var theImages = new Array() // do not change this
theImages[0] = 'images/h1.jpg'
theImages[1] = 'images/h2.jpg'
theImages[2] = 'images/h3.jpg'
theImages[3] = 'images/h4.jpg'
theImages[4] = 'images/h5.jpg'
theImages[5] = 'images/h6.jpg'
theImages[6] = 'images/h7.jpg'
theImages[7] = 'images/h8.jpg'
theImages[8] = 'images/h9.jpg'
theImages[9] = 'images/h10.jpg'
theImages[10] = 'images/h11.jpg'
theImages[11] = 'images/h12.jpg'
theImages[12] = 'images/h13.jpg'
theImages[13] = 'images/h14.jpg'

// do not change anything below this line
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]+'">');
}