var dyn_carsOptionTree = [['7',[['A3','42'],['A8','47']]],['10',[['316','950'],['318','942'],['325','1109'],['530','940'],['840','1180'],['M3','95']]],['12',[['DeVille','1384'],['STS','2173']]],['14',[['Astro','114']]],['16',[['Berlingo','136'],['C5','140']]],['25',[['Grande Punto','1119'],['Punto','229']]],['26',[['Escort','245'],['Fiesta','252'],['Focus','253'],['Focus Van','1214'],['Mondeo','259'],['Transit','904'],['Transit Connect','1227']]],['32',[['Civic','282'],['Integra','288'],['Odyssey','1101']]],['34',[['Elantra','303']]],['35',[['NPR','1259']]],['36',[['XJ Series','325'],['XK','327']]],['39',[['Rio','339']]],['43',[['Defender','360'],['Freelander','362']]],['198',[['8-163','2153']]],['53',[['220','424'],['C Class','444'],['E 220','975'],['E 270','1024']]],['58',[['FTO','485']]],['61',[['Almera','512']]],['63',[['Astra','868'],['Corsa','871'],['Zafira','541']]],['67',[['206','550']]],['72',[['Clio','612'],['Espace','613'],['Megane','619']]],['75',[['25','643']]],['80',[['Octavia','682']]],['88',[['Avensis','726'],['Celica','729'],['Corolla','730'],['Yaris','758']]],['92',[['Vectra','802']]],['93',[['Golf','812'],['Passat','817'],['Polo','819']]]]
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

}