--- loncom/interface/lonmenu.pm	2013/08/08 02:24:02	1.369.2.44
+++ loncom/interface/lonmenu.pm	2012/08/16 18:35:47	1.385
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Routines to control the menu
 #
-# $Id: lonmenu.pm,v 1.369.2.44 2013/08/08 02:24:02 raeburn Exp $
+# $Id: lonmenu.pm,v 1.385 2012/08/16 18:35:47 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -106,11 +106,10 @@ secondary_menu().
 
 =item primary_menu()
 
-This routine evaluates @primary_menu and returns a two item array, 
-with the array elements containing XHTML for the left and right sides of 
-the menu that contains the following links: About, Message, Roles, Help, Logout 
+This routine evaluates @primary_menu and returns XHTML for the menu
+that contains following links: About, Message, Roles, Help, Logout
 @primary_menu is filled within the BEGIN block of this module with 
-entries from mydesk.tab
+entries from mydesk.tab 
 
 =item secondary_menu()
 
@@ -118,9 +117,9 @@ Same as primary_menu() but operates on @
 
 =item create_submenu()
 
-Creates XHTML for unordered list of sub-menu items which belong to a
+Creates XHTML for unordered list of sub-menu items which belong to a 
 particular top-level menu item. Uses hover pseudo class in css to display
-dropdown list when mouse hovers over top-level item. Support for IE6
+dropdown list when mouse hovers over top-level item. Support for IE6 
 (no hover psuedo class) via LC_hoverable class for <li> tag for top-
 level item, which employs jQuery to handle behavior on mouseover.
 
@@ -132,26 +131,6 @@ Inputs: 4 - (a) link and (b) target for
 
 This gets called in order to register a URL in the body of the document
 
-=item loadevents()
-
-=item unloadevents()
-
-=item startupremote()
-
-=item setflags()
-
-=item maincall()
-
-=item load_remote_msg()
-
-=item get_menu_name()
-
-=item reopenmenu()
-
-=item open()
-
-Open the menu
-
 =item clear()
 
 =item switch()
@@ -203,7 +182,7 @@ use HTML::Entities();
 use Apache::lonwishlist();
 
 use vars qw(@desklines %category_names %category_members %category_positions 
-            $readdesk @primary_menu %primary_submenu @secondary_menu %secondary_submenu);
+            $readdesk @primary_menu %primary_submenu @secondary_menu);
 
 my @inlineremote;
 
@@ -224,16 +203,15 @@ sub prep_menuitem {
            . qq| href="$$menuitem[0]" target="_top">$link</a></li>|;
 }
 
-# primary_menu() evaluates @primary_menu and returns a two item array,
-# with the array elements containing XHTML for the left and right sides of 
-# the menu that contains the following links:
-# Personal, About, Message, Roles, Help, Logout
+# primary_menu() evaluates @primary_menu and returns XHTML for the menu
+# that contains following links:
+# About, Message, Personal, Roles, Help, Logout
 # @primary_menu is filled within the BEGIN block of this module with 
 # entries from mydesk.tab
 sub primary_menu {
-    my %menu;
+    my $menu;
     # each element of @primary contains following array:
-    # (link url, icon path, alt text, link text, condition, position)
+    # (link url, icon path, alt text, link text, condition)
     my $public;
     if ((($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public'))
         || (($env{'user.name'} eq '') && ($env{'user.domain'} eq ''))) {
@@ -258,10 +236,6 @@ sub primary_menu {
                 && !&Apache::loncommon::show_course(); ##
         
         my $title = $menuitem->[3];
-        my $position = $menuitem->[5];
-        if ($position eq '') {
-            $position = 'right';
-        }
         if (defined($primary_submenu{$title})) {
             my ($link,$target);
             if ($menuitem->[0] ne '') {
@@ -273,17 +247,18 @@ sub primary_menu {
             my @primsub;
             if (ref($primary_submenu{$title}) eq 'ARRAY') {
                 foreach my $item (@{$primary_submenu{$title}}) {
-                    next if (($item->[2] eq 'wishlist') && (!$env{'user.adv'})); 
-                    next if ((($item->[2] eq 'portfolio') || 
-                             ($item->[2] eq 'blog')) && 
+                    next if (($item->[2] eq 'wishlist') && (!$env{'user.adv'}));
+                    next if (($item->[2] eq 'reqcrs') && (!&check_for_rcrs()));
+                    next if ((($item->[2] eq 'portfolio') ||
+                             ($item->[2] eq 'blog')) &&
                              (!&Apache::lonnet::usertools_access('','',$item->[2],
                                                            undef,'tools')));
                     push(@primsub,$item);
                 }
                 if (@primsub > 0) {
-                    $menu{$position} .= &create_submenu($link,$target,$title,\@primsub);
+                    $menu .= &create_submenu($link,$target,$title,\@primsub);
                 } elsif ($link) {
-                    $menu{$position} .= '<li><a href="'.$link.'" target="'.$target.'">'.&mt($title).'</a></li>';
+                    $menu .= '<li><a href="'.$link.'" target="'.$target.'">'.&mt($title).'</a></li>';
                 }
             }
         } elsif ($$menuitem[3] eq 'Help') { # special treatment for helplink
@@ -294,17 +269,19 @@ sub primary_menu {
                                                                   'helpdeskmail',
                                                                   $defdom,$origmail);
                 if ($to ne '') {
-                    $menu{$position} .= &prep_menuitem($menuitem); 
+                    $menu .= &prep_menuitem($menuitem); 
                 }
             } else {
-                $menu{$position} .= '<li>'.&Apache::loncommon::top_nav_help('Help').'</li>';
+                $menu .= '<li>'.&Apache::loncommon::top_nav_help('Help').'</li>';
             }
         } else {
-            $menu{$position} .= prep_menuitem($menuitem);
+            $menu .= prep_menuitem($menuitem);
         }
     }
-    return ("<ol class=\"LC_primary_menu LC_floatleft\">$menu{'left'}</ol>",
-            "<ol class=\"LC_primary_menu LC_floatright LC_right\">$menu{'right'}</ol>");
+    $menu =~ s/\[domain\]/$env{'user.domain'}/g;
+    $menu =~ s/\[user\]/$env{'user.name'}/g;
+
+    return "<ol class=\"LC_primary_menu LC_right\">$menu</ol>";
 }
 
 #returns hashref {user=>'',dom=>''} containing:
@@ -341,64 +318,27 @@ sub secondary_menu {
                                                : '');
     my $canedit       = &Apache::lonnet::allowed('mdc', $env{'request.course.id'});
     my $canviewroster = $env{'course.'.$env{'request.course.id'}.'.student_classlist_view'};
-    if ($canviewroster eq 'disabled') {
-        undef($canviewroster);
-    }
-    my $canviewgrps   = &Apache::lonnet::allowed('vcg', $crs_sec);
-    my $canmodifyuser = &Apache::lonnet::allowed('cst', $crs_sec);
-    my $canviewwnew   = &Apache::lonnet::allowed('whn', $crs_sec);
+    my $canviewgrps   = &Apache::lonnet::allowed('vcg', $crs_sec); 
+    my $canmodifyuser = &Apache::lonnet::allowed('cst', $crs_sec); 
+    my $canviewwnew   = &Apache::lonnet::allowed('whn', $crs_sec); 
     my $canmodpara    = &Apache::lonnet::allowed('opa', $crs_sec);
     my $canvgr        = &Apache::lonnet::allowed('vgr', $crs_sec);
-    my $canmgr        = &Apache::lonnet::allowed('mgr', $crs_sec);
+    my $canmgr        = &Apache::lonnet::allowed('mgr', $crs_sec); 
     my $author        = &getauthor();
 
-    my ($cdom,$cnum,$showsyllabus,$showfeeds);
-    if ($env{'request.course.id'}) {
-        $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
-        $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
-        unless ($canedit) {
-            unless (&Apache::lonnet::is_on_map("public/$cdom/$cnum/syllabus")) {
-                if (($env{'course.'.$env{'request.course.id'}.'.externalsyllabus'}) ||
-                    ($env{'course.'.$env{'request.course.id'}.'.uploadedsyllabus'}) ||
-                    ($env{'course.'.$env{'request.course.id'}.'.updatedsyllabus'}) ||
-                    ($env{'request.course.syllabustime'})) {
-                    $showsyllabus = 1;
-                }
-            }
-            if ($env{'request.course.feeds'}) {
-                $showfeeds = 1;
-            }
-        }
-    }
-
-    my ($canmodifycoauthor);
-    if ($env{'request.role'} eq "au./$env{'user.domain'}/") {
-        my $extent = "$env{'user.domain'}/$env{'user.name'}";
-        if ((&Apache::lonnet::allowed('cca',$extent)) ||
-            (&Apache::lonnet::allowed('caa',$extent))) {
-            $canmodifycoauthor = 1;
-        }
-    }
-
     my %groups = &Apache::lonnet::get_active_groups(
                      $env{'user.domain'}, $env{'user.name'},
                      $env{'course.' . $env{'request.course.id'} . '.domain'},
                      $env{'course.' . $env{'request.course.id'} . '.num'});
 
-    my ($roleswitcher_js,$roleswitcher_form);
-
     foreach my $menuitem (@secondary_menu) {
         # evaluate conditions 
         next if    ref($menuitem)  ne 'ARRAY';
         next if    $$menuitem[4]   ne 'always'
-                && ($$menuitem[4]  ne 'author' && $$menuitem[4] ne 'cca')
+                && $$menuitem[4]   ne 'author'
                 && !$env{'request.course.id'};
         next if    $$menuitem[4]   =~ /^mdc/
                 && !$canedit;
-        next if    $$menuitem[4]  eq 'mdcCourse'
-                && ($crstype eq 'Community');
-        next if    $$menuitem[4]  eq 'mdcCommunity'
-                && ($crstype eq 'Course');
         next if    $$menuitem[4]  eq 'nvgr'
                 && $canvgr;
         next if    $$menuitem[4]  eq 'vgr'
@@ -415,65 +355,21 @@ sub secondary_menu {
                 && !$canviewwnew;
         next if    $$menuitem[4]   eq 'opa'
                 && !$canmodpara;
-        next if    $$menuitem[4]   eq 'nvcg'
-                && ($canviewgrps || !%groups);
-        next if    $$menuitem[4]   eq 'showsyllabus'
-                && !$showsyllabus;
-        next if    $$menuitem[4]   eq 'showfeeds'
-                && !$showfeeds;
+        next if    $$menuitem[4]   =~ /showgroups$/
+                && !$canviewgrps
+                && !%groups;
         next if    $$menuitem[4]    eq 'author'
                 && !$author;
-        next if    $$menuitem[4]    eq 'cca'
-                && !$canmodifycoauthor;
 
-        my $title = $menuitem->[3];
-        if (defined($secondary_submenu{$title})) {
-            my ($link,$target);
-            if ($menuitem->[0] ne '') {
-                $link = $menuitem->[0];
-                $target = '_top';
-            } else {
-                $link = '#';
-            }
-            my @scndsub;
-            if (ref($secondary_submenu{$title}) eq 'ARRAY') {
-                foreach my $item (@{$secondary_submenu{$title}}) {
-                    if (ref($item) eq 'ARRAY') {
-                        next if ($item->[2] eq 'vgr' && !$canvgr);
-                        next if ($item->[2] eq 'opa' && !$canmodpara);
-                        next if ($item->[2] eq 'cst' && !$canmodifyuser);
-                        next if ($item->[2] eq 'mgr' && !$canmgr);
-                        next if ($item->[2] eq 'vcg' && !$canviewgrps);
-                        next if ($item->[2] eq 'mdc' && !$canedit);
-                        push(@scndsub,$item); 
-                    }
-                }
-                if (@scndsub > 0) {
-                    $menu .= &create_submenu($link,$target,$title,\@scndsub);
-                } elsif ($link ne '#') {
-                    $menu .= '<li><a href="'.$link.'" target="'.$target.'">'.&mt($title).'</a></li>';
-                }
-            }
-        } elsif ($$menuitem[3] eq 'Roles' && $env{'request.course.id'}) {
+        if ($$menuitem[3] eq 'Roles' && $env{'request.course.id'}) {
             # special treatment for role selector
-            ($roleswitcher_js,$roleswitcher_form,my $switcher) =
-                &roles_selector(
+            my $roles_selector = &roles_selector(
                         $env{'course.' . $env{'request.course.id'} . '.domain'},
-                        $env{'course.' . $env{'request.course.id'} . '.num'}
-                );
-            $menu .= $switcher;
+                        $env{'course.' . $env{'request.course.id'} . '.num'}  );
+
+            $menu .= $roles_selector ? "<li>$roles_selector</li>"
+                                     : '';
         } else {
-            if ($$menuitem[3] eq 'Syllabus' && $env{'request.course.id'}) {
-                my $url = $$menuitem[0];
-                $url =~ s{\[cdom\]/\[cnum\]}{$cdom/$cnum};
-                if (&Apache::lonnet::is_on_map($url)) {
-                    unless ($$menuitem[0] =~ /\?register=1/) {
-                        $$menuitem[0] .= '?register=1';
-                    }
-                } else {
-                    $$menuitem[0] =~ s{\?register=1}{};
-                }
-            }
             $menu .= &prep_menuitem(\@$menuitem);
         }
     }
@@ -497,16 +393,9 @@ sub secondary_menu {
     }
     $menu =~ s/\[uname\]/$$author{user}/g;
     $menu =~ s/\[udom\]/$$author{dom}/g;
-    if ($env{'request.course.id'}) {  
-        $menu =~ s/\[cnum\]/$cnum/g;
-        $menu =~ s/\[cdom\]/$cdom/g;
-    }
     if ($menu) {
         $menu = "<ul id=\"LC_secondary_menu\">$menu</ul>";
     }
-    if ($roleswitcher_form) {
-        $menu .= "\n$roleswitcher_js\n$roleswitcher_form";
-    }
     return $menu;
 }
 
@@ -517,19 +406,9 @@ sub create_submenu {
     if ($target ne '') {
         $disptarget = ' target="'.$target.'"';
     }
-    my $name;
-    if ($title eq 'Personal') {
-        if ($env{'user.name'} && $env{'user.domain'}) {
-            $name = &Apache::loncommon::plainname($env{'user.name'},$env{'user.domain'});
-        } else {
-            $name = &mt($title);
-        }
-    } else {
-        $name = &mt($title);
-    }
     my $menu = '<li class="LC_hoverable">'.
                '<a href="'.$link.'"'.$disptarget.'>'.
-               '<span class="LC_nobreak">'.$name.
+               '<span class="LC_nobreak">'.&mt($title).
                '<span class="LC_fontsize_small" style="font-weight:normal;">'.
                ' &#9660;</span></span></a>'.
                '<ul>';
@@ -538,18 +417,12 @@ sub create_submenu {
     foreach my $item (@{$submenu}) {
         $count ++;
         if (ref($item) eq 'ARRAY') {
-            my $href = $item->[0];
-            if ($href =~ /(aboutme|rss\.html)$/) {
-                next unless (($env{'user.name'} ne '') && ($env{'user.domain'} ne ''));
-                $href =~ s/\[domain\]/$env{'user.domain'}/g;
-                $href =~ s/\[user\]/$env{'user.name'}/g;
-            }
             my $borderbot;
             if ($count == $numsub) {
                 $borderbot = 'border-bottom:1px solid black;';
             }
             $menu .= '<li style="margin:0;padding:0;'.
-                     $borderbot.'"><a href="'.$href.'">'.
+                     $borderbot.'"><a href="'.$item->[0].'">'.
                      &mt($item->[1]).'</a></li>';
         }
     }
@@ -557,36 +430,8 @@ sub create_submenu {
     return $menu;
 }
 
-sub registerurl {
-    my ($forcereg) = @_;
-    my $result = '';
-    if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
-    my $force_title='';
-    if ($env{'request.state'} eq 'construct') {
-        $force_title=&Apache::lonxml::display_title();
-    }
-    if (($env{'environment.remote'} ne 'on') ||
-        ((($env{'request.publicaccess'}) ||
-         (!&Apache::lonnet::is_on_map(
-           &unescape($env{'request.noversionuri'})))) &&
-        (!$forcereg))) {
-        return
-        $result
-       .'<script type="text/javascript">'."\n"
-       .'// <![CDATA['."\n"
-       .'function LONCAPAreg(){;} function LONCAPAstale(){}'."\n"
-       .'// ]]>'."\n"
-       .'</script>'
-       .$force_title;
-    }
-# Graphical display after login only
-    if ($env{'request.registered'} && !$forcereg) { return ''; }
-    $result.=&innerregister($forcereg);
-    return $result.$force_title;
-}
-
 sub innerregister {
-    my ($forcereg,$bread_crumbs,$group) = @_;
+    my ($forcereg,$bread_crumbs) = @_;
     my $const_space = ($env{'request.state'} eq 'construct');
     my $is_const_dir = 0;
 
@@ -594,192 +439,231 @@ sub innerregister {
 
     $env{'request.registered'} = 1;
 
-    my $noremote = ($env{'environment.remote'} ne 'on');
-
     undef(@inlineremote);
 
-    my $reopen=&Apache::lonmenu::reopenmenu();
+    my $resurl; 
+    if ( $env{'request.symb'} && $env{'request.course.id'} ) {
 
-    my $newmail='';
-
-    if (&Apache::lonmsg::newmail() && !$noremote) {
-        # We have new mail and remote is up
-        $newmail= 'swmenu.setstatus("you have","messages");';
-    }
-
-    my ($mapurl,$resurl);
-
-    if ($env{'request.course.id'}) {
-        if ($env{'request.symb'}) {
-            ($mapurl, my $rid, $resurl) = &Apache::lonnet::decode_symb(&Apache::lonnet::symbread());
-            my $coursetitle = $env{'course.'.$env{'request.course.id'}.'.description'};
-
-            my $maptitle = &Apache::lonnet::gettitle($mapurl);
-            my $restitle = &Apache::lonnet::gettitle(&Apache::lonnet::symbread());
+        (my $mapurl, my $rid, $resurl) = &Apache::lonnet::decode_symb(&Apache::lonnet::symbread());
+        my $coursetitle = $env{'course.'.$env{'request.course.id'}.'.description'};
 
+        my $maptitle = &Apache::lonnet::gettitle($mapurl);
+        my $restitle = &Apache::lonnet::gettitle(&Apache::lonnet::symbread());
 
 #SD
 #course_type only Course and Community?
 #
-            my @crumbs;
-            unless (($forcereg) && 
-                    ($env{'request.noversionuri'} eq '/adm/navmaps') &&
-                    ($mapurl eq $env{'course.'.$env{'request.course.id'}.'.url'})) {
-                @crumbs = ({text  => Apache::loncommon::course_type() 
-                                    . ' Contents', 
-                            href  => "Javascript:gopost('/adm/navmaps','')"});
-            }
-            if ($mapurl ne $env{'course.'.$env{'request.course.id'}.'.url'}) { 
-                push(@crumbs, {text  => '...',
-                               no_mt => 1});
-            }
-
-            push @crumbs, {text => $maptitle, no_mt => 1} if ($maptitle 
-                                                       && $maptitle ne 'default.sequence' 
-                                                       && $maptitle ne $coursetitle);
-
-            push @crumbs, {text => $restitle, no_mt => 1} if $restitle; 
-            &Apache::lonhtmlcommon::clear_breadcrumbs();
-            &Apache::lonhtmlcommon::add_breadcrumb(@crumbs);
-        } else {
-            $resurl = $env{'request.noversionuri'};
-            my $courseurl = &Apache::lonnet::courseid_to_courseurl($env{'request.course.id'});
-            my $crstype = &Apache::loncommon::course_type();
-            my $title = &mt('View Resource');
-            if ($resurl =~ m{^\Q/uploaded$courseurl/supplemental/\E(default|\d+)/}) {
-                &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['folderpath','title']);
-                &Apache::lonhtmlcommon::clear_breadcrumbs();
-                if ($env{'form.title'}) {
-                    $title = $env{'form.title'};
-                }
-                my $trail;
-                if ($env{'form.folderpath'}) {
-                    &prepare_functions($resurl,$forcereg,$group,undef,undef,1);
-                    ($trail) =
-                        &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
-                } else {
-                    &Apache::lonhtmlcommon::add_breadcrumb(
-                    {text  => "Supplemental $crstype Content",
-                     href  => "javascript:gopost('/adm/supplemental','')"});
-                    $title = &mt('View Resource');
-                    ($trail) =
-                        &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
-                }
-                return $trail;
-            } elsif ($resurl =~ m{^\Q/uploaded$courseurl/portfolio/syllabus/}) {
-                &Apache::lonhtmlcommon::clear_breadcrumbs();
-                &prepare_functions('/public'.$courseurl."/syllabus",
-                                   $forcereg,$group,undef,undef,1);
-                $title = &mt('Syllabus File');
-                my ($trail) =
-                    &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1);
-                return $trail;
-            }
-            unless ($env{'request.state'} eq 'construct') {
-                &Apache::lonhtmlcommon::clear_breadcrumbs();
-                &Apache::lonhtmlcommon::add_breadcrumb({text => 'View Resource'});
-            }
-        }
-    } elsif (! $const_space){
+        my @crumbs;
+        unless (($forcereg) && ($env{'request.noversionuri'} eq '/adm/navmaps')
+                && ($mapurl eq $env{'course.'.$env{'request.course.id'}.'.url'})) {
+            @crumbs = ({text  => Apache::loncommon::course_type() 
+                                . ' Contents', 
+                        href  => "Javascript:gopost('/adm/navmaps','')"});
+        }
+        if ($mapurl ne $env{'course.'.$env{'request.course.id'}.'.url'}) { 
+            push(@crumbs, {text  => '...',
+                           no_mt => 1});
+        }
+
+        push @crumbs, {text => $maptitle, no_mt => 1} if ($maptitle 
+                                                   && $maptitle ne 'default.sequence' 
+                                                   && $maptitle ne $coursetitle);
+
+        push @crumbs, {text => $restitle, no_mt => 1} if $restitle; 
+
+        &Apache::lonhtmlcommon::clear_breadcrumbs();
+        &Apache::lonhtmlcommon::add_breadcrumb(@crumbs);
+    }elsif (! $const_space){
         #a situation when we're looking at a resource outside of context of a 
         #course or construction space (e.g. with cumulative rights)
         &Apache::lonhtmlcommon::clear_breadcrumbs();
-        unless ($env{'request.noversionuri'} =~ m{^/adm/$match_domain/$match_username/aboutme$}) {
-            &Apache::lonhtmlcommon::add_breadcrumb({text => 'View Resource'});
-        }
+        &Apache::lonhtmlcommon::add_breadcrumb({text => 'View Resource'});
     }
-    my $timesync   = ( $noremote ? '' : 'swmenu.syncclock(1000*'.time.');' );
 # =============================================================================
 # ============================ This is for URLs that actually can be registered
-    if ( ($env{'request.noversionuri'}!~m{^/(res/)*adm/})
-                       || ($forcereg)) {
+    return '' unless ( ($env{'request.noversionuri'}!~m{^/(res/)*adm/}) 
+                       || $forcereg );
 
-        my %swtext;
-        if ($noremote) {
-            %swtext = &get_inline_text();
-        } else {
-            %swtext = &get_rc_text();
-        }
-        my $hwkadd='';
+# -- This applies to homework problems for users with grading privileges
+	my $crs='/'.$env{'request.course.id'};
+	if ($env{'request.course.sec'}) {
+	    $crs.='_'.$env{'request.course.sec'};
+	}
+	$crs=~s/\_/\//g;
 
-        my ($cdom,$cnum,%perms,$cfile,$switchserver,$home,$forceedit,
-            $forceview,$editbutton);
-        if (($resurl =~ m{^/adm/($match_domain)/($match_username)/aboutme$}) ||
-            ($env{'request.role'} !~/^(aa|ca|au)/)) {
-            if (($env{'environment.remote'} eq 'on') && ($env{'request.symb'})) {
-                &Apache::lonhtmlcommon::clear_breadcrumbs();
+        my $hwkadd='';
+        if ($env{'request.symb'} ne '' &&
+	    $env{'request.filename'}=~/$LONCAPA::assess_re/) {
+	    if (&Apache::lonnet::allowed('mgr',$crs)) {
+		$hwkadd.=&switch('','',7,2,'pgrd.png','Content Grades','grades[_4]',
+                       "gocmd('/adm/grades','gradingmenu')",
+                       'Content Grades');
+            } elsif (&Apache::lonnet::allowed('vgr',$crs)) {
+		$hwkadd.=&switch('','',7,2,'subm.png','Content Submissions','missions[_1]',
+                       "gocmd('/adm/grades','submission')",
+		       'Content Submissions');
             }
-            $editbutton = &prepare_functions($resurl,$forcereg,$group);
-        }
-        if ($editbutton eq '') {
-            $editbutton = &clear(6,1);
-        }
-
-#
-# This applies in course context
-#
+	}
+	if ($env{'request.symb'} ne '' &&
+	    &Apache::lonnet::allowed('opa',$crs)) {
+	    $hwkadd.=&switch('','',7,3,'pparm.png','Content Settings','parms[_2]',
+			     "gocmd('/adm/parmset','set')",
+			     'Content Settings');
+	}
+        if ($env{'request.symb'}=~/^uploaded/ &&
+            &Apache::lonnet::allowed('mdc',$crs)) {
+            $hwkadd.=&switch('','',7,4,'docs.png','Folder/Page Content','parms[_2]',
+                             "gocmd('/adm/coursedocs','direct')",
+                             'Folder/Page Content');
+        }
+# -- End Homework
+        ###
+        ### Determine whether or not to display the 'cstr' button for this
+        ### resource
+        ###
+        my $editbutton = '';
+        my $noeditbutton = 1;
+        my ($cnum,$cdom);
         if ($env{'request.course.id'}) {
             $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
             $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
-            $perms{'mdc'} = &Apache::lonnet::allowed('mdc',$env{'request.course.id'});
-            my @privs;
-            if ($env{'request.symb'} ne '') {
-                if ($env{'request.filename'}=~/$LONCAPA::assess_re/) {
-                    push(@privs,('mgr','vgr'));
+        }
+        if ($env{'user.author'}) {
+            if ($env{'request.role'}=~/^(aa|ca|au)/) {
+#
+# We have the role of an author
+#
+                # Set defaults for authors
+                my ($top,$bottom) = ('con-','struct');
+                my $action = "go('/priv/".$env{'user.domain'}.'/'.$env{'user.name'}."');";
+                my $cadom  = $env{'request.role.domain'};
+                my $caname = $env{'user.name'};
+                my $desc = "Enter my construction space";
+                # Set defaults for co-authors
+                if ($env{'request.role'} =~ /^ca/) { 
+                    ($cadom,$caname)=($env{'request.role'}=~/($match_domain)\/($match_username)$/);
+                    ($top,$bottom) = ('co con-','struct');
+                    $action = "go('/priv/".$cadom.'/'.$caname."');";
+                    $desc = "Enter construction space as co-author";
+                } elsif ($env{'request.role'} =~ /^aa/) {
+                    ($cadom,$caname)=($env{'request.role'}=~/($match_domain)\/($match_username)$/);
+                    ($top,$bottom) = ('co con-','struct');
+                    $action = "go('/priv/".$cadom.'/'.$caname."');";
+                    $desc = "Enter construction space as assistant co-author";
+                }
+                # Check that we are on the correct machine
+                my $home = &Apache::lonnet::homeserver($caname,$cadom);
+		my $allowed=0;
+		my @ids=&Apache::lonnet::current_machine_ids();
+		foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
+		if (!$allowed) {
+		    $editbutton=&switch('','',6,1,$top,,$bottom,$action,$desc);
+                    $noeditbutton = 0;
                 }
-                push(@privs,'opa');
             }
-            foreach my $priv (@privs) {
-                $perms{$priv} = &Apache::lonnet::allowed($priv,$env{'request.course.id'});
-                if (!$perms{$priv} && $env{'request.course.sec'} ne '') {
-                    $perms{$priv} =
-                        &Apache::lonnet::allowed($priv,"$env{'request.course.id'}/$env{'request.course.sec'}");
+#
+# We are an author for some stuff, but currently do not have the role of author.
+# Figure out if we have authoring privileges for the resource we are looking at.
+# This should maybe become a privilege check in lonnet
+#
+            ##
+            ## Determine if user can edit url.
+            ##
+            my $cfile='';
+            my $cfuname='';
+            my $cfudom='';
+            my $uploaded;
+            my $switchserver='';
+            my $home;
+            if ($env{'request.filename'}) {
+                my $file=&Apache::lonnet::declutter($env{'request.filename'});
+                if (defined($cnum) && defined($cdom)) {
+                    $uploaded = &is_course_upload($file,$cnum,$cdom);
+                }
+                if (!$uploaded) {
+
+                    $file=~s{^(priv/$match_domain/$match_username)}{/$1};
+                    $file=~s{^($match_domain/$match_username)}{/priv/$1};
+
+                    # Check that the user has permission to edit this resource
+                    my $setpriv = 1;
+                    ($cfuname,$cfudom)=&Apache::loncacc::constructaccess($file,$setpriv);
+                    if (defined($cfudom)) {
+		        $home=&Apache::lonnet::homeserver($cfuname,$cfudom);
+		        my $allowed=0;
+		        my @ids=&Apache::lonnet::current_machine_ids();
+		        foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
+		        if ($allowed) {
+                            $cfile=$file;
+                        } else {
+                            $switchserver=$file;
+                        }
+                    }
                 }
             }
-#
-# Determine whether or not to show Grades and Submissions buttons
-#
-            if ($env{'request.symb'} ne '' &&
-                $env{'request.filename'}=~/$LONCAPA::assess_re/) {
-                if ($perms{'mgr'}) {
-                    $hwkadd.= &switch('','',7,2,'pgrd.png','Content Grades',
-                                      'grades[_4]',
-                                      "gocmd('/adm/grades','gradingmenu')",
-                                      'Content Grades');
-                } elsif ($perms{'vgr'}) {
-                    $hwkadd .= &switch('','',7,2,'subm.png','Content Submissions',
-                                       'missions[_1]',
-                                       "gocmd('/adm/grades','submission')",
-                                       'Content Submissions');
+            # Finally, turn the button on or off
+            if (($cfile || $switchserver) && !$const_space) {
+                my $nocrsedit;
+                # Suppress display where CC has switched to student role.
+                if ($env{'request.course.id'}) {
+                    unless(&Apache::lonnet::allowed('mdc',
+                                                    $env{'request.course.id'})) {
+                        $nocrsedit = 1;
+                    }
                 }
+                if ($nocrsedit) {
+                    $editbutton=&clear(6,1);
+                } else {
+                    my $bot = "go('$cfile')";
+                    if ($switchserver) {
+                        if ( $env{'request.symb'} && $env{'request.course.id'} ) {
+                            $cfile = '/adm/switchserver?otherserver='.$home.'&amp;role='.
+                                     &HTML::Entities::encode($env{'request.role'},'"<>&').'&amp;symb='.
+                                     &HTML::Entities::encode($env{'request.symb'},'"<>&');
+                            $bot = "need_switchserver('$cfile');";
+                        }
+                    }
+                    $editbutton=&switch
+                       ('','',6,1,'pcstr.png','Edit','resource[_2]',
+                        $bot,"Edit this resource");
+                    $noeditbutton = 0;
+                }
+            } elsif ($editbutton eq '') {
+                $editbutton=&clear(6,1);
             }
-            if (($env{'request.symb'} ne '') && ($perms{'opa'})) {
-                $hwkadd .= &switch('','',7,3,'pparm.png','Content Settings',
-                                   'parms[_2]',"gocmd('/adm/parmset','set')",
-                                   'Content Settings');
+        }
+        if (($noeditbutton) && ($env{'request.filename'})) { 
+            if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
+                my $file=&Apache::lonnet::declutter($env{'request.filename'});
+                if (defined($cnum) && defined($cdom)) {
+                    if (&is_course_upload($file,$cnum,$cdom)) {
+                        my $cfile = &edit_course_upload($file,$cnum,$cdom);
+                        if ($cfile) {
+                            $editbutton=&switch
+                                        ('','',6,1,'pcstr.png','Edit',
+                                         'resource[_2]',"go('".$cfile."');",
+                                         'Edit this resource');
+                        }
+                    }
+                }
             }
-# End grades/submissions check
-
-#
-# This applies to items inside a folder/page modifiable in the course.
-#
-            if (($env{'request.symb'}=~/^uploaded/) && ($perms{'mdc'})) {
-                my $text = 'Edit Folder';
-                if (($mapurl =~ /\.page$/) ||
-                    ($env{'request.symb'}=~
-                         m{uploaded/$cdom/$cnum/default_\d+\.page$}))  {
-                    $text = 'Edit Page';
+        }
+        if ($env{'request.course.id'}) {
+            if ($resurl eq "public/$cdom/$cnum/syllabus") {
+                if ($env{'course.'.$env{'request.course.id'}.'.externalsyllabus'} =~ /\w/) {
+                    if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
+                        $editbutton=&switch('','',6,1,'pcstr.png','Edit',
+                                            'resource[_2]',
+                                            "go('/adm/courseprefs?phase=display&actions=courseinfo')",
+                                            'Edit this resource');
+                    }
                 }
-                $hwkadd .= &switch('','',7,4,'docs-22x22.png',$text,'parms[_2]',
-                                   "gocmd('/adm/coursedocs','direct')",
-                                   'Folder/Page Content');
             }
-# End modifiable folder/page container check
         }
-# End course context
-
+        ###
+        ###
 # Prepare the rest of the buttons
-        my ($menuitems,$got_prt,$got_wishlist,$cstritems);
+        my ($menuitems,$got_prt,$got_wishlist);
         if ($const_space) {
 #
 # We are in construction space
@@ -805,32 +689,27 @@ s&6&3&pub.png&Publish&resource[_3]&gocst
 s&7&1&del.png&Delete&resource[_2]&gocstr('/adm/cfile?action=delete','/priv/$udom/$uname/$cleandisfn')&Delete this resource
 s&7&2&prt.png&Print&printout[_1]&gocstr('/adm/printout','/priv/$udom/$uname/$cleandisfn')&Prepare a printable document
 ENDMENUITEMS
-                unless ($noremote) {
-                    $cstritems = $menuitems;
-                    undef($menuitems);
-                }
             }
-            if (ref($bread_crumbs) eq 'ARRAY') {
-                &Apache::lonhtmlcommon::clear_breadcrumbs();
-                foreach my $crumb (@{$bread_crumbs}){
-                     &Apache::lonhtmlcommon::add_breadcrumb($crumb);
+                if (ref($bread_crumbs) eq 'ARRAY') {
+                    &Apache::lonhtmlcommon::clear_breadcrumbs();
+                    foreach my $crumb (@{$bread_crumbs}){
+                        &Apache::lonhtmlcommon::add_breadcrumb($crumb);
+                    }
                 }
-            }
         } elsif ( defined($env{'request.course.id'}) && 
 		 $env{'request.symb'} ne '' ) {
 #
 # We are in a course and looking at a registered URL
 # Should probably be in mydesk.tab
 #
-
 	    $menuitems=(<<ENDMENUITEMS);
 c&3&1
-s&2&1&back.png&$swtext{'back'}&&gopost('/adm/flip','back:'+currentURL)&Previous content resource&&1
-s&2&3&forw.png&$swtext{'forw'}&&gopost('/adm/flip','forward:'+currentURL)&Next content resource&&3
+s&2&1&back.png&&&gopost('/adm/flip','back:'+currentURL)&Previous content resource&&1
+s&2&3&forw.png&&&gopost('/adm/flip','forward:'+currentURL)&Next content resource&&3
 c&6&3
 c&8&1
 c&8&2
-s&8&3&prt.png&$swtext{'prt'}&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
+s&8&3&prt.png&Print&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
 ENDMENUITEMS
             $got_prt = 1;
             if (($env{'user.adv'}) && ($env{'request.uri'} =~ /^\/res/)
@@ -838,7 +717,7 @@ ENDMENUITEMS
                 # wishlist is only available for users with access to resource-pool
                 # and links can only be set for resources within the resource-pool
                 $menuitems .= (<<ENDMENUITEMS);
-s&9&1&alnk.png&$swtext{'alnk'}&linkstor[_1]&set_wishlistlink()&Save a link for this resource in your personal Stored Links repository&&1
+s&9&1&wishlist-link.png&Stored Links&wishlistlink[_2]&set_wishlistlink()&Save a link for this resource in your personal Stored Links repository&&1
 ENDMENUITEMS
                 $got_wishlist = 1;
             }
@@ -852,29 +731,29 @@ if(length($annotation) > 0){
 }else{
 	$menuitems.="anot.png";
 }
-$menuitems.="&$swtext{'anot'}&tations[_1]&annotate()&";
+$menuitems.="&Notes&&annotate()&";
 $menuitems.="Make notes and annotations about this resource&&1\n";
 
             unless ($env{'request.noversionuri'}=~/\/(bulletinboard|smppg|navmaps|syllabus|aboutme|viewclasslist|portfolio)(\?|$)/) {
 		if ((!$env{'request.enc'}) && ($env{'request.noversionuri'} !~ m{^/adm/wrapper/ext/}) && ($env{'request.noversionuri'} !~ m{^/uploaded/$match_domain/$match_courseid/docs/})) {
 		    $menuitems.=(<<ENDREALRES);
-s&6&3&catalog.png&$swtext{'catalog'}&info[_1]&catalog_info()&Show Metadata
+s&6&3&catalog.png&Info&info[_1]&catalog_info()&Show Metadata
 ENDREALRES
                 }
                 unless ($env{'request.noversionuri'} =~ m{^/uploaded/$match_domain/$match_courseid/docs/}) {
-	            $menuitems.=(<<ENDREALRES);
-s&8&1&eval.png&$swtext{'eval'}&this[_1]&gopost('/adm/evaluate',currentURL,1)&Provide my evaluation of this resource
+                    $menuitems.=(<<ENDREALRES);
+s&8&1&eval.png&Evaluate&this[_1]&gopost('/adm/evaluate',currentURL,1)&Provide my evaluation of this resource
 ENDREALRES
                 }
                 $menuitems.=(<<ENDREALRES);
-s&8&2&fdbk.png&$swtext{'fdbk'}&discuss[_1]&gopost('/adm/feedback',currentURL,1)&Provide feedback messages or contribute to the course discussion about this resource
+s&8&2&fdbk.png&Communicate&discuss[_1]&gopost('/adm/feedback',currentURL,1)&Provide feedback messages or contribute to the course discussion about this resource
 ENDREALRES
 	    }
         }
 	if ($env{'request.uri'} =~ /^\/res/) {
             unless ($got_prt) {
 	        $menuitems .= (<<ENDMENUITEMS);
-s&8&3&prt.png&$swtext{'prt'}&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
+s&8&3&prt.png&Print&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
 ENDMENUITEMS
                 $got_prt = 1;
             }
@@ -882,21 +761,11 @@ ENDMENUITEMS
                 if (($env{'user.adv'}) && (!$env{'request.enc'})) {
                     # wishlist is only available for users with access to resource-pool
                     $menuitems .= (<<ENDMENUITEMS);
-s&9&1&alnk.png&$swtext{'alnk'}&linkstor[_1]&set_wishlistlink()&Save a link for this resource in your personal Stored Links repository&&1
+s&9&1&wishlist-link.png&Stored Links&wishlistlink[_2]&set_wishlistlink()&Save a link for this resource in your personal Stored Links repository&&1
 ENDMENUITEMS
                     $got_wishlist = 1;
                 }
-            }
-	}
-        unless ($got_prt) {
-            $menuitems .= (<<ENDMENUITEMS);
-c&8&3
-ENDMENUITEMS
-        }
-        unless ($got_wishlist) {
-            $menuitems .= (<<ENDMENUITEMS);
-c&9&1
-ENDMENUITEMS
+	    }
         }
         my $buttons='';
         foreach (split(/\n/,$menuitems)) {
@@ -916,608 +785,92 @@ ENDMENUITEMS
                 }
             }
         }
-        if ($noremote) {
+
 	    my $addremote=0;
 	    foreach (@inlineremote) { if ($_ ne '') { $addremote=1; last;} }
-            if ($addremote) {
-
-                &Apache::lonhtmlcommon::clear_breadcrumb_tools();
+    if ($addremote) {
 
-                &Apache::lonhtmlcommon::add_breadcrumb_tool(
-                    'navigation', @inlineremote[21,23]);
+        &Apache::lonhtmlcommon::clear_breadcrumb_tools();
 
-                my $countdown = &countdown_timer();
-                if (&hidden_button_check() eq 'yes') {
-                    if ($countdown) {
-                        &Apache::lonhtmlcommon::add_breadcrumb_tool('tools',$countdown);
-                    }
-                } else {
-                    my @tools = @inlineremote[93,91,81,82,83];
-                    if ($countdown) {
-                        unshift(@tools,$countdown);
-                    }
-                    &Apache::lonhtmlcommon::add_breadcrumb_tool(
-                        'tools',@tools);
+            &Apache::lonhtmlcommon::add_breadcrumb_tool(
+                'navigation', @inlineremote[21,23]);
 
-                    #publish button in construction space
-                    if ($env{'request.state'} eq 'construct'){
-                        &Apache::lonhtmlcommon::add_breadcrumb_tool(
-                            'advtools', $inlineremote[63]);
-                    } else {
-                        &Apache::lonhtmlcommon::add_breadcrumb_tool(
-                            'tools', $inlineremote[63]);
-                    }
-                    &advtools_crumbs(@inlineremote);
-                }
+        my $countdown = &countdown_timer();
+        if (&hidden_button_check() eq 'yes') {
+            if ($countdown) {
+                &Apache::lonhtmlcommon::add_breadcrumb_tool('tools',$countdown);
             }
-            return   &Apache::lonhtmlcommon::scripttag('', 'start')
-                   . &Apache::lonhtmlcommon::breadcrumbs(undef,undef,0)
-                   . &Apache::lonhtmlcommon::scripttag('', 'end');
-
         } else {
-            my $cstrcrumbs;
-            if ($const_space) {
-                foreach (split(/\n/,$cstritems)) {
-                    my ($command,@rest)=split(/\&/,$_);
-                    my $idx=10*$rest[0]+$rest[1];
-                    &switch('','',@rest);
-                }
-                &Apache::lonhtmlcommon::add_breadcrumb_tool('advtools',
-                                                            @inlineremote[63,61,71,72]);
-
-                $cstrcrumbs = &Apache::lonhtmlcommon::scripttag('', 'start')
-                             .&Apache::lonhtmlcommon::breadcrumbs(undef,undef,0)
-                             .&Apache::lonhtmlcommon::scripttag('', 'end');
-            }
-            my $requri=&Apache::lonnet::clutter(&Apache::lonnet::fixversion((split(/\?/,$env{'request.noversionuri'}))[0]));
-            $requri=&Apache::lonenc::check_encrypt(&unescape($requri));
-            my $cursymb=&Apache::lonenc::check_encrypt($env{'request.symb'});
-            my $navstatus=&get_nav_status();
-            my $clearcstr;
-
-            if ($env{'user.adv'}) { $clearcstr='clearbut(6,1)'; }
-            return <<ENDREGTHIS;
-
-<script type="text/javascript">
-// <![CDATA[
-// BEGIN LON-CAPA Internal
-var swmenu=null;
-
-    function LONCAPAreg() {
-          swmenu=$reopen;
-          swmenu.clearTimeout(swmenu.menucltim);
-          $timesync
-          $newmail
-          $buttons
-          swmenu.currentURL="$requri";
-          swmenu.reloadURL=swmenu.currentURL+window.location.search;
-          swmenu.currentSymb="$cursymb";
-          swmenu.reloadSymb="$cursymb";
-          swmenu.currentStale=0;
-          $navstatus
-          $hwkadd
-          $editbutton
-    }
-
-    function LONCAPAstale() {
-          swmenu=$reopen
-          swmenu.currentStale=1;
-          if (swmenu.reloadURL!='' && swmenu.reloadURL!= null) {
-             swmenu.switchbutton
-             (3,1,'reload.gif','return','location','go(reloadURL)','Return to the last known location in the course sequence');
-          }
-          swmenu.clearbut(7,2);
-          swmenu.clearbut(7,3);
-          swmenu.menucltim=swmenu.setTimeout(
- 'clearbut(2,1);clearbut(2,3);clearbut(8,1);clearbut(8,2);clearbut(8,3);'+
- 'clearbut(9,1);clearbut(9,3);clearbut(6,3);$clearcstr',
-                          2000);
-      }
-
-// END LON-CAPA Internal
-// ]]>
-</script>
-
-$cstrcrumbs
-ENDREGTHIS
-        }
-    } else {
-       unless ($noremote) {
-# Not registered, graphical
-           return (<<ENDDONOTREGTHIS);
-
-<script type="text/javascript">
-// <![CDATA[
-// BEGIN LON-CAPA Internal
-var swmenu=null;
-
-    function LONCAPAreg() {
-          swmenu=$reopen
-          $timesync
-          swmenu.currentStale=1;
-          swmenu.clearbut(2,1);
-          swmenu.clearbut(2,3);
-          swmenu.clearbut(8,1);
-          swmenu.clearbut(8,2);
-          swmenu.clearbut(8,3);
-          swmenu.clearbut(9,1);
-          if (swmenu.currentURL) {
-             swmenu.switchbutton
-              (3,1,'reload.gif','return','location','go(currentURL)');
-          } else {
-              swmenu.clearbut(3,1);
-          }
-    }
-
-    function LONCAPAstale() {
-    }
-
-// END LON-CAPA Internal
-// ]]>
-</script>
-ENDDONOTREGTHIS
+            my @tools = @inlineremote[93,91,81,82,83];
+            if ($countdown) {
+                unshift(@tools,$countdown);
+            }
+            &Apache::lonhtmlcommon::add_breadcrumb_tool(
+                'tools',@tools);
 
+            #publish button in construction space
+            if ($env{'request.state'} eq 'construct'){
+                &Apache::lonhtmlcommon::add_breadcrumb_tool(
+                     'advtools', $inlineremote[63]);
+            } else {
+                &Apache::lonhtmlcommon::add_breadcrumb_tool(
+                     'tools', $inlineremote[63]);
+            }
+            
+            unless ($env{'request.noversionuri'}=~ m{^/adm/(navmaps|viewclasslist)(\?|$)}) {
+                &Apache::lonhtmlcommon::add_breadcrumb_tool(
+                    'advtools', @inlineremote[61,71,72,73,74,92]);
+            }
         }
-        return '';
-    }
-}
-
-sub get_inline_text {
-    my %text = (
-                 pgrd     => 'Content Grades',
-                 subm     => 'Content Submissions',
-                 pparm    => 'Content Settings',
-                 docs     => 'Folder/Page Content',
-                 pcstr    => 'Edit',
-                 prt      => 'Print',
-                 alnk     => 'Stored Links',
-                 anot     => 'Notes',
-                 catalog  => 'Info',
-                 eval     => 'Evaluate',
-                 fdbk     => 'Feedback',
-    );
-    return %text;
-}
-
-sub get_rc_text {
-    my %text = (
-                   pgrd    => 'problem[_1]',
-                   subm    => 'view sub-[_1]',
-                   pparm   => 'problem[_2]',
-                   pcstr   => 'edit[_1]',
-                   prt     => 'prepare[_1]',
-                   back    => 'backward[_1]',
-                   forw    => 'forward[_1]',
-                   alnk    => 'add to[_1]',
-                   anot    => 'anno-[_1]',
-                   catalog => 'catalog[_2]',
-                   eval    => 'evaluate[_1]',
-                   fdbk    => 'feedback[_1]',
-    );
-    return %text;
-}
-
-sub loadevents() {
-    if ($env{'request.state'} eq 'construct' ||
-        $env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
-    return 'LONCAPAreg();';
-}
-
-sub unloadevents() {
-    if ($env{'request.state'} eq 'construct' ||
-        $env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
-    return 'LONCAPAstale();';
-}
-
-sub startupremote {
-    my ($lowerurl)=@_;
-    unless ($env{'environment.remote'} eq 'on') {
-        return ('<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.$lowerurl.'" />');
     }
-#
-# The Remote actually gets launched!
-#
-    my $configmenu=&rawconfig();
-    my $esclowerurl=&escape($lowerurl);
-    my $message=&mt('"Waiting for Remote Control window to load: "+[_1]','waited');
-    return(<<ENDREMOTESTARTUP);
-<script type="text/javascript">
-// <![CDATA[
-var timestart;
-function wheelswitch() {
-    if (typeof(document.wheel) != 'undefined') {
-        if (typeof(document.wheel.spin) != 'undefined') {
-            var date=new Date();
-            var waited=Math.round(30-((date.getTime()-timestart)/1000));
-            document.wheel.spin.value=$message;
-        }
-    }
-   if (window.status=='|') {
-      window.status='/';
-   } else {
-      if (window.status=='/') {
-         window.status='-';
-      } else {
-         if (window.status=='-') {
-            window.status='\\\\';
-         } else {
-            if (window.status=='\\\\') { window.status='|'; }
-         }
-      }
-   }
-}
-
-// ---------------------------------------------------------- The wait function
-var canceltim;
-function wait() {
-   if ((menuloaded==1) || (tim==1)) {
-      window.status='Done.';
-      if (tim==0) {
-         clearTimeout(canceltim);
-         $configmenu
-         window.location='$lowerurl';
-      } else {
-          window.location='/adm/remote?action=collapse&url=$esclowerurl';
-      }
-   } else {
-      wheelswitch();
-      setTimeout('wait();',200);
-   }
-}
-
-function main() {
-   canceltim=setTimeout('tim=1;',30000);
-   window.status='-';
-   var date=new Date();
-   timestart=date.getTime();
-   wait();
-}
-
-// ]]>
-</script>
-ENDREMOTESTARTUP
-}
-
-sub setflags() {
-    return(<<ENDSETFLAGS);
-<script type="text/javascript">
-// <![CDATA[
-    menuloaded=0;
-    tim=0;
-// ]]>
-</script>
-ENDSETFLAGS
-}
-
-sub maincall() {
-    unless ($env{'environment.remote'} eq 'on') { return ''; }
-    return(<<ENDMAINCALL);
-<script type="text/javascript">
-// <![CDATA[
-    main();
-// ]]>
-</script>
-ENDMAINCALL
-}
-
-sub load_remote_msg {
-    my ($lowerurl)=@_;
-
-    unless ($env{'environment.remote'} eq 'on') { return ''; }
-
-    my $esclowerurl=&escape($lowerurl);
-    my $link=&mt('[_1]Continue[_2] on in Inline Menu mode'
-                ,'<a href="/adm/remote?action=collapse&amp;url='.$esclowerurl.'">'
-                ,'</a>');
-    return(<<ENDREMOTEFORM);
-<p>
-<form name="wheel">
-<input name="spin" type="text" size="60" />
-</form>
-</p>
-<p>$link</p>
-ENDREMOTEFORM
-}
-
-sub get_menu_name {
-    my $hostid = $Apache::lonnet::perlvar{'lonHostID'};
-    $hostid =~ s/\W//g;
-    return 'LCmenu'.$hostid;
-}
-
 
-sub reopenmenu {
-   unless ($env{'environment.remote'} eq 'on') { return ''; }
-   my $menuname = &get_menu_name();
-   my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
-   return('window.open('.$nothing.',"'.$menuname.'","",false);');
+    return   &Apache::lonhtmlcommon::scripttag('', 'start')
+           . &Apache::lonhtmlcommon::breadcrumbs(undef,undef,0)
+           . &Apache::lonhtmlcommon::scripttag('', 'end');
 }
 
-
-sub open {
-    my $returnval='';
-    unless ($env{'environment.remote'} eq 'on') {
-        return
-        '<script type="text/javascript">'."\n"
-       .'// <![CDATA['."\n"
-       .'self.name="loncapaclient";'."\n"
-       .'// ]]>'."\n"
-       .'</script>';
-    }
-    my $menuname = &get_menu_name();
-
-#    unless (shift eq 'unix') {
-# resizing does not work on linux because of virtual desktop sizes
-#       $returnval.=(<<ENDRESIZE);
-#if (window.screen) {
-#    self.resizeTo(screen.availWidth-215,screen.availHeight-55);
-#    self.moveTo(190,15);
-#}
-#ENDRESIZE
-#    }
-    $returnval=(<<ENDOPEN);
-// <![CDATA[
-window.status='Opening LON-CAPA Remote Control';
-var menu=window.open("/res/adm/pages/menu.html?inhibitmenu=yes","$menuname",
-"height=375,width=150,scrollbars=no,menubar=no,top=5,left=5,screenX=5,screenY=5");
-self.name='loncapaclient';
-// ]]>
-ENDOPEN
-    return '<script type="text/javascript">'.$returnval.'</script>';
-}
-
-sub get_editbutton {
-    my ($cfile,$home,$switchserver,$forceedit,$forceview,$forcereg) = @_;
-    my $jscall;
-    if (($forceview) && ($env{'form.todocs'})) {
-        my ($folderpath,$command);
-        if ($env{'request.symb'}) {
-            $folderpath = &Apache::loncommon::symb_to_docspath($env{'request.symb'});
-        } elsif ($env{'form.folderpath'} =~ /^supplemental/) {
-            $folderpath = $env{'form.folderpath'};
-            $command = '&forcesupplement=1';
-        }
-        $folderpath = &escape(&HTML::Entities::encode(&escape($folderpath),'<>&"'));
-        $jscall = "go('/adm/coursedocs?folderpath=$folderpath$command')";
-    } else {
-        $jscall = &Apache::lonhtmlcommon::jump_to_editres($cfile,$home,$switchserver,
-                                                $forceedit,$forcereg,$env{'request.symb'},
-                                                &escape($env{'form.folderpath'}),
-                                                &escape($env{'form.title'}),$env{'form.idx'},
-                                                &escape($env{'form.suppurl'},$env{'form.todocs'}));
-    }
-    if ($jscall) {
-        my $icon = 'pcstr.png';
-        my $label = 'Edit';
-        if ($forceview) {
-            $icon = 'tolastloc.png';
-            $label = 'Exit Editing';
-        }
-        my $infunc = 1;
-        my $clearbutton;
-        if ($env{'environment.remote'} eq 'on') {
-            if ($cfile =~ m{^/priv/}) {
-                undef($infunc);
-                $label = 'edit';
-            } else {
-                $clearbutton = 1;
-            }
-        }
-        my $editor = &switch('','',6,1,$icon,$label,'resource[_2]',
-                             $jscall,"Edit this resource",'','',$infunc);
-        if ($infunc) {
-            return 1;
-        } elsif ($clearbutton) {
-            return &clear(6,1);
-        } else {
-            return $editor;
-        }
+sub is_course_upload {
+    my ($file,$cnum,$cdom) = @_;
+    my $uploadpath = &LONCAPA::propath($cdom,$cnum);
+    $uploadpath =~ s{^\/}{};
+    if (($file =~ m{^\Q$uploadpath\E/userfiles/docs/}) ||
+        ($file =~ m{^userfiles/\Q$cdom\E/\Q$cnum\E/docs/})) {
+        return 1;
     }
     return;
 }
 
-sub prepare_functions {
-    my ($resurl,$forcereg,$group,$bread_crumbs,$advtools,$docscrumbs,$forbodytag) = @_;
-    unless ($env{'request.registered'}) {
-        undef(@inlineremote);
-    }
-    my ($cdom,$cnum,%perms,$cfile,$switchserver,$home,$forceedit,
-        $forceview);
-
-    if ($env{'request.course.id'}) {
-        $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
-        $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
-        $perms{'mdc'} = &Apache::lonnet::allowed('mdc',$env{'request.course.id'});
-    }
-
-    my $editbutton = '';
-#
-# Determine whether or not to display 'Edit' icon/button
-#
-    if ($resurl =~ m{^/?adm/($match_domain)/($match_username)/aboutme$}) {
-        my $file=&Apache::lonnet::declutter($env{'request.filename'});
-        ($cfile,$home,$switchserver,$forceedit,$forceview) =
-            &Apache::lonnet::can_edit_resource($file,$cnum,$cdom,
-                &Apache::lonnet::clutter($resurl),$env{'request.symb'},$group);
-        if (($cfile) && ($home ne '') && ($home ne 'no_host')) {
-            $editbutton = &get_editbutton($cfile,$home,$switchserver,
-                                          $forceedit,$forceview,$forcereg);
-        }
-    } elsif ((!$env{'request.course.id'}) &&
-             ($env{'user.author'}) && ($env{'request.filename'}) &&
-             ($env{'request.role'} !~/^(aa|ca|au)/)) {
-#
-# Currently do not have the role of author or co-author.
-# Do we have authoring privileges for the resource?
-#
-        my $file=&Apache::lonnet::declutter($env{'request.filename'});
-        ($cfile,$home,$switchserver,$forceedit,$forceview) =
-            &Apache::lonnet::can_edit_resource($file,$cnum,$cdom,
-                &Apache::lonnet::clutter($resurl),$env{'request.symb'},$group);
-        if (($cfile) && ($home ne '') && ($home ne 'no_host')) {
-            $editbutton = &get_editbutton($cfile,$home,$switchserver,
-                                          $forceedit,$forceview,$forcereg);
-        }
-    } elsif ($env{'request.course.id'}) {
-#
-# This applies in course context
-#
-        if (($perms{'mdc'}) &&
-            (($resurl eq "/public/$cdom/$cnum/syllabus") ||
-            ($resurl =~ m{^/uploaded/$cdom/$cnum/portfolio/syllabus/}))) {
-            $cfile = $resurl;
-            $home = &Apache::lonnet::homeserver($cnum,$cdom);
-            if ($env{'form.forceedit'}) {
-                $forceview = 1;
-            } else {
-                $forceedit = 1;
-            }
-            $editbutton = &get_editbutton($cfile,$home,$switchserver,
-                                          $forceedit,$forceview,$forcereg);
-        } elsif (($resurl eq '/adm/extresedit') &&
-                 (($env{'form.symb'}) || ($env{'form.folderpath'}))) {
-            ($cfile,$home,$switchserver,$forceedit,$forceview) =
-            &Apache::lonnet::can_edit_resource($resurl,$cnum,$cdom,$resurl,
-                                               $env{'form.symb'});
-            if ($cfile ne '') {
-                $editbutton = &get_editbutton($cfile,$home,$switchserver,
-                                              $forceedit,$forceview,$forcereg,
-                                              $env{'form.title'},$env{'form.suppurl'});
-            }
-        } elsif (($resurl =~ m{^/?adm/viewclasslist$}) &&
-                 (&Apache::lonnet::allowed('opa',$env{'request.course.id'}))) {
-            ($cfile,$home,$switchserver,$forceedit,$forceview) =
-            &Apache::lonnet::can_edit_resource($resurl,$cnum,$cdom,$resurl,
-                                               $env{'form.symb'});
-            $editbutton = &get_editbutton($cfile,$home,$switchserver,
-                                          $forceedit,$forceview,$forcereg);
-        } elsif (($resurl !~ m{^/?adm/($match_domain)/($match_username)/aboutme$}) &&
-                 ($resurl ne '/cgi-bin/printout.pl')) {
-            if ($env{'request.filename'}) {
-                my $file=&Apache::lonnet::declutter($env{'request.filename'});
-                ($cfile,$home,$switchserver,$forceedit,$forceview) =
-                    &Apache::lonnet::can_edit_resource($file,$cnum,$cdom,
-                        &Apache::lonnet::clutter($resurl),$env{'request.symb'},$group);
-                if ($cfile ne '') {
-                    $editbutton = &get_editbutton($cfile,$home,$switchserver,
-                                                  $forceedit,$forceview,$forcereg);
-                }
-            }
-        }
-    }
-# End determination of 'Edit' icon/button display
-
-    if ($env{'request.course.id'}) {
-# This applies to about me page for users in a course
-        if ($resurl =~ m{^/?adm/($match_domain)/($match_username)/aboutme$}) {
-            my ($sdom,$sname) = ($1,$2);
-            unless (&Apache::lonnet::is_course($sdom,$sname)) {
-                &switch('','',6,4,'mail-message-new-22x22.png','Message to user',
-                        '',
-                        "go('/adm/email?compose=individual&amp;recname=$sname&amp;recdom=$sdom')",
-                            'Send message to specific user','','',1);
-            }
-            my $hideprivileged = 1;
-            if (&Apache::lonnet::in_course($sdom,$sname,$cdom,$cnum,undef,
-                                           $hideprivileged)) {
-                foreach my $priv ('vsa','vgr','srm') {
-                    $perms{$priv} = &Apache::lonnet::allowed($priv,$env{'request.course.id'});
-                    if (!$perms{$priv} && $env{'request.course.sec'} ne '') {
-                        $perms{$priv} =
-                            &Apache::lonnet::allowed($priv,"$env{'request.course.id'}/$env{'request.course.sec'}");
-                    }
-                }
-                if ($perms{'vsa'}) {
-                    &switch('','',6,5,'trck-22x22.png','Activity',
-                            '',
-                            "go('/adm/trackstudent?selected_student=$sname:$sdom')",
-                            'View recent activity by this person','','',1);
-                }
-                if ($perms{'vgr'}) {
-                    &switch('','',6,6,'rsrv-22x22.png','Reservations',
-                            '',
-                            "go('/adm/slotrequest?command=showresv&amp;origin=aboutme&amp;uname=$sname&amp;udom=$sdom')",
-                            'Slot reservation history','','',1);
-                }
-                if ($perms{'srm'}) {
-                    &switch('','',6,7,'contact-new-22x22.png','Records',
-                            '',
-                            "go('/adm/email?recordftf=retrieve&amp;recname=$sname&amp;recdom=$sdom')",
-                            'Add records','','',1);
-                }
-            }
-        }
-        if (($env{'form.folderpath'} =~ /^supplemental/) &&
-            (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) &&
-            (($resurl =~ m{^/adm/wrapper/ext/}) ||
-             ($resurl =~ m{^/uploaded/$cdom/$cnum/supplemental/}) ||
-             ($resurl eq '/adm/supplemental') ||
-             ($resurl =~ m{^/public/$cdom/$cnum/syllabus$}) ||
-             ($resurl =~ m{^/adm/$match_domain/$match_username/aboutme$}))) {
-            my @folders=split('&',$env{'form.folderpath'});
-            if ((@folders > 2) || ($resurl ne '/adm/supplemental')) {
-                my $esc_path=&escape(&HTML::Entities::encode(&escape($env{'form.folderpath'}),'<>&"'));
-                &switch('','',7,4,'docs-22x22.png','Edit Folder','parms[_2]',
-                        "location.href='/adm/coursedocs?command=direct&amp;forcesupplement=1&amp;supppath=$esc_path'",
-                        'Folder/Page Content','','',1);
+sub edit_course_upload {
+    my ($file,$cnum,$cdom) = @_;
+    my $cfile;
+    if ($file =~/\.(htm|html|css|js|txt)$/) {
+        my $ext = $1;
+        my $url = &Apache::lonnet::hreflocation('',$file);
+        my $home = &Apache::lonnet::homeserver($cnum,$cdom);
+        my @ids=&Apache::lonnet::current_machine_ids();
+        my $dest;
+        if ($home && grep(/^\Q$home\E$/,@ids)) {
+            $dest = $url.'?forceedit=1';
+        } else {
+            unless (&Apache::lonnet::get_locks()) {
+                $dest = '/adm/switchserver?otherserver='.
+                        $home.'&role='.$env{'request.role'}.
+                        '&url='.$url.'&forceedit=1';
             }
         }
-    }
-
-# End checking for items for about me page for users in a course
-    if ($docscrumbs) {
-        &Apache::lonhtmlcommon::clear_breadcrumb_tools();
-        &advtools_crumbs(@inlineremote);
-        return $editbutton;
-    } elsif (($env{'request.registered'}) && (!ref($forbodytag))) {
-        return $editbutton;
-    } else {
-        if (ref($bread_crumbs) eq 'ARRAY') {
-            if (@inlineremote > 0) {
-                if (ref($advtools) eq 'ARRAY') {
-                    @{$advtools} = @inlineremote;
-                }
-            }
-            return;
-        } elsif (@inlineremote > 0) {
-            &Apache::lonhtmlcommon::clear_breadcrumb_tools();
-            &advtools_crumbs(@inlineremote);
-            if (ref($forbodytag)) {
-                $$forbodytag =
-                    &Apache::lonhtmlcommon::scripttag('', 'start')
-                   .&Apache::lonhtmlcommon::breadcrumbs(undef,undef,0)
-                   .&Apache::lonhtmlcommon::scripttag('', 'end');
-            }
-            return;
+        if ($dest) {
+            $cfile = &HTML::Entities::encode($dest,'"<>&');
         }
     }
-}
-
-sub advtools_crumbs {
-    my @funcs = @_;
-    if ($env{'request.noversionuri'} =~ m{^/adm/$match_domain/$match_username/aboutme$}) {
-        &Apache::lonhtmlcommon::add_breadcrumb_tool(
-            'advtools', @funcs[61,64,65,66,67,74]);
-    } elsif ($env{'request.noversionuri'} !~ m{^/adm/(navmaps|viewclasslist)(\?|$)}) {
-        &Apache::lonhtmlcommon::add_breadcrumb_tool(
-            'advtools', @funcs[61,71,72,73,74,92]);
-    } elsif ($env{'request.noversionuri'} eq '/adm/viewclasslist') {
-        &Apache::lonhtmlcommon::add_breadcrumb_tool(
-            'advtools', $funcs[61]);
-    }
+    return $cfile;
 }
 
 # ================================================================== Raw Config
 
 sub clear {
     my ($row,$col)=@_;
-    if ($env{'environment.remote'} eq 'on') {
-       if (($row<1) || ($row>13)) { return ''; }
-       return "\n".qq(window.status+='.';swmenu.clearbut($row,$col););
-    } else {
-        $inlineremote[10*$row+$col]='';
-        return '';
-    }
+    $inlineremote[10*$row+$col]='';
+    return ''; 
 }
 
 # ============================================ Switch a button or create a link
@@ -1525,7 +878,7 @@ sub clear {
 # The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
 
 sub switch {
-    my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat,$nobreak,$infunc)=@_;
+    my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat,$nobreak)=@_;
     $act=~s/\$uname/$uname/g;
     $act=~s/\$udom/$udom/g;
     $top=&mt($top);
@@ -1534,24 +887,6 @@ sub switch {
     my $idx=10*$row+$col;
     $category_members{$cat}.=':'.$idx;
 
-    if (($env{'environment.remote'} eq 'on') && (!$infunc)) {
-        if (($row<1) || ($row>13)) { return ''; }
-        if ($env{'request.state'} eq 'construct') {
-            my $text = $top.' '.$bot;
-            $text=~s/\s*\-\s*//gs;
-            my $pic = '<img alt="'.$text.'" src="'.
-                      &Apache::loncommon::lonhttpdurl('/res/adm/pages/'.$img).
-                      '" align="'.($nobreak==3?'right':'left').'" class="LC_icon" />';
-           $inlineremote[$idx] =
-               '<a title="'.$desc.'" class="LC_menubuttons_link" href="javascript:'.$act.';">'.
-               $pic.'<span class="LC_menubuttons_inline_text">'.$top.'&nbsp;</span></a>';
-        }
-# Remote
-        $img=~s/\.png$/\.gif/;
-        return "\n".
- qq(window.status+='.';swmenu.switchbutton($row,$col,"$img","$top","$bot","$act","$desc"););
-    }
-
 # Inline Menu
     if ($nobreak==2) { return ''; }
     my $text=$top.' '.$bot;
@@ -1586,7 +921,7 @@ sub switch {
         unless ($env{'request.state'} eq 'construct') {
             push(@tools,63);
         }
-        if (($env{'environment.icons'} eq 'iconsonly') &&
+        if (($env{'environment.icons'} eq 'iconsonly') && 
             (grep(/^$idx$/,@tools))) {
             $inlineremote[$idx] =
         '<a title="'.$desc.'" class="LC_menubuttons_link" href="javascript:'.$act.';">'.$pic.'</a>';
@@ -1613,13 +948,6 @@ sub secondlevel {
     return $output;
 }
 
-sub openmenu {
-    my $menuname = &get_menu_name();
-    unless ($env{'environment.remote'} eq 'on') { return ''; }
-    my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
-    return "window.open(".$nothing.",'".$menuname."');";
-}
-
 sub inlinemenu {
     undef(@inlineremote);
     undef(%category_members);
@@ -1662,13 +990,7 @@ sub rawconfig {
 #
     my $textualoverride=shift;
     my $output='';
-    if ($env{'environment.remote'} eq 'on') {
-       $output.=
- "window.status='Opening Remote Control';var swmenu=".&openmenu().
-"\nwindow.status='Configuring Remote Control ';";
-    } else {
-        unless ($textualoverride) { return ''; }
-    }
+    return '' unless $textualoverride;
     my $uname=$env{'user.name'};
     my $udom=$env{'user.domain'};
     my $adv=$env{'user.adv'};
@@ -1843,12 +1165,6 @@ sub rawconfig {
           $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
         }
     }
-    if ($env{'environment.remote'} eq 'on') {
-        $output.="\nwindow.status='Synchronizing Time';swmenu.syncclock(1000*".time.");\nwindow.status='Remote Control Configured.';";
-        if (&Apache::lonmsg::newmail()) {
-            $output.='swmenu.setstatus("you have","messages");';
-        }
-    }
     return $output;
 }
 
@@ -1874,28 +1190,6 @@ sub check_for_rcrs {
     return $showreqcrs;
 }
 
-# ======================================================================= Close
-
-sub close {
-    unless ($env{'environment.remote'} eq 'on') { return ''; }
-    my $menuname = &get_menu_name();
-    return(<<ENDCLOSE);
-<script type="text/javascript">
-// <![CDATA[
-window.status='Accessing Remote Control';
-menu=window.open("/adm/rat/empty.html","$menuname",
-                 "height=350,width=150,scrollbars=no,menubar=no");
-window.status='Disabling Remote Control';
-menu.active=0;
-menu.autologout=0;
-window.status='Closing Remote Control';
-menu.close();
-window.status='Done.';
-// ]]>
-</script>
-ENDCLOSE
-}
-
 sub dc_popup_js {
     my %lt = &Apache::lonlocal::texthash(
                                           more => '(More ...)',
@@ -1970,7 +1264,8 @@ sub utilityfunctions {
     my $end_page_annotate = 
         &Apache::loncommon::end_page({'js_ready' => 1});
 
-    my $jumptores = &Apache::lonhtmlcommon::javascript_jumpto_resource();
+    my $confirm_switch = &mt("Editing requires switching to the resource's home server.").'\n'.
+                         &mt('Switch server?');
 
     my $esc_url=&escape($currenturl);
     my $esc_symb=&escape($currentsymb);
@@ -1993,7 +1288,14 @@ function go(url) {
    }
 }
 
-$jumptores
+function need_switchserver(url) {
+    if (url!='' && url!= null) {
+        if (confirm("$confirm_switch")) {
+            go(url); 
+        }
+    }
+    return;
+}
 
 function gopost(url,postdata) {
    if (url!='') {
@@ -2154,16 +1456,6 @@ sub constspaceform {
 ENDCONSTSPACEFORM
 }
 
-sub get_nav_status {
-    my $navstatus="swmenu.w_loncapanav_flag=";
-    if ($env{'environment.remotenavmap'} eq 'on') {
-        $navstatus.="1";
-    } else {
-        $navstatus.="-1";
-    }
-    return $navstatus;
-}
-
 sub hidden_button_check {
     if ( $env{'request.course.id'} eq ''
          || $env{'request.role.adv'} ) {
@@ -2180,29 +1472,15 @@ sub roles_selector {
     my $now = time;
     my (%courseroles,%seccount,%courseprivs);
     my $is_cc;
-    my ($js,$form,$switcher,$switchtext);
+    my $role_selector;
     my $ccrole;
     if ($crstype eq 'Community') {
         $ccrole = 'co';
     } else {
         $ccrole = 'cc';
     }
-    my ($priv,$gotsymb,$destsymb);
+    my $priv;
     my $destinationurl = $ENV{'REQUEST_URI'};
-    if ($destinationurl =~ /\?symb=/) {
-        $gotsymb = 1;
-    } elsif ($destinationurl =~ m{^/enc/}) {
-        my $plainurl = &Apache::lonenc::unencrypted($destinationurl);
-        if ($plainurl =~ /\?symb=/) {
-            $gotsymb = 1;
-        }
-    }
-    unless ($gotsymb) {
-        $destsymb = &Apache::lonnet::symbread();
-        if ($destsymb ne '') {
-            $destsymb = &Apache::lonenc::check_encrypt($destsymb);
-        }
-    }
     my $reqprivs = &required_privs();
     if (ref($reqprivs) eq 'HASH') {
         my $destination = $destinationurl;
@@ -2268,66 +1546,37 @@ sub roles_selector {
             }
         }
     }
-    $switchtext = &mt('Switch role');
+    my $switchtext;
+    if ($crstype eq 'Community') {
+        $switchtext = &mt('Switch community role to...')
+    } else {
+        $switchtext = &mt('Switch course role to...')
+    }
     my @roles_order = ($ccrole,'in','ta','ep','ad','st');
-    my $numdiffsec;
-    if (keys(%seccount) == 1) {
-        foreach my $key (keys(%seccount)) {
-            $numdiffsec = $seccount{$key};
-        }
-    }
-    if ((keys(%seccount) > 1) || ($numdiffsec > 1)) {
-        my @submenu;
-        $js = &jump_to_role($cdom,$cnum,\%seccount,\%courseroles,\%courseprivs,$priv);
-        $form = 
-            '<form name="rolechooser" method="post" action="/adm/roles">'."\n".
-            '  <input type="hidden" name="destinationurl" value="'.
-            &HTML::Entities::encode($destinationurl).'" />'."\n".
-            '  <input type="hidden" name="gotorole" value="1" />'."\n".
-            '  <input type="hidden" name="selectrole" value="" />'."\n".
-            '  <input type="hidden" name="switchrole" value="" />'."\n";
-        if ($destsymb ne '') {
-            $form .= '   <input type="hidden" name="destsymb" value="'.
-                         &HTML::Entities::encode($destsymb).'" />'."\n";
-        }
-        $form .= '</form>'."\n";
+    if (keys(%courseroles) > 1) {
+        $role_selector = &jump_to_role($cdom,$cnum,\%seccount,\%courseroles,\%courseprivs,$priv);
+        $role_selector .= '<form name="rolechooser" method="post" action="/adm/roles">
+                          <select name="switchrole" onchange="javascript:adhocRole('."'switchrole'".')">';
+        $role_selector .= '<option value="">'.$switchtext.'</option>';
         foreach my $role (@roles_order) {
-            my $include;
             if (defined($courseroles{$role})) {
-                if ($env{'request.role'} =~ m{^\Q$role\E}) {
-                    if ($seccount{$role} > 1) {
-                        $include = 1;
-                    }
-                } else {
-                    $include = 1;
-                }
-            }
-            if ($include) {
-                push(@submenu,['javascript:adhocRole('."'$role'".')',
-                               &Apache::lonnet::plaintext($role,$crstype)]);
+                $role_selector .= "\n".'<option value="'.$role.'">'.&Apache::lonnet::plaintext($role,$crstype).'</option>'; 
             }
         }
         foreach my $role (sort(keys(%courseroles))) {
             if ($role =~ /^cr/) {
-                my $include;
-                if ($env{'request.role'} =~ m{^\Q$role\E}) {
-                    if ($seccount{$role} > 1) {
-                        $include = 1;
-                    }
-                } else {
-                    $include = 1;
-                }
-                if ($include) {
-                    push(@submenu,['javascript:adhocRole('."'$role'".')',
-                                   &Apache::lonnet::plaintext($role)]);
-                }
+                $role_selector .= "\n".'<option value="'.$role.'">'.&Apache::lonnet::plaintext($role).'</option>'; 
             }
         }
-        if (@submenu > 0) {
-            $switcher = &create_submenu('','',$switchtext,\@submenu);
-        }
+        $role_selector .= '</select>'."\n".
+               '<input type="hidden" name="destinationurl" value="'.
+               &HTML::Entities::encode($destinationurl).'" />'."\n".
+               '<input type="hidden" name="gotorole" value="1" />'."\n".
+               '<input type="hidden" name="selectrole" value="" />'."\n".
+               '<input type="hidden" name="switch" value="1" />'."\n".
+               '</form>';
     }
-    return ($js,$form,$switcher);
+    return $role_selector;
 }
 
 sub get_all_courseroles {
@@ -2390,7 +1639,6 @@ sub get_all_courseroles {
         push(@{$courseroles->{'st'}},keys(%sections_count));
         $seccount->{'st'} = scalar(keys(%sections_count));
     }
-    $seccount->{'st'} ++; # Increment for a section-less student role.
     my $rolehash = {
                      'roles'    => $courseroles,
                      'seccount' => $seccount,
@@ -2467,8 +1715,9 @@ sub jump_to_role {
     return <<"END";
 <script type="text/javascript">
 //<![CDATA[
-function adhocRole(newrole) {
+function adhocRole(roleitem) {
     $js
+    var newrole =  document.rolechooser.elements[roleitem].options[document.rolechooser.elements[roleitem].selectedIndex].value;
     if (newrole == '') {
         return;
     } 
@@ -2485,6 +1734,7 @@ function adhocRole(newrole) {
                 if (confirm("$lt{'role'}\\n$lt{'swit'}")) {
                     document.rolechooser.destinationurl.value = '/adm/menu';
                 } else {
+                    document.rolechooser.elements[roleitem].selectedIndex = 0;
                     return;
                 }
             }
@@ -2527,13 +1777,14 @@ function adhocRole(newrole) {
         return;
     }
     if (fullrole == "$env{'request.role'}") {
+        document.rolechooser.elements[roleitem].selectedIndex = 0;
         return;
     }
     itemid = retrieveIndex('gotorole');
     if (itemid != -1) {
         document.rolechooser.elements[itemid].name = fullrole;
     }
-    document.rolechooser.switchrole.value = fullrole;
+    document.rolechooser.elements[roleitem].options[document.rolechooser.elements[roleitem].selectedIndex].value = fullrole;
     document.rolechooser.selectrole.value = '1';
     document.rolechooser.submit();
     return;
@@ -2573,29 +1824,11 @@ sub required_privs {
 
 sub countdown_timer {
     if (($env{'request.course.id'}) && ($env{'request.symb'} ne '') &&
-        ($env{'request.filename'}=~/$LONCAPA::assess_re/)) {
-        my ($type,$hastimeleft,$slothastime);
-        my $now = time;
-        if ($env{'request.filename'} =~ /\.task$/) {
-            $type = 'Task';
-        } else {
-            $type = 'problem';
-        }
-        my ($status,$accessmsg,$slot_name,$slot) =
-            &Apache::lonhomework::check_slot_access('0',$type);
-        if ($slot_name ne '') {
-            if (ref($slot) eq 'HASH') {
-                if (($slot->{'starttime'} < $now) &&
-                    ($slot->{'endtime'} > $now)) {
-                    $slothastime = 1;
-                }
-            }
-        }
-        if ($status ne 'CAN_ANSWER') {
-            return;
-        }
+        ($env{'request.filename'}=~/$LONCAPA::assess_re/) &&
+        ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
         my $duedate = &Apache::lonnet::EXT("resource.0.duedate");
         my @interval=&Apache::lonnet::EXT("resource.0.interval");
+        my $hastimeleft;
         if (@interval > 1) {
             my $first_access=&Apache::lonnet::get_first_access($interval[1]);
             if ($first_access > 0) {
@@ -2605,11 +1838,9 @@ sub countdown_timer {
             }
         }
         if (($duedate && $duedate > time) ||
-            (!$duedate && $hastimeleft) ||
-            ($slot_name ne '' && $slothastime)) {
+            (!$duedate && $hastimeleft)) {
             my ($collapse,$expand,$alttxt,$title,$currdisp);
-            if ((@interval > 1 && $hastimeleft) ||
-                ($type eq 'Task' && $slothastime)) {
+            if (@interval > 1 && $hastimeleft) {
                 $currdisp = 'inline';
                 $collapse = '&#9658;&nbsp;';
             } else {
@@ -2653,17 +1884,14 @@ BEGIN {
                         $category_positions{$entries[2]}=$entries[1];
                         $category_names{$entries[2]}=$entries[3];
                     } elsif ($configline=~/^prim\:/) {
-                        my @entries = (split(/\:/, $configline))[1..6];
-                        push(@primary_menu,\@entries);
+                        my @entries = (split(/\:/, $configline))[1..5];
+                        push @primary_menu, \@entries;
                     } elsif ($configline=~/^primsub\:/) {
                         my ($parent,@entries) = (split(/\:/, $configline))[1..4];
-                        push(@{$primary_submenu{$parent}},\@entries);
+                        push (@{$primary_submenu{$parent}},\@entries);
                     } elsif ($configline=~/^scnd\:/) {
                         my @entries = (split(/\:/, $configline))[1..5];
-                        push(@secondary_menu,\@entries);
-                    } elsif ($configline=~/^scndsub\:/) {
-                        my ($parent,@entries) = (split(/\:/, $configline))[1..4];
-                        push(@{$secondary_submenu{$parent}},\@entries);
+                        push @secondary_menu, \@entries; 
                     } elsif ($configline) {
                         push(@desklines,$configline);
                     }