--- loncom/homework/grades.pm	2003/05/30 21:33:15	1.92
+++ loncom/homework/grades.pm	2003/09/29 20:58:50	1.130.2.1.2.5
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Grading handler
 #
-# $Id: grades.pm,v 1.92 2003/05/30 21:33:15 albertel Exp $
+# $Id: grades.pm,v 1.130.2.1.2.5 2003/09/29 20:58:50 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;
@@ -41,6 +42,7 @@ use Apache::style;
 use Apache::lonxml;
 use Apache::lonnet;
 use Apache::loncommon;
+use Apache::lonhtmlcommon;
 use Apache::lonnavmaps;
 use Apache::lonhomework;
 use Apache::loncoursedata;
@@ -49,6 +51,7 @@ use Apache::Constants qw(:common);
 use String::Similarity;
 
 my %oldessays=();
+my %perm=();
 
 # ----- These first few routines are general use routines.----
 #
@@ -93,10 +96,23 @@ 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);
@@ -104,7 +120,9 @@ sub response_type {
 	if (/^\w+response_\w+.*/) {
 	    my ($responsetype,$part) = split(/_/,$_,2);
 	    my ($partid,$respid) = split(/_/,$part);
-	    $handgrade{$part} = $responsetype.':'.($allkeys =~ /parameter_$part\_handgrade/ ? 'yes' : 'no');
+	    $responsetype =~ s/response$//; # make it compatible w/ navmaps - should move to that!!
+	    my ($value) = &Apache::lonnet::EXT('resource.'.$part.'.handgrade',$symb);
+	    $handgrade{$part} = $responsetype.':'.($value eq 'yes' ? 'yes' : 'no'); 
 	    next if ($seen{$partid} > 0);
 	    $seen{$partid}++;
 	    push @partlist,$partid;
@@ -113,10 +131,105 @@ sub response_type {
     return \@partlist,\%handgrade;
 }
 
+#--- 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) = &response_type($url);
+    my %resptype = ();
+    my $hdgrade='no';
+    for (sort keys(%$handgrade)) {
+	my ($responsetype,$handgrade)=split(/:/,$$handgrade{$_});
+	my $partID = (split(/_/))[0];
+	$resptype{$partID} = $responsetype;
+	$hdgrade = $handgrade if ($handgrade eq 'yes');
+	$result.='<tr><td><b>Part </b>'.$partID.'</td>'.
+	    '<td><b>Type: </b>'.$responsetype.'</td></tr>';
+#	    '<td><b>Handgrade: </b>'.$handgrade.'</td></tr>';
+    }
+    $result.='</table>'."\n";
+    return $result,\%resptype,$hdgrade,$partlist,$handgrade;
+}
+
+#--- Clean response type for display
+#--- Currently filters option response type only.
+sub cleanRecord {
+    my ($answer,$response,$symb) = @_;
+    if ($response eq 'option') {
+	my (@IDs,@ans);
+	foreach (split(/\&/,&Apache::lonnet::unescape($answer))) {
+	    my ($optionID,$ans) = split(/=/);
+	    push @IDs,$optionID.'</font>';
+	    push @ans,$ans;
+	}
+	my $grayFont = '<font color="#999999">';
+	return '<blockquote><table border="1">'.
+	    '<tr valign="top"><td>Answer</td><td>'.
+	    (join '</td><td>',@ans).'</td></tr>'.
+	    '<tr valign="top"><td>'.$grayFont.'Option ID</font></td><td>'.$grayFont.
+	    (join '</td><td>'.$grayFont,@IDs).'</font></td></tr>'.
+	    '</table></blockquote>';
+    }
+    if ($response eq 'essay') {
+	if (! exists ($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>'.&keywords_highlight($answer).'</blockquote>';
+    }
+    return $answer;
+}
+
+#-- A couple of common js functions
+sub commonJSfunctions {
+    my $request = shift;
+    $request->print(<<COMMONJSFUNCTIONS);
+<script type="text/javascript" language="javascript">
+    function radioSelection(radioButton) {
+	var selection=null;
+	if (radioButton.length > 1) {
+	    for (var i=0; i<radioButton.length; i++) {
+		if (radioButton[i].checked) {
+		    return radioButton[i].value;
+		}
+	    }
+	} else {
+	    if (radioButton.checked) return radioButton.value;
+	}
+	return selection;
+    }
+
+    function pullDownSelection(selectOne) {
+	var selection="";
+	if (selectOne.length > 1) {
+	    for (var i=0; i<selectOne.length; i++) {
+		if (selectOne[i].selected) {
+		    return selectOne[i].value;
+		}
+	    }
+	} else {
+	    if (selectOne.selected) return selectOne.value;
+	}
+    }
+</script>
+COMMONJSFUNCTIONS
+}
+
 #--- Dumps the class list with usernames,list of sections,
 #--- section, ids and fullnames for each user.
 sub getclasslist {
     my ($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));
@@ -128,60 +241,67 @@ sub getclasslist {
 	my (undef,undef,$end,$start,$id,$section,$fullname,$status)=
             @{$classlist->{$_}};
 	# filter students according to status selected
-	if ($filterlist && $ENV{'form.status'} ne 'Any') {
-	    if ($ENV{'form.status'} ne $status) {
+	if ($filterlist && $ENV{'form.Status'} ne 'Any') {
+	    if ($ENV{'form.Status'} ne $status) {
 		delete ($classlist->{$_});
 		next;
 	    }
 	}
 	$section = ($section ne '' ? $section : 'no');
-	if ($getsec eq 'all' || $getsec eq $section) {
-            $sections{$section}++;
-            $fullnames{$_}=$fullname;
-        } else {
-            delete($classlist->{$_});
-        }
+	if (&canview($section)) {
+	    if ($getsec eq 'all' || $getsec eq $section) {
+		$sections{$section}++;
+		$fullnames{$_}=$fullname;
+	    } else {
+		delete($classlist->{$_});
+	    }
+	} else {
+	    delete($classlist->{$_});
+	}
     }
     my %seen = ();
     my @sections = sort(keys(%sections));
     return ($classlist,\@sections,\%fullnames);
 }
 
-#find user domain
-sub finduser {
-    my ($name) = @_;
-    my $domain = '';
-    if ( $Apache::grades::viewgrades eq 'F' ) {
-	my %classlist=&Apache::lonnet::dump('classlist',
-					    $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
-					    $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
-	my (@fields) = grep /^$name:/, keys %classlist;
-	($name, $domain) = split(/:/,$fields[0]);
-	return ($name,$domain);
-    } else {
-	return ($ENV{'user.name'},$ENV{'user.domain'});
+sub canmodify {
+    my ($sec)=@_;
+    if ($perm{'mgr'}) {
+	if (!defined($perm{'mgr_section'})) {
+	    # can modify whole class
+	    return 1;
+	} else {
+	    if ($sec eq $perm{'mgr_section'}) {
+		#can modify the requested section
+		return 1;
+	    } else {
+		# can't modify the request section
+		return 0;
+	    }
+	}
     }
+    #can't modify
+    return 0;
 }
 
-#--- Prompts a user to enter a username.
-sub moreinfo {
-    my ($request,$reason) = @_;
-    $request->print("Unable to process request: $reason");
-    if ( $Apache::grades::viewgrades eq 'F' ) {
-	$request->print('<form action="/adm/grades" method="post">'."\n");
-	if ($ENV{'form.url'}) {
-	    $request->print('<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />'."\n");
-	}
-	if ($ENV{'form.symb'}) {
-	    $request->print('<input type="hidden" name="symb" value="'.$ENV{'form.symb'}.'" />'."\n");
-	}
-	$request->print('<input type="hidden" name="command" value="'.$ENV{'form.command'}.'" />'."\n");
-	$request->print("Student:".'<input type="text" name="student" value="'.$ENV{'form.student'}.'" />'."<br />\n");
-	$request->print("Domain:".'<input type="text" name="domain" value="'.$ENV{'user.domain'}.'" />'."<br />\n");
-	$request->print('<input type="submit" name="submit" value="ReSubmit" />'."<br />\n");
-	$request->print('</form>');
+sub canview {
+    my ($sec)=@_;
+    if ($perm{'vgr'}) {
+	if (!defined($perm{'vgr_section'})) {
+	    # can modify whole class
+	    return 1;
+	} else {
+	    if ($sec eq $perm{'vgr_section'}) {
+		#can modify the requested section
+		return 1;
+	    } else {
+		# can't modify the request section
+		return 0;
+	    }
+	}
     }
-    return '';
+    #can't modify
+    return 0;
 }
 
 #--- Retrieve the grade status of a student for all the parts
@@ -190,7 +310,7 @@ 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";
@@ -216,6 +336,7 @@ 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".
@@ -288,7 +409,7 @@ 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');
@@ -336,138 +457,172 @@ 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">
-  function checkSelect(checkBox) {
-    var ctr=0;
-    var sense="";
-    if (checkBox.length > 1) {
-       for (var i=0; i<checkBox.length; i++) {
-	  if (checkBox[i].checked) {
-	     ctr++;
-	  }
-       }
-       sense = "a student or group of students";
-    } else {
-       if (checkBox.checked) {
-	   ctr = 1;
-       }
-       sense = "the student";
-    }
-    if (ctr == 0) {
-       alert("Please select "+sense+" before clicking on the $viewgrade button.");
-       return false;
+    function checkSelect(checkBox) {
+	var ctr=0;
+	var sense="";
+	if (checkBox.length > 1) {
+	    for (var i=0; i<checkBox.length; i++) {
+		if (checkBox[i].checked) {
+		    ctr++;
+		}
+	    }
+	    sense = "a student or group of students";
+	} else {
+	    if (checkBox.checked) {
+		ctr = 1;
+	    }
+	    sense = "the student";
+	}
+	if (ctr == 0) {
+	    alert("Please select "+sense+" before clicking on the Next button.");
+	    return false;
+	}
+	document.gradesub.submit();
+    }
+
+    function reLoadList(formname) {
+	if (formname.saveStatusOld.value == pullDownSelection(formname.Status)) {return;}
+	formname.command.value = 'submission';
+	formname.submit();
     }
-    document.gradesub.submit();
-  }
 </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 $gradeTable='<form action="/adm/grades" method="post" name="gradesub">'."\n".
-	'&nbsp;<b>View Problem: </b><input type="radio" name="vProb" value="no" checked /> no '."\n".
+	'&nbsp;<b>View Problem Text: </b><input type="radio" name="vProb" value="no" checked /> no '."\n".
 	'<input type="radio" name="vProb" value="yes" /> one student '."\n".
 	'<input type="radio" name="vProb" value="all" /> all students <br />'."\n".
 	'&nbsp;<b>Submissions: </b>'."\n";
-    if ($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".
+	'<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".
 	'<input type="hidden" name="probTitle"   value="'.$ENV{'form.probTitle'}.'" />'."\n".
 	'<input type="hidden" name="url"  value="'.$url.'" />'."\n".
 	'<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
-	'To '.lc($viewgrade).' a submission, click on the check box next to the student\'s name. Then '."\n".
-	'click on the '.$viewgrade.' button. To view the submissions for a group of students, click'."\n".
-	' on the check boxes for the group of students.<br />'."\n".
-	'<input type="hidden" name="command" value="processGroup" />'."\n".
-	'<input type="button" '."\n".
+	'<input type="hidden" name="saveStatusOld" value="'.$saveStatus.'" />'."\n";
+
+    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 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";
- 
-    my (undef,undef,$fullname) = &getclasslist($getsec,$ENV{'form.showgrading'} eq 'yes' ? '1' : '0');
-    
+	'value="Next->" />'."\n";
+
+    my (undef, undef, $fullname) = &getclasslist($getsec,'1');  
     $gradeTable.='<table border="0"><tr><td bgcolor="#777777">'.
-	'<table border="0"><tr bgcolor="#e6ffff">'.
-	'<td><b>&nbsp;Select&nbsp;</b></td><td><b>&nbsp;Fullname&nbsp;</b></td>'.
-	'<td><b>&nbsp;Username&nbsp;</b></td><td><b>&nbsp;Domain&nbsp;</b></td>';
-    foreach (sort(@$partlist)) {
-	$gradeTable.='<td><b>&nbsp;Part '.(split(/_/))[0].' Status&nbsp;</b></td>';
+	'<table border="0"><tr bgcolor="#e6ffff">';
+    my $loop = 0;
+    while ($loop < 2) {
+	$gradeTable.='<td><b>&nbsp;No.</b>&nbsp;</td><td><b>&nbsp;Select&nbsp;</b></td>'.
+	    '<td>'.&nameUserString('header').'</td>';
+	if ($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";
 
     my $ctr = 0;
     foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
 	my ($uname,$udom) = split(/:/,$student);
-	my (%status) =&student_gradeStatus($url,$symb,$udom,$uname,$partlist);
-	my $statusflg = '';
-	foreach (keys(%status)) {
-	    $statusflg = 1 if ($status{$_} ne 'nothing');
-	    my ($foo,$partid,$foo1) = split(/\./,$_);
-	    if ($status{'resource.'.$partid.'.submitted_by'} ne '') {
-		$statusflg = '';
-		$gradeTable.='<input type="hidden" name="'.
-		    $student.':submitted_by" value="'.
-		    $status{'resource.'.$partid.'.submitted_by'}.'" />';
+	my %status = ();
+	if ($ENV{'form.showgrading'} eq 'yes' && $submitonly ne 'all') {
+	    (%status) =&student_gradeStatus($url,$symb,$udom,$uname,$partlist);
+	    my $statusflg = '';
+	    foreach (keys(%status)) {
+		$statusflg = 1 if ($status{$_} ne 'nothing');
+		my ($foo,$partid,$foo1) = split(/\./,$_);
+		if ($status{'resource.'.$partid.'.submitted_by'} ne '') {
+		    $statusflg = '';
+		    $gradeTable.='<input type="hidden" name="'.
+			$student.':submitted_by" value="'.
+			$status{'resource.'.$partid.'.submitted_by'}.'" />';
+		}
 	    }
+	    next if ($statusflg eq '' && $submitonly eq 'yes');
 	}
-	next if ($statusflg eq '' && $submitonly eq 'yes');
 
 	$ctr++;
-	if ( $Apache::grades::viewgrades eq 'F' ) {
-	    $gradeTable.='<tr bgcolor="#ffffe6">'.
+	if ( $perm{'vgr'} eq 'F' ) {
+	    $gradeTable.='<tr bgcolor="#ffffe6">' if ($ctr%2 ==1);
+	    $gradeTable.='<td align="right">'.$ctr.'&nbsp;</td>'.
 		'<td align="center"><input type=checkbox name="stuinfo" value="'.
-		$student.':'.$$fullname{$student}.'"></td>'."\n".
-		'<td>&nbsp;'.$$fullname{$student}.'&nbsp;</td>'."\n".
-		'<td>&nbsp;'.$uname.'&nbsp;</td>'."\n".
-		'<td align="middle">&nbsp;'.$udom.'&nbsp;</td>'."\n";
-	    
-	    foreach (sort keys(%status)) {
-		next if (/^resource.*?submitted_by$/);
-		$gradeTable.='<td align="middle">&nbsp;'.$status{$_}.'&nbsp;</td>'."\n";
+		$student.':'.$$fullname{$student}.'&nbsp;"></td>'."\n".
+		'<td>'.&nameUserString(undef,$$fullname{$student},$uname,$udom).'</td>'."\n";
+
+	    if ($ENV{'form.showgrading'} eq 'yes' && $submitonly ne 'all') {
+		foreach (sort keys(%status)) {
+		    next if (/^resource.*?submitted_by$/);
+		    $gradeTable.='<td align="middle">&nbsp;'.$status{$_}.'&nbsp;</td>'."\n";
+		}
 	    }
-	    $gradeTable.='</tr>'."\n";
+#	    $gradeTable.='<td></td>' if ($ctr%2 ==1);
+	    $gradeTable.='</tr>'."\n" if ($ctr%2 ==0);
 	}
     }
+    if ($ctr%2 ==1) {
+	$gradeTable.='<td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td>';
+	    if ($ENV{'form.showgrading'} eq 'yes' && $submitonly ne 'all') {
+		foreach (@$partlist) {
+		    $gradeTable.='<td>&nbsp;</td>';
+		}
+	    }
+	$gradeTable.='</tr>';
+    }
+
     $gradeTable.='</table></td></tr></table>'.
 	'<input type="button" '.
 	'onClick="javascript:checkSelect(this.form.stuinfo);" '.
-	'value="'.$viewgrade.'" /></form>'."\n";
+	'value="Next->" /></form>'."\n";
     if ($ctr == 0) {
-	$gradeTable='<br />&nbsp;<font color="red">'.
-	    'No submission found for this resource.</font><br />';
+	my $num_students=(scalar(keys(%$fullname)));
+	if ($num_students eq 0) {
+	    $gradeTable='<br />&nbsp;<font color="red">There are no students currently enrolled.</font>';
+	} else {
+	    $gradeTable='<br />&nbsp;<font color="red">'.
+		'No submissions found for this resource for any students. ('.$num_students.
+		' checked for submissions</font><br />';
+	}
     } elsif ($ctr == 1) {
 	$gradeTable =~ s/type=checkbox/type=checkbox checked/;
     }
@@ -507,9 +662,9 @@ 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;
@@ -531,7 +686,7 @@ 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;
 	    }
 	}
@@ -543,18 +698,17 @@ 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) {
@@ -562,8 +716,7 @@ sub sub_page_js {
 		}
 	    }
 	}
-	var stores = eval("formname.stores"+id);
-	stores.value = "0";
+	formname["stores"+id].value = "0";
 	updateSelect(formname,id);
 	return;
     }
@@ -573,17 +726,17 @@ 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;
 	}
@@ -591,34 +744,35 @@ 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;
 			    }
 			}
@@ -628,6 +782,13 @@ 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();
     }
 
@@ -636,11 +797,10 @@ 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++;
@@ -676,18 +836,19 @@ 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;
   }
@@ -713,10 +874,9 @@ 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;
@@ -733,21 +893,23 @@ 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" }
@@ -756,7 +918,22 @@ 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";
@@ -764,20 +941,25 @@ 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) {");
@@ -785,10 +967,12 @@ 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;");
@@ -798,9 +982,9 @@ 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()");
@@ -852,6 +1036,7 @@ 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 ==============
@@ -885,20 +1070,25 @@ 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();");
@@ -906,16 +1096,6 @@ 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>");
 
@@ -949,6 +1129,7 @@ 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>
@@ -998,11 +1179,12 @@ 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".
@@ -1045,22 +1227,40 @@ sub submission {
 
     (my $url=$ENV{'form.url'})=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
     my ($uname,$udom)     = ($ENV{'form.student'},$ENV{'form.userdom'});
-    ($uname,$udom)        = &finduser($uname) if $udom eq '';
+    $udom = ($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 '';
 
     my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));
     if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }
+
+    if (!&canview($usec)) {
+	$request->print('<font color="red">Unable to view requested student.('.
+			$uname.$udom.$usec.$ENV{'request.course.id'}.')</font>');
+	$request->print(&show_grading_menu_form($symb,$url));
+	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.
@@ -1071,7 +1271,7 @@ sub submission {
 	# 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'});
@@ -1084,14 +1284,18 @@ 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".
@@ -1099,24 +1303,27 @@ sub submission {
 			'<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);
@@ -1127,7 +1334,7 @@ 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 />
@@ -1147,22 +1354,20 @@ KEYWORDS
 	$request->print('<br /><br /><br />') if ($counter > 0);
 	$request->print(&show_problem($request,$symb,$uname,$udom,1,1));
     }
-
     my %record = &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);
-    my ($partlist,$handgrade) = &response_type($url);
+
+    my ($partlist,$handgrade) = &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: '.$uname.'</font>'.
-	'<font color="#999999">&nbsp; &nbsp;Domain: '.$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 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') {
@@ -1234,98 +1439,123 @@ KEYWORDS
 		$$fullname{$ENV{'form.'.$uname.':'.$udom.':submitted_by'}}.'</a>';
 	    $request->print($submitby);
 	} else {
-	    my ($string,$timestamp)=
-		&get_last_submission (%record);
+	    my ($string,$timestamp)= &get_last_submission (\%record);
 	    my $lastsubonly=''.
 		($$timestamp eq '' ? '' : '<b>Date Submitted:</b> '.
-		 $$timestamp).'';
+		 $$timestamp)."</td></tr>\n";
 	    if ($$timestamp eq '') {
-		$lastsubonly.='<tr><td bgcolor="#ffffe6">'.$$string[0].'</td></tr>'."\n";
+		$lastsubonly.='<tr><td bgcolor="#ffffe6">'.$$string[0]; 
 	    } else {
 		for my $part (sort keys(%$handgrade)) {
-		    foreach (@$string) {
-			my ($partid,$respid) = /^resource\.(\d+)\.(\d+)\.submission/;
-			if ($part eq ($partid.'_'.$respid)) {
-			    my ($ressub,$subval) = split(/:/,$_,2);
-# Similarity check
-                            my $similar='';
-                            my ($oname,$odom,$ocrsid,$oessay,$osim)=&most_similar($uname,$udom,$subval);
-                            if ($osim) {
-				$osim=int($osim*100.0);
-				$similar='<hr /><h3><font color="#FF0000">Essay is '.$osim.'% similar to an essay by '.&Apache::loncommon::plainname($oname,$odom).
-                                '</font></h3><blockquote><i>'.
-                                &keywords_highlight($oessay).'</i></blockquote><hr />';
-                            }
-			    $lastsubonly.='<tr><td bgcolor="#ffffe6"><b>Part '.
-				$partid.'</b> <font color="#999999">( ID '.$respid.
-				' )</font>&nbsp; &nbsp;'.
-                                ($record{"resource.$partid.$respid.uploadedurl"}?
-                                '<a href="'.
-                                &Apache::lonnet::tokenwrapper($record{"resource.$partid.$respid.uploadedurl"}).
-   '"><img src="/adm/lonIcons/unknown.gif" border=0"> File uploaded by student</a> <font color="red" size="1">Like all files provided by users, this file may contain virusses</font><br />':'').
-                                '<b>Answer: </b><blockquote>'.
-				&keywords_highlight($subval).'</blockquote><br />&nbsp;'.$similar.'</td></tr>'."\n"
-				if ($ENV{'form.lastSub'} eq 'lastonly' || 
-				    ($ENV{'form.lastSub'} eq 'hdgrade' && 
-				     $$handgrade{$part} =~ /:yes$/));
+		    my ($responsetype,$foo) = split(/:/,$$handgrade{$part});
+		    my ($partid,$respid) = split(/_/,$part);
+		    if (!exists($record{'resource.'.$partid.'.'.$respid.'.submission'})) {
+			$lastsubonly.='<tr><td bgcolor="#ffffe6"><b>Part '.
+			    $partid.'</b> <font color="#999999">( ID '.$respid.
+			    ' )</font>&nbsp; &nbsp;'.
+			    '<font color="red">Nothing submitted - no attempts</font><br /><br />';
+ 		    } else {
+			foreach (@$string) {
+			    my ($partid,$respid) = /^resource\.(\w+)\.(\w+)\.submission/;
+			    if ($part eq ($partid.'_'.$respid)) {
+				my ($ressub,$subval) = split(/:/,$_,2);
+                            # Similarity check
+				my $similar='';
+				my ($oname,$odom,$ocrsid,$oessay,$osim)=&most_similar($uname,$udom,$subval);
+				if ($osim) {
+				    $osim=int($osim*100.0);
+				    $similar='<hr /><h3><font color="#FF0000">Essay is '.$osim.
+					'% similar to an essay by '.&Apache::loncommon::plainname($oname,$odom).
+					'</font></h3><blockquote><i>'.
+					&keywords_highlight($oessay).'</i></blockquote><hr />';
+				}
+				$lastsubonly.='<tr><td bgcolor="#ffffe6"><b>Part '.
+				    $partid.'</b> <font color="#999999">( ID '.$respid.
+				    ' )</font>&nbsp; &nbsp;'.
+				    ($record{"resource.$partid.$respid.uploadedurl"}?
+				     '<a href="'.
+				     &Apache::lonnet::tokenwrapper($record{"resource.$partid.$respid.uploadedurl"}).
+				     '"><img src="/adm/lonIcons/unknown.gif" border=0"> File uploaded by student</a> '.
+				     '<font color="red" size="1">Like all files provided by users, '.
+				     'this file may contain virusses</font><br />':'').
+				     '<b>Submitted Answer: </b>'.
+				     &cleanRecord($subval,$responsetype,$symb).
+				      '<br /><br />'.$similar."\n"
+				     if ($ENV{'form.lastSub'} eq 'lastonly' || 
+					 ($ENV{'form.lastSub'} eq 'hdgrade' && 
+					  $$handgrade{$part} =~ /:yes$/));
+			    }
 			}
 		    }
 		}
 	    }
-	    $lastsubonly.='</td></tr>'."\n";
+	    $lastsubonly.='</td></tr><tr bgcolor="#ffffff"><td>'."\n";
 	    $request->print($lastsubonly);
 	}
-    } else {
+    } elsif ($ENV{'form.lastSub'} eq 'datesub') {
+	my (undef,$responseType,undef,$parts) = &showResourceInfo($url);
+	$request->print(&displaySubByDates(\$symb,\%record,$parts,$responseType,$checkIcon));
+    } 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 '') {
-	$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
-    $result.='<tr><td bgcolor="#ffffff">'."\n".
-	'&nbsp;<a href="javascript:msgCenter(document.SCORE,'.$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="'.
@@ -1336,28 +1566,22 @@ 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);
@@ -1367,15 +1591,15 @@ 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)) {
@@ -1387,7 +1611,7 @@ 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;
 }
 
@@ -1399,13 +1623,8 @@ 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;
 }
 
@@ -1417,7 +1636,6 @@ 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) {
@@ -1427,6 +1645,11 @@ sub processHandGrade {
 		$ctr++;
 		next;
 	    }
+	    if ($errorflag eq 'not_allowed') {
+		$request->print("<font color=\"red\">Not allowed to modify grades for $uname:$udom</font>");
+		$ctr++;
+		next;
+	    }
 	    my $includemsg = $ENV{'form.includemsg'.$ctr};
 	    my ($subject,$message,$msgstatus) = ('','','');
 	    if ($includemsg =~ /savemsg|newmsg\Q$ctr\E/) {
@@ -1446,12 +1669,17 @@ sub processHandGrade {
 	    if ($ENV{'form.collaborator'.$ctr}) {
 		my (@collaborators) = split(/:/,$ENV{'form.collaborator'.$ctr});
 		foreach (@collaborators) {
-		    &saveHandGrade($request,$url,$symb,$_,$udom,$ctr,
-				   $ENV{'form.unamedom'.$ctr});
-		    if ($message ne '') {
-			$msgstatus = &Apache::lonmsg::user_normal_msg ($_,$udom,
-								       $ENV{'form.msgsub'},
-								       $message);
+		    my ($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);
+			}
 		    }
 		}
 	    }
@@ -1459,48 +1687,49 @@ 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) {
@@ -1519,10 +1748,20 @@ 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++;
@@ -1542,21 +1781,19 @@ sub processHandGrade {
 	}
     }
     $ctr = 0;
-    my ($partlist,$handgrade) = &response_type($ENV{'form.url'});
     @parsedlist = reverse @parsedlist if ($button eq 'Previous');
     foreach my $student (@parsedlist) {
 	my ($uname,$udom) = split(/:/,$student);
 	if ($ENV{'form.submitonly'} eq 'yes') {
-	    my (%status) = &student_gradeStatus($ENV{'form.url'},$symb,$udom,$uname,$partlist) ;
+	    my %record = &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);
 	    my $statusflg = '';
-	    foreach (keys(%status)) {
-		$statusflg = 1 if ($status{$_} ne 'nothing');
-		my ($foo,$partid,$foo1) = split(/\./);
-		$statusflg = '' if ($status{'resource.'.$partid.'.submitted_by'} ne '');
+	    foreach (split(/:/,$ENV{'form.gradePartRespid'})){
+		$statusflg = 1 if (exists ($record{'resource.'.$_.'.submission'}));
 	    }
 	    next if ($statusflg eq '');
 	}
 	push @nextlist,$student if ($ctr < $ntstu);
+	last if ($ctr == $ntstu);
 	$ctr++;
     }
 
@@ -1584,18 +1821,30 @@ sub processHandGrade {
 #---- Save the score and award for each student, if changed
 sub saveHandGrade {
     my ($request,$url,$symb,$stuname,$domain,$newflg,$submitter) = @_;
+    my $usec = &Apache::lonnet::getsection($domain,$stuname,
+					   $ENV{'request.course.id'});
+    if (!&canmodify($usec)) { return('not_allowed'); }
     my %record     = &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$domain,$stuname);
     my %newrecord  = ();
     my ($pts,$wgt) = ('','');
     foreach (split(/:/,$ENV{'form.partlist'.$newflg})) {
-	if ($ENV{'form.GD_SEL'.$newflg.'_'.$_} eq 'excused') {
+	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.'_'.$_});
@@ -1603,6 +1852,7 @@ 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';
@@ -1615,7 +1865,7 @@ sub saveHandGrade {
 	    }
 	    $newrecord{'resource.'.$_.'.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'}";
 	}
     }
 
@@ -1637,12 +1887,12 @@ 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");
-	    if (isNaN(point) || point < 0) {
-		alert("A number equal or greater than 0 is expected. Entered value = "+point);
+	    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;
 		for (var i=0; i<radioButton.length; i++) {
 		    if (radioButton[i].checked) {
@@ -1655,8 +1905,8 @@ sub viewgrades_js {
 		}
 		return;
 	    }
-	    if (point > weight) {
-		var resp = confirm("You entered a value ("+point+
+	    if (parseFloat(point) > parseFloat(weight)) {
+		var resp = confirm("You entered a value ("+parseFloat(point)+
 				   ") greater than the weight for the part. Accept?");
 		if (resp == false) {
 		    textbox.value = "";
@@ -1665,21 +1915,19 @@ sub viewgrades_js {
 	    }
 	    for (var i=0; i<radioButton.length; i++) {
 		radioButton[i].checked=false;
-		if (point == i) {
+		if (parseFloat(point) == i) {
 		    radioButton[i].checked=true;
 		}
 	    }
 
 	} 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) {
@@ -1687,15 +1935,14 @@ 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;
 
@@ -1703,30 +1950,29 @@ 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;
 		}
 	    }
@@ -1734,18 +1980,18 @@ 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) || point < 0) {
-	    alert("A number equal or greater than 0 is expected. Entered value = "+point);
+	if (isNaN(point) || parseFloat(point) < 0) {
+	    alert("A number equal or greater than 0 is expected. Entered value = "+parseFloat(point));
 	    textbox.value = "";
 	    return;
 	}
-	if (point > weight) {
-	    var resp = confirm("You entered a value ("+point+
+	if (parseFloat(point) > parseFloat(weight)) {
+	    var resp = confirm("You entered a value ("+parseFloat(point)+
 			       ") greater than the weight of the part. Accept?");
 	    if (resp == false) {
 		textbox.value = "";
@@ -1756,19 +2002,21 @@ 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;
 
@@ -1777,16 +2025,13 @@ 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 {
@@ -1808,7 +2053,7 @@ 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,$symb);
@@ -1820,21 +2065,23 @@ sub viewgrades {
 	'<input type="hidden" name="command" value="editgrades" />'."\n".
 	'<input type="hidden" name="section" value="'.$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;
     $result.='<table border="0">';
@@ -1870,32 +2117,25 @@ sub viewgrades {
 	    'onChange="javascript:writeRadText(\''.$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> &nbsp; &nbsp;';
-    $result.='<input type="button" value="Submit Changes" '.
-	'onClick="javascript:submit();" TARGET=_self />'."\n";
+	'onClick="javascript:resetEntry('.$ctsparts.');" TARGET=_self>';
 
     #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;
     $result.= '<table border=0><tr><td bgcolor="#777777">'."\n".
-	'<table border=0><tr bgcolor="#deffff">'.
-	'<td><b>Fullname</b></td><td><b>Username</b></td><td><b>Domain</b></td>'."\n";
+	'<table border=0><tr bgcolor="#deffff"><td>&nbsp;<b>No.</b>&nbsp;</td>'.
+	'<td>'.&nameUserString('header')."</td>\n";
     my (@parts) = sort(&getpartlist($url));
     foreach my $part (@parts) {
 	my $display=&Apache::lonnet::metadata($url,$part.'.display');
+	$display =~ s|^Number of Attempts|Tries<br />|; # makes the column narrower
 	if  (!$display) { $display = &Apache::lonnet::metadata($url,$part.'.name'); }
 	if ($display =~ /^Partial Credit Factor/) {
 	    my ($partid) = &split_part_type($part);
@@ -1916,28 +2156,33 @@ 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);
+	$result='<font color="red">There are no students in section "'.$ENV{'form.section'}.
+	    '" with enrollment status "'.$ENV{'form.Status'}.'" to modify or grade.</font>';
+    }
     $result.=&show_grading_menu_form($symb,$url);
     return $result;
 }
 
 #--- 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>'.$fullname.'</a>'.
-	'</td><td>'.$uname.'</td><td align="middle">'.$udom.'</td>'."\n";
+	'\')"; TARGET=_self>'.$fullname.'</a> '.
+	'<font color="#999999">('.$uname.($ENV{'user.domain'} eq $udom ? '' : ':'.$udom).')</font></td>'."\n";
     foreach my $apart (@$parts) {
 	my ($part,$type) = &split_part_type($apart);
 	my $score=$record{"resource.$part.$type"};
@@ -1954,14 +2199,13 @@ 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";
+	    $result.= (($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.'" />'.
@@ -1983,11 +2227,13 @@ 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',
@@ -2021,8 +2267,9 @@ 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;
 	}
     }
@@ -2035,18 +2282,23 @@ sub editgrades {
     $result .= '</tr><tr bgcolor="#deffff">';
     $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};
 	my $usercolon = $user;
 	$usercolon =~s/_/:/;
 	my ($uname,$udom)=split(/_/,$user);
 	my %newrecord;
 	my $updateflag = 0;
-
-	$result .= '<tr bgcolor="#ffffde"><td>'.$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)*4+2;
+	    $noupdate.=$line."<td colspan=\"$numcols\"><font color=\"red\">Not allowed to modify student</font></td></tr>";
+	    next;
+	}
 	foreach (@partid) {
 	    my $old_aw    = $ENV{'form.GD_'.$user.'_'.$_.'_awarded_s'};
 	    my $old_part_pcr = $old_aw/($weight{$_} ne '0' ? $weight{$_}:1);
@@ -2064,9 +2316,20 @@ sub editgrades {
 	    } elsif ($partial == 0) {
 		$score = 'incorrect_by_override';
 	    }
-	    $score = 'excused' if (($ENV{'form.GD_'.$user.'_'.$_.'_solved'} eq 'excused') &&
-				   ($score ne 'excused'));
-	    $result .= '<td align="center">'.$old_aw.'&nbsp;</td>'.
+	    my $dropMenu = $ENV{'form.GD_'.$user.'_'.$_.'_solved'};
+	    $score = 'excused' if (($dropMenu eq 'excused') && ($score ne 'excused'));
+
+	    if ($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;
+	    }
+
+	    $line .= '<td align="center">'.$old_aw.'&nbsp;</td>'.
 		'<td align="center">'.$awarded.
 		($score eq 'excused' ? $score : '').'&nbsp;</td>';
 
@@ -2086,23 +2349,33 @@ 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;
 		}
-		$result .= '<td align="center">'.$old_aw.'&nbsp;</td>'.
+		$line .= '<td align="center">'.$old_aw.'&nbsp;</td>'.
 		    '<td align="center">'.$awarded.'&nbsp;</td>';
 	    }
 	}
+	$line.='</tr>'."\n";
 	if ($updateflag) {
 	    $count++;
 	    &Apache::lonnet::cstore(\%newrecord,$symb,$ENV{'request.course.id'},
 				    $udom,$uname);
+	    $result.='<tr bgcolor="#ffffde"><td align="right">&nbsp;'.$updateCtr.'&nbsp;</td>'.$line;
+	    $updateCtr++;
+	} else {
+	    $noupdate.='<tr bgcolor="#ffffde"><td align="right">&nbsp;'.$noupdateCtr.'&nbsp;</td>'.$line;
+	    $noupdateCtr++;
 	}
-	$result .= '</tr>'."\n";
+    }
+    if ($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;
@@ -2208,19 +2481,8 @@ 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>
@@ -2248,7 +2510,7 @@ to this page if the data selected is ins
 $javascript
 </script>
 ENDPICK
-return '';
+    return '';
 
 }
 
@@ -2294,14 +2556,16 @@ 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();
     $result.=<<ENDUPFORM;
-<form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload" target="LONcatInfo">
+<form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
 <input type="hidden" name="symb" value="$symb" />
 <input type="hidden" name="url" value="$url" />
 <input type="hidden" name="command" value="csvuploadmap" />
@@ -2315,7 +2579,6 @@ ENDUPFORM
     $result.='</td></tr></table>'."\n";
     $result.='</td></tr></table><br /><br />'."\n";
     $result.=&show_grading_menu_form($symb,$url);
-
     return $result;
 }
 
@@ -2379,7 +2642,8 @@ sub csvuploadassign {
     }
     $request->print('<h3>Assigning Grades</h3>');
     my $courseid=$ENV{'request.course.id'};
-    my ($classlist) = &getclasslist('all','1');
+    my ($classlist) = &getclasslist('all',0);
+    my @notallowed;
     my @skipped;
     my $countdone=0;
     foreach my $grade (@gradedata) {
@@ -2390,6 +2654,11 @@ sub csvuploadassign {
 	    push(@skipped,"$username:$domain");
 	    next;
 	}
+	my $usec=$classlist->{"$username:$domain"}[5];
+	if (!&canmodify($usec)) {
+	    push(@notallowed,"$username:$domain");
+	    next;
+	}
 	my %grades;
 	foreach my $dest (keys(%fields)) {
 	    if ($dest eq 'username' || $dest eq 'domain') { next; }
@@ -2408,10 +2677,14 @@ sub csvuploadassign {
     }
     $request->print("<br />Stored $countdone students\n");
     if (@skipped) {
-	$request->print('<br /><font size="+1"><b>Skipped Students</b></font><br />');
-	foreach my $student (@skipped) { $request->print("<br />$student"); }
+	$request->print('<p<font size="+1"><b>Skipped Students</b></font></p>');
+	foreach my $student (@skipped) { $request->print("$student<br />\n"); }
     }
-    $request->print(&view_edit_entire_class_form($symb,$url));
+    if (@notallowed) {
+	$request->print('<p><font size="+1" color="red"><b>Students Not Allowed to Modify</b></font></p>');
+	foreach my $student (@notallowed) { $request->print("$student<br />\n"); }
+    }
+    $request->print("<br />\n");
     $request->print(&show_grading_menu_form($symb,$url));
     return '';
 }
@@ -2419,7 +2692,7 @@ 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 {
@@ -2433,41 +2706,15 @@ 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"};
@@ -2499,49 +2746,49 @@ LISTJAVASCRIPT
     $result.='<input type="hidden" name="page" />'."\n".
 	'<input type="hidden" name="title" />'."\n";
 
-    $result.='&nbsp;<b>View Problems: </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 /> 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="'.$ENV{'form.Status'}.'" />'."\n".
 	'<input type="hidden" name="command" value="displayPage" />'."\n".
 	'<input type="hidden" name="url"     value="'.$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);
@@ -2552,54 +2799,22 @@ LISTJAVASCRIPT
 sub getSymbMap {
     my ($request) = @_;
     my $navmap = Apache::lonnavmaps::navmap-> new($ENV{'request.course.fn'}.'.db',
-						  $ENV{'request.course.fn'}.'_parms.db',1, 1);
-
-    my $res = $navmap->firstResource(); # temp resource to access constants
-    $navmap->init();
-
-    # End navmap using boilerplate
-
-    my $iterator = $navmap->getIterator(undef, undef, undef, 1);
-    my $depth = 1;
-    $iterator->next(); # ignore first BEGIN_MAP
-    my $curRes = $iterator->next();
+						  $ENV{'request.course.fn'}.'_parms.db');
+#    $navmap->init();
 
     my %symbx = ();
     my @titles = ();
-    my $minder=0;
-    while ($depth > 0) {
-        if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
-        if ($curRes == $iterator->END_MAP()) { $depth--; }
+    my $minder = 0;
 
-        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"
-	    my $ctr=0;
-	    while ($mapdepth > 0 && $ctr < 100) {
-		if($mapcurRes == $mapiterator->BEGIN_MAP) { $mapdepth++; }
-		if($mapcurRes == $mapiterator->END_MAP) { $mapdepth++; }
-
-		if (ref($mapcurRes) && $mapcurRes->is_problem() && !$mapcurRes->randomout) {
-		    $countProblems++;
-		}
-		$ctr++;
-	    }
-	    if ($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();
+    # 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();
@@ -2616,13 +2831,17 @@ sub displayPage {
     my $cnum      = $ENV{"course.$ENV{'request.course.id'}.num"};
     my $getsec    = $ENV{'form.section'} eq '' ? 'all' : $ENV{'form.section'};
     my $pageTitle = $ENV{'form.page'};
-    my (undef,undef,$fullname) = &getclasslist($getsec,'1');
+    my ($classlist,undef,$fullname) = &getclasslist($getsec,'1');
     my ($uname,$udom) = split(/:/,$ENV{'form.student'});
-
+    my $usec=$classlist->{$ENV{'form.student'}}[5];
+    if (!&canview($usec)) {
+	$request->print('<font color="red">Unable to view requested student.('.$ENV{'form.student'}.')</font>');
+	$request->print(&show_grading_menu_form($symb,$url));
+	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);
 
@@ -2636,31 +2855,33 @@ 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 ($depth,$ctr,$question) = (1,0,1);
+    my ($depth,$question) = (1,1);
     $iterator->next(); # skip the first BEGIN_MAP
     my $curRes = $iterator->next(); # for "current resource"
-    while ($depth > 0 && $ctr < 100) { # ctr, just in case it never gets out of loop
+    while ($depth > 0) {
         if($curRes == $iterator->BEGIN_MAP) { $depth++; }
-        if($curRes == $iterator->END_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 = $curRes->symb();
@@ -2670,16 +2891,14 @@ sub displayPage {
 	    if ($ENV{'form.vProb'} eq 'yes') {
 		$studentTable.=&show_problem($request,$symbx,$uname,$udom,1);
 	    } else {
-		my $companswer = &Apache::loncommon::get_student_answers(
-									 $symbx,$uname,$udom,$ENV{'request.course.id'});
+		my $companswer = &Apache::loncommon::get_student_answers($symbx,$uname,$udom,$ENV{'request.course.id'});
 		$companswer =~ s|<form(.*?)>||g;
 		$companswer =~ s|</form>||g;
-
 #		while ($companswer =~ /(<a href\=\"javascript:newWindow.*?Script Vars<\/a>)/s) { #<a href="javascript:newWindow</a>
-#		    $request->print('match='.$1.'<br>');
-#		    $companswer =~ s/$1/ /s;
+#		    $companswer =~ s/$1/ /ms;
+#		    $request->print('match='.$1."<br>\n");
 #		}
-#		$companswer =~ s/<table border=\"1\">/<table border=\"0\">/g;
+#		$companswer =~ s|<table border=\"1\">|<table border=\"0\">|g;
 		$studentTable.='&nbsp;<b>'.$title.'</b>&nbsp;<br>&nbsp;<b>Correct answer:</b><br>'.$companswer;
 	    }
 
@@ -2689,40 +2908,11 @@ sub displayPage {
 		if ($record{'version'} eq '') {
 		    $studentTable.='<br />&nbsp;<font color="red">No recorded submission for this problem</font><br />';
 		} else {
-		    $studentTable.='<table border="0" width="100%"><tr><td bgcolor="#777777">'.
-			'<table border="0" width="100%"><tr bgcolor="#e6ffff">'.
-			'<td><b>Date/Time</b></td>'.
-			'<td><b>Submission</b></td>'.
-			'<td><b>Status&nbsp;</b></td></tr>';
-		    my ($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.$partid.solved"} eq '');
-#			    next if ($record{"$version:resource.$partid.award"} eq 'APPROX_ANS' && 
-#				     $record{"$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; '.
-				$record{$version.':'.$matchKey[0]}.'<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.')' : '';
-			}
-			$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>';
+		    my %responseType = ();
+		    foreach my $partid (@{$parts}) {
+			$responseType{$partid} = $curRes->responseType($partid);
 		    }
-		    $studentTable.='</table></td></tr></table>';
+		    $studentTable.= &displaySubByDates(\$symbx,\%record,$parts,\%responseType,$checkIcon);
 		}
 	    } elsif ($ENV{'form.lastSub'} eq 'all') {
 		my $last = ($ENV{'form.lastSub'} eq 'last' ? 'last' : '');
@@ -2731,21 +2921,23 @@ sub displayPage {
 									'','.submission');
  
 	    }
-
-	    foreach my $partid (@{$parts}) {
-		$studentTable.=&gradeBox($request,$symbx,$uname,$udom,$question,$partid,\%record);
-		$studentTable.='<input type="hidden" name="q_'.$question.'" value="'.$partid.'" />'."\n";
-		$question++;
+	    if (&canmodify($usec)) {
+		foreach my $partid (@{$parts}) {
+		    $studentTable.=&gradeBox($request,$symbx,$uname,$udom,$question,$partid,\%record);
+		    $studentTable.='<input type="hidden" name="q_'.$question.'" value="'.$partid.'" />'."\n";
+		    $question++;
+		}
 	    }
 	    $studentTable.='</td></tr>';
 
-       }
+	}
         $curRes = $iterator->next();
-	$ctr++;
     }
 
+    $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);
@@ -2754,6 +2946,47 @@ sub displayPage {
     return '';
 }
 
+sub displaySubByDates {
+    my ($symbx,$record,$parts,$responseType,$checkIcon) = @_;
+    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;
+    $mark{'correct_by_student'} = $checkIcon;
+    return '<br />&nbsp;<font color="red">Nothing submitted - no attempts</font><br />' 
+	if (!exists($$record{'1:timestamp'}));
+    for ($version=1;$version<=$$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},$$symbx).'<br />' : '';
+	    $displaySub[1].=(exists $$record{"$version:resource.$partid.award"}) ?
+		'<b>Part&nbsp;'.$partid.'</b> &nbsp;'.
+		lc($$record{"$version:resource.$partid.award"}).' '.
+		$mark{$$record{"$version:resource.$partid.solved"}}.'<br />' : '';
+	    $displaySub[2].=(exists $$record{"$version:resource.$partid.regrader"}) ?
+		$$record{"$version:resource.$partid.regrader"}.' (<b>Part:</b> '.$partid.')' : '';
+	}
+	$displaySub[2].=(exists $$record{"$version:resource.regrader"}) ?
+	    $$record{"$version:resource.regrader"} : ''; # needed because old essay regrader has not parts info
+	$studentTable.='<td>'.$displaySub[0].'&nbsp;</td><td>'.$displaySub[1].
+	    ($displaySub[2] eq '' ? '' : 'Manually graded by '.$displaySub[2]).'&nbsp;</td></tr>';
+    }
+    $studentTable.='</table></td></tr></table>';
+    return $studentTable;
+}
+
 sub updateGradeByPage {
     my ($request) = shift;
 
@@ -2761,12 +2994,17 @@ sub updateGradeByPage {
     my $cnum      = $ENV{"course.$ENV{'request.course.id'}.num"};
     my $getsec    = $ENV{'form.section'} eq '' ? 'all' : $ENV{'form.section'};
     my $pageTitle = $ENV{'form.page'};
-    my (undef,undef,$fullname) = &getclasslist($getsec,'1');
+    my ($classlist,undef,$fullname) = &getclasslist($getsec,'1');
     my ($uname,$udom) = split(/:/,$ENV{'form.student'});
-
+    my $usec=$classlist->{$ENV{'form.student'}}[5];
+    if (!&canmodify($usec)) {
+	$request->print('<font color="red">Unable to modify requested student.('.$ENV{'form.student'}.'</font>');
+	$request->print(&show_grading_menu_form($ENV{'form.symb'},$ENV{'form.url'}));
+	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);
 
@@ -2780,17 +3018,17 @@ 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>';
 
     $iterator->next(); # skip the first BEGIN_MAP
     my $curRes = $iterator->next(); # for "current resource"
-    my ($depth,$ctr,$question,$changeflag)= (1,0,1,0);
-    while ($depth > 0 && $ctr < 100) { # ctr, just in case it never gets out of loop
+    my ($depth,$question,$changeflag)= (1,1,0);
+    while ($depth > 0) {
         if($curRes == $iterator->BEGIN_MAP) { $depth++; }
-        if($curRes == $iterator->END_MAP) { $depth++; }
+        if($curRes == $iterator->END_MAP) { $depth--; }
 
         if (ref($curRes) && $curRes->is_problem() && !$curRes->randomout) {
 	    my $parts = $curRes->parts();
@@ -2812,31 +3050,39 @@ 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);
 
 		$changeflag++;
 	    }
@@ -2844,15 +3090,17 @@ sub updateGradeByPage {
 		&Apache::lonnet::cstore(\%newrecord,$symbx,$ENV{'request.course.id'},
 					$udom,$uname);
 	    }
+
 	    $studentTable.='<td valign="top">'.$displayPts[0].'</td>'.
 		'<td valign="top">'.$displayPts[1].'</td>'.
 		'</tr>';
 
 	}
         $curRes = $iterator->next();
-	$ctr++;
     }
 
+    $navmap->untieHashes();
+
     $studentTable.='</td></tr></table></td></tr></table>';
     $studentTable.=&show_grading_menu_form($ENV{'form.symb'},$ENV{'form.url'});
     my $grademsg=($changeflag == 0 ? 'No score was changed or updated.' :
@@ -2898,6 +3146,8 @@ sub getSequenceDropDown {
 }
 
 sub scantron_uploads {
+    #FIXME need to support scantron files put in another location,
+    # maybe the course directory? a scantron dir in the course directory?
     if (!-e $Apache::lonnet::perlvar{'lonScansDir'}) { return ''};
     my $result=	'<select name="scantron_selectfile">';
     opendir(DIR,$Apache::lonnet::perlvar{'lonScansDir'});
@@ -2934,9 +3184,11 @@ sub scantron_selectphase {
     my $file_selector=&scantron_uploads();
     my $format_selector=&scantron_scantab();
     my $result;
+    #FIXME allow instructor to be able to download the scantron file
+    # and to upload it,
     $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>
@@ -2962,11 +3214,18 @@ sub scantron_selectphase {
               Format of data file: $format_selector
 	    </td>
           </tr>
+          <tr bgcolor="#ffffe6">
+            <td>
+<!-- FIXME this is lazy, a single parse of the set should let me know what this is -->
+              Last line to expect an answer on: 
+                <input type="text" name="scantron_maxbubble" />
+	    </td>
+          </tr>
         </table>
       </td>
     </tr>
   </table>
-  <input type="submit" value="Submit" />
+  <input type="submit" value="Validate Scantron Records" />
 </form>
 $grading_menu_button
 SCANTRONFORM
@@ -2978,6 +3237,7 @@ sub get_scantron_config {
     my ($which) = @_;
     my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
     my %config;
+    #FIXME probably should move to XML it has already gotten a bit much now
     foreach my $line (<$fh>) {
 	my ($name,$descrip)=split(/:/,$line);
 	if ($name ne $which ) { next; }
@@ -2994,6 +3254,12 @@ sub get_scantron_config {
 	$config{'Qlength'}=$config[8];
 	$config{'Qoff'}=$config[9];
 	$config{'Qon'}=$config[10];
+	$config{'PaperID'}=$config[11];
+	$config{'PaperIDlength'}=$config[12];
+	$config{'FirstName'}=$config[13];
+	$config{'FirstNamelength'}=$config[14];
+	$config{'LastName'}=$config[15];
+	$config{'LastNamelength'}=$config[16];
 	last;
     }
     return %config;
@@ -3009,8 +3275,50 @@ sub username_to_idmap {
     return %idmap;
 }
 
+sub scantron_fixup_scanline {
+    my ($scantron_config,$scan_data,$line,$field,$newvalue,$arg) = @_;
+    if ($field eq 'ID') {
+	if ($newvalue > $$scantron_config{'IDlength'}) {
+	    return ($line,1,'New value to large');
+	}
+	if ($newvalue < $$scantron_config{'IDlength'}) {
+	    $newvalue=sprintf('%-'.$$scantron_config{'IDlength'}.'s',
+			      $newvalue);
+	}
+	substr($line,$$scantron_config{'IDstart'}-1,
+	       $$scantron_config{'IDlength'})=$newvalue;
+    } elsif ($field eq 'answer') {
+	my $length=$scantron_config->{'Qlength'};
+	my $off=$scantron_config->{'Qoff'};
+	my $on=$scantron_config->{'Qon'};
+	my $answer=${off}x$length;
+	if ($arg ne 'none') {
+	    substr($answer,$arg,1)=$on;
+	    &scan_data($scan_data,"no_bubble.$newvalue",undef,'1');
+	} else {
+	    &scan_data($scan_data,"no_bubble.$newvalue",'1');
+	}
+	my $where=$length*($newvalue-1)+$scantron_config->{'Qstart'};
+	Apache->request->print("where $where arg $arg ");
+	Apache->request->print('b:<pre>'.$line.'</pre>');
+	substr($line,$where-1,$length)=$answer;
+	Apache->request->print('a:<pre>'.$line.'</pre>');
+    }
+    return $line;
+}
+
+sub scan_data {
+    my ($scan_data,$key,$value,$delete);
+    my $filename=$ENV{'form.scantron_selectfile'};
+    if (defined($value)) {
+	$scan_data->{$filename.'_'.$key} = $value;
+    }
+    if ($delete) { delete($scan_data->{$filename.'_'.$key}); }
+    return $scan_data->{$filename.'_'.$key};
+}
+
 sub scantron_parse_scanline {
-    my ($line,$scantron_config)=@_;
+    my ($line,$scantron_config,$scan_data)=@_;
     my %record;
     my $questions=substr($line,$$scantron_config{'Qstart'}-1);
     my $data=substr($line,0,$$scantron_config{'Qstart'}-1);
@@ -3024,6 +3332,15 @@ sub scantron_parse_scanline {
     }
     $record{'scantron.ID'}=substr($data,$$scantron_config{'IDstart'}-1,
 				  $$scantron_config{'IDlength'});
+    $record{'scantron.PaperID'}=
+	substr($data,$$scantron_config{'PaperID'}-1,
+	       $$scantron_config{'PaperIDlength'});
+    $record{'scantron.FirstName'}=
+	substr($data,$$scantron_config{'FirstName'}-1,
+	       $$scantron_config{'FirstNamelength'});
+    $record{'scantron.LastName'}=
+	substr($data,$$scantron_config{'LastName'}-1,
+	       $$scantron_config{'LastNamelength'});
     my @alphabet=('A'..'Z');
     my $questnum=0;
     while ($questions) {
@@ -3031,31 +3348,48 @@ sub scantron_parse_scanline {
 	my $currentquest=substr($questions,0,$$scantron_config{'Qlength'});
 	substr($questions,0,$$scantron_config{'Qlength'})='';
 	if (length($currentquest) < $$scantron_config{'Qlength'}) { next; }
-	my (@array)=split(/$$scantron_config{'Qon'}/,$currentquest);
-	if (scalar(@array) gt 2) {
-	    #FIXME do something intelligent with double bubbles
-	    Apache->request->print("<br ><b>Wha!!!</b> <pre>".scalar(@array).
-				   '-'.$currentquest.'-'.$questnum.'</pre><br />');
-	}
+	my @array=split($$scantron_config{'Qon'},$currentquest,-1);
 	if (length($array[0]) eq $$scantron_config{'Qlength'}) {
 	    $record{"scantron.$questnum.answer"}='';
+	    if (!&scan_data($scan_data,"no_bubble.$questnum")) {
+		push(@{$record{"scantron.missingerror"}},$questnum);
+	    }
 	} else {
 	    $record{"scantron.$questnum.answer"}=$alphabet[length($array[0])];
 	}
+	if (scalar(@array) gt 2) {
+	    push(@{$record{'scantron.doubleerror'}},$questnum);
+	    my @ans=@array;
+	    my $i=length($ans[0]);shift(@ans);
+	    while (@ans) {
+		$i+=length($ans[0])+1;
+		$record{"scantron.$questnum.answer"}.=$alphabet[$i];
+		shift(@ans);
+	    }
+	}
     }
     $record{'scantron.maxquest'}=$questnum;
     return \%record;
 }
 
 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;
 }
@@ -3068,6 +3402,363 @@ 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_process_corrections {
+    my ($r) = @_;
+    my %scantron_config=&get_scantron_config($ENV{'form.scantron_format'});
+    my ($scanlines,$scan_data)=&scantron_getfile();
+    my $classlist=&Apache::loncoursedata::get_classlist();
+    my $which=$ENV{'form.scantron_line'};
+    my $line=&scantron_get_line($scanlines,$which);
+    my ($skip,$err,$errmsg);
+    if ($ENV{'form.scantron_skip_record'}) {
+	$skip=1;
+    } elsif ($ENV{'form.scantron_corrections'} =~ /^(duplicate|incorrect)ID$/) {
+	my $newstudent=$ENV{'form.scantron_username'}.':'.
+	    $ENV{'form.scantron_domain'};
+	my $newid=$classlist->{$newstudent}->[&Apache::loncoursedata::CL_ID];
+	($line,$err,$errmsg)=
+	    &scantron_fixup_scanline(\%scantron_config,$scan_data,$line,'ID',
+				     $newid);
+    } elsif ($ENV{'form.scantron_corrections'} =~ /^(missing|double)bubble$/) {
+	foreach my $question (split(',',$ENV{'form.scantron_questions'})) {
+	    ($line,$err,$errmsg)=
+		&scantron_fixup_scanline(\%scantron_config,$scan_data,$line,
+					 'answer',$question,
+				    $ENV{"form.scantron_correct_Q_$question"});
+	    if ($err) { last; }
+	}
+    }
+    if ($err) {
+	$r->print("Unable to accept last correction, an error occurred :$errmsg:");
+    } else {
+	&scantron_put_line($scanlines,$which,$line,$skip);
+	&scantron_putfile($scanlines,$scan_data);
+    }
+}
+
+
+sub scantron_validate_file {
+    my ($r) = @_;
+    my ($symb,$url)=&get_symb_and_url($r);
+    if (!$symb) {return '';}
+    my $default_form_data=&defaultFormData($symb,$url);
+
+    if ($ENV{'form.scantron_corrections'}) {
+	&scantron_process_corrections($r);
+    }
+    #get the student pick code ready
+    $r->print(&Apache::loncommon::studentbrowser_javascript());
+    my $result= <<SCANTRONFORM;
+<form method="post" enctype="multipart/form-data" action="/adm/grades" name="scantronupload">
+  <input type="hidden" name="command" value="scantron_validate" />
+  <input type="hidden" name="selectpage" value="$ENV{'form.selectpage'}" />
+  <input type="hidden" name="scantron_format" value="$ENV{'form.scantron_format'}" />
+  <input type="hidden" name="scantron_selectfile" value="$ENV{'form.scantron_selectfile'}" />
+  <input type="hidden" name="scantron_maxbubble" value="$ENV{'form.scantron_maxbubble'}" />
+  $default_form_data
+SCANTRONFORM
+    $r->print($result);
+    
+    my @validate_phases=( 'ID',
+			  'CODE',
+			  'doublebubble',
+			  'missingbubbles');
+    if (!$ENV{'form.validatepass'}) {
+	$ENV{'form.valiadatepass'} = 0;
+    }
+    my $currentphase=$ENV{'form.valiadatepass'};
+
+    if ($ENV{'form.scantron_selectfile'}=~m-^/-) {
+	#first pass copy file to classdir
+	
+    }
+    my $stop=0;
+    while (!$stop && $currentphase < scalar(@validate_phases)) {
+	my $which="scantron_validate_".$validate_phases[$currentphase];
+	{
+	    no strict 'refs';
+	    ($stop,$currentphase)=&$which($r,$currentphase);
+	}
+    }
+    $r->print("<input type='hidden' name='validatepass' value='".$currentphase."' />");
+    return '';
+}
+
+sub scantron_getfile {
+    #my $scanlines=Apache::File->new($Apache::lonnet::perlvar{'lonScansDir'}."/$ENV{'form.scantron_selectfile'}");
+    #FIXME really would prefer a scantron directory but tokenwrapper
+    # doesn't allow access to subdirs of userfiles
+    my $cname=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
+    my $cdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
+    my $lines;
+    $lines=&Apache::lonnet::getfile('/uploaded/'.$cdom.'/'.$cname.'/'.
+		       'scantron_orig_'.$ENV{'form.scantron_selectfile'});
+    if ($lines eq '-1') {
+       #FIXME need to actually replicate file to course space
+    }
+    my %scanlines;
+    $scanlines{'orig'}=[split("\n",$lines)];
+    my $temp=$scanlines{'orig'};
+    $scanlines{'count'}=$#$temp;
+
+    $lines=&Apache::lonnet::getfile('/uploaded/'.$cdom.'/'.$cname.'/'.
+		       'scantron_corrected_'.$ENV{'form.scantron_selectfile'});
+    if ($lines eq '-1') {
+	$scanlines{'corrected'}=[];
+    } else {
+	$scanlines{'corrected'}=[split("\n",$lines)];
+    }
+    $lines=&Apache::lonnet::getfile('/uploaded/'.$cdom.'/'.$cname.'/'.
+		       'scantron_skipped_'.$ENV{'form.scantron_selectfile'});
+    if ($lines eq '-1') {
+	$scanlines{'skipped'}=[];
+    } else {
+	$scanlines{'skipped'}=[split("\n",$lines)];
+    }
+    my @tmp=&Apache::lonnet::dump('scantrondata',$cdom,$cname);
+    if ($tmp[0] =~ /^(error:|no_such_host)/) { @tmp=(); }
+    my %scan_data = @tmp;
+    return (\%scanlines,\%scan_data);
+}
+
+sub lonnet_putfile {
+    my ($contents,$filename)=@_;
+    my $docuname=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
+    my $docudom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
+    my $docuhome=$ENV{'course.'.$ENV{'request.course.id'}.'.home'};
+    $ENV{'form.sillywaytopassafilearound'}=$contents;
+    &Apache::lonnet::finishuserfileupload($docuname,$docudom,$docuhome,'sillywaytopassafilearound',$filename);
+
+}
+
+sub scantron_putfile {
+    my ($scanlines,$scan_data) = @_;
+    #FIXME really would prefer a scantron directory but tokenwrapper
+    # doesn't allow access to subdirs of userfiles
+    my $cname=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
+    my $cdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
+    my $prefix='scantron_';
+# no need to update orig, shouldn't change
+#   &lonnet_putfile(join("\n",@{$scanlines->{'orig'}}),$prefix.'orig_'.
+#		    $ENV{'form.scantron_selectfile'});
+    &lonnet_putfile(join("\n",@{$scanlines->{'corrected'}}),
+		    $prefix.'corrected_'.
+		    $ENV{'form.scantron_selectfile'});
+    &lonnet_putfile(join("\n",@{$scanlines->{'skipped'}}),
+		    $prefix.'skipped_'.
+		    $ENV{'form.scantron_selectfile'});
+    &Apache::lonnet::put('scantrondata',$scan_data,$cdom,$cname);
+}
+
+sub scantron_get_line {
+    my ($scanlines,$i)=@_;
+    if ($scanlines->{'skipped'}[$i]) {return undef;}
+    if ($scanlines->{'corrected'}[$i]) {return $scanlines->{'corrected'}[$i];}
+    return $scanlines->{'orig'}[$i]; 
+}
+
+sub scantron_put_line {
+    my ($scanlines,$i,$newline,$skip)=@_;
+    if ($skip) { $scanlines->{'skipped'}[$i]=$newline;return; }
+    $scanlines->{'corrected'}[$i]=$newline;
+}
+
+sub scantron_validate_ID {
+    my ($r,$currentphase) = @_;
+    
+    #get student info
+    my $classlist=&Apache::loncoursedata::get_classlist();
+    my %idmap=&username_to_idmap($classlist);
+
+    #get scantron line setup
+    my %scantron_config=&get_scantron_config($ENV{'form.scantron_format'});
+    my ($scanlines,$scan_data)=&scantron_getfile();
+
+    my %found=('ids'=>{},'usernames'=>{});
+    for (my $i=0;$i<=$scanlines->{'count'};$i++) {
+	my $line=&scantron_get_line($scanlines,$i);
+	if (!$line) { next; }
+	my $scan_record=&scantron_parse_scanline($line,\%scantron_config,$scan_data);
+	my $id=$$scan_record{'scantron.ID'};
+	$r->print("<p>Checking ID ".$$scan_record{'scantron.ID'}.
+		  " on paper ID ".$$scan_record{'scantron.PaperID'}."</p>\n");
+	my $found;
+	foreach my $checkid (keys(%idmap)) {
+	    if (lc($checkid) eq lc($id)) {
+		if ($checkid ne $id) {
+		    $r->print("<p>Using $checkid for encoded $id</p>\n");
+		}
+		$found=$checkid;last;
+	    }
+	}
+	if ($found) {
+	    if ($found{'ids'}{$found}) {
+		#FIXME store away line we prviously saw the ID on
+		&scantron_get_correction($r,$i,$scan_record,\%scantron_config,
+					 $line,'duplicateID',$found);
+		return(1);
+	    } else {
+		$found{'ids'}{$found}++;
+	    }
+	} else {
+	    &scantron_get_correction($r,$i,$scan_record,\%scantron_config,
+				     $line,'incorrectID');
+	    return(1);
+	}
+    }
+
+    return (0,$currentphase+1);
+}
+
+sub scantron_get_correction {
+    my ($r,$i,$scan_record,$scan_config,$line,$error,$arg)=@_;
+
+#FIXME in the case of a duplicated ID the previous line, probaly need
+#to show both the current line and the previous one and allow skipping
+#the previous one or the current one
+
+    $r->print("<p>This scantron record has an error ($error). ");
+    if ( defined($$scan_record{'scantron.PaperID'}) ) {
+	$r->print("The current PaperID is <tt>".
+		  $$scan_record{'scantron.PaperID'}."</tt> \n");
+    } else {
+	$r->print("The current scanline is <pre>".
+		  $line."</pre> \n");
+    }
+    $r->print('<input type="hidden" name="scantron_corrections" value="'.$error.'" />'."\n");
+    $r->print('<input type="hidden" name="scantron_line" value="'.$i.'" />'."\n");
+    if ($error =~ /ID$/) {
+	if ($error eq 'unknownID') {
+	    $r->print("The encoded ID is not in the classlist</p>\n");
+	} elsif ($error eq 'duplicateID') {
+	    $r->print("The encoded ID has also been used by a previous paper $arg</p>\n");
+	}
+	$r->print("<p>Original ID is <tt>".$$scan_record{'scantron.ID'}.
+		  "</tt><br />\n");
+	$r->print("Name on paper is ".$$scan_record{'scantron.LastName'}.",".
+		  $$scan_record{'scantron.FirstName'}."</p>");
+	$r->print("<p>Please correct <br /> \n");
+	$r->print("\n<ul><li> Pick a specific user -- username:<input type='text' name='scantron_username' value='' />");
+	$r->print("\ndomain:".
+		 &Apache::loncommon::select_dom_form(undef,'scantron_domain'));
+	#FIXME it would be nice if this sent back the user ID and
+	#could do partial userID matches
+	$r->print(&Apache::loncommon::selectstudent_link('scantronupload',
+				      'scantron_username','scantron_domain'));
+	$r->print('</li>');
+    } elsif ($error eq 'doublebubble') {
+	$r->print("There have been multiple bubbles scanned for a single question\n");
+	$r->print('<input type="hidden" name="scantron_questions" value="'.
+		  join(',',@{$arg}).'" />');
+	foreach my $question (@{$arg}) {
+	    my $selected=$$scan_record{"scantron.$question.answer"};
+	    $r->print("<p> For question $question, selected bubbles were ".
+		      join(" ",split('',$selected)).
+              " <br />Please pick which one should be used for grading<br />");
+	    &scantron_bubble_selector($r,$scan_config,$question);
+	}
+    } elsif ($error eq 'missingbubble') {
+	$r->print("Some questions have no scanned bubbles\n");
+	$r->print('<input type="hidden" name="scantron_questions" value="'.
+		  join(',',@{$arg}).'" />');
+	foreach my $question (@{$arg}) {
+	    my $selected=$$scan_record{"scantron.$question.answer"};
+	    $r->print("<p>Question $question, Please select a bubble to use ");
+	    &scantron_bubble_selector($r,$scan_config,$question);
+	}
+    } else {
+	$r->print("\n<ul>");
+    }
+    $r->print("<li>Skip this scanline saving it for later  ");
+    $r->print("\n<input type='checkbox' name='scantron_skip_record' /> </li></ul>");
+    &scantron_end_validate_form($r);
+}
+
+sub scantron_bubble_selector {
+    my ($r,$scan_config,$quest)=@_;
+    my $max=$$scan_config{'Qlength'};
+    my @alphabet=('A'..'Z');
+    for (my $i=0;$i<$max;$i++) {
+	$r->print('<input type="radio" name="scantron_correct_Q_'.$quest.
+		  '" value="'.$i.'" />'.$alphabet[$i]);
+    }
+    $r->print('<input type="radio" name="scantron_correct_Q_'.$quest.
+	      '" value="none" /> Nothing');
+    $r->print('<br />');
+}
+
+sub scantron_validate_CODE {
+    my ($r,$currentphase) = @_;
+    #FIXME doesn't do anything yet
+    return (0,$currentphase+1);
+}
+
+sub scantron_validate_doublebubble {
+    my ($r,$currentphase) = @_;
+    #get student info
+    my $classlist=&Apache::loncoursedata::get_classlist();
+    my %idmap=&username_to_idmap($classlist);
+
+    #get scantron line setup
+    my %scantron_config=&get_scantron_config($ENV{'form.scantron_format'});
+    my ($scanlines,$scan_data)=&scantron_getfile();
+    for (my $i=0;$i<=$scanlines->{'count'};$i++) {
+	my $line=&scantron_get_line($scanlines,$i);
+	if (!$line) { next; }
+	my $scan_record=&scantron_parse_scanline($line,\%scantron_config,$scan_data);
+	if (!defined($$scan_record{'scantron.doubleerror'})) { next; }
+	&scantron_get_correction($r,$i,$scan_record,\%scantron_config,$line,
+				 'doublebubble',
+				 $$scan_record{'scantron.doubleerror'});
+    	return (1,$currentphase);
+    }
+    return (0,$currentphase+1);
+}
+
+sub scantron_validate_missingbubbles {
+    my ($r,$currentphase) = @_;
+    #get student info
+    my $classlist=&Apache::loncoursedata::get_classlist();
+    my %idmap=&username_to_idmap($classlist);
+
+    #get scantron line setup
+    my %scantron_config=&get_scantron_config($ENV{'form.scantron_format'});
+    my ($scanlines,$scan_data)=&scantron_getfile();
+    my $max_bubble=$ENV{'form.scantron_maxbubble'};
+    if (!$max_bubble) { $max_bubble=2**31; }
+    for (my $i=0;$i<=$scanlines->{'count'};$i++) {
+	my $line=&scantron_get_line($scanlines,$i);
+	if (!$line) { next; }
+	my $scan_record=&scantron_parse_scanline($line,\%scantron_config,$scan_data);
+	if (!defined($$scan_record{'scantron.missingerror'})) { next; }
+	my @to_correct;
+	foreach my $missing (@{$$scan_record{'scantron.missingerror'}}) {
+	    if ($missing gt $max_bubble) { next; }
+	    push(@to_correct,$missing);
+	}
+	if (@to_correct) {
+	    &scantron_get_correction($r,$i,$scan_record,\%scantron_config,
+				     $line,'missingbubble',\@to_correct);
+	    return (1,$currentphase);
+	}
+
+    }
+    return (0,$currentphase+1);
+}
+
+sub scantron_end_validate_form {
+    my ($r) = @_;
+    $r->print('<input type="submit" name="submit" /></form></body></html>');
+}
+
 sub scantron_process_students {
     my ($r) = @_;
     my (undef,undef,$sequence)=split(/___/,$ENV{'form.selectpage'});
@@ -3076,14 +3767,13 @@ sub scantron_process_students {
     my $default_form_data=&defaultFormData($symb,$url);
 
     my %scantron_config=&get_scantron_config($ENV{'form.scantron_format'});
-    my $scanlines=Apache::File->new($Apache::lonnet::perlvar{'lonScansDir'}."/$ENV{'form.scantron_selectfile'}");
-    my @scanlines=<$scanlines>;
+    my ($scanlines,$scan_data)=&scantron_getfile();
     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 $map=$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" />
@@ -3092,29 +3782,38 @@ SCANTRONFORM
     $r->print($result);
 
     my @delayqueue;
-    my $totalcorrect;
-    my $totalincorrect;
-
-    my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,
-	           'Scantron Status','Scantron Progress',scalar(@scanlines));
-    foreach my $line (@scanlines) {
-	my $studentcorrect;
-	my $studentincorrect;
-
-	chomp($line);
-	my $scan_record=&scantron_parse_scanline($line,\%scantron_config);
+    my %completedstudents;
+    
+    my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Scantron Status',
+				    'Scantron Progress',$scanlines->{'count'});
+    &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
+					  'Processing first student');
+    my $start=&Time::HiRes::time();
+    my $i=0;
+    while ($i<=$scanlines->{'count'}) {
+	$i++;
+	my $line=&scantron_get_line($scanlines,$i);
+	if (!$line) { next; }
+	$r->print('<pre>line is'.$line.'</pre>');
+	my $scan_record=&scantron_parse_scanline($line,\%scantron_config,$scan_data);
 	my ($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 $resource (@resources) {
@@ -3126,31 +3825,31 @@ SCANTRONFORM
 				  'grade_domain'  =>$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
@@ -3158,7 +3857,11 @@ 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 $delay (@delayqueue) {
 	#FIXME
 	#print out each delayed student with interface to select how
@@ -3184,7 +3887,7 @@ SCANTRONFORM
 #--- Show a Grading Menu button - Calls the next routine ---
 sub show_grading_menu_form {
     my ($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".
@@ -3215,12 +3918,19 @@ sub gradingmenu {
 
     $request->print(<<GRADINGMENUJS);
 <script type="text/javascript" language="javascript">
-    function checkChoice(formname) {
-	var cmd = formname.command;
-	formname.saveState.value = "saveCmd="+radioSelection(cmd)+":saveSec="+pullDownSelection(formname.section)+
-	    ":saveSub="+radioSelection(formname.submitonly)+":saveStatus="+pullDownSelection(formname.status);
-	if (cmd[0].checked || cmd[1].checked || cmd[2].checked || cmd[3].checked || cmd[4].checked) formname.submit();
-	if (cmd[5].checked) {
+    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="+cmdsave+":saveSec="+pullDownSelection(formname.section)+
+	    ":saveSub="+radioSelection(formname.submitonly)+":saveStatus="+pullDownSelection(formname.Status);
+	if (val < 5) formname.submit();
+	if (val == 5) {
 	    if (!checkReceiptNo(formname,'notOK')) { return false;}
 	    formname.submit();
 	}
@@ -3237,142 +3947,96 @@ sub gradingmenu {
 	    formname.receipt.focus();
 	    return false;
 	}
-	formname.command[5].checked = true;
 	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(/:/,$$handgrade{$_});
-	$resptype = $responsetype;
-	$hdgrade = $handgrade if ($handgrade eq 'yes');
-	$result.='<tr><td><b>Part </b>'.(split(/_/))[0].'</td>'.
-	    '<td><b>Type: </b>'.$responsetype.'</td>'.
-	    '<td><b>Handgrade: </b>'.$handgrade.'</font></td></tr>';
-    }
-    $result.='</table>'."\n";
-
+    &commonJSfunctions($request);
+    my $result='<h3>&nbsp;<font color="#339933">Manual Grading/View Submission</font></h3>';
+    my ($table,undef,$hdgrade) = &showResourceInfo($url,$probTitle);
+    $result.=$table;
     my (undef,$sections) = &getclasslist('all','0');
     my $savedState = &savedState();
-    my $saveCmd = ($$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".
-	'<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n".
+    $result.='<table width="100%" border=0><tr><td bgcolor=#777777>'."\n".
+	'<table width=100% border=0><tr bgcolor="#e6ffff"><td colspan="2">'."\n".
 	'&nbsp;<b>Select a Grading/Viewing Option</b></td></tr>'."\n".
-	'<tr bgcolor=#ffffe6><td>'."\n";
+	'<tr bgcolor="#ffffe6" valign="top"><td>'."\n";
 
-    $result.='<table width=100% border=0>'.
-	'<tr bgcolor="#ffffe6" valign="top"><td colspan="2">'.
-	'<input type="radio" name="command" value="pickStudentPage" '.
-	($saveCmd eq 'pickStudentPage' ? 'checked' : '').'> '.
-	'Handgrade/View Submission for a student by page/sequence</td></tr>'."\n".
+    $result.='<table width="100%" border=0>';
+    $result.='<tr bgcolor="#ffffe6" valign="top"><td>'."\n".
+	'&nbsp;Select Section: <select name="section">'."\n";
+    if (ref($sections)) {
+	foreach (sort (@$sections)) {$result.='<option value="'.$_.'" '.
+					 ($saveSec eq $_ ? 'selected="on"' : '').'>'.$_.'</option>'."\n";}
+    }
+    $result.= '<option value="all" '.($saveSec eq 'all' ? 'selected="on"' : ''). '>all</select> &nbsp; ';
 
-	'<tr bgcolor="#ffffe6"valign="top"><td colspan="2">'.
-	'<input type="radio" name="command" value="viewgrades" '.
-	($saveCmd eq 'viewgrades' ? 'checked' : '').'> '.
-	'Grade by section or class</td></tr>'."\n".
+    $result.='Student Status:</b>'.&Apache::lonhtmlcommon::StatusOptions($saveStatus,undef,1,undef);
 
-	'<tr bgcolor="#ffffe6"valign="top"><td><input type="radio" name="command" value="submission" '.
-	($saveCmd eq 'submission' ? 'checked' : '').'> '.
-	($hdgrade eq 'yes' ? 'View/Grade essay response of' : 'View').
-	' an individual student </td>'."\n".
-	'<td>-->&nbsp;For students who has: '.
+    if (ref($sections)) {
+	$result.='&nbsp;(Section "no" implies the students were not assigned a section.)<br />' 
+	    if (grep /no/,@$sections);
+    }
+    $result.='</td></tr>';
+
+    $result.='<tr bgcolor="#ffffe6"valign="top"><td>'.
+	'<input type="radio" name="radioChoice" value="submission" '.
+	($saveCmd eq 'submission' ? 'checked' : '').'> '.'<b>Current Resource:</b> For one or more students'.
+	'<br />&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;-->For students with '.
 	'<input type="radio" name="submitonly" value="yes" '.
-	($saveSub eq 'yes' ? 'checked' : '').' /> submitted'.
+	($saveSub eq 'yes' ? 'checked' : '').' /> submissions or '.
 	'<input type="radio" name="submitonly" value="all" '.
-	($saveSub eq 'all' ? 'checked' : '').' /> everybody</td></tr>'."\n".
+	($saveSub eq 'all' ? 'checked' : '').' /> for all</td></tr>'."\n";
+
+    $result.='<tr bgcolor="#ffffe6"valign="top"><td>'.
+	'<input type="radio" name="radioChoice" value="viewgrades" '.
+	($saveCmd eq 'viewgrades' ? 'checked' : '').'> '.
+	'<b>Current Resource:</b> For all students in selected section or course</td></tr>'."\n";
 
-	'<tr bgcolor="#ffffe6"valign="top"><td colspan="2">'.
-	'<input type="radio" name="command" value="csvform" '.
-	($saveCmd eq 'csvform' ? 'checked' : '').'> '.
-	'Upload scores from file</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="Next->" />'.
+	'</td></tr></table>'."\n";
+
+    $result.='</td><td valign="top">';
+
+    $result.='<table width="100%" border=0>';
+    $result.='<tr bgcolor="#ffffe6"><td>'.
+	'<input type="button" onClick="javascript:checkChoice(this.form,\'3\',\'csvform\');" value="Upload" />'.
+	' scores from file </td></tr>'."\n";
 
     $result.='<tr bgcolor="#ffffe6"valign="top"><td colspan="2">'.
-	'<input type="radio" name="command" value="scantron_selectphase" '.
-	($saveCmd eq 'scantron_selectphase' ? 'checked="on"' : '').' /> '.
-        'Grade scantron forms</td></tr>'."\n";
+	'<input type="button" onClick="javascript:checkChoice(this.form,\'4\',\'scantron_selectphase\');'.
+	'" value="Grade" /> scantron forms</td></tr>'."\n";
 
     if ((&Apache::lonnet::allowed('mgr',$ENV{'request.course.id'})) && ($symb)) {
 	$result.='<tr bgcolor="#ffffe6"valign="top"><td>'.
-	    '<input type="radio" name="command" value="verify" onChecked="javascript:this.form.receipt.focus()" '.
-	    ($saveCmd eq 'verify' ? 'checked' : '').'> '.
-	    'Verify a submission receipt issued by this server</td>'.
-	    '<td>-->&nbsp;Receipt no: '.unpack("%32C*",$Apache::lonnet::perlvar{'lonHostID'}).
+	    '<input type="button" onClick="javascript:checkChoice(this.form,\'5\',\'verify\');" value="Verify" />'.
+	    ' submission Receipt no: '.unpack("%32C*",$Apache::lonnet::perlvar{'lonHostID'}).
 	    '-<input type="text" name="receipt" size="4" onChange="javascript:checkReceiptNo(this.form,\'OK\')">'.
 	    '</td></tr>'."\n";
     } 
 
-    $result.='<tr bgcolor="#ffffe6"valign="top"><td colspan="2"><br />'."\n".
-	'&nbsp;Select section: <select name="section">'."\n";
-    if (ref($sections)) {
-	foreach (sort (@$sections)) {$result.='<option value="'.$_.'" '.
-					 ($saveSec eq $_ ? 'selected="on"' : '').'>'.$_.'</option>'."\n";}
-    }
-    $result.= '<option value="all" '.($saveSec eq 'all' ? 'selected="on"' : ''). '>all</select> &nbsp; ';
-
-    $result.='Student Status:</b><select name="status">'.
-	'<option value="Active" '.($saveStatus eq 'Active' ? 'selected' : '').'>Active</option>'.
-	'<option value="Expired" '.($saveStatus eq 'Expired' ? 'selected' : '').'>Expired</option>'.
-	'<option value="Any" '.($saveStatus eq 'Any' ? 'selected' : '').'>Any</option>'.
-	'</select>';
-
-    $result.=' &nbsp; <font color="red">(Applies to the first three options only.)</font>'."\n";
-
-    if (ref($sections)) {
-	$result.='&nbsp;(Section "no" implies the students were not assigned a section.)<br />' 
-	    if (grep /no/,@$sections);
-    }
-    $result.='</td></tr>';
-
-    $result.='<tr bgcolor="#ffffe6"><td colspan="2"><br />'.
-	'<input type="button" onClick="javascript:checkChoice(this.form);" value="View/Grade" />'."\n".
-	'</form></td></tr></table>'."\n".
+    $result.='</form></td></tr></table>'."\n".
 	'</td></tr></table>'."\n".
 	'</td></tr></table>'."\n";
     return $result;
@@ -3380,7 +4044,8 @@ GRADINGMENUJS
 
 sub handler {
     my $request=$_[0];
-    
+
+    undef(%perm);
     if ($ENV{'browser.mathml'}) {
 	$request->content_type('text/xml');
     } else {
@@ -3409,15 +4074,14 @@ sub handler {
 		if ($tsymb) {
 		    my ($map,$id,$url)=split(/\_\_\_/,$tsymb);
 		    if (&Apache::lonnet::allowed('mgr',$tcrsid)) {
-			$request->print(
-					&Apache::lonnet::ssi('/res/'.$url,
-							     ('grade_username' => $tuname,
-							      'grade_domain' => $tudom,
-							      'grade_courseid' => $tcrsid,
-							      'grade_symb' => $tsymb)));
+			$request->print(&Apache::lonnet::ssi_body('/res/'.$url,
+					  ('grade_username' => $tuname,
+					   'grade_domain' => $tudom,
+					   'grade_courseid' => $tcrsid,
+					   'grade_symb' => $tsymb)));
 		    } else {
 			$request->print('<h3>Not authorized: '.$token.'</h3>');
-		    }           
+		    }
 		} else {
 		    $request->print('<h3>Not a valid DocID: '.$token.'</h3>');
 		}
@@ -3426,36 +4090,48 @@ sub handler {
 	    }
 	}
     } else {
-	$Apache::grades::viewgrades=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'});
-	if ($command eq 'submission') {
+	if (!($perm{'vgr'}=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'}))) {
+	    if ($perm{'vgr'}=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'}.'/'.$ENV{'request.course.sec'})) {
+		$perm{'vgr_section'}=$ENV{'request.course.sec'};
+	    } else {
+		delete($perm{'vgr'});
+	    }
+	}
+	if (!($perm{'mgr'}=&Apache::lonnet::allowed('mgr',$ENV{'request.course.id'}))) {
+	    if ($perm{'mgr'}=&Apache::lonnet::allowed('mgr',$ENV{'request.course.id'}.'/'.$ENV{'request.course.sec'})) {
+		$perm{'mgr_section'}=$ENV{'request.course.sec'};
+	    } else {
+		delete($perm{'mgr'});
+	    }
+	}
+
+	if ($command eq 'submission' && $perm{'vgr'}) {
 	    ($ENV{'form.student'} eq '' ? &listStudents($request) : &submission($request,0,0));
-	} elsif ($command eq 'pickStudentPage') {
+	} elsif ($command eq 'pickStudentPage' && $perm{'vgr'}) {
 	    &pickStudentPage($request);
-	} elsif ($command eq 'displayPage') {
+	} elsif ($command eq 'displayPage' && $perm{'vgr'}) {
 	    &displayPage($request);
-	} elsif ($command eq 'gradeByPage') {
+	} elsif ($command eq 'gradeByPage' && $perm{'mgr'}) {
 	    &updateGradeByPage($request);
-	} elsif ($command eq 'processGroup') {
+	} elsif ($command eq 'processGroup' && $perm{'vgr'}) {
 	    &processGroup($request);
-	} elsif ($command eq 'gradingmenu') {
+	} elsif ($command eq 'gradingmenu' && $perm{'vgr'}) {
 	    $request->print(&gradingmenu($request));
-	} elsif ($command eq 'viewgrades') {
+	} elsif ($command eq 'viewgrades' && $perm{'vgr'}) {
 	    $request->print(&viewgrades($request));
-	} elsif ($command eq 'handgrade') {
+	} elsif ($command eq 'handgrade' && $perm{'mgr'}) {
 	    $request->print(&processHandGrade($request));
-	} elsif ($command eq 'editgrades') {
+	} elsif ($command eq 'editgrades' && $perm{'mgr'}) {
 	    $request->print(&editgrades($request));
-	} elsif ($command eq 'verify') {
+	} elsif ($command eq 'verify' && $perm{'vgr'}) {
 	    $request->print(&verifyreceipt($request));
-	} elsif ($command eq 'csvform') {
+	} elsif ($command eq 'csvform' && $perm{'mgr'}) {
 	    $request->print(&upcsvScores_form($request));
-	} elsif ($command eq 'csvupload') {
+	} elsif ($command eq 'csvupload' && $perm{'mgr'}) {
 	    $request->print(&csvupload($request));
-	} elsif ($command eq 'viewclasslist') {
-	    $request->print(&viewclasslist($request));
-	} elsif ($command eq 'csvuploadmap') {
+	} elsif ($command eq 'csvuploadmap' && $perm{'mgr'} ) {
 	    $request->print(&csvuploadmap($request));
-	} elsif ($command eq 'csvuploadassign') {
+	} elsif ($command eq 'csvuploadassign' && $perm{'mgr'}) {
 	    if ($ENV{'form.associate'} ne 'Reverse Association') {
 		$request->print(&csvuploadassign($request));
 	    } else {
@@ -3466,12 +4142,14 @@ sub handler {
 		}
 		$request->print(&csvuploadmap($request));
 	    }
-	} elsif ($command eq 'scantron_selectphase') {
+	} elsif ($command eq 'scantron_selectphase' && $perm{'mgr'}) {
 	    $request->print(&scantron_selectphase($request));
-	} elsif ($command eq 'scantron_process') {
+	} elsif ($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));
-	} else {
-	    $request->print("Unknown action: $command:");
+	} elsif ($command) {
+	    $request->print("Access Denied");
 	}
     }
     &send_footer($request);