function widgetsChangeUseService(pObj, pIndex){
  var Service = pObj.options[pIndex].value;
  var no_select = document.getElementById("no_select");
  var cocolog = document.getElementById("cocologField");
  var typepad = document.getElementById("typepadField");

  if (Service == 0){
    no_select.style.display = 'block';
    cocolog.style.display   = 'none';
    typepad.style.display   = 'none';
  }

  if (Service == 1){
    no_select.style.display = 'none';
    cocolog.style.display   = 'block';
    typepad.style.display   = 'none';
  }
  
  if (Service == 2){
    no_select.style.display = 'none';
    cocolog.style.display   = 'none';
    typepad.style.display   = 'block';
  }
}