/*#############################################################################
# Max length of textarea's
#############################################################################*/
WHITE_AddLoadEvent(setMaxLength);

function setMaxLength() {
  var x = document.getElementsByTagName('textarea');
  var counter = document.createElement('div');
  counter.className = 'counter';
  for (var i=0;i<x.length;i++) {
    if (x[i].getAttribute('maxlength')) {
      var counterClone = counter.cloneNode(true);
      counterClone.relatedElement = x[i];
      counterClone.innerHTML = '<span>0</span> karakters gebruikt van de toegestane '+x[i].getAttribute('maxlength');
      x[i].parentNode.insertBefore(counterClone,x[i].nextSibling);
      x[i].relatedElement = counterClone.getElementsByTagName('span')[0];

      x[i].onkeyup = x[i].onchange = checkMaxLength;
      x[i].onkeyup();
    }
  }
}

function checkMaxLength() {
  var maxLength = this.getAttribute('maxlength');
  var currentLength = this.value.length;
  if (currentLength > maxLength)
    this.relatedElement.className = 'toomuch';
  else
    this.relatedElement.className = '';
  this.relatedElement.firstChild.nodeValue = currentLength;
  // not innerHTML
}

/*#############################################################################
# Add errormessages to form
#############################################################################*/
function WhiteForm_GetTextFieldRequired(sField) {
  return 'Dit veld is verplicht.';
}

function WhiteForm_GetTextInvalidEmail(sField) {
  return 'Dit is geen geldig e-mail adres.';
}