 var Toggle = Class.create();
 Toggle.prototype = {
  initialize: function(link, div) {
   this.watch = link;
   this.div = div;
   this.watch.onclick = this.click.bindAsEventListener(this);

  },
  click: function(event) {
   this.watch.innerHTML = (this.div.visible()) ? "&raquo;":"&laquo;";
   Effect.toggle(this.div, 'slide');
   return false;
  }
 };

 function bindToggles() {
  Element.getElementsByClassName('a', 'toggle').each(function(a) {
   new Toggle(a, $(a.id + 'Collection'));
  });
 }

 Event.observe(window, 'load', bindToggles);

