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");

var timerID = null;
var timerRunning = false;
function stopclock (){
if(timerRunning)
clearTimeout(timerID);
timerRunning = false;}
function startclock () {
stopclock();
showtime();}
function showtime () {
var now = new Date();
var hours = now.getHours();
var minutes = now.getMinutes();
var seconds = now.getSeconds()
var timeValue = "" + hours;
//timeValue += ((hours >12) ? hours -12 :hours);
timeValue += ((minutes < 10) ? ":0" : ":") + minutes;
timeValue += ((seconds < 10) ? ":0" : ":") + seconds;
var timestr = (today.getMonth()+1)+"月"+today.getDate()+"日"+d[today.getDay()+1]+timeValue;
var cur_div = document.getElementById("cur_time");

cur_div.innerHTML = timestr;

timerID = setTimeout("showtime()",1000);
timerRunning = true;}