var mytimer = null;
var Ticker = new Class({
	setOptions: function(options) {
		this.options = Object.extend({
			speed: 2500,
			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,
				onComplete:function() {
					var i = (this.current==0)?this.items.length:this.current;
					this.items[i-1].injectInside(this.el);
					this.el.setStyles({
						left:0,
						top:0
					});
				}.bind(this)
			}
		);
		this.current = 0;
		this.next.bind(this).delay(this.options.delay+this.options.speed);
	},
	next: function() {
		this.current++;
		if (this.current >= this.items.length) this.current = 0;
		var pos = this.items[this.current];
		this.fx.start({
			top: -pos.offsetTop
		});

		//this.next.bind(this).delay(this.options.delay+this.options.speed);
		//In the next function, set the mytimer var to the delay timer.
		mytimer = this.next.bind(this).delay(this.options.delay+this.options.speed);
	},
	pause: function() {
		$clear(mytimer);
		mytimer = null;
	},
	resume: function() {
		if (mytimer == null) {
			this.next();
		}
	}
});