function showPic (whichpic) {
  if (document.getElementById) {
    document.getElementById('placeholder').src = whichpic.href;
    if (whichpic.title) {
      document.getElementById('desc').childNodes[0].nodeValue = whichpic.title;
    } else {
      document.getElementById('desc').childNodes[0].nodeValue = whichpic.childNodes[0].nodeValue;
    }
    return false;
  } else {
    return true;
  }
}