--- loncom/interface/loncommon.pm	2006/07/07 20:31:08	1.426
+++ loncom/interface/loncommon.pm	2006/07/19 11:30:36	1.434
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.426 2006/07/07 20:31:08 albertel Exp $
+# $Id: loncommon.pm,v 1.434 2006/07/19 11:30:36 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -706,8 +706,68 @@ sub helpLatexCheatsheet {
 	.'</td></tr></table>';
 }
 
+sub general_help {
+    my $helptopic='Student_Intro';
+    if ($env{'request.role'}=~/^(ca|au)/) {
+	$helptopic='Authoring_Intro';
+    } elsif ($env{'request.role'}=~/^cc/) {
+	$helptopic='Course_Coordination_Intro';
+    }
+    return $helptopic;
+}
+
+sub update_help_link {
+    my ($topic,$component_help,$faq,$bug,$stayOnPage) = @_;
+    my $origurl = $ENV{'REQUEST_URI'};
+    $origurl=~s|^/~|/priv/|;
+    my $timestamp = time;
+    foreach my $datum (\$topic,\$component_help,\$faq,\$bug,\$origurl) {
+        $$datum = &escape($$datum);
+    }
+
+    my $banner_link = "/adm/helpmenu?page=banner&amp;topic=$topic&amp;component_help=$component_help&amp;faq=$faq&amp;bug=$bug&amp;origurl=$origurl&amp;stamp=$timestamp&amp;stayonpage=$stayOnPage";
+    my $output .= <<"ENDOUTPUT";
+<script type="text/javascript">
+// <!-- BEGIN LON-CAPA Internal
+banner_link = '$banner_link';
+// END LON-CAPA Internal -->
+</script>
+ENDOUTPUT
+    return $output;
+}
+
+# now just updates the help link and generates a blue icon
 sub help_open_menu {
-    my ($topic,$component_help,$faq,$bug,$stayOnPage,$width,$height,$text) = @_;
+    my ($topic,$component_help,$faq,$bug,$stayOnPage,$width,$height,$text) 
+	= @_;
+    
+    $stayOnPage = 0 if (not defined $stayOnPage);
+    if ($env{'browser.interface'} eq 'textual' ||
+	$env{'environment.remote'} eq 'off' ) {
+	$stayOnPage=1;
+    }
+    my $output;
+    if ($component_help) {
+	if (!$text) {
+	    $output=&help_open_topic($component_help,undef,$stayOnPage,
+				       $width,$height);
+	} else {
+	    my $help_text;
+	    $help_text=&unescape($topic);
+	    $output='<table><tr><td>'.
+		&help_open_topic($component_help,$help_text,$stayOnPage,
+				 $width,$height).'</td></tr></table>';
+	}
+    }
+    my $banner_link = &update_help_link($topic,$component_help,$faq,$bug,$stayOnPage);
+    return $output.$banner_link;
+}
+
+sub top_nav_help {
+    my ($text) = @_;
+
+    my ($topic,$component_help,$faq,$bug,$stayOnPage,$width,$height);
+   
     $text = "" if (not defined $text);
     $stayOnPage = 0 if (not defined $stayOnPage);
     if ($env{'browser.interface'} eq 'textual' ||
@@ -718,25 +778,15 @@ sub help_open_menu {
     $height = 600 if (not defined $height);
     my $link='';
     my $title = &mt('Get help');
-    my $origurl = $ENV{'REQUEST_URI'};
-    $origurl=~s|^/~|/priv/|;
-    my $timestamp = time;
-    foreach my $datum (\$topic,\$component_help,\$faq,\$bug,\$origurl) {
-        $$datum = &escape($$datum);
-    }
-    if (!$stayOnPage) {
-         $link = "javascript:helpMenu('open')";
+    if ($stayOnPage) {
+	$link = "javascript:helpMenu('display')";
     } else {
-        $link = "javascript:helpMenu('display')";
+        $link = "javascript:helpMenu('open')";
     }
-    my $banner_link = "/adm/helpmenu?page=banner&amp;topic=$topic&amp;component_help=$component_help&amp;faq=$faq&amp;bug=$bug&amp;origurl=$origurl&amp;stamp=$timestamp&amp;stayonpage=$stayOnPage";
-    my $details_link = "/adm/helpmenu?page=body&amp;topic=$topic&amp;component_help=$component_help&amp;faq=$faq&amp;bug=$bug&amp;origurl=$origurl&amp;stamp=$timestamp";
+    my $helptopic=&general_help();
+    my $banner_link = &update_help_link($topic,$component_help,$faq,$bug,$stayOnPage);
+    my $details_link = '/adm/help/'.$helptopic.'.hlp';
     my $template;
-    if ($text ne "") {
-	$template .= 
-  "<table bgcolor='#CC3300' cellspacing='1' cellpadding='1' border='0'><tr>".
-  "<td bgcolor='#CC6600'><a href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
-    }
     my $nothing=&Apache::lonhtmlcommon::javascript_nothing();
     my $helpicon=&lonhttpdurl("/adm/lonIcons/helpgateway.gif");
     my $start_page =
@@ -754,6 +804,7 @@ sub help_open_menu {
  <script type="text/javascript">
 // <!-- BEGIN LON-CAPA Internal
 // <![CDATA[
+var banner_link = '';
 function helpMenu(target) {
     var caller = this;
     if (target == 'open') {
@@ -773,29 +824,16 @@ function helpMenu(target) {
     return;
 }
 function writeHelp(caller) {
-    caller.document.writeln('$start_page<frame name="bannerframe"  src="$banner_link" /><frame name="bodyframe" src="$details_link" /> $end_page')
+    caller.document.writeln('$start_page<frame name="bannerframe"  src="'+banner_link+'" /><frame name="bodyframe" src="$details_link" /> $end_page')
     caller.document.close()
     caller.focus()
 }
 // ]]>
 // END LON-CAPA Internal -->
  </script>
- <a href="$link" title="$title"><img src="$helpicon" border="0" alt="(Help Menu)" /></a>
+$banner_link
+ <a href="$link" title="$title">$text</a>
 ENDTEMPLATE
-    if ($component_help) {
-	if (!$text) {
-	    $template=&help_open_topic($component_help,undef,$stayOnPage,
-				       $width,$height).' '.$template;
-	} else {
-	    my $help_text;
-	    $help_text=&unescape($topic);
-	    $template='<table><tr><td>'.
-		&help_open_topic($component_help,$help_text,$stayOnPage,
-				 $width,$height).'</td><td>'.$template.
-				 '</td></tr></table>';
-	}
-    }
-    if ($text ne '') { $template.='</td></tr></table>' };
     return $template;
 }
 
@@ -1918,12 +1956,20 @@ sub get_related_words {
         return ();
     } 
     my @Words=();
+    my $count=0;
     if (exists($thesaurus_db{$keyword})) {
 	# The first element is the number of times
 	# the word appears.  We do not need it now.
-	(undef,@Words) = (split(/:/,$thesaurus_db{$keyword}));
-        for (my $i=0;$i<=$#Words;$i++) {
-            ($Words[$i],undef)= split(/\,/,$Words[$i]);
+	my (undef,@RelatedWords) = (split(/:/,$thesaurus_db{$keyword}));
+	my (undef,$mostfrequentcount)=split(/\,/,$RelatedWords[0]);
+	my $threshold=$mostfrequentcount/10;
+        foreach my $possibleword (@RelatedWords) {
+            my ($word,$wordcount)=split(/\,/,$possibleword);
+            if ($wordcount>$threshold) {
+		push(@Words,$word);
+                $count++;
+                if ($count>10) { last; }
+	    }
         }
     }
     untie %thesaurus_db;
@@ -2002,6 +2048,9 @@ sub nickname {
 
 sub getnames {
     my ($uname,$udom)=@_;
+    if ($udom eq 'public' && $uname eq 'public') {
+	return ('lastname' => &mt('Public'));
+    }
     my $id=$uname.':'.$udom;
     my ($names,$cached)=&Apache::lonnet::is_cached_new('namescache',$id);
     if ($cached) {
@@ -2839,6 +2888,7 @@ sub bodytag {
     } else {
         $role = &Apache::lonnet::plaintext($role);
     }
+
     if (!$realm) { $realm='&nbsp;'; }
 # Set messages
     my $messages=&domainlogo($domain);
@@ -2867,6 +2917,11 @@ sub bodytag {
     }
 
     my $name = &plainname($env{'user.name'},$env{'user.domain'});
+    if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
+	undef($role);
+    } else {
+	$name = &aboutmewrapper($name,$env{'user.name'},$env{'user.domain'});
+    }
     
     my $roleinfo=(<<ENDROLE);
 <td class="LC_title_bar_who">
@@ -3178,7 +3233,7 @@ table#LC_title_bar td {
 table#LC_title_bar td.LC_title_bar_who {
   background: $tabbg;
   color: $font;
-  font: medium $sans;
+  font: small $sans;
   text-align: right;
 }
 span.LC_title_bar_title {
@@ -3216,14 +3271,18 @@ table#LC_top_nav td a, div#LC_top_nav a
 }
 table#LC_top_nav td.LC_top_nav_logo {
   background: $tabbg;
-  text-align: right;
+  text-align: left;
   white-space: nowrap;
-  font-weight: bold;
+  width: 31px;
 }
 table#LC_top_nav td.LC_top_nav_logo img {
-  margin-left: 0.2em;
+  border: 0px;
   vertical-align: bottom;
 }
+table#LC_top_nav td.LC_top_nav_exit,
+table#LC_top_nav td.LC_top_nav_help {
+  width: 2.0em;
+}
 table.LC_breadcrumbs td, table.LC_docs_path td  {
   background: $tabbg;
   color: $font;
@@ -3966,7 +4025,7 @@ sub simple_error_page {
 	my ($add_class) = @_;
 	$row_count++;
 	my $css_class = ($row_count % 2)?'':'LC_even_row';
-	my $css_class = (join(' ',$css_class,$add_class));
+	$css_class = (join(' ',$css_class,$add_class));
 	return  '<tr class="'.$css_class.'">'."\n";;
     }