Track each Unbounce landing page variant in Google Analytics separately

ga-with-unbounce-variant.js

<script type="text/javascript">
    function readCookie(name) {
        var nameEQ = name + "=";
        var ca = document.cookie.split(';');
        for (var i = 0; i < ca.length; i++) {
            var c = ca[i];
            while (c.charAt(0) == ' ') c = c.substring(1, c.length);
            if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
        }
        return null;
    };

    function getUnbouncePageVariant() {
        return readCookie('ubpv').split('%2C')[0];
    };


    var _gaq = _gaq || [];
    _gaq.push(['_setAccount', 'YOUR-GA-ACCOUNT-IDENTIFIER']);
    _gaq.push(['_setDomainName', 'EXAMPLE.COM']);
    _gaq.push(['_trackPageview', document.location.pathname + getUnbouncePageVariant()]);

    (function () {
        var ga = document.createElement('script');
        ga.type = 'text/javascript';
        ga.async = true;
        ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
        var s = document.getElementsByTagName('script')[0];
        s.parentNode.insertBefore(ga, s);
    })();
</script>