/* new mark */
function NewMark(y, m, d) {
    oldDay = new Date(y + "/" + m + "/" + d);
    newDay = new Date();
    n = (newDay - oldDay) / (1000 * 60 * 60 * 24);
    if (n <= 15)
        document.write('<img src="http://www.iseikaihp.or.jp/img/new.gif" alt="New!" class="new">');
}