var chd_arr_years_makes_models = {};
chd_arr_years_makes_models['2024'] = [''];
chd_arr_years_makes_models['2023'] = [''];
chd_arr_years_makes_models['2022'] = [''];
chd_arr_years_makes_models['2021'] = [''];
chd_arr_years_makes_models['2020'] = [''];

function chd_fill_years(objSel, arr, yearoptionsclearstart) {
 if (yearoptionsclearstart == null) yearoptionsclearstart = 0;
 objSel.options.length = yearoptionsclearstart;
 for(var year in arr) {
  objSel.options[objSel.options.length] = new Option(year, year);
 }
}

function chd_fill_makes(objSel, arr, makeoptionsclearstart) {
 if (makeoptionsclearstart == null) makeoptionsclearstart = 0;
 objSel.options.length = makeoptionsclearstart;
 for(var make in arr) {
  if (isNaN(parseInt(make))) {
   objSel.options[objSel.options.length] = new Option(make, make);
  } else {
//   objSel.options[objSel.options.length] = new Option(arr[make], arr[make]);
  }
 }
}

function chd_fill_models(objSel, arr, modeloptionsclearstart) {
 if (modeloptionsclearstart == null) modeloptionsclearstart = 0;
 objSel.options.length = modeloptionsclearstart;
 for(var i in arr) {
  objSel.options[objSel.options.length] = new Option(arr[i], arr[i]);
 }
}