function updateSpoilers() {
    mass01 = $$('div.spoiler div');
    mass01.each(function(mass011) {
        if (mass011['className']=='spoiler-title') {
            mass011.addEvent('click', function() {
                var content = this.getParent().getChildren('.spoiler-body')[0];
                if (content.getStyle('display') == 'none')
                    content.setStyle('display', 'block');
                else
                    content.setStyle('display', 'none');
            });
        }
    });
}
window.addEvent('domready', updateSpoilers);