window.addEvent('domready', function(){
	$('menu1').addEvents({
		'mouseenter': function(){
			// Always sets the duration of the tween to 1000 ms and a bouncing transition
			// And then tweens the height of the element
			this.set('tween', {
				duration: 1000,
				transition: Fx.Transitions.Bounce.easeOut // This could have been also 'bounce:out'
			}).tween('height', '540px');
		},
		'mouseleave': function(){
			// Resets the tween and changes the element back to its original size
			this.set('tween', {}).tween('height', '305px');
		}
	});

	$('menu2').addEvents({
		'mouseenter': function(){
			// Always sets the duration of the tween to 1000 ms and a bouncing transition
			// And then tweens the height of the element
			this.set('tween', {
				duration: 1000,
				transition: Fx.Transitions.Bounce.easeOut // This could have been also 'bounce:out'
			}).tween('height', '480px');
		},
		'mouseleave': function(){
			// Resets the tween and changes the element back to its original size
			this.set('tween', {}).tween('height', '305px');
		}
	});
	
	$('menu3').addEvents({
		'mouseenter': function(){
			// Always sets the duration of the tween to 1000 ms and a bouncing transition
			// And then tweens the height of the element
			this.set('tween', {
				duration: 1000,
				transition: Fx.Transitions.Bounce.easeOut // This could have been also 'bounce:out'
			}).tween('height', '450px');
		},
		'mouseleave': function(){
			// Resets the tween and changes the element back to its original size
			this.set('tween', {}).tween('height', '305px');
		}
	});
	
	$('menu4').addEvents({
		'mouseenter': function(){
			// Always sets the duration of the tween to 1000 ms and a bouncing transition
			// And then tweens the height of the element
			this.set('tween', {
				duration: 1000,
				transition: Fx.Transitions.Bounce.easeOut // This could have been also 'bounce:out'
			}).tween('height', '450px');
		},
		'mouseleave': function(){
			// Resets the tween and changes the element back to its original size
			this.set('tween', {}).tween('height', '305px');
		}
	});
});