--- loncom/interface/londocs.pm	2002/07/31 13:50:38	1.3
+++ loncom/interface/londocs.pm	2004/12/12 19:54:56	1.154
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Documents
 #
-# $Id: londocs.pm,v 1.3 2002/07/31 13:50:38 www Exp $
+# $Id: londocs.pm,v 1.154 2004/12/12 19:54:56 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -29,35 +29,2226 @@
 package Apache::londocs;
 
 use strict;
-use Apache::Constants qw(:common);
+use Apache::Constants qw(:common :http);
+use Apache::lonnet;
+use Apache::loncommon;
+use Apache::lonratedt;
+use Apache::lonratsrv;
+use Apache::lonxml;
+use Apache::loncreatecourse;
+use Apache::lonnavmaps;
+use HTML::Entities;
+use GDBM_File;
+use Apache::lonlocal;
+use Cwd;
 
+my $iconpath;
+
+my %hash;
+
+my $hashtied;
+my %alreadyseen=();
+
+my $hadchanges;
+
+# Available help topics
+
+my %help=();
+
+# Mapread read maps into lonratedt::global arrays 
+# @order and @resources, determines status
+# sets @order - pointer to resources in right order
+# sets @resources - array with the resources with correct idx
+#
+
+sub mapread {
+    my ($coursenum,$coursedom,$map)=@_;
+    return
+      &Apache::lonratedt::mapread('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
+                                $map);
+}
+
+sub storemap {
+    my ($coursenum,$coursedom,$map)=@_;
+    my ($outtext,$errtext)=
+      &Apache::lonratedt::storemap('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
+                                $map,1);
+    if ($errtext) { return ($errtext,2); }
+    
+    $hadchanges=1;
+    return ($errtext,0);
+}
+
+# ----------------------------------------- Return hash with valid author names
+
+sub authorhosts {
+    my %outhash=();
+    my $home=0;
+    my $other=0;
+    foreach (keys %ENV) {
+	if ($_=~/^user\.role\.(au|ca)\.(.+)$/) {
+	    my $role=$1;
+	    my $realm=$2;
+	    my ($start,$end)=split(/\./,$ENV{$_});
+	    if (($start) && ($start>time)) { next; }
+	    if (($end) && (time>$end)) { next; }
+	    my $ca; my $cd;
+	    if ($1 eq 'au') {
+		$ca=$ENV{'user.name'};
+		$cd=$ENV{'user.domain'};
+	    } else {
+		($cd,$ca)=($realm=~/^\/(\w+)\/(\w+)$/);
+	    }
+	    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) { $allowed=1; } }
+	    if ($allowed) {
+		$home++;
+		$outhash{'home_'.$ca.'@'.$cd}=1;
+	    } else {
+		$outhash{'otherhome_'.$ca.'@'.$cd}=$myhome;
+		$other++;
+	    }
+	}
+    }
+    return ($home,$other,%outhash);
+}
+# ------------------------------------------------------ Generate "dump" button
+
+sub dumpbutton {
+    my ($home,$other,%outhash)=&authorhosts();
+    if ($home+$other==0) { return ''; }
+    my $output='</td><td bgcolor="#DDDDCC">';
+    if ($home) {
+	return '</td><td bgcolor="#DDDDCC">'.
+	    '<input type="submit" name="dumpcourse" value="'.
+	    &mt('Dump Course DOCS to Construction Space').'" />'.
+	    &Apache::loncommon::help_open_topic('Docs_Dump_Course_Docs');
+    } else {
+	return'</td><td bgcolor="#DDDDCC">'.
+     &mt('Dump Course DOCS to Construction Space: available on other servers');
+    }
+}
+
+# -------------------------------------------------------- Actually dump course
+
+sub dumpcourse {
+    my $r=shift;
+    $r->print('<html><head><title>Dump DOCS</title></head>'.
+        &Apache::loncommon::bodytag('Dump Course DOCS to Construction Space').
+	      '<form name="dumpdoc" method="post">');
+    my ($home,$other,%outhash)=&authorhosts();
+    unless ($home) { return ''; }
+    my $origcrsid=$ENV{'request.course.id'};
+    my %origcrsdata=&Apache::lonnet::coursedescription($origcrsid);
+    if (($ENV{'form.authorspace'}) && ($ENV{'form.authorfolder'}=~/\w/)) {
+# Do the dumping
+	unless ($outhash{'home_'.$ENV{'form.authorspace'}}) { return ''; }
+	my ($ca,$cd)=split(/\@/,$ENV{'form.authorspace'});
+	$r->print('<h3>'.&mt('Copying Files').'</h3>');
+	my $title=$ENV{'form.authorfolder'};
+	$title=~s/[^\w\/]+/\_/g;
+	my %replacehash=();
+	foreach (keys %ENV) {
+	    if ($_=~/^form\.namefor\_(.+)/) {
+		$replacehash{$1}=$ENV{$_};
+	    }
+	}
+	my $crs='/uploaded/'.$ENV{'request.course.id'}.'/';
+	$crs=~s/\_/\//g;
+	foreach (keys %replacehash) {
+	    my $newfilename=$title.'/'.$replacehash{$_};
+	    $newfilename=~s/[^\w\/\.\/]+/\_/g;
+	    my @dirs=split(/\//,$newfilename);
+	    my $path='/home/'.$ca.'/public_html';
+	    my $makepath=$path;
+	    my $fail=0;
+	    for (my $i=0;$i<$#dirs;$i++) {
+		$makepath.='/'.$dirs[$i];
+		unless (-e $makepath) { 
+		    unless(mkdir($makepath,0777)) { $fail=1; } 
+		}
+	    }
+	    $r->print('<br /><tt>'.$_.'</tt> => <tt>'.$newfilename.'</tt>: ');
+	    if (my $fh=Apache::File->new('>'.$path.'/'.$newfilename)) {
+		if ($_=~/\.(sequence|page|html|htm|xml|xhtml)$/) {
+		    print $fh &Apache::loncreatecourse::rewritefile(
+         &Apache::loncreatecourse::readfile($ENV{'request.course.id'},$_),
+				     (%replacehash,$crs => '')
+								    );
+		} else {
+		    print $fh
+         &Apache::loncreatecourse::readfile($ENV{'request.course.id'},$_);
+		       }
+		$fh->close();
+	    } else {
+		$fail=1;
+	    }
+	    if ($fail) {
+		$r->print('<font color="red">fail</font>');
+	    } else {
+		$r->print('<font color="green">ok</font>');
+	    }
+	}
+    } else {
+# Input form
+	unless ($home==1) {
+	    $r->print(
+		      '<h3>'.&mt('Select the Construction Space').'</h3><select name="authorspace">');
+	}
+	foreach (sort keys %outhash) {
+	    if ($_=~/^home_(.+)$/) {
+		if ($home==1) {
+		    $r->print(
+		  '<input type="hidden" name="authorspace" value="'.$1.'" />');
+		} else {
+		    $r->print('<option value="'.$1.'">'.$1.' - '.
+			      &Apache::loncommon::plainname(split(/\@/,$1)).'</option>');
+		}
+	    }
+	}
+	unless ($home==1) {
+	    $r->print('</select>');
+	}
+	my $title=$origcrsdata{'description'};
+	$title=~s/\s+/\_/gs;
+	$title=~s/\W//gs;
+	$r->print('<h3>'.&mt('Folder in Construction Space').'</h3><input type="text" size="50" name="authorfolder" value="'.$title.'" /><br />');
+	&tiehash();
+	$r->print('<h3>'.&mt('Filenames in Construction Space').'</h3><table border="2"><tr><th>'.&mt('Internal Filename').'</th><th>'.&mt('Title').'</th><th>'.&mt('Save as ...').'</th></tr>');
+	foreach (&Apache::loncreatecourse::crsdirlist($origcrsid,'userfiles')) {
+	    $r->print('<tr><td>'.$_.'</td>');
+	    my ($ext)=($_=~/\.(\w+)$/);
+	    my $title=$hash{'title_'.$hash{
+		'ids_/uploaded/'.$origcrsdata{'domain'}.'/'.$origcrsdata{'num'}.'/'.$_}};
+	    $r->print('<td>'.($title?$title:'&nbsp;').'</td>');
+	    unless ($title) {
+		$title=$_;
+	    }
+	    $title=~s/\.(\w+)$//;
+	    $title=~s/[^\w\/]+/\_/gs;
+	    $title.='.'.$ext;
+	    $r->print("\n<td><input type='text' size='60' name='namefor_".$_."' value='".$title."' /></td></tr>\n");
+	}
+	$r->print("</table>\n");
+	&untiehash();
+	$r->print(
+  '<p><input type="submit" name="dumpcourse" value="'.&mt('Dump Course DOCS').'" /></p></form>');
+    }
+}
+
+# ------------------------------------------------------ Generate "export" button
+
+sub exportbutton {
+    return '</td><td bgcolor="#DDDDCC">'.
+            '<input type="submit" name="exportcourse" value="'.
+            &mt('Export Course to IMS').'" />'.
+            &Apache::loncommon::help_open_topic('Docs_Export_Course_Docs');
+}
+
+sub exportcourse {
+    my $r=shift;
+    my %discussiontime = &Apache::lonnet::dump('discussiontimes',
+                                               $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}, $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
+    my $numdisc = keys %discussiontime;
+    my $navmap = Apache::lonnavmaps::navmap->new();
+    my $it=$navmap->getIterator(undef,undef,undef,1,undef,undef);
+    my $curRes;
+    my $outcome;
+
+    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+                                            ['finishexport']);
+    if ($ENV{'form.finishexport'}) {
+        &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+                                            ['archive','discussion']);
+
+        my @exportitems = ();
+        if (defined($ENV{'form.archive'})) {
+            if (ref($ENV{'form.archive'}) eq 'ARRAY') {
+                @exportitems = @{$ENV{'form.archive'}};
+            } else {
+                $exportitems[0] = $ENV{'form.archive'};
+            }
+        }
+        my @discussions = ();
+        if (defined($ENV{'form.discussion'})) {
+            if (ref($ENV{'form.discussion'}) eq 'ARRAY') {
+                @discussions = $ENV{'form.discussion'};
+            } else {
+                $discussions[0] = $ENV{'form.discussion'};
+            }
+        }
+        if (@exportitems == 0 && @discussions == 0) {
+            $outcome = '<br />As you did not select any content items or discussions for export, an IMS package has not been created.  Please <a href="javascript:history.go(-1)">go back</a> to select either content items or discussions for export';
+        } else {
+            my $now = time;
+            my $count = 0;
+            my %symbs;
+            my $manifestok = 0;
+            my $imsresources;
+            my $tempexport;
+            my $copyresult;
+            my $ims_manifest = &create_ims_store($now,\$manifestok,\$outcome,\$tempexport);
+            if ($manifestok) {
+                &build_package($now,$navmap,\@exportitems,\@discussions,\$outcome,\$tempexport,\$copyresult,$ims_manifest);
+                close($ims_manifest);
+
+#Create zip file in prtspool
+                my $imszipfile = '/prtspool/'.
+                $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
+                   time.'_'.rand(1000000000).'.zip';
+# zip can cause an sh launch which can pass along all of %ENV
+# which can be too large for /bin/sh to handle
+                my %oldENV=%ENV;
+                undef(%ENV);
+                my $cwd = &Cwd::getcwd();
+                my $imszip = '/home/httpd/'.$imszipfile;
+                chdir $tempexport;
+                open(OUTPUT, "zip -r $imszip *  2> /dev/null |");
+                close(OUTPUT);
+                chdir $cwd;
+                %ENV=%oldENV;
+                undef(%oldENV);
+                $outcome .= 'Download the zip file from <a href="'.$imszipfile.'">IMS course archive</a><br />';
+                if ($copyresult) {
+                    $outcome .= 'The following errors occurred during export - '.$copyresult;
+                }
+            } else {
+                $outcome = '<br />Unfortunately you will not be able to retrieve an IMS archive of this posts at this time, because there was a problem creating a manifest file.<br />';
+            }
+        }
+
+        $r->print('<html><head><title>Export Course</title></head>'.
+            &Apache::loncommon::bodytag('Export course to IMS or SCORM content package'));
+        $r->print($outcome);
+        $r->print('</body></html>');
+    } else {
+        my $display;
+        $display = '<form name="exportdoc" method="post">'."\n";
+        $display .= 'Choose which items you wish to export from your course.<br /><br />';
+        $display .= '<table border="0" cellspacing="0" cellpadding="3">'.
+                    '<tr><td><fieldset><legend>&nbsp;<b>Content items</b></legend>'.
+                    '<input type="button" value="check all" '.
+                    'onclick="javascript:checkAll(document.exportdoc.archive)" />'.
+                    '&nbsp;&nbsp;<input type="button" value="uncheck all"'.
+                    ' onclick="javascript:uncheckAll(document.exportdoc.archive)" /></fieldset></td>'.
+                    '<td>&nbsp;</td><td>&nbsp;</td>'.
+                    '<td align="right"><fieldset><legend>&nbsp;<b>Discussion posts'.
+                    '</b></legend><input type="button" value="check all"'.
+                    ' onclick="javascript:checkAll(document.exportdoc.discussion)" />'.
+                    '&nbsp;&nbsp;<input type="button" value="uncheck all"'.
+                    ' onclick="javascript:uncheckAll(document.exportdoc.discussion)" /></fieldset></td>'.
+                    '</tr></table>';
+        my $curRes;
+        my $depth = 0;
+        my $count = 0;
+        my $boards = 0;
+        my $startcount = 5;
+        my %parent = ();
+        my %children = ();
+        my $lastcontainer = $startcount;
+        my @bgcolors = ('#F6F6F6','#FFFFFF');
+        $display .= '<table cellspacing="0"><tr>'.
+            '<td><b>Export content item?<br /></b></td><td>&nbsp;</td><td align="right">'."\n";
+        if ($numdisc > 0) {
+            $display.='<b>Export&nbsp;discussion posts?</b>'."\n";
+        }
+        $display.='&nbsp;</td></tr>';
+        while ($curRes = $it->next()) {
+            if (ref($curRes)) {
+                $count ++;
+            }
+            if ($curRes == $it->BEGIN_MAP()) {
+                $depth++;
+                $parent{$depth} = $lastcontainer;
+            }
+            if ($curRes == $it->END_MAP()) {
+                $depth--;
+                $lastcontainer = $parent{$depth};
+            }
+            if (ref($curRes)) {
+                my $symb = $curRes->symb();
+                my $color = $count%2;
+                $display .='<tr bgcolor='.$bgcolors[$color].'><td>'."\n".
+                    '<input type="checkbox" name="archive" value="'.$count.'" ';
+                if (($curRes->is_sequence()) || ($curRes->is_page())) {
+                    my $checkitem = $count + $boards + $startcount;
+                    $display .= 'onClick="javascript:propagateCheck('."'$checkitem'".')"';
+                }
+                $display .= ' />'."\n";
+                for (my $i=0; $i<$depth; $i++) {
+                    $display .= '<img src="/adm/lonIcons/whitespace1.gif" width="25" height="1" alt="" border="0" /><img src="/adm/lonIcons/whitespace1.gif" width="25" height="1" alt="" border="0" />'."\n";
+                }
+                if ($curRes->is_sequence()) {
+                    $display .= '<img src="/adm/lonIcons/navmap.folder.open.gif">&nbsp;'."\n";
+                    $lastcontainer = $count + $startcount + $boards;
+                } elsif ($curRes->is_page()) {
+                    $display .= '<img src="/adm/lonIcons/navmap.page.open.gif">&nbsp;'."\n";
+                    $lastcontainer = $count + $startcount + $boards;
+                }
+                my $currelem = $count+$boards+$startcount;
+                $children{$parent{$depth}} .= $currelem.':';
+                $display .= '&nbsp;'.$curRes->title().'</td>';
+                if ($discussiontime{$symb} > 0) {
+                    $boards ++;
+                    $currelem = $count+$boards+$startcount;
+                    $display .= '<td>&nbsp;</td><td align="right"><input type="checkbox" name="discussion" value="'.$count.'" />&nbsp;</td>'."\n";
+                } else {
+                    $display .= '<td colspan="2">&nbsp;</td>'."\n";
+                }
+            }
+        }
+        my $scripttag = qq|
+<script>
+
+function checkAll(field) {
+    for (i = 0; i < field.length; i++)
+        field[i].checked = true ;
+}
+
+function uncheckAll(field) {
+    for (i = 0; i < field.length; i++)
+        field[i].checked = false ;
+}
+
+function propagateCheck(item) {
+    if (document.exportdoc.elements[item].checked == true) {
+        containerCheck(item)
+    }
+} 
+
+function containerCheck(item) {
+    document.exportdoc.elements[item].checked = true
+    var numitems = $count + $boards + $startcount
+    var parents = new Array(numitems)
+    for (var i=$startcount; i<numitems; i++) {
+        parents[i] = new Array
+    }
+        |;
+
+        foreach my $container (sort { $a <=> $b } keys %children) {
+            my @contents = split/:/,$children{$container};
+            for (my $i=0; $i<@contents; $i ++) {
+                $scripttag .= '    parents['.$container.']['.$i.'] = '.$contents[$i]."\n";
+            }
+        }
+
+        $scripttag .= qq|
+    if (parents[item].length > 0) {
+        for (var j=0; j<parents[item].length; j++) {
+            containerCheck(parents[item][j])
+        }
+     }   
+}
+
+</script>
+        |;
+        $r->print('<html><head><title>Export Course</title>'.$scripttag.'</head>'.
+            &Apache::loncommon::bodytag('Export course to IMS or SCORM content package'
+));
+
+        $r->print($display.'</table>'.
+                  '<p><input type="hidden" name="finishexport" value="1">'.
+                  '<input type="submit" name="exportcourse" value="'.
+                  &mt('Export Course DOCS').'" /></p></form></body></html>');
+    }
+}
+
+sub create_ims_store {
+    my ($now,$manifestok,$outcome,$tempexport) = @_;
+    $$tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
+    my $ims_manifest;
+    if (!-e $$tempexport) {
+        mkdir($$tempexport,0700);
+    }
+    $$tempexport .= '/'.$now;
+    if (!-e $$tempexport) {
+        mkdir($$tempexport,0700);
+    }
+    $$tempexport .= '/'.$ENV{'user.domain'}.'_'.$ENV{'user.name'};
+    if (!-e $$tempexport) {
+        mkdir($$tempexport,0700);
+    }
+# open manifest file
+    my $manifest = '/imsmanifest.xml';
+    my $manifestfilename = $$tempexport.$manifest;
+    if ($ims_manifest = Apache::File->new('>'.$manifestfilename)) {
+        $$manifestok=1;
+        print $ims_manifest
+'<?xml version="1.0" encoding="UTF-8"?>'."\n".
+'<manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1"'.
+' xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"'.
+' xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"'.
+' identifier="MANIFEST-'.$ENV{'request.course.id'}.'-'.$now.'"'.
+'  xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1imscp_v1p1.xsd'.
+'  http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">'."\n".
+'  <organizations default="ORG-."'.$ENV{'request,course.id'}.'-'.$now.'">'."\n".
+'    <organization identifier="ORG-'.$ENV{'request.course.id'}.'-'.$now.'"'.
+' structure="hierarchical">'."\n".
+'      <title>'.$ENV{'request.'.$ENV{'request.course.id'}.'.description'}.'</title>'
+    } else {
+        $$outcome .= 'An error occurred opening the IMS manifest file.<br />'
+;
+    }
+    return $ims_manifest;
+}
+
+sub build_package {
+    my ($now,$navmap,$exportitems,$discussions,$outcome,$tempexport,$copyresult,$ims_manifest) = @_;
+# first iterator to look for dependencies
+    my $it = $navmap->getIterator(undef,undef,undef,1,undef,undef);
+    my $curRes;
+    my $count = 0;
+    my $depth = 0;
+    my $lastcontainer = 0;
+    my %parent = ();
+    my @dependencies = ();
+    my $cnum = $ENV{'request.'.$ENV{'request.course.id'}.'.num'};
+    my $cdom = $ENV{'request.'.$ENV{'request.course.id'}.'.domain'};
+    while ($curRes = $it->next()) {
+        if (ref($curRes)) {
+            $count ++;
+        }
+        if ($curRes == $it->BEGIN_MAP()) {
+            $depth++;
+            $parent{$depth} = $lastcontainer;
+        }
+        if ($curRes == $it->END_MAP()) {
+            $depth--;
+            $lastcontainer = $parent{$depth};
+        }
+        if (ref($curRes)) {
+            if ($curRes->is_sequence() || $curRes->is_page()) {
+                $lastcontainer = $count;
+            }
+            if (grep/^$count$/,@$exportitems) {
+                &get_dependencies($exportitems,\%parent,$depth,\@dependencies);
+            }
+        }
+    }
+# second iterator to build manifest and store resources
+    $it = $navmap->getIterator(undef,undef,undef,1,undef,undef);
+    $depth = 0;
+    my $prevdepth;
+    $count = 0;
+    my $imsresources;
+    my $pkgdepth;
+    if ($curRes == $it->BEGIN_MAP()) {
+        $prevdepth = $depth;
+        $depth++;
+    }
+    if ($curRes == $it->END_MAP()) {
+        $prevdepth = $depth;
+        $depth--;
+    }
+
+    if (ref($curRes)) {
+        if ((grep/^$count$/,@$exportitems) || (grep/^$count$/,@dependencies)) {
+            my $symb = $curRes->symb();
+            my $isvisible = 'true';
+            my $resourceref;
+            if ($curRes->randomout()) {
+                $isvisible = 'false';
+            }
+            unless ($curRes->is_sequence()) {
+                $resourceref = 'identifierref="RES-'.$ENV{'request.course.id'}.'-'.$count.'"';
+            }
+            if (($depth <= $prevdepth) && ($count > 1)) {
+                print $ims_manifest '  </item>'."\n";
+            }
+            $prevdepth = $depth;
+
+            my $itementry =
+              '<item identifier="ITEM-'.$ENV{'request.course.id'}.'-'.$count.
+              '" isvisible="'.$isvisible.'" '.$resourceref.'>'.
+              '<title>'.$curRes->title().'</title>';
+            print $ims_manifest "\n".$itementry;
+
+            unless ($curRes->is_sequence()) {
+                my $content_file;
+                my @hrefs = ();
+                &process_content($count,$curRes,$cdom,$cnum,$symb,$content_file,\@hrefs,$copyresult,$tempexport);
+                if ($content_file) {
+                    $imsresources .= "\n".
+                     '   <resource identifier="RES-'.$ENV{'request.course.id'}.'-'.$count.
+                     '" type="webcontent" href="'.$content_file.'">'."\n".
+                     '       <file href="'.$content_file.'" />'."\n";
+                    foreach (@hrefs) {
+                        $imsresources .=
+                     '        <file href="'.$_.'" />'."\n";
+                    }
+                    $imsresources .= '    </resource>'."\n";
+                }
+            }
+            $pkgdepth = $depth;
+        }
+    }
+    while ($pkgdepth > -1) {
+        print $ims_manifest "    </item>\n";
+        $pkgdepth --;
+    }
+    my $resource_text = qq|
+    </organization>
+  </organizations>
+  <resources>
+    $imsresources
+  </resources>
+</manifest>
+    |;
+    print $ims_manifest $resource_text;
+}
+
+sub get_dependencies {
+    my ($exportitems,$parent,$depth,$dependencies) = @_;
+    if ($depth > 1) {
+        unless (grep/^$$parent{$depth}$/,@$exportitems || grep/^$$parent{$depth}$/,@$dependencies) {
+            push @$dependencies, $$parent{$depth};
+            if ($depth > 2) {
+                &get_dependencies($exportitems,$parent,$depth-1,$dependencies);
+            }
+        }
+    }
+}
+
+sub process_content {
+    my ($count,$curRes,$cdom,$cnum,$symb,$content_file,$href,$copyresult,$tempexport) = @_;
+    my $content_type;
+    my $message;
+# find where user is author or co-author
+    my %roleshash = &Appache::lonnet::get_my_roles();
+    if ($curRes->is_page()) {
+        $content_type = 'page';
+    } elsif ($symb =~ m-public/$cdom/$cnum/syllabus$-) {
+        $content_type = 'syllabus';
+    } elsif ($symb =~ m-\.sequence____\d+____ext-) {
+        $content_type = 'external';
+    } elsif ($symb =~ m-adm/navmaps$-) {
+        $content_type =  'navmap';
+    } elsif ($symb =~ m-adm/$cdom/$cnum/\d+/smppg$-) {
+        $content_type = 'simplepage';
+    } elsif ($symb =~ m-$-) {
+        $content_type = 'simpleproblem';
+    } elsif ($symb =~ m-adm/$cdom/$cnum/\d+/bulletinboard$-) {
+        $content_type = 'bulletinboard';
+    } elsif ($symb =~ m-adm/$cdom/$cnum/\d+/aboutme$-) {
+        $content_type = 'aboutme';
+    } elsif ($symb =~ m-uploaded/$cdom/$cnum-) {
+        &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,'uploaded');
+    } elsif ($symb =~ m-\.sequence____\d+____([^/])/([^/])-) {
+        my $coauth = $2.':'.$1.':ca';
+        my $canedit = 0;
+        if ($1 eq $ENV{'user.domain'} && $2 eq $ENV{'user.name'})  {
+            $canedit= 1;
+        } elsif (defined($roleshash{$coauth})) {
+            if ($roleshash{$coauth} =~ /(\d+):(\d+)/) {
+                if (($1 < time || $1 == 0) && ($2 == 0 || $2 >= time)) {
+                    $canedit = 1;
+                }
+            } elsif ($roleshash{$coauth} eq ':') {
+                $canedit = 1;
+            }
+        }
+        if ($canedit) {
+            &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,'resource');
+        } else {
+            &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,'noedit');
+        }
+    }
+    $$copyresult .= $message."\n";
+}
+
+sub replicate_content {
+    my ($cdom,$cnum,$tempexport,$symb,$count,$message,$caller) = @_;
+    my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
+    my $feedurl = &Apache::lonnet::clutter($url);
+
+    my $content;
+    my $filename;
+    my $repstatus;
+    if ($url =~ m-[^/]/(.+)$-) {
+        $filename = $1;
+        if (!-e $tempexport.'/resources') {
+            mkdir($tempexport.'/resources',0700);
+        }
+        if (!-e $tempexport.'/resources') {
+            mkdir($tempexport.'/resources/'.$count,0700);
+        }
+        my $destination = $$tempexport.'/resources/'.$count.'/'.$filename;
+        my $copiedfile;
+        if ($copiedfile = Apache::File->new('>'.$destination)) {
+            my $content;
+            if ($caller eq 'uploaded' || $caller eq 'resource') {
+                $content = &Apache::lonnet::getfile($url);
+                if ($content eq -1) {
+                    $$message = 'Could not copy file '.$filename;
+                } else {
+                    $repstatus = 'ok';
+                }
+            } elsif ($caller eq 'noedit') {
+                my $rtncode;
+                $repstatus = &getuploaded('GET',$url,$cdom,$cnum,$content,$rtncode);
+                unless ($repstatus eq 'ok') {
+                    $$message = 'Could not render '.$url.' server message - '.$rtncode;
+                }
+            }
+            if ($repstatus eq 'ok') {
+                print $copiedfile $content;
+            }
+            close($copiedfile);
+        } else {
+            $$message = 'Could not open destination file for '.$filename."\n";
+        }
+    } else {
+        $$message = 'Could not determine name of file for ';
+    }
+    return $repstatus;
+}
+
+# Imports the given (name, url) resources into the course
+# coursenum, coursedom, and folder must precede the list
+sub group_import {
+    my $coursenum = shift;
+    my $coursedom = shift;
+    my $folder = shift;
+    my $container = shift;
+    my $caller = shift;
+    while (@_) {
+	my $name = shift;
+	my $url = shift;
+        if (($url =~ m#^/uploaded/$coursedom/$coursenum/(default_\d+\.)(page|sequence)$#) && ($caller eq 'londocs')) {
+            my $errtext = '';
+            my $fatal = 0;
+            my $newmapstr = '<map>'."\n".
+                            '<resource id="1" src="" type="start"></resource>'."\n".
+                            '<link from="1" to="2" index="1"></link>'."\n".
+                            '<resource id="2" src="" type="finish"></resource>'."\n".
+                            '</map>';
+            $ENV{'form.output'}=$newmapstr;
+            my $home=&Apache::lonnet::homeserver($coursenum,$coursedom);
+            my $result=&Apache::lonnet::finishuserfileupload($coursenum,$coursedom,$home,
+                                                'output',$1.$2);
+            if ($result != m|^/uploaded/|) {
+                $errtext.='Map not saved: A network error occured when trying to save the new map. ';
+                $fatal = 2;
+            }
+            if ($fatal) {
+                return ($errtext,$fatal);
+            }
+        }
+	if ($url) {
+	    my $idx = $#Apache::lonratedt::resources + 1;
+	    $Apache::lonratedt::order[$#Apache::lonratedt::order+1]=$idx;
+	    my $ext = 'false';
+	    if ($url=~/^http:\/\//) { $ext = 'true'; }
+	    $url =~ s/:/\&colon;/g;
+	    $name =~ s/:/\&colon;/g;
+	    $Apache::lonratedt::resources[$idx] = 
+		join ':', ($name, $url, $ext, 'normal', 'res');
+	}
+    }
+    return &storemap($coursenum, $coursedom, $folder.'.'.$container);
+}
+
+sub breadcrumbs {
+    my ($where)=@_;
+    &Apache::lonhtmlcommon::clear_breadcrumbs();
+    my (@folders);
+    if ($ENV{'form.pagepath'}) {
+        @folders = split('&',$ENV{'form.pagepath'});
+    } else {
+        @folders=split('&',$ENV{'form.folderpath'});
+    }
+    my $folderpath;
+    while (@folders) {
+	my $folder=shift(@folders);
+	my $foldername=shift(@folders);
+	if ($folderpath) {$folderpath.='&';}
+	$folderpath.=$folder.'&'.$foldername;
+	my $url='/adm/coursedocs?folderpath='.
+	    &Apache::lonnet::escape($folderpath);
+	    &Apache::lonhtmlcommon::add_breadcrumb(
+		      {'href'=>$url,
+		       'title'=>&Apache::lonnet::unescape($foldername),
+		       'text'=>'<font size="+1">'.
+			   &Apache::lonnet::unescape($foldername).'</font>'
+		       });
+		       
+						 
+    }
+    return &Apache::lonhtmlcommon::breadcrumbs(undef,undef,undef,undef,undef,
+					       0,'nohelp');
+}
+
+sub editor {
+    my ($r,$coursenum,$coursedom,$folder,$allowed)=@_;
+
+    $r->print(&breadcrumbs($folder));
+    my $errtext='';
+    my $fatal=0;
+    my $container='sequence';
+    if ($ENV{'form.pagepath'}) {
+        $container='page';
+    }
+    ($errtext,$fatal)=
+              &mapread($coursenum,$coursedom,$folder.'.'.$container);
+    if ($#Apache::lonratedt::order<1) {
+       	$Apache::lonratedt::order[0]=1;
+        $Apache::lonratedt::resources[1]='';
+    }
+    if ($fatal) {
+	   $r->print('<p><font color="red">'.$errtext.'</font></p>');
+    } else {
+# ------------------------------------------------------------ Process commands
+
+# ---------------- if they are for this folder and user allowed to make changes
+	if (($allowed) && ($ENV{'form.folder'} eq $folder)) {
+# set parameters and change order
+	    if (defined($ENV{'form.setparms'})) {
+		my $idx=$ENV{'form.setparms'};
+# set parameters
+		if ($ENV{'form.randpick_'.$idx}) {
+		    &Apache::lonratedt::storeparameter($idx,'parameter_randompick',$ENV{'form.randpick_'.$idx},'int_pos');
+		} else {
+		    &Apache::lonratedt::delparameter($idx,'parameter_randompick');
+		}
+		if ($ENV{'form.hidprs_'.$idx}) {
+		    &Apache::lonratedt::storeparameter($idx,'parameter_hiddenresource','yes','string_yesno');
+		} else {
+		    &Apache::lonratedt::delparameter($idx,'parameter_hiddenresource');
+		}
+		if ($ENV{'form.encprs_'.$idx}) {
+		    &Apache::lonratedt::storeparameter($idx,'parameter_encrypturl','yes','string_yesno');
+		} else {
+		    &Apache::lonratedt::delparameter($idx,'parameter_encrypturl');
+		}
+
+		if ($ENV{'form.newpos'}) {
+# change order
+
+		    my $newpos=$ENV{'form.newpos'}-1;
+		    my $currentpos=$ENV{'form.currentpos'}-1;
+		    my $i;
+		    my @neworder=();
+		    if ($newpos>$currentpos) {
+# moving stuff up
+			for ($i=0;$i<$currentpos;$i++) {
+			    $neworder[$i]=$Apache::lonratedt::order[$i];
+			}
+			for ($i=$currentpos;$i<$newpos;$i++) {
+			    $neworder[$i]=$Apache::lonratedt::order[$i+1];
+			}
+                        $neworder[$newpos]=$Apache::lonratedt::order[$currentpos];
+			for ($i=$newpos+1;$i<=$#Apache::lonratedt::order;$i++) {
+			    $neworder[$i]=$Apache::lonratedt::order[$i];
+			}
+		    } else {
+# moving stuff down
+			for ($i=0;$i<$newpos;$i++) {
+			    $neworder[$i]=$Apache::lonratedt::order[$i];
+			}
+			$neworder[$newpos]=$Apache::lonratedt::order[$currentpos];
+			for ($i=$newpos+1;$i<$currentpos+1;$i++) {
+			    $neworder[$i]=$Apache::lonratedt::order[$i-1];
+			}
+			for ($i=$currentpos+1;$i<=$#Apache::lonratedt::order;$i++) {
+			    $neworder[$i]=$Apache::lonratedt::order[$i];
+			}
+		    }
+		    @Apache::lonratedt::order=@neworder;
+		}
+# store the changed version
+
+		($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
+		if ($fatal) {
+		    $r->print('<p><font color="red">'.$errtext.'</font></p>');
+		    return;
+		}
+		
+	    }
+
+# upload a file, if present
+           if (($ENV{'form.uploaddoc.filename'}) &&
+               ($ENV{'form.cmd'}=~/^upload_(\w+)/)) {
+	    if ( ($folder=~/^$1/) || ($1 eq 'default') ) {
+# this is for a course, not a user, so set coursedoc flag
+# probably the only place in the system where this should be "1"
+	      my $url=&Apache::lonnet::userfileupload('uploaddoc',1,'docs');
+              my $ext='false';
+              if ($url=~/^http\:\/\//) { $ext='true'; }
+              $url=~s/\:/\&colon;/g;
+	      my $comment=$ENV{'form.comment'};
+              $comment=~s/\</\&lt\;/g;
+              $comment=~s/\>/\&gt\;/g;
+              $comment=~s/\:/\&colon;/g;
+              if ($folder=~/^supplemental/) {
+		  $comment=time.'___&&&___'.$ENV{'user.name'}.'___&&&___'.
+		      $ENV{'user.domain'}.'___&&&___'.$comment;
+              }
+              my $newidx=$#Apache::lonratedt::resources+1;
+              $Apache::lonratedt::resources[$newidx]=
+                  $comment.':'.$url.':'.$ext.':normal:res';
+              $Apache::lonratedt::order[$#Apache::lonratedt::order+1]=
+                                                              $newidx;       
+
+	      ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
+	      if ($fatal) {
+		  $r->print('<p><font color="red">'.$errtext.'</font></p>');
+		  return;
+	      }
+	     }
+            }
+	    if ($ENV{'form.cmd'}) {
+                my ($cmd,$idx)=split(/\_/,$ENV{'form.cmd'});
+                if ($cmd eq 'del') {
+		    my (undef,$url)=split(':',$Apache::lonratedt::resources[$Apache::lonratedt::order[$idx]]);
+		    if ($url=~m|/+uploaded/\Q$coursedom\E/\Q$coursenum\E/|) {
+			&Apache::lonnet::removeuploadedurl($url);
+		    }
+		    for (my $i=$idx;$i<$#Apache::lonratedt::order;$i++) {
+                        $Apache::lonratedt::order[$i]=
+                          $Apache::lonratedt::order[$i+1];
+                    }
+                    $#Apache::lonratedt::order--;
+                } elsif ($cmd eq 'up') {
+		  if (($idx) && (defined($Apache::lonratedt::order[$idx-1]))) {
+                    my $i=$Apache::lonratedt::order[$idx-1];
+                    $Apache::lonratedt::order[$idx-1]=
+			$Apache::lonratedt::order[$idx];
+                    $Apache::lonratedt::order[$idx]=$i;
+		   }
+                } elsif ($cmd eq 'down') {
+		   if (defined($Apache::lonratedt::order[$idx+1])) {
+                    my $i=$Apache::lonratedt::order[$idx+1];
+                    $Apache::lonratedt::order[$idx+1]=
+			$Apache::lonratedt::order[$idx];
+                    $Apache::lonratedt::order[$idx]=$i;
+		   }
+                } elsif ($cmd eq 'rename') {
+                    my $ratstr = $Apache::lonratedt::resources[$Apache::lonratedt::order[$idx]];
+                    my ($rtitle,@rrest)=split(/\:/,
+                       $Apache::lonratedt::resources[
+				       $Apache::lonratedt::order[$idx]]);
+                    my $comment=
+                     &HTML::Entities::decode($ENV{'form.title'});
+                    $comment=~s/\</\&lt\;/g;
+                    $comment=~s/\>/\&gt\;/g;
+                    $comment=~s/\:/\&colon;/g;
+		    if ($comment=~/\S/) {
+			$Apache::lonratedt::resources[
+				       $Apache::lonratedt::order[$idx]]=
+				            $comment.':'.join(':',@rrest);
+		    }
+                }
+# Store the changed version
+		($errtext,$fatal)=&storemap($coursenum,$coursedom,
+					    $folder.'.'.$container);
+		if ($fatal) {
+		    $r->print('<p><font color="red">'.$errtext.'</font></p>');
+		    return;
+		}
+            }
+# Group import/search
+	    if ($ENV{'form.importdetail'}) {
+		my @imports;
+		foreach (split(/\&/,$ENV{'form.importdetail'})) {
+		    if (defined($_)) {
+			my ($name,$url)=split(/\=/,$_);
+			$name=&Apache::lonnet::unescape($name);
+			$url=&Apache::lonnet::unescape($url);
+			push @imports, $name, $url;
+		    }
+		}
+# Store the changed version
+		($errtext,$fatal)=group_import($coursenum, $coursedom, $folder,
+					       $container,'londocs',@imports);
+		if ($fatal) {
+		    $r->print('<p><font color="red">'.$errtext.'</font></p>');
+		    return;
+		}
+            }
+# Loading a complete map
+	   if (($ENV{'form.importmap'}) && ($ENV{'form.loadmap'})) {
+	       foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$ENV{'form.importmap'}))) {
+                   my $idx=$#Apache::lonratedt::resources;
+                   $idx++;
+                   $Apache::lonratedt::resources[$idx]=$_;
+                   $Apache::lonratedt::order
+		       [$#Apache::lonratedt::order+1]=$idx;
+	       }
+
+# Store the changed version
+	       ($errtext,$fatal)=&storemap($coursenum,$coursedom,
+					   $folder.'.'.$container);
+	       if ($fatal) {
+		   $r->print('<p><font color="red">'.$errtext.'</font></p>');
+		   return;
+	       }
+           }
+       }
+# ---------------------------------------------------------------- End commands
+# ---------------------------------------------------------------- Print screen
+        my $idx=0;
+	my $shown=0;
+        $r->print('<table>');
+        foreach (@Apache::lonratedt::order) {
+           my ($name,$url)=split(/\:/,$Apache::lonratedt::resources[$_]);
+           unless ($name) {  $name=(split(/\//,$url))[-1]; }
+           unless ($name) { $idx++; next; }
+           $r->print(&entryline($idx,$name,$url,$folder,$allowed,$_,$coursenum));
+           $idx++;
+	   $shown++;
+        }
+	unless ($shown) {
+	    $r->print('<tr><td>'.&mt('Currently no documents.').'</td></tr>');
+	}
+        $r->print('</table>');
+    }
+}
+
+# --------------------------------------------------------------- An entry line
+
+sub entryline {
+    my ($index,$title,$url,$folder,$allowed,$residx,$coursenum)=@_;
+    $title=~s/\&colon\;/\:/g;
+    $title=&HTML::Entities::encode(&HTML::Entities::decode(
+     &Apache::lonnet::unescape($title)),'"<>&\'');
+    my $renametitle=$title;
+    my $foldertitle=$title;
+    my $pagetitle=$title;
+    my $orderidx=$Apache::lonratedt::order[$index];
+    if ($title=~ /^(\d+)___&amp;&amp;&amp;___(\w+)___&amp;&amp;&amp;___(\w+)___&amp;&amp;&amp;___(.*)$/	) { 
+	$foldertitle=&Apache::lontexconvert::msgtexconverted($4);
+	$renametitle=$4;
+	$title='<i>'.&Apache::lonlocal::locallocaltime($1).'</i> '.
+	    &Apache::loncommon::plainname($2,$3).': <br />'.
+	    $foldertitle;
+    }
+    $renametitle=~s/\&quot\;/\\\"/g;
+    my $line='<tr>';
+# Edit commands
+    my $container;
+    my $folderpath;
+    if ($ENV{'form.folderpath'}) {
+        $container = 'sequence';
+	$folderpath=&Apache::lonnet::escape($ENV{'form.folderpath'});
+	# $htmlfoldername=&HTML::Entities::encode($ENV{'form.foldername'},'<>&"');
+    }
+    my $pagepath;
+    if ($ENV{'form.pagepath'}) {
+        $container = 'page';
+        $pagepath=&Apache::lonnet::escape($ENV{'form.pagepath'});
+    }
+    if ($allowed) {
+	my $incindex=$index+1;
+	my $selectbox='';
+	if ($folder!~/^supplemental/) {
+	    $selectbox=
+		'<input type="hidden" name="currentpos" value="'.$incindex.'" />'.
+		'<select name="newpos" onChange="this.form.submit()">';
+	    for (my $i=1;$i<=$#Apache::lonratedt::order+1;$i++) {
+		if ($i==$incindex) {
+		    $selectbox.='<option value="" selected="1">('.$i.')</option>';
+		} else {
+		    $selectbox.='<option value="'.$i.'">'.$i.'</option>';
+		}
+	    }
+	    $selectbox.='</select>';
+	}
+	my %lt=&Apache::lonlocal::texthash(
+                'up' => 'Move Up',
+		'dw' => 'Move Down',
+		'rm' => 'Remove',
+		'rn' => 'Rename');
+        if ($ENV{'form.pagepath'}) {
+            $line.=(<<END);
+<form name="entry_$index" action="/adm/coursedocs" method="post">
+<input type="hidden" name="pagepath" value="$ENV{'form.pagepath'}" />
+<input type="hidden" name="setparms" value="$orderidx" />
+<td><table border='0' cellspacing='2' cellpadding='0'>
+<tr><td bgcolor="#DDDDDD">
+<a href='/adm/coursedocs?cmd=up_$index&pagepath=$pagepath'>
+<img src="${iconpath}move_up.gif" alt='$lt{'up'}' border='0' /></a></td></tr>
+<tr><td bgcolor="#DDDDDD">
+<a href='/adm/coursedocs?cmd=down_$index&pagepath=$pagepath'>
+<img src="${iconpath}move_down.gif" alt='$lt{'dw'}' border='0' /></a></td></tr>
+</table></td>
+<td>$selectbox
+</td><td bgcolor="#DDDDDD">
+<a href='javascript:removeres("$pagepath","$index","$renametitle","page");'>
+<font size="-2" color="#990000">$lt{'rm'}</font></a>
+<a href='javascript:changename("$pagepath","$index","$renametitle","page");'>
+<font size="-2" color="#009900">$lt{'rn'}</font></a></td>
+END
+        } else {
+            $line.=(<<END); 
+<form name="entry_$index" action="/adm/coursedocs" method="post">
+<input type="hidden" name="folderpath" value="$ENV{'form.folderpath'}" />
+<input type="hidden" name="setparms" value="$orderidx" />
+<td><table border='0' cellspacing='2' cellpadding='0'>
+<tr><td bgcolor="#DDDDDD">
+<a href='/adm/coursedocs?cmd=up_$index&folderpath=$folderpath'>
+<img src="${iconpath}move_up.gif" alt='$lt{'up'}' border='0' /></a></td></tr>
+<tr><td bgcolor="#DDDDDD">
+<a href='/adm/coursedocs?cmd=down_$index&folderpath=$folderpath'>
+<img src="${iconpath}move_down.gif" alt='$lt{'dw'}' border='0' /></a></td></tr>
+</table></td>
+<td>$selectbox
+</td><td bgcolor="#DDDDDD">
+<a href='javascript:removeres("$folderpath","$index","$renametitle","sequence");'>
+<font size="-2" color="#990000">$lt{'rm'}</font></a>
+<a href='javascript:changename("$folderpath","$index","$renametitle","sequence");'>
+<font size="-2" color="#009900">$lt{'rn'}</font></a></td>
+END
+        }
+    }
+# Figure out what kind of a resource this is
+    my ($extension)=($url=~/\.(\w+)$/);
+    my $uploaded=($url=~/^\/*uploaded\//);
+    my $icon=&Apache::loncommon::icon($url);
+    my $isfolder=0;
+    my $ispage=0;
+    my $folderarg;
+    my $pagearg;
+    my $pagefile;
+    if ($uploaded) {
+	if ($extension eq 'sequence') {
+	    $icon=$iconpath.'/folder_closed.gif';
+	    $url=~/$coursenum\/([\/\w]+)\.sequence$/;
+	    $url='/adm/coursedocs?';
+	    $folderarg=$1;
+	    $isfolder=1;
+        } elsif ($extension eq 'page') {
+            $icon=$iconpath.'/page.gif';
+            $url=~/$coursenum\/([\/\w]+)\.page$/;
+            $pagearg=$1;
+            $url='/adm/coursedocs?';
+            $ispage=1;
+	} else {
+	    &Apache::lonnet::allowuploaded('/adm/coursedoc',$url);
+	}
+    }
+    $url=~s/^http\&colon\;\/\//\/adm\/wrapper\/ext\//;
+    if ((!$isfolder) && ($residx) && ($folder!~/supplemental/) && (!$ispage)) {
+	my $symb=&Apache::lonnet::symbclean(
+          &Apache::lonnet::declutter('uploaded/'.
+           $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.'/'.
+           $ENV{'course.'.$ENV{'request.course.id'}.'.num'}.'/'.$folder.
+           '.sequence').
+           '___'.$residx.'___'.
+	   &Apache::lonnet::declutter($url));
+	(undef,undef,$url)=&Apache::lonnet::decode_symb($symb);
+	$url=&Apache::lonnet::clutter($url);
+	if ($url=~/^\/*uploaded\//) {
+	    $url=~/\.(\w+)$/;
+	    my $embstyle=&Apache::loncommon::fileembstyle($1);
+	    if (($embstyle eq 'img') || ($embstyle eq 'emb')) {
+		$url='/adm/wrapper'.$url;
+	    } elsif ($embstyle eq 'ssi') {
+		#do nothing with these
+	    } elsif ($url!~/\.(sequence|page)$/) {
+		$url='/adm/coursedocs/showdoc'.$url;
+	    }
+	} elsif ($url=~m|^/ext/|) { 
+	    $url='/adm/wrapper'.$url;
+	}
+	$url.=(($url=~/\?/)?'&':'?').'symb='.&Apache::lonnet::escape($symb);
+	if ($container eq 'page') {
+	    my $symb=$ENV{'form.pagesymb'};
+	    	    
+	    $url=&Apache::lonnet::clutter((&Apache::lonnet::decode_symb($symb))[2]);
+	    $url.=(($url=~/\?/)?'&':'?').'symb='.&Apache::lonnet::escape($symb);
+	}
+    }
+    my $parameterset='&nbsp;';
+    if ($isfolder) {
+	my $foldername=&Apache::lonnet::escape($foldertitle);
+	my $folderpath=$ENV{'form.folderpath'};
+	if ($folderpath) { $folderpath.='&' };
+	$folderpath.=$folderarg.'&'.$foldername;
+	$url.='folderpath='.&Apache::lonnet::escape($folderpath);
+	$parameterset='<label>'.&mt('Randomly Pick: ').
+	    '<input type="text" size="4" name="randpick_'.$orderidx.'" value="'.
+	    (&Apache::lonratedt::getparameter($orderidx,
+                                              'parameter_randompick'))[0].
+                                              '" />'.'</label>';
+       
+    }
+    if ($ispage) {
+        my $pagename=&Apache::lonnet::escape($pagetitle);
+        my $pagepath;
+        my $folderpath=$ENV{'form.folderpath'};
+        if ($folderpath) { $pagepath = $folderpath.'&' };
+        $pagepath.=$pagearg.'&'.$pagename;
+	my $symb=$ENV{'form.pagesymb'};
+	if (!$symb) {
+	    my $path='uploaded/'.
+		$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.'/'.
+		$ENV{'course.'.$ENV{'request.course.id'}.'.num'}.'/';
+	    $symb=&Apache::lonnet::encode_symb($path.$folder.'.sequence',
+					       $residx,
+					       $path.$pagearg.'.page');
+	}
+	$url.='pagepath='.&Apache::lonnet::escape($pagepath).
+	    '&pagesymb='.&Apache::lonnet::escape($symb);
+    }
+    $line.='<td bgcolor="#FFFFBB"><a href="'.$url.'"><img src="'.$icon.
+	'" border="0"></a></td>'.
+        "<td bgcolor='#FFFFBB'><a href='$url'>$title</a></td>";
+    if (($allowed) && ($folder!~/^supplemental/)) {
+ 	my %lt=&Apache::lonlocal::texthash(
+ 			      'hd' => 'Hidden',
+ 			      'ec' => 'URL hidden',
+ 			      'sp' => 'Store Parameters');
+	my $enctext=
+	    ((&Apache::lonratedt::getparameter($orderidx,'parameter_encrypturl'))[0]=~/^yes$/i?' checked="1"':'');
+	my $hidtext=
+	    ((&Apache::lonratedt::getparameter($orderidx,'parameter_hiddenresource'))[0]=~/^yes$/i?' checked="1"':'');
+	$line.=(<<ENDPARMS);
+<td bgcolor="#BBBBFF"><font size='-2'>
+<nobr><label><input type="checkbox" name="hidprs_$orderidx" $hidtext/> $lt{'hd'}</label></nobr></td>
+<td bgcolor="#BBBBFF"><font size='-2'>
+<nobr><label><input type="checkbox" name="encprs_$orderidx" $enctext/> $lt{'ec'}</label></nobr></td>
+<td bgcolor="#BBBBFF"><font size="-2">$parameterset</font></td>
+<td bgcolor="#BBBBFF"><font size='-2'>
+<input type="submit" value="$lt{'sp'}" />
+</font></td>
+ENDPARMS
+    }
+    $line.="</form></tr>";
+    return $line;
+}
+
+# ---------------------------------------------------------------- tie the hash
+
+sub tiehash {
+    my ($mode)=@_;
+    $hashtied=0;
+    if ($ENV{'request.course.fn'}) {
+	if ($mode eq 'write') {
+	    if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.".db",
+		    &GDBM_WRCREAT(),0640)) {
+                $hashtied=2;
+	    }
+	} else {
+	    if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.".db",
+		    &GDBM_READER(),0640)) {
+                $hashtied=1;
+	    }
+	}
+    }    
+}
+
+sub untiehash {
+    if ($hashtied) { untie %hash; }
+    $hashtied=0;
+}
+
+# --------------------------------------------------------------- check on this
+
+sub checkonthis {
+    my ($r,$url,$level,$title)=@_;
+    $url=&Apache::lonnet::unescape($url);
+    $alreadyseen{$url}=1;
+    $r->rflush();
+    if (($url) && ($url!~/^\/uploaded\//) && ($url!~/\*$/)) {
+       $r->print("\n<br />");
+       for (my $i=0;$i<=$level*5;$i++) {
+           $r->print('&nbsp;');
+       }
+       $r->print('<a href="'.$url.'" target="cat">'.
+		 ($title?$title:$url).'</a> ');
+       if ($url=~/^\/res\//) {
+	  my $result=&Apache::lonnet::repcopy(
+                              &Apache::lonnet::filelocation('',$url));
+          if ($result==OK) {
+             $r->print('<font color="green">'.&mt('ok').'</font>');
+             $r->rflush();
+             &Apache::lonnet::countacc($url);
+             $url=~/\.(\w+)$/;
+             if (&Apache::loncommon::fileembstyle($1) eq 'ssi') {
+		 $r->print('<br />');
+                 $r->rflush();
+                 for (my $i=0;$i<=$level*5;$i++) {
+                     $r->print('&nbsp;');
+                 }
+                 $r->print('- '.&mt('Rendering').': ');
+                 my $oldpath=$ENV{'request.filename'};
+                 $ENV{'request.filename'}=&Apache::lonnet::filelocation('',$url);
+                 &Apache::lonxml::xmlparse($r,'web',
+                   &Apache::lonnet::getfile(
+                    &Apache::lonnet::filelocation('',$url)));
+		 undef($Apache::lonhomework::parsing_a_problem);
+		 $ENV{'request.filename'}=$oldpath;
+                 if (($Apache::lonxml::errorcount) ||
+                     ($Apache::lonxml::warningcount)) {
+		     if ($Apache::lonxml::errorcount) {
+                        $r->print('<img src="/adm/lonMisc/bomb.gif" /><font color="red"><b>'.
+			  $Apache::lonxml::errorcount.' '.
+				  &mt('error(s)').'</b></font> ');
+                     }
+		     if ($Apache::lonxml::warningcount) {
+                        $r->print('<font color="blue">'.
+			  $Apache::lonxml::warningcount.' '.
+				  &mt('warning(s)').'</font>');
+                     }
+                 } else {
+                     $r->print('<font color="green">'.&mt('ok').'</font>');
+                 }
+                 $r->rflush();
+             }
+	     my $dependencies=
+                &Apache::lonnet::metadata($url,'dependencies');
+             foreach (split(/\,/,$dependencies)) {
+		 if (($_=~/^\/res\//) && (!$alreadyseen{$_})) {
+                    &checkonthis($r,$_,$level+1);
+                 }
+             }
+          } elsif ($result==HTTP_SERVICE_UNAVAILABLE) {
+             $r->print('<font color="red"><b>'.&mt('connection down').'</b></font>');
+          } elsif ($result==HTTP_NOT_FOUND) {
+	      unless ($url=~/\$/) {
+		  $r->print('<font color="red"><b>'.&mt('not found').'</b></font>');
+	      } else {
+		  $r->print('<font color="yellow"><b>'.&mt('unable to verify variable URL').'</b></font>');
+	      }
+          } else {
+             $r->print('<font color="red"><b>'.&mt('access denied').'</b></font>');
+          }
+      }
+   }
+}
+
+
+#
+# -------------------------------------------------------------- Verify Content
+# 
+sub verifycontent {
+   my $r=shift; 
+   my $loaderror=&Apache::lonnet::overloaderror($r);
+   if ($loaderror) { return $loaderror; }
+
+   $r->print('<html><head><title>Verify Content</title></head>'.
+              &Apache::loncommon::bodytag('Verify Course Documents'));
+   $hashtied=0;
+   undef %alreadyseen;
+   %alreadyseen=();
+   &tiehash();
+   foreach (keys %hash) {
+       if ($hash{$_}=~/\.(page|sequence)$/) {
+	   if (($_=~/^src_/) && ($alreadyseen{&Apache::lonnet::unescape($hash{$_})})) {
+	       $r->print('<hr /><font color="red">'.
+			 &mt('The following sequence or page is included more than once in your course: ').
+			 &Apache::lonnet::unescape($hash{$_}).'</font><br />'.
+			 &mt('Note that grading records for problems included in this sequence or folder will overlap.<hr />'));
+	   }
+       }
+       if (($_=~/^src\_(.+)$/) && (!$alreadyseen{&Apache::lonnet::unescape($hash{$_})})) {
+           &checkonthis($r,$hash{$_},0,$hash{'title_'.$1});
+       }
+   }
+   &untiehash();
+   $r->print('<h1>'.&mt('Done').'.</h1>'.'<a href="/adm/coursedocs">'.
+	     &mt('Return to DOCS').'</a>');
+}
+
+# -------------------------------------------------------------- Check Versions
+
+sub checkversions {
+    my $r=shift;
+    $r->print('<html><head><title>Check Versions</title></head>'.
+              &Apache::loncommon::bodytag('Check Course Document Versions'));
+    my $header='';
+    my $startsel='';
+    my $monthsel='';
+    my $weeksel='';
+    my $daysel='';
+    my $allsel='';
+    my %changes=();
+    my $starttime=0;
+    my $haschanged=0;
+    my %setversions=&Apache::lonnet::dump('resourceversions',
+			  $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+			  $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
+
+    $hashtied=0;
+    &tiehash();
+    my %newsetversions=();
+    if ($ENV{'form.setmostrecent'}) {
+	$haschanged=1;
+	foreach (keys %hash) {
+	    if ($_=~/^ids\_(\/res\/.+)$/) {
+		$newsetversions{$1}='mostrecent';
+	    }
+	}
+    } elsif ($ENV{'form.setcurrent'}) {
+	$haschanged=1;
+	foreach (keys %hash) {
+	    if ($_=~/^ids\_(\/res\/.+)$/) {
+		my $getvers=&Apache::lonnet::getversion($1);
+		if ($getvers>0) {
+		    $newsetversions{$1}=$getvers;
+		}
+	    }
+	}
+    } elsif ($ENV{'form.setversions'}) {
+	$haschanged=1;
+	foreach (keys %ENV) {
+	    if ($_=~/^form\.set_version_(.+)$/) {
+		my $src=$1;
+		if (($ENV{$_}) && ($ENV{$_} ne $setversions{$src})) {
+		    $newsetversions{$src}=$ENV{$_};
+		}
+	    }
+	}
+    }
+    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('<h1>'.&mt('Your Version Settings have been Stored').'</h1>');
+	} else {
+	    $r->print('<h1><font color="red">'.&mt('An Error Occured while Attempting to Store your Version Settings').'</font></h1>');
+	}
+	&mark_hash_old();
+    }
+    &changewarning($r,'');
+    if ($ENV{'form.timerange'} eq 'all') {
+# show all documents
+	$header=&mt('All Documents in Course');
+	$allsel=1;
+	foreach (keys %hash) {
+	    if ($_=~/^ids\_(\/res\/.+)$/) {
+		my $src=$1;
+		$changes{$src}=1;
+	    }
+	}
+    } else {
+# show documents which changed
+	%changes=&Apache::lonnet::dump
+	 ('versionupdate',$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+                     $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
+	my $firstkey=(keys %changes)[0];
+	unless ($firstkey=~/^error\:/) {
+	    unless ($ENV{'form.timerange'}) {
+		$ENV{'form.timerange'}=604800;
+	    }
+	    my $seltext=&mt('during the last').' '.$ENV{'form.timerange'}.' '
+		.&mt('seconds');
+	    if ($ENV{'form.timerange'}==-1) {
+		$seltext='since start of course';
+		$startsel='selected';
+		$ENV{'form.timerange'}=time;
+	    }
+	    $starttime=time-$ENV{'form.timerange'};
+	    if ($ENV{'form.timerange'}==2592000) {
+		$seltext=&mt('during the last month').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
+		$monthsel='selected';
+	    } elsif ($ENV{'form.timerange'}==604800) {
+		$seltext=&mt('during the last week').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
+		$weeksel='selected';
+	    } elsif ($ENV{'form.timerange'}==86400) {
+		$seltext=&mt('since yesterday').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
+		$daysel='selected';
+	    }
+	    $header=&mt('Content changed').' '.$seltext;
+	} else {
+	    $header=&mt('No content modifications yet.');
+	}
+    }
+    %setversions=&Apache::lonnet::dump('resourceversions',
+			  $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+			  $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
+    my %lt=&Apache::lonlocal::texthash
+	      ('st' => 'Version changes since start of Course',
+	       'lm' => 'Version changes since last Month',
+	       'lw' => 'Version changes since last Week',
+	       'sy' => 'Version changes since Yesterday',
+               'al' => 'All Resources (possibly large output)',
+	       'sd' => 'Display',
+	       'fi' => 'File',
+	       'md' => 'Modification Date',
+               'mr' => 'Most recently published Version',
+	       've' => 'Version used in Course',
+               'vu' => 'Set Version to be used in Course',
+'sv' => 'Set Versions to be used in Course according to Selections below',
+'sm' => 'Keep all Resources up-to-date with most recent Versions (default)',
+'sc' => 'Set all Resource Versions to current Version (Fix Versions)',
+	       'di' => 'Differences');
+    $r->print(<<ENDHEADERS);
+<form action="/adm/coursedocs" method="post">
+<input type="hidden" name="versions" value="1" />
+<input type="submit" name="setmostrecent" value="$lt{'sm'}" />
+<input type="submit" name="setcurrent" value="$lt{'sc'}" /><hr />
+<select name="timerange">
+<option value='all' $allsel>$lt{'al'}</option>
+<option value="-1" $startsel>$lt{'st'}</option>
+<option value="2592000" $monthsel>$lt{'lm'}</option>
+<option value="604800" $weeksel>$lt{'lw'}</option>
+<option value="86400" $daysel>$lt{'sy'}</option>
+</select>
+<input type="submit" name="display" value="$lt{'sd'}" />
+<h3>$header</h3>
+<input type="submit" name="setversions" value="$lt{'sv'}" />
+<table border="0">
+ENDHEADERS
+    foreach (sort keys %changes) {
+	if ($changes{$_}>$starttime) {
+	    my ($root,$extension)=($_=~/^(.*)\.(\w+)$/);
+	    my $currentversion=&Apache::lonnet::getversion($_);
+	    if ($currentversion<0) {
+		$currentversion=&mt('Could not be determined.');
+	    }
+	    my $linkurl=&Apache::lonnet::clutter($_);
+	    $r->print(
+		      '<tr><td colspan="5"><br /><br /><font size="+1"><b>'.
+		      &Apache::lonnet::gettitle($linkurl).
+                      '</b></font></td></tr>'.
+                      '<tr><td>&nbsp;&nbsp;&nbsp;</td>'.
+                      '<td colspan="4">'.
+                      '<a href="'.$linkurl.'" target="cat">'.$linkurl.
+		      '</a></td></tr>'.
+                      '<tr><td></td>'.
+                      '<td title="'.$lt{'md'}.'">'.
+		      &Apache::lonlocal::locallocaltime(
+                           &Apache::lonnet::metadata($root.'.'.$extension,
+                                                     'lastrevisiondate')
+                                                        ).
+                      '</td>'.
+                      '<td title="'.$lt{'mr'}.'"><nobr>Most Recent: '.
+                      '<font size="+1">'.$currentversion.'</font>'.
+                      '</nobr></td>'.
+                      '<td title="'.$lt{'ve'}.'"><nobr>In Course: '.
+                      '<font size="+1">');
+# Used in course
+	    my $usedversion=$hash{'version_'.$linkurl};
+	    if (($usedversion) && ($usedversion ne 'mostrecent')) {
+		$r->print($usedversion);
+	    } else {
+		$r->print($currentversion);
+	    }
+	    $r->print('</font></nobr></td><td title="'.$lt{'vu'}.'">'.
+                      '<nobr>Use: ');
+# Set version
+	    $r->print(&Apache::loncommon::select_form($setversions{$linkurl},
+						      'set_version_'.$linkurl,
+						      ('select_form_order' =>
+						       ['',1..$currentversion,'mostrecent'],
+						       '' => '',
+						       'mostrecent' => 'most recent',
+						       map {$_,$_} (1..$currentversion))));
+	    $r->print('</nobr></td></tr><tr><td></td>');
+	    my $lastold=1;
+	    for (my $prevvers=1;$prevvers<$currentversion;$prevvers++) {
+		my $url=$root.'.'.$prevvers.'.'.$extension;
+		if (&Apache::lonnet::metadata($url,'lastrevisiondate')<
+		    $starttime) {
+		    $lastold=$prevvers;
+		}
+	    }
+            # 
+            # Code to figure out how many version entries should go in
+            # each of the four columns
+            my $entries_per_col = 0;
+            my $num_entries = ($currentversion-$lastold);
+            if ($num_entries % 4 == 0) {
+                $entries_per_col = $num_entries/4;
+            } else {
+                $entries_per_col = $num_entries/4 + 1;
+            }
+            my $entries_count = 0;
+            $r->print('<td valign="top"><font size="-2">'); 
+            my $cols_output = 1;
+            for (my $prevvers=$lastold;$prevvers<$currentversion;$prevvers++) {
+		my $url=$root.'.'.$prevvers.'.'.$extension;
+		$r->print('<nobr><a href="'.&Apache::lonnet::clutter($url).
+			  '">'.&mt('Version').' '.$prevvers.'</a> ('.
+			  &Apache::lonlocal::locallocaltime(
+                                &Apache::lonnet::metadata($url,
+                                                          'lastrevisiondate')
+                                                            ).
+			  ')');
+		if (&Apache::loncommon::fileembstyle($extension) eq 'ssi') {
+                    $r->print(' <a href="/adm/diff?filename='.
+			      &Apache::lonnet::clutter($root.'.'.$extension).
+			      '&versionone='.$prevvers.
+			      '">'.&mt('Diffs').'</a>');
+		}
+		$r->print('</nobr><br />');
+                if (++$entries_count % $entries_per_col == 0) {
+                    $r->print('</font></td>');
+                    if ($cols_output != 4) {
+                        $r->print('<td valign="top"><font size="-2">');
+                        $cols_output++;
+                    }
+                }
+	    }
+            while($cols_output++ < 4) {
+                $r->print('</font></td><td><font>')
+            }
+	    $r->print('</font></td></tr>'."\n");
+	}
+    }
+    $r->print('</table></form>');
+    $r->print('<h1>'.&mt('Done').'.</h1>');
+
+    &untiehash();
+}
+
+sub mark_hash_old {
+    my $retie_hash=0;
+    if ($hashtied) {
+	$retie_hash=1;
+	&untiehash();
+    }
+    &tiehash('write');
+    $hash{'old'}=1;
+    &untiehash();
+    if ($retie_hash) { &tiehash(); }
+}
+
+sub is_hash_old {
+    my $untie_hash=0;
+    if (!$hashtied) {
+	$untie_hash=1;
+	&tiehash();
+    }
+    my $return=$hash{'old'};
+    if ($untie_hash) { &untiehash(); }
+    return $return;
+}
+
+sub changewarning {
+    my ($r,$postexec)=@_;
+    if (!&is_hash_old()) { return; }
+    my $pathvar='folderpath';
+    my $path=&Apache::lonnet::escape($ENV{'form.folderpath'});
+    if (defined($ENV{'form.pagepath'})) {
+	$pathvar='pagepath';
+	$path=&Apache::lonnet::escape($ENV{'form.pagepath'});
+    }
+    $r->print(
+'<script>function reinit(tf) { tf.submit();'.$postexec.' }</script>'. 
+'<form method="post" action="/adm/roles" target="loncapaclient">'.
+'<input type="hidden" name="orgurl" value="/adm/coursedocs?'.
+$pathvar.'='.$path.
+'" /><input type="hidden" name="selectrole" value="1" /><h3><font color="red">'.
+&mt('Changes will become active for your current session after').
+' <input type="hidden" name="'.
+$ENV{'request.role'}.'" value="1" /><input type="button" value="'.
+&mt('re-initializing course').'" onClick="reinit(this.form)"/>'.&mt(', or the next time you log in.').
+$help{'Caching'}.'</font></h3></form>');
+}
+
+# ================================================================ Main Handler
 sub handler {
     my $r = shift;
-    $r->content_type('text/html');
+    &Apache::loncommon::content_type($r,'text/html');
     $r->send_http_header;
     return OK if $r->header_only;
 
-    my $url;
+# --------------------------------------------- Initialize help topics for this
+  foreach ('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','Uploading_From_Harddrive',
+	   'Check_Resource_Versions','Verify_Content') {
+      $help{$_}=&Apache::loncommon::help_open_topic('Docs_'.$_);
+  }
+    # Composite help files
+    $help{'Syllabus'} = &Apache::loncommon::help_open_topic(
+		    'Docs_About_Syllabus,Docs_Editing_Templated_Pages');
+    $help{'Simple Page'} = &Apache::loncommon::help_open_topic(
+		    'Docs_About_Simple_Page,Docs_Editing_Templated_Pages');
+    $help{'Simple Problem'} = &Apache::loncommon::help_open_topic(
+		    'Option_Response_Simple');
+    $help{'Bulletin Board'} = &Apache::loncommon::help_open_topic(
+		    'Docs_About_Bulletin_Board,Docs_Editing_Templated_Pages');
+    $help{'My Personal Info'} = &Apache::loncommon::help_open_topic(
+		  'Docs_About_My_Personal_Info,Docs_Editing_Templated_Pages');
+    $help{'Caching'} = &Apache::loncommon::help_open_topic('Caching');
+
+  if ($ENV{'form.verify'}) {
+      &verifycontent($r);
+  } elsif ($ENV{'form.versions'}) {
+      &checkversions($r);
+  } elsif ($ENV{'form.dumpcourse'}) {
+      &dumpcourse($r);
+  } elsif ($ENV{'form.exportcourse'}) {
+      &exportcourse($r);
+  } else {
+# is this a standard course?
 
-    if ($ENV{'form.uploaddoc.filename'}) {
-	$url=&Apache::lonnet::userfileupload('uploaddoc');
+    my $standard=($ENV{'request.course.uri'}=~/^\/uploaded\//);
+    my $forcestandard;
+    my $forcesupplement;
+    my $script='';
+    my $allowed;
+    my $events='';
+    my $showdoc=0;
+    my $containertag;
+    my $uploadtag;
+    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+					    ['folderpath','pagepath','pagesymb']);
+    if ($ENV{'form.folderpath'}) {
+	my (@folderpath)=split('&',$ENV{'form.folderpath'});
+	$ENV{'form.foldername'}=&Apache::lonnet::unescape(pop(@folderpath));
+	$ENV{'form.folder'}=pop(@folderpath);
     }
+    if ($ENV{'form.pagepath'}) {
+        my (@pagepath)=split('&',$ENV{'form.pagepath'});
+        $ENV{'form.pagename'}=&Apache::lonnet::unescape(pop(@pagepath));
+        $ENV{'form.folder'}=pop(@pagepath);
+        $containertag = '<input type="hidden" name="pagepath" value="" />';
+        $uploadtag = '<input type="hidden" name="pagepath" value="'.$ENV{'form.pagepath'}.'" />';
+    }
+    if ($r->uri=~/^\/adm\/coursedocs\/showdoc\/(.*)$/) {
+       $showdoc='/'.$1;
+    }
+    unless ($showdoc) { # got called from remote
+       $forcestandard=($ENV{'form.folder'}=~/^default_/);
+       $forcesupplement=($ENV{'form.folder'}=~/^supplemental_/);
+
+# does this user have privileges to post, etc?
+       $allowed=&Apache::lonnet::allowed('mdc',$ENV{'request.course.id'});
+       if ($allowed) { 
+         &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['cmd']);
+         $script=&Apache::lonratedt::editscript('simple'); 
+       }
+    } else { # got called in sequence from course
+       $allowed=0;
+       $script='</script>'.&Apache::lonmenu::registerurl(1,undef).'<script>';
+       $events='onLoad="'.&Apache::lonmenu::loadevents.
+           '" onUnload="'.&Apache::lonmenu::unloadevents.'"';
+    }
+
+# get course data
+    my $coursenum=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
+    my $coursedom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
+
+# get personal data
+ 
+    my $uname=$ENV{'user.name'};
+    my $udom=$ENV{'user.domain'};
+    my $plainname=&Apache::lonnet::escape(
+                     &Apache::loncommon::plainname($uname,$udom));
+
+# graphics settings
+
+    $iconpath = $r->dir_config('lonIconsURL') . "/";
+
+    my $now=time;
+
+# print screen
     $r->print(<<ENDDOCUMENT);
 <html>
 <head>
 <title>The LearningOnline Network with CAPA</title>
-</head>
-<body bgcolor="#FFFFFF">
-<h1>Course Documents</h1>
-<form method="post" enctype="multipart/form-data">
-<input type="file" name="uploaddoc" size="20">
-<input type="submit" value="Upload Document">
-</form>
-$url
-</body>
-</html>
+<script>
+$script
+</script>
 ENDDOCUMENT
-    return OK;
+   if ($allowed) {
+    $r->print(<<ENDNEWSCRIPT);
+<script>
+function makenewfolder(targetform,folderseq) {
+    var foldername=prompt('Name of New Folder','New Folder');
+    if (foldername) {
+	targetform.importdetail.value=foldername+"="+folderseq;
+        targetform.submit();
+    }
+}
+
+function makenewpage(targetform,folderseq) {
+    var pagename=prompt('Name of New Page','New Page');
+    if (pagename) {
+        targetform.importdetail.value=pagename+"="+folderseq;
+        targetform.submit();
+    }
+}
+
+function makenewext(targetname) {
+    this.document.forms.extimport.useform.value=targetname;
+    window.open('/adm/rat/extpickframe.html');
+}
+
+function makeexamupload() {
+   var title=prompt('Listed Title for the Uploaded Score');
+   if (title) { 
+    this.document.forms.newexamupload.importdetail.value=
+	title+'=/res/lib/templates/examupload.problem';
+    this.document.forms.newexamupload.submit();
+   }
+}
+
+function makesmppage() {
+   var title=prompt('Listed Title for the Page');
+   if (title) { 
+    this.document.forms.newsmppg.importdetail.value=
+	title+'=/adm/$udom/$uname/$now/smppg';
+    this.document.forms.newsmppg.submit();
+   }
+}
+
+function makesmpproblem() {
+   var title=prompt('Listed Title for the Problem');
+   if (title) { 
+    this.document.forms.newsmpproblem.importdetail.value=
+	title+'=/res/lib/templates/simpleproblem.problem';
+    this.document.forms.newsmpproblem.submit();
+   }
+}
+
+function makebulboard() {
+   var title=prompt('Listed Title for the Bulletin Board');
+   if (title) {
+    this.document.forms.newbul.importdetail.value=
+	title+'=/adm/$udom/$uname/$now/bulletinboard';
+    this.document.forms.newbul.submit();
+   }
+}
+
+function makeabout() {
+   var user=prompt("Enter user\@domain for User's 'About Me' Page");
+   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=
+		   'About '+user+'=/adm/'+comp[1]+'/'+comp[0]+'/aboutme';
+	       this.document.forms.newaboutsomeone.submit();
+	   }
+       }
+   }
+}
+
+function makeims() {
+    var caller = document.forms.ims.folder.value
+    var newlocation = "/adm/imsimportdocs?folder="+caller+"&phase=one"
+    newWindow = window.open("","IMSimport","HEIGHT=700,WIDTH=750,scrollbars=yes")
+    newWindow.location.href = newlocation
+}
+
+
+function finishpick() {
+    var title=this.document.forms.extimport.title.value;
+    var url=this.document.forms.extimport.url.value;
+    var form=this.document.forms.extimport.useform.value;
+    eval
+     ('this.document.forms.'+form+'.importdetail.value="'+title+'='+url+
+    '";this.document.forms.'+form+'.submit();');
+}
+
+function changename(folderpath,index,oldtitle,container) {
+    var title=prompt('New Title',oldtitle);
+    if (title) {
+	this.document.forms.renameform.title.value=title;
+	this.document.forms.renameform.cmd.value='rename_'+index;
+        if (container == 'sequence') {
+	    this.document.forms.renameform.folderpath.value=folderpath;
+        }
+        if (container == 'page') {
+            this.document.forms.renameform.pagepath.value=folderpath;
+        }
+        this.document.forms.renameform.submit();
+    }
+}
+
+function removeres(folderpath,index,oldtitle,container) {
+    if (confirm('Remove "'+oldtitle+'"?')) {
+	this.document.forms.renameform.cmd.value='del_'+index;
+        if (container == 'sequence') {
+            this.document.forms.renameform.folderpath.value=folderpath;
+        }
+        if (container == 'page') {
+            this.document.forms.renameform.pagepath.value=folderpath;
+        }
+        this.document.forms.renameform.submit();
+    }
+}
+
+</script>
+
+ENDNEWSCRIPT
+  }
+# -------------------------------------------------------------------- Body tag
+  $r->print('</head>'.
+            &Apache::loncommon::bodytag('Course Documents','',$events,
+					'','',$showdoc).
+	    &Apache::loncommon::help_open_menu('','','','',273,'RAT'));
+  unless ($showdoc) {
+# -----------------------------------------------------------------------------
+       my %lt=&Apache::lonlocal::texthash(
+                'uplm' => 'Upload a new main course document',
+                'upls' => 'Upload a new supplemental course document',
+                'impp' => 'Import a published document',
+                'spec' => 'Special documents',
+                'upld' => 'Upload Document',
+                'srch' => 'Search',
+                'impo' => 'Import',
+                'selm' => 'Select Map',
+                'load' => 'Load Map',
+                'newf' => 'New Folder',
+                'newp' => 'New Composite Page',
+                'extr' => 'External Resource',
+                'syll' => 'Syllabus',
+                'navc' => 'Navigate Contents',
+                'sipa' => 'Simple Page',
+                'sipr' => 'Simple Problem',
+                'scuf' => 'Score Upload Form',
+                'bull' => 'Bulletin Board',
+                'mypi' => 'My Personal Info',
+		'abou' => 'About User',
+                'imsf' => 'Import IMS package',
+                'file' =>  'File',
+                'title' => 'Title',
+                'comment' => 'Comment' 
+					  );
+# -----------------------------------------------------------------------------
+    if ($allowed) {
+       my $dumpbut=&dumpbutton();
+       my $exportbut=&exportbutton();
+       my %lt=&Apache::lonlocal::texthash(
+					 'vc' => 'Verify Content',
+					 'cv' => 'Check/Set Resource Versions',
+					  );
+
+       my $folderpath=$ENV{'form.folderpath'};
+       if (!$folderpath) {
+	   if ($ENV{'form.folder'} eq '' ||
+	       $ENV{'form.folder'} eq 'supplemental') {
+	       $folderpath='default&'.
+		   &Apache::lonnet::escape(&mt('Main Course Documents'));
+	   }
+       }
+       unless ($ENV{'form.pagepath'}) {
+           $containertag = '<input type="hidden" name="folderpath" value="" />';
+           $uploadtag = '<input type="hidden" name="folderpath" value="'.$folderpath.'" />';
+       }
+
+       $r->print(<<ENDCOURSEVERIFY);
+<form name="renameform" method="post" action="/adm/coursedocs">
+<input type="hidden" name="title" />
+<input type="hidden" name="cmd" />
+$containertag
+</form>
+<form name="simpleedit" method="post" action="/adm/coursedocs">
+<input type=hidden name="importdetail" value="">
+$uploadtag
+</form>
+<form action="/adm/coursedocs" method="post" name="courseverify">
+<table bgcolor="#AAAAAA" width="100%" cellspacing="4" cellpadding="4">
+<tr><td bgcolor="#DDDDCC">
+<input type="submit" name="verify" value="$lt{'vc'}" />$help{'Verify_Content'}
+</td><td bgcolor="#DDDDCC">
+    <input type="submit" name="versions" value="$lt{'cv'}" />$help{'Check_Resource_Versions'}
+$dumpbut
+$exportbut
+</td></tr></table>
+</form>
+ENDCOURSEVERIFY
+       $r->print(&Apache::loncommon::help_open_topic('Docs_Adding_Course_Doc',
+		     &mt('Editing the Table of Contents for your Course')));
+    }
+# --------------------------------------------------------- Standard documents
+    $r->print('<table border=2 cellspacing=4 cellpadding=4>');
+    if (($standard) && ($allowed) && (!$forcesupplement)) {
+	$r->print('<tr><td bgcolor="#BBBBBB">');
+#  '<h2>'.&mt('Main Course Documents').
+#  ($allowed?' '.$help{'Main_Course_Documents'}:'').'</h2>');
+       my $folder=$ENV{'form.folder'};
+       if ($folder eq '' || $folder eq 'supplemental') {
+           $folder='default';
+	   $ENV{'form.folderpath'}='default&'.&Apache::lonnet::escape(&mt('Main Course Documents'));
+       }
+       my $postexec='';
+       if ($folder eq 'default') {
+	   $r->print('<script>this.window.name="loncapaclient";</script>');
+       } else {
+           #$postexec='self.close();';
+       }
+       $hadchanges=0;
+       &editor($r,$coursenum,$coursedom,$folder,$allowed);
+       if ($hadchanges) {
+	   &mark_hash_old()
+       }
+       &changewarning($r,$postexec);
+       my $folderseq='/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.
+                     '.sequence';
+       my $pageseq = '/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.
+                     '.page';
+
+       $r->print(<<ENDFORM);
+<table cellspacing=4 cellpadding=4><tr>
+<th bgcolor="#DDDDDD">$lt{'uplm'}</th>
+<th bgcolor="#DDDDDD">$lt{'impp'}</th>
+<th bgcolor="#DDDDDD">$lt{'spec'}</th>
+</tr>
+<tr><td bgcolor="#DDDDDD">
+$lt{'file'}:<br />
+<form action="/adm/coursedocs" method="post" enctype="multipart/form-data">
+<input type="file" name="uploaddoc" size="40">
+<br />
+$lt{'title'}:<br />
+<input type="text" size="50" name="comment">
+$uploadtag
+<input type="hidden" name="cmd" value="upload_default">
+<nobr>
+<input type="submit" value="$lt{'upld'}">
+ $help{'Uploading_From_Harddrive'}
+</nobr>
+</form>
+</td>
+<td bgcolor="#DDDDDD">
+<form action="/adm/coursedocs" method="post" name="simpleeditdefault">
+$uploadtag
+<input type=button onClick="javascript:groupsearch()" value="$lt{'srch'}">
+<nobr>
+<input type=button onClick="javascript:groupimport();" value="$lt{'impo'}">
+$help{'Importing_LON-CAPA_Resource'}
+</nobr>
+<p>
+<hr />
+<input type="text" size="20" name="importmap"><br />
+<nobr><input type=button 
+onClick="javascript:openbrowser('simpleeditdefault','importmap','sequence,page','')"
+value="$lt{'selm'}"> <input type="submit" name="loadmap" value="$lt{'load'}">
+$help{'Load_Map'}</nobr>
+</p>
+</form>
+</td>
+<td bgcolor="#DDDDDD">
+ENDFORM
+       unless ($ENV{'form.pagepath'}) {
+           $r->print(<<ENDFORM);
+<form action="/adm/coursedocs" method="post" name="newfolder">
+<input type="hidden" name="folderpath" value="$ENV{'form.folderpath'}" />
+<input type=hidden name="importdetail" value="">
+<nobr>
+<input name="newfolder" type="button"
+onClick="javascript:makenewfolder(this.form,'$folderseq');"
+value="$lt{'newf'}" />$help{'Adding_Folders'}
+</nobr>
+</form>
+<form action="/adm/coursedocs" method="post" name="newpage">
+<input type="hidden" name="folderpath" value="$ENV{'form.folderpath'}" />
+<input type=hidden name="importdetail" value="">
+<nobr>
+<input name="newpage" type="button"
+onClick="javascript:makenewpage(this.form,'$pageseq');"
+value="$lt{'newp'}" />$help{'Adding_Pages'}
+</nobr>
+</form>
+<form action="/adm/coursedocs" method="post" name="newext">
+$uploadtag
+<input type=hidden name="importdetail" value="">
+<nobr>
+<input name="newext" type="button" onClick="javascript:makenewext('newext');"
+value="$lt{'extr'}" /> $help{'Adding_External_Resource'}
+</nobr>
+</form>
+<form action="/adm/coursedocs" method="post" name="newsyl">
+$uploadtag
+<input type=hidden name="importdetail" 
+value="Syllabus=/public/$coursedom/$coursenum/syllabus">
+<nobr>
+<input name="newsyl" type="submit" value="$lt{'syll'}" /> 
+ $help{'Syllabus'}
+</nobr>
+</form>
+<form action="/adm/coursedocs" method="post" name="newnav">
+$uploadtag
+<input type=hidden name="importdetail" 
+value="Navigate Content=/adm/navmaps">
+<nobr>
+<input name="newnav" type="submit" value="$lt{'navc'}" />
+$help{'Navigate_Content'}
+</nobr>
+</form>
+<form action="/adm/coursedocs" method="post" name="newsmppg">
+$uploadtag
+<input type=hidden name="importdetail" value="">
+<nobr>
+<input name="newsmppg" type="button" value="$lt{'sipa'}"
+onClick="javascript:makesmppage();" /> $help{'Simple Page'}
+</nobr>
+</form>
+<form action="/adm/coursedocs" method="post" name="newsmpproblem">
+$uploadtag
+<input type=hidden name="importdetail" value="">
+<nobr>
+<input name="newsmpproblem" type="button" value="$lt{'sipr'}"
+onClick="javascript:makesmpproblem();" />$help{'Simple Problem'}
+</nobr>
+</form>
+<form action="/adm/coursedocs" method="post" name="newexamupload">
+$uploadtag
+<input type=hidden name="importdetail" value="">
+<nobr>
+<input name="newexamupload" type="button" value="$lt{'scuf'}"
+onClick="javascript:makeexamupload();" />
+$help{'Score_Upload_Form'}
+</nobr>
+</form>
+<form action="/adm/coursedocs" method="post" name="newbul">
+$uploadtag
+<input type=hidden name="importdetail" value="">
+<nobr>
+<input name="newbulletin" type="button" value="$lt{'bull'}"
+onClick="javascript:makebulboard();" />
+$help{'Bulletin Board'}
+</nobr>
+</form>
+<form action="/adm/coursedocs" method="post" name="newaboutme">
+$uploadtag
+<input type=hidden name="importdetail" 
+value="$plainname=/adm/$udom/$uname/aboutme">
+<nobr>
+<input name="newaboutme" type="submit" value="$lt{'mypi'}" />
+$help{'My Personal Info'}
+</nobr>
+</form>
+<form action="/adm/coursedocs" method="post" name="newaboutsomeone">
+$uploadtag
+<input type=hidden name="importdetail" value="">
+<nobr>
+<input name="newaboutsomeone" type="button" value="$lt{'abou'}" 
+onClick="javascript:makeabout();" />
+</nobr>
+ENDFORM
+       }
+       if ($ENV{'form.pagepath'}) {
+           $r->print(<<ENDBLOCK);
+<form action="/adm/coursedocs" method="post" name="newsmpproblem">
+$uploadtag
+<input type=hidden name="importdetail" value="">
+<nobr>
+<input name="newsmpproblem" type="button" value="$lt{'sipr'}"
+onClick="javascript:makesmpproblem();" />$help{'Simple Problem'}
+</nobr>
+</form>
+<form action="/adm/coursedocs" method="post" name="newexamupload">
+$uploadtag
+<input type=hidden name="importdetail" value="">
+<nobr>
+<input name="newexamupload" type="button" value="$lt{'scuf'}"
+onClick="javascript:makeexamupload();" />
+$help{'Score_Upload_Form'}
+</nobr>
+</form>
+ENDBLOCK
+       } else {
+           $r->print(<<ENDFORM);
+</form>
+<form action="/adm/imsimportdocs" method="post" name="ims">
+<input type="hidden" name="folder" value="$folder" />
+<input name="imsimport" type="button" value="$lt{'imsf'}" onClick="javascript:makeims();" />
+</nobr>
+</form>
+ENDFORM
+       }
+       $r->print('</td></tr>'."\n".
+'</table>');
+       $r->print('</td></tr>');
+    }
+# ----------------------------------------------------- Supplemental documents
+    if (!$forcestandard) {
+       $r->print('<tr><td bgcolor="#BBBBBB">');
+# '<h2>'.&mt('Supplemental Course Documents').
+#  ($allowed?' '.$help{'Supplemental'}:'').'</h2>');
+       my $folder=$ENV{'form.folder'};
+       unless ($folder=~/^supplemental/) {
+	   $folder='supplemental';
+       }
+       if ($folder =~ /^supplemental$/ &&
+	   $ENV{'form.folderpath'} =~ /^default\&/) {
+	   $ENV{'form.folderpath'}='supplemental&'.
+	       &Apache::lonnet::escape(&mt('Supplemental Course Documents'));
+       }
+       &editor($r,$coursenum,$coursedom,$folder,$allowed);
+       if ($allowed) {
+       my $folderseq=
+                  '/uploaded/'.$coursedom.'/'.$coursenum.'/supplemental_'.time.
+                     '.sequence';
+
+          $r->print(<<ENDSUPFORM);
+<table cellspacing=4 cellpadding=4><tr>
+<th bgcolor="#DDDDDD">$lt{'upls'}</th>
+<th bgcolor="#DDDDDD">$lt{'spec'}</th>
+</tr>
+<tr><td bgcolor="#DDDDDD">
+<form action="/adm/coursedocs" method="post" enctype="multipart/form-data">
+<input type="file" name="uploaddoc" size="40">
+<br />$lt{'comment'}:<br />
+<textarea cols=50 rows=4 name='comment'>
+</textarea>
+<br />
+<input type="hidden" name="folderpath" value="$ENV{'form.folderpath'}" />
+<input type="hidden" name="cmd" value="upload_supplemental">
+<nobr>
+<input type="submit" value="$lt{'upld'}">
+ $help{'Uploading_From_Harddrive'}
+</nobr>
+</form>
+</td>
+<td bgcolor="#DDDDDD">
+<form action="/adm/coursedocs" method="post" name="supnewfolder">
+<input type="hidden" name="folderpath" value="$ENV{'form.folderpath'}" />
+<input type=hidden name="importdetail" value="">
+<nobr>
+<input name="newfolder" type="button"
+onClick="javascript:makenewfolder(this.form,'$folderseq');"
+value="$lt{'newf'}" /> $help{'Adding_Folders'}
+</nobr>
+</form>
+<form action="/adm/coursedocs" method="post" name="supnewext">
+<input type="hidden" name="folderpath" value="$ENV{'form.folderpath'}" />
+<input type=hidden name="importdetail" value="">
+<nobr>
+<input name="newext" type="button" 
+onClick="javascript:makenewext('supnewext');"
+value="$lt{'extr'}" /> $help{'Adding_External_Resource'}
+</nobr>
+</form>
+<form action="/adm/coursedocs" method="post" name="supnewsyl">
+<input type="hidden" name="folderpath" value="$ENV{'form.folderpath'}" />
+<input type=hidden name="importdetail" 
+value="Syllabus=/public/$coursedom/$coursenum/syllabus">
+<nobr>
+<input name="newsyl" type="submit" value="$lt{'syll'}" />
+$help{'Syllabus'}
+</nobr>
+</form>
+<form action="/adm/coursedocs" method="post" name="subnewaboutme">
+<input type="hidden" name="folderpath" value="$ENV{'form.folderpath'}" />
+<input type=hidden name="importdetail" 
+value="$plainname=/adm/$udom/$uname/aboutme">
+<nobr>
+<input name="newaboutme" type="submit" value="$lt{'mypi'}" />
+$help{'My Personal Info'}
+</nobr>
+</form>
+</td></tr>
+</table></td></tr>
+ENDSUPFORM
+       }
+    }
+    if ($allowed) {
+	$r->print('<form name="extimport"><input type="hidden" name="title"><input type="hidden" name="url"><input type="hidden" name="useform"></form>');
+    }
+    $r->print('</table>');
+  } else {
+# -------------------------------------------------------- This is showdoc mode
+      $r->print("<h1>".&mt('Uploaded Document').' - '.
+		&Apache::lonnet::gettitle($r->uri).'</h1><p>'.
+&mt('It is recommended that you use an up-to-date virus scanner before handling this file.')."</p><p><table>".
+         &entryline(0,&mt("Click to download or use your browser's Save Link function"),$showdoc).'</table></p>');
+  }
+ }
+ $r->print('</body></html>');
+ return OK;
 } 
 
 1;