// JavaScript Document
function startTime()
{
    var today = new Date();             //定义一个时间对象
    var h = today.getHours();           //定义小时
    var m = today.getMinutes();         //定义分钟
    var s = today.getSeconds();         //定义秒
    // add a zero in front of numbers<10
    m = checkTime(m);                   //把分给checkTime处理
    s = checkTime(s);                   //把秒给checkTime处理
//    document.getElementById('timetxt').innerHTML = h + ":" + m + ":" + s // 在层txt中显示
    t = setTimeout('startTime()', 500);  //关键的一句，美隔500毫秒运行一次本函数
}

//这函数意思很简单了，就是要实现01-09的效果
function checkTime(i)
{
    if (i < 10) //
    {
        i = "0" + i;
    }
    return i;
}

// 
var urodz = new Date("dec 04,2010"); 
var now = new Date(); 
var ile = urodz.getTime() - now.getTime(); 
var dni = Math.floor(ile / (1000 * 60 * 60 * 24));
var t = "";
var m = "<span style='font-size:22px; font-weight:bold; color:#FF9900; line-height:1.5em'>" + dni + "</span>";
var n = "<span style='font-size:22px; font-weight:bold; color:#FF9900; line-height:1.5em'>2</span>";
var u = "<span style='font-size:22px; font-weight:bold; color:#FF9900; line-height:1.5em'>1</span>";
var w = "<span style='font-size:22px; font-weight:bold; color:#FF9900; line-height:1.5em'>0</span>";
var v = "<span id='timetxt' style='background:#333; color:#FFF'></span></span></span>";
if (dni > 1) document.write(t + m + v);
else if (dni == 1) document.write(t + n + v);
else if (dni == 0) document.write(t + u + v);
else document.write(t + w + v);  
startTime();