gistfile1.js

function MixTracker(token) {
    if (token == null) throw "You forgot to enter a MixPanel token!";
    this.token = token;
    this.mpq = [];
    this.mpq.push(["init", this.token]);
    (function () {
        var b, a, e, d, c;
        b = document.createElement("script");
        b.type = "text/javascript";
        b.async = true;
        b.src = (document.location.protocol === "https:" ? "https:" : "http:") + "//api.mixpanel.com/site_media/js/api/mixpanel.js";
        a = document.getElementsByTagName("script")[0];
        a.parentNode.insertBefore(b, a);
        e = function (f) {
            return function () {
                this.mpq.push([f].concat(Array.prototype.slice.call(arguments, 0)))
            }
        };
        d = ["init", "track", "track_links", "track_forms", "register", "register_once", "identify", "name_tag", "set_config"];
        for (c = 0; c < d.length; c++) {
            this.mpq[d[c]] = e(d[c])
        }
    })();


    this.getIP = function () {
        if (window.XMLHttpRequest) xmlhttp = new XMLHttpRequest();
        else xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");

        xmlhttp.open("GET", "http://api.hostip.info/get_html.php", false);
        xmlhttp.send();

        hostipInfo = xmlhttp.responseText.split("\n");

        for (i = 0; hostipInfo.length >= i; i++) {
            ipAddress = hostipInfo[i].split(":");
            if (ipAddress[0] == "IP") return ipAddress[1];
        }

        return false;
    };
    this.track = function () {
        this.mpq.track("Success!");
        var ip = this.getIP();
    };
}

var mpqjs = new MixTracker("c07aeed7a90edaf9a8c3cac28ca9d5e4");
mpqjs.track();