sub upload {
    read (STDIN, $in, $ENV{'CONTENT_LENGTH'});
    @pairs = split (/&/, $in);
    foreach $pair (@pairs) {
      ($name, $value) = split (/=/, $pair);
      $name =~ s/\+/ /g;
      $name =~ s/%(..)/pack("C", hex($1))/ge;
      $value =~ s/\+/ /g;
      $value =~ s/%(..)/pack("C", hex($1))/ge;
      $value =~s/<!--(.|\n)*-->//g;
      if ($parse{$name}) {
        $parse{$name} .= ", $value";
      } else {
        $parse{$name} = $value;
      }
    }

  my $cgi = CGI->new;
  my $upload = CGI::Upload->new( $cgi );

  if ( $upload->mime_type('upload') eq 'image/gif' ) {
    my $buffer;
    my @results;
    my $fh = $upload->file_handle('upload');
    while (read($fh, $buffer, 45)) {
      push (@results, pack("u", $buffer));
    }
    open (FILE, "+>>$parse{directory}/$upload->file_name('upload')") or die "Can't open image file: $!";
    for $line (@results) {
      print FILE "$line";
    }
    close (FILE) or die "Can't close image file: $!";
    $fh->close;
  }
  filemgr($parse{directory}); # Print directory tree
}