var topNews = new Class({
	
	initialize: function(params) {
		
		this.UlList = $$('.topNewsBox li');
		this.DivList = $('topBoxNewsList');
		
		$('topBoxNewsList').style.height = '18px';
		$('topBoxNewsList').style.overflow = 'hidden';
		
		if (this.UlList.length > 0) {
			this.setup();
		}

	},
	
	setup: function(i) {
	 	
		i = i || 0;
		i = i > this.UlList.length-1 ? 0 : i;
		
		$('topBoxNewsList').fnNext = (function() {
			i = (typeof(this.UlList[i]) != 'object' ? 0 : i+1);
			this.setup(i);
			return false;
		}).bind(this, i);
		
		$('topBoxNewsList').setHTML(this.UlList[i].innerHTML);
		$('topBoxNewsList').setStyle('padding-left', 740);  
		$('topBoxNewsList').setStyle('opacity', 1);  
	     $('topBoxNewsList').fx = $('topBoxNewsList').effect('padding-left', {duration: 500}).start(740, 1).chain(
			function() {
				$('topBoxNewsList').fx = $('topBoxNewsList').effect('timer', {duration: 6000, onComplete:
					function () {
						$('topBoxNewsList').fx = $('topBoxNewsList').effect('opacity', {duration: 1500}).start(1, 0).chain(
							function() { $('topBoxNewsList').fnNext() }
						)
					}
				
				}).start(0, 100)
			}
	
	     );
	}
});