var arImages = new Array();

arImages[0] = '/newsite/images/pageheads/1.jpg'
arImages[1] = '/newsite/images/pageheads/2.jpg'
arImages[2] = '/newsite/images/pageheads/3.jpg'
arImages[3] = '/newsite/images/pageheads/4.jpg'
arImages[4] = '/newsite/images/pageheads/5.jpg'

var j = 0
var p = arImages.length;
var arBuffer = new Array()
for (i = 0; i < p; i++){
   arBuffer[i] = new Image()
   arBuffer[i].src = arImages[i]
}
var whichImage = Math.round(Math.random()*(p-1));

function showImage()
{
	document.write('<img src="'+arImages[whichImage]+'">');
}