function showHidePlayDetails(id)
{
  idStr = id.toString()
  details = "details" + idStr;
  link = "detailsLink" + idStr

  row = document.getElementById(details);
  label = document.getElementById(link);

  if ( row.style.display == 'block') 
  {
    row.style.display = 'none'
    label.innerHTML = "Pokaż sczegóły"
  }
  else
  {
    row.style.display = 'block'
    label.innerHTML = "Ukryj sczegóły"
  }

}