(function () {
	var makeArray = function (nodeList) {
		var arr = [];
		var i;
		for (i = 0; i < nodeList.length; i += 1) {
			arr.push(nodeList[i]);
		}
		return arr;
	};
	
	var slideShow = function ()	{
		var productPhotos = document.getElementById('product-photos');
		var images = makeArray(productPhotos.getElementsByTagName('img'));

		setInterval(function () {
			var curr = images.pop();
			curr.style.display = 'none';
			images[8].style.display = 'block';
			images.unshift(curr);
		}, 6000);
	};
	
	window.onload = slideShow;
}());