function newmark(y, m, d) {
	m = m-1;
	salemillisec = Date.UTC(y, m, d);
	todaymillisec = ((new Date()).getTime() - 7 * 24 * 60 * 60 * 1000);

	if(todaymillisec < salemillisec){
		document.write("　<img src='/common/new.gif'>");
	}
}