window.addEvent('domready', function() {
	
	var num = 1;
    var maxnum = 5;
    var focus = maxnum;
    
    slideshow = setInterval(swap_img, 3000);
    
    function swap_img() {
        for (var i = maxnum; i >= num; i--) {
            if (i == focus) {
                $('fade' + focus).fade(1);	
            } else {
                $('fade' + i).fade(0);
            }
        }
        (focus > num) ?	focus-- : focus = maxnum;
    }
	
});