// JavaScript Document

// 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. Rememeber
// to increment the theImages[x] index!

theImages[0] = '../images/header_bg_6.jpg'
theImages[1] = '../images/header_bg_7.jpg'
theImages[2] = '../images/header_bg_8.jpg'
theImages[3] = '../images/header_bg.jpg'
theImages[4] = '../images/header_bg_2.jpg'
theImages[5] = '../images/header_bg_3.jpg'
theImages[6] = '../images/header_bg_4.jpg'
theImages[7] = '../images/header_bg_5.jpg'
theImages[8] = '../images/header_bg_6.jpg'
theImages[9] = '../images/header_bg_7.jpg'
theImages[10] = '../images/header_bg_8.jpg'
theImages[11] = '../images/header_bg_9.jpg'
theImages[12] = '../images/header_bg_10.jpg'
theImages[13] = '../images/header_bg_11.jpg'
theImages[14] = '../images/header_bg_12.jpg'
theImages[15] = '../images/header_bg_13.jpg'
theImages[16] = '../images/header_bg_14.jpg'
theImages[17] = '../images/header_bg_15.jpg'
theImages[18] = '../images/header_bg_16.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]+'">');
}