function showPic (whichpic) {
 if (document.getElementById) {
  document.getElementById('placeholder').src = whichpic.href;
  if ( document.getElementById('desc') ) {
    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;
 }
}