window.addEvent('domready',function() {
		/* settings */
		var showDuration = 4500;
		var container = $('slider');
		var images = $$('.obj');
		var currentIndex = images.length-1;
		var lastIndex = 0;
		var interval;
		/* opacity and fade */
		images.each(function(img,i){
			if(i != currentIndex) {
				img.setStyle('opacity',0);
				img.setStyle('z-index',1);
			}
			var e=img.getChildren('a').getFirst();
			e.setHTML('<img src="'+e.getProperty('title')+'" alt="'+img.getFirst().getProperty('title')+'" />');
			e.setProperty('title','');
		});
		/* worker */
		var show = function() {
			lastIndex = currentIndex;
			images[currentIndex = currentIndex < images.length - 1 ? currentIndex+1 : 0].setStyle('z-index',1000);
			new Fx.Style(images[currentIndex], 'opacity', { duration:800 , onComplete:
				function() {
					images[lastIndex].setStyle('opacity',0);
					images[lastIndex].setStyle('z-index',1);
        		}
    		}).start(1); 
		};
		/* start once the page is finished loading */
		window.addEvent('load',function(){
			interval = show.periodical(showDuration);
		});
	});