sub parse_input {
  # Get the form input..
  read(STDIN, $buffer, $ENV{'CONTENT_LENGTH'});
  # get the commandline URL input..
  $buffer .= '&'.$ENV{'QUERY_STRING'};
  $buffer =~ s/%26/*amp*/g;              
  $buffer =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
  $buffer =~ tr/\+/ /;
  @pairs = split(/&/, $buffer);
  foreach $pair (@pairs) {
    ($name, $value) = split(/=/, $pair,2);
    $value =~ tr/==/=/; # convert back to
    $value =~ s/\*amp\*/&/g;                      
    $value =~ s/\*plus\*/\+/g;                    
    if($name ne '') {
      if($params{$name} eq '') {
        $params{$name} = $value; # build hash array
      } else {
        if($name ne 'pid') {
          $params{$name} .= $params_delim.$value; 
        }
      }
      $this_field_name = '$'.$name;
      $this_param_value = $params{$name};
      eval($this_field_name.' = &tokenise("'.$this_param_value.'")');
    }
  }
  return $buffer;
}