// Select Random Header image
var theImages = new Array() 
theImages[0] = '/shared/images/aus_01.jpg'
theImages[1] = '/shared/images/home_01_2.jpg'
theImages[2] = '/shared/images/home_01_3.jpg'
theImages[3] = '/shared/images/home_01_4.jpg'
theImages[4] = '/shared/images/home_01_5.jpg'
theImages[5] = '/shared/images/home_01_6.jpg'
theImages[6] = '/shared/images/home_01_7.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]+'" width="780" height="174">');
}