var images = new Array("img/slideshow/portrait/2.jpg","img/slideshow/portrait/3.jpg","img/slideshow/portrait/4.jpg","img/slideshow/portrait/5.jpg","img/slideshow/portrait/6.jpg","img/slideshow/portrait/7.jpg","img/slideshow/portrait/8.jpg","img/slideshow/portrait/9.jpg","img/slideshow/portrait/10.jpg");
var speed = 4;
var item = 0;

function slideshow() {
document.getElementById('slideshow').src = images[item];
item++;
	if (item == 9) {
	item = 0;
	}
window.setTimeout('slideshow()',speed * 1000);
}