--- loncom/interface/lonmenu.pm	2003/11/10 15:15:08	1.99
+++ loncom/interface/lonmenu.pm	2004/12/02 23:03:32	1.133
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Routines to control the menu
 #
-# $Id: lonmenu.pm,v 1.99 2003/11/10 15:15:08 www Exp $
+# $Id: lonmenu.pm,v 1.133 2004/12/02 23:03:32 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -39,11 +39,11 @@
 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::lonenc();
 use Apache::lonlocal;
 
 use vars qw(@desklines $readdesk);
@@ -69,13 +69,21 @@ sub menubuttons {
     my $forcereg=shift;
     my $target  =shift;
     my $registration=shift;
+    my $titletable=shift;
+    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+					    ['inhibitmenu']);
+    if ($ENV{'form.inhibitmenu'} eq 'yes') { return ''; }
+
     my $navmaps='';
     my $reloadlink='';
-    my $escurl=&Apache::lonnet::escape($ENV{'request.noversionuri'});
-    my $escsymb=&Apache::lonnet::escape($ENV{'request.symb'});
+    my $escurl=&Apache::lonnet::escape(&Apache::lonenc::check_encrypt($ENV{'request.noversionuri'}));
+    my $escsymb=&Apache::lonnet::escape(&Apache::lonenc::check_encrypt($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>
@@ -89,15 +97,19 @@ ENDNAV
 ENDRELOAD
             }
         }
+        my $form=&serverform();
+        my $utility=&utilityfunctions();
 	my $output=(<<ENDMAINMENU);
-<script>
+<script type="text/javascript">
 // BEGIN LON-CAPA Internal
+$utility
 </script>
 <a href="/adm/menu" target="_top">$lt{'main'}</a>
 $reloadlink $navmaps<br />
-<script>
+<script type="text/javascript">
 // END LON-CAPA Internal
 </script>
+$form
 ENDMAINMENU
         if ($registration) { $output.=&innerregister($forcereg,$target); }
 	return $output."<hr />";
@@ -126,11 +138,11 @@ 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 (($ENV{'request.noversionuri'}=~/^\/adm\//) &&
+<a href="javascript:gonav('/adm/navmaps?postdata=$escurl&amp;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:');
@@ -142,11 +154,14 @@ ENDRELOAD
         }
         my $reg='';
         if ($registration) {
-           $reg=&innerregister($forcereg,$target);
+           $reg=&innerregister($forcereg,$target,$titletable);
         }
+        my $form=&serverform();
+	my $utility=&utilityfunctions();
 	return (<<ENDINLINEMENU);
-<script>
+<script type="text/javascript">
 // BEGIN LON-CAPA Internal
+$utility
 </script>
 <font face="Arial,Helvetica,sans-serif"><table bgcolor="$pgbg" width="100%" border="0" cellpadding="1" cellspacing="1">
 <tr>
@@ -156,15 +171,16 @@ ENDRELOAD
 $reloadlink
 $navmaps
 <td bgcolor="$tabbg">
-<a href="/adm/remote?action=launch&url=$escurl" target="_top">
+<a href="/adm/remote?action=launch&amp;url=$escurl" target="_top">
 <font color="$font">$lt{'launch'}</font></a></td>
 <td bgcolor="$tabbg">
 <img align="right" src="/adm/lonIcons/minilogo.gif" />
 <b>LON-CAPA</b></td>
+$form
 </tr>
 </table>
 </font>
-<script>
+<script type="text/javascript">
 // END LON-CAPA Internal
 </script>
 $reg
@@ -214,7 +230,12 @@ sub registerurl {
 sub innerregister {
     my $forcereg=shift;
     my $target = shift;
+    my $titletable = shift;
     my $result = '';
+    my ($uname,$thisdisfn);
+    my $const_space = ($ENV{'request.state'} eq 'construct');
+    my $is_const_dir = 0;
+
     if ($ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; }
 
     $Apache::lonxml::registered=1;
@@ -238,7 +259,7 @@ sub innerregister {
         $newmail.=$ENV{'course.'.$ENV{'request.course.id'}.'.description'};
         my $maptitle=&Apache::lonnet::gettitle($mapurl);
 	my $restitle=&Apache::lonnet::gettitle($resurl);
-        if ($maptitle) {
+        if ($maptitle && $maptitle ne 'default.sequence') {
 	    $newmail.=', '.$maptitle;
         }
         if ($restitle) {
@@ -251,40 +272,42 @@ sub innerregister {
  '<b><a href="/adm/communicate" target="_top">You have new messages</a></b><br />':
                           'swmenu.setstatus("you have","messages");');
     }
+    if ($ENV{'request.state'} eq 'construct') {
+        $newmail = $titletable;
+    }
     if ($noremote) {
 	$newmail.='</td></tr></table></font>';
     }
     my $timesync=($textual?'':'swmenu.syncclock(1000*'.time.');');
-    my $tablestart=($noremote?'<font face="Arial,Helvetica,sans-serif"><table bgcolor="'.$pgbg.'" border="0" cellspacing="1" cellpadding="1" width="100%">':'');
-    my $tableend=($noremote?'</table></font>':'');
+    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.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 +332,11 @@ 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,$desc);
                 }
             }
             ##
@@ -323,19 +348,22 @@ sub innerregister {
             if ($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 +372,43 @@ sub innerregister {
         ###
         ###
 # Prepare the rest of the buttons
-	my $menuitems=(<<ENDMENUITEMS);
+        my $menuitems;
+        if ($const_space) {
+	    my ($uname,$thisdisfn) =
+		($ENV{'request.filename'}=~m|^/home/([^/]+)/public_html/(.*)|);
+            my $currdir = '/priv/'.$uname.'/'.$thisdisfn;
+            if ($currdir =~ m-/$-) {
+                $is_const_dir = 1;
+            } else {
+                $currdir =~ s#[^/]+$##;
+                $menuitems=(<<ENDMENUITEMS);
+s&6&1&list.gif&list[_1]&dir[_1]&golist('$currdir')&List current directory
+s&6&2&rtrv.gif&retrieve[_1]&version[_1]&gocstr('/adm/retrieve','/~$uname/$thisdisfn')&Retrieve 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.noversionuri'}=~/\/(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 ($command,@rest)=split(/\&/,$_);
@@ -373,22 +420,33 @@ 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>$inlineremote[93]</td></tr>
+ENDINLINE
+	    }
+            if ($const_space && $is_const_dir) {
+                $inlinebuttons = '';
+            }
 	    $result =(<<ENDREGTEXT);
-<script>
+<script type="text/javascript">
 // BEGIN LON-CAPA Internal
-$utility
 </script>
 $timesync
 $newmail
 $tablestart
 $inlinebuttons
 $tableend
-$form
-<script>
+<script type="text/javascript">
 // END LON-CAPA Internal
 </script>
 
@@ -396,10 +454,12 @@ ENDREGTEXT
 # Registered, graphical output
         } else {
 	    my $requri=(split(/\?/,$ENV{'request.noversionuri'}))[0];
-	    $requri=&Apache::lonnet::unescape($requri);
+	    $requri=&Apache::lonenc::check_encrypt(&Apache::lonnet::unescape($requri));
+	    my $cursymb=&Apache::lonenc::check_encrypt($ENV{'request.symb'});
+	    my $navstatus=&get_nav_status();
 	    $result = (<<ENDREGTHIS);
      
-<script language="JavaScript">
+<script type="text/javascript">
 // BEGIN LON-CAPA Internal
 var swmenu=null;
 
@@ -411,9 +471,10 @@ var swmenu=null;
           $buttons
 	  swmenu.currentURL="$requri";
           swmenu.reloadURL=swmenu.currentURL+window.location.search;
-          swmenu.currentSymb="$ENV{'request.symb'}";
-          swmenu.reloadSymb="$ENV{'request.symb'}";
+          swmenu.currentSymb="$cursymb";
+          swmenu.reloadSymb="$cursymb";
           swmenu.currentStale=0;
+	  $navstatus
           $hwkadd
           $editbutton
     }
@@ -430,7 +491,7 @@ 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);
       }
 
@@ -449,7 +510,7 @@ ENDDONOTREGTEXT
 # Not registered, graphical
            $result = (<<ENDDONOTREGTHIS);
 
-<script language="JavaScript">
+<script type="text/javascript">
 // BEGIN LON-CAPA Internal
 var swmenu=null;
 
@@ -505,11 +566,18 @@ sub startupremote {
 #
     my $configmenu=&rawconfig();
     my $esclowerurl=&Apache::lonnet::escape($lowerurl);
-
+    my $message=&mt('"Waiting for Remote Control window to load: "+[_1]','waited');
     return(<<ENDREMOTESTARTUP);
-<script>
-
+<script type="text/javascript">
+var timestart;
 function wheelswitch() {
+    if (typeof(document.wheel) != 'undefined') {
+	if (typeof(document.wheel.spin) != 'undefined') {
+	    var date=new Date();
+	    var waited=Math.round(30-((date.getTime()-timestart)/1000));
+	    document.wheel.spin.value=$message;
+	}
+    }
    if (window.status=='|') { 
       window.status='/'; 
    } else {
@@ -546,6 +614,8 @@ function wait() {
 function main() {
    canceltim=setTimeout('tim=1;',30000);
    window.status='-';
+   var date=new Date();
+   timestart=date.getTime();
    wait();
 }
 
@@ -555,7 +625,7 @@ ENDREMOTESTARTUP
 
 sub setflags() {
     return(<<ENDSETFLAGS);
-<script>
+<script type="text/javascript">
     menuloaded=0;
     tim=0;
 </script>
@@ -566,11 +636,30 @@ sub maincall() {
     if (($ENV{'browser.interface'} eq 'textual') ||
         ($ENV{'environment.remote'} eq 'off')) { return ''; }
     return(<<ENDMAINCALL);
-<script>
+<script type="text/javascript">
     main();
 </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 +675,9 @@ 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
@@ -603,7 +694,7 @@ var menu=window.open("/res/adm/pages/men
 "height=350,width=150,scrollbars=no,menubar=no,top=5,left=5,screenX=5,screenY=5");
 self.name='loncapaclient';
 ENDOPEN
-    return '<script>'.$returnval.'</script>';
+    return '<script type="text/javascript">'.$returnval.'</script>';
 }
 
 
@@ -631,6 +722,7 @@ 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
@@ -646,31 +738,45 @@ sub switch {
 	       '<a href="javascript:'.$act.';">'.$text.'</a>';
        } else {
 	   $inlineremote[10*$row+$col]="\n<br />".
-	       '<a href="javascript:'.$act.';">'.$desc.'</a>';
+	       $desc.' <a href="javascript:'.$act.';">'.$text.'</a>';
        }
    } else {
 # Inline Remote
        if ($nobreak==2) { return ''; }
        my $text=$top.' '.$bot;
        $text=~s/\s*\-\s*//gs;
+
+       my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'};
+       if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; }
        my $pic=
-	   '<img border="0" alt="'.$text.'" src="/res/adm/pages/'.$img.'" />';
-       if ($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>';
+	   '<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 {
-	   $inlineremote[10*$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>';       
+# Inline Menu
+	   $inlineremote[10*$row+$col]=
+		   '<a href="javascript:'.$act.';">'.$pic.
+		   '</a><font color="'.$font.'" size="2">'.$desc.
+		   '</font>';
        }
    }
     return '';
@@ -761,6 +867,11 @@ sub rawconfig {
             if ($ENV{'request.course.fn'}) {
                $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
 	    }
+        } elsif ($pro =~ /^courseenv_(.*)$/) {
+            my $key = $1;
+            if ($ENV{'course.'.$ENV{'request.course.id'}.'.'.$key}) {
+                $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc);
+            }
         } elsif ($pro =~ /^course_(.*)$/) {
             # Check for permissions inside of a course
             if (($ENV{'request.course.id'}) &&
@@ -782,7 +893,10 @@ 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,$desc);
                     }
@@ -793,7 +907,11 @@ sub rawconfig {
     unless (($ENV{'browser.interface'} eq 'textual') ||
             ($ENV{'environment.remote'} eq 'off')) {
        $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;
 }
 
@@ -804,7 +922,7 @@ sub close {
         ($ENV{'environment.remote'} eq 'off')) { return ''; }
     my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'};
     return(<<ENDCLOSE);
-<script>
+<script type="text/javascript">
 window.status='Accessing Remote Control';
 menu=window.open("/adm/rat/empty.html","$menuname",
                  "height=350,width=150,scrollbars=no,menubar=no");
@@ -824,17 +942,39 @@ 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 {
+    my $caller = shift;
     unless (($ENV{'browser.interface'} eq 'textual')  ||
-        ($ENV{'environment.remote'} eq 'off')) { return ''; }
-    my $currenturl=$ENV{'request.noversionuri'};
-    my $currentsymb=$ENV{'request.symb'};
+        ($ENV{'environment.remote'} eq 'off') || ($caller eq '/adm/menu')) { return ''; }
+    my $currenturl=&Apache::lonenc::check_encrypt($ENV{'request.noversionuri'});
+    
+    my $currentsymb=&Apache::lonenc::check_encrypt($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;
@@ -865,12 +1005,35 @@ 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 golist(url) {
+   if (url!='' && url!= null) {
+       currentURL = null;
+       currentSymb= null;
+       top.location.href=url;
+   }
+}
+
+
+
 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
 }
@@ -886,6 +1049,30 @@ 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
 
 
@@ -895,7 +1082,11 @@ sub handler {
     $r->send_http_header;
     return OK if $r->header_only;
 
-    my $form=&serverform();
+    my $form;
+    if ($ENV{'environment.remote'} ne 'off' &&
+	$ENV{'browser.interface'} ne 'textual') {
+	$form=&serverform();
+    }
     my $bodytag=&Apache::loncommon::bodytag('Main Menu');
     my $function='student';
     if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {
@@ -912,17 +1103,24 @@ sub handler {
     $pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain);
     $tabbg=&Apache::loncommon::designparm($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') {
+    my $script_tag;
+    if ($ENV{'environment.remote'} eq 'on') {
+        my $utility=&utilityfunctions('/adm/menu');
+        $script_tag=(<<ENDSCRIPT);
+<script type="text/javascript">
+$utility
+</script>
+ENDSCRIPT
+    }
+# ---- Print the screen, pretend to be in text mode to generate text-based menu
+    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>
+$script_tag
 </head>
 $bodytag
 ENDHEADER
@@ -936,15 +1134,17 @@ ENDHEADER
 BEGIN {
   if (! defined($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';