if(navigator.appVersion.charAt(0) >= "3") {
        IMG01on = new Image;
        IMG01on.src = "./b-userd2.gif";
        IMG01off = new Image;
        IMG01off.src = "./b-userd.gif";

        IMG02on = new Image;
        IMG02on.src = "./b-com2.gif";
        IMG02off = new Image;
        IMG02off.src = "./b-com.gif";

        IMG03on = new Image;
        IMG03on.src = "./b-prof2.gif";
        IMG03off = new Image;
        IMG03off.src = "./b-prof.gif";

        IMG04on = new Image;
        IMG04on.src = "./b-link2.gif";
        IMG04off = new Image;
        IMG04off.src = "./b-link.gif";

        IMG05on = new Image;
        IMG05on.src = "./b-arc2.gif";
        IMG05off = new Image;
        IMG05off.src = "./b-arc.gif";
}

function slideonchg(imgfile) {
        if(navigator.appVersion.charAt(0) >= "3") {
                document[imgfile].src = eval(imgfile + "on.src");
        } else { }
}

function slideoffchg(imgfile) {
        if(navigator.appVersion.charAt(0) >= "3") {
                document[imgfile].src = eval(imgfile + "off.src");
        } else { }
}