--- loncom/interface/loncommon.pm	2011/10/03 12:39:41	1.948.2.31
+++ loncom/interface/loncommon.pm	2011/12/26 13:47:18	1.1028.2.1
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.948.2.31 2011/10/03 12:39:41 raeburn Exp $
+# $Id: loncommon.pm,v 1.1028.2.1 2011/12/26 13:47:18 foxr Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -154,6 +154,7 @@ sub ssi_with_retries {
 # ----------------------------------------------- Filetypes/Languages/Copyright
 my %language;
 my %supported_language;
+my %latex_language;		# Language name LaTeX uses for selecting hyphenation.
 my %cprtag;
 my %scprtag;
 my %fe; my %fd; my %fm;
@@ -186,11 +187,14 @@ BEGIN {
             while (my $line = <$fh>) {
                 next if ($line=~/^\#/);
                 chomp($line);
-                my ($key,$two,$country,$three,$enc,$val,$sup)=(split(/\t/,$line));
+                my ($key,$two,$country,$three,$enc,$val,$sup,$latex)=(split(/\t/,$line));
                 $language{$key}=$val.' - '.$enc;
                 if ($sup) {
                     $supported_language{$key}=$sup;
                 }
+		if ($latex) {
+		    $latex_language{$two} = $latex;
+		}
             }
             close($fh);
         }
@@ -409,7 +413,7 @@ sub studentbrowser_javascript {
 <script type="text/javascript" language="Javascript">
 // <![CDATA[
     var stdeditbrowser;
-    function openstdbrowser(formname,uname,udom,roleflag,ignorefilter,courseadvonly) {
+    function openstdbrowser(formname,uname,udom,clicker,roleflag,ignorefilter,courseadvonly) {
         var url = '/adm/pickstudent?';
         var filter;
 	if (!ignorefilter) {
@@ -421,7 +425,8 @@ sub studentbrowser_javascript {
 	   }
         }
         url += 'form=' + formname + '&unameelement='+uname+
-                                    '&udomelement='+udom;
+                                    '&udomelement='+udom+
+                                    '&clicker='+clicker;
 	if (roleflag) { url+="&roles=1"; }
         if (courseadvonly) { url+="&courseadvonly=1"; }
         var title = 'Student_Browser';
@@ -435,15 +440,37 @@ sub studentbrowser_javascript {
 ENDSTDBRW
 }
 
+sub resourcebrowser_javascript {
+   unless ($env{'request.course.id'}) { return ''; }
+   return (<<'ENDRESBRW');
+<script type="text/javascript" language="Javascript">
+// <![CDATA[
+    var reseditbrowser;
+    function openresbrowser(formname,reslink) {
+        var url = '/adm/pickresource?form='+formname+'&reslink='+reslink;
+        var title = 'Resource_Browser';
+        var options = 'scrollbars=1,resizable=1,menubar=0';
+        options += ',width=700,height=500';
+        reseditbrowser = open(url,title,options,'1');
+        reseditbrowser.focus();
+    }
+// ]]>
+</script>
+ENDRESBRW
+}
+
 sub selectstudent_link {
-   my ($form,$unameele,$udomele,$courseadvonly)=@_;
-   my $callargs = "'".$form."','".$unameele."','".$udomele."'";
+   my ($form,$unameele,$udomele,$courseadvonly,$clickerid)=@_;
+   my $callargs = "'".&Apache::lonhtmlcommon::entity_encode($form)."','".
+                      &Apache::lonhtmlcommon::entity_encode($unameele)."','".
+                      &Apache::lonhtmlcommon::entity_encode($udomele)."'";
    if ($env{'request.course.id'}) {  
        if (!&Apache::lonnet::allowed('srm',$env{'request.course.id'})
 	   && !&Apache::lonnet::allowed('srm',$env{'request.course.id'}.
 					'/'.$env{'request.course.sec'})) {
 	   return '';
        }
+       $callargs.=",'".&Apache::lonhtmlcommon::entity_encode($clickerid)."'";
        if ($courseadvonly)  {
            $callargs .= ",'',1,1";
        }
@@ -452,7 +479,7 @@ sub selectstudent_link {
               &mt('Select User').'</a></span>';
    }
    if ($env{'request.role'}=~/^(au|dc|su)/) {
-       $callargs .= ",'',1";
+       $callargs .= ",'',1"; 
        return '<span class="LC_nobreak">'.
               '<a href="javascript:openstdbrowser('.$callargs.');">'.
               &mt('Select User').'</a></span>';
@@ -460,6 +487,19 @@ sub selectstudent_link {
    return '';
 }
 
+sub selectresource_link {
+   my ($form,$reslink,$arg)=@_;
+   
+   my $callargs = "'".&Apache::lonhtmlcommon::entity_encode($form)."','".
+                      &Apache::lonhtmlcommon::entity_encode($reslink)."'";
+   unless ($env{'request.course.id'}) { return $arg; }
+   return '<span class="LC_nobreak">'.
+              '<a href="javascript:openresbrowser('.$callargs.');">'.
+              $arg.'</a></span>';
+}
+
+
+
 sub authorbrowser_javascript {
     return <<"ENDAUTHORBRW";
 <script type="text/javascript" language="JavaScript">
@@ -1138,7 +1178,11 @@ a new window using Javascript. (Default
 
 $width and $height are optional numerical parameters that will
 override the width and height of the popped up window, which may
-be useful for certain help topics with big pictures included. 
+be useful for certain help topics with big pictures included.
+
+$imgid is the id of the img tag used for the help icon. This may be
+used in a javascript call to switch the image src.  See 
+lonhtmlcommon::htmlareaselectactive() for an example.
 
 =cut
 
@@ -1178,9 +1222,9 @@ sub help_open_topic {
     $template.=' <a target="_top" href="'.$link.'" title="'.$title.'">'
               .'<img src="'.$helpicon.'" border="0"'
               .' alt="'.&mt('Help: [_1]',$topic).'"'
-              .' title="'.$title.'" style="vertical-align:middle;"'.$imgid
+              .' title="'.$title.'" style="vertical-align:middle;"'.$imgid 
               .' /></a>';
-    if ($text ne "") {
+    if ($text ne "") {	
         $template.='</span>';
     }
     return $template;
@@ -1253,12 +1297,7 @@ ENDOUTPUT
 sub help_open_menu {
     my ($topic,$component_help,$faq,$bug,$stayOnPage,$width,$height,$text) 
 	= @_;    
-    $stayOnPage = 0 if (not defined $stayOnPage);
-    # only use pop-up help (stayOnPage == 0)
-    # if environment.remote is on (using remote control UI)
-    if ($env{'environment.remote'} eq 'off' ) {
-        $stayOnPage=1;
-    }
+    $stayOnPage = 1;
     my $output;
     if ($component_help) {
 	if (!$text) {
@@ -1279,8 +1318,8 @@ sub help_open_menu {
 sub top_nav_help {
     my ($text) = @_;
     $text = &mt($text);
-    my $stay_on_page = 
-	($env{'environment.remote'} eq 'off' );
+    my $stay_on_page = 1;
+
     my $link = ($stay_on_page) ? "javascript:helpMenu('display')"
 	                     : "javascript:helpMenu('open')";
     my $banner_link = &update_help_link(undef,undef,undef,undef,$stay_on_page);
@@ -1295,10 +1334,7 @@ END
 
 sub help_menu_js {
     my ($text) = @_;
-
-    my $stayOnPage = 
-	($env{'environment.remote'} eq 'off' );
-
+    my $stayOnPage = 1;
     my $width = 620;
     my $height = 600;
     my $helptopic=&general_help();
@@ -1355,10 +1391,7 @@ sub help_open_bug {
     unless ($env{'user.adv'}) { return ''; }
     unless ($Apache::lonnet::perlvar{'BugzillaHost'}) { return ''; }
     $text = "" if (not defined $text);
-    $stayOnPage = 0 if (not defined $stayOnPage);
-    if ($env{'environment.remote'} eq 'off' ) {
 	$stayOnPage=1;
-    }
     $width = 600 if (not defined $width);
     $height = 600 if (not defined $height);
 
@@ -1399,10 +1432,7 @@ sub help_open_faq {
     unless ($env{'user.adv'}) { return ''; }
     unless ($Apache::lonnet::perlvar{'FAQHost'}) { return ''; }
     $text = "" if (not defined $text);
-    $stayOnPage = 0 if (not defined $stayOnPage);
-    if ($env{'environment.remote'} eq 'off' ) {
 	$stayOnPage=1;
-    }
     $width = 350 if (not defined $width);
     $height = 400 if (not defined $height);
 
@@ -1780,7 +1810,7 @@ sub create_workbook {
         return (undef);
     }
     #
-    $workbook->set_tempdir('/home/httpd/perl/tmp');
+    $workbook->set_tempdir(LONCAPA::tempdir());
     #
     my $format = &Apache::loncommon::define_excel_formats($workbook);
     return ($workbook,$filename,$format);
@@ -1918,7 +1948,7 @@ sub multiple_select_form {
 Returns a string containing a <select name='$name' size='1'> form to 
 allow a user to select options from a ref to a hash containing:
 option_name => displayed text. An optional $onchange can include
-a javascript onchange item, e.g., onchange="this.form.submit();"
+a javascript onchange item, e.g., onchange="this.form.submit();"  
 
 See lonrights.pm for an example invocation and use.
 
@@ -1934,9 +1964,9 @@ sub select_form {
     my $selectform = "<select name=\"$name\" size=\"1\"$onchange>\n";
     my @keys;
     if (exists($hashref->{'select_form_order'})) {
-        @keys=@{$hashref->{'select_form_order'}};
+	@keys=@{$hashref->{'select_form_order'}};
     } else {
-        @keys=sort(keys(%{$hashref}));
+	@keys=sort(keys(%{$hashref}));
     }
     foreach my $key (@keys) {
         $selectform.=
@@ -2335,7 +2365,7 @@ function set_auth_radio_buttons(newvalue
     var numauthchoices = currentform.login.length;
     if (typeof numauthchoices  == "undefined") {
         return;
-    }
+    } 
     var i=0;
     while (i < numauthchoices) {
         if (currentform.login[i].value == newvalue) { break; }
@@ -3204,11 +3234,29 @@ sub languagedescription {
 	    ($supported_language{$code}?' ('.&mt('interface available').')':'');
 }
 
+=pod
+
+=item * &plainlanguagedescription
+
+Returns both the plain language description (e.g. 'Creoles and Pidgins, English-based (Other)')
+and the language character encoding (e.g. ISO) separated by a ' - ' string.
+
+=cut
+
 sub plainlanguagedescription {
     my $code=shift;
     return $language{$code};
 }
 
+=pod
+
+=item * &supportedlanguagecode
+
+Returns the supported language code (e.g. sptutf maps to pt) given a language
+code.
+
+=cut
+
 sub supportedlanguagecode {
     my $code=shift;
     return $supported_language{$code};
@@ -3216,6 +3264,21 @@ sub supportedlanguagecode {
 
 =pod
 
+=item * &latexlanguage()
+
+Given a language key code returns the correspondnig language to use
+to select the correct hyphenation on LaTeX printouts.  This is undef if there
+is no supported hyphenation for the language code.
+
+=cut
+
+sub latexlanguage {
+    my $code = shift;
+    return $latex_language{$code};
+}
+
+=pod
+
 =item * &copyrightids() 
 
 returns list of all copyrights
@@ -3308,7 +3371,7 @@ sub filemimetype {
 sub filecategoryselect {
     my ($name,$value)=@_;
     return &select_form($value,$name,
-			{'' => &mt('Any category'), map { $_,$_ } sort(keys(%category_extensions))});
+                        {'' => &mt('Any category'), map { $_,$_ } sort(keys(%category_extensions))});
 }
 
 =pod
@@ -3481,6 +3544,7 @@ sub get_previous_attempt {
 	  my $data=$parts[-1];
           next if ($data eq 'foilorder');
 	  pop(@parts);
+          $prevattempts.='<th>'.&mt('Part ').join('.',@parts).'<br />'.$data.'&nbsp;</th>';
           if ($data eq 'type') {
               unless ($showsurv) {
                   my $id = join(',',@parts);
@@ -3489,10 +3553,7 @@ sub get_previous_attempt {
                       $lasthidden{$ign.'.'.$id} = 1;
                   }
               }
-              delete($lasthash{$key});
-          } else {
-	      $prevattempts.='<th>'.&mt('Part ').join('.',@parts).'<br />'.$data.'&nbsp;</th>';
-          }
+          } 
 	} else {
 	  if ($#parts == 0) {
 	    $prevattempts.='<th>'.$parts[0].'</th>';
@@ -3609,7 +3670,7 @@ sub get_previous_attempt {
 
 sub format_previous_attempt_value {
     my ($key,$value) = @_;
-    if ($key =~ /timestamp/) {
+    if (($key =~ /timestamp/) || ($key=~/duedate/)) {
 	$value = &Apache::lonlocal::locallocaltime($value);
     } elsif (ref($value) eq 'ARRAY') {
 	$value = '('.join(', ', @{ $value }).')';
@@ -3623,7 +3684,7 @@ sub format_previous_attempt_value {
             }
             my $tag_internal_answer_name = 'INTERNAL';
             if ($anskeys[0] eq $tag_internal_answer_name) {
-                $value = $answer;
+                $value = $answer; 
             } else {
                 $value = $anskeys[0].'='.$answer;
             }
@@ -3634,7 +3695,7 @@ sub format_previous_attempt_value {
                     $answer =~ s{\0}{,}g;
                 }
                 $value .=  $ans.'='.$answer.'<br />';;
-            }
+            } 
         }
     } else {
 	$value = &unescape($value);
@@ -4422,7 +4483,7 @@ sub get_legacy_domconf {
             close($fh);
         }
     }
-    if (-e '/home/httpd/html/adm/lonDomLogos/'.$udom.'.gif') {
+    if (-e $Apache::lonnet::perlvar{'lonDocRoot'}.'/adm/lonDomLogos/'.$udom.'.gif') {
         $legacyhash{$udom.'.login.domlogo'} = "/adm/lonDomLogos/$udom.gif";
     }
     return %legacyhash;
@@ -4508,27 +4569,39 @@ sub designparm {
 
 =item * &authorspace()
 
-Inputs: ./.
+Inputs: $url (usually will be undef).
 
-Returns: Path to the Construction Space of the current user's
-         accessed author space
-         The author space will be that of the current user
-         when accessing the own author space
-         and that of the co-author/assistent co-author
-         when accessing the co-author's/assistent co-author's
-         space
+Returns: Path to Construction Space containing the resource or 
+         directory being viewed (or for which action is being taken). 
+         If $url is provided, and begins /priv/<domain>/<uname>
+         the path will be that portion of the $context argument.
+         Otherwise the path will be for the author space of the current
+         user when the current role is author, or for that of the 
+         co-author/assistant co-author space when the current role 
+         is co-author or assistant co-author.
 
 =cut
 
 sub authorspace {
+    my ($url) = @_;
+    if ($url ne '') {
+        if ($url =~ m{^(/priv/$match_domain/$match_username/)}) {
+           return $1;
+        }
+    }
     my $caname = '';
-    if ($env{'request.role'} =~ /^ca|^aa/) {
-        (undef,$caname) =
+    my $cadom = '';
+    if ($env{'request.role'} =~ /^(?:ca|aa)/) {
+        ($cadom,$caname) =
             ($env{'request.role'}=~/($match_domain)\/($match_username)$/);
-    } else {
+    } elsif ($env{'request.role'} =~ m{^au\./($match_domain)/}) {
         $caname = $env{'user.name'};
+        $cadom = $env{'user.domain'};
+    }
+    if (($caname ne '') && ($cadom ne '')) {
+        return "/priv/$cadom/$caname/";
     }
-    return '/priv/'.$caname.'/';
+    return;
 }
 
 ##############################################
@@ -4556,7 +4629,9 @@ sub head_subbox {
 
 =item * &CSTR_pageheader()
 
-Inputs: ./.
+Input: (optional) filename from which breadcrumb trail is built.
+       In most cases no input as needed, as $env{'request.filename'}
+       is appropriate for use in building the breadcrumb trail.
 
 Returns: HTML div with CSTR path and recent box
          To be included on Construction Space pages
@@ -4564,12 +4639,19 @@ Returns: HTML div with CSTR path and rec
 =cut
 
 sub CSTR_pageheader {
-    # this is for resources; directories have customtitle, and crumbs
-            # and select recent are created in lonpubdir.pm  
-    my ($uname,$thisdisfn)=
-        ($env{'request.filename'} =~ m|^/home/([^/]+)/public_html/(.*)|);
-    my $formaction='/priv/'.$uname.'/'.$thisdisfn;
-    $formaction=~s/\/+/\//g;
+    my ($trailfile) = @_;
+    if ($trailfile eq '') {
+        $trailfile = $env{'request.filename'};
+    }
+
+# this is for resources; directories have customtitle, and crumbs
+# and select recent are created in lonpubdir.pm
+
+    my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
+    my ($udom,$uname,$thisdisfn)=
+        ($trailfile =~ m{^\Q$londocroot\E/priv/([^/]+)/([^/]+)/(.*)$});
+    my $formaction = "/priv/$udom/$uname/$thisdisfn";
+    $formaction =~ s{/+}{/}g;
 
     my $parentpath = '';
     my $lastitem = '';
@@ -4586,7 +4668,7 @@ sub CSTR_pageheader {
         .'<b>'.&mt('Construction Space:').'</b> '
         .'<form name="dirs" method="post" action="'.$formaction
         .'" target="_top">' #FIXME lonpubdir: target="_parent"
-        .&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv',undef,undef);
+        .&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv/'.$udom,undef,undef);
 
     if ($lastitem) {
         $output .=
@@ -4642,9 +4724,6 @@ Inputs:
 
 =item * $bgcolor, used to override the bgcolor on a webpage to a specific value
 
-=item * $no_inline_link, if true and in remote mode, don't show the 
-         'Switch To Inline Menu' link
-
 =item * $args, optional argument valid values are
             no_auto_mt_title -> prevents &mt()ing the title arg
             inherit_jsmath -> when creating popup window in a page,
@@ -4662,7 +4741,7 @@ other decorations will be returned.
 
 sub bodytag {
     my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,
-        $no_nav_bar,$bgcolor,$no_inline_link,$args)=@_;
+        $no_nav_bar,$bgcolor,$args)=@_;
 
     my $public;
     if ((($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public'))
@@ -4704,8 +4783,6 @@ sub bodytag {
     }
 
     if (!$realm) { $realm='&nbsp;'; }
-# Set messages
-    my $messages=&domainlogo($domain);
 
     my $extra_body_attr = &make_attr_string($forcereg,\%design);
 
@@ -4723,7 +4800,7 @@ sub bodytag {
     } else {
 	$name = &aboutmewrapper($name,$env{'user.name'},$env{'user.domain'});
     }
-
+    
     my $titleinfo = '<h1>'.$title.'</h1>';
     #
     # Extra info if you are the DC
@@ -4739,11 +4816,9 @@ sub bodytag {
     $role = '<span class="LC_nobreak">('.$role.')</span>' if $role;
     &get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['inhibitmenu']);
 
-    if ($env{'environment.remote'} ne 'on') {
-        # No Remote
         if ($no_nav_bar || $env{'form.inhibitmenu'} eq 'yes') { 
-            return $bodytag;
-        }
+            return $bodytag; 
+        } 
 
         if ($env{'request.state'} eq 'construct') { $forcereg=1; }
 
@@ -4761,10 +4836,6 @@ sub bodytag {
                 <em>$realm</em> $dc_info</div>|;
             return $bodytag;
         }
-        if (($env{'request.noversionuri'} =~ m{^/adm/navmaps}) &&
-             ($env{'environment.remotenavmap'} eq 'on')) {
-            return $bodytag;
-        }
 
         unless ($env{'request.symb'} =~ m/\.page___\d+___/) {
             $bodytag .= qq|<div id="LC_nav_bar">$name $role</div>|;
@@ -4786,7 +4857,7 @@ sub bodytag {
             $bodytag .= Apache::lonmenu::serverform();
             $bodytag .= Apache::lonhtmlcommon::scripttag('', 'end');
             if ($env{'request.state'} eq 'construct') {
-                $bodytag .= &Apache::lonmenu::innerregister($forcereg,'',
+                $bodytag .= &Apache::lonmenu::innerregister($forcereg,
                                 $args->{'bread_crumbs'});
             } elsif ($forcereg) { 
                 $bodytag .= &Apache::lonmenu::innerregister($forcereg);
@@ -4799,43 +4870,6 @@ sub bodytag {
         }
 
         return $bodytag;
-    }
-
-#
-# Top frame rendering, Remote is up
-#
-
-    my $imgsrc = $img;
-    if ($img =~ /^\/adm/) {
-        $imgsrc = &lonhttpdurl($img);
-    }
-    my $upperleft='<img src="'.$imgsrc.'" alt="'.$function.'" />';
-
-    # Explicit link to get inline menu
-    my $menu= ($no_inline_link?''
-	       :'<a href="/adm/remote?action=collapse" target="_top">'.&mt('Switch to Inline Menu Mode').'</a>');
-
-    if ($dc_info) {
-        $dc_info = qq|<span class="LC_cusr_subheading">($dc_info)</span>|;
-    }
-
-    unless ($env{'form.inhibitmenu'}) {
-        $bodytag .= qq|<div id="LC_nav_bar">$name $role</div>
-                       <ol class="LC_primary_menu LC_right">
-                       <li>$menu</li>
-                       </ol><div id="LC_realm"> $realm $dc_info</div>|;
-    }
-
-    return(<<ENDBODY);
-$bodytag
-<table id="LC_title_bar" class="LC_with_remote">
-<tr><td>$upperleft</td>
-    <td>$messages&nbsp;</td>
-</tr>
-<tr><td>$titleinfo $dc_info $menu</td>
-</tr>
-</table>
-ENDBODY
 }
 
 sub dc_courseid_toggle {
@@ -4867,22 +4901,8 @@ sub make_attr_string {
 		delete($attr_ref->{$key});
 	    }
 	}
-	$attr_ref->{'onload'}  =
-	    &Apache::lonmenu::loadevents().  $on_load;
-	$attr_ref->{'onunload'}=
-	    &Apache::lonmenu::unloadevents().$on_unload;
-    }
-
-# Accessibility font enhance
-    if ($env{'browser.fontenhance'} eq 'on') {
-	my $style;
-	foreach my $key (keys(%{$attr_ref})) {
-	    if (lc($key) eq 'style') {
-		$style.=$attr_ref->{$key}.';';
-		delete($attr_ref->{$key});
-	    }
-	}
-	$attr_ref->{'style'}=$style.'; font-size: x-large;';
+	$attr_ref->{'onload'}  = $on_load;
+	$attr_ref->{'onunload'}= $on_unload;
     }
 
     my $attr_string;
@@ -4980,6 +5000,7 @@ sub standard_css {
       $env{'browser.type'} eq 'safari'     ) ? '0 2px 0 2px'
                                              : '0 3px 0 4px';
 
+
     return <<END;
 
 /* needed for iframe to allow 100% height in FF */
@@ -5046,6 +5067,10 @@ form, .inline {
   text-decoration:none;
 }
 
+.LC_setting {
+  text-decoration:underline;
+}
+
 .LC_error {
   color: red;
   font-size: larger;
@@ -5213,11 +5238,6 @@ td.LC_table_cell_checkbox {
   text-align: left;
 }
 
-/* Preliminary fix to hide breadcrumbs inside remote control window */
-#LC_remote #LC_breadcrumbs {
-  display:none;
-}
-
 .LC_head_subbox {
   clear:both;
   background: #F8F8F8; /* $sidebg; */
@@ -5295,14 +5315,6 @@ table.LC_nested {
   width: 100%;
 }
 
-.ui-accordion,
-.ui-accordion table.LC_data_table,
-.ui-accordion table.LC_nested_outer{
-  border: 0px;
-  border-spacing: 0px;
-  margin: 3px;
-}
-
 table.LC_data_table tr th,
 table.LC_calendar tr th,
 table.LC_prior_tries tr th,
@@ -5418,22 +5430,6 @@ table.LC_nested tr td.LC_right_item {
   text-align: right;
 }
 
-.ui-accordion table.LC_nested tr.LC_odd_row td.LC_left_item,
-.ui-accordion table.LC_nested tr.LC_even_row td.LC_left_item {
-  text-align: right;
-  width: 40%;
-  padding-right:10px;
-  vertical-align: top;
-  padding: 5px;
-}
-
-.ui-accordion table.LC_nested tr.LC_odd_row td.LC_right_item,
-.ui-accordion table.LC_nested tr.LC_even_row td.LC_right_item {
-  text-align: left;
-  width: 60%;
-  padding: 2px 4px;
-}
-
 table.LC_nested tr.LC_odd_row td {
   background-color: #EEEEEE;
 }
@@ -5760,16 +5756,6 @@ table.LC_group_priv td {
   padding: 0;
 }
 
-table.LC_notify_front_page {
-  background: white;
-  border: 1px solid black;
-  padding: 8px;
-}
-
-table.LC_notify_front_page td {
-  padding: 8px;
-}
-
 .LC_navbuttons {
   margin: 2ex 0ex 2ex 0ex;
 }
@@ -6220,22 +6206,12 @@ fieldset > legend {
   font-style: normal;
 }
 
-/* Preliminary fix to hide nav_bar inside bookmarks window */
-#LC_bookmarks #LC_nav_bar {
-  display:none;
-}
-
 ol.LC_primary_menu {
   float: right;
   margin: 0;
   background-color: $pgbg_or_bgcolor;
 }
 
-ol.LC_primary_menu a.LC_new_message {
-  font-weight:bold;
-  color: darkred;
-}
-
 ol#LC_PathBreadcrumbs {
   margin: 0;
 }
@@ -6256,6 +6232,11 @@ ol.LC_primary_menu a {
   text-decoration: none;
 }
 
+ol.LC_primary_menu a.LC_new_message {
+  font-weight:bold;
+  color: darkred;
+}
+
 ol.LC_docs_parameters {
   margin-left: 0;
   padding: 0;
@@ -6305,7 +6286,7 @@ ul.LC_TabContent {
   background: $sidebg;
   border-bottom: solid 1px $lg_border_color;
   list-style:none;
-  margin: 0 -10px;
+  margin: -1px -10px 0 -10px;
   padding: 0;
 }
 
@@ -6328,7 +6309,7 @@ ul.LC_TabContent li {
   padding: 0 16px 0 10px;
   background-color:$tabbg;
   border-bottom:solid 1px $lg_border_color;
-  border-right: solid 1px $font;
+  border-left: solid 1px $font;
 }
 
 ul.LC_TabContent .right {
@@ -6398,7 +6379,7 @@ ul.LC_TabContentBigger li a {
   text-align: center;
   display: block;
   text-decoration: none;
-  outline: none;
+  outline: none;  
 }
 
 ul.LC_TabContentBigger li.active a {
@@ -6422,16 +6403,15 @@ ul.LC_TabContentBigger li.active b {
   background:url('/adm/lonIcons/tabbgright.gif') right top no-repeat;
   color:$font;
   border: 0;
-  cursor:default;
 }
 
+
 ul.LC_CourseBreadcrumbs {
   background: $sidebg;
-  line-height: 32px;
+  height: 2em;
   padding-left: 10px;
-  margin: 0 0 10px 0;
+  margin: 0;
   list-style-position: inside;
-
 }
 
 ol#LC_MenuBreadcrumbs,
@@ -6473,6 +6453,11 @@ ol#LC_PathBreadcrumbs li a {
   padding: 0 10px 10px 10px;
 }
 
+.LC_DocsBox {
+  border: solid 1px $lg_border_color;
+  padding: 0 0 10px 10px;
+}
+
 .LC_AboutMe_Image {
   float:left;
   margin-right:10px;
@@ -6593,14 +6578,6 @@ a#LC_content_toolbar_firsthomework {
   background-image:url(/res/adm/pages/open-first-problem.gif);
 }
 
-a#LC_content_toolbar_launchnav {
-  background-image:url(/res/adm/pages/start-navigation.gif);
-}
-
-a#LC_content_toolbar_closenav {
-  background-image:url(/res/adm/pages/close-navigation.gif);
-}
-
 a#LC_content_toolbar_everything {
   background-image:url(/res/adm/pages/show-all.gif);
 }
@@ -6685,10 +6662,8 @@ ul.LC_funclist li {
   line-height: 150%;
 }
 
-.ui-accordion .LC_advanced_toggle {
-  float: right;
-  font-size: 90%;
-  padding: 0px 4px
+.LC_hidden {
+  display: none;
 }
 
 END
@@ -6742,8 +6717,8 @@ sub headtag {
     if (!$args->{'frameset'}) {
 	$result .= &Apache::lonhtmlcommon::htmlareaheaders();
     }
-    if ($args->{'force_register'}) {
-	$result .= &Apache::lonmenu::registerurl(1);
+    if ($args->{'force_register'} && $env{'request.noversionuri'} !~ m{^/res/adm/pages/}) {
+        $result .= Apache::lonxml::display_title();
     }
     if (!$args->{'no_nav_bar'} 
 	&& !$args->{'only_body'}
@@ -6769,7 +6744,7 @@ ADDMETA
     $result .= '<title> LON-CAPA '.$title.'</title>'
 	.'<link rel="stylesheet" type="text/css" href="'.$url.'" />'
 	.$head_extra;
-    return $result;
+    return $result.'</head>';
 }
 
 =pod
@@ -6822,43 +6797,6 @@ sub xml_begin {
 
 =pod
 
-=item * &endheadtag()
-
-Returns a uniform </head> for LON-CAPA web pages.
-
-Inputs: none
-
-=cut
-
-sub endheadtag {
-    return '</head>';
-}
-
-=pod
-
-=item * &head()
-
-Returns a uniform complete <head>..</head> section for LON-CAPA web pages.
-
-Inputs:
-
-=over 4
-
-$title - optional title for the page
-
-$head_extra - optional extra HTML to put inside the <head>
-
-=back
-
-=cut
-
-sub head {
-    my ($title,$head_extra,$args) = @_;
-    return &headtag($title,$head_extra,$args).&endheadtag();
-}
-
-=pod
-
 =item * &start_page()
 
 Returns a complete <html> .. <body> section for LON-CAPA web pages.
@@ -6896,8 +6834,6 @@ $args - additional optional args support
              skip_phases    -> hash ref of 
                                     head -> skip the <html><head> generation
                                     body -> skip all <body> generation
-             no_inline_link -> if true and in remote mode, don't show the 
-                                    'Switch To Inline Menu' link
              no_auto_mt_title -> prevent &mt()ing the title arg
              inherit_jsmath -> when creating popup window in a page,
                                     should it have jsmath forced on by the
@@ -6914,6 +6850,14 @@ $args - additional optional args support
 sub start_page {
     my ($title,$head_extra,$args) = @_;
     #&Apache::lonnet::logthis("start_page ".join(':',caller(0)));
+#SD
+#I don't see why we copy certain elements of %$args to %head_args
+#head args is passed to headtag() and this routine only reads those
+#keys that are needed. There doesn't happen any writes or any processing
+#of other keys.
+#proposal: just pass $args to headtag instead of \%head_args and delete 
+#marked lines
+#<- MARK
     my %head_args;
     foreach my $arg ('redirect','force_register','domain','function',
 		     'bgcolor','frameset','no_nav_bar','only_body',
@@ -6922,13 +6866,16 @@ sub start_page {
 	    $head_args{$arg} = $args->{$arg};
 	}
     }
+#MARK ->
 
     $env{'internal.start_page'}++;
     my $result;
+
     if (! exists($args->{'skip_phases'}{'head'}) ) {
-	$result.=
-	    &xml_begin().
-	    &headtag($title,$head_extra,\%head_args).&endheadtag();
+        $result .= 
+                  &xml_begin() . &headtag($title,$head_extra,\%head_args);
+#replace prev line by
+#                 &xml_begin() . &headtag($title, $head_extra, $args);
     }
     
     if (! exists($args->{'skip_phases'}{'body'}) ) {
@@ -6942,8 +6889,7 @@ sub start_page {
                          $args->{'function'},       $args->{'add_entries'},
                          $args->{'only_body'},      $args->{'domain'},
                          $args->{'force_register'}, $args->{'no_nav_bar'},
-                         $args->{'bgcolor'},        $args->{'no_inline_link'},
-                         $args);
+                         $args->{'bgcolor'},        $args);
         }
     }
 
@@ -6959,14 +6905,10 @@ sub start_page {
     #            $result .= &build_functionlist();
     #}
 
-    # Don't add anything more if only_body wanted
-    return $result if $args->{'only_body'};
+    # Don't add anything more if only_body wanted or in const space
+    return $result if    $args->{'only_body'} 
+                      || $env{'request.state'} eq 'construct';
 
-    #Breadcrumbs for Construction Space provided by &bodytag. 
-    if (($env{'environment.remote'} eq 'off') && ($env{'request.state'} eq 'construct')) {
-        return $result;
-    }
- 
     #Breadcrumbs
     if (exists($args->{'bread_crumbs'}) or exists($args->{'bread_crumbs_component'})) {
 		&Apache::lonhtmlcommon::clear_breadcrumbs();
@@ -6987,28 +6929,6 @@ sub start_page {
     return $result;
 }
 
-
-=pod
-
-=item * &head()
-
-Returns a complete </body></html> section for LON-CAPA web pages.
-
-Inputs:         $args - additional optional args supported are:
-                 js_ready     -> return a string ready for being used in 
-                                 a javascript writeln
-                 html_encode  -> return a string ready for being used in 
-                                 a html attribute
-                 frameset     -> if true will start with a <frameset>
-                                 rather than <body>
-                 dicsussion   -> if true will get discussion from
-                                  lonxml::xmlend
-                                 (you can pass the target and parser arguments
-                                  through optional 'target' and 'parser' args
-                                  to this routine)
-
-=cut
-
 sub end_page {
     my ($args) = @_;
     $env{'internal.end_page'}++;
@@ -7083,6 +7003,24 @@ sub validate_page {
     }
 }
 
+
+sub start_scrollbox {
+    my ($outerwidth,$width,$height,$id)=@_;
+    unless ($outerwidth) { $outerwidth='520px'; }
+    unless ($width) { $width='500px'; }
+    unless ($height) { $height='200px'; }
+    my ($table_id,$div_id);
+    if ($id ne '') {
+        $table_id = " id='table_$id'";
+        $div_id = " id='div_$id'";
+    }
+    return "<table style='width: $outerwidth; border: 1px solid none;'$table_id><tr><td style='width: $width;' bgcolor='#FFFFFF'><div style='overflow:auto; width:$width; height: $height;'$div_id>";
+}
+
+sub end_scrollbox {
+    return '</td></tr></table>';
+}
+
 sub simple_error_page {
     my ($r,$title,$msg) = @_;
     my $page =
@@ -7110,30 +7048,36 @@ sub simple_error_page {
     }
 
     sub start_data_table {
-	my ($add_class) = @_;
+	my ($add_class,$id) = @_;
 	my $css_class = (join(' ','LC_data_table',$add_class));
-        &start_data_table_count();
-	return '<table class="'.$css_class.'">'."\n";
+        my $table_id;
+        if (defined($id)) {
+            $table_id = ' id="'.$id.'"';
+        }
+	&start_data_table_count();
+	return '<table class="'.$css_class.'"'.$table_id.'>'."\n";
     }
 
     sub end_data_table {
-        &end_data_table_count();
+	&end_data_table_count();
 	return '</table>'."\n";;
     }
 
     sub start_data_table_row {
-	my ($add_class) = @_;
+	my ($add_class, $id) = @_;
 	$row_count[0]++;
 	my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row';
 	$css_class = (join(' ',$css_class,$add_class)) unless ($add_class eq '');
-	return  '<tr class="'.$css_class.'">'."\n";;
+        $id = (' id="'.$id.'"') unless ($id eq '');
+        return  '<tr class="'.$css_class.'"'.$id.'>'."\n";
     }
     
     sub continue_data_table_row {
-	my ($add_class) = @_;
+	my ($add_class, $id) = @_;
 	my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row';
-	$css_class = (join(' ',$css_class,$add_class)) unless ($add_class eq '');;
-	return  '<tr class="'.$css_class.'">'."\n";;
+	$css_class = (join(' ',$css_class,$add_class)) unless ($add_class eq '');
+        $id = (' id="'.$id.'"') unless ($id eq '');
+        return  '<tr class="'.$css_class.'"'.$id.'>'."\n";
     }
 
     sub end_data_table_row {
@@ -7238,7 +7182,7 @@ sub get_users_function {
         $function='admin';
     }
     if (($env{'request.role'}=~/^(au|ca|aa)/) ||
-        ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
+        ($ENV{'REQUEST_URI'}=~ m{/^(/priv)})) {
         $function='author';
     }
     return $function;
@@ -7973,7 +7917,7 @@ sub user_picker {
     my ($newuserscript,$new_user_create);
     my $context_dom = $env{'request.role.domain'};
     if ($context eq 'requestcrs') {
-        if ($env{'form.coursedom'} ne '') {
+        if ($env{'form.coursedom'} ne '') { 
             $context_dom = $env{'form.coursedom'};
         }
     }
@@ -8561,9 +8505,9 @@ sub ask_for_embedded_content {
         $url .= $current_path;
         $getpropath = 1;
     } elsif (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank') ||
-             ($actionurl eq '/adm/imsimport')) {
-        ($uname,my $rest) = ($args->{'current_path'} =~ m{/priv/($match_username)/?(.*)$});
-        $url = '/home/'.$uname.'/public_html/';
+             ($actionurl eq '/adm/imsimport')) { 
+        my ($udom,$uname,$rest) = ($args->{'current_path'} =~ m{/priv/($match_domain)/($match_username)/?(.*)$});
+        $url = $Apache::lonnet::perlvar{'lonDocRoot'}."/priv/$udom/$uname/";
         $toplevel = $url;
         if ($rest ne '') {
             $url .= $rest;
@@ -8612,11 +8556,14 @@ sub ask_for_embedded_content {
     }
     foreach my $path (keys(%subdependencies)) {
         my %currsubfile;
-        if (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
-            my @subdir_list = &Apache::lonnet::dirlist($url.$path,$udom,$uname,$getpropath);
-            foreach my $line (@subdir_list) {
-                my ($file_name,$rest) = split(/\&/,$line,2);
-                $currsubfile{$file_name} = 1;
+        if (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) { 
+            my ($sublistref,$listerror) =
+                &Apache::lonnet::dirlist($url.$path,$udom,$uname,$getpropath);
+            if (ref($sublistref) eq 'ARRAY') {
+                foreach my $line (@{$sublistref}) {
+                    my ($file_name,$rest) = split(/\&/,$line,2);
+                    $currsubfile{$file_name} = 1;
+                }
             }
         } elsif (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank')) {
             if (opendir(my $dir,$url.'/'.$path)) {
@@ -8639,10 +8586,13 @@ sub ask_for_embedded_content {
     }
     my %currfile;
     if (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
-        my @dir_list = &Apache::lonnet::dirlist($url,$udom,$uname,$getpropath);
-        foreach my $line (@dir_list) {
-            my ($file_name,$rest) = split(/\&/,$line,2);
-            $currfile{$file_name} = 1;
+        my ($dirlistref,$listerror) =
+            &Apache::lonnet::dirlist($url,$udom,$uname,$getpropath);
+        if (ref($dirlistref) eq 'ARRAY') {
+            foreach my $line (@{$dirlistref}) {
+                my ($file_name,$rest) = split(/\&/,$line,2);
+                $currfile{$file_name} = 1;
+            }
         }
     } elsif (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank')) {
         if (opendir(my $dir,$url)) {
@@ -8720,7 +8670,7 @@ sub ask_for_embedded_content {
     } elsif ($applies) {
         $output = '<b>'.&mt('Referenced files').'</b>:<br />';
         if ($applies > 1) {
-            $output .=
+            $output .=  
                 &mt('No files need to be uploaded, as one of the following applies to each reference:').'<ul>';
             if ($numremref) {
                 $output .= '<li>'.&mt('reference is to a URL which points to another server').'</li>'."\n";
@@ -8750,7 +8700,7 @@ sub ask_for_embedded_content {
                                                   $embed_file,\%mapping,
                                                   $allfiles,$codebase);
             } else {
-                $pathchange_output .=
+                $pathchange_output .= 
                     &start_data_table_row().
                     '<td><input type ="checkbox" name="namechange" value="'.
                     $chgcount.'" checked="checked" /></td>'.
@@ -8769,7 +8719,7 @@ sub ask_for_embedded_content {
             $output .= '<input type ="hidden" name="number_pathchange_items" value="'.
                        $numpathchg.'" />'."\n";
         }
-        if (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank') ||
+        if (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank') || 
             ($actionurl eq '/adm/imsimport')) {
             $output .= '<input type="hidden" name="phase" value="three" />'."\n";
         } elsif ($actionurl eq '/adm/portfolio' || $actionurl eq '/adm/coursegrp_portfolio') {
@@ -8781,8 +8731,8 @@ sub ask_for_embedded_content {
         my %pathchange = ();
         $output .= &modify_html_form('pathchange',$actionurl,$state,\%pathchange,$pathchange_output);
         if (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
-            $output .= '<p>'.&mt('or').'</p>';
-        }
+            $output .= '<p>'.&mt('or').'</p>'; 
+        } 
     }
     return ($output,$num,$numpathchg);
 }
@@ -8797,7 +8747,7 @@ sub embedded_file_element {
     }
     $output .= '<input name="embedded_orig_'.$num.'" type="hidden" value="'.
                &escape($embed_file).'" />';
-    unless (($context eq 'upload_embedded') &&
+    unless (($context eq 'upload_embedded') && 
             ($mapping->{$embed_file} eq $embed_file)) {
         $output .='
         <input name="embedded_ref_'.$num.'" type="hidden" value="'.&escape($mapping->{$embed_file}).'" />';
@@ -8898,7 +8848,7 @@ sub upload_embedded {
                     next;
                 } else {
                     $output .= &mt('Uploaded [_1]','<span class="LC_filename">'.
-                               $path.$fname.'</span>').'<br />'; 
+                               $path.$fname.'</span>').'<br />';     
                 }
             }
         } elsif ($context eq 'coursedoc') {
@@ -8921,12 +8871,12 @@ sub upload_embedded {
             my $fullpath = $dir_root.$dirpath.'/'.$path;
             my $dest = $fullpath.$fname;
             my $url = $url_root.$dirpath.'/'.$path.$fname;
-            my @parts=split(/\//,$fullpath);
+            my @parts=split(/\//,"$dirpath/$path");
             my $count;
             my $filepath = $dir_root;
-            for ($count=4;$count<=$#parts;$count++) {
-                $filepath .= "/$parts[$count]";
-                if ((-e $filepath)!=1) {
+            foreach my $subdir (@parts) {
+                $filepath .= "/$subdir";
+                if (!-e $filepath) {
                     mkdir($filepath,0770);
                 }
             }
@@ -9005,7 +8955,7 @@ sub modify_html_form {
                     '<input type="hidden" name="embedded_orig_'.$i.'" value="'.
                     &escape($env{'form.embedded_orig_'.$i}).'" /></td>'.
                     &end_data_table_row();
-            }
+            } 
         }
     } else {
         $modifyform = $pathchgtable;
@@ -9045,8 +8995,7 @@ sub modify_html_refs {
     } elsif ($context eq 'coursedoc') {
         $container = $env{'form.primaryurl'};
     } else {
-        $container = $env{'form.filename'};
-        $container =~ s{^/priv/(\Q$uname\E)/(.*)}{/home/$1/public_html/$2};
+        $container = $Apache::lonnet::perlvar{'lonDocRoot'}.$env{'form.filename'};
     }
     my (%allfiles,%codebase,$output,$content);
     my @changes = &get_env_multiple('form.namechange');
@@ -9056,7 +9005,7 @@ sub modify_html_refs {
         $content = &Apache::lonnet::getfile($container);
         return if ($content eq '-1');
     } else {
-        return unless ($container =~ /^\Q$dir_root\E/);
+        return unless ($container =~ /^\Q$dir_root\E/); 
         if (open(my $fh,"<$container")) {
             $content = join('', <$fh>);
             close($fh);
@@ -9068,7 +9017,7 @@ sub modify_html_refs {
     my $mm = new File::MMagic;
     my $mime_type = $mm->checktype_contents($content);
     if ($mime_type eq 'text/html') {
-        my $parse_result =
+        my $parse_result = 
             &Apache::lonnet::extract_embedded_items($container,\%allfiles,
                                                     \%codebase,\$content);
         if ($parse_result eq 'ok') {
@@ -9101,7 +9050,7 @@ sub modify_html_refs {
                         my ($fname) = ($container =~ m{/([^/]+)$});
                         $output = '<p>'.&mt('Updated [quant,_1,reference] in [_2].',
                                             $count,'<span class="LC_filename">'.
-                                            $fname.'</span>').'</p>';
+                                            $fname.'</span>').'</p>'; 
                     } else {
                          $output = '<p class="LC_error">'.
                                    &mt('Error: update failed for: [_1].',
@@ -9153,7 +9102,7 @@ sub check_for_upload {
     my $filesize = length($env{'form.'.$element});
     if (!$filesize) {
         my $msg = '<span class="LC_error">'.
-                  &mt('Unable to upload [_1]. (size = [_2] bytes)',
+                  &mt('Unable to upload [_1]. (size = [_2] bytes)', 
                       '<span class="LC_filename">'.$fname.'</span>',
                       $filesize).'<br />'.
                   &mt('Either the file you attempted to upload was empty, or your web browser was unable to read its contents.').'<br />'.
@@ -9162,8 +9111,8 @@ sub check_for_upload {
     }
     $filesize =  $filesize/1000; #express in k (1024?)
     my $getpropath = 1;
-    my @dir_list = &Apache::lonnet::dirlist($portfolio_root.$path,$udom,$uname,
-                                            $getpropath);
+    my ($dirlistref,$listerror) =
+         &Apache::lonnet::dirlist($portfolio_root.$path,$udom,$uname,$getpropath);
     my $found_file = 0;
     my $locked_file = 0;
     my @lockers;
@@ -9171,48 +9120,50 @@ sub check_for_upload {
     if ($env{'request.course.id'}) {
         $navmap = Apache::lonnavmaps::navmap->new();
     }
-    foreach my $line (@dir_list) {
-        my ($file_name,$rest)=split(/\&/,$line,2);
-        if ($file_name eq $fname){
-            $file_name = $path.$file_name;
-            if ($group ne '') {
-                $file_name = $group.$file_name;
-            }
-            $found_file = 1;
-            if (&Apache::lonnet::is_locked($file_name,$udom,$uname,\@lockers) eq 'true') {
-                foreach my $lock (@lockers) {
-                    if (ref($lock) eq 'ARRAY') {
-                        my ($symb,$crsid) = @{$lock};
-                        if ($crsid eq $env{'request.course.id'}) {
-                            if (ref($navmap)) {
-                                my $res = $navmap->getBySymb($symb);
-                                foreach my $part (@{$res->parts()}) {
-                                    my ($slot_status,$slot_time,$slot_name)=$res->check_for_slot($part);
-                                    unless (($slot_status == $res->RESERVED) ||
-                                            ($slot_status == $res->RESERVED_LOCATION)) {
-                                        $locked_file = 1;
+    if (ref($dirlistref) eq 'ARRAY') {
+        foreach my $line (@{$dirlistref}) {
+            my ($file_name,$rest)=split(/\&/,$line,2);
+            if ($file_name eq $fname){
+                $file_name = $path.$file_name;
+                if ($group ne '') {
+                    $file_name = $group.$file_name;
+                }
+                $found_file = 1;
+                if (&Apache::lonnet::is_locked($file_name,$udom,$uname,\@lockers) eq 'true') {
+                    foreach my $lock (@lockers) {
+                        if (ref($lock) eq 'ARRAY') {
+                            my ($symb,$crsid) = @{$lock};
+                            if ($crsid eq $env{'request.course.id'}) {
+                                if (ref($navmap)) {
+                                    my $res = $navmap->getBySymb($symb);
+                                    foreach my $part (@{$res->parts()}) { 
+                                        my ($slot_status,$slot_time,$slot_name)=$res->check_for_slot($part);
+                                        unless (($slot_status == $res->RESERVED) ||
+                                                ($slot_status == $res->RESERVED_LOCATION)) {
+                                            $locked_file = 1;
+                                        }
                                     }
+                                } else {
+                                    $locked_file = 1;
                                 }
                             } else {
                                 $locked_file = 1;
                             }
-                        } else {
-                            $locked_file = 1;
                         }
-                    }
-                }
-            } else {
-                my @info = split(/\&/,$rest);
-                my $currsize = $info[6]/1000;
-                if ($currsize < $filesize) {
-                    my $extra = $filesize - $currsize;
-                    if (($current_disk_usage + $extra) > $disk_quota) {
-                        my $msg = '<span class="LC_error">'.
-                                  &mt('Unable to upload [_1]. (size = [_2] kilobytes). Disk quota will be exceeded if existing (smaller) file with same name (size = [_3] kilobytes) is replaced.',
-                                      '<span class="LC_filename">'.$fname.'</span>',$filesize,$currsize).'</span>'.
-                                  '<br />'.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.',
-                                               $disk_quota,$current_disk_usage);
-                        return ('will_exceed_quota',$msg);
+                   }
+                } else {
+                    my @info = split(/\&/,$rest);
+                    my $currsize = $info[6]/1000;
+                    if ($currsize < $filesize) {
+                        my $extra = $filesize - $currsize;
+                        if (($current_disk_usage + $extra) > $disk_quota) {
+                            my $msg = '<span class="LC_error">'.
+                                      &mt('Unable to upload [_1]. (size = [_2] kilobytes). Disk quota will be exceeded if existing (smaller) file with same name (size = [_3] kilobytes) is replaced.',
+                                          '<span class="LC_filename">'.$fname.'</span>',$filesize,$currsize).'</span>'.
+                                      '<br />'.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.',
+                                                   $disk_quota,$current_disk_usage);
+                            return ('will_exceed_quota',$msg);
+                        }
                     }
                 }
             }
@@ -9284,6 +9235,113 @@ sub check_for_traversal {
 
 =pod
 
+=item * &get_turnedin_filepath()
+
+Determines path in a user's portfolio file for storage of files uploaded
+to a specific essayresponse or dropbox item.
+
+Inputs: 3 required + 1 optional.
+$symb is symb for resource, $uname and $udom are for current user (required).
+$caller is optional (can be "submission", if routine is called when storing
+an upoaded file when "Submit Answer" button was pressed).
+
+Returns array containing $path and $multiresp. 
+$path is path in portfolio.  $multiresp is 1 if this resource contains more
+than one file upload item.  Callers of routine should append partid as a 
+subdirectory to $path in cases where $multiresp is 1.
+
+Called by: homework/essayresponse.pm and homework/structuretags.pm
+
+=cut
+
+sub get_turnedin_filepath {
+    my ($symb,$uname,$udom,$caller) = @_;
+    my ($map,$resid,$resurl)=&Apache::lonnet::decode_symb($symb);
+    my $turnindir;
+    my %userhash = &Apache::lonnet::userenvironment($udom,$uname,'turnindir');
+    $turnindir = $userhash{'turnindir'};
+    my ($path,$multiresp);
+    if ($turnindir eq '') {
+        if ($caller eq 'submission') {
+            $turnindir = &mt('turned in');
+            $turnindir =~ s/\W+/_/g;
+            my %newhash = (
+                            'turnindir' => $turnindir,
+                          );
+            &Apache::lonnet::put('environment',\%newhash,$udom,$uname);
+        }
+    }
+    if ($turnindir ne '') {
+        $path = '/'.$turnindir.'/';
+        my ($multipart,$turnin,@pathitems);
+        my $navmap = Apache::lonnavmaps::navmap->new();
+        if (defined($navmap)) {
+            my $mapres = $navmap->getResourceByUrl($map);
+            if (ref($mapres)) {
+                my $pcslist = $mapres->map_hierarchy();
+                if ($pcslist ne '') {
+                    foreach my $pc (split(/,/,$pcslist)) {
+                        my $res = $navmap->getByMapPc($pc);
+                        if (ref($res)) {
+                            my $title = $res->compTitle();
+                            $title =~ s/\W+/_/g;
+                            if ($title ne '') {
+                                push(@pathitems,$title);
+                            }
+                        }
+                    }
+                }
+                my $maptitle = $mapres->compTitle();
+                $maptitle =~ s/\W+/_/g;
+                if ($maptitle ne '') {
+                    push(@pathitems,$maptitle);
+                }
+                unless ($env{'request.state'} eq 'construct') {
+                    my $res = $navmap->getBySymb($symb);
+                    if (ref($res)) {
+                        my $partlist = $res->parts();
+                        my $totaluploads = 0;
+                        if (ref($partlist) eq 'ARRAY') {
+                            foreach my $part (@{$partlist}) {
+                                my @types = $res->responseType($part);
+                                my @ids = $res->responseIds($part);
+                                for (my $i=0; $i < scalar(@ids); $i++) {
+                                    if ($types[$i] eq 'essay') {
+                                        my $partid = $part.'_'.$ids[$i];
+                                        if (&Apache::lonnet::EXT("resource.$partid.uploadedfiletypes") ne '') {
+                                            $totaluploads ++;
+                                        }
+                                    }
+                                }
+                            }
+                            if ($totaluploads > 1) {
+                                $multiresp = 1;
+                            }
+                        }
+                    }
+                }
+            } else {
+                return;
+            }
+        } else {
+            return;
+        }
+        my $restitle=&Apache::lonnet::gettitle($symb);
+        $restitle =~ s/\W+/_/g;
+        if ($restitle eq '') {
+            $restitle = ($resurl =~ m{/[^/]+$});
+            if ($restitle eq '') {
+                $restitle = time;
+            }
+        }
+        push(@pathitems,$restitle);
+        $path .= join('/',@pathitems);
+    }
+    return ($path,$multiresp);
+}
+
+=pod
+
 =back
 
 =head1 CSV Upload/Handling functions
@@ -11203,6 +11261,8 @@ sub construct_course {
 ############################################################
 ############################################################
 
+#SD
+# only Community and Course, or anything else?
 sub course_type {
     my ($cid) = @_;
     if (!defined($cid)) {
@@ -11368,15 +11428,12 @@ sub init_user_environment {
     my %userenv = &Apache::lonnet::dump('environment',$domain,$username);
     my ($tmp) = keys(%userenv);
     if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
-	# default remote control to off
-	if ($userenv{'remote'} ne 'on') { $userenv{'remote'} = 'off'; }
     } else {
 	undef(%userenv);
     }
     if (($userenv{'interface'}) && (!$form->{'interface'})) {
 	$form->{'interface'}=$userenv{'interface'};
     }
-    $env{'environment.remote'}=$userenv{'remote'};
     if ($userenv{'texengine'} eq 'ttm') { $clientmathml=1; }
 
 # --------------- Do not trust query string to be put directly into environment
@@ -11408,14 +11465,12 @@ sub init_user_environment {
 	    $initial_env{"browser.localres"}   = $form->{'localres'};
         }
 	
-	if ($public) {
-	    $initial_env{"environment.remote"} = "off";
-	}
 	if ($form->{'interface'}) {
 	    $form->{'interface'}=~s/\W//gs;
 	    $initial_env{"browser.interface"} = $form->{'interface'};
 	    $env{'browser.interface'}=$form->{'interface'};
 	}
+
         my %is_adv = ( is_adv => $env{'user.adv'} );
         my %domdef;
         unless ($domain eq 'public') {