// JavaScript Document
<!-- Begin
var rand1 = 0;
var useRand = 0;

var images = new Array();

images[0] = "images/background/main.jpg";
images[1] = "images/background/nu_bg.jpg";


function swapPic() {
	var index = Math.floor(Math.random()* images.length);
	var bgImg = document.getElementById("bgImg");
	bgImg.src = images[index];
}

window.onload = swapPic;
//  End -->