sub get_meta_keywords {
  my ($script,$parameter) = @_;

  $sql_stmnt = "SELECT meta_keyword
                FROM site_meta_keywords 
                WHERE script = ?
                AND parameter = ?";
  my $rows = $dbh->selectall_arrayref($sql_stmnt, undef, $script, $parameter);
    
  my $meta_keywords = join(', ', map { $_->[0] } @$rows);
  return $meta_keywords;
}