function difference(oldtime) {

    var nowtime = new Date();
    var milliseconds1 = oldtime;
    var milliseconds2 = nowtime.getTime();
    var difference = milliseconds2 - milliseconds1;
    var daysDifference = Math.floor(difference/1000/60/60/24);
    difference = difference - daysDifference*1000*60*60*24
	var hoursDifference = Math.floor(difference/1000/60/60);
    difference = difference - hoursDifference*1000*60*60
	var minutesDifference = Math.floor(difference/1000/60);
    difference = difference - minutesDifference*1000*60
	var secondsDifference = Math.floor(difference/1000);
    // This next line below looks for entries over a day old
    if (daysDifference > 1){
	document.write(daysDifference);
	if(daysDifference==1){
	    document.write(' dag siden');
	}else{
	    document.write(' dager siden');
	}
    }else if (hoursDifference < 1){
	document.write(minutesDifference);
	if(minutesDifference==1){
	    document.write(' minutt siden');
	}else{
	    document.write(' minutter siden');
	}
    }else if (hoursDifference < 4){
	document.write(hoursDifference + ' timer og ' + minutesDifference); 
	if(minutesDifference==1){
	    document.write(' minutt siden');
	}else{
	    document.write(' minutter siden');
	}
    }else if (hoursDifference < 24) document.write(hoursDifference + ' timer siden');
    else document.write(' '); 
}