--- loncom/interface/lonmenu.pm	2003/09/17 18:47:15	1.90
+++ loncom/interface/lonmenu.pm	2004/11/02 21:02:01	1.122
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Routines to control the menu
 #
-# $Id: lonmenu.pm,v 1.90 2003/09/17 18:47:15 matthew Exp $
+# $Id: lonmenu.pm,v 1.122 2004/11/02 21:02:01 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -39,11 +39,10 @@
 package Apache::lonmenu;
 
 use strict;
-use Apache::lonnet;
+use Apache::lonnet();
 use Apache::Constants qw(:common);
 use Apache::lonhtmlcommon();
-use Apache::loncommon;
-use Apache::File;
+use Apache::loncommon();
 use Apache::lonlocal;
 
 use vars qw(@desklines $readdesk);
@@ -66,33 +65,41 @@ sub initlittle {
 # ============================= This gets called at the top of the body section
 
 sub menubuttons {
-    &Apache::lonlocal::reroutetrans();
     my $forcereg=shift;
     my $target  =shift;
     my $registration=shift;
+    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+					    ['inhibitmenu']);
+    if ($ENV{'form.inhibitmenu'} eq 'yes') { return ''; }
+
     my $navmaps='';
     my $reloadlink='';
-    my $escurl=&Apache::lonnet::escape($ENV{'REQUEST_URI'});
+    my $escurl=&Apache::lonnet::escape($ENV{'request.noversionuri'});
     my $escsymb=&Apache::lonnet::escape($ENV{'request.symb'});
     if ($ENV{'browser.interface'} eq 'textual') {
 # Textual display only
 	my %lt=&initlittle();
+        $pgbg='#FFFFFF';
+        $tabbg='#FFFFFF';
+	$font='#000000';
         if ($ENV{'request.course.id'}) {
 	    $navmaps=(<<ENDNAV);
 <a href="/adm/navmaps?postdata=$escurl&postsymb=$escsymb" target="_top">$lt{'nav'}</a>
 ENDNAV
-            if (($ENV{'REQUEST_URI'}=~/^\/adm\//) &&
-         ($ENV{'REQUEST_URI'}!~/^\/adm\/wrapper\//) &&
-         ($ENV{'REQUEST_URI'}!~/^\/adm\/.*\/(smppg|bulletinboard|aboutme)(\?|$)/)) {
+            if (($ENV{'request.noversionuri'}=~/^\/adm\//) &&
+         ($ENV{'request.noversionuri'}!~/^\/adm\/wrapper\//) &&
+         ($ENV{'request.noversionuri'}!~/^\/adm\/.*\/(smppg|bulletinboard|aboutme)(\?|$)/)) {
                 my $escreload=&Apache::lonnet::escape('return:');
                 $reloadlink=(<<ENDRELOAD);
 <a href="/adm/flip?postdata=$escreload" target="_top"><font color="$font">$lt{'ret'}</font></a>
 ENDRELOAD
             }
         }
+        my $utility=&utilityfunctions();
 	my $output=(<<ENDMAINMENU);
 <script>
 // BEGIN LON-CAPA Internal
+$utility
 </script>
 <a href="/adm/menu" target="_top">$lt{'main'}</a>
 $reloadlink $navmaps<br />
@@ -114,7 +121,7 @@ ENDMAINMENU
             $function='admin';
         }
         if (($ENV{'request.role'}=~/^(au|ca)/) ||
-            ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
+            ($ENV{'request.noversionuri'}=~/^(\/priv|\~)/)) {
             $function='author';
         }
         my $domain=&Apache::loncommon::determinedomain();
@@ -127,13 +134,13 @@ ENDMAINMENU
         my $sidebg=&Apache::loncommon::designparm($function.'.sidebg',$domain);
 # Do we have a NAV link?
         if ($ENV{'request.course.id'}) {
-	    $navmaps=(<<ENDNAVREM);
+        	    $navmaps=(<<ENDNAV);
 <td bgcolor="$tabbg">
-<a href="/adm/navmaps?postdata=$escurl&postsymb=$escsymb" target="_top"><font color="$font">$lt{'nav'}</font></a></td>
-ENDNAVREM
-            if (($ENV{'REQUEST_URI'}=~/^\/adm\//) &&
-                ($ENV{'REQUEST_URI'}!~/^\/adm\/wrapper\//) &&
-         ($ENV{'REQUEST_URI'}!~/^\/adm\/.*\/(smppg|bulletinboard|aboutme)(\?|$)/)) {
+<a href="javascript:gonav('/adm/navmaps?postdata=$escurl&postsymb=$escsymb')"><font color="$font">$lt{'nav'}</font></a></td>
+ENDNAV
+	    if (($ENV{'request.noversionuri'}=~/^\/adm\//) &&
+                ($ENV{'request.noversionuri'}!~/^\/adm\/wrapper\//) &&
+         ($ENV{'request.noversionuri'}!~/^\/adm\/.*\/(smppg|bulletinboard|aboutme)(\?|$)/)) {
                 my $escreload=&Apache::lonnet::escape('return:');
                 $reloadlink=(<<ENDRELOAD);
 <td bgcolor="$tabbg">
@@ -145,11 +152,13 @@ ENDRELOAD
         if ($registration) {
            $reg=&innerregister($forcereg,$target);
         }
+	my $utility=&utilityfunctions();
 	return (<<ENDINLINEMENU);
 <script>
 // BEGIN LON-CAPA Internal
+$utility
 </script>
-<table bgcolor="$pgbg" width="100%" border="0" cellpadding="3" cellspacing="3">
+<font face="Arial,Helvetica,sans-serif"><table bgcolor="$pgbg" width="100%" border="0" cellpadding="1" cellspacing="1">
 <tr>
 <td bgcolor="$tabbg">
 <a href="/adm/menu" target="_top"><font color="$font">$lt{'main'}</font></a>
@@ -164,6 +173,7 @@ $navmaps
 <b>LON-CAPA</b></td>
 </tr>
 </table>
+</font>
 <script>
 // END LON-CAPA Internal
 </script>
@@ -177,11 +187,10 @@ ENDINLINEMENU
 # ====================================== This gets called in the header section
 
 sub registerurl {
-    &Apache::lonlocal::reroutetrans();
     my $forcereg=shift;
     my $target = shift;
     my $result = '';
-    if ($ENV{'REQUEST_URI'} eq '/res/adm/pages/menu.html') { return ''; }
+    if ($ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
     my $force_title='';
     if ($ENV{'request.state'} eq 'construct') {
 	$force_title=&Apache::lonxml::display_title();
@@ -196,14 +205,16 @@ sub registerurl {
         ($ENV{'environment.remote'} eq 'off') ||
         ((($ENV{'request.publicaccess'}) || 
          (!&Apache::lonnet::is_on_map(
-	   &Apache::lonnet::unescape($ENV{'REQUEST_URI'})))) &&
+	   &Apache::lonnet::unescape($ENV{'request.noversionuri'})))) &&
         (!$forcereg))) {
  	return $result.
           '<script type="text/javascript">function LONCAPAreg(){;} function LONCAPAstale(){}</script>'.$force_title;
     }
 # Graphical display after login only
     if ($Apache::lonxml::registered && !$forcereg) { return ''; }
-    $result.=&innerregister($forcereg,$target);
+    if ($target ne 'edit') {
+	$result.=&innerregister($forcereg,$target);
+    }
     return $result.$force_title;
 }
 
@@ -211,11 +222,18 @@ sub registerurl {
 # =========== and in the body of the document
 
 sub innerregister {
-    &Apache::lonlocal::reroutetrans();
     my $forcereg=shift;
     my $target = shift;
     my $result = '';
-    if ($ENV{'REQUEST_URI'} eq '/res/adm/pages/menu.html') { return ''; }
+    my ($uname,$thisdisfn);
+    my $const_space = 0;
+    if ($ENV{'request.filename'} =~ /^\/home\/([^\/]+)\/public_html\/(.*)/) {
+        $const_space = 1;
+        $uname = $1;
+        $thisdisfn = $2;
+    }
+
+    if ($ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
 
     $Apache::lonxml::registered=1;
 
@@ -231,7 +249,39 @@ sub innerregister {
 
     my $newmail='';
     if ($noremote) {
-	$newmail='<table bgcolor="'.$pgbg.'" border="0" cellspacing="3" cellpadding="3" width="100%"><tr><td bgcolor="'.$tabbg.'">';
+	$newmail='<font face="Arial,Helvetica,sans-serif"><table bgcolor="'.$pgbg.'" border="0" cellspacing="1" cellpadding="1" width="100%"><tr><td bgcolor="'.$tabbg.'">';
+    }
+    if ($textual && $const_space) {
+        my $formaction='/priv/'.$uname.'/'.$thisdisfn;
+        $formaction=~s/\/+/\//g;
+        my $titleinfo = '<form name="dirs" method="post" action="'.$formaction
+              .'" target="_top">'.
+        &Apache::lonhtmlcommon::crumbs($uname.'/'.$thisdisfn,'_top','/priv','','-1').
+        &Apache::lonhtmlcommon::select_recent('construct','recent',
+                 'this.form.action=this.form.recent.value;this.form.submit()').
+              '</form>';
+        &Apache::lonhtmlcommon::store_recent('construct',$formaction,$formaction);
+        $newmail .= &constspaceform();
+# role and realm
+        my ($role,$realm) = &Apache::lonnet::plaintext((split(/\./,$ENV{'request.role'}))[0]);
+        unless ($realm) { $realm='&nbsp;'; }
+        $newmail .= <<END;
+<table width="100%" cellspacing="0" border="0" cellpadding="0">
+<tr>
+<td>
+$titleinfo
+</td>
+<td align="right">
+<font size="2" face="Arial, Helvetica, sans-serif">
+    $ENV{'environment.firstname'}
+    $ENV{'environment.middlename'}
+    $ENV{'environment.lastname'}
+    $ENV{'environment.generation'}
+    </font>&nbsp;<br />
+    <font size="2" face="Arial, Helvetica, sans-serif">$role</font>&nbsp;
+</td></tr>
+</table>
+END
     }
     if (($textual) && ($ENV{'request.symb'}) && ($ENV{'request.course.id'})) {
 	my ($mapurl,$rid,$resurl)=&Apache::lonnet::decode_symb($ENV{'request.symb'});
@@ -252,39 +302,38 @@ sub innerregister {
                           'swmenu.setstatus("you have","messages");');
     }
     if ($noremote) {
-	$newmail.='</td></tr></table>';
+	$newmail.='</td></tr></table></font>';
     }
     my $timesync=($textual?'':'swmenu.syncclock(1000*'.time.');');
-    my $tablestart=($noremote?'<table bgcolor="'.$pgbg.'" border="0" cellspacing="3" cellpadding="3" width="100%">':'');
-    my $tableend=($noremote?'</table>':'');
+    my $tablestart=($noremote?'<font face="Arial,Helvetica,sans-serif"><table bgcolor="'.$pgbg.'" border="0" cellspacing="1" cellpadding="1" width="100%">':'').($textinter?'<br /><a href="#content">'.&mt('Skip to Content').'</a><br />':'');
+    my $tableend=($noremote?'</table></font>':'').($textinter?'<a name="content" />':'');
 # =============================================================================
 # ============================ This is for URLs that actually can be registered
-    if (($ENV{'REQUEST_URI'}!~/^\/(res\/)*adm\//) || ($forcereg)) {
+    if (($ENV{'request.noversionuri'}!~/^\/(res\/)*adm\//) || ($forcereg)) {
 # -- This applies to homework problems for users with grading privileges
-        my $hwkadd='';
-        if 
-      ($ENV{'request.filename'}=~/\.(problem|exam|quiz|assess|survey|form)$/) {
-	    my $crs='/'.$ENV{'request.course.id'};
-	    if ($ENV{'request.course.sec'}) {
-	        $crs.='_'.$ENV{'request.course.sec'};
-	    }
-	    $crs=~s/\_/\//g;
+	my $crs='/'.$ENV{'request.course.id'};
+	if ($ENV{'request.course.sec'}) {
+	    $crs.='_'.$ENV{'request.course.sec'};
+	}
+	$crs=~s/\_/\//g;
 
+        my $hwkadd='';
+        if ($ENV{'request.filename'}=~/\.(problem|exam|quiz|assess|survey|form)$/) {
 	    if (&Apache::lonnet::allowed('vgr',$crs)) {
-		$hwkadd.=&switch('','',7,1,'subm.gif','view sub-','missions',
+		$hwkadd.=&switch('','',7,1,'subm.gif','view sub-[_1]','missions[_1]',
                        "gocmd('/adm/grades','submission')",
 		       'View user submissions for this assessment resource');
             }
 	    if (&Apache::lonnet::allowed('mgr',$crs)) {
-		$hwkadd.=&switch('','',7,2,'pgrd.gif','problem','grades',
+		$hwkadd.=&switch('','',7,2,'pgrd.gif','problem[_1]','grades[_3]',
                        "gocmd('/adm/grades','gradingmenu')",
                        'Modify user grades for this assessment resource');
             }
-	    if (&Apache::lonnet::allowed('opa',$crs)) {
-		$hwkadd.=&switch('','',7,3,'pparm.gif','problem','parms',
-                       "gocmd('/adm/parmset','set')",
-                       'Modify deadlines, etc, for this assessment resource');
-            }
+	}
+	if (&Apache::lonnet::allowed('opa',$crs)) {
+	    $hwkadd.=&switch('','',7,3,'pparm.gif','problem[_2]','parms[_2]',
+			     "gocmd('/adm/parmset','set')",
+			     'Modify deadlines, etc, for this resource');
 	}
 # -- End Homework
         ###
@@ -309,9 +358,11 @@ sub innerregister {
                 }
                 # Check that we are on the correct machine
                 my $home = &Apache::lonnet::homeserver($caname,$cadom);
-                if ($home eq $Apache::lonnet::perlvar{'lonHostID'}) {
-                    $editbutton=&switch
-                        ('','',6,1,$top,,$bottom,$action,$desc);
+		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,$desc);
                 }
             }
             ##
@@ -323,19 +374,22 @@ sub innerregister {
             if ($ENV{'request.filename'}) {
                 my $file=&Apache::lonnet::declutter($ENV{'request.filename'});
                 $file=~s/^(\w+)\/(\w+)/\/priv\/$2/;
-                # Chech that the user has permission to edit this resource
+                # Check that the user has permission to edit this resource
                 ($cfuname,$cfudom)=&Apache::loncacc::constructaccess($file,$1);
                 if (defined($cfudom)) {
-                    if (&Apache::lonnet::homeserver($cfuname,$cfudom) 
-                        eq $Apache::lonnet::perlvar{'lonHostID'}) {
+		    my $home=&Apache::lonnet::homeserver($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;
                     }
                 }
             }        
             # Finally, turn the button on or off
-            if ($cfile) {
+            if ($cfile && !$const_space) {
                 $editbutton=&switch
-                    ('','',6,1,'cstr.gif','edit','resource',
+                    ('','',6,1,'cstr.gif','edit[_1]','resource[_2]',
                      "go('".$cfile."');","Edit this resource");
             } elsif ($editbutton eq '') {
                 $editbutton=&clear(6,1);
@@ -344,24 +398,37 @@ sub innerregister {
         ###
         ###
 # Prepare the rest of the buttons
-	my $menuitems=(<<ENDMENUITEMS);
+        my $menuitems;
+        if ($const_space) {
+            my $currdir = '/priv/'.$uname.'/'.$thisdisfn;
+            $currdir =~ s#[^/]+$##;
+            $menuitems=(<<ENDMENUITEMS);
+s&6&1&list.gif&list[_1]&dir[_1]&go('$currdir')&List current directory
+s&6&2&rtrv.gif&retrieve[_1]&version[_1]&gocstr('/adm/retrieve','/~$uname/$thisdisfn')&Retreive old version
+s&6&3&pub.gif&publish[_1]&resource[_1]&gocstr('/adm/publish','/~$uname/$thisdisfn')&Publish this resource
+s&7&1&del.gif&delete[_1]&resource[_2]&gocstr('/adm/cfile?action=delete','/~$uname/$thisdisfn')&Delete this resource
+s&7&2&prt.gif&prepare[_1]&printout[_1]&gopost('/adm/printout','/~$uname/$thisdisfn')&Prepare a printable document
+ENDMENUITEMS
+        } else {
+	    $menuitems=(<<ENDMENUITEMS);
 c&3&1
-s&2&1&back.gif&backward&&gopost('/adm/flip','back:'+currentURL)&Go to the previous resource in the course sequence&1
-s&2&3&forw.gif&forward&&gopost('/adm/flip','forward:'+currentURL)&Go to the next resource in the course sequence&3
+s&2&1&back.gif&backward[_1]&&gopost('/adm/flip','back:'+currentURL)&Go to the previous resource in the course sequence&1
+s&2&3&forw.gif&forward[_1]&&gopost('/adm/flip','forward:'+currentURL)&Go to the next resource in the course sequence&3
 c&6&3
 c&8&1
 c&8&2
-s&8&3&prt.gif&prepare&printout&gopost('/adm/printout',currentURL)&Prepare a printable document
-s&9&1&sbkm.gif&set&bookmark&set_bookmark()&Set a bookmark for this resource&2
-s&9&3&anot.gif&anno-&tations&annotate()&Make notes and annotations about this resource&2
+s&8&3&prt.gif&prepare[_1]&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
+s&9&1&sbkm.gif&set[_1]&bookmark[_2]&set_bookmark()&Set a bookmark for this resource&2
+s&9&3&anot.gif&anno-[_1]&tations[_1]&annotate()&Make notes and annotations about this resource&2
 ENDMENUITEMS
-        unless ($ENV{'REQUEST_URI'}=~/\/(bulletinboard|smppg|navmaps|syllabus|aboutme)(\?|$)/) {
-	    $menuitems.=(<<ENDREALRES);
-s&6&3&catalog.gif&catalog&info&catalog_info()&Show catalog information
-s&8&1&eval.gif&evaluate&this&gopost('/adm/evaluate',currentURL,1)&Provide my evaluation of this resource
-s&8&2&fdbk.gif&feedback&discuss&gopost('/adm/feedback',currentURL,1)&Provide feedback messages or contribute to the course discussion about this resource
+            unless ($ENV{'request.noversionuri'}=~/\/(bulletinboard|smppg|navmaps|syllabus|aboutme)(\?|$)/) {
+	        $menuitems.=(<<ENDREALRES);
+s&6&3&catalog.gif&catalog[_1]&info[_1]&catalog_info()&Show catalog information
+s&8&1&eval.gif&evaluate[_1]&this[_1]&gopost('/adm/evaluate',currentURL,1)&Provide my evaluation of this resource
+s&8&2&fdbk.gif&feedback[_1]&discuss[_1]&gopost('/adm/feedback',currentURL,1)&Provide feedback messages or contribute to the course discussion about this resource
 ENDREALRES
-	}
+	    }
+        }
         my $buttons='';
         foreach (split(/\n/,$menuitems)) {
 	    my ($command,@rest)=split(/\&/,$_);
@@ -373,14 +440,24 @@ ENDREALRES
         }
         if ($textual) {
 # Registered, textual output
-            my $utility=&utilityfunctions();
             my $form=&serverform();
-            my $inlinebuttons=
+	    my $inlinebuttons='';
+
+	    if ($ENV{'browser.interface'} eq 'textual') {
+		$inlinebuttons=
                         join('',map { (defined($_)?$_:'') } @inlineremote);
+	    } else {
+		$inlinebuttons=(<<ENDINLINE);
+<tr><td>$inlineremote[21]</td><td>&nbsp</td><td>$inlineremote[23]</td></tr>
+<tr><td>$inlineremote[61]</td><td>$inlineremote[62]</td><td>$inlineremote[63]</td></tr>
+<tr><td>$inlineremote[71]</td><td>$inlineremote[72]</td><td>$inlineremote[73]</td></tr>
+<tr><td>$inlineremote[81]</td><td>$inlineremote[82]</td><td>$inlineremote[83]</td></tr>
+<tr><td>$inlineremote[91]</td><td>$inlineremote[92]</td><td>$inlineremote[93]</td></tr>
+ENDINLINE
+	    }
 	    $result =(<<ENDREGTEXT);
 <script>
 // BEGIN LON-CAPA Internal
-$utility
 </script>
 $timesync
 $newmail
@@ -395,8 +472,9 @@ $form
 ENDREGTEXT
 # Registered, graphical output
         } else {
-	    my $requri=(split(/\?/,$ENV{'REQUEST_URI'}))[0];
+	    my $requri=(split(/\?/,$ENV{'request.noversionuri'}))[0];
 	    $requri=&Apache::lonnet::unescape($requri);
+	    my $navstatus=&get_nav_status();
 	    $result = (<<ENDREGTHIS);
      
 <script language="JavaScript">
@@ -414,6 +492,7 @@ var swmenu=null;
           swmenu.currentSymb="$ENV{'request.symb'}";
           swmenu.reloadSymb="$ENV{'request.symb'}";
           swmenu.currentStale=0;
+	  $navstatus
           $hwkadd
           $editbutton
     }
@@ -430,7 +509,7 @@ var swmenu=null;
           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(9,2);clearbut(9,3);clearbut(6,3);clearbut(6,1)',
+ 'clearbut(9,1);clearbut(9,3);clearbut(6,3);clearbut(6,1)',
 			  2000);
       }
 
@@ -483,12 +562,12 @@ ENDDONOTREGTHIS
 }
 
 sub loadevents() {
-    if ($ENV{'REQUEST_URI'} eq '/res/adm/pages/menu.html') { return ''; }
+    if ($ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
     return 'LONCAPAreg();';
 }
 
 sub unloadevents() {
-    if ($ENV{'REQUEST_URI'} eq '/res/adm/pages/menu.html') { return ''; }
+    if ($ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
     return 'LONCAPAstale();';
 }
 
@@ -505,11 +584,18 @@ sub startupremote {
 #
     my $configmenu=&rawconfig();
     my $esclowerurl=&Apache::lonnet::escape($lowerurl);
-
+    my $message=&mt('"Waiting for Remote Control window to load: "+[_1]','waited');
     return(<<ENDREMOTESTARTUP);
 <script>
-
+var timestart;
 function wheelswitch() {
+    if (typeof(document.wheel) != 'undefined') {
+	if (typeof(document.wheel.spin) != 'undefined') {
+	    var date=new Date();
+	    var waited=Math.round(30-((date.getTime()-timestart)/1000));
+	    document.wheel.spin.value=$message;
+	}
+    }
    if (window.status=='|') { 
       window.status='/'; 
    } else {
@@ -546,6 +632,8 @@ function wait() {
 function main() {
    canceltim=setTimeout('tim=1;',30000);
    window.status='-';
+   var date=new Date();
+   timestart=date.getTime();
    wait();
 }
 
@@ -571,6 +659,25 @@ sub maincall() {
 </script>
 ENDMAINCALL
 }
+
+sub load_remote_msg {
+    my ($lowerurl)=@_;
+
+    if (($ENV{'browser.interface'} eq 'textual') ||
+        ($ENV{'environment.remote'} eq 'off')) { return ''; }
+
+    my $esclowerurl=&Apache::lonnet::escape($lowerurl);
+    my $link=&mt('<a href="[_1]">Continue</a> on in Inline Menu mode',
+		    "/adm/remote?action=collapse?url=$esclowerurl");
+    return(<<ENDREMOTEFORM);
+<p>
+<form name="wheel">
+<input name="spin" type="text" size="60" />
+</form>
+</p>
+<p>$link</p>
+ENDREMOTEFORM
+}
 # ================================================================= Reopen menu
 
 sub reopenmenu {
@@ -586,7 +693,9 @@ sub reopenmenu {
 sub open {
     my $returnval='';
     if (($ENV{'browser.interface'} eq 'textual') ||
-        ($ENV{'environment.remote'} eq 'off')) { return ''; }
+        ($ENV{'environment.remote'} eq 'off')) { 
+	return '<script type="text/javascript">self.name="loncapaclient";</script>';
+    }
     my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
     unless (shift eq 'unix') {
 # resizing does not work on linux because of virtual desktop sizes
@@ -631,6 +740,7 @@ sub switch {
     $top=&mt($top);
     $bot=&mt($bot);
     $desc=&mt($desc);
+    $img=&mt($img);
     unless (($ENV{'browser.interface'} eq 'textual')  ||
             ($ENV{'environment.remote'} eq 'off')) {
 # Remote
@@ -641,21 +751,51 @@ sub switch {
        if ($nobreak==2) { return ''; }
        my $text=$top.' '.$bot;
        $text=~s/\s*\-\s*//gs;
-       $inlineremote[10*$row+$col]="\n".($nobreak?' ':'<br />').
-        '<a href="javascript:'.$act.';">'.$text.'</a> '.
-        ($nobreak?'':$desc);
+       if ($nobreak) {
+	   $inlineremote[10*$row+$col]=
+	       '<a href="javascript:'.$act.';">'.$text.'</a>';
+       } else {
+	   $inlineremote[10*$row+$col]="\n<br />".
+	       $desc.' <a href="javascript:'.$act.';">'.$text.'</a>';
+       }
    } else {
 # Inline Remote
        if ($nobreak==2) { return ''; }
        my $text=$top.' '.$bot;
        $text=~s/\s*\-\s*//gs;
-       $inlineremote[10*$row+$col]="\n".
-         ($nobreak==3?'<td width="50%" colspan="2" align="right"':'<tr><td').
-         ' bgcolor="'.$tabbg.'"'.($nobreak==1?' width="50%" colspan="2"':'').
-     '"><a href="javascript:'.$act.';"><font color="'.$font.'"'.
-          ($nobreak?' size="+1"':'').
-     '>'.$text.'</font></a></td>'.
-     ($nobreak?'':'<td colspan="3" width="80%"><font color="'.$font.'" size="-1">'.$desc.'</font>').($nobreak!=1?'</tr>':'');
+
+       my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'};
+       if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; }
+       my $pic=
+	   '<img border="0" alt="'.$text.'" src="http://'.$ENV{'HTTP_HOST'}.
+	   ':'.$lonhttpdPort.'/res/adm/pages/'.$img.'" align="'.
+	   ($nobreak==3?'right':'left').'" />';
+       if (($ENV{'browser.interface'} eq 'textual') || ($ENV{'browser.interface'} eq 'faketextual')) {
+# Accessibility
+	   if ($nobreak==3) {
+	       $inlineremote[10*$row+$col]="\n".
+		   '<td width="40%" align="right"><font color="'.$font.'" size="+1">'.$text.
+		   '</font></td><td width="10%" align="right" bgcolor="'.$tabbg.'">'.
+		   '<a href="javascript:'.$act.';">'.$pic.'</a></td></tr>';
+	   } elsif ($nobreak) {
+	       $inlineremote[10*$row+$col]="\n<tr>".
+		   '<td width="10%" align="left" bgcolor="'.$tabbg.'">'.
+		   '<a href="javascript:'.$act.';">'.$pic.
+		   '</a></td><td width="40%" align="left"><font color="'.$font.'" size="+1">'.$text.'</font></td>';
+	   } else {
+	       $inlineremote[10*$row+$col]="\n<tr>".
+		   '<td width="10%" align="left" bgcolor="'.$tabbg.'">'.
+		   '<a href="javascript:'.$act.';">'.$pic.
+		   '</a></td><td colspan="3"><font color="'.$font.'">'.$desc.
+		   '</font></td></tr>';       
+	   }
+       } else {
+# Inline Menu
+	   $inlineremote[10*$row+$col]=
+		   '<a href="javascript:'.$act.';">'.$pic.
+		   '</a><font color="'.$font.'" size="2">'.$desc.
+		   '</font>';
+       }
    }
     return '';
 }
@@ -766,7 +906,10 @@ sub rawconfig {
                     }                       
                     $act =~ s/\$caname/$caname/g;
                     my $home = &Apache::lonnet::homeserver($caname,$cadom);
-                    if ($home eq $Apache::lonnet::perlvar{'lonHostID'}) {
+		    my $allowed=0;
+		    my @ids=&Apache::lonnet::current_machine_ids();
+		    foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
+		    if ($allowed) {
                         $output.=switch($caname,$cadom,
                                         $row,$col,$img,$top,$bot,$act,$desc);
                     }
@@ -808,17 +951,37 @@ sub footer {
 
 }
 
+sub nav_control_js {
+    my $nav=($ENV{'environment.remotenavmap'} eq 'on');
+    return (<<NAVCONTROL);
+    var w_loncapanav_flag="$nav";
+
+
+function gonav(url) {
+   if (w_loncapanav_flag != 1) {
+      gopost(url,'');
+   }  else {
+      navwindow=window.open(url,
+                  "loncapanav","height=600,width=400,scrollbars=1"); 
+   }
+}
+NAVCONTROL
+}
+
 sub utilityfunctions {
     unless (($ENV{'browser.interface'} eq 'textual')  ||
         ($ENV{'environment.remote'} eq 'off')) { return ''; }
-    my $currenturl=$ENV{'REQUEST_URI'};
+    my $currenturl=$ENV{'request.noversionuri'};
     my $currentsymb=$ENV{'request.symb'};
+    my $nav_control=&nav_control_js();
 return (<<ENDUTILITY)
 
     var currentURL="$currenturl";
     var reloadURL="$currenturl";
     var currentSymb="$currentsymb";
 
+$nav_control
+
 function go(url) {
    if (url!='' && url!= null) {
        currentURL = null;
@@ -849,12 +1012,26 @@ function gocmd(url,cmd) {
    }
 }
 
+function gocstr(url,filename) {
+    if (url == '/adm/cfile?action=delete') {
+        this.document.cstrdelete.filename.value = filename
+        this.document.cstrdelete.submit();
+        return;
+    }
+    if (url !='') {
+        this.document.constspace.filename.value = filename;
+        this.document.constspace.action = url;
+        this.document.constspace.submit();
+    }
+}
+
+
 function catalog_info() {
-   loncatinfo=window.open(window.location.pathname+'.meta',"LONcatInfo",'height=320,width=280,resizeable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
+   loncatinfo=window.open(window.location.pathname+'.meta',"LONcatInfo",'height=320,width=280,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
 }
 
 function chat_win() {
-   lonchat=window.open('/res/adm/pages/chatroom.html',"LONchat",'height=320,width=280,resizeable=yes,location=no,menubar=no,toolbar=no');
+   lonchat=window.open('/res/adm/pages/chatroom.html',"LONchat",'height=320,width=280,resizable=yes,location=no,menubar=no,toolbar=no');
 }
 ENDUTILITY
 }
@@ -870,17 +1047,39 @@ sub serverform {
 </form>
 ENDSERVERFORM
 }
+
+sub constspaceform {
+    return(<<ENDCONSTSPACEFORM);
+<form name="constspace" action="/adm/logout" method="post" target="_top">
+<input type="hidden" name="filename" value="" />
+</form>
+<form name="cstrdelete" action="/adm/cfile" method="post" target="_top">
+<input type="hidden" name="action" value="delete" /> 
+<input type="hidden" name="filename" value="" />
+</form>
+ENDCONSTSPACEFORM
+}
+
+
+sub get_nav_status {
+    my $navstatus="swmenu.w_loncapanav_flag=";
+    if ($ENV{'environment.remotenavmap'} eq 'on') {
+	$navstatus.="1";
+    } else {
+	$navstatus.="-1";
+    }
+    return $navstatus;
+}
+
 # ================================================ Handler when called directly
 
 
 sub handler {
     my $r = shift;
-    $r->content_type('text/html');
+    &Apache::loncommon::content_type($r,'text/html');
     $r->send_http_header;
     return OK if $r->header_only;
 
-#    &Apache::lonlocal::clearreroutetrans();
-
     my $form=&serverform();
     my $bodytag=&Apache::loncommon::bodytag('Main Menu');
     my $function='student';
@@ -891,7 +1090,7 @@ sub handler {
 	$function='admin';
     }
     if (($ENV{'request.role'}=~/^(au|ca)/) ||
-	($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
+	($ENV{'request.noversionuri'}=~/^(\/priv|\~)/)) {
 	$function='author';
     }
     my $domain=&Apache::loncommon::determinedomain();
@@ -899,21 +1098,17 @@ sub handler {
     $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
     $font=&Apache::loncommon::designparm($function.'.font',$domain);
 # ---- Print the screen, pretent to be in text mode to generate text-based menu
-    unless ($ENV{'brower.interface'} eq 'textual') {
+    unless ($ENV{'browser.interface'} eq 'textual') {
+	$ENV{'browser.interface'}='faketextual';
 	$ENV{'environment.remote'}='off';
     }
-    my $utility=&utilityfunctions();
     $r->print(<<ENDHEADER);
 <html><head>
 <title>LON-CAPA Main Menu</title>
-<script>
-$utility
-</script>
 </head>
 $bodytag
 ENDHEADER
     $r->print('<table>'.&inlinemenu().'</table>'.$form);
-    $r->print(&Apache::lonlocal::endreroutetrans());
     $r->print('</body></html>');
     return OK;
 }
@@ -923,15 +1118,17 @@ ENDHEADER
 BEGIN {
   if (! defined($readdesk)) {
    {
-    my $config=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.
-				  '/mydesk.tab');
-    while (my $configline=<$config>) {
-       $configline=(split(/\#/,$configline))[0];
-       $configline=~s/^\s+//;
-       chomp($configline);
-       if ($configline) {
-          $desklines[$#desklines+1]=$configline;
-       }
+    my $tabfile = $Apache::lonnet::perlvar{'lonTabDir'}.'/mydesk.tab';
+    if ( CORE::open( my $config,"<$tabfile") ) {
+        while (my $configline=<$config>) {
+            $configline=(split(/\#/,$configline))[0];
+            $configline=~s/^\s+//;
+            chomp($configline);
+            if ($configline) {
+                $desklines[$#desklines+1]=$configline;
+            }
+        }
+        CORE::close($config);
     }
    }
    $readdesk='done';