//カウントダウン

var d = new Date();
d = d.getTime();

var xday = new Date('2010/3/29');//終了日→この日になったとたん終了
var yday = new Date('2010/3/28');//何日まで買えるか
var tmpstr = '特典は配布終了しました';
var campstr = '特典配布終了まであと';

var yY = yday.getFullYear();
var yM = parseInt(yday.getMonth()) + 1;
var yD = yday.getDate();
var ystr = yY+"年"+yM+"月"+yD+"日23時59分59秒";
var yY = yday.getFullYear();
var yM = parseInt(yday.getMonth()) + 1;
var yD = yday.getDate();
var ystr = yY+"年"+yM+"月"+yD+"日23時59分59秒";


function cdt(){
var tObj = document.getElementById("countdown");
var now = new Date();//今日

var xT = xday.getTime();
var nT = now.getTime();

var dif = xT - nT;//あと何ミリ秒で終了か

if(dif < 0){
var endflg = 1;
}

var Day = Math.floor(dif / (1000*60*60*24));



dif = dif % (1000*60*60*24);
var Hour = Math.floor(dif / (1000*60*60));
dif = dif % (1000*60*60)
var Min = Math.floor(dif / (1000*60));
dif = dif % (1000*60);
var Sec = Math.floor(dif / 1000);
dif = dif % 1000;
var Msec = Math.floor(dif / 10);
if(Sec < 10){
Sec = '0'+ Sec;
}
if(Msec < 10){
Msec = '0'+ Msec;
}
if(endflg != 1){
var timerstr = campstr+Day+"日と"+Hour+"時間"+Min+"分"+Sec+"秒"+Msec;
tObj.txtfld.value = timerstr;
}else tObj.innerHTML = tmpstr;
setTimeout('cdt()',10);
}