--- loncom/interface/londocs.pm	2015/03/11 01:59:25	1.484.2.58
+++ loncom/interface/londocs.pm	2024/12/22 03:12:53	1.713
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Documents
 #
-# $Id: londocs.pm,v 1.484.2.58 2015/03/11 01:59:25 raeburn Exp $
+# $Id: londocs.pm,v 1.713 2024/12/22 03:12:53 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -43,12 +43,18 @@ use Apache::lonnavdisplay();
 use Apache::lonextresedit();
 use Apache::lontemplate();
 use Apache::lonsimplepage();
+use Apache::lonhomework();
+use Apache::lonpublisher();
+use Apache::loncourserespicker();
 use HTML::Entities;
 use HTML::TokeParser;
+use HTML::LCParser;
 use GDBM_File;
 use File::MMagic;
+use File::Copy;
 use Apache::lonlocal;
 use Cwd;
+use UUID::Tiny ':std';
 use LONCAPA qw(:DEFAULT :match);
 
 my $iconpath;
@@ -85,7 +91,7 @@ sub storemap {
 
     if ($map =~ /^default/) {
         $hadchanges=1;
-    } else {
+    } elsif ($contentchg) {
         $suppchanges=1;
     }
     return ($errtext,0);
@@ -97,6 +103,7 @@ sub authorhosts {
     my %outhash=();
     my $home=0;
     my $other=0;
+    my @ids=&Apache::lonnet::current_machine_ids();
     foreach my $key (keys(%env)) {
 	if ($key=~/^user\.role\.(au|ca)\.(.+)$/) {
 	    my $role=$1;
@@ -113,7 +120,6 @@ sub authorhosts {
 	    }
 	    my $allowed=0;
 	    my $myhome=&Apache::lonnet::homeserver($ca,$cd);
-	    my @ids=&Apache::lonnet::current_machine_ids();
 	    foreach my $id (@ids) {
                 if ($id eq $myhome) {
                     $allowed=1;
@@ -139,7 +145,101 @@ 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 validate_supppath {
+    my ($coursenum,$coursedom) = @_;
+    my $backto;
+    if ($env{'form.supppath'} ne '') {
+        my @items = split(/\&/,$env{'form.supppath'});
+        my ($badpath,$got_supp,$supppath,%supphidden,%suppids);
+        for (my $i=0; $i<@items; $i++) {
+            my $odd = $i%2;
+            if ((!$odd) && ($items[$i] !~ /^supplemental(|_\d+)$/)) {
+                $badpath = 1;
+                last;
+            } elsif ($odd) {
+                my $suffix;
+                my $idx = $i-1;
+                if ($items[$i] =~ /^([^:]*)::(|1):::$/) {
+                    $backto .= '&'.$1;
+                } elsif ($items[$idx] eq 'supplemental') {
+                    $backto .= '&'.$items[$i];
+                } else {
+                    $backto .= '&'.$items[$i];
+                    my $is_hidden;
+                    unless ($got_supp) {
+                        my ($supplemental) = &Apache::loncommon::get_supplemental($coursenum,$coursedom);
+                        if (ref($supplemental) eq 'HASH') {
+                            if (ref($supplemental->{'hidden'}) eq 'HASH') {
+                                %supphidden = %{$supplemental->{'hidden'}};
+                            }
+                            if (ref($supplemental->{'ids'}) eq 'HASH') {
+                                %suppids = %{$supplemental->{'ids'}};
+                            }
+                        }
+                        $got_supp = 1;
+                    }
+                    if (ref($suppids{"/uploaded/$coursedom/$coursenum/$items[$idx].sequence"}) eq 'ARRAY') {
+                        my $mapid = $suppids{"/uploaded/$coursedom/$coursenum/$items[$idx].sequence"}->[0];
+                        if ($supphidden{$mapid}) {
+                            $is_hidden = 1;
+                        }
+                    }
+                    $suffix = '::'.$is_hidden.':::';
+                }
+                $supppath .= '&'.$items[$i].$suffix;
+            } else {
+                $supppath .= '&'.$items[$i];
+                $backto .= '&'.$items[$i];
+            }
+        }
+        if ($badpath) {
+            delete($env{'form.supppath'});
+        } else {
+            $supppath =~ s/^\&//;
+            $backto =~ s/^\&//;
+            $env{'form.supppath'} = $supppath;
+        }
+    }
+    return $backto;
+}
 
 sub dumpcourse {
     my ($r) = @_;
@@ -164,11 +264,12 @@ ENDJS
                          add_entries => {'onload' => "hide_searching();"},
                      };
     }
-    $r->print(&Apache::loncommon::start_page('Copy '.$crstype.' Content to Authoring Space',$js,$starthash)."\n".
-              &Apache::lonhtmlcommon::breadcrumbs('Copy '.$crstype.' Content to Authoring Space')."\n");
+    $r->print(&Apache::loncommon::start_page('Copy uploaded content to Authoring Space',$js,$starthash)."\n".
+              &Apache::lonhtmlcommon::breadcrumbs('Copy uploaded content to Authoring Space')."\n");
     $r->print(&startContentScreen('tools'));
     my ($home,$other,%outhash)=&authorhosts();
     unless ($home) {
+        $r->print('<p class="LC_info">'.&mt('No author or co-author roles on this server.').'</p>'); 
         $r->print(&endContentScreen());
         return '';
     }
@@ -177,7 +278,8 @@ ENDJS
     if (($env{'form.authorspace'}) && ($env{'form.authorfolder'}=~/\w/)) {
 # Do the dumping
 	unless ($outhash{'home_'.$env{'form.authorspace'}}) {
-            $r->print(&endContentScreen());
+            $r->print('<p class="LC_info">'.&mt('Selected Authoring Space is not on this server.').'</p>'.
+                      &endContentScreen());
             return '';
         }
 	my ($ca,$cd)=split(/\:/,$env{'form.authorspace'});
@@ -196,7 +298,7 @@ ENDJS
         } else {
             &Apache::loncourserespicker::enumerate_course_contents($navmap,\%maps,\%resources,\%titles,
                                                                    'dumpdocs',$cdom,$cnum);
-        }
+	}
         my @todump = &Apache::loncommon::get_env_multiple('form.archive');
         my (%tocopy,%replacehash,%lookup,%deps,%display,%result,%depresult,%simpleproblems,%simplepages,
             %newcontent,%has_simpleprobs);
@@ -207,7 +309,7 @@ ENDJS
                 if ($res =~ m{^uploaded/$cdom/$cnum/\E((?:docs|supplemental)/.+)$}) {
                     $tocopy{$1} = $name;
                     $display{$item} = $1;
-                    $lookup{$1} = $item;
+                    $lookup{$1} = $item; 
                 } elsif ($res eq 'lib/templates/simpleproblem.problem') {
                     $simpleproblems{$item} = {
                                                 symb => $resources{$item},
@@ -307,7 +409,7 @@ $contents{content}.'
 </div>';
                 }
                 if ($contents{webreferences}) {
-                    $content .= '
+                    $content .= ' 
 <div class="LC_Box">
 <h4 class="LC_hcell">'.&mt('Web References').'</h4>'.
 $contents{webreferences}.'
@@ -317,10 +419,10 @@ $contents{webreferences}.'
 </body>
 </html>
 ';
-                $newcontent{'/'.$simplepages{$item}{res}} = $content;
+                $newcontent{'/'.$simplepages{$item}{res}} = $content; 
             }
         }
-        foreach my $item (keys(%tocopy)) {
+	foreach my $item (keys(%tocopy)) {
             unless ($item=~/\.(sequence|page)$/) {
                 my $currurlpath = $prefix.$item;
                 my $currdirpath = &Apache::lonnet::filelocation('',$currurlpath);
@@ -351,39 +453,39 @@ $contents{webreferences}.'
                 if ($simpleproblems{$num}) {
                     $newfilename=$title.'/'.$simpleproblems{$num}{'name'};
                 } else {
-                    $newfilename=$title.'/'.$replacehash{$item};
+	            $newfilename=$title.'/'.$replacehash{$item};
                 }
-                $newfilename=~s/\.(\w+)$//;
-               my $ext=$1;
-                $newfilename=&clean($newfilename);
-                $newfilename.='.'.$ext;
-                my ($newrelpath) = ($newfilename =~ m{^\Q$title/\E(.+)$});
+	        $newfilename=~s/\.(\w+)$//;
+	        my $ext=$1;
+	        $newfilename=&clean($newfilename);
+	        $newfilename.='.'.$ext;
+                my ($newrelpath) = ($newfilename =~ m{^\Q$title/\E(.+)$}); 
                 if ($newrelpath ne $replacehash{$item}) {
                     $replacehash{$item} = $newrelpath;
                 }
-                my @dirs=split(/\//,$newfilename);
-                my $path=$r->dir_config('lonDocRoot')."/priv/$cd/$ca";
-                my $makepath=$path;
-                my $fail;
+	        my @dirs=split(/\//,$newfilename);
+	        my $path=$r->dir_config('lonDocRoot')."/priv/$cd/$ca";
+	        my $makepath=$path;
+	        my $fail;
                 my $origin;
-                for (my $i=0;$i<$#dirs;$i++) {
-                    $makepath.='/'.$dirs[$i];
-                    unless (-e $makepath) {
-                        unless(mkdir($makepath,0755)) {
+	        for (my $i=0;$i<$#dirs;$i++) {
+		    $makepath.='/'.$dirs[$i];
+		    unless (-e $makepath) {
+		        unless(mkdir($makepath,0755)) { 
                             $fail = &mt('Directory creation failed.');
                         }
-                    }
-                }
+		    }
+	        }
                 if ($i == 0) {
-                    $result = '<br /><tt>'.$item.'</tt> => <tt>'.$newfilename.'</tt>: ';
+	            $result = '<br /><tt>'.$item.'</tt> => <tt>'.$newfilename.'</tt>: ';
                 } else {
                     $depresult .= '<li><tt>'.$item.'</tt> => <tt>'.$newfilename.'</tt> '.
                                   '<span class="LC_fontsize_small" style="font-weight: bold;">'.
                                   &mt('(dependency)').'</span>: ';
                 }
                 if (-e $path.'/'.$newfilename) {
-                    $fail = &mt('Destination already exists -- not overwriting.');
-                } else {
+                    $fail = &mt('Destination already exists -- not overwriting.'); 
+	        } else {
                     if (my $fh=Apache::File->new('>'.$path.'/'.$newfilename)) {
                         if (($item =~ m{^/adm/$match_domain/$match_username/\d+/smppg}) ||
                             ($item =~ /^simpleproblem_/)) {
@@ -405,18 +507,18 @@ $contents{webreferences}.'
                                         while (my $token = $parser->get_token) {
                                             if ($token->[0] eq 'S') {
                                                 if (($token->[1] eq 'resource') &&
-                                                    ($token->[2]->{'src'} eq '/res/lib/templates/simpleproblem.problem') &&
+                                                    ($token->[2]->{'src'} eq '/res/lib/templates/simpleproblem.problem') && 
                                                     ($changes{$token->[2]->{'id'}})) {
                                                     my $id = $token->[2]->{'id'};
                                                     $updatedcontent .= '<'.$token->[1];
                                                     foreach my $attrib (@{$token->[3]}) {
-                                                       next unless ($attrib =~ /^(src|type|title|id)$/);
+                                                        next unless ($attrib =~ /^(src|type|title|id)$/);
                                                         if ($attrib eq 'src') {
-                                                            my ($file) = ($display{$changes{$id}} =~ /^\Qsimpleproblem_\E(.+)$/);
+                                                            my ($file) = ($display{$changes{$id}} =~ /^\Qsimpleproblem_\E(.+)$/); 
                                                             if ($file) {
                                                                 $updatedcontent .= ' '.$attrib.'="'.$file.'"';
                                                             } else {
-                                                                $updatedcontent .= ' '.$attrib.'="'.$token->[2]->{$attrib}.'"';
+                                                                $updatedcontent .= ' '.$attrib.'="'.$token->[2]->{$attrib}.'"'; 
                                                             }
                                                         } else {
                                                             $updatedcontent .= ' '.$attrib.'="'.$token->[2]->{$attrib}.'"';
@@ -431,36 +533,36 @@ $contents{webreferences}.'
                                              }
                                          }
                                          print $fh $updatedcontent;
-                                    } else {
-                                        print $fh &Apache::lonclonecourse::rewritefile(
+                                    } else {  
+		                        print $fh &Apache::lonclonecourse::rewritefile(
                      &Apache::lonclonecourse::readfile($env{'request.course.id'},$item),
-                                                      (%replacehash,$crs => '')
-                                                                                      );
+		                                      (%replacehash,$crs => '')
+							                              );
                                     }
                                 } else {
-                                    print $fh
+		                    print $fh
                                         &Apache::lonclonecourse::readfile($env{'request.course.id'},$item);
-                                }
+		                }
                             } else {
-                                $fail = &mt('Source does not exist.');
+                                $fail = &mt('Source does not exist.');  
                             }
                         }
                         $fh->close();
-                    } else {
-                        $fail = &mt('Could not write to destination.');
+	            } else {
+		        $fail = &mt('Could not write to destination.');
                     }
-                }
+	        }
                 my $text;
-                if ($fail) {
+	        if ($fail) {
                     $text = '<span class="LC_error">'.&mt('fail').('&nbsp;'x3).$fail.'</span>';
-                } else {
+	        } else {
                     $text = '<span class="LC_success">'.&mt('ok').'</span>';
                 }
                 if ($i == 0) {
                     $result .= $text;
                 } else {
                     $depresult .= $text.'</li>';
-                }
+	        }
             }
             $r->print($result);
             if ($depresult) {
@@ -473,67 +575,30 @@ $contents{webreferences}.'
         if (!ref($navmap)) {
             $r->print($errormsg);
         } else {
-            $r->print('<div id="searching">'.&mt('Searching ...').'</div>');
-            $r->rflush();
-            my ($preamble,$formname);
-            $formname = 'dumpdoc';
-            unless ($home==1) {
-                $preamble = '<div class="LC_left_float">'.
-                            '<fieldset><legend>'.
-                            &mt('Select the Authoring Space').
-                            '</legend><select name="authorspace">';
-            }
-            my @orderspaces = ();
-            foreach my $key (sort(keys(%outhash))) {
-                if ($key=~/^home_(.+)$/) {
-                    if ($1 eq $env{'user.name'}.':'.$env{'user.domain'}) {
-                        unshift(@orderspaces,$1);
-                    } else {
-                        push(@orderspaces,$1);
-                    }
-                }
-            }
-            if ($home>1) {
-                $preamble .= '<option value="" selected="selected">'.&mt('Select').'</option>';
-            }
-            foreach my $user (@orderspaces) {
-                if ($home==1) {
-                    $preamble .= '<input type="hidden" name="authorspace" value="'.$user.'" />';
-                } else {
-                    $preamble .= '<option value="'.$user.'">'.$user.' - '.
-                                 &Apache::loncommon::plainname(split(/\:/,$user)).'</option>';
-                }
-            }
-            unless ($home==1) {
-                $preamble .= '</select></fieldset></div>'."\n";
-            }
-            my $title=$origcrsdata{'description'};
-            $title=~s/[\/\s]+/\_/gs;
-            $title=&clean($title);
-            $preamble .= '<div class="LC_left_float">'.
-                         '<fieldset><legend>'.&mt('Folder in Authoring Space').'</legend>'.
-                         '<input type="text" size="50" name="authorfolder" value="'.
-                         $title.'" />'.
-                         '</fieldset></div><div style="padding:0;clear:both;margin:0;border:0"></div>'."\n";
-            my %uploadedfiles;
-            &tiehash();
-            foreach my $file (&Apache::lonclonecourse::crsdirlist($origcrsid,'userfiles')) {
-                my ($ext)=($file=~/\.(\w+)$/);
+	    my $title=$origcrsdata{'description'};
+	    $title=~s/[\/\s]+/\_/gs;
+	    $title=&clean($title);
+	    my $formname = 'dumpdoc';
+	    my $preamble = &authorspace_selector($r,$formname,$home,$title,%outhash);
+	    my %uploadedfiles;
+	    &tiehash();
+	    foreach my $file (&Apache::lonclonecourse::crsdirlist($origcrsid,'userfiles')) {
+	        my ($ext)=($file=~/\.(\w+)$/);
 # FIXME Check supplemental here
-                my $title=$hash{'title_'.$hash{
-                                'ids_/uploaded/'.$origcrsdata{'domain'}.'/'.$origcrsdata{'num'}.'/'.$file}};
-                if (!$title) {
-                    $title=$file;
-                } else {
-                    $title=~s|/|_|g;
-                }
-                $title=~s/\.(\w+)$//;
-                $title=&clean($title);
-                $title.='.'.$ext;
-#           $r->print("\n<td><input type='text' size='60' name='namefor_".$file."' value='".$title."' /></td>"
+	        my $title=$hash{'title_'.$hash{
+		                'ids_/uploaded/'.$origcrsdata{'domain'}.'/'.$origcrsdata{'num'}.'/'.$file}};
+	        if (!$title) {
+		    $title=$file;
+	        } else {
+		    $title=~s|/|_|g;
+	        }
+	        $title=~s/\.(\w+)$//;
+	        $title=&clean($title);
+	        $title.='.'.$ext;
+#	    $r->print("\n<td><input type='text' size='60' name='namefor_".$file."' value='".$title."' /></td>"
                 $uploadedfiles{$file} = $title;
-            }
-            &untiehash();
+	    }
+	    &untiehash();
             $r->print(&Apache::loncourserespicker::create_picker($navmap,'dumpdocs',$formname,$crstype,undef,
                                                                  undef,undef,$preamble,$home,\%uploadedfiles));
         }
@@ -541,6 +606,48 @@ $contents{webreferences}.'
     $r->print(&endContentScreen());
 }
 
+sub authorspace_selector {
+    my ($r,$formname,$home,$title,%outhash) = @_;
+    $r->print('<div id="searching">'.&mt('Searching ...').'</div>'."\n");
+    $r->rflush();
+    my $preamble;
+    unless ($home==1) {
+        $preamble = '<div class="LC_left_float">'.
+                    '<fieldset><legend>'.
+                    &mt('Select the Authoring Space').
+                    '</legend><select name="authorspace">';
+    }
+    my @orderspaces = ();
+    foreach my $key (sort(keys(%outhash))) {
+        if ($key=~/^home_(.+)$/) {
+            if ($1 eq $env{'user.name'}.':'.$env{'user.domain'}) {
+                unshift(@orderspaces,$1);
+            } else {
+                push(@orderspaces,$1);
+            }
+        }
+    }
+    if ($home>1) {
+        $preamble .= '<option value="" selected="selected">'.&mt('Select').'</option>';
+    }
+    foreach my $user (@orderspaces) {
+        if ($home==1) {
+            $preamble .= '<input type="hidden" name="authorspace" value="'.$user.'" />';
+        } else {
+            $preamble .= '<option value="'.$user.'">'.$user.' - '.
+                         &Apache::loncommon::plainname(split(/\:/,$user)).'</option>';
+        }
+    }
+    unless ($home==1) {
+        $preamble .= '</select></fieldset></div>'."\n";
+    }
+    $preamble .= '<div class="LC_left_float">'.
+                 '<fieldset><legend>'.&mt('Folder in Authoring Space').'</legend>'.
+                 '<input type="text" size="50" name="authorfolder" value="'.$title.'" />'."\n".
+                 '</fieldset></div><div style="padding:0;clear:both;margin:0;border:0"></div>'."\n";
+    return $preamble;
+}
+
 sub recurse_html {
     my ($mm,$prefix,$currdirpath,$currurlpath,$container,$item,$replacehash,$deps) = @_;
     return unless ((ref($replacehash) eq 'HASH') && (ref($deps) eq 'HASH'));
@@ -564,7 +671,7 @@ sub recurse_html {
                 } else {
                     $relfile = $dependency;
                     $depurl = $currurlpath;
-                    $depurl =~ s{[^/]+$}{}; 
+                    $depurl =~ s{[^/]+$}{};
                     $depurl .= $dependency;
                     ($newcontainer) = ($depurl =~ m{^\Q$prefix\E(.+)$});
                 }
@@ -573,7 +680,7 @@ sub recurse_html {
                 $newname =~ s{[^/]+$}{};
                 $replacehash->{$newcontainer} = $newname.$relfile;
                 $deps->{$item}{$newcontainer} = 1;
-                my ($newurlpath) = ($depurl =~ m{^(.*)/[^/]+$});
+                my ($newurlpath) = ($depurl =~ m{^(.*)/[^/]+$});  
                 my $depfile = &Apache::lonnet::filelocation('',$depurl);
                 my $type = $mm->checktype_filename($depfile);
                 if ($type eq 'text/html') {
@@ -585,8 +692,615 @@ sub recurse_html {
     return;
 }
 
+sub copycrsauthored {
+    my ($r,$coursenum,$coursedom,$coursehome,$readonly) = @_;
+    my ($starthash,$js);
+    unless (($env{'form.authorspace'}) && ($env{'form.authorfolder'}=~/\w/)) {
+        $js = <<"ENDJS";
+<script type="text/javascript">
+// <![CDATA[
+
+function hide_searching() {
+    if (document.getElementById('searching')) {
+        document.getElementById('searching').style.display = 'none';
+    }
+    return;
+}
+
+// ]]>
+</script>
+ENDJS
+        $starthash = {
+                         add_entries => {'onload' => "hide_searching();"},
+                     };
+    }
+    $r->print(&Apache::loncommon::start_page('Copy from Course Authoring to User Authoring',$js,$starthash)."\n".
+              &Apache::lonhtmlcommon::breadcrumbs('Copy from Course Authoring Space')."\n");
+    $r->print(&startContentScreen('tools'));
+    my ($home,$other,%outhash)=&authorhosts();
+    unless ($home) {
+        $r->print('<p class="LC_info">'.&mt('No author or co-author roles on this server.').'</p>');
+        $r->print(&endContentScreen());
+        return '';
+    }
+    my %origcrsdata=&Apache::lonnet::coursedescription($env{'request.course.id'});
+    my $exclude = &Apache::lonnet::priv_exclude();
+    my $srcurl = "/priv/$coursedom/$coursenum";
+    my $srctop = $r->dir_config('lonDocRoot').$srcurl;
+    if (($env{'form.authorspace'}) && ($env{'form.authorfolder'}=~/\w/)) {
+        $r->print('<h3>'.&mt('Copying Files and/or Sub-directories').'</h3>');
+        if ($readonly) {
+            $r->print('<p class="LC_info">'.
+                      &mt('You do not have permission to copy files and/or directories from Course Authoring Space.').
+                      '</p>'.
+                      &endContentScreen());
+            return '';
+        }
+        unless ($outhash{'home_'.$env{'form.authorspace'}}) {
+            $r->print('<p class="LC_info">'.&mt('Selected Authoring Space is not on this server.').'</p>'.
+                      &endContentScreen());
+            return '';
+        }
+        my ($ca,$cd)=split(/\:/,$env{'form.authorspace'});
+        my $desturl = "/priv/$cd/$ca";
+        my $desttop = $r->dir_config('lonDocRoot').$desturl;
+        my $subdir = &clean($env{'form.authorfolder'});
+        $subdir = &cleandir($subdir);
+        if ($subdir eq '') {
+            $r->print('<p class="LC_info">'.&mt('After removal of disallowed characters target sub-directory name was blank.').'</p>'.
+                      &endContentScreen());
+            return '';
+        } elsif ($subdir =~/^_+$/) {
+            $r->print('<p class="LC_info">'.&mt('After replacement of non-alphanumeric characters with _ in target sub-directory name, nothing but underscores was left.').'</p>'.
+                      &endContentScreen());
+            return '';
+        }
+        my $is_course_home;
+        my @ids=&Apache::lonnet::current_machine_ids();
+        if (($coursehome ne '') && (grep(/^\Q$coursehome\E$/,@ids))) {
+            $is_course_home = 1;
+        }
+        my (%tocopy,%dirs_to_make,%files_to_copy);
+        map { $tocopy{&unescape($_)} = 1; } &Apache::loncommon::get_env_multiple('form.copytouser');
+        if (keys(%tocopy)) {
+            my (%subdirs,%files);
+            &Apache::lonnet::recursedirs($home,1,undef,$exclude,0,0,$srcurl,'',\%subdirs,\%files);
+            foreach my $possible (sort(keys(%tocopy))) {
+                if ($possible =~ m{/$}) {
+                    my $possdir = $possible;
+                    $possdir =~ s{^/+|/+$}{}g;
+                    if (exists($subdirs{$possdir})) {
+                        $dirs_to_make{$possdir} = 1;
+                    } else {
+                        delete($tocopy{$possible});
+                    }
+                } else {
+                    my ($path,$fname) = ($possible =~ m{(.*/)([^/]+)$});
+                    my $found = 0;
+                    if ($path eq '/') {
+                        if (ref($files{$path}) eq 'HASH') {
+                            if (exists($files{$path}{$fname})) {
+                                $found = 1;
+                                $files_to_copy{$fname} = 1;
+                            }
+                        }
+                    } else {
+                        $path =~ s{^/+|/+$}{}g;
+                        if (ref($files{$path}) eq 'HASH') {
+                            if (exists($files{$path}{$fname})) {
+                                $dirs_to_make{$path} = 1;
+                                $files_to_copy{"$path/$fname"} = 1;
+                                $found = 1;
+                            }
+                        }
+                    }
+                    unless ($found) {
+                        delete($tocopy{$possible});
+                    }
+                }
+            }
+        } else {
+            $r->print('<p>'.&mt('No files or directories selected for copying').'</p>');
+            $r->print(&endContentScreen());
+            return '';
+        }
+        if (keys(%tocopy)) {
+            my ($notopdir,%newdir,%newfile,%checkdeps);
+            $r->print('<p>'.&mt('Copy to: [_1]',
+                                '<span class="LC_filename">'.$desturl.'/'.$subdir.'</span>').
+                      '</p>'."\n");
+            unless ($is_course_home) {
+                $r->print('<p class="LC_info>'.&mt("Session needs to be hosted on course's home server.").
+                          '</p>'.
+                          &endContentScreen());
+                return '';
+            }
+            if (keys(%dirs_to_make)) {
+                if ($is_course_home) {
+                    unless (-e $desttop.'/'.$subdir) {
+                        mkdir($desttop.'/'.$subdir,0755);
+                    }
+                    if (-e $desttop.'/'.$subdir) {
+                        foreach my $dir (sort(keys(%dirs_to_make))) {
+                            my @dirs=split(/\//,$dir);
+                            my $path="$desttop/$subdir";
+                            my $makepath=$path;
+                            my $fail;
+                            for (my $i=0;$i<@dirs;$i++) {
+                                $makepath.='/'.$dirs[$i];
+                                unless (-e $makepath) {
+                                    unless (mkdir($makepath,0755)) {
+                                        $fail = 1;
+                                        last;
+                                    }
+                                    if (($i == scalar(@dirs)-1) && (!$fail))  {
+                                        $newdir{$dir} = 1;
+                                    }
+                                }
+                            }
+                            if ($fail) {
+                                $r->print('<p class="LC_warning">'.&mt('Target directory: [_1] does not exist, and could not be created.',
+                                                                       '<span class="LC_filename">'.$desturl.'/'.$subdir.'/'.$dir.'</span>').
+                                          '</p>'."\n");
+                            }
+                        }
+                    } else {
+                        $notopdir = 1;
+                    }
+                }
+            }
+            if (keys(%files_to_copy)) {
+                if ($is_course_home) {
+                    unless (-e $desttop.'/'.$subdir) {
+                        mkdir($desttop.'/'.$subdir,0755);
+                    }
+                    if (-e $desttop.'/'.$subdir) {
+                        my $num = 0;
+                        foreach my $file (keys(%files_to_copy)) {
+                            my ($fail,$dup,$dir_is_file,$src,$dest,$path,$fname);
+                            if ($file =~ m{/}) {
+                                ($path,$fname) = ($file =~ m{^(.+)/([^/]+)$});
+                                if (-d "$desttop/$subdir/$path") {
+                                    if (-e "$desttop/$subdir/$path/$fname") {
+                                        $dup = 1;
+                                    } else {
+                                        $src = "$srctop/$path/$fname";
+                                        $dest = "$desttop/$subdir/$path/$fname";
+                                    }
+                                } elsif (-f "$desttop/$subdir/$path") {
+                                    $dir_is_file = 1;
+                                } else {
+                                    $fail = 1;
+                                }
+                            } elsif (-e "$desttop/$subdir/$file") {
+                                $dup = 1;
+                            } else {
+                                $src = "$srctop/$file";
+                                $dest = "$desttop/$subdir/$file";
+                                $fname = $file;
+                            }
+                            if ($fail) {
+                                $r->print('<p class="LC_warning">'.&mt('Target directory: [_1] does not exist, and could not be created.',
+                                                                       '<span class="LC_filename">'.$desturl.'/'.$subdir.'/'.$path.'</span>').
+                                          '</p>'."\n");
+                            } elsif ($dup) {
+                                $r->print('<p class="LC_warning">'.&mt('Target file: [_1] already exists -- not overwriting.',
+                                                                       '<span class="LC_filename">'.$desturl.'/'.$subdir.'/'.$file.'</span>').
+                                          '</p>'."\n");
+                            } elsif ($dir_is_file) {
+                                $r->print('<p class="LC_warning">'.&mt('Target directory: [_1] name is already in a use for a file -- not overwriting.',
+                                                                       '<span class="LC_filename">'.$desturl.'/'.$subdir.'/'.$file.'</span>').
+                                          '</p>'."\n");
+                            } elsif (($src ne '') && ($dest ne '')) {
+                                if (&File::Copy::copy($src,$dest)) {
+                                    $newfile{$file} = 1;
+                                    if ((-e $src.'.meta') && (!-e $dest.'.meta')) {
+                                        if (&File::Copy::copy($src.'.meta',$dest.'.meta')) {
+                                            if (open(my $fh,'<',$dest.'.meta')) {
+                                                my ($output,$now);
+                                                $now = time;
+                                                while (my $line=<$fh>) {
+                                                    chomp($line);
+                                                    if ($line eq "<authorspace>$coursenum:$coursedom</authorspace>") {
+                                                        $output .= "<authorspace>$ca:$cd</authorspace>\n";
+                                                    } elsif ($line eq '<copyright>custom</copyright>') {
+                                                        $output .= "<copyright>default</copyright>\n";
+                                                    } elsif ($line =~ m{^<creationdate>\d+</creationdate>$}) {
+                                                        $output .= "<creationdate>$now</creationdate>\n";
+                                                    } elsif ($line eq "<customdistributionfile>/res/$coursedom/$coursenum/default.rights</customdistributionfile>") {
+                                                        $output .= "<customdistributionfile></customdistributionfile>\n";
+                                                    } elsif ($line eq "<domain>$coursedom</domain>") {
+                                                        $output .= "<domain>$cd</domain>\n";
+                                                    } elsif ($line =~ m{^<lastrevisiondate>\d+</lastrevisiondate>$}) {
+                                                        $output .= "<lastrevisiondate>$now</lastrevisiondate>\n";
+                                                    } elsif ($line =~ m{^<modifyinguser>$match_username:$match_domain</modifyinguser>$}) {
+                                                        $output .= "<modifyinguser>$env{'user.name'}:$env{'user.domain'}</modifyinguser>\n";
+                                                    } elsif ($line eq "<owner>$coursenum:$coursedom</owner>") {
+                                                        $output .= "<owner>$ca:$cd</owner>\n";
+                                                    } elsif ($line =~ m{^<dependencies>(.+)</dependencies>$}) {
+                                                        my @deps = split(/\s*,\s*/,$1);
+                                                        my @newdeps;
+                                                        my $changed = 0;
+                                                        foreach my $dep (@deps) {
+                                                            if ($dep =~ m{^/res/$coursedom/$coursenum/(.+)$}) {
+                                                                my $rest = $1;
+                                                                push(@newdeps,"/res/$cd/$ca/$rest");
+                                                                $checkdeps{$rest} = 1;
+                                                                $changed ++;
+                                                            } else {
+                                                                push(@newdeps,$dep);
+                                                            }
+                                                        }
+                                                        if ($changed) {
+                                                            $output .= '<dependencies>'.join(',',@newdeps).'</dependencies>'."\n";
+                                                        }
+                                                    } else {
+                                                        $output .= "$line\n";
+                                                    }
+                                                }
+                                                close($fh);
+                                                if (open(my $fh,'>',$dest.'.meta')) {
+                                                    print $fh $output;
+                                                    close($fh);
+                                                }
+                                            }
+                                        }
+                                    }
+                                    my ($ext) = ($file =~ /\.(\w+)$/);
+                                    my $embstyle=&Apache::loncommon::fileembstyle($ext);
+                                    if ($embstyle eq 'ssi') {
+                                        my $outstring='';
+                                        my $changes = 0;
+                                        my @parser;
+                                        $parser[0]=HTML::LCParser->new($src);
+                                        $parser[-1]->xml_mode(1);
+                                        my $token;
+                                        while (@parser) {
+                                            while ($token=$parser[-1]->get_token) {
+                                                if ($token->[0] eq 'S') {
+                                                    my $tag=$token->[1];
+                                                    my $lctag=lc($tag);
+                                                    my %parms=%{$token->[2]};
+                                                    foreach my $type ('src','href','background','bgimg') {
+                                                        foreach my $key (keys(%parms)) {
+                                                            if ($key =~ /^$type$/i) {
+                                                                next if (($lctag eq 'img') && ($type eq 'src') &&
+                                                                         ($parms{$key} =~ m{^data\:image/gif;base64,}));
+                                                                if ($parms{$key} =~ m{^\Q/res/$coursedom/$coursenum/\E}si) {
+                                                                    $parms{$key} =~ s{^\Q/res/$coursedom/$coursenum/\E}{/res/$cd/$ca/$subdir/}si;
+                                                                    $changes ++;
+                                                                }
+                                                            }
+                                                        }
+                                                    }
+                                                    # probably a <randomlabel> image type <label>
+                                                    # or a <image> tag inside <imageresponse> or <drawimage>
+                                                    if (($lctag eq 'label' && defined($parms{'description'}))
+                                                         || ($lctag eq 'image') || ($lctag eq 'import')) {
+                                                        my $next_token=$parser[-1]->get_token();
+                                                        if ($next_token->[0] eq 'T') {
+                                                            $next_token->[1] =~ s/[\n\r\f]+//g;
+                                                            if ($next_token->[1] =~ m{^\Q/res/$coursedom/$coursenum/\E}si) {
+                                                                $next_token->[1] =~ s{^\Q/res/$coursedom/$coursenum/\E}{/res/$cd/$ca/$subdir/}si;
+                                                                $changes ++;
+                                                            }
+                                                        }
+                                                        $parser[-1]->unget_token($next_token);
+                                                    }
+                                                    if ($lctag eq 'applet') {
+                                                        my $havecodebase=0;
+                                                        foreach my $key (keys(%parms)) {
+                                                            if (lc($key) eq 'codebase') {
+                                                                if ($parms{$key} =~ m{^\Q/res/$coursedom/$coursenum/\E}si) {
+                                                                    $parms{$key} =~ s{^\Q/res/$coursedom/$coursenum/\E}{/res/$cd/$ca/$subdir/}si;
+                                                                    $changes ++;
+                                                                }
+                                                                $havecodebase = 1;
+                                                            }
+                                                        }
+                                                        unless ($havecodebase) {
+                                                            foreach my $key (keys(%parms)) {
+                                                                if ($key =~ /(archive|code|object)/i) {
+                                                                    if ($parms{$key} =~ m{^\Q/res/$coursedom/$coursenum/\E}si) {
+                                                                        $parms{$key} =~ s{^\Q/res/$coursedom/$coursenum/\E}{/res/$cd/$ca/$subdir/si};
+                                                                        $changes ++;
+                                                                    }
+                                                                }
+                                                            }
+                                                        }
+                                                    }
+                                                    my $newparmstring='';
+                                                    my $endtag='';
+                                                    foreach my $parkey (keys(%parms)) {
+                                                        if ($parkey eq '/') {
+                                                            $endtag=' /';
+                                                        } else {
+                                                            my $quote=($parms{$parkey}=~/\"/?"'":'"');
+                                                            $newparmstring.=' '.$parkey.'='.$quote.$parms{$parkey}.$quote;
+                                                        }
+                                                    }
+                                                    if (!$endtag) { if ($token->[4]=~m:/>$:) { $endtag=' /'; }; }
+                                                    $outstring.='<'.$tag.$newparmstring.$endtag.'>';
+                                                    if ($lctag eq 'm' || $lctag eq 'answer' || $lctag eq 'display' ||
+                                                        $lctag eq 'tex') {
+                                                        $outstring.=&Apache::lonxml::get_all_text_unbalanced('/'.$lctag,\@parser);
+                                                    } elsif ($lctag eq 'script') {
+                                                        if ($parms{'type'} eq 'loncapa/perl') {
+                                                            $outstring.=&Apache::lonxml::get_all_text_unbalanced('/'.$lctag,\@parser);
+                                                        } else {
+                                                            my $needsupdate;
+                                                            my $script = &Apache::lonxml::get_all_text_unbalanced('/'.$lctag,\@parser);
+                                                            if ($script =~ m{\.addMediaSrc\((["'])((?!\1).+)\1\);}) {
+                                                                my $src = $2;
+                                                                if ($src =~ m{^\Q/res/$coursedom/$coursenum/\E}si) {
+                                                                    $needsupdate = 1;
+                                                                }
+                                                            }
+                                                            if ($script =~ /\(document,\s*(['"])script\1,\s*\[([^\]]+)\]\);/s) {
+                                                                my $scriptslist = $2;
+                                                                my $needsupdate = 1;
+                                                                my @srcs = split(/\s*,\s*/,$scriptslist);
+                                                                foreach my $src (@srcs) {
+                                                                    if ($src =~ /(["'])(?:(?!\1).)+\.js\1/) {
+                                                                        my $quote = $1;
+                                                                        my ($url) = ($src =~ m/\Q$quote\E([^$quote]+)\Q$quote\E/);
+                                                                        if ($url =~ m{^\Q/res/$coursedom/$coursenum/\E}si) {
+                                                                            $needsupdate = 1;
+                                                                        }
+                                                                    }
+                                                                }
+                                                            }
+                                                            if ($script =~ m{loadScript\(\s*(['"])((?:(?!\1).)+\.js)\1,\s*function}is) {
+                                                                my $src = $2;
+                                                                if ($src =~ m{^\Q/res/$coursedom/$coursenum/\E}si) {
+                                                                    $needsupdate = 1;
+                                                                }
+                                                            }
+                                                            if ($needsupdate) {
+                                                                $script =~ s{^\Q/res/$coursedom/$coursenum/\E}{/res/$cd/$ca/$subdir/gsi};
+                                                                $changes ++;
+                                                            }
+                                                            $outstring .= $script;
+                                                        }
+                                                    }
+                                                } elsif ($token->[0] eq 'E') {
+                                                    if ($token->[2]) {
+                                                        unless ($token->[1] eq 'allow') {
+                                                            $outstring.='</'.$token->[1].'>';
+                                                        }
+                                                    }
+                                                } else {
+                                                     $outstring.=$token->[1];
+                                                }
+                                            }
+                                            pop(@parser);
+                                        }
+                                        if ($changes) {
+                                            if (open(my $fh,'>',$dest)) {
+                                                print $fh $outstring;
+                                                close($fh);
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    } else {
+                        $notopdir = 1;
+                    }
+                }
+            }
+            if ($notopdir) {
+                $r->print('<p><span class="LC_info">'.&mt('No files or sub-directories copied').'</span><br />'."\n".
+                          '<span class="LC_warning">'.&mt('Target directory: [_1] does not exist, and could not be created.',
+                                                          '<span class="LC_filename">'.$desturl.'/'.$subdir.'</span>').
+                          '</span></p>'."\n");
+            }
+            if (keys(%newdir)) {
+                 $r->print('<p>'.&mt('Created the following directories in [_1]:','<span class="LC_filename">'.$desturl.'/'.$subdir.'</span>').
+                           '</p>'."\n".
+                           '<ul><li>'.join('</li><li>',sort(keys(%newdir))).'</li></ul></p>'."\n");
+            }
+            if (keys(%newfile)) {
+                $r->print('<p>'.&mt('Copied the following files to [_1]:','<span class="LC_filename">'.$desturl.'/'.$subdir.'</span>').
+                          '</p>'."\n".
+                          '<ul><li>'.join('</li><li>',sort(keys(%newfile))).'</li></ul></p>'."\n");
+            }
+            if (keys(%checkdeps)) {
+                my %missingdep;
+                foreach my $depfile (sort(keys(%checkdeps))) {
+                    unless (-e "$desttop/$depfile") {
+                        $missingdep{$depfile} = 1;
+                    }
+                }
+                if (keys(%missingdep)) {
+                    $r->print('<p>'.&mt('You may also need to copy the following missing dependencies for files copied to [_1]:',
+                                        '<span class="LC_filename">'.$desturl.'/'.$subdir.'</span>').
+                          '</p>'."\n".
+                          '<ul><li>'.join('</li><li>',sort(keys(%missingdep))).'</li></ul></p>'."\n");
+                }
+            }
+        } else {
+            $r->print('<p>'.&mt('No currently existing files or directories in Course Authoring Space selected for copying').'</p>');
+            $r->print(&endContentScreen());
+            return '';
+        }
+    } else {
+        my $formname = 'copycrsauthored';
+        my $chkname = 'copytouser';
+        my $context = 'crsauthored';
+        my (%subdirs,%files,@dirs_by_depth,@files_by_depth,%parent,%children,%hierarchy,@checked_maps);
+        &Apache::lonnet::recursedirs($home,1,undef,$exclude,0,0,$srcurl,'',\%subdirs,\%files);
+        foreach my $key (keys(%subdirs)) {
+            next if (($key eq '/') || ($key eq ''));
+            my @items = split(/\//,$key);
+            my $dir = pop(@items);
+            my $depth = scalar(@items);
+            my $path;
+            if (!$depth) {
+                $path = '/';
+            } else {
+                $path = join('/',@items);
+            }
+            $dirs_by_depth[$depth]{$path}{$dir} = 1;
+        }
+        foreach my $path (keys(%files)) {
+            next if ($path eq '');
+            my $depth;
+            if ($path eq '/') {
+                $depth = 0;
+            } else {
+                $depth = scalar(split(/\//,$path));
+            }
+            if (ref($files{$path}) eq 'HASH') {
+                foreach my $file (keys(%{$files{$path}})) {
+                    $files_by_depth[$depth]{$path}{$file} = 1;
+                }
+            }
+        }
+        my ($info,$display,$onsubmit,$togglebuttons,$disabled);
+        if ($readonly) {
+            $disabled = ' disabled="disabled"';
+        }
+        if ($disabled) {
+            $togglebuttons = '<br />';
+        } else {
+            $togglebuttons = '<input type="button" value="'.&mt('check all').'" '.
+                             'onclick="javascript:checkAll(document.'.$formname.'.'.$chkname.')" />'.
+                             '&nbsp;&nbsp;<input type="button" value="'.&mt('uncheck all').'"'.
+                             ' onclick="javascript:uncheckAll(document.'.$formname.'.'.$chkname.')" />';
+        }
+        my $title=$origcrsdata{'description'};
+        $title=~s/[\/\s]+/\_/gs;
+        $title=&clean($title);
+        my $preamble = &authorspace_selector($r,$formname,$home,$title,%outhash);
+        my $display = '<form name="'.$formname.'" action="" method="post">'."\n".
+                      $preamble."\n".
+                      '<div class="LC_float_left">'."\n".
+                      '<fieldset>'."\n".
+                      '<legend>'.&mt('Content to copy').('&nbsp;'x4).$togglebuttons.'</legend>'."\n".
+                      '<span class="LC_fontsize_medium">'.
+                      &mt('Choose the files and/or folders to copy from Course Authoring to User Authoring').
+                      '</span><br /><br />'."\n";
+        my $count = 0;
+        my $startcount = 4 + $home;
+        my $lastcontainer = $startcount;
+        $display .= &Apache::loncommon::start_data_table()."\n".
+                    &Apache::loncommon::start_data_table_header_row().
+                    '<th>'.&mt('Copy?').'</th>'.
+                    '<th>'.&mt('Title').'</th>'.
+                    &Apache::loncommon::end_data_table_header_row()."\n";
+        $count = &recurse_crsauthored(0,\@dirs_by_depth,\@files_by_depth,'/',$startcount,
+                                      $count,\$display,\%parent,\%children,$readonly,
+                                      $formname,$chkname,\$lastcontainer);
+        $display .= &Apache::loncommon::end_data_table().'</fieldset>';
+        unless ($readonly) {
+            $display .= '</div><div style="padding:0;clear:both;margin:0;border:0"></div>'.
+                        '<div>'.
+                        '<input type="submit" name="copyauthored" value="'.&mt("Copy Selected Content").'" />'.
+                        '</div>';
+        }
+        $display .= &Apache::loncourserespicker::respicker_javascript($startcount,$count,$context,$formname,\%children,
+                                                                      \%hierarchy,\@checked_maps,$home,$chkname);
+        $r->print($display);
+    }
+    $r->print(&endContentScreen());
+}
+
+sub recurse_crsauthored {
+    my ($currdepth,$dirs_by_depth,$files_by_depth,$currpath,$startcount,$count,$displayref,
+        $parent,$children,$readonly,$formname,$chkname,$lastcontainerref) = @_;
+    return $count unless ((ref($dirs_by_depth) eq 'ARRAY') && (ref($files_by_depth) eq 'ARRAY'));
+    my ($disabled,$hasdirs,$hasfiles,%unique,%dirs,%files);
+    if ((ref($dirs_by_depth->[$currdepth]) eq 'HASH') &&
+        (ref($dirs_by_depth->[$currdepth]{$currpath}) eq 'HASH')) {
+        $hasdirs = 1;
+        %dirs = %{$dirs_by_depth->[$currdepth]{$currpath}};
+        map { $unique{$_} = 1; } keys(%dirs);
+    }
+    if ((ref($files_by_depth->[$currdepth]) eq 'HASH') &&
+        (ref($files_by_depth->[$currdepth]{$currpath}) eq 'HASH')) {
+        $hasfiles = 1;
+        %files = %{$files_by_depth->[$currdepth]{$currpath}};
+        map { $unique{$_} = 1; } keys(%files);
+    }
+    if ($readonly) {
+        $disabled = ' disabled="disabled"';
+    }
+    my $location=&Apache::loncommon::lonhttpdurl("/adm/lonIcons");
+    my $whitespace =
+        '<img src="'.$location.'/whitespace_21.gif" class="LC_docs_spacer" alt="" />';
+    $parent->{$currdepth} = $$lastcontainerref;
+    foreach my $item (sort { lc($a) cmp lc($b) } (keys(%unique))) {
+        next if ($item eq '');
+        my $currelem;
+        if ($hasdirs && exists($dirs{$item})) {
+            $count ++;
+            my $deeper = $currdepth+1;
+            my ($newpath,$showpath);
+            if ($currpath eq '/') {
+                $newpath = $item;
+                $showpath = $currpath.$item.'/';
+            } else {
+                $newpath = $currpath.'/'.$item;
+                $showpath = '/'.$currpath.'/'.$item.'/';
+            }
+            $currelem = $count+$startcount;
+            $$lastcontainerref = $currelem;
+            $children->{$parent->{$currdepth}} .= $currelem.':';
+            my $icon = 'src="'.$location.'/navmap.folder.open.gif" alt="'.&mt('Folder').'"';
+            $$displayref .= &Apache::loncommon::start_data_table_row().
+                            '<td><input type="checkbox" name="'.$chkname.'" value="'.&escape($showpath).'" '.
+                            'onclick="javascript:checkFolder(document.'.$formname.','."'$currelem'".')" '.
+                            $disabled.' /></td><td>';
+            for (my $i=0; $i<$currdepth; $i++) {
+                $$displayref .= "$whitespace\n";
+            }
+            $$displayref .= '<img '.$icon.' />&nbsp;'.$item.'</td>'.
+                            &Apache::loncommon::end_data_table_row()."\n";
+            $count = &recurse_crsauthored($deeper,$dirs_by_depth,$files_by_depth,$newpath,
+                                          $startcount,$count,$displayref,$parent,$children,
+                                          $readonly,$formname,$chkname,$lastcontainerref);
+        }
+        if ($hasfiles && exists($files{$item})) {
+            $count ++;
+            $currelem = $count+$startcount;
+            $children->{$parent->{$currdepth}} .= $currelem.':';
+            my $icon = 'src="'.&Apache::loncommon::icon($item).'"';
+            my ($ext) = ($item =~ /\.([^.]+)$/);
+            my $alttext;
+            if (lc($ext) eq 'problem') {
+                $alttext = ' alt="'.&mt('Problem Icon').'"';
+            } elsif ($ext =~ /^x?html?$/i) {
+                $alttext = ' alt="'.&mt('Web Page Icon').'"';
+            } elsif ($ext =~ /^(jpg|gif|png|svg|jpeg)$/) {
+                $alttext = ' alt="'.&mt('Image Icon').'"';
+            } else {
+                $alttext = ' alt="'.&mt('Resource Icon').'"';
+            }
+            my $showpath;
+            if ($currpath eq '/') {
+                $showpath = $currpath;
+            } else {
+                $showpath = "/$currpath/";
+            }
+            $$displayref .= &Apache::loncommon::start_data_table_row().
+                            '<td><input type="checkbox" name="'.$chkname.'" value="'.&escape($showpath.$item).'" '.
+                            'onclick="javascript:checkResource(document.'.$formname.','."'$currelem'".')" '.
+                            $disabled.' /></td><td>';
+            for (my $i=0; $i<$currdepth; $i++) {
+                $$displayref .= "$whitespace\n";
+            }
+            $$displayref .= '<img '.$icon.$alttext.' />&nbsp;'.$item.'</td>'.
+                            &Apache::loncommon::end_data_table_row()."\n";
+        }
+    }
+    $$lastcontainerref = $parent->{$currdepth};
+    return $count;
+}
+
 sub group_import {
-    my ($coursenum, $coursedom, $folder, $container, $caller, @files) = @_;
+    my ($coursenum, $coursedom, $folder, $container, $caller, $ltitoolsref, @files) = @_;
     my ($donechk,$allmaps,%hierarchy,%titles,%addedmaps,%removefrommap,
         %removeparam,$importuploaded,$fixuperrors);
     $allmaps = {};
@@ -615,6 +1329,166 @@ sub group_import {
             }
         }
 	if ($url) {
+            if ($url =~ m{^(/adm/$coursedom/$coursenum/(\d+)/ext\.tool)\:?(.*)$}) {
+                $url = $1;
+                my $marker = $2;
+                my $info = $3;
+                my ($toolid,$toolprefix,$tooltype,%toolhash,%toolsettings);
+                my @extras = ('linktext','explanation','crslabel','crstitle','crsappend');
+                my @toolinfo = split(/:/,$info);
+                if ($residx) {
+                    %toolsettings=&Apache::lonnet::dump('exttool_'.$marker,$coursedom,$coursenum);
+                    $toolid = $toolsettings{'id'};
+                } else {
+                    $toolid = shift(@toolinfo);
+                }
+                if ($toolid =~ /^c/) {
+                    $tooltype = 'crs';
+                    $toolprefix = 'c';
+                } else {
+                    $tooltype = 'dom';
+                }
+                $toolid =~ s/\D//g;
+                ($toolhash{'target'},$toolhash{'width'},$toolhash{'height'},
+                 $toolhash{'linktext'},$toolhash{'explanation'},$toolhash{'crslabel'},
+                 $toolhash{'crstitle'},$toolhash{'crsappend'},$toolhash{'gradable'}) = @toolinfo;
+                foreach my $item (@extras) {
+                    $toolhash{$item} = &unescape($toolhash{$item});
+                }
+                if ($folder =~ /^supplemental/) {
+                    delete($toolhash{'gradable'});
+                } else {
+                    $toolhash{'gradable'} =~ s/\D+//g;
+                }
+                if (ref($ltitoolsref) eq 'HASH') {
+                    if (ref($ltitoolsref->{$tooltype}) eq 'HASH') {
+                        if (ref($ltitoolsref->{$tooltype}->{$toolid}) eq 'HASH') {
+                            my %tools = %{$ltitoolsref->{$tooltype}->{$toolid}};
+                            my @deleted;
+                            $toolhash{'id'} = $toolprefix.$toolid;
+                            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') {
+                                    foreach my $item ('width','height') {
+                                        $toolhash{$item} = $toolsettings{$item};
+                                    }
+                                }
+                            } elsif (ref($tools{'display'}) eq 'HASH') {
+                                $toolhash{'target'} = $tools{'display'}{'target'};
+                                if ($toolhash{'target'} eq 'window') {
+                                    $toolhash{'width'} = $tools{'display'}{'width'};
+                                    $toolhash{'height'} = $tools{'display'}{'height'};
+                                }
+                            }
+                            if ($toolhash{'target'} eq 'iframe') {
+                                foreach my $item ('width','height','linktext','explanation') {
+                                    delete($toolhash{$item});
+                                    if ($residx) {
+                                        if ($toolsettings{$item}) {
+                                            push(@deleted,$item);
+                                        }
+                                    }
+                                }
+                            } elsif ($toolhash{'target'} eq 'tab') {
+                                foreach my $item ('width','height') {
+                                    delete($toolhash{$item});
+                                    if ($residx) {
+                                        if ($toolsettings{$item}) {
+                                            push(@deleted,$item);
+                                        }
+                                    }
+                                }
+                            }
+                            if (ref($tools{'crsconf'}) eq 'HASH') {
+                                foreach my $item ('label','title','linktext','explanation') {
+                                    my $crsitem;
+                                    if (($item eq 'label') || ($item eq 'title')) {
+                                        $crsitem = 'crs'.$item;
+                                    } else {
+                                        $crsitem = $item;
+                                    }
+                                    if ($tools{'crsconf'}{$item}) {
+                                        $toolhash{$crsitem} =~ s/^\s+//;
+                                        $toolhash{$crsitem} =~ s/\s+$//;
+                                        if ($toolhash{$crsitem} eq '') {
+                                            delete($toolhash{$crsitem});
+                                        }
+                                    } else {
+                                        delete($toolhash{$crsitem});
+                                    }
+                                    if (($residx) && (exists($toolsettings{$crsitem}))) {
+                                        unless (exists($toolhash{$crsitem})) {
+                                            push(@deleted,$crsitem);
+                                        }
+                                    }
+                                }
+                            }
+                            if ($toolhash{'passback'}) {
+                                my $gradesecret = UUID::Tiny::create_uuid_as_string(UUID_V4);
+                                $toolhash{'gradesecret'} = $gradesecret;
+                                $toolhash{'gradesecretdate'} = time;
+                            }
+                            if ($toolhash{'roster'}) {
+                                my $rostersecret = UUID::Tiny::create_uuid_as_string(UUID_V4);
+                                $toolhash{'rostersecret'} = $rostersecret;
+                                $toolhash{'rostersecretdate'} = time;
+                            }
+                            my $changegradable;
+                            if (($residx) && ($folder =~ /^default/)) {
+                                if ($toolsettings{'gradable'}) {
+                                    unless (($toolhash{'gradable'}) || (defined($LONCAPA::map::zombies[$residx]))) {
+                                        push(@deleted,'gradable');
+                                        $changegradable = 1;
+                                    }
+                                } elsif ($toolhash{'gradable'}) {
+                                    $changegradable = 1;
+                                }
+                                if (($caller eq 'londocs') && (defined($LONCAPA::map::zombies[$residx]))) {
+                                    $changegradable = 1;
+                                    if ($toolsettings{'gradable'}) {
+                                        $toolhash{'gradable'} = 1;
+                                    }
+                                }
+                            }
+                            my $putres = &Apache::lonnet::put('exttool_'.$marker,\%toolhash,$coursedom,$coursenum);
+                            if ($putres eq 'ok') {
+                                if (@deleted) {
+                                    &Apache::lonnet::del('exttool_'.$marker,\@deleted,$coursedom,$coursenum);
+                                }
+                                if (($changegradable) && ($folder =~ /^default/)) {
+                                    my $val;
+                                    if ($toolhash{'gradable'}) {
+                                        $val = 'yes';
+                                    } else {
+                                        $val = 'no';
+                                    }
+                                    &LONCAPA::map::storeparameter($residx,'parameter_0_gradable',$val,
+                                                                  'string_yesno');
+                                    &remember_parms($residx,'gradable','set',$val);
+                                }
+                            } else {
+                                return (&mt('Failed to save update to external tool.'),1);
+                            }
+                        }
+                    }
+                }
+            }
             if (($caller eq 'londocs') &&
                 ($folder =~ /^default/)) {
                 if (($url =~ /\.(page|sequence)$/) && (!$donechk)) {
@@ -626,8 +1500,8 @@ 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});
@@ -640,26 +1514,27 @@ sub group_import {
 	    }
 	    my $ext = 'false';
 	    if ($url=~m{^http://} || $url=~m{^https://}) { $ext = 'true'; }
-	    $name = &LONCAPA::map::qtunescape($name);
-            if ($name eq '') {
-                $name = &LONCAPA::map::qtunescape(&mt('Web Page'));
-            }
             if ($url =~ m{^/uploaded/$coursedom/$coursenum/((?:docs|supplemental)/(?:default|\d+))/new\.html$}) {
                 my $filepath = $1;
-                my $fname = $name;
-                if ($fname =~ /^\W+$/) {
+                my $fname;
+                if ($name eq '') {
+                    $name = &mt('Web Page');
                     $fname = 'web';
                 } else {
-                    $fname =~ s/\W/_/g;
-                }
-                if (length($fname > 15)) {
-                    $fname = substr($fname,0,14);
+                    $fname = $name;
+                    $fname=&Apache::lonnet::clean_filename($fname);
+                    if ($fname eq '') {
+                        $fname = 'web';
+                    } elsif (length($fname) > 15) {
+                        $fname = substr($fname,0,14);
+                    }
                 }
+                my $title = &Apache::loncommon::cleanup_html($name);
                 my $initialtext = &mt('Replace with your own content.');
                 my $newhtml = <<END;
 <html>
 <head>
-<title>$name</title>
+<title>$title</title>
 </head>
 <body bgcolor="#ffffff">
 $initialtext
@@ -681,6 +1556,7 @@ END
                     return (&mt('Failed to save new web page.'),1);
                 }
             }
+            $name = &LONCAPA::map::qtunescape($name);
             $url  = &LONCAPA::map::qtunescape($url);
 	    $LONCAPA::map::resources[$residx] =
 		join(':', ($name, $url, $ext, 'normal', 'res'));
@@ -692,7 +1568,7 @@ END
                           removefrommap => \%removefrommap,
                           removeparam   => \%removeparam,
                       );
-        my ($result,$msgsarray,$lockerror) =
+        my ($result,$msgsarray,$lockerror) = 
             &apply_fixups($folder,1,$coursedom,$coursenum,\%import_errors,\%updated);
         if (keys(%import_errors) > 0) {
             $fixuperrors =
@@ -721,7 +1597,6 @@ END
         &storemap($coursenum, $coursedom, $folder.'.'.$container,1);
     unless ($fatal) {
         if ($folder =~ /^supplemental/) {
-            &Apache::lonnet::get_numsuppfiles($coursenum,$coursedom,1);
             my ($errtext,$fatal) = &mapread($coursenum,$coursedom,
                                             $folder.'.'.$container);
         }
@@ -791,12 +1666,14 @@ 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)."\n".
+             &editing_js($env{'user.domain'},$env{'user.name'},$supplementalflag,
+                         $coursedom,$coursenum,'','',$canedit,'',\$navmap)."\n".
              &history_tab_js()."\n".
              &Apache::lonratedt::editscript('simple')."\n".
              '// ]]>'."\n".
@@ -812,8 +1689,9 @@ 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.$container";
@@ -823,7 +1701,7 @@ sub docs_change_log {
     if ($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,
@@ -845,6 +1723,7 @@ sub docs_change_log {
 	    'encrypturl'     => 'URL hidden',
 	    'randompick'     => 'Randomly pick',
 	    'randomorder'    => 'Randomly ordered',
+            'gradable'       => 'Grade can be assigned to External Tool',
 	    'set'            => 'set to',
 	    'del'            => 'deleted');
     my $filter = &Apache::loncommon::display_filter('docslog')."\n".
@@ -951,8 +1830,14 @@ sub docs_change_log {
 	}
 	$r->print('</ul>');
 	if ($docslog{$id}{'logentry'}{'parameter_res'}) {
-	    $r->print(&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'parameter_res'}))[0]).':<ul>');
-	    foreach my $parameter ('randompick','hiddenresource','encrypturl','randomorder') {
+            my ($title,$url) = split(/\:/,$docslog{$id}{'logentry'}{'parameter_res'},3);
+            if ($title eq '') {
+                ($title) = ($url =~ m{/([^/]+)$});
+            } elsif ($is_supp) {
+                $title = &Apache::loncommon::parse_supplemental_title($title);
+            }
+            $r->print(&LONCAPA::map::qtescape($title).':<ul>');
+	    foreach my $parameter ('randompick','hiddenresource','encrypturl','randomorder','gradable') {
 		if ($docslog{$id}{'logentry'}{'parameter_action_'.$parameter}) {
 # FIXME: internationalization seems wrong here
 		    $r->print('<li>'.
@@ -1020,29 +1905,47 @@ sub update_paste_buffer {
 # Construct identifiers for current contents of user's paste buffer
     if (@currpaste) {
         foreach my $suffix (@currpaste) {
-             my $cid = $env{'docs.markedcopy_crs_'.$suffix};
-             my $url = $env{'docs.markedcopy_url_'.$suffix};
-             if (($cid =~ /^$match_domain(?:_)$match_courseid$/) &&
-                 ($url ne '')) {
-                 $pasteurls{$cid.'_'.$url} = 1;
-             }
+            my $cid = $env{'docs.markedcopy_crs_'.$suffix};
+            my $url = $env{'docs.markedcopy_url_'.$suffix};
+            my $mapidx = $env{'docs.markedcopy_map_'.$suffix};
+            if (($cid =~ /^$match_domain(?:_)$match_courseid$/) &&
+                ($url ne '')) {
+                if ($url eq '/res/lib/templates/simpleproblem.problem') {
+                    $pasteurls{$cid.'_'.$mapidx} = 1;
+                } elsif ($url =~ m{^/res/$match_domain/$match_username/}) {
+                    $pasteurls{$url} = 1;
+                } else {
+                    $pasteurls{$cid.'_'.$url} = 1;
+                }
+            }
         }
     }
 
 # Mark items for copying (skip any items already in user's paste buffer)
     my %addtoenv;
-                  
+
+    my @pathitems = split(/\&/,$env{'form.folderpath'});
+    my @folderconf = split(/\:/,$pathitems[-1]);
+    my $ispage = $folderconf[5];
+
     foreach my $item (@possibles) {
         my ($orderidx,$cmd) = split(/:/,$item);
         next if ($orderidx =~ /\D/);
         next unless (($cmd eq 'cut') || ($cmd eq 'copy') || ($cmd eq 'remove'));
+        my $mapidx = $folder.':'.$orderidx.':'.$ispage;
         my ($title,$url)=split(':',$LONCAPA::map::resources[$orderidx]);
         my %denied = &action_restrictions($coursenum,$coursedom,
                                           &LONCAPA::map::qtescape($url),
                                           $env{'form.folderpath'},\%curr_groups);
         next if ($denied{'copy'});
         $url=~s{http(&colon;|:)//https(&colon;|:)//}{https$2//};
-        next if (exists($pasteurls{$coursedom.'_'.$coursenum.'_'.$url}));
+        if ($url eq '/res/lib/templates/simpleproblem.problem') {
+            next if (exists($pasteurls{$coursedom.'_'.$coursenum.'_'.$mapidx}));
+        } elsif ($url =~ m{^/res/$match_domain/$match_username/}) {
+            next if (exists($pasteurls{$url}));
+        } else {
+            next if (exists($pasteurls{$coursedom.'_'.$coursenum.'_'.$url}));
+        }
         my ($suffix,$errortxt,$locknotfreed) =
             &new_timebased_suffix($env{'user.domain'},$env{'user.name'},'paste');
         if ($suffix ne '') {
@@ -1061,7 +1964,7 @@ sub update_paste_buffer {
         $addtoenv{'docs.markedcopy_url_'.$suffix}   = $url,
         $addtoenv{'docs.markedcopy_cmd_'.$suffix}   = $cmd,
         $addtoenv{'docs.markedcopy_crs_'.$suffix}   = $env{'request.course.id'};
- 
+        $addtoenv{'docs.markedcopy_map_'.$suffix}   = $mapidx;
         if ($url =~ m{^/uploaded/$match_domain/$match_courseid/(default|supplemental)_?(\d*)\.(page|sequence)$}) {
             my $prefix = $1;
             my $subdir =$2;
@@ -1069,8 +1972,8 @@ 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);
@@ -1131,7 +2034,7 @@ sub print_paste_buffer {
     }
 
     my @currpaste = split(/,/,$env{'docs.markedcopies'});
-    my ($pasteitems,@pasteable);
+    my ($pasteitems,@pasteable,$same_institution,$checkedsameinst);
     my $clipboardcount = 0;
 
 # Construct identifiers for current contents of user's paste buffer
@@ -1139,14 +2042,19 @@ sub print_paste_buffer {
         next if ($suffix =~ /\D/);
         my $cid = $env{'docs.markedcopy_crs_'.$suffix};
         my $url = $env{'docs.markedcopy_url_'.$suffix};
+        my $mapidx = $env{'docs.markedcopy_map_'.$suffix};
         if (($cid =~ /^$match_domain\_$match_courseid$/) &&
             ($url ne '')) {
             $clipboardcount ++;
             my ($is_external,$othercourse,$fromsupp,$is_uploaded_map,$parent,
-                $canpaste,$nopaste,$othercrs,$areachange);
+                $canpaste,$nopaste,$othercrs,$areachange,$is_exttool,$toolcdom,
+                $toolcnum,$marker);
             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+)/ext\.tool$}) {
+                ($toolcdom,$toolcnum,$marker) = ($1,$2,$3);
+                $is_exttool = 1;
             }
             if ($folder =~ /^supplemental/) {
                 $canpaste = &supp_pasteable($env{'docs.markedcopy_url_'.$suffix});
@@ -1164,9 +2072,7 @@ sub print_paste_buffer {
                     if (($srcdom ne $coursedom) || ($srcnum ne $coursenum)) {
                         $othercourse = 1;
                         if ($env{"user.priv.cm./$srcdom/$srcnum"} =~ /\Q:mdc&F\E/) {
-                            if ($canpaste) {
-                                $othercrs = '<br />'.&mt('(from another course)');
-                            }
+                            $othercrs = '<br />'.&mt('(from another course)');
                         } else {
                             $canpaste = 0;
                             $nopaste = &mt('Paste from another course unavailable.'); 
@@ -1180,16 +2086,74 @@ 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|ext\.tool)$})) {
+                    if ($cid ne $env{'request.course.id'}) {
+                        my ($srcdom,$srcnum) = split(/_/,$cid);
+                        if ($env{"user.priv.cm./$srcdom/$srcnum"} =~ /\Q:mdc&F\E/) {
+                            if ($is_exttool) {
+                                if ($toolcdom ne $coursedom) {
+                                    $canpaste = 0;
+                                    $nopaste = &mt('Paste from another domain unavailable.');
+                                } elsif ($toolcnum ne $coursenum) {
+                                    my %toolsettings =
+                                        &Apache::lonnet::dump('exttool_'.$marker,$toolcdom,$toolcnum);
+                                    my %tooltypes = &Apache::loncommon::usable_exttools();
+                                    if ((($toolsettings{'id'} =~ /^c\d+$/) && (!$tooltypes{'crs'})) ||
+                                        (($toolsettings{'id'} =~ /^\d+$/) && (!$tooltypes{'dom'}))) {
+                                        $canpaste = 0;
+                                        $nopaste = &mt('Paste from another course unavailable.');
+                                    } elsif ($toolsettings{'id'} =~ /^c\d+$/) {
+                                        unless ($checkedsameinst) {
+                                            my $primary_id = &Apache::lonnet::domain($coursedom,'primary');
+                                            my $intdom = &Apache::lonnet::internet_dom($primary_id);
+                                            if ($intdom ne '') {
+                                                my $internet_names =
+                                                    &Apache::lonnet::get_internet_names($Apache::lonnet::perlvar{'lonHostID'});
+                                                if (ref($internet_names) eq 'ARRAY') {
+                                                    if (grep(/^\Q$intdom\E$/,@{$internet_names})) {
+                                                        $same_institution = 1;
+                                                    }
+                                                }
+                                            }
+                                            $checkedsameinst = 1;
+                                        }
+                                        if ($same_institution) {
+                                            $othercrs = '<br />'.&mt('(from another course)');
+                                        } else {
+                                            $nopaste = &mt('Paste from another course unavailable.');
+                                        }
+                                    } else {
+                                        $othercrs = '<br />'.&mt('(from another course)');
+                                    }
+                                }
+                            }
+                        } else {
+                            $canpaste = 0;
+                            $nopaste = &mt('Paste from another course unavailable.');
+                        }
+                    }
+                } elsif ($url =~ m{/res/($match_domain)/($match_username)/}) {
+                    my ($audom,$auname) = ($1,$2);
+                    unless (($auname eq $coursenum) && ($audom eq $coursedom)) {
+                        if (&Apache::lonnet::is_course($audom,$auname)) {
+                            $canpaste = 0;
+                            $nopaste = &mt('Paste from another course unavailable.');
+                        }
+                    }
+                }
+                if ($canpaste) {
+                    push(@pasteable,$suffix);
                 }
-            }
-            if ($canpaste) {
-               push(@pasteable,$suffix);
             }
             my $buffer;
             if ($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' &&
@@ -1219,7 +2183,7 @@ sub print_paste_buffer {
             }
             $pasteitems .= '<label><input type="checkbox" name="pasting" id="pasting_'.$suffix.'" value="'.$suffix.'" '.$onclick.'/>'.$buffer.'</label>';
             if ($nopaste) {
-                 $pasteitems .= $nopaste;   
+                 $pasteitems .= ' <span class="LC_cusr_emph">'.$nopaste.'</span>';   
             } else {
                 if ($othercrs) {
                     $pasteitems .= $othercrs;
@@ -1242,10 +2206,10 @@ sub print_paste_buffer {
             my $value = &mt('Paste to current folder');
             if ($container eq 'page') {
                 $value = &mt('Paste to current page');
-            }
+            } 
             $buttons = '<input type="submit" name="pastemarked" value="'.$value.'" />'.('&nbsp;'x2);
         }
-        $buttons .= '<input type="submit" name="clearmarked" value="'.&mt('Clear selected').'" />'.('&nbsp;'x2);
+        $buttons .= '<input type="submit" name="clearmarked" value="'.&mt('Remove from clipboard').'" />'.('&nbsp;'x2);
         if ($clipboardcount > 1) {
             $buttons .=
                 '<span style="text-decoration:line-through">'.('&nbsp;'x20).'</span>'.('&nbsp;'x2).
@@ -1346,36 +2310,42 @@ sub supp_pasteable {
         (($url =~ /\.sequence$/) && ($url =~ m{^/uploaded/})) ||
         ($url =~ m{^/uploaded/$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{^/public/$match_domain/$match_courseid/syllabus}) ||
+        ($url =~ m{^/adm/$match_domain/$match_courseid/\d+/ext\.tool$})) {
         return 1;
     }
     return;
 }
 
 sub paste_popup_js {
-    my %lt = &Apache::lonlocal::texthash(
+    my %html_js_lt = &Apache::lonlocal::texthash(
                                           show => 'Show Options',
                                           hide => 'Hide Options',
+                                        );
+    my %js_lt = &Apache::lonlocal::texthash(
                                           none => 'No items selected from clipboard.',
                                         );
+    &html_escape(\%html_js_lt);
+    &js_escape(\%html_js_lt);
+    &js_escape(\%js_lt);
     return <<"END";
 
 function showPasteOptions(suffix) {
     document.getElementById('pasteoptions_'+suffix).style.display='block';
-    document.getElementById('pasteoptionstext_'+suffix).innerHTML = '&nbsp;&nbsp;&nbsp;&nbsp;<a href="javascript:hidePasteOptions(\\''+suffix+'\\');" class="LC_menubuttons_link">$lt{'hide'}</a>';
+    document.getElementById('pasteoptionstext_'+suffix).innerHTML = '&nbsp;&nbsp;&nbsp;&nbsp;<a href="javascript:hidePasteOptions(\\''+suffix+'\\');" class="LC_menubuttons_link">$html_js_lt{'hide'}</a>';
     return;
 }
 
 function hidePasteOptions(suffix) {
     document.getElementById('pasteoptions_'+suffix).style.display='none';
-    document.getElementById('pasteoptionstext_'+suffix).innerHTML ='&nbsp;&nbsp;&nbsp;&nbsp;<a href="javascript:showPasteOptions(\\''+suffix+'\\')" class="LC_menubuttons_link">$lt{'show'}</a>';
+    document.getElementById('pasteoptionstext_'+suffix).innerHTML ='&nbsp;&nbsp;&nbsp;&nbsp;<a href="javascript:showPasteOptions(\\''+suffix+'\\')" class="LC_menubuttons_link">$html_js_lt{'show'}</a>';
     return;
 }
 
 function showOptions(caller,suffix) {
     if (document.getElementById('pasteoptionstext_'+suffix)) {
         if (caller.checked) {
-            document.getElementById('pasteoptionstext_'+suffix).innerHTML ='&nbsp;&nbsp;&nbsp;&nbsp;<a href="javascript:showPasteOptions(\\''+suffix+'\\')" class="LC_menubuttons_link">$lt{'show'}</a>';
+            document.getElementById('pasteoptionstext_'+suffix).innerHTML ='&nbsp;&nbsp;&nbsp;&nbsp;<a href="javascript:showPasteOptions(\\''+suffix+'\\')" class="LC_menubuttons_link">$html_js_lt{'show'}</a>';
         } else {
             document.getElementById('pasteoptionstext_'+suffix).innerHTML ='';
         }
@@ -1404,7 +2374,7 @@ function validateClipboard() {
     if (numchk > 0) { 
         return true;
     } else {
-        alert("$lt{'none'}");
+        alert("$js_lt{'none'}");
         return false;
     }
 }
@@ -1413,7 +2383,7 @@ function checkClipboard() {
     if (document.pasteform.pasting.length > 1) {
         for (var i=0; i<document.pasteform.pasting.length; i++) {
             document.pasteform.pasting[i].checked = true;
-        }
+        } 
     }
     return;
 }
@@ -1463,11 +2433,16 @@ sub do_paste_from_buffer {
         return();
     }
 
-    my (%msgs,%before,%after,@dopaste,%is_map,%notinsupp,%notincrs,%duplicate,
-        %prefixchg,%srcdom,%srcnum,%marktomove,$save_err,$lockerrors,$allresult);
-
+    my (%msgs,%before,%after,@dopaste,%is_map,%notinsupp,%notincrs,%notindom,
+        %othcrstool,%othcrsres,%duplicate,%prefixchg,%srcdom,%srcnum,%srcmapidx,
+        %marktomove,$save_err,$lockerrors,$allresult,%currcrsltitools,
+        %currltititles,$currltimax,$gotcrsltitools);
+    $currltimax = 0;
+    $gotcrsltitools = 0;
     foreach my $suffix (@topaste) {
         my $url=&LONCAPA::map::qtescape($env{'docs.markedcopy_url_'.$suffix});
+        my $cid=&LONCAPA::map::qtescape($env{'docs.markedcopy_crs_'.$suffix});
+        my $mapidx=&LONCAPA::map::qtescape($env{'docs.markedcopy_map_'.$suffix}); 
 # Supplemental content may only include certain types of content
 # Early out if pasted content is not supported in Supplemental area
         if ($folder =~ /^supplemental/) {
@@ -1489,18 +2464,77 @@ 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_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
+            if (($srcd ne $coursedom) || ($srcn ne $coursenum)) {
+                unless ($env{"user.priv.cm./$srcd/$srcn"} =~ /\Q:mdc&F\E/) {
+                    $notincrs{$suffix} = 1;
+                    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,
+# or if External Tool use is not permitted in this course.
+            if ($url =~ m{^/adm/($match_domain)/($match_courseid)/(\d+)/ext\.tool$}) {
+                my ($toolcdom,$toolcnum,$marker) = ($1,$2,$3);
+                if ($toolcdom ne $coursedom) {
+                    $notindom{$suffix} = 1;
+                    next;
+                } elsif ($toolcnum ne $coursenum) {
+                    my %toolsettings =
+                        &Apache::lonnet::dump('exttool_'.$marker,$toolcdom,$toolcnum);
+                    my %tooltypes = &Apache::loncommon::usable_exttools();
+                    if ((($toolsettings{'id'} =~ /^c\d+$/) && (!$tooltypes{'crs'})) ||
+                        (($toolsettings{'id'} =~ /^\d+$/) && (!$tooltypes{'dom'}))) {
+                        $othcrstool{$suffix} = 1;
+                        next;
+                    }
+                    if ($toolsettings{'id'} =~ /^c\d+$/) {
+                        unless ($gotcrsltitools) {
+                            %currcrsltitools =
+                                &Apache::lonnet::get_course_lti($coursenum,$coursedom,'consumer');
+                            foreach my $item (sort(keys(%currcrsltitools))) {
+                                if (ref($currcrsltitools{$item}) eq 'HASH') {
+                                    $currltimax ++;
+                                    if (ref($currltititles{$currcrsltitools{$item}{'title'}}) eq 'ARRAY') {
+                                        push(@{$currltititles{$currcrsltitools{$item}{'title'}}},$item);
+                                    } else {
+                                        $currltititles{$currcrsltitools{$item}{'title'}} = [$item];
+                                    }
+                                }
+                            }
+                            $gotcrsltitools = 1;
+                        }
+                    }
+                }
+            }
+            $srcdom{$suffix} = $srcd;
+            $srcnum{$suffix} = $srcn;
+        } elsif ($url =~ m{^/res/($match_domain)/($match_courseid)/}) {
+            my ($audom,$auname) = ($1,$2);
+# When buffer was populated using an active role in a different course
+# disallow pasting of published resources from Course Authoring Space
+            unless (($auname eq $coursenum) && ($audom eq $coursedom)) {
+                if (&Apache::lonnet::is_course($audom,$auname)) {
+                    $othcrsres{$suffix} = 1;
+                    next;
+                }
+            }
         }
-
+        $srcmapidx{$suffix} = $mapidx;
         push(@dopaste,$suffix);
         if ($url=~/\.(page|sequence)$/) {
             $is_map{$suffix} = 1; 
         }
-
         if ($url =~ m{^/uploaded/$match_domain/$match_courseid/([^/]+)}) {
             my $oldprefix = $1;
 # When pasting content from Main Content to Supplemental Content and vice versa 
 # URLs will contain different paths (which depend on whether pasted item is
-# a folder/page or a document.   
+# a folder/page or a document).
             if (($folder =~ /^supplemental/) && (($oldprefix =~ /^default/) || ($oldprefix eq 'docs'))) {
                 $prefixchg{$suffix} = 'docstosupp';
             } elsif (($folder =~ /^default/) && ($oldprefix =~ /^supplemental/)) {
@@ -1540,6 +2574,9 @@ 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 domain.',
+                othcrstool => 'Paste failed: Item is an external tool from a different course, for which use is not allowed in this course.',
+                othcrsres => 'Paste failed: Item is a course-authored resource from a different course',
                 duplicate => 'Paste failed: only one instance of a particular published sequence or page is allowed within each course.',
             );
 
@@ -1568,32 +2605,36 @@ sub do_paste_from_buffer {
 # Retrieve information about all course maps in main content area 
 
     my $allmaps = {};
-    if ($folder =~ /^default/) {
-        $allmaps =
-            &Apache::loncommon::allmaps_incourse($coursedom,$coursenum,
-                                                 $env{"course.$env{'request.course.id'}.home"},
-                                                 $env{'request.course.id'});
-    }
-
-    my (@toclear,%mapurls,%lockerrs,%msgerrs,%results);
+    my (@toclear,%mapurls,%lockerrs,%msgerrs,%results,$donechk,
+        @updatetoolsenc,$updatetoolscache,$checkedsameinst,
+        $same_institution);
 
 # Loop over the items to paste
     foreach my $suffix (@dopaste) {
 # Maps need to be copied first
         my (%removefrommap,%removeparam,%addedmaps,%rewrites,%retitles,%copies,
             %dbcopies,%zombies,%params,%docmoves,%mapmoves,%mapchanges,%newsubdir,
-            %newurls,%tomove);
+            %newurls,%tomove,%resdatacopy);
         if (ref($marktomove{$suffix}) eq 'ARRAY') {
             map { $tomove{$_} = 1; } @{$marktomove{$suffix}};
         }
         my $url=&LONCAPA::map::qtescape($env{'docs.markedcopy_url_'.$suffix});
         my $title=&LONCAPA::map::qtescape($env{'docs.markedcopy_title_'.$suffix});
+        my $cid=&LONCAPA::map::qtescape($env{'docs.markedcopy_crs_'.$suffix}); 
         my $oldurl = $url;
         if ($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);
+            if (($folder =~ /^default/) && (!$donechk)) {
+                $allmaps =
+                    &Apache::loncommon::allmaps_incourse($coursedom,$coursenum,
+                                                         $env{"course.$env{'request.course.id'}.home"},
+                                                         $env{'request.course.id'});
+                $donechk = 1;
+            }
+            &contained_map_check($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') {
@@ -1623,7 +2664,7 @@ sub do_paste_from_buffer {
                                               \%retitles,\%copies,\%dbcopies,
                                               \%zombies,\%params,\%mapmoves,
                                               \%mapchanges,\%tomove,\%newsubdir,
-                                              \%newurls)) {
+                                              \%newurls,\%resdatacopy)) {
                         $mapmoves{$url} = 1;
                     }
                     $url = $newurl;
@@ -1632,10 +2673,10 @@ sub do_paste_from_buffer {
                                       $coursenum,$srcdom{$suffix},$srcnum{$suffix},
                                       $allmaps,\%rewrites,\%retitles,\%copies,\%dbcopies,
                                       \%zombies,\%params,\%mapmoves,\%mapchanges,
-                                      \%tomove,\%newsubdir,\%newurls); 
+                                      \%tomove,\%newsubdir,\%newurls,\%resdatacopy);
                 }
             } elsif ($url=~m {^/res/}) {
-# published map can only exists once, so remove from paste buffer when done
+# published map can only exist once, so remove from paste buffer when done
                 push(@toclear,$suffix);
 # if pasting published map (main content area only) check map not already in course
                 if ($folder =~ /^default/) {
@@ -1646,18 +2687,46 @@ 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.
             my %info = (
                          src  => $url,
                          cdom => $coursedom,
                          cnum => $coursenum,
-            );
-            unless ($env{'form.docs.markedcopy_options_'.$suffix} eq 'move') {
-                my (%lockerr,$msg); 
+                       );
+            if ($prefix eq 'ext.tool') {
+                if ($prefixchg{$suffix} eq 'docstosupp') {
+                    $info{'delgradable'} = 1;
+                }
+            }
+            if (($srcdom{$suffix} =~ /^$match_domain$/) && ($srcnum{$suffix} =~ /^$match_courseid$/)) {
+                unless (($srcdom{$suffix} eq $coursedom) && ($srcnum{$suffix} eq $coursenum)) {
+                    $fromothercrs = 1;
+                    $info{'cdom'} = $srcdom{$suffix};
+                    $info{'cnum'} = $srcnum{$suffix};
+                    unless ($checkedsameinst) {
+                        my $primary_id = &Apache::lonnet::domain($coursedom,'primary');
+                        my $intdom = &Apache::lonnet::internet_dom($primary_id);
+                        if ($intdom ne '') {
+                            my $internet_names =
+                                &Apache::lonnet::get_internet_names($Apache::lonnet::perlvar{'lonHostID'});
+                            if (ref($internet_names) eq 'ARRAY') {
+                                if (grep(/^\Q$intdom\E$/,@{$internet_names})) {
+                                    $same_institution = 1;
+                                }
+                            }
+                        }
+                        $checkedsameinst = 1;
+                    }
+                }
+            }
+            unless (($env{'form.docs.markedcopy_options_'.$suffix} eq 'move') && (!$fromothercrs)) {
+                my (%lockerr,$msg);
                 my ($newurl,$result,$errtext) =
-                    &dbcopy(\%info,$coursedom,$coursenum,\%lockerr);
+                    &dbcopy(\%info,$coursedom,$coursenum,\%lockerr,\%currltititles,
+                            \$currltimax,\@updatetoolsenc,\$updatetoolscache,$same_institution);
                 if ($result eq 'ok') {
                     $url = $newurl;
                     $title=&mt('Copy of').' '.$title;
@@ -1666,6 +2735,8 @@ 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} = $msg;
@@ -1673,7 +2744,7 @@ sub do_paste_from_buffer {
                     next;
 	        }
                 if ($lockerr{$prefix}) {
-                    $lockerrs{$suffix} = $lockerr{$prefix};
+                    $lockerrs{$suffix} = $lockerr{$prefix};  
                 }
             }
         }
@@ -1713,7 +2784,7 @@ sub do_paste_from_buffer {
                         $newdocsdir = 'default';
                     }
                     if (($prefixchg{$suffix}) ||
-                        ($srcdom{$suffix} ne $coursedom) || 
+                        ($srcdom{$suffix} ne $coursedom) ||
                         ($srcnum{$suffix} ne $coursenum) ||
                         ($env{'form.docs.markedcopy_options_'.$suffix} ne 'move')) {
                         my $newpath = "$newprefix/$newdocsdir/$newidx/$rem";
@@ -1730,6 +2801,24 @@ sub do_paste_from_buffer {
                         }
                     }
                 }
+            } elsif ($url =~ m{^/res/lib/templates/(\w+)\.problem$}) {
+                my $template = $1;
+                if ($newidx) {
+                    &copy_templated_files($url,$srcdom{$suffix},$srcnum{$suffix},$srcmapidx{$suffix},
+                                          $coursedom,$coursenum,$template,$newidx,"$folder.$container");
+                }
+            } elsif ($url =~ /ext\.tool$/) {
+                if (($newidx) && ($folder=~/^default/)) {
+                    my $marker = (split(m{/},$url))[4];
+                    my %toolsettings = &Apache::lonnet::dump('exttool_'.$marker,$coursedom,$coursenum);
+                    my $val = 'no';
+                    if ($toolsettings{'gradable'}) {
+                        $val = 'yes';
+                    }
+                    &LONCAPA::map::storeparameter($newidx,'parameter_0_gradable',$val,
+                                                  'string_yesno');
+                    &remember_parms($newidx,'gradable','set',$val);
+                }
             }
             $LONCAPA::map::resources[$newidx]=$title.':'.&LONCAPA::map::qtunescape($url).
                                               ':'.$ext.':normal:res';
@@ -1743,7 +2832,8 @@ sub do_paste_from_buffer {
             }
         }
 
-# Apply any changes to maps, or copy dependencies for uploaded HTML pages 
+# Apply any changes to maps, or copy dependencies for uploaded HTML pages, or update
+# resourcedata for simpleproblems copied from another course 
         unless ($allresult eq 'fail') {
             my %updated = (
                             rewrites      => \%rewrites,
@@ -1751,6 +2841,7 @@ sub do_paste_from_buffer {
                             removefrommap => \%removefrommap,
                             removeparam   => \%removeparam,
                             dbcopies      => \%dbcopies,
+                            resdatacopy   => \%resdatacopy,
                             retitles      => \%retitles,
                           );
             my %info = (
@@ -1804,6 +2895,10 @@ sub do_paste_from_buffer {
             }
         }
     }
+    if (($updatetoolscache) || (@updatetoolsenc)) {
+        &update_ltitools_caches($coursedom,$coursenum,$updatetoolscache,
+                                \@updatetoolsenc);
+    }
     &clear_from_buffer(\@toclear,\@currpaste);
     my $msgsarray;
     foreach my $suffix (keys(%msgs)) {
@@ -1852,6 +2947,30 @@ sub clear_from_buffer {
     return $numdel;
 }
 
+sub update_ltitools_caches {
+    my ($coursedom,$coursenum,$updatetoolscache,$updatetoolsenc) = @_;
+    my $hashid=$coursedom.'_'.$coursenum;
+    if ($updatetoolscache) {
+        &Apache::lonnet::devalidate_cache_new('courseltitools',$hashid);
+    }
+    if ((ref($updatetoolsenc) eq 'ARRAY') &&
+        (@{$updatetoolsenc})) {
+        my @ids=&Apache::lonnet::current_machine_ids();
+        my $updatedone;
+        foreach my $lonhost (@{$updatetoolsenc}) {
+            if (grep(/^\Q$lonhost\E$/,@ids)) {
+                unless ($updatedone) {
+                    &Apache::lonnet::devalidate_cache_new('crsltitoolsenc',$hashid);
+                }
+                $updatedone = 1;
+            } else {
+                &Apache::lonnet::remote_devalidate_cache($lonhost,["crsltitoolsenc:$hashid"]);
+            }
+        }
+    }
+    return;
+}
+
 sub get_newmap_url {
     my ($url,$folder,$prefixchg,$coursedom,$coursenum,$srcdom,$srcnum,
         $titleref,$allmaps,$newurls) = @_;
@@ -1913,13 +3032,17 @@ sub get_newmap_url {
 }
 
 sub dbcopy {
-    my ($dbref,$coursedom,$coursenum,$lockerrorsref) = @_;
+    my ($dbref,$coursedom,$coursenum,$lockerrorsref,$currltititles,
+        $currltimax,$updatetoolsenc,$updatetoolscache,$same_institution) = @_;
     my ($url,$result,$errtext);
-    $url = $dbref->{'src'};
     if (ref($dbref) eq 'HASH') {
-        if ($url =~ m{/(smppg|bulletinboard)$}) {
+        $url = $dbref->{'src'};
+        if ($url =~ m{/(smppg|bulletinboard|ext\.tool)$}) {
             my $prefix = $1;
-            if (($dbref->{'cdom'} =~ /^$match_domain$/) &&
+            if ($prefix eq 'ext.tool') {
+                $prefix = 'exttool';
+            }
+            if (($dbref->{'cdom'} =~ /^$match_domain$/) && 
                 ($dbref->{'cnum'} =~ /^$match_courseid$/)) {
                 my $db_name;
                 my $marker = (split(m{/},$url))[4];
@@ -1929,6 +3052,8 @@ 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;
                 }
@@ -1939,6 +3064,8 @@ 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);
                     }
@@ -1950,6 +3077,117 @@ sub dbcopy {
                     my %contents=&Apache::lonnet::dump($db_name,
                                                        $dbref->{'cdom'},
                                                        $dbref->{'cnum'});
+                    my ($toolcopyerror,$toolpassback,$toolroster,%toolinfo,$oldtoolid,$defincrs);
+                    if ($url eq '/adm/'.$dbref->{'cdom'}.'/'.$dbref->{'cnum'}."/$marker/ext.tool") {
+                        if ($contents{'id'} =~ /^(|c)(\d+)$/) {
+                            $oldtoolid = $2;
+                            if ($1 eq 'c') {
+                                $defincrs = 1;
+                                %toolinfo =
+                                    &Apache::lonnet::get('ltitools',[$oldtoolid],$dbref->{'cdom'},$dbref->{'cnum'});
+                            } else {
+                                %toolinfo= &Apache::lonnet::get_domain_lti($dbref->{'cdom'},'consumer');
+                            }
+                            if (ref($toolinfo{$oldtoolid}) eq 'HASH') {
+                                if ($toolinfo{$oldtoolid}{'passback'}) {
+                                    $toolpassback = 1;
+                                }
+                                if ($toolinfo{$oldtoolid}{'roster'}) {
+                                    $toolroster = 1;
+                                }
+                            } else {
+                                $toolcopyerror = 1;
+                                $errtext = &mt('Could not retrieve original settings for pasted external tool.');
+                            }
+                        }
+                        unless (($dbref->{'cnum'} eq $coursenum) && ($dbref->{'cdom'} eq $coursedom)) {
+                            $url = "/adm/$coursedom/$coursenum/$marker/ext.tool";
+                            if ($contents{'crstitle'} ne '') {
+                                $contents{'crstitle'} = $env{'course.'.$coursedom.'_'.$coursenum.'.description'};
+                            }
+                            if (($defincrs) && (!$toolcopyerror)) {
+                                my %newtool;
+                                my $oldcdom = $dbref->{'cdom'};
+                                my $oldcnum = $dbref->{'cnum'};
+                                my $title = $toolinfo{$oldtoolid}{'title'};
+                                if (ref($currltititles) eq 'HASH') {
+                                    if (exists($currltititles->{$title})) {
+                                        $title .= ' (copied from another course)';
+                                    }
+                                }
+                                my ($newid,$iderror) =
+                                    &Apache::lonnet::get_ltitools_id('course',$coursedom,$coursenum,$title);
+                                if ($newid =~ /^\d+$/) {
+                                    %{$newtool{$newid}} = %{$toolinfo{$oldtoolid}};
+                                    $newtool{$newid}{'title'} = $title;
+                                    if (ref($currltimax)) {
+                                        $newtool{$newid}{'order'} = $$currltimax;
+                                    }
+                                    if ($newtool{$newid}{'image'} =~ m{^\Q/uploaded/$oldcdom/$oldcnum/toollogo/$oldtoolid/\E([^/]+)$}) {
+                                        my $fname = $1;
+                                        my $content = &Apache::lonnet::getfile($newtool{$newid}{'image'});
+                                        if ($content eq '-1') {
+                                            delete($newtool{$newid}{'image'});
+                                        } else {
+                                            $env{'form.'.$suffix.'.image'} = $content;
+                                            my $newlogo =
+                                                &Apache::lonnet::finishuserfileupload($coursenum,$coursedom,$suffix.'.image',"toollogo/$newid/$fname");
+                                            delete($env{'form.'.$suffix.'.image'});
+                                            if ($newlogo =~ m{^/uploaded/}) {
+                                                $newtool{$newid}{'image'} = $newlogo;
+                                            } else {
+                                                delete($newtool{$newid}{'image'});
+                                            }
+                                        }
+                                    }
+                                    my $newusable;
+                                    if ($same_institution) {
+                                        my %oldtoolsenc = &Apache::lonnet::eget('nohist_toolsenc',[$oldtoolid],$oldcdom,$oldcnum);
+                                        if (ref($oldtoolsenc{$oldtoolid}) eq 'HASH') {
+                                            my %newtoolsenc;
+                                            %{$newtoolsenc{$newid}} = %{$oldtoolsenc{$oldtoolid}};
+                                            my $putres = &Apache::lonnet::put('nohist_toolsenc',\%newtoolsenc,$coursedom,$coursenum,1);
+                                            if ($putres eq 'ok') {
+                                                if (ref($updatetoolsenc) eq 'ARRAY') {
+                                                    my $newhome = &Apache::lonnet::homeserver($coursenum,$coursedom);
+                                                    unless (grep(/^\Q$newhome\E$/,@{$updatetoolsenc})) {
+                                                        push(@{$updatetoolsenc},$newhome);
+                                                    }
+                                                }
+                                                $newusable = 1;
+                                            }
+                                        }
+                                    }
+                                    if ($newtool{$newid}{'usable'}) {
+                                        unless ($newusable) {
+                                            delete($newtool{$newid}{'usable'});
+                                        }
+                                    }
+                                    my $putres = &Apache::lonnet::put('ltitools',\%newtool,$coursedom,$coursenum);
+                                    if ($putres eq 'ok') {
+                                        $contents{'id'} = "c$newid";
+                                        if (ref($updatetoolscache)) {
+                                            $$updatetoolscache ++;
+                                        }
+                                        if (ref($currltititles->{$title}) eq 'ARRAY') {
+                                            push(@{$currltititles->{$title}},$newid);
+                                        } else {
+                                            $currltititles->{$title} = [$newid];
+                                        }
+                                        if (ref($currltimax)) {
+                                            $$currltimax ++;
+                                        }
+                                    } else {
+                                        $toolcopyerror = 1;
+                                        $errtext = &mt('Unable to save external tool definition in Course Settings.');
+                                    }
+                                } else {
+                                    $toolcopyerror = 1;
+                                    $errtext = &mt('Unable to retrieve new tool ID when adding external tool definition to Course Settings.');
+                                }
+                            }
+                        }
+                    }
                     if (exists($contents{'uploaded.photourl'})) {
                         my $photo = $contents{'uploaded.photourl'};
                         my ($subdir,$fname) =
@@ -1959,7 +3197,7 @@ sub dbcopy {
                             my $content = &Apache::lonnet::getfile($photo);
                             unless ($content eq '-1') {
                                 $env{'form.'.$suffix.'.photourl'} = $content;
-                                $newphoto =
+                                $newphoto = 
                                     &Apache::lonnet::finishuserfileupload($coursenum,$coursedom,$suffix.'.photourl',"$subdir/$suffix/$fname");
                                 delete($env{'form.'.$suffix.'.photourl'});
                             }
@@ -1969,10 +3207,40 @@ sub dbcopy {
                         }
                     }
                     $db_name =~ s{_\d*$ }{_$suffix}x;
-                    $result=&Apache::lonnet::put($db_name,\%contents,
-                                                 $coursedom,$coursenum);
-                    if ($result eq 'ok') {
-                        $url =~ s{/(\d*)/(smppg|bulletinboard)$}{/$suffix/$2}x;
+                    if ($prefix eq 'exttool') {
+                        unless ($toolcopyerror) {
+                            foreach my $key ('oldgradesecret','gradesecret','gradesecretdate','oldrostersecret','rostersecret','rostersecretdate') {
+                                if (exists($contents{$key})) {
+                                    delete($contents{$key});
+                                }
+                            }
+                            if ($dbref->{'delgradable'}) {
+                                if (exists($contents{'gradable'})) {
+                                    delete($contents{'gradable'});
+                                }
+                            }
+                            if ($toolpassback) {
+                                if ($contents{'gradable'}) {
+                                    my $gradesecret = UUID::Tiny::create_uuid_as_string(UUID_V4);
+                                    $contents{'gradesecret'} = $gradesecret;
+                                    $contents{'gradesecretdate'} = time;
+                                }
+                            }
+                            if ($toolroster) {
+                                my $rostersecret = UUID::Tiny::create_uuid_as_string(UUID_V4);
+                                $contents{'rostersecret'} = $rostersecret;
+                                $contents{'rostersecretdate'} = time;
+                            }
+                        }
+                    }
+                    if (($prefix eq 'exttool') && ($toolcopyerror)) {
+                        $result = 'error';
+                    } else {
+                        $result=&Apache::lonnet::put($db_name,\%contents,
+                                                     $coursedom,$coursenum);
+                        if ($result eq 'ok') {
+                            $url =~ s{/(\d*)/(smppg|bulletinboard|ext\.tool)$}{/$suffix/$2}x;
+                        }
                     }
                 }
                 if (($freedlock ne 'ok') && (ref($lockerrorsref) eq 'HASH')) {
@@ -1982,6 +3250,9 @@ sub dbcopy {
                     if ($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.');
                     }
@@ -2007,6 +3278,97 @@ sub dbcopy {
     return ($url,$result,$errtext);
 }
 
+sub copy_templated_files {
+    my ($srcurl,$srcdom,$srcnum,$srcmapinfo,$coursedom,$coursenum,$template,$newidx,$newmapname) = @_;
+    my ($srcfolder,$srcid,$srcwaspage) = split(/:/,$srcmapinfo);
+    my $srccontainer = 'sequence';
+    if ($srcwaspage) {
+        $srccontainer = 'page';
+    }
+    my $srcsymb = "uploaded/$srcdom/$srcnum/$srcfolder.$srccontainer".
+                  '___'.$srcid.'___'.&Apache::lonnet::declutter($srcurl);
+    my $srcprefix = $srcdom.'_'.$srcnum.'.'.$srcsymb;
+    my %srcparms=&Apache::lonnet::dump('resourcedata',$srcdom,$srcnum,$srcprefix);
+    my $newsymb = "uploaded/$coursedom/$coursenum/$newmapname".'___'.$newidx.'___lib/templates/'.
+                  $template.'.problem';
+    my $newprefix = $coursedom.'_'.$coursenum.'.'.$newsymb;
+    if ($template eq 'simpleproblem') {
+        $srcprefix .= '.0.';
+        my $weightprefix = $newprefix;
+        $newprefix .= '.0.';
+        my @simpleprobqtypes = qw(radio option string essay numerical);
+        my $qtype=$srcparms{$srcprefix.'questiontype'};
+        if (grep(/^\Q$qtype\E$/,@simpleprobqtypes)) {
+            my %newdata = (
+                $newprefix.'questiontype' => $qtype,
+            );
+            foreach my $type (@simpleprobqtypes) {
+                if ($type eq $qtype) {
+                    $newdata{"$weightprefix.$type.weight"}=1;
+                } else {
+                    $newdata{"$weightprefix.$type.weight"}=0;
+                }
+            }
+            $newdata{$newprefix.'hiddenparts'} = '!'.$qtype;
+            $newdata{$newprefix.'questiontext'} = $srcparms{$srcprefix.'questiontext'};
+            $newdata{$newprefix.'hinttext'} = $srcparms{$srcprefix.'hinttext'};
+            if ($qtype eq 'numerical') {
+                $newdata{$newprefix.'numericalscript'} = $srcparms{$srcprefix.'numericalscript'};
+                $newdata{$newprefix.'numericalanswer'} = $srcparms{$srcprefix.'numericalanswer'};
+                $newdata{$newprefix.'numericaltolerance'} = $srcparms{$srcprefix.'numericaltolerance'};
+                $newdata{$newprefix.'numericalsigfigs'} = $srcparms{$srcprefix.'numericalsigfigs'};
+            } elsif (($qtype eq 'option') || ($qtype eq 'radio')) {
+                my $maxfoils=$srcparms{$srcprefix.'maxfoils'};
+                unless (defined($maxfoils)) { $maxfoils=10; }
+                    unless ($maxfoils=~/^\d+$/) { $maxfoils=10; }
+                        if ($maxfoils<=0) { $maxfoils=10; }
+                            my $randomize=$srcparms{$srcprefix.'randomize'};
+                            unless (defined($randomize)) { $randomize='yes'; }
+                            unless ($randomize eq 'no') { $randomize='yes'; }
+                            $newdata{$newprefix.'maxfoils'} = $maxfoils;
+                            $newdata{$newprefix.'randomize'} = $randomize;
+                            if ($qtype eq 'option') {
+                                $newdata{$newprefix.'options'} = $srcparms{$srcprefix.'options'};
+                            }
+                            for (my $i=1; $i<=10; $i++) {
+                                $newdata{$newprefix.'value'.$i} = $srcparms{$srcprefix.'value'.$i};
+                                $newdata{$newprefix.'position'.$i} = $srcparms{$srcprefix.'position'.$i};
+                                $newdata{$newprefix.'text'.$i} = $srcparms{$srcprefix.'text'.$i};
+                            }
+
+            } elsif (($qtype eq 'option') || ($qtype eq 'radio')) {
+                my $maxfoils=$srcparms{$srcprefix.'maxfoils'};
+                unless (defined($maxfoils)) { $maxfoils=10; }
+                unless ($maxfoils=~/^\d+$/) { $maxfoils=10; }
+                if ($maxfoils<=0) { $maxfoils=10; }
+                my $randomize=$srcparms{$srcprefix.'randomize'};
+                unless (defined($randomize)) { $randomize='yes'; }
+                unless ($randomize eq 'no') { $randomize='yes'; }
+                $newdata{$newprefix.'maxfoils'} = $maxfoils;
+                $newdata{$newprefix.'randomize'} = $randomize;
+                if ($qtype eq 'option') {
+                    $newdata{$newprefix.'options'} = $srcparms{$srcprefix.'options'};
+                }
+                for (my $i=1; $i<=10; $i++) {
+                    $newdata{$newprefix.'value'.$i} = $srcparms{$srcprefix.'value'.$i};
+                    $newdata{$newprefix.'position'.$i} = $srcparms{$srcprefix.'position'.$i};
+                    $newdata{$newprefix.'text'.$i} = $srcparms{$srcprefix.'text'.$i};
+                }
+            } elsif ($qtype eq 'string') {
+                $newdata{$newprefix.'stringanswer'} = $srcparms{$srcprefix.'stringanswer'};
+                $newdata{$newprefix.'stringtype'} = $srcparms{$srcprefix.'stringtype'};
+            }
+            if (keys(%newdata)) {
+                my $putres = &Apache::lonnet::cput('resourcedata',\%newdata,$coursedom,
+                                                   $coursenum);
+                if ($putres eq 'ok') {
+                    &Apache::lonnet::devalidatecourseresdata($coursenum,$coursedom);
+                }
+            }
+        }
+    }
+}
+
 sub uniqueness_check {
     my ($newurl) = @_;
     my $unique = 1;
@@ -2022,8 +3384,8 @@ 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 $parser = HTML::TokeParser->new(\$content);
@@ -2033,12 +3395,37 @@ sub contained_map_check {
             if ($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 ($srcdom,$srcnum,$marker) = ($1,$2,$3);
+                    unless ($srcdom eq $coursedom) {
+                        $removefrommap->{$url}{$token->[2]->{'id'}} = $ressrc;
+                        next;
+                    }
+                    unless ($srcnum eq $coursenum) {
+                        my %toolsettings =
+                            &Apache::lonnet::dump('exttool_'.$marker,$srcdom,$srcnum);
+                        my %tooltypes = &Apache::loncommon::usable_exttools();
+                        if ((($toolsettings{'id'} =~ /^c\d+$/) && (!$tooltypes{'crs'})) ||
+                            (($toolsettings{'id'} =~ /^\d+$/) && (!$tooltypes{'dom'}))) {
+                            $removefrommap->{$url}{$token->[2]->{'id'}} = $ressrc;
+                            next;
+                        }
+                    }
+                } elsif ($folder =~ /^supplemental/) {
                     unless (&supp_pasteable($ressrc)) {
                         $removefrommap->{$url}{$token->[2]->{'id'}} = $ressrc;
                         next;
                     }
                 }
+                if ($ressrc =~ m{^/res/($match_domain)/($match_courseid)/}) {
+                    my ($srcdom,$srcnum) = ($1,$2);
+                    unless (($srcnum eq $coursenum) && ($srcdom eq $coursedom)) {
+                        if (&Apache::lonnet::is_course($srcdom,$srcnum)) {
+                            $removefrommap->{$url}{$token->[2]->{'id'}} = $ressrc;
+                            next;
+                        }
+                    }
+                }
                 if ($ressrc =~ m{^/(res|uploaded)/.+\.(sequence|page)$}) {
                     if ($1 eq 'uploaded') {
                         $hierarchy->{$url}{$token->[2]->{'id'}} = $ressrc;
@@ -2052,8 +3439,8 @@ 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 ($folder =~ /^supplemental/) {
@@ -2072,7 +3459,7 @@ sub contained_map_check {
 sub url_paste_fixups {
     my ($oldurl,$folder,$prefixchg,$cdom,$cnum,$fromcdom,$fromcnum,$allmaps,
         $rewrites,$retitles,$copies,$dbcopies,$zombies,$params,$mapmoves,
-        $mapchanges,$tomove,$newsubdir,$newurls) = @_;
+        $mapchanges,$tomove,$newsubdir,$newurls,$resdatacopy) = @_;
     my $checktitle;
     if (($prefixchg) &&
         ($oldurl =~ m{^/uploaded/$match_domain/$match_courseid/supplemental})) {
@@ -2104,7 +3491,7 @@ sub url_paste_fixups {
             }
             next if ($token->[2]->{'type'} eq 'external');
             if ($token->[2]->{'type'} eq 'zombie') {
-                next if ($skip);
+                next if ($skip);  
                 $zombies->{$oldurl}{$id} = $ressrc;
                 $changed = 1;
             } elsif ($ressrc =~ m{^/uploaded/($match_domain)/($match_courseid)/(.+)$}) {
@@ -2121,7 +3508,7 @@ sub url_paste_fixups {
                                           $srcdom,$srcnum,$allmaps,$rewrites,
                                           $retitles,$copies,$dbcopies,$zombies,
                                           $params,$mapmoves,$mapchanges,$tomove,
-                                          $newsubdir,$newurls);
+                                          $newsubdir,$newurls,$resdatacopy);
                         next;
                     } else {
                         ($newurl,my $error) =
@@ -2145,7 +3532,7 @@ sub url_paste_fixups {
                                                   $cnum,$srcdom,$srcnum,$allmaps,
                                                   $rewrites,$retitles,$copies,$dbcopies,
                                                   $zombies,$params,$mapmoves,$mapchanges,
-                                                  $tomove,$newsubdir,$newurls)) {
+                                                  $tomove,$newsubdir,$newurls,$resdatacopy)) {
                             $mapmoves->{$ressrc} = 1;
                         }
                         $changed = 1;
@@ -2155,16 +3542,38 @@ sub url_paste_fixups {
                         $changed = 1;
                     }
                 }
-            } elsif ($ressrc =~ m{^/adm/($match_domain)/($match_courseid)/.+$}) {
+            } elsif ($ressrc =~ m{^/adm/($match_domain)/($match_courseid)/(.+)$}) {
                 next if ($skip);
                 my $srcdom = $1;
                 my $srcnum = $2;
+                my $rem = $3;
+                my ($is_exttool,$exttoolchg);
+                if ($rem =~ m{\d+/ext\.tool$}) {
+                    $is_exttool = 1;
+                }
                 if (($srcdom ne $cdom) || ($srcnum ne $cnum)) {
                     $rewrites->{$oldurl}{$id} = $ressrc;
                     $dbcopies->{$oldurl}{$id}{'src'} = $ressrc;
                     $dbcopies->{$oldurl}{$id}{'cdom'} = $srcdom;
                     $dbcopies->{$oldurl}{$id}{'cnum'} = $srcnum;
                     $changed = 1;
+                    if ($is_exttool) {
+                        $exttoolchg = 1;
+                    }
+                } elsif (($is_exttool) &&
+                         ($env{'form.docs.markedcopy_options'} ne 'move')) {
+                    $dbcopies->{$oldurl}{$id}{'src'} = $ressrc;
+                    $dbcopies->{$oldurl}{$id}{'cdom'} = $srcdom;
+                    $dbcopies->{$oldurl}{$id}{'cnum'} = $srcnum;
+                    $changed = 1;
+                    $exttoolchg = 1;
+                }
+                if (($is_exttool) && ($prefixchg)) {
+                    if ($oldurl =~ m{^/uploaded/$match_domain/$match_courseid/default}) {
+                        if ($exttoolchg) {
+                            $dbcopies->{$oldurl}{$id}{'delgradable'} = 1;
+                        }
+                    }
                 }
             } elsif ($ressrc =~ m{^/adm/$match_domain/$match_username/\d+/(smppg|bulletinboard)$}) {
                 if (($fromcdom ne $cdom) || ($fromcnum ne $cnum) ||
@@ -2174,6 +3583,12 @@ sub url_paste_fixups {
                     $dbcopies->{$oldurl}{$id}{'cnum'} = $fromcnum;
                     $changed = 1;
                 }
+            } elsif ($ressrc eq '/res/lib/templates/simpleproblem.problem') {
+                if (($fromcdom ne $cdom) || ($fromcnum ne $cnum)) {
+                    $resdatacopy->{$oldurl}{$id}{'src'} = $ressrc;
+                    $resdatacopy->{$oldurl}{$id}{'cdom'} = $fromcdom;
+                    $resdatacopy->{$oldurl}{$id}{'cnum'} = $fromcnum;
+                }
             } elsif ($ressrc =~ m{^/public/($match_domain)/($match_courseid)/(.+)$}) {
                 next if ($skip);
                 my $srcdom = $1;
@@ -2205,7 +3620,9 @@ sub apply_fixups {
         $oldurl,$url,$caller) = @_;
     my (%rewrites,%zombies,%removefrommap,%removeparam,%dbcopies,%retitles,
         %params,%newsubdir,%before,%after,%copies,%docmoves,%mapmoves,@msgs,
-        %lockerrors,$lockmsg);
+        %resdatacopy,%lockerrors,$lockmsg,%currcrsltitools,$gotcrsltitools,
+        %currltititles,$currltimax);
+    $currltimax = 0;
     if (ref($updated) eq 'HASH') {
         if (ref($updated->{'rewrites'}) eq 'HASH') {
             %rewrites = %{$updated->{'rewrites'}};
@@ -2225,6 +3642,9 @@ sub apply_fixups {
         if (ref($updated->{'retitles'}) eq 'HASH') {
             %retitles = %{$updated->{'retitles'}};
         }
+        if (ref($updated->{'resdatacopy'}) eq 'HASH') {
+            %resdatacopy = %{$updated->{'resdatacopy'}};
+        }
     }
     if (ref($info) eq 'HASH') {
         if (ref($info->{'newsubdir'}) eq 'HASH') {
@@ -2318,6 +3738,15 @@ sub apply_fixups {
             $storefn =~ s/^((?:default|supplemental)_)(\d+)/$1$newsubdir{$key}/;
         }
         my $mapcontent = &Apache::lonnet::getfile($key);
+        if (($mapcontent eq '-1') && ($before{'map'} eq 'supplemental') &&
+            ($after{'map'} eq 'default') &&
+            ($key =~ m{^/uploaded/$match_domain/$match_courseid/supplemental_\d+\.sequence$})) {
+            $mapcontent = '<map>'."\n".
+                          '<resource id="1" src="" type="start" />'."\n".
+                          '<link from="1" to="2" index="1" />'."\n".
+                          '<resource id="2" src="" type="finish" />'."\n".
+                          '</map>';
+        }
         if ($mapcontent eq '-1') {
             if (ref($errors) eq 'HASH') {
                 $errors->{$key} = 1;
@@ -2344,6 +3773,7 @@ sub apply_fixups {
                 }
             }
         }
+        my ($updatetoolscache,@updatetoolsenc,$same_institution,$checkedsameinst);
         foreach my $key (keys(%updates)) {
             my (%torewrite,%toretitle,%toremove,%remparam,%currparam,%zombie,%newdb);
             if (ref($rewrites{$key}) eq 'HASH') {
@@ -2364,10 +3794,63 @@ sub apply_fixups {
             if (ref($dbcopies{$key}) eq 'HASH') {
                 foreach my $idx (keys(%{$dbcopies{$key}})) {
                     if (ref($dbcopies{$key}{$idx}) eq 'HASH') {
+                        my $oldurl = $dbcopies{$key}{$idx}{'src'};
+                        my $oldcdom = $dbcopies{$key}{$idx}{'cdom'};
+                        my $oldcnum = $dbcopies{$key}{$idx}{'cnum'};
+                        my $oldmarker;
+                        if ($oldurl =~ m{^\Q/adm/$oldcdom/$oldcnum/\E(\d+)/ext\.tool$}) {
+                            $oldmarker = $1;
+                            unless (($gotcrsltitools) ||
+                                    (($oldcnum eq $cnum) && ($oldcdom eq $cdom))) {
+                                my %oldtoolsettings=&Apache::lonnet::dump('exttool_'.$oldmarker,$oldcdom,$oldcnum);
+                                if ($oldtoolsettings{'id'} =~ /^c\d+$/) {
+                                    unless ($gotcrsltitools) {
+                                        %currcrsltitools =
+                                            &Apache::lonnet::get_course_lti($cnum,$cdom,'consumer');
+                                        foreach my $item (sort(keys(%currcrsltitools))) {
+                                            if (ref($currcrsltitools{$item}) eq 'HASH') {
+                                                $currltimax ++;
+                                                if (ref($currltititles{$currcrsltitools{$item}{'title'}}) eq 'ARRAY') {
+                                                    push(@{$currltititles{$currcrsltitools{$item}{'title'}}},$item);
+                                                } else {
+                                                    $currltititles{$currcrsltitools{$item}{'title'}} = [$item];
+                                                }
+                                            }
+                                        }
+                                        $gotcrsltitools = 1;
+                                    }
+                                    unless ($checkedsameinst) {
+                                        my $primary_id = &Apache::lonnet::domain($cdom,'primary');
+                                        my $intdom = &Apache::lonnet::internet_dom($primary_id);
+                                        if ($intdom ne '') {
+                                            my $internet_names =
+                                                &Apache::lonnet::get_internet_names($Apache::lonnet::perlvar{'lonHostID'});
+                                            if (ref($internet_names) eq 'ARRAY') {
+                                                if (grep(/^\Q$intdom\E$/,@{$internet_names})) {
+                                                    $same_institution = 1;
+                                                }
+                                            }
+                                        }
+                                        $checkedsameinst = 1;
+                                    }
+                                }
+                            }
+                        }
                         my ($newurl,$result,$errtext) =
-                            &dbcopy($dbcopies{$key}{$idx},$cdom,$cnum,\%lockerrors);
+                            &dbcopy($dbcopies{$key}{$idx},$cdom,$cnum,\%lockerrors,\%currltititles,
+                                    \$currltimax,\@updatetoolsenc,\$updatetoolscache,$same_institution);
                         if ($result eq 'ok') {
                             $newdb{$idx} = $newurl;
+                            if ($newurl =~ /ext\.tool$/) {
+                                if ($torewrite{$idx} eq "/adm/$oldcdom/$oldcnum/$oldmarker/ext.tool") {
+                                    if ($newurl =~ m{^\Q/adm/$cdom/$cnum/\E(\d+)/ext.tool$}) {
+                                        my $newmarker = $1;
+                                        unless ($oldmarker eq $newmarker) {
+                                            $torewrite{$idx} = "/adm/$oldcdom/$oldcnum/$newmarker/ext.tool";
+                                        }
+                                    }
+                                }
+                            }
                         } elsif (ref($errors) eq 'HASH') {
                             $errors->{$key} = 1;
                         }
@@ -2375,6 +3858,36 @@ sub apply_fixups {
                     }
                 }
             }
+            if (ref($resdatacopy{$key}) eq 'HASH') {
+                my ($gotnewmapname,$newmapname,$srcfolder,$srccontainer);
+                foreach my $idx (keys(%{$resdatacopy{$key}})) {
+                    if (ref($resdatacopy{$key}{$idx}) eq 'HASH') {
+                        my $srcurl = $resdatacopy{$key}{$idx}{'src'};
+                        if ($srcurl =~ m{^/res/lib/templates/(\w+)\.problem$}) {
+                            my $template = $1;
+                            if (($resdatacopy{$key}{$idx}{'cdom'} =~ /^$match_domain$/) &&
+                                ($resdatacopy{$key}{$idx}{'cnum'} =~ /^$match_courseid$/)) {
+                                my $srcdom = $resdatacopy{$key}{$idx}{'cdom'};
+                                my $srcnum = $resdatacopy{$key}{$idx}{'cnum'};
+                                unless ($gotnewmapname) {
+                                    ($newmapname) = ($key =~ m{/([^/]+)$});
+                                    ($srcfolder,$srccontainer) = split(/\./,$newmapname);
+                                    if ($newsubdir{$key}) {
+                                        $newmapname =~ s/^((?:default|supplemental)_)(\d+)/$1$newsubdir{$key}/;
+                                    }
+                                    $gotnewmapname = 1;
+                                }
+                                my $srcmapinfo = $srcfolder.':'.$idx;
+                                if ($srccontainer eq 'page') {
+                                    $srcmapinfo .= ':1';
+                                }
+                                &copy_templated_files($srcurl,$srcdom,$srcnum,$srcmapinfo,$cdom,
+                                                      $cnum,$template,$idx,$newmapname);
+                            }
+                        }
+                    }
+                }
+            }
             if (ref($params{$key}) eq 'HASH') {
                 %currparam = %{$params{$key}};
             }
@@ -2390,7 +3903,8 @@ sub apply_fixups {
                     }
                 }
             }
-            for (my $i=0; $i<@LONCAPA::map::order; $i++) {
+            my $total = scalar(@LONCAPA::map::order) - 1;
+            for (my $i=$total; $i>=0; $i--) {
                 my $idx = $LONCAPA::map::order[$i];
                 if (defined($LONCAPA::map::resources[$idx])) {
                     my $changed;
@@ -2400,7 +3914,7 @@ sub apply_fixups {
                         splice(@LONCAPA::map::order,$i,1);
                         if (ref($currparam{$idx}) eq 'ARRAY') {
                             foreach my $name (@{$currparam{$idx}}) {
-                                &LONCAPA::map::delparameter($idx,'parameter_'.$name);
+                                &LONCAPA::map::delparameter($idx,$name);
                             }
                         }
                         next;
@@ -2442,7 +3956,7 @@ sub apply_fixups {
             foreach my $idx (keys(%remparam)) {
                 if (ref($remparam{$idx}) eq 'ARRAY') {
                     foreach my $name (@{$remparam{$idx}}) {   
-                        &LONCAPA::map::delparameter($idx,'parameter_'.$name);
+                        &LONCAPA::map::delparameter($idx,$name);
                     }
                 }
             }
@@ -2475,6 +3989,10 @@ sub apply_fixups {
                 }
             }
         }
+        if (($updatetoolscache) || (@updatetoolsenc)) {
+            &update_ltitools_caches($cdom,$cnum,$updatetoolscache,
+                                    \@updatetoolsenc);
+        }
     }
     return ('ok',\@msgs,$lockmsg);
 }
@@ -2569,7 +4087,7 @@ sub update_parameter {
             my ($name,$url)=split(/\:/,$LONCAPA::map::resources[$res]);
             $name=&LONCAPA::map::qtescape($name);
             $url=&LONCAPA::map::qtescape($url);
-            next unless ($name && $url);
+            next unless $url;
             my $is_map;
             if ($url =~ m{/uploaded/.+\.(page|sequence)$}) {
                 $is_map = 1;
@@ -2577,7 +4095,7 @@ sub update_parameter {
             foreach my $which (keys(%allchecked)) {
                 if (($which eq 'randompick' || $which eq 'randomorder')) {
                     next if (!$is_map);
-                }
+                } 
                 my $oldvalue = 0;
                 my $newvalue = 0;
                 if ($allchecked{$which}{$res}) {
@@ -2613,30 +4131,49 @@ sub update_parameter {
         }
         return $haschanges;
     } else {
-        return 0 if ($env{'form.changeparms'} !~ /^($valid_parameters_re)$/);
+        my $haschanges = 0;
+        return $haschanges if ($env{'form.changeparms'} !~ /^($valid_parameters_re)$/);
 
         my $which = $env{'form.changeparms'};
         my $idx = $env{'form.setparms'};
+        my $oldvalue = 0;
+        my $newvalue = 0;
+        my $current = (&LONCAPA::map::getparameter($idx,'parameter_'.$which))[0];
+        if ($which eq 'randompick') {
+            if ($current =~ /^(\d+)$/) {
+                $oldvalue = $1;
+            }
+        } elsif ($current =~ /^yes$/i) {
+            $oldvalue = 1;
+        }
         if ($env{'form.'.$which.'_'.$idx}) {
-	    my $value = ($which eq 'randompick') ? $env{'form.rpicknum_'.$idx}
-	                                         : 'yes';
-	    &LONCAPA::map::storeparameter($idx, 'parameter_'.$which, $value,
-				          $parameter_type{$which});
-	    &remember_parms($idx,$which,'set',$value);
-        } else {
-	    &LONCAPA::map::delparameter($idx,'parameter_'.$which);
-
-	    &remember_parms($idx,$which,'del');
+	    $newvalue = ($which eq 'randompick') ? $env{'form.rpicknum_'.$idx}
+	                                         : 1;
         }
-        return 1;
+        if ($oldvalue ne $newvalue) {
+            $haschanges = 1;
+            if ($newvalue) {
+                my $storeval = 'yes';
+                if ($which eq 'randompick') {
+                    $storeval = $newvalue;
+                }
+	        &LONCAPA::map::storeparameter($idx, 'parameter_'.$which, $storeval,
+				              $parameter_type{$which});
+	        &remember_parms($idx,$which,'set',$storeval);
+            } else {
+	        &LONCAPA::map::delparameter($idx,'parameter_'.$which);
+	        &remember_parms($idx,$which,'del');
+            }
+        }
+        return $haschanges;
     }
 }
 
-
 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'});
 
@@ -2651,19 +4188,19 @@ 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/) {
@@ -2673,16 +4210,32 @@ 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)=@_;
+        $supplementalflag,$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,
@@ -2705,9 +4258,21 @@ 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();
@@ -2719,12 +4284,12 @@ 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();
 
 	if (&update_parameter()) {
-	    ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
+	    ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container,1);
 	    return $errtext if ($fatal);
 	}
 
@@ -2786,9 +4351,9 @@ sub editor {
 	$r->print($upload_output);
 
 # Rename, cut, copy or remove a single resource
-	if (&handle_edit_cmd()) {
+	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);
@@ -2881,6 +4446,17 @@ sub editor {
                         } else {
                             return $errortxt;
                         }
+                    } elsif ($url =~ m{^/adm/$coursedom/$coursenum/new/ext\.tool}) {
+                        my ($suffix,$errortxt,$locknotfreed) =
+                            &new_timebased_suffix($coursedom,$coursenum,'exttool');
+                        if ($locknotfreed) {
+                            $r->print($locknotfreed);
+                        }
+                        if ($suffix) {
+                            $url =~ s{^(/adm/$coursedom/$coursenum)/new}{$1/$suffix};
+                        } else {
+                            return $errortxt;
+                        }
                     } elsif ($url =~ m{^/uploaded/$coursedom/$coursenum/(docs|supplemental)/(default|\d+)/new.html$}) {
                         if ($supplementalflag) {
                             next unless ($1 eq 'supplemental');
@@ -2903,7 +4479,7 @@ sub editor {
 	    }
             ($errtext,$fatal,my $fixuperrors) =
                 &group_import($coursenum, $coursedom, $folder,$container,
-                              'londocs',@imports);
+                              'londocs',$ltitoolsref,@imports);
 	    return $errtext if ($fatal);
             if ($fixuperrors) {
                 $r->print($fixuperrors);
@@ -2963,6 +4539,21 @@ sub editor {
         $r->print('</div>');
     }
 
+    if ((!$allowed) && ($folder =~ /^supplemental_\d+$/)) {
+        my ($supplemental) = &Apache::loncommon::get_supplemental($coursenum,$coursedom);
+        if (ref($supplemental) eq 'HASH') {
+            if ((ref($supplemental->{'hidden'}) eq 'HASH') &&
+                (ref($supplemental->{'ids'}) eq 'HASH')) {
+                if (ref($supplemental->{'ids'}->{"/uploaded/$coursedom/$coursenum/$folder.$container"}) eq 'ARRAY') {
+                    my $mapnum = $supplemental->{'ids'}->{"/uploaded/$coursedom/$coursenum/$folder.$container"}->[0];
+                    if ($supplemental->{'hidden'}->{$mapnum}) {
+                        $ishidden = 1;
+                    }
+                }
+            }
+        }
+    }
+
     my ($to_show,$output,@allidx,@allmapidx,%filters,%lists,%curr_groups);
     %filters =  (
                   canremove      => [],
@@ -2985,22 +4576,34 @@ sub editor {
         if ($url =~ m{/uploaded/.+\.(page|sequence)$}) {
             push(@allmapidx,$res);
         }
+
+        if (($supplementalflag) && (!$allowed) && (!$env{'request.role.adv'})) {
+            if (($ishidden) || ((&LONCAPA::map::getparameter($res,'parameter_hiddenresource'))[0]=~/^yes$/i)) {
+                $idx++;
+                next;
+            }
+        }
         $output .= &entryline($idx,$name,$url,$folder,$allowed,$res,
                               $coursenum,$coursedom,$crstype,
                               $pathitem,$supplementalflag,$container,
-                              \%filters,\%curr_groups);
+                              \%filters,\%curr_groups,$ltitoolsref,$canedit,
+                              $isencrypted,$ishidden,$navmapref,$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 || $canedit) {
+            my $helpitem = 'Navigation_Screen';
+            if (!$allowed) {
+                $helpitem = 'Supplemental_Navigation';
+            }
             $toolslink = '<table><tr><td>'
                        .&Apache::loncommon::help_open_menu('Navigation Screen',
-                                                           'Navigation_Screen',undef,'RAT')
+                                                           $helpitem,undef,'RAT')
                        .'</td><td class="LC_middle">'.&mt('Tools:').'</td>'
                        .'<td align="left"><ul id="LC_toolbar">'
                        .'<li><a href="/adm/coursedocs?forcesupplement=1&amp;command=editsupp" '
@@ -3015,12 +4618,10 @@ sub editor {
                           .&Apache::loncommon::start_data_table(undef,'contentlist')
                           .&Apache::loncommon::start_data_table_header_row()
                           .'<th colspan="2">'.&mt('Move').'</th>'
-                          .'<th colspan="2">'.&mt('Actions').'</th>'
-                          .'<th>'.&mt('Document').'</th>';
-                if ($folder !~ /^supplemental/) {
-                    $to_show .= '<th colspan="4">'.&mt('Settings').'</th>';
-                }
-                $to_show .= &Apache::loncommon::end_data_table_header_row();
+                          .'<th colspan="3">'.&mt('Actions').'</th>'
+                          .'<th>'.&mt('Document').'</th>'
+                          .'<th colspan="2">'.&mt('Settings').'</th>'
+                          .&Apache::loncommon::end_data_table_header_row();
                 if ($folder !~ /^supplemental/) {
                     $lists{'canhide'} = join(',',@allidx);
                     $lists{'canrandomlyorder'} = join(',',@allmapidx);
@@ -3044,12 +4645,11 @@ sub editor {
                                 &Apache::loncommon::continue_data_table_row().
                                 '<td colspan="2">&nbsp;</td>'.
                                 '<td>'.
-                                &multiple_check_form('actions',\%lists).
+                                &multiple_check_form('actions',\%lists,$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();
                              $need_save = 1;
@@ -3070,9 +4670,15 @@ sub editor {
             if (!$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();
         }
@@ -3096,8 +4702,10 @@ 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);
     }
@@ -3105,8 +4713,12 @@ 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;">'.
@@ -3119,15 +4731,15 @@ 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 {
@@ -3135,15 +4747,15 @@ 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";
     }
@@ -3185,6 +4797,8 @@ sub process_file_upload {
     my $quotatype = 'unofficial';
     if ($crstype eq 'Community') {
         $quotatype = 'community';
+    } elsif ($crstype eq 'Placement') {
+        $quotatype = 'placement';
     } elsif ($env{'course.'.$coursedom.'_'.$coursenum.'.internal.coursecode'}) {
         $quotatype = 'official';
     } elsif ($env{'course.'.$coursedom.'_'.$coursenum.'.internal.textbook'}) {
@@ -3274,7 +4888,7 @@ 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) {
@@ -3354,16 +4968,25 @@ sub is_supplemental_title {
 
 sub entryline {
     my ($index,$title,$url,$folder,$allowed,$residx,$coursenum,$coursedom,
-        $crstype,$pathitem,$supplementalflag,$container,$filtersref,$currgroups)=@_;
-    my ($foldertitle,$renametitle,$oldtitle);
+        $crstype,$pathitem,$supplementalflag,$container,$filtersref,$currgroups,
+        $ltitoolsref,$canedit,$isencrypted,$ishidden,$navmapref,$hostname)=@_;
+    my ($foldertitle,$renametitle,$oldtitle,$encodedtitle);
     if (&is_supplemental_title($title)) {
 	($title,$foldertitle,$renametitle) = &Apache::loncommon::parse_supplemental_title($title);
+        $encodedtitle=$title;
     } else {
 	$title=&HTML::Entities::encode($title,'"<>&\'');
+        $encodedtitle=$title;
 	$renametitle=$title;
 	$foldertitle=$title;
     }
 
+    my ($disabled,$readonly,$js_lt);
+    unless ($canedit) {
+        $disabled = 'disabled="disabled"';
+        $readonly = 1;
+    }
+
     my $orderidx=$LONCAPA::map::order[$index];
 
     $renametitle=~s/\\/\\\\/g;
@@ -3371,11 +4994,11 @@ sub entryline {
     $renametitle=~s/"/%22/g;
     $renametitle=~s/ /%20/g;
     $oldtitle = $renametitle;
-    $renametitle=~s/\&#39\;/\\\'/g;
+    $renametitle=~s/\&#39;/\\\'/g;
     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, $shownsymb, $curralias);
     if ($env{'form.folderpath'}) {
 	$esc_path=&escape($env{'form.folderpath'});
 	$path = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
@@ -3427,7 +5050,7 @@ 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>';
@@ -3444,28 +5067,41 @@ 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'},
                                           $currgroups);
         my ($copylink,$cutlink,$removelink);
 	my $skip_confirm = 0;
+        my $confirm_removal = 0;
 	if ( $folder =~ /^supplemental/
 	     || ($url =~ m{( /smppg$
 			    |/syllabus$
 			    |/aboutme$
 			    |/navmaps$
 			    |/bulletinboard$
+                            |/ext\.tool$
 			    |\.html$)}x)
              || $isexternal) {
 	    $skip_confirm = 1;
 	}
+        if (($url=~m|/+uploaded/\Q$coursedom\E/\Q$coursenum\E/|) &&
+            ($url!~/$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)
@@ -3477,7 +5113,7 @@ 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($filtersref->{'cancopy'}) eq 'ARRAY')) {
@@ -3495,7 +5131,7 @@ ENDCUT
 <form name="$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')) {
@@ -3508,12 +5144,13 @@ ENDCUT
 ENDREM
         } else {
             my $formname = 'edit_remove_'.$orderidx;
-            my $js = "javascript:checkForSubmit(document.forms.renameform,'remove','actions','$orderidx','$esc_path','$index','$renametitle',$skip_confirm);";
+            my $js = "javascript:checkForSubmit(document.forms.renameform,'remove','actions','$orderidx','$esc_path','$index','$renametitle',$skip_confirm,'$container','$folder',$confirm_removal);";
             $removelink=(<<ENDREM);
 <form name="$formname" method="post" action="/adm/coursedocs">
 $form_common
 <input type="hidden" name="skip_$orderidx" id="skip_remove_$orderidx" value="$skip_confirm" />
-<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">$lt{'rm'}</a>
+<input type="hidden" name="confirm_rem_$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" $disabled /><a href="$js" class="LC_docs_remove">$lt{'rm'}</a>
 $form_end
 ENDREM
             if (($ishash) && (ref($filtersref->{'canremove'}) eq 'ARRAY')) {
@@ -3523,15 +5160,23 @@ 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>
@@ -3557,6 +5202,8 @@ END
     my $isfolder;
     my $ispage;
     my $containerarg;
+    my $folderurl;
+    my $plainurl;
     if ($uploaded) {
         if (($extension eq 'sequence') || ($extension eq 'page')) {
             $url=~/\Q$coursenum\E\/([\/\w]+)\.\Q$extension\E$/;
@@ -3568,24 +5215,33 @@ END
                 $icon=$iconpath.'page.gif';
                 $ispage=1;
             }
+            $folderurl = &Apache::lonnet::declutter($url);
             if ($allowed) {
                 $url='/adm/coursedocs?';
             } else {
                 $url='/adm/supplemental?';
             }
 	} else {
-	    &Apache::lonnet::allowuploaded('/adm/coursedoc',$url);
+	    $plainurl = $url;
 	}
     }
 
-    my ($editlink,$extresform);
+    my ($editlink,$extresform,$anchor,$hiddenres,$nomodal);
     my $orig_url = $url;
     $orig_url=~s{http(&colon;|:)//https(&colon;|:)//}{https$2//};
-    $url=~s{^http(|s)(&colon;|:)//}{/adm/wrapper/ext/};
+    if ($container eq 'page') {
+        $url=~s{^http(|s)(&colon;|:)//}{/ext/};
+    } else {
+        $url=~s{^http(|s)(&colon;|:)//}{/adm/wrapper/ext/};
+    }
     if (!$supplementalflag && $residx && $symb) {
         if ((!$isfolder) && (!$ispage)) {
 	    (undef,undef,$url)=&Apache::lonnet::decode_symb($symb);
-	    $url=&Apache::lonnet::clutter($url);
+            if (($url =~ m{^ext/}) && ($container eq 'page')) {
+                $url=&Apache::lonnet::clutter_with_no_wrapper($url);
+            } else {
+                $url=&Apache::lonnet::clutter($url);
+            } 
 	    if ($url=~/^\/*uploaded\//) {
 	        $url=~/\.(\w+)$/;
 	        my $embstyle=&Apache::loncommon::fileembstyle($1);
@@ -3596,17 +5252,123 @@ END
 	        } elsif ($url!~/\.(sequence|page)$/) {
 		    $url='/adm/coursedocs/showdoc'.$url;
 	        }
-	    } elsif ($url=~m|^/ext/|) {
-	        $url='/adm/wrapper'.$url;
-	    }
-            if (&Apache::lonnet::symbverify($symb,$url)) {
-	        $url.=(($url=~/\?/)?'&':'?').'symb='.&escape($symb);
+	    } elsif ($url=~m{^(|/adm/wrapper)/ext/([^#]+)}) {
+                my $wrapped = $1;
+                my $exturl = $2;
+                if (($wrapped eq '') && ($container ne 'page')) { 
+                    $url='/adm/wrapper'.$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://})) {
+                    unless ((&Apache::lonnet::uses_sts()) || (&Apache::lonnet::waf_allssl($hostname))) {
+                        $url .= '?usehttp=1';
+                    }
+                    $nomodal = 1;
+                }
+            }
+            my $checkencrypt;
+            if (!$env{'request.role.adv'}) {
+                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 $currenc = $env{'request.enc'};
+                $env{'request.enc'} = 1;
+                $shownsymb = &Apache::lonenc::encrypted($symb);
+                my $shownurl = &Apache::lonenc::encrypted($url);
+                if (&Apache::lonnet::symbverify($symb,$url)) {
+                    $url = $shownurl;
+                } else {
+                    $url = '';
+                }
+                $env{'request.enc'} = $currenc;
+            } elsif (&Apache::lonnet::symbverify($symb,$url)) {
+                $shownsymb = $symb;
+                if ($isexternal) {
+                    $url =~ s/\#[^#]+$//;
+                    if ($container eq 'page') {
+                        $url = &Apache::lonnet::clutter($url);
+                    }
+                }
             } else {
-                $url='';
+                $url = '';
+            }
+            unless ($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 '') && ($shownsymb ne '')) {
+                $url .= (($url=~/\?/)?'&':'?').'symb='.&escape($shownsymb);
             }
 	}
+    } elsif ($supplementalflag) {
+        if ($isexternal) {
+            if ($url =~ /^([^#]+)#([^#]+)$/) {
+                $url = $1;
+                $anchor = $2;
+                if (($url =~ m{^(|/adm/wrapper)/ext/(?!https:)}) && ($ENV{'SERVER_PORT'} == 443)) {
+                    unless ((&Apache::lonnet::uses_sts()) || (&Apache::lonnet::waf_allssl($hostname))) {
+                        if ($hostname ne '') {
+                            $url = 'http://'.$hostname.$url;
+                        }
+                        $url .= (($url =~ /\?/) ? '&amp;':'?').'usehttp=1';
+                    }
+                    $nomodal = 1;
+                }
+            }
+        } elsif ($url =~ m{^\Q/public/$coursedom/$coursenum/syllabus\E}) {
+            if (($ENV{'SERVER_PORT'} == 443) &&
+                ($env{'course.'.$env{'request.course.id'}.'.externalsyllabus'} =~ m{^http://})) {
+                unless ((&Apache::lonnet::uses_sts()) || (&Apache::lonnet::waf_allssl($hostname))) {
+                    if ($hostname ne '') {
+                        $url = 'http://'.$hostname.$url;
+                    }
+                    $url .= (($url =~ /\?/) ? '&amp;':'?').'usehttp=1';
+                }
+                $nomodal = 1;
+            }
+        } elsif (($uploaded) && ($url ne '/adm/supplemental?') && ($url ne '/adm/coursedocs?')) {
+            my $embstyle=&Apache::loncommon::fileembstyle($extension);
+            unless ($embstyle eq 'ssi') {
+                if (($embstyle eq 'img')
+                 || ($embstyle eq 'emb')
+                 || ($embstyle eq 'wrp')) {
+                    $url='/adm/wrapper'.$url;
+                } elsif ($url !~ /\.(sequence|page)$/) {
+                    $url='/adm/coursedocs/showdoc'.$url;
+                }
+            }
+        }
+        unless ($allowed && $env{'request.role.adv'}) {
+            if ($ishidden || (&LONCAPA::map::getparameter($orderidx,'parameter_hiddenresource'))[0]=~/^yes$/i) {
+                $hiddenres = 1;
+            }
+        }
     }
-    my ($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'};
@@ -3614,22 +5376,52 @@ END
         if (!$allowed && $supplementalflag) {
             $folderpath.=$containerarg.'&'.$foldername;
             $url.='folderpath='.&escape($folderpath);
+            if ($ishidden || (&LONCAPA::map::getparameter($orderidx,'parameter_hiddenresource'))[0]=~/^yes$/i) {
+                $hiddenfolder = 1;
+            }
         } 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) {
                 $rpckchk = ' checked="checked"';
@@ -3642,14 +5434,14 @@ END
 '<form action="/adm/coursedocs" method="post" name="'.$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);
@@ -3660,37 +5452,57 @@ $form_common."\n".
 '<form action="/adm/coursedocs" method="post" name="'.$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>'.
-$form_end;
+'<span class="LC_nobreak"><label><input type="checkbox" name="randomorder_'.$orderidx.'" id="randomorder_'.$orderidx.'" onclick="checkForSubmit(this.form,'."'randomorder','settings'".');" '.$ro_set.$disabled.' /> '.&mt('Random Order').' </label></span>'.
+$form_end; 
+        }
+    } elsif ($supplementalflag) {
+        my $isexttool;
+        if ($url=~m{^/adm/$coursedom/$coursenum/\d+/ext\.tool$}) {
+            $url='/adm/wrapper'.$url;
+            $isexttool = 1;
         }
-    } elsif ($supplementalflag && !$allowed) {
         $url .= ($url =~ /\?/) ? '&amp;':'?';
         $url .= 'folderpath='.&HTML::Entities::encode($esc_path,'<>&"');
         if ($title) {
-            $url .= '&amp;title='.&HTML::Entities::encode($renametitle,'<>&"');
+            $url .= '&amp;title='.$encodedtitle;
         }
-        if ($isexternal && $orderidx) {
+        if ((($isexternal) || ($isexttool)) && $orderidx) {
             $url .= '&amp;idx='.$orderidx;
         }
+        if ($anchor ne '') {
+            $url .= '&amp;anchor='.&HTML::Entities::encode($anchor,'"<>&');
+        }
     }
     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,$pathitem);
+            ($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,$disabled);
         } elsif (!$isfolder && !$ispage) {
             my ($cfile,$home,$switchserver,$forceedit,$forceview) = 
                 &Apache::lonnet::can_edit_resource($fileloc,$coursenum,$coursedom,$orig_url);
             if (($cfile ne '') && ($symb ne '' || $supplementalflag)) {
-                my $jscall = 
+                my $suppanchor;
+                if ($supplementalflag) {
+                    $suppanchor = $anchor;
+                }
+                my $jscall =
                     &Apache::lonhtmlcommon::jump_to_editres($cfile,$home,
                                                             $switchserver,
                                                             $forceedit,
-                                                            undef,$symb,
+                                                            undef,$symb,$shownsymb,
                                                             &escape($env{'form.folderpath'}),
-                                                            $renametitle,'','',1);
+                                                            $renametitle,$hostname,
+                                                            '','',1,$suppanchor);
                 if ($jscall) {
                     $editlink = '<a class="LC_docs_ext_edit" href="javascript:'.
                                 $jscall.'" >'.&mt('Edit').'</a>&nbsp;'."\n";
@@ -3706,63 +5518,156 @@ $form_end;
     } else {
         $reinit = &mt('(re-initialize course to access)');
     }
-    $line.='<td class="LC_docs_entry_commands"'.$tdalign.'><span class="LC_nobreak">'.$editlink.$renamelink;
+    $line.='<td class="LC_docs_entry_commands"'.$tdalign.'><span class="LC_nobreak">'.$editlink.$renamelink.'</span>';
+    if ($orig_url =~ /$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>';
+        }
+    }
+    $line.='</td><td><span class="LC_nobreak">';
+    my ($link,$nolink);
     if (($url=~m{/adm/(coursedocs|supplemental)}) || (!$allowed && $url)) {
-       $line.='<a href="'.$url.'"><img src="'.$icon.'" alt="" class="LC_icon" /></a>';
+        if ($allowed && !$env{'request.role.adv'} && !$isfolder && !$ispage) {
+            if ((&LONCAPA::map::getparameter($orderidx,'parameter_hiddenresource'))[0]=~/^yes$/i) {
+                $nolink = 1;
+            }
+        }
+        if ($nolink) {
+            $line .= '<img src="'.$icon.'" alt="" class="LC_icon" /></a>';
+        } else {
+            $line.='<a href="'.$url.'"><img src="'.$icon.'" alt="" class="LC_icon" /></a>';
+        }
     } elsif ($url) {
-       $line.=&Apache::loncommon::modal_link($url.(($url=~/\?/)?'&amp;':'?').'inhibitmenu=yes',
-                                             '<img src="'.$icon.'" alt="" class="LC_icon" />',600,500);
+       if ($anchor ne '') {
+           if ($supplementalflag) {
+               $anchor = '&amp;anchor='.&HTML::Entities::encode($anchor,'"<>&');
+           } else {
+               $anchor = '#'.&HTML::Entities::encode($anchor,'"<>&');
+           }
+       }
+       if (($nomodal) && ($hostname ne '')) {
+           $link = 'http://'.$hostname.$url;
+       } else {
+           $link = $url;
+       }
+       my $inhibitmenu;
+       if ((($supplementalflag) && ($allowed) && ($url =~ m{^/adm/wrapper/})) ||
+           (($allowed) && (($url =~ m{^/adm/(viewclasslist|$match_domain/$match_username/aboutme)(\?|$)}) ||
+                           ($url =~ m{^/public/$match_domain/$match_courseid/syllabus(\?|$)})))) {
+           $inhibitmenu = 'only_body=1';
+       } else {
+           $inhibitmenu = 'inhibitmenu=yes';
+       }
+       $link = &js_escape($link.(($url=~/\?/)?'&amp;':'?').$inhibitmenu.$anchor);
+       if ($allowed && !$env{'request.role.adv'} && !$isfolder && !$ispage && !$uploaded) {
+           if ((&LONCAPA::map::getparameter($orderidx,'parameter_hiddenresource'))[0]=~/^yes$/i) {
+               $nolink = 1;
+           }
+       }
+       if ($nolink) {
+           $line.='<img src="'.$icon.'" alt="" class="LC_icon" />';
+       } elsif ($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" />';
     }
     $line.='</span></td><td'.$tdwidth.'>';
     if (($url=~m{/adm/(coursedocs|supplemental)}) || (!$allowed && $url)) {
-       $line.='<a href="'.$url.'">'.$title.'</a>';
+       if ($nolink) {
+           $line.=$title;
+       } else {
+           $line.='<a href="'.$url.'">'.$title.'</a>';
+       }
+       if (!$allowed && $supplementalflag && $canedit && $isfolder) {
+           my $editicon = &Apache::loncommon::lonhttpdurl('/res/adm/pages').'/editmap.png';
+           my $editurl = $url;
+           $editurl =~ s{^\Q/adm/supplemental?\E}{/adm/coursedocs?command=direct&amp;forcesupplement=1&amp;};
+           $line .= '&nbsp;'.'<a href="'.$editurl.'">'.
+                    '<img src="'.$editicon.'" alt="'.&mt('Edit Content').'" title="'.&mt('Edit Content').'" />'.
+                    '</a>';
+       }
+       if ((($hiddenfolder) || ($hiddenres)) && (!$allowed) && ($supplementalflag))  {
+           $line.= ' <span class="LC_warning">('.&mt('hidden').')</span> ';
+       }
     } elsif ($url) {
-       $line.=&Apache::loncommon::modal_link($url.(($url=~/\?/)?'&amp;':'?').'inhibitmenu=yes',
-                                             $title,600,500);
+       if ($nolink) {
+           $line.=$title;
+       } elsif ($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/)) {
- 	my %lt=&Apache::lonlocal::texthash(
- 			      'hd' => 'Hidden',
- 			      'ec' => 'URL hidden');
-        my ($enctext,$hidtext);
-        if ((&LONCAPA::map::getparameter($orderidx,'parameter_encrypturl'))[0]=~/^yes$/i) {
-            $enctext = ' checked="checked"';
-            if (($ishash) && (ref($filtersref->{'encrypturl'}) eq 'ARRAY')) {
-                push(@{$filtersref->{'encrypturl'}},$orderidx);
-            }
+    if ($uploaded && $url && !$isfolder && !$ispage) {
+        if (($plainurl ne '') && ($env{'request.role.adv'} || $allowed || !$hiddenres)) {
+            &Apache::lonnet::allowuploaded('/adm/coursedoc',$plainurl);
         }
+    }
+    if ($allowed) {
+        my %lt=&Apache::lonlocal::texthash(
+                              'hd' => 'Hidden',
+                              'ec' => 'URL hidden');
+        my ($enctext,$hidtext,$formhidden,$formurlhidden);
         if ((&LONCAPA::map::getparameter($orderidx,'parameter_hiddenresource'))[0]=~/^yes$/i) {
             $hidtext = ' checked="checked"';
-            if (($ishash) && (ref($filtersref->{'randomorder'}) eq 'ARRAY')) {
+            if (($ishash) && (ref($filtersref->{'hiddenresource'}) eq 'ARRAY')) {
                 push(@{$filtersref->{'hiddenresource'}},$orderidx);
             }
         }
-        my $formhidden = 'edit_hiddenresource_'.$orderidx;
-        my $formurlhidden = 'edit_encrypturl_'.$orderidx;
-	$line.=(<<ENDPARMS);
+        $formhidden = 'edit_hiddenresource_'.$orderidx;
+        $line.=(<<ENDPARMS);
   <td class="LC_docs_entry_parameter">
     <form action="/adm/coursedocs" method="post" name="$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>
     $form_end
+ENDPARMS
+        if ($folder =~/^supplemental/) {
+            $line.= "\n    <td>";
+        } else {
+            if ((&LONCAPA::map::getparameter($orderidx,'parameter_encrypturl'))[0]=~/^yes$/i) {
+                $enctext = ' checked="checked"';
+                if (($ishash) && (ref($filtersref->{'encrypturl'}) eq 'ARRAY')) {
+                    push(@{$filtersref->{'encrypturl'}},$orderidx);
+                }
+            }
+            $formurlhidden = 'edit_encrypturl_'.$orderidx;
+	    $line.=(<<ENDPARMS);
     <br />
     <form action="/adm/coursedocs" method="post" name="$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 />
                                       $rand_order_text</td>
 ENDPARMS
+        }
     }
     $line.=&Apache::loncommon::end_data_table_row();
     return $line;
@@ -3778,9 +5683,11 @@ sub action_restrictions {
     if ($url=~ m{^/res/.+\.(page|sequence)$}) {
         # no copy for published maps
         $denied{'copy'} = 1;
-    } elsif ($url=~m{^/res/lib/templates/}) {
-       $denied{'copy'} = 1;
-       $denied{'cut'} = 1;
+    } elsif ($url=~m{^/res/lib/templates/([^/]+)\.problem$}) {
+        unless ($1 eq 'simpleproblem') {
+            $denied{'copy'} = 1;
+        }
+        $denied{'cut'} = 1;
     } elsif ($url eq "/uploaded/$cdom/$cnum/group_allfolders.sequence") {
         if ($folderpath =~ /^default&[^\&]+$/) {
             if ((ref($currgroups) eq 'HASH') && (keys(%{$currgroups}) > 0)) {
@@ -3857,6 +5764,8 @@ 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.');
         }
@@ -3873,9 +5782,9 @@ sub new_timebased_suffix {
                 $locknotfreed =
                     '<div class="LC_error">'.
                     &mt('A lockfile was not released when you added content to the clipboard earlier in this session.').' '.
-
-                    &mt('As a result addition of items to the clipboard wll be unavailable until your next log-in.');
-            } else {
+ 
+                    &mt('As a result addition of items to the clipboard will be unavailable until your next log-in.');
+            } else { 
                 $locknotfreed .=
                     &mt('This will prevent addition of items to the clipboard until your next log-in.');
             }
@@ -3885,6 +5794,9 @@ sub new_timebased_suffix {
         } elsif ($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.');
@@ -3935,7 +5847,7 @@ sub untiehash {
 
 
 sub checkonthis {
-    my ($r,$url,$level,$title)=@_;
+    my ($r,$url,$level,$title,$checkstale)=@_;
     $url=&unescape($url);
     $alreadyseen{$url}=1;
     $r->rflush();
@@ -3950,10 +5862,22 @@ 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);
              $url=~/\.(\w+)$/;
@@ -3987,7 +5911,7 @@ 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') {
@@ -4001,6 +5925,9 @@ 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'));
+          }
        }
     }
 }
@@ -4053,13 +5980,75 @@ sub list_symbs {
     $r->print(&endContentScreen());
 }
 
+sub short_urls {
+    my ($r,$canedit) = @_;
+    my $crstype = &Apache::loncommon::course_type();
+    my $formname = 'shortenurl';
+    $r->print(&Apache::loncommon::start_page('Display/Set Shortened URLs'));
+    $r->print(&Apache::lonhtmlcommon::breadcrumbs('Shortened URLs'));
+    $r->print(&startContentScreen('tools'));
+    my ($navmap,$errormsg) =
+        &Apache::loncourserespicker::get_navmap_object($crstype,'shorturls');
+    my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+    my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+    my (%maps,%resources,%titles);
+    if (!ref($navmap)) {
+        $r->print($errormsg.
+                  &endContentScreen());
+        return '';
+    } else {
+        $r->print('<h4 class="LC_info">'.&mt('Tiny URLs for deep-linking into course').'</h4>'."\n");
+        $r->rflush();
+        my $readonly;
+        if ($canedit) {
+            my ($numnew,$errors) = &Apache::loncommon::get_requested_shorturls($cdom,$cnum,$navmap);
+            if ($numnew) {
+                $r->print('<p class="LC_info">'.&mt('Created [quant,_1,URL]',$numnew).'</p>');
+            }
+            if ((ref($errors) eq 'ARRAY') && (@{$errors} > 0)) {
+                $r->print(&mt('The following errors occurred when processing your request to create shortened URLs:').'<br /><ul>');
+                foreach my $error (@{$errors}) {
+                    $r->print('<li>'.$error.'</li>');
+                }
+                $r->print('</ul><br />');
+            }
+        } else {
+            $readonly = 1;
+        }
+        my %currtiny = &Apache::lonnet::dump('tiny',$cdom,$cnum);
+        $r->print(&Apache::loncourserespicker::create_picker($navmap,'shorturls',$formname,$crstype,undef,
+                                                             undef,undef,undef,undef,undef,\%currtiny,undef,$readonly));
+    }
+    $r->print(&endContentScreen());
+}
 
-sub verifycontent {
+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,$checkstale) = @_;
+    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>'); 
    $hashtied=0;
    undef %alreadyseen;
@@ -4076,7 +6065,7 @@ sub verifycontent {
 	   }
        }
        if (($key=~/^src\_(.+)$/) && (!$alreadyseen{&unescape($hash{$key})})) {
-           &checkonthis($r,$hash{$key},0,$hash{'title_'.$1});
+           &checkonthis($r,$hash{$key},0,$hash{'title_'.$1},$checkstale);
        }
    }
    &untiehash();
@@ -4084,7 +6073,6 @@ sub verifycontent {
     $r->print(&endContentScreen());
 }
 
-
 sub devalidateversioncache {
     my $src=shift;
     &Apache::lonnet::devalidate_cache_new('courseresversion',$env{'request.course.id'}.'_'.
@@ -4092,7 +6080,7 @@ 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"));
@@ -4113,51 +6101,53 @@ 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);
@@ -4224,6 +6214,11 @@ 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">
@@ -4244,8 +6239,8 @@ 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" />
@@ -4274,7 +6269,7 @@ 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>'.
@@ -4317,9 +6312,9 @@ ENDHEADERS
                       $setversions{$linkurl},
                       'set_version_'.$linkurl,
                       {'select_form_order' => ['',1..$currentversion,'mostrecent'],
-                       '' => '',
-                       'mostrecent' => &mt('most recent'),
-                       map {$_,$_} (1..$currentversion)}));
+                      '' => '',
+                      'mostrecent' => &mt('most recent'),
+                      map {$_,$_} (1..$currentversion)},'',$readonly));
             my $lastold=1;
             for (my $prevvers=1;$prevvers<$currentversion;$prevvers++) {
                 my $url=$root.'.'.$prevvers.'.'.$extension;
@@ -4353,7 +6348,7 @@ 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>'
     );
 
@@ -4397,13 +6392,17 @@ sub changewarning {
     if (!defined($message)) {
 	$message='Changes will become active for your current session after [_1], or the next time you log in.';
     }
+    my $windowname = 'loncapaclient';
+    if ($env{'request.lti.login'}) {
+        $windowname .= 'lti';
+    }
     $r->print("\n\n".
 '<script type="text/javascript">'."\n".
 '// <![CDATA['."\n".
 'function reinit(tf) { tf.submit();'.$postexec.' }'."\n".
 '// ]]>'."\n".
 '</script>'."\n".
-'<form name="reinitform" method="post" action="/adm/roles" target="loncapaclient">'.
+'<form name="reinitform" method="post" action="/adm/roles" target="'.$windowname.'">'.
 '<input type="hidden" name="orgurl" value="'.$url.
 '" /><input type="hidden" name="selectrole" value="1" /><p class="LC_warning">'.
 &mt($message,' <input type="hidden" name="'.
@@ -4456,6 +6455,7 @@ sub startContentScreen {
     if (($mode eq 'navmaps') || ($mode eq 'supplemental')) {
         $output .= '<li'.(($mode eq 'navmaps')?' class="active"':'').'><a href="/adm/navmaps"><b>&nbsp;&nbsp;&nbsp;&nbsp;'.&mt('Content Overview').'&nbsp;&nbsp;&nbsp;&nbsp;</b></a></li>'."\n";
         $output .= '<li'.(($mode eq 'coursesearch')?' class="active"':'').'><a href="/adm/searchcourse"><b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'.&mt('Content Search').'&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</b></a></li>'."\n";
+        $output .= '<li'.(($mode eq 'courseindex')?' class="active"':'').'><a href="/adm/indexcourse"><b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'.&mt('Content Index').'&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</b></a></li>'."\n";
         $output .= '<li '.(($mode eq 'suppdocs')?' class="active"':'').'><a href="/adm/supplemental"><b>'.&mt('Supplemental Content').'</b></a></li>';
     } else {
         $output .= '<li '.(($mode eq 'docs')?' class="active"':'').' id="tabbededitor"><a href="/adm/coursedocs?forcestandard=1"><b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'.&mt('Main Content Editor').'&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</b></a></li>'."\n";
@@ -4492,6 +6492,10 @@ sub handler {
     my $crstype = &Apache::loncommon::course_type();
     my $coursenum=$env{'course.'.$env{'request.course.id'}.'.num'};
     my $coursedom=$env{'course.'.$env{'request.course.id'}.'.domain'};
+    my $coursehome=$env{'course.'.$env{'request.course.id'}.'.home'};
+
+# get docroot
+    my $londocroot = $r->dir_config('lonDocRoot');
 
 # graphics settings
     $iconpath = &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL').'/');
@@ -4499,12 +6503,14 @@ 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',
+                       'Standard_Problem','Course_Resources',
+                       'Search_LON-CAPA_Resource','Import_Stored_Links') {
 	$help{$topic}=&Apache::loncommon::help_open_topic('Docs_'.$topic);
     }
     # Composite help files
@@ -4519,47 +6525,156 @@ sub handler {
     $help{'Group Portfolio'} = &Apache::loncommon::help_open_topic('Docs_About_Group_Files');
     $help{'Caching'} = &Apache::loncommon::help_open_topic('Caching');
  
-    my $allowed;
+    my ($allowed,$canedit,$canview,$noendpage,$disabled);
+# does this user have privileges to modify content.
+    if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
 # URI is /adm/supplemental when viewing supplemental docs in non-edit mode.
-    unless ($r->uri eq '/adm/supplemental') {
-        # does this user have privileges to modify content.  
-        $allowed = &Apache::lonnet::allowed('mdc',$env{'request.course.id'});
+        unless ($r->uri eq '/adm/supplemental') {
+            $allowed = 1;
+        }
+        $canedit = 1;
+        $canview = 1;
+    } elsif (&Apache::lonnet::allowed('cev',$env{'request.course.id'})) {
+# URI is /adm/supplemental when viewing supplemental docs in non-edit mode.
+        unless ($r->uri eq '/adm/supplemental') {
+            $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);
+  } elsif ($allowed && $env{'form.shorturls'}) {
+      &init_breadcrumbs('shorturls','Set/Display Shortened URLs','Docs_Short_URLs');
+      &short_urls($r,$canedit);
   } elsif ($allowed && $env{'form.docslog'}) {
       &init_breadcrumbs('docslog','Show Log');
       my $folder = $env{'form.folder'};
       if ($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 && $env{'form.dumpcourse'}) {
-      &init_breadcrumbs('dumpcourse','Copy '.&Apache::loncommon::course_type().' Content to Authoring Space');
+      &checkversions($r,$canedit);
+  } elsif ($canedit && $env{'form.dumpcourse'}) {
+      &init_breadcrumbs('dumpcourse','Copy uploaded content to Authoring Space');
       &dumpcourse($r);
-  } elsif ($allowed && $env{'form.exportcourse'}) {
+  } elsif (($canedit || $canview) && ($env{'form.copyauthored'})) {
+      &init_breadcrumbs('copyauthored','Copy from Course Authoring to User Authoring');
+      my $readonly;
+      if (!$canedit) {
+          $readonly = 1;
+      }
+      &copycrsauthored($r,$coursenum,$coursedom,$coursehome,$readonly);
+  } elsif ($canedit && $env{'form.exportcourse'}) {
       &init_breadcrumbs('exportcourse','IMS Export');
       &Apache::imsexport::exportcourse($r);
   } else {
+      if ($canedit && $env{'form.authorrole'}) {
+          $noendpage = 1;
+          my ($redirect,$error) = &makenewproblem($r,$coursedom,$coursenum);
+          if ($redirect) {
+              if (($env{'form.newresourceadd'}) && ($env{'form.folderpath'})) {
+                  my $container = 'sequence'; 
+                  my ($breadcrumbtrail,$randompick,$ishidden,$isencrypted,$plain,
+                      $is_random_order,$container) =
+                      &Apache::lonhtmlcommon::docs_breadcrumbs($allowed,$crstype,1);
+                  my (@folders)=split('&',$env{'form.folderpath'});
+                  $env{'form.foldername'}=&unescape(pop(@folders));
+                  my $folder=pop(@folders);
+                  my ($errtext,$fatal) = &mapread($coursenum,$coursedom,
+                                                  $folder.'.'.$container);
+                  my $warning;
+                  if ($fatal) {
+                      if ($container eq 'page') {
+                          $warning = &mt('An error occurred retrieving the contents of the current page.');
+                      } else {
+                          $warning = &mt('An error occurred retrieving the contents of the current folder.');
+                      }
+                  } else {
+                      my $url = $redirect;
+                      my $srcfile = $londocroot.$url;
+                      $url =~ s{^/priv/}{/res/};
+                      my $targetfile = $londocroot.$url;
+                      my $nokeyref = &Apache::lonpublisher::getnokey($r->dir_config('lonIncludes'));
+                      my $output = &Apache::lonpublisher::batchpublish($r,$srcfile,$targetfile,$nokeyref,1);
+                      $env{'form.folder'} = $folder;
+                      &snapshotbefore();
+                      my $title = &LONCAPA::map::qtunescape($env{'form.newresourcetitle'});
+                      my $ext = 'false';
+                      my $newidx = &LONCAPA::map::getresidx(&LONCAPA::map::qtunescape($url));
+                      $LONCAPA::map::resources[$newidx]=$title.':'.&LONCAPA::map::qtunescape($url).
+                                                        ':'.$ext.':normal:res';
+                      push(@LONCAPA::map::order,$newidx);
+                      &LONCAPA::map::storeparameter($newidx,'parameter_hiddenresource','yes',
+                                                   'string_yesno');
+                      &remember_parms($newidx,'hiddenresource','set','yes');
+                      ($errtext,$fatal) =
+                          &storemap($coursenum, $coursedom, $folder.'.'.$container,1);
+                      &log_differences($plain);
+                      &mark_hash_old();
+                      $r->internal_redirect($redirect);
+                      return OK;
+                  }
+              } else {
+                  $r->internal_redirect($redirect);
+              }
+          }
+      }
 #
 # Done catching special calls
 # The whole rest is for course and supplemental documents and utilities menu
 # Get the parameters that may be needed
 #
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
-                                            ['folderpath',
+                                            ['folderpath','title',
                                              '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
 
@@ -4577,38 +6692,54 @@ sub handler {
     }
     if ($env{'form.forcesupplement'}) { $supplementalflag=1; }
     if ($env{'form.forcestandard'})   { $supplementalflag=0; }
-    unless ($allowed) { $supplementalflag=1; }
-    unless ($standard) { $supplementalflag=1; }
+    unless (($supplementalflag) ||
+            ($r->uri =~ m{^/adm/coursedocs/showdoc/uploaded/\Q$coursedom\E/\Q$coursenum\E/docs/})) {
+        unless ($allowed) { $supplementalflag=1; }
+        unless ($standard) { $supplementalflag=1; }
+    }
     my $toolsflag=0;
     if ($env{'form.tools'}) { $toolsflag=1; }
 
+    if ($env{'form.folderpath'} ne '') {
+        &Apache::loncommon::validate_folderpath($supplementalflag,$allowed,$coursenum,$coursedom);
+    }
+
+    my $backto_supppath;
+    if ($env{'form.supppath'} ne '') {
+        if ($supplementalflag && $allowed) {
+            $backto_supppath = &validate_supppath($coursenum,$coursedom);
+        }
+    }
+
     my $script='';
     my $showdoc=0;
     my $addentries = {};
     my $container;
     my $containertag;
     my $pathitem;
+    my %ltitools;
+    my $posslti;
+    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 ($env{'form.supppath'} ne '') {
+       } elsif (($env{'form.supppath'} ne '') && $supplementalflag && $allowed) {
            $env{'form.folderpath'}=$env{'form.supppath'};
            &Apache::lonnet::appenv({'docs.exit.'.$env{'request.course.id'} =>
-               $env{'form.command'}.'_'.$env{'form.supppath'}});
+               $env{'form.command'}.'_'.$backto_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'});
@@ -4627,13 +6758,23 @@ 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'});
         }
+        if ($env{'form.folderpath'} ne '') {
+            &Apache::loncommon::validate_folderpath($supplementalflag,$allowed,$coursenum,$coursedom);
+        }
     }
-   
-# If we are not allowed to make changes, all we can see are supplemental docs
-    if (!$allowed) {
+
+# Set folderpath if we are not allowed to make changes and this is supplemental content
+    if ((!$allowed) && ($supplementalflag)) {
         unless ($env{'form.folderpath'} =~ /^supplemental/) {
             $env{'form.folderpath'} = &supplemental_base();
         }
@@ -4644,19 +6785,101 @@ sub handler {
                                   .'&'.
                                   $env{'form.folderpath'};
     }
+# If allowed and user's role is not advanced check folderpath is not hidden
+    my $hidden_and_empty;
+    if (($allowed) && (!$env{'request.role.adv'}) && ($env{'form.folderpath'} ne '')) {
+        my ($folderurl,$foldername,$hiddenfolder);
+        my @pathitems = split(/\&/,$env{'form.folderpath'});
+        my $folder = $pathitems[-2];
+        if ($folder eq '') {
+            undef($env{'form.folderpath'});
+        } else {
+            $folderurl = "uploaded/$coursedom/$coursenum/$folder";
+            if ((split(/\:/,$pathitems[-1]))[5]) {
+                $folderurl .= '.page';
+            } else {
+                $folderurl .= '.sequence';
+            }
+            if ($supplementalflag) {
+                ($foldername,$hiddenfolder) = ($pathitems[-1] =~ /^([^:]*)::(|1):::$/);
+                $foldername = &HTML::Entities::decode(&unescape($foldername));
+                my ($supplemental) = &Apache::loncommon::get_supplemental($coursenum,$coursedom);
+                if (ref($supplemental) eq 'HASH') {
+                    my ($suppmap,$suppmapnum);
+                    if ($folder eq 'supplemental') {
+                        $suppmap = 'default';
+                        $suppmapnum = 0;
+                    } elsif ($folder =~ /^supplemental_(\d+)$/) {
+                        $suppmap = $1;
+                        $suppmapnum = $suppmap;
+                    }
+                    if ($hiddenfolder) {
+                        my $hascontent;
+                        foreach my $key (reverse(sort(keys(%{$supplemental->{'ids'}})))) {
+                            if ($key =~ m{^\Q/uploaded/$coursedom/$coursenum/supplemental/$suppmap/\E}) {
+                                $hascontent = 1;
+                            } elsif (ref($supplemental->{'ids'}->{$key}) eq 'ARRAY') {
+                                foreach my $id (@{$supplemental->{'ids'}->{$key}}) {
+                                    if ($id =~ /^$suppmapnum\:/) {
+                                        $hascontent = 1;
+                                        last;
+                                    }
+                                }
+                            }
+                            last if ($hascontent);
+                        }
+                        unless ($hascontent) {
+                            if ($foldername ne '') {
+                                $hidden_and_empty = $foldername;
+                            } else {
+                                $hidden_and_empty = $folder;
+                            }
+                        }
+                    }
+                }
+            } else {
+                unless (ref($navmap)) {
+                    $navmap = Apache::lonnavmaps::navmap->new();
+                }
+                ($foldername,$hiddenfolder) = ($pathitems[-1] =~ /^([^:]*):|\d+:|1:(|1):|1:|1$/);
+                $foldername = &HTML::Entities::decode(&unescape($foldername));
+                if (ref($navmap)) {
+                    if ($hiddenfolder ||
+                        (lc($navmap->get_mapparam(undef,$folderurl,"0.hiddenresource")) eq 'yes')) {
+                        my @resources = $navmap->retrieveResources($folderurl,$filterFunc,1,1);
+                        unless (@resources) {
+                            if ($foldername ne '') {
+                                $hidden_and_empty = $foldername;
+                            } else {
+                                $hidden_and_empty = $folder;
+                            }
+                        }
+                    }
+                }
+            }
+            if ($hidden_and_empty ne '') {
+                splice(@pathitems,-2);
+                if (@pathitems) {
+                    $env{'form.folderpath'} = join('&',@pathitems);
+                } else {
+                    undef($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($stored_folderpath,
                                                       {'folderpath' => 'scalar'});
         }
@@ -4674,8 +6897,12 @@ sub handler {
         } else {
             if ($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').':::::');
+                }
             }
         }
         $containertag = '<input type="hidden" name="folderpath" value="" />';
@@ -4686,7 +6913,7 @@ sub handler {
         if ($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');
             }
@@ -4715,7 +6942,7 @@ sub handler {
             my $tid = 1;
             my @tabids;
             if ($supplementalflag) {
-                @tabids = ('002','ee2','ff2');
+                @tabids = ('002','dd2','ee2','ff2');
                 $tid = 2;
             } else {
                 @tabids = ('aa1','bb1','cc1','ff1');
@@ -4725,13 +6952,34 @@ sub handler {
                 }
             }
             my $tabidstr = join("','",@tabids);
-	    $script .= &editing_js($udom,$uname,$supplementalflag).
+            my (%domtools,%crstools);
+            my %tooltypes = &Apache::loncommon::usable_exttools();
+            if ($tooltypes{'dom'}) {
+                %domtools = &Apache::lonnet::get_domain_lti($coursedom,'consumer');
+            }
+            if ($tooltypes{'crs'}) {
+                %crstools = &Apache::lonnet::get_course_lti($coursenum,$coursedom,'consumer');
+            }
+            %ltitools = (
+                          dom => \%domtools,
+                          crs => \%crstools,
+                        );
+            $posslti = scalar(keys(%domtools)) + scalar(keys(%crstools));
+            my $hostname = $r->hostname();
+	    $script .= &editing_js($udom,$uname,$supplementalflag,$coursedom,$coursenum,$posslti,
+                                   $londocroot,$canedit,$hostname,\$navmap).
                        &history_tab_js().
                        &inject_data_js().
                        &Apache::lonhtmlcommon::resize_scrollbox_js('docs',$tabidstr,$tid).
-                       &Apache::lonextresedit::extedit_javascript();
+                       &Apache::lonextresedit::extedit_javascript(\%ltitools);
+            my $onload = "javascript:resize_scrollbox('contentscroll','1','1');";
+            if ($hidden_and_empty ne '') {
+                my $alert = &mt("Additional privileges required to edit empty and hidden folder: '[_1]'",
+                                $hidden_and_empty);
+                $onload .= "javascript:alert('".&js_escape($alert)."');";
+            }
             $addentries = {
-                            onload   => "javascript:resize_scrollbox('contentscroll','1','1');",
+                            onload => $onload,
                           };
         }
         $script .= &paste_popup_js(); 
@@ -4745,43 +6993,83 @@ sub handler {
               .'// <![CDATA['."\n"
               .$script."\n"
               .'// ]]>'."\n"
-              .'</script>'."\n";
+              .'</script>'."\n"
+              .'<script type="text/javascript" 
+                src="/res/adm/includes/file_upload.js"></script>'."\n";
 
     # Breadcrumbs
     &Apache::lonhtmlcommon::clear_breadcrumbs();
 
     if ($showdoc) {
-        $r->print(&Apache::loncommon::start_page("$crstype documents",undef,
-                                                {'force_register' => $showdoc,}));
+        my $args;
+        if ($supplementalflag) {
+            my $title = &HTML::Entities::encode($env{'form.title'},'\'"<>&');
+            my $brcrum = &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
+            $args = {'bread_crumbs' => $brcrum,
+                     'bread_crumbs_nomenu' => 1};
+        } else {
+            $args = {'force_register' => $showdoc};
+        }
+        $r->print(&Apache::loncommon::start_page("$crstype documents",undef,$args));
     } elsif ($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') {
+        unless ($env{'request.role.adv'}) {
+            unless (&Apache::lonnet::has_unhidden_suppfiles($coursenum,$coursedom)) {
+                $r->internal_redirect('/adm/navmaps');
+                return OK;
+            }
+        }
         my $brcrum = &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype);
+        my $args = {'bread_crumbs' => $brcrum};
+        unless (($env{'form.folderpath'} eq '') ||
+                ($env{'form.folder'} eq 'supplemental')) {
+            $args->{'bread_crumbs_nomenu'} = 1;
+        }
         $r->print(&Apache::loncommon::start_page("Supplemental $crstype Content",undef,
-                                                {'bread_crumbs' => $brcrum,}));
+                                                 $args));
     } else {
+        my ($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 ($canedit) {
+      undef($suppchanges);
       if (($env{'form.uploaddoc.filename'}) &&
 	  ($env{'form.cmd'}=~/^upload_(\w+)/)) {
           my $context = $1; 
@@ -4789,9 +7077,14 @@ sub handler {
 	  undef($hadchanges);
           $uploadphase = &process_file_upload(\$upload_output,$coursenum,$coursedom,
                                               \%allfiles,\%codebase,$context,$crstype);
+          undef($navmap);
 	  if ($hadchanges) {
 	      &mark_hash_old();
 	  }
+          if ($suppchanges) {
+              &Apache::lonnet::update_supp_caches($coursedom,$coursenum);
+              undef($suppchanges);
+          }
           $r->print($upload_output);
       } elsif ($env{'form.phase'} eq 'upload_embedded') {
           # Process file upload - phase two - upload embedded objects 
@@ -4804,7 +7097,7 @@ sub handler {
           my ($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);
@@ -4815,11 +7108,11 @@ 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().
@@ -4833,7 +7126,7 @@ sub handler {
 
   if ($allowed && $toolsflag) {
       $r->print(&startContentScreen('tools'));
-      $r->print(&generate_admin_menu($crstype));
+      $r->print(&generate_admin_menu($crstype,$canedit,$coursenum,$coursedom));
       $r->print(&endContentScreen());
   } elsif ((!$showdoc) && (!$uploadphase)) {
 # -----------------------------------------------------------------------------
@@ -4841,10 +7134,13 @@ sub handler {
 		'copm' => 'All documents out of a published map into this folder',
                 'upfi' => 'Upload File',
                 'upld' => 'Upload Content',
-                'srch' => 'Search',
-                'impo' => 'Import',
+                'srch' => 'Search Repository',
+                'impo' => 'Import from Repository',
 		'lnks' => 'Import from Stored Links',
                 'impm' => 'Import from Assembled Map',
+                'imcr' => 'Import from Course Resources',
+                'extr' => 'External Resource',
+                'extt' => 'External Tool',
                 'selm' => 'Select Map',
                 'load' => 'Load Map',
                 'newf' => 'New Folder',
@@ -4854,6 +7150,10 @@ sub handler {
                 'sipa' => 'Simple Course Page',
                 'sipr' => 'Simple Problem',
                 'webp' => 'Blank Web Page (editable)',
+                'stpr' => 'Standard Problem',
+                'news' => 'New sub-directory',
+                'crpr' => 'Create Problem',
+                'swit' => 'Switch Server',
                 'drbx' => 'Drop Box',
                 'scuf' => 'External Scores (handgrade, upload, clicker)',
                 'bull' => 'Discussion Board',
@@ -4867,25 +7167,70 @@ sub handler {
                 'se'   => 'Select',
                 'file' =>  'File',
                 'title' => 'Title',
+                'addp' => 'Add Placeholder to course?',
+                'uste' => 'Use Template?',
+                'fnam' => 'File Name:',
+                'loca' => 'Location:',
+                'dire' => 'Directory:',
+                'cate' => 'Category:',
+                'tmpl' => 'Template:',
+                'empd' => 'No resources found',
                 'comment' => 'Comment',
                 'parse' => 'Upload embedded images/multimedia files if HTML file',
                 'bb5'      => 'Blackboard 5',
                 'bb6'      => 'Blackboard 6',
                 'angel5'   => 'ANGEL 5.5',
                 'webctce4' => 'WebCT 4 Campus Edition',
+                'yes'      => 'Yes',
+                'no'       => 'No',
+                'er' => 'Editing rights unavailable for your current role.',
         );
 # -----------------------------------------------------------------------------
+
+    # Calculate free quota space for a user or course. A javascript function checks
+    # file size to determine if upload should be allowed.
+    my $quotatype = 'unofficial';
+    if ($crstype eq 'Community') {
+        $quotatype = 'community';
+    } elsif ($crstype eq 'Placement') {
+        $quotatype = 'placement';
+    } elsif ($env{'course.'.$coursedom.'_'.$coursenum.'.internal.coursecode'}) {
+        $quotatype = 'official';
+    } elsif ($env{'course.'.$coursedom.'_'.$coursenum.'.internal.textbook'}) {
+        $quotatype = 'textbook';
+    }
+    my $disk_quota = &Apache::loncommon::get_user_quota($coursenum,$coursedom,
+                     'course',$quotatype); # expressed in MB
+    my $current_disk_usage = 0;
+    foreach my $subdir ('docs','supplemental') {
+        $current_disk_usage += &Apache::lonnet::diskusage($coursedom,$coursenum,
+                               "userfiles/$subdir",1); # expressed in kB
+    }
+    my $free_space = 1024 * ((1024 * $disk_quota) - $current_disk_usage);
+    my $usage = $current_disk_usage/1024; # in MB
+    my $quota = $disk_quota;
+    my $percent;
+    if ($disk_quota == 0) {
+        $percent = 100.0;
+    } else {
+        $percent = 100*($usage/$disk_quota);
+    }
+    $usage = sprintf("%.2f",$usage);
+    $quota = sprintf("%.2f",$quota);
+    $percent = sprintf("%.0f",$percent);
+    my $quotainfo = '<p>'.&mt('Currently using [_1] of the [_2] available.',
+                              $percent.'%',$quota.' MB').'</p>';
+
 	my $fileupload=(<<FIUP);
+        $quotainfo
 	$lt{'file'}:<br />
-	<input type="file" name="uploaddoc" size="40" />
 FIUP
-
 	my $checkbox=(<<CHBO);
 	<!-- <label>$lt{'parse'}?
 	<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 = $env{'form.folder'};
@@ -4899,10 +7244,12 @@ CHBO
         <fieldset id="uploadimsform" style="display: none;">
         <legend>$lt{'imsf'}</legend>
         $fileupload
+        <input type="file" name="uploaddoc" id="uploaddocims" class="LC_flUpload LC_uploaddoc" size="40" $disabled />
+        <input type="hidden" id="LC_free_space_ims" value="$free_space" />
         <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>
@@ -4912,7 +7259,7 @@ 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);" $disabled />
         </fieldset>
         </form>
 IMSFORM
@@ -4924,10 +7271,12 @@ IMSFORM
         <fieldset id="uploaddocform" style="display: none;">
         <legend>$lt{'upfi'}</legend>
 	<input type="hidden" name="active" value="aa" />
-	$fileupload
+    $fileupload
+        <input type="file" name="uploaddoc" class="LC_flUpload" size="40" $disabled />
+        <input type="hidden" id="LC_free_space" value="$free_space" />
 	<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 />
@@ -4935,11 +7284,17 @@ 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'}
@@ -4950,31 +7305,101 @@ 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>
 
 SEDFFORM
+        my ($importcrsresform,$checkcrsres);
+        if ($env{'course.'.$coursedom.'_'.$coursenum.'.internal.crsauthor'}) {
+            $checkcrsres = 1;
+        } elsif ($env{'course.'.$coursedom.'_'.$coursenum.'.internal.crsauthor'} ne '0') {
+            my %domdefs=&Apache::lonnet::get_domain_defaults($coursedom);
+            my $type = lc($env{'course.'.$env{'request.course.id'}.'.type'});
+            unless (($type eq 'community') || ($type eq 'placement')) {
+                $type = 'unofficial';
+                if ($env{'course.'.$env{'request.course.id'}.'internal.coursecode'} ne '') {
+                    $type = 'official';
+                } elsif ($env{'course.'.$env{'request.course.id'}.'internal.textbook'} ne '') {
+                    $type = 'textbook';
+                } else {
+                    $type = 'unofficial';
+                }
+            }
+            if ($domdefs{$type.'crsauthor'}) {
+                $checkcrsres = 1;
+            }
+        }
+        if ($checkcrsres) {
+            my ($numdirs,$pickfile) = 
+                &Apache::loncommon::import_crsauthor_form('coursepath','coursefile',
+                                                          "resize_scrollbox('contentscroll','1','0');",
+                                                          undef,'res');
+            if ($pickfile) {
+                $importcrsresform=(<<CRSFORM);
+        <a class="LC_menubuttons_link" href="javascript:toggleImportCrsres('res');">
+        $lt{'imcr'}</a>$help{'Course_Resources'}
+        <form action="/adm/coursedocs" method="post" name="crsresimportform" onsubmit="return validImportCrsRes();">
+        <fieldset id="importcrsresform" style="display: none;">
+        <legend>$lt{'imcr'}</legend>
+        <div id="importcrsrescontent" style="display: none;">
+        <input type="hidden" name="active" value="bb" />
+        $pickfile
+        <p>
+        $lt{'title'}: <input type="text" name="crsrestitle" value="" $disabled />
+        </p>
+        <input type="hidden" name="importdetail" value="" />
+        <input type="submit" name="crsres" value="$lt{'impo'}" $disabled /><br />
+        </div>
+        <div id="importcrsresempty" style="display: none;">
+        <p>
+        $lt{'empd'}
+        </p>
+        </div>
+        </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/src.png" alt="'.$lt{srch}.'"  onclick="javascript:groupsearch()" />' => $pathitem."<a class='LC_menubuttons_link' href='javascript:groupsearch()'>$lt{'srch'}</a>$help{'Search_LON-CAPA_Resource'}" },
 	{ '<img class="LC_noBorder LC_middle" src="/res/adm/pages/res.png" alt="'.$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/sequence.png" alt="'.$lt{impm}.'" onclick="javascript:toggleMap(\'map\');" />' => $importpubform }
-	);
+	{ '<img class="LC_noBorder LC_middle" src="/res/adm/pages/wishlist.png" alt="'.$lt{lnks}.'" onclick="javascript:'.$fromstoredjs.';" />' => '<a class="LC_menubuttons_link" href="javascript:'.$fromstoredjs.';">'.$lt{'lnks'}.'</a>'.$help{'Import_Stored_Links'} },
+        { '<img class="LC_noBorder LC_middle" src="/res/adm/pages/sequence.png" alt="'.$lt{impm}.'" onclick="javascript:toggleMap(\'map\');" />' => $importpubform },
+        );
+        if ($importcrsresform) {
+            push(@importpubforma,{ '<img class="LC_noBorder LC_middle" src="/res/adm/pages/impcrsau.png" alt="'.$lt{imcr}.'"  onclick="javascript:toggleImportCrsres(\'res\');" />' => $importcrsresform});
+	}
 	$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,$coursenum,
+                                                 \%ltitools,$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">
@@ -4984,6 +7409,11 @@ SEDFFORM
    <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".
@@ -5006,12 +7436,12 @@ 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'));
@@ -5020,9 +7450,13 @@ HIDDENFORM
        }
        my $postexec='';
        if ($folder eq 'default') {
+           my $windowname = 'loncapaclient';
+           if ($env{'request.lti.login'}) {
+               $windowname .= 'lti';
+           }
            $r->print('<script type="text/javascript">'."\n"
                     .'// <![CDATA['."\n"
-                    .'this.window.name="loncapaclient";'."\n"
+                    .'this.window.name="'.$windowname.'";'."\n"
                     .'// ]]>'."\n"
                     .'</script>'."\n"
        );
@@ -5035,17 +7469,17 @@ HIDDENFORM
 
 	my $newnavform=(<<NNFORM);
 	<form action="/adm/coursedocs" method="post" name="newnav">
-	<input type="hidden" name="active" value="ee" />
+	<input type="hidden" name="active" value="ff" />
 	$pathitem
 	<input type="hidden" name="importdetail" 
 	value="$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
 	my $newsmppageform=(<<NSPFORM);
 	<form action="/adm/coursedocs" method="post" name="newsmppg">
-	<input type="hidden" name="active" value="ee" />
+	<input type="hidden" name="active" value="ff" />
 	$pathitem
 	<input type="hidden" name="importdetail" value="" />
 	<a class="LC_menubuttons_link" href="javascript:makesmppage();"> $lt{'sipa'}</a>
@@ -5055,7 +7489,7 @@ NSPFORM
 
 	my $newsmpproblemform=(<<NSPROBFORM);
 	<form action="/adm/coursedocs" method="post" name="newsmpproblem">
-	<input type="hidden" name="active" value="cc" />
+	<input type="hidden" name="active" value="dd" />
 	$pathitem
 	<input type="hidden" name="importdetail" value="" />
 	<a class="LC_menubuttons_link" href="javascript:makesmpproblem();">$lt{'sipr'}</a>
@@ -5066,7 +7500,7 @@ NSPROBFORM
 
 	my $newdropboxform=(<<NDBFORM);
 	<form action="/adm/coursedocs" method="post" name="newdropbox">
-	<input type="hidden" name="active" value="cc" />
+	<input type="hidden" name="active" value="dd" />
 	$pathitem
 	<input type="hidden" name="importdetail" value="" />
 	<a class="LC_menubuttons_link" href="javascript:makedropbox();">$lt{'drbx'}</a>
@@ -5076,7 +7510,7 @@ NDBFORM
 
 	my $newexuploadform=(<<NEXUFORM);
 	<form action="/adm/coursedocs" method="post" name="newexamupload">
-	<input type="hidden" name="active" value="cc" />
+	<input type="hidden" name="active" value="dd" />
 	$pathitem
 	<input type="hidden" name="importdetail" value="" />
 	<a class="LC_menubuttons_link" href="javascript:makeexamupload();">$lt{'scuf'}</a>
@@ -5086,7 +7520,7 @@ NEXUFORM
 
 	my $newbulform=(<<NBFORM);
 	<form action="/adm/coursedocs" method="post" name="newbul">
-	<input type="hidden" name="active" value="dd" />
+	<input type="hidden" name="active" value="ee" />
 	$pathitem
 	<input type="hidden" name="importdetail" value="" />
 	<a class="LC_menubuttons_link" href="javascript:makebulboard();" >$lt{'bull'}</a>
@@ -5096,18 +7530,18 @@ NBFORM
 
 	my $newaboutmeform=(<<NAMFORM);
 	<form action="/adm/coursedocs" method="post" name="newaboutme">
-	<input type="hidden" name="active" value="dd" />
+	<input type="hidden" name="active" value="ee" />
 	$pathitem
 	<input type="hidden" name="importdetail" 
 	value="$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
 
 	my $newaboutsomeoneform=(<<NASOFORM);
 	<form action="/adm/coursedocs" method="post" name="newaboutsomeone">
-	<input type="hidden" name="active" value="dd" />
+	<input type="hidden" name="active" value="ee" />
 	$pathitem
 	<input type="hidden" name="importdetail" value="" />
 	<a class="LC_menubuttons_link" href="javascript:makeabout();">$lt{'abou'}</a>
@@ -5116,11 +7550,11 @@ NASOFORM
 
 	my $newrosterform=(<<NROSTFORM);
 	<form action="/adm/coursedocs" method="post" name="newroster">
-	<input type="hidden" name="active" value="dd" />
+	<input type="hidden" name="active" value="ee" />
 	$pathitem
 	<input type="hidden" name="importdetail" 
 	value="$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
@@ -5137,14 +7571,172 @@ NROSTFORM
         }
         my $newwebpageform =(<<NWEBFORM);
         <form action="/adm/coursedocs" method="post" name="newwebpage">
-        <input type="hidden" name="active" value="ee" />
+        <input type="hidden" name="active" value="ff" />
         $pathitem
         <input type="hidden" name="importdetail" value="$newwebpage" />
         <a class="LC_menubuttons_link" href="javascript:makewebpage();">$lt{'webp'}</a>
         $help{'Web_Page'}
         </form>
 NWEBFORM
- 
+        my $showpath = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
+        my @ids=&Apache::lonnet::current_machine_ids();
+        my $machines_str = "'".join("','",@ids)."'";
+        my (%is_home,%toppath,$rolehomes);
+        if ($env{'user.author'}) {
+            if (grep(/^\Q$env{'user.home'}\E$/,@ids)) {
+                $is_home{'author'} = 1;
+            }
+            $rolehomes = '<input type="hidden" id="rolehome_author" name="rolehome_author" value="'.$env{'user.home'}.'" />'."\n";
+        }
+        my %roleshash = &Apache::lonnet::get_my_roles($env{'user.name'},$env{'user.domain'},'userroles',
+                                                      ['active'],['ca','aa']);
+        my %by_roletype;
+        if (keys(%roleshash)) {
+            foreach my $entry (keys(%roleshash)) {
+                my ($auname,$audom,$roletype) = split(/:/,$entry);
+                my $key = $entry;
+                $key =~ s/:/___/g;
+                my $author = $auname.'___'.$audom;
+                $by_roletype{$roletype}{$author} = 1;
+                my $rolehome = &Apache::lonnet::homeserver($auname,$audom);
+                $toppath{$author} = "/priv/$audom/$auname";
+                if (grep(/^\Q$rolehome\E$/,@ids)) {
+                    $is_home{$author} = 1;
+                }
+                $rolehomes .= '<input type="hidden" id="rolehome_coauthor_'.$roletype.'_'.$audom.'/'.$auname.'" '.
+                              'name="rolehome_coauthor" value="'.$roletype.'='.$audom.'/'.$auname.'='.$rolehome.'" />'."\n";
+            }
+        }
+        my $crshome = $env{'course.'.$env{'request.course.id'}.'.home'};
+        if (grep(/^\Q$crshome\E$/,@ids)) {
+            $is_home{'course'} = 1;
+        }
+        $rolehomes .= '<input type="hidden" id="rolehome_course" name="rolehome_course" value="'.$crshome.'" />'."\n";
+        my $pickdir = $lt{'loca'}.
+                   '<select name="authorrole" onchange="populateDirSelects(this.form,'."'authorrole','authorpath'".',1,1,0);">'."\n".
+                   '<option value="" selected="selected">'.&mt('Select').'</option>'."\n";
+        if ($env{'user.author'}) {
+            $pickdir .= '<option value="author">'.&Apache::lonnet::plaintext('au').'</option>'."\n";
+        }
+        if (keys(%by_roletype)) {
+            foreach my $possrole ('ca','aa') {
+                if (ref($by_roletype{$possrole}) eq 'HASH') {
+                    my $roletitle = &Apache::lonnet::plaintext($possrole);
+                    foreach my $author (sort { lc($a) cmp lc($b) } (keys(%{$by_roletype{$possrole}}))) {
+                        my ($none,$where,$auname,$audom) = split(/\//,$toppath{$author});
+                        $pickdir .= '<option value="'.$author.'___'.$possrole.'">'.
+                                     $roletitle." ($audom/$auname)</option>\n";
+                    }
+                }
+            }
+        }
+        if ($checkcrsres) {
+            $pickdir .= '<option value="course">'.&mt('Course Resource').'</option>'."\n";
+        }
+        $pickdir .= '</select><br />'."\n".
+                    $lt{'dire'}.
+                    '<select name="authorpath" onchange="toggleCrsResTitle();">'.
+                    '<option value=""></option>'.
+                    '</select><br />'."\n";
+        my %seltemplate_menus;
+        my @files = &Apache::lonhomework::get_template_list('problem');
+        my @noexamplelink = ('blank.problem','blank.library','script.library');
+        my $currentcategory = '';
+        my @ordered = ('');
+        my %templatehelp;
+        my $defcategory = '';
+        my @catorder = ($defcategory);
+        $seltemplate_menus{$defcategory}->{'order'} = [''];
+        $seltemplate_menus{$defcategory}->{'text'} = '';
+        foreach my $file (@files) {
+            if (ref($file) eq 'ARRAY') {
+                my ($path,$title,$category,$help) = @{$file};
+                next if ($title !~ /\S/);
+                if (&js_escape($category) ne $currentcategory) {
+                    $currentcategory = &js_escape($category);
+                    push(@catorder,&js_escape($currentcategory));
+                    $seltemplate_menus{$currentcategory}->{'text'} = $category;
+                    $seltemplate_menus{$currentcategory}->{'default'} = '';
+                    $seltemplate_menus{$currentcategory}->{'select2'}->{''} = '';
+                    push(@{$seltemplate_menus{$currentcategory}->{'order'}},'');
+                }
+                if ($path) {
+                    $seltemplate_menus{$currentcategory}->{'select2'}->{&js_escape($path)} = $title;
+                    push(@{$seltemplate_menus{$currentcategory}->{'order'}},&js_escape($path));
+                    if ($help) {
+                        $templatehelp{$path} = $help;
+                    }
+                }
+            }
+        }
+
+        my $templates = $lt{'cate'}.' '.
+                        &Apache::loncommon::linked_select_forms('courseresform','<br />'.$lt{'tmpl'}.' ',
+                                                                $defcategory,'tempcategory','template',
+                                                                \%seltemplate_menus,\@catorder,
+                                                                "resize_scrollbox('contentscroll','1','0');",
+                                                                "toggleExampleText();",'template').'<br />';
+        my $templatepreview =  '<a href="#" target="sample" onclick="javascript:getExample(600,420,\'yes\',true);  return false;">'.
+                               '<span id="newresexample">'.&mt('Example').'</span></a>';
+        my $crsresform;
+        if (($env{'user.author'}) || ($checkcrsres)) {
+            $crsresform=(<<RESFORM);
+        <a class="LC_menubuttons_link" href="javascript:toggleCrsRes('res');">
+        $lt{'stpr'}</a>$help{'Standard_Problem'}
+        <form action="/adm/coursedocs" method="post" name="courseresform">
+        <fieldset id="crsresform" style="display:none;">
+        <legend>$lt{'stpr'}</legend>
+        <input type="hidden" name="active" value="bb" />
+        <p>
+        $pickdir
+        </p>
+        <div id="newstdproblem" style="display:none;">
+        <p>
+        <span class="LC_nobreak">$lt{'news'}?&nbsp;
+        <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);" $disabled />Yes</label>
+        </span><span id="newsubdir"></span>
+        <input type="hidden" name="newsubdirname" id="newsubdirname" value="" autocomplete="off" />
+        </p>
+        </div>
+        $lt{'fnam'}
+        <input type="text" size="20" name="newresourcename" autocomplete="off" $disabled />
+        <div id="newresource" style="display:none">
+        <p>
+        $lt{'addp'}
+        <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);" $disabled />
+        $lt{'yes'}</label>
+        <span id="newrestitle"></span>
+        <input type="hidden" size="20" name="newresourcetitle" id="newresourcetitle" autocomplete="off" $disabled />
+        </p>
+        </div>
+        <p>
+        $lt{'uste'}
+        <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);" $disabled />
+        $lt{'yes'}</label>
+        </p>
+        <div id="newrestemplate" style="display:none">
+        $templates
+        $templatepreview
+        </div>
+        <span class="LC_nobreak">
+        <input type="hidden" name="folderpath" value="$showpath" />
+        <input type="submit" name="newcrs" value="$lt{'crpr'}" $disabled />
+        </span>
+        <div id="stdprobswitch" style="display:none;">
+        $rolehomes
+        <input type="button" name="switchfornewprob" value="$lt{'swit'}" onclick="switchForProb();" />
+        </div>
+        </fieldset>
+        </form>
+
+RESFORM
+        }
 
 my $specialdocumentsform;
 my @specialdocumentsforma;
@@ -5183,7 +7775,7 @@ 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>
@@ -5191,27 +7783,40 @@ NSYLFORM
 
 	my $newgroupfileform=(<<NGFFORM);
 	<form action="/adm/coursedocs" method="post" name="newgroupfiles">
-	<input type="hidden" name="active" value="dd" />
+	<input type="hidden" name="active" value="ee" />
 	$pathitem
 	<input type="hidden" name="importdetail"
 	value="$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>
 	$help{'Group Portfolio'}
 	</form>
 NGFFORM
-	@specialdocumentsforma=(
+        if ($container eq 'page') {
+            @specialdocumentsforma=(
+        {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/webpage.png" alt="'.$lt{webp}.'" onclick="javascript:makewebpage();" />'=>$newwebpageform},
+            );
+        } else {
+	    @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},
-        );
+            );
+        }
         $specialdocumentsform = &create_form_ul(&create_list_elements(@specialdocumentsforma));
 
-
-        my @importdoc = (
-        {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/extres.png" alt="'.$lt{extr}.'" onclick="toggleUpload(\'ext\');" />'=>$extresourcesform}
+        my @external = (
+        {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/extres.png" alt="'.$lt{extr}.'" onclick="toggleExternal(\'ext\');" />'=>$extresourcesform}
         );
+        if ($posslti) {
+            push(@external,
+                 {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/exttool.png" alt="'.$lt{extt}.'" onclick="toggleExternal(\'tool\');" />'=>$exttoolform},
+            );
+        }
+        my $externalform = &create_form_ul(&create_list_elements(@external));
+
+        my @importdoc = ();
         unless ($container eq 'page') {
             push(@importdoc,
                 {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/ims.png" alt="'.$lt{imsf}.'" onclick="javascript:toggleUpload(\'ims\');" />'=>$imspform}
@@ -5225,41 +7830,50 @@ NGFFORM
         @gradingforma=(
         {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/simpprob.png" alt="'.$lt{sipr}.'" onclick="javascript:makesmpproblem();" />'=>$newsmpproblemform},
         {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/dropbox.png" alt="'.$lt{drbx}.'" onclick="javascript:makedropbox();" />'=>$newdropboxform},
-        {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/scoreupfrm.png" alt="'.$lt{scuf}.'" onclick="javascript:makeexamupload();" />'=>$newexuploadform},
-
+        {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/scoreupfrm.png" alt="'.$lt{scuf}.'" onclick="javascript:makeexamupload();" />'=>$newexuploadform}
         );
+        if ($crsresform) {
+            push(@gradingforma,
+                 {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/simpprob.png" alt="'.$lt{stpr}.'" onclick="javascript:toggleCrsRes(\'res\');" />'=>$crsresform}
+            );
+        }
         $gradingform = &create_form_ul(&create_list_elements(@gradingforma));
 
         @communityforma=(
        {'<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));
 
 my %orderhash = (
                 'aa' => ['Upload',$fileuploadform],
-                'bb' => ['Import',$importpubform],
-                'cc' => ['Grading',$gradingform],
+                'bb' => ['External',$externalform],
+                'cc' => ['Import',$importpubform],
+                'dd' => ['Assessment',$gradingform],
+                'ff' => ['Other',$specialdocumentsform],
                 );
 unless ($container eq 'page') {
     $orderhash{'00'} = ['Newfolder',$newfolderform];
-    $orderhash{'dd'} = ['Collaboration',$communityform];
-    $orderhash{'ee'} = ['Other',$specialdocumentsform];
+    $orderhash{'ee'} = ['Collaboration',$communityform];
 }
 
  $hadchanges=0;
        unless (($supplementalflag || $toolsflag)) {
           my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,'',$crstype,
-                              $supplementalflag,\%orderhash,$iconpath,$pathitem);
+                              $supplementalflag,\%orderhash,$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($r,'');
         }
@@ -5271,7 +7885,7 @@ unless ($container eq 'page') {
        unless ($supplementalflag) {
 	   $folder='supplemental';
        }
-       if ($folder =~ /^supplemental$/ &&
+       if (($folder eq 'supplemental') &&
 	   (($env{'form.folderpath'} =~ /^default\&/) || ($env{'form.folderpath'} eq ''))) {
           $env{'form.folderpath'} = &supplemental_base();
        } elsif ($allowed) {
@@ -5289,8 +7903,10 @@ 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
+        <input type="file" name="uploaddoc" id="uploaddocsupp" class="LC_flUpload LC_uploaddoc" size="40" $disabled />
+        <input type="hidden" id="LC_free_space_supp" value="$free_space" />
 	<br />
 	<br />
 	<span class="LC_nobreak">
@@ -5303,6 +7919,7 @@ unless ($container eq 'page') {
 	$pathitem
 	<input type="hidden" name="cmd" value="upload_supplemental" />
         <input type='submit' value="$lt{'upld'}" />
+        </fieldset>
         </form>
 SUPDOCFORM
 
@@ -5318,7 +7935,15 @@ 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,
+                                                 $coursenum,\%ltitools,$disabled);
 
 	my $supnewsylform=(<<SNSFORM);
 	<form action="/adm/coursedocs" method="post" name="supnewsyl">
@@ -5326,7 +7951,7 @@ 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
@@ -5337,7 +7962,7 @@ 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
@@ -5364,49 +7989,50 @@ 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},
 
 		);
-my @supimportdoc = (
-		{'<img class="LC_noBorder LC_middle" src="/res/adm/pages/extres.png" alt="'.$lt{extr}.'" onclick="javascript:toggleUpload(\'suppext\')" />'
-            =>$supextform},
-                {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/pdfupload.png" alt="'.$lt{upl}.'" onclick="javascript:toggleUpload(\'suppdoc\');" />'
+        my @supexternal = (
+            {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/extres.png" alt="'.$lt{extr}.'" onclick="javascript:toggleExternal(\'suppext\')" />'
+             =>$supextform});
+        if ($posslti) {
+            push(@supexternal,
+                 {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/exttool.png" alt="'.$lt{extt}.'" onclick="javascript:toggleExternal(\'supptool\')" />'
+            =>$supexttoolform});
+        }
+        my @supimportdoc = (
+            {'<img class="LC_noBorder LC_middle" src="/res/adm/pages/pdfupload.png" alt="'.$lt{upl}.'" onclick="javascript:toggleUpload(\'suppdoc\');" />'
             =>$supupdocform},
-                   );
+        );
 
 $supupdocform =  &create_form_ul(&create_list_elements(@supimportdoc));
 my %suporderhash = (
 		'00' => ['Supnewfolder', $supnewfolderform],
-                'ee' => ['Upload',$supupdocform],
+                'dd' => ['Upload',$supupdocform],
+                'ee' => ['External',&create_form_ul(&create_list_elements(@supexternal))],
                 'ff' => ['Other',&create_form_ul(&create_list_elements(@specialdocs))]
                 );
         if ($supplementalflag) {
-           my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,'',$crstype,
-                               $supplementalflag,\%suporderhash,$iconpath,$pathitem);
-           if ($error) {
-              $r->print('<p><span class="LC_error">'.$error.'</span></p>');
-           } else {
-               if ($suppchanges) {
-                   my %servers = &Apache::lonnet::internet_dom_servers($coursedom);
-                   my @ids=&Apache::lonnet::current_machine_ids();
-                   foreach my $server (keys(%servers)) {
-                       next if (grep(/^\Q$server\E$/,@ids));
-                       my $hashid=$coursenum.':'.$coursedom;
-                       my $cachekey = &escape('suppcount').':'.&escape($hashid);
-                       &Apache::lonnet::remote_devalidate_cache($server,[$cachekey]);
-                   }
-                   &Apache::lonnet::get_numsuppfiles($coursenum,$coursedom,1);
-                   undef($suppchanges);
-               }
-           }
+            $suppchanges = 0;
+            my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,'',$crstype,
+                                $supplementalflag,\%suporderhash,$iconpath,$pathitem,
+                                \%ltitools,$canedit,$hostname);
+            if ($error) {
+                $r->print('<p><span class="LC_error">'.$error.'</span></p>');
+            }
+            if ($suppchanges) {
+                &Apache::lonnet::update_supp_caches($coursedom,$coursenum);
+                undef($suppchanges);
+            }
         }
     } elsif ($supplementalflag) {
         my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,'',$crstype,
-                            $supplementalflag,'',$iconpath,$pathitem);
+                            $supplementalflag,'',$iconpath,$pathitem,'',$canedit,
+                            $hostname);
         if ($error) {
             $r->print('<p><span class="LC_error">'.$error.'</span></p>');
         }
@@ -5433,13 +8059,16 @@ my %suporderhash = (
                 &entryline(0,&mt("Click to download or use your browser's Save Link function"),$showdoc).'</table>');
   }
  }
- $r->print(&Apache::loncommon::end_page());
+ unless ($noendpage) {
+     $r->print(&Apache::loncommon::end_page());
+ }
  return OK;
 }
 
 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" />
@@ -5460,7 +8089,11 @@ 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,$dir_root);
 }
@@ -5486,6 +8119,9 @@ sub decompression_info {
     }
     unshift(@hiddens,$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";
@@ -5503,7 +8139,7 @@ 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,
                                                       $hiddenelem);
@@ -5560,6 +8196,10 @@ sub remove_archive {
             if ($url eq $env{'form.archiveurl'}) {
                 if (&handle_edit_cmd($docuname,$docudom)) {
                     ($errtext,$fatal) = &storemap($docuname,$docudom,$map,1);
+                    if ($suppchanges) {
+                        &Apache::lonnet::update_supp_caches($docudom,$docuname);
+                        undef($suppchanges);
+                    }
                     if ($fatal) {
                         if ($container eq 'page') {
                             $delwarning = &mt('An error occurred updating the contents of the current page.');
@@ -5591,21 +8231,25 @@ sub remove_archive {
 }
 
 sub generate_admin_menu {
-    my ($crstype) = @_;
+    my ($crstype,$canedit,$coursenum,$coursedom) = @_;
     my $lc_crstype = lc($crstype);
     my ($home,$other,%outhash)=&authorhosts();
     my %lt= ( # do not translate here
                                          'vc'   => 'Verify Content',
                                          'cv'   => 'Check/Set Resource Versions',
                                          'ls'   => 'List Resource Identifiers',
+                                         'ct'   => 'Display/Set Shortened URLs for Deep-linking',
+                                         'ca'   => "Enter $crstype Authoring Space",
                                          'imse' => 'Export contents to IMS Archive',
-                                         'dcd'  => "Copy $crstype Content to Authoring Space",
+                                         'dcd'  => 'Copy uploaded content to Authoring Space',
+                                         'cpc'  => 'Copy from Course Authoring to User Authoring',
             );
-    my ($candump,$dumpurl);
+    my ($candump,$dumpurl,$exportcrsurl);
     if ($home + $other > 0) {
         $candump = 'F';
         if ($home) {
             $dumpurl = "javascript:injectData(document.courseverify,'dummy','dumpcourse','$lt{'dcd'}')";
+            $exportcrsurl = "javascript:injectData(document.courseverify,'dummy','copyauthored','$lt{'cpc'}')";
         } else {
             my @hosts;
             foreach my $aurole (keys(%outhash)) {
@@ -5619,8 +8263,10 @@ sub generate_admin_menu {
                                &HTML::Entities::encode($env{'request.role'},'"<>&').'&amp;origurl='.
                                &HTML::Entities::encode('/adm/coursedocs?dumpcourse=1','"<>&');
                 $dumpurl = "javascript:dump_needs_switchserver('$switchto')";
+                $exportcrsurl = $dumpurl;
             } else {
                 $dumpurl = "javascript:choose_switchserver_window()";
+                $exportcrsurl = $dumpurl;
             }
         }
     }
@@ -5648,8 +8294,42 @@ sub generate_admin_menu {
                     icon       => 'symbs.png',
                     linktitle  => "List the unique identifier used for each resource instance in your $lc_crstype"
                 },
+                {   linktext   => $lt{'ct'},
+                    url        => "javascript:injectData(document.courseverify,'dummy','shorturls','$lt{'ct'}')",
+                    permission => 'F',
+                    help       => 'Docs_Short_URLs',
+                    icon       => 'shorturls.png',
+                    linktitle  => "Set shortened URLs for a resource or folder in your $lc_crstype for use in deep-linking"
+                },
                 ]
-        },
+        });
+    if ($canedit) {
+        my ($crsauname,$crsaudom,$crshome);
+        if (($coursenum ne '') && ($coursedom ne '')) {
+            my $crsauthorurl = "/priv/$coursedom/$coursenum/";
+            ($crsauname,$crsaudom,$crshome) = &Apache::lonnet::constructaccess($crsauthorurl);
+            if (($crsauname eq $coursenum) && ($crsaudom eq $coursedom)) {
+                my @ids=&Apache::lonnet::current_machine_ids();
+                my $linkurl;
+                if (grep(/^\Q$crshome\E$/,@ids)) {
+                    $linkurl = $crsauthorurl;
+                } else {
+                    $linkurl =
+                        &Apache::lonhtmlcommon::jump_to_editres($crsauthorurl,$crshome,1);
+                }
+                if ((ref($menu[0]) eq 'HASH') && (ref($menu[0]->{'items'}) eq 'ARRAY')) {
+                     push(@{$menu[0]->{items}},
+                     {   linktext   => $lt{'ca'},
+                         url        => $linkurl,
+                         permission => 'F',
+                         help       => 'Docs_Course_Authorspace',
+                         icon       => 'impcrsau.png',
+                         linktitle  => $lt{'ca'},
+                     });
+                }
+            }
+        }
+        push(@menu,
         {   categorytitle=>'Export',
             items =>[
                 {   linktext   => $lt{'imse'},
@@ -5668,6 +8348,19 @@ sub generate_admin_menu {
                 },
                 ]
         });
+        if (($crsauname eq $coursenum) && ($crsaudom eq $coursedom)) {
+            if ((ref($menu[1]) eq 'HASH') && (ref($menu[1]->{'items'}) eq 'ARRAY')) {
+                push(@{$menu[1]->{items}},
+                     {   linktext   => $lt{'cpc'},
+                         url        => $exportcrsurl,
+                         permission => 'F',
+                         help       => 'Docs_Export_Course_Author',
+                         icon       => 'res.png',
+                         linktitle  => $lt{'cpc'},
+                     });
+            }
+        }
+    }
     return '<form action="/adm/coursedocs" method="post" name="courseverify">'."\n".
            '<input type="hidden" id="dummy" />'."\n".
            &Apache::lonhtmlcommon::generate_menu(@menu)."\n".
@@ -5676,15 +8369,16 @@ 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');
     $form = '<div class="LC_Box" style="margin:0;">'.
@@ -5748,7 +8442,7 @@ sub generate_edit_table {
 <input type="hidden" name="multicopy" value="" />
 <input type="hidden" name="multichange" value="" />
 <input type="hidden" name="copyfolder" value="$copyfolder" />
-<input type="submit" name="savemultiples" value="$button" />
+<input type="submit" name="savemultiples" value="$button" $disabled />
 </form>
 </div>
 END
@@ -5774,8 +8468,9 @@ END
 }
 
 sub editing_js {
-    my ($udom,$uname,$supplementalflag) = @_;
-    my %lt = &Apache::lonlocal::texthash(
+    my ($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',
                                           p_mnp => 'Name of New Page',
@@ -5786,22 +8481,27 @@ sub editing_js {
                                           p_mdb => 'Title for the Drop Box',
                                           p_mbb => 'Title for the Discussion Board',
                                           p_mwp => 'Title for Web Page',
+                                          p_mnr => 'Title for the Resource',
                                           p_mab => "Enter user:domain for User's Personal Information Page",
                                           p_mab2 => 'Personal Information Page of ',
                                           p_mab_alrt1 => 'Not a valid user:domain',
                                           p_mab_alrt2 => 'Please enter both user and domain in the format user:domain',
                                           p_chn => 'New Title',
                                           p_rmr1 => 'WARNING: Removing a resource makes associated grades and scores inaccessible!',
-                                          p_rmr2a => 'Remove[_99]',
-                                          p_rmr2b => '?[_99]',
-                                          p_rmr3a => 'Remove those [_2]',
-                                          p_rmr3b => 'items?[_2]',
+                                          p_rmr2a => 'Remove',
+                                          p_rmr2b => '?',
+                                          p_rmr3a => 'Remove those',
+                                          p_rmr3b => 'items?',
+                                          p_rmr4  => 'WARNING: Removing a resource uploaded to a course cannot be undone via "Undo Delete".',
+                                          p_rmr5  => 'Push "Cancel" and then use "Cut" instead if you might need to undo this change.',
                                           p_ctr1a => 'WARNING: Cutting a resource makes associated grades and scores inaccessible!',
                                           p_ctr1b => 'Grades remain inaccessible if resource is pasted into another folder.',
-                                          p_ctr2a => 'Cut[_98]',
-                                          p_ctr2b => '?[_98]',
-                                          p_ctr3a => 'Cut those[_2]',
-                                          p_ctr3b => 'items?[_2]',
+                                          p_ctr2a => 'Cut',
+                                          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',
@@ -5812,19 +8512,26 @@ sub editing_js {
                                           noor    => 'No actions selected or changes to settings specified.',
                                           noch    => 'No changes to settings specified.',
                                           noac    => 'No actions selected.',
+                                          nofi    => 'No file selected',
+                                          tinc    => 'Title in course',
+                                          sunm    => 'Sub-directory name',
+                                          edri    => 'Editing rights unavailable for your current role.',
+                                          sele    => 'Select',
+                                          swit    => 'Switch server required',
                                         );
-
+    &js_escape(\%js_lt);
     my $crstype = &Apache::loncommon::course_type();
     my $docs_folderpath = &HTML::Entities::encode($env{'environment.internal.'.$env{'request.course.id'}.'.docs_folderpath.folderpath'},'<>&"');
     my $main_container_page;
     if (&HTML::Entities::decode($env{'environment.internal.'.$env{'request.course.id'}.'.docs_folderpath.folderpath'}) =~ /\:1$/) {
         $main_container_page = 1;
     }
-    my $toplevelmain = 
-        &escape(&mt('Main Content').':::::');
-    my $toplevelsupp = &supplemental_base();
-
     my $backtourl;
+    my $toplevelmain = &escape(&default_folderpath($coursenum,$coursedom,$navmapref));
+    my $toplevelsupp = &supplemental_base();
+    my $showfile_js = &Apache::loncommon::show_crsfiles_js();
+    my @ids=&Apache::lonnet::current_machine_ids();
+    my $machines_str = "'".join("','",@ids)."'";
     if ($env{'docs.exit.'.$env{'request.course.id'}} =~ /^direct_(.+)$/) {
         my $caller = $1;
         if ($caller =~ /^supplemental/) {
@@ -5833,9 +8540,47 @@ sub editing_js {
             my ($map,$id,$res)=&Apache::lonnet::decode_symb($caller);
             $res = &Apache::lonnet::clutter($res);
             if (&Apache::lonnet::is_on_map($res)) {
-                $backtourl = &HTML::Entities::encode(&Apache::lonnet::clutter($res),'<>&"').'?symb='.
-                             &HTML::Entities::encode($caller,'<>&"');
-                $backtourl = &Apache::loncommon::escape_single($backtourl); 
+                my ($url,$anchor);
+                if ($res =~ /^([^#]+)#([^#]+)$/) {
+                    $url = $1;
+                    $anchor = $2;
+                    if (($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://})) {
+                        unless ((&Apache::lonnet::uses_sts()) || (&Apache::lonnet::waf_allssl($hostname))) {
+                            if ($hostname ne '') {
+                                $backtourl = 'http://'.$hostname.$backtourl;
+                            }
+                            $backtourl .= (($backtourl =~ /\?/) ? '&amp;':'?').'usehttp=1';
+                        }
+                    }
+                } elsif ($backtourl =~ m{^/adm/wrapper/ext/(?!https:)}) {
+                    if (($ENV{'SERVER_PORT'} == 443) && ($hostname ne '')) {
+                        unless ((&Apache::lonnet::uses_sts()) || (&Apache::lonnet::waf_allssl($hostname))) {
+                            if ($hostname ne '') {
+                                $backtourl = 'http://'.$hostname.$backtourl;
+                            }
+                            $backtourl .= (($backtourl =~ /\?/) ? '&amp;':'?').'usehttp=1';
+                        }
+                    }
+                }
+                if ($anchor ne '') {
+                    $backtourl .= '#'.&HTML::Entities::encode($anchor,'<>&"');
+                }
+                $backtourl = &Apache::loncommon::escape_single($backtourl);
             } else {
                 $backtourl = '/adm/navmaps';
             }
@@ -5843,56 +8588,71 @@ sub editing_js {
     } elsif ($env{'docs.exit.'.$env{'request.course.id'}} eq '/adm/menu') {
         $backtourl = '/adm/menu';
     } elsif ($supplementalflag) {
-        $backtourl = '/adm/supplemental';
+        if (($env{'request.role.adv'}) ||
+            (&Apache::lonnet::has_unhidden_suppfiles($coursenum,$coursedom))) {
+            $backtourl = '/adm/supplemental';
+        } else {
+            $backtourl = '/adm/navmaps';
+        }
     } else {
         $backtourl = '/adm/navmaps';
     }
 
-    my $fieldsets = "'ext','doc'";
+    my $fieldsets = "'doc'";
     unless ($main_container_page) {
         $fieldsets .=",'ims'";
     }
+    my $extfieldsets = "'ext'";
+    if ($posslti) {
+        $extfieldsets .= ",'tool'";
+    }
     if ($supplementalflag) {
-        $fieldsets = "'suppext','suppdoc'";
+        $fieldsets = "'suppdoc'";
+        $extfieldsets = "'suppext'";
+        if ($posslti) {
+            $extfieldsets .= ",'supptool'";
+        }
     }
 
-    return <<ENDNEWSCRIPT;
+    my $jsmakefunctions;
+    if ($canedit) {
+        $jsmakefunctions = <<ENDNEWSCRIPT;
 function makenewfolder(targetform,folderseq) {
-    var foldername=prompt('$lt{"p_mnf"}','$lt{"t_mnf"}');
+    var foldername=prompt('$js_lt{"p_mnf"}','$js_lt{"t_mnf"}');
     if (foldername) {
-       targetform.importdetail.value=escape(foldername)+"="+folderseq;
+       targetform.importdetail.value=encodeURIComponent(foldername)+"="+folderseq;
         targetform.submit();
     }
 }
 
 function makenewpage(targetform,folderseq) {
-    var pagename=prompt('$lt{"p_mnp"}','$lt{"t_mnp"}');
+    var pagename=prompt('$js_lt{"p_mnp"}','$js_lt{"t_mnp"}');
     if (pagename) {
-        targetform.importdetail.value=escape(pagename)+"="+folderseq;
+        targetform.importdetail.value=encodeURIComponent(pagename)+"="+folderseq;
         targetform.submit();
     }
 }
 
 function makeexamupload() {
-   var title=prompt('$lt{"p_mxu"}');
+   var title=prompt('$js_lt{"p_mxu"}');
    if (title) {
     this.document.forms.newexamupload.importdetail.value=
-	escape(title)+'=/res/lib/templates/examupload.problem';
+	encodeURIComponent(title)+'=/res/lib/templates/examupload.problem';
     this.document.forms.newexamupload.submit();
    }
 }
 
 function makesmppage() {
-   var title=prompt('$lt{"p_msp"}');
+   var title=prompt('$js_lt{"p_msp"}');
    if (title) {
     this.document.forms.newsmppg.importdetail.value=
-	escape(title)+'=/adm/$udom/$uname/new/smppg';
+	encodeURIComponent(title)+'=/adm/$udom/$uname/new/smppg';
     this.document.forms.newsmppg.submit();
    }
 }
 
 function makewebpage(type) {
-   var title=prompt('$lt{"p_mwp"}');
+   var title=prompt('$js_lt{"p_mwp"}');
    var formname;
    if (type == 'supp') {
        formname = this.document.forms.supwebpage;
@@ -5900,58 +8660,169 @@ function makewebpage(type) {
        formname = this.document.forms.newwebpage;
    }
    if (title) {
-       var webpage = formname.importdetail.value;
-       formname.importdetail.value = escape(title)+'='+webpage;
+       var webpage = formname.importdetail.value; 
+       formname.importdetail.value = encodeURIComponent(title)+'='+webpage;
        formname.submit();
    }
 }
 
 function makesmpproblem() {
-   var title=prompt('$lt{"p_msb"}');
+   var title=prompt('$js_lt{"p_msb"}');
    if (title) {
     this.document.forms.newsmpproblem.importdetail.value=
-	escape(title)+'=/res/lib/templates/simpleproblem.problem';
+	encodeURIComponent(title)+'=/res/lib/templates/simpleproblem.problem';
     this.document.forms.newsmpproblem.submit();
    }
 }
 
 function makedropbox() {
-   var title=prompt('$lt{"p_mdb"}');
+   var title=prompt('$js_lt{"p_mdb"}');
    if (title) {
     this.document.forms.newdropbox.importdetail.value=
-        escape(title)+'=/res/lib/templates/DropBox.problem';
+        encodeURIComponent(title)+'=/res/lib/templates/DropBox.problem';
     this.document.forms.newdropbox.submit();
    }
 }
 
 function makebulboard() {
-   var title=prompt('$lt{"p_mbb"}');
+   var title=prompt('$js_lt{"p_mbb"}');
    if (title) {
     this.document.forms.newbul.importdetail.value=
-	escape(title)+'=/adm/$udom/$uname/new/bulletinboard';
+	encodeURIComponent(title)+'=/adm/$udom/$uname/new/bulletinboard';
     this.document.forms.newbul.submit();
    }
 }
 
 function makeabout() {
-   var user=prompt("$lt{'p_mab'}");
+   var user=prompt("$js_lt{'p_mab'}");
    if (user) {
        var comp=new Array();
        comp=user.split(':');
        if ((typeof(comp[0])!=undefined) && (typeof(comp[1])!=undefined)) {
 	   if ((comp[0]) && (comp[1])) {
 	       this.document.forms.newaboutsomeone.importdetail.value=
-		   '$lt{"p_mab2"}'+escape(user)+'=/adm/'+comp[1]+'/'+comp[0]+'/aboutme';
-       this.document.forms.newaboutsomeone.submit();
-   } else {
-       alert("$lt{'p_mab_alrt1'}");
-   }
-} else {
-   alert("$lt{'p_mab_alrt2'}");
+		   '$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'}");
+       }
+    }
+}
+
+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++) {
@@ -5968,6 +8839,35 @@ function toggleUpload(caller) {
     return;
 }
 
+function toggleExternal(caller) {
+    var blocks = Array($extfieldsets);
+    for (var i=0; i<blocks.length; i++) {
+        var disp = 'none';
+        if (caller == blocks[i]) {
+            var curr = document.getElementById('external'+caller+'form').style.display;
+            if (curr == 'none') {
+                disp='block';
+            }
+        }
+        document.getElementById('external'+blocks[i]+'form').style.display=disp;
+        if ((caller == 'tool') || (caller == 'supptool')) {
+            if (disp == 'block') {
+                if (document.getElementById('LC_exttoolid')) {
+                    var toolselector = document.getElementById('LC_exttoolid');
+                    var suppflag = 0;
+                    if (caller == 'supptool') {
+                        suppflag = 1;
+                    }
+                    currForm = document.getElementById('new'+caller);
+                    updateExttool(toolselector,currForm,suppflag);
+                }
+            }
+        }
+    }
+    resize_scrollbox('contentscroll','1','1');
+    return;
+}
+
 function toggleMap(caller) {
     var disp = 'none';
     if (document.getElementById('importmapform')) {
@@ -5978,35 +8878,402 @@ function toggleMap(caller) {
             }
         }
         document.getElementById('importmapform').style.display=disp;
+        if (disp == 'block') {
+            if (document.getElementById('importcrsresform')) {
+                if (document.getElementById('importcrsresform').style.display == 'block') {
+                    document.getElementById('importcrsresform').style.display = 'none';
+                }
+            }
+        }
         resize_scrollbox('contentscroll','1','1');
     }
     return;
 }
 
+function toggleCrsRes(caller) {
+    var disp = 'none';
+    if (document.getElementById('crsresform')) {
+        if (caller == 'res') {
+            var form = document.getElementById('crsresform');
+            var curr = form.style.display;
+            if (curr == 'none') {
+                disp='block';
+                document.courseresform.authorrole.selectedIndex = 0;
+                document.courseresform.authorpath.selectedIndex = 0;
+                document.courseresform.newresourceadd.selectedIndex = 0;
+                populateDirSelects(form,'authorrole','authorpath',1,0,0);
+                toggleNewInCourse(document.courseresform);
+                if (document.getElementById('newresource')) {
+                    document.getElementById('newresource').style.display = 'none';
+                }
+                if (document.courseresform.newresusetemp.length) {
+                    document.courseresform.newresusetemp[0].checked = true;
+                    toggleWithTemplate(document.courseresform);
+                }
+                document.courseresform.newresourcename.value = ''; 
+            }
+        }
+        if (document.courseresform.newsubdir.length) {
+            for (var j=0; j<document.courseresform.newsubdir.length; j++) {
+                if (document.courseresform.newsubdir[j].value == 0) {
+                    document.courseresform.newsubdir[j].checked = true;
+                }
+                break;
+            }
+            if (document.getElementById('newsubdirname')) {
+                document.getElementById('newsubdirname').type = "hidden";
+                document.getElementById('newsubdirname').value = "";
+            }
+            if (document.getElementById('newsubdir')) {
+                document.getElementById('newsubdir').innerHTML = "";
+            }
+        }
+        document.getElementById('crsresform').style.display=disp;
+        resize_scrollbox('contentscroll','1','0');
+    }
+    return;
+}
+
+function toggleNewsubdir(form) {
+    if (form.newsubdir.length) {
+        for (var j=0; j<form.newsubdir.length; j++) {
+            if (form.newsubdir[j].checked) {
+                if (document.getElementById('newsubdirname')) {
+                    if (form.newsubdir[j].value == '1') {
+                        document.getElementById('newsubdirname').type = "text"; 
+                        if (document.getElementById('newsubdir')) {
+                            document.getElementById('newsubdir').innerHTML = '<br />$js_lt{'sunm'}';
+                        }
+                    } else {
+                        document.getElementById('newsubdirname').type = "hidden";
+                        document.getElementById('newsubdirname').value = "";
+                        document.getElementById('newsubdir').innerHTML = "";
+                    }
+                }
+                break;
+            }
+        }
+    }
+}
+
+function toggleCrsResTitle() {
+    if (document.getElementById('newresource')) {
+        var selloc = document.courseresform.authorrole.options[document.courseresform.authorrole.selectedIndex].value;
+        if (selloc == 'course') {
+            document.getElementById('newresource').style.display = 'inline';
+            document.courseresform.newresourceadd[0].checked = true;
+            toggleNewInCourse(document.courseresform);
+        } else {
+            document.getElementById('newresource').style.display = 'none';
+        }
+    }
+    if (document.getElementById('newstdproblem')) {
+        if (document.courseresform.authorpath.options[document.courseresform.authorpath.selectedIndex].value == 'switch') {
+            document.getElementById('newstdproblem').style.display = 'none'; 
+            if (document.getElementById('stdprobswitch')) {
+                document.getElementById('stdprobswitch').style.display = 'block'; 
+            }
+        } else {
+            document.getElementById('newstdproblem').style.display = 'block';
+            if (document.getElementById('stdprobswitch')) {
+                document.getElementById('stdprobswitch').style.display = 'none';
+            }
+        }
+    }
+}
+
+function toggleNewInCourse(form) {
+    if (form.newresourceadd.length) {
+        for (var i=0; i<form.newresourceadd.length; i++) {
+            if (form.newresourceadd[i].checked) {
+                if (document.getElementById('newresourcetitle')) {
+                    if (form.newresourceadd[i].value == '1') {
+                        document.getElementById('newresourcetitle').type = 'text';
+                        if (document.getElementById('newrestitle')) {
+                            document.getElementById('newrestitle').innerHTML = "<br />$js_lt{'tinc'}";
+                        }
+                    } else {
+                        document.getElementById('newresourcetitle').type = 'hidden';
+                        document.getElementById('newresourcetitle').value = '';
+                        if (document.getElementById('newrestitle')) { 
+                            document.getElementById('newrestitle').innerHTML = '';
+                        }
+                    }
+                }
+                break;
+            }
+        }
+    }
+}
+
+function toggleWithTemplate(form) {
+    if (form.newresusetemp.length) {
+        for (var i=0; i<form.newresusetemp.length; i++) {
+            if (form.newresusetemp[i].checked) {
+                if (document.getElementById('newrestemplate')) { 
+                    if (form.newresusetemp[i].value == '1') {
+                        document.getElementById('newrestemplate').style.display = 'inline';
+                        toggleExampleText();
+                    } else {
+                        form.tempcategory.selectedIndex = 0;
+                        select1template_changed();
+                        document.getElementById('newrestemplate').style.display = 'none';
+                    }
+                }
+            }
+        }
+    }
+}
+
+function toggleExampleText() {
+    if (document.getElementById('newresexample')) {
+        var url = document.courseresform.template.options[document.courseresform.template.selectedIndex].value;
+        if (url == '') {
+            document.getElementById('newresexample').style.fontWeight = 'normal';
+        } else {
+            document.getElementById('newresexample').style.fontWeight = 'bold';
+        }
+    }
+}
+
+function getExample(width,height,scrolling,transparency) {
+    var url;
+    if (document.courseresform.newresusetemp.length) {
+        for (var i=0; i<document.courseresform.newresusetemp.length; i++) {
+            if (document.courseresform.newresusetemp[i].checked) {
+                if (document.courseresform.newresusetemp[i].value == '1') {
+                    var url = document.courseresform.template.options[document.courseresform.template.selectedIndex].value;
+                    if (url == '') {
+                        alert('Pick a category and template');
+                    } else {
+                        url = url.replace("$londocroot",""); 
+                        url += '?inhibitmenu=yes';
+                    }
+                }
+                break;
+            }
+        }
+    }
+    if (url != '') {
+        openMyModal(url,width,height,scrolling,transparency,'');
+    }
+}
+
+function toggleImportCrsres(caller) {
+    var disp = 'none';
+    if (document.getElementById('importcrsresform')) {
+        if (caller == 'res') {
+            var curr = document.getElementById('importcrsresform').style.display;
+            if (curr == 'none') {
+                disp='block';
+                populateCrsSelects(document.crsresimportform,'coursepath','coursefile',1,'',1,0,1,1,0);
+                if ((document.getElementById('importcrsrescontent')) &&
+                    (document.getElementById('importcrsresempty'))) {
+                    var selelem = document.crsresimportform.elements['coursepath'];
+                    var numdirs = 0;
+                    if (selelem.options.length) {
+                        numdirs = selelem.options.length - 1;
+                    }
+                    if (numdirs) {
+                        document.getElementById('importcrsrescontent').style.display='block';
+                        document.getElementById('importcrsresempty').style.display='none';
+                    } else {
+                        document.getElementById('importcrsrescontent').style.display='none';
+                        document.getElementById('importcrsresempty').style.display='block';
+                    }
+                }
+            }
+        }
+        document.getElementById('importcrsresform').style.display=disp;
+        if (disp == 'block') {
+            if (document.getElementById('importmapform')) {
+                if (document.getElementById('importmapform').style.display == 'block') {
+                    document.getElementById('importmapform').style.display = 'none';
+                }
+            }
+        }
+        resize_scrollbox('contentscroll','1','0');
+    }
+    return;
+}
+
+$showfile_js
+
+function populateDirSelects(form,locsel,dirsel,setdir,recurse,nonemptydir) {
+    var location = form.elements[locsel].options[form.elements[locsel].selectedIndex].value;
+    if ((setdir) && (dirsel != null) && (dirsel != 'undefined') && (dirsel != '')) {
+        var selelem = form.elements[dirsel];
+        var i, numfiles = selelem.options.length -1;
+        if (numfiles >=0) {
+            for (i = numfiles; i >= 0; i--) {
+                selelem.remove(i);
+            }
+        }
+        if ((location == '') || (location == null) || (location == 'undefined')) {
+             if (selelem.options.length == 0) {
+                 selelem.options[selelem.options.length] = new Option('','');
+                 selelem.selectedIndex = 0;
+             }
+             if (document.getElementById('newstdproblem')) {
+                 document.getElementById('newstdproblem').style.display = 'none';
+             }
+             return;
+        }
+        var machineIds = new Array($machines_str);
+        var athome = 0;
+        var role = location;
+        if ((location == 'author') || (location == 'course')) {
+            if (document.getElementById('rolehome_'+location)) {
+                var currhome = document.getElementById('rolehome_'+location).value;
+                if ((currhome != '') && (currhome != null) && (currhome != 'undefined')) {
+                    if (machineIds.includes(currhome)) {
+                        athome = 1;
+                    }
+                }
+            }
+        } else {
+            const roleinfo = location.split('___');
+            role = encodeURIComponent(roleinfo[0]+'./'+roleinfo[1]);
+            if (document.getElementById('rolehome_coauthor_'+roleinfo[1]+'_'+roleinfo[0])) {
+                var currhome = document.getElementById('rolehome_coauthor_'+roleinfo[1]+'_'+roleinfo[0]).value;
+                if ((currhome != '') && (currhome != null) && (currhome != 'undefined')) {
+                    if (machineIds.includes(currhome)) {
+                        athome = 1;
+                    }
+                }
+            }
+        }
+        var templateradio = document.courseresform.elements['newresusetemp'];
+        if (athome) {
+            if (document.getElementById('stdprobswitch')) {
+                document.getElementById('stdprobswitch').style.display = 'none';
+            }
+            if (document.getElementById('newstdproblem')) {
+                document.getElementById('newstdproblem').style.display = 'none';
+            }
+            var canedit = '$canedit';
+            if (canedit) {
+                if (templateradio.length > 1) {
+                    for (var i=0; i<templateradio.length; i++) {
+                        templateradio[i].disabled = false;
+                    }
+                }
+                document.courseresform.newresourcename.disabled = false;
+                document.courseresform.newcrs.disabled = false;
+            }
+            var http = new XMLHttpRequest();
+            var url = "/adm/courseauthor";
+            var params = "role="+role+"&rec="+recurse+"&nonempty="+nonemptydir+"&addtop=1";
+            http.open("POST", url, true);
+            http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
+            http.onreadystatechange = function() {
+                if (http.readyState == 4 && http.status == 200) {
+                    var data = JSON.parse(http.responseText);
+                    if (Array.isArray(data.dirs)) {
+                        var len = data.dirs.length;
+                        if (len) {
+                            if (len > 1) {
+                                selelem.options[selelem.options.length] = new Option('$js_lt{sele}','');
+                            }
+                        }
+                        if (len) {
+                            var j;
+                            for (j = 0; j < len; j++) {
+                                selelem.options[selelem.options.length] = new Option(data.dirs[j],data.dirs[j]);
+                            }
+                            selelem.selectedIndex = 0;
+                            if (len == 1) {
+                                toggleCrsResTitle();
+                            }
+                        }
+                    }
+                }
+            }
+            http.send(params);
+        } else {
+            selelem.options[selelem.options.length] = new Option('$js_lt{swit}','switch');
+            selelem.selectedIndex = 0;
+            if (document.getElementById('stdprobswitch')) {
+                document.getElementById('stdprobswitch').style.display = 'block';
+            }
+            if (document.getElementById('newstdproblem')) {
+                document.getElementById('newstdproblem').style.display = 'none';
+            }
+            if (templateradio.length > 1) {
+                for (var i=0; i<templateradio.length; i++) {
+                    templateradio[i].disabled = true;
+                }
+            }
+            document.courseresform.newresourcename.disabled = true;
+            document.courseresform.newcrs.disabled = true;
+        }
+    }
+    return;
+}
+
+function switchForProb() {
+    if (document.courseresform.authorpath.options[document.courseresform.authorpath.selectedIndex].value == 'switch') {
+        var url = '/adm/switchserver?otherserver=';
+        var newhostid = '';
+        var role = '';
+        var selloc = document.courseresform.authorrole.options[document.courseresform.authorrole.selectedIndex].value;
+        if (selloc == 'author') {
+            newhostid = document.courseresform.rolehome_author.value;
+            role = "au./&js_escape($env{'user.domain'})/";
+        } else if (selloc == 'course') {
+            newhostid = document.courseresform.rolehome_course.value;
+            role = "&js_escape($env{'request.role'})";
+        } else {
+            var items = new Array();
+            items = selloc.split('___');
+            var len = document.courseresform.rolehome_coauthor.length;
+            if (null == len) {
+                var currval = document.courseresform.rolehome_coauthor.value;
+                if (null != currval) {
+                    var info = new Array();
+                    info = currval.split('=');
+                    newhostid = info[2];
+                    role = info[0]+'./'+info[1];
+                }
+            } else {
+                for (var i=0; i<len; i++) {
+                    var currval = document.courseresform.rolehome_coauthor[i].value;
+                    if (null != currval) {
+                        var info = new Array();
+                        info = currval.split('=');
+                        if ((info[1] == items[1]+'/'+items[0]) && (info[0] == items[2])) {
+                            newhostid = info[2];
+                            role = info[0]+'./'+info[1];
+                            break;
+                        }
+                    }
+                }
+            }
+        }
+        if (newhostid != '') {
+            url += newhostid;
+            if (role != '') {
+                url += '&role='+role;
+            }
+            document.location.href = url;
+        }
+    }
+    return;
+}
+
 function makeims(imsform) {
     if ((imsform.uploaddoc.value == '')  || (!imsform.uploaddoc.value)) {
-        alert("$lt{'imsfile'}");
+        alert("$js_lt{'imsfile'}");
         return;
     }
     if (imsform.source.selectedIndex == 0) {
-        alert("$lt{'imscms'}");
+        alert("$js_lt{'imscms'}");
         return;
     }
     newWindow = window.open('', 'IMSimport',"HEIGHT=700,WIDTH=750,scrollbars=yes");
     imsform.submit();
 }
 
-function changename(folderpath,index,oldtitle) {
-var title=prompt('$lt{"p_chn"}',oldtitle);
-if (title) {
-this.document.forms.renameform.markcopy.value='';
-this.document.forms.renameform.title.value=title;
-this.document.forms.renameform.cmd.value='rename_'+index;
-this.document.forms.renameform.folderpath.value=folderpath;
-this.document.forms.renameform.submit();
-}
-}
-
 function updatePick(targetform,index,caller) {
     var pickitem;
     var picknumitem;
@@ -6021,7 +9288,7 @@ function updatePick(targetform,index,cal
         picknumtext = document.getElementById('randompicknum_'+index);
     }
     if (pickitem.checked) {
-        var picknum=prompt('$lt{"rpck"}',picknumitem.value);
+        var picknum=prompt('$js_lt{"rpck"}',picknumitem.value);
         if (picknum == '' || picknum == null) {
             if (caller == 'check') {
                 pickitem.checked=false;
@@ -6171,7 +9438,12 @@ function propagateState(form,param) {
     return;
 }
 
-function checkForSubmit(targetform,param,context,idx,folderpath,index,oldtitle,skip_confirm,container,folder) {
+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;
@@ -6209,14 +9481,28 @@ function checkForSubmit(targetform,param
             targetform.markcopy.value=idx+':'+param;
             targetform.copyfolder.value=folder+'.'+container;
             if (param == 'remove') {
-                if (skip_confirm || confirm('$lt{"p_rmr1"}\\n\\n$lt{"p_rmr2a"} "'+oldtitle+'" $lt{"p_rmr2b"}')) {
+                var doremove = 0;
+                if (skip_confirm) {
+                    if (confirm_removal) {
+                        if (confirm('$js_lt{"p_rmr4"}\\n$js_lt{"p_rmr5"}\\n\\n$js_lt{"p_rmr2a"} "'+oldtitle+'"$js_lt{"p_rmr2b"}')) {
+                            doremove = 1;
+                        }
+                    } else {
+                        doremove = 1;
+                    }
+                } else {
+                    if (confirm('$js_lt{"p_rmr1"}\\n\\n$js_lt{"p_rmr2a"} "'+oldtitle+'" $js_lt{"p_rmr2b"}')) {
+                        doremove = 1;
+                    }
+                }
+                if (doremove) {
                     targetform.markcopy.value='';
                     targetform.copyfolder.value='';
                     targetform.submit();
                 }
             }
             if (param == 'cut') {
-                if (skip_confirm || confirm('$lt{"p_ctr1a"}\\n$lt{"p_ctr1b"}\\n\\n$lt{"p_ctr2a"} "'+oldtitle+'" $lt{"p_ctr2b"}')) {
+                if (skip_confirm || confirm('$js_lt{"p_ctr1a"}\\n$js_lt{"p_ctr1b"}\\n\\n$js_lt{"p_ctr2a"} "'+oldtitle+'" $js_lt{"p_ctr2b"}')) {
                     targetform.submit();
                     return;
                 }
@@ -6281,11 +9567,11 @@ for (i = 0; i < currentLis.length; i++)
 
 function hideAll(current, nav, data) {
 unselectInactive(nav);
-if (current) {
+if (current) { 
     if (current.className == 'right'){
-	current.className = 'right active'
+        current.className = 'right active'
     } else {
-	current.className = 'active';
+        current.className = 'active';
     }
 }
 currentData = document.getElementById(data);
@@ -6323,13 +9609,16 @@ function showPage(current, pageId, nav,
 	unselectInactive(nav);
         if ((currstate == 'active') || (currstate == 'right active')) {
             if (currstate == 'active') {
-                current.className = '';
+	        current.className = '';
             } else {
                 current.className = 'right';
             }
-            activeTab = '';
+            activeTab = ''; 
+            toggleExternal();
             toggleUpload();
             toggleMap();
+            toggleCrsRes();
+            toggleImportCrsres();
             resize_scrollbox('contentscroll','1','0');
             return;
         } else {
@@ -6338,8 +9627,11 @@ function showPage(current, pageId, nav,
 	currentData = document.getElementById(pageId);
 	currentData.style.display = 'block';
         activeTab = pageId;
+        toggleExternal();
         toggleUpload();
         toggleMap();
+        toggleCrsRes();
+        toggleImportCrsres();
         if (nav == 'mainnav') {
             var storedpath = "$docs_folderpath";
             var storedpage = "$main_container_page";
@@ -6395,7 +9687,7 @@ function togglePick(caller,value) {
         }
         document.getElementById('multi'+caller).style.display=disp;
         if (value == 1) {
-            document.getElementById('more'+caller).innerHTML = '&nbsp;&nbsp;<a href="javascript:toggleCheckUncheck(\\''+caller+'\\',1);" style="text-decoration:none;">$lt{'more'}</a>'; 
+            document.getElementById('more'+caller).innerHTML = '&nbsp;&nbsp;<a href="javascript:toggleCheckUncheck(\\''+caller+'\\',1);" style="text-decoration:none;">$js_lt{'more'}</a>'; 
         } else {
             document.getElementById('more'+caller).innerHTML = '';
         }
@@ -6421,10 +9713,10 @@ function togglePick(caller,value) {
 
 function toggleCheckUncheck(caller,more) {
     if (more == 1) {
-        document.getElementById('more'+caller).innerHTML = '&nbsp;&nbsp;<a href="javascript:toggleCheckUncheck(\\''+caller+'\\',0);" style="text-decoration:none;">$lt{'less'}</a>';
+        document.getElementById('more'+caller).innerHTML = '&nbsp;&nbsp;<a href="javascript:toggleCheckUncheck(\\''+caller+'\\',0);" style="text-decoration:none;">$js_lt{'less'}</a>';
         document.getElementById('allfields'+caller).style.display='block';
     } else {
-        document.getElementById('more'+caller).innerHTML = '&nbsp;&nbsp;<a href="javascript:toggleCheckUncheck(\\''+caller+'\\',1);" style="text-decoration:none;">$lt{'more'}</a>';
+        document.getElementById('more'+caller).innerHTML = '&nbsp;&nbsp;<a href="javascript:toggleCheckUncheck(\\''+caller+'\\',1);" style="text-decoration:none;">$js_lt{'more'}</a>';
         document.getElementById('allfields'+caller).style.display='none';
     }
     resize_scrollbox('contentscroll','1','1');
@@ -6466,6 +9758,7 @@ function checkSubmits() {
     var doactions = multiActions();
     var cutwarnings = 0;
     var remwarnings = 0;
+    var removalinfo = 0;
     if (doactions == 1) {
         var remidxlist = document.cumulativeactions.allremoveidx.value;
         if ((remidxlist != '') && (remidxlist != null)) {
@@ -6480,6 +9773,11 @@ function checkSubmits() {
                                 remwarnings ++;
                             }
                         }
+                        if (document.getElementById('confirm_removal_'+remidxs[i])) {
+                            if (document.getElementById('confirm_removal_'+remidxs[i]).value == 1) {
+                                removalinfo ++;
+                            }
+                        }
                     }
                 }
             }
@@ -6578,14 +9876,19 @@ function checkSubmits() {
     }
     if (doactions == 1) {
         if (numchanges > 0) {
-            if ((cutwarnings > 0) || (remwarnings > 0)) {
+            if ((cutwarnings > 0) || (remwarnings > 0) || (removalinfo > 0)) {
                 if (remwarnings > 0) {
-                    if (!confirm('$lt{"p_rmr1"}\\n\\n$lt{"p_rmr3a"} '+remwarnings+' $lt{"p_rmr3b"}')) {
+                    if (!confirm('$js_lt{"p_rmr1"}\\n\\n$js_lt{"p_rmr3a"} '+remwarnings+' $js_lt{"p_rmr3b"}')) {
+                        return false;
+                    }
+                }
+                if (removalinfo > 0) {
+                    if (!confirm('$js_lt{"p_rmr4"}\\n$js_lt{"p_rmr5"}\\n\\n$js_lt{"p_rmr3a"} '+removalinfo+' $js_lt{"p_rmr3b"}')) {
                         return false;
                     }
                 }
                 if (cutwarnings > 0) {
-                    if (!confirm('$lt{"p_ctr1a"}\\n$lt{"p_ctr1b"}\\n\\n$lt{"p_ctr3a"} '+cutwarnings+' $lt{"p_ctr3b"}')) {
+                    if (!confirm('$js_lt{"p_ctr1a"}\\n$js_lt{"p_ctr1b"}\\n\\n$js_lt{"p_ctr3a"} '+cutwarnings+' $js_lt{"p_ctr3b"}')) {
                         return false;
                     }
                 }
@@ -6601,12 +9904,12 @@ function checkSubmits() {
         }
     }
     if ((dosettings == 1) && (doactions == 1)) {
-        alert("$lt{'noor'}");
+        alert("$js_lt{'noor'}");
     } else {
         if (dosettings == 1) {
-            alert("$lt{'noch'}");
+            alert("$js_lt{'noch'}");
         } else {
-            alert("$lt{'noac'}");
+            alert("$js_lt{'noac'}");
         }
     }
     return false;
@@ -6692,7 +9995,34 @@ function setBoxes(value) {
     return;
 }
 
-ENDNEWSCRIPT
+function validImportCrsRes() {
+    var path =  document.crsresimportform.coursepath.options[document.crsresimportform.coursepath.selectedIndex].value;
+    var fname = document.crsresimportform.coursefile.options[document.crsresimportform.coursefile.selectedIndex].value;
+    if ((fname == '') || (fname == null)) {
+        alert("$js_lt{'nofi'}");
+        return false;
+    }
+    var url = '/res/$coursedom/$coursenum/';
+    if (path && path != '/') {
+        url += path+'/';
+    }
+    if (fname != '') {
+        url += fname;
+    }
+    var title = document.crsresimportform.crsrestitle.value;
+    document.crsresimportform.importdetail.value=encodeURIComponent(title)+'='+encodeURIComponent(url);
+    return true;
+}
+
+function validateNewRes(caller) {
+    if (caller == 'single') {
+        var role = document.courseresform.authorrole.options[document.courseresform.authorrole.selectedIndex].value; 
+        var authorpath = document.courseresform.authorpath.options[document.courseresform.authorpath.selectedIndex].value;
+        var resname = document.courseresform.newresourcename.value;
+    }
+}
+
+ENDSCRIPT
 }
 
 sub history_tab_js {
@@ -6721,13 +10051,19 @@ ENDINJECT
 
 sub dump_switchserver_js {
     my @hosts = @_;
-    my %lt = &Apache::lonlocal::texthash(
+    my %js_lt = &Apache::lonlocal::texthash(
         dump => 'Copying content to Authoring Space requires switching server.',
         swit => 'Switch server?',
-        duco => 'Copying Content to Authoring Space',
+    );
+    my %html_js_lt = &Apache::lonlocal::texthash(
+        swit => 'Switch server?',
+        duco => 'Copying uploaded content to Authoring Space',
         yone => 'You need to switch to a server housing an Authoring Space for which you are author or co-author.',
         chos => 'Choose server',
     );
+    &js_escape(\%js_lt);
+    &html_escape(\%html_js_lt);
+    &js_escape(\%html_js_lt);
     my $role = $env{'request.role'};
     my $js = <<"ENDSWJS";
 <script type="text/javascript">
@@ -6768,7 +10104,7 @@ ENDSWJS
 
 function dump_needs_switchserver(url) {
     if (url!='' && url!= null) {
-        if (confirm("$lt{'dump'}\\n$lt{'swit'}")) {
+        if (confirm("$js_lt{'dump'}\\n$js_lt{'swit'}")) {
             go(url);
         }
     }
@@ -6779,13 +10115,13 @@ function choose_switchserver_window() {
     newWindow = window.open('','ChooseServer','height=400,width=500,scrollbars=yes')
     newWindow.document.open();
     newWindow.document.writeln('$startpage');
-    newWindow.document.write('<h3>$lt{'duco'}<\\/h3>\\n'+
-       '<p>$lt{'yone'}<\\/p>\\n'+
-       '<div class="LC_left_float"><fieldset><legend>$lt{'chos'}<\\/legend>\\n'+
+    newWindow.document.write('<h3>$html_js_lt{'duco'}<\\/h3>\\n'+
+       '<p>$html_js_lt{'yone'}<\\/p>\\n'+
+       '<div class="LC_left_float"><fieldset><legend>$html_js_lt{'chos'}<\\/legend>\\n'+
        '<form name="setserver" method="post" action="" \\/>\\n'+
        '$hostpicker\\n'+
        '<br \\/><br \\/>\\n'+
-       '<input type="button" name="makeswitch" value="$lt{'swit'}" '+
+       '<input type="button" name="makeswitch" value="$html_js_lt{'swit'}" '+
        'onclick="write_switchserver();" \\/>\\n'+
        '<\\/form><\\/fieldset><\\/div><br clear="all" \\/>\\n');
     newWindow.document.writeln('$endpage');
@@ -6816,6 +10152,212 @@ sub makesimpleeditform {
 SIMPFORM
 }
 
+sub makenewproblem {
+    my ($r,$coursedom,$coursenum) = @_;
+# Creating a new problem
+    my ($redirect,$error);
+    if ($env{'form.authorrole'}) {
+        my ($newsubdir,$filename);
+        if ($env{'form.newsubdir'}) {
+            if ($env{'form.newsubdirname'} ne '') {
+                $newsubdir = $env{'form.newsubdirname'};
+            }
+        }
+        if ($env{'form.newresourcename'}) {
+            $filename = $env{'form.newresourcename'};
+            $filename =~ s/\.(\d+)(\.\w+)$/$2/;
+            $filename =~ s/`//g;
+            $filename =~ s{/\.\./}{_}g;
+            $filename =~ s/\.+/./g;
+            $filename =~ s{/+}{_}g;
+            if ($filename ne '') {
+                my ($name,$ext) = ($filename =~ /(.+)\.([^.]+)$/);
+                if (($ext) && ($ext ne '.problem')) {
+                    $filename = $name.'.problem';
+                } elsif ($ext eq '') {
+                    $filename .= '.problem';
+                }
+                my $docroot = $r->dir_config('lonDocRoot');
+                my @ids=&Apache::lonnet::current_machine_ids();
+                if ($env{'form.authorrole'} eq 'author') {
+                    if ($env{'user.author'}) {
+                        if ($env{'user.home'} && grep(/^\Q$env{'user.home'}\E$/,@ids)) {
+                            my $url = "/priv/$env{'user.domain'}/$env{'user.name'}";
+                            my $path = $docroot.$url;
+                            my $subdir = $env{'form.authorpath'};
+                            $redirect = &finishnewprob($url,$path,$subdir,$newsubdir,$filename);
+                        }
+                    }
+                } elsif ($env{'form.authorrole'} eq 'course') {
+                    my $chome = $env{'course.'.$env{'request.course.id'}.'.home'};
+                    if ($chome && grep(/^\Q$chome\E$/,@ids)) {
+                        my $url = "/priv/$coursedom/$coursenum";
+                        my $path=$docroot.$url;
+                        my $subdir = $env{'form.authorpath'};
+                        $redirect = &finishnewprob($url,$path,$subdir,$newsubdir,$filename);
+                        if ($redirect) {
+                            my $rightsfile = 'default.rights';
+                            my $sourcerights = "$path/$rightsfile";
+                            &Apache::loncommon::crsauthor_rights($rightsfile,$path,$docroot,$coursenum,$coursedom);
+                            my $targetrights = $docroot."/res/$coursedom/$coursenum/$rightsfile";
+                            if ((-e $sourcerights) && (-e "$sourcerights.meta")) {
+                                if (!-e "$docroot/res/$coursedom") {
+                                    mkdir("$docroot/res/$coursedom",0755);
+                                }
+                                if (!-e "$docroot/res/$coursedom/$coursenum") {
+                                    mkdir("$docroot/res/$coursedom/$coursenum",0755);
+                                }
+                                if ((-e "$docroot/res/$coursedom/$coursenum") && (!-e $targetrights)) {
+                                    my $nokeyref = &Apache::lonpublisher::getnokey($r->dir_config('lonIncludes'));
+                                    my $output = &Apache::lonpublisher::batchpublish($r,$sourcerights,$targetrights,$nokeyref,1);
+                                }
+                            }
+                            my $source = $docroot.$redirect;
+                            if (!-e "$source.meta") {
+                                my $cid = $coursedom.'_'.$coursenum;
+                                my $now = time;
+                                if (open(my $fh,">$source.meta")) {
+                                    my $author=$env{'environment.firstname'}.' '.
+                                               $env{'environment.middlename'}.' '.
+                                               $env{'environment.lastname'}.' '.
+                                               $env{'environment.generation'};
+                                    $author =~ s/\s+$//;
+                                    my $title = $env{'form.newresourcetitle'};
+                                    $title =~ s/^\s+|\s+$//g;
+                                    print $fh <<END;
+
+<abstract></abstract>
+<author>$author</author>
+<authorspace>$coursenum:$coursedom</authorspace>
+<copyright>custom</copyright>
+<creationdate>$now</creationdate>
+<customdistributionfile>/res/$coursedom/$coursenum/default.rights</customdistributionfile>
+<dependencies></dependencies>
+<domain>$coursedom</domain>
+<highestgradelevel>0</highestgradelevel>
+<keywords></keywords>
+<language>notset </language>
+<lastrevisiondate>$now</lastrevisiondate>
+<lowestgradelevel>0</lowestgradelevel>
+<mime>problem</mime>
+<modifyinguser>$coursenum:$coursedom</modifyinguser>
+<notes></notes>
+<obsolete></obsolete>
+<obsoletereplacement></obsoletereplacement>
+<owner>$coursenum:$coursedom</owner>
+<sourceavail></sourceavail>
+<standards></standards>
+<subject></subject>
+<title>$title</title>
+END
+                                    close($fh);
+                                }
+                            }
+                        }
+                    }
+                } else {
+                    my ($auname,$audom,$role) = split('___',$env{'form.authorrole'});
+                    my $rolehome = &Apache::lonnet::homeserver($auname,$audom);
+                    if (grep(/^\Q$rolehome\E$/,@ids)) {
+                        my $now = time;
+                        if (exists($env{'user.role.'.$role.'./'.$audom.'/'.$auname})) {
+                            my ($start,$end) = split(/\./,$env{'user.role.'.$role.'./'.$audom.'/'.$auname});
+                            if (($start <= $now) && (($end == 0) || ($end >= $now))) { 
+                                my $url = "/priv/$audom/$auname";  
+                                my $path = $r->dir_config('lonDocRoot').$url;
+                                my $subdir = $env{'form.authorpath'};
+                                $redirect = &finishnewprob($url,$path,$subdir,$newsubdir,$filename);
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+    return ($redirect,$error);
+}
+
+sub finishnewprob {
+    my ($url,$path,$subdir,$newsubdir,$filename,$context) = @_;
+    unless (-d $path) {
+        unless (mkdir($path,02770)) {
+            return;
+        }
+    }
+    my $redirect;
+    if ($subdir ne '/') {
+        $subdir = &cleandir($subdir);
+        if (($subdir ne '') && (-d "$path/$subdir")) {
+            $path .= "/$subdir";
+            $url .= "/$subdir";
+        }
+    }
+    my $dest;
+    if ($newsubdir ne '') {
+        $newsubdir = &cleandir($newsubdir);
+    }
+    if ($newsubdir ne '') {
+        if (-d "$path/$newsubdir") {
+            $dest = "$path/$newsubdir/$filename";
+        } else {
+            my $dirok;
+            unless (-e "$path/$newsubdir") {
+                if (mkdir("$path/$newsubdir",02770)) {
+                    if (chmod(02770,"$path/$newsubdir")) {
+                        $dirok = 1;
+                    }
+                }
+            }
+            if ($dirok) {
+                $dest = "$path/$newsubdir/$filename";
+            }
+        }
+        if (($dest ne '') && (!-e $dest)) {
+            $redirect = "$url/$newsubdir/$filename";
+        }
+    } else {
+        $dest = "$path/$filename";
+        if (($dest ne '') && (!-e $dest)) {
+            $redirect = "$url/$filename";
+        }
+    }
+    if ((!-e $dest) && ($context ne 'upload')) {
+        my $template = $env{'form.template'};
+        my $copyfrom;
+        if ($template ne '') {
+            my %templates;
+            my @files = &Apache::lonhomework::get_template_list('problem');
+            foreach my $poss (@files) {
+                if (ref($poss) eq 'ARRAY') {
+                    if ($template eq $poss->[0]) {
+                        $templates{$template} = 1;
+                        last;
+                    }
+                }
+            }
+            if ($templates{$template}) {
+                $copyfrom = $template;
+            }
+        }
+        if ($filename =~ /\.problem$/) {
+            unless ($copyfrom) {
+                $copyfrom = $Apache::lonnet::perlvar{'lonIncludes'}.'/templates/blank.problem';
+            }
+            &File::Copy::copy($copyfrom,$dest);
+        }
+    }
+    return $redirect;
+}
+
+sub cleandir {
+    my ($dir) = @_;
+    $dir =~ s/^\s+//;
+    $dir =~ s/\s+$//;
+    $dir =~ s/\.+//g;
+    $dir =~ s/[\#\?&%\":]//g;
+    return $dir;
+}
+
 1;
 __END__
 
@@ -6915,7 +10457,9 @@ check on this
 
 Verify Content
 
-=item devalidateversioncache() & checkversions()
+=item devalidateversioncache() 
+
+=item checkversions()
 
 Check Versions