function tabmenu(id,num,name) {
        var i = 1;
        var k = num;
        for (i; i <= k; i++) {
            var _id = name + i;
            var obj = document.getElementById(_id);
            if (id == i) {
                obj.style.display = "block";
            }
            else {
                obj.style.display = "none";
            }
            if (id == 0) {
                obj.style.display = "none";
            }
        }
    }