var dateYear;
var dateMonth;
var dateDay;
var dateHours;
var dateMinute;
var dateSecond;
var dateWeek;
onload = function (){showTimeStyle();}
function startTime()
{
	var today=new Date()   //取本地时间
	 dateYear = today.getUTCFullYear()	//年份
	 dateMonth = (1+today.getUTCMonth()) //月
	 dateDay = today.getDate()		//日
	 dateHours = today.getHours()		//小时
	 dateMinute = today.getMinutes()	//分钟
	 dateSecond = today.getSeconds()	//秒
	// add a zero in front of numbers<10

	if(today.getDay()==0)     dateWeek = "星期日"
	if(today.getDay()==1)     dateWeek = "星期一"
	if(today.getDay()==2)     dateWeek = "星期二"
	if(today.getDay()==3)     dateWeek = "星期三"
	if(today.getDay()==4)     dateWeek = "星期四"
	if(today.getDay()==5)     dateWeek = "星期五"
	if(today.getDay()==6)     dateWeek = "星期六"

	if (dateSecond<10) dateSecond = "0" +  dateSecond
	if (dateMonth<10) dateMonth="0" + dateMonth

//	document.getElementById('txt').innerHTML='今天是：'dateYear+"."+dateMonth+"."+dateDay+"日"+dateWeek+"\n"+dateHours+":"+dateMinute+":"+dateSecond 
	
} 
function showTimeStyle(){
	startTime();
	document.getElementById('showTime').innerHTML = '今天是：'+dateYear+"."+dateMonth+"."+dateDay+"日&nbsp;"+dateWeek ;
	t=setTimeout('showTimeStyle()',500)
}