function countdown(){
    //Getting dates in Unix Time, and finding the difference between the current time, and expiration date.  Dividing the UTC time by 1000 to get the Unix Time
    expire = parseInt(Date.parse("Mar 20, 2011")/1000); //End Date
    var now = new Date();
    var current = parseInt(now.getTime()/1000);
    var diff_seconds = expire - current;

    //Number of days left
    var diff_days = parseInt(diff_seconds/(60*60*24));
    diff_seconds -= diff_days * 60 * 60 * 24;
    document.getElementById("days").innerHTML=diff_days;    
    
    //Number of hours left
    var diff_hours = parseInt(diff_seconds/(60*60));
    diff_seconds -= diff_hours * 60 * 60;
    document.getElementById("hours").innerHTML=diff_hours;   

    //Number of minutes left
    var diff_minutes = parseInt(diff_seconds/(60));
    diff_seconds -= diff_minutes * 60;
    document.getElementById("minutes").innerHTML=diff_minutes; 

    document.getElementById("seconds").innerHTML=diff_seconds; 
    setTimeout("countdown();", 1000);
}