function newUp(y, m, d, x) {
delDay = x; // 何日後に削除するか
oldDay = new Date(y + "/" + m + "/" +d);
newDay = new Date();
d =(newDay - oldDay) / (1000 * 24 * 3600);
if(d <= delDay) {
document.write("
");
// document.write("
");
}else{
document.write("");
// document.write("
");
}
}