var temp ="";
temp = navigator.userAgent.substring(8,9);
browserVer=0;
if (parseFloat(temp)>2){
        browserVer=1;
        }
if (browserVer == 1) {

menu01 = new Image;
menu01.src = "images/menu01off.gif";

menu01_a = new Image;
menu01_a.src = "images/menu01on.gif";

menu02 = new Image;
menu02.src = "images/menu02off.gif";

menu02_a = new Image;
menu02_a.src = "images/menu02on.gif";

menu03 = new Image;
menu03.src = "images/menu03off.gif";

menu03_a = new Image;
menu03_a.src = "images/menu03on.gif";

menu04 = new Image;
menu04.src = "images/menu04off.gif";

menu04_a = new Image;
menu04_a.src = "images/menu04on.gif";

back = new Image;
back.src = "../../images/backon.gif";

back_a = new Image;
back_a.src = "../../images/backoff.gif";

}
function MenuBars(imgID,imgObj) {
if (browserVer == 1) {
document.images[imgID].src = eval(imgObj + ".src")
}}