// JavaScript Document
function displayImage() {
	function image() { };
	image = new image();
	number = 0;
	// imageArray
	image[number++] = "<img src='images/chicago1.jpg' alt='Chicago' width='300' height='180' border='0' />"
	image[number++] = "<img src='images/chicago2.jpg' alt='Chicago' width='300' height='180' border='0' />"
	image[number++] = "<img src='images/chicago3.jpg' alt='Chicago' width='300' height='180' border='0' />"
	image[number++] = "<img src='images/chicago4.jpg' alt='Chicago' width='300' height='180' border='0' />"
	image[number++] = "<img src='images/chicago5.jpg' alt='Chicago' width='300' height='180' border='0' />"
	image[number++] = "<img src='images/chicago6.jpg' alt='Chicago' width='300' height='180' border='0' />"
	increment = Math.floor(Math.random() * number);  document.write(image[increment]);
}

function printpage() {
	window.print();  
}