var ajaxObj   = new XMLHTTP("/js/ajax/ajax.php");
ajaxObj.debug = 0;

function ajaxCallFilterTreatment(nCategory)
{
  if (!isNaN(nCategory)) {
    ajaxObj.call(
      'class=FrontEndAjax' +
      '&method=ShowTreatments' +
      '&category=' + nCategory,
      ajaxResponseDisplayTreatments
    );
  }
  return;
}

function ajaxResponseDisplayTreatments(oResponse) {
  nLength              = oResponse.aTreatments.length;
  oTreatment           = document.getElementById("treatment"); 
  oTreatment.options.length = 0;
  if (nLength > 0) {
    for (i = 0; i < nLength; i++) {
      oTreatment[i] = new Option(oResponse.aTreatments[i].name, oResponse.aTreatments[i].id, false)
    }
  }
}