function limitedimage(isrc, ialt, idate){
  var limit = new Date(idate);
  var now = new Date();
  if(now.getTime() < limit.getTime()){
    var img = new Image();
    img.src = isrc;
    document.write("<img src=\"" + img.src + "\" width=\"" + img.width + "\" height=\"" + img.height + "\" alt=\"" + ialt + "\" />");
  }
}

function append_image(id, src, start, end){
  var start_date = new Date(start);
  var end_date = new Date(end);
  var now = new Date();
  if((now.getTime() >= start_date.getTime() || isNaN(start_date))
  && (now.getTime() <= end_date.getTime() + 86400000 || isNaN(end_date))){
    var obj = document.getElementById(id);
    var img = new Image();
    img.src = src;
    obj.appendChild(img);
  }
}