--- loncom/interface/loncommon.pm	2010/12/19 22:34:42	1.948.2.14
+++ loncom/interface/loncommon.pm	2010/08/07 19:23:50	1.972
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.948.2.14 2010/12/19 22:34:42 raeburn Exp $
+# $Id: loncommon.pm,v 1.972 2010/08/07 19:23:50 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;
@@ -3260,8 +3239,7 @@ sub filemimetype {
 sub filecategoryselect {
     my ($name,$value)=@_;
     return &select_form($value,$name,
-			'' => &mt('Any category'),
-			{'' => &mt('Any category'), map { $_,$_ } sort(keys(%category_extensions))});
+                        {'' => &mt('Any category'), map { $_,$_ } sort(keys(%category_extensions))});
 }
 
 =pod
@@ -3426,7 +3404,7 @@ 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(/\./,$key);
@@ -3437,9 +3415,6 @@ sub get_previous_attempt {
               unless ($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});
+                        }
                     }
                 }
             }
@@ -3562,29 +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{\Q\0\E}) {
-                $answer =~ s{\Q\0\E}{, }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{\Q\0\E}) {
-                    $answer =~ s{\Q\0\E}{, }g;
-                }
-                $value .=  $ans.'='.$answer.'<br />';;
-            }
-        }
     } else {
 	$value = &unescape($value);
     }
@@ -3863,9 +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,
@@ -4589,9 +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,
@@ -4609,7 +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'))
@@ -4651,8 +4604,6 @@ sub bodytag {
     }
 
     if (!$realm) { $realm='&nbsp;'; }
-# Set messages
-    my $messages=&domainlogo($domain);
 
     my $extra_body_attr = &make_attr_string($forcereg,\%design);
 
@@ -4670,7 +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
@@ -4686,8 +4637,6 @@ sub bodytag {
     $role = '<span class="LC_nobreak">('.$role.')</span>' if $role;
     &get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['inhibitmenu']);
 
-    if ($env{'environment.remote'} eq 'off') {
-        # No Remote
         if ($no_nav_bar || $env{'form.inhibitmenu'} eq 'yes') { 
             return $bodytag; 
         } 
@@ -4729,7 +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);
@@ -4742,45 +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>|;
-    }
-
-    $bodytag .= qq|<div id="LC_nav_bar">$name $role</div>
-            <ol class="LC_primary_menu LC_right">
-                <li>$menu</li>
-            </ol><div id="LC_realm"> $realm $dc_info</div>| unless $env{'form.inhibitmenu'};
-    return(<<ENDBODY);
-$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>';
@@ -4807,22 +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;
@@ -4920,6 +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 */
@@ -5152,11 +5054,6 @@ td.LC_table_cell_checkbox {
   padding: 0;
 }
 
-/* Preliminary fix to hide breadcrumbs inside remote control window */
-#LC_remote #LC_breadcrumbs {
-  display:none;
-}
-
 #LC_head_subbox {
   clear:both;
   background: #F8F8F8; /* $sidebg; */
@@ -5529,14 +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,
@@ -5697,16 +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;
 }
@@ -6165,11 +6044,6 @@ ol.LC_primary_menu {
   margin: 0;
 }
 
-span.LC_new_message{
-  font-weight:bold;
-  color: darkred;
-}
-
 ol#LC_PathBreadcrumbs {
   margin: 0;
 }
@@ -6190,28 +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 {
@@ -6331,7 +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 {
@@ -6358,6 +6213,7 @@ ul.LC_TabContentBigger li.active b {
   cursor:default;
 }
 
+
 ul.LC_CourseBreadcrumbs {
   background: $sidebg;
   line-height: 32px;
@@ -6526,14 +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);
 }
@@ -6675,8 +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'}
@@ -6702,7 +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
@@ -6755,43 +6603,6 @@ 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.
@@ -6829,14 +6640,12 @@ $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
 
@@ -6847,6 +6656,14 @@ $args - additional optional args support
 sub start_page {
     my ($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',
@@ -6855,13 +6672,16 @@ 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'}) ) {
@@ -6875,8 +6695,7 @@ 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);
         }
     }
 
@@ -6892,14 +6711,10 @@ 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();
@@ -6920,28 +6735,6 @@ 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) = @_;
     $env{'internal.end_page'}++;
@@ -7045,12 +6838,12 @@ sub simple_error_page {
     sub start_data_table {
 	my ($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";;
     }
 
@@ -7229,8 +7022,7 @@ 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';
@@ -8464,83 +8256,14 @@ sub get_env_multiple {
 
 sub ask_for_embedded_content {
     my ($actionurl,$state,$allfiles,$codebase,$args)=@_;
-    my (%subdependencies,%dependencies,%newfiles);
+    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 $upload_output;
-    foreach my $embed_file (keys(%{$allfiles})) {
-        unless ($embed_file =~ m{^\w+://} || $embed_file =~ m{^/}) {
-            my ($relpath,$fname);
-            if ($embed_file =~ m{/}) {
-                my ($path,$fname) = ($embed_file =~ m{^(.+)/([^/]*)$});
-                $subdependencies{$path}{$fname} = 1;
-            } else {
-                $dependencies{$embed_file} = 1;
-            }
-        }
-    }
-    my ($url,$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';
-        }
-        $url .= $current_path;
-        $getpropath = 1;
-    } elsif ($actionurl eq '/adm/upload') {
-        ($uname,my $rest) = ($args->{'current_path'} =~ m{/priv/($match_username)/?(.*)$});
-        $url = '/home/'.$uname.'/public_html';
-        if ($rest ne '') {
-            $url .= '/'.$rest;
-        }
-    }
-    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') {
-            if (opendir(my $dir,$url.'/'.$path)) {
-                my @subdir_list = grep(!/^\./,readdir($dir));
-                map {$currsubfile{$_} = 1;} @subdir_list;
-            }
-        }
-        foreach my $file (keys(%{$subdependencies{$path}})) {
-            unless ($currsubfile{$file}) {
-                 $newfiles{$path.'/'.$file} = 1;
-            }
-        }
-    }
-    my (@dir_list,%currfile);
-    if (($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') {
-        if (opendir(my $dir,$url)) {
-            @dir_list = grep(!/^\./,readdir($dir));
-            map {$currfile{$_} = 1;} @dir_list;
-        }
-    }
-    foreach my $file (keys(%dependencies)) {
-        unless ($currfile{$file}) {
-            $newfiles{$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})) {
         $upload_output .= &start_data_table_row().
             '<td>'.$embed_file.'</td><td>';
         if ($args->{'ignore_remote_references'}
@@ -8567,21 +8290,14 @@ sub ask_for_embedded_content {
                     &escape($$codebase{$embed_file}).'" />';
             }
         }
-        $upload_output .= '</td>'.&Apache::loncommon::end_data_table_row()."\n";
+        $upload_output .= '</td>'.&Apache::loncommon::end_data_table_row();
         $num++;
     }
-    if ($num) {
-        $upload_output = '<form name="upload_embedded" action="'.$actionurl.'"'.
-                         ' method="post" enctype="multipart/form-data">'."\n".
-                         $state.
-                         '<b>Upload embedded files</b>:<br />'.&start_data_table().
-                         $upload_output.
-                         &Apache::loncommon::end_data_table().'<br />'."\n".
-                         '<input type ="hidden" name="number_embedded_items" value="'.$num.'" />'."\n".
-                         '<input type ="submit" value="'.&mt('Upload Listed Files').'" />'."\n".
-                         &mt('(only files for which a location has been provided will be uploaded)')."\n".
-                         '</form>';
-    }
+    $upload_output .= &Apache::loncommon::end_data_table().'<br />
+   <input type ="hidden" name="number_embedded_items" value="'.$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;
 }
 
@@ -8617,7 +8333,8 @@ sub upload_embedded {
                                               $dir_root,$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;
             }
@@ -8644,25 +8361,18 @@ sub upload_embedded {
 
         $env{'form.embedded_item_'.$i.'.filename'}=$fname;
         if ($context eq 'portfolio') {
-            my $result;
-            if ($state eq 'existingfile') {
-                $result=
-                    &Apache::lonnet::userfileupload('embedded_item_'.$i,'existingfile',
-                                                    $dirpath.$path,);
+            my $result=
+                &Apache::lonnet::userfileupload('embedded_item_'.$i,'',
+                                                $dirpath.$path);
+            if ($result !~ m|^/uploaded/|) {
+                $output .= '<span class="LC_error">'
+                      .&mt('An error occurred ([_1]) while trying to upload [_2] for embedded element [_3].'
+                           ,$result,$orig_uploaded_filename,$env{'form.embedded_orig_'.$i})
+                      .'</span><br />';
+                next;
             } else {
-                $result=
-                    &Apache::lonnet::userfileupload('embedded_item_'.$i,'',
-                                                    $dirpath.$path);
-                if ($result !~ m|^/uploaded/|) {
-                    $output .= '<span class="LC_error">'
-                               .&mt('An error occurred ([_1]) while trying to upload [_2] for embedded element [_3].'
-                               ,$result,$orig_uploaded_filename,$env{'form.embedded_orig_'.$i})
-                               .'</span><br />';
-                    next;
-                } else {
-                    $output .= '<p>'.&mt('Uploaded [_1]','<span class="LC_filename">'.
-                               $path.$fname.'</span>').'</p>';     
-                }
+                $output .= '<p>'.&mt('Uploaded [_1]','<span class="LC_filename">'.
+                           $path.$fname.'</span>').'</p>';     
             }
         } else {
 # Save the file
@@ -8728,24 +8438,14 @@ 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>',
-                      $filesize).'<br />'.
-                  &mt('Either the file you uploaded was empty, or your web browser was unable to read its contents.').'<br />';
-                  '</span>';
-        return ('zero_bytes',$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;
     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 '') {
@@ -8754,20 +8454,6 @@ sub check_for_upload {
             $found_file = 1;
             if (&Apache::lonnet::is_locked($file_name,$udom,$uname) eq 'true') {
                 $locked_file = 1;
-            } else {
-                my @info = split(/\&/,$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',$msg);
-                    }
-                }
             }
         }
     }
@@ -8785,9 +8471,11 @@ sub check_for_upload {
             return ('file_locked',$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);
         }
     }
 }
@@ -10714,6 +10402,8 @@ sub construct_course {
 ############################################################
 ############################################################
 
+#SD
+# only Community and Course, or anything else?
 sub course_type {
     my ($cid) = @_;
     if (!defined($cid)) {
@@ -10879,15 +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
@@ -10919,28 +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";