var delay=3000//set delay in miliseconds
var curindex=0
var randomimages=new Array()
randomimages[0]="modules/Home/images/home1.jpg"
randomimages[1]="modules/Home/images/home2.jpg"
randomimages[2]="modules/Home/images/home3.jpg"



var preload=new Array()

for (n=0;n<randomimages.length;n++)
{
preload[n]=new Image()
preload[n].src=randomimages[n]
}

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

function rotateimage()
{

if (curindex==(tempindex=Math.floor(Math.random()*(randomimages.length)))){
curindex=curindex==0? 1 : curindex-1
}
else
curindex=tempindex

document.images.defaultimage.src=randomimages[curindex]
}

setInterval("rotateimage()",delay)