function countdown_clock(todayTime)
{
    var html_code = '<div id="countdown"></div>';
    document.write(html_code);
    showtime(todayTime);
}

function showtime(todayTime)
{
    var today = new Date();
    today.setHours(today.getHours()+1);
	var enday = new Date(todayTime);
	
	if(today > enday)
	{
        document.getElementById('countdown').innerHTML = 'In Progress...';	    
	    return
	}
	
	var Time_Left = Math.round((enday.getTime() - today.getTime()) / 1000);
    days = Math.floor(Time_Left / (60 * 60 * 24));
    Time_Left %= (60 * 60 * 24);
    hours = Math.floor(Time_Left / (60 * 60));
    Time_Left %= (60 * 60);
    minutes = Math.floor(Time_Left / 60);
    Time_Left %= 60;
    seconds = Time_Left;
        
    dps = 's'; hps = 's'; mps = 's'; sps = 's';
    //ps is short for plural suffix.
    if(days == 1) dps ='';
    if(hours == 1) hps ='';
    if(minutes == 1) mps ='';
    if(seconds == 1) sps ='';
        
    document.getElementById('countdown').innerHTML = days + ' day' + dps + ' ';
    document.getElementById('countdown').innerHTML += hours + ' hour' + hps + ' ';
    document.getElementById('countdown').innerHTML += minutes + ' minute' + mps + ' and ';
    document.getElementById('countdown').innerHTML += seconds + ' second' + sps;
    setTimeout("showtime('" + todayTime + "');", 1000);         
}