var pictureDesc = '';
var pictureIndex = -1;

function getFlashMovie(movieName) {
  var isIE = navigator.appName.indexOf("Microsoft") != -1;
  return (isIE) ? window[movieName] : document[movieName];
}

function getPictureIndex(index, path, flag, desc) {
  if(pictureIndex != index) {
    pictureIndex = index;
    document.getElementById('descripcion').innerHTML = ' ';
  
    if(flag == false) {
      getFlashMovie('pic_viewer').viewPicture(index, path, '');
      pictureDesc = desc;
    }
    else {
      getFlashMovie('pic_viewer').viewPicture(index, path, desc);
    }
  }
}

function showDescription() {
  document.getElementById('descripcion').innerHTML = pictureDesc;
}