browser = (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 )) || ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 )))
if (browser) {
im1off = new Image(); 
im1off.src = "img/support_off.jpg";
im2off = new Image(); 
im2off.src = "img/solutions_off.jpg";
im3off = new Image(); 
im3off.src = "img/downloads_off.jpg";
im4off = new Image(); 
im4off.src = "img/news_off.jpg";
im5off = new Image(); 
im5off.src = "img/links_off.jpg";
im1on = new Image(); 
im1on.src = "img/support_on.jpg";
im2on = new Image(); 
im2on.src = "img/solutions_on.jpg";
im3on = new Image(); 
im3on.src = "img/downloads_on.jpg";
im4on = new Image(); 
im4on.src = "img/news_on.jpg";
im5on = new Image(); 
im5on.src = "img/links_on.jpg";
function doOn(priName) {
if (browser) {
imOn = eval(priName + "on.src");
document[priName].src = imOn;}}
function doOff(priName) {
if (browser) {
imOff = eval(priName + "off.src");
document[priName].src = imOff;}}}