Diff for /loncom/homework/grades.pm between versions 1.12 and 1.40

version 1.12, 2001/08/06 16:37:58 version 1.40, 2002/07/19 20:42:18
Line 1 Line 1
 # The LON-CAPA grading handler.  # The LearningOnline Network with CAPA
   # The LON-CAPA Grading handler
 #  #
 # Handles the viewing of grades.  # $Id$
 #  #
 # YEAR=2001  # Copyright Michigan State University Board of Trustees
 # 2/7,2/9,2/13,4/16,4/17,5/1 Guy Albertelli  #
   # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
   #
   # LON-CAPA is free software; you can redistribute it and/or modify
   # it under the terms of the GNU General Public License as published by
   # the Free Software Foundation; either version 2 of the License, or
   # (at your option) any later version.
   #
   # LON-CAPA is distributed in the hope that it will be useful,
   # but WITHOUT ANY WARRANTY; without even the implied warranty of
   # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   # GNU General Public License for more details.
   #
   # You should have received a copy of the GNU General Public License
   # along with LON-CAPA; if not, write to the Free Software
   # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   #
   # /home/httpd/html/adm/gpl.txt
   #
   # http://www.lon-capa.org/
   #
   # 2/9,2/13 Guy Albertelli
 # 6/8 Gerd Kortemeyer  # 6/8 Gerd Kortemeyer
 # 7/26 Guy Albertelli  # 7/26 H.K. Ng
 # 7/27 H.K. Ng  # 8/20 Gerd Kortemeyer
 # 7/30 Guy Albertelli  # Year 2002
 # 8/6 Scott Harrison  # June, July 2002 H.K. Ng
   #
   
 package Apache::grades;  package Apache::grades;
 use strict;  use strict;
Line 17  use Apache::lonxml; Line 40  use Apache::lonxml;
 use Apache::lonnet;  use Apache::lonnet;
 use Apache::loncommon;  use Apache::loncommon;
 use Apache::lonhomework;  use Apache::lonhomework;
   use Apache::lonmsg qw(:user_normal_msg);
 use Apache::Constants qw(:common);  use Apache::Constants qw(:common);
   #use Time::HiRes qw( gettimeofday tv_interval );
   
 # ======================================================== Get more information  
 sub moreinfo {  sub moreinfo {
     my ($request,$reason) = @_;    my ($request,$reason) = @_;
     $request->print("Unable to process request: $reason");    $request->print("Unable to process request: $reason");
     if ( $Apache::grades::viewgrades eq 'F' ) {    if ( $Apache::grades::viewgrades eq 'F' ) {
  $request->print('<form action="/adm/grades" method="post">'."\n");      $request->print('<form action="/adm/grades" method="post">'."\n");
  $request->print('<input type="hidden" name="url" value="'.      if ($ENV{'form.url'}) {
  $ENV{'form.url'}.'"></input>'."\n");        $request->print('<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />'."\n");
  $request->print('<input type="hidden" name="command" value="'.      }
  $ENV{'form.command'}.'"></input>'."\n");      if ($ENV{'form.symb'}) {
  $request->print("Student:".        $request->print('<input type="hidden" name="symb" value="'.$ENV{'form.symb'}.'" />'."\n");
  '<input type="text" name="student" value="'.      }
  $ENV{'form.student'}.'"></input>'."<br />\n");  #    $request->print('<input type="hidden" name="command" value="submission" />'."\n");
  $request->print("Domain:".      $request->print('<input type="hidden" name="command" value="'.$ENV{'form.command'}.'" />'."\n");
  '<input type="text" name="domain" value="'.      $request->print("Student:".'<input type="text" name="student" value="'.$ENV{'form.student'}.'" />'."<br />\n");
  $ENV{'user.domain'}.'"></input>'."<br />\n");      $request->print("Domain:".'<input type="text" name="domain" value="'.$ENV{'user.domain'}.'" />'."<br />\n");
  $request->print('<input type="submit" name="submit" '.      $request->print('<input type="submit" name="submit" value="ReSubmit" />'."<br />\n");
  'value="ReSubmit"></input>'."<br />\n");      $request->print('</form>');
  $request->print('</form>');    }
     return '';
   }
   
   sub verifyreceipt {
       my $request=shift;
       my $courseid=$ENV{'request.course.id'};
   #    my $cdom=$ENV{"course.$courseid.domain"};
   #    my $cnum=$ENV{"course.$courseid.num"};
       my $receipt=unpack("%32C*",$Apache::lonnet::perlvar{'lonHostID'}).'-'.
                   $ENV{'form.receipt'};
       $receipt=~s/[^\-\d]//g;
       my $symb=$ENV{'form.symb'};
       unless ($symb) {
    $symb=&Apache::lonnet::symbread($ENV{'form.url'});
       }
       if ((&Apache::lonnet::allowed('mgr',$courseid)) && ($symb)) {
           $request->print('<h1>Verifying Submission Receipt '.$receipt.'</h1>');
           my $matches=0;
           my ($classlist) = &getclasslist('all','0');
           foreach my $student ( sort(@{ $$classlist{'all'} }) ) {
               my ($uname,$udom)=split(/\:/,$student);
               if ($receipt eq 
                &Apache::lonnet::ireceipt($uname,$udom,$courseid,$symb)) {
                  $request->print('Matching '.$student.'<br>');
                  $matches++;
      }
           }
           $request->printf('<p>'.$matches." match%s</p>",$matches <= 1 ? '' : 'es');
   # needs to print who is matched
     }      }
     return '';      return '';
 }  }
   
 # ========================================= Displays the class list of students  sub student_gradeStatus {
 sub listStudents {     my ($url,$udom,$uname,$partlist) = @_;
     my ($request) = shift;     my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));
     my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});     my %record= &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);
     my $chome = $ENV{"course.$ENV{'request.course.id'}.home"};     my %partstatus = ();
     $request->print ("Found $cdom:$cnum:$chome<br />");     foreach (@$partlist) {
     my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');        my ($status,$foo)=split(/_/,$record{"resource.$_.solved"},2);
     foreach my $student ( sort(@{ $classlist{'allids'} }) ) {        $status = 'nothing' if ($status eq '');
  my ($sname,$sdom) = split(/:/,$student);        $partstatus{$_} = $status;
  my $reply = &Apache::lonnet::reply('get:'.$sdom.':'.$sname.     }
     ':environment:lastname&generation&firstname&middle'.     return %partstatus;
     'name',&Apache::lonnet::homeserver($sname,$sdom));  }
  print "reply=$reply<br>";  
  my (@nameparts) = split /&/,$reply;  sub get_fullname {
 #        my $sfullname = $Apache::lonnet::unescape($nameparts[0]);      my ($uname,$udom) = @_;
  if ( $Apache::grades::viewgrades eq 'F' ) {      my %name=&Apache::lonnet::get('environment', ['lastname','generation',
     $request->print('<form action="/adm/grades" method="post">'."\n");    'firstname','middlename'],
     $request->print("$sname @nameparts\n");    $udom,$uname);
     $request->print('<input type="hidden" name="url" value="'.      my $fullname;
     $ENV{'form.url'}.'"></input>'."\n");      my ($tmp) = keys(%name);
     $request->print('<input type="hidden" name="command" value="'.      if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
     $ENV{'form.command'}.'"></input>'."\n");   $fullname=$name{'lastname'}.$name{'generation'};
     $request->print('<input type="hidden" name="student" '.   if ($fullname =~ /[^\s]+/) { $fullname.=', '; }
     'value="'.$sname.'"></input>'."\n");   $fullname.=$name{'firstname'}.' '.$name{'middlename'};
     $request->print('<input type="hidden" name="domain" '.  
     'value="'.$sdom.'"></input>'."\n");  
     $request->print('<input type="submit" name="submit" '.  
     'value="View"></input>'."<br />\n");  
     $request->print('</form>');  
  }  
     }      }
       return $fullname;
   }
   
   sub response_type {
      my ($url) = shift;
      my $allkeys = &Apache::lonnet::metadata($url,'keys');
      my %seen = ();
      my (@partlist,%handgrade);
      foreach (split(/,/,&Apache::lonnet::metadata($url,'packages'))) {
         if (/^\w+response_\d{1,2}.*/) {
    my ($responsetype,$part) = split(/_/,$_,2);
    my ($partid,$respid) = split(/_/,$part);
    $handgrade{$part} = $responsetype.':'.($allkeys =~ /parameter_$part\_handgrade/ ? 'yes' : 'no');
    next if ($seen{$partid} > 0);
    $seen{$partid}++;
    push @partlist,$partid;
         }
      }
      return \@partlist,\%handgrade;
   }
   
   
   sub listStudents {
     my ($request) = shift;
     my $cdom      =$ENV{"course.$ENV{'request.course.id'}.domain"};
     my $cnum      =$ENV{"course.$ENV{'request.course.id'}.num"};
     my $getsec    =$ENV{'form.section'};
     my $submitonly=$ENV{'form.submitonly'};
   
     my $result='<h2><font color="#339933">&nbsp;View Submissions for a Student or a Group of Students</font></h2>';
     $result.='<table border="0">';
     $result.='<tr><td colspan=3><font size=+1><b>Resource: </b>'.$ENV{'form.url'}.'</font></td></tr>';
     my ($partlist,$handgrade) = &response_type($ENV{'form.url'});
     for (sort keys(%$handgrade)) {
         my ($responsetype,$handgrade)=split(/:/,$$handgrade{$_});
         $result.='<tr><td><b>Part id: </b>'.$_.'</td>'.
     '<td><b>Type: </b>'.$responsetype.'</td>'.
     '<td><b>Handgrade: </b>'.$handgrade.'</font></td></tr>';
     }
     $result.='</table>';
     $request->print($result);
   
     $request->print(<<ENDTABLEST);
   <form action="/adm/grades" method="post">
   &nbsp;<b>View Problem: </b><input type="radio" name="vProb" value="no" checked> no 
   <input type="radio" name="vProb" value="yes"> yes <br />
   &nbsp;<b>Submissions: </b>
   <input type="radio" name="lastSub" value="hdgrade" checked /> handgrade only
   <input type="radio" name="lastSub" value="lastonly" /> last sub only
   <input type="radio" name="lastSub" value="last" /> last sub & parts info
   <input type="radio" name="lastSub" value="all" /> all details
   <input type="hidden" name="section" value="$getsec" />
   <input type="hidden" name="submitonly" value="$submitonly" />
   <input type="hidden" name="response" value="$ENV{'form.response'}" />
   <input type="hidden" name="handgrade" value="$ENV{'form.handgrade'}" />
   <input type="submit" name="submit" value="View/Grade" />
   ENDTABLEST
     if ($ENV{'form.url'}) {
         $request->print('<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />'."\n");
     }
     if ($ENV{'form.symb'}) {
         $request->print('<input type="hidden" name="symb" value="'.$ENV{'form.symb'}.'" />'."\n");
     }
     $request->print('<input type="hidden" name="command" value="processGroup" />'."\n");
   
     my ($classlist,$seclist,$ids,$stusec,$fullname) = &getclasslist($getsec,'0');
   
     $result='<table border="0"><tr><td bgcolor="#777777">'.
         '<table border="0"><tr bgcolor="#e6ffff">'.
         '<td><b>&nbsp;Select&nbsp;</b></td><td><b>&nbsp;Username&nbsp;</b></td>'.
         '<td><b>&nbsp;Fullname&nbsp;</b></td><td><b>&nbsp;Domain&nbsp;</b></td>';
     foreach (sort(@$partlist)) {
         $result.='<td><b>&nbsp;Part ID '.$_.' Status&nbsp;</b></td>';
     }
     $request->print($result.'</tr>'."\n");
   
     foreach my $student (sort(@{ $$classlist{$getsec} }) ) {
         my ($uname,$udom) = split(/:/,$student);
         my (%status) = &student_gradeStatus($ENV{'form.url'},$udom,$uname,$partlist);
         my $statusflg = '';
         foreach (keys(%status)) {
     $statusflg = 1 if ($status{$_} ne 'nothing');
         }
         next if ($statusflg eq '' && $submitonly eq 'yes');
   
         if ( $Apache::grades::viewgrades eq 'F' ) {
     $result='<tr bgcolor="#ffffe6">'.
         '<td align="center"><input type=checkbox name="stuinfo" value="'.
         $student.':'.$$fullname{$student}.'"></td>'."\n".
         '<td>&nbsp;'.$uname.'&nbsp;</td>'."\n".
         '<td>&nbsp;'.$$fullname{$student}.'&nbsp;</td>'."\n".
         '<td align="middle">&nbsp;'.$udom.'&nbsp;</td>'."\n";
   
     foreach (sort keys(%status)) {
         $result.='<td align="middle">&nbsp;'.$status{$_}.'&nbsp;</td>'."\n";
     }
     $request->print($result.'</tr>'."\n");
         }
     }
     $request->print('</table></td></tr></table>');
     $request->print('<input type="submit" name="submit" value="View/Grade" /><form />');
   }
   
   sub processGroup {
     my ($request)  = shift;
     my $ctr        = 0;
     my @stuchecked = (ref($ENV{'form.stuinfo'}) ? @{$ENV{'form.stuinfo'}}
                              : ($ENV{'form.stuinfo'}));
     my $total      = scalar(@stuchecked)-1;
     if ($stuchecked[0] eq '') {
         &userError($request,'No student was selected for viewing/grading.');
         return;
     }
     foreach (@stuchecked) {
         my ($uname,$udom,$fullname) = split(/:/);
         $ENV{'form.student'} = $uname;
         $ENV{'form.fullname'} = $fullname;
         &submission($request,$ctr,$total);
         $ctr++;
     }
     return '';
   }
   
   sub userError {
       my ($request, $reason, $step) = @_;
       $request->print('<h3><font color="red">LON-CAPA User Error</font></h3><br />'."\n");
       $request->print('<b>Reason: </b>'.$reason.'<br /><br />'."\n");
       $request->print('<b>Step: </b>'.($step ne '' ? $step : 'Use your browser back button to correct')
       .'<br /><br />'."\n");
       return '';
 }  }
   
 # ========== Finds a user based on a name substring (returns a 2 element array)  
 #FIXME - needs to handle multiple matches  #FIXME - needs to handle multiple matches
 sub finduser {  sub finduser {
     my ($name) = @_;    my ($name) = @_;
     my $domain = '';    my $domain = '';
     if ( $Apache::grades::viewgrades eq 'F' ) {    if ( $Apache::grades::viewgrades eq 'F' ) {
  #get classlist      my ($classlist) = &getclasslist('all','0');
  my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});      foreach ( sort(@{ $$classlist{'all'} }) ) {
  my $chome = $ENV{"course.$ENV{'request.course.id'}.home"};        my ($posname,$posdomain) = split(/:/);
  #print "Found $cdom:$cnum:$chome<br />";        if ($posname =~ $name) { $name=$posname; $domain=$posdomain; last; }
  my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');  
  foreach my $student ( sort(@{ $classlist{'allids'} }) ) {  
     my ($posname,$posdomain) = split(/:/,$student);  
     if ($posname =~ $name) {   
  $name = $posname;  
  $domain = $posdomain;  
  last;  
     }  
  }  
  return ($name,$domain);  
     } else {  
  return ($ENV{'user.name'},$ENV{'user.domain'});  
     }      }
       return ($name,$domain);
     } else {
       return ($ENV{'user.name'},$ENV{'user.domain'});
     }
 }  }
   
 # ===================================== Gets a class list (returns a hash list)  
 sub getclasslist {  sub getclasslist {
     my ($coursedomain,$coursenum,$coursehome,$hideexpired) = @_;     my ($getsec,$hideexpired) = @_;
     my $classlist = &Apache::lonnet::reply('dump:'.$coursedomain.':'.     my %classlist=&Apache::lonnet::dump('classlist',
  $coursenum.':classlist',$coursehome);         $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
     my %classlist = ();         $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
     my $now = time;     my $now = time;
     foreach my $record (split /&/, $classlist) {     my (@holdsec,@sections,%allids,%stusec,%fullname);
  my ($name,$value)=split(/=/,&Apache::lonnet::unescape($record));     foreach (keys(%classlist)) {
  my ($end,$start)=split(/:/,$value);         my ($end,$start,$id,$section,$fullname)=split(/:/,$classlist{$_});
  # still a student?         # still a student?
  if (($hideexpired) && ($end) && ($end < $now)) {         if (($hideexpired) && ($end) && ($end < $now)) {
     print "Skipping:$name:$end:$now<br />\n";     next;
     next;         }
  }         $section = ($section ne '' ? $section : 'no');
  print "record=$record<br>";         push @holdsec,$section;
  push( @{ $classlist{'allids'} }, $name);          if ($getsec eq 'all' || $getsec eq $section) {
     }     push (@{ $classlist{$getsec} }, $_);
     return (%classlist);     $allids{$_}=$id;
      $stusec{$_}=$section;
      $fullname{$_}=$fullname;
          }
      }
      my %seen = ();
      foreach my $item (@holdsec) {
          push (@sections, $item) unless $seen{$item}++;
      }
      return (\%classlist,\@sections,\%allids,\%stusec,\%fullname);
 }  }
   
 # ============================== Get parts of a stored value (returns an array)  
 sub getpartlist {  sub getpartlist {
     my ($url) = @_;    my ($url) = @_;
     my @parts =();    my @parts =();
     my (@metakeys) = split(/,/,&Apache::lonnet::metadata($url,'keys'));    my (@metakeys) = split(/,/,&Apache::lonnet::metadata($url,'keys'));
     foreach my $key (@metakeys) {    foreach my $key (@metakeys) {
  if ( $key =~ m/stores_([0-9]+)_.*/ ) {      if ( $key =~ m/stores_([0-9]+)_.*/) {
     push(@parts,$key);        push(@parts,$key);
  }  
     }      }
     return @parts;    }
     return @parts;
 }  }
   
 # =================================== Displays student grade (returns a string)  
 sub viewstudentgrade {  sub viewstudentgrade {
     my ($url,$symb,$courseid,$student,@parts) = @_;    my ($url,$symb,$courseid,$student,@parts) = @_;
     my $result = '';    my $cellclr = '"#ffffdd"';
     my $cellclr = '"#ffffdd"';    my ($username,$domain) = split(/:/,$student);
     my ($stuname,$domain) = split(/:/,$student);  
     my %record = &Apache::lonnet::restore($symb,$courseid,$domain,$stuname);    my $fullname = &get_fullname($username,$domain);
     $result .= "<tr><td bgcolor=$cellclr>$stuname</td><td bgcolor=".    my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$username);
        "\"$cellclr\" align=\"middle\">$domain</td>\n";  
     foreach my $part (@parts) {    my $result="<tr bgcolor=$cellclr><td>$username</td><td>$fullname</td><td align=\"middle\">$domain</td>\n";
  my ($temp,$part,$type)=split(/_/,$part);    foreach my $part (@parts) {
  #print "resource.$part.$type = ".$record{"resource.$part.$type"}." <br />\n";      my ($temp,$part,$type)=split(/_/,$part);
  if ($type eq 'awarded') {      my $score=$record{"resource.$part.$type"};
     my $score = $record{"resource.$part.$type"};      if ($type eq 'awarded' || $type eq 'tries') {
     $result .= "<td bgcolor=$cellclr align=\"middle\">".        $result.='<td align="middle"><input type="text" name="GRADE.'.$student.'.'.$part.'.'.$type.
        "<input type=\"text\" name=".    '" value="'.$score.'" size="4" /></td>'."\n";
        "\"GRADE.$student.$part.$type\" ".      } elsif ($type eq 'solved') {
        "value=\"$score\" size=\"4\" /></td>\n";        my ($status,$foo)=split(/_/,$score,2);
  } elsif ($type eq 'tries') {        $result.="<td align=\"middle\"><select name=\"GRADE.$student.$part.$type\">\n";
     my $score = $record{"resource.$part.$type"};        my $optsel = '<option>correct</option><option>incorrect</option><option>excused</option>'.
     $result .= "<td bgcolor=$cellclr align=\"middle\"><input ".    '<option>ungraded</option><option>nothing</option>'."\n";
        "type=\"text\" name=\"GRADE.$student.$part.".        $status = 'nothing' if ($status eq '');
         "$type\" value=\"$score\" size=\"4\" /></td>\n";        $optsel =~ s/<option>$status/<option selected="on">$status/;
  } elsif ($type eq 'solved') {        $result.=$optsel;
     my $score = $record{"resource.$part.$type"};        $result.="</select></td>\n";
     $result .= "<td bgcolor=\"$cellclr\" align=\"middle\">".  
        "<select name=\"GRADE.$student.$part.$type\">\n";  
     if ($score =~ /^correct/) {  
  $result .= "<option selected=\"on\">correct</option>".  
            "\n<option>incorrect</option>\n<option>".  
    "excused</option>\n<option>ungraded".  
    "</option>\n<option>nothing</option>\n";  
     } elsif ($score =~ /^incorrect/) {  
  $result .= "<option>correct</option>\n<option ".  
            "selected=\"on\">incorrect</option>\n".  
    "<option>excused</option>\n<option>".  
    "ungraded</option>\n<option>nothing</option>\n";  
     } elsif ($score eq '') {  
  $result .= "<option>correct</option>\n<option> ".  
            "incorrect</option>\n<option>excused".  
                            "</option>\n<option>ungraded</option>\n".  
    "<option selected=\"on\">nothing</option>\n";  
     } elsif ($score =~ /^excused/) {  
  $result .= "<option>correct</option>\n<option>".  
                            "incorrect</option>\n<option selected=".  
                            "\"on\">excused</option>\n<option>".  
    "ungraded</option>\n<option>nothing</option>\n";  
     } elsif ($score =~ /^ungraded/) {  
  $result .= "<option>correct</option>\n<option>".  
            "incorrect</option>\n<option>excused".  
                            "</option>\n<option selected=\"on\">".  
    "ungraded</option>\n<option>nothing</option>\n";  
     }  
     $result .= "</select></td>\n";  
  }  
     }      }
     $result .= '</tr>';    }
     return $result;    $result.='</td></tr>';
     return $result;
 }  }
   
 # ========================================================== Sets student grade  #FIXME need to look at the metadata <stores> spec on what type of data to accept and provide an
 #FIXME need to look at the meatdata <stores> spec  
 # on what type of data to accept and provide an  
 #interface based on that, also do that to above function.  #interface based on that, also do that to above function.
 sub setstudentgrade {  sub setstudentgrade {
     my ($url,$symb,$courseid,$student,@parts) = @_;    my ($url,$symb,$courseid,$student,@parts) = @_;
     my $result ='';    print "set student grade parts=@parts<br>";
     my ($stuname,$domain) = split(/:/,$student);    my $result ='';
     my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$stuname);    my ($stuname,$domain) = split(/:/,$student);
     my %newrecord;    my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$stuname);
     foreach my $part (@parts) {    my %newrecord;
  my ($temp,$part,$type) = split(/_/,$part);  
  my $oldscore = $record{"resource.$part.$type"};    foreach my $part (@parts) {
  my $newscore = $ENV{"form.GRADE.$student.$part.$type"};      my ($temp,$part,$type)=split(/_/,$part);
  if ($type eq 'solved') {      my $oldscore=$record{"resource.$part.$type"};
     my $update = 0;      my $newscore=$ENV{"form.GRADE.$student.$part.$type"};
     if ($newscore eq 'nothing' ) {      print "old=$oldscore:new=$newscore:<br>";
  if ($oldscore ne '') {      if ($type eq 'solved') {
     $update = 1;        my $update=0;
     $newscore = '';        if ($newscore eq 'nothing' ) {
  }   if ($oldscore ne '') {
     } elsif ($oldscore !~ m/^$newscore/) {    $update=1;
  $update=1;    $newscore = '';
  $result.="Updating $stuname to $newscore<br />\n";  
  if ($newscore eq 'correct') {   
     $newscore = 'correct_by_override'; }  
  if ($newscore eq 'incorrect') {  
     $newscore = 'incorrect_by_override'; }  
  if ($newscore eq 'excused') {  
     $newscore = 'excused'; }  
  if ($newscore eq 'ungraded') {  
     $newscore = 'ungraded_attempted'; }  
     } else {  
  #$result.="$stuname:$part:$type:unchanged  $oldscore to $newscore:<br />\n";  
     }  
     if ($update) { $newrecord{"resource.$part.$type"}=$newscore; }  
  } else {  
     if ($oldscore ne $newscore) {  
  $newrecord{"resource.$part.$type"}=$newscore;  
  $result .= "Updating $student"."'s status for $part.$type to ".  
            "$newscore<br />\n";  
     } else {  
  #$result.="$stuname:$part:$type:unchanged  $oldscore to $newscore:<br />\n";  
     }  
  }   }
         } elsif ($oldscore !~ m/^$newscore/) {
    $update=1;
    $result.="Updating $stuname to $newscore<br />\n";
    if ($newscore eq 'correct')   { $newscore = 'correct_by_override'; }
    if ($newscore eq 'incorrect') { $newscore = 'incorrect_by_override'; }
    if ($newscore eq 'excused')   { $newscore = 'excused'; }
    if ($newscore eq 'ungraded')  { $newscore = 'ungraded_attempted'; }
   # if ($newscore eq 'partial')   { $newscore = 'correct_partially_by_override'; }
         } else {
    #$result.="$stuname:$part:$type:unchanged  $oldscore to $newscore:<br />\n";
         }
         if ($update) { $newrecord{"resource.$part.$type"}=$newscore; }
       } else {
         if ($oldscore ne $newscore) {
    $newrecord{"resource.$part.$type"}=$newscore;
    $result.="Updating $student"."'s status for $part.$type to $newscore<br />\n";
         } else {
    #$result.="$stuname:$part:$type:unchanged  $oldscore to $newscore:<br />\n";
         }
     }      }
     if ( scalar(keys(%newrecord)) > 0 ) {    }
  $newrecord{"resource.regrader"} = $ENV{'user.name'}.':'.    if ( scalar(keys(%newrecord)) > 0 ) {
                                   $ENV{'user.domain'};      $newrecord{'resource.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
  &Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$stuname);  #    &Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$stuname);
   
  $result .= 'Stored away '.scalar(keys(%newrecord)).      $result.="Stored away ".scalar(keys(%newrecord))." elements.<br />\n";
             " elements.<br />\n";    }
     }    return $result;
     return $result;  
 }  }
   
   #
 # ========================================================== Attempt submission  # --------------------------- show submissions of a student, option to grade --------
 sub submission {  sub submission {
     my ($request) = @_;    my ($request,$counter,$total) = @_;
     my $url = $ENV{'form.url'};  
     $url =~ s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;    (my $url=$ENV{'form.url'})=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
     if ($ENV{'form.student'} eq '') {     if ($ENV{'form.student'} eq '') { &moreinfo($request,'Need student login id'); return ''; }
  &moreinfo($request,"Need student login id"); return ''; }    my ($uname,$udom) = &finduser($ENV{'form.student'});
 #  if ($ENV{'form.student'} eq '') { &listStudents($request); return ''; }    if ($uname eq '') { &moreinfo($request,'Unable to find student'); return ''; }
     my ($uname,$udom) = &finduser($ENV{'form.student'});  
     if ($uname eq '') {    my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));
  &moreinfo($request,"Unable to find student"); return ''; }    if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }
     my $symb=&Apache::lonnet::symbread($url);    my $last = ($ENV{'form.lastSub'} eq 'last' ? 'last' : '');
     if ($symb eq '') {  
  $request->print("Unable to handle ambiguous references:$url:.");    # header info
  return ''; }    if ($counter == 0) {
     my $answer = &Apache::loncommon::get_previous_attempt($symb,$uname,$udom,        &sub_page_js($request);
  $ENV{'request.course.id'});        $request->print('<h2>&nbsp;<font color="#339933">Submission Record</font></h2>'.
     my $result = "<h2> Submission Record </h2>  $uname:$udom for $url <br />".        '<font size=+1>&nbsp;<b>Resource: </b>'.$url.'</font>');
          $answer;  
     return $result;        # option to display problem, only once else it cause problems with the form later 
         # since the problem has a form.
         if ($ENV{'form.vProb'} eq 'yes') {
     my $rendered=&Apache::loncommon::get_student_view($symb,$uname,$udom,
       $ENV{'request.course.id'});
     my $companswer=&Apache::loncommon::get_student_answers($symb,$uname,$udom,
    $ENV{'request.course.id'});
     my $result.='<table border="0" width="100%"><tr><td bgcolor="#777777">';
     $result.='<table border="0" width="100%"><tr><td bgcolor="#e6ffff">';
     $result.='<b>Student\'s view of the problem</b></td></tr><tr><td bgcolor="#ffffff">'.$rendered.'<br />';
     $result.='<b>Correct answer:</b><br />'.$companswer;
     $result.='</td></tr></table>';
     $result.='</td></tr></table><br />';
     $request->print($result);
         }
   
         # kwclr is the only variable that is guaranteed to be non blank if this subroutine has been called once.
         my %keyhash = ();
         if ($ENV{'form.kwclr'} eq '') {
     %keyhash = &Apache::lonnet::dump('nohist_handgrade',
         $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
         $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
   
     my $loginuser = $ENV{'user.name'}.':'.$ENV{'user.domain'};
     $ENV{'form.keywords'} = $keyhash{$symb.'_keywords'} ne '' ? $keyhash{$symb.'_keywords'} : '';
     $ENV{'form.kwclr'}    = $keyhash{$loginuser.'_kwclr'} ne '' ? $keyhash{$loginuser.'_kwclr'} : 'red';
     $ENV{'form.kwsize'}   = $keyhash{$loginuser.'_kwsize'} ne '' ? $keyhash{$loginuser.'_kwsize'} : '0';
     $ENV{'form.kwstyle'}  = $keyhash{$loginuser.'_kwstyle'} ne '' ? $keyhash{$loginuser.'_kwstyle'} : '';
     $ENV{'form.msgsub'}   = $keyhash{$symb.'_subject'} ne '' ? 
         $keyhash{$symb.'_subject'} : &Apache::lonnet::metadata($url,'title');
     $ENV{'form.savemsgN'} = $keyhash{$symb.'_savemsgN'} ne '' ? $keyhash{$symb.'_savemsgN'} : '0';
   
         }
         $request->print('<form action="/adm/grades" method="post" name="SCORE">'."\n".
         '<input type="hidden" name="command"    value="handgrade" />'."\n".
         '<input type="hidden" name="refresh"    value="off" />'."\n".
         '<input type="hidden" name="symb"       value="'.$symb.'" />'."\n".
         '<input type="hidden" name="url"        value="'.$url.'" />'."\n".
         '<input type="hidden" name="vProb"      value="'.$ENV{'form.vProb'}.'" />'."\n".
         '<input type="hidden" name="lastSub"    value="'.$ENV{'form.lastSub'}.'" />'."\n".
         '<input type="hidden" name="section"    value="'.$ENV{'form.section'}.'">'."\n".
         '<input type="hidden" name="submitonly" value="'.$ENV{'form.submitonly'}.'">'."\n".
         '<input type="hidden" name="response"   value="'.$ENV{'form.response'}.'">'."\n".
         '<input type="hidden" name="handgrade"  value="'.$ENV{'form.handgrade'}.'">'."\n".
         '<input type="hidden" name="keywords"   value="'.$ENV{'form.keywords'}.'" />'."\n".
         '<input type="hidden" name="kwclr"      value="'.$ENV{'form.kwclr'}.'" />'."\n".
         '<input type="hidden" name="kwsize"     value="'.$ENV{'form.kwsize'}.'" />'."\n".
         '<input type="hidden" name="kwstyle"    value="'.$ENV{'form.kwstyle'}.'" />'."\n".
         '<input type="hidden" name="msgsub"     value="'.$ENV{'form.msgsub'}.'" />'."\n".
         '<input type="hidden" name="savemsgN"   value="'.$ENV{'form.savemsgN'}.'" />'."\n".
         '<input type="hidden" name="NCT"'.
         ' value="'.($ENV{'form.NTSTU'} ne '' ? $ENV{'form.NTSTU'} : $total+1).'" />'."\n");
   
         my ($cts,$prnmsg) = (1,'');
         while ($cts <= $ENV{'form.savemsgN'}) {
     $prnmsg.='<input type="hidden" name="savemsg'.$cts.'" value="'.
         ($keyhash{$symb.'_savemsg'.$cts} eq '' ? $ENV{'form.savemsg'.$cts} : $keyhash{$symb.'_savemsg'.$cts}).
         '" />'."\n";
     $cts++;
         }
         $request->print($prnmsg);
   
         if ($ENV{'form.handgrade'} eq 'yes') {
     $request->print(<<KEYWORDS);
   &nbsp;<b>Keyword Options:</b>&nbsp;
   <a href="javascript:keywords(document.SCORE.keywords)"; TARGET=_self>List</a>&nbsp; &nbsp;
   <a href="#" onMouseDown="javascript:getSel(); return false"
    CLASS="page">Paste Selection to List</a>&nbsp; &nbsp;
   <a href="javascript:kwhighlight()"; TARGET=_self>Highlight Attribute</a><br /><br />
   KEYWORDS
         }
     }
   
     # Student info
     $request->print(($counter == 0 ? '' : '<br />'));
     my $fullname = ($ENV{'form.fullname'} ne '' ? $ENV{'form.fullname'} : &get_fullname($uname,$udom));
     my $result='<table border="0" width=100%><tr><td bgcolor="#777777">'.
         '<table border="0" width=100%><tr bgcolor="#ffffff"><td>';
   
     $result.='<table border="0"><tr bgcolor="#ffffff"><td><b>Fullname: </b>'.$fullname.
         '</td><td>&nbsp; &nbsp;<b>Username: </b>'.$uname.
         '</td><td>&nbsp; &nbsp;<b>Domain: </b>'.$udom.'</td></tr>';
     if ($ENV{'form.handgrade'} eq 'yes') {
   #      my $subonly = &get_last_submission($symb,$uname,$udom,$ENV{'request.course.id'});
   #      my ($classlist) = &getclasslist('all','0');
         my ($classlist,$seclist,$ids,$stusec,$fullname) = &getclasslist('all','0');
         my @collaborators;
   #      foreach ( sort(@{ $$classlist{'all'} }) ) {
   #  my ($uname,$udom) = split(/:/);
   #  push @collaborators,$uname if (grep /\b$uname(\b|\.)/i,$subonly);
   #      }
   #      push @collaborators,'leede','carlandmm','freyniks'; # as a test to display collaborators.
         if (scalar(@collaborators) != 0) {
     $result.='<tr bgcolor="#ffffff"><td colspan=3><b>Collaborators: </b>';
     foreach (@collaborators) {
         $result.=$_.' ('.$$fullname{$_.':'.$udom}.') &nbsp; &nbsp;';
   #      $result.=$_.' ('.&get_fullname($_,$udom).') &nbsp; &nbsp;';
     }
     $result.='</td></tr>'."\n";
     $result.='<input type="hidden" name="collaborator'.$counter.
         '" value="'.(join ':',@collaborators).'" />'."\n";
         }
     }
     $request->print($result.'</table>'."\n");
   
     my ($partlist,$handgrade) = &response_type($url);
   
     # print student answer
     if ($ENV{'form.lastSub'} =~ /^(lastonly|hdgrade)$/) {
         my ($string,$timestamp)=&get_last_submission ($symb,$uname,$udom,$ENV{'request.course.id'});
         my $lastsubonly.='</td></tr><tr><td bgcolor="#e6ffff"><b>Last Submission Only</b>'.
     ($$timestamp eq '' ? '' : '&nbsp; &nbsp; <b>Date Submitted:</b> '.$$timestamp).'</td></tr>';
         if ($$timestamp eq '') {
     $lastsubonly.='<tr><td bgcolor="#ffffe6">'.$$string[0].'</td></tr>';
         } else {
     for my $part (sort keys(%$handgrade)) {
         foreach (@$string) {
     my ($partid,$respid) = /^resource\.(\d{1,2})\.(\d{1,2})\.submission/;
     if ($part eq ($partid.'_'.$respid)) {
         my ($ressub,$subval) = split(/:/,$_,2);
         $lastsubonly.='<tr><td bgcolor="#ffffe6"><b>Part ID</b> '.
     $partid.' <b>Response ID</b> '.$respid.
     ' <b>Submission</b> '.&keywords_highlight($subval).'</td></tr>'
     if ($ENV{'form.lastSub'} eq 'lastonly' || 
         ($ENV{'form.lastSub'} eq 'hdgrade' && $$handgrade{$part} =~ /:yes$/));
     }
         }
     }
         }
         $lastsubonly.='</td></tr><tr><td bgcolor="#ffffff">'."\n";
         $request->print($lastsubonly);
     } else {
         $request->print(&Apache::loncommon::get_previous_attempt($symb,$uname,$udom,
          $ENV{'request.course.id'},$last,
          '.submission','Apache::grades::keywords_highlight'));
     }
   
     $result='<input type="hidden" name="newmsg'.$counter.'" value="" />'."\n".
         '<input type="hidden" name="includemsg'.$counter.'" value="" />'."\n".
         '<input type="hidden" name="unamedom'.$counter.'" value="'.$uname.':'.$udom.'" />'."\n";
     $result.='&nbsp;<a href="javascript:msgCenter(document.SCORE,'.$counter.
         ',\''.$fullname.'\')"; TARGET=_self>Compose Message</a><br />'."\n" if ($ENV{'form.handgrade'} eq 'yes');
     $request->print($result);
   
     my %seen = ();
     my @partlist;
     my %record = &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);
   #  while (my ($k,$v) = each (%record)){
   #      print "key=$k    ==>    value=$v<br>";
   #  }
     for (sort keys(%$handgrade)) {
         my ($partid,$respid) = split(/_/);
         next if ($seen{$partid} > 0);
         $seen{$partid}++;
         next if ($$handgrade{$_} =~ /:no$/);
         push @partlist,$partid;
         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);
   
         # display grading options
         $result='<input type="hidden" name="WGT'.$counter.'_'.$partid.'" value="'.$wgt.'" />';
         $result.='<table border="0"><tr><td><b>Part </b>'.$partid.' <b>Points</b></td><td>';
   
         my $ctr = 0;
         $result.='<table border="0"><tr>';  # display radio buttons in a nice table 10 across
         while ($ctr<=$wgt) {
     $result.= '<td><input type="radio" name="RADVAL'.$counter.'_'.$partid.'" '.
         'onclick="javascript:writeBox(this.form.GRADE_BOX'.$counter.'_'.$partid.
         ',this.form.GRADE_SEL'.$counter.'_'.$partid.','.$ctr.
         ',this.form.stores'.$counter.'_'.$partid.')" '.
         ($score eq $ctr ? 'checked':'').' /> '.$ctr."</td>\n";
     $result.=(($ctr+1)%10 == 0 ? '</tr><tr>' : '');
     $ctr++;
         }
         $result.='</tr></table>';
   
         $result.='</td><td>&nbsp;<b>or</b>&nbsp;</td>';
         $result.='<td><input type="text" name="GRADE_BOX'.$counter.'_'.$partid.'"'.
     ($score ne ''? ' value = "'.$score.'"':'').' size="4" '.
     'onChange="javascript:updateRadio(this.form.RADVAL'.$counter.'_'.$partid.
     ',this.form.GRADE_BOX'.$counter.'_'.$partid.
     ',this.form.GRADE_SEL'.$counter.'_'.$partid.
     ',this.form.stores'.$counter.'_'.$partid.')" /></td>'."\n";
         $result.='<td>/'.$wgt.' '.$wgtmsg.' </td><td>';
   
         $result.='<select name="GRADE_SEL'.$counter.'_'.$partid.'" '.
     'onChange="javascript:clearRadBox(this.form.RADVAL'.$counter.'_'.$partid.
     ',this.form.GRADE_BOX'.$counter.'_'.$partid.
     ',this.form.GRADE_SEL'.$counter.'_'.$partid.
     ',this.form.stores'.$counter.'_'.$partid.')" />'."\n".
     '<option selected="on"> </option>'.
     '<option>excused</option></select>'."&nbsp&nbsp\n";
         $result.='<input type="hidden" name="stores'.$counter.'_'.$partid.'" value="0" />';
         $result.='</td></tr></table>';
         $request->print($result);
     }
     $request->print('<input type="hidden" name="partlist'.$counter.'" value="'.(join ":",@partlist).'" />'."\n");
     $request->print('</td></tr></table></td></tr></table>'."\n");
   
     # print end of form
     if ($counter == $total) {
         my $endform.='<table border="0"><tr><td><input type="submit" name="gradeOpt" value="Save & Next" />';
         my $ntstu ='<select name="NTSTU">'.
     '<option>1</option><option>2</option>'.
     '<option>3</option><option>5</option>'.
     '<option>7</option><option>10</option></select>'."\n";
         my $nsel = ($ENV{'form.NTSTU'} ne '' ? $ENV{'form.NTSTU'} : '1');
         $ntstu =~ s/<option>$nsel</<option selected="on">$nsel</;
         $endform.=$ntstu.'student(s) &nbsp;&nbsp;'.
     '<input type="submit" name="gradeOpt" value="Next" />&nbsp'.
     '<input type="submit" name="gradeOpt" value="Previous" />&nbsp'.
     '(Next and Previous do not save the scores.)'.
     '</td><tr></table></form>';
         $request->print($endform);
     }
     return '';
   }
   
   sub get_last_submission {
     my ($symb,$username,$domain,$course)=@_;
     if ($symb) {
         my (@string,$timestamp);
         my (%returnhash)=&Apache::lonnet::restore($symb,$course,$domain,$username);
         if ($returnhash{'version'}) {
     my %lasthash=();
     my ($version);
     for ($version=1;$version<=$returnhash{'version'};$version++) {
         foreach (sort(split(/\:/,$returnhash{$version.':keys'}))) {
     $lasthash{$_}=$returnhash{$version.':'.$_};
         }
     }
     foreach ((keys %lasthash)) {
         if ($_ =~ /\.submission$/) {push @string, (join(':',$_,$lasthash{$_}))}
         if ($_ =~ /timestamp/) {$timestamp = scalar(localtime($lasthash{$_}))};
     }
         }
         @string = $string[0] eq '' ? 'Nothing submitted - no attempts.' : @string;
         return \@string,\$timestamp;
     }
   }
   
   sub keywords_highlight {
     my $string  = shift;
     my $size    = $ENV{'form.kwsize'} eq '0' ? '' : 'size='.$ENV{'form.kwsize'};
     my $styleon = $ENV{'form.kwstyle'} eq ''  ? '' : $ENV{'form.kwstyle'};
     (my $styleoff = $styleon) =~ s/\</\<\//;
     my @keylist = split(/[,\s+]/,$ENV{'form.keywords'});
     foreach (@keylist) {
         $string =~ s/\b$_(\b|\.)/\<font color\=$ENV{'form.kwclr'} $size\>$styleon$_$styleoff\<\/font\>/gi;
     }
     return $string;
   }
   
   sub processHandGrade {
     my ($request) = shift;
     my $url    = $ENV{'form.url'};
     my $symb   = $ENV{'form.symb'};
     my $button = $ENV{'form.gradeOpt'};
     my $ngrade = $ENV{'form.NCT'};
     my $ntstu  = $ENV{'form.NTSTU'};
   
     my $loginuser = $ENV{'user.name'}.':'.$ENV{'user.domain'};
     my %keyhash = ();
     $ENV{'form.keywords'}           =~ s/,\s{0,}|\s+/ /g;
     $ENV{'form.keywords'}           =~ s/^\s+|\s+$//;
     $keyhash{$symb.'_keywords'}     = $ENV{'form.keywords'};
     $keyhash{$symb.'_subject'}      = $ENV{'form.msgsub'};
     $keyhash{$loginuser.'_kwclr'}   = $ENV{'form.kwclr'};
     $keyhash{$loginuser.'_kwsize'}  = $ENV{'form.kwsize'};
     $keyhash{$loginuser.'_kwstyle'} = $ENV{'form.kwstyle'};
   
     my ($ctr,$idx) = (1,1);
     while ($ctr <= $ENV{'form.savemsgN'}) {
         if ($ENV{'form.savemsg'.$ctr} ne '') {
     $keyhash{$symb.'_savemsg'.$idx} = $ENV{'form.savemsg'.$ctr};
     $idx++;
         }
         $ctr++;
     }
     $ctr = 0;
     while ($ctr < $ngrade) {
         if ($ENV{'form.newmsg'.$ctr} ne '') {
     $keyhash{$symb.'_savemsg'.$idx} = $ENV{'form.newmsg'.$ctr};
     $ENV{'form.savemsg'.$idx} = $ENV{'form.newmsg'.$ctr};
     $idx++;
         }
         $ctr++;
     }
     $ENV{'form.savemsgN'} = --$idx;
     $keyhash{$symb.'_savemsgN'} = $ENV{'form.savemsgN'};
     my $putresult = &Apache::lonnet::put
         ('nohist_handgrade',\%keyhash,
          $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
          $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
   
     if ($ENV{'form.refresh'} eq 'on') {
         my $ctr = 0;
         $ENV{'form.NTSTU'}=$ngrade;
         while ($ctr < $ngrade) {
     ($ENV{'form.student'},my $udom) = split(/:/,$ENV{'form.unamedom'.$ctr});
     &submission($request,$ctr,$ngrade-1);
     $ctr++;
         }
         return '';
     }
   
     if ($button eq 'Save & Next') {
         my $ctr = 0;
         while ($ctr < $ngrade) {
     my ($uname,$udom) = split(/:/,$ENV{'form.unamedom'.$ctr});
     my ($errorflg) = &saveHandGrade($request,$url,$symb,$uname,$udom,$ctr);
     return '' if ($errorflg eq 'error');
   
     my $includemsg = $ENV{'form.includemsg'.$ctr};
     my ($subject,$message,$msgstatus) = ('','','');
     if ($includemsg =~ /savemsg|new$ctr/) {
         $subject = $ENV{'form.msgsub'} if ($includemsg =~ /^msgsub/);
         my (@msgnum) = split(/,/,$includemsg);
         foreach (@msgnum) {
     $message.=$ENV{'form.'.$_} if ($_ =~ /savemsg|newmsg/ && $_ ne '');
         }
         $message =~ s/\s+/ /g;
         $msgstatus = &Apache::lonmsg::user_normal_msg ($uname,$udom,$ENV{'form.msgsub'},$message);
     }
     if ($ENV{'form.collaborator'.$ctr}) {
         my (@collaborators) = split(/:/,$ENV{'form.collaborator'.$ctr});
         foreach (@collaborators) {
     &saveHandGrade($request,$url,$symb,$_,$udom,$ctr);
     if ($message ne '') {
         $msgstatus = &Apache::lonmsg::user_normal_msg ($uname,$udom,$ENV{'form.msgsub'},$message);
     }
         }
     }
     $ctr++;
         }
     }
     my $firststu = $ENV{'form.unamedom0'};
     my $laststu = $ENV{'form.unamedom'.($ngrade-1)};
     $ctr = 2;
     while ($laststu eq '') {
         $laststu  = $ENV{'form.unamedom'.($ngrade-$ctr)};
         $ctr++;
         $laststu = $firststu if ($ctr > $ngrade);
     }
     my ($classlist,$seclist,$ids,$stusec,$fullname) = &getclasslist($ENV{'form.section'},'0');
   
     my (@parsedlist,@nextlist);
     my ($nextflg) = 0;
     foreach ( sort(@{ $$classlist{$ENV{'form.section'}} }) ) {
         if ($nextflg == 1 && $button =~ /Next$/) {
     push @parsedlist,$_;
         }
         $nextflg = 1 if ($_ eq $laststu);
         if ($button eq 'Previous') {
     last if ($_ eq $firststu);
     push @parsedlist,$_;
         }
     }
     $ctr = 0;
     my ($partlist,$handgrade) = &response_type($ENV{'form.url'});
     @parsedlist = reverse @parsedlist if ($button eq 'Previous');
     foreach my $student (@parsedlist) {
         my ($uname,$udom) = split(/:/,$student);
         if ($ENV{'form.submitonly'} eq 'yes') {
     my (%status) = &student_gradeStatus($ENV{'form.url'},$udom,$uname,$partlist) ;
     my $statusflg = '';
     foreach (keys(%status)) {
         $statusflg = 1 if ($status{$_} ne 'nothing');
     }
     next if ($statusflg eq '');
         }
         push @nextlist,$student if ($ctr < $ntstu);
         $ctr++;
     }
   
     $ctr = 0;
     my $total = scalar(@nextlist)-1;
     foreach (sort @nextlist) {
         my ($uname,$udom) = split(/:/);
         $ENV{'form.student'} = $uname;
         $ENV{'form.fullname'} = $$fullname{$_};
         &submission($request,$ctr,$total);
         $ctr++;
     }
     if ($total < 0) {
         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);
         $request->print($the_end);
     }
     return '';
   }
   
   sub saveHandGrade {
     my ($request,$url,$symb,$stuname,$domain,$newflg) = @_;
   #  my %record=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},$domain,$stuname);
     my %newrecord;
     foreach (split(/:/,$ENV{'form.partlist'.$newflg})) {
         if ($ENV{'form.GRADE_SEL'.$newflg.'_'.$_} eq 'excused') {
     $newrecord{'resource.'.$_.'.solved'} = 'excused';
         } else {
     my $pts    = ($ENV{'form.GRADE_BOX'.$newflg.'_'.$_} ne '' ? 
          $ENV{'form.GRADE_BOX'.$newflg.'_'.$_} : $ENV{'form.RADVAL'.$newflg.'_'.$_});
     if ($pts eq '') {
         &userError($request,'No point was assigned for part id '.$_.' and for username '.$stuname.'.');
         return 'error';
     }
     my $wgt    = $ENV{'form.WGT'.$newflg.'_'.$_} eq '' ? 1 : $ENV{'form.WGT'.$newflg.'_'.$_};
     my $partial= $pts/$wgt;
     $newrecord{'resource.'.$_.'.awarded'}  = $partial;
     if ($partial == 0) {
         $newrecord{'resource.'.$_.'.solved'} = 'incorrect_by_override';
     } else {
         $newrecord{'resource.'.$_.'.solved'} = 'correct_by_override';
     }
         }
     }
   
     if ( scalar(keys(%newrecord)) > 0 ) {
         $newrecord{'resource.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
   #      while (my ($k,$v) = each %newrecord) {
   # print "k=$k:v=$v:<br>\n";
   #      }
        &Apache::lonnet::cstore(\%newrecord,$symb,$ENV{'request.course.id'},$domain,$stuname);
     }
     return '';
   }
   
   sub get_symb_and_url {
     my ($request) = @_;
     (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)));
     if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }
     return ($symb,$url);
   }
   
   sub show_grading_menu_form {
     my ($symb,$url)=@_;
     my $result.='<form action="/adm/grades" method="post">'."\n".
       '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
         '<input type="hidden" name="url" value="'.$url.'" />'."\n".
    '<input type="hidden" name="command" value="gradingmenu" />'."\n".
     '<input type="submit" name="submit" value="Grading Menu" />'."\n".
       '</form>'."\n";
     return $result;
   }
   
   sub gradingmenu {
     my ($request) = @_;
     my ($symb,$url)=&get_symb_and_url($request);
     if (!$symb) {return '';}
     my $result='<h2>&nbsp;<font color="#339933">Select a Grading Method</font></h2>';
     $result.='<table border="0">';
     $result.='<tr><td colspan=3><font size=+1><b>Resource: </b>'.$url.'</font></td></tr>';
     my ($partlist,$handgrade) = &response_type($url);
     my ($resptype,$hdgrade)=('','no');
     for (sort keys(%$handgrade)) {
         my ($responsetype,$handgrade)=split(/:/,$$handgrade{$_});
         $resptype = $responsetype;
         $hdgrade = $handgrade if ($handgrade eq 'yes');
         $result.='<tr><td><b>Part id: </b>'.$_.'</td>'.
     '<td><b>Type: </b>'.$responsetype.'</td>'.
     '<td><b>Handgrade: </b>'.$handgrade.'</font></td></tr>';
     }
     $result.='</table>';
     $result.=&view_edit_entire_class_form($symb,$url).'<br />';
     $result.=&upcsvScores_form($symb,$url).'<br />';
     $result.=&viewGradeaStu_form($symb,$url,$resptype,$hdgrade).'<br />';
     $result.=&verifyReceipt_form($symb,$url).'<br />';
     $result.=&view_classlist_form($symb,$url);
   
     return $result;
   }
   
   sub view_classlist_form {
     my ($symb,$url)=@_;
     my $result.='<table width=100% border=0><tr><td bgcolor=#777777>'."\n";
     $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";
     $result.='&nbsp;<b>View Class List</b></td></tr>'."\n";
     $result.='<tr bgcolor=#ffffe6><td>'."\n";
     $result.='<form action="/adm/grades" method="post">'."\n".
         '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
         '<input type="hidden" name="url" value="'.$url.'" />'."\n".
         '<input type="hidden" name="command" value="viewclasslist" />'."\n";
     $result.='&nbsp;<input type="submit" name="submit" value="View Class" /></form>'."\n";
     $result.='</td></tr></table>'."\n";
     $result.='</td></tr></table>'."\n";
     return $result;
   }
   
   sub viewclasslist {
     my ($request) = shift;
     my ($coursedomain,$coursenum) = split(/_/,$ENV{'request.course.id'});
     my %classlist=&Apache::lonnet::dump('classlist',$coursedomain,$coursenum);
     $request->print('<table border=1>');
     foreach (sort keys(%classlist)) {
   #    my ($unam,$udom) = split(/:/,$_,2);
   #    my $section = &Apache::lonnet::usection($udom,$unam,$ENV{'request.course.id'});
   #    my $fullname = &get_fullname ($unam,$udom);
   #    my @uname;
   #    $uname[0]=$unam;
   #    my %userid=&Apache::lonnet::idrget($udom,@uname);
   #    my $value=$classlist{$_}.':'.$userid{$unam}.':'.$section.':'.$fullname;
   #    $classlist{$_}=$value;
       $request->print('<tr><td>'.$_.' </td><td><pre> '.$classlist{$_}.'</pre></td></tr>');
     }
     $request->print('</table>');
   #  my $putresult = &Apache::lonnet::put
   #      ('classlist',\%classlist,
   #       $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
   #       $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
   
     return '';
   }
   
   sub view_edit_entire_class_form {
     my ($symb,$url)=@_;
     my $result.='<table width=100% border=0><tr><td bgcolor=#777777>'."\n";
     $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";
     $result.='&nbsp;<b>View/Grade Entire Class</b></td></tr>'."\n";
     $result.='<tr bgcolor=#ffffe6><td>'."\n";
     $result.='<form action="/adm/grades" method="post">'."\n".
       '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
         '<input type="hidden" name="url" value="'.$url.'" />'."\n".
     '<input type="hidden" name="command" value="viewgrades" />'."\n";
     $result.='&nbsp;<b>Display students who has: </b>'.
         '<input type="radio" name="submitonly" value="yes" checked> submitted'.
     '<input type="radio" name="submitonly" value="all"> everybody <br /><br />';
     $result.='&nbsp;<input type="submit" name="submit" value="View/Grade" /></form>'."\n";
     $result.='</td></tr></table>'."\n";
     $result.='</td></tr></table>'."\n";
     return $result;
   }
   
   sub upcsvScores_form {
     my ($symb,$url) = @_;
     if (!$symb) {return '';}
     my $result.='<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 above resource</b></td></tr>'."\n";
     $result.='<tr bgcolor=#ffffe6><td>'."\n";
     my $upfile_select=&Apache::loncommon::upfile_select_html();
     $result.=<<ENDUPFORM;
   <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
   <input type="hidden" name="symb" value="$symb" />
   <input type="hidden" name="url" value="$url" />
   <input type="hidden" name="command" value="csvuploadmap" />
   $upfile_select
   <br />&nbsp;<input type="submit" name="submit" value="Upload Grades" />
   </form>
   ENDUPFORM
     $result.='</td></tr></table>'."\n";
     $result.='</td></tr></table>'."\n";
     return $result;
   }
   
   sub viewGradeaStu_form {
     my ($symb,$url,$response,$handgrade) = @_;
     my ($classlist,$sections) = &getclasslist('all','0');
     my $result.='<table width=100% border=0><tr><td bgcolor=#777777>'."\n";
     $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";
     $result.='&nbsp;<b>View/Grade an Individual Student\'s Submission</b></td></tr>'."\n";
     $result.='<tr bgcolor=#ffffe6><td>'."\n";
     $result.='<form action="/adm/grades" method="post">'."\n".
         '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
         '<input type="hidden" name="url" value="'.$url.'" />'."\n".
         '<input type="hidden" name="response" value="'.$response.'" />'."\n".
         '<input type="hidden" name="handgrade" value="'.$handgrade.'" />'."\n".
         '<input type="hidden" name="command" value="submission" />'."\n";
   
     $result.='&nbsp;<b>Select section:</b> <select name="section">'."\n";
     foreach (sort (@$sections)) {
         $result.= '<option>'.$_.'</option>'."\n";
     }
     $result.= '<option selected="on">all</select>'."\n";
     $result.='&nbsp;&nbsp;<b>Display students who has: </b>'.
         '<input type="radio" name="submitonly" value="yes" checked> submitted'.
         '<input type="radio" name="submitonly" value="all"> everybody <br />';
     $result.='&nbsp;(Section "no" implies the students were not assigned a section.)<br />' 
         if (grep /no/,@$sections);
   
     $result.='<br />&nbsp;<input type="submit" name="submit" value="View/Grade" />'."\n".
         '</form>'."\n";
     $result.='</td></tr></table>'."\n";
     $result.='</td></tr></table>'."\n";
     return $result;
   }
   
   sub verifyReceipt_form {
     my ($symb,$url) = @_;
     my $cdom=$ENV{"course.$ENV{'request.course.id'}.domain"};
     my $cnum=$ENV{"course.$ENV{'request.course.id'}.num"};
     my $hostver=unpack("%32C*",$Apache::lonnet::perlvar{'lonHostID'});
   
     my $result.='<table width=100% border=0><tr><td bgcolor=#777777>'."\n";
     $result.='<table width=100% border=0><tr><td bgcolor=#e6ffff>'."\n";
     $result.='&nbsp;<b>Verify a Submission Receipt Issued by this Server</td></tr>'."\n";
     $result.='<tr bgcolor=#ffffe6><td>'."\n";
     $result.='<form action="/adm/grades" method="post">'."\n";
     $result.='&nbsp;<tt>'.$hostver.'-<input type="text" name="receipt" size="4"></tt><br />'."\n";
     $result.='&nbsp;<input type="submit" name="submit" value="Verify Receipt">'."\n";
     $result.='<input type="hidden" name="command" value="verify">'."\n";
     if ($ENV{'form.url'}) {
         $result.='<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />';
     }
     if ($ENV{'form.symb'}) {
         $result.='<input type="hidden" name="symb" value="'.$ENV{'form.symb'}.'" />';
     }
     $result.='</form>';
     $result.='</td></tr></table>'."\n";
     $result.='</td></tr></table>'."\n";
     return $result;
 }  }
   
 # ================================================================= View grades  
 sub viewgrades {  sub viewgrades {
     my ($request) = @_;    my ($request) = @_;
     my $result = '';    my $result='';
       
     #get resource reference    #get resource reference
     my $url = $ENV{'form.url'};    my ($symb,$url)=&get_symb_and_url($request);
     $url =~ s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;    if (!$symb) {return '';}
     my $symb=$ENV{'form.symb'};    #get classlist
     if (!$symb) { $symb = &Apache::lonnet::symbread($url); }    my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
     if ($symb eq '') {     #print "Found $cdom:$cnum<br />";
  $request->print("Unable to handle ambiguous references:$url:.");    my ($classlist) = &getclasslist('all','0');
  return '';    my $headerclr = '"#ddffff"';
     }    my $cellclr = '"#ffffdd"';
       
     #get classlist    #get list of parts for this problem
     my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});    my (@parts) = sort(&getpartlist($url));
     my $chome = $ENV{"course.$ENV{'request.course.id'}.home"};  
     #print "Found $cdom:$cnum:$chome<br />";    $request->print ("<h2><font color=\"#339933\">Manual Grading</font></h2>");
     my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');  
     my $headerclr = '"#ccffff"';    #start the form
     my $cellclr = '"#ffffcc"';    $result = '<form action="/adm/grades" method="post">'."\n".
       '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
     #get list of parts for this problem        '<input type="hidden" name="url" value="'.$url.'" />'."\n".
     my (@parts) = &getpartlist($url);   '<input type="hidden" name="command" value="editgrades" />'."\n".
     '<input type="submit" name="submit" value="Submit Changes" />'."\n".
     $request->print("<h2><font color=\"#339966\">Manual Grading</font></h2>");      '<table border=0><tr><td bgcolor="#777777">'."\n".
            '<table border=0>'."\n".
     #start the form        '<tr bgcolor='.$headerclr.'><td><b>Username</b></td><td><b>Fullname</b></td><td><b>Domain</b></td>'."\n";
     $result = '<form action="/adm/grades" method="post">'."\n".    foreach my $part (@parts) {
       '<input type="hidden" name="symb" value="'.$symb.'"/>'."\n".       my $display=&Apache::lonnet::metadata($url,$part.'.display');
       '<input type="hidden" name="url" value="'.$url.'"/>'."\n".       if  (!$display) { $display = &Apache::lonnet::metadata($url,$part.'.name'); }
       '<input type="hidden" name="command" value="editgrades" />'."\n".       $result.='<td><b>'.$display.'</b></td>'."\n";
       '<input type="submit" name="submit" value="Submit Changes" />'.    }
       "\n".'<table border=0><tr><td bgcolor="#999999">'."\n".    $result.='</tr>';
       '<table border=0>'."\n".    #get info for each student
       '<tr><td bgcolor='.$headerclr.'>UserId</td><td bgcolor='.    foreach my $student ( sort(@{ $$classlist{'all'} }) ) {
               $headerclr.'>Domain</td>'."\n";  #    my $display=&viewstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts);
     foreach my $part (@parts) {  #      print "ID=$ENV{'request.course.id'}:STU=$student:DIS=$display:<br>\n";
  my $display = &Apache::lonnet::metadata($url,$part.'.display');      $result.=&viewstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts);
  if  (!$display) {     }
     $display = &Apache::lonnet::metadata($url,$part.'.name'); }    $result.='</table></td></tr></table>';
  $result .= '<td bgcolor='.$headerclr.'>'.$display.'</td>'."\n";    $result.='<input type="submit" name="submit" value="Submit Changes" /></form>';
     }    $result.=&show_grading_menu_form($symb,$url);
     $result .= "</tr>";    return $result;
   
     #get info for each student  
     foreach my $student ( sort(@{ $classlist{'allids'} }) ) {  
  $result .= &viewstudentgrade($url,$symb,$ENV{'request.course.id'},  
      $student,@parts);  
     }  
     $result .= '</table></td></tr></table><input type="submit" name="submit"'.  
        'value="Submit Changes" /></form>';  
     return $result;  
 }  }
   
 # ================================================================= Edit grades  
 sub editgrades {  sub editgrades {
     my ($request) = @_;    my ($request) = @_;
     my $result='';    my $result='';
   
     my $symb = $ENV{'form.symb'};    my $symb=$ENV{'form.symb'};
     if ($symb eq '') {    if ($symb eq '') { $request->print("Unable to handle ambiguous references:$symb:$ENV{'form.url'}"); return ''; }
  $request->print("Unable to handle ambiguous references:$symb:".    my $url=$ENV{'form.url'};
  $ENV{'form.url'});    #get classlist
  return '';  #  my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
     }    #print "Found $cdom:$cnum<br />";
     my $url = $ENV{'form.url'};    my ($classlist) = &getclasslist('all','0');
     #get classlist  
     my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});    #get list of parts for this problem
     my $chome = $ENV{"course.$ENV{'request.course.id'}.home"};    my (@parts) = &getpartlist($url);
     #print "Found $cdom:$cnum:$chome<br />";  
     my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');    $result.='<form action="/adm/grades" method="post">'."\n".
           '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
     #get list of parts for this problem        '<input type="hidden" name="url" value="'.$url.'" />'."\n".
     my (@parts) = &getpartlist($url);   '<input type="hidden" name="command" value="viewgrades" />'."\n".
     '<input type="submit" name="submit" value="See Grades" /> <br />'."\n";
     $result .= '<form action="/adm/grades" method="post">'."\n".  
                '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".    foreach my $student ( sort(@{ $$classlist{'all'} }) ) {
                '<input type="hidden" name="url" value="'.$url.'" />'."\n".      $result.=&setstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts);
        '<input type="hidden" name="command" value="viewgrades" />'.    }
                "\n".'<input type="submit" name="submit" value="See Grades" />'.  
                '<br />'."\n";    $result.='<input type="submit" name="submit" value="See Grades" /></table></form>';
     return $result;
     foreach my $student ( sort(@{ $classlist{'allids'} }) ) {  }
         $result .= &setstudentgrade($url,$symb,$ENV{'request.course.id'},  
     $student,@parts);  sub sub_page_js {
     }    my $request = shift;
     $request->print(<<SUBJAVASCRIPT);
     $result .= '<input type="submit" name="submit" value="See Grades" />'.  <script type="text/javascript" language="javascript">
        '</table></form>';    function updateRadio(radioButton,formtextbox,formsel,scores) {
     return $result;       var pts = formtextbox.value;
        var resetbox =false;
        if (isNaN(pts) || pts < 0) {
    alert("A number equal or greater than 0 is expected. Entered value = "+pts);
    for (var i=0; i<radioButton.length; i++) {
      if (radioButton[i].checked) {
         formtextbox.value = i;
         resetbox = true;
      }
    }
    if (!resetbox) {
      formtextbox.value = "";
    }
    return;
       }
   
       for (var i=0; i<radioButton.length; i++) {
    radioButton[i].checked=false;
    if (pts == i) {
      radioButton[i].checked=true;
    }
       }
       updateSelect(formsel);
       scores.value = "0";
     }
   
     function writeBox(formrad,formsel,pts,scores) {
       formrad.value = pts;
       scores.value = "0";
       updateSelect(formsel,pts);
       return;
     }
   
     function clearRadBox(radioButton,formbox,formsel,scores) {
       for (var i=0; i<formsel.length; i++) {
    if (formsel[i].selected) {
       var selectx=i;
    }
       }
       if (selectx == scores.value) { return };
       formbox.value = "";
       for (var i=0; i<radioButton.length; i++) {
    radioButton[i].checked=false;
       }
       scores.value = selectx;
     }
   
     function updateSelect(formsel) {
       formsel[0].selected = true;
       return;
     }
   
   //===================== Show list of keywords ====================
     function keywords(keyform) {
       var keywds = keyform.value;
       var nret = prompt("Keywords list, separated by a space. Add/delete to list if desired.",keywds);
       if (nret==null) return;
       keyform.value = nret;
       return;
     }
   
   //===================== Script to add keyword(s) ==================
     function getSel() {
       if (document.getSelection) txt = document.getSelection();
       else if (document.selection) txt = document.selection.createRange().text;
       else return;
       var cleantxt = txt.replace(new RegExp('([\\f\\n\\r\\t\\v ])+', 'g')," ");
       if (cleantxt=="") {
    alert("Select a word or group of words from document and then click this link.");
    return;
       }
       var nret = prompt("Add selection to keyword list? Edit if desired.",cleantxt);
       if (nret==null) return;
       var curlist = document.SCORE.keywords.value;
       document.SCORE.keywords.value = curlist+" "+nret;
       return;
     }
   
   //====================== Script for composing message ==============
     function msgCenter(msgform,usrctr,fullname) {
       var Nmsg  = msgform.savemsgN.value;
       savedMsgHeader(Nmsg,usrctr,fullname);
       var subject = msgform.msgsub.value;
       var rtrchk  = eval("document.SCORE.includemsg"+usrctr);
       var msgchk = rtrchk.value;
   //    alert("checked=>"+msgchk);
       re = /msgsub/;
       var shwsel = "";
       if (re.test(msgchk)) { shwsel = "checked" }
       displaySubject(subject,shwsel);
       for (var i=1; i<=Nmsg; i++) {
    var testpt = "savemsg"+i+",";
    re = /testpt/;
    shwsel = "";
    if (re.test(msgchk)) { shwsel = "checked" }
    var message = eval("document.SCORE.savemsg"+i+".value");
    displaySavedMsg(i,message,shwsel);
       }
       newmsg = eval("document.SCORE.newmsg"+usrctr+".value");
       shwsel = "";
       re = /newmsg/;
       if (re.test(msgchk)) { shwsel = "checked" }
       newMsg(newmsg,shwsel);
       msgTail(); 
       return;
     }
   
     function savedMsgHeader(Nmsg,usrctr,fullname) {
       var height = 30*Nmsg+250;
       var scrollbar = "no";
       if (height > 600) {
    height = 600;
    scrollbar = "yes";
       }
   /*    if (window.pWin)
    window.pWin.close(); */
       pWin = window.open('', 'MessageCenter', 'toolbar=no,location=no,scrollbars='+scrollbar+',screenx=70,screeny=75,width=600,height='+height);
       pWin.document.write("<html><head>");
       pWin.document.write("<title>Message Central</title>");
   
       pWin.document.write("<script language=javascript>");
       pWin.document.write("function checkInput() {");
       pWin.document.write("  opener.document.SCORE.msgsub.value = document.msgcenter.msgsub.value;");
       pWin.document.write("  var nmsg   = opener.document.SCORE.savemsgN.value;");
       pWin.document.write("  var usrctr = document.msgcenter.usrctr.value;");
       pWin.document.write("  var newval = eval(\\"opener.document.SCORE.newmsg\\"+usrctr);");
       pWin.document.write("  newval.value = document.msgcenter.newmsg.value;");
   
       pWin.document.write("  var msgchk = \\"\\";");
       pWin.document.write("  if (document.msgcenter.subchk.checked) {");
       pWin.document.write("     msgchk = \\"msgsub,\\";");
       pWin.document.write("  }");
       pWin.document.write(   "for (var i=1; i<=nmsg; i++) {");
       pWin.document.write("      var opnmsg = eval(\\"opener.document.SCORE.savemsg\\"+i);");
       pWin.document.write("      var frmmsg = eval(\\"document.msgcenter.msg\\"+i);");
       pWin.document.write("      opnmsg.value = frmmsg.value;");
       pWin.document.write("      var chkbox = eval(\\"document.msgcenter.msgn\\"+i);");
       pWin.document.write("      if (chkbox.checked) {");
       pWin.document.write("         msgchk += \\"savemsg\\"+i+\\",\\";");
       pWin.document.write("      }");
       pWin.document.write("  }");
       pWin.document.write("  if (document.msgcenter.newmsgchk.checked) {");
       pWin.document.write("     msgchk += \\"newmsg\\"+usrctr;");
       pWin.document.write("  }");
       pWin.document.write("  var includemsg = eval(\\"opener.document.SCORE.includemsg\\"+usrctr);");
       pWin.document.write("  includemsg.value = msgchk;");
   
   //    pWin.document.write("  alert(\\"slected=\\"+msgchk)");
       pWin.document.write("  self.close()");
   
       pWin.document.write("}");
   
       pWin.document.write("<");
       pWin.document.write("/script>");
   
       pWin.document.write("</head><body bgcolor=white>");
   
       pWin.document.write("<form action=\\"inactive\\" name=\\"msgcenter\\">");
       pWin.document.write("<input value=\\""+usrctr+"\\" name=\\"usrctr\\" type=\\"hidden\\">");
       pWin.document.write("<font color=\\"green\\" size=+1>&nbsp;Compose Message for \"+fullname+\"</font><br><br>");
   
       pWin.document.write("<table border=0 width=100%><tr><td bgcolor=\\"#777777\\">");
       pWin.document.write("<table border=0 width=100%><tr bgcolor=\\"#ddffff\\">");
       pWin.document.write("<td><b>Type</b></td><td><b>Include</b></td><td><b>Message</td></tr>");
   }
       function displaySubject(msg,shwsel) {
       pWin.document.write("<tr bgcolor=\\"#ffffdd\\">");
       pWin.document.write("<td>Subject</td>");
       pWin.document.write("<td align=\\"center\\"><input name=\\"subchk\\" type=\\"checkbox\\"" +shwsel+"></td>");
       pWin.document.write("<td><input name=\\"msgsub\\" type=\\"text\\" value=\\""+msg+" \\"size=\\"60\\" maxlength=\\"80\\"></td></tr>");
   }
   
   function displaySavedMsg(ctr,msg,shwsel) {
       pWin.document.write("<tr bgcolor=\\"#ffffdd\\">");
       pWin.document.write("<td align=\\"center\\">"+ctr+"</td>");
       pWin.document.write("<td align=\\"center\\"><input name=\\"msgn"+ctr+"\\" type=\\"checkbox\\"" +shwsel+"></td>");
       pWin.document.write("<td><input name=\\"msg"+ctr+"\\" type=\\"text\\" value=\\""+msg+" \\" size=\\"60\\" maxlength=\\"80\\"></td></tr>");
   }
   
     function newMsg(newmsg,shwsel) {
       pWin.document.write("<tr bgcolor=\\"#ffffdd\\">");
       pWin.document.write("<td align=\\"center\\">New</td>");
       pWin.document.write("<td align=\\"center\\"><input name=\\"newmsgchk\\" type=\\"checkbox\\"" +shwsel+"></td>");
       pWin.document.write("<td><input name=\\"newmsg\\" type=\\"text\\" onchange=\\"javascript:this.form.newmsgchk.checked=true\\" value=\\""+newmsg+" \\" size=\\"60\\" maxlength=\\"80\\"></td></tr>");
   }
   
     function msgTail() {
       pWin.document.write("</table>");
       pWin.document.write("</td></tr></table>&nbsp;");
       pWin.document.write("<input type=\\"button\\" value=\\"Save\\" onClick=\\"javascript:checkInput()\\">&nbsp;&nbsp;");
       pWin.document.write("<input type=\\"button\\" value=\\"Cancel\\" onClick=\\"self.close()\\"><br><br>");
       pWin.document.write("</form>");
       pWin.document.write("</body></html>");
   }
   
   //====================== Script for keyword highlight options ==============
     function kwhighlight() {
       var kwclr    = document.SCORE.kwclr.value;
       var kwsize   = document.SCORE.kwsize.value;
       var kwstyle  = document.SCORE.kwstyle.value;
       var redsel = "";
       var grnsel = "";
       var blusel = "";
       if (kwclr=="red")   {var redsel="checked"};
       if (kwclr=="green") {var grnsel="checked"};
       if (kwclr=="blue")  {var blusel="checked"};
       var sznsel = "";
       var sz1sel = "";
       var sz2sel = "";
       if (kwsize=="0")  {var sznsel="checked"};
       if (kwsize=="+1") {var sz1sel="checked"};
       if (kwsize=="+2") {var sz2sel="checked"};
       var synsel = "";
       var syisel = "";
       var sybsel = "";
       if (kwstyle=="")    {var synsel="checked"};
       if (kwstyle=="<i>") {var syisel="checked"};
       if (kwstyle=="<b>") {var sybsel="checked"};
       highlightCentral();
       highlightbody('red','red',redsel,'0','normal',sznsel,'','normal',synsel);
       highlightbody('green','green',grnsel,'+1','+1',sz1sel,'<i>','italic',syisel);
       highlightbody('blue','blue',blusel,'+2','+2',sz2sel,'<b>','bold',sybsel);
       highlightend();
       return;
     }
   
   
     function highlightCentral() {
       hwdWin = window.open('', 'KeywordHighlightCentral', 'toolbar=no,location=no,scrollbars=no,width=400,height=300,screenx=100,screeny=75');
       hwdWin.document.write("<html><head>");
       hwdWin.document.write("<title>Highlight Central</title>");
   
       hwdWin.document.write("<script language=javascript>");
       hwdWin.document.write("function updateChoice(flag) {");
       hwdWin.document.write("  opener.document.SCORE.kwclr.value = radioSelection(document.hlCenter.kwdclr);");
       hwdWin.document.write("  opener.document.SCORE.kwsize.value = radioSelection(document.hlCenter.kwdsize);");
       hwdWin.document.write("  opener.document.SCORE.kwstyle.value = radioSelection(document.hlCenter.kwdstyle);");
   //    hwdWin.document.write("     var kwords=opener.document.SCORE.keywords.value;");
   //    hwdWin.document.write("     alert(\\"keywords=\\"+opener.document.SCORE.keywords.value);");
   //    hwdWin.document.write("     return;");
   
       hwdWin.document.write("  if (flag==1){");
       hwdWin.document.write("     opener.document.SCORE.refresh.value = \\"on\\";");
       hwdWin.document.write("     if (opener.document.SCORE.keywords.value!=\\"\\"){");
       hwdWin.document.write("        opener.document.SCORE.submit();");
       hwdWin.document.write("     }");
       hwdWin.document.write("   }");
       hwdWin.document.write("  self.close()");
       hwdWin.document.write("}");
   
       hwdWin.document.write("function radioSelection(radioButton) {");
       hwdWin.document.write("    var selection=null;");
       hwdWin.document.write("    for (var i=0; i<radioButton.length; i++) {");
       hwdWin.document.write("        if (radioButton[i].checked) {");
       hwdWin.document.write("            selection=radioButton[i].value;");
       hwdWin.document.write("            return selection;");
       hwdWin.document.write("        }");
       hwdWin.document.write("    }");
       hwdWin.document.write("}");
   
       hwdWin.document.write("<");
       hwdWin.document.write("/script>");
   
       hwdWin.document.write("</head><body bgcolor=white>");
   
       hwdWin.document.write("<form action=\\"inactive\\" name=\\"hlCenter\\">");
       hwdWin.document.write("<font color=\\"green\\" size=+1>&nbsp;Keyword Highlight Options</font><br><br>");
   
       hwdWin.document.write("<table border=0 width=100%><tr><td bgcolor=\\"#777777\\">");
       hwdWin.document.write("<table border=0 width=100%><tr bgcolor=\\"#ddffff\\">");
       hwdWin.document.write("<td><b>Text Color</b></td><td><b>Font Size</b></td><td><b>Font Style</td></tr>");
     }
   
     function highlightbody(clrval,clrtxt,clrsel,szval,sztxt,szsel,syval,sytxt,sysel) { 
       hwdWin.document.write("<tr bgcolor=\\"#ffffdd\\">");
       hwdWin.document.write("<td align=\\"left\\">");
       hwdWin.document.write("<input name=\\"kwdclr\\" type=\\"radio\\" value=\\""+clrval+"\\" "+clrsel+">&nbsp;"+clrtxt+"</td>");
       hwdWin.document.write("<td align=\\"left\\">");
       hwdWin.document.write("<input name=\\"kwdsize\\" type=\\"radio\\" value=\\""+szval+"\\" "+szsel+">&nbsp;"+sztxt+"</td>");
       hwdWin.document.write("<td align=\\"left\\">");
       hwdWin.document.write("<input name=\\"kwdstyle\\" type=\\"radio\\" value=\\""+syval+"\\" "+sysel+">&nbsp;"+sytxt+"</td>");
       hwdWin.document.write("</tr>");
     }
   
     function highlightend() { 
       hwdWin.document.write("</table>");
       hwdWin.document.write("</td></tr></table>&nbsp;");
       hwdWin.document.write("<input type=\\"button\\" value=\\"Save\\" onClick=\\"javascript:updateChoice(0)\\">&nbsp;&nbsp;");
       hwdWin.document.write("<input type=\\"button\\" value=\\"Save & Refresh\\" onClick=\\"javascript:updateChoice(1)\\">&nbsp;&nbsp;");
       hwdWin.document.write("<input type=\\"button\\" value=\\"Cancel\\" onClick=\\"self.close()\\"><br><br>");
       hwdWin.document.write("</form>");
       hwdWin.document.write("</body></html>");
     }
   
   </script>
   SUBJAVASCRIPT
   }
   
   sub csvupload_javascript_reverse_associate {
     return(<<ENDPICK);
     function verify(vf) {
       var foundsomething=0;
       var founduname=0;
       var founddomain=0;
       for (i=0;i<=vf.nfields.value;i++) {
         tw=eval('vf.f'+i+'.selectedIndex');
         if (i==0 && tw!=0) { founduname=1; }
         if (i==1 && tw!=0) { founddomain=1; }
         if (i!=0 && i!=1 && tw!=0) { foundsomething=1; }
       }
       if (founduname==0 || founddomain==0) {
         alert('You need to specify at both the username and domain');
         return;
       }
       if (foundsomething==0) {
         alert('You need to specify at least one grading field');
         return;
       }
       vf.submit();
     }
     function flip(vf,tf) {
       var nw=eval('vf.f'+tf+'.selectedIndex');
       var i;
       for (i=0;i<=vf.nfields.value;i++) {
         //can not pick the same destination field for both name and domain
         if (((i ==0)||(i ==1)) && 
             ((tf==0)||(tf==1)) && 
             (i!=tf) &&
             (eval('vf.f'+i+'.selectedIndex')==nw)) {
           eval('vf.f'+i+'.selectedIndex=0;')
         }
       }
     }
   ENDPICK
   }
   
   sub csvupload_javascript_forward_associate {
     return(<<ENDPICK);
     function verify(vf) {
       var foundsomething=0;
       var founduname=0;
       var founddomain=0;
       for (i=0;i<=vf.nfields.value;i++) {
         tw=eval('vf.f'+i+'.selectedIndex');
         if (tw==1) { founduname=1; }
         if (tw==2) { founddomain=1; }
         if (tw>2) { foundsomething=1; }
       }
       if (founduname==0 || founddomain==0) {
         alert('You need to specify at both the username and domain');
         return;
       }
       if (foundsomething==0) {
         alert('You need to specify at least one grading field');
         return;
       }
       vf.submit();
     }
     function flip(vf,tf) {
       var nw=eval('vf.f'+tf+'.selectedIndex');
       var i;
       //can not pick the same destination field twice
       for (i=0;i<=vf.nfields.value;i++) {
         if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
           eval('vf.f'+i+'.selectedIndex=0;')
         }
       }
     }
   ENDPICK
   }
   
   sub csvuploadmap_header {
     my ($request,$symb,$url,$datatoken,$distotal)= @_;
     my $result;
     my $javascript;
     if ($ENV{'form.upfile_associate'} eq 'reverse') {
       $javascript=&csvupload_javascript_reverse_associate();
     } else {
       $javascript=&csvupload_javascript_forward_associate();
     }
     $request->print(<<ENDPICK);
   <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
   <h3>Uploading Class Grades for resource $url</h3>
   <hr>
   <h3>Identify fields</h3>
   Total number of records found in file: $distotal <hr />
   Enter as many fields as you can. The system will inform you and bring you back
   to this page if the data selected is insufficient to run your class.<hr />
   <input type="button" value="Reverse Association" onClick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
   <input type="hidden" name="associate"  value="" />
   <input type="hidden" name="phase"      value="three" />
   <input type="hidden" name="datatoken"  value="$datatoken" />
   <input type="hidden" name="fileupload" value="$ENV{'form.fileupload'}" />
   <input type="hidden" name="upfiletype" value="$ENV{'form.upfiletype'}" />
   <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="command"    value="csvuploadassign" />
   <hr />
   <script type="text/javascript" language="Javascript">
   $javascript
   </script>
   ENDPICK
     return '';
   
   }
   
   sub csvupload_fields {
     my ($url) = @_;
     my (@parts) = &getpartlist($url);
     my @fields=(['username','Student Username'],['domain','Student Domain']);
     foreach my $part (sort(@parts)) {
       my @datum;
       my $display=&Apache::lonnet::metadata($url,$part.'.display');
       my $name=$part;
       if  (!$display) { $display = $name; }
       @datum=($name,$display);
       push(@fields,\@datum);
     }
     return (@fields);
   }
   
   sub csvuploadmap_footer {
     my ($request,$i,$keyfields) =@_;
     $request->print(<<ENDPICK);
   </table>
   <input type="hidden" name="nfields" value="$i" />
   <input type="hidden" name="keyfields" value="$keyfields" />
   <input type="button" onClick="javascript:verify(this.form)" value="Assign Grades" /><br />
   </form>
   ENDPICK
   }
   
   sub csvuploadmap {
     my ($request)= @_;
     my ($symb,$url)=&get_symb_and_url($request);
     if (!$symb) {return '';}
     my $datatoken;
     if (!$ENV{'form.datatoken'}) {
       $datatoken=&Apache::loncommon::upfile_store($request);
     } else {
       $datatoken=$ENV{'form.datatoken'};
       &Apache::loncommon::load_tmp_file($request);
     }
     my @records=&Apache::loncommon::upfile_record_sep();
     &csvuploadmap_header($request,$symb,$url,$datatoken,$#records+1);
     my $i;
     my $keyfields;
     if (@records) {
       my @fields=&csvupload_fields($url);
       if ($ENV{'form.upfile_associate'} eq 'reverse') {
         &Apache::loncommon::csv_print_samples($request,\@records);
         $i=&Apache::loncommon::csv_print_select_table($request,\@records,
       \@fields);
         foreach (@fields) { $keyfields.=$_->[0].','; }
         chop($keyfields);
       } else {
         unshift(@fields,['none','']);
         $i=&Apache::loncommon::csv_samples_select_table($request,\@records,
         \@fields);
         my %sone=&Apache::loncommon::record_sep($records[0]);
         $keyfields=join(',',sort(keys(%sone)));
       }
     }
     &csvuploadmap_footer($request,$i,$keyfields);
     return '';
   }
   
   sub csvuploadassign {
     my ($request)= @_;
     my ($symb,$url)=&get_symb_and_url($request);
     if (!$symb) {return '';}
     &Apache::loncommon::load_tmp_file($request);
     my @gradedata=&Apache::loncommon::upfile_record_sep();
     my @keyfields = split(/\,/,$ENV{'form.keyfields'});
     my %fields=();
     for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) {
       if ($ENV{'form.upfile_associate'} eq 'reverse') {
         if ($ENV{'form.f'.$i} ne 'none') {
    $fields{$keyfields[$i]}=$ENV{'form.f'.$i};
         }
       } else {
         if ($ENV{'form.f'.$i} ne 'none') {
    $fields{$ENV{'form.f'.$i}}=$keyfields[$i];
         }
       }
     }
     $request->print('<h3>Assigning Grades</h3>');
     my $courseid=$ENV{'request.course.id'};
   #  my $cdom=$ENV{"course.$courseid.domain"};
   #  my $cnum=$ENV{"course.$courseid.num"};
     my ($classlist) = &getclasslist('all','1');
     my @skipped;
     my $countdone=0;
     foreach my $grade (@gradedata) {
       my %entries=&Apache::loncommon::record_sep($grade);
       my $username=$entries{$fields{'username'}};
       my $domain=$entries{$fields{'domain'}};
       if (!exists($$classlist{"$username:$domain"})) {
         push(@skipped,"$username:$domain");
         next;
       }
       my %grades;
       foreach my $dest (keys(%fields)) {
         if ($dest eq 'username' || $dest eq 'domain') { next; }
         if ($entries{$fields{$dest}} eq '') { next; }
         my $store_key=$dest;
         $store_key=~s/^stores/resource/;
         $store_key=~s/_/\./g;
         $grades{$store_key}=$entries{$fields{$dest}};
       }
       $grades{"resource.regrader"}="$ENV{'user.name'}:$ENV{'user.domain'}";
       &Apache::lonnet::cstore(\%grades,$symb,$ENV{'request.course.id'},
       $domain,$username);
       $request->print('.');
       $request->rflush();
       $countdone++;
     }
     $request->print("<br />Stored $countdone students\n");
     if (@skipped) {
       $request->print('<br /><font size="+1"><b>Skipped Students</b></font><br />');
       foreach my $student (@skipped) { $request->print("<br />$student"); }
     }
     $request->print(&view_edit_entire_class_form($symb,$url));
     $request->print(&show_grading_menu_form($symb,$url));
     return '';
 }  }
   
 # ================================================================= Send header  
 sub send_header {  sub send_header {
     my ($request) = @_;    my ($request)= @_;
     $request->print(&Apache::lontexconvert::header());    $request->print(&Apache::lontexconvert::header());
 #  $request->print("  #  $request->print("
 #<script>  #<script>
 #remotewindow=open('','homeworkremote');  #remotewindow=open('','homeworkremote');
 #remotewindow.close();  #remotewindow.close();
 #</script>");   #</script>"); 
     $request->print('<body bgcolor="#FFFFFF">');    $request->print('<body bgcolor="#FFFFFF">');
 }  }
   
 # ================================================================= Send footer  
 sub send_footer {  sub send_footer {
   my ($request) = @_;    my ($request)= @_;
   $request->print('</body>');    $request->print('</body>');
   $request->print(&Apache::lontexconvert::footer());    $request->print(&Apache::lontexconvert::footer());
 }  }
   
 # ===================================================================== Handler  
 sub handler {  sub handler {
     my $request = $_[0];    my $request=$_[0];
     if ( $ENV{'user.name'} eq 'albertel' ) {$Apache::lonxml::debug=1;}  
     else {$Apache::lonxml::debug=0;}    if ($ENV{'browser.mathml'}) {
     if ($ENV{'browser.mathml'}) {      $request->content_type('text/xml');
  $request->content_type('text/xml');    } else {
     } else {      $request->content_type('text/html');
  $request->content_type('text/html');    }
     }    $request->send_http_header;
     $request->send_http_header;    return OK if $request->header_only;
     return OK if $request->header_only;    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
     my $url = $ENV{'form.url'};    my $url=$ENV{'form.url'};
     my $symb = $ENV{'form.symb'};    my $symb=$ENV{'form.symb'};
     my $command = $ENV{'form.command'};    my $command=$ENV{'form.command'};
         if (!$url) {
     &send_header($request);      my ($temp1,$temp2);
     if ($url eq '' && $symb eq '') {      ($temp1,$temp2,$ENV{'form.url'})=split(/___/,$symb);
  $request->print("Non-Contextual Access Unsupported:$command:$url:");      $url = $ENV{'form.url'};
     } else {    }
  $Apache::grades::viewgrades=&Apache::lonnet::allowed('vgr',    &send_header($request);
     $ENV{'request.course.id'});    if ($url eq '' && $symb eq '') {
  if ($command eq 'submission') {       if ($ENV{'user.adv'}) {
     $request->print(&listStudents($request))           if (($ENV{'form.codeone'}) && ($ENV{'form.codetwo'}) &&
  if ($ENV{'form.student'} eq '');               ($ENV{'form.codethree'})) {
     $request->print(&submission($request))               my $token=$ENV{'form.codeone'}.'*'.$ENV{'form.codetwo'}.'*'.
  if ($ENV{'form.student'} ne '');          $ENV{'form.codethree'};
  } elsif ($command eq 'viewgrades') {               my ($tsymb,$tuname,$tudom,$tcrsid)=
     $request->print(&viewgrades($request));   &Apache::lonnet::checkin($token);
  } elsif ($command eq 'editgrades') {               if ($tsymb) {
     $request->print(&editgrades($request));                  my ($map,$id,$url)=split(/\_\_\_/,$tsymb);
                   if (&Apache::lonnet::allowed('mgr',$tcrsid)) {
                      $request->print(
                        &Apache::lonnet::ssi('/res/'.$url,
                           ('grade_username' => $tuname,
                            'grade_domain' => $tudom,
                            'grade_courseid' => $tcrsid,
                            'grade_symb' => $tsymb)));
                   } else {
                      $request->print('<h1>Not authorized: '.$token.'</h1>');
                   }           
       } else {
                   $request->print('<h1>Not a valid DocID: '.$token.'</h1>');
               }
    } else {
                $request->print(&Apache::lonxml::tokeninputfield());
            }
        }
     } else {
       #&Apache::lonhomework::showhashsubset(\%ENV,'^form');
       $Apache::grades::viewgrades=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'});
       if ($command eq 'submission') {
         &listStudents($request) if ($ENV{'form.student'} eq '');
         &submission($request,0,0) if ($ENV{'form.student'} ne '');
       } elsif ($command eq 'processGroup') {
         &processGroup($request);
       } elsif ($command eq 'gradingmenu') {
         $request->print(&gradingmenu($request));
       } elsif ($command eq 'viewgrades') {
         $request->print(&viewgrades($request));
       } elsif ($command eq 'handgrade') {
         $request->print(&processHandGrade($request));
       } elsif ($command eq 'editgrades') {
         $request->print(&editgrades($request));
       } elsif ($command eq 'verify') {
         $request->print(&verifyreceipt($request));
       } elsif ($command eq 'csvupload') {
         $request->print(&csvupload($request));
       } elsif ($command eq 'viewclasslist') {
         $request->print(&viewclasslist($request));
       } elsif ($command eq 'csvuploadmap') {
         $request->print(&csvuploadmap($request));
   #    } elsif ($command eq 'receiptInput') {
   #      &receiptInput($request);
       } elsif ($command eq 'csvuploadassign') {
         if ($ENV{'form.associate'} ne 'Reverse Association') {
    $request->print(&csvuploadassign($request));
         } else {
    if ( $ENV{'form.upfile_associate'} ne 'reverse' ) {
     $ENV{'form.upfile_associate'} = 'reverse';
  } else {   } else {
     $request->print("Unknown action:$command:");    $ENV{'form.upfile_associate'} = 'forward';
  }   }
    $request->print(&csvuploadmap($request));
         }
       } else {
         $request->print("Unknown action: $command:");
     }      }
     &send_footer($request);    }
     return OK;    &send_footer($request);
     return OK;
 }  }
   
 1;  1;
   
 __END__  __END__;

Removed from v.1.12  
changed lines
  Added in v.1.40


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