var dyn_carsOptionTree = [['7',[['A3','42']]],['26',[['C-Max','1218'],['Focus','253'],['Transit Connect','1227']]],['32',[['Accord','278'],['Civic','282'],['Fit','1448'],['FR-V','1116'],['Freed','2518'],['HR-V','286'],['Insight','287'],['Jazz','289'],['Stepwagon','296'],['Stream','297']]],['34',[['Coupe','302'],['Tucson','983']]],['39',[['Rio','339']]],['51',[['Bongo','1368'],['Demio','407'],['Mazda2','409'],['Mazda3','925'],['Mazda5','926']]],['53',[['C Class','444'],['E Class','448']]],['58',[['Colt','482'],['Delica','484'],['I-MiEV','2237'],['Outlander','892']]],['61',[['Cube','2141'],['Leaf','2167'],['March','1179'],['Micra','521'],['Note','1091'],['Qashqai','1145'],['Qashqai +2','2129'],['Serena','528'],['Tiida','1177']]],['63',[['Astra','868'],['Corsa','871'],['Insignia','1405'],['Zafira','541']]],['72',[['Clio','612'],['Fluence','2169'],['Grand Megane','2189'],['Grand Scenic','1133'],['Megane','619']]],['75',[['75','648']]],['78',[['Alhambra','669'],['Ibiza','672'],['Toledo','676']]],['85',[['Liana','710'],['Swift','713']]],['88',[['Alphard','2339'],['Auris','1154'],['Corolla','730'],['Estima','734'],['Noah','742'],['Prius','747'],['Vitz','1172'],['Yaris','758']]],['93',[['Golf','812'],['Passat','817']]]]
function populateTarget(name,triggerObj,targetObj,emptyText) {

  eval ('tree = ' + name + 'OptionTree')

  triggerValue = getValue(triggerObj)

  for (i=0;i<tree.length;i++) {

    if (tree[i][0]==triggerValue) {
      break
    }

  }

  empty(targetObj)

  newOption = new Option()
  newOption.text = emptyText;

  newOption.value = ""
  targetObj.options[targetObj.options.length] = newOption

  if (i<tree.length) {

    options = tree[i][1]
    selectThisOption = 0

    for (i=0;i<options.length;i++) {

      newOption = new Option()
      newOption.text = options[i][0]
      newOption.value = options[i][1]
      targetObj.options[targetObj.options.length] = newOption

    }

    targetObj.options.length = options.length + 1;
  }

}

function empty(select) {

  select.options.length = 0

}

function getValue(formObj) {

  value = null

  if (formObj.options) { // select

    if (formObj.selectedIndex > -1)
      value = formObj.options[formObj.selectedIndex].value

  } else {

    if (formObj.length) { // radio
      for (var b = 0; b < formObj.length; b++)
        if (formObj[b].checked)
          value = formObj[b].value
    }
    else if (formObj.checked) // checkbox
      value = formObj.value

  }

  return value

}