function realTime(index) {
    var d = new Date();
    var dayDes = new Array("天", "一", "二", "三", "四", "五", "六");
    var t = document.all("timerbar_" + index);
    if (t) {
        t.innerHTML = d.getFullYear() + "-" + (((d.getMonth() + 1) + "").length == 2 ? (d.getMonth() + 1) : "0" + (d.getMonth() + 1))

+ "-" + ((d.getDate() + "").length == 2 ? d.getDate() : "0" + d.getDate()) + " " + ((d.getHours() + "").length == 2 ? d.getHours() : "0" + d.getHours

()) + ":" + ((d.getMinutes() + "").length == 2 ? d.getMinutes() : "0" + d.getMinutes()) + ":" + ((d.getSeconds() + "").length == 2 ? d.getSeconds

() : "0" + d.getSeconds()) + " 星期" + dayDes[d.getDay()];
    }
    setTimeout("realTime(" + index + ");", 1000);
}

function timer_begin(index) {
    document.write("<span id=timerbar_" + index + " align=center style='font-size:12px;color:red'></span>");
    realTime(index);
}