function destroyHotSpots() {
    var hs = config.hotSpots;
    hotspotsCreated = false;
    delete config.hotSpots;
    if (hs) {
        for (var i = 0; i < hs.length; i++) {
            var current = hs[i].div;
            if (current) {
                while (current.parentNode && current.parentNode != renderContainer) {
                    current = current.parentNode;
                }
                renderContainer.removeChild(current);
            }
            delete hs[i].div;
        }
    }
}