Contacts = Behavior.create({
  initialize: function() {
    this.address = $('address');
    this.hey_you = $$('#kontakt .hey_you').first();
    
    this.hey_you.addClassName('visible_hey_you');
    this.address.addClassName('invisible_address');
  },
  
  onclick: function() {
      Effect.Fade(this.element);
      this.address.setStyle("display: block");
      return false;
    }
});