--- loncom/interface/loncommon.pm	2006/11/21 21:38:44	1.472
+++ loncom/interface/loncommon.pm	2007/10/31 18:01:47	1.604
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.472 2006/11/21 21:38:44 raeburn Exp $
+# $Id: loncommon.pm,v 1.604 2007/10/31 18:01:47 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -59,16 +59,21 @@ use Apache::lonnet;
 use GDBM_File;
 use POSIX qw(strftime mktime);
 use Apache::lonmenu();
+use Apache::lonenc();
 use Apache::lonlocal;
 use HTML::Entities;
 use Apache::lonhtmlcommon();
 use Apache::loncoursedata();
 use Apache::lontexconvert();
 use Apache::lonclonecourse();
-use LONCAPA;
+use LONCAPA qw(:DEFAULT :match);
+
+# ---------------------------------------------- Designs
+use vars qw(%defaultdesign);
 
 my $readit;
 
+
 ##
 ## Global Variables
 ##
@@ -81,10 +86,6 @@ my %scprtag;
 my %fe; my %fd; my %fm;
 my %category_extensions;
 
-# ---------------------------------------------- Designs
-
-my %designhash;
-
 # ---------------------------------------------- Thesaurus variables
 #
 # %Keywords:
@@ -150,30 +151,18 @@ BEGIN {
         }
     }
 
-# -------------------------------------------------------------- domain designs
-
-    my $filename;
+# -------------------------------------------------------------- default domain designs
     my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
-    opendir(DIR,$designdir);
-    while ($filename=readdir(DIR)) {
-	if ($filename!~/\.tab$/) { next; }
-	my ($domain)=($filename=~/^(\w+)\./);
-	{
-	    my $designfile = $designdir.'/'.$filename;
-	    if ( open (my $fh,"<$designfile") ) {
-		while (my $line = <$fh>) {
-		    next if ($line =~ /^\#/);
-		    chomp($line);
-		    my ($key,$val)=(split(/\=/,$line));
-		    if ($val) { $designhash{$domain.'.'.$key}=$val; }
-		}
-		close($fh);
-	    }
-	}
-
+    my $designfile = $designdir.'/default.tab';
+    if ( open (my $fh,"<$designfile") ) {
+        while (my $line = <$fh>) {
+            next if ($line =~ /^\#/);
+            chomp($line);
+            my ($key,$val)=(split(/\=/,$line));
+            if ($val) { $defaultdesign{$key}=$val; }
+        }
+        close($fh);
     }
-    closedir(DIR);
-
 
 # ------------------------------------------------------------- file categories
     {
@@ -345,10 +334,12 @@ sub studentbrowser_javascript {
    return (<<'ENDSTDBRW');
 <script type="text/javascript" language="Javascript" >
     var stdeditbrowser;
-    function openstdbrowser(formname,uname,udom,roleflag) {
+    function openstdbrowser(formname,uname,udom,roleflag,ignorefilter) {
         var url = '/adm/pickstudent?';
         var filter;
-        eval('filter=document.'+formname+'.'+uname+'.value;');
+	if (!ignorefilter) {
+	    eval('filter=document.'+formname+'.'+uname+'.value;');
+	}
         if (filter != null) {
            if (filter != '') {
                url += 'filter='+filter+'&';
@@ -376,7 +367,7 @@ sub selectstudent_link {
 	   return '';
        }
        return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.
-        '","'.$udomele.'");'."'>".&mt('Select User')."</a>";
+        '","'.$udomele.'","","1");'."'>".&mt('Select User')."</a>";
    }
    if ($env{'request.role'}=~/^(au|dc|su)/) {
        return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.
@@ -389,7 +380,7 @@ sub coursebrowser_javascript {
     my ($domainfilter,$sec_element,$formname)=@_;
     my $crs_or_grp_alert = &mt('Please select the type of LON-CAPA entity - Course or Group - for which you wish to add/modify a user role');
    my $output = '
-<script type="text/javascript" language="Javascript" >
+<script type="text/javascript">
     var stdeditbrowser;'."\n";
    $output .= <<"ENDSTDBRW";
     function opencrsbrowser(formname,uname,udom,desc,extra_element,multflag,crstype) {
@@ -416,7 +407,7 @@ sub coursebrowser_javascript {
 	                            '&cdomelement='+udom+
                                     '&cnameelement='+desc;
         if (extra_element !=null && extra_element != '') {
-            if (formname == 'rolechoice') {
+            if (formname == 'rolechoice' || formname == 'studentform') {
                 url += '&roleelement='+extra_element;
                 if (domainfilter == null || domainfilter == '') {
                     url += '&domainfilter='+extra_element;
@@ -515,8 +506,8 @@ function setSect(sectionlist) {
 
 sub selectcourse_link {
    my ($form,$unameele,$udomele,$desc,$extra_element,$multflag,$selecttype)=@_;
-    return "<a href='".'javascript:opencrsbrowser("'.$form.'","'.$unameele.
-        '","'.$udomele.'","'.$desc.'","'.$extra_element.'","'.$multflag.'","'.$selecttype.'");'."'>".&mt('Select [_1]',$selecttype)."</a>";
+   return "<a href='".'javascript:opencrsbrowser("'.$form.'","'.$unameele.
+        '","'.$udomele.'","'.$desc.'","'.$extra_element.'","'.$multflag.'","'.$selecttype.'");'."'>".&mt('Select Course')."</a>";
 }
 
 sub check_uncheck_jscript {
@@ -535,7 +526,8 @@ function uncheckAll(field) {
     if (field.length > 0) {
         for (i = 0; i < field.length; i++) {
             field[i].checked = false ;
-        }     } else {
+        }
+    } else {
         field.checked = false ;
     }
 }
@@ -719,8 +711,7 @@ sub help_open_topic {
     my ($topic, $text, $stayOnPage, $width, $height) = @_;
     $text = "" if (not defined $text);
     $stayOnPage = 0 if (not defined $stayOnPage);
-    if ($env{'browser.interface'} eq 'textual' ||
-	$env{'environment.remote'} eq 'off' ) {
+    if ($env{'browser.interface'} eq 'textual') {
 	$stayOnPage=1;
     }
     $width = 350 if (not defined $width);
@@ -730,24 +721,20 @@ sub help_open_topic {
 
     my $template = "";
     my $link;
-
+    
     $topic=~s/\W/\_/g;
 
-    if (!$stayOnPage)
-    {
+    if (!$stayOnPage) {
 	$link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
-    }
-    else
-    {
+    } else {
 	$link = "/adm/help/${filename}.hlp";
     }
 
     # Add the text
-    if ($text ne "")
-    {
+    if ($text ne "") {
 	$template .= 
-  "<table bgcolor='#3333AA' cellspacing='1' cellpadding='1' border='0'><tr>".
-  "<td bgcolor='#5555FF'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
+            "<table bgcolor='#3333AA' cellspacing='1' cellpadding='1' border='0'><tr>".
+            "<td bgcolor='#5555FF'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
     }
 
     # Add the graphic
@@ -812,12 +799,13 @@ ENDOUTPUT
 # 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) 
-	= @_;
-    
+	= @_;    
     $stayOnPage = 0 if (not defined $stayOnPage);
+    # only use pop-up help (stayOnPage == 0)
+    # if environment.remote is on (using remote control UI)
     if ($env{'browser.interface'} eq 'textual' ||
-	$env{'environment.remote'} eq 'off' ) {
-	$stayOnPage=1;
+    	$env{'environment.remote'} eq 'off' ) {
+        $stayOnPage=1;
     }
     my $output;
     if ($component_help) {
@@ -838,15 +826,13 @@ sub help_open_menu {
 
 sub top_nav_help {
     my ($text) = @_;
-
     $text = &mt($text);
-
-    my $stayOnPage = 
+    my $stay_on_page = 
 	($env{'browser.interface'}  eq 'textual' ||
 	 $env{'environment.remote'} eq 'off' );
-    my $link=  ($stayOnPage) ? "javascript:helpMenu('display')"
+    my $link = ($stay_on_page) ? "javascript:helpMenu('display')"
 	                     : "javascript:helpMenu('open')";
-    my $banner_link = &update_help_link(undef,undef,undef,undef,$stayOnPage);
+    my $banner_link = &update_help_link(undef,undef,undef,undef,$stay_on_page);
 
     my $title = &mt('Get help');
 
@@ -874,7 +860,7 @@ sub help_menu_js {
 					'js_ready'    => 1,
 					'add_entries' => {
 					    'border' => '0',
-					    'rows'   => "105,*",},});
+					    'rows'   => "110,*",},});
     my $end_page =
         &Apache::loncommon::end_page({'frameset' => 1,
 				      'js_ready' => 1,});
@@ -1088,8 +1074,140 @@ sub changable_area {
 
 =pod
 
-=back
+=item * viewport_geometry_js {
+
+Provides javascript object (Geometry) which can provide information about the viewport geometry for the client browser.
+
+=cut
+
+
+sub viewport_geometry_js { 
+    return <<"GEOMETRY";
+var Geometry = {};
+function init_geometry() {
+    if (Geometry.init) { return };
+    Geometry.init=1;
+    if (window.innerHeight) {
+        Geometry.getViewportHeight   = function() { return window.innerHeight; };
+        Geometry.getViewportWidth   = function() { return window.innerWidth; };
+        Geometry.getHorizontalScroll = function() { return window.pageXOffset; };
+        Geometry.getVerticalScroll   = function() { return window.pageYOffset; };
+    }
+    else if (document.documentElement && document.documentElement.clientHeight) {
+        Geometry.getViewportHeight =
+            function() { return document.documentElement.clientHeight; };
+        Geometry.getViewportWidth =
+            function() { return document.documentElement.clientWidth; };
+
+        Geometry.getHorizontalScroll =
+            function() { return document.documentElement.scrollLeft; };
+        Geometry.getVerticalScroll =
+            function() { return document.documentElement.scrollTop; };
+    }
+    else if (document.body.clientHeight) {
+        Geometry.getViewportHeight =
+            function() { return document.body.clientHeight; };
+        Geometry.getViewportWidth =
+            function() { return document.body.clientWidth; };
+        Geometry.getHorizontalScroll =
+            function() { return document.body.scrollLeft; };
+        Geometry.getVerticalScroll =
+            function() { return document.body.scrollTop; };
+    }
+}
+
+GEOMETRY
+}
+
+=pod
+
+=item * viewport_size_js {
+
+Provides a javascript function to set values of two form elements - width and height (elements are passed in as arguments to the javascript function) to the dimensions of the user's browser window. 
 
+=cut
+
+sub viewport_size_js {
+    my $geometry = &viewport_geometry_js();
+    return <<"DIMS";
+
+$geometry
+
+function getViewportDims(width,height) {
+    init_geometry();
+    width.value = Geometry.getViewportWidth();
+    height.value = Geometry.getViewportHeight();
+    return;
+}
+
+DIMS
+}
+
+=pod
+
+=item * resize_textarea_js
+
+emits the needed javascript to resize a textarea to be as big as possible
+
+creates a function resize_textrea that takes two IDs first should be
+the id of the element to resize, second should be the id of a div that
+surrounds everything that comes after the textarea, this routine needs
+to be attached to the <body> for the onload and onresize events.
+
+
+=cut
+
+sub resize_textarea_js {
+    my $geometry = &viewport_geometry_js();
+    return <<"RESIZE";
+    <script type="text/javascript">
+$geometry
+
+function getX(element) {
+    var x = 0;
+    while (element) {
+	x += element.offsetLeft;
+	element = element.offsetParent;
+    }
+    return x;
+}
+function getY(element) {
+    var y = 0;
+    while (element) {
+	y += element.offsetTop;
+	element = element.offsetParent;
+    }
+    return y;
+}
+
+
+function resize_textarea(textarea_id,bottom_id) {
+    init_geometry();
+    var textarea        = document.getElementById(textarea_id);
+    //alert(textarea);
+
+    var textarea_top    = getY(textarea);
+    var textarea_height = textarea.offsetHeight;
+    var bottom          = document.getElementById(bottom_id);
+    var bottom_top      = getY(bottom);
+    var bottom_height   = bottom.offsetHeight;
+    var window_height   = Geometry.getViewportHeight();
+    var fudge           = 23;
+    var new_height      = window_height-fudge-textarea_top-bottom_height;
+    if (new_height < 300) {
+	new_height = 300;
+    }
+    textarea.style.height=new_height+'px';
+}
+</script>
+RESIZE
+
+}
+
+=pod
+
+=back
+ 
 =head1 Excel and CSV file utility routines
 
 =over 4
@@ -1223,7 +1341,7 @@ sub create_workbook {
 
 =item * create_text_file
 
-Create a file to write to and eventually make available to the usre.
+Create a file to write to and eventually make available to the user.
 If file creation fails, outputs an error message on the request object and 
 return undefs.
 
@@ -1264,41 +1382,19 @@ sub create_text_file {
 ##        Home server <option> list generating code          ##
 ###############################################################
 
-=pod
-
-=head1 Home Server option list generating code
-
-=over 4
-
-=item * get_domains()
-
-Returns an array containing each of the domains listed in the hosts.tab
-file.
-
-=cut
-
-#-------------------------------------------
-sub get_domains {
-    # The code below was stolen from "The Perl Cookbook", p 102, 1st ed.
-    my @domains;
-    my %seen;
-    foreach my $dom (sort(values(%Apache::lonnet::hostdom))) {
-	push(@domains,$dom) unless $seen{$dom}++;
-    }
-    return @domains;
-}
-
 # ------------------------------------------
 
 sub domain_select {
     my ($name,$value,$multiple)=@_;
     my %domains=map { 
-	$_ => $_.' '.$Apache::lonnet::domaindescription{$_} 
-    } &get_domains;
+	$_ => $_.' '. &Apache::lonnet::domain($_,'description') 
+    } &Apache::lonnet::all_domains();
     if ($multiple) {
 	$domains{''}=&mt('Any domain');
+	$domains{'select_form_order'} = [sort {lc($a) cmp lc($b) } (keys(%domains))];
 	return &multiple_select_form($name,$value,4,\%domains);
     } else {
+	$domains{'select_form_order'} = [sort {lc($a) cmp lc($b) } (keys(%domains))];
 	return &select_form($name,$value,%domains);
     }
 }
@@ -1307,6 +1403,10 @@ sub domain_select {
 
 =pod
 
+=head1 Routines for form select boxes
+
+=over 4
+
 =item * multiple_select_form($name,$value,$size,$hash,$order)
 
 Returns a string containing a <select> element int multiple mode
@@ -1314,11 +1414,11 @@ Returns a string containing a <select> e
 
 Args:
   $name - name of the <select> element
-  $value - sclara or array ref of values that should already be selected
+  $value - scalar or array ref of values that should already be selected
   $size - number of rows long the select element is
   $hash - the elements should be 'option' => 'shown text'
           (shown text should already have been &mt())
-  $order - (optional) array ref of the order to show the elments in
+  $order - (optional) array ref of the order to show the elements in
 
 =cut
 
@@ -1334,8 +1434,16 @@ sub multiple_select_form {
         }
     }
     $output.="\n<select name='$name' size='$size' multiple='1'>";
-    my @order = ref($order) ? @$order
-                            : sort(keys(%$hash));
+    my @order;
+    if (ref($order) eq 'ARRAY')  {
+        @order = @{$order};
+    } else {
+        @order = sort(keys(%$hash));
+    }
+    if (exists($$hash{'select_form_order'})) {
+        @order = @{$$hash{'select_form_order'}};
+    }
+        
     foreach my $key (@order) {
         $output.='<option value="'.&HTML::Entities::encode($key,'"<>&').'" ';
         $output.='selected="selected" ' if ($selected{$key});
@@ -1377,6 +1485,24 @@ sub select_form {
     return $selectform;
 }
 
+# For display filters
+
+sub display_filter {
+    if (!$env{'form.show'}) { $env{'form.show'}=10; }
+    if (!$env{'form.displayfilter'}) { $env{'form.displayfilter'}='currentfolder'; }
+    return '<nobr><label>'.&mt('Records [_1]',
+			       &Apache::lonmeta::selectbox('show',$env{'form.show'},undef,
+							   (&mt('all'),10,20,50,100,1000,10000))).
+	   '</label></nobr> <nobr>'.
+           &mt('Filter [_1]',
+	   &select_form($env{'form.displayfilter'},
+			'displayfilter',
+			('currentfolder' => 'Current folder/page',
+			 'containing' => 'Containing phrase',
+			 'none' => 'None'))).
+			 '<input type="text" name="containingphrase" size="30" value="'.&HTML::Entities::encode($env{'form.containingphrase'}).'" /></nobr>';
+}
+
 sub gradeleveldescription {
     my $gradelevel=shift;
     my %gradelevels=(0 => 'Not specified',
@@ -1418,7 +1544,7 @@ sub select_level_form {
 
 =pod
 
-=item * select_dom_form($defdom,$name,$includeempty)
+=item * select_dom_form($defdom,$name,$includeempty,$showdomdesc)
 
 Returns a string containing a <select name='$name' size='1'> form to 
 allow a user to select the domain to preform an operation in.  
@@ -1427,18 +1553,28 @@ See loncreateuser.pm for an example invo
 If the $includeempty flag is set, it also includes an empty choice ("no domain
 selected");
 
+If the $showdomdesc flag is set, the domain name is followed by the domain description. 
+
 =cut
 
 #-------------------------------------------
 sub select_dom_form {
-    my ($defdom,$name,$includeempty) = @_;
-    my @domains = get_domains();
+    my ($defdom,$name,$includeempty,$showdomdesc) = @_;
+    my @domains = sort {lc($a) cmp lc($b)} (&Apache::lonnet::all_domains());
     if ($includeempty) { @domains=('',@domains); }
     my $selectdomain = "<select name=\"$name\" size=\"1\">\n";
     foreach my $dom (@domains) {
         $selectdomain.="<option value=\"$dom\" ".
-            ($dom eq $defdom ? 'selected="selected" ' : '').
-                ">$dom</option>\n";
+            ($dom eq $defdom ? 'selected="selected" ' : '').'>'.$dom;
+        if ($showdomdesc) {
+            if ($dom ne '') {
+                my $domdesc = &Apache::lonnet::domain($dom,'description');
+                if ($domdesc ne '') {
+                    $selectdomain .= ' ('.$domdesc.')';
+                }
+            } 
+        }
+        $selectdomain .= "</option>\n";
     }
     $selectdomain.="</select>";
     return $selectdomain;
@@ -1448,53 +1584,73 @@ sub select_dom_form {
 
 =pod
 
-=item * get_library_servers($domain)
+=item * home_server_form_item($domain,$name,$defaultflag)
 
-Returns a hash which contains keys like '103l3' and values like 
-'kirk.lite.msu.edu'.  All of the keys will be for machines in the
-given $domain.
+input: 4 arguments (two required, two optional) - 
+    $domain - domain of new user
+    $name - name of form element
+    $default - Value of 'default' causes a default item to be first 
+                            option, and selected by default. 
+    $hide - Value of 'hide' causes hiding of the name of the server, 
+                            if 1 server found, or default, if 0 found.
+output: returns 2 items: 
+(a) form element which contains either:
+   (i) <select name="$name">
+        <option value="$hostid1">$hostid $servers{$hostid}</option>
+        <option value="$hostid2">$hostid $servers{$hostid}</option>       
+       </select>
+       form item if there are multiple library servers in $domain, or
+   (ii) an <input type="hidden" name="$name" value="$hostid" /> form item 
+       if there is only one library server in $domain.
 
-=cut
+(b) number of library servers found.
 
-#-------------------------------------------
-sub get_library_servers {
-    my $domain = shift;
-    my %library_servers;
-    foreach my $hostid (keys(%Apache::lonnet::libserv)) {
-        if ($Apache::lonnet::hostdom{$hostid} eq $domain) {
-            $library_servers{$hostid} = $Apache::lonnet::hostname{$hostid};
-        }
-    }
-    return %library_servers;
-}
-
-#-------------------------------------------
-
-=pod
-
-=item * home_server_option_list($domain)
-
-returns a string which contains an <option> list to be used in a 
-<select> form input.  See loncreateuser.pm for an example.
+See loncreateuser.pm for example of use.
 
 =cut
 
 #-------------------------------------------
-sub home_server_option_list {
-    my $domain = shift;
-    my %servers = &get_library_servers($domain);
-    my $result = '';
-    foreach my $hostid (sort(keys(%servers))) {
-        $result.=
-            '<option value="'.$hostid.'">'.
-	    $hostid.' '.$servers{$hostid}."</option>\n";
+sub home_server_form_item {
+    my ($domain,$name,$default,$hide) = @_;
+    my %servers = &Apache::lonnet::get_servers($domain,'library');
+    my $result;
+    my $numlib = keys(%servers);
+    if ($numlib > 1) {
+        $result .= '<select name="'.$name.'" />'."\n";
+        if ($default) {
+            $result .= '<option value="default" selected>'.&mt('default').
+                       '</option>'."\n";
+        }
+        foreach my $hostid (sort(keys(%servers))) {
+            $result.= '<option value="'.$hostid.'">'.
+	              $hostid.' '.$servers{$hostid}."</option>\n";
+        }
+        $result .= '</select>'."\n";
+    } elsif ($numlib == 1) {
+        my $hostid;
+        foreach my $item (keys(%servers)) {
+            $hostid = $item;
+        }
+        $result .= '<input type="hidden" name="'.$name.'" value="'.
+                   $hostid.'" />';
+                   if (!$hide) {
+                       $result .= $hostid.' '.$servers{$hostid};
+                   }
+                   $result .= "\n";
+    } elsif ($default) {
+        $result .= '<input type="hidden" name="'.$name.
+                   '" value="default" />';
+                   if (!$hide) {
+                       $result .= &mt('default');
+                   }
+                   $result .= "\n";
     }
-    return $result;
+    return ($result,$numlib);
 }
 
 =pod
 
-=back
+=back 
 
 =cut
 
@@ -1642,19 +1798,16 @@ END
     }
 
     my $radioval = "'nochange'";
-    if (exists($in{'curr_authtype'}) &&
-        defined($in{'curr_authtype'}) &&
-        $in{'curr_authtype'} ne '') {
-        $radioval = "'$in{'curr_authtype'}arg'";
+    if (defined($in{'curr_authtype'})) {
+        if ($in{'curr_authtype'} ne '') {
+            $radioval = "'".$in{'curr_authtype'}."arg'";
+        }
     }
     my $argfield = 'null';
-    if ( grep/^mode$/,(keys %in) ) {
+    if (defined($in{'mode'})) {
         if ($in{'mode'} eq 'modifycourse')  {
-            if ( grep/^curr_authtype$/,(keys %in) ) {
-                $radioval = "'$in{'curr_authtype'}'";
-            }
-            if ( grep/^curr_autharg$/,(keys %in) ) {
-                unless ($in{'curr_autharg'} eq '') {
+            if (defined($in{'curr_autharg'})) {
+                if ($in{'curr_autharg'} ne '') {
                     $argfield = "'$in{'curr_autharg'}'";
                 }
             }
@@ -1737,79 +1890,170 @@ sub authform_nochange{
               kerb_def_dom => 'MSU.EDU',
               @_,
           );
-    my $result = '<label>'.&mt('[_1] Do not change login data',
-                     '<input type="radio" name="login" value="nochange" '.
-                     'checked="checked" onclick="'.
+    my ($authnum,%can_assign) =  &get_assignable_auth($in{'domain'}); 
+    my $result;
+    if (keys(%can_assign) == 0) {
+        $result = &mt('Under you current role you are not permitted to change login settings for this user');  
+    } else {
+        $result = '<label>'.&mt('[_1] Do not change login data',
+                  '<input type="radio" name="login" value="nochange" '.
+                  'checked="checked" onclick="'.
             "javascript:changed_radio('nochange',$in{'formname'});".'" />').
 	    '</label>';
+    }
     return $result;
 }
 
-sub authform_kerberos{  
+sub authform_kerberos {
     my %in = (
               formname => 'document.cu',
               kerb_def_dom => 'MSU.EDU',
               kerb_def_auth => 'krb4',
               @_,
               );
-    my ($check4,$check5,$krbarg);
+    my ($check4,$check5,$krbcheck,$krbarg,$krbver,$result,$authtype,
+        $autharg,$jscall);
+    my ($authnum,%can_assign) =  &get_assignable_auth($in{'domain'});
     if ($in{'kerb_def_auth'} eq 'krb5') {
-       $check5 = " checked=\"on\"";
+       $check5 = ' checked="on"';
     } else {
-       $check4 = " checked=\"on\"";
+       $check4 = ' checked="on"';
     }
     $krbarg = $in{'kerb_def_dom'};
-
-    my $krbcheck = "";
-    if ( grep/^curr_authtype$/,(keys %in) ) {
-        if ($in{'curr_authtype'} =~ m/^krb/) {
-            $krbcheck = " checked=\"on\"";
-            if ( grep/^curr_autharg$/,(keys %in) ) {
+    if (defined($in{'curr_authtype'})) {
+        if ($in{'curr_authtype'} eq 'krb') {
+            $krbcheck = ' checked="on"';
+            if (defined($in{'curr_kerb_ver'})) {
+                if ($in{'curr_krb_ver'} eq '5') {
+                    $check5 = ' checked="on"';
+                    $check4 = '';
+                } else {
+                    $check4 = ' checked="on"';
+                    $check5 = '';
+                }
+            }
+            if (defined($in{'curr_autharg'})) {
                 $krbarg = $in{'curr_autharg'};
             }
+            if (!$can_assign{'krb4'} && !$can_assign{'krb5'}) {
+                if (defined($in{'curr_autharg'})) {
+                    $result = 
+    &mt('Currently Kerberos authenticated with domain [_1] Version [_2].',
+        $in{'curr_autharg'},$krbver);
+                } else {
+                    $result =
+    &mt('Currently Kerberos authenticated, Version [_1].',$krbver);
+                }
+                return $result; 
+            }
+        }
+    } else {
+        if ($authnum == 1) {
+            $authtype = '<input type="hidden" name="login" value="krb">';
+        }
+    }
+    if (!$can_assign{'krb4'} && !$can_assign{'krb5'}) {
+        return;
+    } elsif ($authtype eq '') {
+        if (defined($in{'mode'})) {
+            if ($in{'mode'} eq 'modifycourse') {
+                if ($authnum == 1) {
+                    $authtype = '<input type="hidden" name="login" value="krb">';
+                }
+            }
         }
     }
-
-    my $jscall = "javascript:changed_radio('krb',$in{'formname'});";
-    my $result .= &mt
+    $jscall = "javascript:changed_radio('krb',$in{'formname'});";
+    if ($authtype eq '') {
+        $authtype = '<input type="radio" name="login" value="krb" '.
+                    'onclick="'.$jscall.'" onchange="'.$jscall.'"'.
+                    $krbcheck.' />';
+    }
+    if (($can_assign{'krb4'} && $can_assign{'krb5'}) ||
+        ($can_assign{'krb4'} && !$can_assign{'krb5'} && 
+         $in{'curr_authtype'} eq 'krb5') ||
+        (!$can_assign{'krb4'} && $can_assign{'krb5'} && 
+         $in{'curr_authtype'} eq 'krb4')) {
+        $result .= &mt
         ('[_1] Kerberos authenticated with domain [_2] '.
          '[_3] Version 4 [_4] Version 5 [_5]',
-         '<label><input type="radio" name="login" value="krb" '.
-             'onclick="'.$jscall.'" onchange="'.$jscall.'"'.$krbcheck.' />',
+         '<label>'.$authtype,
          '</label><input type="text" size="10" name="krbarg" '.
              'value="'.$krbarg.'" '.
              'onchange="'.$jscall.'" />',
          '<label><input type="radio" name="krbver" value="4" '.$check4.' />',
          '</label><label><input type="radio" name="krbver" value="5" '.$check5.' />',
 	 '</label>');
+    } elsif ($can_assign{'krb4'}) {
+        $result .= &mt
+        ('[_1] Kerberos authenticated with domain [_2] '.
+         '[_3] Version 4 [_4]',
+         '<label>'.$authtype,
+         '</label><input type="text" size="10" name="krbarg" '.
+             'value="'.$krbarg.'" '.
+             'onchange="'.$jscall.'" />',
+         '<label><input type="hidden" name="krbver" value="4" />',
+         '</label>');
+    } elsif ($can_assign{'krb5'}) {
+        $result .= &mt
+        ('[_1] Kerberos authenticated with domain [_2] '.
+         '[_3] Version 5 [_4]',
+         '<label>'.$authtype,
+         '</label><input type="text" size="10" name="krbarg" '.
+             'value="'.$krbarg.'" '.
+             'onchange="'.$jscall.'" />',
+         '<label><input type="hidden" name="krbver" value="5" />',
+         '</label>');
+    }
     return $result;
 }
 
 sub authform_internal{  
-    my %args = (
+    my %in = (
                 formname => 'document.cu',
                 kerb_def_dom => 'MSU.EDU',
                 @_,
                 );
-
-    my $intcheck = "";
-    my $intarg = 'value=""';
-    if ( grep/^curr_authtype$/,(keys %args) ) {
-        if ($args{'curr_authtype'} eq 'int') {
-            $intcheck = " checked=\"on\"";
-            if ( grep/^curr_autharg$/,(keys %args) ) {
-                $intarg = "value=\"$args{'curr_autharg'}\"";
+    my ($intcheck,$intarg,$result,$authtype,$autharg,$jscall);
+    my ($authnum,%can_assign) =  &get_assignable_auth($in{'domain'});
+    if (defined($in{'curr_authtype'})) {
+        if ($in{'curr_authtype'} eq 'int') {
+            if ($can_assign{'int'}) {
+                $intcheck = 'checked="on" ';
+                if (defined($in{'curr_autharg'})) {
+                    $intarg = $in{'curr_autharg'};
+                }
+            } else {
+                $result = &mt('Currently internally authenticated.');
+                return $result;
+            }
+        }
+    } else {
+        if ($authnum == 1) {
+            $authtype = '<input type="hidden" name="login" value="int">';
+        }
+    }
+    if (!$can_assign{'int'}) {
+        return;
+    } elsif ($authtype eq '') {
+        if (defined($in{'mode'})) {
+            if ($in{'mode'} eq 'modifycourse') {
+                if ($authnum == 1) {
+                    $authtype = '<input type="hidden" name="login" value="int">';
+                }
             }
         }
     }
-
-    my $jscall = "javascript:changed_radio('int',$args{'formname'});";
-    my $result.=&mt
+    $jscall = "javascript:changed_radio('int',$in{'formname'});";
+    if ($authtype eq '') {
+        $authtype = '<input type="radio" name="login" value="int" '.$intcheck.
+                    ' onchange="'.$jscall.'" onclick="'.$jscall.'" />';
+    }
+    $autharg = '<input type="text" size="10" name="intarg" value="'.
+               $intarg.'" onchange="'.$jscall.'" />';
+    $result = &mt
         ('[_1] Internally authenticated (with initial password [_2])',
-         '<label><input type="radio" name="login" value="int" '.$intcheck.
-             ' onchange="'.$jscall.'" onclick="'.$jscall.'" />',
-         '</label><input type="text" size="10" name="intarg" '.$intarg.
-             ' onchange="'.$jscall.'" />');
+         '<label>'.$authtype,'</label>'.$autharg);
     return $result;
 }
 
@@ -1819,24 +2063,46 @@ sub authform_local{
               kerb_def_dom => 'MSU.EDU',
               @_,
               );
-
-    my $loccheck = "";
-    my $locarg = 'value=""';
-    if ( grep/^curr_authtype$/,(keys %in) ) {
+    my ($loccheck,$locarg,$result,$authtype,$autharg,$jscall);
+    my ($authnum,%can_assign) =  &get_assignable_auth($in{'domain'});
+    if (defined($in{'curr_authtype'})) {
         if ($in{'curr_authtype'} eq 'loc') {
-            $loccheck = " checked=\"on\"";
-            if ( grep/^curr_autharg$/,(keys %in) ) {
-                $locarg = "value=\"$in{'curr_autharg'}\"";
+            if ($can_assign{'loc'}) {
+                $loccheck = 'checked="on" ';
+                if (defined($in{'curr_autharg'})) {
+                    $locarg = $in{'curr_autharg'};
+                }
+            } else {
+                $result = &mt('Currently using local (institutional) authentication.');
+                return $result;
             }
         }
+    } else {
+        if ($authnum == 1) {
+            $authtype = '<input type="hidden" name="login" value="loc">';
+        }
     }
-
-    my $jscall = "javascript:changed_radio('loc',$in{'formname'});";
-    my $result.=&mt('[_1] Local Authentication with argument [_2]',
-                    '<label><input type="radio" name="login" value="loc" '.$loccheck.
-                        ' onchange="'.$jscall.'" onclick="'.$jscall.'" />',
-                    '</label><input type="text" size="10" name="locarg" '.$locarg.
-                        ' onchange="'.$jscall.'" />');
+    if (!$can_assign{'loc'}) {
+        return;
+    } elsif ($authtype eq '') {
+        if (defined($in{'mode'})) {
+            if ($in{'mode'} eq 'modifycourse') {
+                if ($authnum == 1) {
+                    $authtype = '<input type="hidden" name="login" value="loc">';
+                }
+            }
+        }
+    }
+    $jscall = "javascript:changed_radio('loc',$in{'formname'});";
+    if ($authtype eq '') {
+        $authtype = '<input type="radio" name="login" value="loc" '.
+                    $loccheck.' onchange="'.$jscall.'" onclick="'.
+                    $jscall.'" />';
+    }
+    $autharg = '<input type="text" size="10" name="locarg" value="'.
+               $locarg.'" onchange="'.$jscall.'" />';
+    $result = &mt('[_1] Local Authentication with argument [_2]',
+                  '<label>'.$authtype,'</label>'.$autharg);
     return $result;
 }
 
@@ -1846,16 +2112,92 @@ sub authform_filesystem{
               kerb_def_dom => 'MSU.EDU',
               @_,
               );
-    my $jscall = "javascript:changed_radio('fsys',$in{'formname'});";
-    my $result.= &mt
+    my ($fsyscheck,$result,$authtype,$autharg,$jscall);
+    my ($authnum,%can_assign) =  &get_assignable_auth($in{'domain'});
+    if (defined($in{'curr_authtype'})) {
+        if ($in{'curr_authtype'} eq 'fsys') {
+            if ($can_assign{'fsys'}) {
+                $fsyscheck = 'checked="on" ';
+            } else {
+                $result = &mt('Currently Filesystem Authenticated.');
+                return $result;
+            }           
+        }
+    } else {
+        if ($authnum == 1) {
+            $authtype = '<input type="hidden" name="login" value="fsys">';
+        }
+    }
+    if (!$can_assign{'fsys'}) {
+        return;
+    } elsif ($authtype eq '') {
+        if (defined($in{'mode'})) {
+            if ($in{'mode'} eq 'modifycourse') {
+                if ($authnum == 1) {
+                    $authtype = '<input type="hidden" name="login" value="fsys">';
+                }
+            }
+        }
+    }
+    $jscall = "javascript:changed_radio('fsys',$in{'formname'});";
+    if ($authtype eq '') {
+        $authtype = '<input type="radio" name="login" value="fsys" '.
+                    $fsyscheck.' onchange="'.$jscall.'" onclick="'.
+                    $jscall.'" />';
+    }
+    $autharg = '<input type="text" size="10" name="fsysarg" value=""'.
+               ' onchange="'.$jscall.'" />';
+    $result = &mt
         ('[_1] Filesystem Authenticated (with initial password [_2])',
          '<label><input type="radio" name="login" value="fsys" '.
-         'onchange="'.$jscall.'" onclick="'.$jscall.'" />',
+         $fsyscheck.'onchange="'.$jscall.'" onclick="'.$jscall.'" />',
          '</label><input type="text" size="10" name="fsysarg" value="" '.
                   'onchange="'.$jscall.'" />');
     return $result;
 }
 
+sub get_assignable_auth {
+    my ($dom) = @_;
+    if ($dom eq '') {
+        $dom = $env{'request.role.domain'};
+    }
+    my %can_assign = (
+                          krb4 => 1,
+                          krb5 => 1,
+                          int  => 1,
+                          loc  => 1,
+                     );
+    my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$dom);
+    if (ref($domconfig{'usercreation'}) eq 'HASH') {
+        if (ref($domconfig{'usercreation'}{'authtypes'}) eq 'HASH') {
+            my $authhash = $domconfig{'usercreation'}{'authtypes'};
+            my $context;
+            if ($env{'request.role'} =~ /^au/) {
+                $context = 'author';
+            } elsif ($env{'request.role'} =~ /^dc/) {
+                $context = 'domain';
+            } elsif ($env{'request.course.id'}) {
+                $context = 'course';
+            }
+            if ($context) {
+                if (ref($authhash->{$context}) eq 'HASH') {
+                   %can_assign = %{$authhash->{$context}}; 
+                }
+            }
+        }
+    }
+    my $authnum = 0;
+    foreach my $key (keys(%can_assign)) {
+        if ($can_assign{$key}) {
+            $authnum ++;
+        }
+    }
+    if ($can_assign{'krb4'} && $can_assign{'krb5'}) {
+        $authnum --;
+    }
+    return ($authnum,%can_assign);
+}
+
 ###############################################################
 ##    Get Authentication Defaults for Domain                 ##
 ###############################################################
@@ -1884,7 +2226,9 @@ If target_domain is not found in domain.
 #-------------------------------------------
 sub get_auth_defaults {
     my $domain=shift;
-    return ($Apache::lonnet::domain_auth_def{$domain},$Apache::lonnet::domain_auth_arg_def{$domain});
+    return (&Apache::lonnet::domain($domain,'auth_def'),
+	    &Apache::lonnet::domain($domain,'auth_arg_def'));
+	    
 }
 ###############################################################
 ##   End Get Authentication Defaults for Domain              ##
@@ -1979,7 +2323,7 @@ sub initialize_keywords {
     # Remove special values from %Keywords.
     foreach my $value ('total.count','average.count') {
         delete($Keywords{$value}) if (exists($Keywords{$value}));
-    }
+  }
     return 1;
 }
 
@@ -2079,6 +2423,7 @@ if $first is set to 'lastname' then it r
 ###############################################################
 sub plainname {
     my ($uname,$udom,$first)=@_;
+    return if (!defined($uname) || !defined($udom));
     my %names=&getnames($uname,$udom);
     my $name=&Apache::lonnet::format_name($names{'firstname'},
 					  $names{'middlename'},
@@ -2110,6 +2455,7 @@ if the user does not
 
 sub nickname {
     my ($uname,$udom)=@_;
+    return if (!defined($uname) || !defined($udom));
     my %names=&getnames($uname,$udom);
     my $name=$names{'nickname'};
     if ($name) {
@@ -2125,6 +2471,7 @@ sub nickname {
 
 sub getnames {
     my ($uname,$udom)=@_;
+    return if (!defined($uname) || !defined($udom));
     if ($udom eq 'public' && $uname eq 'public') {
 	return ('lastname' => &mt('Public'));
     }
@@ -2141,6 +2488,19 @@ sub getnames {
     }
 }
 
+# -------------------------------------------------------------------- getemails
+=pod
+
+=item * getemails($uname,$udom)
+
+Gets a user's email information and returns it as a hash with keys:
+notification, critnotification, permanentemail
+
+For notification and critnotification, values are comma-separated lists 
+of e-mail address(es); for permanentemail, value is a single e-mail address.
+ 
+=cut
+
 sub getemails {
     my ($uname,$udom)=@_;
     if ($udom eq 'public' && $uname eq 'public') {
@@ -2162,6 +2522,15 @@ sub getemails {
     }
 }
 
+sub flush_email_cache {
+    my ($uname,$udom)=@_;
+    if (!$udom)  { $udom =$env{'user.domain'}; }
+    if (!$uname) { $uname=$env{'user.name'};   }
+    return if ($udom eq 'public' && $uname eq 'public');
+    my $id=$uname.':'.$udom;
+    &Apache::lonnet::devalidate_cache_new('emailscache',$id);
+}
+
 # ------------------------------------------------------------------ Screenname
 
 =pod
@@ -2235,11 +2604,25 @@ sub track_student_link {
         $target = '';
     }
     if ($start) { $link.='&amp;start='.$start; }
-    
+    $title = &mt($title);
+    $linktext = &mt($linktext);
     return qq{<a href="$link" title="$title" $target>$linktext</a>}.
 	&help_open_topic('View_recent_activity');
 }
 
+# ===================================================== Display a student photo
+
+
+sub student_image_tag {
+    my ($domain,$user)=@_;
+    my $imgsrc=&Apache::lonnet::studentphoto($domain,$user,'jpg');
+    if (($imgsrc) && ($imgsrc ne '/adm/lonKaputt/lonlogo_broken.gif')) {
+	return '<img src="'.$imgsrc.'" align="right" />';
+    } else {
+	return '';
+    }
+}
+
 =pod
 
 =back
@@ -2451,36 +2834,66 @@ sub preferred_languages {
 	@languages=(@languages,
 		    split(/\s*(\,|\;|\:)\s*/,$env{'environment.languages'}));
     }
-    my $browser=(split(/\;/,$ENV{'HTTP_ACCEPT_LANGUAGE'}))[0];
+    my $browser=$ENV{'HTTP_ACCEPT_LANGUAGE'};
     if ($browser) {
-	@languages=(@languages,split(/\s*(\,|\;|\:)\s*/,$browser));
+	my @browser = 
+	    map { (split(/\s*;\s*/,$_))[0] } (split(/\s*,\s*/,$browser));
+	push(@languages,@browser);
     }
-    if ($Apache::lonnet::domain_lang_def{$env{'user.domain'}}) {
+    if (&Apache::lonnet::domain($env{'user.domain'},'lang_def')) {
 	@languages=(@languages,
-		$Apache::lonnet::domain_lang_def{$env{'user.domain'}});
+		    &Apache::lonnet::domain($env{'user.domain'},
+					    'lang_def'));
     }
-    if ($Apache::lonnet::domain_lang_def{$env{'request.role.domain'}}) {
+    if (&Apache::lonnet::domain($env{'request.role.domain'},'lang_def')) {
 	@languages=(@languages,
-		$Apache::lonnet::domain_lang_def{$env{'request.role.domain'}});
+		    &Apache::lonnet::domain($env{'request.role.domain'},
+					    'lang_def'));
     }
-    if ($Apache::lonnet::domain_lang_def{
-	                          $Apache::lonnet::perlvar{'lonDefDomain'}}) {
+    if (&Apache::lonnet::domain($Apache::lonnet::perlvar{'lonDefDomain'},
+				'lang_def')) {
 	@languages=(@languages,
-		$Apache::lonnet::domain_lang_def{
-                                  $Apache::lonnet::perlvar{'lonDefDomain'}});
+		    &Apache::lonnet::domain($Apache::lonnet::perlvar{'lonDefDomain'},
+					    'lang_def'));
     }
 # turn "en-ca" into "en-ca,en"
     my @genlanguages;
     foreach my $lang (@languages) {
 	unless ($lang=~/\w/) { next; }
-	push (@genlanguages,$lang);
+	push(@genlanguages,$lang);
 	if ($lang=~/(\-|\_)/) {
 	    push(@genlanguages,(split(/(\-|\_)/,$lang))[0]);
 	}
     }
+    #uniqueify the languages list
+    my %count;
+    @genlanguages = map { $count{$_}++ == 0 ? $_ : () } @genlanguages;
     return @genlanguages;
 }
 
+sub languages {
+    my ($possible_langs) = @_;
+    my @preferred_langs = &preferred_languages();
+    if (!ref($possible_langs)) {
+	if( wantarray ) {
+	    return @preferred_langs;
+	} else {
+	    return $preferred_langs[0];
+	}
+    }
+    my %possibilities = map { $_ => 1 } (@$possible_langs);
+    my @preferred_possibilities;
+    foreach my $preferred_lang (@preferred_langs) {
+	if (exists($possibilities{$preferred_lang})) {
+	    push(@preferred_possibilities, $preferred_lang);
+	}
+    }
+    if( wantarray ) {
+	return @preferred_possibilities;
+    }
+    return $preferred_possibilities[0];
+}
+
 ###############################################################
 ##               Student Answer Attempts                     ##
 ###############################################################
@@ -2535,14 +2948,14 @@ sub get_previous_attempt {
 	  $lasthash{$key}=$returnhash{$version.':'.$key};
         }
       }
-      $prevattempts='<table border="0" width="100%"><tr><td bgcolor="#777777">';
-      $prevattempts.='<table border="0" width="100%"><tr bgcolor="#e6ffff"><td>History</td>';
+      $prevattempts=&start_data_table().&start_data_table_header_row();
+      $prevattempts.='<th>'.&mt('History').'</th>';
       foreach my $key (sort(keys(%lasthash))) {
 	my ($ign,@parts) = split(/\./,$key);
 	if ($#parts > 0) {
 	  my $data=$parts[-1];
 	  pop(@parts);
-	  $prevattempts.='<td>Part '.join('.',@parts).'<br />'.$data.'&nbsp;</td>';
+	  $prevattempts.='<th>'.&mt('Part ').join('.',@parts).'<br />'.$data.'&nbsp;</th>';
 	} else {
 	  if ($#parts == 0) {
 	    $prevattempts.='<th>'.$parts[0].'</th>';
@@ -2551,41 +2964,53 @@ sub get_previous_attempt {
 	  }
 	}
       }
+      $prevattempts.=&end_data_table_header_row();
       if ($getattempt eq '') {
 	for ($version=1;$version<=$returnhash{'version'};$version++) {
-	  $prevattempts.='</tr><tr bgcolor="#ffffe6"><td>Transaction '.$version.'</td>';
+	  $prevattempts.=&start_data_table_row().
+	      '<td>'.&mt('Transaction [_1]',$version).'</td>';
 	    foreach my $key (sort(keys(%lasthash))) {
-	       my $value;
-	       if ($key =~ /timestamp/) {
-		  $value=scalar(localtime($returnhash{$version.':'.$key}));
-	       } else {
-		  $value=$returnhash{$version.':'.$key};
-	       }
-	       $prevattempts.='<td>'.&unescape($value).'&nbsp;</td>';   
+		my $value = &format_previous_attempt_value($key,
+							   $returnhash{$version.':'.$key});
+		$prevattempts.='<td>'.$value.'&nbsp;</td>';   
 	    }
+	  $prevattempts.=&end_data_table_row();
 	 }
       }
-      $prevattempts.='</tr><tr bgcolor="#ffffe6"><td>Current</td>';
+      $prevattempts.=&start_data_table_row().'<td>'.&mt('Current').'</td>';
       foreach my $key (sort(keys(%lasthash))) {
-	my $value;
-	if ($key =~ /timestamp/) {
-	  $value=scalar(localtime($lasthash{$key}));
-	} else {
-	  $value=$lasthash{$key};
-	}
-	$value=&unescape($value);
+	my $value = &format_previous_attempt_value($key,$lasthash{$key});
 	if ($key =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)}
 	$prevattempts.='<td>'.$value.'&nbsp;</td>';
       }
-      $prevattempts.='</tr></table></td></tr></table>';
+      $prevattempts.= &end_data_table_row().&end_data_table();
     } else {
-      $prevattempts='Nothing submitted - no attempts.';
+      $prevattempts=
+	  &start_data_table().&start_data_table_row().
+	  '<td>'.&mt('Nothing submitted - no attempts.').'</td>'.
+	  &end_data_table_row().&end_data_table();
     }
   } else {
-    $prevattempts='No data.';
+    $prevattempts=
+	  &start_data_table().&start_data_table_row().
+	  '<td>'.&mt('No data.').'</td>'.
+	  &end_data_table_row().&end_data_table();
   }
 }
 
+sub format_previous_attempt_value {
+    my ($key,$value) = @_;
+    if ($key =~ /timestamp/) {
+	$value = &Apache::lonlocal::locallocaltime($value);
+    } elsif (ref($value) eq 'ARRAY') {
+	$value = '('.join(', ', @{ $value }).')';
+    } else {
+	$value = &unescape($value);
+    }
+    return $value;
+}
+
+
 sub relative_to_absolute {
     my ($url,$output)=@_;
     my $parser=HTML::TokeParser->new(\$output);
@@ -2672,7 +3097,8 @@ sub get_student_answers {
   }
   $moreenv{'grade_target'}='answer';
   %moreenv=(%form,%moreenv);
-  my $userview=&Apache::lonnet::ssi('/res/'.$feedurl,%moreenv);
+  $feedurl = &Apache::lonnet::clutter($feedurl);
+  my $userview=&Apache::lonnet::ssi($feedurl,%moreenv);
   return $userview;
 }
 
@@ -2743,9 +3169,9 @@ sub pprmlink {
     if (!$symb) { $symb=&Apache::lonnet::symbread(); }
     $symb=&escape($symb);
     if ($target) { $target="target=\"$target\""; }
-    return '<a href="/adm/parmset?&command=set&'.
-	'symb='.$symb.'&uname='.$uname.
-	'&udom='.$udom.'" '.$target.'>'.$text.'</a>';
+    return '<a href="/adm/parmset?command=set&amp;'.
+	'symb='.$symb.'&amp;uname='.$uname.
+	'&amp;udom='.$udom.'" '.$target.'>'.$text.'</a>';
 }
 ##############################################
 
@@ -2786,31 +3212,376 @@ sub maketime {
 #########################################
 
 sub findallcourses {
-    my ($roles) = @_;
+    my ($roles,$uname,$udom) = @_;
     my %roles;
     if (ref($roles)) { %roles = map { $_ => 1 } @{$roles}; }
     my %courses;
     my $now=time;
-    foreach my $key (keys(%env)) {
-	if ( $key=~m{^user\.role\.(\w+)\./(\w+)/(\w+)} ) {
-	    my ($role,$domain,$id) = ($1,$2,$3);
-	    next if ($role eq 'ca' || $role eq 'aa');
-	    next if (%roles && !exists($roles{$role}));
-	    my ($starttime,$endtime)=split(/\./,$env{$key});
-            my $active=1;
-            if ($starttime) {
-		if ($now<$starttime) { $active=0; }
+    if (!defined($uname)) {
+        $uname = $env{'user.name'};
+    }
+    if (!defined($udom)) {
+        $udom = $env{'user.domain'};
+    }
+    if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
+        my %roleshash = &Apache::lonnet::dump('roles',$udom,$uname);
+        if (!%roles) {
+            %roles = (
+                       cc => 1,
+                       in => 1,
+                       ep => 1,
+                       ta => 1,
+                       cr => 1,
+                       st => 1,
+             );
+        }
+        foreach my $entry (keys(%roleshash)) {
+            my ($trole,$tend,$tstart) = split(/_/,$roleshash{$entry});
+            if ($trole =~ /^cr/) { 
+                next if (!exists($roles{$trole}) && !exists($roles{'cr'}));
+            } else {
+                next if (!exists($roles{$trole}));
+            }
+            if ($tend) {
+                next if ($tend < $now);
             }
-            if ($endtime) {
-                if ($now>$endtime) { $active=0; }
+            if ($tstart) {
+                next if ($tstart > $now);
+            }
+            my ($cdom,$cnum,$sec,$cnumpart,$secpart,$role,$realsec);
+            (undef,$cdom,$cnumpart,$secpart) = split(/\//,$entry);
+            if ($secpart eq '') {
+                ($cnum,$role) = split(/_/,$cnumpart); 
+                $sec = 'none';
+                $realsec = '';
+            } else {
+                $cnum = $cnumpart;
+                ($sec,$role) = split(/_/,$secpart);
+                $realsec = $sec;
+            }
+            $courses{$cdom.'_'.$cnum}{$sec} = $trole.'/'.$cdom.'/'.$cnum.'/'.$realsec;
+        }
+    } else {
+        foreach my $key (keys(%env)) {
+	    if ( $key=~m{^user\.role\.(\w+)\./($match_domain)/($match_courseid)/?(\w*)$} ||
+                 $key=~m{^user\.role\.(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_courseid)/?(\w*)$}) {
+	        my ($role,$cdom,$cnum,$sec) = ($1,$2,$3,$4);
+	        next if ($role eq 'ca' || $role eq 'aa');
+	        next if (%roles && !exists($roles{$role}));
+	        my ($starttime,$endtime)=split(/\./,$env{$key});
+                my $active=1;
+                if ($starttime) {
+		    if ($now<$starttime) { $active=0; }
+                }
+                if ($endtime) {
+                    if ($now>$endtime) { $active=0; }
+                }
+                if ($active) {
+                    if ($sec eq '') {
+                        $sec = 'none';
+                    }
+                    $courses{$cdom.'_'.$cnum}{$sec} = 
+                                     $role.'/'.$cdom.'/'.$cnum.'/'.$sec;
+                }
             }
-            if ($active) { $courses{$domain.'_'.$id}=1; }
         }
     }
-    return keys(%courses);
+    return %courses;
 }
 
 ###############################################
+
+sub blockcheck {
+    my ($setters,$activity,$uname,$udom) = @_;
+
+    if (!defined($udom)) {
+        $udom = $env{'user.domain'};
+    }
+    if (!defined($uname)) {
+        $uname = $env{'user.name'};
+    }
+
+    # If uname and udom are for a course, check for blocks in the course.
+
+    if (&Apache::lonnet::is_course($udom,$uname)) {
+        my %records = &Apache::lonnet::dump('comm_block',$udom,$uname);
+        my ($startblock,$endblock)=&get_blocks($setters,$activity,$udom,$uname);
+        return ($startblock,$endblock);
+    }
+
+    my $startblock = 0;
+    my $endblock = 0;
+    my %live_courses = &findallcourses(undef,$uname,$udom);
+
+    # If uname is for a user, and activity is course-specific, i.e.,
+    # boards, chat or groups, check for blocking in current course only.
+
+    if (($activity eq 'boards' || $activity eq 'chat' ||
+         $activity eq 'groups') && ($env{'request.course.id'})) {
+        foreach my $key (keys(%live_courses)) {
+            if ($key ne $env{'request.course.id'}) {
+                delete($live_courses{$key});
+            }
+        }
+    }
+
+    my $otheruser = 0;
+    my %own_courses;
+    if ((($uname ne $env{'user.name'})) || ($udom ne $env{'user.domain'})) {
+        # Resource belongs to user other than current user.
+        $otheruser = 1;
+        # Gather courses for current user
+        %own_courses = 
+            &findallcourses(undef,$env{'user.name'},$env{'user.domain'});
+    }
+
+    # Gather active course roles - course coordinator, instructor, 
+    # exam proctor, ta, student, or custom role.
+
+    foreach my $course (keys(%live_courses)) {
+        my ($cdom,$cnum);
+        if ((defined($env{'course.'.$course.'.domain'})) && (defined($env{'course.'.$course.'.num'}))) {
+            $cdom = $env{'course.'.$course.'.domain'};
+            $cnum = $env{'course.'.$course.'.num'};
+        } else {
+            ($cdom,$cnum) = split(/_/,$course); 
+        }
+        my $no_ownblock = 0;
+        my $no_userblock = 0;
+        if ($otheruser && $activity ne 'com') {
+            # Check if current user has 'evb' priv for this
+            if (defined($own_courses{$course})) {
+                foreach my $sec (keys(%{$own_courses{$course}})) {
+                    my $checkrole = 'cm./'.$cdom.'/'.$cnum;
+                    if ($sec ne 'none') {
+                        $checkrole .= '/'.$sec;
+                    }
+                    if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) {
+                        $no_ownblock = 1;
+                        last;
+                    }
+                }
+            }
+            # if they have 'evb' priv and are currently not playing student
+            next if (($no_ownblock) &&
+                 ($env{'request.role'} !~ m{^st\./$cdom/$cnum}));
+        }
+        foreach my $sec (keys(%{$live_courses{$course}})) {
+            my $checkrole = 'cm./'.$cdom.'/'.$cnum;
+            if ($sec ne 'none') {
+                $checkrole .= '/'.$sec;
+            }
+            if ($otheruser) {
+                # Resource belongs to user other than current user.
+                # Assemble privs for that user, and check for 'evb' priv.
+                my ($trole,$tdom,$tnum,$tsec);
+                my $entry = $live_courses{$course}{$sec};
+                if ($entry =~ /^cr/) {
+                    ($trole,$tdom,$tnum,$tsec) = 
+                      ($entry =~ m|^(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_username)/?(\w*)$|);
+                } else {
+                    ($trole,$tdom,$tnum,$tsec) = split(/\//,$entry);
+                }
+                my ($spec,$area,$trest,%allroles,%userroles);
+                $area = '/'.$tdom.'/'.$tnum;
+                $trest = $tnum;
+                if ($tsec ne '') {
+                    $area .= '/'.$tsec;
+                    $trest .= '/'.$tsec;
+                }
+                $spec = $trole.'.'.$area;
+                if ($trole =~ /^cr/) {
+                    &Apache::lonnet::custom_roleprivs(\%allroles,$trole,
+                                                      $tdom,$spec,$trest,$area);
+                } else {
+                    &Apache::lonnet::standard_roleprivs(\%allroles,$trole,
+                                                       $tdom,$spec,$trest,$area);
+                }
+                my ($author,$adv) = &Apache::lonnet::set_userprivs(\%userroles,\%allroles);
+                if ($userroles{'user.priv.'.$checkrole} =~ /evb\&([^\:]*)/) {
+                    if ($1) {
+                        $no_userblock = 1;
+                        last;
+                    }
+                }
+            } else {
+                # Resource belongs to current user
+                # Check for 'evb' priv via lonnet::allowed().
+                if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) {
+                    $no_ownblock = 1;
+                    last;
+                }
+            }
+        }
+        # if they have the evb priv and are currently not playing student
+        next if (($no_ownblock) &&
+                 ($env{'request.role'} !~ m{^st\./\Q$cdom\E/\Q$cnum\E}));
+        next if ($no_userblock);
+
+        # Retrieve blocking times and identity of blocker for course
+        # of specified user, unless user has 'evb' privilege.
+        
+        my ($start,$end)=&get_blocks($setters,$activity,$cdom,$cnum);
+        if (($start != 0) && 
+            (($startblock == 0) || ($startblock > $start))) {
+            $startblock = $start;
+        }
+        if (($end != 0)  &&
+            (($endblock == 0) || ($endblock < $end))) {
+            $endblock = $end;
+        }
+    }
+    return ($startblock,$endblock);
+}
+
+sub get_blocks {
+    my ($setters,$activity,$cdom,$cnum) = @_;
+    my $startblock = 0;
+    my $endblock = 0;
+    my $course = $cdom.'_'.$cnum;
+    $setters->{$course} = {};
+    $setters->{$course}{'staff'} = [];
+    $setters->{$course}{'times'} = [];
+    my %records = &Apache::lonnet::dump('comm_block',$cdom,$cnum);
+    foreach my $record (keys(%records)) {
+        my ($start,$end) = ($record =~ m/^(\d+)____(\d+)$/);
+        if ($start <= time && $end >= time) {
+            my ($staff_name,$staff_dom,$title,$blocks) =
+                &parse_block_record($records{$record});
+            if ($blocks->{$activity} eq 'on') {
+                push(@{$$setters{$course}{'staff'}},[$staff_name,$staff_dom]);
+                push(@{$$setters{$course}{'times'}}, [$start,$end]);
+                if ( ($startblock == 0) || ($startblock > $start) ) {
+                    $startblock = $start;
+                }
+                if ( ($endblock == 0) || ($endblock < $end) ) {
+                    $endblock = $end;
+                }
+            }
+        }
+    }
+    return ($startblock,$endblock);
+}
+
+sub parse_block_record {
+    my ($record) = @_;
+    my ($setuname,$setudom,$title,$blocks);
+    if (ref($record) eq 'HASH') {
+        ($setuname,$setudom) = split(/:/,$record->{'setter'});
+        $title = &unescape($record->{'event'});
+        $blocks = $record->{'blocks'};
+    } else {
+        my @data = split(/:/,$record,3);
+        if (scalar(@data) eq 2) {
+            $title = $data[1];
+            ($setuname,$setudom) = split(/@/,$data[0]);
+        } else {
+            ($setuname,$setudom,$title) = @data;
+        }
+        $blocks = { 'com' => 'on' };
+    }
+    return ($setuname,$setudom,$title,$blocks);
+}
+
+sub build_block_table {
+    my ($startblock,$endblock,$setters) = @_;
+    my %lt = &Apache::lonlocal::texthash(
+        'cacb' => 'Currently active communication blocks',
+        'cour' => 'Course',
+        'dura' => 'Duration',
+        'blse' => 'Block set by'
+    );
+    my $output;
+    $output = '<br />'.$lt{'cacb'}.':<br />';
+    $output .= &start_data_table();
+    $output .= '
+<tr>
+ <th>'.$lt{'cour'}.'</th>
+ <th>'.$lt{'dura'}.'</th>
+ <th>'.$lt{'blse'}.'</th>
+</tr>
+';
+    foreach my $course (keys(%{$setters})) {
+        my %courseinfo=&Apache::lonnet::coursedescription($course);
+        for (my $i=0; $i<@{$$setters{$course}{staff}}; $i++) {
+            my ($uname,$udom) = @{$$setters{$course}{staff}[$i]};
+            my $fullname = &plainname($uname,$udom);
+            if (defined($env{'user.name'}) && defined($env{'user.domain'})
+                && $env{'user.name'} ne 'public' 
+                && $env{'user.domain'} ne 'public') {
+                $fullname = &aboutmewrapper($fullname,$uname,$udom);
+            }
+            my ($openblock,$closeblock) = @{$$setters{$course}{times}[$i]};
+            $openblock = &Apache::lonlocal::locallocaltime($openblock);
+            $closeblock= &Apache::lonlocal::locallocaltime($closeblock);
+            $output .= &Apache::loncommon::start_data_table_row().
+                       '<td>'.$courseinfo{'description'}.'</td>'.
+                       '<td>'.$openblock.' to '.$closeblock.'</td>'.
+                       '<td>'.$fullname.'</td>'.
+                        &Apache::loncommon::end_data_table_row();
+        }
+    }
+    $output .= &end_data_table();
+}
+
+sub blocking_status {
+    my ($activity,$uname,$udom) = @_;
+    my %setters;
+    my ($blocked,$output,$ownitem,$is_course);
+    my ($startblock,$endblock)=&blockcheck(\%setters,$activity,$uname,$udom);
+    if ($startblock && $endblock) {
+        $blocked = 1;
+        if (wantarray) {
+            my $category;
+            if ($activity eq 'boards') {
+                $category = 'Discussion posts in this course';
+            } elsif ($activity eq 'blogs') {
+                $category = 'Blogs';
+            } elsif ($activity eq 'port') {
+                if (defined($uname) && defined($udom)) {
+                    if ($uname eq $env{'user.name'} &&
+                        $udom eq $env{'user.domain'}) {
+                        $ownitem = 1;
+                    }
+                }
+                $is_course = &Apache::lonnet::is_course($udom,$uname);
+                if ($ownitem) { 
+                    $category = 'Your portfolio files';  
+                } elsif ($is_course) {
+                    my $coursedesc;
+                    foreach my $course (keys(%setters)) {
+                        my %courseinfo =
+                             &Apache::lonnet::coursedescription($course);
+                        $coursedesc = $courseinfo{'description'};
+                    }
+                    $category = "Group files in the course '$coursedesc'";
+                } else {
+                    $category = 'Portfolio files belonging to ';
+                    if ($env{'user.name'} eq 'public' && 
+                        $env{'user.domain'} eq 'public') {
+                        $category .= &plainname($uname,$udom);
+                    } else {
+                        $category .= &aboutmewrapper(&plainname($uname,$udom),$uname,$udom);  
+                    }
+                }
+            } elsif ($activity eq 'groups') {
+                $category = 'Groups in this course';
+            }
+            my $showstart = &Apache::lonlocal::locallocaltime($startblock);
+            my $showend = &Apache::lonlocal::locallocaltime($endblock);
+            $output = '<br />'.&mt('[_1] will be inaccessible between [_2] and [_3] because communication is being blocked.',$category,$showstart,$showend).'<br />';
+            if (!($activity eq 'port' && !($ownitem) && !($is_course))) { 
+                $output .= &build_block_table($startblock,$endblock,\%setters);
+            }
+        }
+    }
+    if (wantarray) {
+        return ($blocked,$output);
+    } else {
+        return $blocked;
+    }
+}
+
 ###############################################
 
 =pod
@@ -2830,7 +3601,7 @@ Returns: Determines which domain should
 ###############################################
 sub determinedomain {
     my $domain=shift;
-   if (! $domain) {
+    if (! $domain) {
         # Determine domain if we have not been given one
         $domain = $Apache::lonnet::perlvar{'lonDefDomain'};
         if ($env{'user.domain'}) { $domain=$env{'user.domain'}; }
@@ -2841,6 +3612,60 @@ sub determinedomain {
     return $domain;
 }
 ###############################################
+
+sub devalidate_domconfig_cache {
+    my ($udom)=@_;
+    &Apache::lonnet::devalidate_cache_new('domainconfig',$udom);
+}
+
+# ---------------------- Get domain configuration for a domain
+sub get_domainconf {
+    my ($udom) = @_;
+    my $cachetime=1800;
+    my ($result,$cached)=&Apache::lonnet::is_cached_new('domainconfig',$udom);
+    if (defined($cached)) { return %{$result}; }
+
+    my %domconfig = &Apache::lonnet::get_dom('configuration',
+					     ['login','rolecolors'],$udom);
+    my %designhash;
+    if (keys(%domconfig) > 0) {
+        if (ref($domconfig{'login'}) eq 'HASH') {
+            foreach my $key (keys(%{$domconfig{'login'}})) {
+                $designhash{$udom.'.login.'.$key}=$domconfig{'login'}{$key};
+            }
+        }
+        if (ref($domconfig{'rolecolors'}) eq 'HASH') {
+            foreach my $role (keys(%{$domconfig{'rolecolors'}})) {
+                if (ref($domconfig{'rolecolors'}{$role}) eq 'HASH') {
+                    foreach my $item (keys(%{$domconfig{'rolecolors'}{$role}})) {
+                        $designhash{$udom.'.'.$role.'.'.$item}=$domconfig{'rolecolors'}{$role}{$item};
+                    }
+                }
+            }
+        }
+    } else {
+        my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
+        my $designfile =  $designdir.'/'.$udom.'.tab';
+        if (-e $designfile) {
+            if ( open (my $fh,"<$designfile") ) {
+                while (my $line = <$fh>) {
+                    next if ($line =~ /^\#/);
+                    chomp($line);
+                    my ($key,$val)=(split(/\=/,$line));
+                    if ($val) { $designhash{$udom.'.'.$key}=$val; }
+                }
+                close($fh);
+            }
+        }
+        if (-e '/home/httpd/html/adm/lonDomLogos/'.$udom.'.gif') {
+            $designhash{$udom.'.login.domlogo'} = "/adm/lonDomLogos/$udom.gif";
+        }
+    }
+    &Apache::lonnet::do_cache_new('domainconfig',$udom,\%designhash,
+				  $cachetime);
+    return %designhash;
+}
+
 =pod
 
 =item * &domainlogo()
@@ -2854,13 +3679,21 @@ If the domain logo does not exist, a des
 
 ###############################################
 sub domainlogo {
-    my $domain = &determinedomain(shift);    
-     # See if there is a logo
-    if (-e '/home/httpd/html/adm/lonDomLogos/'.$domain.'.gif') {
-	my $logo=&lonhttpdurl("/adm/lonDomLogos/$domain.gif");
-        return '<img src="'.$logo.'" alt="'.$domain.'" />';
-    } elsif(exists($Apache::lonnet::domaindescription{$domain})) {
-        return $Apache::lonnet::domaindescription{$domain};
+    my $domain = &determinedomain(shift);
+    my %designhash = &get_domainconf($domain);    
+    # See if there is a logo
+    if ($designhash{$domain.'.login.domlogo'} ne '') {
+        my $imgsrc = $designhash{$domain.'.login.domlogo'};
+        if ($imgsrc =~ m{^/(adm|res)/}) {
+	    if ($imgsrc =~ m{^/res/}) {
+		my $local_name = &Apache::lonnet::filelocation('',$imgsrc);
+		&Apache::lonnet::repcopy($local_name);
+	    }
+	   $imgsrc = &lonhttpdurl($imgsrc);
+        } 
+        return '<img src="'.$imgsrc.'" alt="'.$domain.'" />';
+    } elsif (defined(&Apache::lonnet::domain($domain,'description'))) {
+        return &Apache::lonnet::domain($domain,'description');
     } else {
         return '';
     }
@@ -2896,11 +3729,24 @@ sub designparm {
 	return $env{'environment.color.'.$which};
     }
     $domain=&determinedomain($domain);
-    if (exists($designhash{$domain.'.'.$which})) {
-	return $designhash{$domain.'.'.$which};
+    my %domdesign = &get_domainconf($domain);
+    my $output;
+    if ($domdesign{$domain.'.'.$which} ne '') {
+	$output = $domdesign{$domain.'.'.$which};
     } else {
-        return $designhash{'default.'.$which};
+        $output = $defaultdesign{$which};
     }
+    if (($which =~ /^(student|coordinator|author|admin)\.img$/) ||
+        ($which =~ /login\.(img|logo|domlogo)/)) {
+        if ($output =~ m{^/(adm|res)/}) {
+	    if ($output =~ m{^/res/}) {
+		my $local_name = &Apache::lonnet::filelocation('',$output);
+		&Apache::lonnet::repcopy($local_name);
+	    }
+            $output = &lonhttpdurl($output);
+        }
+    }
+    return $output;
 }
 
 ###############################################
@@ -2910,7 +3756,7 @@ sub designparm {
 
 =back
 
-=head1 HTTP Helpers
+=head1 HTML Helpers
 
 =over 4
 
@@ -2951,6 +3797,9 @@ Inputs:
 
 =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,
+                              should it have jsmath forced on by the
+                              current page
 
 =back
 
@@ -2983,8 +3832,8 @@ sub bodytag {
  # role and realm
     my ($role,$realm) = split(/\./,$env{'request.role'},2);
     if ($role  eq 'ca') {
-        my ($rdom,$rname) = ($realm =~ m-^/(\w+)/(\w+)$-);
-        $realm = &plainname($rname,$rdom).':'.$rdom;
+        my ($rdom,$rname) = ($realm =~ m{^/($match_domain)/($match_username)$});
+        $realm = &plainname($rname,$rdom);
     } 
 # realm
     if ($env{'request.course.id'}) {
@@ -2999,19 +3848,14 @@ sub bodytag {
     if (!$realm) { $realm='&nbsp;'; }
 # Set messages
     my $messages=&domainlogo($domain);
-# Port for miniserver
-    my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'};
-    if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; }
 
     my $extra_body_attr = &make_attr_string($forcereg,\%design);
 
 # construct main body tag
     my $bodytag = "<body $extra_body_attr>".
-	&Apache::lontexconvert::init_math_support();
+	&Apache::lontexconvert::init_math_support($args->{'inherit_jsmath'});
 
-    if ($bodyonly 
-	|| ($env{'request.state'} eq 'construct' 
-	    && $env{'environment.remote'} ne 'off' )) {
+    if ($bodyonly) {
         return $bodytag;
     } elsif ($env{'browser.interface'} eq 'textual') {
 # Accessibility
@@ -3119,8 +3963,11 @@ ENDROLE
 # Top frame rendering, Remote is up
 #
 
-    my $upperleft='<img src="http://'.$ENV{'HTTP_HOST'}.':'.
-        $lonhttpdPort.$img.'" alt="'.$function.'" />';
+    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?''
@@ -3203,20 +4050,12 @@ sub make_attr_string {
 
 =pod
 
-=back
-
-=head1 HTML Helpers
-
-=over 4
-
 =item * &endbodytag()
 
 Returns a uniform footer for LON-CAPA web pages.
 
 Inputs: none
 
-=back
-
 =cut
 
 sub endbodytag {
@@ -3233,8 +4072,6 @@ sub endbodytag {
 
 =pod
 
-=over 4
-
 =item * &standard_css()
 
 Returns a style sheet
@@ -3245,8 +4082,6 @@ Inputs: (all optional)
             function       -> force usage of a specific rolish color scheme
             bgcolor        -> override the default page bgcolor
 
-=back
-
 =cut
 
 sub standard_css {
@@ -3264,7 +4099,7 @@ sub standard_css {
     my $vlink  = &designparm($function.'.vlink', $domain);
     my $link   = &designparm($function.'.link',  $domain);
 
-    my $sans                 = 'Arial,Helvetica,sans-serif';
+    my $sans                 = 'Verdana,Arial,Helvetica,sans-serif';
     my $mono                 = 'monospace';
     my $data_table_head      = $tabbg;
     my $data_table_light     = '#EEEEEE';
@@ -3280,20 +4115,30 @@ sub standard_css {
     my $mail_other           = '#99BBBB';
     my $mail_other_hover     = '#669999';
     my $table_header         = '#DDDDDD';
+    my $feedback_link_bg     = '#BBBBBB';
 
     my $border = ($env{'browser.type'} eq 'explorer') ? '0px 2px 0px 2px'
 	                                              : '0px 3px 0px 4px';
 
+
     return <<END;
 h1, h2, h3, th { font-family: $sans }
 a:focus { color: red; background: yellow } 
-table.thinborder { border-collapse: collapse; }
-table.thinborder tr th {  border-style: solid; border-width: 1px; background: $tabbg;}
-table.thinborder tr td { border-style: solid; border-width: 1px}
+table.thinborder,
+
+table.thinborder tr th {
+  border-style: solid;
+  border-width: 1px;
+  background: $tabbg;
+}
+table.thinborder tr td {
+  border-style: solid;
+  border-width: 1px
+}
 
 form, .inline { display: inline; }
 .center { text-align: center; }
-.LC_filename {font-family: $mono;}
+.LC_filename {font-family: $mono; white-space:pre;}
 .LC_error {
   color: red;
   font-size: larger;
@@ -3302,13 +4147,32 @@ form, .inline { display: inline; }
 .LC_diff_removed {
   color: red;
 }
+
+.LC_info,
 .LC_success,
 .LC_diff_added {
   color: green;
 }
+.LC_unknown {
+  color: yellow;
+}
+
 .LC_icon {
   border: 0px;
 }
+.LC_indexer_icon {
+  border: 0px;
+  height: 22px;
+}
+.LC_docs_spacer {
+  width: 25px;
+  height: 1px;
+  border: 0px;
+}
+
+.LC_internal_info {
+  color: #999;
+}
 
 table.LC_pastsubmission {
   border: 1px solid black;
@@ -3371,7 +4235,7 @@ table#LC_title_bar td.LC_title_bar_role_
 }
 
 table#LC_menubuttons_mainmenu {
-  background: $pgbg;
+  width: 100%;
   border: 0px;
   border-spacing: 1px;
   padding: 0px 1px;
@@ -3426,19 +4290,37 @@ td.LC_table_cell_checkbox {
   text-align: center;
 }
 
+table#LC_mainmenu td.LC_mainmenu_column {
+    vertical-align: top;
+}
+
 .LC_menubuttons_inline_text {
   color: $font;
   font-family: $sans;
   font-size: smaller;
 }
 
+.LC_menubuttons_link {
+  text-decoration: none;
+}
+
+.LC_menubuttons_category {
+  color: $font;
+  background: $pgbg;
+  font-family: $sans;
+  font-size: larger;
+  font-weight: bold;
+}
+
 td.LC_menubuttons_text {
+  width: 90%;
   color: $font;
   font-family: $sans;
 }
+
 td.LC_menubuttons_img {
-  background: $tabbg;
 }
+
 .LC_current_location {
   font-family: $sans;
   background: $tabbg;
@@ -3448,6 +4330,45 @@ td.LC_menubuttons_img {
   font-weight: bold;
 }
 
+.LC_rolesmenu_is {
+  font-family: $sans;
+}
+
+.LC_rolesmenu_selected {
+  font-family: $sans;
+}
+
+.LC_rolesmenu_future {
+  font-family: $sans;
+}
+
+
+.LC_rolesmenu_will {
+  font-family: $sans;
+}
+
+.LC_rolesmenu_will_not {
+  font-family: $sans;
+}
+
+.LC_rolesmenu_expired {
+  font-family: $sans;
+}
+
+.LC_rolesinfo {
+  font-family: $sans;
+}
+
+.LC_dropadd_labeltext {
+  font-family: $sans;
+  text-align: right;
+}
+
+.LC_preferences_labeltext {
+  font-family: $sans;
+  text-align: right;
+}
+
 table.LC_aboutme_port {
   border: 0px;
   border-collapse: collapse;
@@ -3461,7 +4382,20 @@ table.LC_data_table, table.LC_mail_list
 .LC_data_table_dense {
   font-size: small;
 }
-table.LC_data_table tr th, table.LC_calendar tr th, table.LC_mail_list tr th {
+table.LC_nested_outer {
+  border: 1px solid #000000;
+  border-collapse: collapse;
+  border-spacing: 0px;
+  width: 100%;
+}
+table.LC_nested {
+  border: 0px;
+  border-collapse: collapse;
+  border-spacing: 0px;
+  width: 100%;
+}
+table.LC_data_table tr th, table.LC_calendar tr th, table.LC_mail_list tr th,
+table.LC_prior_tries tr th {
   font-weight: bold;
   background-color: $data_table_head;
   font-size: smaller;
@@ -3479,41 +4413,67 @@ table.LC_data_table tr.LC_data_table_hig
   background-color: $data_table_darker;
 }
 table.LC_data_table tr.LC_empty_row td,
-table.LC_whatsnew tr.LC_empty_row td {
+table.LC_nested tr.LC_empty_row td {
   background-color: #FFFFFF;
   font-weight: bold;
   font-style: italic;
   text-align: center;
   padding: 8px;
 }
-table.LC_whatsnew tr.LC_empty_row td {
+table.LC_nested tr.LC_empty_row td {
   padding: 4ex
 }
-
-
-table.LC_whatsnew {
+table.LC_nested_outer tr th {
+  font-weight: bold;
+  background-color: $data_table_head;
+  font-size: smaller;
+  border-bottom: 1px solid #000000;
 }
-
-table.LC_whatsnew tr th,
-table.LC_whatsnew tr.LC_info_row td {
-  background-color: #CCC;
+table.LC_nested_outer tr td.LC_subheader {
+  background-color: $data_table_head;
   font-weight: bold;
   font-size: small;
+  border-bottom: 1px solid #000000;
   text-align: right;
 }
-table.LC_whatsnew tr td {
-  background-color: #FFF;
+table.LC_nested tr.LC_info_row td {
+  background-color: #CCC;
+  font-weight: bold;
   font-size: small;
-  text-align: right;
+  text-align: center;
 }
-table.LC_whatsnew tr td.LC_first_item {
+table.LC_nested tr.LC_info_row td.LC_left_item,
+table.LC_nested_outer tr th.LC_left_item {
   text-align: left;
 }
+table.LC_nested td {
+  background-color: #FFF;
+  font-size: small;
+}
+table.LC_nested_outer tr th.LC_right_item,
+table.LC_nested tr.LC_info_row td.LC_right_item,
+table.LC_nested tr.LC_odd_row td.LC_right_item,
+table.LC_nested tr td.LC_right_item {
+  text-align: right;
+}
 
-table.LC_whatsnew tr.LC_odd_row td {
+table.LC_nested tr.LC_odd_row td {
   background-color: #EEE;
 }
 
+table.LC_createuser {
+}
+
+table.LC_createuser tr.LC_section_row td {
+  font-size: smaller;
+}
+
+table.LC_createuser tr.LC_info_row td  {
+  background-color: #CCC;
+  font-weight: bold;
+  text-align: center;
+}
+
 table.LC_calendar {
   border: 1px solid #000000;
   border-collapse: collapse;
@@ -3556,6 +4516,11 @@ table.LC_mail_list tr.LC_mail_other {
 table.LC_mail_list tr.LC_mail_other:hover {
   background-color: $mail_other_hover;
 }
+table.LC_mail_list tr.LC_mail_even {
+}
+table.LC_mail_list tr.LC_mail_odd {
+}
+
 
 table#LC_portfolio_actions {
   width: auto;
@@ -3709,9 +4674,7 @@ table#LC_helpmenu_links a:hover {
   border: 1px solid #8888FF;
   background: #CCCCFF;
 }
-
 table.LC_pick_box {
-  width: 100%;
   border-collapse: separate;
   background: white;
   border: 1px solid black;
@@ -3724,6 +4687,14 @@ table.LC_pick_box td.LC_pick_box_title {
   width: 184px;
   padding: 8px;
 }
+table.LC_pick_box td.LC_pick_box_value {
+  text-align: left;
+  padding: 8px;
+}
+table.LC_pick_box td.LC_pick_box_select {
+  text-align: left;
+  padding: 8px;
+}
 table.LC_pick_box td.LC_pick_box_separator {
   padding: 0px;
   height: 1px;
@@ -3732,7 +4703,48 @@ table.LC_pick_box td.LC_pick_box_separat
 table.LC_pick_box td.LC_pick_box_submit {
   text-align: right;
 }
-
+table.LC_pick_box td.LC_evenrow_value {
+  text-align: left;
+  padding: 8px;
+  background-color: $data_table_light;
+}
+table.LC_pick_box td.LC_oddrow_value {
+  text-align: left;
+  padding: 8px;
+  background-color: $data_table_light;
+}
+table.LC_helpform_receipt {
+  width: 620px;
+  border-collapse: separate;
+  background: white;
+  border: 1px solid black;
+  border-spacing: 1px;
+}
+table.LC_helpform_receipt td.LC_pick_box_title {
+  background: $tabbg;
+  font-weight: bold;
+  text-align: right;
+  width: 184px;
+  padding: 8px;
+}
+table.LC_helpform_receipt td.LC_evenrow_value {
+  text-align: left;
+  padding: 8px;
+  background-color: $data_table_light;
+}
+table.LC_helpform_receipt td.LC_oddrow_value {
+  text-align: left;
+  padding: 8px;
+  background-color: $data_table_light;
+}
+table.LC_helpform_receipt td.LC_pick_box_separator {
+  padding: 0px;
+  height: 1px;
+  background: black;
+}
+span.LC_helpform_receipt_cat {
+  font-weight: bold;
+}
 table.LC_group_priv_box {
   background: white;
   border: 1px solid black;
@@ -3800,14 +4812,323 @@ table.LC_descriptive_input td.LC_descrip
   text-align: right;
   font-weight: bold;
 }
+div.LC_feedback_link {
+  background: white;
+  width: 100%;  
+}
+span.LC_feedback_link {
+  background: $feedback_link_bg;
+  font-size: larger;
+}
+span.LC_message_link {
+  background: $feedback_link_bg;
+  font-size: larger;
+  position: absolute;
+  right: 1em;
+}
+
+table.LC_prior_tries {
+  border: 1px solid #000000;
+  border-collapse: separate;
+  border-spacing: 1px;
+}
+
+table.LC_prior_tries td {
+  padding: 2px;
+}
+
+.LC_answer_correct {
+  background: #AAFFAA;
+  color: black;
+}
+.LC_answer_charged_try {
+  background: #FFAAAA ! important;
+  color: black;
+}
+.LC_answer_not_charged_try, 
+.LC_answer_no_grade,
+.LC_answer_late {
+  background: #FFFFAA;
+  color: black;
+}
+.LC_answer_previous {
+  background: #AAAAFF;
+  color: black;
+}
+.LC_answer_no_message {
+  background: #FFFFFF;
+  color: black;
+}
+.LC_answer_unknown {
+  background: orange;
+  color: black;
+}
+
+
+span.LC_prior_numerical,
+span.LC_prior_string,
+span.LC_prior_custom,
+span.LC_prior_reaction,
+span.LC_prior_math {
+  font-family: monospace;
+  white-space: pre;
+}
+
+span.LC_prior_string {
+  font-family: monospace;
+  white-space: pre;
+}
+
+table.LC_prior_option {
+  width: 100%;
+  border-collapse: collapse;
+}
+table.LC_prior_rank, table.LC_prior_match {
+  border-collapse: collapse;
+}
+table.LC_prior_option tr td,
+table.LC_prior_rank tr td,
+table.LC_prior_match tr td {
+  border: 1px solid #000000;
+}
+
+span.LC_nobreak {
+  white-space: nowrap;
+}
+
+span.LC_cusr_emph {
+  font-style: italic;
+}
+
+table.LC_docs_documents {
+  background: #BBBBBB;
+  border-width: 0px;
+  border-collapse: collapse;
+}
+
+table.LC_docs_documents td.LC_docs_document {
+  border: 2px solid black;
+  padding: 4px;
+}
+
+.LC_docs_course_commands div {
+  float: left;
+  border: 4px solid #AAAAAA;
+  padding: 4px;
+  background: #DDDDCC;
+}
+
+.LC_docs_entry_move {
+  border: 0px;
+  border-collapse: collapse;
+}
+
+.LC_docs_entry_move td {
+  border: 2px solid #BBBBBB;
+  background: #DDDDDD;
+}
+
+.LC_docs_editor td.LC_docs_entry_commands {
+  background: #DDDDDD;
+  font-size: x-small;
+}
+.LC_docs_copy {
+  color: #000099;
+}
+.LC_docs_cut {
+  color: #550044;
+}
+.LC_docs_rename {
+  color: #009900;
+}
+.LC_docs_remove {
+  color: #990000;
+}
+
+.LC_docs_reinit_warn,
+.LC_docs_ext_edit {
+  font-size: x-small;
+}
+
+.LC_docs_editor td.LC_docs_entry_title,
+.LC_docs_editor td.LC_docs_entry_icon {
+  background: #FFFFBB;
+}
+.LC_docs_editor td.LC_docs_entry_parameter {
+  background: #BBBBFF;
+  font-size: x-small;
+  white-space: nowrap;
+}
+
+table.LC_docs_adddocs td,
+table.LC_docs_adddocs th {
+  border: 1px solid #BBBBBB;
+  padding: 4px;
+  background: #DDDDDD;
+}
+
+table.LC_sty_begin {
+  background: #BBFFBB;
+}
+table.LC_sty_end {
+  background: #FFBBBB;
+}
+
+table.LC_double_column {
+  border-width: 0px;
+  border-collapse: collapse;
+  width: 100%;
+  padding: 2px;
+}
+
+table.LC_double_column tr td.LC_left_col {
+  top: 2px;
+  left: 2px;
+  width: 47%;
+  vertical-align: top;
+}
+
+table.LC_double_column tr td.LC_right_col {
+  top: 2px;
+  right: 2px; 
+  width: 47%;
+  vertical-align: top;
+}
+
+span.LC_role_level {
+  font-weight: bold;
+}
+
+div.LC_left_float {
+  float: left;
+  padding-right: 5%;
+  padding-bottom: 4px;
+}
+
+div.LC_clear_float_header {
+  padding-bottom: 2px;
+}
 
+div.LC_clear_float_footer {
+  padding-top: 10px;
+  clear: both;
+}
+
+
+div.LC_grade_select_mode {
+  float: left;
+  font-family: $sans;
+}
+div.LC_grade_select_mode div div {
+  margin: 5px;
+}
+div.LC_grade_select_mode_selector {
+  margin: 5px;
+  float: left;
+}
+div.LC_grade_select_mode_selector_header {
+  font: bold medium $sans;
+}
+div.LC_grade_select_mode_type {
+  clear: left;
+}
+
+div.LC_grade_show_user {
+  margin-top: 20px;
+  border: 1px solid black;
+}
+div.LC_grade_user_name {
+  background: #DDDDEE;
+  border-bottom: 1px solid black;
+  font: bold large $sans;
+}
+div.LC_grade_show_user_odd_row div.LC_grade_user_name {
+  background: #DDEEDD;
+}
+
+div.LC_grade_show_problem,
+div.LC_grade_submissions,
+div.LC_grade_message_center,
+div.LC_grade_info_links,
+div.LC_grade_assign {
+  margin: 5px;
+  width: 99%;
+  background: #FFFFFF;
+}
+div.LC_grade_show_problem_header,
+div.LC_grade_submissions_header,
+div.LC_grade_message_center_header,
+div.LC_grade_assign_header {
+  font: bold large $sans;
+}
+div.LC_grade_show_problem_problem,
+div.LC_grade_submissions_body,
+div.LC_grade_message_center_body,
+div.LC_grade_assign_body {
+  border: 1px solid black;
+  width: 99%;
+  background: #FFFFFF;
+}
+span.LC_grade_check_note {
+  font: normal medium $sans;
+  display: inline;
+  position: absolute;
+  right: 1em;
+}
+
+
+div.LC_edit_problem_header {
+  font: normal medium $sans;
+  margin: 2px;
+}
+div.LC_edit_problem_header,
+div.LC_edit_problem_header div,
+div.LC_edit_problem_editxml_header,
+div.LC_edit_problem_editxml_header div {
+  margin-top: 5px;
+}
+div.LC_edit_problem_header_edit_row {
+  background: $tabbg;
+  padding: 3px;
+  margin-bottom: 5px;
+}
+div.LC_edit_problem_header_title {
+  font: larger bold $sans;
+  background: $tabbg;
+  padding: 3px;
+}
+table.LC_edit_problem_header_title {
+  font: larger bold $sans;
+  width: 100%;
+  border-color: $pgbg;
+  border-style: solid;
+  border-width: $border;
+
+  background: $tabbg;
+  border-collapse: collapse;
+  padding: 0px
+}
+
+div.LC_edit_problem_discards {
+  float: left;
+  padding-bottom: 5px;
+}
+div.LC_edit_problem_saves {
+  float: right;
+  padding-bottom: 5px;
+}
+hr.LC_edit_problem_divide {
+  clear: both;
+  color: $tabbg;
+  background-color: $tabbg;
+  height: 3px;
+  border: 0px;
+}
 END
 }
 
 =pod
 
-=over 4
-
 =item * &headtag()
 
 Returns a uniform footer for LON-CAPA web pages.
@@ -3831,8 +5152,6 @@ Inputs: $title - optional title for the
             no_auto_mt_title
                            -> prevent &mt()ing the title arg
 
-=back
-
 =cut
 
 sub headtag {
@@ -3888,16 +5207,12 @@ ADDMETA
 
 =pod
 
-=over 4
-
 =item * &font_settings()
 
 Returns neccessary <meta> to set the proper encoding
 
 Inputs: none
 
-=back
-
 =cut
 
 sub font_settings {
@@ -3914,22 +5229,20 @@ sub font_settings {
 
 =pod
 
-=over 4
-
 =item * &xml_begin()
 
 Returns the needed doctype and <html>
 
 Inputs: none
 
-=back
-
 =cut
 
 sub xml_begin {
     my $output='';
 
-    &Apache::lonhtmlcommon::init_htmlareafields();
+    if ($env{'internal.start_page'}==1) {
+	&Apache::lonhtmlcommon::init_htmlareafields();
+    }
 
     if ($env{'browser.mathml'}) {
 	$output='<?xml version="1.0"?>'
@@ -3948,16 +5261,12 @@ sub xml_begin {
 
 =pod
 
-=over 4
-
 =item * &endheadtag()
 
 Returns a uniform </head> for LON-CAPA web pages.
 
 Inputs: none
 
-=back
-
 =cut
 
 sub endheadtag {
@@ -3966,8 +5275,6 @@ sub endheadtag {
 
 =pod
 
-=over 4
-
 =item * &head()
 
 Returns a uniform complete <head>..</head> section for LON-CAPA web pages.
@@ -3975,8 +5282,6 @@ Returns a uniform complete <head>..</hea
 Inputs: $title - optional title for the page
         $head_extra - optional extra HTML to put inside the <head>
 
-=back
-
 =cut
 
 sub head {
@@ -3986,8 +5291,6 @@ sub head {
 
 =pod
 
-=over 4
-
 =item * &start_page()
 
 Returns a complete <html> .. <body> section for LON-CAPA web pages.
@@ -4026,7 +5329,9 @@ Inputs: $title - optional title for the
 
                   no_auto_mt_title -> prevent &mt()ing the title arg
 
-=back
+                  inherit_jsmath -> when creating popup window in a page,
+                                    should it have jsmath forced on by the
+                                    current page
 
 =cut
 
@@ -4079,8 +5384,6 @@ sub start_page {
 
 =pod
 
-=over 4
-
 =item * &head()
 
 Returns a complete </body></html> section for LON-CAPA web pages.
@@ -4092,6 +5395,11 @@ Inputs:         $args - additional optio
                                  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
 
@@ -4233,10 +5541,61 @@ sub simple_error_page {
     }
 }
 
+=pod
+
+=item * &inhibit_menu_check($arg)
+
+Checks for a inhibitmenu state and generates output to preserve it
+
+Inputs:         $arg - can be any of
+                     - undef - in which case the return value is a string 
+                               to add  into arguments list of a uri
+                     - 'input' - in which case the return value is a HTML
+                                 <form> <input> field of type hidden to
+                                 preserve the value
+                     - a url - in which case the return value is the url with
+                               the neccesary cgi args added to preserve the
+                               inhibitmenu state
+                     - a ref to a url - no return value, but the string is
+                                        updated to include the neccessary cgi
+                                        args to preserve the inhibitmenu state
+
+=cut
+
+sub inhibit_menu_check {
+    my ($arg) = @_;
+    &get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['inhibitmenu']);
+    if ($arg eq 'input') {
+	if ($env{'form.inhibitmenu'}) {
+	    return '<input type="hidden" name="inhibitmenu" value="'.$env{'form.inhibitmenu'}.'" />';
+	} else {
+	    return
+	}
+    }
+    if ($env{'form.inhibitmenu'}) {
+	if (ref($arg)) {
+	    $$arg .= '?inhibitmenu='.$env{'form.inhibitmenu'};
+	} elsif ($arg eq '') {
+	    $arg .= 'inhibitmenu='.$env{'form.inhibitmenu'};
+	} else {
+	    $arg .= '?inhibitmenu='.$env{'form.inhibitmenu'};
+	}
+    }
+    if (!ref($arg)) {
+	return $arg;
+    }
+}
+
 ###############################################
 
 =pod
 
+=back
+
+=head1 User Information Routines
+
+=over 4
+
 =item * &get_users_function()
 
 Used by &bodytag to determine the current users primary role.
@@ -4264,7 +5623,7 @@ sub get_users_function {
 
 =pod
 
-=item * &check_user_status
+=item * &check_user_status()
 
 Determines current status of supplied role for a
 specific user. Roles can be active, previous or future.
@@ -4550,7 +5909,7 @@ sub get_course_users {
                     $usec = 'none';
                 }
                 if ($uname ne '' && $udom ne '') {
-                    if ($end < $now) {
+                    if ($end > 0 && $end < $now) {
                         $status = 'previous';
                     } elsif ($start > $now) {
                         $status = 'future';
@@ -4625,11 +5984,18 @@ Incoming parameters:
 2. user's domain
 
 Returns:
-1. Disk quota (in Mb) assigned to student. 
+1. Disk quota (in Mb) assigned to student.
+2. (Optional) Type of setting: custom or default
+   (individually assigned or default for user's 
+   institutional status).
+3. (Optional) - User's institutional status (e.g., faculty, staff
+   or student - types as defined in localenroll::inst_usertypes 
+   for user's domain, which determines default quota for user.
+4. (Optional) - Default quota which would apply to the user.
 
 If a value has been stored in the user's environment, 
-it will return that, otherwise it returns the default
-for users in the domain.
+it will return that, otherwise it returns the maximal default
+defined for the user's instituional status(es) in the domain.
 
 =cut
 
@@ -4638,7 +6004,7 @@ for users in the domain.
 
 sub get_user_quota {
     my ($uname,$udom) = @_;
-    my $quota;
+    my ($quota,$quotatype,$settingstatus,$defquota);
     if (!defined($udom)) {
         $udom = $env{'user.domain'};
     }
@@ -4648,23 +6014,38 @@ sub get_user_quota {
     if (($udom eq '' || $uname eq '') ||
         ($udom eq 'public') && ($uname eq 'public')) {
         $quota = 0;
+        $quotatype = 'default';
+        $defquota = 0; 
     } else {
+        my $inststatus;
         if ($udom eq $env{'user.domain'} && $uname eq $env{'user.name'}) {
             $quota = $env{'environment.portfolioquota'};
+            $inststatus = $env{'environment.inststatus'};
         } else {
-            my %userenv = &Apache::lonnet::dump('environment',$udom,$uname);
+            my %userenv = 
+                &Apache::lonnet::get('environment',['portfolioquota',
+                                     'inststatus'],$udom,$uname);
             my ($tmp) = keys(%userenv);
             if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
                 $quota = $userenv{'portfolioquota'};
+                $inststatus = $userenv{'inststatus'};
             } else {
                 undef(%userenv);
             }
         }
+        ($defquota,$settingstatus) = &default_quota($udom,$inststatus);
         if ($quota eq '') {
-            $quota = &default_quota($udom);
+            $quota = $defquota;
+            $quotatype = 'default';
+        } else {
+            $quotatype = 'custom';
         }
     }
-    return $quota;
+    if (wantarray) {
+        return ($quota,$quotatype,$settingstatus,$defquota);
+    } else {
+        return $quota;
+    }
 }
 
 ###############################################
@@ -4673,32 +6054,68 @@ sub get_user_quota {
 
 =item * &default_quota()
 
-Retrieves default quota assigned for storage of user portfolio files
+Retrieves default quota assigned for storage of user portfolio files,
+given an (optional) user's institutional status.
 
 Incoming parameters:
 1. domain
+2. (Optional) institutional status(es).  This is a : separated list of 
+   status types (e.g., faculty, staff, student etc.)
+   which apply to the user for whom the default is being retrieved.
+   If the institutional status string in undefined, the domain
+   default quota will be returned. 
 
 Returns:
 1. Default disk quota (in Mb) for user portfolios in the domain.
+2. (Optional) institutional type which determined the value of the
+   default quota.
 
 If a value has been stored in the domain's configuration db,
 it will return that, otherwise it returns 20 (for backwards 
 compatibility with domains which have not set up a configuration
 db file; the original statically defined portfolio quota was 20 Mb). 
 
+If the user's status includes multiple types (e.g., staff and student),
+the largest default quota which applies to the user determines the
+default quota returned.
+
 =cut
 
 ###############################################
 
 
 sub default_quota {
-    my ($udom) = @_;
-    my %defaults = &Apache::lonnet::get_dom('configuration',
-                                            ['portfolioquota'],$udom);
-    if ($defaults{'portfolioquota'} ne '') {
-        return $defaults{'portfolioquota'};
+    my ($udom,$inststatus) = @_;
+    my ($defquota,$settingstatus);
+    my %quotahash = &Apache::lonnet::get_dom('configuration',
+                                            ['quota'],$udom);
+    if (ref($quotahash{'quota'}) eq 'HASH') {
+        if ($inststatus ne '') {
+            my @statuses = split(/:/,$inststatus);
+            foreach my $item (@statuses) {
+                if ($quotahash{'quota'}{$item} ne '') {
+                    if ($defquota eq '') {
+                        $defquota = $quotahash{'quota'}{$item};
+                        $settingstatus = $item;
+                    } elsif ($quotahash{'quota'}{$item} > $defquota) {
+                        $defquota = $quotahash{'quota'}{$item};
+                        $settingstatus = $item;
+                    }
+                }
+            }
+        }
+        if ($defquota eq '') {
+            $defquota = $quotahash{'quota'}{'default'};
+            $settingstatus = 'default';
+        }
     } else {
-        return '20';
+        $settingstatus = 'default';
+        $defquota = 20;
+    }
+    if (wantarray) {
+        return ($defquota,$settingstatus);
+    } else {
+        return $defquota;
     }
 }
 
@@ -4739,8 +6156,291 @@ sub get_secgrprole_info {
     return (\@sections,\@groups,$allroles,$rolehash,$accesshash);
 }
 
+sub user_picker {
+    my ($dom,$srch,$forcenewuser,$caller) = @_;
+    my $currdom = $dom;
+    my %curr_selected = (
+                        srchin => 'dom',
+                        srchby => 'lastname',
+                      );
+    my $srchterm;
+    if (ref($srch) eq 'HASH') {
+        if ($srch->{'srchby'} ne '') {
+            $curr_selected{'srchby'} = $srch->{'srchby'};
+        }
+        if ($srch->{'srchin'} ne '') {
+            $curr_selected{'srchin'} = $srch->{'srchin'};
+        }
+        if ($srch->{'srchtype'} ne '') {
+            $curr_selected{'srchtype'} = $srch->{'srchtype'};
+        }
+        if ($srch->{'srchdomain'} ne '') {
+            $currdom = $srch->{'srchdomain'};
+        }
+        $srchterm = $srch->{'srchterm'};
+    }
+    my %lt=&Apache::lonlocal::texthash(
+                    'usr'       => 'Search criteria',
+                    'doma'      => 'Domain/institution to search',
+                    'uname'     => 'username',
+                    'lastname'  => 'last name',
+                    'lastfirst' => 'last name, first name',
+                    'crs'       => 'in this course',
+                    'dom'       => 'in selected LON-CAPA domain', 
+                    'alc'       => 'all LON-CAPA',
+                    'instd'     => 'in institutional directory for selected domain',
+                    'exact'     => 'is',
+                    'contains'  => 'contains',
+                    'begins'    => 'begins with',
+                    'youm'      => "You must include some text to search for.",
+                    'thte'      => "The text you are searching for must contain at least two characters when using a 'begins' type search.",
+                    'thet'      => "The text you are searching for must contain at least three characters when using a 'contains' type search.",
+                    'yomc'      => "You must choose a domain when using an institutional directory search.",
+                    'ymcd'      => "You must choose a domain when using a domain search.",
+                    'whus'      => "When using searching by last,first you must include a comma as separator between last name and first name.",
+                    'whse'      => "When searching by last,first you must include at least one character in the first name.",
+                     'thfo'     => "The following need to be corrected before the search can be run:",
+                                       );
+    my $domform = &select_dom_form($currdom,'srchdomain',1,1);
+    my $srchinsel = ' <select name="srchin">';
+
+    my @srchins = ('crs','dom','alc','instd');
+
+    foreach my $option (@srchins) {
+        # FIXME 'alc' option unavailable until 
+        #       loncreateuser::print_user_query_page()
+        #       has been completed.
+        next if ($option eq 'alc');
+        next if ($option eq 'crs' && !$env{'request.course.id'});
+        if ($curr_selected{'srchin'} eq $option) {
+            $srchinsel .= ' 
+   <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
+        } else {
+            $srchinsel .= '
+   <option value="'.$option.'">'.$lt{$option}.'</option>';
+        }
+    }
+    $srchinsel .= "\n  </select>\n";
+
+    my $srchbysel =  ' <select name="srchby">';
+    foreach my $option ('lastname','lastfirst','uname') {
+        if ($curr_selected{'srchby'} eq $option) {
+            $srchbysel .= '
+   <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
+        } else {
+            $srchbysel .= '
+   <option value="'.$option.'">'.$lt{$option}.'</option>';
+         }
+    }
+    $srchbysel .= "\n  </select>\n";
+
+    my $srchtypesel = ' <select name="srchtype">';
+    foreach my $option ('begins','contains','exact') {
+        if ($curr_selected{'srchtype'} eq $option) {
+            $srchtypesel .= '
+   <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
+        } else {
+            $srchtypesel .= '
+   <option value="'.$option.'">'.$lt{$option}.'</option>';
+        }
+    }
+    $srchtypesel .= "\n  </select>\n";
+
+    my ($newuserscript,$new_user_create);
+
+    if ($forcenewuser) {
+        if (ref($srch) eq 'HASH') {
+            if ($srch->{'srchby'} eq 'uname' && $srch->{'srchtype'} eq 'exact' && $srch->{'srchin'} eq 'dom' && $srch->{'srchdomain'} eq $env{'request.role.domain'}) {
+	        $new_user_create = '<p> <input type="submit" name="forcenew" value="'.&HTML::Entities::encode(&mt('Make new user "[_1]"',$srchterm),'<>&"').'" onclick="javascript:setSearch(\'1\','.$caller.');" /> </p>';
+            }
+        }
+
+        $newuserscript = <<"ENDSCRIPT";
+
+function setSearch(createnew,callingForm) {
+    if (createnew == 1) {
+        for (var i=0; i<callingForm.srchby.length; i++) {
+            if (callingForm.srchby.options[i].value == 'uname') {
+                callingForm.srchby.selectedIndex = i;
+            }
+        }
+        for (var i=0; i<callingForm.srchin.length; i++) {
+            if ( callingForm.srchin.options[i].value == 'dom') {
+		callingForm.srchin.selectedIndex = i;
+            }
+        }
+        for (var i=0; i<callingForm.srchtype.length; i++) {
+            if (callingForm.srchtype.options[i].value == 'exact') {
+                callingForm.srchtype.selectedIndex = i;
+            }
+        }
+        for (var i=0; i<callingForm.srchdomain.length; i++) {
+            if (callingForm.srchdomain.options[i].value == '$env{'request.role.domain'}') {
+                callingForm.srchdomain.selectedIndex = i;
+            }
+        }
+    }
+}
+ENDSCRIPT
+
+    }
+
+    my $output = <<"END_BLOCK";
+<script type="text/javascript">
+function validateEntry(callingForm) {
+
+    var checkok = 1;
+    var srchin;
+    for (var i=0; i<callingForm.srchin.length; i++) {
+	if ( callingForm.srchin[i].checked ) {
+	    srchin = callingForm.srchin[i].value;
+	}
+    }
+
+    var srchtype = callingForm.srchtype.options[callingForm.srchtype.selectedIndex].value;
+    var srchby = callingForm.srchby.options[callingForm.srchby.selectedIndex].value;
+    var srchdomain = callingForm.srchdomain.options[callingForm.srchdomain.selectedIndex].value;
+    var srchterm =  callingForm.srchterm.value;
+    var srchin = callingForm.srchin.options[callingForm.srchin.selectedIndex].value;
+    var msg = "";
+
+    if (srchterm == "") {
+        checkok = 0;
+        msg += "$lt{'youm'}\\n";
+    }
+
+    if (srchtype== 'begins') {
+        if (srchterm.length < 2) {
+            checkok = 0;
+            msg += "$lt{'thte'}\\n";
+        }
+    }
+
+    if (srchtype== 'contains') {
+        if (srchterm.length < 3) {
+            checkok = 0;
+            msg += "$lt{'thet'}\\n";
+        }
+    }
+    if (srchin == 'instd') {
+        if (srchdomain == '') {
+            checkok = 0;
+            msg += "$lt{'yomc'}\\n";
+        }
+    }
+    if (srchin == 'dom') {
+        if (srchdomain == '') {
+            checkok = 0;
+            msg += "$lt{'ymcd'}\\n";
+        }
+    }
+    if (srchby == 'lastfirst') {
+        if (srchterm.indexOf(",") == -1) {
+            checkok = 0;
+            msg += "$lt{'whus'}\\n";
+        }
+        if (srchterm.indexOf(",") == srchterm.length -1) {
+            checkok = 0;
+            msg += "$lt{'whse'}\\n";
+        }
+    }
+    if (checkok == 0) {
+        alert("$lt{'thfo'}\\n"+msg);
+        return;
+    }
+    if (checkok == 1) {
+        callingForm.submit();
+    }
+}
+
+$newuserscript
+
+</script>
+
+$new_user_create
+
+<table>
+ <tr>
+  <td>$lt{'doma'}:</td>
+  <td>$domform</td>
+  </td>
+ </tr>
+ <tr>
+  <td>$lt{'usr'}:</td>
+  <td>$srchbysel
+      $srchtypesel 
+      <input type="text" size="15" name="srchterm" value="$srchterm" />
+      $srchinsel 
+  </td>
+ </tr>
+</table>
+<br />
+END_BLOCK
+
+    return $output;
+}
+
+sub username_rule_check {
+    my ($srch,$caller) = @_;
+    my ($response,@curr_rules,%inst_results,$rulematch);
+    my ($rules,$ruleorder) = &Apache::lonnet::inst_userrules($srch->{'srchdomain'});
+    if (ref($srch) eq 'HASH') {
+        (my $inst_response,%inst_results) = 
+            &Apache::lonnet::get_instuser($srch->{'srchdomain'},
+                                          $srch->{'srchterm'});
+        my %domconfig = &Apache::lonnet::get_dom('configuration',
+                              ['usercreation'],$srch->{'srchdomain'});
+        if (ref($domconfig{'usercreation'}) eq 'HASH') {
+            if (ref($domconfig{'usercreation'}{'username_rule'}) eq 'ARRAY') {
+                @curr_rules = @{$domconfig{'usercreation'}{'username_rule'}};
+            }
+        }
+        if (@curr_rules > 0) {
+            my $domdesc = &Apache::lonnet::domain($srch->{'srchdomain'},'description');
+            my $instuser_reqd;
+            my %rule_check = &Apache::lonnet::inst_rulecheck($srch->{'srchdomain'},$srch->{'srchterm'},\@curr_rules);
+            foreach my $rule (@curr_rules) {
+                if ($rule_check{$rule}) {
+                    $rulematch = $rule;
+                    if ($inst_response eq 'ok') {
+                        if (keys(%inst_results) == 0) {
+                            if ($caller eq 'new') {
+                                $response = &mt('The username you chose matches the format of usernames defined for <span class="LC_cusr_emph">[_1]</span>, but the user does not exist in the institutional directory.',$domdesc).'<br />'.&mt("You must choose a username with a different format -- one that will not conflict with 'official' institutional usernames.");
+                            }
+                        }
+                    }
+                    last;
+                }
+            }
+            if ($response) {
+                if ((ref($rules) eq 'HASH') && (ref($ruleorder) eq 'ARRAY')) {
+                    if (@{$ruleorder} > 0) {
+                        $response .= '<br />'.&mt('Usernames with the following format(s) may <span class="LC_cusr_emph">only</span> be used for verified users at [_1]:',$domdesc).' <ul>';
+                        foreach my $rule (@{$ruleorder}) {
+                            if (grep(/^\Q$rule\E$/,@curr_rules)) {
+                                if (ref($rules->{$rule}) eq 'HASH') {
+                                    $response .= '<li>'.$rules->{$rule}{'name'}.': '.
+                                                 $rules->{$rule}{'desc'}.'</li>';
+                                }
+                            }
+                        }
+                    }
+                    $response .= '</ul>';
+                }
+            }
+        }
+    }
+    return ($response,$rulematch,$rules,%inst_results);
+}
+
 =pod
 
+=back
+
+=head1 HTTP Helpers
+
+=over 4
+
 =item * get_unprocessed_cgi($query,$possible_names)
 
 Modify the %env hash to contain unprocessed CGI form parameters held in
@@ -4990,23 +6690,50 @@ sub record_sep {
             $i++;
         }
     } else {
-        my @allfields=split(/\,/,$record);
+        my $separator=',';
+        if ($env{'form.upfiletype'} eq 'semisv') {
+            $separator=';';
+        }
         my $i=0;
-        my $j;
-        for ($j=0;$j<=$#allfields;$j++) {
-            my $field=$allfields[$j];
-            if ($field=~/^\s*(\"|\')/) {
-		my $delimiter=$1;
-                while (($field!~/$delimiter$/) && ($j<$#allfields)) {
-		    $j++;
-		    $field.=','.$allfields[$j];
-		}
-                $field=~s/^\s*$delimiter//;
-                $field=~s/$delimiter\s*$//;
-            }
-            $components{&takeleft($i)}=$field;
-	    $i++;
+# the character we are looking for to indicate the end of a quote or a record 
+        my $looking_for=$separator;
+# do not add the characters to the fields
+        my $ignore=0;
+# we just encountered a separator (or the beginning of the record)
+        my $just_found_separator=1;
+# store the field we are working on here
+        my $field='';
+# work our way through all characters in record
+        foreach my $character ($record=~/(.)/g) {
+            if ($character eq $looking_for) {
+               if ($character ne $separator) {
+# Found the end of a quote, again looking for separator
+                  $looking_for=$separator;
+                  $ignore=1;
+               } else {
+# Found a separator, store away what we got
+                  $components{&takeleft($i)}=$field;
+	          $i++;
+                  $just_found_separator=1;
+                  $ignore=0;
+                  $field='';
+               }
+               next;
+            }
+# single or double quotation marks after a separator indicate beginning of a quote
+# we are now looking for the end of the quote and need to ignore separators
+            if ((($character eq '"') || ($character eq "'")) && ($just_found_separator))  {
+               $looking_for=$character;
+               next;
+            }
+# ignore would be true after we reached the end of a quote
+            if ($ignore) { next; }
+            if (($just_found_separator) && ($character=~/\s/)) { next; }
+            $field.=$character;
+            $just_found_separator=0; 
         }
+# catch the very last entry, since we never encountered the separator
+        $components{&takeleft($i)}=$field;
     }
     return %components;
 }
@@ -5028,6 +6755,7 @@ the file type.
 sub upfile_select_html {
     my %Types = (
                  csv   => &mt('CSV (comma separated values, spreadsheet)'),
+                 semisv => &mt('Semicolon separated values'),
                  space => &mt('Space separated'),
                  tab   => &mt('Tabulator separated'),
 #                 xml   => &mt('HTML/XML'),
@@ -5076,20 +6804,21 @@ sub csv_print_samples {
     my ($r,$records) = @_;
     my $samples = &get_samples($records,3);
 
-    $r->print(&mt('Samples').'<br /><table border="2"><tr>');
+    $r->print(&mt('Samples').'<br />'.&start_data_table().
+              &start_data_table_header_row());
     foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) { 
         $r->print('<th>'.&mt('Column&nbsp;[_1]',($sample+1)).'</th>'); }
-    $r->print('</tr>');
+    $r->print(&end_data_table_header_row());
     foreach my $hash (@$samples) {
-	$r->print('<tr>');
+	$r->print(&start_data_table_row());
 	foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
 	    $r->print('<td>');
 	    if (defined($$hash{$sample})) { $r->print($$hash{$sample}); }
 	    $r->print('</td>');
 	}
-	$r->print('</tr>');
+	$r->print(&end_data_table_row());
     }
-    $r->print('</tr></table><br />'."\n");
+    $r->print(&end_data_table().'<br />'."\n");
 }
 
 ######################################################
@@ -5114,12 +6843,13 @@ sub csv_print_select_table {
     my $i=0;
     my $samples = &get_samples($records,1);
     $r->print(&mt('Associate columns with student attributes.')."\n".
-	     '<table border="2"><tr>'.
+	      &start_data_table().&start_data_table_header_row().
               '<th>'.&mt('Attribute').'</th>'.
-              '<th>'.&mt('Column').'</th></tr>'."\n");
+              '<th>'.&mt('Column').'</th>'.
+              &end_data_table_header_row()."\n");
     foreach my $array_ref (@$d) {
 	my ($value,$display,$defaultcol)=@{ $array_ref };
-	$r->print('<tr><td>'.$display.'</td>');
+	$r->print(&start_data_table_row().'<tr><td>'.$display.'</td>');
 
 	$r->print('<td><select name=f'.$i.
 		  ' onchange="javascript:flip(this.form,'.$i.');">');
@@ -5129,9 +6859,10 @@ sub csv_print_select_table {
                       ($sample eq $defaultcol ? ' selected="selected" ' : '').
                       '>Column '.($sample+1).'</option>');
 	}
-	$r->print('</select></td></tr>'."\n");
+	$r->print('</select></td>'.&end_data_table_row()."\n");
 	$i++;
     }
+    $r->print(&end_data_table());
     $i--;
     return $i;
 }
@@ -5158,11 +6889,13 @@ sub csv_samples_select_table {
     my $i=0;
     #
     my $samples = &get_samples($records,3);
-    $r->print('<table border=2><tr><th>'.
-              &mt('Field').'</th><th>'.&mt('Samples').'</th></tr>');
+    $r->print(&start_data_table().
+              &start_data_table_header_row().'<th>'.
+              &mt('Field').'</th><th>'.&mt('Samples').'</th>'.
+              &end_data_table_header_row());
 
     foreach my $key (sort(keys(%{ $samples->[0] }))) {
-	$r->print('<tr><td><select name="f'.$i.'"'.
+	$r->print(&start_data_table_row().'<td><select name="f'.$i.'"'.
 		  ' onchange="javascript:flip(this.form,'.$i.');">');
 	foreach my $option (@$d) {
 	    my ($value,$display,$defaultcol)=@{ $option };
@@ -5176,9 +6909,10 @@ sub csv_samples_select_table {
 		$r->print($samples->[$line]{$key}."<br />\n"); 
 	    }
 	}
-	$r->print('</td></tr>');
+	$r->print('</td>'.&end_data_table_row());
 	$i++;
     }
+    $r->print(&end_data_table());
     $i--;
     return($i);
 }
@@ -5682,16 +7416,19 @@ Returns: both routines return nothing
 #######################################################
 #######################################################
 sub store_course_settings {
+    return &store_settings($env{'request.course.id'},@_);
+}
+
+sub store_settings {
     # save to the environment
     # appenv the same items, just to be safe
-    my $courseid = $env{'request.course.id'};
     my $udom  = $env{'user.domain'};
     my $uname = $env{'user.name'};
-    my ($prefix,$Settings) = @_;
+    my ($context,$prefix,$Settings) = @_;
     my %SaveHash;
     my %AppHash;
     while (my ($setting,$type) = each(%$Settings)) {
-        my $basename = join('.','internal',$courseid,$prefix,$setting);
+        my $basename = join('.','internal',$context,$prefix,$setting);
         my $envname = 'environment.'.$basename;
         if (exists($env{'form.'.$setting})) {
             # Save this value away
@@ -5731,11 +7468,14 @@ sub store_course_settings {
 }
 
 sub restore_course_settings {
-    my $courseid = $env{'request.course.id'};
-    my ($prefix,$Settings) = @_;
+    return &restore_settings($env{'request.course.id'},@_);
+}
+
+sub restore_settings {
+    my ($context,$prefix,$Settings) = @_;
     while (my ($setting,$type) = each(%$Settings)) {
         next if (exists($env{'form.'.$setting}));
-        my $envname = 'environment.internal.'.$courseid.'.'.$prefix.
+        my $envname = 'environment.internal.'.$context.'.'.$prefix.
             '.'.$setting;
         if (exists($env{$envname})) {
             if ($type eq 'scalar') {
@@ -5766,35 +7506,53 @@ sub commit_customrole {
 }
 
 sub commit_standardrole {
-    my ($udom,$uname,$url,$three,$start,$end,$one,$two,$sec) = @_;
-    my $output;
-    my $logmsg;
+    my ($udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
+    my ($output,$logmsg,$linefeed);
+    if ($context eq 'auto') {
+        $linefeed = "\n";
+    } else {
+        $linefeed = "<br />\n";
+    }  
     if ($three eq 'st') {
-        my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec);
-        if (($result =~ /^error/) || ($result eq 'not_in_class') || ($result eq 'unknown_course')) {
+        my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$three,$start,$end,
+                                         $one,$two,$sec,$context);
+        if (($result =~ /^error/) || ($result eq 'not_in_class') || 
+            ($result eq 'unknown_course')) {
             $output = "Error: $result\n"; 
         } else {
-            $output = &mt('Assigning').' '.$three.' in '.$url.
+            $output = $logmsg.$linefeed.&mt('Assigning').' '.$three.' in '.$url.
                ($start?', '.&mt('starting').' '.localtime($start):'').
-               ($end?', '.&mt('ending').' '.localtime($end):'').
-               ': <b>'.$result.'</b><br />'.
-               &mt('Add to classlist').': <b>ok</b><br />';
+               ($end?', '.&mt('ending').' '.localtime($end):'').': ';
+            if ($context eq 'auto') {
+                $output .= $result.$linefeed.&mt('Add to classlist').': ok';
+            } else {
+               $output .= '<b>'.$result.'</b>'.$linefeed.
+               &mt('Add to classlist').': <b>ok</b>';
+            }
+            $output .= $linefeed;
         }
     } else {
         $output = &mt('Assigning').' '.$three.' in '.$url.
                ($start?', '.&mt('starting').' '.localtime($start):'').
-               ($end?', '.&mt('ending').' '.localtime($end):'').': <b>'.
-               &Apache::lonnet::assignrole(
-                   $udom,$uname,$url,$three,$end,$start).
-                   '</b><br />';
+               ($end?', '.&mt('ending').' '.localtime($end):'').': ';
+        my $result = &Apache::lonnet::assignrole($udom,$uname,$url,$three,$end,$start);
+        if ($context eq 'auto') {
+            $output .= $result.$linefeed;
+        } else {
+            $output .= '<b>'.$result.'</b>'.$linefeed;
+        }
     }
     return $output;
 }
 
 sub commit_studentrole {
-    my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec) = @_;
-    my $linefeed =  '<br />'."\n";
-    my $result;
+    my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
+    my ($result,$linefeed);
+    if ($context eq 'auto') {
+        $linefeed = "\n";
+    } else {
+        $linefeed = '<br />'."\n";
+    }
     if (defined($one) && defined($two)) {
         my $cid=$one.'_'.$two;
         my $oldsec=&Apache::lonnet::getsection($udom,$uname,$cid);
@@ -5840,9 +7598,70 @@ sub commit_studentrole {
 ############################################################
 ############################################################
 
+sub check_clone {
+    my ($args,$linefeed) = @_;
+    my $cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'};
+    my ($clonecrsudom,$clonecrsunum)= &LONCAPA::split_courseid($cloneid);
+    my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
+    my $clonemsg;
+    my $can_clone = 0;
+
+    if ($clonehome eq 'no_host') {
+        $clonemsg = &mt('No new course created.').$linefeed.&mt('A new course could not be cloned from the specified original - [_1] - because it is a non-existent course.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});     
+    } else {
+	my %clonedesc = &Apache::lonnet::coursedescription($cloneid,{'one_time' => 1});
+	if ($env{'request.role.domain'} eq $args->{'clonedomain'}) {
+	    $can_clone = 1;
+	} else {
+	    my %clonehash = &Apache::lonnet::get('environment',['cloners'],
+						 $args->{'clonedomain'},$args->{'clonecourse'});
+	    my @cloners = split(/,/,$clonehash{'cloners'});
+            if (grep(/^\*$/,@cloners)) {
+                $can_clone = 1;
+            } elsif (grep(/^\*\:\Q$args->{'ccdomain'}\E$/,@cloners)) {
+                $can_clone = 1;
+            } else {
+	        my %roleshash =
+		    &Apache::lonnet::get_my_roles($args->{'ccuname'},
+					 $args->{'ccdomain'},
+                                         'userroles',['active'],['cc'],
+					 [$args->{'clonedomain'}]);
+	        if (($roleshash{$args->{'clonecourse'}.':'.$args->{'clonedomain'}.':cc'}) || (grep(/^\Q$args->{'ccuname'}\E:\Q$args->{'ccdomain'}\E$/,@cloners))) {
+		    $can_clone = 1;
+	        } else {
+                    $clonemsg = &mt('No new course created.').$linefeed.&mt('The new course could not be cloned from the existing course because the new course owner ([_1]) does not have cloning rights in the existing course ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'});
+	        }
+	    }
+        }
+    }
+    return ($can_clone, $clonemsg, $cloneid, $clonehome);
+}
+
 sub construct_course {
-    my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname) = @_;
+    my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context) = @_;
     my $outcome;
+    my $linefeed =  '<br />'."\n";
+    if ($context eq 'auto') {
+        $linefeed = "\n";
+    }
+
+#
+# Are we cloning?
+#
+    my ($can_clone, $clonemsg, $cloneid, $clonehome);
+    if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) {
+	($can_clone, $clonemsg, $cloneid, $clonehome) = &check_clone($args,$linefeed);
+	if ($context ne 'auto') {
+            if ($clonemsg ne '') {
+	        $clonemsg = '<span class="LC_error">'.$clonemsg.'</span>';
+            }
+	}
+	$outcome .= $clonemsg.$linefeed;
+
+        if (!$can_clone) {
+	    return (0,$outcome);
+	}
+    }
 
 #
 # Open course
@@ -5863,44 +7682,40 @@ sub construct_course {
     # Utils::Course. This needs to at least be output as a comment
     # if anyone ever decides to not show this, and Utils::Course::new
     # will need to be suitably modified.
-    $outcome .= &mt('New LON-CAPA [_1] ID: [_2]<br />',$crstype,$$courseid);
+    $outcome .= &mt('New LON-CAPA [_1] ID: [_2]',$crstype,$$courseid).$linefeed;
 #
 # Check if created correctly
 #
-    ($$crsudom,$$crsunum)=($$courseid=~/^\/(\w+)\/(\w+)$/);
+    ($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid);
     my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom);
-    $outcome .= &mt('Created on').': '.$crsuhome.'<br>';
-#
-# Are we cloning?
+    $outcome .= &mt('Created on').': '.$crsuhome.$linefeed;
+
 #
-    my $cloneid='';
-    if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) {
-	$cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'};
-        my ($clonecrsudom,$clonecrsunum)=($cloneid=~/^\/(\w+)\/(\w+)$/);
-	my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
-	if ($clonehome eq 'no_host') {
-	    $outcome .=
-    '<br /><font color="red">'.&mt('Attempting to clone non-existing [_1]',$crstype).' '.$cloneid.'</font>';
-	} else {
-	    $outcome .= 
-    '<br /><font color="green">'.&mt('Cloning [_1] from [_2]',$crstype,$clonehome).'</font>';
-	    my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);
+# Do the cloning
+#   
+    if ($can_clone && $cloneid) {
+	$clonemsg = &mt('Cloning [_1] from [_2]',$crstype,$clonehome);
+	if ($context ne 'auto') {
+	    $clonemsg = '<span class="LC_success">'.$clonemsg.'</span>';
+	}
+	$outcome .= $clonemsg.$linefeed;
+	my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);
 # Copy all files
-	    &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid);
+	&Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid);
 # Restore URL
-	    $cenv{'url'}=$oldcenv{'url'};
+	$cenv{'url'}=$oldcenv{'url'};
 # Restore title
-	    $cenv{'description'}=$oldcenv{'description'};
+	$cenv{'description'}=$oldcenv{'description'};
 # restore grading mode
-	    if (defined($oldcenv{'grading'})) {
-		$cenv{'grading'}=$oldcenv{'grading'};
-	    }
-# Mark as cloned
-	    $cenv{'clonedfrom'}=$cloneid;
-	    delete($cenv{'default_enrollment_start_date'});
-	    delete($cenv{'default_enrollment_end_date'});
+	if (defined($oldcenv{'grading'})) {
+	    $cenv{'grading'}=$oldcenv{'grading'};
 	}
+# Mark as cloned
+	$cenv{'clonedfrom'}=$cloneid;
+	delete($cenv{'default_enrollment_start_date'});
+	delete($cenv{'default_enrollment_end_date'});
     }
+
 #
 # Set environment (will override cloned, if existing)
 #
@@ -6004,11 +7819,24 @@ sub construct_course {
                 'dnhr' => 'does not have rights to access enrollment in these classes',
                 'adby' => 'as determined by the policies of your institution on access to official classlists'
         );
-        $outcome .= '<font color="red">'.$lt{'tclb'}.' ('.$cenv{'internal.courseowner'}.') - '.$lt{'dnhr'}.' ('.$lt{'adby'}.').<br /><ul>'."\n";
-        foreach (@badclasses) {
-            $outcome .= "<li>$_</li>\n";
-        }
-        $outcome .= "</ul><br /><br /></font>\n";
+        my $badclass_msg = $cenv{'internal.courseowner'}.') - '.$lt{'dnhr'}.
+                           ' ('.$lt{'adby'}.')';
+        if ($context eq 'auto') {
+            $outcome .= $badclass_msg.$linefeed;
+            $outcome .= '<div class="LC_warning">'.$badclass_msg.$linefeed.'<ul>'."\n";
+            foreach my $item (@badclasses) {
+                if ($context eq 'auto') {
+                    $outcome .= " - $item\n";
+                } else {
+                    $outcome .= "<li>$item</li>\n";
+                }
+            }
+            if ($context eq 'auto') {
+                $outcome .= $linefeed;
+            } else {
+                $outcome .= "</ul><br /><br /></div>\n";
+            }
+        } 
     }
     if ($args->{'no_end_date'}) {
         $args->{'endaccess'} = 0;
@@ -6024,8 +7852,13 @@ sub construct_course {
     $cenv{'internal.autharg'} = $args->{'autharg'}; 
     if ( ($cenv{'internal.authtype'} =~ /^krb/) && ($cenv{'internal.autoadds'} == 1)) {
         if (! defined($cenv{'internal.autharg'}) || $cenv{'internal.autharg'}  eq '') {
-            $outcome .= '<font color="red" size="+1">'.
-                      &mt('As you did not include the default Kerberos domain to be used for authentication in this class, the institutional data used by the automated enrollment process must include the Kerberos domain for each new student').'</font></p>';
+            my $krb_msg = &mt('As you did not include the default Kerberos domain to be used for authentication in this class, the institutional data used by the automated enrollment process must include the Kerberos domain for each new student'); 
+            if ($context eq 'auto') {
+                $outcome .= $krb_msg;
+            } else {
+                $outcome .= '<span class="LC_error">'.$krb_msg.'</span>';
+            }
+            $outcome .= $linefeed;
         }
     }
     if (($args->{'ccdomain'}) && ($args->{'ccuname'})) {
@@ -6049,9 +7882,11 @@ sub construct_course {
 # if specified, key authority is not course, but user
 # only active if keyaccess is yes
     if ($args->{'keyauth'}) {
-	$args->{'keyauth'}=~s/[^\w\@]//g;
-	if ($args->{'keyauth'}) {
-	    $cenv{'keyauth'}=$args->{'keyauth'};
+	my ($user,$domain) = split(':',$args->{'keyauth'});
+	$user = &LONCAPA::clean_username($user);
+	$domain = &LONCAPA::clean_username($domain);
+	if ($user ne '' && $domain ne '') {
+	    $cenv{'keyauth'}=$user.':'.$domain;
 	}
     }
 
@@ -6079,8 +7914,8 @@ sub construct_course {
     # By default, use standard grading
     if (!defined($cenv{'grading'})) { $cenv{'grading'} = 'standard'; }
 
-    $outcome .= ('<br />'.&mt('Setting environment').': '.                 
-          &Apache::lonnet::put('environment',\%cenv,$$crsudom,$$crsunum).'<br>');
+    $outcome .= $linefeed.&mt('Setting environment').': '.                 
+          &Apache::lonnet::put('environment',\%cenv,$$crsudom,$$crsunum).$linefeed;
 #
 # Open all assignments
 #
@@ -6090,7 +7925,7 @@ sub construct_course {
                            $storeunder.'.type' => 'date_start');
        
        $outcome .= &mt('Opening all assignments').': '.&Apache::lonnet::cput
-                 ('resourcedata',\%storecontent,$$crsudom,$$crsunum).'<br>';
+                 ('resourcedata',\%storecontent,$$crsudom,$$crsunum).$linefeed;
    }
 #
 # Set first page
@@ -6117,9 +7952,10 @@ sub construct_course {
 	(my $outtext,$errtext) = &LONCAPA::map::storemap($map,1);
 
 	if ($errtext) { $fatal=2; }
-        $outcome .= ($fatal?$errtext:'write ok').'<br />';
+        $outcome .= ($fatal?$errtext:'write ok').$linefeed;
     }
-    return $outcome;
+
+    return (1,$outcome);
 }
 
 ############################################################
@@ -6148,7 +7984,7 @@ sub group_term {
 
 sub icon {
     my ($file)=@_;
-    my $curfext = (split(/\./,$file))[-1];
+    my $curfext = lc((split(/\./,$file))[-1]);
     my $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/unknown.gif';
     my $embstyle = &Apache::loncommon::fileembstyle($curfext);
     if (!(!defined($embstyle) || $embstyle eq 'unk' || $embstyle eq 'hdn')) {
@@ -6162,10 +7998,27 @@ sub icon {
     return &lonhttpdurl($iconname);
 } 
 
-sub lonhttpdurl {
-    my ($url)=@_;
+sub lonhttpd_port {
     my $lonhttpd_port=$Apache::lonnet::perlvar{'lonhttpdPort'};
     if (!defined($lonhttpd_port)) { $lonhttpd_port='8080'; }
+    # IE doesn't like a secure page getting images from a non-secure
+    # port (when logging we haven't parsed the browser type so default
+    # back to secure
+    if ((!exists($env{'browser.type'}) || $env{'browser.type'} eq 'explorer')
+	&& $ENV{'SERVER_PORT'} == 443) {
+	return 443;
+    }
+    return $lonhttpd_port;
+
+}
+
+sub lonhttpdurl {
+    my ($url)=@_;
+
+    my $lonhttpd_port = &lonhttpd_port();
+    if ($lonhttpd_port == 443) {
+	return 'https://'.$ENV{'SERVER_NAME'}.$url;
+    }
     return 'http://'.$ENV{'SERVER_NAME'}.':'.$lonhttpd_port.$url;
 }