// 2009-04-15, MUROYA Taizo, muroya@nact.jp

function show_next(elements, current, last) {
	$(elements[last]).fadeOut(2000);
	$(elements[current]).fadeIn(2000);

	if ( ( current + 1 ) < elements.length ) {
		last = current;
		current = current + 1;
	} else {
		last = elements.length - 1;
		current = 0;
	};

	setTimeout(function(){ show_next(elements, current, last); }, 4000);
}

$(document).ready(function(){
	var elements = $('#images').children();

	for (i = 0; i < elements.length; i++) {
	   $(elements[i]).css('z-index', String(elements.length - i));
	   $(elements[i]).css('position', 'absolute');
	   $(elements[i]).css('left', '208px');
	   $(elements[i]).hide();
	}
	$(elements[0]).show();

	setTimeout(function(){ show_next(elements, 1, 0); }, 4000);
});