--- loncom/homework/grades.pm	2007/03/14 23:39:39	1.393
+++ loncom/homework/grades.pm	2007/06/25 22:23:27	1.399.2.2
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Grading handler
 #
-# $Id: grades.pm,v 1.393 2007/03/14 23:39:39 albertel Exp $
+# $Id: grades.pm,v 1.399.2.2 2007/06/25 22:23:27 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -94,6 +94,7 @@ sub get_symb {
 	    return ();
 	}
     }
+    &Apache::lonenc::check_decrypt(\$symb);
     return ($symb);
 }
 
@@ -102,10 +103,10 @@ sub get_symb {
 sub nameUserString {
     my ($type,$fullname,$uname,$udom) = @_;
     if ($type eq 'header') {
-	return '<b>&nbsp;Fullname&nbsp;</b><font color="#999999">(Username)</font>';
+	return '<b>&nbsp;Fullname&nbsp;</b><span class="LC_internal_info">(Username)</span>';
     } else {
-	return '&nbsp;'.$fullname.'<font color="#999999">&nbsp;('.$uname.
-	    ($env{'user.domain'} eq $udom ? '' : ' ('.$udom.')').')</font>';
+	return '&nbsp;'.$fullname.'<span class="LC_internal_info">&nbsp;('.$uname.
+	    ($env{'user.domain'} eq $udom ? '' : ' ('.$udom.')').')</span>';
     }
 }
 
@@ -151,7 +152,7 @@ sub get_display_part {
     my ($partID,$symb)=@_;
     my $display=&Apache::lonnet::EXT('resource.'.$partID.'.display',$symb);
     if (defined($display) and $display ne '') {
-	$display.= " (<font color=\"#999900\">id $partID</font>)";
+	$display.= " (<span class=\"LC_internal_info\">id $partID</span>)";
     } else {
 	$display=$partID;
     }
@@ -164,9 +165,8 @@ sub showResourceInfo {
     my ($symb,$probTitle,$checkboxes) = @_;
     my $col=3;
     if ($checkboxes) { $col=4; }
-    my $result ='<table border="0">'.
-	'<tr><td colspan="'.$col.'"><font size="+1"><b>'.&mt('Current Resource').': </b>'.
-	$probTitle.'</font></td></tr>'."\n";
+    my $result = '<h3>'.&mt('Current Resource').': '.$probTitle.'</h3>'."\n";
+    $result .='<table border="0">';
     my ($partlist,$handgrade,$responseType) = &response_type($symb);
     my %resptype = ();
     my $hdgrade='no';
@@ -186,8 +186,8 @@ sub showResourceInfo {
 		$partsseen{$partID}=1;
 	    }
 	    my $display_part=&get_display_part($partID,$symb);
-	    $result.='<td><b>Part: </b>'.$display_part.' <font color="#999999">'.
-		$resID.'</font></td>'.
+	    $result.='<td><b>Part: </b>'.$display_part.' <span class="LC_internal_info">'.
+		$resID.'</span></td>'.
 		'<td><b>Type: </b>'.$responsetype.'</td></tr>';
 #	    '<td><b>Handgrade: </b>'.$handgrade.'</td></tr>';
 	}
@@ -218,7 +218,7 @@ sub get_order {
 sub cleanRecord {
     my ($answer,$response,$symb,$partid,$respid,$record,$order,$version,
 	$uname,$udom) = @_;
-    my $grayFont = '<font color="#999999">';
+    my $grayFont = '<span class="LC_internal_info">';
     if ($response =~ /^(option|rank)$/) {
 	my %answer=&Apache::lonnet::str2hash($answer);
 	my %grading=&Apache::lonnet::str2hash($record->{$version."resource.$partid.$respid.submissiongrading"});
@@ -229,11 +229,11 @@ sub cleanRecord {
 	    } else {
 		$toprow.='<td><i>'.$answer{$foil}.'&nbsp;</i></td>';
 	    }
-	    $bottomrow.='<td>'.$grayFont.$foil.'</font>&nbsp;</td>';
+	    $bottomrow.='<td>'.$grayFont.$foil.'</span>&nbsp;</td>';
 	}
 	return '<blockquote><table border="1">'.
 	    '<tr valign="top"><td>Answer</td>'.$toprow.'</tr>'.
-	    '<tr valign="top"><td>'.$grayFont.'Option ID</font></td>'.
+	    '<tr valign="top"><td>'.$grayFont.'Option ID</span></td>'.
 	    $grayFont.$bottomrow.'</tr>'.'</table></blockquote>';
     } elsif ($response eq 'match') {
 	my %answer=&Apache::lonnet::str2hash($answer);
@@ -244,18 +244,18 @@ sub cleanRecord {
 	    my $item=shift(@items);
 	    if ($grading{$foil} == 1) {
 		$toprow.='<td><b>'.$item.'&nbsp;</b></td>';
-		$middlerow.='<td><b>'.$grayFont.$answer{$foil}.'&nbsp;</font></b></td>';
+		$middlerow.='<td><b>'.$grayFont.$answer{$foil}.'&nbsp;</span></b></td>';
 	    } else {
 		$toprow.='<td><i>'.$item.'&nbsp;</i></td>';
-		$middlerow.='<td><i>'.$grayFont.$answer{$foil}.'&nbsp;</font></i></td>';
+		$middlerow.='<td><i>'.$grayFont.$answer{$foil}.'&nbsp;</span></i></td>';
 	    }
-	    $bottomrow.='<td>'.$grayFont.$foil.'</font>&nbsp;</td>';
+	    $bottomrow.='<td>'.$grayFont.$foil.'</span>&nbsp;</td>';
 	}
 	return '<blockquote><table border="1">'.
 	    '<tr valign="top"><td>Answer</td>'.$toprow.'</tr>'.
-	    '<tr valign="top"><td>'.$grayFont.'Item ID</font></td>'.
+	    '<tr valign="top"><td>'.$grayFont.'Item ID</span></td>'.
 	    $middlerow.'</tr>'.
-	    '<tr valign="top"><td>'.$grayFont.'Option ID</font></td>'.
+	    '<tr valign="top"><td>'.$grayFont.'Option ID</span></td>'.
 	    $bottomrow.'</tr>'.'</table></blockquote>';
     } elsif ($response eq 'radiobutton') {
 	my %answer=&Apache::lonnet::str2hash($answer);
@@ -272,11 +272,11 @@ sub cleanRecord {
 	    } else {
 		$toprow.='<td>false</td>';
 	    }
-	    $bottomrow.='<td>'.$grayFont.$foil.'</font>&nbsp;</td>';
+	    $bottomrow.='<td>'.$grayFont.$foil.'</span>&nbsp;</td>';
 	}
 	return '<blockquote><table border="1">'.
 	    '<tr valign="top"><td>Answer</td>'.$toprow.'</tr>'.
-	    '<tr valign="top"><td>'.$grayFont.'Option ID</font></td>'.
+	    '<tr valign="top"><td>'.$grayFont.'Option ID</span></td>'.
 	    $grayFont.$bottomrow.'</tr>'.'</table></blockquote>';
     } elsif ($response eq 'essay') {
 	if (! exists ($env{'form.'.$symb})) {
@@ -494,7 +494,7 @@ sub jscriptNform {
 	'    }'."\n".
 	'</script>'."\n";
     $jscript.= '<form action="/adm/grades" method="post" name="onestudent">'."\n".
-	'<input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
+	'<input type="hidden" name="symb"    value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
 	'<input type="hidden" name="saveState" value="'.$env{'form.saveState'}.'" />'."\n".
 	'<input type="hidden" name="probTitle" value="'.$env{'form.probTitle'}.'" />'."\n".
 	'<input type="hidden" name="Status"  value="'.$env{'form.Status'}.'" />'."\n".
@@ -595,9 +595,9 @@ sub verifyreceipt {
     $receipt     =~ s/[^\-\d]//g;
     my ($symb)   = &get_symb($request);
 
-    my $title.='<h3><font color="#339933">Verifying Submission Receipt '.
-	$receipt.'</h3></font>'."\n".
-	'<font size=+1><b>Resource: </b>'.$env{'form.probTitle'}.'</font><br /><br />'."\n";
+    my $title.='<h3><span class="LC_info">Verifying Submission Receipt '.
+	$receipt.'</h3></span>'."\n".
+	'<h4><b>Resource: </b>'.$env{'form.probTitle'}.'</h4><br /><br />'."\n";
 
     my ($string,$contents,$matches) = ('','',0);
     my (undef,undef,$fullname) = &getclasslist('all','0');
@@ -668,8 +668,8 @@ sub listStudents {
     $env{'form.probTitle'} = $env{'form.probTitle'} eq '' ? 
 	&Apache::lonnet::gettitle($symb) : $env{'form.probTitle'};
 
-    my $result='<h3><font color="#339933">&nbsp;'.$viewgrade.
-	' Submissions for a Student or a Group of Students</font></h3>';
+    my $result='<h3><span class="LC_info">&nbsp;'.$viewgrade.
+	' Submissions for a Student or a Group of Students</span></h3>';
 
     my ($table,undef,$hdgrade,$partlist,$handgrade) = &showResourceInfo($symb,$env{'form.probTitle'},($env{'form.showgrading'} eq 'yes'));
 
@@ -744,7 +744,7 @@ LISTJAVASCRIPT
 	'<input type="hidden" name="showgrading" value="'.$env{'form.showgrading'}.'" /><br />'."\n".
 	'<input type="hidden" name="saveState"   value="'.$env{'form.saveState'}.'" />'."\n".
 	'<input type="hidden" name="probTitle"   value="'.$env{'form.probTitle'}.'" />'."\n".
-	'<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
+	'<input type="hidden" name="symb" value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
 	'<input type="hidden" name="saveStatusOld" value="'.$saveStatus.'" />'."\n";
 
     if (exists($env{'form.gradingMenu'}) && exists($env{'form.Status'})) {
@@ -881,15 +881,15 @@ LISTJAVASCRIPT
     if ($ctr == 0) {
 	my $num_students=(scalar(keys(%$fullname)));
 	if ($num_students eq 0) {
-	    $gradeTable='<br />&nbsp;<font color="red">There are no students currently enrolled.</font>';
+	    $gradeTable='<br />&nbsp;<span class="LC_warning">There are no students currently enrolled.</span>';
 	} else {
 	    my $submissions='submissions';
 	    if ($submitonly eq 'incorrect') { $submissions = 'incorrect submissions'; }
 	    if ($submitonly eq 'graded'   ) { $submissions = 'ungraded submissions'; }
 	    if ($submitonly eq 'queued'   ) { $submissions = 'queued submissions'; }
-	    $gradeTable='<br />&nbsp;<font color="red">'.
+	    $gradeTable='<br />&nbsp;<span class="LC_warning">'.
 		'No '.$submissions.' found for this resource for any students. ('.$num_students.
-		' students checked for '.$submissions.')</font><br />';
+		' students checked for '.$submissions.')</span><br />';
 	}
     } elsif ($ctr == 1) {
 	$gradeTable =~ s/type=checkbox/type=checkbox checked/;
@@ -953,8 +953,8 @@ sub processGroup {
     my @stuchecked = &Apache::loncommon::get_env_multiple('form.stuinfo');
     my $total      = scalar(@stuchecked)-1;
 
-    foreach (@stuchecked) {
-	my ($uname,$udom,$fullname) = split(/:/);
+    foreach my $student (@stuchecked) {
+	my ($uname,$udom,$fullname) = split(/:/,$student);
 	$env{'form.student'}        = $uname;
 	$env{'form.userdom'}        = $udom;
 	$env{'form.fullname'}       = $fullname;
@@ -1344,7 +1344,7 @@ INNERJS
 
     pDoc.write("<form action=\\"inactive\\" name=\\"msgcenter\\">");
     pDoc.write("<input value=\\""+usrctr+"\\" name=\\"usrctr\\" type=\\"hidden\\">");
-    pDoc.write("<font color=\\"green\\" size=+1>&nbsp;Compose Message for \"+fullname+\"</font><br /><br />");
+    pDoc.write("<h3><span class=\\"LC_info\\">&nbsp;Compose Message for \"+fullname+\"</span></h3><br /><br />");
 
     pDoc.write("<table border=0 width=100%><tr><td bgcolor=\\"#777777\\">");
     pDoc.write("<table border=0 width=100%><tr bgcolor=\\"#ddffff\\">");
@@ -1429,7 +1429,7 @@ INNERJS
     hDoc.$docopen;
     hDoc.write('$start_page_highlight_central');
     hDoc.write("<form action=\\"inactive\\" name=\\"hlCenter\\">");
-    hDoc.write("<font color=\\"green\\" size=+1>&nbsp;Keyword Highlight Options</font><br /><br />");
+    hDoc.write("<h3><span class=\\"LC_info\\">&nbsp;Keyword Highlight Options</span></h3><br /><br />");
 
     hDoc.write("<table border=0 width=100%><tr><td bgcolor=\\"#777777\\">");
     hDoc.write("<table border=0 width=100%><tr bgcolor=\\"#ddffff\\">");
@@ -1480,7 +1480,7 @@ sub gradeBox {
 	'/check.gif" height="16" border="0" />';
     my $wgt    = &Apache::lonnet::EXT('resource.'.$partid.'.weight',$symb,$udom,$uname);
     my $wgtmsg = ($wgt > 0 ? '(problem weight)' : 
-		  '<font color="red">problem weight assigned by computer</font>');
+		  '<span class="LC_info">problem weight assigned by computer</span>');
     $wgt       = ($wgt > 0 ? $wgt : '1');
     my $score  = ($$record{'resource.'.$partid.'.awarded'} eq '' ?
 		  '' : &compute_points($$record{'resource.'.$partid.'.awarded'},$wgt));
@@ -1627,6 +1627,43 @@ sub show_problem {
     return $result;
 }
 
+sub files_exist {
+    my ($r, $symb) = @_;
+    my @students = &Apache::loncommon::get_env_multiple('form.stuinfo');
+
+    foreach my $student (@students) {
+        my ($uname,$udom,$fullname) = split(/:/,$student);
+        my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
+					      $udom,$uname);
+        my ($string,$timestamp)= &get_last_submission(\%record);
+        foreach my $submission (@$string) {
+            my ($partid,$respid) =
+		($submission =~ /^resource\.([^\.]*)\.([^\.]*)\.submission/);
+            my $files=&get_submitted_files($udom,$uname,$partid,$respid,
+					   \%record);
+            return 1 if (@$files);
+        }
+    }
+    return 0;
+}
+
+sub download_all_link {
+    my ($r,$symb) = @_;
+    my $all_students = 
+	join("\n", &Apache::loncommon::get_env_multiple('form.stuinfo'));
+
+    my $parts =
+	join("\n",&Apache::loncommon::get_env_multiple('form.vPart'));
+
+    my $identifier = &Apache::loncommon::get_cgi_id();
+    &Apache::lonnet::appenv('cgi.'.$identifier.'.students' => $all_students,
+                            'cgi.'.$identifier.'.symb' => $symb,
+                            'cgi.'.$identifier.'.parts' => $parts,);
+    $r->print('<a href="/cgi-bin/multidownload.pl?'.$identifier.'">'.
+	      &mt('Download All Submitted Documents').'</a>');
+    return
+}
+
 # --------------------------- show submissions of a student, option to grade 
 sub submission {
     my ($request,$counter,$total) = @_;
@@ -1640,9 +1677,9 @@ sub submission {
     if ($symb eq '') { $request->print("Unable to handle ambiguous references:."); return ''; }
 
     if (!&canview($usec)) {
-	$request->print('<font color="red">Unable to view requested student.('.
-			$uname.'@'.$udom.' in section '.$usec.' in course id '.
-			$env{'request.course.id'}.')</font>');
+	$request->print('<span class="LC_warning">Unable to view requested student.('.
+			$uname.':'.$udom.' in section '.$usec.' in course id '.
+			$env{'request.course.id'}.')</span>');
 	$request->print(&show_grading_menu_form($symb));
 	return;
     }
@@ -1661,9 +1698,11 @@ sub submission {
 	&sub_page_kw_js($request) if ($env{'form.handgrade'} eq 'yes');
 	$env{'form.probTitle'} = $env{'form.probTitle'} eq '' ? 
 	    &Apache::lonnet::gettitle($symb) : $env{'form.probTitle'};
-
-	$request->print('<h3>&nbsp;<font color="#339933">Submission Record</font></h3>'."\n".
-			'<font size=+1>&nbsp;<b>Resource: </b>'.$env{'form.probTitle'}.'</font>'."\n");
+	if ($env{'form.handgrade'} eq 'yes' && &files_exist($request, $symb)) {
+	    &download_all_link($request, $symb);
+	}
+	$request->print('<h3>&nbsp;<span class="LC_info">Submission Record</span></h3>'."\n".
+			'<h4>&nbsp;<b>Resource: </b>'.$env{'form.probTitle'}.'</h4>'."\n");
 
 	if ($env{'form.handgrade'} eq 'no') {
 	    my $checkMark='<br /><br />&nbsp;<b>Note:</b> Part(s) graded correct by the computer is marked with a '.
@@ -1714,7 +1753,7 @@ sub submission {
 			'<input type="hidden" name="refresh"    value="off" />'."\n".
 			'<input type="hidden" name="studentNo"  value="" />'."\n".
 			'<input type="hidden" name="gradeOpt"   value="" />'."\n".
-			'<input type="hidden" name="symb"       value="'.$symb.'" />'."\n".
+			'<input type="hidden" name="symb"       value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
 			'<input type="hidden" name="showgrading" value="'.$env{'form.showgrading'}.'" />'."\n".
 			'<input type="hidden" name="vProb"      value="'.$env{'form.vProb'}.'" />'."\n".
 			'<input type="hidden" name="vAns"       value="'.$env{'form.vAns'}.'" />'."\n".
@@ -1892,9 +1931,9 @@ KEYWORDS
 		my $responsetype = $responseType->{$partid}->{$respid};
 		if (!exists($record{"resource.$partid.$respid.submission"})) {
 		    $lastsubonly.='<tr><td bgcolor="#ffffe6"><b>Part:</b> '.
-			$display_part.' <font color="#999999">( ID '.$respid.
-			' )</font>&nbsp; &nbsp;'.
-			'<font color="red">Nothing submitted - no attempts</font><br /><br />';
+			$display_part.' <span class="LC_internal_info">( ID '.$respid.
+			' )</span>&nbsp; &nbsp;'.
+			'<span class="LC_warning">Nothing submitted - no attempts</span><br /><br />';
 		    next;
 		}
 		foreach (@$string) {
@@ -1908,10 +1947,10 @@ KEYWORDS
 			    &most_similar($uname,$udom,$subval);
 			if ($osim) {
 			    $osim=int($osim*100.0);
-			    $similar="<hr /><h3><font color=\"#FF0000\">Essay".
+			    $similar="<hr /><h3><span class=\"LC_warning\">Essay".
 				" is $osim% similar to an essay by ".
 				&Apache::loncommon::plainname($oname,$odom).
-				'</font></h3><blockquote><i>'.
+				'</span></h3><blockquote><i>'.
 				&keywords_highlight($oessay).
 				'</i></blockquote><hr />';
 			}
@@ -1921,12 +1960,12 @@ KEYWORDS
 			($env{'form.lastSub'} eq 'hdgrade' && 
 			 $$handgrade{$$part[0].'_'.$$part[1]} eq 'yes')) {
 			my $display_part=&get_display_part($partid,$symb);
-			$lastsubonly.='<tr><td bgcolor="#ffffe6">Debug -'.'<b>Part:</b> '.
-			    $display_part.' <font color="#999999">( hhhh ID '.$respid.
-			    ' )</font>&nbsp; &nbsp;';
+			$lastsubonly.='<tr><td bgcolor="#ffffe6"><b>Part:</b> '.
+			    $display_part.' <span class="LC_internal_info">( ID '.$respid.
+			    ' )</span>&nbsp; &nbsp;';
 			my $files=&get_submitted_files($udom,$uname,$partid,$respid,\%record);
 			if (@$files) {
-			    $lastsubonly.='<br /><font color="red" size="1">Like all files provided by users, this file may contain virusses</font><br />';
+			    $lastsubonly.='<br /><span class="LC_warning">Like all files provided by users, this file may contain virusses</span><br />';
 			    my $file_counter = 0;
 			    foreach my $file (@$files) {
 			        $file_counter ++;
@@ -2068,22 +2107,27 @@ sub get_last_submission {
 	my %lasthash=();
 	my ($version);
 	for ($version=1;$version<=$$returnhash{'version'};$version++) {
-	    foreach (sort(split(/\:/,$$returnhash{$version.':keys'}))) {
-		$lasthash{$_}=$$returnhash{$version.':'.$_};
-		   $timestamp = scalar(localtime($$returnhash{$version.':timestamp'}));
+	    foreach my $key (sort(split(/\:/,
+					$$returnhash{$version.':keys'}))) {
+		$lasthash{$key}=$$returnhash{$version.':'.$key};
+		$timestamp = 
+		    scalar(localtime($$returnhash{$version.':timestamp'}));
 	    }
 	}
-	foreach ((keys %lasthash)) {
-	    if ($_ =~ /\.submission$/) {
-		my ($partid,$foo) = split(/submission$/,$_);
-		my $draft  = $lasthash{$partid.'awarddetail'} eq 'DRAFT' ?
-		    '<font color="red">Draft Copy</font> ' : '';
-		push @string, (join(':',$_,$draft.$lasthash{$_}));
-	    }
+	foreach my $key (keys(%lasthash)) {
+	    next if ($key !~ /\.submission$/);
+
+	    my ($partid,$foo) = split(/submission$/,$key);
+	    my $draft  = $lasthash{$partid.'awarddetail'} eq 'DRAFT' ?
+		'<span class="LC_warning">Draft Copy</span> ' : '';
+	    push(@string, join(':', $key, $draft.$lasthash{$key}));
 	}
     }
-    @string = $string[0] eq '' ? '<font color="red">Nothing submitted - no attempts.</font>' : @string;
-    return \@string,\$timestamp;
+    if (!@string) {
+	$string[0] =
+	    '<span class="LC_warning">Nothing submitted - no attempts.</span>';
+    }
+    return (\@string,\$timestamp);
 }
 
 #--- High light keywords, with style choosen by user.
@@ -2093,8 +2137,8 @@ sub keywords_highlight {
     my $styleon   = $env{'form.kwstyle'} eq ''  ? '' : $env{'form.kwstyle'};
     (my $styleoff = $styleon) =~ s/\</\<\//;
     my @keylist   = split(/[,\s+]/,$env{'form.keywords'});
-    foreach (@keylist) {
-	$string =~ s/\b\Q$_\E(\b|\.)/<font color\=$env{'form.kwclr'} $size\>$styleon$_$styleoff<\/font>/gi;
+    foreach my $keyword (@keylist) {
+	$string =~ s/\b\Q$keyword\E(\b|\.)/<font color\=$env{'form.kwclr'} $size\>$styleon$keyword$styleoff<\/font>/gi;
     }
     return $string;
 }
@@ -2120,24 +2164,16 @@ sub processHandGrade {
 		next;
 	    }
 	    if ($errorflag eq 'not_allowed') {
-		$request->print("<font color=\"red\">Not allowed to modify grades for $uname:$udom</font>");
+		$request->print("<span class=\"LC_warning\">Not allowed to modify grades for $uname:$udom</span>");
 		$ctr++;
 		next;
 	    }
 	    my $includemsg = $env{'form.includemsg'.$ctr};
 	    my ($subject,$message,$msgstatus) = ('','','');
-            my $restitle = &Apache::lonnet::gettitle($symb);
-            my $encrypturl=&Apache::lonnet::EXT('resource.0.encrypturl',
-                                                $symb,$udom,$uname);
-            my ($feedurl,$baseurl,$showsymb,$messagetail);
-            $feedurl = &Apache::lonnet::clutter($url);
-            if ($encrypturl =~ /^yes$/i) {
-                $baseurl = &Apache::lonenc::encrypted($feedurl,1);
-                $showsymb = &Apache::lonenc::encrypted($symb,1);
-            } else {
-                $baseurl = $feedurl;
-                $showsymb = $symb;
-            }
+	    my $restitle = &Apache::lonnet::gettitle($symb);
+            my ($feedurl,$showsymb) =
+		&get_feedurl_and_symb($symb,$uname,$udom);
+	    my $messagetail;
 	    if ($includemsg =~ /savemsg|newmsg\Q$ctr\E/) {
 		$subject = $env{'form.msgsub'} if ($includemsg =~ /msgsub/);
 		unless ($subject=~/\w/) { $subject=&mt('Grading Feedback'); }
@@ -2150,12 +2186,12 @@ sub processHandGrade {
 		if ($env{'form.withgrades'.$ctr}) {
 		    $message.="\n\nPoint".($pts > 1 ? 's':'').' awarded = '.$pts.' out of '.$wgt;
 		    $messagetail = " for <a href=\"".
-		                   $baseurl."?symb=$showsymb\">$env{'form.probTitle'}</a>";
+		                   $feedurl."?symb=$showsymb\">$env{'form.probTitle'}</a>";
 		}
 		$msgstatus = 
                     &Apache::lonmsg::user_normal_msg($uname,$udom,$subject,
 						     $message.$messagetail,
-                                                     undef,$baseurl,undef,
+                                                     undef,$feedurl,undef,
                                                      undef,undef,$showsymb,
                                                      $restitle);
 		$request->print('<br />'.&mt('Sending message to [_1]:[_2]',$uname,$udom).': '.
@@ -2172,26 +2208,16 @@ sub processHandGrade {
 			if ($errorflag eq 'not_allowed') {
 			    $request->print("<span class=\"LC_error\">".&mt('Not allowed to modify grades for [_1]',"$collaborator:$udom")."</span>");
 			    next;
-			} else {
-			    if ($message ne '') {
-                                $encrypturl=
-                                  &Apache::lonnet::EXT('resource.0.encrypturl',
-                                                       $symb,$udom,$collaborator);
-                                if ($encrypturl =~ /^yes$/i) {
-                                    $baseurl = &Apache::lonenc::encrypted($feedurl,1);
-                                    $showsymb = &Apache::lonenc::encrypted($symb,1);
-                                } else {
-                                    $baseurl = $feedurl;
-                                    $showsymb = $symb;
-                                }
-                                if ($env{'form.withgrades'.$ctr}) {
-                                    $messagetail = " for <a href=\"".
+			} elsif ($message ne '') {
+			    my ($baseurl,$showsymb) = 
+				&get_feedurl_and_symb($symb,$collaborator,
+						      $udom);
+			    if ($env{'form.withgrades'.$ctr}) {
+				$messagetail = " for <a href=\"".
                                     $baseurl."?symb=$showsymb\">$env{'form.probTitle'}</a>";
-
-                                }
-				$msgstatus = 
-                                    &Apache::lonmsg::user_normal_msg($collaborator,$udom,$subject,$message.$messagetail,undef,$baseurl,undef,undef,undef,$showsymb,$restitle);
 			    }
+			    $msgstatus = 
+				&Apache::lonmsg::user_normal_msg($collaborator,$udom,$subject,$message.$messagetail,undef,$baseurl,undef,undef,undef,$showsymb,$restitle);
 			}
 		    }
 		}
@@ -2349,7 +2375,7 @@ sub processHandGrade {
 	$ctr++;
     }
     if ($total < 0) {
-	my $the_end = '<h3><font color="red">LON-CAPA User Message</font></h3><br />'."\n";
+	my $the_end = '<h3><span class="LC_info">LON-CAPA User Message</span></h3><br />'."\n";
 	$the_end.='<b>Message: </b> No more students for this section or class.<br /><br />'."\n";
 	$the_end.='Click on the button below to return to the grading menu.<br /><br />'."\n";
 	$the_end.=&show_grading_menu_form($symb);
@@ -2522,8 +2548,8 @@ sub handback_files {
             	                                $newflg.'_'.$part_resp.'_returndoc'.$file_counter,
             	                                $save_file_name);
                     if ($result !~ m|^/uploaded/|) {
-                        $request->print('<font color="red"> An errror occured ('.$result.
-                        ') while trying to upload '.$newflg.'_'.$part_resp.'_returndoc'.$file_counter.'</font><br />');
+                        $request->print('<span class="LC_error">An errror occured ('.$result.
+                        ') while trying to upload '.$newflg.'_'.$part_resp.'_returndoc'.$file_counter.'</span><br />');
                     } else {
                         # mark the file as read only
                         my @files = ($save_file_name);
@@ -2545,28 +2571,31 @@ sub handback_files {
 		$message .= "<strong>".&Apache::lonnet::gettitle($symb)."</strong><br />";
 		$message .= ' The returned file(s) are named: '. $file_msg;
 		$message .= " and can be found in your portfolio space.";
-		my $url = (&Apache::lonnet::decode_symb($symb))[2];
-		my $feedurl = &Apache::lonnet::clutter($url);
-                my $encrypturl=&Apache::lonnet::EXT('resource.0.encrypturl',
-                                                    $symb,$domain,$stuname);
-                my ($baseurl,$showsymb);
-                if ($encrypturl =~ /^yes$/i) {
-                    $baseurl = &Apache::lonenc::encrypted($feedurl,1);
-                    $showsymb = &Apache::lonenc::encrypted($symb,1);
-                } else {
-                    $baseurl = $feedurl;
-                    $showsymb = $symb;
-                }
+		my ($feedurl,$showsymb) = 
+		    &get_feedurl_and_symb($symb,$domain,$stuname);
                 my $restitle = &Apache::lonnet::gettitle($symb);
 		my $msgstatus = 
                    &Apache::lonmsg::user_normal_msg($stuname,$domain,$subject.
 			 ' (File Returned) ['.$restitle.']',$message,undef,
-                         $baseurl,undef,undef,undef,$showsymb,$restitle);
+                         $feedurl,undef,undef,undef,$showsymb,$restitle);
             }
         }
     return;
 }
 
+sub get_feedurl_and_symb {
+    my ($symb,$uname,$udom) = @_;
+    my (undef,undef,$url) = &Apache::lonnet::decode_symb($symb);
+    $url = &Apache::lonnet::clutter($url);
+    my $encrypturl=&Apache::lonnet::EXT('resource.0.encrypturl',
+					$symb,$udom,$uname);
+    if ($encrypturl =~ /^yes$/i) {
+	&Apache::lonenc::encrypted(\$url,1);
+	&Apache::lonenc::encrypted(\$symb,1);
+    }
+    return ($url,$symb);
+}
+
 sub get_submitted_files {
     my ($udom,$uname,$partid,$respid,$record) = @_;
     my @files;
@@ -2919,15 +2948,15 @@ sub viewgrades {
                  $env{'course.'.$env{'request.course.id'}.'.domain'});
     &Apache::lonnet::clear_EXT_cache_status();
 
-    my $result='<h3><font color="#339933">'.&mt('Manual Grading').'</font></h3>';
-    $result.='<font size=+1><b>Current Resource: </b>'.$env{'form.probTitle'}.'</font>'."\n";
+    my $result='<h3><span class="LC_info">'.&mt('Manual Grading').'</span></h3>';
+    $result.='<h4><b>Current Resource: </b>'.$env{'form.probTitle'}.'</h4>'."\n";
 
     #view individual student submission form - called using Javascript viewOneStudent
     $result.=&jscriptNform($symb);
 
     #beginning of class grading form
     $result.= '<form action="/adm/grades" method="post" name="classgrade">'."\n".
-	'<input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
+	'<input type="hidden" name="symb"    value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
 	'<input type="hidden" name="command" value="editgrades" />'."\n".
 	'<input type="hidden" name="section" value="'.$env{'form.section'}.'" />'."\n".
 	'<input type="hidden" name="saveState" value="'.$env{'form.saveState'}.'" />'."\n".
@@ -3048,8 +3077,8 @@ sub viewgrades {
 	'onClick="javascript:submit();" TARGET=_self /></form>'."\n";
     if (scalar(%$fullname) eq 0) {
 	my $colspan=3+scalar(@parts);
-	$result='<font color="red">There are no students in section "'.$env{'form.section'}.
-	    '" with enrollment status "'.$env{'form.Status'}.'" to modify or grade.</font>';
+	$result='<span class="LC_warning">There are no students in section "'.$env{'form.section'}.
+	    '" with enrollment status "'.$env{'form.Status'}.'" to modify or grade.</span>';
     }
     $result.=&show_grading_menu_form($symb);
     return $result;
@@ -3066,7 +3095,7 @@ sub viewstudentgrade {
 	"\n".$ctr.'&nbsp;</td><td>&nbsp;'.
 	'<a href="javascript:viewOneStudent(\''.$uname.'\',\''.$udom.
 	'\')"; TARGET=_self>'.$fullname.'</a> '.
-	'<font color="#999999">('.$uname.($env{'user.domain'} eq $udom ? '' : ':'.$udom).')</font></td>'."\n";
+	'<span class="LC_internal_info">('.$uname.($env{'user.domain'} eq $udom ? '' : ':'.$udom).')</span></td>'."\n";
     $student=~s/:/_/; # colon doen't work in javascript for names
     foreach my $apart (@$parts) {
 	my ($part,$type) = &split_part_type($apart);
@@ -3126,9 +3155,9 @@ sub editgrades {
     my ($request) = @_;
 
     my $symb=&get_symb($request);
-    my $title='<h3><font color="#339933">Current Grade Status</font></h3>';
-    $title.='<font size=+1><b>Current Resource: </b>'.$env{'form.probTitle'}.'</font><br />'."\n";
-    $title.='<font size=+1><b>Section: </b>'.$env{'form.section'}.'</font>'."\n";
+    my $title='<h3><span class="LC_info">Current Grade Status</span></h3>';
+    $title.='<h4><b>Current Resource: </b>'.$env{'form.probTitle'}.'</h4><br />'."\n";
+    $title.='<h4><b>Section: </b>'.$env{'form.section'}.'</h4>'."\n";
 
     my $result= '<table border="0"><tr><td bgcolor="#777777">'."\n";
     $result.= '<table border="0"><tr bgcolor="#deffff">'.
@@ -3196,7 +3225,7 @@ sub editgrades {
 	my $usec=$classlist->{"$uname:$udom"}[5];
 	if (!&canmodify($usec)) {
 	    my $numcols=scalar(@partid)*4+2;
-	    $noupdate.=$line."<td colspan=\"$numcols\"><font color=\"red\">Not allowed to modify student</font></td></tr>";
+	    $noupdate.=$line."<td colspan=\"$numcols\"><span class=\"LC_warning\">Not allowed to modify student</span></td></tr>";
 	    next;
 	}
         my %aggregate = ();
@@ -3429,9 +3458,10 @@ sub csvuploadmap_header {
     my ($result) = &showResourceInfo($symb,$env{'form.probTitle'});
     my $checked=(($env{'form.noFirstLine'})?' checked="checked"':'');
     my $ignore=&mt('Ignore First Line');
+    $symb = &Apache::lonenc::check_encrypt($symb);
     $request->print(<<ENDPICK);
 <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
-<h3><font color="#339933">Uploading Class Grades</font></h3>
+<h3><span class="LC_info">Uploading Class Grades</span></h3>
 $result
 <hr />
 <h3>Identify fields</h3>
@@ -3523,6 +3553,7 @@ sub upcsvScores_form {
     my $upload=&mt("Upload Scores");
     my $upfile_select=&Apache::loncommon::upfile_select_html();
     my $ignore=&mt('Ignore First Line');
+    $symb = &Apache::lonenc::check_encrypt($symb);
     $result.=<<ENDUPFORM;
 <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
 <input type="hidden" name="symb" value="$symb" />
@@ -3594,7 +3625,7 @@ sub csvuploadoptions {
     my $ignore=&mt('Ignore First Line');
     $request->print(<<ENDPICK);
 <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
-<h3><font color="#339933">Uploading Class Grade Options</font></h3>
+<h3><span class="LC_info">Uploading Class Grade Options</span></h3>
 <input type="hidden" name="command"    value="csvuploadassign" />
 <!--
 <p>
@@ -3728,7 +3759,7 @@ sub csvuploadassign {
 		$grades{$store_key}=$entries{$fields{$dest}};
 	    }
 	}
-	if (! %grades) { push(@skipped,"$username:$domain no data to store"); }
+	if (! %grades) { push(@skipped,"$username:$domain no data to save"); }
 	$grades{"resource.regrader"}="$env{'user.name'}:$env{'user.domain'}";
 #	&Apache::lonnet::logthis(" storing ".(join('-',%grades)));
 	my $result=&Apache::lonnet::cstore(\%grades,$symb,
@@ -3738,22 +3769,22 @@ sub csvuploadassign {
 	    $request->print('.');
 	} else {
 	    $request->print("<p>
-                              <font color='red'>
-                                 Failed to store student $username\@$domain.
-                                 Message when trying to store was ($result)
-                              </font>
+                              <span class=\"LC_error\">
+                                 Failed to save student $username:$domain.
+                                 Message when trying to save was ($result)
+                              </span>
                              </p>" );
 	}
 	$request->rflush();
 	$countdone++;
     }
-    $request->print("<br />Stored $countdone students\n");
+    $request->print("<br />Saved $countdone students\n");
     if (@skipped) {
-	$request->print('<p><font size="+1"><b>Skipped Students</b></font></p>');
+	$request->print('<p><h4><b>Skipped Students</b></h4></p>');
 	foreach my $student (@skipped) { $request->print("$student<br />\n"); }
     }
     if (@notallowed) {
-	$request->print('<p><font size="+1" color="red"><b>Students Not Allowed to Modify</b></font></p>');
+	$request->print('<p><span class="LC_error">Students Not Allowed to Modify</span></p>');
 	foreach my $student (@notallowed) { $request->print("$student<br />\n"); }
     }
     $request->print("<br />\n");
@@ -3792,8 +3823,8 @@ LISTJAVASCRIPT
     my $cnum      = $env{"course.$env{'request.course.id'}.num"};
     my $getsec    = $env{'form.section'} eq '' ? 'all' : $env{'form.section'};
 
-    my $result='<h3><font color="#339933">&nbsp;'.
-	'Manual Grading by Page or Sequence</font></h3>';
+    my $result='<h3><span class="LC_info">&nbsp;'.
+	'Manual Grading by Page or Sequence</span></h3>';
 
     $result.='<form action="/adm/grades" method="post" name="displayPage">'."\n";
     $result.='&nbsp;<b>Problems from:</b> <select name="selectpage">'."\n";
@@ -3831,7 +3862,7 @@ LISTJAVASCRIPT
     $result.='<input type="hidden" name="section"     value="'.$getsec.'" />'."\n".
 	'<input type="hidden" name="Status"  value="'.$env{'form.Status'}.'" />'."\n".
 	'<input type="hidden" name="command" value="displayPage" />'."\n".
-	'<input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
+	'<input type="hidden" name="symb"    value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
 	'<input type="hidden" name="saveState" value="'.$env{'form.saveState'}.'" />'."<br />\n";
 
     $result.='&nbsp;<b>'.&mt('Use CODE:').' </b>'.
@@ -3923,11 +3954,11 @@ sub displayPage {
     &Apache::lonnet::clear_EXT_cache_status();
 
     if (!&canview($usec)) {
-	$request->print('<font color="red">Unable to view requested student.('.$env{'form.student'}.')</font>');
+	$request->print('<span class="LC_warning">Unable to view requested student.('.$env{'form.student'}.')</span>');
 	$request->print(&show_grading_menu_form($symb));
 	return;
     }
-    my $result='<h3><font color="#339933">&nbsp;'.$env{'form.title'}.'</font></h3>';
+    my $result='<h3><span class="LC_info">&nbsp;'.$env{'form.title'}.'</span></h3>';
     $result.='<h3>&nbsp;Student: '.&nameUserString(undef,$$fullname{$env{'form.student'}},$uname,$udom).
 	'</h3>'."\n";
     if (&Apache::lonnet::validCODE($env{'form.CODE'})) {
@@ -3942,7 +3973,7 @@ sub displayPage {
     my ($mapUrl, $id, $resUrl)=&Apache::lonnet::decode_symb($env{'form.page'});
     my $map = $navmap->getResourceByUrl($resUrl); # add to navmaps
     if (!$map) {
-	$request->print('<font color="red">Unable to view requested sequence. ('.$resUrl.')</font>');
+	$request->print('<span class="LC_warning">Unable to view requested sequence. ('.$resUrl.')</span>');
 	$request->print(&show_grading_menu_form($symb));
 	return; 
     }
@@ -3955,7 +3986,7 @@ sub displayPage {
 	'<input type="hidden" name="student" value="'.$env{'form.student'}.'" />'."\n".
 	'<input type="hidden" name="page"    value="'.$pageTitle.'" />'."\n".
 	'<input type="hidden" name="title"   value="'.$env{'form.title'}.'" />'."\n".
-	'<input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
+	'<input type="hidden" name="symb"    value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
 	'<input type="hidden" name="overRideScore" value="no" />'."\n".
 	'<input type="hidden" name="saveState" value="'.$env{'form.saveState'}.'" />'."\n";
 
@@ -4009,7 +4040,7 @@ sub displayPage {
 
 	    if ($env{'form.lastSub'} eq 'datesub') {
 		if ($record{'version'} eq '') {
-		    $studentTable.='<br />&nbsp;<font color="red">No recorded submission for this problem</font><br />';
+		    $studentTable.='<br />&nbsp;<span class="LC_warning">No recorded submission for this problem</span><br />';
 		} else {
 		    my %responseType = ();
 		    foreach my $partid (@{$parts}) {
@@ -4071,7 +4102,7 @@ sub displaySubByDates {
     my %orders;
     $mark{'correct_by_student'} = $checkIcon;
     if (!exists($$record{'1:timestamp'})) {
-	return '<br />&nbsp;<font color="red">Nothing submitted - no attempts</font><br />';
+	return '<br />&nbsp;<span class="LC_warning">Nothing submitted - no attempts</span><br />';
     }
 
     my $interaction;
@@ -4105,8 +4136,8 @@ sub displaySubByDates {
 				               : ($matchKey=~ /^resource\.\Q$partid\E\.(.*?)\.submission$/));
 		    #&Apache::lonnet::logthis("match $matchKey $responseId (".$$record{$version.':'.$matchKey});
 		    $displaySub[0].='<b>Part:</b>&nbsp;'.$display_part.'&nbsp;';
-		    $displaySub[0].='<font color="#999999">(ID&nbsp;'.
-			$responseId.')</font>&nbsp;<b>';
+		    $displaySub[0].='<span class="LC_internal_info">(ID&nbsp;'.
+			$responseId.')</span>&nbsp;<b>';
 		    if ($$record{"$where.$partid.tries"} eq '') {
 			$displaySub[0].='Trial&nbsp;not&nbsp;counted';
 		    } else {
@@ -4171,11 +4202,11 @@ sub updateGradeByPage {
     my ($uname,$udom) = split(/:/,$env{'form.student'});
     my $usec=$classlist->{$env{'form.student'}}[5];
     if (!&canmodify($usec)) {
-	$request->print('<font color="red">Unable to modify requested student.('.$env{'form.student'}.'</font>');
+	$request->print('<span class="LC_warning">Unable to modify requested student.('.$env{'form.student'}.'</span>');
 	$request->print(&show_grading_menu_form($env{'form.symb'}));
 	return;
     }
-    my $result='<h3><font color="#339933">&nbsp;'.$env{'form.title'}.'</font></h3>';
+    my $result='<h3><span class="LC_info">&nbsp;'.$env{'form.title'}.'</span></h3>';
     $result.='<h3>&nbsp;Student: '.&nameUserString(undef,$env{'form.fullname'},$uname,$udom).
 	'</h3>'."\n";
 
@@ -4185,7 +4216,7 @@ sub updateGradeByPage {
     my ($mapUrl, $id, $resUrl) = &Apache::lonnet::decode_symb( $env{'form.page'});
     my $map = $navmap->getResourceByUrl($resUrl); # add to navmaps
     if (!$map) {
-	$request->print('<font color="red">Unable to grade requested sequence. ('.$resUrl.')</font>');
+	$request->print('<span class="LC_warning">Unable to grade requested sequence. ('.$resUrl.')</span>');
 	my ($symb)=&get_symb($request);
 	$request->print(&show_grading_menu_form($symb));
 	return; 
@@ -4327,7 +4358,7 @@ sub updateGradeByPage {
 sub defaultFormData {
     my ($symb)=@_;
     return '
-      <input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
+      <input type="hidden" name="symb"    value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
      '<input type="hidden" name="saveState" value="'.$env{'form.saveState'}.'" />'."\n".
      '<input type="hidden" name="probTitle" value="'.$env{'form.probTitle'}.'" />'."\n";
 }
@@ -4865,7 +4896,7 @@ sub scantron_process_corrections {
 	}
     }
     if ($err) {
-	$r->print("<font color='red'>Unable to accept last correction, an error occurred :$errmsg:</font>");
+	$r->print("<span class=\"LC_warning\">Unable to accept last correction, an error occurred :$errmsg:</span>");
     } else {
 	&scantron_put_line($scanlines,$scan_data,$which,$line,$skip);
 	&scantron_putfile($scanlines,$scan_data);
@@ -4933,22 +4964,21 @@ sub scantron_warning_screen {
 	$scantron_config{'CODEstart'} &&
 	$scantron_config{'CODElength'}) {
 	$CODElist=$env{'form.scantron_CODElist'};
-	if ($env{'form.scantron_CODElist'} eq '') { $CODElist='<font color="red">None</font>'; }
+	if ($env{'form.scantron_CODElist'} eq '') { $CODElist='<span class="LC_warning">None</span>'; }
 	$CODElist=
 	    '<tr><td><b>List of CODES to validate against:</b></td><td><tt>'.
 	    $env{'form.scantron_CODElist'}.'</tt></td></tr>';
     }
     return (<<STUFF);
 <p>
-<font color="red">Please double check the information
-                 below before clicking on '$button_text'</font>
+<span class="LC_warning">Please double check the information
+                 below before clicking on '$button_text'</span>
 </p>
 <table>
 <tr><td><b>Sequence to be Graded:</b></td><td>$title</td></tr>
 <tr><td><b>Data File that will be used:</b></td><td><tt>$env{'form.scantron_selectfile'}</tt></td></tr>
 $CODElist
 </table>
-</font>
 <br />
 <p> If this information is correct, please click on '$button_text'.</p>
 <p> If something is incorrect, please click the 'Grading Menu' button to start over.</p>
@@ -4968,13 +4998,13 @@ sub scantron_do_warning {
 	 $env{'form.scantron_format'} eq '' ) {
 	$r->print("<p>You have forgetten to specify some information. Please go Back and try again.</p>");
 	if ( $env{'form.selectpage'} eq '') {
-	    $r->print('<p><font color="red">You have not selected a Sequence to grade</font></p>');
+	    $r->print('<p><span class="LC_error">You have not selected a Sequence to grade</span></p>');
 	} 
 	if ( $env{'form.scantron_selectfile'} eq '') {
-	    $r->print('<p><font color="red">You have not selected a file that contains the student\'s response data.</font></p>');
+	    $r->print('<p><span class="LC_error">You have not selected a file that contains the student\'s response data.</span></p>');
 	} 
 	if ( $env{'form.scantron_format'} eq '') {
-	    $r->print('<p><font color="red">You have not selected a the format of the student\'s response data.</font></p>');
+	    $r->print('<p><span class="LC_error">You have not selected a the format of the student\'s response data.</span></p>');
 	} 
     } else {
 	my $warning=&scantron_warning_screen('Grading: Validate Records');
@@ -5826,13 +5856,13 @@ sub scantron_upload_scantron_data_save {
     my $uploadedfile=$fname;
     $fname='scantron_orig_'.$fname;
     if (length($env{'form.upfile'}) < 2) {
-	$r->print("<font color='red'>Error:</font> The file you attempted to upload, <tt>".&HTML::Entities::encode($env{'form.upfile.filename'},'<>&"')."</tt>, contained no information. Please check that you entered the correct filename.");
+	$r->print("<span class=\"LC_error\">Error:</span> The file you attempted to upload, <tt>".&HTML::Entities::encode($env{'form.upfile.filename'},'<>&"')."</tt>, contained no information. Please check that you entered the correct filename.");
     } else {
 	my $result=&Apache::lonnet::finishuserfileupload($env{'form.courseid'},$env{'form.domainid'},'upfile',$fname);
 	if ($result =~ m|^/uploaded/|) {
-	    $r->print("<font color='green'>Success:</font> Successfully uploaded ".(length($env{'form.upfile'})-1)." bytes of data into location <tt>".$result."</tt>");
+	    $r->print("<span class=\"LC_success\">Success:</span> Successfully uploaded ".(length($env{'form.upfile'})-1)." bytes of data into location <tt>".$result."</tt>");
 	} else {
-	    $r->print("<font color='red'>Error:</font> An error (".$result.") occurred when attempting to upload the file, <tt>".&HTML::Entities::encode($env{'form.upfile.filename'},'<>&"')."</tt>");
+	    $r->print("<span class=\"LC_error\">Error:</span> An error (".$result.") occurred when attempting to upload the file, <tt>".&HTML::Entities::encode($env{'form.upfile.filename'},'<>&"')."</tt>");
 	}
     }
     if ($symb) {
@@ -5897,7 +5927,7 @@ DOWNLOAD
 sub show_grading_menu_form {
     my ($symb)=@_;
     my $result.='<br /><form action="/adm/grades" method="post">'."\n".
-	'<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
+	'<input type="hidden" name="symb" value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
 	'<input type="hidden" name="saveState"  value="'.$env{'form.saveState'}.'" />'."\n".
 	'<input type="hidden" name="command" value="gradingmenu" />'."\n".
 	'<input type="submit" name="submit" value="Grading Menu" />'."\n".
@@ -5961,7 +5991,7 @@ sub gradingmenu {
 </script>
 GRADINGMENUJS
     &commonJSfunctions($request);
-    my $result='<h3>&nbsp;<font color="#339933">Manual Grading/View Submission</font></h3>';
+    my $result='<h3>&nbsp;<span class="LC_info">Manual Grading/View Submission</span></h3>';
     my ($table,undef,$hdgrade) = &showResourceInfo($symb,$probTitle);
     $result.=$table;
     my (undef,$sections) = &getclasslist('all','0');
@@ -5972,7 +6002,7 @@ GRADINGMENUJS
     my $saveStatus = ($$savedState{'saveStatus'} eq '' ? 'Active' : $$savedState{'saveStatus'});
 
     $result.='<form action="/adm/grades" method="post" name="gradingMenu">'."\n".
-	'<input type="hidden" name="symb"        value="'.$symb.'" />'."\n".
+	'<input type="hidden" name="symb"        value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
 	'<input type="hidden" name="handgrade"   value="'.$hdgrade.'" />'."\n".
 	'<input type="hidden" name="probTitle"   value="'.$probTitle.'" />'."\n".
 	'<input type="hidden" name="command"     value="" />'."\n".