function printTimeStamp(timestamp) {

	var date = new Date();
	date.setTime(timestamp);
	
	var year = date.getFullYear();
	var month = date.getMonth() + 1;
	month = formatTwoDigits(month);
	var day = date.getDate();
	day = formatTwoDigits(day);
	var hour = date.getHours();
	hour = formatTwoDigits(hour);
	var min = date.getMinutes();
	min = formatTwoDigits(min);
	
	document.write(year + '-' + month + '-' + day + ' ' + hour + ':' + min);
}

function formatTwoDigits(number) {
	
	if (number < 10) return '0' + number.toString();
	else return number.toString();	
}