--- loncom/interface/loncommon.pm	2011/05/27 19:31:50	1.948.2.28
+++ loncom/interface/loncommon.pm	2010/06/06 02:40:30	1.970
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.948.2.28 2011/05/27 19:31:50 raeburn Exp $
+# $Id: loncommon.pm,v 1.970 2010/06/06 02:40:30 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1072,7 +1072,7 @@ END
 
 =pod
 
-=item * &help_open_topic($topic,$text,$stayOnPage,$width,$height,$imgid)
+=item * &help_open_topic($topic,$text,$stayOnPage,$width,$height)
 
 Returns a string corresponding to an HTML link to the given help
 $topic, where $topic corresponds to the name of a .tex file in
@@ -1095,7 +1095,7 @@ be useful for certain help topics with b
 =cut
 
 sub help_open_topic {
-    my ($topic, $text, $stayOnPage, $width, $height, $imgid) = @_;
+    my ($topic, $text, $stayOnPage, $width, $height) = @_;
     $text = "" if (not defined $text);
     $stayOnPage = 0 if (not defined $stayOnPage);
     $width = 350 if (not defined $width);
@@ -1124,15 +1124,12 @@ sub help_open_topic {
     # (Always) Add the graphic
     my $title = &mt('Online Help');
     my $helpicon=&lonhttpdurl("/adm/help/help.png");
-    if ($imgid ne '') {
-        $imgid = ' id="'.$imgid.'"';
-    }
     $template.=' <a target="_top" href="'.$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;"' 
               .' /></a>';
-    if ($text ne "") {
+    if ($text ne "") {	
         $template.='</span>';
     }
     return $template;
@@ -1205,12 +1202,7 @@ ENDOUTPUT
 sub help_open_menu {
     my ($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 (!$text) {
@@ -1231,8 +1223,8 @@ sub help_open_menu {
 sub top_nav_help {
     my ($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);
@@ -1247,10 +1239,7 @@ END
 
 sub help_menu_js {
     my ($text) = @_;
-
-    my $stayOnPage = 
-	($env{'environment.remote'} eq 'off' );
-
+    my $stayOnPage = 1;
     my $width = 620;
     my $height = 600;
     my $helptopic=&general_help();
@@ -1307,10 +1296,7 @@ sub help_open_bug {
     unless ($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);
 
@@ -1351,10 +1337,7 @@ 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);
 
@@ -1870,7 +1853,7 @@ 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.
 
@@ -1886,9 +1869,9 @@ 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.=
@@ -2284,16 +2267,12 @@ function changed_text(choice,currentform
 }
 
 function set_auth_radio_buttons(newvalue,currentform) {
-    var numauthchoices = currentform.login.length;
-    if (typeof numauthchoices  == "undefined") {
-        return;
-    }
     var i=0;
-    while (i < numauthchoices) {
+    while (i < currentform.login.length) {
         if (currentform.login[i].value == newvalue) { break; }
         i++;
     }
-    if (i == numauthchoices) {
+    if (i == currentform.login.length) {
         return;
     }
     current.radiovalue = newvalue;
@@ -3260,7 +3239,7 @@ 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
@@ -3425,21 +3404,17 @@ sub get_previous_attempt {
       }
       $prevattempts=&start_data_table().&start_data_table_header_row();
       $prevattempts.='<th>'.&mt('History').'</th>';
-      my (%typeparts,%lasthidden);
+      my %typeparts;
       my $showsurv=&Apache::lonnet::allowed('vas',$env{'request.course.id'});
       foreach my $key (sort(keys(%lasthash))) {
 	my ($ign,@parts) = split(/\./,$key);
 	if ($#parts > 0) {
 	  my $data=$parts[-1];
-          next if ($data eq 'foilorder');
 	  pop(@parts);
           if ($data eq 'type') {
               unless ($showsurv) {
                   my $id = join(',',@parts);
                   $typeparts{$ign.'.'.$id} = $lasthash{$key};
-                  if (($lasthash{$key} eq 'anonsurvey') || ($lasthash{$key} eq 'anonsurveycred')) {
-                      $lasthidden{$ign.'.'.$id} = 1;
-                  }
               }
               delete($lasthash{$key});
           } else {
@@ -3454,6 +3429,7 @@ sub get_previous_attempt {
 	}
       }
       $prevattempts.=&end_data_table_header_row();
+      my %lasthidden;
       if ($getattempt eq '') {
 	for ($version=1;$version<=$returnhash{'version'};$version++) {
             my @hidden;
@@ -3461,6 +3437,11 @@ sub get_previous_attempt {
                 foreach my $id (keys(%typeparts)) {
                     if (($returnhash{$version.':'.$id.'.type'} eq 'anonsurvey') || ($returnhash{$version.':'.$id.'.type'} eq 'anonsurveycred')) {
                         push(@hidden,$id);
+                        $lasthidden{$id} = 1;
+                    } elsif ($lasthidden{$id}) {
+                        if (exists($returnhash{$version.':'.$id.'.award'})) {
+                            delete($lasthidden{$id});
+                        }
                     }
                 }
             }
@@ -3468,7 +3449,6 @@ sub get_previous_attempt {
                            '<td>'.&mt('Transaction [_1]',$version).'</td>';
             if (@hidden) {
                 foreach my $key (sort(keys(%lasthash))) {
-                    next if ($key =~ /\.foilorder$/);
                     my $hide;
                     foreach my $id (@hidden) {
                         if ($key =~ /^\Q$id\E/) {
@@ -3497,7 +3477,6 @@ sub get_previous_attempt {
                 }
             } else {
 	        foreach my $key (sort(keys(%lasthash))) {
-                    next if ($key =~ /\.foilorder$/);
 		    my $value = &format_previous_attempt_value($key,
 			            $returnhash{$version.':'.$key});
 		    $prevattempts.='<td>'.$value.'&nbsp;</td>';
@@ -3509,7 +3488,6 @@ sub get_previous_attempt {
       my @currhidden = keys(%lasthidden);
       $prevattempts.=&start_data_table_row().'<td>'.&mt('Current').'</td>';
       foreach my $key (sort(keys(%lasthash))) {
-          next if ($key =~ /\.foilorder$/);
           if (%typeparts) {
               my $hidden;
               foreach my $id (@currhidden) {
@@ -3565,29 +3543,6 @@ sub format_previous_attempt_value {
 	$value = &Apache::lonlocal::locallocaltime($value);
     } elsif (ref($value) eq 'ARRAY') {
 	$value = '('.join(', ', @{ $value }).')';
-    } elsif ($key =~ /answerstring$/) {
-        my %answers = &Apache::lonnet::str2hash($value);
-        my @anskeys = sort(keys(%answers));
-        if (@anskeys == 1) {
-            my $answer = $answers{$anskeys[0]};
-            if ($answer =~ m{\0}) {
-                $answer =~ s{\0}{,}g;
-            }
-            my $tag_internal_answer_name = 'INTERNAL';
-            if ($anskeys[0] eq $tag_internal_answer_name) {
-                $value = $answer;
-            } else {
-                $value = $anskeys[0].'='.$answer;
-            }
-        } else {
-            foreach my $ans (@anskeys) {
-                my $answer = $answers{$ans};
-                if ($answer =~ m{\0}) {
-                    $answer =~ s{\0}{,}g;
-                }
-                $value .=  $ans.'='.$answer.'<br />';;
-            }
-        }
     } else {
 	$value = &unescape($value);
     }
@@ -3866,9 +3821,7 @@ sub findallcourses {
         $udom = $env{'user.domain'};
     }
     if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
-        my $extra = &Apache::lonnet::freeze_escape({'skipcheck' => 1});
-        my %roleshash = &Apache::lonnet::dump('roles',$udom,$uname,'.',undef,
-                                              $extra);
+        my %roleshash = &Apache::lonnet::dump('roles',$udom,$uname);
         if (!%roles) {
             %roles = (
                        cc => 1,
@@ -4496,7 +4449,7 @@ Returns: HTML div with $content
 sub head_subbox {
     my ($content)=@_;
     my $output =
-        '<div class="LC_head_subbox">'
+        '<div id="LC_head_subbox">'
        .$content
        .'</div>'
 }
@@ -4592,9 +4545,6 @@ 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,
@@ -4612,7 +4562,7 @@ 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'))
@@ -4654,8 +4604,6 @@ sub bodytag {
     }
 
     if (!$realm) { $realm='&nbsp;'; }
-# Set messages
-    my $messages=&domainlogo($domain);
 
     my $extra_body_attr = &make_attr_string($forcereg,\%design);
 
@@ -4673,7 +4621,7 @@ sub bodytag {
     } else {
 	$name = &aboutmewrapper($name,$env{'user.name'},$env{'user.domain'});
     }
-
+    
     my $titleinfo = '<h1>'.$title.'</h1>';
     #
     # Extra info if you are the DC
@@ -4689,11 +4637,9 @@ 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; }
 
@@ -4711,10 +4657,6 @@ 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>|;
@@ -4736,7 +4678,7 @@ 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);
@@ -4749,48 +4691,11 @@ 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 {
     my ($dc_info) = @_;
-    return ' <span id="dccidtext" class="LC_cusr_subheading LC_nobreak">'.
+    return ' <span id="dccidtext" class="LC_cusr_subheading">'.
            '<a href="javascript:showCourseID();">'.
            &mt('(More ...)').'</a></span>'.
            '<div id="dccid" class="LC_dccid">'.$dc_info.'</div>';
@@ -4817,22 +4722,8 @@ 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;
@@ -4930,6 +4821,7 @@ 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 */
@@ -5160,21 +5052,14 @@ td.LC_table_cell_checkbox {
   overflow: hidden;
   margin: 0;
   padding: 0;
-  text-align: left;
-}
-
-/* Preliminary fix to hide breadcrumbs inside remote control window */
-#LC_remote #LC_breadcrumbs {
-  display:none;
 }
 
-.LC_head_subbox {
+#LC_head_subbox {
   clear:both;
   background: #F8F8F8; /* $sidebg; */
   border: 1px solid $sidebg;
   margin: 0 0 10px 0;      
   padding: 3px;
-  text-align: left;
 }
 
 .LC_fontsize_medium {
@@ -5197,7 +5082,6 @@ td.LC_table_cell_checkbox {
 
 li.LC_menubuttons_inline_text img,a {
   cursor:pointer;
-  text-decoration: none;
 }
 
 .LC_menubuttons_link {
@@ -5542,14 +5426,6 @@ span.LC_parm_symb {
   color: #AAAAAA;
 }
 
-ul.LC_parm_parmlist li {
-  display: inline-block;
-  padding: 0.3em 0.8em;
-  vertical-align: top;
-  width: 150px;
-  border-top:1px solid $lg_border_color;
-}
-
 td.LC_parm_overview_level_menu,
 td.LC_parm_overview_map_menu,
 td.LC_parm_overview_parm_selectors,
@@ -5710,16 +5586,6 @@ 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;
 }
@@ -6153,7 +6019,6 @@ fieldset > legend {
 
 #LC_nav_bar {
   float: left;
-  background-color: $pgbg_or_bgcolor;
   margin: 0 0 2px 0;
 }
 
@@ -6162,7 +6027,6 @@ fieldset > legend {
   padding: 0;
   font-weight: bold;
   text-align: center;
-  background-color: $pgbg_or_bgcolor;
 }
 
 #LC_nav_bar em {
@@ -6178,12 +6042,6 @@ fieldset > legend {
 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 {
@@ -6206,28 +6064,9 @@ ol.LC_primary_menu a {
   text-decoration: none;
 }
 
-ol.LC_docs_parameters {
-  margin-left: 0;
-  padding: 0;
-  list-style: none;
-}
-
-ol.LC_docs_parameters li {
-  margin: 0;
-  padding-right: 20px;
-  display: inline;
-}
-
-ol.LC_docs_parameters li:before {
-  content: "\\002022 \\0020";
-}
-
-li.LC_docs_parameters_title {
-  font-weight: bold;
-}
-
-ol.LC_docs_parameters li.LC_docs_parameters_title:before {
-  content: "";
+ol.LC_primary_menu a.LC_new_message {
+  font-weight:bold;
+  color: darkred;
 }
 
 ul#LC_secondary_menu {
@@ -6238,7 +6077,6 @@ ul#LC_secondary_menu {
   padding: 0;
   margin: 0;
   width: 100%;
-  text-align: left;
 }
 
 ul#LC_secondary_menu li {
@@ -6348,7 +6186,7 @@ ul.LC_TabContentBigger li a {
   text-align: center;
   display: block;
   text-decoration: none;
-  outline: none;
+  outline: none;  
 }
 
 ul.LC_TabContentBigger li.active a {
@@ -6375,6 +6213,7 @@ ul.LC_TabContentBigger li.active b {
   cursor:default;
 }
 
+
 ul.LC_CourseBreadcrumbs {
   background: $sidebg;
   line-height: 32px;
@@ -6543,14 +6382,6 @@ 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);
 }
@@ -6692,8 +6523,8 @@ 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'}
@@ -6719,7 +6550,7 @@ ADDMETA
     $result .= '<title> LON-CAPA '.$title.'</title>'
 	.'<link rel="stylesheet" type="text/css" href="'.$url.'" />'
 	.$head_extra;
-    return $result;
+    return $result.'</head>';
 }
 
 =pod
@@ -6754,6 +6585,10 @@ Inputs: none
 sub xml_begin {
     my $output='';
 
+    if ($env{'internal.start_page'}==1) {
+	&Apache::lonhtmlcommon::init_htmlareafields();
+    }
+
     if ($env{'browser.mathml'}) {
 	$output='<?xml version="1.0"?>'
             #.'<?xml-stylesheet type="text/css" href="/adm/MathML/mathml.css"?>'."\n"
@@ -6772,43 +6607,6 @@ 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.
@@ -6846,14 +6644,12 @@ $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
                                     current page
              bread_crumbs ->             Array containing breadcrumbs
-             bread_crumbs_component ->  if exists show it as headline else show only the breadcrumbs
+             bread_crumbs_components ->  if exists show it as headline else show only the breadcrumbs
 
 =back
 
@@ -6864,6 +6660,14 @@ $args - additional optional args support
 sub start_page {
     my ($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',
@@ -6872,13 +6676,16 @@ 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'}) ) {
@@ -6892,8 +6699,7 @@ 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);
         }
     }
 
@@ -6909,14 +6715,10 @@ 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();
@@ -6937,28 +6739,6 @@ 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) = @_;
     $env{'internal.end_page'}++;
@@ -7062,12 +6842,12 @@ sub simple_error_page {
     sub start_data_table {
 	my ($add_class) = @_;
 	my $css_class = (join(' ','LC_data_table',$add_class));
-        &start_data_table_count();
+	&start_data_table_count();
 	return '<table class="'.$css_class.'">'."\n";
     }
 
     sub end_data_table {
-        &end_data_table_count();
+	&end_data_table_count();
 	return '</table>'."\n";;
     }
 
@@ -7246,8 +7026,7 @@ role status: active, previous or future.
 
 sub check_user_status {
     my ($udom,$uname,$cdom,$crs,$role,$sec) = @_;
-    my $extra = &Apache::lonnet::freeze_escape({'skipcheck' => 1});
-    my %userinfo = &Apache::lonnet::dump('roles',$udom,$uname,'.',undef,$extra);
+    my %userinfo = &Apache::lonnet::dump('roles',$udom,$uname);
     my @uroles = keys %userinfo;
     my $srchstr;
     my $active_chk = 'none';
@@ -7830,7 +7609,7 @@ sub get_secgrprole_info {
 }
 
 sub user_picker {
-    my ($dom,$srch,$forcenewuser,$caller,$cancreate,$usertype,$context) = @_;
+    my ($dom,$srch,$forcenewuser,$caller,$cancreate,$usertype) = @_;
     my $currdom = $dom;
     my %curr_selected = (
                         srchin => 'dom',
@@ -7921,15 +7700,10 @@ sub user_picker {
     $srchtypesel .= "\n  </select>\n";
 
     my ($newuserscript,$new_user_create);
-    my $context_dom = $env{'request.role.domain'};
-    if ($context eq 'requestcrs') {
-        if ($env{'form.coursedom'} ne '') {
-            $context_dom = $env{'form.coursedom'};
-        }
-    }
+
     if ($forcenewuser) {
         if (ref($srch) eq 'HASH') {
-            if ($srch->{'srchby'} eq 'uname' && $srch->{'srchtype'} eq 'exact' && $srch->{'srchin'} eq 'dom' && $srch->{'srchdomain'} eq $context_dom) {
+            if ($srch->{'srchby'} eq 'uname' && $srch->{'srchtype'} eq 'exact' && $srch->{'srchin'} eq 'dom' && $srch->{'srchdomain'} eq $env{'request.role.domain'}) {
                 if ($cancreate) {
                     $new_user_create = '<p> <input type="submit" name="forcenew" value="'.&HTML::Entities::encode(&mt('Make new user "[_1]"',$srchterm),'<>&"').'" onclick="javascript:setSearch(\'1\','.$caller.');" /> </p>';
                 } else {
@@ -7968,7 +7742,7 @@ function setSearch(createnew,callingForm
             }
         }
         for (var i=0; i<callingForm.srchdomain.length; i++) {
-            if (callingForm.srchdomain.options[i].value == '$context_dom') {
+            if (callingForm.srchdomain.options[i].value == '$env{'request.role.domain'}') {
                 callingForm.srchdomain.selectedIndex = i;
             }
         }
@@ -8291,10 +8065,6 @@ sub get_institutional_codes {
     return;
 }
 
-sub get_standard_codeitems {
-    return ('Year','Semester','Department','Number','Section');
-}
-
 =pod
 
 =head1 Slot Helpers
@@ -8486,307 +8256,68 @@ sub get_env_multiple {
 
 sub ask_for_embedded_content {
     my ($actionurl,$state,$allfiles,$codebase,$args)=@_;
-    my (%subdependencies,%dependencies,%mapping,%existing,%newfiles,%pathchanges);
+    my $upload_output = '
+   <form name="upload_embedded" action="'.$actionurl.'"
+                  method="post" enctype="multipart/form-data">';
+    $upload_output .= $state;
+    $upload_output .= '<b>Upload embedded files</b>:<br />'.&start_data_table();
+
     my $num = 0;
-    my $numremref = 0;
-    my $numinvalid = 0;
-    my $numpathchg = 0;
-    my $numexisting = 0;
-    my ($output,$upload_output,$toplevel,$url,$udom,$uname,$getpropath);
-    if (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
-        my $current_path='/';
-        if ($env{'form.currentpath'}) {
-            $current_path = $env{'form.currentpath'};
-        }
-        if ($actionurl eq '/adm/coursegrp_portfolio') {
-            $udom = $env{'course.'.$env{'request.course.id'}.'.domain'};
-            $uname = $env{'course.'.$env{'request.course.id'}.'.num'};
-            $url = '/userfiles/groups/'.$env{'form.group'}.'/portfolio';
-        } else {
-            $udom = $env{'user.domain'};
-            $uname = $env{'user.name'};
-            $url = '/userfiles/portfolio';
-        }
-        $toplevel = $url.'/';
-        $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/';
-        $toplevel = $url;
-        if ($rest ne '') {
-            $url .= $rest;
-        }
-    } elsif ($actionurl eq '/adm/coursedocs') {
-        if (ref($args) eq 'HASH') {
-           $url = $args->{'docs_url'};
-           $toplevel = $url;
-        }
-    }
-    my $now = time();
-    foreach my $embed_file (keys(%{$allfiles})) {
-        my $absolutepath;
-        if ($embed_file =~ m{^\w+://}) {
-            $newfiles{$embed_file} = 1;
-            $mapping{$embed_file} = $embed_file;
-        } else {
-            if ($embed_file =~ m{^/}) {
-                $absolutepath = $embed_file;
-                $embed_file =~ s{^(/+)}{};
-            }
-            if ($embed_file =~ m{/}) {
-                my ($path,$fname) = ($embed_file =~ m{^(.+)/([^/]*)$});
-                $path = &check_for_traversal($path,$url,$toplevel);
-                my $item = $fname;
-                if ($path ne '') {
-                    $item = $path.'/'.$fname;
-                    $subdependencies{$path}{$fname} = 1;
-                } else {
-                    $dependencies{$item} = 1;
-                }
-                if ($absolutepath) {
-                    $mapping{$item} = $absolutepath;
-                } else {
-                    $mapping{$item} = $embed_file;
-                }
-            } else {
-                $dependencies{$embed_file} = 1;
-                if ($absolutepath) {
-                    $mapping{$embed_file} = $absolutepath;
-                } else {
-                    $mapping{$embed_file} = $embed_file;
-                }
-            }
-        }
-    }
-    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;
-            }
-        } elsif (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank')) {
-            if (opendir(my $dir,$url.'/'.$path)) {
-                my @subdir_list = grep(!/^\./,readdir($dir));
-                map {$currsubfile{$_} = 1;} @subdir_list;
-            }
-        }
-        foreach my $file (keys(%{$subdependencies{$path}})) {
-            if ($currsubfile{$file}) {
-                my $item = $path.'/'.$file;
-                unless ($mapping{$item} eq $item) {
-                    $pathchanges{$item} = 1;
-                }
-                $existing{$item} = 1;
-                $numexisting ++;
-            } else {
-                $newfiles{$path.'/'.$file} = 1;
-            }
-        }
-    }
-    my %currfile;
-    if (($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;
-        }
-    } elsif (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank')) {
-        if (opendir(my $dir,$url)) {
-            my @dir_list = grep(!/^\./,readdir($dir));
-            map {$currfile{$_} = 1;} @dir_list;
-        }
-    }
-    foreach my $file (keys(%dependencies)) {
-        if ($currfile{$file}) {
-            unless ($mapping{$file} eq $file) {
-                $pathchanges{$file} = 1;
-            }
-            $existing{$file} = 1;
-            $numexisting ++;
-        } else {
-            $newfiles{$file} = 1;
-        }
-    }
-    foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%newfiles)) {
+    foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%{$allfiles})) {
         $upload_output .= &start_data_table_row().
-                          '<td><span class="LC_filename">'.$embed_file.'</span>';
-        unless ($mapping{$embed_file} eq $embed_file) {
-            $upload_output .= '<br /><span class="LC_info" style="font-size:smaller;">'.&mt('changed from: [_1]',$mapping{$embed_file}).'</span>';
-        }
-        $upload_output .= '</td><td>';
+            '<td>'.$embed_file.'</td><td>';
         if ($args->{'ignore_remote_references'}
             && $embed_file =~ m{^\w+://}) {
             $upload_output.='<span class="LC_warning">'.&mt("URL points to other server.").'</span>';
-            $numremref++;
         } elsif ($args->{'error_on_invalid_names'}
             && $embed_file ne &Apache::lonnet::clean_filename($embed_file,{'keep_path' => 1,})) {
 
-            $upload_output.='<span class="LC_warning">'.&mt('Invalid characters').'</span>';
-            $numinvalid++;
+            $upload_output.='<span class="LC_warning">'.&mt("Invalid characters").'</span>';
+
         } else {
-            $upload_output .= &embedded_file_element('upload_embedded',$num,
-                                                     $embed_file,\%mapping,
-                                                     $allfiles,$codebase);
-            $num++;
-        }
-        $upload_output .= '</td>'.&Apache::loncommon::end_data_table_row()."\n";
-    }
-    foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%existing)) {
-        $upload_output .= &start_data_table_row().
-                          '<td><span class="LC_filename">'.$embed_file.'</span></td>'.
-                          '<td><span class="LC_warning">'.&mt('Already exists').'</span></td>'.
-                          &Apache::loncommon::end_data_table_row()."\n";
-    }
-    if ($upload_output) {
-        $upload_output = &start_data_table().
-                         $upload_output.
-                         &end_data_table()."\n";
-    }
-    my $applies = 0;
-    if ($numremref) {
-        $applies ++;
-    }
-    if ($numinvalid) {
-        $applies ++;
-    }
-    if ($numexisting) {
-        $applies ++;
-    }
-    if ($num) {
-        $output = '<form name="upload_embedded" action="'.$actionurl.'"'.
-                  ' method="post" enctype="multipart/form-data">'."\n".
-                  $state.
-                  '<h3>'.&mt('Upload embedded files').
-                  ':</h3>'.$upload_output.'<br />'."\n".
-                  '<input type ="hidden" name="number_embedded_items" value="'.
-                  $num.'" />'."\n";
-        if ($actionurl eq '') {
-            $output .=  '<input type="hidden" name="phase" value="three" />';
-        }
-    } elsif ($applies) {
-        $output = '<b>'.&mt('Referenced files').'</b>:<br />';
-        if ($applies > 1) {
-            $output .=
-                &mt('No files need to be uploaded, as one of the following applies to each reference:').'<ul>';
-            if ($numremref) {
-                $output .= '<li>'.&mt('reference is to a URL which points to another server').'</li>'."\n";
-            }
-            if ($numinvalid) {
-                $output .= '<li>'.&mt('reference is to file with a name containing invalid characters').'</li>'."\n";
-            }
-            if ($numexisting) {
-                $output .= '<li>'.&mt('reference is to an existing file at the specified location').'</li>'."\n";
-            }
-            $output .= '</ul><br />';
-        } elsif ($numremref) {
-            $output .= '<p>'.&mt('None to upload, as all references are to URLs pointing to another server.').'</p>';
-        } elsif ($numinvalid) {
-            $output .= '<p>'.&mt('None to upload, as all references are to files with names containing invalid characters.').'</p>';
-        } elsif ($numexisting) {
-            $output .= '<p>'.&mt('None to upload, as all references are to existing files.').'</p>';
-        }
-        $output .= $upload_output.'<br />';
-    }
-    my ($pathchange_output,$chgcount);
-    $chgcount = $num;
-    if (keys(%pathchanges) > 0) {
-        foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%pathchanges)) {
-            if ($num) {
-                $output .= &embedded_file_element('pathchange',$chgcount,
-                                                  $embed_file,\%mapping,
-                                                  $allfiles,$codebase);
-            } else {
-                $pathchange_output .=
-                    &start_data_table_row().
-                    '<td><input type ="checkbox" name="namechange" value="'.
-                    $chgcount.'" checked="checked" /></td>'.
-                    '<td>'.$mapping{$embed_file}.'</td>'.
-                    '<td>'.$embed_file.
-                    &embedded_file_element('pathchange',$numpathchg,$embed_file,
-                                           \%mapping,$allfiles,$codebase).
-                    '</td>'.&end_data_table_row();
-            }
-            $numpathchg ++;
-            $chgcount ++;
-        }
-    }
-    if ($num) {
-        if ($numpathchg) {
-            $output .= '<input type ="hidden" name="number_pathchange_items" value="'.
-                       $numpathchg.'" />'."\n";
-        }
-        if (($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') {
-            $output .= '<input type="hidden" name="action" value="upload_embedded" />';
-        }
-        $output .=  '<input type ="submit" value="'.&mt('Upload Listed Files').'" />'."\n".
-                    &mt('(only files for which a location has been provided will be uploaded)').'</form>'."\n";
-    } elsif ($numpathchg) {
-        my %pathchange = ();
-        $output .= &modify_html_form('pathchange',$actionurl,$state,\%pathchange,$pathchange_output);
-        if (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
-            $output .= '<p>'.&mt('or').'</p>';
-        }
-    }
-    return ($output,$num,$numpathchg);
-}
-
-sub embedded_file_element {
-    my ($context,$num,$embed_file,$mapping,$allfiles,$codebase) = @_;
-    return unless ((ref($mapping) eq 'HASH') && (ref($allfiles) eq 'HASH') &&
-                   (ref($codebase) eq 'HASH'));
-    my $output;
-    if ($context eq 'upload_embedded') {
-       $output = '<input name="embedded_item_'.$num.'" type="file" value="" />'."\n";
-    }
-    $output .= '<input name="embedded_orig_'.$num.'" type="hidden" value="'.
-               &escape($embed_file).'" />';
-    unless (($context eq 'upload_embedded') &&
-            ($mapping->{$embed_file} eq $embed_file)) {
-        $output .='
-        <input name="embedded_ref_'.$num.'" type="hidden" value="'.&escape($mapping->{$embed_file}).'" />';
-    }
-    my $attrib;
-    if (ref($allfiles->{$mapping->{$embed_file}}) eq 'ARRAY') {
-        $attrib = &escape(join(':',@{$allfiles->{$mapping->{$embed_file}}}));
-    }
-    $output .=
-        "\n\t\t".
-        '<input name="embedded_attrib_'.$num.'" type="hidden" value="'.
-        $attrib.'" />';
-    if (exists($codebase->{$mapping->{$embed_file}})) {
-        $output .=
-            "\n\t\t".
-            '<input name="codebase_'.$num.'" type="hidden" value="'.
-            &escape($codebase->{$mapping->{$embed_file}}).'" />';
-    }
-    return $output;
+            $upload_output .='
+           <input name="embedded_item_'.$num.'" type="file" value="" />
+           <input name="embedded_orig_'.$num.'" type="hidden" value="'.&escape($embed_file).'" />';
+            my $attrib = join(':',@{$$allfiles{$embed_file}});
+            $upload_output .=
+                "\n\t\t".
+                '<input name="embedded_attrib_'.$num.'" type="hidden" value="'.
+                $attrib.'" />';
+            if (exists($$codebase{$embed_file})) {
+                $upload_output .=
+                    "\n\t\t".
+                    '<input name="codebase_'.$num.'" type="hidden" value="'.
+                    &escape($$codebase{$embed_file}).'" />';
+            }
+        }
+        $upload_output .= '</td>'.&Apache::loncommon::end_data_table_row();
+        $num++;
+    }
+    $upload_output .= &Apache::loncommon::end_data_table().'<br />
+   <input type ="hidden" name="number_embedded_items" value="'.$num.'" />
+   <input type ="submit" value="'.&mt('Upload Listed Files').'" />
+   '.&mt('(only files for which a location has been provided will be uploaded)').'
+   </form>';
+    return $upload_output;
 }
 
 sub upload_embedded {
     my ($context,$dirpath,$uname,$udom,$dir_root,$url_root,$group,$disk_quota,
-        $current_disk_usage,$hiddenstate,$actionurl) = @_;
-    my (%pathchange,$output,$modifyform,$footer,$returnflag);
+        $current_disk_usage) = @_;
+    my $output;
     for (my $i=0; $i<$env{'form.number_embedded_items'}; $i++) {
         next if (!exists($env{'form.embedded_item_'.$i.'.filename'}));
         my $orig_uploaded_filename =
             $env{'form.embedded_item_'.$i.'.filename'};
-        foreach my $type ('orig','ref','attrib','codebase') {
-            if ($env{'form.embedded_'.$type.'_'.$i} ne '') {
-                $env{'form.embedded_'.$type.'_'.$i} =
-                    &unescape($env{'form.embedded_'.$type.'_'.$i});
-            }
-        }
+
+        $env{'form.embedded_orig_'.$i} =
+            &unescape($env{'form.embedded_orig_'.$i});
         my ($path,$fname) =
             ($env{'form.embedded_orig_'.$i} =~ m{(.*/)([^/]*)});
         # no path, whole string is fname
         if (!$fname) { $fname = $env{'form.embedded_orig_'.$i} };
+
+        $path = $env{'form.currentpath'}.$path;
         $fname = &Apache::lonnet::clean_filename($fname);
         # See if there is anything left
         next if ($fname eq '');
@@ -8798,12 +8329,12 @@ sub upload_embedded {
             if ($group ne '') {
                 $port_path = "groups/$group/$port_path";
             }
-            ($state,$msg) = &check_for_upload($env{'form.currentpath'}.$path,
-                                              $fname,$group,'embedded_item_'.$i,
+            ($state,$msg) = &check_for_upload($path,$fname,$group,'embedded_item_'.$i,
                                               $dir_root,$port_path,$disk_quota,
                                               $current_disk_usage,$uname,$udom);
             if ($state eq 'will_exceed_quota'
-                || $state eq 'file_locked') {
+                || $state eq 'file_locked'
+                || $state eq 'file_exists' ) {
                 $output .= $msg;
                 next;
             }
@@ -8817,53 +8348,31 @@ sub upload_embedded {
         # Check if extension is valid
         if (($fname =~ /\.(\w+)$/) &&
             (&Apache::loncommon::fileembstyle($1) eq 'hdn')) {
-            $output .= &mt('Invalid file extension ([_1]) - reserved for LONCAPA use - rename the file with a different extension and re-upload. ',$1).'<br />';
+            $output .= &mt('Invalid file extension ([_1]) - reserved for LONCAPA use - rename the file with a different extension and re-upload. ',$1);
             next;
         } elsif (($fname =~ /\.(\w+)$/) &&
                  (!defined(&Apache::loncommon::fileembstyle($1)))) {
-            $output .= &mt('Unrecognized file extension ([_1]) - rename the file with a proper extension and re-upload.',$1).'<br />';
+            $output .= &mt('Unrecognized file extension ([_1]) - rename the file with a proper extension and re-upload.',$1);
             next;
         } elsif ($fname=~/\.(\d+)\.(\w+)$/) {
-            $output .= &mt('File name not allowed - rename the file to remove the number immediately before the file extension([_1]) and re-upload.',$2).'<br />';
+            $output .= &mt('File name not allowed - rename the file to remove the number immediately before the file extension([_1]) and re-upload.',$2);
             next;
         }
 
         $env{'form.embedded_item_'.$i.'.filename'}=$fname;
         if ($context eq 'portfolio') {
-            my $result;
-            if ($state eq 'existingfile') {
-                $result=
-                    &Apache::lonnet::userfileupload('embedded_item_'.$i,'existingfile',
-                                                    $dirpath.$env{'form.currentpath'}.$path);
-            } else {
-                $result=
-                    &Apache::lonnet::userfileupload('embedded_item_'.$i,'',
-                                                    $dirpath.
-                                                    $env{'form.currentpath'}.$path);
-                if ($result !~ m|^/uploaded/|) {
-                    $output .= '<span class="LC_error">'
-                               .&mt('An error occurred ([_1]) while trying to upload [_2] for embedded element [_3].'
-                               ,$result,$orig_uploaded_filename,$env{'form.embedded_orig_'.$i})
-                               .'</span><br />';
-                    next;
-                } else {
-                    $output .= &mt('Uploaded [_1]','<span class="LC_filename">'.
-                               $path.$fname.'</span>').'<br />'; 
-                }
-            }
-        } elsif ($context eq 'coursedoc') {
-            my $result =
-                &Apache::lonnet::userfileupload('embedded_item_'.$i,'coursedoc',
-                                                $dirpath.'/'.$path);
+            my $result=
+                &Apache::lonnet::userfileupload('embedded_item_'.$i,'',
+                                                $dirpath.$path);
             if ($result !~ m|^/uploaded/|) {
                 $output .= '<span class="LC_error">'
-                           .&mt('An error occurred ([_1]) while trying to upload [_2] for embedded element [_3].'
+                      .&mt('An error occurred ([_1]) while trying to upload [_2] for embedded element [_3].'
                            ,$result,$orig_uploaded_filename,$env{'form.embedded_orig_'.$i})
-                           .'</span><br />';
-                    next;
+                      .'</span><br />';
+                next;
             } else {
-                $output .= &mt('Uploaded [_1]','<span class="LC_filename">'.
-                           $path.$fname.'</span>').'<br />';
+                $output .= '<p>'.&mt('Uploaded [_1]','<span class="LC_filename">'.
+                           $path.$fname.'</span>').'</p>';     
             }
         } else {
 # Save the file
@@ -8893,189 +8402,18 @@ sub upload_embedded {
                               &mt('An error occurred while writing the file [_1] for embedded element [_2].',$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}).
                               '</span><br />';
                 } else {
-                    $output .= &mt('Uploaded [_1]','<span class="LC_filename">'.
-                               $url.'</span>').'<br />';
-                    unless ($context eq 'testbank') {
-                        $footer .= &mt('View embedded file: [_1]',
-                                       '<a href="'.$url.'">'.$fname.'</a>').'<br />';
-                    }
-                }
-                close($fh);
-            }
-        }
-        if ($env{'form.embedded_ref_'.$i}) {
-            $pathchange{$i} = 1;
-        }
-    }
-    if ($output) {
-        $output = '<p>'.$output.'</p>';
-    }
-    $output .= &modify_html_form('upload_embedded',$actionurl,$hiddenstate,\%pathchange);
-    $returnflag = 'ok';
-    if (keys(%pathchange) > 0) {
-        if ($context eq 'portfolio') {
-            $output .= '<p>'.&mt('or').'</p>';
-        } elsif ($context eq 'testbank') {
-            $output .=  '<p>'.&mt('Or [_1]continue[_2] the testbank import without modifying the reference(s).','<a href="javascript:document.testbankForm.submit();">','</a>').'</p>';
-            $returnflag = 'modify_orightml';
-        }
-    }
-    return ($output.$footer,$returnflag);
-}
-
-sub modify_html_form {
-    my ($context,$actionurl,$hiddenstate,$pathchange,$pathchgtable) = @_;
-    my $end = 0;
-    my $modifyform;
-    if ($context eq 'upload_embedded') {
-        return unless (ref($pathchange) eq 'HASH');
-        if ($env{'form.number_embedded_items'}) {
-            $end += $env{'form.number_embedded_items'};
-        }
-        if ($env{'form.number_pathchange_items'}) {
-            $end += $env{'form.number_pathchange_items'};
-        }
-        if ($end) {
-            for (my $i=0; $i<$end; $i++) {
-                if ($i < $env{'form.number_embedded_items'}) {
-                    next unless($pathchange->{$i});
-                }
-                $modifyform .=
-                    &start_data_table_row().
-                    '<td><input type ="checkbox" name="namechange" value="'.$i.'" '.
-                    'checked="checked" /></td>'.
-                    '<td>'.$env{'form.embedded_ref_'.$i}.
-                    '<input type="hidden" name="embedded_ref_'.$i.'" value="'.
-                    &escape($env{'form.embedded_ref_'.$i}).'" />'.
-                    '<input type="hidden" name="embedded_codebase_'.$i.'" value="'.
-                    &escape($env{'form.embedded_codebase_'.$i}).'" />'.
-                    '<input type="hidden" name="embedded_attrib_'.$i.'" value="'.
-                    &escape($env{'form.embedded_attrib_'.$i}).'" /></td>'.
-                    '<td>'.$env{'form.embedded_orig_'.$i}.
-                    '<input type="hidden" name="embedded_orig_'.$i.'" value="'.
-                    &escape($env{'form.embedded_orig_'.$i}).'" /></td>'.
-                    &end_data_table_row();
-            }
-        }
-    } else {
-        $modifyform = $pathchgtable;
-        if (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank')) {
-            $hiddenstate .= '<input type="hidden" name="phase" value="four" />';
-        } elsif (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
-            $hiddenstate .= '<input type="hidden" name="action" value="modify_orightml" />';
-        }
-    }
-    if ($modifyform) {
-        return '<h3>'.&mt('Changes in content of HTML file required').'</h3>'."\n".
-               '<p>'.&mt('Changes need to be made to the reference(s) used for one or more of the dependencies, if your HTML file is to work correctly:').'<ol>'."\n".
-               '<li>'.&mt('For consistency between the reference(s) and the location of the corresponding stored file within LON-CAPA.').'</li>'."\n".
-               '<li>'.&mt('To change absolute paths to relative paths, or replace directory traversal via "../" within the original reference.').'</li>'."\n".
-               '</ol></p>'."\n".'<p>'.
-               &mt('LON-CAPA can make the required changes to your HTML file.').'</p>'."\n".
-               '<form method="post" name="refchanger" action="'.$actionurl.'">'.
-               &start_data_table()."\n".
-               &start_data_table_header_row().
-               '<th>'.&mt('Change?').'</th>'.
-               '<th>'.&mt('Current reference').'</th>'.
-               '<th>'.&mt('Required reference').'</th>'.
-               &end_data_table_header_row()."\n".
-               $modifyform.
-               &end_data_table().'<br />'."\n".$hiddenstate.
-               '<input type="submit" name="pathchanges" value="'.&mt('Modify HTML file').'" />'.
-               '</form>'."\n";
-    }
-    return;
-}
-
-sub modify_html_refs {
-    my ($context,$dirpath,$uname,$udom,$dir_root) = @_;
-    my $container;
-    if ($context eq 'portfolio') {
-        $container = $env{'form.container'};
-    } elsif ($context eq 'coursedoc') {
-        $container = $env{'form.primaryurl'};
-    } else {
-        $container = $env{'form.filename'};
-        $container =~ s{^/priv/(\Q$uname\E)/(.*)}{/home/$1/public_html/$2};
-    }
-    my (%allfiles,%codebase,$output,$content);
-    my @changes = &get_env_multiple('form.namechange');
-    return unless (@changes > 0);
-    if (($context eq 'portfolio') || ($context eq 'coursedoc')) {
-        return unless ($container =~ m{^/uploaded/\Q$udom\E/\Q$uname\E/});
-        $content = &Apache::lonnet::getfile($container);
-        return if ($content eq '-1');
-    } else {
-        return unless ($container =~ /^\Q$dir_root\E/);
-        if (open(my $fh,"<$container")) {
-            $content = join('', <$fh>);
-            close($fh);
-        } else {
-            return;
-        }
-    }
-    my ($count,$codebasecount) = (0,0);
-    my $mm = new File::MMagic;
-    my $mime_type = $mm->checktype_contents($content);
-    if ($mime_type eq 'text/html') {
-        my $parse_result =
-            &Apache::lonnet::extract_embedded_items($container,\%allfiles,
-                                                    \%codebase,\$content);
-        if ($parse_result eq 'ok') {
-            foreach my $i (@changes) {
-                my $orig = &unescape($env{'form.embedded_orig_'.$i});
-                my $ref = &unescape($env{'form.embedded_ref_'.$i});
-                if ($allfiles{$ref}) {
-                    my $newname =  $orig;
-                    my ($attrib_regexp,$codebase);
-                    $attrib_regexp = &unescape($env{'form.embedded_attrib_'.$i});
-                    if ($attrib_regexp =~ /:/) {
-                        $attrib_regexp =~ s/\:/|/g;
-                    }
-                    if ($content =~ m{($attrib_regexp\s*=\s*['"]?)\Q$ref\E(['"]?)}) {
-                        my $numchg = ($content =~ s{($attrib_regexp\s*=\s*['"]?)\Q$ref\E(['"]?)}{$1$newname$2}gi);
-                        $count += $numchg;
-                    }
-                    if ($env{'form.embedded_codebase_'.$i} ne '') {
-                        $codebase = &unescape($env{'form.embedded_codebase_'.$i});
-                        my $numchg = ($content =~ s/(codebase\s*=\s*["']?)\Q$codebase\E(["']?)/$1.$2/i); #' stupid emacs
-                        $codebasecount ++;
-                    }
-                }
-            }
-            if ($count || $codebasecount) {
-                my $saveresult;
-                if ($context eq 'portfolio' || $context eq 'coursedoc') {
-                    my $url = &Apache::lonnet::store_edited_file($container,$content,$udom,$uname,\$saveresult);
-                    if ($url eq $container) {
-                        my ($fname) = ($container =~ m{/([^/]+)$});
-                        $output = '<p>'.&mt('Updated [quant,_1,reference] in [_2].',
-                                            $count,'<span class="LC_filename">'.
-                                            $fname.'</span>').'</p>';
-                    } else {
-                         $output = '<p class="LC_error">'.
-                                   &mt('Error: update failed for: [_1].',
-                                   '<span class="LC_filename">'.
-                                   $container.'</span>').'</p>';
-                    }
-                } else {
-                    if (open(my $fh,">$container")) {
-                        print $fh $content;
-                        close($fh);
-                        $output = '<p>'.&mt('Updated [quant,_1,reference] in [_2].',
-                                  $count,'<span class="LC_filename">'.
-                                  $container.'</span>').'</p>';
+                    if ($context eq 'testbank') {
+                        $output .= &mt('Embedded file uploaded successfully:').
+                                   '&nbsp;<a href="'.$url.'">'.
+                                   $orig_uploaded_filename.'</a><br />';
                     } else {
-                         $output = '<p class="LC_error">'.
-                                   &mt('Error: could not update [_1].',
-                                   '<span class="LC_filename">'.
-                                   $container.'</span>').'</p>';
+                        $output .= '<span class=\"LC_fontsize_large\">'.
+                                   &mt('View embedded file: [_1]','<a href="'.$url.'">'.
+                                   $orig_uploaded_filename.'</a>').'</span><br />';
                     }
                 }
+                close($fh);
             }
-        } else {
-            &logthis('Failed to parse '.$container.
-                     ' to modify references: '.$parse_result);
         }
     }
     return $output;
@@ -9100,71 +8438,22 @@ sub check_for_existing {
 sub check_for_upload {
     my ($path,$fname,$group,$element,$portfolio_root,$port_path,
         $disk_quota,$current_disk_usage,$uname,$udom) = @_;
-    my $filesize = length($env{'form.'.$element});
-    if (!$filesize) {
-        my $msg = '<span class="LC_error">'.
-                  &mt('Unable to upload [_1]. (size = [_2] bytes)',
-                      '<span class="LC_filename">'.$fname.'</span>',
-                      $filesize).'<br />'.
-                  &mt('Either the file you attempted to upload was empty, or your web browser was unable to read its contents.').'<br />';
-                  '</span>';
-        return ('zero_bytes',$msg);
-    }
-    $filesize =  $filesize/1000; #express in k (1024?)
+    my $filesize = (length($env{'form.'.$element})) / 1000; #express in k (1024?)
     my $getpropath = 1;
     my @dir_list = &Apache::lonnet::dirlist($portfolio_root.$path,$udom,$uname,
                                             $getpropath);
     my $found_file = 0;
     my $locked_file = 0;
-    my @lockers;
-    my $navmap;
-    if ($env{'request.course.id'}) {
-        $navmap = Apache::lonnavmaps::navmap->new();
-    }
     foreach my $line (@dir_list) {
-        my ($file_name,$rest)=split(/\&/,$line,2);
+        my ($file_name)=split(/\&/,$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 {
-                            $locked_file = 1;
-                        }
-                    }
-                }
-            } else {
-                my @info = split(/\&/,$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',$msg);
-                    }
-                }
+            if (&Apache::lonnet::is_locked($file_name,$udom,$uname) eq 'true') {
+                $locked_file = 1;
             }
         }
     }
@@ -9182,55 +8471,15 @@ sub check_for_upload {
             return ('file_locked',$msg);
         } else {
             my $msg = '<span class="LC_error">';
-            $msg .= &mt(' A file by that name: [_1] was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$port_path.$env{'form.currentpath'});
+            $msg .= &mt('Unable to upload [_1]. A file by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$port_path.$env{'form.currentpath'});
             $msg .= '</span>';
-            return ('existingfile',$msg);
+            $msg .= '<br />';
+            $msg .= &mt('To upload, rename or delete existing [_1] in [_2].','<span class="LC_filename">'.$fname.'</span>', $port_path.$env{'form.currentpath'});
+            return ('file_exists',$msg);
         }
     }
 }
 
-sub check_for_traversal {
-    my ($path,$url,$toplevel) = @_;
-    my @parts=split(/\//,$path);
-    my $cleanpath;
-    my $fullpath = $url;
-    for (my $i=0;$i<@parts;$i++) {
-        next if ($parts[$i] eq '.');
-        if ($parts[$i] eq '..') {
-            $fullpath =~ s{([^/]+/)$}{};
-        } else {
-            $fullpath .= $parts[$i].'/';
-        }
-    }
-    if ($fullpath =~ /^\Q$url\E(.*)$/) {
-        $cleanpath = $1;
-    } elsif ($fullpath =~ /^\Q$toplevel\E(.*)$/) {
-        my $curr_toprel = $1;
-        my @parts = split(/\//,$curr_toprel);
-        my ($url_toprel) = ($url =~ /^\Q$toplevel\E(.*)$/);
-        my @urlparts = split(/\//,$url_toprel);
-        my $doubledots;
-        my $startdiff = -1;
-        for (my $i=0; $i<@urlparts; $i++) {
-            if ($startdiff == -1) {
-                unless ($urlparts[$i] eq $parts[$i]) {
-                    $startdiff = $i;
-                    $doubledots .= '../';
-                }
-            } else {
-                $doubledots .= '../';
-            }
-        }
-        if ($startdiff > -1) {
-            $cleanpath = $doubledots;
-            for (my $i=$startdiff; $i<@parts; $i++) {
-                $cleanpath .= $parts[$i].'/';
-            }
-        }
-    }
-    $cleanpath =~ s{(/)$}{};
-    return $cleanpath;
-}
 
 =pod
 
@@ -11153,6 +10402,8 @@ sub construct_course {
 ############################################################
 ############################################################
 
+#SD
+# only Community and Course, or anything else?
 sub course_type {
     my ($cid) = @_;
     if (!defined($cid)) {
@@ -11318,15 +10569,12 @@ 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
@@ -11358,28 +10606,21 @@ 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 => $env{'user.adv'} );
-        my %domdef = &Apache::lonnet::get_domain_defaults($domain);
 
         foreach my $tool ('aboutme','blog','portfolio') {
             $userenv{'availabletools.'.$tool} = 
-                &Apache::lonnet::usertools_access($username,$domain,$tool,'reload',
-                                                  undef,\%userenv,\%domdef,\%is_adv);
+                &Apache::lonnet::usertools_access($username,$domain,$tool,'reload');
         }
 
         foreach my $crstype ('official','unofficial','community') {
             $userenv{'canrequest.'.$crstype} =
                 &Apache::lonnet::usertools_access($username,$domain,$crstype,
-                                                  'reload','requestcourses',
-                                                  \%userenv,\%domdef,\%is_adv);
+                                                  'reload','requestcourses');
         }
 
 	$env{'user.environment'} = "$lonids/$cookie.id";
@@ -11458,36 +10699,6 @@ sub clean_symb {
     return ($symb,$enc);
 }
 
-sub build_release_hashes {
-    my ($checkparms,$checkresponsetypes,$checkcrstypes,$anonsurvey,$randomizetry) = @_;
-    return unless((ref($checkparms) eq 'HASH') && (ref($checkresponsetypes) eq 'HASH') &&
-                  (ref($checkcrstypes) eq 'HASH') && (ref($anonsurvey) eq 'HASH') &&
-                  (ref($randomizetry) eq 'HASH'));
-    foreach my $key (keys(%Apache::lonnet::needsrelease)) {
-        my ($item,$name,$value) = split(/:/,$key);
-        if ($item eq 'parameter') {
-            if (ref($checkparms->{$name}) eq 'ARRAY') {
-                unless(grep(/^\Q$name\E$/,@{$checkparms->{$name}})) {
-                    push(@{$checkparms->{$name}},$value);
-                }
-            } else {
-                push(@{$checkparms->{$name}},$value);
-            }
-        } elsif ($item eq 'resourcetag') {
-            if ($name eq 'responsetype') {
-                $checkresponsetypes->{$value} = $Apache::lonnet::needsrelease{$key}
-            }
-        } elsif ($item eq 'course') {
-            if ($name eq 'crstype') {
-                $checkcrstypes->{$value} = $Apache::lonnet::needsrelease{$key};
-            }
-        }
-    }
-    ($anonsurvey->{major},$anonsurvey->{minor}) = split(/\./,$Apache::lonnet::needsrelease{'parameter:type:anonsurvey'});
-    ($randomizetry->{major},$randomizetry->{minor}) = split(/\./,$Apache::lonnet::needsrelease{'parameter:type:randomizetry'});
-    return;
-}
-
 =pod
 
 =back