// JavaScript Document
function randomImg() {
  // an array containing the images you want to use.
   var images = new Array("images/wow_images/tourism_front1.jpg",
				"images/wow_images/tourism_front2.jpg",
				"images/wow_images/tourism_front3.jpg",
				"images/wow_images/tourism_front4.jpg",
				"images/wow_images/tourism_front5.jpg",
				"images/wow_images/tourism_front6.jpg",
				"images/wow_images/tourism_front7.jpg");

   var i = parseInt(Math.random() * images.length);
  
  // this line returns the path of the randomly selected image
  return images[i];
}