--- loncom/interface/londocs.pm	2013/11/13 13:32:33	1.569
+++ loncom/interface/londocs.pm	2015/06/18 20:19:06	1.595
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Documents
 #
-# $Id: londocs.pm,v 1.569 2013/11/13 13:32:33 raeburn Exp $
+# $Id: londocs.pm,v 1.595 2015/06/18 20:19:06 musolffc Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -46,6 +46,7 @@ use Apache::lonsimplepage();
 use HTML::Entities;
 use HTML::TokeParser;
 use GDBM_File;
+use File::MMagic;
 use Apache::lonlocal;
 use Cwd;
 use LONCAPA qw(:DEFAULT :match);
@@ -301,14 +302,14 @@ ENDJS
                 if ($contents{content}) {
                     $content .= '
 <div class="LC_Box">
-<h4 class="LC_hcell">Content</h4>'.
+<h4 class="LC_hcell">'.&mt('Content').'</h4>'.
 $contents{content}.'
 </div>';
                 }
                 if ($contents{webreferences}) {
                     $content .= ' 
 <div class="LC_Box">
-<h4 class="LC_hcell">Web References</h4>'.
+<h4 class="LC_hcell">'.&mt('Web References').'</h4>'.
 $contents{webreferences}.'
 </div>';
                 }
@@ -976,7 +977,7 @@ sub docs_change_log {
 
 sub update_paste_buffer {
     my ($coursenum,$coursedom,$folder) = @_;
-    my (@possibles,%removals,%cuts);
+    my (@possibles,%removals,%cuts,$output);
     if ($env{'form.multiremove'}) {
         $env{'form.multiremove'} =~ s/,$//;
         map { $removals{$_} = 1; } split(/,/,$env{'form.multiremove'});
@@ -1044,10 +1045,12 @@ sub update_paste_buffer {
         next if (exists($pasteurls{$coursedom.'_'.$coursenum.'_'.$url}));
         my ($suffix,$errortxt,$locknotfreed) =
             &new_timebased_suffix($env{'user.domain'},$env{'user.name'},'paste');
-        push(@newpaste,$suffix);
-        if ($locknotfreed) {
-            return $locknotfreed;
-            last;
+        if ($suffix ne '') {
+            push(@newpaste,$suffix);
+        } else {
+            if ($locknotfreed) {
+                return $locknotfreed;
+            }
         }
         if (&is_supplemental_title($title)) {
             &Apache::lonnet::appenv({'docs.markedcopy_supplemental_'.$suffix => $title});
@@ -1081,12 +1084,17 @@ sub update_paste_buffer {
                 }
             }
         }
+        if ($locknotfreed) {
+            $output = $locknotfreed;
+            last;
+        }
     }
     if (@newpaste) {
         $addtoenv{'docs.markedcopies'} = join(',',(@currpaste,@newpaste));
     }
     &Apache::lonnet::appenv(\%addtoenv);
     delete($env{'form.markcopy'});
+    return $output;
 }
 
 sub recurse_uploaded_maps {
@@ -1124,6 +1132,7 @@ sub print_paste_buffer {
 
     my @currpaste = split(/,/,$env{'docs.markedcopies'});
     my ($pasteitems,@pasteable);
+    my $clipboardcount = 0;
 
 # Construct identifiers for current contents of user's paste buffer
     foreach my $suffix (@currpaste) {
@@ -1132,6 +1141,7 @@ sub print_paste_buffer {
         my $url = $env{'docs.markedcopy_url_'.$suffix};
         if (($cid =~ /^$match_domain\_$match_courseid$/) &&
             ($url ne '')) {
+            $clipboardcount ++;
             my ($is_external,$othercourse,$fromsupp,$is_uploaded_map,$parent,
                 $canpaste,$nopaste,$othercrs,$areachange);
             my $extension = (split(/\./,$env{'docs.markedcopy_url_'.$suffix}))[-1];
@@ -1187,10 +1197,14 @@ sub print_paste_buffer {
                     $icon = &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL'));
                     $icon .= '/navmap.folder.closed.gif';
                 }
+                my $title = $env{'docs.markedcopy_title_'.$suffix};
+                if ($title eq '') {
+                    ($title) = ($url =~ m{/([^/]+)$});
+                }
                 $buffer = '<img src="'.$icon.'" alt="" class="LC_icon" />'.
                           ': '.
                           &Apache::loncommon::parse_supplemental_title(
-                             &LONCAPA::map::qtescape($env{'docs.markedcopy_title_'.$suffix}));
+                             &LONCAPA::map::qtescape($title));
             }
             $pasteitems .= '<div class="LC_left_float">';
             my ($options,$onclick);
@@ -1225,11 +1239,23 @@ sub print_paste_buffer {
         $pasteitems .= '<div style="padding:0;clear:both;margin:0;border:0"></div>';
         $form_start = '<form name="pasteform" action="/adm/coursedocs" method="post" onsubmit="return validateClipboard();">';
         if (@pasteable) {
-            $buttons = '<input type="submit" name="pastemarked" value="'.&mt('Paste selected').'" />'.('&nbsp;'x2);
+            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);
         }
-        $buttons .= '<input type="submit" name="clearmarked" value="'.&mt('Clear selected').'" />'.
-                    '<input type="hidden" name="folderpath" value="'.&HTML::Entities::encode($env{'form.folderpath'},'<>&"').'" />';
-        $form_end = '</form>';
+        $buttons .= '<input type="submit" name="clearmarked" value="'.&mt('Remove from clipboard').'" />'.('&nbsp;'x2);
+        if ($clipboardcount > 1) {
+            $buttons .=
+                '<span style="text-decoration:line-through">'.('&nbsp;'x20).'</span>'.('&nbsp;'x2).
+                '<input type="button" name="checkallclip" value="'.&mt('Check all').'" style="height:20px;" onclick="checkClipboard();" />'.
+                ('&nbsp;'x2).
+                '<input type="button" name="uncheckallclip" value="'.&mt('Uncheck all').'" style="height:20px;" onclick="uncheckClipboard();" />'.
+                ('&nbsp;'x2);
+        }
+        $form_end = '<input type="hidden" name="folderpath" value="'.&HTML::Entities::encode($env{'form.folderpath'},'<>&"').'" />'.
+                    '</form>';
     } else {
         $pasteitems = &mt('Clipboard is empty');
     }
@@ -1327,29 +1353,34 @@ sub supp_pasteable {
 }
 
 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 ='';
         }
@@ -1378,11 +1409,29 @@ function validateClipboard() {
     if (numchk > 0) { 
         return true;
     } else {
-        alert("$lt{'none'}");
+        alert("$js_lt{'none'}");
         return false;
     }
 }
 
+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;
+}
+
+function uncheckClipboard() {
+    if (document.pasteform.pasting.length >1) {
+        for (var i=0; i<document.pasteform.pasting.length; i++) {
+            document.pasteform.pasting[i].checked = false;
+        }
+    }
+    return;
+}
+
 END
 
 }
@@ -2569,26 +2618,44 @@ 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) =@_;
     if ($env{'form.cmd'} eq '') {
@@ -2680,7 +2747,7 @@ sub editor {
 	&snapshotbefore();
 
 	if (&update_parameter()) {
-	    ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
+	    ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container,1);
 	    return $errtext if ($fatal);
 	}
 
@@ -2744,7 +2811,7 @@ sub editor {
 # Rename, cut, copy or remove a single resource
 	if (&handle_edit_cmd()) {
             my $contentchg;
-            if ($env{'form.cmd'} =~ m{^(del|cut)_}) {
+            if ($env{'form.cmd'} =~ m{^(remove|cut)_}) {
                 $contentchg = 1;
             }
 	    ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container,$contentchg);
@@ -2776,7 +2843,7 @@ sub editor {
                     my ($name,$url)=split(/\:/,$LONCAPA::map::resources[$res]);
                     $name=&LONCAPA::map::qtescape($name);
                     $url=&LONCAPA::map::qtescape($url);
-                    next unless ($name && $url);
+                    next unless $url;
                     my %denied =
                         &action_restrictions($coursenum,$coursedom,$url,
                                              $env{'form.folderpath'},\%curr_groups);
@@ -3141,13 +3208,16 @@ sub process_file_upload {
     my $quotatype = 'unofficial';
     if ($crstype eq 'Community') {
         $quotatype = 'community';    
-    } elsif ($env{'course.'.$coursedom.'_'.$coursenum.'.internal.instcode'}) {
+    } elsif ($env{'course.'.$coursedom.'_'.$coursenum.'.internal.coursecode'}) {
         $quotatype = 'official';
+    } elsif ($env{'course.'.$coursedom.'_'.$coursenum.'.internal.textbook'}) {
+        $quotatype = 'textbook';
     }
     if (&Apache::loncommon::get_user_quota($coursenum,$coursedom,'course',$quotatype)) {
         $filesize = int($filesize/1000); #expressed in kb
         $$upload_output = &Apache::loncommon::excess_filesize_warning($coursenum,$coursedom,'course',
-                                                                      $env{'form.uploaddoc.filename'},$filesize,'upload');
+                                                                      $env{'form.uploaddoc.filename'},$filesize,
+                                                                      'upload',$quotatype);
         return if ($$upload_output);
     }
     my ($parseaction,$showupload,$nextphase,$mimetype);
@@ -3245,7 +3315,8 @@ sub process_file_upload {
                     $$upload_output .= &mt('No embedded items identified').'<br />';
                 }
                 $$upload_output = '<div id="uploadfileresult">'.$$upload_output.'</div>';
-            } elsif (&Apache::loncommon::is_archive_file($mimetype)) {
+            } elsif ((&Apache::loncommon::is_archive_file($mimetype)) &&
+                     ($env{'form.uploaddoc.filename'} =~ /\.(zip|tar|bz2|gz|tar.gz|tar.bz2|tgz)$/i)) {
                 $nextphase = 'decompress_uploaded';
                 my $position = scalar(@LONCAPA::map::order)-1;
                 my $noextract = &return_to_editor();
@@ -3307,7 +3378,7 @@ sub is_supplemental_title {
 sub entryline {
     my ($index,$title,$url,$folder,$allowed,$residx,$coursenum,$coursedom,
         $crstype,$pathitem,$supplementalflag,$container,$filtersref,$currgroups)=@_;
-    my ($foldertitle,$renametitle);
+    my ($foldertitle,$renametitle,$oldtitle);
     if (&is_supplemental_title($title)) {
 	($title,$foldertitle,$renametitle) = &Apache::loncommon::parse_supplemental_title($title);
     } else {
@@ -3320,7 +3391,10 @@ sub entryline {
 
     $renametitle=~s/\\/\\\\/g;
     $renametitle=~s/\&quot\;/\\\"/g;
+    $renametitle=~s/"/%22/g;
     $renametitle=~s/ /%20/g;
+    $oldtitle = $renametitle;
+    $renametitle=~s/\&#39;/\\\'/g;
     my $line=&Apache::loncommon::start_data_table_row();
     my ($form_start,$form_end,$form_common,$form_param);
 # Edit commands
@@ -3470,7 +3544,7 @@ ENDREM
             }
         }
         $renamelink=(<<ENDREN);
-<a href='javascript:changename("$esc_path","$index","$renametitle");' class="LC_docs_rename">$lt{'rn'}</a>
+<a href='javascript:changename("$esc_path","$index","$oldtitle");' class="LC_docs_rename">$lt{'rn'}</a>
 ENDREN
 	$line.=(<<END);
 <td>
@@ -3785,6 +3859,7 @@ sub new_timebased_suffix {
     if ($type eq 'paste') {
         $prefix = $type;
         $namespace = 'courseeditor';
+        $idtype = 'addcode';
     } elsif ($type eq 'map') {
         $prefix = 'docs';
         if ($area eq 'supplemental') {
@@ -3796,9 +3871,8 @@ sub new_timebased_suffix {
         $prefix = $type;
         $namespace = 'templated';
     }
-    $idtype = 'concat';
     my ($suffix,$freedlock,$error) =
-        &Apache::lonnet::get_timebased_id($prefix,'num',$namespace,$dom,$num);
+        &Apache::lonnet::get_timebased_id($prefix,'num',$namespace,$dom,$num,$idtype);
     if (!$suffix) {
         if ($type eq 'paste') {
             $errtext = &mt('Failed to acquire a unique timestamp-based suffix when adding to the paste buffer.');
@@ -3818,9 +3892,19 @@ sub new_timebased_suffix {
             '<div class="LC_error">'.
             &mt('There was a problem removing a lockfile.').' ';
         if ($type eq 'paste') {
-            &mt('This will prevent use of the paste buffer until th next log-in.');
+            if ($freedlock eq 'nolock') {
+                $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 will be unavailable until your next log-in.');
+            } else { 
+                $locknotfreed .=
+                    &mt('This will prevent addition of items to the clipboard until your next log-in.');
+            }
         } elsif ($type eq 'map') {
-            &mt('This will prevent creation of additional folders or composite pages in this course.');
+            $locknotfreed .=
+                &mt('This will prevent creation of additional folders or composite pages in this course.');
         } elsif ($type eq 'smppg') {
             $locknotfreed .=
                 &mt('This will prevent creation of additional simple pages in this course.');
@@ -4033,8 +4117,8 @@ sub devalidateversioncache {
 sub checkversions {
     my ($r) = @_;
     my $crstype = &Apache::loncommon::course_type();
-    $r->print(&Apache::loncommon::start_page("Check $crstype Document Versions"));
-    $r->print(&Apache::lonhtmlcommon::breadcrumbs("Check $crstype Document Versions"));
+    $r->print(&Apache::loncommon::start_page("Check $crstype Resource Versions"));
+    $r->print(&Apache::lonhtmlcommon::breadcrumbs("Check $crstype Resource Versions"));
     $r->print(&startContentScreen('tools'));
 
     my $header='';
@@ -4190,10 +4274,30 @@ $lt{'sc'}: <input type="submit" name="se
 <br clear="all" />
 <hr />
 <h4>$lt{'vers'}</h4>
-<input type="submit" name="setversions" value="$lt{'save'}" />
 ENDHEADERS
     #number of columns for version history
+    my %changedbytime;
+    foreach my $key (keys(%changes)) {
+        #excludes not versionable problems from resource version history:
+        next if ($key =~ /^\/res\/lib\/templates/);
+        my $chg;
+        if ($env{'form.timerange'} eq 'all') {
+            my ($root,$extension)=($key=~/^(.*)\.(\w+)$/);
+            $chg = &Apache::lonnet::metadata($root.'.'.$extension,'lastrevisiondate');
+        } else {
+            $chg = $changes{$key};
+            next if ($chg < $starttime);
+        }
+        push(@{$changedbytime{$chg}},$key);
+    }
+    if (keys(%changedbytime) == 0) {
+        &untiehash();
+        $r->print(&mt('No content changes in imported content in specified time frame').
+                  &endContentScreen());
+        return;
+    }
     $r->print(
+       '<input type="submit" name="setversions" value="'.$lt{'save'}.'" />'.
         &Apache::loncommon::start_data_table().
         &Apache::loncommon::start_data_table_header_row().
         '<th>'.&mt('Resources').'</th>'.
@@ -4203,26 +4307,25 @@ ENDHEADERS
         '<th>'.&mt('History').'</th>'.
         &Apache::loncommon::end_data_table_header_row()
     );
-    foreach my $key (sort(keys(%changes))) {
-        #excludes not versionable problems from resource version history:
-        next unless ($changes{$key}>$starttime && $key !~ /^\/res\/lib\/templates/);
-        my ($root,$extension)=($key=~/^(.*)\.(\w+)$/);
-        my $currentversion=&Apache::lonnet::getversion($key);
-        if ($currentversion<0) {
-            $currentversion='<span class="LC_error">'.&mt('Could not be determined.').'</span>';
-        }
-        my $linkurl=&Apache::lonnet::clutter($key);
-        $r->print(
-            &Apache::loncommon::start_data_table_row().
-            '<td><b>'.&Apache::lonnet::gettitle($linkurl).'</b><br />'.
-            '<a href="'.$linkurl.'" target="cat">'.$linkurl.'</a></td>'.
-            '<td align="right">'.$currentversion.'<span class="LC_fontsize_medium"><br />('.
-            &Apache::lonlocal::locallocaltime(&Apache::lonnet::metadata($root.'.'.$extension,'lastrevisiondate')).')</span></td>'.
-            '<td align="right">'
-        );
-        # Used in course
-        my $usedversion=$hash{'version_'.$linkurl};
-        if (($usedversion) && ($usedversion ne 'mostrecent')) {
+    foreach my $chg (sort {$b <=> $a } keys(%changedbytime)) {
+        foreach my $key (sort(@{$changedbytime{$chg}})) {
+            my ($root,$extension)=($key=~/^(.*)\.(\w+)$/);
+            my $currentversion=&Apache::lonnet::getversion($key);
+            if ($currentversion<0) {
+                $currentversion='<span class="LC_error">'.&mt('Could not be determined.').'</span>';
+            }
+            my $linkurl=&Apache::lonnet::clutter($key);
+            $r->print(
+                &Apache::loncommon::start_data_table_row().
+                '<td><b>'.&Apache::lonnet::gettitle($linkurl).'</b><br />'.
+                '<a href="'.$linkurl.'" target="cat">'.$linkurl.'</a></td>'.
+                '<td align="right">'.$currentversion.'<span class="LC_fontsize_medium"><br />('.
+                &Apache::lonlocal::locallocaltime($chg).')</span></td>'.
+                '<td align="right">'
+            );
+            # Used in course
+            my $usedversion=$hash{'version_'.$linkurl};
+            if (($usedversion) && ($usedversion ne 'mostrecent')) {
                 if ($usedversion != $currentversion) {
                     $r->print('<span class="LC_warning">'.$usedversion.'</span>');
                 } else {
@@ -4231,44 +4334,45 @@ ENDHEADERS
             } else {
                 $r->print($currentversion);
             }
-        $r->print('</td><td title="'.$lt{'vu'}.'">');
-        # Set version
-        $r->print(&Apache::loncommon::select_form(
-            $setversions{$linkurl},
-            'set_version_'.$linkurl,
-            {'select_form_order' => ['',1..$currentversion,'mostrecent'],
-             '' => '',
-             'mostrecent' => &mt('most recent'),
-             map {$_,$_} (1..$currentversion)}));
-        my $lastold=1;
-        for (my $prevvers=1;$prevvers<$currentversion;$prevvers++) {
-            my $url=$root.'.'.$prevvers.'.'.$extension;
-            if (&Apache::lonnet::metadata($url,'lastrevisiondate')<$starttime) {
-                $lastold=$prevvers;
-            }
-        }
-        $r->print('</td>');
-        # List all available versions
-        $r->print('<td valign="top"><span class="LC_fontsize_medium">');
-        for (my $prevvers=$lastold;$prevvers<$currentversion;$prevvers++) {
-            my $url=$root.'.'.$prevvers.'.'.$extension;
-            $r->print(
-                '<span class="LC_nobreak">'
-               .'<a href="'.&Apache::lonnet::clutter($url).'">'
-               .&mt('Version [_1]',$prevvers).'</a>'
-               .' ('.&Apache::lonlocal::locallocaltime(
-                         &Apache::lonnet::metadata($url,'lastrevisiondate'))
-               .')');
-            if (&Apache::loncommon::fileembstyle($extension) eq 'ssi') {
+            $r->print('</td><td title="'.$lt{'vu'}.'">');
+            # Set version
+            $r->print(&Apache::loncommon::select_form(
+                      $setversions{$linkurl},
+                      'set_version_'.$linkurl,
+                      {'select_form_order' => ['',1..$currentversion,'mostrecent'],
+                      '' => '',
+                      'mostrecent' => &mt('most recent'),
+                      map {$_,$_} (1..$currentversion)}));
+            my $lastold=1;
+            for (my $prevvers=1;$prevvers<$currentversion;$prevvers++) {
+                my $url=$root.'.'.$prevvers.'.'.$extension;
+                if (&Apache::lonnet::metadata($url,'lastrevisiondate')<$starttime) {
+                    $lastold=$prevvers;
+                }
+            }
+            $r->print('</td>');
+            # List all available versions
+            $r->print('<td valign="top"><span class="LC_fontsize_medium">');
+            for (my $prevvers=$lastold;$prevvers<$currentversion;$prevvers++) {
+                my $url=$root.'.'.$prevvers.'.'.$extension;
                 $r->print(
-                    ' <a href="/adm/diff?filename='.
-                    &Apache::lonnet::clutter($root.'.'.$extension).
-                    &HTML::Entities::encode('&versionone='.$prevvers,'"<>&').
-                    '" target="diffs">'.&mt('Diffs').'</a>');
+                    '<span class="LC_nobreak">'
+                   .'<a href="'.&Apache::lonnet::clutter($url).'">'
+                   .&mt('Version [_1]',$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.'.'.$extension).
+                        &HTML::Entities::encode('&versionone='.$prevvers,'"<>&').
+                        '" target="diffs">'.&mt('Diffs').'</a>');
+                }
+                $r->print('</span><br />');
             }
-            $r->print('</span><br />');
+            $r->print('</span></td>'.&Apache::loncommon::end_data_table_row());
         }
-        $r->print('</span></td>'.&Apache::loncommon::end_data_table_row());
     }
     $r->print(
         &Apache::loncommon::end_data_table().
@@ -4278,6 +4382,7 @@ ENDHEADERS
 
     &untiehash();
     $r->print(&endContentScreen());
+    return;
 }
 
 sub mark_hash_old {
@@ -4332,13 +4437,13 @@ $help{'Caching'}.'</p></form>'."\n\n");
 
 
 sub init_breadcrumbs {
-    my ($form,$text)=@_;
+    my ($form,$text,$help)=@_;
     &Apache::lonhtmlcommon::clear_breadcrumbs();
     &Apache::lonhtmlcommon::add_breadcrumb({href=>"/adm/coursedocs?tools=1",
 					    text=>&Apache::loncommon::course_type().' Editor',
 					    faq=>273,
 					    bug=>'Instructor Interface',
-                                            help => 'Docs_Adding_Course_Doc'});
+                                            help => $help});
     &Apache::lonhtmlcommon::add_breadcrumb({href=>"/adm/coursedocs?".$form.'=1',
 					    text=>$text,
 					    faq=>273,
@@ -4422,9 +4527,8 @@ sub handler {
 	               'Adding_Folders','Docs_Overview', 'Load_Map',
 	               'Supplemental','Score_Upload_Form','Adding_Pages',
 	               'Importing_LON-CAPA_Resource','Importing_IMS_Course',
-                       'Uploading_From_Harddrive',
-	               'Check_Resource_Versions','Verify_Content',
-                       'Course_Roster','Web_Page','Dropbox') {
+                       'Uploading_From_Harddrive','Course_Roster','Web_Page',
+                       'Dropbox','Simple_Problem') {
 	$help{$topic}=&Apache::loncommon::help_open_topic('Docs_'.$topic);
     }
     # Composite help files
@@ -4432,8 +4536,6 @@ sub handler {
 		    '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 Information Page'} = &Apache::loncommon::help_open_topic(
@@ -4448,13 +4550,9 @@ sub handler {
         $allowed = &Apache::lonnet::allowed('mdc',$env{'request.course.id'});
     }
 
-    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['chooseserver',
-                                            'inhibitmenu']);
-  if ($allowed && $env{'form.chooseserver'}) {
-      &choose_dump_server($r);
-      return OK;
-  } elsif ($allowed && $env{'form.verify'}) {
-      &init_breadcrumbs('verify','Verify Content');
+    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['inhibitmenu']);
+  if ($allowed && $env{'form.verify'}) {
+      &init_breadcrumbs('verify','Verify Content','Docs_Verify_Content');
       &verifycontent($r);
   } elsif ($allowed && $env{'form.listsymbs'}) {
       &init_breadcrumbs('listsymbs','List Content IDs');
@@ -4467,7 +4565,7 @@ sub handler {
       }
       &docs_change_log($r,$coursenum,$coursedom,$folder,$allowed,$crstype,$iconpath);
   } elsif ($allowed && $env{'form.versions'}) {
-      &init_breadcrumbs('versions','Check/Set Resource Versions');
+      &init_breadcrumbs('versions','Check/Set Resource Versions','Docs_Check_Resource_Versions');
       &checkversions($r);
   } elsif ($allowed && $env{'form.dumpcourse'}) {
       &init_breadcrumbs('dumpcourse','Copy '.&Apache::loncommon::course_type().' Content to Authoring Space');
@@ -4638,9 +4736,11 @@ sub handler {
                 $script .= &dump_switchserver_js(@hosts); 
             }
         } else {
+            my $tid = 1;
             my @tabids;
             if ($supplementalflag) {
                 @tabids = ('002','ee2','ff2');
+                $tid = 2;
             } else {
                 @tabids = ('aa1','bb1','cc1','ff1');
                 unless ($env{'form.folderpath'} =~ /\:1$/) {
@@ -4652,7 +4752,7 @@ sub handler {
 	    $script .= &editing_js($udom,$uname,$supplementalflag).
                        &history_tab_js().
                        &inject_data_js().
-                       &Apache::lonhtmlcommon::resize_scrollbox_js('docs',$tabidstr).
+                       &Apache::lonhtmlcommon::resize_scrollbox_js('docs',$tabidstr,$tid).
                        &Apache::lonextresedit::extedit_javascript();
             $addentries = {
                             onload   => "javascript:resize_scrollbox('contentscroll','1','1');",
@@ -4669,7 +4769,9 @@ sub handler {
               .'// <![CDATA['."\n"
               .$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();
@@ -4677,6 +4779,14 @@ sub handler {
     if ($showdoc) {
         $r->print(&Apache::loncommon::start_page("$crstype documents",undef,
                                                 {'force_register' => $showdoc,}));
+    } elsif ($toolsflag) {
+        &Apache::lonhtmlcommon::add_breadcrumb({
+            href=>"/adm/coursedocs",text=>"$crstype Contents"});
+        $r->print(&Apache::loncommon::start_page("$crstype Contents", $script)
+                 .&Apache::loncommon::help_open_menu('','',273,'RAT')
+                 .&Apache::lonhtmlcommon::breadcrumbs(
+                     'Editing Course Contents')
+                 );
     } elsif ($r->uri eq '/adm/supplemental') {
         my $brcrum = &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype);
         $r->print(&Apache::loncommon::start_page("Supplemental $crstype Content",undef,
@@ -4785,11 +4895,36 @@ sub handler {
                 'title' => 'Title',
                 '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',
+        );
 # -----------------------------------------------------------------------------
+
+    # 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') {
+        $quotatype = 'community';    
+    } elsif ($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 $fileupload=(<<FIUP);
 	$lt{'file'}:<br />
-	<input type="file" name="uploaddoc" size="40" />
+	<input type="file" name="uploaddoc" class="flUpload" size="40" />
+    <input type="hidden" id="free_space" value="$free_space" />
 FIUP
 
 	my $checkbox=(<<CHBO);
@@ -4816,10 +4951,10 @@ CHBO
         $lt{'cms'}:&nbsp; 
         <select name="source">
         <option value="-1" selected="selected">$lt{'se'}</option>
-        <option value="bb5">Blackboard 5</option>
-        <option value="bb6">Blackboard 6</option>
-        <option value="angel5">ANGEL 5.5</option>
-        <option value="webctce4">WebCT 4 Campus Edition</option>
+        <option value="bb5">$lt{'bb5'}</option>
+        <option value="bb6">$lt{'bb6'}</option>
+        <option value="angel5">$lt{'angel5'}</option>
+        <option value="webctce4">$lt{'webctce4'}</option>
         </select>
         <input type="hidden" name="folder" value="$imsfolder" />
         </p>
@@ -4836,7 +4971,7 @@ IMSFORM
         <fieldset id="uploaddocform" style="display: none;">
         <legend>$lt{'upfi'}</legend>
 	<input type="hidden" name="active" value="aa" />
-	$fileupload
+    $fileupload
 	<br />
 	$lt{'title'}:<br />
 	<input type="text" size="60" name="comment" />
@@ -4947,7 +5082,7 @@ HIDDENFORM
 
 	my $newnavform=(<<NNFORM);
 	<form action="/adm/coursedocs" method="post" name="newnav">
-	<input type="hidden" name="active" value="cc" />
+	<input type="hidden" name="active" value="ee" />
 	$pathitem
 	<input type="hidden" name="importdetail" 
 	value="$lt{'navc'}=/adm/navmaps" />
@@ -4957,7 +5092,7 @@ HIDDENFORM
 NNFORM
 	my $newsmppageform=(<<NSPFORM);
 	<form action="/adm/coursedocs" method="post" name="newsmppg">
-	<input type="hidden" name="active" value="cc" />
+	<input type="hidden" name="active" value="ee" />
 	$pathitem
 	<input type="hidden" name="importdetail" value="" />
 	<a class="LC_menubuttons_link" href="javascript:makesmppage();"> $lt{'sipa'}</a>
@@ -4971,7 +5106,7 @@ NSPFORM
 	$pathitem
 	<input type="hidden" name="importdetail" value="" />
 	<a class="LC_menubuttons_link" href="javascript:makesmpproblem();">$lt{'sipr'}</a>
-	$help{'Simple Problem'}
+	$help{'Simple_Problem'}
 	</form>
 
 NSPROBFORM
@@ -4998,7 +5133,7 @@ NEXUFORM
 
 	my $newbulform=(<<NBFORM);
 	<form action="/adm/coursedocs" method="post" name="newbul">
-	<input type="hidden" name="active" value="cc" />
+	<input type="hidden" name="active" value="dd" />
 	$pathitem
 	<input type="hidden" name="importdetail" value="" />
 	<a class="LC_menubuttons_link" href="javascript:makebulboard();" >$lt{'bull'}</a>
@@ -5008,7 +5143,7 @@ NBFORM
 
 	my $newaboutmeform=(<<NAMFORM);
 	<form action="/adm/coursedocs" method="post" name="newaboutme">
-	<input type="hidden" name="active" value="cc" />
+	<input type="hidden" name="active" value="dd" />
 	$pathitem
 	<input type="hidden" name="importdetail" 
 	value="$plainname=/adm/$udom/$uname/aboutme" />
@@ -5019,7 +5154,7 @@ NAMFORM
 
 	my $newaboutsomeoneform=(<<NASOFORM);
 	<form action="/adm/coursedocs" method="post" name="newaboutsomeone">
-	<input type="hidden" name="active" value="cc" />
+	<input type="hidden" name="active" value="dd" />
 	$pathitem
 	<input type="hidden" name="importdetail" value="" />
 	<a class="LC_menubuttons_link" href="javascript:makeabout();">$lt{'abou'}</a>
@@ -5028,7 +5163,7 @@ NASOFORM
 
 	my $newrosterform=(<<NROSTFORM);
 	<form action="/adm/coursedocs" method="post" name="newroster">
-	<input type="hidden" name="active" value="cc" />
+	<input type="hidden" name="active" value="dd" />
 	$pathitem
 	<input type="hidden" name="importdetail" 
 	value="$lt{'rost'}=/adm/viewclasslist" />
@@ -5049,7 +5184,7 @@ NROSTFORM
         }
         my $newwebpageform =(<<NWEBFORM);
         <form action="/adm/coursedocs" method="post" name="newwebpage">
-        <input type="hidden" name="active" value="cc" />
+        <input type="hidden" name="active" value="ee" />
         $pathitem
         <input type="hidden" name="importdetail" value="$newwebpage" />
         <a class="LC_menubuttons_link" href="javascript:makewebpage();">$lt{'webp'}</a>
@@ -5073,7 +5208,7 @@ my $newfolderb;
 	<form action="/adm/coursedocs" method="post" name="newpage">
 	<input type="hidden" name="folderpath" value="$path" />
 	<input type="hidden" name="importdetail" value="" />
-	<input type="hidden" name="active" value="cc" />
+	<input type="hidden" name="active" value="ee" />
 	<a class="LC_menubuttons_link" href="javascript:makenewpage(document.newpage,'$pageseq');">$lt{'newp'}</a>
 	$help{'Adding_Pages'}
 	</form>
@@ -5084,14 +5219,14 @@ NPFORM
 	<form action="/adm/coursedocs" method="post" name="newfolder">
 	$pathitem
 	<input type="hidden" name="importdetail" value="" />
-	<input type="hidden" name="active" value="aa" />
+	<input type="hidden" name="active" value="" />
 	<a href="javascript:makenewfolder(document.newfolder,'$folderseq');">$lt{'newf'}</a>$help{'Adding_Folders'}
 	</form>
 NFFORM
 
 	my $newsylform=(<<NSYLFORM);
 	<form action="/adm/coursedocs" method="post" name="newsyl">
-	<input type="hidden" name="active" value="cc" />
+	<input type="hidden" name="active" value="ee" />
 	$pathitem
 	<input type="hidden" name="importdetail" 
 	value="$lt{'syll'}=/public/$coursedom/$coursenum/syllabus" />
@@ -5103,7 +5238,7 @@ NSYLFORM
 
 	my $newgroupfileform=(<<NGFFORM);
 	<form action="/adm/coursedocs" method="post" name="newgroupfiles">
-	<input type="hidden" name="active" value="cc" />
+	<input type="hidden" name="active" value="dd" />
 	$pathitem
 	<input type="hidden" name="importdetail"
 	value="$lt{'grpo'}=/adm/$coursedom/$coursenum/aboutme" />
@@ -5220,7 +5355,7 @@ SUPDOCFORM
 
 	my $supnewfolderform=(<<SNFFORM);
 	<form action="/adm/coursedocs" method="post" name="supnewfolder">
-	<input type="hidden" name="active" value="ee" />
+	<input type="hidden" name="active" value="" />
         $pathitem
 	<input type="hidden" name="importdetail" value="" />
 	<a class="LC_menubuttons_link" href="javascript:makenewfolder(document.supnewfolder,'$folderseq');">$lt{'newf'}</a> 
@@ -5392,7 +5527,7 @@ sub decompression_info {
     my $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
     my $container='sequence';
     my ($pathitem,$hiddenelem);
-    my @hiddens = ('newidx','comment','position','folderpath');
+    my @hiddens = ('newidx','comment','position','folderpath','archiveurl');
     if ($env{'form.folderpath'} =~ /\:1$/) {
         $container='page';
     }
@@ -5400,7 +5535,7 @@ sub decompression_info {
     foreach my $item (@hiddens) {
         if ($env{'form.'.$item}) {
             $hiddenelem .= '<input type="hidden" name="'.$item.'" value="'.
-                           $env{'form.'.$item}.'" />'."\n";
+                           &HTML::Entities::encode($env{'form.'.$item},'<>&"').'" />'."\n";
         }
     }
     return ($destination,$dir_root,$londocroot,$docudom,$docuname,$container,
@@ -5457,25 +5592,34 @@ sub remove_archive {
         } else {
             $delwarning = &mt('An error occurred retrieving the contents of the current folder.');
         }
-        $delwarning .= &mt('As a result the archive file has not been removed.');
+        $delwarning .= ' '.&mt('As a result the archive file has not been removed.');
     } else {
         my $currcmd = $env{'form.cmd'};
         my $position = $env{'form.position'};
+        my $archiveidx = $position;
         if ($position > 0) {
-            $env{'form.cmd'} = 'remove_'.$position;
-            my ($title,$url,@rrest) = 
-                split(/:/,$LONCAPA::map::resources[$LONCAPA::map::order[$position]]);
-            if (&handle_edit_cmd($docuname,$docudom)) {
-                ($errtext,$fatal) = &storemap($docuname,$docudom,$map,1);
-                if ($fatal) {
-                    if ($container eq 'page') {
-                        $delwarning = &mt('An error occurred updating the contents of the current page.');
+            if (($env{'form.autoextract_camtasia'}) && (scalar(@LONCAPA::map::order) == 2)) {
+                $archiveidx = $position-1;
+            }
+            $env{'form.cmd'} = 'remove_'.$archiveidx;
+            my ($title,$url,@rrest) =
+                split(/:/,$LONCAPA::map::resources[$LONCAPA::map::order[$archiveidx]]);
+            if ($url eq $env{'form.archiveurl'}) {
+                if (&handle_edit_cmd($docuname,$docudom)) {
+                    ($errtext,$fatal) = &storemap($docuname,$docudom,$map,1);
+                    if ($fatal) {
+                        if ($container eq 'page') {
+                            $delwarning = &mt('An error occurred updating the contents of the current page.');
+                        } else {
+                            $delwarning = &mt('An error occurred updating the contents of the current folder.');
+                        }
                     } else {
-                        $delwarning = &mt('An error occurred updating the contents of the current folder.');
+                        $delresult = &mt('Archive file removed.');
                     }
-                } else {
-                    $delresult = &mt('Archive file removed.');
                 }
+            } else {
+                $delwarning .=  &mt('Archive file had unexpected item number in folder.').
+                                ' '.&mt('As a result the archive file has not been removed.');
             }
         }
         $env{'form.cmd'} = $currcmd;
@@ -5533,14 +5677,14 @@ sub generate_admin_menu {
                 {   linktext   => $lt{'vc'},
                     url        => "javascript:injectData(document.courseverify,'dummy','verify','$lt{'vc'}')",
                     permission => 'F',
-                    help       => 'Verify_Content',
+                    help       => 'Docs_Verify_Content',
                     icon       => 'verify.png',
                     linktitle  => 'Verify contents can be retrieved/rendered',
                 },
                 {   linktext => $lt{'cv'},
                     url => "javascript:injectData(document.courseverify,'dummy','versions','$lt{'cv'}')",
                     permission => 'F',
-                    help       => 'Check_Resource_Versions',
+                    help       => 'Docs_Check_Resource_Versions',
                     icon       => 'resversion.png',
                     linktitle  => "View version information for resources in your $lc_crstype, and fix/unfix use of specific versions",
                 },
@@ -5565,7 +5709,7 @@ sub generate_admin_menu {
                 {   linktext   => $lt{'dcd'},
                     url        => $dumpurl,
                     permission => $candump,
-                    #help => '',
+                    help       => 'Docs_Dump_Course_Docs',
                     icon       => 'dump.png',
                     linktitle  => $lt{'dcd'},
                 },
@@ -5585,7 +5729,7 @@ sub generate_edit_table {
     my $form;
     my $activetab;
     my $active;
-    if (($env{'form.active'} ne '') && ($env{'form.active'} ne 'aa')) {
+    if (($env{'form.active'} ne '') && ($env{'form.active'} ne '00')) {
         $activetab = $env{'form.active'};
     }
     my $backicon = $iconpath.'clickhere.gif';
@@ -5620,7 +5764,7 @@ sub generate_edit_table {
             $form .= '<li style="float:right" '.$active
                 .' onclick="javascript:showPage(this, \''.$name.$tid.'\', \'navigation'.$tid.'\',\'content'.$tid.'\');"><a href="javascript:;"><b>'.&mt(${$orderhash{$name}}[0]).'</b></a></li>'."\n";
         } else {
-	    $form .= '<li '.$active.' style="float:right">'.${$orderhash{$name}}[1].'</li>'."\n";
+	    $form .= '<li style="float:right">'.${$orderhash{$name}}[1].'</li>'."\n";
 
 	}
     }
@@ -5678,7 +5822,7 @@ END
 
 sub editing_js {
     my ($udom,$uname,$supplementalflag) = @_;
-    my %lt = &Apache::lonlocal::texthash(
+    my %js_lt = &Apache::lonlocal::texthash(
                                           p_mnf => 'Name of New Folder',
                                           t_mnf => 'New Folder',
                                           p_mnp => 'Name of New Page',
@@ -5716,7 +5860,7 @@ sub editing_js {
                                           noch    => 'No changes to settings specified.',
                                           noac    => 'No actions selected.',
                                         );
-
+    &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 $main_container_page;
@@ -5738,6 +5882,7 @@ sub editing_js {
             if (&Apache::lonnet::is_on_map($res)) {
                 $backtourl = &HTML::Entities::encode(&Apache::lonnet::clutter($res),'<>&"').'?symb='.
                              &HTML::Entities::encode($caller,'<>&"');
+                $backtourl = &Apache::loncommon::escape_single($backtourl);
             } else {
                 $backtourl = '/adm/navmaps';
             }
@@ -5760,7 +5905,7 @@ sub editing_js {
 
     return <<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.submit();
@@ -5768,7 +5913,7 @@ function makenewfolder(targetform,folder
 }
 
 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.submit();
@@ -5776,7 +5921,7 @@ function makenewpage(targetform,folderse
 }
 
 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';
@@ -5785,7 +5930,7 @@ function makeexamupload() {
 }
 
 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';
@@ -5794,7 +5939,7 @@ function makesmppage() {
 }
 
 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;
@@ -5809,7 +5954,7 @@ function makewebpage(type) {
 }
 
 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';
@@ -5818,7 +5963,7 @@ function makesmpproblem() {
 }
 
 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';
@@ -5827,7 +5972,7 @@ function makedropbox() {
 }
 
 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';
@@ -5836,20 +5981,20 @@ function makebulboard() {
 }
 
 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=
-		   '$lt{"p_mab2"}'+escape(user)+'=/adm/'+comp[1]+'/'+comp[0]+'/aboutme';
+		   '$js_lt{"p_mab2"}'+escape(user)+'=/adm/'+comp[1]+'/'+comp[0]+'/aboutme';
        this.document.forms.newaboutsomeone.submit();
    } else {
-       alert("$lt{'p_mab_alrt1'}");
+       alert("$js_lt{'p_mab_alrt1'}");
    }
 } else {
-   alert("$lt{'p_mab_alrt2'}");
+   alert("$js_lt{'p_mab_alrt2'}");
 }
 }
 }
@@ -5887,11 +6032,11 @@ function toggleMap(caller) {
 
 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");
@@ -5899,7 +6044,7 @@ function makeims(imsform) {
 }
 
 function changename(folderpath,index,oldtitle) {
-var title=prompt('$lt{"p_chn"}',oldtitle);
+var title=prompt('$js_lt{"p_chn"}',oldtitle);
 if (title) {
 this.document.forms.renameform.markcopy.value='';
 this.document.forms.renameform.title.value=title;
@@ -5923,7 +6068,7 @@ 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;
@@ -6111,14 +6256,14 @@ 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+'" $lt{"p_rmr2b"}')) {
+                if (skip_confirm || confirm('$js_lt{"p_rmr1"}\\n\\n$js_lt{"p_rmr2a"} "'+oldtitle+'" $js_lt{"p_rmr2b"}')) {
                     targetform.markcopy.value='';
                     targetform.copyfolder.value='';
                     targetform.submit();
                 }
             }
             if (param == 'cut') {
-                if (skip_confirm || confirm('$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;
                 }
@@ -6183,10 +6328,12 @@ for (i = 0; i < currentLis.length; i++)
 
 function hideAll(current, nav, data) {
 unselectInactive(nav);
-if(current.className == 'right'){
-	current.className = 'right active'
-	}else{
-	current.className = 'active';
+if (current) { 
+    if (current.className == 'right'){
+        current.className = 'right active'
+    } else {
+        current.className = 'active';
+    }
 }
 currentData = document.getElementById(data);
 currentDivs = currentData.getElementsByTagName('DIV');
@@ -6217,10 +6364,24 @@ function openTabs(pageId) {
 }
 
 function showPage(current, pageId, nav, data) {
+        currstate = current.className;
 	hideAll(current, nav, data);
 	openTabs(pageId);
 	unselectInactive(nav);
-	current.className = 'active';
+        if ((currstate == 'active') || (currstate == 'right active')) {
+            if (currstate == 'active') {
+	        current.className = '';
+            } else {
+                current.className = 'right';
+            }
+            activeTab = ''; 
+            toggleUpload();
+            toggleMap();
+            resize_scrollbox('contentscroll','1','0');
+            return;
+        } else {
+            current.className = 'active';
+        }
 	currentData = document.getElementById(pageId);
 	currentData.style.display = 'block';
         activeTab = pageId;
@@ -6281,7 +6442,7 @@ 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 = '';
         }
@@ -6307,10 +6468,10 @@ 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');
@@ -6466,12 +6627,12 @@ function checkSubmits() {
         if (numchanges > 0) {
             if ((cutwarnings > 0) || (remwarnings > 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+' $js_lt{"p_rmr3b"}')) {
                         return false;
                     }
                 }
                 if (cutwarnings > 0) {
-                    if (!confirm('$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+' $js_lt{"p_ctr3b"}')) {
                         return false;
                     }
                 }
@@ -6487,12 +6648,12 @@ function checkSubmits() {
         }
     }
     if ((dosettings == 1) && (doactions == 1)) {
-        alert("$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;
@@ -6607,13 +6768,19 @@ ENDINJECT
 
 sub dump_switchserver_js {
     my @hosts = @_;
-    my %lt = &Apache::lonlocal::texthash(
-        dump => 'Copying Content to Authoring Space requires switching server.',
+    my %js_lt = &Apache::lonlocal::texthash(
+        dump => 'Copying content to Authoring Space requires switching server.',
+        swit => 'Switch server?',
+    );
+    my %html_js_lt = &Apache::lonlocal::texthash(
         swit => 'Switch server?',
         duco => 'Copying 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">
@@ -6654,7 +6821,7 @@ 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);
         }
     }
@@ -6665,13 +6832,13 @@ 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');