标准日期格式化

 function showLocale(objD)
{
    var str,colorhead,colorfoot;
    var yy = objD.getYear();
    if(yy<1900) yy = yy+1900;
    var MM = objD.getMonth()+1;
    if(MM<10) MM = '0' + MM;
    var dd = objD.getDate();
    if(dd<10) dd = '0' + dd;
    var hh = objD.getHours();
    if(hh<10) hh = '0' + hh;
    var mm = objD.getMinutes();
    if(mm<10) mm = '0' + mm;
    var ss = objD.getSeconds();
    if(ss<10) ss = '0' + ss;
    if (hh <= 11) var amOrPm =" am";
    if (hh > 11) var amOrPm =" pm";
    if (hh > 12) hh = hh - 12;
    if (hh == 0) hh = 12;
 
    var ww = objD.getDay();
    if  (ww==0)  ww="星期日";
    if  (ww==1)  ww="星期一";
    if  (ww==2)  ww="星期二";
    if  (ww==3)  ww="星期三";
    if  (ww==4)  ww="星期四";
    if  (ww==5)  ww="星期五";
    if  (ww==6)  ww="星期六";
    str = yy + "-" + MM + "-" + dd + "- " + ww + " " + hh + ":" + mm + ":" + ss + amOrPm;
    return(str);
}
function tick()
{
    var today;
    today = new Date();
    document.getElementById("time").innerHTML = showLocale(today);
    window.setTimeout("tick()", 1000);
}
    

 function showLocale(objD)
{
    var str,colorhead,colorfoot;
    var yy = objD.getYear();
    if(yy<1900) yy = yy+1900;
    var MM = objD.getMonth()+1;
    if(MM<10) MM = '0' + MM;
    var dd = objD.getDate();
    if(dd<10) dd = '0' + dd;
    var hh = objD.getHours();
    if(hh<10) hh = '0' + hh;
    var mm = objD.getMinutes();
    if(mm<10) mm = '0' + mm;
    var ss = objD.getSeconds();
    if(ss<10) ss = '0' + ss;
    if (hh <= 11) var amOrPm =" am";
    if (hh > 11) var amOrPm =" pm";
    if (hh > 12) hh = hh - 12;
    if (hh == 0) hh = 12;
 
    var ww = objD.getDay();
    if  (ww==0)  ww="星期日";
    if  (ww==1)  ww="星期一";
    if  (ww==2)  ww="星期二";
    if  (ww==3)  ww="星期三";
    if  (ww==4)  ww="星期四";
    if  (ww==5)  ww="星期五";
    if  (ww==6)  ww="星期六";
    str = yy + "-" + MM + "-" + dd + "- " + ww + " " + hh + ":" + mm + ":" + ss + amOrPm;
    return(str);
}
function tick()
{
    var today;
    today = new Date();
    document.getElementById("time").innerHTML = showLocale(today);
    window.setTimeout("tick()", 1000);
}