--- loncom/interface/loncommon.pm	2009/05/15 14:48:42	1.816
+++ loncom/interface/loncommon.pm	2009/05/18 16:29:55	1.821
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.816 2009/05/15 14:48:42 bisitz Exp $
+# $Id: loncommon.pm,v 1.821 2009/05/18 16:29:55 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -4144,35 +4144,24 @@ Returns: value of designparamter $which
 ##############################################
 sub designparm {
     my ($which,$domain)=@_;
-    if ($env{'browser.blackwhite'} eq 'on') {
-	if ($which=~/\.(font|alink|vlink|link|textcol)$/) {
-	    return '#000000';
-	}
-	if ($which=~/\.(pgbg|sidebg|bgcol)$/) {
-	    return '#FFFFFF';
-	}
-	if ($which=~/\.tabbg$/) {
-	    return '#CCCCCC';
-	}
-    }
     if (exists($env{'environment.color.'.$which})) {
-	return $env{'environment.color.'.$which};
+        return $env{'environment.color.'.$which};
     }
     $domain=&determinedomain($domain);
     my %domdesign = &get_domainconf($domain);
     my $output;
     if ($domdesign{$domain.'.'.$which} ne '') {
-	$output = $domdesign{$domain.'.'.$which};
+        $output = $domdesign{$domain.'.'.$which};
     } else {
         $output = $defaultdesign{$which};
     }
     if (($which =~ /^(student|coordinator|author|admin)\.img$/) ||
         ($which =~ /login\.(img|logo|domlogo|login)/)) {
         if ($output =~ m{^/(adm|res)/}) {
-	    if ($output =~ m{^/res/}) {
-		my $local_name = &Apache::lonnet::filelocation('',$output);
-		&Apache::lonnet::repcopy($local_name);
-	    }
+            if ($output =~ m{^/res/}) {
+                my $local_name = &Apache::lonnet::filelocation('',$output);
+                &Apache::lonnet::repcopy($local_name);
+            }
             $output = &lonhttpdurl($output);
         }
     }
@@ -4444,15 +4433,6 @@ sub make_attr_string {
 	$attr_ref->{'style'}=$style.'; font-size: x-large;';
     }
 
-    if ($env{'browser.blackwhite'} eq 'on') {
-	delete($attr_ref->{'font'});
-	delete($attr_ref->{'link'});
-	delete($attr_ref->{'alink'});
-	delete($attr_ref->{'vlink'});
-	delete($attr_ref->{'bgcolor'});
-	delete($attr_ref->{'background'});
-    }
-
     my $attr_string;
     foreach my $attr (keys(%$attr_ref)) {
 	$attr_string .= " $attr=\"".$attr_ref->{$attr}.'" ';
@@ -4694,6 +4674,7 @@ table#LC_title_bar a {
 }
     
 table#LC_title_bar {
+  clear: both;
   /*display: none;*/
 }
 
@@ -4709,6 +4690,7 @@ table#LC_title_bar.LC_with_remote {
   font-family: $sans;
   border-collapse: collapse;
   padding: 0;
+  margin: 0;
 }
 
 table.LC_docs_path {
@@ -4732,15 +4714,15 @@ table#LC_title_bar .LC_title_bar_who {
   margin: 0;
 }
 
-table#LC_title_bar .LC_title_bar_name {
+table#LC_title_bar div.LC_title_bar_name {
   margin: 0;
 }
 
-table#LC_title_bar .LC_title_bar_role {
+table#LC_title_bar div.LC_title_bar_role {
   margin: 0;
 }
 
-table#LC_title_bar .LC_title_bar_realm {
+table#LC_title_bar div.LC_title_bar_realm {
   margin: 0;
 }
 
@@ -4817,6 +4799,16 @@ table#LC_mainmenu td.LC_mainmenu_column
  font-size: 70%;
 }
 
+#LC_head_subbox {
+ clear:both;
+ background: $sidebg;
+ border-bottom: 1px solid #999999;
+ height: 32px;
+ line-height: 32px; 
+ margin: 0 0 10px;
+ padding: 0;
+}
+
 .LC_fontsize_medium {
  font-size: 85%;
 }
@@ -5961,25 +5953,16 @@ ul.LC_TabContentBigger li a {
 ol#LC_MenuBreadcrumbs, 
 ol#LC_PathBreadcrumbs, 
 ul.LC_CourseBreadcrumbs {
-	border-top: solid 1px RGB(255, 255, 255);
-	height: 20px;
-	line-height: 20px;
-	vertical-align: bottom;
-	margin: 0 0 30px 0;
 	padding-left: 10px;
+	margin: 0;
 	list-style-position: inside;
-	background: url(/adm/lonIcons/lightGreyBG.png) repeat-x left top;
 }
 
 ol#LC_MenuBreadcrumbs li, 
 ol#LC_PathBreadcrumbs li, 
 ul.LC_CourseBreadcrumbs li {
-/*
-	background: url(/adm/lonIcons/arrow_white.png) no-repeat left center;
-*/
 	display: inline;
 	padding: 0 0 0 10px;
-/*	vertical-align: bottom; */
 	overflow:hidden;
 }
 
@@ -6791,6 +6774,9 @@ Returns either 'student','coordinator','
 ###############################################
 sub get_users_function {
     my $function = 'norole';
+    if ($env{'request.role'}=~/^(st)/) {
+        $function='student';
+    }
     if ($env{'request.role'}=~/^(cc|in|ta|ep)/) {
         $function='coordinator';
     }
@@ -6808,6 +6794,38 @@ sub get_users_function {
 
 =pod
 
+=item * &show_course()
+
+Used by lonmenu.pm and lonroles.pm to determine whether to use the word
+'Courses' or 'Roles' in inline navigation and on screen displaying user's roles.
+
+Inputs:
+None
+
+Outputs:
+Scalar: 1 if 'Course' to be used, 0 otherwise.
+
+=cut
+
+###############################################
+sub show_course {
+    my $course = !$env{'user.adv'};
+    if (!$env{'user.adv'}) {
+        foreach my $env (keys(%env)) {
+            next if ($env !~ m/^user\.priv\./);
+            if ($env !~ m/^user\.priv\.(?:st|cm)/) {
+                $course = 0;
+                last;
+            }
+        }
+    }
+    return $course;
+}
+
+###############################################
+
+=pod
+
 =item * &check_user_status()
 
 Determines current status of supplied role for a
@@ -10226,7 +10244,23 @@ sub escape_url {
     return join('/',@urlslices).'/'.$lastitem;
 }
 
-# -------------------------------------------------------- Initliaze user login
+sub compare_arrays {
+    my ($arrayref1,$arrayref2) = @_;
+    my (@difference,%count);
+    @difference = ();
+    %count = ();
+    if ((ref($arrayref1) eq 'ARRAY') && (ref($arrayref2) eq 'ARRAY')) {
+        foreach my $element (@{$arrayref1}, @{$arrayref2}) { $count{$element}++; }
+        foreach my $element (keys(%count)) {
+            if ($count{$element} == 1) {
+                push(@difference,$element);
+            }
+        }
+    }
+    return @difference;
+}
+
+# -------------------------------------------------------- Initialize user login
 sub init_user_environment {
     my ($r, $username, $domain, $authhost, $form, $args) = @_;
     my $lonids=$Apache::lonnet::perlvar{'lonIDsDir'};
@@ -10280,19 +10314,6 @@ sub init_user_environment {
     my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
         $clientunicode,$clientos) = &decode_user_agent($r);
 
-# -------------------------------------- Any accessibility options to remember?
-    if (($form->{'interface'}) && ($form->{'remember'} eq 'true')) {
-	foreach my $option ('imagesuppress','appletsuppress',
-			    'embedsuppress','fontenhance','blackwhite') {
-	    if ($form->{$option} eq 'true') {
-		&Apache::lonnet::put('environment',{$option => 'on'},
-				     $domain,$username);
-	    } else {
-		&Apache::lonnet::del('environment',[$option],
-				     $domain,$username);
-	    }
-	}
-    }
 # ------------------------------------------------------------- Get environment
 
     my %userenv = &Apache::lonnet::dump('environment',$domain,$username);
@@ -10310,10 +10331,8 @@ sub init_user_environment {
     if ($userenv{'texengine'} eq 'ttm') { $clientmathml=1; }
 
 # --------------- Do not trust query string to be put directly into environment
-    foreach my $option ('imagesuppress','appletsuppress',
-			'embedsuppress','fontenhance','blackwhite',
-			'interface','localpath','localres') {
-	$form->{$option}=~s/[\n\r\=]//gs;
+    foreach my $option ('interface','localpath','localres') {
+        $form->{$option}=~s/[\n\r\=]//gs;
     }
 # --------------------------------------------------------- Write first profile
 
@@ -10347,13 +10366,6 @@ sub init_user_environment {
 	    $form->{'interface'}=~s/\W//gs;
 	    $initial_env{"browser.interface"} = $form->{'interface'};
 	    $env{'browser.interface'}=$form->{'interface'};
-	    foreach my $option ('imagesuppress','appletsuppress',
-				'embedsuppress','fontenhance','blackwhite') {
-		if (($form->{$option} eq 'true') ||
-		    ($userenv{$option} eq 'on')) {
-		    $initial_env{"browser.$option"} = "on";
-		}
-	    }
 	}
 
         foreach my $tool ('aboutme','blog','portfolio') {