window.addEvent('domready',function() {
	initSlider();
});

var currentIndex = 0;
var slides = '';

function initSlider()
{
	if(document.getElement('.news_cont'))
	{
		var container = document.getElement('.news_cont');

		var showDuration = document.getElement('input[name=news_timer]').getValue();
		
		slides = document.getElements('.news');
		
		slides.each(function(slide,i){ 
			if(i > 0) {
				slide.setOpacity(0);
			}
		});
		show.periodical(showDuration);		
	}
}

function show() {
			var myFx = new Fx.Style(slides[currentIndex], 'opacity').start(1,0);
			var myFx = new Fx.Style(slides[currentIndex = currentIndex < slides.length - 1 ? currentIndex+1 : 0], 'opacity').start(0,1);
};