function clearOn(){
	var links = document.getElementsByTagName('A');
	for(var i=0; i < links.length; i++){
		if(links[i].className == "onstate"){
			links[i].className = "";
		}
	}
}
window.addEvent('domready', function(){
var scroll = new Fx.Scroll('thumb-wrapper', {
	wait: false,
	duration: 500,
	transition: Fx.Transitions.Quad.easeInOut
});
 
$('link1').addEvent('click', function(event) {
	event = new Event(event).stop();
	scroll.toElement('content1');
	clearOn();
	this.className = 'onstate';
});
 
$('link2').addEvent('click', function(event) {
	event = new Event(event).stop();
	scroll.toElement('content2');
	clearOn();
	this.className = 'onstate';
});
});