function newUp(y, m, d, x) {
	
	delDay = x; // 何日後に削除するか
	oldDay = new Date(y + "/" + m + "/" +d);
	newDay = new Date();
	d =(newDay - oldDay) / (1000 * 24 * 3600);
	if(d <= delDay) {
		document.write("<img src='"+dir+"images/common/new.gif' border='0'>");
	}else{
		document.write("<img src='"+dir+"images/common/spacer.gif' border='0'>");
	}
}