// JavaScript Document
birthday	= new Date(1969,0,28);
now_day		= new Date();
birth_year	= birthday.getFullYear();
now_year	= now_day.getFullYear();
now_y_birthday	= new Date(now_year,0,28);
if(now_day.getTime() < now_y_birthday.getTime()){
	var age = now_year - birth_year - 1;
}
else{
	var age = now_year - birth_year;
}
document.write(age+"歳、");