Application.AutoShow = Behavior.create({
  onclick: function(event){
    event.stop();
    Application.Window.makeModalFromRemote(this.element.href);
  }
})

Application.HideCurrentModalWindow = Behavior.create({
  onclick: function(event){
    event.stop();
    Control.Modal.close();
  }
});

Event.addBehavior({
  'a[rel=tiny-show]': Application.AutoShow,
  'a[rel=tiny-hide]': Application.HideCurrentModalWindow
});