--- loncom/interface/lonhtmlcommon.pm	2009/05/22 17:57:19	1.218
+++ loncom/interface/lonhtmlcommon.pm	2009/12/22 05:33:36	1.255
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common html routines
 #
-# $Id: lonhtmlcommon.pm,v 1.218 2009/05/22 17:57:19 bisitz Exp $
+# $Id: lonhtmlcommon.pm,v 1.255 2009/12/22 05:33:36 faziophi Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -62,6 +62,22 @@ use Apache::lonlocal;
 use Apache::lonnet;
 use LONCAPA;
 
+
+sub coursepreflink {
+   my ($text,$category)=@_;
+   if (&Apache::lonnet::allowed('opa',$env{'request.course.id'})) {
+      return '<a href="/adm/courseprefs?phase=display&actions='.$category.'">'.$text.'</a>';
+   } else {
+      return '';
+   }
+}
+
+sub raw_href_to_link {
+   my ($message)=@_;
+   $message=~s/(https?\:\/\/[^\s\'\"]+)(\s|$)/<a href="$1"><tt>$1<\/tt><\/a>$2/gi;
+   return $message;
+}
+
 ##############################################
 ##############################################
 
@@ -82,7 +98,7 @@ sub confirm_success {
             .'</span>'."\n";
    } else {
       return '<span class="LC_success">'."\n"
-            .'<img src="/adm/lonIcons/navmap.correct.gif" alt="'.&mt('Ok').'" /> '."\n"
+            .'<img src="/adm/lonIcons/navmap.correct.gif" alt="'.&mt('OK').'" /> '."\n"
             .$message."\n"
             .'</span>'."\n";
    }
@@ -111,7 +127,7 @@ sub dragmath_button {
     }
     my $buttontext=&mt('Edit Math');
     return <<ENDDRAGMATH;
-                <input type="button" value="$buttontext", onclick="javascript:mathedit('$textarea',document)" />$help_text
+                <input type="button" value="$buttontext" onclick="javascript:mathedit('$textarea',document)" />$help_text
 ENDDRAGMATH
 }
 
@@ -160,8 +176,8 @@ sub authorbombs {
     $url=&Apache::lonnet::declutter($url);
     my ($udom,$uname)=($url=~m{^($LONCAPA::domain_re)/($LONCAPA::username_re)/});
     my %bombs=&Apache::lonmsg::all_url_author_res_msg($uname,$udom);
-    foreach (keys %bombs) {
-	if ($_=~/^$udom\/$uname\//) {
+    foreach my $bomb (keys(%bombs)) {
+	if ($bomb =~ /^$udom\/$uname\//) {
 	    return '<a href="/adm/bombs/'.$url.
 		'"><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/bomb.gif').'" alt="'.&mt('Bomb').'" border="0" /></a>'.
 		&Apache::loncommon::help_open_topic('About_Bombs');
@@ -222,6 +238,9 @@ sub select_recent {
 	unless ($value =~/^error\:/) {
 	    my $escaped = &Apache::loncommon::escape_url($value);
 	    &Apache::loncommon::inhibit_menu_check(\$escaped);
+            if ($area eq 'residx') {
+                next if ((!&Apache::lonnet::allowed('bre',$value)) && (!&Apache::lonnet::allowed('bro',$value)));
+            }
 	    $return.="\n<option value='$escaped'>".
 		&unescape((split(/\&/,$recent{$value}))[1]).
 		'</option>';
@@ -239,7 +258,7 @@ sub get_recent {
 # Begin filling return_hash with any 'always_include' option
     my %time_hash = ();
     my %return_hash = ();
-    foreach my $item (keys %recent) {
+    foreach my $item (keys(%recent)) {
         my ($thistime,$thisvalue)=(split(/\&/,$recent{$item}));
         if ($thistime eq 'always_include') {
             $return_hash{$item} = &unescape($thisvalue);
@@ -505,23 +524,23 @@ ENDJS
     unshift(@Months,'If you can read this an error occurred');
     if ($includeempty) { $monthselector.="<option value=''></option>"; }
     for(my $m = 1;$m <=$#Months;$m++) {
-        $monthselector .= qq{      <option value="$m" };
-        $monthselector .= "selected " if ($m-1 eq $month);
-        $monthselector .= '> '.&mt($Months[$m]).' </option>';
+        $monthselector .= qq{      <option value="$m"};
+        $monthselector .= ' selected="selected"' if ($m-1 eq $month);
+        $monthselector .= '> '.&mt($Months[$m]).' </option>'."\n";
     }
     $monthselector.= '  </select>';
     # Day
     my $dayselector = qq{<input type="text" name="$dname\_day" $state value="$mday" size="3" $special onchange="javascript:$dname\_checkday()" />};
     # Year
-    my $yearselector = qq{<input type="year" name="$dname\_year" $state value="$year" size="5" $special onchange="javascript:$dname\_checkday()" />};
+    my $yearselector = qq{<input type="text" name="$dname\_year" $state value="$year" size="5" $special onchange="javascript:$dname\_checkday()" />};
     #
     my $hourselector = qq{<select name="$dname\_hour" $special $state >};
     if ($includeempty) { 
         $hourselector.=qq{<option value=''></option>};
     }
     for (my $h = 0;$h<24;$h++) {
-        $hourselector .= qq{<option value="$h" };
-        $hourselector .= "selected " if (defined($hour) && $hour == $h);
+        $hourselector .= qq{<option value="$h"};
+        $hourselector .= ' selected="selected"' if (defined($hour) && $hour == $h);
         $hourselector .= ">";
         my $timest='';
         if ($h == 0) {
@@ -609,7 +628,7 @@ Inputs:
 
 =item $dname
 
-The name passed to &datesetter, which prefixes the form elements.
+The name passed to &date_setter, which prefixes the form elements.
 
 =item $defaulttime
 
@@ -978,8 +997,7 @@ sub Create_PrgWin {
 
 	#the whole function called through timeout is due to issues
 	#in mozilla Read BUG #2665 if you want to know the whole story
-	&r_print($r,'<script type="text/javascript">'.
-        '// <![CDATA['.
+	&r_print($r,&Apache::lonhtmlcommon::scripttag(
         "var popwin;
          function openpopwin () {
          popwin=open(\'\',\'popwin\',\'width=400,height=100\');".
@@ -990,9 +1008,8 @@ sub Create_PrgWin {
 	      &mt('Starting').'" /><\\/form>'.$end_page.
               "\');".
         "popwin.document.close();}".
-        "\nwindow.setTimeout(openpopwin,0)".
-        '// ]]>'.
-        '</script>');
+        "\nwindow.setTimeout(openpopwin,0)"
+    ));
 	$prog_state{'formname'}='popremain';
 	$prog_state{'inputname'}="remaining";
     } elsif ($type eq 'inline') {
@@ -1025,14 +1042,12 @@ sub Create_PrgWin {
 # update progress
 sub Update_PrgWin {
     my ($r,$prog_state,$displayString)=@_;
-    &r_print($r,'<script type="text/javascript">'.
-        '// <![CDATA['.
+    &r_print($r,&Apache::lonhtmlcommon::scripttag(
         $$prog_state{'window'}.'.document.'.
-	     $$prog_state{'formname'}.'.'.
-	     $$prog_state{'inputname'}.'.value="'.
-	     $displayString.'";'.
-        '// ]]>'.
-        '</script>');
+        $$prog_state{'formname'}.'.'.
+        $$prog_state{'inputname'}.'.value="'.
+        $displayString.'";'
+    ));
     $$prog_state{'laststart'}=&Time::HiRes::time();
 }
 
@@ -1085,15 +1100,13 @@ sub Increment_PrgWin {
     if ($user_browser eq 'explorer' && $user_os =~ 'mac') {
         $lasttime = '';
     }
-    &r_print($r,'<script>'.
-        '// <![CDATA['.
+    &r_print($r,&Apache::lonhtmlcommon::scripttag(
         $$prog_state{'window'}.'.document.'.
-	     $$prog_state{'formname'}.'.'.
-	     $$prog_state{'inputname'}.'.value="'.
-	     $$prog_state{'done'}.'/'.$$prog_state{'max'}.
-	     ': '.$time_est.' '.&mt('remaining').' '.$lasttime.'";'.
-        '// ]]>'.
-        '</script>');
+        $$prog_state{'formname'}.'.'.
+        $$prog_state{'inputname'}.'.value="'.
+        $$prog_state{'done'}.'/'.$$prog_state{'max'}.
+        ': '.$time_est.' '.&mt('remaining').' '.$lasttime.'";'
+    ));
     $$prog_state{'laststart'}=&Time::HiRes::time();
 }
 
@@ -1101,11 +1114,9 @@ sub Increment_PrgWin {
 sub Close_PrgWin {
     my ($r,$prog_state)=@_;
     if ($$prog_state{'type'} eq 'popup') {
-        &r_print($r,'<script>'.
-            '// <![CDATA['.
-            'popwin.close()'.
-            '// ]]>'.
-            '</script>'."\n");
+        &r_print($r,&Apache::lonhtmlcommon::scripttag(
+            'popwin.close()'
+        ));
     } elsif ($$prog_state{'type'} eq 'inline') {
 	&Update_PrgWin($r,$prog_state,&mt('Done'));
     }
@@ -1125,47 +1136,45 @@ sub r_print {
 # ------------------------------------------------------- Puts directory header
 
 sub crumbs {
-    my ($uri,$target,$prefix,$form,$size,$noformat,$skiplast)=@_;
-    if (! defined($size)) {
-        $size = '+2';
-    }
+    my ($uri,$target,$prefix,$form,$skiplast)=@_;
     if ($target) {
         $target = ' target="'.
                   &Apache::loncommon::escape_single($target).'"';
     }
-    my $output='';
-    unless ($noformat) { $output.='<br /><tt><b>'; }
-    $output.='<font size="'.$size.'">'.$prefix.'/';
-    if ($env{'user.adv'}) {
-	my $path=$prefix.'/';
-	foreach my $dir (split('/',$uri)) {
+    my $output='<span class="LC_filename">';
+    $output.=$prefix.'/';
+    if (($env{'user.adv'}) || ($env{'user.author'})) {
+        my $path=$prefix.'/';
+        foreach my $dir (split('/',$uri)) {
             if (! $dir) { next; }
             $path .= $dir;
-	    if ($path eq $uri) {
-		if ($skiplast) {
-		    $output.=$dir;
+            if ($path eq $uri) {
+                if ($skiplast) {
+                    $output.=$dir;
                     last;
-		} 
-	    } else {
-		$path.='/'; 
-	    }	    
+                } 
+            } else {
+                $path.='/'; 
+            }
             my $href_path = &HTML::Entities::encode($path,'<>&"');
-	    &Apache::loncommon::inhibit_menu_check(\$href_path);
-	    if ($form) {
-	        my $href = 'javascript:'.$form.".action='".$href_path."';".$form.'.submit();';
-	        $output.=qq{<a href="$href" $target>$dir</a>/};
-	    } else {
-	        $output.=qq{<a href="$href_path" $target>$dir</a>/};
-	    }
-	}
+            &Apache::loncommon::inhibit_menu_check(\$href_path);
+            if ($form) {
+                my $href = 'javascript:'.$form.".action='".$href_path."';".$form.'.submit();';
+                $output.=qq{<a href="$href"$target>$dir</a>/};
+            } else {
+                $output.=qq{<a href="$href_path"$target>$dir</a>/};
+            }
+        }
     } else {
-	foreach my $dir (split('/',$uri)) {
+        foreach my $dir (split('/',$uri)) {
             if (! $dir) { next; }
-	    $output.=$dir.'/';
-	}
+            $output.=$dir.'/';
+        }
     }
     if ($uri !~ m|/$|) { $output=~s|/$||; }
-    return $output.'</font>'.($noformat?'':'</b></tt><br />');
+    $output.='</span>';
+
+    return $output;
 }
 
 # --------------------- A function that generates a window for the spellchecker
@@ -1232,11 +1241,18 @@ ENDLINK
 }
 
 sub htmlareaheaders {
-    return if (&htmlareablocked());
-    return if (!&htmlareabrowser());
-    return (<<ENDHEADERS);
+	my $s="";
+	if (!&htmlareablocked() && &htmlareabrowser()) {
+		$s.=(<<ENDEDITOR);
 <script type="text/javascript" src="/fckeditor/fckeditor.js"></script>
-ENDHEADERS
+<script type="text/javascript" src="/ckeditor/ckeditor.js"></script>
+ENDEDITOR
+	}
+    $s.=(<<ENDJQUERY);
+<script type="text/javascript" src="/adm/jQuery/js/jquery-1.3.2.min.js"></script>
+<script type="text/javascript" src="/adm/jQuery/js/jquery-ui-1.7.2.custom.min.js"></script>
+ENDJQUERY
+	return $s;
 }
 
 # ----------------------------------------------------------------- Preferences
@@ -1272,22 +1288,79 @@ sub htmlareaselectactive {
     my @fields=@_;
     unless (&htmlareabrowser()) { return ''; }
     if (&htmlareablocked()) { return '<br />'.&enablelink(@fields); }
-    my $output='<script type="text/javascript" defer="1">'
-              .'// <![CDATA[';
+    my $output='<script type="text/javascript" defer="1">'."\n"
+              .'// <![CDATA['."\n";
     my $lang = &htmlarea_lang();
-    foreach my $field (@fields) {
-	$output.="
-{
-    var oFCKeditor = new FCKeditor('$field');
-    oFCKeditor.Config['CustomConfigurationsPath'] = 
-	'/fckeditor/loncapaconfig.js';    
-    oFCKeditor.ReplaceTextarea();
-    oFCKeditor.Config['AutoDetectLanguage'] = false;
-    oFCKeditor.Config['DefaultLanguage'] = '$lang';
-}";
+    $output.='
+    
+    function containsBlockHtml(id) {
+		var re = $("#"+id).html().search(/(?:\&lt\;|\<)(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div)[\s]*((?:\/[\s]*(?:\&gt\;|\>)|(?:\&gt\;|\>)[\s\S]*(?:\&lt\;|\<)\/[\s]*\1[\s]*\(?:\&gt\;|\>))/im);
+    	return (re >= 0);
+    }
+    
+    function startRichEditor(id) {
+    	CKEDITOR.replace(id, 
+    		{
+    			customConfig: "/ckeditor/loncapaconfig.js",
+    		}
+    	);
+    }
+    
+    function destroyRichEditor(id) {
+    	CKEDITOR.instances[id].destroy();
     }
+    
+    function editorHandler(event) {
+    	var rawid = $(this).attr("id");
+    	var id = new RegExp("LC_rt_(.*)").exec(rawid)[1]
+    	event.preventDefault();
+    	if ($(this).hasClass("LC_enable_rt")) {
+    		startRichEditor(id);
+			$("#LC_rt_"+id).html("<b>&laquo; Plain text</b>");
+			$("#LC_rt_"+id).attr("title", "Disable rich text formatting and edit in plain text");
+			$("#LC_rt_"+id).addClass("LC_disable_rt");
+			$("#LC_rt_"+id).removeClass("LC_enable_rt");
+    	} else {
+			destroyRichEditor(id);
+			$("#LC_rt_"+id).html("<b>Rich formatting &raquo;</b>");
+			$("#LC_rt_"+id).attr("title", "Enable rich text formatting (bold, italic, etc.)");
+			$("#LC_rt_"+id).addClass("LC_enable_rt");
+			$("#LC_rt_"+id).removeClass("LC_disable_rt");
+		}
+	}
+    
+    $(document).ready(function(){
+		$(".LC_richAlwaysOn").each(function() {
+			startRichEditor($(this).attr("id"));
+		});
+		$(".LC_richDetectHtml").each(function() {
+			var id = $(this).attr("id");
+			if(containsBlockHtml(id)) {
+				$(this).before("<div><a href=\"#\" id=\"LC_rt_"+id+"\" title=\"Disable rich text formatting and edit in plain text\" class=\"LC_disable_rt\"><b>&laquo; Plain text</b></a></div>");				
+				startRichEditor(id);
+				$("#LC_rt_"+id).click(editorHandler);				
+			}
+			else {
+				$(this).before("<div><a href=\"#\" id=\"LC_rt_"+id+"\" title=\"Enable rich text formatting (bold, italic, etc.)\" class=\"LC_enable_rt\"><b>Rich formatting &raquo;</b></a></div>");
+				$("#LC_rt_"+id).click(editorHandler);
+			}
+		});
+		$(".LC_richDefaultOn").each(function() {
+			var id = $(this).attr("id");
+			$(this).before("<div><a href=\"#\" id=\"LC_rt_"+id+"\" title=\"Disable rich text formatting and edit in plain text\" class=\"LC_disable_rt\"><b>&laquo; Plain text</b></a></div>");				
+			startRichEditor(id);
+			$("#LC_rt_"+id).click(editorHandler);
+		});
+		$(".LC_richDefaultOff").each(function() {
+			var id = $(this).attr("id");
+			$(this).before("<div><a href=\"#\" id=\"LC_rt_"+id+"\" title=\"Enable rich text formatting (bold, italic, etc.)\" class=\"LC_enable_rt\"><b>Rich formatting &raquo;</b></a></div>");
+			$("#LC_rt_"+id).click(editorHandler);			
+		});
+	});
+';
+    
     $output.="\nwindow.status='Activated Editfields';\n"
-            .'// ]]>'
+            .'// ]]>'."\n"
             .'</script><br />'.
 	&disablelink(@fields);
     return $output;
@@ -1314,15 +1387,13 @@ sub htmlareabrowser {
 =item breadcrumbs
 
 Compiles the previously registered breadcrumbs into an series of links.
-FAQ and BUG links will be placed on the left side of the table if they
-are defined for the last registered breadcrumb.  
 Additionally supports a 'component', which will be displayed on the
-right side of the table (without a link).
+right side of the breadcrumbs enclosing div (without a link).
 A link to help for the component will be included if one is specified.
 
 All inputs can be undef without problems.
 
-Inputs: $component (the large text on the right side of the table),
+Inputs: $component (the text on the right side of the breadcrumbs trail),
         $component_help
         $menulink (boolean, controls whether to include a link to /adm/menu)
         $helplink (if 'nohelp' don't include the orange help link)
@@ -1352,25 +1423,19 @@ returns: nothing
 ############################################################
 {
     my @Crumbs;
+    my %tools = ();
     
     sub breadcrumbs {
         my ($component,$component_help,$menulink,$helplink,$css_class,$no_mt, $CourseBreadcrumbs) = @_;
         #
         $css_class ||= 'LC_breadcrumbs';
-        my $Str1 = '<div id="LC_head_subbox"><ol id="LC_MenuBreadcrumbs">';
-	
-		if($CourseBreadcrumbs){
-			$Str1 = '<ul id="LC_CourseBreadcrumbs">';
-		}
 
-        my $Str = '';
-        #
         # Make the faq and bug data cascade
-        my $faq = '';
-        my $bug = '';
-        my $help='';
+        my $faq  = '';
+        my $bug  = '';
+        my $help = '';
         # Crumb Symbol
-        my $crumbsymbol = '&raquo;&nbsp;';
+        my $crumbsymbol = '&raquo;';
         # The last breadcrumb does not have a link, so handle it separately.
         my $last = pop(@Crumbs);
         #
@@ -1398,43 +1463,33 @@ returns: nothing
                 $last = $menulink;
             }
         }
-        my $links .= '<li>'. 
-            join('</li><li>'.$crumbsymbol,
+        my $links = join "", 
                  map {
-                     $faq = $_->{'faq'} if (exists($_->{'faq'}));
-                     $bug = $_->{'bug'} if (exists($_->{'bug'}));
+                     $faq  = $_->{'faq'}  if (exists($_->{'faq'}));
+                     $bug  = $_->{'bug'}  if (exists($_->{'bug'}));
                      $help = $_->{'help'} if (exists($_->{'help'}));
-                     my $result = '<a href="'.$_->{'href'}.'" ';
-                     if (defined($_->{'target'}) && $_->{'target'} ne '') {
-                         $result .= 'target="'.$_->{'target'}.'" ';
-                     }
-			# set the possible translation for title 
-		     if ($_->{'no_mt'}) {
-			 $result .='title="'.$_->{'title'}.'">'.
-			     $_->{'text'}.'</a>';
-		     } else {
-			 $result .='title="'.&mt($_->{'title'}).'">'.
-			     &mt($_->{'text'}).'</a>';
-		     }
-                     $result;
-                     } @Crumbs
-                 ).'</li>';
-#Workaround for edit course. 
-	if(@Crumbs == 0 ){
-		$links .= '<li>' if ($links ne '');
-	} else {
-		$links .= '<li>'.$crumbsymbol if ($links ne '');
-	}
-#should the last Element be translated?
-	if ($last->{'no_mt'}) {
-	    $links .= '<b>'.$last->{'text'}.'</b>';
-	} else {
-	    $links .= '<b>'.&mt($last->{'text'}).'</b>';
-	}
-	$links .= '</li>';
+
+                     my $result = htmltag( 'a', 
+                                           $_->{no_mt} ? 
+                                            $_->{text} : mt($_->{text}), 
+                                           { 
+                                               href   => $_->{href},
+                                               title  => $_->{no_mt} ? 
+                                                $_->{title} : mt($_->{title}),
+                                               target => $_->{target},
+                                           });
+                     $result = htmltag( 'li', "$result $crumbsymbol");
+                     } @Crumbs;
+
+        #should the last Element be translated?
+        $links  .= htmltag( 'li', 
+                        htmltag( 'b', 
+                                 $last->{'no_mt'} ? 
+                                 $last->{'text'} : mt($last->{'text'}) ));
+
         my $icons = '';
-        $faq = $last->{'faq'} if (exists($last->{'faq'}));
-        $bug = $last->{'bug'} if (exists($last->{'bug'}));
+        $faq  = $last->{'faq'}  if (exists($last->{'faq'}));
+        $bug  = $last->{'bug'}  if (exists($last->{'bug'}));
         $help = $last->{'help'} if (exists($last->{'help'}));
         $component_help=($component_help?$component_help:$help);
 #        if ($faq ne '') {
@@ -1443,48 +1498,100 @@ returns: nothing
 #        if ($bug ne '') {
 #            $icons .= &Apache::loncommon::help_open_bug($bug);
 #        }
-	if ($faq ne '' || $component_help ne '' || $bug ne '') {
-	    $icons .= &Apache::loncommon::help_open_menu($component,
-							 $component_help,
-							 $faq,$bug);
-	}
+        if ($faq ne '' || $component_help ne '' || $bug ne '') {
+            $icons .= &Apache::loncommon::help_open_menu($component,
+                                                         $component_help,
+                                                         $faq,$bug);
+        }
         #
 		
 
-		if($CourseBreadcrumbs){
-        	$Str1 .= $links.'</ul>';
-		} else {
-        	$Str1 .= $links.'</ol></div>';		
-		}
-        #
-        if (defined($component)) {
-            $Str .= "\n".'<table class="'.$css_class.'">'
-                   .'<tr><td class="'.$css_class.'_component">';
-            if ($no_mt) {
-                $Str .= $component;
-            } else {
-                $Str .= &mt($component);
-            }
-	    if ($icons ne '') {
-		$Str .= '&nbsp;'.$icons;
-	    }
-	    $Str .= '</td></tr></table>'."\n";
+        unless ($CourseBreadcrumbs) {
+            $links = htmltag('ol',  $links, { id => "LC_MenuBreadcrumbs"   });
+        } else {
+            $links = htmltag('ul',  $links, { class => "LC_CourseBreadcrumbs" });
         }
-        #
+
+        if ($component) {
+            $links = htmltag('span', 
+                             ( $no_mt ? $component : mt($component) ).
+                             ( $icons ? $icons : '' ),
+                             { class => 'LC_breadcrumbs_component' } )
+                             .$links;
+        }
+        
+        #SD START (work in progress!)
+        add_tools(\$links);
+        #SD END
+        $links = htmltag('div', $links, 
+                        { id => "LC_breadcrumbs" }) unless ($CourseBreadcrumbs) ;
+        add_advtools(\$links);
+
         # Return the @Crumbs stack to what we started with
         push(@Crumbs,$last);
         shift(@Crumbs);
-        # Return a table and after that the breadcrumb's line
-        return "$Str\n$Str1";
+        # Return the breadcrumb's line
+        return "$links";
     }
 
     sub clear_breadcrumbs {
         undef(@Crumbs);
+        undef(%tools);
     }
 
     sub add_breadcrumb {
-        push (@Crumbs,@_);
+        push(@Crumbs,@_);
+    }
+    
+
+    #SD START (work in progress!)
+    sub add_breadcrumb_tool {
+        my ($category, $html) = @_;
+        return unless $html;
+        if (!defined(%tools)) { 
+            my %tools = ( A => [], B => [], C => []);
+        }
+        push @{$tools{$category}}, $html;
+    }
+
+    sub clear_breadcrumb_tools {
+        undef(%tools);
+    }
+
+    sub add_tools {
+        my ($links) = @_;
+        return unless defined %tools;
+        my $html = '<ul class="LC_bct">';
+        for my $category ('A','B') {
+            $html .= '<li class="LC_breadcrumb_tools">'
+                   . '<ul class="LC_breadcrumb_tools'
+                   . " LC_breadcrumb_tools_$category\">";
+            for my $item (@{$tools{$category}}){
+                #SD ugly! I'll fix that later on
+                $item =~ s/align="(right|left)"//;
+                $item =~ s/<span(.*?)\/span>//;
+                $html .= "<li>$item</li>";
+            }
+            $html .= '</ul></li>';
+            if ($category eq 'A') { $html .= "<li>$$links</li>"; }
+        }
+        $$links = $html.'</ul>';
+    }
+
+    sub add_advtools {
+        my ($links) = @_;
+        return unless (defined $tools{'C'}) and (scalar (@{$tools{'C'}}) > 0);
+        my $html = start_funclist();
+        for my $item (@{$tools{'C'}}){
+                next unless $item;
+                $item =~ s/align="(right|left)"//;
+                $html .= add_item_funclist($item);
+        }
+        $html   .= end_funclist();
+        $html    = Apache::loncommon::head_subbox($html);
+        $$links .= $html;
     }
+    #SD END
 
 } # End of scope for @Crumbs
 
@@ -1577,7 +1684,7 @@ END
 }
 
 sub row_title {
-    my ($title,$css_title_class,$css_value_class) = @_;
+    my ($title,$css_title_class,$css_value_class, $css_value_furtherAttributes) = @_;
     $row_count[0]++;
     my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row';
     $css_title_class ||= 'LC_pick_box_title';
@@ -1589,7 +1696,7 @@ sub row_title {
         $title .= ':';
     }
     my $output = <<"ENDONE";
-           <tr class="LC_pick_box_row">
+           <tr class="LC_pick_box_row" $css_value_furtherAttributes> 
             <td $css_title_class>
 	       $title
             </td>
@@ -1620,6 +1727,10 @@ ENDTWO
 
 sub role_select_row {
     my ($roles,$title,$css_class,$show_separate_custom,$cdom,$cnum) = @_;
+    my $crstype = 'Course';
+    if ($cdom ne '' && $cnum ne '') {
+        $crstype = &Apache::loncommon::course_type($cdom.'_'.$cnum);
+    }
     my $output;
     if (defined($title)) {
         $output = &row_title($title,$css_class);
@@ -1644,7 +1755,7 @@ sub role_select_row {
                 $plrole = &mt('Custom Role');
             }
         } else {
-            $plrole=&Apache::lonnet::plaintext($role);
+            $plrole=&Apache::lonnet::plaintext($role,$crstype);
         }
         if (($role ne 'cr') || (!$show_separate_custom)) {
             $output .= '  <option value="'.$role.'">'.$plrole.'</option>';
@@ -1659,15 +1770,15 @@ sub role_select_row {
 
 sub course_select_row {
     my ($title,$formname,$totcodes,$codetitles,$idlist,$idlist_titles,
-	$css_class) = @_;
+	$css_class,$crstype) = @_;
     my $output = &row_title($title,$css_class);
-    $output .= &course_selection($formname,$totcodes,$codetitles,$idlist,$idlist_titles);
+    $output .= &course_selection($formname,$totcodes,$codetitles,$idlist,$idlist_titles,$crstype);
     $output .= &row_closure();
     return $output;
 }
 
 sub course_selection {
-    my ($formname,$totcodes,$codetitles,$idlist,$idlist_titles) = @_;
+    my ($formname,$totcodes,$codetitles,$idlist,$idlist_titles,$crstype) = @_;
     my $output = qq|
 <script type="text/javascript">
 // <![CDATA[
@@ -1696,9 +1807,19 @@ sub course_selection {
 // ]]>
 </script>
     |;
+
+    my ($allcrs,$pickspec);
+    if ($crstype eq 'Community') {
+        $allcrs = &mt('All communities');
+        $pickspec = &mt('Pick specific communities:');
+    } else {
+        $allcrs = &mt('All courses');
+        $pickspec = &mt('Pick specific course(s):');
+    }
+
     my $courseform='<b>'.&Apache::loncommon::selectcourse_link
-                     ($formname,'pickcourse','pickdomain','coursedesc','',1).'</b>';
-        $output .= '<input type="radio" name="coursepick" value="all" onclick="coursePick(this.form)" />'.&mt('All courses').'<br />';
+                     ($formname,'pickcourse','pickdomain','coursedesc','',1,$crstype).'</b>';
+        $output .= '<input type="radio" name="coursepick" value="all" onclick="coursePick(this.form)" />'.$allcrs.'<br />';
     if ($totcodes > 0) {
         my $numtitles = @$codetitles;
         if ($numtitles > 0) {
@@ -1743,7 +1864,7 @@ sub course_selection {
             $output .= '</tr></table><br />';
         }
     }
-    $output .= '<input type="radio" name="coursepick" value="specific" onclick="coursePick(this.form);opencrsbrowser('."'".$formname."','dccourse','dcdomain','coursedesc','','1'".')" />'.&mt('Pick specific course(s):').' '.$courseform.'&nbsp;&nbsp;<input type="text" value="0" size="4" name="coursetotal" /><input type="hidden" name="courselist" value="" />selected.<br />'."\n";
+    $output .= '<input type="radio" name="coursepick" value="specific" onclick="coursePick(this.form);opencrsbrowser('."'".$formname."','dccourse','dcdomain','coursedesc','','1','$crstype'".')" />'.$pickspec.' '.$courseform.'&nbsp;&nbsp;<input type="text" value="0" size="4" name="coursetotal" /><input type="hidden" name="courselist" value="" />selected.<br />'."\n";
     return $output;
 }
 
@@ -1831,18 +1952,21 @@ sub course_custom_roles {
 
 # topic_bar
 #
-# Generates a div containing a numbered (static image) followed by a title
-# with a background color defined in the corresponding CSS: LC_topic_bar
-#
+# Generates a div containing an (optional) number with a white background followed by a 
+# title with a background color defined in the corresponding CSS: LC_topic_bar
+# Inputs:
+# 1. number to display.
+#    If input for number is empty only the title will be displayed. 
+# 2. title text to display.
+# Outputs - a scalar containing html mark-up for the div.
+
 sub topic_bar {
-    my ($imgnum,$title) = @_;
-    return '
-<div class="LC_topic_bar">
-    <img alt="'.&mt('Step [_1]',$imgnum).
-              ' "src="/res/adm/pages/bl_step'.$imgnum.'.gif" />&nbsp;
-    <span>'.$title.'</span>
-</div>
-';
+    my ($num,$title) = @_;
+    my $number = '';
+    if ($num ne '') {
+        $number = '<span>'.$num.'</span>';
+    }
+    return '<div class="LC_topic_bar">'.$number.$title.'</div>';
 }
 
 ##############################################
@@ -1977,7 +2101,7 @@ sub set_form_elements {
             $values{$name}[$i] =~ s/([\r\n\f]+)/\\n/g;
             $values{$name}[$i] =~ s/"/\\"/g;
         }
-        if ($$elements{$name} eq 'text') {
+        if (($$elements{$name} eq 'text') || ($$elements{$name} eq 'hidden')) {
             my $numvalues = @{$values{$name}};
             if ($numvalues > 1) {
                 my $valuestring = join('","',@{$values{$name}});
@@ -2012,6 +2136,8 @@ sub set_form_elements {
                     $output .= qq|
       if (courseForm.elements['$name'].value == "$value") {
           courseForm.elements['$name'].checked = true;
+      } else {
+          courseForm.elements['$name'].checked = false;
       }|;
                 }
             }
@@ -2053,6 +2179,7 @@ sub set_form_elements {
         }
     }
     $output .= "
+    return;
 }\n";
     return $output;
 }
@@ -2094,6 +2221,88 @@ END
     return $scripttag;
 }
 
+
+# USAGE: htmltag(element, content, {attribute => value,...});
+#
+# EXAMPLES: 
+#  - htmltag('a', 'this is an anchor', {href  => 'www.example.com', 
+#                                       title => 'this is a title'})
+#
+#  - You might want to set up needed tags like: 
+#
+#     my $h3  = sub { return htmltag( "h3",  @_ ) };
+#
+#    ... and use them: $h3->("This is a headline")
+#
+#  - To set up a couple of tags, see sub inittags
+#
+# NOTES:
+# - Empty elements, such as <br/> are correctly terminated, 
+#   i.e. htmltag('br') returns <br/> 
+# - Empty attributes (title="") are filtered out.
+# - The function will not check for deprecated attributes.
+#
+# OUTPUT: content enclosed in xhtml conform tags
+sub htmltag{
+    return
+        qq|<$_[0]|
+        . join( '', map { qq| $_="${$_[2]}{$_}"| if ${$_[2]}{$_} } keys %{ $_[2] } )
+        . ($_[1] ? qq|>$_[1]</$_[0]>| : qq|/>|). "\n";
+};
+
+
+# USAGE: inittags(@tags);
+#
+# EXAMPLES:
+#  - my ($h1, $h2, $h3) = initTags( qw( h1 h2 h3 ) )
+#    $h1->("This is a headline") #Returns: <h1>This is a headline</h1>
+#
+# NOTES: See sub htmltag for further information.
+#
+# OUTPUT: List of subroutines. 
+sub inittags {
+    my @tags = @_;
+    return map { my $tag = $_;
+                 sub { return htmltag( $tag, @_ ) }
+               } @tags;
+}
+
+
+# USAGE: scripttag(scriptcode, [start|end|both]);
+#
+# EXAMPLES: 
+#  - scripttag("alert('Hello World!')", 'both') 
+#    returns:
+#    <script type="text/javascript">
+#    // BEGIN LON-CAPA Internal
+#    alert(Hello World!')
+#    // END LON-CAPA Internal
+#    </script>
+#
+# NOTES:
+# - works currently only for javascripts
+#
+# OUTPUT: 
+# Scriptcode properly enclosed in <script> and CDATA tags (and LC
+# Internal markers if 2nd argument is given)
+sub scripttag {
+    my ( $content, $marker ) = @_;
+    return unless defined $content;
+
+    my $begin = "\n// BEGIN LON-CAPA Internal\n";
+    my $end   = "\n// END LON-CAPA Internal\n";
+
+    if ($marker) {
+        $content  = $begin . $content if $marker eq 'start' or $marker eq 'both';
+        $content .= $end              if $marker eq 'end'   or $marker eq 'both';
+    }
+
+    $content = "\n// <![CDATA[\n$content\n// ]]>\n";
+
+    return htmltag('script', $content, {type => 'text/javascript'});
+};
+
+
 ##############################################
 ##############################################
 
@@ -2131,23 +2340,8 @@ END
 # --------------------------
 sub generate_menu {
     my @menu = @_;
-
-    # usage: $wrap->(element, content, {attribute => value,...});
-    # output: content enclosed in html conform tags
-    my $wrap = sub {
-        return
-            qq|<$_[0]|
-          . join( '', map { qq| $_="${$_[2]}{$_}"| } keys %{ $_[2] } )
-          . ($_[1] ? qq|>$_[1]</$_[0]>| : qq|/>|). "\n";
-    };
-    
     # subs for specific html elements
-    my $h3  = sub { return $wrap->( "h3",  @_ ) };
-    my $div = sub { return $wrap->( "div", @_ ) };
-    my $ul  = sub { return $wrap->( "ul",  @_ ) };
-    my $li  = sub { return $wrap->( "li",  @_ ) };
-    my $a   = sub { return $wrap->( "a",   @_ ) };
-    my $img = sub { return $wrap->( "img", @_ ) };
+    my ($h3, $div, $ul, $li, $a, $img) = inittags( qw(h3 div ul li a img) ); 
     
     my @categories; # each element represents the entire markup for a category
    
@@ -2159,7 +2353,7 @@ sub generate_menu {
             # create the markup for the current $link and push it into @links.
             # each entry consists of an image and a text optionally followed 
             # by a help link.
-            push @links, $li->(
+            push(@links,$li->(
                         $a->(
                             $img->("", {
                                 class => "LC_noBorder LC_middle",
@@ -2177,7 +2371,7 @@ sub generate_menu {
                             }).
                          (defined($$link{help}) ? 
                          Apache::loncommon::help_open_topic($$link{help}) : ''),
-                         {class => "LC_menubuttons_inline_text"});
+                         {class => "LC_menubuttons_inline_text"}));
         }
 
         # wrap categorytitle in <h3>, concatenate with 
@@ -2187,16 +2381,113 @@ sub generate_menu {
         # such that each element looks like:
         # <div><h3>title</h3><ul><li>...</li>...</ul></div>
         # the category won't be added if there aren't any links
-        push @categories, 
+        push(@categories, 
             $div->($h3->(mt($$category{categorytitle}), {class=>"LC_hcell"}).
             $ul->(join('' ,@links),  {class =>"LC_ListStyleNormal" }),
-            {class=>"LC_ContentBoxSpecial LC_400Box"}) if scalar(@links);
+            {class=>"LC_Box LC_400Box"})) if scalar(@links);
     }
 
     # wrap the joined @categories in another <div> (column layout)
     return $div->(join('', @categories), {class => "LC_columnSection"});
 }
 
+##############################################
+##############################################
+
+=pod
+
+=item &start_funclist
+
+Start list of available functions
+
+Typically used to offer a simple list of available functions
+at top or bottom of page.
+All available functions/actions for the current page
+should be included in this list.
+
+If the optional headline text is not provided, a default text will be used.
+
+
+Related routines:
+=over 4
+add_item_funclist
+end_funclist
+=back
+
+
+Inputs: (optional) headline text
+
+Returns: HTML code with function list start
+
+=cut
+
+##############################################
+##############################################
+
+sub start_funclist {
+    my($legendtext)=@_;
+    $legendtext=&mt('Functions') if !$legendtext;
+    return '<ul class="LC_funclist"><li style="font-weight:bold; margin-left:0.8em;">'.$legendtext.'</li>'."\n";
+}
+
+
+##############################################
+##############################################
+
+=pod
+
+=item &add_item_funclist
+
+Adds an item to the list of available functions
+
+Related routines:
+=over 4
+start_funclist
+end_funclist
+=back
+
+Inputs: content item with text and link to function
+
+Returns: HTML code with list item for funclist
+
+=cut
+
+##############################################
+##############################################
+
+sub add_item_funclist {
+    my($content) = @_;
+    return '<li>'.$content.'</li>'."\n";
+}
+
+##############################################
+##############################################
+
+=pod
+
+=item &end_funclist
+
+End list of available functions
+
+Related routines:
+=over 4
+start_funclist
+add_item_funclist
+=back
+
+Inputs: ./.
+
+Returns: HTML code with function list end
+
+=cut
+
+##############################################
+##############################################
+
+sub end_funclist {
+    return "</ul>\n";
+}
+
 1;
 
 __END__