// JavaScript Document
var randnum = Math.random();
var inum = 4;
// Change this number to the number of images you are using.
var rand1 = Math.round(randnum * (inum-1)) + 1;
images = new Array
images[1] = "images/custom/copper_bkgd.png"
images[2] = "images/custom/camo_bkgd.jpg"
images[3] = "images/custom/red_bkgd.png"
images[4] = "images/custom/silver_bkgd.png"
// Ensure you have an array item for every image you are using.
var image = images[rand1]