if (document.images) {
nexton = new Image();
nexton.src = "../../images/CertainteedLogoEnter.jpg"
nextoff = new Image();
nextoff.src = "../../images/CertainteedLogoSm.jpg"
backon = new Image();
backon.src = "../../images/AlcoaLogoEnter.jpg"
backoff = new Image();
backoff.src = "../../images/AlcoaLogoSm.jpg"
craneon = new Image();
craneon.src = "../../images/CraneLogoEnter.jpg"
craneoff = new Image();
craneoff.src = "../../images/CraneLogoSm.jpg"
hearton = new Image();
hearton.src = "../../images/HeartlandLogoEnter.jpg"
heartoff = new Image();
heartoff.src = "../../images/HeartlandLogoSm.jpg"}
function img_act(imgName) {
if (document.images) {
imgOn = eval(imgName + "on.src");
document [imgName].src = imgOn;}}
function img_inact(imgName) {
if (document.images) {
imgOff = eval(imgName + "off.src");
document [imgName].src = imgOff;}}