// JavaScript Document
if (document.images) {
   img1 = new Image(); img1.src = "images/header/home-on.jpg";
   img2 = new Image(); img2.src = "images/header/job-on.jpg";
   img3 = new Image(); img3.src = "images/header/newuser-on.jpg";
   img4 = new Image(); img4.src = "images/header/signup-on.jpg";
   img5 = new Image(); img5.src = "images/header/biz-on.jpg";

}
function setImage(img, image) {
   if (img) {
      img.src = image;
   }
}