function submit (id)
{
  return document.getElementById (id).submit ();
}

function addAnswer ()
{
  var elements = document.getElementById ('form').elements;
  var values   = new Array ();
  for (var i   = 1; i < elements.length; i++)
  {
    values [i] = elements [i].value;
  }

  document.getElementById ('antwoorden').innerHTML += '<br /><input type="text" name="antwoord[]" class="input" value="" style="margin: 1px 0px 0px 0px;" />';

  for (var i = 1; i < values.length; i++)
  {
    elements [i].value = values [i];
  }
  
  document.getElementById ('form').elements [i].focus ();
}

function hideUnhide (div, img)
{
  
  if (document.getElementById ('other_' + div).style.display == 'none')
  {
    document.getElementById ('other_' + div).style.display   = 'block';
    var background = 'bottom';
  }
  else
  {
    document.getElementById ('other_' + div).style.display   = 'none';
    var background = 'top';
  }
  
  document.getElementById ('meer-' + img).style.background    = 'url(images/button-' + img + '.gif) no-repeat ' + background;
}