function init(){
}

var kikan = 30;
var icon = "<img src='/group/column/images/icon_new.gif' alt='new'>&nbsp;";
var today = new Date();
var upday = new Date();
function koushin(y, m, d) {
	upday.setFullYear(y);
	m = m - 1;
	upday.setMonth(m);
	upday.setDate(d);
	difference = today.getTime() - upday.getTime();
	difference = Math.floor(difference / (1000 * 60 * 60 * 24));
	if (difference < kikan) {
		document.write(icon);
	}
}