//---------------
// Newマーク表示
//---------------
function new_mark(y, m, d, c) {
  keep_day = 4; // 何日後に削除するか
  old_day = new Date(y + "/" + m + "/" +d);
  new_day = new Date();
  d =(new_day - old_day) / (1000 * 24 * 3600);
  if(d <= keep_day) {
    // Newマーク
    if(c == "new") document.write("<img src='./template_item/image/new_mark.gif' border='0'>");
  }
}