--- loncom/homework/grades.pm	2006/02/28 02:47:30	1.323
+++ loncom/homework/grades.pm	2006/03/08 21:56:49	1.329
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Grading handler
 #
-# $Id: grades.pm,v 1.323 2006/02/28 02:47:30 banghart Exp $
+# $Id: grades.pm,v 1.329 2006/03/08 21:56:49 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -49,7 +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) {
@@ -79,7 +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)));
@@ -89,7 +90,7 @@ sub get_symb_and_url {
 	    return ();
 	}
     }
-    return ($symb,$url);
+    return ($symb);
 }
 
 #--- Format fullname, username:domain if different for display
@@ -107,8 +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 $partid (&Apache::loncommon::get_env_multiple('form.vPart')) {
@@ -136,15 +137,11 @@ sub response_type {
 	    push @partlist,$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 $partID</font>)";
@@ -157,13 +154,13 @@ sub get_display_part {
 #--- Show resource title
 #--- and parts and response type
 sub showResourceInfo {
-    my ($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;
@@ -181,7 +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>';
@@ -430,7 +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) {
@@ -447,7 +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".
@@ -457,7 +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".
@@ -556,15 +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');
@@ -572,7 +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{$b})) {
@@ -600,7 +592,7 @@ sub verifyreceipt {
     if ($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".
@@ -614,7 +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.
@@ -624,7 +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'};
@@ -637,7 +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'));
 
     $request->print(<<LISTJAVASCRIPT);
 <script type="text/javascript" language="javascript">
@@ -703,7 +695,6 @@ LISTJAVASCRIPT
 	'<input type="hidden" name="showgrading" value="'.$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";
 
@@ -736,7 +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>';
 	    }
@@ -772,7 +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 $incorrect = 0;
@@ -854,7 +845,7 @@ LISTJAVASCRIPT
     } elsif ($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 '';
 }
@@ -1273,7 +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\\">");
@@ -1308,7 +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();
@@ -1377,7 +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\\">");
@@ -1401,7 +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();
@@ -1423,7 +1414,7 @@ sub gradeBox {
     my $score  = ($$record{'resource.'.$partid.'.awarded'} eq '' ?
 		  '' : &compute_points($$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'};
@@ -1477,8 +1468,7 @@ sub gradeBox {
 
 sub handback_box {
     my ($symb,$uname,$udom,$counter,$partid,$record) = @_;
-    my ($map,$resid,$url) = &Apache::lonnet::decode_symb($symb);
-    my ($partlist,$handgrade,$responseType) = &response_type($url,$symb);
+    my ($partlist,$handgrade,$responseType) = &response_type($symb);
     my (@respids);
     foreach my $part_resp (sort(keys(%$handgrade))) {
         my ($part,$resp) = split(/_/,$part_resp);
@@ -1507,6 +1497,7 @@ sub handback_box {
 sub show_problem {
     my ($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'});
@@ -1518,6 +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,
 						    $env{'request.course.id'});
     }
@@ -1554,20 +1546,19 @@ sub show_problem {
 sub submission {
     my ($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;
     }
 
@@ -1605,6 +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));
 	}
 	
@@ -1637,14 +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') {
@@ -1686,7 +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);
 	    $apath=~s/\W/\_/gs;
@@ -1704,16 +1695,17 @@ KEYWORDS
 	} elsif ($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.
@@ -1794,7 +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;
@@ -1838,7 +1830,7 @@ 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;';
@@ -1864,7 +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,
@@ -1884,7 +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;
@@ -1967,7 +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 '';
@@ -2015,8 +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'};
@@ -2027,7 +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') {
 		$ctr++;
 		next;
@@ -2053,9 +2045,9 @@ sub processHandGrade {
 		    &Apache::lonnet::clutter($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).': '.
 				$msgstatus);
 	    }
@@ -2065,7 +2057,7 @@ sub processHandGrade {
 		    my ($part,@collaborators) = split(/:/,$collabstr);
 		    foreach my $collaborator (@collaborators) {
 			my ($errorflag,$pts,$wgt) = 
-			    &saveHandGrade($request,$url,$symb,$collaborator,$udom,$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 $collaborator:$udom</font>");
@@ -2143,7 +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};
@@ -2181,7 +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);
@@ -2195,7 +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;
@@ -2234,7 +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 '';
@@ -2242,7 +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'});
@@ -2286,7 +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 '') {
@@ -2325,17 +2317,24 @@ sub saveHandGrade {
 	    $newrecord{'resource.'.$new_part.'.regrader'}=
 		"$env{'user.name'}:$env{'user.domain'}";
 	}
-	my ($partlist,$handgrade,$responseType) = &response_type($url,$symb);
+	my ($partlist,$handgrade,$responseType) = &response_type($symb);
 	foreach my $part_resp (sort(keys(%$handgrade))) {
 	    my ($part_id, $resp_id) = split(/_/,$part_resp);
-	    &Apache::lonnet::logthis('form.'.$newflg.'_'.$part_resp.'_returndoc1');
-	    &Apache::lonnet::logthis("new part is $new_part and partid is $part_id");
             if (($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});
                     $file_counter++;
@@ -2725,7 +2724,7 @@ sub viewgrades {
     my ($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(
@@ -2737,12 +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="'.$env{'form.saveState'}.'" />'."\n".
@@ -2762,7 +2760,7 @@ sub viewgrades {
 	'<table border=0><tr bgcolor="#ffffdd"><td>';
     #radio buttons/text box for assigning points for a section or class.
     #handles different parts of a problem
-    my ($partlist,$handgrade) = &response_type($url,$symb);
+    my ($partlist,$handgrade) = &response_type($symb);
     my %weight = ();
     my $ctsparts = 0;
     $result.='<table border="0">';
@@ -2779,7 +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;
@@ -2815,7 +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,$part.'.display');
@@ -2823,7 +2822,7 @@ sub viewgrades {
 	if  (!$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";
@@ -2851,7 +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>';
@@ -2863,13 +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 = (); 
@@ -2937,8 +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";
@@ -2962,7 +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};
@@ -2970,6 +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>';
@@ -2987,7 +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>';
@@ -3127,7 +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 />';
@@ -3230,7 +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();
@@ -3238,14 +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: $distotal <hr />
 Enter as many fields as you can. The system will inform you and bring you back
@@ -3260,7 +3259,6 @@ to this page if the data selected is ins
 <input type="hidden" name="upfile_associate" 
                                        value="$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" />
@@ -3274,11 +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');
@@ -3321,14 +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";
@@ -3337,7 +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'}" />
@@ -3348,14 +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 $datatoken;
@@ -3367,10 +3365,10 @@ sub csvuploadmap {
     }
     my @records=&Apache::loncommon::upfile_record_sep();
     if ($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);
@@ -3392,14 +3390,14 @@ sub csvuploadmap {
 	}
     }
     &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);
@@ -3437,7 +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 '';
 }
 
@@ -3460,7 +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();
@@ -3550,7 +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) {
@@ -3558,7 +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 ---------
@@ -3588,7 +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' : $env{'form.section'};
@@ -3610,7 +3608,7 @@ LISTJAVASCRIPT
 	    '>'.$showtitle.'</option>'."\n";
 	$ctr++;
     }
-    $result.= '</select>'."<br>\n";
+    $result.= '</select>'."<br />\n";
     $ctr=0;
     foreach (@$titles) {
 	my ($minder,$showtitle) = ($_ =~ /(\d+)\.(.*)/);
@@ -3632,7 +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";
 
@@ -3641,7 +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>'.
@@ -3671,7 +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 '';
@@ -3704,7 +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'};
@@ -3722,7 +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>';
@@ -3736,7 +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(),
@@ -3748,7 +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";
@@ -3763,6 +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"
@@ -3775,7 +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,
@@ -3786,10 +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);
@@ -3836,7 +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 '';
@@ -3870,7 +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 '') {
@@ -3932,7 +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>';
@@ -3946,8 +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(),
@@ -3972,7 +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=();
@@ -4014,15 +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'));
@@ -4054,7 +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.'));
@@ -4072,10 +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";
 }
@@ -4165,11 +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();
@@ -4240,7 +4235,7 @@ 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);
@@ -4681,9 +4676,9 @@ 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 '' ||
@@ -4706,7 +4701,7 @@ $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 '';
 }
 
@@ -4728,9 +4723,9 @@ SCANTRONFORM
 
 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
@@ -4798,7 +4793,7 @@ 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 '';
 }
@@ -5315,9 +5310,9 @@ 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();
@@ -5406,7 +5401,7 @@ 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 '';
 }
 
@@ -5418,7 +5413,7 @@ 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) {
@@ -5448,7 +5443,7 @@ 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".
@@ -5459,7 +5454,7 @@ 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);
 	}
@@ -5512,7 +5507,7 @@ 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'};
@@ -5522,7 +5517,7 @@ 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;
@@ -5542,7 +5537,7 @@ 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 '';
 }
 
@@ -5554,10 +5549,9 @@ 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".
@@ -5580,7 +5574,7 @@ 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);
 
@@ -5622,7 +5616,7 @@ 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();
@@ -5633,7 +5627,6 @@ 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".
@@ -5641,12 +5634,12 @@ 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)) {
@@ -5663,27 +5656,27 @@ 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 />'.
@@ -5692,7 +5685,7 @@ GRADINGMENUJS
 
     $result.='</td><td valign="top">';
 
-    $result.='<table width="100%" border=0>';
+    $result.='<table width="100%" border="0">';
     $result.='<tr bgcolor="#ffffe6"><td>'.
 	'<input type="button" onClick="javascript:checkChoice(this.form,\'3\',\'csvform\');" value="'.&mt('Upload').'" />'.
 	' '.&mt('scores from file').' </td></tr>'."\n";
@@ -5706,7 +5699,7 @@ GRADINGMENUJS
 	    '<input type="button" onClick="javascript:checkChoice(this.form,\'5\',\'verify\');" value="'.&mt('Verify').'" />'.
 	    ' '.&mt('receipt').': '.
 	    &Apache::lonnet::recprefix($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">'.
@@ -5756,20 +5749,14 @@ 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'})) {