References to Documentation

1. Effects/Fx-Scroll.js#Fx.Scroll
2. Element/Element-Event.js#Element.addEvent
3. Element/Element-Event.js#Event
4. Effects/Fx-Scroll.js#Fx.Scroll.toElement

var scroll = new Fx.Scroll('demo-wrapper', {
	wait: false,
	duration: 2500,
	offset: {'x': -200, 'y': -50},
	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');
});

<h3>Fx.Scroll</h3>
<p><strong>Fly-Over-Background</strong></p>
<p><strong>Note</strong>: Background image is 257kb, it may requires a bit of time to load.</p>
<p>You can find original Fly-Over-Background on <a href="http://dev.digitarald.de/tile.html" title="digitarald's Fly-Over-Background">digitarald's website</a></p>
 
<div id="demo-bar">
	<a id="link1" href="#">The Blue Sky</a> | 
	<a id="link2" href="#">Last Grass</a> |
	<a id="link3" href="#">The Naked Tree</a> |
	<a id="link4" href="#">The Lonesome Tree</a>
</div>
 
<div id="demo-wrapper">
	<div id="demo-inner">
		<div id="content1" class="scrolling-content">
			<h1>The Blue Sky</h1>
		</div>
 
		<div id="content2" class="scrolling-content">
			<h1>Last Grass</h1>
		</div>
 
		<div id="content3" class="scrolling-content">
			<h1>The Naked Tree</h1>
		</div>
 
		<div id="content4" class="scrolling-content">
			<h1>The Lonesome Tree</h1>
		</div>
	</div>
</div>
 

#demo-bar {
	margin: 5px auto;
	padding: 5px 0;
	width: 600px;
	border-bottom: 1px solid #B3D4EF;
	background: #EFF8FF;
	text-align: center;
}
 
#demo-wrapper {
	margin: 5px auto;
	overflow: hidden; 
	height: 400px; 
	width: 600px;
	border: 1px solid #ddd;
	position: relative;
}
 
#demo-inner {
	width: 2270px;
	height: 1704px;
	background-image: url(mountains.jpg);
	position: relative;
}
 
.scrolling-content {
	background: transparent url(bubble.png) top left no-repeat;
	width: 139px;
	height: 73px;
	text-align: center;
	position: absolute;
}
 
.scrolling-content h1 { 
	color: #fff;
	padding: 25px 0;
	font-size: 12px;
}
 
#content1 {
	left: 250px; 
	top: 100px;
}
 
#content2 {
	left: 800px; 
	top: 1350px;
}
 
#content3 {
	left: 1200px; 
	top: 550px;
}
 
#content4 {
	left: 1700px; 
	top: 1300px;
}