function get_date(){ 
var date=new Date(); 
var year=""; 
var month=""; 
var day = ""; 
var week = ""; 
var hour = ""; 
var minute = ""; 
var second = ""; 
var val = ""; 
year = date.getFullYear(); 
month = add_zero(date.getMonth()+1); 
day = add_zero(date.getDate()); 
week = date.getDay(); 
switch(week){ 
case 0:val="星期天";break 
case 1:val="星期一";break 
case 2:val="星期二";break 
case 3:val="星期三";break 
case 4:val="星期四";break 
case 5:val="星期五";break 
case 6:val="星期六";break 
} 
hour = add_zero(date.getHours()); 
minute = add_zero(date.getMinutes()); 
second = add_zero(date.getSeconds()); 
document.getElementById('timeDiv').innerHTML = " "+year+"年"+month+"月"+day+"日 "+hour+":"+minute+":"+second+" "+val; 
} 
//如果传入的值小于10，则在传入值前面补0 
function add_zero(temp){ 
if(temp < 10){ 
return "0"+temp; 
}else{ 
return temp; 
} 
} 
//每秒调用get_date()函数 
setInterval("get_date()",1000);