//MooTools, My Object Oriented Javascript Tools. Copyright (c) 2006 Valerio Proietti, <http://mad4milk.net>, MIT Style License.

var argv = '';

window.addEvent('domready', function(){
	var scroll = new Fx.Scroll('wrapper', {
		wait:false,
		duration:550
	});

	var c = $$('.content');
	var i = 1;
		if(c.length < 3) {
				$('next').setStyle('visibility', 'hidden');
				$('prev').setStyle('visibility', 'hidden');
		}

	scroll.toElement('content1');

	$('next').addEvent('click', function(event) {
		event = new Event(event).stop();

		if(i < (c.length)){
			i++;
		}

		argv = 'content' + i;
		scroll.toElement(argv);

		if(i == (c.length)){
			$('next').setStyle('visibility', 'hidden');
		}
		if(i > 1){
			$('prev').setStyle('visibility', 'visible');
		}
	});

	$('prev').addEvent('click', function(event) {
		event = new Event(event).stop();
		if(i != 1){
			i--;
		}

		argv = 'content' + i;
		scroll.toElement(argv);

		if(i == 1){
			$('prev').setStyle('visibility', 'hidden');
		}
		if(i < (c.length - 1)){
			$('next').setStyle('visibility', 'visible');
		}
	});
});