function get_random() {
	// Make sure that random()*X) has the correct
	// number. The number of images defined below.
	var ranNum= Math.floor(Math.random()*4);
	return ranNum;
}

var whichImg=get_random();

function show_image() {
	// Add your images here.
	// Make sure that Array(X) has the number
	// of images that you want to include
	var img=new Array(4);
	img[0]="img/landing_page/London75.jpg";
	img[1]="img/landing_page/Newyork75.jpg";
	img[2]="img/landing_page/Perth75.jpg";
	img[3]="img/landing_page/Landing_PageSaoPaulo1.jpg";
	//img[0]="img/landing_page/tri-nations-rugby1.jpg";
	//img[1]="img/landing_page/tri-nations-rugby2.jpg";
	//img[2]="img/landing_page/tri-nations-rugby3.jpg";
	//img[3]="img/landing_page/tri-nations-rugby4.jpg";
	document.getElementById("flysaaImage").src=img[whichImg];
}