && (!$supplementalflag) && ($items[$i] !~ /^[^:]*:(|\d+):(|1):(|1):(|1):(|1)$/)) {
+                $badpath = 1;
+            } elsif ((!$odd) && ($items[$i] !~ /^(default|supplemental)(|_\d+)$/)) {
+                $badpath = 1;
+            }
+            last if ($badpath);
+        }
+        if ($badpath) {
+            delete($env{'form.folderpath'});
+        }
+    }
+
+    if ($env{'form.supppath'} ne '') {
+        my @items = split(/\&/,$env{'form.supppath'});
+        my $badpath;
+        for (my $i=0; $i<@items; $i++) {
+            my $odd = $i%2;
+            if ((!$odd) && ($items[$i] !~ /^supplemental(|_\d+)$/)) {
+                $badpath = 1; 
+            }
+            last if ($badpath);
+        }
+        if ($badpath) {
+            delete($env{'form.supppath'});
+        }
+    }
+
     my $script='';
     my $showdoc=0;
     my $addentries = {};
@@ -4999,13 +5413,15 @@ sub handler {
     my $containertag;
     my $pathitem;
     my %ltitools;
+    my $hiddentop;
+    my $navmap;
+    my $filterFunc = sub { my $res = shift; return (!$res->randomout() && !$res->is_map()) };
 
 # Do we directly jump somewhere?
-
    if (($env{'form.command'} eq 'direct') || ($env{'form.command'} eq 'directnav')) {
        if ($env{'form.symb'} ne '') {
            $env{'form.folderpath'}=
-               &Apache::loncommon::symb_to_docspath($env{'form.symb'});
+               &Apache::loncommon::symb_to_docspath($env{'form.symb'},\$navmap);
            &Apache::lonnet::appenv({'docs.exit.'.$env{'request.course.id'} =>
                $env{'form.command'}.'_'.$env{'form.symb'}});
        } elsif ($env{'form.supppath'} ne '') {
@@ -5014,12 +5430,10 @@ sub handler {
                $env{'form.command'}.'_'.$env{'form.supppath'}});
        }
    } elsif ($env{'form.command'} eq 'editdocs') {
-       $env{'form.folderpath'} = 'default&'.
-                                 &escape(&mt('Main Content').':::::');
+       $env{'form.folderpath'} = &default_folderpath($coursenum,$coursedom,\$navmap);
        &Apache::lonnet::appenv({'docs.exit.'.$env{'request.course.id'} => $env{'form.command'}});
    } elsif ($env{'form.command'} eq 'editsupp') {
-       $env{'form.folderpath'} = 'supplemental&'.
-                                  &escape('Supplemental Content');
+       $env{'form.folderpath'} = &supplemental_base();
        &Apache::lonnet::appenv({'docs.exit.'.$env{'request.course.id'} => '/adm/supplemental'});
    } elsif ($env{'form.command'} eq 'contents') {
        &Apache::lonnet::appenv({'docs.exit.'.$env{'request.course.id'} => '/adm/navmaps'});
@@ -5038,7 +5452,14 @@ sub handler {
     if ((!$env{'form.folderpath'}) && $allowed) {
         &Apache::loncommon::restore_course_settings($stored_folderpath,
                                           {'folderpath' => 'scalar'});
-        unless (&unescape($env{'form.folderpath'}) =~ m{^(default|supplemental)&}) {
+
+        if (&unescape($env{'form.folderpath'}) =~ m{^(default|supplemental)&}) {
+            if ($supplementalflag) {
+                undef($env{'form.folderpath'}) if ($1 eq 'default'); 
+            } else {
+                undef($env{'form.folderpath'}) if ($1 eq 'supplemental');
+            }
+        } else {
             undef($env{'form.folderpath'});
         }
     }
@@ -5055,19 +5476,48 @@ sub handler {
                                   .'&'.
                                   $env{'form.folderpath'};
     }
+# If allowed and user's role is not advanced check folderpath is not hidden  
+    if (($allowed) && (!$env{'request.role.adv'}) && 
+        ($env{'form.folderpath'} ne '') && (!$supplementalflag)) {
+        my $folderurl;
+        my @pathitems = split(/\&/,$env{'form.folderpath'});
+        my $folder = $pathitems[-2];
+        if ($folder eq '') {
+            undef($env{'form.folderpath'});
+        } else {
+            $folderurl = "uploaded/$coursedom/$coursenum/$folder";
+            if ((split(/\:/,$pathitems[-1]))[4]) {
+                $folderurl .= '.page';
+            } else {
+                $folderurl .= '.sequence';
+            }
+            unless (ref($navmap)) {
+                $navmap = Apache::lonnavmaps::navmap->new();
+            }
+            if (ref($navmap)) {
+                if (lc($navmap->get_mapparam(undef,$folderurl,"0.hiddenresource")) eq 'yes') {
+                    my @resources = $navmap->retrieveResources($folderurl,$filterFunc,1,1);
+                    unless (@resources) {
+                        undef($env{'form.folderpath'});
+                    }
+                }
+            }
+        }
+    }
+
+
 # If after all of this, we still don't have any paths, make them
     unless ($env{'form.folderpath'}) {
        if ($supplementalflag) {
           $env{'form.folderpath'}=&supplemental_base();
-       } else {
-          $env{'form.folderpath'}='default&'.&escape(&mt('Main Content').
-                                  ':::::');
+       } elsif ($allowed) {
+          ($env{'form.folderpath'},$hiddentop) = &default_folderpath($coursenum,$coursedom,\$navmap);
        }
     }
 
 # Store this
     unless ($toolsflag) {
-        if ($allowed) {
+        if (($allowed) && ($env{'form.folderpath'} ne '')) {
             &Apache::loncommon::store_course_settings($stored_folderpath,
                                                       {'folderpath' => 'scalar'});
         }
@@ -5085,8 +5535,12 @@ sub handler {
         } else {
             if ($env{'form.folder'} eq '' ||
                 $env{'form.folder'} eq 'supplemental') {
-                $folderpath='default&'.
-                            &escape(&mt('Main Content').':::::');
+                if ($env{'form.folder'} eq 'supplemental') {
+                    $folderpath=&supplemental_base();
+                } elsif (!$hiddentop) {
+                    $folderpath='default&'.
+                                 &escape(&mt('Main Content').':::::');
+                }
             }
         }
         $containertag = '<input type="hidden" name="folderpath" value="" />';
@@ -5097,7 +5551,7 @@ sub handler {
         if ($showdoc) { # got called in sequence from course
 	    $allowed=0; 
         } else {
-            if ($allowed) {
+            if ($canedit) {
                 &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['cmd']);
                 $script=&Apache::lonratedt::editscript('simple');
             }
@@ -5138,8 +5592,9 @@ sub handler {
             my $tabidstr = join("','",@tabids);
             %ltitools = &Apache::lonnet::get_domain_ltitools($coursedom);
             my $posslti = keys(%ltitools);
+            my $hostname = $r->hostname();
 	    $script .= &editing_js($udom,$uname,$supplementalflag,$coursedom,$coursenum,$posslti,
-                                   $londocroot).
+                                   $londocroot,$canedit,$hostname,\$navmap).
                        &history_tab_js().
                        &inject_data_js().
                        &Apache::lonhtmlcommon::resize_scrollbox_js('docs',$tabidstr,$tid).
@@ -5170,34 +5625,52 @@ sub handler {
         $r->print(&Apache::loncommon::start_page("$crstype documents",undef,
                                                 {'force_register' => $showdoc,}));
     } elsif ($toolsflag) {
+        my ($breadtext,$breadtitle);
+        $breadtext = "$crstype Editor";
+        if ($canedit) {
+            $breadtitle = 'Editing '.$crstype.' Contents';
+        } else {
+            $breadtext .= ' (View-only mode)';
+            $breadtitle = 'Viewing '.$crstype.' Contents';
+        }
         &Apache::lonhtmlcommon::add_breadcrumb({
-            href=>"/adm/coursedocs",text=>"$crstype Contents"});
+            href=>"/adm/coursedocs",text=>$breadtext});
         $r->print(&Apache::loncommon::start_page("$crstype Contents", $script)
                  .&Apache::loncommon::help_open_menu('','',273,'RAT')
                  .&Apache::lonhtmlcommon::breadcrumbs(
-                     'Editing Course Contents')
+                     $breadtitle)
                  );
     } elsif ($r->uri eq '/adm/supplemental') {
         my $brcrum = &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype);
         $r->print(&Apache::loncommon::start_page("Supplemental $crstype Content",undef,
                                                 {'bread_crumbs' => $brcrum,}));
     } else {
+        my ($breadtext,$breadtitle,$helpitem);
+        $breadtext = "$crstype Editor";
+        if ($canedit) {
+            $breadtitle = 'Editing '.$crstype.' Contents';
+            $helpitem = 'Docs_Adding_Course_Doc';
+        } else {
+            $breadtext .= ' (View-only mode)';
+            $breadtitle = 'Viewing '.$crstype.' Contents';
+            $helpitem = 'Docs_Viewing_Course_Doc';
+        }
         &Apache::lonhtmlcommon::add_breadcrumb({
-            href=>"/adm/coursedocs",text=>"$crstype Contents"});
+            href=>"/adm/coursedocs",text=>$breadtext});
         $r->print(&Apache::loncommon::start_page("$crstype Contents", $script,
                                                  {'add_entries'    => $addentries}
                                                 )
                  .&Apache::loncommon::help_open_menu('','',273,'RAT')
                  .&Apache::lonhtmlcommon::breadcrumbs(
-                     'Editing '.$crstype.' Contents',
-                     'Docs_Adding_Course_Doc')
+                     $breadtitle,
+                     $helpitem)
         );
     }
 
   my %allfiles = ();
   my %codebase = ();
   my ($upload_result,$upload_output,$uploadphase);
-  if ($allowed) {
+  if ($canedit) {
       if (($env{'form.uploaddoc.filename'}) &&
 	  ($env{'form.cmd'}=~/^upload_(\w+)/)) {
           my $context = $1; 
@@ -5205,6 +5678,7 @@ sub handler {
 	  undef($hadchanges);
           $uploadphase = &process_file_upload(\$upload_output,$coursenum,$coursedom,
                                               \%allfiles,\%codebase,$context,$crstype);
+          undef($navmap);
 	  if ($hadchanges) {
 	      &mark_hash_old();
 	  }
@@ -5220,7 +5694,7 @@ sub handler {
           my ($destination,$dir_root) = &embedded_destination();
           my $url_root = '/uploaded/'.$docudom.'/'.$docuname;
           my $actionurl = '/adm/coursedocs';
-          my ($result,$flag) = 
+          my ($result,$flag) =
               &Apache::loncommon::upload_embedded('coursedoc',$destination,
                   $docuname,$docudom,$dir_root,$url_root,undef,undef,undef,$state,
                   $actionurl);
@@ -5231,11 +5705,11 @@ sub handler {
           my $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
           my $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
           my ($destination,$dir_root) = &embedded_destination();
-          my $result = 
+          my $result =
               &Apache::loncommon::modify_html_refs('coursedoc',$destination,
                                                    $docuname,$docudom,undef,
                                                    $dir_root);
-          $r->print($result.&return_to_editor());   
+          $r->print($result.&return_to_editor());
       } elsif ($env{'form.phase'} eq 'decompress_uploaded') {
           $uploadphase = 'decompress_phase_one';
           $r->print(&decompression_phase_one().
@@ -5249,7 +5723,7 @@ sub handler {
 
   if ($allowed && $toolsflag) {
       $r->print(&startContentScreen('tools'));
-      $r->print(&generate_admin_menu($crstype));
+      $r->print(&generate_admin_menu($crstype,$canedit));
       $r->print(&endContentScreen());
   } elsif ((!$showdoc) && (!$uploadphase)) {
 # -----------------------------------------------------------------------------
@@ -5261,7 +5735,7 @@ sub handler {
                 'impo' => 'Import',
 		'lnks' => 'Import from Stored Links',
                 'impm' => 'Import from Assembled Map',
-                'imcr' => 'Import from Course Resources',   
+                'imcr' => 'Import from Course Resources',
                 'extr' => 'External Resource',
                 'extt' => 'External Tool',
                 'selm' => 'Select Map',
@@ -5272,7 +5746,7 @@ sub handler {
                 'navc' => 'Table of Contents',
                 'sipa' => 'Simple Course Page',
                 'sipr' => 'Simple Problem',
-                'webp' => 'Blank Web Page (editable)', 
+                'webp' => 'Blank Web Page (editable)',
                 'stpr' => 'Standard Problem',
                 'news' => 'New sub-directory',
                 'crpr' => 'Create Problem',
@@ -5304,6 +5778,7 @@ sub handler {
                 'webctce4' => 'WebCT 4 Campus Edition',
                 'yes'      => 'Yes',
                 'no'       => 'No',
+                'er' => 'Editing rights unavailable for your current role.',
         );
 # -----------------------------------------------------------------------------
 
@@ -5333,7 +5808,7 @@ sub handler {
     if ($disk_quota == 0) {
         $percent = 100.0;
     } else {
-        $percent = 100*($current_disk_usage/$disk_quota);
+        $percent = 100*($usage/$disk_quota);
     }
     $usage = sprintf("%.2f",$usage);
     $quota = sprintf("%.2f",$quota);
@@ -5344,7 +5819,7 @@ sub handler {
 	my $fileupload=(<<FIUP);
         $quotainfo
 	$lt{'file'}:<br />
-	<input type="file" name="uploaddoc" class="flUpload" size="40" />
+	<input type="file" name="uploaddoc" class="flUpload" size="40" $disabled />
         <input type="hidden" id="free_space" value="$free_space" />
 FIUP
 
@@ -5353,7 +5828,7 @@ FIUP
 	<input type="checkbox" name="parserflag" />
 	</label> -->
 	<label>
-	<input type="checkbox" name="parserflag" checked="checked" /> $lt{'parse'}
+	<input type="checkbox" name="parserflag" checked="checked" $disabled /> $lt{'parse'}
 	</label>
 CHBO
         my $imsfolder = $env{'form.folder'};
@@ -5370,7 +5845,7 @@ CHBO
         <br />
         <p>
         $lt{'cms'}:&nbsp; 
-        <select name="source">
+        <select name="source" $disabled>
         <option value="-1" selected="selected">$lt{'se'}</option>
         <option value="bb5">$lt{'bb5'}</option>
         <option value="bb6">$lt{'bb6'}</option>
@@ -5380,7 +5855,7 @@ CHBO
         <input type="hidden" name="folder" value="$imsfolder" />
         </p>
         <input type="hidden" name="phase" value="one" />
-        <input type="button" value="$lt{'imsl'}" onclick="makeims(this.form);" />
+        <input type="button" value="$lt{'imsl'}" onclick="makeims(this.form);" $disabled />
         </fieldset>
         </form>
 IMSFORM
@@ -5395,7 +5870,7 @@ IMSFORM
     $fileupload
 	<br />
 	$lt{'title'}:<br />
-	<input type="text" size="60" name="comment" />
+	<input type="text" size="60" name="comment" $disabled />
 	$pathitem
 	<input type="hidden" name="cmd" value="upload_default" />
 	<br />
@@ -5403,11 +5878,17 @@ IMSFORM
 	$checkbox
 	</span>
         <br clear="all" />
-        <input type="submit" value="$lt{'upld'}" />
+        <input type="submit" value="$lt{'upld'}" $disabled />
         </fieldset>
         </form>
 FUFORM
 
+        my $mapimportjs;
+        if ($canedit) {
+            $mapimportjs = "javascript:openbrowser('mapimportform','importmap','sequence,page','');"; 
+        } else {
+            $mapimportjs = "javascript:alert('".&js_escape($lt{'er'})."');";
+        }
 	my $importpubform=(<<SEDFFORM);
         <a class="LC_menubuttons_link" href="javascript:toggleMap('map');">
         $lt{'impm'}</a>$help{'Load_Map'}
@@ -5418,9 +5899,9 @@ FUFORM
         $lt{'copm'}<br />
         <span class="LC_nobreak">
         <input type="text" name="importmap" size="40" value="" 
-        onfocus="this.blur();openbrowser('mapimportform','importmap','sequence,page','');" />
-        &nbsp;<a href="javascript:openbrowser('mapimportform','importmap','sequence,page','');">$lt{'selm'}</a></span><br />
-        <input type="submit" name="loadmap" value="$lt{'load'}" />
+        onfocus="this.blur();$mapimportjs" $disabled />
+        &nbsp;<a href="$mapimportjs">$lt{'selm'}</a></span><br />
+        <input type="submit" name="loadmap" value="$lt{'load'}" $disabled />
         </fieldset>
         </form>
 
@@ -5440,19 +5921,26 @@ SEDFFORM
         <input type="hidden" name="active" value="bb" />
         $pickfile
         <p>
-        $lt{'title'}: <input type="textbox" name="crsrestitle" value="" />
+        $lt{'title'}: <input type="textbox" name="crsrestitle" value="" $disabled />
         </p>
         <input type="hidden" name="importdetail" value="" />
-        <input type="submit" name="crsres" value="$lt{'impo'}" />
+        <input type="submit" name="crsres" value="$lt{'impo'}" $disabled />
         </fieldset>
         </form>
 CRSFORM
         }
 
+        my $fromstoredjs;
+        if ($canedit) {
+            $fromstoredjs = 'open_StoredLinks_Import()'; 
+        } else {
+            $fromstoredjs = "alert('".&js_escape($lt{'er'})."')";
+        }
+
 	my @importpubforma = (
 	{ '<img class="LC_noBorder LC_middle" src="/res/adm/pages/src.png" alt="'.$lt{srch}.'"  onclick="javascript:groupsearch()" />' => $pathitem."<a class='LC_menubuttons_link' href='javascript:groupsearch()'>$lt{'srch'}</a>" },
 	{ '<img class="LC_noBorder LC_middle" src="/res/adm/pages/res.png" alt="'.$lt{impo}.'"  onclick="javascript:groupimport();"/>' => "<a class='LC_menubuttons_link' href='javascript:groupimport();'>$lt{'impo'}</a>$help{'Importing_LON-CAPA_Resource'}" },
-	{ '<img class="LC_noBorder LC_middle" src="/res/adm/pages/wishlist.png" alt="'.$lt{lnks}.'" onclick="javascript:open_StoredLinks_Import();" />' => "<a class='LC_menubuttons_link' href='javascript:open_StoredLinks_Import();'>$lt{'lnks'}</a>" },
+	{ '<img class="LC_noBorder LC_middle" src="/res/adm/pages/wishlist.png" alt="'.$lt{lnks}.'" onclick="javascript:'.$fromstoredjs.';" />' => '<a class="LC_menubuttons_link" href="javascript:'.$fromstoredjs.';">'.$lt{'lnks'}.'</a>' },
         { '<img class="LC_noBorder LC_middle" src="/res/adm/pages/sequence.png" alt="'.$lt{impm}.'" onclick="javascript:toggleMap(\'map\');" />' => $importpubform },
         );
         if ($pickfile) {
@@ -5461,20 +5949,23 @@ CRSFORM
 	$importpubform = &create_form_ul(&create_list_elements(@importpubforma));
         my $extresourcesform =
             &Apache::lonextresedit::extedit_form(0,0,undef,undef,$pathitem,
-                                                 $help{'Adding_External_Resource'});
+                                                 $help{'Adding_External_Resource'},
+                                                 undef,undef,undef,undef,undef,undef,$disabled);
         my $exttoolform =
             &Apache::lonextresedit::extedit_form(0,0,undef,undef,$pathitem,
                                                  $help{'Adding_External_Tool'},undef,
                                                  undef,'tool',$coursedom,$coursenum,
-                                                 \%ltitools);
+                                                 \%ltitools,$disabled);
     if ($allowed) {
         my $folder = $env{'form.folder'};
         if ($folder eq '') {
             $folder='default';
         }
-	my $output = &update_paste_buffer($coursenum,$coursedom,$folder);
-        if ($output) {
-            $r->print($output);
+        if ($canedit) {
+	    my $output = &update_paste_buffer($coursenum,$coursedom,$folder);
+            if ($output) {
+                $r->print($output);
+            }
         }
 	$r->print(<<HIDDENFORM);
 	<form name="renameform" method="post" action="/adm/coursedocs">
@@ -5484,6 +5975,11 @@ CRSFORM
    <input type="hidden" name="copyfolder" />
    $containertag
  </form>
+ <form name="aliasform" method="post" action="/adm/coursedocs">
+   <input type="hidden" name="alias" />
+   <input type="hidden" name="cmd" />
+   $containertag
+ </form>
 
 HIDDENFORM
         $r->print(&makesimpleeditform($pathitem)."\n".
@@ -5506,12 +6002,12 @@ HIDDENFORM
     }
 
 #
-
+    my $hostname = $r->hostname();
     my $savefolderpath;
 
     if ($allowed) {
        my $folder=$env{'form.folder'};
-       if ($folder eq '' || $supplementalflag) {
+       if ((($folder eq '') && (!$hiddentop)) || ($supplementalflag)) {
            $folder='default';
 	   $savefolderpath = $env{'form.folderpath'};
 	   $env{'form.folderpath'}='default&'.&escape(&mt('Main Content'));
@@ -5539,7 +6035,7 @@ HIDDENFORM
 	$pathitem
 	<input type="hidden" name="importdetail" 
 	value="$lt{'navc'}=/adm/navmaps" />
-	<a class="LC_menubuttons_link" href="javascript:document.newnav.submit()">$lt{'navc'}</a>
+	<a class="LC_menubuttons_link" href="javascript:makenew(document.newnav);">$lt{'navc'}</a>
 	$help{'Navigate_Content'}
 	</form>
 NNFORM
@@ -5600,7 +6096,7 @@ NBFORM
 	$pathitem
 	<input type="hidden" name="importdetail" 
 	value="$plainname=/adm/$udom/$uname/aboutme" />
-	<a class="LC_menubuttons_link" href="javascript:document.newaboutme.submit()">$lt{'mypi'}</a>
+	<a class="LC_menubuttons_link" href="javascript:makenew(document.newaboutme);">$lt{'mypi'}</a>
 	$help{'My Personal Information Page'}
 	</form>
 NAMFORM
@@ -5620,7 +6116,7 @@ NASOFORM
 	$pathitem
 	<input type="hidden" name="importdetail" 
 	value="$lt{'rost'}=/adm/viewclasslist" />
-	<a class="LC_menubuttons_link" href="javascript:document.newroster.submit()">$lt{'rost'}</a>
+	<a class="LC_menubuttons_link" href="javascript:makenew(document.newroster);">$lt{'rost'}</a>
 	$help{'Course_Roster'}
 	</form>
 NROSTFORM
@@ -5704,7 +6200,7 @@ NWEBFORM
                 $numauthor ++;
             }
         }
-        my ($pickdir,$showtitle);;
+        my ($pickdir,$showtitle);
         if ($numauthor) {
             my @order;
             my $defrole;
@@ -5824,30 +6320,30 @@ NWEBFORM
         <p>
         $pickdir
         <span class="LC_nobreak">$lt{'news'}?&nbsp;
-        <label><input type="radio" name="newsubdir" value="0" onclick="toggleNewsubdir(this.form);" checked="checked" />No</label>
+        <label><input type="radio" name="newsubdir" value="0" onclick="toggleNewsubdir(this.form);" checked="checked" $disabled />No</label>
         &nbsp;
-        <label><input type="radio" name="newsubdir" value="1" onclick="toggleNewsubdir(this.form);" />Yes</label>
+        <label><input type="radio" name="newsubdir" value="1" onclick="toggleNewsubdir(this.form);" $disabled />Yes</label>
         </span><span id="newsubdir"></span>
         <input type="hidden" name="newsubdirname" id="newsubdirname" value="" autocomplete="off" />
         </p>
         $lt{'fnam'}
-        <input type="text" size="20" name="newresourcename" autocomplete="off" />
+        <input type="text" size="20" name="newresourcename" autocomplete="off" $disabled />
         <p>
         <div id="newresource" style="display:$showtitle">
         $lt{'addp'}
-        <label><input type="radio" name="newresourceadd" value="0" checked="checked" onclick="toggleNewInCourse(this.form);" />
+        <label><input type="radio" name="newresourceadd" value="0" checked="checked" onclick="toggleNewInCourse(this.form);" $disabled />
         $lt{'no'}</label>&nbsp;&nbsp;
-        <label><input type="radio" name="newresourceadd" value="1" onclick="toggleNewInCourse(this.form);" />
+        <label><input type="radio" name="newresourceadd" value="1" onclick="toggleNewInCourse(this.form);" $disabled />
         $lt{'yes'}</label>
         <span id="newrestitle"></span>
-        <input type="hidden" size="20" name="newresourcetitle" id="newresourcetitle" autocomplete="off" />
+        <input type="hidden" size="20" name="newresourcetitle" id="newresourcetitle" autocomplete="off" $disabled />
         </div>
         </p>
         <p>
         $lt{'uste'}
-        <label><input type="radio" name="newresusetemp" value="0" checked="checked" onclick="toggleWithTemplate(this.form);" />
+        <label><input type="radio" name="newresusetemp" value="0" checked="checked" onclick="toggleWithTemplate(this.form);" $disabled />
         $lt{'no'}</label>&nbsp;&nbsp;
-        <label><input type="radio" name="newresusetemp" value="1" onclick="toggleWithTemplate(this.form);" />
+        <label><input type="radio" name="newresusetemp" value="1" onclick="toggleWithTemplate(this.form);" $disabled />
         $lt{'yes'}</label>
         <div id="newrestemplate" style="display:none">
         $templates
@@ -5856,7 +6352,7 @@ NWEBFORM
         </p>
         <span class="LC_nobreak">
         <input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
-        <input type="submit" name="newcrs" value="$lt{'crpr'}" />
+        <input type="submit" name="newcrs" value="$lt{'crpr'}" $disabled />
         </span>
         </fieldset>
         </form>
@@ -5900,7 +6396,7 @@ NFFORM
 	$pathitem
 	<input type="hidden" name="importdetail" 
 	value="$lt{'syll'}=/public/$coursedom/$coursenum/syllabus" />
-	<a class="LC_menubuttons_link" href="javascript:document.newsyl.submit()">$lt{'syll'}</a>
+	<a class="LC_menubuttons_link" href="javascript:makenew(document.newsyl);">$lt{'syll'}</a>
 	$help{'Syllabus'}
 
 	</form>
@@ -5912,14 +6408,14 @@ NSYLFORM
 	$pathitem
 	<input type="hidden" name="importdetail"
 	value="$lt{'grpo'}=/adm/$coursedom/$coursenum/aboutme" />
-	<a class="LC_menubuttons_link" href="javascript:document.newgroupfiles.submit()">$lt{'grpo'}</a>
+	<a class="LC_menubuttons_link" href="javascript:makenew(document.newgroupfiles);">$lt{'grpo'}</a>
 	$help{'Group Portfolio'}
 	</form>
 NGFFORM
 	@specialdocumentsforma=(
 	{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/page.png" alt="'.$lt{newp}.'"  onclick="javascript:makenewpage(document.newpage,\''.$pageseq.'\');" />'=>$newpageform},
-	{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/syllabus.png" alt="'.$lt{syll}.'" onclick="document.newsyl.submit()" />'=>$newsylform},
-	{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/navigation.png" alt="'.$lt{navc}.'" onclick="document.newnav.submit()" />'=>$newnavform},
+	{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/syllabus.png" alt="'.$lt{syll}.'" onclick="javascript:makenew(document.newsyl);" />'=>$newsylform},
+	{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/navigation.png" alt="'.$lt{navc}.'" onclick="javascript:makenew(document.newnav);" />'=>$newnavform},
         {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/simple.png" alt="'.$lt{sipa}.'" onclick="javascript:makesmppage();" />'=>$newsmppageform},
         {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/webpage.png" alt="'.$lt{webp}.'" onclick="javascript:makewebpage();" />'=>$newwebpageform},
         );
@@ -5931,7 +6427,7 @@ NGFFORM
         );
         if (keys(%ltitools)) {
             push(@importdoc,
-                {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/extres.png" alt="'.$lt{extt}.'" onclick="toggleUpload(\'tool\');" />'=>$exttoolform},
+                {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/exttool.png" alt="'.$lt{extt}.'" onclick="toggleUpload(\'tool\');" />'=>$exttoolform},
         );
         }
         unless ($container eq 'page') {
@@ -5956,8 +6452,8 @@ NGFFORM
        {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/bchat.png" alt="'.$lt{bull}.'" onclick="javascript:makebulboard();" />'=>$newbulform},
         {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/myaboutme.png" alt="'.$lt{mypi}.'" onclick="javascript:makebulboard();" />'=>$newaboutmeform},
         {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/aboutme.png" alt="'.$lt{abou}.'" onclick="javascript:makeabout();" />'=>$newaboutsomeoneform},
-        {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/clst.png" alt="'.$lt{rost}.'" onclick="document.newroster.submit()" />'=>$newrosterform},
-        {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/groupportfolio.png" alt="'.$lt{grpo}.'" onclick="document.newgroupfiles.submit()" />'=>$newgroupfileform},
+        {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/clst.png" alt="'.$lt{rost}.'" onclick="javascript:makenew(document.newroster);" />'=>$newrosterform},
+        {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/groupportfolio.png" alt="'.$lt{grpo}.'" onclick="javascript:makenew(document.newgroupfiles);" />'=>$newgroupfileform},
         );
         $communityform = &create_form_ul(&create_list_elements(@communityforma));
 
@@ -5975,13 +6471,17 @@ unless ($container eq 'page') {
  $hadchanges=0;
        unless (($supplementalflag || $toolsflag)) {
           my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,'',$crstype,
-                              $supplementalflag,\%orderhash,$iconpath,$pathitem,\%ltitools);
+                              $supplementalflag,\%orderhash,$iconpath,$pathitem,
+                              \%ltitools,$canedit,$hostname,\$navmap,$hiddentop);
+          undef($navmap);
           if ($error) {
              $r->print('<p><span class="LC_error">'.$error.'</span></p>');
           }
           if ($hadchanges) {
-             &mark_hash_old();
-          }
+              unless (&is_hash_old()) {
+                  &mark_hash_old();
+              }
+	  }
 
           &changewarning($r,'');
         }
@@ -6011,7 +6511,7 @@ unless ($container eq 'page') {
 	<form action="/adm/coursedocs" method="post" name="supuploaddocument" enctype="multipart/form-data">
         <fieldset id="uploadsuppdocform" style="display: none;">
         <legend>$lt{'upfi'}</legend>
-	<input type="hidden" name="active" value="ee" />	
+	<input type="hidden" name="active" value="ee" />
 	$fileupload
 	<br />
 	<br />
@@ -6040,13 +6540,15 @@ SNFFORM
 	
         my $supextform =
             &Apache::lonextresedit::extedit_form(1,0,undef,undef,$pathitem,
-                                                 $help{'Adding_External_Resource'});
+                                                 $help{'Adding_External_Resource'},
+                                                 undef,undef,undef,undef,undef,undef,
+                                                 $disabled);
 
         my $supexttoolform =
             &Apache::lonextresedit::extedit_form(1,0,undef,undef,$pathitem,
                                                  $help{'Adding_External_Tool'},
                                                  undef,undef,'tool',$coursedom,
-                                                 $coursenum,\%ltitools);
+                                                 $coursenum,\%ltitools,$disabled);
 
 	my $supnewsylform=(<<SNSFORM);
 	<form action="/adm/coursedocs" method="post" name="supnewsyl">
@@ -6054,7 +6556,7 @@ SNFFORM
         $pathitem
 	<input type="hidden" name="importdetail" 
 	value="Syllabus=/public/$coursedom/$coursenum/syllabus" />
-	<a class="LC_menubuttons_link" href="javascript:document.supnewsyl.submit()">$lt{'syll'}</a>
+	<a class="LC_menubuttons_link" href="javascript:makenew(document.supnewsyl);">$lt{'syll'}</a>
 	$help{'Syllabus'}
 	</form>
 SNSFORM
@@ -6065,7 +6567,7 @@ SNSFORM
         $pathitem
 	<input type="hidden" name="importdetail" 
 	value="$plainname=/adm/$udom/$uname/aboutme" />
-	<a class="LC_menubuttons_link" href="javascript:document.supnewaboutme.submit()">$lt{'mypi'}</a>
+	<a class="LC_menubuttons_link" href="javascript:makenew(document.supnewaboutme);">$lt{'mypi'}</a>
 	$help{'My Personal Information Page'}
 	</form>
 SNAMFORM
@@ -6092,9 +6594,9 @@ SWEBFORM
 
 
 my @specialdocs = (
-		{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/syllabus.png" alt="'.$lt{syll}.'" onclick="document.supnewsyl.submit()" />'
+		{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/syllabus.png" alt="'.$lt{syll}.'" onclick="javascript:makenew(document.supnewsyl);" />'
             =>$supnewsylform},
-		{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/myaboutme.png" alt="'.$lt{mypi}.'" onclick="document.supnewaboutme.submit()" />'
+		{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/myaboutme.png" alt="'.$lt{mypi}.'" onclick="javascript:makenew(document.supnewaboutme);" />'
             =>$supnewaboutmeform},
                 {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/webpage.png" alt="'.$lt{webp}.'" onclick="javascript:makewebpage('."'supp'".');" />'=>$supwebpageform},
 
@@ -6104,7 +6606,7 @@ my @supimportdoc = (
             =>$supextform});
         if (keys(%ltitools)) {
             push(@supimportdoc,
-                {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/extres.png" alt="'.$lt{extt}.'" onclick="javascript:toggleUpload(\'supptool\')" />'
+                {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/exttool.png" alt="'.$lt{extt}.'" onclick="javascript:toggleUpload(\'supptool\')" />'
             =>$supexttoolform});
         }
         push(@supimportdoc, 
@@ -6120,7 +6622,8 @@ my %suporderhash = (
                 );
         if ($supplementalflag) {
            my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,'',$crstype,
-                               $supplementalflag,\%suporderhash,$iconpath,$pathitem,\%ltitools);
+                               $supplementalflag,\%suporderhash,$iconpath,$pathitem,
+                               \%ltitools,$canedit,$hostname);
            if ($error) {
               $r->print('<p><span class="LC_error">'.$error.'</span></p>');
            } else {
@@ -6135,12 +6638,12 @@ my %suporderhash = (
                    }
                    &Apache::lonnet::get_numsuppfiles($coursenum,$coursedom,1);
                    undef($suppchanges);
-               }  
-           } 
+               }
+           }
         }
     } elsif ($supplementalflag) {
         my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,'',$crstype,
-                            $supplementalflag,'',$iconpath,$pathitem);
+                            $supplementalflag,'',$iconpath,$pathitem,'','',$hostname);
         if ($error) {
             $r->print('<p><span class="LC_error">'.$error.'</span></p>');
         }
@@ -6167,7 +6670,7 @@ my %suporderhash = (
                 &entryline(0,&mt("Click to download or use your browser's Save Link function"),$showdoc).'</table>');
   }
  }
- unless ($noendpage) { 
+ unless ($noendpage) {
      $r->print(&Apache::loncommon::end_page());
  }
  return OK;
@@ -6176,6 +6679,7 @@ my %suporderhash = (
 sub embedded_form_elems {
     my ($phase,$primaryurl,$newidx) = @_;
     my $folderpath = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
+    $newidx =~s /\D+//g;
     return <<STATE;
     <input type="hidden" name="folderpath" value="$folderpath" />
     <input type="hidden" name="cmd" value="upload_embedded" />
@@ -6196,7 +6700,11 @@ sub embedded_destination {
     } elsif ($folder =~ /^(default|supplemental)_(\d+)$/) {
         $destination .=  $2.'/';
     }
-    $destination .= $env{'form.newidx'};
+    my $newidx = $env{'form.newidx'};
+    $newidx =~s /\D+//g;
+    if ($newidx) {
+        $destination .= $newidx;
+    }
     my $dir_root = '/userfiles';
     return ($destination,$dir_root);
 }
@@ -6222,6 +6730,9 @@ sub decompression_info {
     }
     unshift(@hiddens,$pathitem);
     foreach my $item (@hiddens) {
+        if ($item eq 'newidx') {
+            next if ($env{'form.'.$item} =~ /\D/);
+        }
         if ($env{'form.'.$item}) {
             $hiddenelem .= '<input type="hidden" name="'.$item.'" value="'.
                            &HTML::Entities::encode($env{'form.'.$item},'<>&"').'" />'."\n";
@@ -6239,7 +6750,7 @@ sub decompression_phase_one {
         $error = &mt('Archive file "[_1]" not in the expected location.',$env{'form.archiveurl'});
     } else {
         my $file = $1;
-        $output = 
+        $output =
             &Apache::loncommon::process_decompression($docudom,$docuname,$file,
                                                       $destination,$dir_root,
                                                       $hiddenelem);
@@ -6327,7 +6838,7 @@ sub remove_archive {
 }
 
 sub generate_admin_menu {
-    my ($crstype) = @_;
+    my ($crstype,$canedit) = @_;
     my $lc_crstype = lc($crstype);
     my ($home,$other,%outhash)=&authorhosts();
     my %lt= ( # do not translate here
@@ -6385,7 +6896,9 @@ sub generate_admin_menu {
                     linktitle  => "List the unique identifier used for each resource instance in your $lc_crstype"
                 },
                 ]
-        },
+        });
+    if ($canedit) {
+        push(@menu,
         {   categorytitle=>'Export',
             items =>[
                 {   linktext   => $lt{'imse'},
@@ -6404,6 +6917,7 @@ sub generate_admin_menu {
                 },
                 ]
         });
+    }
     return '<form action="/adm/coursedocs" method="post" name="courseverify">'."\n".
            '<input type="hidden" id="dummy" />'."\n".
            &Apache::lonhtmlcommon::generate_menu(@menu)."\n".
@@ -6412,15 +6926,16 @@ sub generate_admin_menu {
 
 sub generate_edit_table {
     my ($tid,$orderhash_ref,$to_show,$iconpath,$jumpto,$readfile,
-        $need_save,$copyfolder) = @_;
+        $need_save,$copyfolder,$canedit) = @_;
     return unless(ref($orderhash_ref) eq 'HASH');
     my %orderhash = %{$orderhash_ref};
-    my $form;
-    my $activetab;
-    my $active;
+    my ($form, $activetab, $active, $disabled);
     if (($env{'form.active'} ne '') && ($env{'form.active'} ne '00')) {
         $activetab = $env{'form.active'};
     }
+    unless ($canedit) {
+        $disabled = ' disabled="disabled"';
+    }
     my $backicon = $iconpath.'clickhere.gif';
     my $backtext = &mt('Exit Editor');
     $form = '<div class="LC_Box" style="margin:0;">'.
@@ -6484,7 +6999,7 @@ sub generate_edit_table {
 <input type="hidden" name="multicopy" value="" />
 <input type="hidden" name="multichange" value="" />
 <input type="hidden" name="copyfolder" value="$copyfolder" />
-<input type="submit" name="savemultiples" value="$button" />
+<input type="submit" name="savemultiples" value="$button" $disabled />
 </form>
 </div>
 END
@@ -6510,7 +7025,8 @@ END
 }
 
 sub editing_js {
-    my ($udom,$uname,$supplementalflag,$coursedom,$coursenum,$posslti,$londocroot) = @_;
+    my ($udom,$uname,$supplementalflag,$coursedom,$coursenum,$posslti,
+        $londocroot,$canedit,$hostname,$navmapref) = @_;
     my %js_lt = &Apache::lonlocal::texthash(
                                           p_mnf => 'Name of New Folder',
                                           t_mnf => 'New Folder',
@@ -6541,6 +7057,8 @@ sub editing_js {
                                           p_ctr2b => '?',
                                           p_ctr3a => 'Cut those',
                                           p_ctr3b => 'items?',
+                                          setal   => 'Enter a (unique) alias',
+                                          delal   => 'Are you sure you want to eliminate the alias?',
                                           rpck    => 'Enter number to pick (e.g., 3)',
                                           imsfile => 'You must choose an IMS package for import',
                                           imscms  => 'You must select which Course Management System was the source of the IMS package',
@@ -6554,6 +7072,7 @@ sub editing_js {
                                           nofi    => 'No file selected',
                                           tinc    => 'Title in course',
                                           sunm    => 'Sub-directory name',
+                                          edri    => 'Editing rights unavailable for your current role.',
                                         );
     &js_escape(\%js_lt);
     my $crstype = &Apache::loncommon::course_type();
@@ -6562,11 +7081,10 @@ sub editing_js {
     if (&HTML::Entities::decode($env{'environment.internal.'.$env{'request.course.id'}.'.docs_folderpath.folderpath'}) =~ /\:1$/) {
         $main_container_page = 1;
     }
-    my $toplevelmain = 
-        &escape(&mt('Main Content').':::::');
+    my $backtourl;
+    my $toplevelmain = &escape(&default_folderpath($coursenum,$coursedom,$navmapref));
     my $toplevelsupp = &supplemental_base();
 
-    my $backtourl;
     if ($env{'docs.exit.'.$env{'request.course.id'}} =~ /^direct_(.+)$/) {
         my $caller = $1;
         if ($caller =~ /^supplemental/) {
@@ -6582,9 +7100,29 @@ sub editing_js {
                     if (($caller =~ m{^([^#]+)\Q#$anchor\E$})) {
                         $caller = $1.&escape('#').$anchor;
                     }
+                } else {
+                    $url = $res;
+                }
+                $backtourl = &HTML::Entities::encode(&Apache::lonnet::clutter($url),'<>&"');
+                if ($backtourl =~ m{^\Q/uploaded/$coursedom/$coursenum/\Edefault_\d+\.sequence$}) {
+                    $backtourl .= '?navmap=1';
+                } else {
+                    $backtourl .= '?symb='.
+                                  &HTML::Entities::encode($caller,'<>&"');
+                }
+                if ($backtourl =~ m{^\Q/public/$coursedom/$coursenum/syllabus\E}) {
+                    if (($ENV{'SERVER_PORT'} == 443) &&
+                        ($env{'course.'.$env{'request.course.id'}.'.externalsyllabus'} =~ m{^http://})) {
+                        if ($hostname ne '') {
+                            $backtourl = 'http://'.$hostname.$backtourl;
+                        }
+                        $backtourl .= (($backtourl =~ /\?/) ? '&amp;':'?').'usehttp=1';
+                    }
+                } elsif ($backtourl =~ m{^/adm/wrapper/ext/(?!https:)}) {
+                    if (($ENV{'SERVER_PORT'} == 443) && ($hostname ne '')) {
+                        $backtourl = 'http://'.$hostname.$backtourl;
+                    }
                 }
-                $backtourl = &HTML::Entities::encode(&Apache::lonnet::clutter($url),'<>&"').'?symb='.
-                             &HTML::Entities::encode($caller,'<>&"');
                 if ($anchor ne '') {
                     $backtourl .= '#'.&HTML::Entities::encode($anchor,'<>&"');
                 }
@@ -6614,8 +7152,10 @@ sub editing_js {
             $fieldsets .= ",'supptool'";
         }
     }
-
-    return <<ENDNEWSCRIPT;
+    
+    my $jsmakefunctions;
+    if ($canedit) {
+        $jsmakefunctions = <<ENDNEWSCRIPT;
 function makenewfolder(targetform,folderseq) {
     var foldername=prompt('$js_lt{"p_mnf"}','$js_lt{"t_mnf"}');
     if (foldername) {
@@ -6701,16 +7241,127 @@ function makeabout() {
 	   if ((comp[0]) && (comp[1])) {
 	       this.document.forms.newaboutsomeone.importdetail.value=
 		   '$js_lt{"p_mab2"}'+escape(user)+'=/adm/'+comp[1]+'/'+comp[0]+'/aboutme';
-       this.document.forms.newaboutsomeone.submit();
-   } else {
-       alert("$js_lt{'p_mab_alrt1'}");
-   }
-} else {
-   alert("$js_lt{'p_mab_alrt2'}");
+               this.document.forms.newaboutsomeone.submit();
+           } else {
+               alert("$js_lt{'p_mab_alrt1'}");
+           }
+       } else {
+           alert("$js_lt{'p_mab_alrt2'}");
+       }
+    }
+}
+
+function makenew(targetform) {
+    targetform.submit();
+}
+
+function changename(folderpath,index,oldtitle) {
+    var title=prompt('$js_lt{"p_chn"}',oldtitle);
+    if (title) {
+        this.document.forms.renameform.markcopy.value='';
+        this.document.forms.renameform.title.value=title;
+        this.document.forms.renameform.cmd.value='rename_'+index;
+        this.document.forms.renameform.folderpath.value=folderpath;
+        this.document.forms.renameform.submit();
+    }
+}
+
+function setalias(folderpath,index) {
+    var alias = prompt('$js_lt{"setal"}');
+    if ((alias != null) && (alias != '')) {
+        this.document.forms.aliasform.alias.value=alias;
+        this.document.forms.aliasform.cmd.value='setalias_'+index;
+        this.document.forms.aliasform.folderpath.value=folderpath;
+        this.document.forms.aliasform.submit();
+    }
 }
+
+function delalias(folderpath,index) {
+    if (confirm('$js_lt{"delal"}')) {
+        this.document.forms.aliasform.cmd.value='delalias_'+index;
+        this.document.forms.aliasform.folderpath.value=folderpath;
+        this.document.forms.aliasform.submit();
+    }
+}
+
+ENDNEWSCRIPT
+    } else {
+        $jsmakefunctions = <<ENDNEWSCRIPT;
+
+function makenewfolder() {
+    alert("$js_lt{'edri'}");
 }
+
+function makenewpage() {
+    alert("$js_lt{'edri'}");
 }
 
+function makeexamupload() {
+    alert("$js_lt{'edri'}");
+}
+
+function makesmppage() {
+    alert("$js_lt{'edri'}");
+}
+
+function makewebpage(type) {
+    alert("$js_lt{'edri'}");
+}
+
+function makesmpproblem() {
+    alert("$js_lt{'edri'}");
+}
+
+function makedropbox() {
+    alert("$js_lt{'edri'}");
+}
+
+function makebulboard() {
+    alert("$js_lt{'edri'}");
+}
+
+function makeabout() {
+    alert("$js_lt{'edri'}");
+}
+
+function changename() {
+    alert("$js_lt{'edri'}");
+}
+
+function setalias() {
+    alert("$js_lt{'edri'}");
+}
+
+function delalias() {
+    alert("$js_lt{'edri'}");
+}
+
+function makenew() {
+    alert("$js_lt{'edri'}");
+}
+
+function groupimport() {
+    alert("$js_lt{'edri'}");
+}
+
+function groupsearch() {
+    alert("$js_lt{'edri'}");
+}
+
+function groupopen(url,recover) {
+   var options="scrollbars=1,resizable=1,menubar=0";
+   idxflag=1;
+   idx=open("/adm/groupsort?inhibitmenu=yes&mode=simple&recover="+recover+"&readfile="+url,"idxout",options);
+   idx.focus();
+}
+
+ENDNEWSCRIPT
+
+    }
+    return <<ENDSCRIPT;
+
+$jsmakefunctions
+
 function toggleUpload(caller) {
     var blocks = Array($fieldsets);
     for (var i=0; i<blocks.length; i++) {
@@ -6948,17 +7599,6 @@ function makeims(imsform) {
     imsform.submit();
 }
 
-function changename(folderpath,index,oldtitle) {
-var title=prompt('$js_lt{"p_chn"}',oldtitle);
-if (title) {
-this.document.forms.renameform.markcopy.value='';
-this.document.forms.renameform.title.value=title;
-this.document.forms.renameform.cmd.value='rename_'+index;
-this.document.forms.renameform.folderpath.value=folderpath;
-this.document.forms.renameform.submit();
-}
-}
-
 function updatePick(targetform,index,caller) {
     var pickitem;
     var picknumitem;
@@ -7124,6 +7764,11 @@ function propagateState(form,param) {
 }
 
 function checkForSubmit(targetform,param,context,idx,folderpath,index,oldtitle,skip_confirm,container,folder,confirm_removal) {
+    var canedit = '$canedit';
+    if (canedit == '') {
+        alert("$js_lt{'edri'}");
+        return;
+    }
     var dosettings;
     var doaction;
     var control = document.togglemultsettings;
@@ -7700,7 +8345,7 @@ function validateNewRes(caller) {
     }
 }
 
-ENDNEWSCRIPT
+ENDSCRIPT
 }
 
 sub history_tab_js {
@@ -8185,7 +8830,9 @@ check on this
 
 Verify Content
 
-=item devalidateversioncache() & checkversions()
+=item devalidateversioncache() 
+
+=item checkversions()
 
 Check Versions