__d("DimensionTracking", ["event-extensions", "AsyncSignal", "Cookie", "DOMDimensions", "isInIframe"], function (a, b, c, d, e, f) {
    b('event-extensions');
    var g = b('AsyncSignal'),
        h = b('Cookie'),
        i = b('DOMDimensions'),
        j = b('isInIframe');

    function k() {
        var l = i.getViewportDimensions();
        h.set('wd', l.width + 'x' + l.height);
        if (Math.random() < .01) new g('/ajax/dimension_context.php', {
            x: l.width,
            y: l.height
        }).send();
    }
    if (!j()) {
        setTimeout(k, 100);
        Event.listen(window, 'resize', k);
        Event.listen(window, 'focus', k);
    }
});