var mydate = new Date();
var myyear = mydate.getYear();
var mymonth = mydate.getMonth()+1;
var myday = mydate.getDate();
var myweekday = mydate.getDay();
var year = (myyear > 2000) ? myyear : 1900 + myyear;
var month = mymonth;
var day = myday;
var weekday;
switch(myweekday) {
	case 0: weekday = '星期日';
	break;
	case 1: weekday = '星期一';
	break;
	case 2: weekday = '星期二';
	break;
	case 3: weekday = '星期三';
	break;
	case 4: weekday = '星期四';
	break;
	case 5: weekday = '星期五';
	break;
	case 6: weekday = '星期六';
	break;
}
function displayTime() {
	if (!document.getElementById || !document.getElementById('time')) return false;
	var time = document.getElementById('time');
	time.innerHTML = year+" 年 "+month+" 月 "+day+" 日 "+ weekday;
}