JA_NewsHeadline_EN = new Class ({
	initialize: function(options){
		this.options = Object.extend({
			autoroll: 0,
			total: 0,
			delaytime: 10
		}, options || {});
		this.elements = [];
		this._current = 0;
	},

	start: function() {
		//Get cache news to array
		if(!$('ja-newshlcache') || !$('ja-newshlcache').getChildren()) return;
		$('ja-newshlcache').getChildren().each(function (el){
			el._title = el.getElement('.ja-newstitle')?el.getElement('.ja-newstitle').getProperty('title'):'';
			el.setStyle('opacity', 0);
			this.elements.push(el);
		},this);
		this.element = this.elements[this._current].clone();
		this.element.inject($('jahl-newsitem-en'));
		this.element.setStyle('opacity', 1);
		this.run();
	},
	
	run: function() {
		if(!this.options.autoroll || this.options.total<2) return;
		this._next = this._current < this.options.total - 1?this._current+1:0;
		this.timer = setTimeout(this.swap.bind(this), this.options.delaytime*1000);	
	},
	
	getNext: function() {
		return (this._current < this.options.total - 1)?this._current+1:0;
	},

	getPrev: function() {
		return this._current > 0 ? this._current - 1 : this.options.total - 1;
	},

	next: function() {
		this._next = this.getNext();
		this.swap();
	},
	
	prev: function() {
		this._next = this.getPrev();
		this.swap();
	},
	
	toogle: function() {
		clearTimeout(this.timer);
		this.options.autoroll = this.options.autoroll?0:1;
		Cookie.set('JAHL-AUTOROLL',this.options.autoroll);
		if($('jahl-switcher')) {
			$('jahl-switcher').src = this.options.autoroll? $('jahl-switcher').src.replace('play','pause'):$('jahl-switcher').src.replace('pause','play');
			$('jahl-switcher').title = this.options.autoroll?'Pause':'Play';
		}
		this.run();
	},

	swap: function() {
		if(!this.elements.length) return;
		clearTimeout(this.timer);
		this.anim1();
	},

	anim1: function() {
		new Fx.Style(this.element, 'opacity', {onComplete:this.anim2.bind(this)}).start(1, 0);
	},

	anim2: function() {
		this._current = this._next;
		this.element = this.element.replaceWith(this.elements[this._current].clone());
		new Fx.Style(this.element, 'opacity', {onComplete:this.run.bind(this)}).start(0, 1);
		if($('jahl-prev')) $('jahl-prev').setProperty('title', this.elements[this.getPrev()]._title);
		if($('jahl-next')) $('jahl-next').setProperty('title', this.elements[this.getNext()]._title);
		if($('jahl-indicator')) $('jahl-indicator').innerHTML = (this._current+1)+"/"+this.options.total;
	}
});