--- loncom/homework/grades.pm	2003/07/15 20:59:53	1.116
+++ loncom/homework/grades.pm	2003/11/07 19:23:56	1.151
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Grading handler
 #
-# $Id: grades.pm,v 1.116 2003/07/15 20:59:53 ng Exp $
+# $Id: grades.pm,v 1.151 2003/11/07 19:23:56 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -33,6 +33,7 @@
 # June-August H.K. Ng
 # Year 2003
 # February, March H.K. Ng
+# July, H. K. Ng
 #
 
 package Apache::grades;
@@ -54,17 +55,35 @@ my %perm=();
 
 # ----- These first few routines are general use routines.----
 #
-# --- Retrieve the parts that matches stores_\d+ from the metadata file.---
+# --- Retrieve the parts from the metadata file.---
 sub getpartlist {
-    my ($url) = @_;
-    my @parts =();
-    my (@metakeys) = split(/,/,&Apache::lonnet::metadata($url,'keys'));
-    foreach my $key (@metakeys) {
-	if ( $key =~ m/stores_(\w+)_.*/) {
-	    push(@parts,$key);
+    my ($url,$symb) = @_;
+    my $partorder = &Apache::lonnet::metadata($url, 'partorder');
+    my @parts;
+    if ($partorder) {
+	for my $part (split (/,/,$partorder)) {
+	    if (!&Apache::loncommon::check_if_partid_hidden($part,$symb)) {
+		push(@parts, $part);
+	    }
+	}	    
+    } else {
+	my $metadata = &Apache::lonnet::metadata($url, 'packages');
+	foreach (split(/\,/,$metadata)) {
+	    if ($_ =~ /^part_(.*)$/) {
+		if (!&Apache::loncommon::check_if_partid_hidden($1,$symb)) {
+		    push(@parts, $1);
+		}
+	    }
 	}
     }
-    return @parts;
+    my @stores;
+    foreach my $part (@parts) {
+	my (@metakeys) = split(/,/,&Apache::lonnet::metadata($url,'keys'));
+	foreach my $key (@metakeys) {
+	    if ($key =~ m/^stores_\Q$part\E_/) { push(@stores,$key); }
+	}
+    }
+    return @stores;
 }
 
 # --- Get the symbolic name of a problem and the url
@@ -95,30 +114,208 @@ sub get_fullname {
     return $fullname;
 }
 
+#--- Format fullname, username:domain if different for display
+#--- Use anywhere where the student names are listed
+sub nameUserString {
+    my ($type,$fullname,$uname,$udom) = @_;
+    if ($type eq 'header') {
+	return '<b>&nbsp;Fullname&nbsp;</b><font color="#999999">(Username)</font>&nbsp;';
+    } else {
+	return '&nbsp;'.$fullname.'<font color="#999999">&nbsp;('.$uname.
+	    ($ENV{'user.domain'} eq $udom ? '' : ' ('.$udom.')').')</font>';
+    }
+}
+
 #--- Get the partlist and the response type for a given problem. ---
 #--- Indicate if a response type is coded handgraded or not. ---
 sub response_type {
-    my ($url) = shift;
+    my ($url,$symb) = shift;
+    $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url))) if ($symb eq '');
     my $allkeys = &Apache::lonnet::metadata($url,'keys');
     my %seen = ();
-    my (@partlist,%handgrade);
+    my (@partlist,%handgrade,%responseType);
     foreach (split(/,/,&Apache::lonnet::metadata($url,'packages'))) {
-	if (/^\w+response_\w+.*/) {
+	if (/^\w+response_.*/) {
 	    my ($responsetype,$part) = split(/_/,$_,2);
 	    my ($partid,$respid) = split(/_/,$part);
-	    $handgrade{$part} = $responsetype.':'.($allkeys =~ /parameter_$part\_handgrade/ ? 'yes' : 'no');
+	    if (&Apache::loncommon::check_if_partid_hidden($partid,$symb)) {
+		next;
+	    }
+	    $responsetype =~ s/response$//; # make it compatible w/ navmaps - should move to that!!
+	    my ($value) = &Apache::lonnet::EXT('resource.'.$part.'.handgrade',$symb);
+	    $handgrade{$part} = ($value eq 'yes' ? 'yes' : 'no'); 
+	    if (!exists($responseType{$partid})) { $responseType{$partid}={}; }
+	    $responseType{$partid}->{$respid}=$responsetype;
 	    next if ($seen{$partid} > 0);
 	    $seen{$partid}++;
 	    push @partlist,$partid;
 	}
     }
-    return \@partlist,\%handgrade;
+    return \@partlist,\%handgrade,\%responseType;
+}
+
+#--- Show resource title
+#--- and parts and response type
+sub showResourceInfo {
+    my ($url,$probTitle) = @_;
+    my $result ='<table border="0">'.
+	'<tr><td colspan=3><font size=+1><b>Current Resource: </b>'.$probTitle.'</font></td></tr>'."\n";
+    my ($partlist,$handgrade,$responseType) = &response_type($url);
+    my %resptype = ();
+    my $hdgrade='no';
+    for my $part_resID (sort keys(%$handgrade)) {
+	my $handgrade=$$handgrade{$part_resID};
+	my ($partID,$resID) = split(/_/,$part_resID);
+	my $responsetype = $responseType->{$partID}->{$resID};
+	$hdgrade = $handgrade if ($handgrade eq 'yes');
+	$result.='<tr><td><b>Part </b>'.$partID.' <font color="#999999">'.
+	    $resID.'</font></td>'.
+	    '<td><b>Type: </b>'.$responsetype.'</td></tr>';
+#	    '<td><b>Handgrade: </b>'.$handgrade.'</td></tr>';
+    }
+    $result.='</table>'."\n";
+    return $result,$responseType,$hdgrade,$partlist,$handgrade;
+}
+
+
+sub get_order {
+    my ($partid,$respid,$symb,$uname,$udom)=@_;
+    my (undef,undef,$url)=&Apache::lonnet::decode_symb($symb);
+    $url=&Apache::lonnet::clutter($url);
+    my $subresult=&Apache::lonnet::ssi($url,
+				       ('grade_target' => 'analyze'),
+				       ('grade_domain' => $udom),
+				       ('grade_symb' => $symb),
+				       ('grade_courseid' => 
+					        $ENV{'request.course.id'}),
+				       ('grade_username' => $uname));
+    (undef,$subresult)=split(/_HASH_REF__/,$subresult,2);
+    my %analyze=&Apache::lonnet::str2hash($subresult);
+    return ($analyze{"$partid.$respid.shown"});
+}
+#--- Clean response type for display
+#--- Currently filters option/rank/radiobutton/match/essay response types only.
+sub cleanRecord {
+    my ($answer,$response,$symb,$partid,$respid,$record,$order,$version) = @_;
+    my $grayFont = '<font color="#999999">';
+    if ($response =~ /^(option|rank)$/) {
+	my %answer=&Apache::lonnet::str2hash($answer);
+	my %grading=&Apache::lonnet::str2hash($record->{$version."resource.$partid.$respid.submissiongrading"});
+	my ($toprow,$bottomrow);
+	foreach my $foil (@$order) {
+	    if ($grading{$foil} == 1) {
+		$toprow.='<td><b>'.$answer{$foil}.'&nbsp;</b></td>';
+	    } else {
+		$toprow.='<td><i>'.$answer{$foil}.'&nbsp;</i></td>';
+	    }
+	    $bottomrow.='<td>'.$grayFont.$foil.'</font>&nbsp;</td>';
+	}
+	return '<blockquote><table border="1">'.
+	    '<tr valign="top"><td>Answer</td>'.$toprow.'</tr>'.
+	    '<tr valign="top"><td>'.$grayFont.'Option ID</font></td>'.
+	    $grayFont.$bottomrow.'</tr>'.'</table></blockquote>';
+    } elsif ($response eq 'match') {
+	my %answer=&Apache::lonnet::str2hash($answer);
+	my %grading=&Apache::lonnet::str2hash($record->{$version."resource.$partid.$respid.submissiongrading"});
+	my @items=&Apache::lonnet::str2array($record->{$version."resource.$partid.$respid.submissionitems"});
+	my ($toprow,$middlerow,$bottomrow);
+	foreach my $foil (@$order) {
+	    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>';
+	    } else {
+		$toprow.='<td><i>'.$item.'&nbsp;</i></td>';
+		$middlerow.='<td><i>'.$grayFont.$answer{$foil}.'&nbsp;</font></i></td>';
+	    }
+	    $bottomrow.='<td>'.$grayFont.$foil.'</font>&nbsp;</td>';
+	}
+	return '<blockquote><table border="1">'.
+	    '<tr valign="top"><td>Answer</td>'.$toprow.'</tr>'.
+	    '<tr valign="top"><td>'.$grayFont.'Item ID</font></td>'.
+	    $middlerow.'</tr>'.
+	    '<tr valign="top"><td>'.$grayFont.'Option ID</font></td>'.
+	    $bottomrow.'</tr>'.'</table></blockquote>';
+    } elsif ($response eq 'radiobutton') {
+	my %answer=&Apache::lonnet::str2hash($answer);
+	my ($toprow,$bottomrow);
+	my $correct=($order->[0])+1;
+	for (my $i=1;$i<=$#$order;$i++) {
+	    my $foil=$order->[$i];
+	    if (exists($answer{$foil})) {
+		if ($i == $correct) {
+		    $toprow.='<td><b>true</b></td>';
+		} else {
+		    $toprow.='<td><i>true</i></td>';
+		}
+	    } else {
+		$toprow.='<td>false</td>';
+	    }
+	    $bottomrow.='<td>'.$grayFont.$foil.'</font>&nbsp;</td>';
+	}
+	return '<blockquote><table border="1">'.
+	    '<tr valign="top"><td>Answer</td>'.$toprow.'</tr>'.
+	    '<tr valign="top"><td>'.$grayFont.'Option ID</font></td>'.
+	    $grayFont.$bottomrow.'</tr>'.'</table></blockquote>';
+    } elsif ($response eq 'essay') {
+	if (! exists ($ENV{'form.'.$symb})) {
+	    my (%keyhash) = &Apache::lonnet::dump('nohist_handgrade',
+						  $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+						  $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
+
+	    my $loginuser = $ENV{'user.name'}.':'.$ENV{'user.domain'};
+	    $ENV{'form.keywords'} = $keyhash{$symb.'_keywords'} ne '' ? $keyhash{$symb.'_keywords'} : '';
+	    $ENV{'form.kwclr'}    = $keyhash{$loginuser.'_kwclr'} ne '' ? $keyhash{$loginuser.'_kwclr'} : 'red';
+	    $ENV{'form.kwsize'}   = $keyhash{$loginuser.'_kwsize'} ne '' ? $keyhash{$loginuser.'_kwsize'} : '0';
+	    $ENV{'form.kwstyle'}  = $keyhash{$loginuser.'_kwstyle'} ne '' ? $keyhash{$loginuser.'_kwstyle'} : '';
+	    $ENV{'form.'.$symb} = 1; # so that we don't have to read it from disk for multiple sub of the same prob.
+	}
+	return '<br /><br /><blockquote><pre>'.&keywords_highlight($answer).'</pre></blockquote>';
+    }
+    return $answer;
+}
+
+#-- A couple of common js functions
+sub commonJSfunctions {
+    my $request = shift;
+    $request->print(<<COMMONJSFUNCTIONS);
+<script type="text/javascript" language="javascript">
+    function radioSelection(radioButton) {
+	var selection=null;
+	if (radioButton.length > 1) {
+	    for (var i=0; i<radioButton.length; i++) {
+		if (radioButton[i].checked) {
+		    return radioButton[i].value;
+		}
+	    }
+	} else {
+	    if (radioButton.checked) return radioButton.value;
+	}
+	return selection;
+    }
+
+    function pullDownSelection(selectOne) {
+	var selection="";
+	if (selectOne.length > 1) {
+	    for (var i=0; i<selectOne.length; i++) {
+		if (selectOne[i].selected) {
+		    return selectOne[i].value;
+		}
+	    }
+	} else {
+            // only one value it must be the selected one
+	    return selectOne.value;
+	}
+    }
+</script>
+COMMONJSFUNCTIONS
 }
 
 #--- Dumps the class list with usernames,list of sections,
 #--- section, ids and fullnames for each user.
 sub getclasslist {
     my ($getsec,$filterlist) = @_;
+    $getsec = $getsec eq '' ? 'all' : $getsec;
     my $classlist=&Apache::loncoursedata::get_classlist();
     # Bail out if we were unable to get the classlist
     return if (! defined($classlist));
@@ -199,7 +396,7 @@ sub student_gradeStatus {
     my %record     = &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);
     my %partstatus = ();
     foreach (@$partlist) {
-	my ($status,$foo)    = split(/_/,$record{"resource.$_.solved"},2);
+	my ($status,undef)   = split(/_/,$record{"resource.$_.solved"},2);
 	$status              = 'nothing' if ($status eq '');
 	$partstatus{$_}      = $status;
 	my $subkey           = "resource.$_.submitted_by";
@@ -225,6 +422,7 @@ sub jscriptNform {
 	'<input type="hidden" name="url"     value="'.$url.'" />'."\n".
 	'<input type="hidden" name="saveState" value="'.$ENV{'form.saveState'}.'" />'."\n".
 	'<input type="hidden" name="probTitle" value="'.$ENV{'form.probTitle'}.'" />'."\n".
+	'<input type="hidden" name="Status"  value="'.$ENV{'form.Status'}.'" />'."\n".
 	'<input type="hidden" name="command" value="submission" />'."\n".
 	'<input type="hidden" name="student" value="" />'."\n".
 	'<input type="hidden" name="userdom" value="" />'."\n".
@@ -297,7 +495,7 @@ sub verifyreceipt {
 
     my $title.='<h3><font color="#339933">Verifying Submission Receipt '.
 	$receipt.'</h3></font>'."\n".
-	'<font size=+1><b>Problem: </b>'.$ENV{'form.probTitle'}.'</font><br><br>'."\n";
+	'<font size=+1><b>Resource: </b>'.$ENV{'form.probTitle'}.'</font><br><br>'."\n";
 
     my ($string,$contents,$matches) = ('','',0);
     my (undef,undef,$fullname) = &getclasslist('all','0');
@@ -345,26 +543,15 @@ sub listStudents {
     my $getsec    = $ENV{'form.section'} eq '' ? 'all' : $ENV{'form.section'};
     my $submitonly= $ENV{'form.submitonly'} eq '' ? 'all' : $ENV{'form.submitonly'};
 
-    my $result;
-    my ($partlist,$handgrade) = &response_type($url);
-    for (sort keys(%$handgrade)) {
-	my ($responsetype,$handgrade)=split(/:/,$$handgrade{$_});
-	$ENV{'form.handgrade'} = 'yes' if ($handgrade eq 'yes');
-	$result.='<tr><td><b>Part </b>'.(split(/_/))[0].'</td>'.
-	    '<td><b>Type: </b>'.$responsetype.'</td>'.
-	    '<td><b>Handgrade: </b>'.$handgrade.'</font></td></tr>';
-    }
-    $result.='</table>'."\n";
-
-    my $viewgrade = $ENV{'form.handgrade'} eq 'yes' ? 'View/Grade' : 'View';
+    my $viewgrade = $ENV{'form.showgrading'} eq 'yes' ? 'View/Grade/Regrade' : 'View';
     $ENV{'form.probTitle'} = $ENV{'form.probTitle'} eq '' ? 
 	&Apache::lonnet::gettitle($symb) : $ENV{'form.probTitle'};
 
-    $result='<h3><font color="#339933">&nbsp;'.
-	$viewgrade.
-	    ' Submissions for a Student or a Group of Students</font></h3>'.
-	    '<table border="0"><tr><td colspan=3><font size=+1>'.
-		    '<b>Problem: </b>'.$ENV{'form.probTitle'}.'</font></td></tr>'.$result;
+    my $result='<h3><font color="#339933">&nbsp;'.$viewgrade.
+	' Submissions for a Student or a Group of Students</font></h3>';
+
+    my ($table,undef,$hdgrade,$partlist,$handgrade) = &showResourceInfo($url,$ENV{'form.probTitle'});
+    $result.=$table;
 
     $request->print(<<LISTJAVASCRIPT);
 <script type="text/javascript" language="javascript">
@@ -385,7 +572,7 @@ sub listStudents {
 	    sense = "the student";
 	}
 	if (ctr == 0) {
-	    alert("Please select "+sense+" before clicking on the $viewgrade button.");
+	    alert("Please select "+sense+" before clicking on the Next button.");
 	    return false;
 	}
 	document.gradesub.submit();
@@ -396,45 +583,35 @@ sub listStudents {
 	formname.command.value = 'submission';
 	formname.submit();
     }
-
-    function pullDownSelection(selectOne) {
-	var selection="";
-	if (selectOne.length > 1) {
-	    for (var i=0; i<selectOne.length; i++) {
-		if (selectOne[i].selected) {
-		    return selectOne[i].value;
-		}
-	    }
-	} else {
-	    if (selectOne.selected) return selectOne.value;
-	}
-    }
 </script>
 LISTJAVASCRIPT
 
+    &commonJSfunctions($request);
     $request->print($result);
 
-    my $checkhdgrade = $ENV{'form.handgrade'} eq 'yes' ? 'checked' : '';
-    my $checklastsub = $ENV{'form.handgrade'} eq 'yes' ? '' : 'checked';
-
+    my $checkhdgrade = ($ENV{'form.handgrade'} eq 'yes' && scalar(@$partlist) > 1 ) ? 'checked' : '';
+    my $checklastsub = $checkhdgrade eq '' ? 'checked' : '';
     my $gradeTable='<form action="/adm/grades" method="post" name="gradesub">'."\n".
-	'&nbsp;<b>View Problem Text: </b><input type="radio" name="vProb" value="no" checked /> no '."\n".
+	'&nbsp;<b>View Problem Text: </b><input type="radio" name="vProb" value="no" checked="on" /> no '."\n".
 	'<input type="radio" name="vProb" value="yes" /> one student '."\n".
 	'<input type="radio" name="vProb" value="all" /> all students <br />'."\n".
+	'&nbsp;<b>View Answer: </b><input type="radio" name="vAns" value="no"  /> no '."\n".
+	'<input type="radio" name="vAns" value="yes" /> one student '."\n".
+	'<input type="radio" name="vAns" value="all" checked="on" /> all students <br />'."\n".
 	'&nbsp;<b>Submissions: </b>'."\n";
-    if ($ENV{'form.handgrade'} eq 'yes') {
-	$gradeTable.='<input type="radio" name="lastSub" value="hdgrade" '.$checkhdgrade.' /> handgrade only'."\n";
+    if ($ENV{'form.handgrade'} eq 'yes' && scalar(@$partlist) > 1) {
+	$gradeTable.='<input type="radio" name="lastSub" value="hdgrade" '.$checkhdgrade.' /> essay part only'."\n";
     }
 
     my $saveStatus = $ENV{'form.Status'} eq '' ? 'Active' : $ENV{'form.Status'};
     $ENV{'form.Status'} = $saveStatus;
 
-    $gradeTable.='<input type="radio" name="lastSub" value="lastonly" '.$checklastsub.' /> last sub only'."\n".
-	'<input type="radio" name="lastSub" value="last" /> last sub & parts info'."\n".
+    $gradeTable.='<input type="radio" name="lastSub" value="lastonly" '.$checklastsub.' /> last submission only'."\n".
+	'<input type="radio" name="lastSub" value="last" /> last submission & parts info'."\n".
+	'<input type="radio" name="lastSub" value="datesub" /> by dates and submissions'."\n".
 	'<input type="radio" name="lastSub" value="all" /> all details'."\n".
 	'<input type="hidden" name="section"     value="'.$getsec.'" />'."\n".
 	'<input type="hidden" name="submitonly"  value="'.$submitonly.'" />'."\n".
-	'<input type="hidden" name="response"    value="'.$ENV{'form.response'}.'" />'."\n".
 	'<input type="hidden" name="handgrade"   value="'.$ENV{'form.handgrade'}.'" /><br />'."\n".
 	'<input type="hidden" name="showgrading" value="'.$ENV{'form.showgrading'}.'" /><br />'."\n".
 	'<input type="hidden" name="saveState"   value="'.$ENV{'form.saveState'}.'" />'."\n".
@@ -443,30 +620,34 @@ LISTJAVASCRIPT
 	'<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
 	'<input type="hidden" name="saveStatusOld" value="'.$saveStatus.'" />'."\n";
 
-    $gradeTable.='<b>Student Status:</b> '.
-	&Apache::lonhtmlcommon::StatusOptions($saveStatus,undef,1,'javascript:reLoadList(this.form);').'<br />';
+    if (exists($ENV{'form.gradingMenu'}) && exists($ENV{'form.Status'})) {
+	$gradeTable.='<input type="hidden" name="Status"   value="'.$ENV{'form.Status'}.'" />'."\n";
+    } else {
+	$gradeTable.='<b>Student Status:</b> '.
+	    &Apache::lonhtmlcommon::StatusOptions($saveStatus,undef,1,'javascript:reLoadList(this.form);').'<br />';
+    }
 
-    $gradeTable.='To '.lc($viewgrade).' a submission, click on the check box next to the student\'s name. Then '."\n".
-	'click on the '.$viewgrade.' button. To view the submissions for a group of students, click'."\n".
-	' on the check boxes for the group of students.<br />'."\n".
+    $gradeTable.='To '.lc($viewgrade).' a submission or a group of submissions, click on the check box(es) '.
+	'next to the student\'s name(s). Then click on the Next button.<br />'."\n".
 	'<input type="hidden" name="command" value="processGroup" />'."\n";
     $gradeTable.='<input type="button" '."\n".
 	'onClick="javascript:checkSelect(this.form.stuinfo);" '."\n".
-	'value="'.$viewgrade.'" />'."\n";
-
+	'value="Next->" />'."\n";
+    $gradeTable.='<input type="checkbox" name="checkPlag" checked="on">Check For Plagiarism</input>';
     my (undef, undef, $fullname) = &getclasslist($getsec,'1');  
     $gradeTable.='<table border="0"><tr><td bgcolor="#777777">'.
 	'<table border="0"><tr bgcolor="#e6ffff">';
     my $loop = 0;
     while ($loop < 2) {
-	$gradeTable.='<td><b>&nbsp;Select&nbsp;</b></td><td><b>&nbsp;Fullname&nbsp;</b>'.
-	    '<font color="#999999">(Username)</font>&nbsp;</td>';
+	$gradeTable.='<td><b>&nbsp;No.</b>&nbsp;</td><td><b>&nbsp;Select&nbsp;</b></td>'.
+	    '<td>'.&nameUserString('header').'</td>';
 	if ($ENV{'form.showgrading'} eq 'yes' && $submitonly ne 'all') {
 	    foreach (sort(@$partlist)) {
 		$gradeTable.='<td><b>&nbsp;Part '.(split(/_/))[0].' Status&nbsp;</b></td>';
 	    }
 	}
 	$loop++;
+#	$gradeTable.='<td></td>' if ($loop%2 ==1);
     }
     $gradeTable.='</tr>'."\n";
 
@@ -476,27 +657,31 @@ LISTJAVASCRIPT
 	my %status = ();
 	if ($ENV{'form.showgrading'} eq 'yes' && $submitonly ne 'all') {
 	    (%status) =&student_gradeStatus($url,$symb,$udom,$uname,$partlist);
-	    my $statusflg = '';
+	    my $submitted = 0;
+	    my $graded = 1;
 	    foreach (keys(%status)) {
-		$statusflg = 1 if ($status{$_} ne 'nothing');
+		$submitted = 1 if ($status{$_} ne 'nothing');
+		$graded = 0 if ($status{$_} =~ /^correct/);
 		my ($foo,$partid,$foo1) = split(/\./,$_);
 		if ($status{'resource.'.$partid.'.submitted_by'} ne '') {
-		    $statusflg = '';
+		    $submitted = 0;
+		    my ($part)=split(/\./,$partid);
 		    $gradeTable.='<input type="hidden" name="'.
-			$student.':submitted_by" value="'.
+			$student.':'.$part.':submitted_by" value="'.
 			$status{'resource.'.$partid.'.submitted_by'}.'" />';
 		}
 	    }
-	    next if ($statusflg eq '' && $submitonly eq 'yes');
+	    next if (!$submitted && ($submitonly eq 'yes' || $submitonly eq 'graded'));
+	    next if (!$graded && $submitonly eq 'graded');
 	}
 
 	$ctr++;
 	if ( $perm{'vgr'} eq 'F' ) {
 	    $gradeTable.='<tr bgcolor="#ffffe6">' if ($ctr%2 ==1);
-	    $gradeTable.='<td align="center"><input type=checkbox name="stuinfo" value="'.
+	    $gradeTable.='<td align="right">'.$ctr.'&nbsp;</td>'.
+		'<td align="center"><input type=checkbox name="stuinfo" value="'.
 		$student.':'.$$fullname{$student}.'&nbsp;"></td>'."\n".
-		'<td>&nbsp;'.$$fullname{$student}.'&nbsp;'."\n".
-		'<font color="#999999">('.$uname.')</font></td>'."\n";
+		'<td>'.&nameUserString(undef,$$fullname{$student},$uname,$udom).'</td>'."\n";
 
 	    if ($ENV{'form.showgrading'} eq 'yes' && $submitonly ne 'all') {
 		foreach (sort keys(%status)) {
@@ -504,11 +689,12 @@ LISTJAVASCRIPT
 		    $gradeTable.='<td align="middle">&nbsp;'.$status{$_}.'&nbsp;</td>'."\n";
 		}
 	    }
+#	    $gradeTable.='<td></td>' if ($ctr%2 ==1);
 	    $gradeTable.='</tr>'."\n" if ($ctr%2 ==0);
 	}
     }
     if ($ctr%2 ==1) {
-	$gradeTable.='<td>&nbsp;</td><td>&nbsp;</td>';
+	$gradeTable.='<td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td>';
 	    if ($ENV{'form.showgrading'} eq 'yes' && $submitonly ne 'all') {
 		foreach (@$partlist) {
 		    $gradeTable.='<td>&nbsp;</td>';
@@ -520,7 +706,7 @@ LISTJAVASCRIPT
     $gradeTable.='</table></td></tr></table>'.
 	'<input type="button" '.
 	'onClick="javascript:checkSelect(this.form.stuinfo);" '.
-	'value="'.$viewgrade.'" /></form>'."\n";
+	'value="Next->" /></form>'."\n";
     if ($ctr == 0) {
 	my $num_students=(scalar(keys(%$fullname)));
 	if ($num_students eq 0) {
@@ -528,7 +714,7 @@ LISTJAVASCRIPT
 	} else {
 	    $gradeTable='<br />&nbsp;<font color="red">'.
 		'No submissions found for this resource for any students. ('.$num_students.
-		' checked for submissions</font><br />';
+		' checked for submissions)</font><br />';
 	}
     } elsif ($ctr == 1) {
 	$gradeTable =~ s/type=checkbox/type=checkbox checked/;
@@ -569,9 +755,9 @@ sub sub_page_js {
     $request->print(<<SUBJAVASCRIPT);
 <script type="text/javascript" language="javascript">
     function updateRadio(formname,id,weight) {
-	var gradeBox = eval("formname.GD_BOX"+id);
-	var radioButton = eval("formname.RADVAL"+id);
-	var oldpts = eval("formname.oldpts"+id+".value");
+	var gradeBox = formname["GD_BOX"+id];
+	var radioButton = formname["RADVAL"+id];
+	var oldpts = formname["oldpts"+id].value;
 	var pts = checkSolved(formname,id) == 'update' ? gradeBox.value : oldpts;
 	gradeBox.value = pts;
 	var resetbox = false;
@@ -593,7 +779,7 @@ sub sub_page_js {
 	    var resp = confirm("You entered a value ("+pts+
 			       ") greater than the weight for the part. Accept?");
 	    if (resp == false) {
-		gradeBox.value = "";
+		gradeBox.value = oldpts;
 		return;
 	    }
 	}
@@ -605,18 +791,17 @@ sub sub_page_js {
 	    }
 	}
 	updateSelect(formname,id);
-	var stores = eval("formname.stores"+id);
-	stores.value = "0";
+	formname["stores"+id].value = "0";
     }
 
     function writeBox(formname,id,pts) {
-	var gradeBox = eval("formname.GD_BOX"+id);
+	var gradeBox = formname["GD_BOX"+id];
 	if (checkSolved(formname,id) == 'update') {
 	    gradeBox.value = pts;
 	} else {
-	    var oldpts = eval("formname.oldpts"+id+".value");
+	    var oldpts = formname["oldpts"+id].value;
 	    gradeBox.value = oldpts;
-	    var radioButton = eval("formname.RADVAL"+id);
+	    var radioButton = formname["RADVAL"+id];
 	    for (var i=0; i<radioButton.length; i++) {
 		radioButton[i].checked=false;
 		if (i == oldpts) {
@@ -624,8 +809,7 @@ sub sub_page_js {
 		}
 	    }
 	}
-	var stores = eval("formname.stores"+id);
-	stores.value = "0";
+	formname["stores"+id].value = "0";
 	updateSelect(formname,id);
 	return;
     }
@@ -635,17 +819,17 @@ sub sub_page_js {
 	    updateSelect(formname,id);
 	    return;
 	}
-	gradeSelect = eval("formname.GD_SEL"+id);
+	gradeSelect = formname["GD_SEL"+id];
 	for (var i=0; i<gradeSelect.length; i++) {
 	    if (gradeSelect[i].selected) {
 		var selectx=i;
 	    }
 	}
-	var stores = eval("formname.stores"+id);
+	var stores = formname["stores"+id];
 	if (selectx == stores.value) { return };
-	var gradeBox = eval("formname.GD_BOX"+id);
+	var gradeBox = formname["GD_BOX"+id];
 	gradeBox.value = "";
-	var radioButton = eval("formname.RADVAL"+id);
+	var radioButton = formname["RADVAL"+id];
 	for (var i=0; i<radioButton.length; i++) {
 	    radioButton[i].checked=false;
 	}
@@ -653,34 +837,35 @@ sub sub_page_js {
     }
 
     function checkSolved(formname,id) {
-	if (eval("formname.solved"+id+".value") == "correct_by_student") {
-	    alert("This problem has been graded correct by the computer. The score cannot be changed.");
-	    return "noupdate";
+	if (formname["solved"+id].value == "correct_by_student" && formname.overRideScore.value == 'no') {
+	    var reply = confirm("This problem has been graded correct by the computer. Do you want to change the score?");
+	    if (!reply) {return "noupdate";}
+	    formname.overRideScore.value = 'yes';
 	}
 	return "update";
     }
 
     function updateSelect(formname,id) {
-	var gradeSelect = eval("formname.GD_SEL"+id);
-	gradeSelect[0].selected = true;
+	formname["GD_SEL"+id][0].selected = true;
 	return;
     }
 
-//=========== Check that a point is assigned for all the parts (essay grading only) ============
+//=========== Check that a point is assigned for all the parts  ============
     function checksubmit(formname,val,total,parttot) {
-	document.SCORE.gradeOpt.value = val;
+	formname.gradeOpt.value = val;
 	if (val == "Save & Next") {
 	    for (i=0;i<=total;i++) {
 		for (j=0;j<parttot;j++) {
-		    var partid = eval("formname.partid"+i+"_"+j+".value");
-		    var selopt = eval("formname.GD_SEL"+i+"_"+partid);
-		    if (selopt[0].selected) {
-			var points = eval("formname.GD_BOX"+i+"_"+partid+".value");
+		    var partid = formname["partid"+i+"_"+j].value;
+		    if (formname["GD_SEL"+i+"_"+partid][0].selected) {
+			var points = formname["GD_BOX"+i+"_"+partid].value;
 			if (points == "") {
-			    var name = eval("formname.name"+i+".value");
-			    var resp = confirm("You did not assign a score for "+name+", part "+partid+". Continue?");
+			    var name = formname["name"+i].value;
+			    var studentID = (name != '' ? name : formname["unamedom"+i].value);
+			    var resp = confirm("You did not assign a score for "+studentID+
+					       ", part "+partid+". Continue?");
 			    if (resp == false) {
-				eval("formname.GD_BOX"+i+"_"+partid+".focus()");
+				formname["GD_BOX"+i+"_"+partid].focus();
 				return false;
 			    }
 			}
@@ -690,6 +875,13 @@ sub sub_page_js {
 	    }
 	    
 	}
+	if (val == "Grade Student") {
+	    formname.showgrading.value = "yes";
+	    if (formname.Status.value == "") {
+		formname.Status.value = "Active";
+	    }
+	    formname.studentNo.value = total;
+	}
 	formname.submit();
     }
 
@@ -698,11 +890,10 @@ sub sub_page_js {
 	noscore = new Array(100);
 	var ptr = 0;
 	for (i=1;i<total;i++) {
-	    var partid = eval("formname.q_"+i+".value");
-	    var selopt = eval("formname.GD_SEL"+i+"_"+partid);
-	    if (selopt[0].selected) {
-		var points = eval("formname.GD_BOX"+i+"_"+partid+".value");
-		var status = eval("formname.solved"+i+"_"+partid+".value");
+	    var partid = formname["q_"+i].value;
+	    if (formname["GD_SEL"+i+"_"+partid][0].selected) {
+		var points = formname["GD_BOX"+i+"_"+partid].value;
+		var status = formname["solved"+i+"_"+partid].value;
 		if (points == "" && status != "correct_by_student") {
 		    noscore[ptr] = i;
 		    ptr++;
@@ -738,18 +929,19 @@ SUBJAVASCRIPT
 sub sub_page_kw_js {
     my $request = shift;
     my $iconpath = $request->dir_config('lonIconsURL');
+    &commonJSfunctions($request);
     $request->print(<<SUBJAVASCRIPT);
 <script type="text/javascript" language="javascript">
 
 //===================== Show list of keywords ====================
-  function keywords(keyform) {
-    var nret = prompt("Keywords list, separated by a space. Add/delete to list if desired.",keyform.value);
+  function keywords(formname) {
+    var nret = prompt("Keywords list, separated by a space. Add/delete to list if desired.",formname.keywords.value);
     if (nret==null) return;
-    keyform.value = nret;
+    formname.keywords.value = nret;
 
-    document.SCORE.refresh.value = "on";
-    if (document.SCORE.keywords.value != "") {
-	document.SCORE.submit();
+    if (formname.keywords.value != "") {
+	formname.refresh.value = "on";
+	formname.submit();
     }
     return;
   }
@@ -775,10 +967,9 @@ sub sub_page_kw_js {
     }
     var nret = prompt("Add selection to keyword list? Edit if desired.",cleantxt);
     if (nret==null) return;
-    var curlist = document.SCORE.keywords.value;
-    document.SCORE.keywords.value = curlist+" "+nret;
-    document.SCORE.refresh.value = "on";
+    document.SCORE.keywords.value = document.SCORE.keywords.value+" "+nret;
     if (document.SCORE.keywords.value != "") {
+	document.SCORE.refresh.value = "on";
 	document.SCORE.submit();
     }
     return;
@@ -795,21 +986,23 @@ sub sub_page_kw_js {
     var Nmsg  = msgform.savemsgN.value;
     savedMsgHeader(Nmsg,usrctr,fullname);
     var subject = msgform.msgsub.value;
-    var rtrchk  = eval("document.SCORE.includemsg"+usrctr);
-    var msgchk = rtrchk.value;
+    var msgchk = document.SCORE["includemsg"+usrctr].value;
     re = /msgsub/;
     var shwsel = "";
     if (re.test(msgchk)) { shwsel = "checked" }
-    displaySubject(subject,shwsel);
+    subject = (document.SCORE.shownSub.value == 0 ? checkEntities(subject) : subject);
+    displaySubject(checkEntities(subject),shwsel);
     for (var i=1; i<=Nmsg; i++) {
-	var testpt = "savemsg"+i+",";
-	re = /testpt/;
+	var testmsg = "savemsg"+i+",";
+	re = new RegExp(testmsg,"g");
 	shwsel = "";
 	if (re.test(msgchk)) { shwsel = "checked" }
-	var message = eval("document.SCORE.savemsg"+i+".value");
-	displaySavedMsg(i,message,shwsel);
+	var message = document.SCORE["savemsg"+i].value;
+	message = (document.SCORE["shownOnce"+i].value == 0 ? checkEntities(message) : message);
+	displaySavedMsg(i,message,shwsel); //I do not get it. w/o checkEntities on saved messages,
+	                                   //any &lt; is already converted to <, etc. However, only once!!
     }
-    newmsg = eval("document.SCORE.newmsg"+usrctr+".value");
+    newmsg = document.SCORE["newmsg"+usrctr].value;
     shwsel = "";
     re = /newmsg/;
     if (re.test(msgchk)) { shwsel = "checked" }
@@ -818,7 +1011,22 @@ sub sub_page_kw_js {
     return;
   }
 
-//  var pWin = null;
+  function checkEntities(strx) {
+    if (strx.length == 0) return strx;
+    var orgStr = ["&", "<", ">", '"']; 
+    var newStr = ["&amp;", "&lt;", "&gt;", "&quot;"];
+    var counter = 0;
+    while (counter < 4) {
+	strx = strReplace(strx,orgStr[counter],newStr[counter]);
+	counter++;
+    }
+    return strx;
+  }
+
+  function strReplace(strx, orgStr, newStr) {
+    return strx.split(orgStr).join(newStr);
+  }
+
   function savedMsgHeader(Nmsg,usrctr,fullname) {
     var height = 70*Nmsg+250;
     var scrollbar = "no";
@@ -826,20 +1034,25 @@ sub sub_page_kw_js {
 	height = 600;
 	scrollbar = "yes";
     }
-//    if (window.pWin) {window.pWin.close(); window.pWin=null}
-    pWin = window.open('', 'MessageCenter', 'toolbar=no,location=no,scrollbars='+scrollbar+',screenx=70,screeny=75,width=600,height='+height);
+    var xpos = (screen.width-600)/2;
+    xpos = (xpos < 0) ? '0' : xpos;
+    var ypos = (screen.height-height)/2-30;
+    ypos = (ypos < 0) ? '0' : ypos;
+
+    pWin = window.open('', 'MessageCenter', 'toolbar=no,location=no,scrollbars='+scrollbar+',screenx='+xpos+',screeny='+ypos+',width=600,height='+height);
     pWin.focus();
     pDoc = pWin.document;
+    pDoc.open('text/html','replace');
     pDoc.write("<html><head>");
     pDoc.write("<title>Message Central</title>");
 
     pDoc.write("<script language=javascript>");
     pDoc.write("function checkInput() {");
-    pDoc.write("  opener.document.SCORE.msgsub.value = document.msgcenter.msgsub.value;");
+    pDoc.write("  opener.document.SCORE.msgsub.value = opener.checkEntities(document.msgcenter.msgsub.value);");
     pDoc.write("  var nmsg   = opener.document.SCORE.savemsgN.value;");
     pDoc.write("  var usrctr = document.msgcenter.usrctr.value;");
-    pDoc.write("  var newval = eval(\\"opener.document.SCORE.newmsg\\"+usrctr);");
-    pDoc.write("  newval.value = document.msgcenter.newmsg.value;");
+    pDoc.write("  var newval = opener.document.SCORE[\\"newmsg\\"+usrctr];");
+    pDoc.write("  newval.value = opener.checkEntities(document.msgcenter.newmsg.value);");
 
     pDoc.write("  var msgchk = \\"\\";");
     pDoc.write("  if (document.msgcenter.subchk.checked) {");
@@ -847,10 +1060,12 @@ sub sub_page_kw_js {
     pDoc.write("  }");
     pDoc.write("  var includemsg = 0;");
     pDoc.write("  for (var i=1; i<=nmsg; i++) {");
-    pDoc.write("      var opnmsg = eval(\\"opener.document.SCORE.savemsg\\"+i);");
-    pDoc.write("      var frmmsg = eval(\\"document.msgcenter.msg\\"+i);");
-    pDoc.write("      opnmsg.value = frmmsg.value;");
-    pDoc.write("      var chkbox = eval(\\"document.msgcenter.msgn\\"+i);");
+    pDoc.write("      var opnmsg = opener.document.SCORE[\\"savemsg\\"+i];");
+    pDoc.write("      var frmmsg = document.msgcenter[\\"msg\\"+i];");
+    pDoc.write("      opnmsg.value = opener.checkEntities(frmmsg.value);");
+    pDoc.write("      var showflg = opener.document.SCORE[\\"shownOnce\\"+i];");
+    pDoc.write("      showflg.value = \\"1\\";");
+    pDoc.write("      var chkbox = document.msgcenter[\\"msgn\\"+i];");
     pDoc.write("      if (chkbox.checked) {");
     pDoc.write("         msgchk += \\"savemsg\\"+i+\\",\\";");
     pDoc.write("         includemsg = 1;");
@@ -860,9 +1075,9 @@ sub sub_page_kw_js {
     pDoc.write("     msgchk += \\"newmsg\\"+usrctr;");
     pDoc.write("     includemsg = 1;");
     pDoc.write("  }");
-    pDoc.write("  imgformname = eval(\\"opener.document.SCORE.mailicon\\"+usrctr);");
+    pDoc.write("  imgformname = opener.document.SCORE[\\"mailicon\\"+usrctr];");
     pDoc.write("  imgformname.src = \\"$iconpath/\\"+((includemsg) ? \\"mailto.gif\\" : \\"mailbkgrd.gif\\");");
-    pDoc.write("  var includemsg = eval(\\"opener.document.SCORE.includemsg\\"+usrctr);");
+    pDoc.write("  var includemsg = opener.document.SCORE[\\"includemsg\\"+usrctr];");
     pDoc.write("  includemsg.value = msgchk;");
 
     pDoc.write("  self.close()");
@@ -914,6 +1129,7 @@ sub sub_page_kw_js {
     pDoc.write("<input type=\\"button\\" value=\\"Cancel\\" onClick=\\"self.close()\\"><br><br>");
     pDoc.write("</form>");
     pDoc.write("</body></html>");
+    pDoc.close();
 }
 
 //====================== Script for keyword highlight options ==============
@@ -947,20 +1163,25 @@ sub sub_page_kw_js {
     return;
   }
 
-//  var hwdWin = null;
   function highlightCentral() {
 //    if (window.hwdWin) window.hwdWin.close();
-    hwdWin = window.open('', 'KeywordHighlightCentral', 'toolbar=no,location=no,scrollbars=no,width=400,height=300,screenx=100,screeny=75');
+    var xpos = (screen.width-400)/2;
+    xpos = (xpos < 0) ? '0' : xpos;
+    var ypos = (screen.height-330)/2-30;
+    ypos = (ypos < 0) ? '0' : ypos;
+
+    hwdWin = window.open('', 'KeywordHighlightCentral', 'toolbar=no,location=no,scrollbars=no,width=400,height=300,screenx='+xpos+',screeny='+ypos);
     hwdWin.focus();
     var hDoc = hwdWin.document;
+    hDoc.open('text/html','replace');
     hDoc.write("<html><head>");
     hDoc.write("<title>Highlight Central</title>");
 
     hDoc.write("<script language=javascript>");
     hDoc.write("function updateChoice(flag) {");
-    hDoc.write("  opener.document.SCORE.kwclr.value = radioSelection(document.hlCenter.kwdclr);");
-    hDoc.write("  opener.document.SCORE.kwsize.value = radioSelection(document.hlCenter.kwdsize);");
-    hDoc.write("  opener.document.SCORE.kwstyle.value = radioSelection(document.hlCenter.kwdstyle);");
+    hDoc.write("  opener.document.SCORE.kwclr.value = opener.radioSelection(document.hlCenter.kwdclr);");
+    hDoc.write("  opener.document.SCORE.kwsize.value = opener.radioSelection(document.hlCenter.kwdsize);");
+    hDoc.write("  opener.document.SCORE.kwstyle.value = opener.radioSelection(document.hlCenter.kwdstyle);");
     hDoc.write("  opener.document.SCORE.refresh.value = \\"on\\";");
     hDoc.write("  if (opener.document.SCORE.keywords.value!=\\"\\"){");
     hDoc.write("     opener.document.SCORE.submit();");
@@ -968,16 +1189,6 @@ sub sub_page_kw_js {
     hDoc.write("  self.close()");
     hDoc.write("}");
 
-    hDoc.write("function radioSelection(radioButton) {");
-    hDoc.write("    var selection=null;");
-    hDoc.write("    for (var i=0; i<radioButton.length; i++) {");
-    hDoc.write("        if (radioButton[i].checked) {");
-    hDoc.write("            selection=radioButton[i].value;");
-    hDoc.write("            return selection;");
-    hDoc.write("        }");
-    hDoc.write("    }");
-    hDoc.write("}");
-
     hDoc.write("<");
     hDoc.write("/script>");
 
@@ -1011,6 +1222,7 @@ sub sub_page_kw_js {
     hDoc.write("<input type=\\"button\\" value=\\"Cancel\\" onClick=\\"self.close()\\"><br><br>");
     hDoc.write("</form>");
     hDoc.write("</body></html>");
+    hDoc.close();
   }
 
 </script>
@@ -1060,11 +1272,12 @@ sub gradeBox {
 	'onChange="javascript:clearRadBox(this.form,\''.$counter.'_'.$partid.'\')" >'."\n";
     if ($$record{'resource.'.$partid.'.solved'} eq 'excused') {
 	$result.='<option> </option>'.
-	    '<option selected="on">excused</option></select>'."\n";
+	    '<option selected="on">excused</option>';
     } else {
 	$result.='<option selected="on"> </option>'.
-	    '<option>excused</option></select>'."\n";
+	    '<option>excused</option>';
     }
+    $result.='<option>reset status</option></select>'."\n";
     $result.="&nbsp&nbsp\n";
     $result.='<input type="hidden" name="stores'.$counter.'_'.$partid.'" value="" />'."\n".
 	'<input type="hidden" name="oldpts'.$counter.'_'.$partid.'" value="'.$score.'" />'."\n".
@@ -1075,27 +1288,46 @@ sub gradeBox {
 }
 
 sub show_problem {
-    my ($request,$symb,$uname,$udom,$removeform,$viewon) = @_;
-    my $rendered=&Apache::loncommon::get_student_view($symb,$uname,$udom,
-						      $ENV{'request.course.id'});
+    my ($request,$symb,$uname,$udom,$removeform,$viewon,$mode) = @_;
+    my $rendered;
+    if ($mode eq 'both' or $mode eq 'text') {
+	$rendered=&Apache::loncommon::get_student_view($symb,$uname,$udom,
+					     $ENV{'request.course.id'});
+    }
     if ($removeform) {
 	$rendered=~s|<form(.*?)>||g;
 	$rendered=~s|</form>||g;
 	$rendered=~s|name="submit"|name="would_have_been_submit"|g;
     }
-    my $companswer=&Apache::loncommon::get_student_answers($symb,$uname,$udom,
-							   $ENV{'request.course.id'});
+    my $companswer;
+    if ($mode eq 'both' or $mode eq 'answer') {
+	$companswer=&Apache::loncommon::get_student_answers($symb,$uname,$udom,
+						    $ENV{'request.course.id'});
+    }
     if ($removeform) {
 	$companswer=~s|<form(.*?)>||g;
 	$companswer=~s|</form>||g;
-	$rendered=~s|name="submit"|name="would_have_been_submit"|g;
+	$companswer=~s|name="submit"|name="would_have_been_submit"|g;
     }
     my $result.='<table border="0" width="100%"><tr><td bgcolor="#777777">';
     $result.='<table border="0" width="100%">';
-    $result.='<tr><td bgcolor="#e6ffff"><b> View of the problem - '.$ENV{'form.fullname'}.
-	'</b></td></tr>' if ($viewon);
-    $result.='<tr><td bgcolor="#ffffff">'.$rendered.'<br />';
-    $result.='<b>Correct answer:</b><br />'.$companswer;
+    if ($viewon) {
+	$result.='<tr><td bgcolor="#e6ffff"><b> ';
+	if ($mode eq 'both' or $mode eq 'text') {
+	    $result.='View of the problem - ';
+	} else {
+	    $result.='Correct answer: ';
+	}
+	$result.=$ENV{'form.fullname'}.'</b></td></tr>';
+    }
+    if ($mode eq 'both') {
+	$result.='<tr><td bgcolor="#ffffff">'.$rendered.'<br />';
+	$result.='<b>Correct answer:</b><br />'.$companswer;
+    } elsif ($mode eq 'text') {
+	$result.='<tr><td bgcolor="#ffffff">'.$rendered;
+    } elsif ($mode eq 'answer') {
+	$result.='<tr><td bgcolor="#ffffff">'.$companswer;
+    }
     $result.='</td></tr></table>';
     $result.='</td></tr></table><br />';
     return $result;
@@ -1107,6 +1339,7 @@ sub submission {
 
     (my $url=$ENV{'form.url'})=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
     my ($uname,$udom)     = ($ENV{'form.student'},$ENV{'form.userdom'});
+    $udom = ($udom eq '' ? $ENV{'user.domain'} : $udom); #has form.userdom changed for a student?
     my $usec = &Apache::lonnet::getsection($udom,$uname,$ENV{'request.course.id'});
     $ENV{'form.fullname'} = &get_fullname ($uname,$udom) if $ENV{'form.fullname'} eq '';
 
@@ -1120,28 +1353,45 @@ sub submission {
 	return;
     }
 
+    $ENV{'form.lastSub'} = ($ENV{'form.lastSub'} eq '' ? 'datesub' : $ENV{'form.lastSub'});
     my $last = ($ENV{'form.lastSub'} eq 'last' ? 'last' : '');
+    my $checkIcon = '<img src="'.$request->dir_config('lonIconsURL').
+	'/check.gif" height="16" border="0" />';
 
     # header info
     if ($counter == 0) {
 	&sub_page_js($request);
-	&sub_page_kw_js($request);
+	&sub_page_kw_js($request) if ($ENV{'form.handgrade'} eq 'yes');
 	$ENV{'form.probTitle'} = $ENV{'form.probTitle'} eq '' ? 
 	    &Apache::lonnet::gettitle($symb) : $ENV{'form.probTitle'};
 
 	$request->print('<h3>&nbsp;<font color="#339933">Submission Record</font></h3>'."\n".
-			'<font size=+1>&nbsp;<b>Problem: </b>'.$ENV{'form.probTitle'}.'</font>'."\n");
+			'<font size=+1>&nbsp;<b>Resource: </b>'.$ENV{'form.probTitle'}.'</font>'."\n");
+
+	if ($ENV{'form.handgrade'} eq 'no') {
+	    my $checkMark='<br /><br />&nbsp;<b>Note:</b> Part(s) graded correct by the computer is marked with a '.
+		$checkIcon.' symbol.'."\n";
+	    $request->print($checkMark);
+	}
 
 	# option to display problem, only once else it cause problems 
         # with the form later since the problem has a form.
-	if ($ENV{'form.vProb'} eq 'yes' or !$ENV{'form.vProb'}) {
-	    $request->print(&show_problem($request,$symb,$uname,$udom,0,1));
+	if ($ENV{'form.vProb'} eq 'yes' or $ENV{'form.vAns'} eq 'yes') {
+	    my $mode;
+	    if ($ENV{'form.vProb'} eq 'yes' && $ENV{'form.vAns'} eq 'yes') {
+		$mode='both';
+	    } elsif ($ENV{'form.vProb'} eq 'yes') {
+		$mode='text';
+	    } elsif ($ENV{'form.vAns'} eq 'yes') {
+		$mode='answer';
+	    }
+	    $request->print(&show_problem($request,$symb,$uname,$udom,0,1,$mode));
 	}
 	
 	# kwclr is the only variable that is guaranteed to be non blank 
         # if this subroutine has been called once.
 	my %keyhash = ();
-	if ($ENV{'form.kwclr'} eq '') {
+	if ($ENV{'form.kwclr'} eq '' && $ENV{'form.handgrade'} eq 'yes') {
 	    %keyhash = &Apache::lonnet::dump('nohist_handgrade',
 					     $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
 					     $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
@@ -1154,39 +1404,47 @@ sub submission {
 	    $ENV{'form.msgsub'}   = $keyhash{$symb.'_subject'} ne '' ? 
 		$keyhash{$symb.'_subject'} : $ENV{'form.probTitle'};
 	    $ENV{'form.savemsgN'} = $keyhash{$symb.'_savemsgN'} ne '' ? $keyhash{$symb.'_savemsgN'} : '0';
-
 	}
+	my $overRideScore = $ENV{'form.overRideScore'} eq '' ? 'no' : $ENV{'form.overRideScore'};
 
 	$request->print('<form action="/adm/grades" method="post" name="SCORE">'."\n".
 			'<input type="hidden" name="command"    value="handgrade" />'."\n".
 			'<input type="hidden" name="saveState"  value="'.$ENV{'form.saveState'}.'" />'."\n".
+			'<input type="hidden" name="Status"     value="'.$ENV{'form.Status'}.'" />'."\n".
+			'<input type="hidden" name="overRideScore" value="'.$overRideScore.'" />'."\n".
 			'<input type="hidden" name="probTitle"  value="'.$ENV{'form.probTitle'}.'" />'."\n".
 			'<input type="hidden" name="refresh"    value="off" />'."\n".
+			'<input type="hidden" name="studentNo"  value="" />'."\n".
+			'<input type="hidden" name="gradeOpt"   value="" />'."\n".
 			'<input type="hidden" name="symb"       value="'.$symb.'" />'."\n".
 			'<input type="hidden" name="url"        value="'.$url.'" />'."\n".
 			'<input type="hidden" name="showgrading" value="'.$ENV{'form.showgrading'}.'" />'."\n".
 			'<input type="hidden" name="vProb"      value="'.$ENV{'form.vProb'}.'" />'."\n".
+			'<input type="hidden" name="vAns"       value="'.$ENV{'form.vAns'}.'" />'."\n".
 			'<input type="hidden" name="lastSub"    value="'.$ENV{'form.lastSub'}.'" />'."\n".
 			'<input type="hidden" name="section"    value="'.$ENV{'form.section'}.'">'."\n".
 			'<input type="hidden" name="submitonly" value="'.$ENV{'form.submitonly'}.'">'."\n".
-			'<input type="hidden" name="response"   value="'.$ENV{'form.response'}.'">'."\n".
 			'<input type="hidden" name="handgrade"  value="'.$ENV{'form.handgrade'}.'">'."\n".
-			'<input type="hidden" name="keywords"   value="'.$ENV{'form.keywords'}.'" />'."\n".
-			'<input type="hidden" name="kwclr"      value="'.$ENV{'form.kwclr'}.'" />'."\n".
-			'<input type="hidden" name="kwsize"     value="'.$ENV{'form.kwsize'}.'" />'."\n".
-			'<input type="hidden" name="kwstyle"    value="'.$ENV{'form.kwstyle'}.'" />'."\n".
-			'<input type="hidden" name="msgsub"     value="'.$ENV{'form.msgsub'}.'" />'."\n".
-			'<input type="hidden" name="savemsgN"   value="'.$ENV{'form.savemsgN'}.'" />'."\n".
 			'<input type="hidden" name="NCT"'.
 			' value="'.($ENV{'form.NTSTU'} ne '' ? $ENV{'form.NTSTU'} : $total+1).'" />'."\n");
+	if ($ENV{'form.handgrade'} eq 'yes') {
+	    $request->print('<input type="hidden" name="keywords" value="'.$ENV{'form.keywords'}.'" />'."\n".
+			    '<input type="hidden" name="kwclr"    value="'.$ENV{'form.kwclr'}.'" />'."\n".
+			    '<input type="hidden" name="kwsize"   value="'.$ENV{'form.kwsize'}.'" />'."\n".
+			    '<input type="hidden" name="kwstyle"  value="'.$ENV{'form.kwstyle'}.'" />'."\n".
+			    '<input type="hidden" name="msgsub"   value="'.$ENV{'form.msgsub'}.'" />'."\n".
+			    '<input type="hidden" name="shownSub" value="0" />'."\n".
+			    '<input type="hidden" name="savemsgN" value="'.$ENV{'form.savemsgN'}.'" />'."\n");
+	}
 	
 	my ($cts,$prnmsg) = (1,'');
 	while ($cts <= $ENV{'form.savemsgN'}) {
 	    $prnmsg.='<input type="hidden" name="savemsg'.$cts.'" value="'.
-		($keyhash{$symb.'_savemsg'.$cts} eq '' ? 
+		(!exists($keyhash{$symb.'_savemsg'.$cts}) ? 
 		 &Apache::lonfeedback::clear_out_html($ENV{'form.savemsg'.$cts}) :
 		 &Apache::lonfeedback::clear_out_html($keyhash{$symb.'_savemsg'.$cts})).
-		'" />'."\n";
+		'" />'."\n".
+		'<input type="hidden" name="shownOnce'.$cts.'" value="0" />'."\n";
 	    $cts++;
 	}
 	$request->print($prnmsg);
@@ -1197,7 +1455,7 @@ sub submission {
 #
 	    $request->print(<<KEYWORDS);
 &nbsp;<b>Keyword Options:</b>&nbsp;
-<a href="javascript:keywords(document.SCORE.keywords)"; TARGET=_self>List</a>&nbsp; &nbsp;
+<a href="javascript:keywords(document.SCORE)"; TARGET=_self>List</a>&nbsp; &nbsp;
 <a href="#" onMouseDown="javascript:getSel(); return false"
  CLASS="page">Paste Selection to List</a>&nbsp; &nbsp;
 <a href="javascript:kwhighlight()"; TARGET=_self>Highlight Attribute</a><br /><br />
@@ -1213,27 +1471,33 @@ KEYWORDS
         }
     }
 
-    if ($ENV{'form.vProb'} eq 'all') {
+    if ($ENV{'form.vProb'} eq 'all' or $ENV{'form.vAns'} eq 'all') {
 	$request->print('<br /><br /><br />') if ($counter > 0);
-	$request->print(&show_problem($request,$symb,$uname,$udom,1,1));
+	my $mode;
+	if ($ENV{'form.vProb'} eq 'all' && $ENV{'form.vAns'} eq 'all') {
+	    $mode='both';
+	} elsif ($ENV{'form.vProb'} eq 'all' ) {
+	    $mode='text';
+	} elsif ($ENV{'form.vAns'} eq 'all') {
+	    $mode='answer';
+	}
+	$request->print(&show_problem($request,$symb,$uname,$udom,1,1,$mode));
     }
 
     my %record = &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);
-    my ($partlist,$handgrade) = &response_type($url);
+
+    my ($partlist,$handgrade,$responseType) = &response_type($url,$symb);
 
     # Display student info
     $request->print(($counter == 0 ? '' : '<br />'));
     my $result='<table border="0" width=100%><tr><td bgcolor="#777777">'."\n".
 	'<table border="0" width=100%><tr bgcolor="#edffff"><td>'."\n";
 
-    $result.='<b>Fullname: </b>'.$ENV{'form.fullname'}.
-	'<font color="#999999">&nbsp; &nbsp;Username: '.$uname.
-	($ENV{'user.domain'} eq $udom ? '' : ' ('.$udom.')').'</font><br />'."\n";
-#	'<font color="#999999">&nbsp; &nbsp;Domain: '.$udom.'</font><br />'."\n";
+    $result.='<b>Fullname: </b>'.&nameUserString(undef,$ENV{'form.fullname'},$uname,$udom).'<br />'."\n";
     $result.='<input type="hidden" name="name'.$counter.
 	'" value="'.$ENV{'form.fullname'}.'" />'."\n";
 
-    # If this is an essay-response part(handgraded), then check for collaborators
+    # If any part of the problem is an essay-response (handgraded), then check for collaborators
     my @col_fullnames;
     my ($classlist,$fullname);
     if ($ENV{'form.handgrade'} eq 'yes') {
@@ -1269,8 +1533,10 @@ KEYWORDS
 		    $result.=$$fullname{$_}.'&nbsp; &nbsp; &nbsp;';
 		}
                 $result.='<br />'."\n";
+		my ($part)=split(/\./,$_);
 		$result.='<input type="hidden" name="collaborator'.$counter.
-		    '" value="'.(join ':',@goodcollaborators).'" />'."\n";
+		    '" value="'.$part.':'.(join ':',@goodcollaborators).'" />'.
+		    "\n";
 	    }
 	    if (scalar(@badcollaborators) > 0) {
 		$result.='<table border="0"><tr bgcolor="#ffbbbb"><td>';
@@ -1296,111 +1562,139 @@ KEYWORDS
     #             (3) Last submission plus the parts info
     #             (4) The whole record for this student
     if ($ENV{'form.lastSub'} =~ /^(lastonly|hdgrade)$/) {
-	if ($ENV{'form.'.$uname.':'.$udom.':submitted_by'}) {
-	    my $submitby=''.
-		'<b>Collaborative submission by: </b>'.
-		'<a href="javascript:viewSubmitter(\''.
-		$ENV{'form.'.$uname.':'.$udom.':submitted_by'}.
-		'\')"; TARGET=_self>'.
-		$$fullname{$ENV{'form.'.$uname.':'.$udom.':submitted_by'}}.'</a>';
-	    $request->print($submitby);
+	my ($string,$timestamp)= &get_last_submission(\%record);
+	my $lastsubonly=''.
+	    ($$timestamp eq '' ? '' : '<b>Date Submitted:</b> '.
+	     $$timestamp)."</td></tr>\n";
+	if ($$timestamp eq '') {
+	    $lastsubonly.='<tr><td bgcolor="#ffffe6">'.$$string[0]; 
 	} else {
-	    my ($string,$timestamp)=
-		&get_last_submission (%record);
-	    my $lastsubonly=''.
-		($$timestamp eq '' ? '' : '<b>Date Submitted:</b> '.
-		 $$timestamp).'';
-	    if ($$timestamp eq '') {
-		$lastsubonly.='<tr><td bgcolor="#ffffe6">'.$$string[0].'</td></tr>'."\n";
-	    } else {
-		for my $part (sort keys(%$handgrade)) {
-		    foreach (@$string) {
-			my ($partid,$respid) = /^resource\.(\w+)\.(\w+)\.submission/;
-			if ($part eq ($partid.'_'.$respid)) {
-			    my ($ressub,$subval) = split(/:/,$_,2);
-# Similarity check
-                            my $similar='';
-                            my ($oname,$odom,$ocrsid,$oessay,$osim)=&most_similar($uname,$udom,$subval);
-                            if ($osim) {
-				$osim=int($osim*100.0);
-				$similar='<hr /><h3><font color="#FF0000">Essay is '.$osim.
-				    '% similar to an essay by '.&Apache::loncommon::plainname($oname,$odom).
-                                '</font></h3><blockquote><i>'.
-                                &keywords_highlight($oessay).'</i></blockquote><hr />';
-                            }
-			    $lastsubonly.='<tr><td bgcolor="#ffffe6"><b>Part '.
-				$partid.'</b> <font color="#999999">( ID '.$respid.
-				' )</font>&nbsp; &nbsp;'.
-                                ($record{"resource.$partid.$respid.uploadedurl"}?
-                                '<a href="'.
-                                &Apache::lonnet::tokenwrapper($record{"resource.$partid.$respid.uploadedurl"}).
-				 '"><img src="/adm/lonIcons/unknown.gif" border=0"> File uploaded by student</a> '.
-				 '<font color="red" size="1">Like all files provided by users, '.
-				 'this file may contain virusses</font><br />':'').
-                                '<b>Answer: </b><blockquote>'.
-				&keywords_highlight($subval).'</blockquote><br />&nbsp;'.$similar.'</td></tr>'."\n"
-				if ($ENV{'form.lastSub'} eq 'lastonly' || 
-				    ($ENV{'form.lastSub'} eq 'hdgrade' && 
-				     $$handgrade{$part} =~ /:yes$/));
+	    my %seenparts;
+	    for my $part (sort keys(%$handgrade)) {
+		my ($partid,$respid) = split(/_/,$part);
+		if ($ENV{"form.$uname:$udom:$partid:submitted_by"}) {
+		    if (exists($seenparts{$partid})) { next; }
+		    $seenparts{$partid}=1;
+		    my $submitby='<b>Part '.$partid.
+			' Collaborative submission by: </b>'.
+			'<a href="javascript:viewSubmitter(\''.
+			$ENV{"form.$uname:$udom:$partid:submitted_by"}.
+			'\')"; TARGET=_self>'.
+			$$fullname{$ENV{"form.$uname:$udom:$partid:submitted_by"}}.'</a><br />';
+		    $request->print($submitby);
+		    next;
+		}
+		my $responsetype = $responseType->{$partid}->{$respid};
+		if (!exists($record{"resource.$partid.$respid.submission"})) {
+		    $lastsubonly.='<tr><td bgcolor="#ffffe6"><b>Part '.
+			$partid.'</b> <font color="#999999">( ID '.$respid.
+			' )</font>&nbsp; &nbsp;'.
+			'<font color="red">Nothing submitted - no attempts</font><br /><br />';
+		    next;
+		}
+		foreach (@$string) {
+		    my ($partid,$respid) = /^resource\.([^\.]*)\.([^\.]*)\.submission/;
+		    if ($part ne ($partid.'_'.$respid)) { next; }
+		    my ($ressub,$subval) = split(/:/,$_,2);
+		    # Similarity check
+		    my $similar='';
+		    if($ENV{'form.checkPlag'}){
+			my ($oname,$odom,$ocrsid,$oessay,$osim)=
+			    &most_similar($uname,$udom,$subval);
+			if ($osim) {
+			    $osim=int($osim*100.0);
+			    $similar="<hr /><h3><font color=\"#FF0000\">Essay".
+				" is $osim% similar to an essay by ".
+				&Apache::loncommon::plainname($oname,$odom).
+				'</font></h3><blockquote><i>'.
+				&keywords_highlight($oessay).
+				'</i></blockquote><hr />';
 			}
 		    }
+		    my $order=&get_order($partid,$respid,$symb,$uname,$udom);
+		    if ($ENV{'form.lastSub'} eq 'lastonly' || 
+			($ENV{'form.lastSub'} eq 'hdgrade' && 
+			 $$handgrade{$part} eq 'yes')) {
+			$lastsubonly.='<tr><td bgcolor="#ffffe6"><b>Part '.
+			    $partid.'</b> <font color="#999999">( ID '.$respid.
+			    ' )</font>&nbsp; &nbsp;';
+			if ($record{"resource.$partid.$respid.uploadedurl"}) {
+			    $lastsubonly.='<a href="'.&Apache::lonnet::tokenwrapper($record{"resource.$partid.$respid.uploadedurl"}).'"><img src="/adm/lonIcons/unknown.gif" border=0"> File uploaded by student</a> <font color="red" size="1">Like all files provided by users, this file may contain virusses</font><br />';
+			}
+			$lastsubonly.='<b>Submitted Answer: </b>'.
+			    &cleanRecord($subval,$responsetype,$symb,$partid,
+					 $respid,\%record,$order);
+			if ($similar) {$lastsubonly.="<br /><br />$similar\n";}
+		    }
 		}
 	    }
-	    $lastsubonly.='</td></tr>'."\n";
-	    $request->print($lastsubonly);
 	}
-    } else {
+	$lastsubonly.='</td></tr><tr bgcolor="#ffffff"><td>'."\n";
+	$request->print($lastsubonly);
+    } elsif ($ENV{'form.lastSub'} eq 'datesub') {
+	my (undef,$responseType,undef,$parts) = &showResourceInfo($url);
+	$request->print(&displaySubByDates($symb,\%record,$parts,$responseType,$checkIcon,$uname,$udom));
+    } elsif ($ENV{'form.lastSub'} =~ /^(last|all)$/) {
 	$request->print(&Apache::loncommon::get_previous_attempt($symb,$uname,$udom,
 								 $ENV{'request.course.id'},
 								 $last,'.submission',
 								 'Apache::grades::keywords_highlight'));
     }
+
+    $request->print('<input type="hidden" name="unamedom'.$counter.'" value="'.$uname.':'
+	.$udom.'" />'."\n");
     
     # return if view submission with no grading option
-#    if ($ENV{'form.showgrading'} eq '' || (!&canmodify($usec))) {
-    if (!&canmodify($usec)) {
-	$request->print('</td></tr></table></td></tr></table></form>'."\n");
-	$request->print(&show_grading_menu_form($symb,$url)) 
+    if ($ENV{'form.showgrading'} eq '' || (!&canmodify($usec))) {
+	my $toGrade.='<input type="button" value="Grade Student" '.
+	    'onClick="javascript:checksubmit(this.form,\'Grade Student\',\''
+	    .$counter.'\');" TARGET=_self> &nbsp;'."\n" if (&canmodify($usec));
+	$toGrade.='</td></tr></table></td></tr></table></form>'."\n";
+	$toGrade.=&show_grading_menu_form($symb,$url) 
 	    if (($ENV{'form.command'} eq 'submission') || 
 		($ENV{'form.command'} eq 'processGroup' && $counter == $total));
+	$request = print($toGrade);
 	return;
     }
 
-    # Grading options
-    $result='<input type="hidden" name="newmsg'.$counter.'" value="" />'."\n".
-	'<input type="hidden" name="includemsg'.$counter.'" value="" />'."\n".
-	'<input type="hidden" name="unamedom'.$counter.'" value="'.$uname.':'
-	.$udom.'" />'."\n";
-    my ($lastname,$givenn) = split(/,/,$ENV{'form.fullname'});
-    my $msgfor = $givenn.' '.$lastname;
-    if (scalar(@col_fullnames) > 0) {
-	my $lastone = pop @col_fullnames;
-	$msgfor .= ', '.(join ', ',@col_fullnames).' and '.$lastone.'.';
-    }
-    $msgfor =~ s/\'/\\'/g; #' stupid emacs - no! javascript
-    $result.='<tr><td bgcolor="#ffffff">'."\n".
-	'&nbsp;<a href="javascript:msgCenter(document.SCORE,'.$counter.
-	',\''.$msgfor.'\')"; TARGET=_self>'.
-	'Compose Message to student'.(scalar(@col_fullnames) >= 1 ? 's' : '').'</a> &nbsp;'.
-	'<img src="'.$request->dir_config('lonIconsURL').
-	'/mailbkgrd.gif" width="14" height="10" name="mailicon'.$counter.'" />'."\n".
-	'<br />&nbsp;(Message will be sent when you click on Save & Next below.)'."\n" 
-	if ($ENV{'form.handgrade'} eq 'yes');
-    $request->print($result);
+    # essay grading message center
+    if ($ENV{'form.handgrade'} eq 'yes') {
+	my ($lastname,$givenn) = split(/,/,$ENV{'form.fullname'});
+	my $msgfor = $givenn.' '.$lastname;
+	if (scalar(@col_fullnames) > 0) {
+	    my $lastone = pop @col_fullnames;
+	    $msgfor .= ', '.(join ', ',@col_fullnames).' and '.$lastone.'.';
+	}
+	$msgfor =~ s/\'/\\'/g; #' stupid emacs - no! javascript
+	$result='<input type="hidden" name="includemsg'.$counter.'" value="" />'."\n".
+	    '<input type="hidden" name="newmsg'.$counter.'" value="" />'."\n";
+	$result.='&nbsp;<a href="javascript:msgCenter(document.SCORE,'.$counter.
+	    ',\''.$msgfor.'\')"; TARGET=_self>'.
+	    'Compose Message to student'.(scalar(@col_fullnames) >= 1 ? 's' : '').'</a> &nbsp;'.
+	    '<img src="'.$request->dir_config('lonIconsURL').
+	    '/mailbkgrd.gif" width="14" height="10" name="mailicon'.$counter.'" />'."\n".
+	    '<br />&nbsp;(Message will be sent when you click on Save & Next below.)'."\n" 
+	    if ($ENV{'form.handgrade'} eq 'yes');
+	$request->print($result);
+    }
 
     my %seen = ();
     my @partlist;
+    my @gradePartRespid;
     for (sort keys(%$handgrade)) {
 	my ($partid,$respid) = split(/_/);
 	next if ($seen{$partid} > 0);
 	$seen{$partid}++;
-#	next if ($$handgrade{$_} =~ /:no$/);
+	next if ($$handgrade{$_} =~ /:no$/ && $ENV{'form.lastSub'} =~ /^(hdgrade)$/);
 	push @partlist,$partid;
+	push @gradePartRespid,$partid.'.'.$respid;
 
 	$request->print(&gradeBox($request,$symb,$uname,$udom,$counter,$partid,\%record));
     }
     $result='<input type="hidden" name="partlist'.$counter.
 	'" value="'.(join ":",@partlist).'" />'."\n";
+    $result.='<input type="hidden" name="gradePartRespid'.
+	'" value="'.(join ":",@gradePartRespid).'" />'."\n" if ($counter == 0);
     my $ctr = 0;
     while ($ctr < scalar(@partlist)) {
 	$result.='<input type="hidden" name="partid'.$counter.'_'.$ctr.'" value="'.
@@ -1411,28 +1705,22 @@ KEYWORDS
 
     # print end of form
     if ($counter == $total) {
-	my $endform='<table border="0"><tr><td>'.
-	    '<input type="hidden" name="gradeOpt" value="" />'."\n";
-	if ($ENV{'form.handgrade'} eq 'yes') {
-	    $endform.='<input type="button" value="Save & Next" '.
-		'onClick="javascript:checksubmit(this.form,\'Save & Next\','.
-		$total.','.scalar(@partlist).');" TARGET=_self> &nbsp;'."\n";
-	    my $ntstu ='<select name="NTSTU">'.
-		'<option>1</option><option>2</option>'.
-		'<option>3</option><option>5</option>'.
-		'<option>7</option><option>10</option></select>'."\n";
-	    my $nsel = ($ENV{'form.NTSTU'} ne '' ? $ENV{'form.NTSTU'} : '1');
-	    $ntstu =~ s/<option>$nsel</<option selected="on">$nsel</;
-	    $endform.=$ntstu.'student(s) &nbsp;&nbsp;';
-	} else {
-	    $endform.='<input type="hidden" name="NTSTU" value="1" />'."\n";
-	}
-	$endform.='<input type="button" value="Next" '.
-	    'onClick="javascript:checksubmit(this.form,\'Next\');" TARGET=_self> &nbsp;'."\n".
-	    '<input type="button" value="Previous" '.
-	    'onClick="javascript:checksubmit(this.form,\'Previous\');" TARGET=_self> &nbsp;';
-	$endform.='(Next and Previous do not save the scores.)'."\n" 
-	    if ($ENV{'form.handgrade'} eq 'yes');
+	my $endform='<table border="0"><tr><td>'."\n";
+	$endform.='<input type="button" value="Save & Next" '.
+	    'onClick="javascript:checksubmit(this.form,\'Save & Next\','.
+	    $total.','.scalar(@partlist).');" TARGET=_self> &nbsp;'."\n";
+	my $ntstu ='<select name="NTSTU">'.
+	    '<option>1</option><option>2</option>'.
+	    '<option>3</option><option>5</option>'.
+	    '<option>7</option><option>10</option></select>'."\n";
+	my $nsel = ($ENV{'form.NTSTU'} ne '' ? $ENV{'form.NTSTU'} : '1');
+	$ntstu =~ s/<option>$nsel</<option selected="on">$nsel</;
+	$endform.=$ntstu.'student(s) &nbsp;&nbsp;';
+	$endform.='<input type="button" value="Previous" '.
+	    'onClick="javascript:checksubmit(this.form,\'Previous\');" TARGET=_self> &nbsp;'."\n".
+	    '<input type="button" value="Next" '.
+	    'onClick="javascript:checksubmit(this.form,\'Next\');" TARGET=_self> &nbsp;';
+	$endform.='(Next and Previous (student) do not save the scores.)'."\n" ;
 	$endform.='</td><tr></table></form>';
 	$endform.=&show_grading_menu_form($symb,$url);
 	$request->print($endform);
@@ -1442,15 +1730,15 @@ KEYWORDS
 
 #--- Retrieve the last submission for all the parts
 sub get_last_submission {
-    my (%returnhash)=@_;
+    my ($returnhash)=@_;
     my (@string,$timestamp);
-    if ($returnhash{'version'}) {
+    if ($$returnhash{'version'}) {
 	my %lasthash=();
 	my ($version);
-	for ($version=1;$version<=$returnhash{'version'};$version++) {
-	    foreach (sort(split(/\:/,$returnhash{$version.':keys'}))) {
-		$lasthash{$_}=$returnhash{$version.':'.$_};
-		   $timestamp = scalar(localtime($returnhash{$version.':timestamp'}));
+	for ($version=1;$version<=$$returnhash{'version'};$version++) {
+	    foreach (sort(split(/\:/,$$returnhash{$version.':keys'}))) {
+		$lasthash{$_}=$$returnhash{$version.':'.$_};
+		   $timestamp = scalar(localtime($$returnhash{$version.':timestamp'}));
 	    }
 	}
 	foreach ((keys %lasthash)) {
@@ -1462,7 +1750,7 @@ sub get_last_submission {
 	    }
 	}
     }
-    @string = $string[0] eq '' ? 'Nothing submitted - no attempts.' : @string;
+    @string = $string[0] eq '' ? '<font color="red">Nothing submitted - no attempts.</font>' : @string;
     return \@string,\$timestamp;
 }
 
@@ -1474,13 +1762,8 @@ sub keywords_highlight {
     (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;
+	$string =~ s/\b\Q$_\E(\b|\.)/<font color\=$ENV{'form.kwclr'} $size\>$styleon$_$styleoff<\/font>/gi;
     }
-    # This is not really the right place to do this, but I cannot find a
-    # better one at this time.  So here we go - the m in the s:::mg causes
-    # ^ to match the beginning of a new line.  So we replace(???) the beginning
-    # of the line with <br /> to make things formatted a little better.
-    $string =~ s:^:<br />:mg;
     return $string;
 }
 
@@ -1492,7 +1775,6 @@ sub processHandGrade {
     my $button = $ENV{'form.gradeOpt'};
     my $ngrade = $ENV{'form.NCT'};
     my $ntstu  = $ENV{'form.NTSTU'};
-
     if ($button eq 'Save & Next') {
 	my $ctr = 0;
 	while ($ctr < $ngrade) {
@@ -1524,17 +1806,27 @@ sub processHandGrade {
 							       $ENV{'form.msgsub'},$message);
 	    }
 	    if ($ENV{'form.collaborator'.$ctr}) {
-		my (@collaborators) = split(/:/,$ENV{'form.collaborator'.$ctr});
-		foreach (@collaborators) {
-		    my ($errorflag,$pts,$wgt) = &saveHandGrade($request,$url,$symb,$_,$udom,$ctr,$ENV{'form.unamedom'.$ctr});
-		    if ($errorflag eq 'not_allowed') {
-			$request->print("<font color=\"red\">Not allowed to modify grades for $_:$udom</font>");
-			next;
-		    } else {
-			if ($message ne '') {
-			    $msgstatus = &Apache::lonmsg::user_normal_msg ($_,$udom,
-									   $ENV{'form.msgsub'},
-									   $message);
+		&Apache::lonnet::logthis('collab '.(join(':',@{ $ENV{'form.collaborator'.$ctr} })));
+		my @collabstrs;
+		if (ref($ENV{'form.collaborator'.$ctr}) eq 'ARRAY') {
+		    @collabstrs=@{$ENV{'form.collaborator'.$ctr}};
+		} else {
+		    @collabstrs=$ENV{'form.collaborator'.$ctr};
+		}
+		foreach my $collabstr (@collabstrs) {
+		    my ($part,@collaborators) = split(/:/,$collabstr);
+		    foreach (@collaborators) {
+			my ($errorflag,$pts,$wgt) = 
+			    &saveHandGrade($request,$url,$symb,$_,$udom,$ctr,
+					   $ENV{'form.unamedom'.$ctr},$part);
+			if ($errorflag eq 'not_allowed') {
+			    $request->print("<font color=\"red\">Not allowed to modify grades for $_:$udom</font>");
+			    next;
+			} else {
+			    if ($message ne '') {
+				$msgstatus = &Apache::lonmsg::user_normal_msg($_,$udom,$ENV{'form.msgsub'},$message);
+			    }
+			    
 			}
 		    }
 		}
@@ -1543,48 +1835,49 @@ sub processHandGrade {
 	}
     }
 
-    # Keywords sorted in alphabatical order
-    my $loginuser = $ENV{'user.name'}.':'.$ENV{'user.domain'};
-    my %keyhash = ();
-    $ENV{'form.keywords'}           =~ s/,\s{0,}|\s+/ /g;
-    $ENV{'form.keywords'}           =~ s/^\s+|\s+$//;
-    my (@keywords) = sort(split(/\s+/,$ENV{'form.keywords'}));
-    $ENV{'form.keywords'} = join(' ',@keywords);
-    $keyhash{$symb.'_keywords'}     = $ENV{'form.keywords'};
-    $keyhash{$symb.'_subject'}      = $ENV{'form.msgsub'};
-    $keyhash{$loginuser.'_kwclr'}   = $ENV{'form.kwclr'};
-    $keyhash{$loginuser.'_kwsize'}  = $ENV{'form.kwsize'};
-    $keyhash{$loginuser.'_kwstyle'} = $ENV{'form.kwstyle'};
-
-    # message center - Order of message gets changed. Blank line is eliminated.
-    # New messages are saved in ENV for the next student.
-    # All messages are saved in nohist_handgrade.db
-    my ($ctr,$idx) = (1,1);
-    while ($ctr <= $ENV{'form.savemsgN'}) {
-	if ($ENV{'form.savemsg'.$ctr} ne '') {
-	    $keyhash{$symb.'_savemsg'.$idx} = $ENV{'form.savemsg'.$ctr};
-	    $idx++;
+    if ($ENV{'form.handgrade'} eq 'yes') {
+	# Keywords sorted in alphabatical order
+	my $loginuser = $ENV{'user.name'}.':'.$ENV{'user.domain'};
+	my %keyhash = ();
+	$ENV{'form.keywords'}           =~ s/,\s{0,}|\s+/ /g;
+	$ENV{'form.keywords'}           =~ s/^\s+|\s+$//;
+	my (@keywords) = sort(split(/\s+/,$ENV{'form.keywords'}));
+	$ENV{'form.keywords'} = join(' ',@keywords);
+	$keyhash{$symb.'_keywords'}     = $ENV{'form.keywords'};
+	$keyhash{$symb.'_subject'}      = $ENV{'form.msgsub'};
+	$keyhash{$loginuser.'_kwclr'}   = $ENV{'form.kwclr'};
+	$keyhash{$loginuser.'_kwsize'}  = $ENV{'form.kwsize'};
+	$keyhash{$loginuser.'_kwstyle'} = $ENV{'form.kwstyle'};
+
+	# message center - Order of message gets changed. Blank line is eliminated.
+	# New messages are saved in ENV for the next student.
+	# All messages are saved in nohist_handgrade.db
+	my ($ctr,$idx) = (1,1);
+	while ($ctr <= $ENV{'form.savemsgN'}) {
+	    if ($ENV{'form.savemsg'.$ctr} ne '') {
+		$keyhash{$symb.'_savemsg'.$idx} = $ENV{'form.savemsg'.$ctr};
+		$idx++;
+	    }
+	    $ctr++;
 	}
-	$ctr++;
-    }
-    $ctr = 0;
-    while ($ctr < $ngrade) {
-	if ($ENV{'form.newmsg'.$ctr} ne '') {
-	    $keyhash{$symb.'_savemsg'.$idx} = $ENV{'form.newmsg'.$ctr};
-	    $ENV{'form.savemsg'.$idx} = $ENV{'form.newmsg'.$ctr};
-	    $idx++;
+	$ctr = 0;
+	while ($ctr < $ngrade) {
+	    if ($ENV{'form.newmsg'.$ctr} ne '') {
+		$keyhash{$symb.'_savemsg'.$idx} = $ENV{'form.newmsg'.$ctr};
+		$ENV{'form.savemsg'.$idx} = $ENV{'form.newmsg'.$ctr};
+		$idx++;
+	    }
+	    $ctr++;
 	}
-	$ctr++;
+	$ENV{'form.savemsgN'} = --$idx;
+	$keyhash{$symb.'_savemsgN'} = $ENV{'form.savemsgN'};
+	my $putresult = &Apache::lonnet::put
+	    ('nohist_handgrade',\%keyhash,
+	     $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+	     $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
     }
-    $ENV{'form.savemsgN'} = --$idx;
-    $keyhash{$symb.'_savemsgN'} = $ENV{'form.savemsgN'};
-    my $putresult = &Apache::lonnet::put
-	('nohist_handgrade',\%keyhash,
-	 $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
-	 $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
-
     # Called by Save & Refresh from Highlight Attribute Window
-    my (undef,undef,$fullname) = &getclasslist($ENV{'form.section'},'0');
+    my (undef,undef,$fullname) = &getclasslist($ENV{'form.section'},'1');
     if ($ENV{'form.refresh'} eq 'on') {
 	my ($ctr,$total) = (0,0);
 	while ($ctr < $ngrade) {
@@ -1603,10 +1896,20 @@ sub processHandGrade {
 	return '';
     }
 
+# Go directly to grade student - from submission or link from chart page
+    if ($button eq 'Grade Student') {
+	(undef,undef,$ENV{'form.handgrade'},undef,undef) = &showResourceInfo($url);
+	my $processUser = $ENV{'form.unamedom'.$ENV{'form.studentNo'}};
+	($ENV{'form.student'},$ENV{'form.userdom'}) = split(/:/,$processUser);
+	$ENV{'form.fullname'} = $$fullname{$processUser};
+	&submission($request,0,0);
+	return '';
+    }
+
     # Get the next/previous one or group of students
     my $firststu = $ENV{'form.unamedom0'};
     my $laststu = $ENV{'form.unamedom'.($ngrade-1)};
-    $ctr = 2;
+    my $ctr = 2;
     while ($laststu eq '') {
 	$laststu  = $ENV{'form.unamedom'.($ngrade-$ctr)};
 	$ctr++;
@@ -1626,21 +1929,29 @@ sub processHandGrade {
 	}
     }
     $ctr = 0;
-    my ($partlist,$handgrade) = &response_type($ENV{'form.url'});
     @parsedlist = reverse @parsedlist if ($button eq 'Previous');
+    my ($partlist) = &response_type($url);
     foreach my $student (@parsedlist) {
+	my $submitonly=$ENV{'form.submitonly'};
 	my ($uname,$udom) = split(/:/,$student);
-	if ($ENV{'form.submitonly'} eq 'yes') {
-	    my (%status) = &student_gradeStatus($ENV{'form.url'},$symb,$udom,$uname,$partlist) ;
-	    my $statusflg = '';
+	if ($submitonly =~ /^(yes|graded)$/) {
+#	    my %record = &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);
+	    my %status=&student_gradeStatus($url,$symb,$udom,$uname,$partlist);
+	    my $submitted = 0;
+	    my $graded = 1;
 	    foreach (keys(%status)) {
-		$statusflg = 1 if ($status{$_} ne 'nothing');
-		my ($foo,$partid,$foo1) = split(/\./);
-		$statusflg = '' if ($status{'resource.'.$partid.'.submitted_by'} ne '');
+		$submitted = 1 if ($status{$_} ne 'nothing');
+		$graded = 0 if ($status{$_} =~ /^correct/);
+		my ($foo,$partid,$foo1) = split(/\./,$_);
+		if ($status{'resource.'.$partid.'.submitted_by'} ne '') {
+		    $submitted = 0;
+		}
 	    }
-	    next if ($statusflg eq '');
+	    next if (!$submitted && ($submitonly eq 'yes' || $submitonly eq 'graded'));
+	    next if (!$graded && $submitonly eq 'graded');
 	}
 	push @nextlist,$student if ($ctr < $ntstu);
+	last if ($ctr == $ntstu);
 	$ctr++;
     }
 
@@ -1667,7 +1978,7 @@ sub processHandGrade {
 
 #---- Save the score and award for each student, if changed
 sub saveHandGrade {
-    my ($request,$url,$symb,$stuname,$domain,$newflg,$submitter) = @_;
+    my ($request,$url,$symb,$stuname,$domain,$newflg,$submitter,$part) = @_;
     my $usec = &Apache::lonnet::getsection($domain,$stuname,
 					   $ENV{'request.course.id'});
     if (!&canmodify($usec)) { return('not_allowed'); }
@@ -1675,14 +1986,26 @@ sub saveHandGrade {
     my %newrecord  = ();
     my ($pts,$wgt) = ('','');
     foreach (split(/:/,$ENV{'form.partlist'.$newflg})) {
-	if ($ENV{'form.GD_SEL'.$newflg.'_'.$_} eq 'excused') {
+	&Apache::lonnet::logthis("-$submitter-$stuname-$part-$_");
+	#collaborator may vary for different parts
+	if ($submitter && $_ ne $part) { next; }
+	my $dropMenu = $ENV{'form.GD_SEL'.$newflg.'_'.$_};
+	if ($dropMenu eq 'excused') {
 	    if ($record{'resource.'.$_.'.solved'} ne 'excused') {
 		$newrecord{'resource.'.$_.'.solved'} = 'excused';
 		if (exists($record{'resource.'.$_.'.awarded'})) {
 		    $newrecord{'resource.'.$_.'.awarded'} = '';
 		}
+	    $newrecord{'resource.'.$_.'.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
 	    }
-	} else {
+	} elsif ($dropMenu eq 'reset status'
+		 && exists($record{'resource.'.$_.'.solved'})) { #don't bother if no old records -> no attempts
+	    $newrecord{'resource.'.$_.'.tries'} = 0;
+	    $newrecord{'resource.'.$_.'.solved'} = '';
+	    $newrecord{'resource.'.$_.'.award'} = '';
+	    $newrecord{'resource.'.$_.'.awarded'} = 0;
+	    $newrecord{'resource.'.$_.'.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
+	} elsif ($dropMenu eq '') {
 	    $pts = ($ENV{'form.GD_BOX'.$newflg.'_'.$_} ne '' ? 
 		    $ENV{'form.GD_BOX'.$newflg.'_'.$_} : 
 		    $ENV{'form.RADVAL'.$newflg.'_'.$_});
@@ -1690,6 +2013,7 @@ sub saveHandGrade {
 	    $wgt = $ENV{'form.WGT'.$newflg.'_'.$_} eq '' ? 1 : 
 		$ENV{'form.WGT'.$newflg.'_'.$_};
 	    my $partial= $pts/$wgt;
+	    next if ($partial eq $record{'resource.'.$_.'.awarded'}); #do not update score for part if not changed.
 	    $newrecord{'resource.'.$_.'.awarded'}  = $partial 
 		if ($record{'resource.'.$_.'.awarded'} ne $partial);
 	    my $reckey = 'resource.'.$_.'.solved';
@@ -1700,9 +2024,10 @@ sub saveHandGrade {
 		$newrecord{$reckey} = 'correct_by_override' 
 		    if ($record{$reckey} ne 'correct_by_override');
 	    }
+	    
 	    $newrecord{'resource.'.$_.'.submitted_by'} = $submitter 
 		if ($submitter && ($record{'resource.'.$_.'.submitted_by'} ne $submitter));
-	    $newrecord{'resource.'.$_.'regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
+	    $newrecord{'resource.'.$_.'.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
 	}
     }
 
@@ -1724,10 +2049,10 @@ sub viewgrades_js {
     $request->print(<<VIEWJAVASCRIPT);
 <script type="text/javascript" language="javascript">
    function writePoint(partid,weight,point) {
-	var radioButton = eval("document.classgrade.RADVAL_"+partid);
-	var textbox = eval("document.classgrade.TEXTVAL_"+partid);
+	var radioButton = document.classgrade["RADVAL_"+partid];
+	var textbox = document.classgrade["TEXTVAL_"+partid];
 	if (point == "textval") {
-	    var point = eval("document.classgrade.TEXTVAL_"+partid+".value");
+	    point = document.classgrade["TEXTVAL_"+partid].value;
 	    if (isNaN(point) || parseFloat(point) < 0) {
 		alert("A number equal or greater than 0 is expected. Entered value = "+parseFloat(point));
 		var resetbox = false;
@@ -1758,15 +2083,13 @@ sub viewgrades_js {
 	    }
 
 	} else {
-	    textbox.value = point;
+	    textbox.value = parseFloat(point);
 	}
 	for (i=0;i<document.classgrade.total.value;i++) {
-	    var user = eval("document.classgrade.ctr"+i+".value");
-	    var scorename = eval("document.classgrade.GD_"+user+
-				 "_"+partid+"_awarded");
-	    var saveval   = eval("document.classgrade.GD_"+user+
-				 "_"+partid+"_solved_s.value");
-	    var selname   = eval("document.classgrade.GD_"+user+"_"+partid+"_solved");
+	    var user = document.classgrade["ctr"+i].value;
+	    var scorename = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
+	    var saveval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
+	    var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
 	    if (saveval != "correct") {
 		scorename.value = point;
 		if (selname[0].selected != true) {
@@ -1774,15 +2097,14 @@ sub viewgrades_js {
 		}
 	    }
 	}
-	var selval   = eval("document.classgrade.SELVAL_"+partid);
-	selval[0].selected = true;
+	document.classgrade["SELVAL_"+partid][0].selected = true;
     }
 
     function writeRadText(partid,weight) {
-	var selval   = eval("document.classgrade.SELVAL_"+partid);
-	var radioButton = eval("document.classgrade.RADVAL_"+partid);
-	var textbox = eval("document.classgrade.TEXTVAL_"+partid);
-	if (selval[1].selected) {
+	var selval   = document.classgrade["SELVAL_"+partid];
+	var radioButton = document.classgrade["RADVAL_"+partid];
+	var textbox = document.classgrade["TEXTVAL_"+partid];
+	if (selval[1].selected || selval[2].selected) {
 	    for (var i=0; i<radioButton.length; i++) {
 		radioButton[i].checked=false;
 
@@ -1790,30 +2112,29 @@ sub viewgrades_js {
 	    textbox.value = "";
 
 	    for (i=0;i<document.classgrade.total.value;i++) {
-		var user = eval("document.classgrade.ctr"+i+".value");
-		var scorename = eval("document.classgrade.GD_"+user+
-				     "_"+partid+"_awarded");
-		var saveval   = eval("document.classgrade.GD_"+user+
-				     "_"+partid+"_solved_s.value");
-		var selname   = eval("document.classgrade.GD_"+user+
-				     "_"+partid+"_solved");
+		var user = document.classgrade["ctr"+i].value;
+		var scorename = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
+		var saveval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
+		var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
 		if (saveval != "correct") {
 		    scorename.value = "";
-		    selname[1].selected = true;
+		    if (selval[1].selected) {
+			selname[1].selected = true;
+		    } else {
+			selname[2].selected = true;
+			if (Number(document.classgrade["GD_"+user+"_"+partid+"_tries"].value)) 
+			{document.classgrade["GD_"+user+"_"+partid+"_tries"].value = '0';}
+		    }
 		}
 	    }
 	} else {
 	    for (i=0;i<document.classgrade.total.value;i++) {
-		var user = eval("document.classgrade.ctr"+i+".value");
-		var scorename = eval("document.classgrade.GD_"+user+
-				     "_"+partid+"_awarded");
-		var saveval   = eval("document.classgrade.GD_"+user+
-				     "_"+partid+"_solved_s.value");
-		var selname   = eval("document.classgrade.GD_"+user+
-				     "_"+partid+"_solved");
+		var user = document.classgrade["ctr"+i].value;
+		var scorename = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
+		var saveval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
+		var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
 		if (saveval != "correct") {
-		    scorename.value = eval("document.classgrade.GD_"+user+
-				     "_"+partid+"_awarded_s.value");;
+		    scorename.value = document.classgrade["GD_"+user+"_"+partid+"_awarded_s"].value;
 		    selname[0].selected = true;
 		}
 	    }
@@ -1821,10 +2142,10 @@ sub viewgrades_js {
     }
 
     function changeSelect(partid,user) {
-	var selval = eval("document.classgrade.GD_"+user+'_'+partid+"_solved");
-	var textbox = eval("document.classgrade.GD_"+user+'_'+partid+"_awarded");
+	var selval = document.classgrade["GD_"+user+'_'+partid+"_solved"];
+	var textbox = document.classgrade["GD_"+user+'_'+partid+"_awarded"];
 	var point  = textbox.value;
-	var weight = eval("document.classgrade.weight_"+partid+".value");
+	var weight = document.classgrade["weight_"+partid].value;
 
 	if (isNaN(point) || parseFloat(point) < 0) {
 	    alert("A number equal or greater than 0 is expected. Entered value = "+parseFloat(point));
@@ -1843,19 +2164,21 @@ sub viewgrades_js {
     }
 
     function changeOneScore(partid,user) {
-	var selval = eval("document.classgrade.GD_"+user+'_'+partid+"_solved");
-	if (selval[1].selected) {
-	    var boxval = eval("document.classgrade.GD_"+user+'_'+partid+"_awarded");
-	    boxval.value = "";
+	var selval = document.classgrade["GD_"+user+'_'+partid+"_solved"];
+	if (selval[1].selected || selval[2].selected) {
+	    document.classgrade["GD_"+user+'_'+partid+"_awarded"].value = "";
+	    if (selval[2].selected) {
+		document.classgrade["GD_"+user+'_'+partid+"_tries"].value = "0";
+	    }
 	}
     }
 
     function resetEntry(numpart) {
 	for (ctpart=0;ctpart<numpart;ctpart++) {
-	    var partid = eval("document.classgrade.partid_"+ctpart+".value");
-	    var radioButton = eval("document.classgrade.RADVAL_"+partid);
-	    var textbox = eval("document.classgrade.TEXTVAL_"+partid);
-	    var selval  = eval("document.classgrade.SELVAL_"+partid);
+	    var partid = document.classgrade["partid_"+ctpart].value;
+	    var radioButton = document.classgrade["RADVAL_"+partid];
+	    var textbox = document.classgrade["TEXTVAL_"+partid];
+	    var selval  = document.classgrade["SELVAL_"+partid];
 	    for (var i=0; i<radioButton.length; i++) {
 		radioButton[i].checked=false;
 
@@ -1864,16 +2187,13 @@ sub viewgrades_js {
 	    selval[0].selected = true;
 
 	    for (i=0;i<document.classgrade.total.value;i++) {
-		var user = eval("document.classgrade.ctr"+i+".value");
-		var resetscore = eval("document.classgrade.GD_"+user+
-				      "_"+partid+"_awarded");
-		resetscore.value = eval("document.classgrade.GD_"+user+
-					"_"+partid+"_awarded_s.value");
-
-		var saveselval   = eval("document.classgrade.GD_"+user+
-				     "_"+partid+"_solved_s.value");
-
-		var selname   = eval("document.classgrade.GD_"+user+"_"+partid+"_solved");
+		var user = document.classgrade["ctr"+i].value;
+		var resetscore = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
+		resetscore.value = document.classgrade["GD_"+user+"_"+partid+"_awarded_s"].value;
+		var resettries = document.classgrade["GD_"+user+"_"+partid+"_tries"];
+		resettries.value = document.classgrade["GD_"+user+"_"+partid+"_tries_s"].value;
+		var saveselval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
+		var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
 		if (saveselval == "excused") {
 		    if (selname[1].selected == false) { selname[1].selected = true;}
 		} else {
@@ -1895,7 +2215,7 @@ sub viewgrades {
     my ($symb,$url) = ($ENV{'form.symb'},$ENV{'form.url'}); 
     my $result='<h3><font color="#339933">Manual Grading</font></h3>';
 
-    $result.='<font size=+1><b>Problem: </b>'.$ENV{'form.probTitle'}.'</font>'."\n";
+    $result.='<font size=+1><b>Current Resource: </b>'.$ENV{'form.probTitle'}.'</font>'."\n";
 
     #view individual student submission form - called using Javascript viewOneStudent
     $result.=&jscriptNform($url,$symb);
@@ -1907,21 +2227,23 @@ sub viewgrades {
 	'<input type="hidden" name="command" value="editgrades" />'."\n".
 	'<input type="hidden" name="section" value="'.$ENV{'form.section'}.'" />'."\n".
 	'<input type="hidden" name="saveState" value="'.$ENV{'form.saveState'}.'" />'."\n".
+	'<input type="hidden" name="Status" value="'.$ENV{'form.Status'}.'" />'."\n".
 	'<input type="hidden" name="probTitle" value="'.$ENV{'form.probTitle'}.'" />'."\n";
 
-    $result.='<h3>Assign Common Grade To ';
+    my $sectionClass;
     if ($ENV{'form.section'} eq 'all') {
-	$result.='Class </h3>';
+	$sectionClass='Class </h3>';
     } elsif ($ENV{'form.section'} eq 'no') {
-	$result.='Students in no Section </h3>';
+	$sectionClass='Students in no Section </h3>';
     } else {
-	$result.='Students in Section '.$ENV{'form.section'}.'</h3>';
+	$sectionClass='Students in Section '.$ENV{'form.section'}.'</h3>';
     }
+    $result.='<h3>Assign Common Grade To '.$sectionClass;
     $result.= '<table border=0><tr><td bgcolor="#777777">'."\n".
 	'<table border=0><tr bgcolor="#ffffdd"><td>';
     #radio buttons/text box for assigning points for a section or class.
     #handles different parts of a problem
-    my ($partlist,$handgrade) = &response_type($ENV{'form.url'});
+    my ($partlist,$handgrade) = &response_type($url,$symb);
     my %weight = ();
     my $ctsparts = 0;
     $result.='<table border="0">';
@@ -1930,7 +2252,7 @@ sub viewgrades {
 	my ($partid,$respid) = split (/_/,$_,2);
 	next if $seen{$partid};
 	$seen{$partid}++;
-	my ($responsetype,$handgrade)=split(/:/,$$handgrade{$_});
+	my $handgrade=$$handgrade{$_};
 	my $wgt = &Apache::lonnet::EXT('resource.'.$partid.'.weight',$symb);
 	$weight{$partid} = $wgt eq '' ? '1' : $wgt;
 
@@ -1957,33 +2279,25 @@ sub viewgrades {
 	    'onChange="javascript:writeRadText(\''.$partid.'\','.
 		$weight{$partid}.')"> '.
 	    '<option selected="on"> </option>'.
-	    '<option>excused</option></select></td></tr>'."\n";
+	    '<option>excused</option>'.
+	    '<option>reset status</option></select></td></tr>'."\n";
 	$ctsparts++;
     }
     $result.='</table>'.'</td></tr></table>'.'</td></tr></table>'."\n".
 	'<input type="hidden" name="totalparts" value="'.$ctsparts.'" />';
     $result.='<input type="button" value="Reset" '.
 	'onClick="javascript:resetEntry('.$ctsparts.');" TARGET=_self>';
-#    $result.=' &nbsp; &nbsp;<input type="button" value="Submit Changes" name="subButton1'.
-#	'onClick="javascript:submit();" TARGET=_self />'."\n";
 
     #table listing all the students in a section/class
     #header of table
-    $result.= '<h3>Assign Grade to Specific Students in ';
-    if ($ENV{'form.section'} eq 'all') {
-	$result.='the Class </h3>';
-    } elsif ($ENV{'form.section'} eq 'no') {
-	$result.='no Section </h3>';
-    } else {
-	$result.='Section '.$ENV{'form.section'}.'</h3>';
-    }
+    $result.= '<h3>Assign Grade to Specific Students in '.$sectionClass;
     $result.= '<table border=0><tr><td bgcolor="#777777">'."\n".
-	'<table border=0><tr bgcolor="#deffff">'.
-	'<td><b>Fullname</b> <font color="#999999">(Username)</font></td>'."\n";
-    my (@parts) = sort(&getpartlist($url));
+	'<table border=0><tr bgcolor="#deffff"><td>&nbsp;<b>No.</b>&nbsp;</td>'.
+	'<td>'.&nameUserString('header')."</td>\n";
+    my (@parts) = sort(&getpartlist($url,$symb));
     foreach my $part (@parts) {
 	my $display=&Apache::lonnet::metadata($url,$part.'.display');
-	next if ($display =~ /Number of Attempts/);
+	$display =~ s|^Number of Attempts|Tries<br />|; # makes the column narrower
 	if  (!$display) { $display = &Apache::lonnet::metadata($url,$part.'.name'); }
 	if ($display =~ /^Partial Credit Factor/) {
 	    my ($partid) = &split_part_type($part);
@@ -2004,13 +2318,13 @@ sub viewgrades {
 	my $uname = $_;
 	$uname=~s/:/_/;
 	$result.='<input type="hidden" name="ctr'.$ctr.'" value="'.$uname.'" />'."\n";
-	$result.=&viewstudentgrade($url,$symb,$ENV{'request.course.id'},
-				   $_,$$fullname{$_},\@parts,\%weight);
 	$ctr++;
+	$result.=&viewstudentgrade($url,$symb,$ENV{'request.course.id'},
+				   $_,$$fullname{$_},\@parts,\%weight,$ctr);
     }
     $result.='</table></td></tr></table>';
     $result.='<input type="hidden" name="total" value="'.$ctr.'" />'."\n";
-    $result.='<input type="button" value="Submit Changes" '.
+    $result.='<input type="button" value="Save" '.
 	'onClick="javascript:submit();" TARGET=_self /></form>'."\n";
     if (scalar(%$fullname) eq 0) {
 	my $colspan=3+scalar(@parts);
@@ -2023,11 +2337,11 @@ sub viewgrades {
 
 #--- call by previous routine to display each student
 sub viewstudentgrade {
-    my ($url,$symb,$courseid,$student,$fullname,$parts,$weight) = @_;
+    my ($url,$symb,$courseid,$student,$fullname,$parts,$weight,$ctr) = @_;
     my ($uname,$udom) = split(/:/,$student);
     $student=~s/:/_/;
     my %record=&Apache::lonnet::restore($symb,$courseid,$udom,$uname);
-    my $result='<tr bgcolor="#ffffdd"><td>'.
+    my $result='<tr bgcolor="#ffffdd"><td align="right">'.$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";
@@ -2047,21 +2361,20 @@ sub viewstudentgrade {
 	    $status = 'nothing' if ($status eq '');
 	    $result.='<input type="hidden" name="'.'GD_'.$student.'_'.
 		$part.'_solved_s" value="'.$status.'" />'."\n";
-	    $result.='<td align="middle"><select name="'.
+	    $result.='<td align="middle">&nbsp;<select name="'.
 		'GD_'.$student.'_'.$part.'_solved" '.
 		'onChange="javascript:changeOneScore(\''.$part.'\',\''.$student.'\')" >'."\n";
-	    my $optsel = '<option selected="on"> </option><option>excused</option>'."\n";
-	    $optsel = '<option> </option><option selected="on">excused</option>'."\n"
-		if ($status eq 'excused');
-	    $result.=$optsel;
-	    $result.="</select></td>\n";
-#	} else {
-#	    $result.='<input type="hidden" name="'.
-#		'GD_'.$student.'_'.$part.'_'.$type.'_s" value="'.$score.'" />'.
-#		    "\n";
-#	    $result.='<td align="middle"><input type="text" name="'.
-#		'GD_'.$student.'_'.$part.'_'.$type.'" '.
-#		'value="'.$score.'" size="4" /></td>'."\n";
+	    $result.= (($status eq 'excused') ? '<option> </option><option selected="on">excused</option>' 
+		: '<option selected="on"> </option><option>excused</option>')."\n";
+	    $result.='<option>reset status</option>';
+	    $result.="</select>&nbsp;</td>\n";
+	} else {
+	    $result.='<input type="hidden" name="'.
+		'GD_'.$student.'_'.$part.'_'.$type.'_s" value="'.$score.'" />'.
+		    "\n";
+	    $result.='<td align="middle"><input type="text" name="'.
+		'GD_'.$student.'_'.$part.'_'.$type.'" '.
+		'value="'.$score.'" size="4" /></td>'."\n";
 	}
     }
     $result.='</tr>';
@@ -2076,11 +2389,13 @@ sub editgrades {
     my $symb=$ENV{'form.symb'};
     my $url =$ENV{'form.url'};
     my $title='<h3><font color="#339933">Current Grade Status</font></h3>';
-    $title.='<font size=+1><b>Problem: </b>'.$ENV{'form.probTitle'}.'</font><br />'."\n";
+    $title.='<font size=+1><b>Current Resource: </b>'.$ENV{'form.probTitle'}.'</font><br />'."\n";
     $title.='<font size=+1><b>Section: </b>'.$ENV{'form.section'}.'</font>'."\n";
+
     my $result= '<table border="0"><tr><td bgcolor="#777777">'."\n";
     $result.= '<table border="0"><tr bgcolor="#deffff">'.
-	'<td rowspan=2><b>Username</b></td><td rowspan=2><b>Domain</b></td><td rowspan=2><b>Fullname</b></td>'."\n";
+	'<td rowspan=2 valign="center">&nbsp;<b>No.</b>&nbsp;</td>'.
+	'<td rowspan=2 valign="center">'.&nameUserString('header')."</td>\n";
 
     my %scoreptr = (
 		    'correct'  =>'correct_by_override',
@@ -2096,7 +2411,7 @@ sub editgrades {
     my %columns = ();
     my ($i,$ctr,$count,$rec_update) = (0,0,0,0);
 
-    my (@parts) = sort(&getpartlist($url));
+    my (@parts) = sort(&getpartlist($url,$symb));
     my $header;
     while ($ctr < $ENV{'form.totalparts'}) {
 	my $partid = $ENV{'form.partid_'.$ctr};
@@ -2114,8 +2429,9 @@ sub editgrades {
 	    if ($type eq 'awarded' || $type eq 'solved') { next; }
 	    my $display=&Apache::lonnet::metadata($url,$stores.'.display');
 	    $display =~ s/\[Part: (\w)+\]//;
-	    $header .= '<td align="center">&nbsp;<b>Old</b> '.$display.'&nbsp;</td>'.
-		'<td align="center">&nbsp;<b>New</b> '.$display.'&nbsp;</td>';
+	    $display =~ s/Number of Attempts/Tries/;
+	    $header .= '<td align="center">&nbsp;<b>Old '.$display.'</b>&nbsp;</td>'.
+		'<td align="center">&nbsp;<b>New '.$display.'</b>&nbsp;</td>';
 	    $columns{$partid}+=2;
 	}
     }
@@ -2129,6 +2445,7 @@ sub editgrades {
     $result .= $header;
     $result .= '</tr>'."\n";
     my $noupdate;
+    my ($updateCtr,$noupdateCtr) = (1,1);
     for ($i=0; $i<$ENV{'form.total'}; $i++) {
 	my $line;
 	my $user = $ENV{'form.ctr'.$i};
@@ -2137,12 +2454,10 @@ sub editgrades {
 	my ($uname,$udom)=split(/_/,$user);
 	my %newrecord;
 	my $updateflag = 0;
-	$line .= '<tr bgcolor="#ffffde"><td>'.$uname.'&nbsp;</td><td>'.
-	    $udom.'&nbsp;</td><td>'.
-		$$fullname{$usercolon}.'&nbsp;</td>';
+	$line .= '<td>'.&nameUserString(undef,$$fullname{$usercolon},$uname,$udom).'</td>';
 	my $usec=$classlist->{"$uname:$udom"}[5];
 	if (!&canmodify($usec)) {
-	    my $numcols=scalar(@partid)*(scalar(@parts)-1)*2;
+	    my $numcols=scalar(@partid)*4+2;
 	    $noupdate.=$line."<td colspan=\"$numcols\"><font color=\"red\">Not allowed to modify student</font></td></tr>";
 	    next;
 	}
@@ -2163,19 +2478,29 @@ sub editgrades {
 	    } elsif ($partial == 0) {
 		$score = 'incorrect_by_override';
 	    }
-	    $score = 'excused' if (($ENV{'form.GD_'.$user.'_'.$_.'_solved'} eq 'excused') &&
-				   ($score ne 'excused'));
-	    $line .= '<td align="center">'.$old_aw.'&nbsp;</td>'.
-		'<td align="center">'.$awarded.
-		($score eq 'excused' ? $score : '').'&nbsp;</td>';
+	    my $dropMenu = $ENV{'form.GD_'.$user.'_'.$_.'_solved'};
+	    $score = 'excused' if (($dropMenu eq 'excused') && ($score ne 'excused'));
 
-	    if (!($old_part eq $partial && $old_score eq $score)) {
+	    if ($dropMenu eq 'reset status' &&
+		$old_score ne '') { # ignore if no previous attempts => nothing to reset
+		$newrecord{'resource.'.$_.'.tries'} = 0;
+		$newrecord{'resource.'.$_.'.solved'} = '';
+		$newrecord{'resource.'.$_.'.award'} = '';
+		$newrecord{'resource.'.$_.'.awarded'} = 0;
+		$newrecord{'resource.'.$_.'.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
+		$updateflag = 1;
+	    } elsif (!($old_part eq $partial && $old_score eq $score)) {
 		$updateflag = 1;
 		$newrecord{'resource.'.$_.'.awarded'}  = $partial if $partial ne '';
 		$newrecord{'resource.'.$_.'.solved'}   = $score;
 		$rec_update++;
 	    }
 
+	    $line .= '<td align="center">'.$old_aw.'&nbsp;</td>'.
+		'<td align="center">'.$awarded.
+		($score eq 'excused' ? $score : '').'&nbsp;</td>';
+
+
 	    my $partid=$_;
 	    foreach my $stores (@parts) {
 		my ($part,$type) = &split_part_type($stores);
@@ -2185,7 +2510,7 @@ sub editgrades {
 		my $awarded   = $ENV{'form.GD_'.$user.'_'.$part.'_'.$type};
 		if ($awarded ne '' && $awarded ne $old_aw) {
 		    $newrecord{'resource.'.$part.'.'.$type}= $awarded;
-		    $newrecord{'resource.'.$part.'regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
+		    $newrecord{'resource.'.$part.'.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
 		    $updateflag=1;
 		}
 		$line .= '<td align="center">'.$old_aw.'&nbsp;</td>'.
@@ -2197,18 +2522,21 @@ sub editgrades {
 	    $count++;
 	    &Apache::lonnet::cstore(\%newrecord,$symb,$ENV{'request.course.id'},
 				    $udom,$uname);
-	    $result.=$line;
+	    $result.='<tr bgcolor="#ffffde"><td align="right">&nbsp;'.$updateCtr.'&nbsp;</td>'.$line;
+	    $updateCtr++;
 	} else {
-	    $noupdate.=$line;
+	    $noupdate.='<tr bgcolor="#ffffde"><td align="right">&nbsp;'.$noupdateCtr.'&nbsp;</td>'.$line;
+	    $noupdateCtr++;
 	}
     }
     if ($noupdate) {
-	my $numcols=(scalar(@partid)*(scalar(@parts)-1)*2)+3;
-	$result .= '<tr bgcolor="#ffffff"><td align="center" colspan="'.$numcols.'">No Changes Occured For the Students Below</td></tr>'.$noupdate;
+#	my $numcols=(scalar(@partid)*(scalar(@parts)-1)*2)+3;
+	my $numcols=scalar(@partid)*4+2;
+	$result .= '<tr bgcolor="#ffffff"><td align="center" colspan="'.$numcols.'">No Changes Occurred For the Students Below</td></tr>'.$noupdate;
     }
     $result .= '</table></td></tr></table>'."\n".
 	&show_grading_menu_form ($symb,$url);
-    my $msg = '<b>Number of records updated = '.$rec_update.
+    my $msg = '<br /><b>Number of records updated = '.$rec_update.
 	' for '.$count.' student'.($count <= 1 ? '' : 's').'.</b><br />'.
 	'<b>Total number of students = '.$ENV{'form.total'}.'</b><br />';
     return $title.$msg.$result;
@@ -2314,19 +2642,8 @@ sub csvuploadmap_header {
 	$javascript=&csvupload_javascript_forward_associate();
     }
 
-    my $result='<table border="0">';
-    $result.='<tr><td colspan=3><font size=+1><b>Problem: </b>'.$ENV{'form.probTitle'}.'</font></td></tr>';
-    my ($partlist,$handgrade) = &response_type($url);
-    my ($resptype,$hdgrade)=('','no');
-    for (sort keys(%$handgrade)) {
-	my ($responsetype,$handgrade)=split(/:/,$$handgrade{$_});
-	$resptype = $responsetype;
-	$hdgrade = $handgrade if ($handgrade eq 'yes');
-	$result.='<tr><td><b>Part </b>'.(split(/_/))[0].'</td>'.
-	    '<td><b>Type: </b>'.$responsetype.'</td>'.
-	    '<td><b>Handgrade: </b>'.$handgrade.'</font></td></tr>';
-    }
-    $result.='</table>';
+    my ($result) = &showResourceInfo($url,$ENV{'form.probTitle'});
+
     $request->print(<<ENDPICK);
 <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
 <h3><font color="#339933">Uploading Class Grades</font></h3>
@@ -2354,13 +2671,13 @@ to this page if the data selected is ins
 $javascript
 </script>
 ENDPICK
-return '';
+    return '';
 
 }
 
 sub csvupload_fields {
-    my ($url) = @_;
-    my (@parts) = &getpartlist($url);
+    my ($url,$symb) = @_;
+    my (@parts) = &getpartlist($url,$symb);
     my @fields=(['username','Student Username'],['domain','Student Domain']);
     foreach my $part (sort(@parts)) {
 	my @datum;
@@ -2400,9 +2717,11 @@ sub upcsvScores_form {
     </script>
 CSVFORMJS
     $ENV{'form.probTitle'} = &Apache::lonnet::gettitle($symb);
+    my ($table) = &showResourceInfo($url,$ENV{'form.probTitle'});
+    $result.=$table;
     $result.='<br /><table width=100% border=0><tr><td bgcolor="#777777">'."\n";
     $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";
-    $result.='&nbsp;<b>Specify a file containing the class scores for problem - '.$ENV{'form.probTitle'}.
+    $result.='&nbsp;<b>Specify a file containing the class scores for current resource'.
 	'.</b></td></tr>'."\n";
     $result.='<tr bgcolor=#ffffe6><td>'."\n";
     my $upfile_select=&Apache::loncommon::upfile_select_html();
@@ -2421,7 +2740,6 @@ ENDUPFORM
     $result.='</td></tr></table>'."\n";
     $result.='</td></tr></table><br /><br />'."\n";
     $result.=&show_grading_menu_form($symb,$url);
-
     return $result;
 }
 
@@ -2442,7 +2760,7 @@ sub csvuploadmap {
     &csvuploadmap_header($request,$symb,$url,$datatoken,$#records+1);
     my ($i,$keyfields);
     if (@records) {
-	my @fields=&csvupload_fields($url);
+	my @fields=&csvupload_fields($url,$symb);
 
 	if ($ENV{'form.upfile_associate'} eq 'reverse') {	
 	    &Apache::loncommon::csv_print_samples($request,\@records);
@@ -2535,7 +2853,7 @@ sub csvuploadassign {
 #
 #-------------------------------------------------------------------
 #
-#-------------- Next few routines handles grading by page/sequence
+#-------------- Next few routines handle grading by page/sequence
 #
 #--- Select a page/sequence and a student to grade
 sub pickStudentPage {
@@ -2549,41 +2867,15 @@ function checkPickOne(formname) {
 	alert("Please select the student you wish to grade.");
 	return;
     }
-    var ptr = pullDownSelection(formname.selectpage);
-    formname.page.value = eval("formname.page"+ptr+".value");
-    formname.title.value = eval("formname.title"+ptr+".value");
+    ptr = pullDownSelection(formname.selectpage);
+    formname.page.value = formname["page"+ptr].value;
+    formname.title.value = formname["title"+ptr].value;
     formname.submit();
 }
 
-function radioSelection(radioButton) {
-    var selection=null;
-    if (radioButton.length > 1) {
-	for (var i=0; i<radioButton.length; i++) {
-	    if (radioButton[i].checked) {
-		return radioButton[i].value;
-	    }
-	}
-    } else {
-	if (radioButton.checked) return radioButton.value;
-    }
-    return selection;
-}
-    
-function pullDownSelection(selectOne) {
-    var selection="";
-    if (selectOne.length > 1) {
-	for (var i=0; i<selectOne.length; i++) {
-	    if (selectOne[i].selected) {
-		return selectOne[i].value;
-	    }
-	}
-    } else {
-	if (selectOne.selected) return selectOne.value;
-    }
-}
 </script>
 LISTJAVASCRIPT
-
+    &commonJSfunctions($request);
     my ($symb,$url) = &get_symb_and_url($request);
     my $cdom      = $ENV{"course.$ENV{'request.course.id'}.domain"};
     my $cnum      = $ENV{"course.$ENV{'request.course.id'}.num"};
@@ -2595,7 +2887,9 @@ LISTJAVASCRIPT
     $result.='<form action="/adm/grades" method="post" name="displayPage">'."\n";
     $result.='&nbsp;<b>Problems from:</b> <select name="selectpage">'."\n";
     my ($titles,$symbx) = &getSymbMap($request);
-    my ($curpage,$type,$mapId) = ($symb =~ /(.*?\.(page|sequence))___(\d+)___/); 
+    my ($curpage) =&Apache::lonnet::decode_symb($symb); 
+#    my ($curpage,$mapId) =&Apache::lonnet::decode_symb($symb); 
+#    my $type=($curpage =~ /\.(page|sequence)/);
     my $ctr=0;
     foreach (@$titles) {
 	my ($minder,$showtitle) = ($_ =~ /(\d+)\.(.*)/);
@@ -2615,50 +2909,49 @@ LISTJAVASCRIPT
     $result.='<input type="hidden" name="page" />'."\n".
 	'<input type="hidden" name="title" />'."\n";
 
-    $result.='&nbsp;<b>View Problems Text: </b><input type="radio" name="vProb" value="no" checked /> no '."\n".
+    $result.='&nbsp;<b>View Problems Text: </b><input type="radio" name="vProb" value="no" checked="on" /> no '."\n".
 	'<input type="radio" name="vProb" value="yes" /> yes '."<br>\n";
 
     $result.='&nbsp;<b>Submission Details: </b>'.
 	'<input type="radio" name="lastSub" value="none" /> none'."\n".
-	'<input type="radio" name="lastSub" value="datesub" checked /> dates and submissions'."\n".
+	'<input type="radio" name="lastSub" value="datesub" checked /> by dates and submissions'."\n".
 	'<input type="radio" name="lastSub" value="all" /> all details'."\n";
 
     $result.='<input type="hidden" name="section"     value="'.$getsec.'" />'."\n".
-	'<input type="hidden" name="Status"     value="'.$ENV{'form.Status'}.'" />'."\n".
+	'<input type="hidden" name="Status"  value="'.$ENV{'form.Status'}.'" />'."\n".
 	'<input type="hidden" name="command" value="displayPage" />'."\n".
 	'<input type="hidden" name="url"     value="'.$url.'" />'."\n".
 	'<input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
 	'<input type="hidden" name="saveState" value="'.$ENV{'form.saveState'}.'" />'."<br />\n";
 
     $result.='&nbsp;<input type="button" '.
-	'onClick="javascript:checkPickOne(this.form);"value="Submit" /><br />'."\n";
+	'onClick="javascript:checkPickOne(this.form);"value="Next->" /><br />'."\n";
 
     $request->print($result);
 
-    my $studentTable.='&nbsp;<b>Select a student you wish to grade</b><br>'.
+    my $studentTable.='&nbsp;<b>Select a student you wish to grade and then click on the Next button.</b><br>'.
 	'<table border="0"><tr><td bgcolor="#777777">'.
 	'<table border="0"><tr bgcolor="#e6ffff">'.
-	'<td><b>&nbsp;Fullname <font color="#999999">(username)</font></b></td>'.
-	'<td><b>&nbsp;Fullname <font color="#999999">(username)</font></b></td>'.
-	'<td><b>&nbsp;Fullname <font color="#999999">(username)</font></b></td>'.
-	'<td><b>&nbsp;Fullname <font color="#999999">(username)</font></b></td></tr>';
+	'<td align="right">&nbsp;<b>No.</b></td>'.
+	'<td>'.&nameUserString('header').'</td>'.
+	'<td align="right">&nbsp;<b>No.</b></td>'.
+	'<td>'.&nameUserString('header').'</td></tr>';
  
     my (undef,undef,$fullname) = &getclasslist($getsec,'1');
     my $ptr = 1;
     foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
 	my ($uname,$udom) = split(/:/,$student);
-	$studentTable.=($ptr%4 == 1 ? '<tr bgcolor="#ffffe6"><td>' : '</td><td>');
-	$studentTable.='<input type="radio" name="student" value="'.$student.'" /> '.$$fullname{$student}.
-	    '<font color="#999999"> ('.$uname.($udom eq $cdom ? '':':'.$udom).')</font>'."\n";
-	$studentTable.=($ptr%4 == 0 ? '</td></tr>' : '');
+	$studentTable.=($ptr%2 == 1 ? '<tr bgcolor="#ffffe6">' : '</td>');
+	$studentTable.='<td align="right">'.$ptr.'&nbsp;</td>';
+	$studentTable.='<td>&nbsp;<input type="radio" name="student" value="'.$student.'" /> '
+	    .&nameUserString(undef,$$fullname{$student},$uname,$udom)."\n";
+	$studentTable.=($ptr%2 == 0 ? '</td></tr>' : '');
 	$ptr++;
     }
-    $studentTable.='</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;' if ($ptr%4 == 2);
-    $studentTable.='</td><td>&nbsp;</td><td>&nbsp;' if ($ptr%4 == 3);
-    $studentTable.='</td><td>&nbsp;' if ($ptr%4 == 0);
+    $studentTable.='</td><td>&nbsp;</td><td>&nbsp;' if ($ptr%2 == 0);
     $studentTable.='</td></tr></table></td></tr></table>'."\n";
-    $studentTable.='<br />&nbsp;<input type="button" '.
-	'onClick="javascript:checkPickOne(this.form);"value="Submit" /></form>'."\n";
+    $studentTable.='<input type="button" '.
+	'onClick="javascript:checkPickOne(this.form);"value="Next->" /></form>'."\n";
 
     $studentTable.=&show_grading_menu_form($symb,$url);
     $request->print($studentTable);
@@ -2668,52 +2961,21 @@ LISTJAVASCRIPT
 
 sub getSymbMap {
     my ($request) = @_;
-    my $navmap = Apache::lonnavmaps::navmap-> new($ENV{'request.course.fn'}.'.db',
-						  $ENV{'request.course.fn'}.'_parms.db',1, 1);
-    $navmap->init();
-
-    # End navmap using boilerplate
-
-    my $iterator = Apache::lonnavmaps::iterator->new($navmap, undef, undef, undef, undef, 1, undef, 1);
-    my $depth = 1;
-    my $curRes = $iterator->next();
+    my $navmap = Apache::lonnavmaps::navmap->new();
 
     my %symbx = ();
     my @titles = ();
-    my $minder=0;
-    my $seenBeginMap = 0;
-    while ($depth > 0 || !$seenBeginMap) {
-        if ($curRes == $iterator->BEGIN_MAP()) {$depth++; $seenBeginMap = 1; }
-        if ($curRes == $iterator->END_MAP()) { $depth--; }
-
-        if (ref($curRes) && $curRes->is_map()) {
-	    my ($mapUrl, $id, $resUrl) = split(/___/, $curRes->symb()); # check map contains at least one problem
-	    my $map = $navmap->getResourceByUrl($resUrl); # add to navmaps
-
-	    my $mapiterator = $navmap->getIterator($map->map_start(),
-						   $map->map_finish());
-
-	    my $mapdepth = 1;
-	    my $countProblems = 0;
-	    $mapiterator->next(); # skip the first BEGIN_MAP
-	    my $mapcurRes = $mapiterator->next(); # for "current resource"
-	    while ($mapdepth > 0) {
-		if($mapcurRes == $mapiterator->BEGIN_MAP) { $mapdepth++; }
-		if($mapcurRes == $mapiterator->END_MAP) { $mapdepth--; }
-
-		if (ref($mapcurRes) && $mapcurRes->is_problem() && !$mapcurRes->randomout) {
-		    $countProblems++;
-		}
-		$mapcurRes = $mapiterator->next();
-	    }
-	    if ($countProblems > 0) {
-		my $title = $curRes->compTitle();
-		push @titles,$minder.'.'.$title; # minder, just in case two titles are identical
-		$symbx{$minder.'.'.$title} = $curRes->symb();
-		$minder++;
-	    }
-       }
-        $curRes = $iterator->next();
+    my $minder = 0;
+
+    # Gather every sequence that has problems.
+    my @sequences = $navmap->retrieveResources(undef, sub { shift->is_map(); }, 1);
+    for my $sequence ($navmap->getById('0.0'), @sequences) {
+	if ($navmap->hasResource($sequence, sub { shift->is_problem(); }, 0) ) {
+	    my $title = $minder.'.'.$sequence->compTitle();
+	    push @titles, $title; # minder in case two titles are identical
+	    $symbx{$title} = $sequence->symb();
+	    $minder++;
+	}
     }
 
     $navmap->untieHashes();
@@ -2739,15 +3001,13 @@ sub displayPage {
 	return;
     }
     my $result='<h3><font color="#339933">&nbsp;'.$ENV{'form.title'}.'</font></h3>';
-    $result.='<h3>&nbsp;Student: '.$$fullname{$ENV{'form.student'}}.
-	'<font color="#999999"> ('.$uname.($udom eq $cdom ? '':':'.$udom).')</font></h3>'."\n";
-
+    $result.='<h3>&nbsp;Student: '.&nameUserString(undef,$$fullname{$ENV{'form.student'}},$uname,$udom).
+	'</h3>'."\n";
     &sub_page_js($request);
     $request->print($result);
 
-    my $navmap = Apache::lonnavmaps::navmap-> new($ENV{'request.course.fn'}.'.db',
-						  $ENV{'request.course.fn'}.'_parms.db',1, 1);
-    my ($mapUrl, $id, $resUrl) = split(/___/, $ENV{'form.page'});
+    my $navmap = Apache::lonnavmaps::navmap->new();
+    my ($mapUrl, $id, $resUrl)=&Apache::lonnet::decode_symb($ENV{'form.page'});
     my $map = $navmap->getResourceByUrl($resUrl); # add to navmaps
 
     my $iterator = $navmap->getIterator($map->map_start(),
@@ -2755,22 +3015,24 @@ sub displayPage {
 
     my $studentTable='<form action="/adm/grades" method="post" name="gradePage">'."\n".
 	'<input type="hidden" name="command" value="gradeByPage" />'."\n".
+	'<input type="hidden" name="fullname" value="'.$$fullname{$ENV{'form.student'}}.'" />'."\n".
 	'<input type="hidden" name="student" value="'.$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="url"     value="'.$url.'" />'."\n".
 	'<input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
+	'<input type="hidden" name="overRideScore" value="no" />'."\n".
 	'<input type="hidden" name="saveState" value="'.$ENV{'form.saveState'}.'" />'."\n";
 
     my $checkIcon = '<img src="'.$request->dir_config('lonIconsURL').
 	'/check.gif" height="16" border="0" />';
 
-    $studentTable.='&nbsp;<b>Note:</b> A problem graded correct ('.$checkIcon.
-	') by the computer cannot be changed.'."\n".
+    $studentTable.='&nbsp;<b>Note:</b> Problems graded correct by the computer are marked with a '.$checkIcon.
+	' symbol.'."\n".
 	'<table border="0"><tr><td bgcolor="#777777">'.
 	'<table border="0"><tr bgcolor="#e6ffff">'.
-	'<td align="center"><b>&nbsp;No&nbsp;</b></td>'.
-	'<td><b>&nbsp;'.($ENV{'form.vProb'} eq 'no' ? 'Title' : 'Problem View').'/Grade</b></td></tr>';
+	'<td align="center"><b>&nbsp;Prob.&nbsp;</b></td>'.
+	'<td><b>&nbsp;'.($ENV{'form.vProb'} eq 'no' ? 'Title' : 'Problem Text').'/Grade</b></td></tr>';
 
     my ($depth,$question) = (1,1);
     $iterator->next(); # skip the first BEGIN_MAP
@@ -2779,15 +3041,16 @@ sub displayPage {
         if($curRes == $iterator->BEGIN_MAP) { $depth++; }
         if($curRes == $iterator->END_MAP) { $depth--; }
 
-        if (ref($curRes) && $curRes->is_problem() && !$curRes->randomout) {
+        if (ref($curRes) && $curRes->is_problem()) {
 	    my $parts = $curRes->parts();
             my $title = $curRes->compTitle();
 	    my $symbx = $curRes->symb();
 	    $studentTable.='<tr bgcolor="#ffffe6"><td align="center" valign="top" >'.$question.
 		(scalar(@{$parts}) == 1 ? '' : '<br>('.scalar(@{$parts}).'&nbsp;parts)').'</td>';
 	    $studentTable.='<td valign="top">';
-	    if ($ENV{'form.vProb'} eq 'yes') {
-		$studentTable.=&show_problem($request,$symbx,$uname,$udom,1);
+	    if ($ENV{'form.vProb'} eq 'yes' ) {
+		$studentTable.=&show_problem($request,$symbx,$uname,$udom,1,
+					     undef,'both');
 	    } else {
 		my $companswer = &Apache::loncommon::get_student_answers($symbx,$uname,$udom,$ENV{'request.course.id'});
 		$companswer =~ s|<form(.*?)>||g;
@@ -2801,46 +3064,23 @@ sub displayPage {
 	    }
 
 	    my %record = &Apache::lonnet::restore($symbx,$ENV{'request.course.id'},$udom,$uname);
+
 	    if ($ENV{'form.lastSub'} eq 'datesub') {
 		if ($record{'version'} eq '') {
 		    $studentTable.='<br />&nbsp;<font color="red">No recorded submission for this problem</font><br />';
 		} else {
-		    $studentTable.='<table border="0" width="100%"><tr><td bgcolor="#777777">'.
-			'<table border="0" width="100%"><tr bgcolor="#e6ffff">'.
-			'<td><b>Date/Time</b></td>'.
-			'<td><b>Submission</b></td>'.
-			'<td><b>Status&nbsp;</b></td></tr>';
 		    my %responseType = ();
 		    foreach my $partid (@{$parts}) {
-			$responseType{$partid} = $curRes->responseType($partid);
-		    }
-		    my ($version);
-		    for ($version=1;$version<=$record{'version'};$version++) {
-			my $timestamp = scalar(localtime($record{$version.':timestamp'}));
-			$studentTable.='<tr bgcolor="#ffffff" valign="top"><td>'.$timestamp.'</td>';
-			my @versionKeys = split(/\:/,$record{$version.':keys'});
-			my @displaySub = ();
-			foreach my $partid (@{$parts}) {
-			    my @matchKey = grep /^resource\.$partid\..*?\.submission$/,@versionKeys;
-			    next if ($record{"$version:resource.$partid.solved"} eq '');
-			    $displaySub[0].=(exists $record{$version.':'.$matchKey[0]}) ? 
-				'<b>Part&nbsp;'.$partid.'&nbsp;'.
-				($record{"$version:resource.$partid.tries"} eq '' ? 'Trial&nbsp;not&nbsp;counted' :
-				'Trial&nbsp;'.$record{"$version:resource.$partid.tries"}).'</b>&nbsp; '.
-				&cleanRecord($record{$version.':'.$matchKey[0]},$responseType{$partid}).'<br />' : '';
-			    $displaySub[1].=(exists $record{"$version:resource.$partid.award"}) ?
-				'<b>Part&nbsp;'.$partid.'</b> &nbsp;'.
-				$record{"$version:resource.$partid.award"}.'/'.
-				$record{"$version:resource.$partid.solved"}.'<br />' : '';
-			    $displaySub[2].=(exists $record{"$version:resource.$partid.regrader"}) ?
-				$record{"$version:resource.$partid.regrader"}.' (<b>Part:</b> '.$partid.')' : '';
+			my @responseIds =$curRes->responseIds($partid);
+			my @responseType =$curRes->responseType($partid);
+			my %responseIds;
+			for (my $i=0;$i<=$#responseIds;$i++) {
+			    $responseIds{$responseIds[$i]}=$responseType[$i];
 			}
-			$displaySub[2].=(exists $record{"$version:resource.regrader"}) ?
-			    $record{"$version:resource.regrader"} : '';
-			$studentTable.='<td>'.$displaySub[0].'&nbsp;</td><td>'.$displaySub[1].
-			    ($displaySub[2] eq '' ? '' : 'Manually graded by '.$displaySub[2]).'&nbsp;</td></tr>';
+			$responseType{$partid} = \%responseIds;
 		    }
-		    $studentTable.='</table></td></tr></table>';
+		    $studentTable.= &displaySubByDates($symbx,\%record,$parts,\%responseType,$checkIcon,$uname,$udom);
+
 		}
 	    } elsif ($ENV{'form.lastSub'} eq 'all') {
 		my $last = ($ENV{'form.lastSub'} eq 'last' ? 'last' : '');
@@ -2865,7 +3105,7 @@ sub displayPage {
     $navmap->untieHashes();
 
     $studentTable.='</td></tr></table></td></tr></table>'."\n".
-	'&nbsp;&nbsp;<input type="button" value="Save" '.
+	'<input type="button" value="Save" '.
 	'onClick="javascript:checkSubmitPage(this.form,'.$question.');" TARGET=_self />'.
 	'</form>'."\n";
     $studentTable.=&show_grading_menu_form($symb,$url);
@@ -2874,24 +3114,74 @@ sub displayPage {
     return '';
 }
 
-sub cleanRecord {
-    my ($answer,$response) = @_;
-    if ($response eq 'option') {
-	my (@IDs,@ans);
-	foreach (split(/\&/,&Apache::lonnet::unescape($answer))) {
-	    my ($optionID,$ans) = split(/=/);
-	    push @IDs,$optionID.'</font>';
-	    push @ans,$ans;
-	}
-	my $grayFont = '<font color="#999999">';
-	return '<table border="1">'.
-	    '<tr valign="top"><td>Answer</td><td>'.
-	    (join '</td><td>',@ans).'</td></tr>'.
-	    '<tr><td>'.$grayFont.'Option ID</font></td><td>'.$grayFont.
-	    (join '</td><td>'.$grayFont,@IDs).'</font></td></tr>'.
-	    '</table>';
+sub displaySubByDates {
+    my ($symb,$record,$parts,$responseType,$checkIcon,$uname,$udom) = @_;
+    my $studentTable='<table border="0" width="100%"><tr><td bgcolor="#777777">'.
+	'<table border="0" width="100%"><tr bgcolor="#e6ffff">'.
+	'<td><b>Date/Time</b></td>'.
+	'<td><b>Submission</b></td>'.
+	'<td><b>Status&nbsp;</b></td></tr>';
+    my ($version);
+    my %mark;
+    my %orders;
+    $mark{'correct_by_student'} = $checkIcon;
+    if (!exists($$record{'1:timestamp'})) {
+	return '<br />&nbsp;<font color="red">Nothing submitted - no attempts</font><br />';
+    }
+    for ($version=1;$version<=$$record{'version'};$version++) {
+	my $timestamp = scalar(localtime($$record{$version.':timestamp'}));
+	$studentTable.='<tr bgcolor="#ffffff" valign="top"><td>'.$timestamp.'</td>';
+	my @versionKeys = split(/\:/,$$record{$version.':keys'});
+	my @displaySub = ();
+	foreach my $partid (@{$parts}) {
+	    my @matchKey = sort(grep /^resource\.\Q$partid\E\..*?\.submission$/,@versionKeys);
+#	    next if ($$record{"$version:resource.$partid.solved"} eq '');
+	    foreach my $matchKey (@matchKey) {
+		if (exists $$record{$version.':'.$matchKey}) {
+		    my ($responseId)=($matchKey=~ /^resource\.\Q$partid\E\.(.*?)\.submission$/);
+		    $displaySub[0].='<b>Part&nbsp;'.$partid.'&nbsp;';
+		    $displaySub[0].='<font color="#999999">(ID&nbsp;'.
+			$responseId.')</font>&nbsp;';
+		    if ($$record{"$version:resource.$partid.tries"} eq '') {
+			$displaySub[0].='Trial&nbsp;not&nbsp;counted';
+		    } else {
+			$displaySub[0].='Trial&nbsp;'.
+			    $$record{"$version:resource.$partid.tries"};
+		    }
+		    my $responseType=$responseType->{$partid}->{$responseId};
+		    if (!exists($orders{$partid})) { $orders{$partid}={}; }
+		    if (!exists($orders{$partid}->{$responseId})) {
+			$orders{$partid}->{$responseId}=
+			    &get_order($partid,$responseId,$symb,$uname,$udom);
+		    }
+		    $displaySub[0].='</b>&nbsp; '.
+			&cleanRecord($$record{$version.':'.$matchKey},$responseType,$symb,$partid,$responseId,$record,$orders{$partid}->{$responseId},"$version:").'<br />';
+		}
+	    }
+	    if (exists $$record{"$version:resource.$partid.award"}) {
+		$displaySub[1].='<b>Part&nbsp;'.$partid.'</b> &nbsp;'.
+		    lc($$record{"$version:resource.$partid.award"}).' '.
+		    $mark{$$record{"$version:resource.$partid.solved"}}.
+		    '<br />';
+	    }
+	    if (exists $$record{"$version:resource.$partid.regrader"}) {
+		$displaySub[2].=$$record{"$version:resource.$partid.regrader"}.
+		    ' (<b>Part:</b> '.$partid.')';
+	    }
+	}
+	# needed because old essay regrader has not parts info
+	if (exists $$record{"$version:resource.regrader"}) {
+	    $displaySub[2].=$$record{"$version:resource.regrader"};
+	}
+	$studentTable.='<td>'.$displaySub[0].'&nbsp;</td><td>'.$displaySub[1];
+	if ($displaySub[2]) {
+	    $studentTable.='Manually graded by '.$displaySub[2];
+	}
+	$studentTable.='&nbsp;</td></tr>';
+    
     }
-    return $answer;
+    $studentTable.='</table></td></tr></table>';
+    return $studentTable;
 }
 
 sub updateGradeByPage {
@@ -2910,14 +3200,13 @@ sub updateGradeByPage {
 	return;
     }
     my $result='<h3><font color="#339933">&nbsp;'.$ENV{'form.title'}.'</font></h3>';
-    $result.='<h3>&nbsp;Student: '.$$fullname{$ENV{'form.student'}}.
-	'<font color="#999999"> ('.$uname.($udom eq $cdom ? '':':'.$udom).')</font></h3>'."\n";
+    $result.='<h3>&nbsp;Student: '.&nameUserString(undef,$ENV{'form.fullname'},$uname,$udom).
+	'</h3>'."\n";
 
     $request->print($result);
 
-    my $navmap = Apache::lonnavmaps::navmap-> new($ENV{'request.course.fn'}.'.db',
-						  $ENV{'request.course.fn'}.'_parms.db',1, 1);
-    my ($mapUrl, $id, $resUrl) = split(/___/, $ENV{'form.page'});
+    my $navmap = Apache::lonnavmaps::navmap->new();
+    my ($mapUrl, $id, $resUrl) = &Apache::lonnet::decode_symb( $ENV{'form.page'});
     my $map = $navmap->getResourceByUrl($resUrl); # add to navmaps
 
     my $iterator = $navmap->getIterator($map->map_start(),
@@ -2925,7 +3214,7 @@ sub updateGradeByPage {
 
     my $studentTable='<table border="0"><tr><td bgcolor="#777777">'.
 	'<table border="0"><tr bgcolor="#e6ffff">'.
-	'<td align="center"><b>&nbsp;No&nbsp;</b></td>'.
+	'<td align="center"><b>&nbsp;Prob.&nbsp;</b></td>'.
 	'<td><b>&nbsp;Title&nbsp;</b></td>'.
 	'<td><b>&nbsp;Previous Score&nbsp;</b></td>'.
 	'<td><b>&nbsp;New Score&nbsp;</b></td></tr>';
@@ -2957,31 +3246,39 @@ sub updateGradeByPage {
 		my $score;
 		if ($partial > 0) {
 		    $score = 'correct_by_override';
-		} elsif ($partial == 0) {
+		} elsif ($newpts ne '') { #empty is taken as 0
 		    $score = 'incorrect_by_override';
 		}
-		if ($ENV{'form.GD_SEL'.$question.'_'.$partid} eq 'excused') {
+		my $dropMenu = $ENV{'form.GD_SEL'.$question.'_'.$partid};
+		if ($dropMenu eq 'excused') {
 		    $partial = '';
 		    $score = 'excused';
+		} elsif ($dropMenu eq 'reset status'
+			 && $ENV{'form.solved'.$question.'_'.$partid} ne '') { #update only if previous record exists
+		    $newrecord{'resource.'.$partid.'.tries'} = 0;
+		    $newrecord{'resource.'.$partid.'.solved'} = '';
+		    $newrecord{'resource.'.$partid.'.award'} = '';
+		    $newrecord{'resource.'.$partid.'.awarded'} = 0;
+		    $newrecord{'resource.'.$partid.'.regrader'} = "$ENV{'user.name'}:$ENV{'user.domain'}";
+		    $changeflag++;
+		    $newpts = '';
 		}
+
 		my $oldstatus = $ENV{'form.solved'.$question.'_'.$partid};
 		$displayPts[0].='&nbsp;<b>Part</b> '.$partid.' = '.
 		    (($oldstatus eq 'excused') ? 'excused' : $oldpts).
 		    '&nbsp;<br>';
 		$displayPts[1].='&nbsp;<b>Part</b> '.$partid.' = '.
-		    ($oldstatus eq 'correct_by_student' ? $oldpts :
-		     (($score eq 'excused') ? 'excused' : $newpts)).
+		     (($score eq 'excused') ? 'excused' : $newpts).
 		    '&nbsp;<br>';
 
 		$question++;
-		if (($oldstatus eq 'correct_by_student') ||
-		    ($newpts eq $oldpts && $score eq $oldstatus))
-		{
-		    next;
-		}
+		next if ($dropMenu eq 'reset status' || ($newpts == $oldpts && $score ne 'excused'));
+
 		$newrecord{'resource.'.$partid.'.awarded'}  = $partial if $partial ne '';
-		$newrecord{'resource.'.$partid.'.solved'}   = $score;
-		$newrecord{'resource.'.$partid.'.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
+		$newrecord{'resource.'.$partid.'.solved'}   = $score if $score ne '';
+		$newrecord{'resource.'.$partid.'.regrader'} = "$ENV{'user.name'}:$ENV{'user.domain'}"
+		    if (scalar(keys(%newrecord)) > 0);
 
 		$changeflag++;
 	    }
@@ -2989,6 +3286,7 @@ sub updateGradeByPage {
 		&Apache::lonnet::cstore(\%newrecord,$symbx,$ENV{'request.course.id'},
 					$udom,$uname);
 	    }
+
 	    $studentTable.='<td valign="top">'.$displayPts[0].'</td>'.
 		'<td valign="top">'.$displayPts[1].'</td>'.
 		'</tr>';
@@ -3030,7 +3328,7 @@ sub getSequenceDropDown {
     my ($request,$symb)=@_;
     my $result='<select name="selectpage">'."\n";
     my ($titles,$symbx) = &getSymbMap($request);
-    my ($curpage,$type,$mapId) = ($symb =~ /(.*?\.(page|sequence))___(\d+)___/); 
+    my ($curpage)=&Apache::lonnet::decode_symb($symb); 
     my $ctr=0;
     foreach (@$titles) {
 	my ($minder,$showtitle) = ($_ =~ /(\d+)\.(.*)/);
@@ -3082,7 +3380,7 @@ sub scantron_selectphase {
     my $result;
     $result.= <<SCANTRONFORM;
 <form method="post" enctype="multipart/form-data" action="/adm/grades" name="scantro_process">
-  <input type="hidden" name="command" value="scantron_process" />
+  <input type="hidden" name="command" value="scantron_validate" />
   $default_form_data
   <table width="100%" border="0">
     <tr>
@@ -3112,7 +3410,7 @@ sub scantron_selectphase {
       </td>
     </tr>
   </table>
-  <input type="submit" value="Submit" />
+  <input type="submit" value="Validate Scantron Records" />
 </form>
 $grading_menu_button
 SCANTRONFORM
@@ -3194,14 +3492,23 @@ sub scantron_parse_scanline {
 }
 
 sub scantron_add_delay {
+    my ($delayqueue,$scanline,$errormessage,$errorcode)=@_;
+    Apache->request->print('add_delay_error '.$_[2] );
+    push(@$delayqueue,
+	 {'line' => $scanline, 'emsg' => $errormessage,
+	  'ecode' => $errorcode }
+	 );
 }
 
 sub scantron_find_student {
     my ($scantron_record,$idmap)=@_;
     my $scanID=$$scantron_record{'scantron.ID'};
     foreach my $id (keys(%$idmap)) {
-	Apache->request->print('<pre>checking studnet -'.$id.'- againt -'.$scanID.'- </pre>');
-	if (lc($id) eq lc($scanID)) { Apache->request->print('success');return $$idmap{$id}; }
+	#Apache->request->print('<pre>checking studnet -'.$id.'- againt -'.$scanID.'- </pre>');
+	if (lc($id) eq lc($scanID)) {
+	    #Apache->request->print('success');
+	    return $$idmap{$id};
+	}
     }
     return undef;
 }
@@ -3214,9 +3521,21 @@ sub scantron_filter {
     return 0;
 }
 
+#FIXME I think I am doing this in the wrong order, I think it would be
+#better to make a several passes analyzing all of the lines in the
+#file for common errors wrong/invalid PID/username duplicated
+#PID/username, missing bubbles, double bubbles, missing/invalid CODE
+#and then get the instructor to fix all of these errors, then grade
+#the corrected one, I'll still need to catch error conditions, but
+#maybe most will taken care even before we start
+
+sub scantron_validate_file {
+    my ($r) = @_;
+}
+
 sub scantron_process_students {
     my ($r) = @_;
-    my (undef,undef,$sequence)=split(/___/,$ENV{'form.selectpage'});
+    my (undef,undef,$sequence)=&Apache::lonnet::decode_symb($ENV{'form.selectpage'});
     my ($symb,$url)=&get_symb_and_url($r);
     if (!$symb) {return '';}
     my $default_form_data=&defaultFormData($symb,$url);
@@ -3226,10 +3545,10 @@ sub scantron_process_students {
     my @scanlines=<$scanlines>;
     my $classlist=&Apache::loncoursedata::get_classlist();
     my %idmap=&username_to_idmap($classlist);
-    my $navmap=Apache::lonnavmaps::navmap->new($ENV{'request.course.fn'}.'.db',$ENV{'request.course.fn'}.'_parms.db',1, 1);
+    my $navmap=Apache::lonnavmaps::navmap->new();
     my $map=$navmap->getResourceByUrl($sequence);
     my @resources=$navmap->retrieveResources($map,\&scantron_filter,1,0);
-    $r->print("geto ".scalar(@resources)."<br />");
+#    $r->print("geto ".scalar(@resources)."<br />");
     my $result= <<SCANTRONFORM;
 <form method="post" enctype="multipart/form-data" action="/adm/grades" name="scantronupload">
   <input type="hidden" name="command" value="scantron_configphase" />
@@ -3238,29 +3557,36 @@ SCANTRONFORM
     $r->print($result);
 
     my @delayqueue;
-    my $totalcorrect;
-    my $totalincorrect;
-
+    my %completedstudents;
+    
     my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,
 	           'Scantron Status','Scantron Progress',scalar(@scanlines));
+    &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
+					  'Processing first student');
+    my $start=&Time::HiRes::time();
     foreach my $line (@scanlines) {
-	my $studentcorrect;
-	my $studentincorrect;
+	$r->print('<pre>line is'.$line.'</pre>');
 
 	chomp($line);
 	my $scan_record=&scantron_parse_scanline($line,\%scantron_config);
 	my ($uname,$udom);
-	if ($uname=&scantron_find_student($scan_record,\%idmap)) {
+	unless ($uname=&scantron_find_student($scan_record,\%idmap)) {
+	    &scantron_add_delay(\@delayqueue,$line,
+				'Unable to find a student that matches',1);
+	    next;
+	}
+	if (exists $completedstudents{$uname}) {
 	    &scantron_add_delay(\@delayqueue,$line,
-				'Unable to find a student that matches');
+				'Student '.$uname.' has multiple sheets',2);
+	    next;
 	}
 	$r->print('<pre>doing studnet'.$uname.'</pre>');
 	($uname,$udom)=split(/:/,$uname);
 	&Apache::lonnet::delenv('form.counter');
 	&Apache::lonnet::appenv(%$scan_record);
 #    &Apache::lonhomework::showhash(%ENV);
-    $Apache::lonxml::debug=1;
-	&Apache::lonxml::debug("line is $line");
+#    $Apache::lonxml::debug=1;
+#	&Apache::lonxml::debug("line is $line");
 	
 	    my $i=0;
 	foreach my $resource (@resources) {
@@ -3272,31 +3598,31 @@ SCANTRONFORM
 				  'grade_domain'  =>$udom,
 				  'grade_courseid'=>$ENV{'request.course.id'},
 				  'grade_symb'    =>$resource->symb()));
-	    my %score=&Apache::lonnet::restore($resource->symb(),
-					       $ENV{'request.course.id'},
-					       $udom,$uname);
-	    foreach my $part ($resource->{PARTS}) {
-		if ($score{'resource.'.$part.'.solved'} =~ /^correct/) {
-		    $studentcorrect++;
-		    $totalcorrect++;
-		} else {
-		    $studentincorrect++;
-		    $totalincorrect++;
-		}
-	    }
-	    $r->print('<pre>'.
-		      $resource->symb().'-'.
-		      $resource->src().'-'.'</pre>result is'.$result);
-	    &Apache::lonhomework::showhash(%score);
+#	    my %score=&Apache::lonnet::restore($resource->symb(),
+#					       $ENV{'request.course.id'},
+#					       $udom,$uname);
+#	    foreach my $part ($resource->{PARTS}) {
+#		if ($score{'resource.'.$part.'.solved'} =~ /^correct/) {
+#		    $studentcorrect++;
+#		    $totalcorrect++;
+#		} else {
+#		    $studentincorrect++;
+#		    $totalincorrect++;
+#		}
+#	    }
+#	    $r->print('<pre>'.
+#		      $resource->symb().'-'.
+#		      $resource->src().'-'.'</pre>result is'.$result);
+#	    &Apache::lonhomework::showhash(%score);
 	#    if ($i eq 3) {last;}
 	}
+	$completedstudents{$uname}={'line'=>$line};
+    } continue {
 	&Apache::lonnet::delenv('form.counter');
 	&Apache::lonnet::delenv('scantron\.');
 	&Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
-             'last student Who got a '.$studentcorrect.' correct and '.
-	     $studentincorrect.' incorrect. The class has gotten '.
-             $totalcorrect.' correct and '.$totalincorrect.' incorrect');
-	last;
+						 'last student');
+	#last;
 	#FIXME
 	#get iterator for $sequence
 	#foreach question 'submit' the students answer to the server
@@ -3304,7 +3630,11 @@ SCANTRONFORM
 	#   generate data to pass back that includes grade recevied
 	#}
     }
-    $Apache::lonxml::debug=0;
+    &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
+    my $lasttime = &Time::HiRes::time()-$start;
+    $r->print("<p>took $lasttime</p>");
+
+    #$Apache::lonxml::debug=0;
     foreach my $delay (@delayqueue) {
 	#FIXME
 	#print out each delayed student with interface to select how
@@ -3330,7 +3660,7 @@ SCANTRONFORM
 #--- Show a Grading Menu button - Calls the next routine ---
 sub show_grading_menu_form {
     my ($symb,$url)=@_;
-    my $result.='<form action="/adm/grades" method="post">'."\n".
+    my $result.='<br /><form action="/adm/grades" method="post">'."\n".
 	'<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
 	'<input type="hidden" name="url" value="'.$url.'" />'."\n".
 	'<input type="hidden" name="saveState"  value="'.$ENV{'form.saveState'}.'" />'."\n".
@@ -3364,12 +3694,14 @@ sub gradingmenu {
     function checkChoice(formname,val,cmdx) {
 	if (val <= 2) {
 	    var cmd = radioSelection(formname.radioChoice);
+	    var cmdsave = cmd;
 	} else {
 	    cmd = cmdx;
+	    cmdsave = 'submission';
 	}
 	formname.command.value = cmd;
-	formname.saveState.value = "saveCmd="+cmd+":saveSec="+pullDownSelection(formname.section)+
-	    ":saveSub="+radioSelection(formname.submitonly)+":saveStatus="+pullDownSelection(formname.Status);
+	formname.saveState.value = "saveCmd="+cmdsave+":saveSec="+pullDownSelection(formname.section)+
+	    ":saveSub="+pullDownSelection(formname.submitonly)+":saveStatus="+pullDownSelection(formname.Status);
 	if (val < 5) formname.submit();
 	if (val == 5) {
 	    if (!checkReceiptNo(formname,'notOK')) { return false;}
@@ -3390,67 +3722,27 @@ sub gradingmenu {
 	}
 	return true;
     }
-
-    function radioSelection(radioButton) {
-	var selection=null;
-	if (radioButton.length > 1) {
-	    for (var i=0; i<radioButton.length; i++) {
-		if (radioButton[i].checked) {
-		    return radioButton[i].value;
-		}
-	    }
-	} else {
-	    if (radioButton.checked) return radioButton.value;
-	}
-	return selection;
-    }
-
-    function pullDownSelection(selectOne) {
-	var selection="";
-	if (selectOne.length > 1) {
-	    for (var i=0; i<selectOne.length; i++) {
-		if (selectOne[i].selected) {
-		    return selectOne[i].value;
-		}
-	    }
-	} else {
-	    if (selectOne.selected) return selectOne.value;
-	}
-    }
-
 </script>
 GRADINGMENUJS
-
-    my $result='<h3>&nbsp;<font color="#339933">Manual Grading/View Submission</font></h3>'.
-	'<table border="0">'.
-	'<tr><td colspan=3><font size=+1><b>Problem: </b>'.$probTitle.'</font></td></tr>'."\n";
-    my ($partlist,$handgrade) = &response_type($url);
-    my ($resptype,$hdgrade)=('','no');
-    for (sort keys(%$handgrade)) {
-	my ($responsetype,$handgrade)=split(/:/,$$handgrade{$_});
-	$resptype = $responsetype;
-	$hdgrade = $handgrade if ($handgrade eq 'yes');
-	$result.='<tr><td><b>Part </b>'.(split(/_/))[0].'</td>'.
-	    '<td><b>Type: </b>'.$responsetype.'</td></tr>';
-#	    '<td><b>Handgrade: </b>'.$handgrade.'</font></td></tr>';
-    }
-    $result.='</table>'."\n";
-
+    &commonJSfunctions($request);
+    my $result='<h3>&nbsp;<font color="#339933">Manual Grading/View Submission</font></h3>';
+    my ($table,undef,$hdgrade) = &showResourceInfo($url,$probTitle);
+    $result.=$table;
     my (undef,$sections) = &getclasslist('all','0');
     my $savedState = &savedState();
-    my $saveCmd = ($$savedState{'saveCmd'} eq '' ? 'pickStudentPage' : $$savedState{'saveCmd'});
+    my $saveCmd = ($$savedState{'saveCmd'} eq '' ? 'submission' : $$savedState{'saveCmd'});
     my $saveSec = ($$savedState{'saveSec'} eq '' ? 'all' : $$savedState{'saveSec'});
-    my $saveSub = ($$savedState{'saveSub'} eq '' ? 'yes' : $$savedState{'saveSub'});
+    my $saveSub = ($$savedState{'saveSub'} eq '' ? 'all' : $$savedState{'saveSub'});
     my $saveStatus = ($$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="url"         value="'.$url.'" />'."\n".
-	'<input type="hidden" name="response"    value="'.$resptype.'" />'."\n".
 	'<input type="hidden" name="handgrade"   value="'.$hdgrade.'" />'."\n".
 	'<input type="hidden" name="probTitle"   value="'.$probTitle.'" />'."\n".
 	'<input type="hidden" name="command"     value="" />'."\n".
 	'<input type="hidden" name="saveState"   value="" />'."\n".
+	'<input type="hidden" name="gradingMenu" value="1" />'."\n".
 	'<input type="hidden" name="showgrading" value="yes" />'."\n";
 
     $result.='<table width="100%" border=0><tr><td bgcolor=#777777>'."\n".
@@ -3460,7 +3752,7 @@ GRADINGMENUJS
 
     $result.='<table width="100%" border=0>';
     $result.='<tr bgcolor="#ffffe6" valign="top"><td>'."\n".
-	'&nbsp;Section: <select name="section">'."\n";
+	'&nbsp;Select Section: <select name="section">'."\n";
     if (ref($sections)) {
 	foreach (sort (@$sections)) {$result.='<option value="'.$_.'" '.
 					 ($saveSec eq $_ ? 'selected="on"' : '').'>'.$_.'</option>'."\n";}
@@ -3475,27 +3767,29 @@ GRADINGMENUJS
     }
     $result.='</td></tr>';
 
-    $result.='<tr bgcolor="#ffffe6" valign="top"><td>'.
-	'<input type="radio" name="radioChoice" value="pickStudentPage" '.
-	($saveCmd eq 'pickStudentPage' ? 'checked' : '').'> '.
-	'One student for whole page/sequence/folder</td></tr>'."\n";
+    $result.='<tr bgcolor="#ffffe6"valign="top"><td>'.
+	'<input type="radio" name="radioChoice" value="submission" '.
+	($saveCmd eq 'submission' ? 'checked' : '').'> '.'<b>Current Resource:</b> For one or more students '.
+	'<select name="submitonly">'.
+	'<option value="yes" '.
+	($saveSub eq 'yes' ? 'selected="on"' : '').'>with submissions</option>'.
+	'<option value="graded" '.
+	($saveSub eq 'graded' ? 'selected="on"' : '').'>with ungraded submissions</option>'.
+	'<option value="all" '.
+	($saveSub eq 'all' ? 'selected="on"' : '').'>with any status</option></select></td></tr>'."\n";
 
     $result.='<tr bgcolor="#ffffe6"valign="top"><td>'.
 	'<input type="radio" name="radioChoice" value="viewgrades" '.
 	($saveCmd eq 'viewgrades' ? 'checked' : '').'> '.
-	'All students in section/course for current resource</td></tr>'."\n";
+	'<b>Current Resource:</b> For all students in selected section or course</td></tr>'."\n";
 
-    $result.='<tr bgcolor="#ffffe6"valign="top"><td>'.
-	'<input type="radio" name="radioChoice" value="submission" '.
-	($saveCmd eq 'submission' ? 'checked' : '').'> '.'One or more students for current resource'.
-	'<br />&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;-->For students who has: '.
-	'<input type="radio" name="submitonly" value="yes" '.
-	($saveSub eq 'yes' ? 'checked' : '').' /> submitted'.
-	'<input type="radio" name="submitonly" value="all" '.
-	($saveSub eq 'all' ? 'checked' : '').' /> everybody</td></tr>'."\n";
+    $result.='<tr bgcolor="#ffffe6" valign="top"><td>'.
+	'<input type="radio" name="radioChoice" value="pickStudentPage" '.
+	($saveCmd eq 'pickStudentPage' ? 'checked' : '').'> '.
+	'The <b>complete</b> set/page/sequence: For one student</td></tr>'."\n";
 
     $result.='<tr bgcolor="#ffffe6"><td><br />'.
-	'<input type="button" onClick="javascript:checkChoice(this.form,\'2\');" value="View/Grade/Regrade" />'.
+	'<input type="button" onClick="javascript:checkChoice(this.form,\'2\');" value="Next->" />'.
 	'</td></tr></table>'."\n";
 
     $result.='</td><td valign="top">';
@@ -3528,9 +3822,9 @@ sub handler {
 
     undef(%perm);
     if ($ENV{'browser.mathml'}) {
-	$request->content_type('text/xml');
+	&Apache::loncommon::content_type($request,'text/xml');
     } else {
-	$request->content_type('text/html');
+	&Apache::loncommon::content_type($request,'text/html');
     }
     $request->send_http_header;
     return '' if $request->header_only;
@@ -3540,7 +3834,7 @@ sub handler {
     my $command=$ENV{'form.command'};
     if (!$url) {
 	my ($temp1,$temp2);
-	($temp1,$temp2,$ENV{'form.url'})=split(/___/,$symb);
+	($temp1,$temp2,$ENV{'form.url'})=&Apache::lonnet::decode_symb($symb);
 	$url = $ENV{'form.url'};
     }
     &send_header($request);
@@ -3553,7 +3847,7 @@ sub handler {
 		my ($tsymb,$tuname,$tudom,$tcrsid)=
 		    &Apache::lonnet::checkin($token);
 		if ($tsymb) {
-		    my ($map,$id,$url)=split(/\_\_\_/,$tsymb);
+		    my ($map,$id,$url)=&Apache::lonnet::decode_symb($tsymb);
 		    if (&Apache::lonnet::allowed('mgr',$tcrsid)) {
 			$request->print(&Apache::lonnet::ssi_body('/res/'.$url,
 					  ('grade_username' => $tuname,
@@ -3625,6 +3919,8 @@ sub handler {
 	    }
 	} elsif ($command eq 'scantron_selectphase' && $perm{'mgr'}) {
 	    $request->print(&scantron_selectphase($request));
+	} elsif ($command eq 'scantron_validate' && $perm{'mgr'}) {
+	    $request->print(&scantron_validate_file($request));
 	} elsif ($command eq 'scantron_process' && $perm{'mgr'}) {
 	    $request->print(&scantron_process_students($request));
 	} elsif ($command) {
@@ -3644,6 +3940,11 @@ sub send_header {
 #remotewindow.close();
 #</script>"); 
     $request->print(&Apache::loncommon::bodytag('Grading'));
+    foreach my $key (sort(keys(%ENV))) {
+	if ($key =~ /^form\./) {
+	    Apache->request->print("$key => $ENV{$key} <br />");
+	}
+    }
 }
 
 sub send_footer {