(function ($) {

    $.ydTrack = function (page) {

        if (pageTracker) {

            //alert("track: " + page);
            pageTracker._trackPageview(page);

        }

    };

    $.ydTrackEvent = function (category, action, label, value) {

        if (pageTracker) {

            //alert("track event: " + category + ", " + action + ", " + label + ", " + value);
            pageTracker._trackEvent(category, action, label, value);

        }

    };

})(jQuery);