var Faqs = function(selector) {
  $$(selector).each((function(el, i) {
    this[i] = new Fx.Accordion(el.getElements('dt'), el.getElements('dd'), {
      show: -1,
      alwaysHide: true,
      onActive: function(h, d) {
        h.addClass('active');
      },
      onBackground: function(h, d) {
        h.removeClass('active');
      }
    });
  }).bind(this));
}