[Javascript] Countdown clock with Javascript and PHP

<?php
    $time = date("M d, Y", strtotime('2010-09-28'));
?>
<script type="text/javascript">
//<![CDATA[
function getRTime()
{
    var EndTime = Date.parse('<?php echo $time;?>');
    var NowTime = new Date();
    var nMS =EndTime - NowTime.getTime();
    var nH=Math.floor(nMS/(1000*60*60));
    var nM=Math.floor(nMS/(1000*60)) % 60;
    var nS=Math.floor(nMS/1000) % 60;
    document.getElementById("remainH").html(nH);
    document.getElementById("remainM").html(nM);
    document.getElementById("remainS").html(nS);
    setTimeout("getRTime()",1000);
}
getRTime();
//]]>
</script>

<table width="100%" border="0" cellpadding="0" cellspacing="0">
  <tr class="title">
    <td width="20%" rowspan="2" class="nfont">time left</td>
    <td width="28%">hours</td>
    <td width="26%">mins</td>
    <td width="26%">secs</td>
  </tr>
  <tr class="number">
     <td id="remainH">0</td>
     <td id="remainM">0</td>
     <td id="remainS">0</td>
  </tr>
</table>