// passage time
var pass = 7;

// display content
//var content = '<img src="/work/common/img/icon_new.gif" alt="new" />';
var content = 'NEW';

var currentDate = new Date();
var spans = document.getElementsByTagName('span');
for (i = 0; i < spans.length; i++) {
	if(spans[i].getAttribute('class') == 'nfNew' ||
			spans[i].getAttribute('className') == 'nfNew') {
		var strTime = spans[i].innerHTML;
		strTime = strTime.replace(/\//, '');
		strTime = strTime.replace(/\//, '');

		var datetime = new Date();
		datetime.setTime(datetime.getTime()-(pass*(24*60*60*1000)));
		var year = datetime.getFullYear();
		var month = datetime.getMonth() + 1;
		if(month <10) {
			month = '0'+month;
		}
		var day = datetime.getDate();
		if(day <10) {
			day = '0'+day;
		}
		var nexttime = year+''+month+''+day;
		if(parseInt(strTime) >= parseInt(nexttime)){
			spans[i].innerHTML = content;
			spans[i].style.display = 'block';
		}
	}
}