Tord002,
var images = ['img/1.png', 'img/2.png', 'img/3.png', 'img/4.png', 'img/5.png'],
length = images.length,
index = 0;
(function animate() {
document.getElementById('img').src = images[index];
index = ++index % length
window.setTimeout(animate,index ? 65 : 4500)
}())