// load top nav background images
if (document.images) {
img1 = new Image();
img1.src = "../images/nav/nav1_on.gif";
img2 = new Image();
img2.src = "../images/nav/nav2_on.gif";
img3 = new Image();
img3.src = "../images/nav/nav3_on.gif";
img4 = new Image();
img4.src = "../images/nav/nav4_on.gif";
img5 = new Image();
img5.src = "../images/nav/nav5_on.gif";
}
// simple rollovers for nav
function navSwap(navId,navImg) {
NavItem=document.getElementById(navId);
NavItem.setAttribute("src",navImg);
}