var today=new Date();
function showday()
{

    var today=new Date();
    var year=today.getYear();
    var month=today.getMonth()+1;
    var day=today.getDate();
    var week=today.getDay();
    year = (year<1900?(1900+year):year);
    switch (week)
    {
    case 0:week="星期日";break;
    case 1:week="星期一";break;
    case 2:week="星期二";break;
    case 3:week="星期三";break;
    case 4:week="星期四";break;
    case 5:week="星期五";break;
    case 6:week="星期六";break;
    }
    var x=year+"年"+month+"月"+day+"日  "+week;
    return x;
}
function showtime()
{
    var today=new Date();
    var h=checkTime(today.getHours());
    var m=checkTime(today.getMinutes());
    var s=checkTime(today.getSeconds());
    var time=h+":"+m+":"+s;	
    return time;
}
function checkTime(i)
{
    if (i<10){i="0" + i}
    return i;
}

//setTimeout(showday,500);
//setInterval(showtime,2000);