function getDatetime ( format ) {
	var datetime = new Date();
	var day 	= datetime.getDate();
	var month 	= datetime.getMonth();
	var year 	= datetime.getFullYear();
	var hours 	= datetime.getHours();
	var minutes	= datetime.getMinutes();
	var seconds	= datetime.getSeconds();
	month 		= month + 1;
	day 		= (day 		< 10) ? "0"+day 	: day;
	month 		= (month 	< 10) ? "0"+month 	: month;
	year 		= (year 	< 10) ? "0"+year 	: year;
	hours 		= (hours 	< 10) ? "0"+hours 	: hours;
	minutes 	= (minutes 	< 10) ? "0"+minutes	: minutes;
	seconds 	= (seconds 	< 10) ? "0"+seconds	: seconds;

	var datetime = format;
 	datetime = str_replace('d', day, datetime);
 	datetime = str_replace('m', month, datetime);
 	datetime = str_replace('Y', year, datetime);
 	datetime = str_replace('H', hours, datetime);
 	datetime = str_replace('i', minutes, datetime);
 	datetime = str_replace('s', seconds, datetime);

	return datetime;
}
function str_replace(search, replace, subject) {
	return subject.split(search).join(replace);
}