dateFuture = new Date(2012,0,11,18,59,47);

function GetCount(){

        dateNow = new Date();                                                                        //grab current date
        amount = dateFuture.getTime() - dateNow.getTime();                //calc milliseconds between dates
        delete dateNow;

        // time is already past
        if(amount < 0){
                document.getElementById('countbox').innerHTML="Now!";
        }
        // date is still good
        else{
                days=0;hours=0;mins=0;secs=0;out="";

                amount = Math.floor(amount/1000);//kill the "milliseconds" so just secs

                days=Math.floor(amount/86400);//days
                amount=amount%86400;

                hours=Math.floor(amount/3600);//hours
                amount=amount%3600;

                mins=Math.floor(amount/60);//minutes
                amount=amount%60;

                secs=Math.floor(amount);//seconds

				document.getElementById('d').innerHTML=days;
				document.getElementById('h').innerHTML=hours;
				document.getElementById('m').innerHTML=mins;
				document.getElementById('s').innerHTML=secs;

                setTimeout("GetCount()", 1000);
        }
}

window.onload=function(){GetCount();}//call when everything has loaded