var Ticker = new Class({

	initialize: function(el, options) {
		if(Browser.loaded){
			this.setup(el, options);
		} else{
			window.addEvent('domready', this.setup.pass([el, options],this));
		}
	},	
      		
		setOptions: function(options) {
			this.options = Object.extend({
				speed: 1000,
				delay: 5000,
				direction: 'vertical',
				onComplete: Class.empty,
				onStart: Class.empty
			}, options || {});
		},
		
		setup: function(el,options){			 	 
			this.setOptions(options);       		
			this.el = $(el);
			this.items = this.el.getElements('div.user-scnews-pi1-item');

			var w = 0;
			var h = 0;
			if(this.options.direction.toLowerCase()=='horizontal') {
				h = this.el.getSize().y;
				this.items.each(function(div,index) {
					w += div.getSize().x;
				});
			} else {
				w = this.el.getSize().x;
				this.items.each(function(div,index) {
					h += div.getSize().y;
				});
			}
			this.el.setStyles({
				position: 'relative',
				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].inject(this.el);
				this.el.setStyles({
					left:0,
					top:0
				});
			}.bind(this)});
			this.current = 0;
			//this.next();
			this.nextTimer = 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,
				left: -pos.offsetLeft
			});
			this.nextTimer = this.next.bind(this).delay(this.options.delay+this.options.speed);
		}
});
