شمارنده معکوس

<script language="JavaScript" type="text/javascript">
<!--
var hoursleft = 0;
var minutesleft = 10; // you can change these values to any value greater than 0
var secondsleft = 0;
var millisecondsleft = 0;
var finishedtext = "Countdown finished!" // text that appears when the countdown reaches 0
end = new Date();
end.setHours(end.getHours()+hoursleft);
end.setMinutes(end.getMinutes()+minutesleft);
end.setSeconds(end.getSeconds()+secondsleft);
end.setMilliseconds(end.getMilliseconds()+millisecondsleft);
function cd(){
now = new Date();
diff = end - now;
diff = new Date(diff);
var msec = diff.getMilliseconds();
var sec = diff.getSeconds()-49;
var min = diff.getMinutes();
var hr = diff.getHours();
if (min < 10){
min = "0" + min;
}
if (sec < 0){
sec = "0" ;
}
if(msec < 0){
msec = "00";
}

if(now >= end){
clearTimeout(timerID);
document.getElementById("cdtime").innerHTML = finishedtext;
}
else{
document.getElementById("cdtime").innerHTML = sec + "s" ;
} // you can leave out the + ":" + msec if you want...
// If you do so, you should also change setTimeout to setTimeout("cd()",1000)
timerID = setTimeout("cd()", 10);
}
window.onload = cd;
//-->
</script>


php مرکز کد های سایت...