window.addEvent('domready', function(){
  var scroll = new Fx.Scroll('sliderVisibleFrame', {
	wait: false,
	duration: 300,
	offset: {'x': 0, 'y': 0},
	transition: Fx.Transitions.Quad.easeInOut
  });

  $('link1').addEvent('click', function(event) {
	event = new Event(event).stop();
	scroll.toElement('content1');
  });

  $('link2').addEvent('click', function(event) {
	event = new Event(event).stop();
	scroll.toElement('content2');
  });

  $('link3').addEvent('click', function(event) {
	event = new Event(event).stop();
	scroll.toElement('content3');
  });

  $('link4').addEvent('click', function(event) {
	event = new Event(event).stop();
	scroll.toElement('content4');
  });
});