function switchLeft(name)
{
  var path = "/images/thumbs/";
  if (name == 'blank') {
    document['picLeft'].src = path + "blank.gif";
  } else {
    document['picLeft'].src = path + name + ".jpg";
  }
}

function switchRight(name)
{
  var path = "/images/thumbs/";
  if (name == 'blank') {
    document['picRight'].src = path + "blank.gif";
  } else {
    document['picRight'].src = path + name + ".jpg";
  }
}