var delay=199999 //set delay in miliseconds
var curindex=0
var randomimages=new Array()

	
	randomimages[0]="../images/R-Spring-2008.jpg"
    randomimages[1]="../images/R-Fall-2008.jpg"
	randomimages[2]="../images/R-Summer-2008.jpg"
    randomimages[3]="../images/R-Winter-2008.jpg"
    randomimages[4]="../images/R-Spring-2009.jpg"
    randomimages[5]="../images/R-Summer-2009.jpg"
	randomimages[6]="../images/R-Special-2009.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)