var items = [' <img src="images/img_02.jpg" /> ',' <img src="images/img_03.jpg" /> ',' <img src="images/img_04.jpg" /> ','<img src="images/img_05.jpg" />', '<img src="images/img_06.jpg" />','<img src="images/img_07.jpg" />','<img src="images/img_08.jpg" />','<img src="images/img_09.jpg" />','<img src="images/img_10.jpg" />','<img src="images/img_11.jpg" />', '<img src="images/img_01.jpg" />'];

zwiastuny = $('zwiastun');
		
var pos = 0;
var max_pos = 11;

		
function zmien()
{
	var zwEf = zwiastuny.effect('opacity', {duration: 1500});
	if (pos < max_pos) {
		pos=pos+1;				
		zwEf.start(1,0).chain(function(){
		zwiastuny.innerHTML = items[pos];
		zwEf.start(0,1);
		});
	} else {
		pos = 0;
		zwEf.start(1,0).chain(function(){
			zwiastuny.innerHTML = items[pos];
			zwEf.start(0,1);
		});
		}
}
		
window.addEvent('domready', function() {
	zwiastuny.innerHTML = items[0];
		setInterval("zmien()", 9000);
});