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

function hidePic() {
  document.getElementById('placeholder').src = 'blank.gif';
  document.getElementById('desc').childNodes[0].nodeValue = '                                     ';  
  return true;
}

function hidePicSuper() {
  document.getElementById('placeholder').src = '../blank.gif';
  document.getElementById('desc').childNodes[0].nodeValue = '                                     ';  
  return true;
}


function showPic2 (whichpic, ciclo) {
  document.getElementById('placeholder'+ciclo).src = whichpic.href;
  document.getElementById('desc'+ciclo).childNodes[0].nodeValue = whichpic.title;
  return false;
}


function hidePic2(ciclo) {
  document.getElementById('placeholder'+ciclo).src = 'blank.gif';
  document.getElementById('desc'+ciclo).childNodes[0].nodeValue = '                                     ';  
  return true;
}


function hidePicSuper2(ciclo) {
  document.getElementById('placeholder'+ciclo).src = '../blank.gif';
  document.getElementById('desc'+ciclo).childNodes[0].nodeValue = '                                     ';  
  return true;
}