// set element to year-month-day 24:minute:second
function timestamp(element) {	
	var date = new date();

	var timestamp = date.getutcfullyear() + '-';
	timestamp += (date.getutcmonth() + 1) + '-';
	timestamp += date.getutcdate() + ' ';
	timestamp += date.getutchours() + ':';
	timestamp += date.getutcminutes() + ':';
	timestamp += date.getutcseconds();

        // timestamp looks like "yyyy-mm-dd HH:MM:SS"
	document.getelementbyid(element).value = timestamp;
}