// Set up the image files to be used.
var theImages = new Array() // do not change this
// To add more image files, continue with the
// pattern below, adding to the array.

theImages = new Array();
theImages[0] = 'images/banner_img_car1.jpg'
theImages[1] = 'images/banner_img_car2.jpg'
theImages[2] = 'images/banner_img_car1.jpg'
theImages[3] = 'images/banner_img_car2.jpg'

// do not edit 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 alt="banner" src="'+theImages[whichImage]+'">');
}