function GoogleAnalytics() {
    this.pageTracker = null;
}
GoogleAnalytics.prototype = {
    init: function (gaKey) {
        try {
            this.pageTracker = _gat._createTracker(gaKey);
            this.pageTracker._initData();
        }
        catch (e) { }
    },
    trackPageview: function (url) {
        this.pageTracker._trackPageview('arkcom/' + url);
    }
}