function shopTabHover(event) {
    var e = (event.srcElement) ? event.srcElement : event.target;
    if (e.tagName == "TD") {
        if (e.getAttribute("name") != null) {
            e.style.textDecoration = (event.type == "mouseover") ? "underline" : "";
        }
    }
}

function shopTabClick(event) {
    var e = (event.srcElement) ? event.srcElement : event.target;
    if (e.tagName == "TD") {
        var name = e.getAttribute("name");
        if (name != null) {
            location.href = name;
        }
    }
}