var plugin;
var version = 5;
var flash = false;

if (navigator.plugins) {
    if (navigator.plugins["Shockwave Flash"]) {
        plugin = navigator.plugins["Shockwave Flash"].description;
        flash =
            parseInt(plugin.charAt(plugin.indexOf('.') - 1)) >= version;

    } else {
        if ((navigator.userAgent.indexOf('MSIE') != -1)
            && (navigator.userAgent.indexOf('Win') != -1))
        {
            var vb = '<script language="vbscript">\n'
                   + 'if ScriptEngineMajorVersion >= 2 then\n'
                   + '  on error resume next\n'
                   + '  flash = IsObject(CreateObject('
                   + '     "ShockwaveFlash.ShockwaveFlash.'
                   +        version + '"))\n'
                   + 'end if\n'
                   + '<' + '/script>';
            document.write(vb);
        }
    }
}