function tick() {
    var hours, minutes, seconds, xfile;
    var intHours, intMinutes, intSeconds;
    var today, theday;
    today = new Date();
    function initArray() {
        this.length = initArray.arguments.length
        for (var i = 0; i < this.length; i++)
            this[i + 1] = initArray.arguments[i]
    }
    var d = new initArray(
"星期日",
"星期一",
"星期二",
"星期三",
"星期四",
"星期五",
"星期六");
    theday = today.getFullYear() + "年" + [today.getMonth() + 1] + "月" + today.getDate() + "日   " + d[today.getDay() + 1] + "   ";
    intHours = today.getHours();
    intMinutes = today.getMinutes();
    intSeconds = today.getSeconds();
    if (intHours == 0) {
        hours = "12:";
        xfile = "午夜";
    } else if (intHours < 12) {
        hours = intHours + ":";
        xfile = "上午";
    } else if (intHours == 12) {
        hours = "12:";
        xfile = "正午";
    } else {
        intHours = intHours - 12
        hours = intHours + ":";
        xfile = "下午";
    }
    if (intMinutes < 10) {
        minutes = "0" + intMinutes + ":";
    } else {
        minutes = intMinutes + ":";
    }
    if (intSeconds < 10) {
        seconds = "0" + intSeconds + " ";
    } else {
        seconds = intSeconds + " ";
    }
    timeString = theday + xfile + "   " + hours + minutes + seconds;
    var clock = document.getElementById("clock");
    clock.innerHTML = timeString;
    window.setTimeout("tick();", 1000);
}
$(function() {
    tick();
});