var delay4=10000 //set delay in miliseconds
var curindex4=0

var randomimages4=new Array(
						   "images/slide_4/1.jpg",
						   "images/slide_4/2.jpg",
						   "images/slide_4/3.jpg",
						   "images/slide_4/4.jpg",
						   "images/slide_4/5.jpg",
						   "images/slide_4/6.jpg",
						   "images/slide_4/7.jpg",
						   "images/slide_4/8.jpg",
						   "images/slide_4/9.jpg",
						   "images/slide_4/10.jpg",
						   "images/slide_4/11.jpg",
						   "images/slide_4/12.jpg",
						   "images/slide_4/13.jpg",
						   "images/slide_4/14.jpg",
						   "images/slide_4/15.jpg"
						   )

var preload4=new Array()

for (l=0;l<randomimages4.length;l++)
{
	preload4[l]=new Image()
	preload4[l].src=randomimages4[l]
}

document.write('<img name="defaultimage4" src="'+randomimages4[Math.floor(Math.random()*(randomimages4.length))]+'">')

function rotateimage4()
{

if (curindex4==(tempindex4=Math.floor(Math.random()*(randomimages4.length)))){
curindex4=curindex4==0? 1 : curindex4-1
}
else
curindex4=tempindex4

	document.images.defaultimage4.src=randomimages4[curindex4]
}

setInterval("rotateimage4()",delay4)