function nw(y,m,d){
	var expire_day = 7;
	var oldDay = new Date(y+"/"+m+"/"+d);
	var newDay = new Date();
	var n = (newDay - oldDay)/(1000*60*60*24);
	if (n <= expire_day){
		document.write('<img src="/resources/global/widgets/misc/new.gif" alt="new"/>');
	}
}