function getAantalBongosCallback(data)
{
    if (data != null && typeof data == 'object') alert(DWRUtil.toDescriptiveString(data, 2));
    else  {
        var resultaat = DWRUtil.toDescriptiveString(data, 1);
        DWRUtil.setValue('aantal_div_tag', resultaat);
    }
}

function updateAantalBongos(form)
{
    var budget = form.budget;
    var soortId = form.soortId;
    WeekendeskAJAXAdapter.getAantalBongos(
            soortId.options[soortId.selectedIndex].value,
            budget.options[budget.selectedIndex].value,
            getAantalBongosCallback);
}

var kalenderCallback = function(data)
{
  if (data != null && typeof data == 'object') alert(DWRUtil.toDescriptiveString(data, 2));
  else  {
      DWRUtil.setValue('kalender_div_tag', DWRUtil.toDescriptiveString(data, 1));
  }
}

var usebongoActivitySearchCallback = function(data)
{
  if (data != null && typeof data == 'object') alert(DWRUtil.toDescriptiveString(data, 2));
  else  {
      DWRUtil.setValue('search_result_div_tag', DWRUtil.toDescriptiveString(data, 1));
  }
}