Event.addBehavior({
  '.question h3' : function(){
    var link = $a({style:'cursor:pointer;'}, this.innerHTML)
    this.innerHTML = "";
    Element.insert(this, {top : link})
  },
  '.question h3 a:click' : function(){
    this.parentNode.next().toggle();
  },
  '.answer' : function(){
    this.hide()
  }
})