function selectTab(obj) {
        var spans = document.getElementById("listlink").getElementsByTagName("span");
        var objId = obj.parentElement.id;
        for (var i = 0; i < spans.length;i++) {
            if (spans[i].id == objId) {
                spans[i].innerHTML = "<b>" + obj.innerHTML + "</b>";
                document.getElementById("c").value = spans[i].id;
                document.getElementById("src").value = (spans[i].id == "news") ? "hnce" : "rcs";
            }
            else {
                spans[i].innerHTML = "<a href=\"#\" onclick=\"selectTab(this);\">" + spans[i].innerText + "</a>";
            }
        }
    }