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('png_patch.js');
include('swfobject.js');
include('browser_ver.js');
include('browser_detect.js');