//Javascript

function change(name, image) {
	document.images[name].src=image+".jpg";
	}

var theImages = new Array()

theImages[0] = 'images/topbar/1.JPG'
theImages[1] = 'images/topbar/2.jpg'
theImages[2] = 'images/topbar/3.JPG'
theImages[3] = 'images/topbar/4.JPG'
theImages[4] = 'images/topbar/5.jpg'

var j = 0
var p = theImages.length;
var preBuffer = new Array()
for (i = 0; i < p; i++){
   preBuffer[i] = new Image()
   preBuffer[i].src = theImages[i]
}
var whichImage = Math.round(Math.random()*(p-1));
function showImage(){
document.write('<img src="'+theImages[whichImage]+'">');
}