// information
function NewMark(y,m,d) {
  oldDay = new Date(y+"/"+m+"/"+d);
  newDay = new Date();
  n = (newDay - oldDay)/(1000*60*60*24);
  if (n <= 5) document.write('&nbsp;<img src="./img/icon_new.png" width="23" height="11">');
}