function include(script_filename) {
    document.write('<' + 'script');
    document.write(' language="javascript"');
    document.write(' type="text/javascript"');
    document.write(' src="' + script_filename + '">');
    document.write('</' + 'script' + '>');
}

include ('js/prototype.js');
include ('js/scriptaculous.js?load=effects,builder');
include ('js/lightbox.js');