// new mark

function newMark(release_date)
{
	oldDay = new Date(release_date);
	newDay = new Date();
	n = (newDay - oldDay)/(1000*60*60*24);
	if (n <= 365) document.write('<span class="new">New</span>');
	if (release_date == "2000/01/01") document.write('<span class="new">開発中</span>');
}