window.addEvent('domready', function() {
    var jSonRequest = new Json.Remote("/statistics/statistics.php", {method: 'get', onComplete: function(results){
        results.each(function(item, index){
            if (item.area == 'users') $('users-stat').setText(item.result);
            if (item.area == 'revenue') $('revenue-stat').setText(item.result);
        });
    }}).send();
});