var slidingTimer = null;
var Ticker = new Class({
	setOptions: function(options) {
		this.options = Object.extend({
			speed: 1000,
			delay: 4000,
			direction: 'vertical',
			onComplete: Class.empty,
			onStart: Class.empty
		}, options || {});
	},
	initialize: function(el,options){
		this.setOptions(options);
		this.el = $(el);
		this.items = this.el.getElements('li');
		var w = 0;
		var h = 0;
		if(this.options.direction.toLowerCase()=='horizontal') {
			h = this.el.getSize().y;
			this.items.each(function(li,index) {
				w += li.getSize().x;
			});
		} else {
			w = this.el.getSize().x;
			this.items.each(function(li,index) {
				h += li.getSize().y;
			});
		}
		this.el.setStyles({
			position: 'absolute',
			top: 0,
			left: 0,
			width: w,
			height: h
		});
		this.fx = new Fx.Morph(this.el,{duration:this.options.speed,link:'ignore',onComplete:function() {
			var i = (this.current==0)?this.items.length:this.current;
			this.items[i-1].injectInside(this.el);
			this.current++;
			this.el.setStyles({
				left:0,
				top:0
			});
		}.bind(this)});
		this.current = 1;
		slidingTimer = this.next.bind(this).delay(this.options.delay+this.options.speed);
	},
	pause: function() {
	    $clear(slidingTimer);
	    slidingTimer = null;
	},
	resume: function() {
	    if (slidingTimer == null) {
	   		this.next();
	    }
	},
	next: function() {
		if (this.current >= this.items.length) this.current = 0;
		var pos = this.items[this.current];
		this.fx.start({
			top: -pos.offsetTop,
			left: -pos.offsetLeft
		});
		slidingTimer = this.next.bind(this).delay(this.options.delay+this.options.speed);
	}
});

var hor;

window.addEvent('domready', function() {
	var scroller = $('home-right-scroller');
	hor = new Ticker(scroller.getElement('ul'));
	
	setMouseovers()
});

function mainPause(){
	hor.pause();
	$('home-right-scroller').removeEvents();
}

function mainPlay(){
	setMouseovers();
	this.current++;
}

function setMouseovers(){
	$('home-right-scroller').addEvents({
		'mouseenter': function(){hor.pause();},
		'mouseleave': function(){hor.resume();}
	});
}