function changeCardField(name, value)
{
  var field = document.getElementById('card_'+name);
  field.innerHTML = value;
}

function changeCardImage(cardnr)
{
  var input = document.getElementById('cardnr');
  input.value = cardnr;
  input.onchange();
}

function changeCardTextColor(color)
{
  var mycss = getCSS(0);
  
  mycss[0].style.color = color;
}