--- loncom/homework/grades.pm	2006/01/31 17:47:53	1.308
+++ loncom/homework/grades.pm	2006/03/13 20:26:51	1.333
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Grading handler
 #
-# $Id: grades.pm,v 1.308 2006/01/31 17:47:53 albertel Exp $
+# $Id: grades.pm,v 1.333 2006/03/13 20:26:51 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -40,6 +40,7 @@ use Apache::lonmsg qw(:user_normal_msg);
 use Apache::Constants qw(:common);
 use Apache::lonlocal;
 use String::Similarity;
+use POSIX qw(floor);
 
 my %oldessays=();
 my %perm=();
@@ -48,7 +49,8 @@ my %perm=();
 #
 # --- Retrieve the parts from the metadata file.---
 sub getpartlist {
-    my ($url,$symb) = @_;
+    my ($symb) = @_;
+    my (undef,undef,$url) = &Apache::lonnet::decode_symb($symb);
     my $partorder = &Apache::lonnet::metadata($url, 'partorder');
     my @parts;
     if ($partorder) {
@@ -78,7 +80,7 @@ sub getpartlist {
 }
 
 # --- Get the symbolic name of a problem and the url
-sub get_symb_and_url {
+sub get_symb {
     my ($request,$silent) = @_;
     (my $url=$env{'form.url'}) =~ s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
     my $symb=($env{'form.symb'} ne '' ? $env{'form.symb'} : (&Apache::lonnet::symbread($url)));
@@ -88,7 +90,7 @@ sub get_symb_and_url {
 	    return ();
 	}
     }
-    return ($symb,$url);
+    return ($symb);
 }
 
 #--- Format fullname, username:domain if different for display
@@ -106,8 +108,8 @@ sub nameUserString {
 #--- 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 ($url,$symb) = shift;
-    $symb=($env{'form.symb'} ne '' ? $env{'form.symb'} : (&Apache::lonnet::symbread($url))) if ($symb eq '');
+    my ($symb) = shift;
+    my (undef,undef,$url) = &Apache::lonnet::decode_symb($symb);
     my $allkeys = &Apache::lonnet::metadata($url,'keys');
     my %vPart;
     foreach my $partid (&Apache::loncommon::get_env_multiple('form.vPart')) {
@@ -135,15 +137,11 @@ sub response_type {
 	    push @partlist,$partid;
 	}
     }
-    return \@partlist,\%handgrade,\%responseType;
+    return (\@partlist,\%handgrade,\%responseType);
 }
 
 sub get_display_part {
-    my ($partID,$url,$symb)=@_;
-    if (!defined($symb) || $symb eq '') {
-	$symb=$env{'form.symb'};
-	if ($symb eq '') { $symb=&Apache::lonnet::symbread($url) }
-    }
+    my ($partID,$symb)=@_;
     my $display=&Apache::lonnet::EXT('resource.'.$partID.'.display',$symb);
     if (defined($display) and $display ne '') {
 	$display.= " (<font color=\"#999900\">id $partID</font>)";
@@ -156,13 +154,13 @@ sub get_display_part {
 #--- Show resource title
 #--- and parts and response type
 sub showResourceInfo {
-    my ($url,$probTitle,$checkboxes) = @_;
+    my ($symb,$probTitle,$checkboxes) = @_;
     my $col=3;
     if ($checkboxes) { $col=4; }
     my $result ='<table border="0">'.
 	'<tr><td colspan="'.$col.'"><font size="+1"><b>'.&mt('Current Resource').': </b>'.
 	$probTitle.'</font></td></tr>'."\n";
-    my ($partlist,$handgrade,$responseType) = &response_type($url);
+    my ($partlist,$handgrade,$responseType) = &response_type($symb);
     my %resptype = ();
     my $hdgrade='no';
     my %partsseen;
@@ -180,7 +178,7 @@ sub showResourceInfo {
 	    }
 	    $partsseen{$partID}=1;
 	}
-	my $display_part=&get_display_part($partID,$url);
+	my $display_part=&get_display_part($partID,$symb);
 	$result.='<td><b>Part: </b>'.$display_part.' <font color="#999999">'.
 	    $resID.'</font></td>'.
 	    '<td><b>Type: </b>'.$responsetype.'</td></tr>';
@@ -429,7 +427,7 @@ sub canview {
 
 #--- Retrieve the grade status of a student for all the parts
 sub student_gradeStatus {
-    my ($url,$symb,$udom,$uname,$partlist) = @_;
+    my ($symb,$udom,$uname,$partlist) = @_;
     my %record     = &Apache::lonnet::restore($symb,$env{'request.course.id'},$udom,$uname);
     my %partstatus = ();
     foreach (@$partlist) {
@@ -446,7 +444,7 @@ sub student_gradeStatus {
 # Use by verifyscript and viewgrades
 # Shows a student's view of problem and submission
 sub jscriptNform {
-    my ($url,$symb) = @_;
+    my ($symb) = @_;
     my $jscript='<script type="text/javascript" language="javascript">'."\n".
 	'    function viewOneStudent(user,domain) {'."\n".
 	'	document.onestudent.student.value = user;'."\n".
@@ -456,7 +454,6 @@ sub jscriptNform {
 	'</script>'."\n";
     $jscript.= '<form action="/adm/grades" method="post" name="onestudent">'."\n".
 	'<input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
-	'<input type="hidden" name="url"     value="'.$url.'" />'."\n".
 	'<input type="hidden" name="saveState" value="'.$env{'form.saveState'}.'" />'."\n".
 	'<input type="hidden" name="probTitle" value="'.$env{'form.probTitle'}.'" />'."\n".
 	'<input type="hidden" name="Status"  value="'.$env{'form.Status'}.'" />'."\n".
@@ -467,6 +464,33 @@ sub jscriptNform {
     return $jscript;
 }
 
+# Given the score (as a number [0-1] and the weight) what is the final
+# point value? This function will round to the nearest tenth, third,
+# or quarter if one of those is within the tolerance of .00001.
+sub compute_points {
+    my ($score, $weight) = @_;
+    
+    my $tolerance = .00001;
+    my $points = $score * $weight;
+
+    # Check for nearness to 1/x.
+    my $check_for_nearness = sub {
+        my ($factor) = @_;
+        my $num = ($points * $factor) + $tolerance;
+        my $floored_num = floor($num);
+        if ($num - $floored_num < 2 * $tolerance * $factor) {
+            return $floored_num / $factor;
+        }
+        return $points;
+    };
+
+    $points = $check_for_nearness->(10);
+    $points = $check_for_nearness->(3);
+    $points = $check_for_nearness->(4);
+    
+    return $points;
+}
+
 #------------------ End of general use routines --------------------
 
 #
@@ -528,15 +552,11 @@ sub verifyreceipt {
     my $receipt  = &Apache::lonnet::recprefix($courseid).'-'.
 	$env{'form.receipt'};
     $receipt     =~ s/[^\-\d]//g;
-    my $url      = $env{'form.url'};
-    my $symb     = $env{'form.symb'};
-    unless ($symb) {
-	$symb    = &Apache::lonnet::symbread($url);
-    }
+    my $symb     = &Apache::lonnet::symbread();
 
     my $title.='<h3><font color="#339933">Verifying Submission Receipt '.
 	$receipt.'</h3></font>'."\n".
-	'<font size=+1><b>Resource: </b>'.$env{'form.probTitle'}.'</font><br><br>'."\n";
+	'<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');
@@ -544,7 +564,7 @@ sub verifyreceipt {
     my $receiptparts=0;
     if ($env{"course.$courseid.receiptalg"} eq 'receipt2') { $receiptparts=1; }
     my $parts=['0'];
-    if ($receiptparts) { ($parts)=&response_type($url,$symb); }
+    if ($receiptparts) { ($parts)=&response_type($symb); }
     foreach (sort 
 	     {
 		 if (lc($$fullname{$a}) ne lc($$fullname{$b})) {
@@ -572,7 +592,7 @@ sub verifyreceipt {
     if ($matches == 0) {
 	$string = $title.'No match found for the above receipt.';
     } else {
-	$string = &jscriptNform($url,$symb).$title.
+	$string = &jscriptNform($symb).$title.
 	    'The above receipt matches the following student'.
 	    ($matches <= 1 ? '.' : 's.')."\n".
 	    '<table border="0"><tr><td bgcolor="#777777">'."\n".
@@ -586,7 +606,7 @@ sub verifyreceipt {
 	$string.='</tr>'."\n".$contents.
 	    '</table></td></tr></table>'."\n";
     }
-    return $string.&show_grading_menu_form($symb,$url);
+    return $string.&show_grading_menu_form($symb);
 }
 
 #--- This is called by a number of programs.
@@ -596,7 +616,7 @@ sub verifyreceipt {
 sub listStudents {
     my ($request) = shift;
 
-    my ($symb,$url) = &get_symb_and_url($request);
+    my ($symb) = &get_symb($request);
     my $cdom      = $env{"course.$env{'request.course.id'}.domain"};
     my $cnum      = $env{"course.$env{'request.course.id'}.num"};
     my $getsec    = $env{'form.section'} eq '' ? 'all' : $env{'form.section'};
@@ -609,7 +629,7 @@ sub listStudents {
     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'},($env{'form.showgrading'} eq 'yes'));
+    my ($table,undef,$hdgrade,$partlist,$handgrade) = &showResourceInfo($symb,$env{'form.probTitle'},($env{'form.showgrading'} eq 'yes'));
 
     $request->print(<<LISTJAVASCRIPT);
 <script type="text/javascript" language="javascript">
@@ -675,7 +695,6 @@ LISTJAVASCRIPT
 	'<input type="hidden" name="showgrading" value="'.$env{'form.showgrading'}.'" /><br />'."\n".
 	'<input type="hidden" name="saveState"   value="'.$env{'form.saveState'}.'" />'."\n".
 	'<input type="hidden" name="probTitle"   value="'.$env{'form.probTitle'}.'" />'."\n".
-	'<input type="hidden" name="url"  value="'.$url.'" />'."\n".
 	'<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
 	'<input type="hidden" name="saveStatusOld" value="'.$saveStatus.'" />'."\n";
 
@@ -708,7 +727,7 @@ LISTJAVASCRIPT
 	    && $submitonly ne 'queued'
 	    && $submitonly ne 'all') {
 	    foreach (sort(@$partlist)) {
-		my $display_part=&get_display_part((split(/_/))[0],$url,$symb);
+		my $display_part=&get_display_part((split(/_/))[0],$symb);
 		$gradeTable.='<td><b>&nbsp;Part: '.$display_part.
 		    ' Status&nbsp;</b></td>';
 	    }
@@ -744,7 +763,7 @@ LISTJAVASCRIPT
 	if ($env{'form.showgrading'} eq 'yes' 
 	    && $submitonly ne 'queued'
 	    && $submitonly ne 'all') {
-	    (%status) =&student_gradeStatus($url,$symb,$udom,$uname,$partlist);
+	    (%status) =&student_gradeStatus($symb,$udom,$uname,$partlist);
 	    my $submitted = 0;
 	    my $graded = 0;
 	    my $incorrect = 0;
@@ -826,7 +845,7 @@ LISTJAVASCRIPT
     } elsif ($ctr == 1) {
 	$gradeTable =~ s/type=checkbox/type=checkbox checked/;
     }
-    $gradeTable.=&show_grading_menu_form($symb,$url);
+    $gradeTable.=&show_grading_menu_form($symb);
     $request->print($gradeTable);
     return '';
 }
@@ -1245,7 +1264,7 @@ sub sub_page_kw_js {
 
     pDoc.write("<form action=\\"inactive\\" name=\\"msgcenter\\">");
     pDoc.write("<input value=\\""+usrctr+"\\" name=\\"usrctr\\" type=\\"hidden\\">");
-    pDoc.write("<font color=\\"green\\" size=+1>&nbsp;Compose Message for \"+fullname+\"</font><br><br>");
+    pDoc.write("<font color=\\"green\\" size=+1>&nbsp;Compose Message for \"+fullname+\"</font><br /><br />");
 
     pDoc.write("<table border=0 width=100%><tr><td bgcolor=\\"#777777\\">");
     pDoc.write("<table border=0 width=100%><tr bgcolor=\\"#ddffff\\">");
@@ -1280,7 +1299,7 @@ sub sub_page_kw_js {
     pDoc.write("</table>");
     pDoc.write("</td></tr></table>&nbsp;");
     pDoc.write("<input type=\\"button\\" value=\\"Save\\" onClick=\\"javascript:checkInput()\\">&nbsp;&nbsp;");
-    pDoc.write("<input type=\\"button\\" value=\\"Cancel\\" onClick=\\"self.close()\\"><br><br>");
+    pDoc.write("<input type=\\"button\\" value=\\"Cancel\\" onClick=\\"self.close()\\"><br /><br />");
     pDoc.write("</form>");
     pDoc.write("</body></html>");
     pDoc.close();
@@ -1349,7 +1368,7 @@ sub sub_page_kw_js {
     hDoc.write("</head><body bgcolor=white>");
 
     hDoc.write("<form action=\\"inactive\\" name=\\"hlCenter\\">");
-    hDoc.write("<font color=\\"green\\" size=+1>&nbsp;Keyword Highlight Options</font><br><br>");
+    hDoc.write("<font color=\\"green\\" size=+1>&nbsp;Keyword Highlight Options</font><br /><br />");
 
     hDoc.write("<table border=0 width=100%><tr><td bgcolor=\\"#777777\\">");
     hDoc.write("<table border=0 width=100%><tr bgcolor=\\"#ddffff\\">");
@@ -1373,7 +1392,7 @@ sub sub_page_kw_js {
     hDoc.write("</table>");
     hDoc.write("</td></tr></table>&nbsp;");
     hDoc.write("<input type=\\"button\\" value=\\"Save\\" onClick=\\"javascript:updateChoice(1)\\">&nbsp;&nbsp;");
-    hDoc.write("<input type=\\"button\\" value=\\"Cancel\\" onClick=\\"self.close()\\"><br><br>");
+    hDoc.write("<input type=\\"button\\" value=\\"Cancel\\" onClick=\\"self.close()\\"><br /><br />");
     hDoc.write("</form>");
     hDoc.write("</body></html>");
     hDoc.close();
@@ -1386,30 +1405,24 @@ SUBJAVASCRIPT
 #--- displays the grading box, used in essay type problem and grading by page/sequence
 sub gradeBox {
     my ($request,$symb,$uname,$udom,$counter,$partid,$record) = @_;
-
     my $checkIcon = '<img src="'.$request->dir_config('lonIconsURL').
 	'/check.gif" height="16" border="0" />';
-
     my $wgt    = &Apache::lonnet::EXT('resource.'.$partid.'.weight',$symb,$udom,$uname);
     my $wgtmsg = ($wgt > 0 ? '(problem weight)' : 
 		  '<font color="red">problem weight assigned by computer</font>');
     $wgt       = ($wgt > 0 ? $wgt : '1');
     my $score  = ($$record{'resource.'.$partid.'.awarded'} eq '' ?
-		  '' : $$record{'resource.'.$partid.'.awarded'}*$wgt);
+		  '' : &compute_points($$record{'resource.'.$partid.'.awarded'},$wgt));
     my $result='<input type="hidden" name="WGT'.$counter.'_'.$partid.'" value="'.$wgt.'" />'."\n";
-
-    my $display_part=&get_display_part($partid,undef,$symb);
-
+    my $display_part=&get_display_part($partid,$symb);
     my %last_resets = &get_last_resets($symb,$env{'request.course.id'},
 				       [$partid]);
     my $aggtries = $$record{'resource.'.$partid.'.tries'};
     if ($last_resets{$partid}) {
         $aggtries = &get_num_tries($record,$last_resets{$partid},$partid);
     }
-
     $result.='<table border="0"><tr><td>'.
 	'<b>Part: </b>'.$display_part.' <b>Points: </b></td><td>'."\n";
-
     my $ctr = 0;
     $result.='<table border="0"><tr>'."\n";  # display radio buttons in a nice table 10 across
     while ($ctr<=$wgt) {
@@ -1421,7 +1434,6 @@ sub gradeBox {
 	$ctr++;
     }
     $result.='</tr></table>';
-
     $result.='</td><td>&nbsp;<b>or</b>&nbsp;</td>'."\n";
     $result.='<td><input type="text" name="GD_BOX'.$counter.'_'.$partid.'"'.
 	($score ne ''? ' value = "'.$score.'"':'').' size="4" '.
@@ -1430,7 +1442,6 @@ sub gradeBox {
     $result.='<td>/'.$wgt.' '.$wgtmsg.
 	($$record{'resource.'.$partid.'.solved'} eq 'correct_by_student' ? '&nbsp;'.$checkIcon : '').
 	' </td><td>'."\n";
-
     $result.='<select name="GD_SEL'.$counter.'_'.$partid.'" '.
 	'onChange="javascript:clearRadBox(this.form,\''.$counter.'_'.$partid.'\')" >'."\n";
     if ($$record{'resource.'.$partid.'.solved'} eq 'excused') {
@@ -1451,12 +1462,42 @@ sub gradeBox {
         '<input type="hidden" name="aggtries'.$counter.'_'.$partid.'" value="'.
         $aggtries.'" />'."\n";
     $result.='</td></tr></table>'."\n";
+    $result.=&handback_box($symb,$uname,$udom,$counter,$partid,$record);
     return $result;
 }
 
+sub handback_box {
+    my ($symb,$uname,$udom,$counter,$partid,$record) = @_;
+    my ($partlist,$handgrade,$responseType) = &response_type($symb);
+    my (@respids);
+    foreach my $part_resp (sort(keys(%$handgrade))) {
+        my ($part,$resp) = split(/_/,$part_resp);
+        if ($part eq $partid) {
+            push @respids,$resp;
+        }
+    }
+    my $result;
+    foreach my $respid (@respids) {
+	my $prefix = $counter.'_'.$partid.'_'.$respid.'_';
+	my $files=&get_submitted_files($udom,$uname,$partid,$respid,$record);
+	next if (!@$files);
+	my $file_counter = 1;
+	foreach my $file (@$files) {
+	    my ($file_disp) = ($file =~ m|.+/(.+)$|);
+	    $result.=&mt('Return commented version of [_1] to student.',
+			 '<span class="filename">'.$file_disp.'</span>');
+	    $result.='<input type="file"   name="'.$prefix.'returndoc'.$file_counter.'" />'."\n";
+	    $result.='<input type="hidden" name="'.$prefix.'origdoc'.$file_counter.'" value="'.$file.'" /><br />';
+	    $file_counter++;
+	}
+    }
+    return $result;    
+}
+
 sub show_problem {
     my ($request,$symb,$uname,$udom,$removeform,$viewon,$mode) = @_;
     my $rendered;
+    &Apache::lonxml::remember_problem_counter();
     if ($mode eq 'both' or $mode eq 'text') {
 	$rendered=&Apache::loncommon::get_student_view($symb,$uname,$udom,
 					     $env{'request.course.id'});
@@ -1468,6 +1509,7 @@ sub show_problem {
     }
     my $companswer;
     if ($mode eq 'both' or $mode eq 'answer') {
+	&Apache::lonxml::restore_problem_counter();
 	$companswer=&Apache::loncommon::get_student_answers($symb,$uname,$udom,
 						    $env{'request.course.id'});
     }
@@ -1504,20 +1546,19 @@ sub show_problem {
 sub submission {
     my ($request,$counter,$total) = @_;
 
-    (my $url=$env{'form.url'})=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
     my ($uname,$udom)     = ($env{'form.student'},$env{'form.userdom'});
     $udom = ($udom eq '' ? $env{'user.domain'} : $udom); #has form.userdom changed for a student?
     my $usec = &Apache::lonnet::getsection($udom,$uname,$env{'request.course.id'});
     $env{'form.fullname'} = &Apache::loncommon::plainname($uname,$udom,'lastname') 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 ''; }
+    my $symb = &get_symb($request); 
+    if ($symb eq '') { $request->print("Unable to handle ambiguous references:."); return ''; }
 
     if (!&canview($usec)) {
 	$request->print('<font color="red">Unable to view requested student.('.
 			$uname.'@'.$udom.' in section '.$usec.' in course id '.
 			$env{'request.course.id'}.')</font>');
-	$request->print(&show_grading_menu_form($symb,$url));
+	$request->print(&show_grading_menu_form($symb));
 	return;
     }
 
@@ -1555,6 +1596,7 @@ sub submission {
 	    } elsif ($env{'form.vAns'} eq 'yes') {
 		$mode='answer';
 	    }
+	    &Apache::lonxml::clear_problem_counter();
 	    $request->print(&show_problem($request,$symb,$uname,$udom,0,1,$mode));
 	}
 	
@@ -1587,14 +1629,13 @@ sub submission {
 			'<input type="hidden" name="studentNo"  value="" />'."\n".
 			'<input type="hidden" name="gradeOpt"   value="" />'."\n".
 			'<input type="hidden" name="symb"       value="'.$symb.'" />'."\n".
-			'<input type="hidden" name="url"        value="'.$url.'" />'."\n".
 			'<input type="hidden" name="showgrading" value="'.$env{'form.showgrading'}.'" />'."\n".
 			'<input type="hidden" name="vProb"      value="'.$env{'form.vProb'}.'" />'."\n".
 			'<input type="hidden" name="vAns"       value="'.$env{'form.vAns'}.'" />'."\n".
 			'<input type="hidden" name="lastSub"    value="'.$env{'form.lastSub'}.'" />'."\n".
-			'<input type="hidden" name="section"    value="'.$env{'form.section'}.'">'."\n".
-			'<input type="hidden" name="submitonly" value="'.$env{'form.submitonly'}.'">'."\n".
-			'<input type="hidden" name="handgrade"  value="'.$env{'form.handgrade'}.'">'."\n".
+			'<input type="hidden" name="section"    value="'.$env{'form.section'}.'" />'."\n".
+			'<input type="hidden" name="submitonly" value="'.$env{'form.submitonly'}.'" />'."\n".
+			'<input type="hidden" name="handgrade"  value="'.$env{'form.handgrade'}.'" />'."\n".
 			'<input type="hidden" name="NCT"'.
 			' value="'.($env{'form.NTSTU'} ne '' ? $env{'form.NTSTU'} : $total+1).'" />'."\n");
 	if ($env{'form.handgrade'} eq 'yes') {
@@ -1636,7 +1677,7 @@ KEYWORDS
 #
 # Load the other essays for similarity check
 #
-            my $essayurl=&Apache::lonnet::declutter($url);
+            my (undef,undef,$essayurl) = &Apache::lonnet::decode_symb($symb);
 	    my ($adom,$aname,$apath)=($essayurl=~/^(\w+)\/(\w+)\/(.*)$/);
 	    $apath=&Apache::lonnet::escape($apath);
 	    $apath=~s/\W/\_/gs;
@@ -1654,16 +1695,17 @@ KEYWORDS
 	} elsif ($env{'form.vAns'} eq 'all') {
 	    $mode='answer';
 	}
+	&Apache::lonxml::clear_problem_counter();
 	$request->print(&show_problem($request,$symb,$uname,$udom,1,1,$mode));
     }
 
     my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},$udom,$uname);
-    my ($partlist,$handgrade,$responseType) = &response_type($url,$symb);
+    my ($partlist,$handgrade,$responseType) = &response_type($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";
+    my $result='<table border="0" width="100%"><tr><td bgcolor="#777777">'."\n".
+	'<table border="0" width="100%"><tr bgcolor="#edffff"><td>'."\n";
 
     $result.='<b>Fullname: </b>'.&nameUserString(undef,$env{'form.fullname'},$uname,$udom).'<br />'."\n";
     $result.='<input type="hidden" name="name'.$counter.
@@ -1744,7 +1786,7 @@ KEYWORDS
 	    my %seenparts;
 	    for my $part (sort keys(%$handgrade)) {
 		my ($partid,$respid) = split(/_/,$part);
-		my $display_part=&get_display_part($partid,$url,$symb);
+		my $display_part=&get_display_part($partid,$symb);
 		if ($env{"form.$uname:$udom:$partid:submitted_by"}) {
 		    if (exists($seenparts{$partid})) { next; }
 		    $seenparts{$partid}=1;
@@ -1788,33 +1830,18 @@ KEYWORDS
 		    if ($env{'form.lastSub'} eq 'lastonly' || 
 			($env{'form.lastSub'} eq 'hdgrade' && 
 			 $$handgrade{$part} eq 'yes')) {
-			my $display_part=&get_display_part($partid,$url,$symb);
+			my $display_part=&get_display_part($partid,$symb);
 			$lastsubonly.='<tr><td bgcolor="#ffffe6"><b>Part:</b> '.
 			    $display_part.' <font color="#999999">( ID '.$respid.
 			    ' )</font>&nbsp; &nbsp;';
-			my @files;
-			if ($record{"resource.$partid.$respid.portfiles"}) {
-			    my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio';
-			    foreach my $file (split(',',$record{"resource.$partid.$respid.portfiles"})) {
-				push(@files,$file_url.$file);
-			    
-				&Apache::lonnet::logthis("found a portfolio file".$record{"resource.$partid.$respid.portfiles"});
-				&Apache::lonnet::logthis("uploaded URL file".$record{"resource.$partid.$respid.uploadedurl"});
-			    }
-			}
-			if ($record{"resource.$partid.$respid.uploadedurl"}) {
-			    push(@files,$record{"resource.$partid.$respid.uploadedurl"});
-			}
-			if (@files) {
+			my $files=&get_submitted_files($udom,$uname,$partid,$respid,\%record);
+			if (@$files) {
 			    $lastsubonly.='<br /><font color="red" size="1">Like all files provided by users, this file may contain virusses</font><br />';
 			    my $file_counter = 0;
-			    foreach my $file (@files) {
+			    foreach my $file (@$files) {
 			        $file_counter ++;
 				&Apache::lonnet::allowuploaded('/adm/grades',$file);
-				$lastsubonly.='<br /><a href="'.$file.'" target="lonGRDs"><img src="'.&Apache::loncommon::icon($file).'" border=0"> '.$file.'</a>';
-				$lastsubonly.='Return commented document to student. <input type="file" name="returndoc'.$file_counter.'" />'."\n";
-				$lastsubonly.='<input type="hidden" name="returndocorig'.$file_counter.'" value="'.$file.'" />';
-
+				$lastsubonly.='<br /><a href="'.$file.'" target="lonGRDs"><img src="'.&Apache::loncommon::icon($file).'" border="0"> '.$file.'</a>';
 			    }
 			    $lastsubonly.='<br />';
 			}
@@ -1829,7 +1856,7 @@ KEYWORDS
 	$lastsubonly.='</td></tr><tr bgcolor="#ffffff"><td>'."\n";
 	$request->print($lastsubonly);
     } elsif ($env{'form.lastSub'} eq 'datesub') {
-	my (undef,$responseType,undef,$parts) = &showResourceInfo($url);
+	my (undef,$responseType,undef,$parts) = &showResourceInfo($symb);
 	$request->print(&displaySubByDates($symb,\%record,$parts,$responseType,$checkIcon,$uname,$udom));
     } elsif ($env{'form.lastSub'} =~ /^(last|all)$/) {
 	$request->print(&Apache::loncommon::get_previous_attempt($symb,$uname,$udom,
@@ -1849,7 +1876,7 @@ KEYWORDS
 	$toGrade.='</td></tr></table></td></tr></table>'."\n";
 	if (($env{'form.command'} eq 'submission') || 
 	    ($env{'form.command'} eq 'processGroup' && $counter == $total)) {
-	    $toGrade.='</form>'.&show_grading_menu_form($symb,$url) 
+	    $toGrade.='</form>'.&show_grading_menu_form($symb); 
 	}
 	$request->print($toGrade);
 	return;
@@ -1892,14 +1919,13 @@ KEYWORDS
     my %seen = ();
     my @partlist;
     my @gradePartRespid;
-    for (sort keys(%$handgrade)) {
-	my ($partid,$respid) = split(/_/);
+    for my $part_resp (sort(keys(%$handgrade))) {
+	my ($partid,$respid) = split(/_/, $part_resp);
 	next if ($seen{$partid} > 0);
 	$seen{$partid}++;
-	next if ($$handgrade{$_} =~ /:no$/ && $env{'form.lastSub'} =~ /^(hdgrade)$/);
+	next if ($$handgrade{$part_resp} =~ /:no$/ && $env{'form.lastSub'} =~ /^(hdgrade)$/);
 	push @partlist,$partid;
 	push @gradePartRespid,$partid.'.'.$respid;
-
 	$request->print(&gradeBox($request,$symb,$uname,$udom,$counter,$partid,\%record));
     }
     $result='<input type="hidden" name="partlist'.$counter.
@@ -1933,7 +1959,7 @@ KEYWORDS
 	    '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);
+	$endform.=&show_grading_menu_form($symb);
 	$request->print($endform);
     }
     return '';
@@ -1981,8 +2007,8 @@ sub keywords_highlight {
 #--- Called from submission routine
 sub processHandGrade {
     my ($request) = shift;
-    my $url    = $env{'form.url'};
-    my $symb   = $env{'form.symb'};
+    my $symb   = &get_symb($request);
+    my (undef,undef,$url) = &Apache::lonnet::decode_symb($symb);
     my $button = $env{'form.gradeOpt'};
     my $ngrade = $env{'form.NCT'};
     my $ntstu  = $env{'form.NTSTU'};
@@ -1993,7 +2019,7 @@ sub processHandGrade {
 	my $ctr = 0;
 	while ($ctr < $ngrade) {
 	    my ($uname,$udom) = split(/:/,$env{'form.unamedom'.$ctr});
-	    my ($errorflag,$pts,$wgt) = &saveHandGrade($request,$url,$symb,$uname,$udom,$ctr);
+	    my ($errorflag,$pts,$wgt) = &saveHandGrade($request,$symb,$uname,$udom,$ctr);
 	    if ($errorflag eq 'no_score') {
 		$ctr++;
 		next;
@@ -2019,9 +2045,9 @@ sub processHandGrade {
 		    &Apache::lonnet::clutter($url).
 		    "?symb=$symb\">$env{'form.probTitle'}</a>";
 		}
-		$msgstatus = &Apache::lonmsg::user_normal_msg ($uname,$udom,
-							       $subject.' ['.
-							       &Apache::lonnet::declutter($url).']',$message);
+		$msgstatus = &Apache::lonmsg::user_normal_msg($uname,$udom,
+							      $subject.' ['.
+							      &Apache::lonnet::declutter($url).']',$message);
 		$request->print('<br />'.&mt('Sending message to [_1]@[_2]',$uname,$udom).': '.
 				$msgstatus);
 	    }
@@ -2029,32 +2055,21 @@ sub processHandGrade {
 		my @collabstrs=&Apache::loncommon::get_env_multiple("form.collaborator$ctr");
 		foreach my $collabstr (@collabstrs) {
 		    my ($part,@collaborators) = split(/:/,$collabstr);
-		    foreach (@collaborators) {
+		    foreach my $collaborator (@collaborators) {
 			my ($errorflag,$pts,$wgt) = 
-			    &saveHandGrade($request,$url,$symb,$_,$udom,$ctr,
+			    &saveHandGrade($request,$symb,$collaborator,$udom,$ctr,
 					   $env{'form.unamedom'.$ctr},$part);
 			if ($errorflag eq 'not_allowed') {
-			    $request->print("<font color=\"red\">Not allowed to modify grades for $_:$udom</font>");
+			    $request->print("<font color=\"red\">Not allowed to modify grades for $collaborator:$udom</font>");
 			    next;
 			} else {
 			    if ($message ne '') {
-				$msgstatus = &Apache::lonmsg::user_normal_msg($_,$udom,$env{'form.msgsub'},$message);
+				$msgstatus = &Apache::lonmsg::user_normal_msg($collaborator,$udom,$env{'form.msgsub'},$message);
 			    }
-			    
 			}
 		    }
 		}
 	    }
-	    if ($env{'form.returndoc1'}) {
-	        # if multiple files are uploaded names will be 'returndoc2', 'returndoc3'
-	        my $file_counter = 1;
-	        while ($env{'form.returndoc'.$file_counter}) {
-	            my $fname=$env{'form.returndoc'.$file_counter.'.filename'};
-	            $request->print("<br />".$fname." will be the uploaded file name");
-	            $request->print("<font color=\"red\">Will upload document</font>".$env{'form.returndocorig'.$file_counter});
-	            $file_counter ++;
-	        }
-	    }
 	    $ctr++;
 	}
     }
@@ -2120,7 +2135,7 @@ sub processHandGrade {
 
 # 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($url);
+	(undef,undef,$env{'form.handgrade'},undef,undef) = &showResourceInfo($symb);
 	my $processUser = $env{'form.unamedom'.$env{'form.studentNo'}};
 	($env{'form.student'},$env{'form.userdom'}) = split(/:/,$processUser);
 	$env{'form.fullname'} = $$fullname{$processUser};
@@ -2158,7 +2173,7 @@ sub processHandGrade {
     }
     $ctr = 0;
     @parsedlist = reverse @parsedlist if ($button eq 'Previous');
-    my ($partlist) = &response_type($url);
+    my ($partlist) = &response_type($symb);
     foreach my $student (@parsedlist) {
 	my $submitonly=$env{'form.submitonly'};
 	my ($uname,$udom) = split(/:/,$student);
@@ -2172,7 +2187,7 @@ sub processHandGrade {
 
 	if ($submitonly =~ /^(yes|graded|incorrect)$/) {
 #	    my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},$udom,$uname);
-	    my %status=&student_gradeStatus($url,$symb,$udom,$uname,$partlist);
+	    my %status=&student_gradeStatus($symb,$udom,$uname,$partlist);
 	    my $submitted = 0;
 	    my $ungraded = 0;
 	    my $incorrect = 0;
@@ -2211,7 +2226,7 @@ sub processHandGrade {
 	my $the_end = '<h3><font color="red">LON-CAPA User Message</font></h3><br />'."\n";
 	$the_end.='<b>Message: </b> No more students for this section or class.<br /><br />'."\n";
 	$the_end.='Click on the button below to return to the grading menu.<br /><br />'."\n";
-	$the_end.=&show_grading_menu_form($symb,$url);
+	$the_end.=&show_grading_menu_form($symb);
 	$request->print($the_end);
     }
     return '';
@@ -2219,7 +2234,7 @@ sub processHandGrade {
 
 #---- Save the score and award for each student, if changed
 sub saveHandGrade {
-    my ($request,$url,$symb,$stuname,$domain,$newflg,$submitter,$part) = @_;
+    my ($request,$symb,$stuname,$domain,$newflg,$submitter,$part) = @_;
     my @v_flag;
     my $usec = &Apache::lonnet::getsection($domain,$stuname,
 					   $env{'request.course.id'});
@@ -2263,7 +2278,7 @@ sub saveHandGrade {
 
             my $solvedstatus = $record{'resource.'.$new_part.'.solved'};
             if ($aggtries > 0) {
-                &decrement($symb,$new_part,\%aggregate,$aggtries,$totaltries,$solvedstatus);
+                &decrement_aggs($symb,$new_part,\%aggregate,$aggtries,$totaltries,$solvedstatus);
                 $aggregateflag = 1;
             }
 	} elsif ($dropMenu eq '') {
@@ -2302,6 +2317,31 @@ sub saveHandGrade {
 	    $newrecord{'resource.'.$new_part.'.regrader'}=
 		"$env{'user.name'}:$env{'user.domain'}";
 	}
+	my ($partlist,$handgrade,$responseType) = &response_type($symb);
+	foreach my $part_resp (sort(keys(%$handgrade))) {
+	    my ($part_id, $resp_id) = split(/_/,$part_resp);
+            if (($env{'form.'.$newflg.'_'.$part_resp.'_returndoc1'}) && ($new_part == $part_id)) {
+                # if multiple files are uploaded names will be 'returndoc2','returndoc3'
+                my $file_counter = 1;
+                while ($env{'form.'.$newflg.'_'.$part_resp.'_returndoc'.$file_counter}) {
+                    my $fname=$env{'form.'.$newflg.'_'.$part_resp.'_returndoc'.$file_counter.'.filename'};
+                    $newrecord{"resource.$new_part.$resp_id.handback"} = $env{'form.returndocorig'.$file_counter};
+                    # set the filename to match the submitted file name
+                    $env{'form.'.$newflg.'_'.$part_resp.'_returndoc1.filename'} = $env{'form.'.$newflg.'_'.$part_resp.'_origdoc'.$file_counter};
+                    my $result=&Apache::lonnet::userfileupload($newflg.'_'.$part_resp.'_returndoc'.$file_counter,'',
+	        	 'portfolio',undef,undef,undef,$stuname,$domain);
+                   if ($result !~ m|^/uploaded/|) {
+                        $request->print('<font color="red"> An errror occured ('.$result.
+	                    ') while trying to upload '.&display_file().'</font><br />');
+	                # $request->print(&done('Back'));
+	            }
+                    $request->print("<br />".$fname." will be the uploaded file name");
+                    $request->print("<font color=\"red\">Will upload document</font>".$env{'form.'.$newflg.'_'.$part_resp.'_origdoc'.$file_counter});
+                    $file_counter++;
+                }
+            }
+        }
+	
 	# unless problem has been graded, set flag to version the submitted files
 	unless ($record{'resource.'.$new_part.'.solved'} =~ /^correct_/  || 
 	        $record{'resource.'.$new_part.'.solved'} eq 'incorrect_by_override' ||
@@ -2339,6 +2379,21 @@ sub saveHandGrade {
     return ('',$pts,$wgt);
 }
 
+sub get_submitted_files {
+    my ($udom,$uname,$partid,$respid,$record) = @_;
+    my @files;
+    if ($$record{"resource.$partid.$respid.portfiles"}) {
+        my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio';
+        foreach my $file (split(',',$$record{"resource.$partid.$respid.portfiles"})) {
+    	    push(@files,$file_url.$file);
+        }
+    }
+    if ($$record{"resource.$partid.$respid.uploadedurl"}) {
+        push(@files,$$record{"resource.$partid.$respid.uploadedurl"});
+    }
+    return (\@files);
+}
+
 # ----------- Provides number of tries since last reset.
 sub get_num_tries {
     my ($record,$last_reset,$part) = @_;
@@ -2669,7 +2724,7 @@ sub viewgrades {
     my ($request) = shift;
     &viewgrades_js($request);
 
-    my ($symb,$url) = ($env{'form.symb'},$env{'form.url'}); 
+    my ($symb) = &get_symb($request);
     #need to make sure we have the correct data for later EXT calls, 
     #thus invalidate the cache
     &Apache::lonnet::devalidatecourseresdata(
@@ -2681,12 +2736,11 @@ sub viewgrades {
     $result.='<font size=+1><b>Current Resource: </b>'.$env{'form.probTitle'}.'</font>'."\n";
 
     #view individual student submission form - called using Javascript viewOneStudent
-    $result.=&jscriptNform($url,$symb);
+    $result.=&jscriptNform($symb);
 
     #beginning of class grading form
     $result.= '<form action="/adm/grades" method="post" name="classgrade">'."\n".
 	'<input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
-	'<input type="hidden" name="url"     value="'.$url.'" />'."\n".
 	'<input type="hidden" name="command" value="editgrades" />'."\n".
 	'<input type="hidden" name="section" value="'.$env{'form.section'}.'" />'."\n".
 	'<input type="hidden" name="saveState" value="'.$env{'form.saveState'}.'" />'."\n".
@@ -2706,7 +2760,7 @@ sub viewgrades {
 	'<table border=0><tr bgcolor="#ffffdd"><td>';
     #radio buttons/text box for assigning points for a section or class.
     #handles different parts of a problem
-    my ($partlist,$handgrade) = &response_type($url,$symb);
+    my ($partlist,$handgrade) = &response_type($symb);
     my %weight = ();
     my $ctsparts = 0;
     $result.='<table border="0">';
@@ -2723,7 +2777,7 @@ sub viewgrades {
 	    $ctsparts.'" value="'.$partid.'" />'."\n";
 	$result.='<input type="hidden" name="weight_'.
 	    $partid.'" value="'.$weight{$partid}.'" />'."\n";
-	my $display_part=&get_display_part($partid,$url,$symb);
+	my $display_part=&get_display_part($partid,$symb);
 	$result.='<tr><td><b>Part:</b> '.$display_part.'&nbsp; &nbsp;<b>Point:</b> </td><td>';
 	$result.='<table border="0"><tr>';  
 	my $ctr = 0;
@@ -2759,7 +2813,8 @@ sub viewgrades {
     $result.= '<table border=0><tr><td bgcolor="#777777">'."\n".
 	'<table border=0><tr bgcolor="#deffff"><td>&nbsp;<b>No.</b>&nbsp;</td>'.
 	'<td>'.&nameUserString('header')."</td>\n";
-    my (@parts) = sort(&getpartlist($url,$symb));
+    my (@parts) = sort(&getpartlist($symb));
+    my (undef,undef,$url)=&Apache::lonnet::decode_symb($symb);
     my @partids = ();
     foreach my $part (@parts) {
 	my $display=&Apache::lonnet::metadata($url,$part.'.display');
@@ -2767,7 +2822,7 @@ sub viewgrades {
 	if  (!$display) { $display = &Apache::lonnet::metadata($url,$part.'.name'); }
 	my ($partid) = &split_part_type($part);
         push(@partids, $partid);
-	my $display_part=&get_display_part($partid,$url,$symb);
+	my $display_part=&get_display_part($partid,$symb);
 	if ($display =~ /^Partial Credit Factor/) {
 	    $result.='<td><b>Score Part:</b> '.$display_part.
 		' <br /><b>(weight = '.$weight{$partid}.')</b></td>'."\n";
@@ -2795,7 +2850,7 @@ sub viewgrades {
 		 return $a cmp $b;
 	     } (keys(%$fullname))) {
 	$ctr++;
-	$result.=&viewstudentgrade($url,$symb,$env{'request.course.id'},
+	$result.=&viewstudentgrade($symb,$env{'request.course.id'},
 				   $_,$$fullname{$_},\@parts,\%weight,$ctr,\%last_resets);
     }
     $result.='</table></td></tr></table>';
@@ -2807,13 +2862,13 @@ sub viewgrades {
 	$result='<font color="red">There are no students in section "'.$env{'form.section'}.
 	    '" with enrollment status "'.$env{'form.Status'}.'" to modify or grade.</font>';
     }
-    $result.=&show_grading_menu_form($symb,$url);
+    $result.=&show_grading_menu_form($symb);
     return $result;
 }
 
 #--- call by previous routine to display each student
 sub viewstudentgrade {
-    my ($url,$symb,$courseid,$student,$fullname,$parts,$weight,$ctr,$last_resets) = @_;
+    my ($symb,$courseid,$student,$fullname,$parts,$weight,$ctr,$last_resets) = @_;
     my ($uname,$udom) = split(/:/,$student);
     my %record=&Apache::lonnet::restore($symb,$courseid,$udom,$uname);
     my %aggregates = (); 
@@ -2844,7 +2899,7 @@ sub viewstudentgrade {
             $aggregates{$part} = 1;
         }
 	if ($type eq 'awarded') {
-	    my $pts = $score eq '' ? '' : $score*$$weight{$part};
+	    my $pts = $score eq '' ? '' : &compute_points($score,$$weight{$part});
 	    $result.='<input type="hidden" name="'.
 		'GD_'.$student.'_'.$part.'_awarded_s" value="'.$pts.'" />'."\n";
 	    $result.='<input type="text" name="'.
@@ -2881,8 +2936,7 @@ sub viewstudentgrade {
 sub editgrades {
     my ($request) = @_;
 
-    my $symb=$env{'form.symb'};
-    my $url =$env{'form.url'};
+    my $symb=&get_symb($request);
     my $title='<h3><font color="#339933">Current Grade Status</font></h3>';
     $title.='<font size=+1><b>Current Resource: </b>'.$env{'form.probTitle'}.'</font><br />'."\n";
     $title.='<font size=+1><b>Section: </b>'.$env{'form.section'}.'</font>'."\n";
@@ -2906,7 +2960,7 @@ sub editgrades {
     my %columns = ();
     my ($i,$ctr,$count,$rec_update) = (0,0,0,0);
 
-    my (@parts) = sort(&getpartlist($url,$symb));
+    my (@parts) = sort(&getpartlist($symb));
     my $header;
     while ($ctr < $env{'form.totalparts'}) {
 	my $partid = $env{'form.partid_'.$ctr};
@@ -2914,6 +2968,7 @@ sub editgrades {
 	$weight{$partid} = $env{'form.weight_'.$partid};
 	$ctr++;
     }
+    my (undef,undef,$url) = &Apache::lonnet::decode_symb($symb);
     foreach my $partid (@partid) {
 	$header .= '<td align="center">&nbsp;<b>Old Score</b>&nbsp;</td>'.
 	    '<td align="center">&nbsp;<b>New Score</b>&nbsp;</td>';
@@ -2931,7 +2986,7 @@ sub editgrades {
 	}
     }
     foreach my $partid (@partid) {
-	my $display_part=&get_display_part($partid,$url,$symb);
+	my $display_part=&get_display_part($partid,$symb);
 	$result .= '<td colspan="'.$columns{$partid}.
 	    '" align="center"><b>Part:</b> '.$display_part.
 	    ' (Weight = '.$weight{$partid}.')</td>';
@@ -3071,7 +3126,7 @@ sub editgrades {
 	$result .= '<tr bgcolor="#ffffff"><td align="center" colspan="'.$numcols.'">No Changes Occurred For the Students Below</td></tr><tr bgcolor="#ffffde">'.$noupdate;
     }
     $result .= '</table></td></tr></table>'."\n".
-	&show_grading_menu_form ($symb,$url);
+	&show_grading_menu_form ($symb);
     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 />';
@@ -3174,7 +3229,7 @@ ENDPICK
 }
 
 sub csvuploadmap_header {
-    my ($request,$symb,$url,$datatoken,$distotal)= @_;
+    my ($request,$symb,$datatoken,$distotal)= @_;
     my $javascript;
     if ($env{'form.upfile_associate'} eq 'reverse') {
 	$javascript=&csvupload_javascript_reverse_associate();
@@ -3182,14 +3237,14 @@ sub csvuploadmap_header {
 	$javascript=&csvupload_javascript_forward_associate();
     }
 
-    my ($result) = &showResourceInfo($url,$env{'form.probTitle'});
+    my ($result) = &showResourceInfo($symb,$env{'form.probTitle'});
     my $checked=(($env{'form.noFirstLine'})?' checked="checked"':'');
     my $ignore=&mt('Ignore First Line');
     $request->print(<<ENDPICK);
 <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
 <h3><font color="#339933">Uploading Class Grades</font></h3>
 $result
-<hr>
+<hr />
 <h3>Identify fields</h3>
 Total number of records found in file: $distotal <hr />
 Enter as many fields as you can. The system will inform you and bring you back
@@ -3204,7 +3259,6 @@ to this page if the data selected is ins
 <input type="hidden" name="upfile_associate" 
                                        value="$env{'form.upfile_associate'}" />
 <input type="hidden" name="symb"       value="$symb" />
-<input type="hidden" name="url"        value="$url" />
 <input type="hidden" name="saveState"  value="$env{'form.saveState'}" />
 <input type="hidden" name="probTitle"  value="$env{'form.probTitle'}" />
 <input type="hidden" name="command"    value="csvuploadoptions" />
@@ -3218,11 +3272,12 @@ ENDPICK
 }
 
 sub csvupload_fields {
-    my ($url,$symb) = @_;
-    my (@parts) = &getpartlist($url,$symb);
+    my ($symb) = @_;
+    my (@parts) = &getpartlist($symb);
     my @fields=(['ID','Student ID'],
 		['username','Student Username'],
 		['domain','Student Domain']);
+    my (undef,undef,$url) = &Apache::lonnet::decode_symb($symb);
     foreach my $part (sort(@parts)) {
 	my @datum;
 	my $display=&Apache::lonnet::metadata($url,$part.'.display');
@@ -3265,14 +3320,14 @@ CSVFORMJS
 
 sub upcsvScores_form {
     my ($request) = shift;
-    my ($symb,$url)=&get_symb_and_url($request);
+    my ($symb)=&get_symb($request);
     if (!$symb) {return '';}
     my $result=&checkforfile_js();
     $env{'form.probTitle'} = &Apache::lonnet::gettitle($symb);
-    my ($table) = &showResourceInfo($url,$env{'form.probTitle'});
+    my ($table) = &showResourceInfo($symb,$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.='<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 current resource'.
 	'.</b></td></tr>'."\n";
     $result.='<tr bgcolor=#ffffe6><td>'."\n";
@@ -3281,7 +3336,6 @@ sub upcsvScores_form {
     $result.=<<ENDUPFORM;
 <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
 <input type="hidden" name="symb" value="$symb" />
-<input type="hidden" name="url" value="$url" />
 <input type="hidden" name="command" value="csvuploadmap" />
 <input type="hidden" name="probTitle" value="$env{'form.probTitle'}" />
 <input type="hidden" name="saveState"  value="$env{'form.saveState'}" />
@@ -3292,14 +3346,14 @@ $upfile_select
 ENDUPFORM
     $result.='</td></tr></table>'."\n";
     $result.='</td></tr></table><br /><br />'."\n";
-    $result.=&show_grading_menu_form($symb,$url);
+    $result.=&show_grading_menu_form($symb);
     return $result;
 }
 
 
 sub csvuploadmap {
     my ($request)= @_;
-    my ($symb,$url)=&get_symb_and_url($request);
+    my ($symb)=&get_symb($request);
     if (!$symb) {return '';}
 
     my $datatoken;
@@ -3311,10 +3365,10 @@ sub csvuploadmap {
     }
     my @records=&Apache::loncommon::upfile_record_sep();
     if ($env{'form.noFirstLine'}) { shift(@records); }
-    &csvuploadmap_header($request,$symb,$url,$datatoken,$#records+1);
+    &csvuploadmap_header($request,$symb,$datatoken,$#records+1);
     my ($i,$keyfields);
     if (@records) {
-	my @fields=&csvupload_fields($url,$symb);
+	my @fields=&csvupload_fields($symb);
 
 	if ($env{'form.upfile_associate'} eq 'reverse') {	
 	    &Apache::loncommon::csv_print_samples($request,\@records);
@@ -3326,19 +3380,24 @@ sub csvuploadmap {
 	    unshift(@fields,['none','']);
 	    $i=&Apache::loncommon::csv_samples_select_table($request,\@records,
 							    \@fields);
-	    my %sone=&Apache::loncommon::record_sep($records[0]);
-	    $keyfields=join(',',sort(keys(%sone)));
+            foreach my $rec (@records) {
+                my %temp = &Apache::loncommon::record_sep($rec);
+                if (%temp) {
+                    $keyfields=join(',',sort(keys(%temp)));
+                    last;
+                }
+            }
 	}
     }
     &csvuploadmap_footer($request,$i,$keyfields);
-    $request->print(&show_grading_menu_form($symb,$url));
+    $request->print(&show_grading_menu_form($symb));
 
     return '';
 }
 
 sub csvuploadoptions {
     my ($request)= @_;
-    my ($symb,$url)=&get_symb_and_url($request);
+    my ($symb)=&get_symb($request);
     my $checked=(($env{'form.noFirstLine'})?'1':'0');
     my $ignore=&mt('Ignore First Line');
     $request->print(<<ENDPICK);
@@ -3376,7 +3435,7 @@ ENDPICK
     # FIXME do a check for any invalid user ids?...
     $request->print('<input type="submit" value="Assign Grades" /><br />
 <hr /></form>'."\n");
-    $request->print(&show_grading_menu_form($symb,$url));
+    $request->print(&show_grading_menu_form($symb));
     return '';
 }
 
@@ -3399,7 +3458,7 @@ sub get_fields {
 
 sub csvuploadassign {
     my ($request)= @_;
-    my ($symb,$url)=&get_symb_and_url($request);
+    my ($symb)=&get_symb($request);
     if (!$symb) {return '';}
     &Apache::loncommon::load_tmp_file($request);
     my @gradedata = &Apache::loncommon::upfile_record_sep();
@@ -3489,7 +3548,7 @@ sub csvuploadassign {
     }
     $request->print("<br />Stored $countdone students\n");
     if (@skipped) {
-	$request->print('<p<font size="+1"><b>Skipped Students</b></font></p>');
+	$request->print('<p><font size="+1"><b>Skipped Students</b></font></p>');
 	foreach my $student (@skipped) { $request->print("$student<br />\n"); }
     }
     if (@notallowed) {
@@ -3497,7 +3556,7 @@ sub csvuploadassign {
 	foreach my $student (@notallowed) { $request->print("$student<br />\n"); }
     }
     $request->print("<br />\n");
-    $request->print(&show_grading_menu_form($symb,$url));
+    $request->print(&show_grading_menu_form($symb));
     return '';
 }
 #------------- end of section for handling csv file upload ---------
@@ -3527,7 +3586,7 @@ function checkPickOne(formname) {
 </script>
 LISTJAVASCRIPT
     &commonJSfunctions($request);
-    my ($symb,$url) = &get_symb_and_url($request);
+    my ($symb) = &get_symb($request);
     my $cdom      = $env{"course.$env{'request.course.id'}.domain"};
     my $cnum      = $env{"course.$env{'request.course.id'}.num"};
     my $getsec    = $env{'form.section'} eq '' ? 'all' : $env{'form.section'};
@@ -3549,7 +3608,7 @@ LISTJAVASCRIPT
 	    '>'.$showtitle.'</option>'."\n";
 	$ctr++;
     }
-    $result.= '</select>'."<br>\n";
+    $result.= '</select>'."<br />\n";
     $ctr=0;
     foreach (@$titles) {
 	my ($minder,$showtitle) = ($_ =~ /(\d+)\.(.*)/);
@@ -3571,7 +3630,6 @@ LISTJAVASCRIPT
     $result.='<input type="hidden" name="section"     value="'.$getsec.'" />'."\n".
 	'<input type="hidden" name="Status"  value="'.$env{'form.Status'}.'" />'."\n".
 	'<input type="hidden" name="command" value="displayPage" />'."\n".
-	'<input type="hidden" name="url"     value="'.$url.'" />'."\n".
 	'<input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
 	'<input type="hidden" name="saveState" value="'.$env{'form.saveState'}.'" />'."<br />\n";
 
@@ -3580,7 +3638,7 @@ LISTJAVASCRIPT
 
     $request->print($result);
 
-    my $studentTable.='&nbsp;<b>Select a student you wish to grade and then click on the Next button.</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 align="right">&nbsp;<b>No.</b></td>'.
@@ -3610,7 +3668,7 @@ LISTJAVASCRIPT
     $studentTable.='<input type="button" '.
 	'onClick="javascript:checkPickOne(this.form);"value="Next->" /></form>'."\n";
 
-    $studentTable.=&show_grading_menu_form($symb,$url);
+    $studentTable.=&show_grading_menu_form($symb);
     $request->print($studentTable);
 
     return '';
@@ -3643,7 +3701,7 @@ sub getSymbMap {
 sub displayPage {
     my ($request) = shift;
 
-    my ($symb,$url) = &get_symb_and_url($request);
+    my ($symb) = &get_symb($request);
     my $cdom      = $env{"course.$env{'request.course.id'}.domain"};
     my $cnum      = $env{"course.$env{'request.course.id'}.num"};
     my $getsec    = $env{'form.section'} eq '' ? 'all' : $env{'form.section'};
@@ -3661,7 +3719,7 @@ sub displayPage {
 
     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));
+	$request->print(&show_grading_menu_form($symb));
 	return;
     }
     my $result='<h3><font color="#339933">&nbsp;'.$env{'form.title'}.'</font></h3>';
@@ -3675,7 +3733,7 @@ sub displayPage {
     my $map = $navmap->getResourceByUrl($resUrl); # add to navmaps
     if (!$map) {
 	$request->print('<font color="red">Unable to view requested sequence. ('.$resUrl.')</font>');
-	$request->print(&show_grading_menu_form($symb,$url));
+	$request->print(&show_grading_menu_form($symb));
 	return; 
     }
     my $iterator = $navmap->getIterator($map->map_start(),
@@ -3687,7 +3745,6 @@ sub displayPage {
 	'<input type="hidden" name="student" value="'.$env{'form.student'}.'" />'."\n".
 	'<input type="hidden" name="page"    value="'.$pageTitle.'" />'."\n".
 	'<input type="hidden" name="title"   value="'.$env{'form.title'}.'" />'."\n".
-	'<input type="hidden" name="url"     value="'.$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";
@@ -3702,6 +3759,7 @@ sub displayPage {
 	'<td align="center"><b>&nbsp;Prob.&nbsp;</b></td>'.
 	'<td><b>&nbsp;'.($env{'form.vProb'} eq 'no' ? 'Title' : 'Problem Text').'/Grade</b></td></tr>';
 
+    &Apache::lonxml::clear_problem_counter();
     my ($depth,$question,$prob) = (1,1,1);
     $iterator->next(); # skip the first BEGIN_MAP
     my $curRes = $iterator->next(); # for "current resource"
@@ -3714,7 +3772,7 @@ sub displayPage {
             my $title = $curRes->compTitle();
 	    my $symbx = $curRes->symb();
 	    $studentTable.='<tr bgcolor="#ffffe6"><td align="center" valign="top" >'.$prob.
-		(scalar(@{$parts}) == 1 ? '' : '<br>('.scalar(@{$parts}).'&nbsp;parts)').'</td>';
+		(scalar(@{$parts}) == 1 ? '' : '<br />('.scalar(@{$parts}).'&nbsp;parts)').'</td>';
 	    $studentTable.='<td valign="top">';
 	    if ($env{'form.vProb'} eq 'yes' ) {
 		$studentTable.=&show_problem($request,$symbx,$uname,$udom,1,
@@ -3725,10 +3783,10 @@ sub displayPage {
 		$companswer =~ s|</form>||g;
 #		while ($companswer =~ /(<a href\=\"javascript:newWindow.*?Script Vars<\/a>)/s) { #<a href="javascript:newWindow</a>
 #		    $companswer =~ s/$1/ /ms;
-#		    $request->print('match='.$1."<br>\n");
+#		    $request->print('match='.$1."<br />\n");
 #		}
 #		$companswer =~ s|<table border=\"1\">|<table border=\"0\">|g;
-		$studentTable.='&nbsp;<b>'.$title.'</b>&nbsp;<br>&nbsp;<b>Correct answer:</b><br>'.$companswer;
+		$studentTable.='&nbsp;<b>'.$title.'</b>&nbsp;<br />&nbsp;<b>Correct answer:</b><br />'.$companswer;
 	    }
 
 	    my %record = &Apache::lonnet::restore($symbx,$env{'request.course.id'},$udom,$uname);
@@ -3775,7 +3833,7 @@ sub displayPage {
 	'<input type="button" value="Save" '.
 	'onClick="javascript:checkSubmitPage(this.form,'.$question.');" TARGET=_self />'.
 	'</form>'."\n";
-    $studentTable.=&show_grading_menu_form($symb,$url);
+    $studentTable.=&show_grading_menu_form($symb);
     $request->print($studentTable);
 
     return '';
@@ -3809,7 +3867,7 @@ sub displaySubByDates {
 	foreach my $partid (@{$parts}) {
 	    my @matchKey = sort(grep /^resource\.\Q$partid\E\..*?\.submission$/,@versionKeys);
 #	    next if ($$record{"$version:resource.$partid.solved"} eq '');
-	    my $display_part=&get_display_part($partid,undef,$symb);
+	    my $display_part=&get_display_part($partid,$symb);
 	    foreach my $matchKey (@matchKey) {
 		if (exists($$record{$version.':'.$matchKey}) &&
 		    $$record{$version.':'.$matchKey} ne '') {
@@ -3871,7 +3929,7 @@ sub updateGradeByPage {
     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'}));
+	$request->print(&show_grading_menu_form($env{'form.symb'}));
 	return;
     }
     my $result='<h3><font color="#339933">&nbsp;'.$env{'form.title'}.'</font></h3>';
@@ -3885,8 +3943,8 @@ sub updateGradeByPage {
     my $map = $navmap->getResourceByUrl($resUrl); # add to navmaps
     if (!$map) {
 	$request->print('<font color="red">Unable to grade requested sequence. ('.$resUrl.')</font>');
-	my ($symb,$url)=&get_symb_and_url($request);
-	$request->print(&show_grading_menu_form($symb,$url));
+	my ($symb)=&get_symb($request);
+	$request->print(&show_grading_menu_form($symb));
 	return; 
     }
     my $iterator = $navmap->getIterator($map->map_start(),
@@ -3911,7 +3969,7 @@ sub updateGradeByPage {
             my $title = $curRes->compTitle();
 	    my $symbx = $curRes->symb();
 	    $studentTable.='<tr bgcolor="#ffffe6"><td align="center" valign="top" >'.$prob.
-		(scalar(@{$parts}) == 1 ? '' : '<br>('.scalar(@{$parts}).'&nbsp;parts)').'</td>';
+		(scalar(@{$parts}) == 1 ? '' : '<br />('.scalar(@{$parts}).'&nbsp;parts)').'</td>';
 	    $studentTable.='<td valign="top">&nbsp;<b>'.$title.'</b>&nbsp;</td>';
 
 	    my %newrecord=();
@@ -3953,15 +4011,14 @@ sub updateGradeByPage {
                         $aggregateflag = 1;
                     }
 		}
-		my $display_part=&get_display_part($partid,undef,
-						   $curRes->symb());
+		my $display_part=&get_display_part($partid,$curRes->symb());
 		my $oldstatus = $env{'form.solved'.$question.'_'.$partid};
 		$displayPts[0].='&nbsp;<b>Part:</b> '.$display_part.' = '.
 		    (($oldstatus eq 'excused') ? 'excused' : $oldpts).
-		    '&nbsp;<br>';
+		    '&nbsp;<br />';
 		$displayPts[1].='&nbsp;<b>Part:</b> '.$display_part.' = '.
 		     (($score eq 'excused') ? 'excused' : $newpts).
-		    '&nbsp;<br>';
+		    '&nbsp;<br />';
 
 		$question++;
 		next if ($dropMenu eq 'reset status' || ($newpts == $oldpts && $score ne 'excused'));
@@ -3993,7 +4050,7 @@ sub updateGradeByPage {
     }
 
     $studentTable.='</td></tr></table></td></tr></table>';
-    $studentTable.=&show_grading_menu_form($env{'form.symb'},$env{'form.url'});
+    $studentTable.=&show_grading_menu_form($env{'form.symb'});
     my $grademsg=($changeflag == 0 ? 'No score was changed or updated.' :
 		  'The scores were changed for '.
 		  $changeflag.' problem'.($changeflag == 1 ? '.' : 's.'));
@@ -4011,10 +4068,9 @@ sub updateGradeByPage {
 #------ start of section for handling grading by page/sequence ---------
 
 sub defaultFormData {
-    my ($symb,$url)=@_;
+    my ($symb)=@_;
     return '
       <input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
-     '<input type="hidden" name="url"     value="'.$url.'" />'."\n".
      '<input type="hidden" name="saveState" value="'.$env{'form.saveState'}.'" />'."\n".
      '<input type="hidden" name="probTitle" value="'.$env{'form.probTitle'}.'" />'."\n";
 }
@@ -4104,11 +4160,11 @@ sub scantron_CODEunique {
 
 sub scantron_selectphase {
     my ($r,$file2grade) = @_;
-    my ($symb,$url)=&get_symb_and_url($r);
+    my ($symb)=&get_symb($r);
     if (!$symb) {return '';}
     my $sequence_selector=&getSequenceDropDown($r,$symb);
-    my $default_form_data=&defaultFormData($symb,$url);
-    my $grading_menu_button=&show_grading_menu_form($symb,$url);
+    my $default_form_data=&defaultFormData($symb);
+    my $grading_menu_button=&show_grading_menu_form($symb);
     my $file_selector=&scantron_uploads($file2grade);
     my $format_selector=&scantron_scantab();
     my $CODE_selector=&scantron_CODElist();
@@ -4148,7 +4204,8 @@ sub scantron_selectphase {
 	    <td> Options: </td>
             <td>
 	       <label><input type="checkbox" name="scantron_options_redo" value="redo_skipped"/> Do only previously skipped records</label> <br />
-               <label><input type="checkbox" name="scantron_options_ignore" value="ignore_corrections"/> Remove all exisiting corrections</label>
+               <label><input type="checkbox" name="scantron_options_ignore" value="ignore_corrections"/> Remove all exisiting corrections</label> <br />
+               <label><input type="checkbox" name="scantron_options_hidden" value="ignore_hidden"/> Skip hidden resources when grading</label>
 	    </td>
           </tr>
           <tr bgcolor="#ffffe6">
@@ -4179,7 +4236,7 @@ SCANTRONFORM
           <tr bgcolor="#ffffe6">
             <td>
 SCANTRONFORM
-    my $default_form_data=&defaultFormData(&get_symb_and_url($r,1));
+    my $default_form_data=&defaultFormData(&get_symb($r,1));
     my $cdom= $env{'course.'.$env{'request.course.id'}.'.domain'};
     my $cnum= $env{'course.'.$env{'request.course.id'}.'.num'};
     $r->print(<<UPLOAD);
@@ -4477,8 +4534,15 @@ sub scantron_find_student {
 
 sub scantron_filter {
     my ($curres)=@_;
-                        # randomout is dysfunctional at best for this purpose
-    if (ref($curres) && $curres->is_problem()) { #&& !$curres->randomout) {
+
+    if (ref($curres) && $curres->is_problem()) {
+	# if the user has asked to not have either hidden
+	# or 'randomout' controlled resources to be graded
+	# don't include them
+	if ($env{'form.scantron_options_hidden'} eq 'ignore_hidden'
+	    && $curres->randomout) {
+	    return 0;
+	}
 	return 1;
     }
     return 0;
@@ -4620,9 +4684,9 @@ STUFF
 
 sub scantron_do_warning {
     my ($r)=@_;
-    my ($symb,$url)=&get_symb_and_url($r);
+    my ($symb)=&get_symb($r);
     if (!$symb) {return '';}
-    my $default_form_data=&defaultFormData($symb,$url);
+    my $default_form_data=&defaultFormData($symb);
     $r->print(&scantron_form_start().$default_form_data);
     if ( $env{'form.selectpage'} eq '' ||
 	 $env{'form.scantron_selectfile'} eq '' ||
@@ -4645,7 +4709,7 @@ $warning
 <input type="hidden" name="command" value="scantron_validate" />
 STUFF
     }
-    $r->print("</form><br />".&show_grading_menu_form($symb,$url)."</body></html>");
+    $r->print("</form><br />".&show_grading_menu_form($symb)."</body></html>");
     return '';
 }
 
@@ -4661,15 +4725,16 @@ sub scantron_form_start {
   <input type="hidden" name="scantron_CODEunique" value="$env{'form.scantron_CODEunique'}" />
   <input type="hidden" name="scantron_options_redo" value="$env{'form.scantron_options_redo'}" />
   <input type="hidden" name="scantron_options_ignore" value="$env{'form.scantron_options_ignore'}" />
+  <input type="hidden" name="scantron_options_hidden" value="$env{'form.scantron_options_hidden'}" />
 SCANTRONFORM
     return $result;
 }
 
 sub scantron_validate_file {
     my ($r) = @_;
-    my ($symb,$url)=&get_symb_and_url($r);
+    my ($symb)=&get_symb($r);
     if (!$symb) {return '';}
-    my $default_form_data=&defaultFormData($symb,$url);
+    my $default_form_data=&defaultFormData($symb);
     
     # do the detection of only doing skipped records first befroe we delete
     # them  when doing the corrections reset
@@ -4695,7 +4760,7 @@ sub scantron_validate_file {
     $r->print("<p>Gathering neccessary info.</p>");$r->rflush();
     #get the student pick code ready
     $r->print(&Apache::loncommon::studentbrowser_javascript());
-    my $max_bubble=&scantron_get_maxbubble($r);
+    my $max_bubble=&scantron_get_maxbubble();
     my $result=&scantron_form_start($max_bubble).$default_form_data;
     $r->print($result);
     
@@ -4737,7 +4802,7 @@ STUFF
 	$r->print("<input type='submit' value='Skip' name='scantron_skip_record' />");
 	$r->print(" this scanline saving it for later.");
     }
-    $r->print(" </form><br />".&show_grading_menu_form($symb,$url).
+    $r->print(" </form><br />".&show_grading_menu_form($symb).
 	      "</body></html>");
     return '';
 }
@@ -4938,7 +5003,7 @@ sub scantron_get_correction {
 #the previous one or the current one
 
     $r->print("<p><b>An error was detected ($error)</b>");
-    if ( defined($$scan_record{'scantron.PaperID'}) ) {
+    if ( $$scan_record{'scantron.PaperID'} =~ /\S/) {
 	$r->print(" for PaperID <tt>".
 		  $$scan_record{'scantron.PaperID'}."</tt> \n");
     } else {
@@ -5019,8 +5084,10 @@ ENDSCRIPT
 	   "&scantron_CODElist=".&Apache::lonnet::escape($env{'form.scantron_CODElist'}).
 	   "&curCODE=".&Apache::lonnet::escape($$scan_record{'scantron.CODE'}).
 	   "&scantron_selectfile=".&Apache::lonnet::escape($env{'form.scantron_selectfile'});
-	$r->print("<label><input type='radio' name='scantron_CODE_resolution' value='use_found' /> <a target='_blank' href='$href'>Select</a> a CODE from the list of all CODEs and use it.</label> Selected CODE is <input readonly='true' type='text' size='8' name='scantron_CODE_selectedvalue' onfocus=\"javascript:change_radio('use_found')\" onchange=\"javascript:change_radio('use_found')\" />");
-	$r->print("\n<br />");
+	if ($env{'form.scantron_CODElist'} =~ /\S/) { 
+	    $r->print("<label><input type='radio' name='scantron_CODE_resolution' value='use_found' /> <a target='_blank' href='$href'>Select</a> a CODE from the list of all CODEs and use it.</label> Selected CODE is <input readonly='true' type='text' size='8' name='scantron_CODE_selectedvalue' onfocus=\"javascript:change_radio('use_found')\" onchange=\"javascript:change_radio('use_found')\" />");
+	    $r->print("\n<br />");
+	}
 	$r->print("<label><input type='radio' name='scantron_CODE_resolution' value='use_typed' /> Use </label><input type='text' size='8' name='scantron_CODE_newvalue' onfocus=\"javascript:change_radio('use_typed')\" onkeypress=\"javascript:change_radio('use_typed')\" /> as the CODE.");
 	$r->print("\n<br /><br />");
     } elsif ($error eq 'doublebubble') {
@@ -5194,28 +5261,29 @@ sub scantron_validate_doublebubble {
     return (0,$currentphase+1);
 }
 
-sub scantron_get_maxbubble {
-    my ($r)=@_;
+sub scantron_get_maxbubble {    
     if (defined($env{'form.scantron_maxbubble'}) &&
 	$env{'form.scantron_maxbubble'}) {
 	return $env{'form.scantron_maxbubble'};
     }
+
     my $navmap=Apache::lonnavmaps::navmap->new();
     my (undef,undef,$sequence)=
 	&Apache::lonnet::decode_symb($env{'form.selectpage'});
+
     my $map=$navmap->getResourceByUrl($sequence);
     my @resources=$navmap->retrieveResources($map,\&scantron_filter,1,0);
-    &Apache::lonnet::delenv('form.counter');
+
+    &Apache::lonxml::clear_problem_counter();
+
     foreach my $resource (@resources) {
-	my $result=&Apache::lonnet::ssi($resource->src().'?symb='.&Apache::lonnet::escape($resource->symb()));
+	my $result=&Apache::lonnet::ssi($resource->src(),
+					('symb' => $resource->symb()));
     }
     &Apache::lonnet::delenv('scantron\.');
-    my $envfile=$env{'user.environment'};
-    $envfile=~/\/([^\/]+)\.id$/;
-    $envfile=$1;
-    &Apache::lonnet::transfer_profile_to_env($r->dir_config('lonIDsDir'),
-					     $envfile);
-    $env{'form.scantron_maxbubble'}=$env{'form.counter'}-1;
+    $env{'form.scantron_maxbubble'} =
+	&Apache::lonxml::get_problem_counter()-1;
+
     return $env{'form.scantron_maxbubble'};
 }
 
@@ -5254,9 +5322,9 @@ sub scantron_validate_missingbubbles {
 sub scantron_process_students {
     my ($r) = @_;
     my (undef,undef,$sequence)=&Apache::lonnet::decode_symb($env{'form.selectpage'});
-    my ($symb,$url)=&get_symb_and_url($r);
+    my ($symb)=&get_symb($r);
     if (!$symb) {return '';}
-    my $default_form_data=&defaultFormData($symb,$url);
+    my $default_form_data=&defaultFormData($symb);
 
     my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
     my ($scanlines,$scan_data)=&scantron_getfile();
@@ -5309,7 +5377,8 @@ SCANTRONFORM
  	    next;
  	}
   	($uname,$udom)=split(/:/,$uname);
-  	&Apache::lonnet::delenv('form.counter');
+
+	&Apache::lonxml::clear_problem_counter();
   	&Apache::lonnet::appenv(%$scan_record);
 	
 	my $i=0;
@@ -5337,7 +5406,7 @@ SCANTRONFORM
 	$completedstudents{$uname}={'line'=>$line};
 	if (&Apache::loncommon::connection_aborted($r)) { last; }
     } continue {
-	&Apache::lonnet::delenv('form.counter');
+	&Apache::lonxml::clear_problem_counter();
 	&Apache::lonnet::delenv('scantron\.');
     }
     &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
@@ -5345,7 +5414,7 @@ SCANTRONFORM
 #    $r->print("<p>took $lasttime</p>");
 
     $r->print("</form>");
-    $r->print(&show_grading_menu_form($symb,$url));
+    $r->print(&show_grading_menu_form($symb));
     return '';
 }
 
@@ -5357,7 +5426,7 @@ sub scantron_upload_scantron_data {
 							  'coursename');
     my $domsel=&Apache::loncommon::select_dom_form($env{'request.role.domain'},
 						   'domainid');
-    my $default_form_data=&defaultFormData(&get_symb_and_url($r,1));
+    my $default_form_data=&defaultFormData(&get_symb($r,1));
     $r->print(<<UPLOAD);
 <script type="text/javascript" language="javascript">
     function checkUpload(formname) {
@@ -5387,7 +5456,7 @@ UPLOAD
 
 sub scantron_upload_scantron_data_save {
     my($r)=@_;
-    my ($symb,$url)=&get_symb_and_url($r,1);
+    my ($symb)=&get_symb($r,1);
     my $doanotherupload=
 	'<br /><form action="/adm/grades" method="post">'."\n".
 	'<input type="hidden" name="command" value="scantronupload" />'."\n".
@@ -5398,7 +5467,7 @@ sub scantron_upload_scantron_data_save {
 			    $env{'form.domainid'}.'_'.$env{'form.courseid'})) {
 	$r->print("You are not allowed to upload Scantron data to the requested course.<br />");
 	if ($symb) {
-	    $r->print(&show_grading_menu_form($symb,$url));
+	    $r->print(&show_grading_menu_form($symb));
 	} else {
 	    $r->print($doanotherupload);
 	}
@@ -5451,7 +5520,7 @@ sub valid_file {
 
 sub scantron_download_scantron_data {
     my ($r)=@_;
-    my $default_form_data=&defaultFormData(&get_symb_and_url($r,1));
+    my $default_form_data=&defaultFormData(&get_symb($r,1));
     my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
     my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
     my $file=$env{'form.scantron_selectfile'};
@@ -5461,7 +5530,7 @@ sub scantron_download_scantron_data {
 	    The requested file name was invalid.
         </p>
 ERROR
-	$r->print(&show_grading_menu_form(&get_symb_and_url($r,1)));
+	$r->print(&show_grading_menu_form(&get_symb($r,1)));
 	return;
     }
     my $orig='/uploaded/'.$cdom.'/'.$cname.'/scantron_orig_'.$file;
@@ -5481,7 +5550,7 @@ ERROR
 	<a href="$skipped">Skipped</a>, a file of records that were skipped.
     </p>
 DOWNLOAD
-    $r->print(&show_grading_menu_form(&get_symb_and_url($r,1)));
+    $r->print(&show_grading_menu_form(&get_symb($r,1)));
     return '';
 }
 
@@ -5493,10 +5562,9 @@ DOWNLOAD
 #
 #--- Show a Grading Menu button - Calls the next routine ---
 sub show_grading_menu_form {
-    my ($symb,$url)=@_;
+    my ($symb)=@_;
     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".
 	'<input type="hidden" name="command" value="gradingmenu" />'."\n".
 	'<input type="submit" name="submit" value="Grading Menu" />'."\n".
@@ -5519,7 +5587,7 @@ sub savedState {
 #--- Displays the main menu page -------
 sub gradingmenu {
     my ($request) = @_;
-    my ($symb,$url)=&get_symb_and_url($request);
+    my ($symb)=&get_symb($request);
     if (!$symb) {return '';}
     my $probTitle = &Apache::lonnet::gettitle($symb);
 
@@ -5561,7 +5629,7 @@ sub gradingmenu {
 GRADINGMENUJS
     &commonJSfunctions($request);
     my $result='<h3>&nbsp;<font color="#339933">Manual Grading/View Submission</font></h3>';
-    my ($table,undef,$hdgrade) = &showResourceInfo($url,$probTitle);
+    my ($table,undef,$hdgrade) = &showResourceInfo($symb,$probTitle);
     $result.=$table;
     my (undef,$sections) = &getclasslist('all','0');
     my $savedState = &savedState();
@@ -5572,7 +5640,6 @@ GRADINGMENUJS
 
     $result.='<form action="/adm/grades" method="post" name="gradingMenu">'."\n".
 	'<input type="hidden" name="symb"        value="'.$symb.'" />'."\n".
-	'<input type="hidden" name="url"         value="'.$url.'" />'."\n".
 	'<input type="hidden" name="handgrade"   value="'.$hdgrade.'" />'."\n".
 	'<input type="hidden" name="probTitle"   value="'.$probTitle.'" />'."\n".
 	'<input type="hidden" name="command"     value="" />'."\n".
@@ -5580,12 +5647,12 @@ GRADINGMENUJS
 	'<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 colspan="2">'."\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" valign="top"><td>'."\n";
 
-    $result.='<table width="100%" border=0>';
+    $result.='<table width="100%" border="0">';
     $result.='<tr bgcolor="#ffffe6" valign="top"><td>'."\n".
 	'&nbsp;'.&mt('Select Section').': <select name="section">'."\n";
     if (ref($sections)) {
@@ -5602,27 +5669,27 @@ GRADINGMENUJS
 
     $result.='<tr bgcolor="#ffffe6"valign="top"><td><label>'.
 	'<input type="radio" name="radioChoice" value="submission" '.
-	($saveCmd eq 'submission' ? 'checked' : '').'> '.'<b>'.&mt('Current Resource').':</b> '.&mt('For one or more students').
+	($saveCmd eq 'submission' ? 'checked' : '').' /> '.'<b>'.&mt('Current Resource').':</b> '.&mt('For one or more students').
 	'</label> <select name="submitonly">'.
 	'<option value="yes" '.
-	($saveSub eq 'yes' ? 'selected="on"' : '').'>'.&mt('with submissions').'</option>'.
+	($saveSub eq 'yes' ? 'selected="on"' : '').' />'.&mt('with submissions').'</option>'.
 	'<option value="queued" '.
-	($saveSub eq 'queued' ? 'selected="on"' : '').'>'.&mt('in grading queue').'</option>'.
+	($saveSub eq 'queued' ? 'selected="on"' : '').' />'.&mt('in grading queue').'</option>'.
 	'<option value="graded" '.
-	($saveSub eq 'graded' ? 'selected="on"' : '').'>'.&mt('with ungraded submissions').'</option>'.
+	($saveSub eq 'graded' ? 'selected="on"' : '').' />'.&mt('with ungraded submissions').'</option>'.
 	'<option value="incorrect" '.
-	($saveSub eq 'incorrect' ? 'selected="on"' : '').'>'.&mt('with incorrect submissions').'</option>'.
+	($saveSub eq 'incorrect' ? 'selected="on"' : '').' />'.&mt('with incorrect submissions').'</option>'.
 	'<option value="all" '.
-	($saveSub eq 'all' ? 'selected="on"' : '').'>'.&mt('with any status').'</option></select></td></tr>'."\n";
+	($saveSub eq 'all' ? 'selected="on"' : '').' />'.&mt('with any status').'</option></select></td></tr>'."\n";
 
     $result.='<tr bgcolor="#ffffe6"valign="top"><td>'.
 	'<label><input type="radio" name="radioChoice" value="viewgrades" '.
-	($saveCmd eq 'viewgrades' ? 'checked' : '').'> '.
+	($saveCmd eq 'viewgrades' ? 'checked' : '').' /> '.
 	'<b>Current Resource:</b> For all students in selected section or course</label></td></tr>'."\n";
 
     $result.='<tr bgcolor="#ffffe6" valign="top"><td>'.
 	'<label><input type="radio" name="radioChoice" value="pickStudentPage" '.
-	($saveCmd eq 'pickStudentPage' ? 'checked' : '').'> '.
+	($saveCmd eq 'pickStudentPage' ? 'checked' : '').' /> '.
 	'The <b>complete</b> set/page/sequence: For one student</label></td></tr>'."\n";
 
     $result.='<tr bgcolor="#ffffe6"><td><br />'.
@@ -5631,7 +5698,7 @@ GRADINGMENUJS
 
     $result.='</td><td valign="top">';
 
-    $result.='<table width="100%" border=0>';
+    $result.='<table width="100%" border="0">';
     $result.='<tr bgcolor="#ffffe6"><td>'.
 	'<input type="button" onClick="javascript:checkChoice(this.form,\'3\',\'csvform\');" value="'.&mt('Upload').'" />'.
 	' '.&mt('scores from file').' </td></tr>'."\n";
@@ -5645,7 +5712,7 @@ GRADINGMENUJS
 	    '<input type="button" onClick="javascript:checkChoice(this.form,\'5\',\'verify\');" value="'.&mt('Verify').'" />'.
 	    ' '.&mt('receipt').': '.
 	    &Apache::lonnet::recprefix($env{'request.course.id'}).
-	    '-<input type="text" name="receipt" size="4" onChange="javascript:checkReceiptNo(this.form,\'OK\')">'.
+	    '-<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">'.
@@ -5695,20 +5762,14 @@ sub handler {
     $request->send_http_header;
     return '' if $request->header_only;
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
-    my $url=$env{'form.url'};
-    my $symb=$env{'form.symb'};
+    my $symb=&get_symb($request,1);
     my @commands=&Apache::loncommon::get_env_multiple('form.command');
     my $command=$commands[0];
     if ($#commands > 0) {
 	&Apache::lonnet::logthis("grades got multiple commands ".join(':',@commands));
     }
-    if (!$url) {
-	my ($temp1,$temp2);
-	($temp1,$temp2,$env{'form.url'})=&Apache::lonnet::decode_symb($symb);
-	$url = $env{'form.url'};
-    }
     &send_header($request);
-    if ($url eq '' && $symb eq '' && $command eq '') {
+    if ($symb eq '' && $command eq '') {
 	if ($env{'user.adv'}) {
 	    if (($env{'form.codeone'}) && ($env{'form.codetwo'}) &&
 		($env{'form.codethree'})) {