metrics = {
    h:window.location.hostname,p:window.location.pathname,r:screen.width + "x" + screen.height,t:document.title,ref:document.referrer,e:encodeURIComponent,
    trackPage : function() {
        this._track(this._imgSrc());
    },
    trackImpression : function() {
        var src = this._imgSrc();
        for (var i = 0; i < arguments.length; i++) {
            src += "&params=" + arguments[i];
        }
        this._track(src);
    },
    _imgSrc : function() {
        return "http://metrics.mm-health.com/mb.gif?js=1&h=" + this.e(this.h) + "&p=" + this.e(this.p) + "&r=" + this.e(this.r) + "&ref="
                + this.e(this.ref) + "&t=" + this.e(this.t) + "&id=c8a67aa2-93fa-4ac3-b04e-8469bca2260c&_rn=" + Math.random();
    },
    _track : function(src) {
        var img = new Image();
        img.src = src;
    }

};

metrics.trackPage();