var dyn_carsOptionTree = [['7',[['A1','2163'],['A3','42'],['A4','43'],['A5','1244'],['A6','45'],['A8','47'],['S8','62']]],['10',[['1 Series','882'],['3 Series','86'],['4 Series','2375'],['5 Series','87'],['6 Series','88'],['i3','2374'],['X3','1015'],['X5','98']]],['16',[['Berlingo','136'],['C4 Picasso','1375'],['C5','140'],['DS5','2222'],['Grand C4 Picasso','2204']]],['25',[['Ducato','903']]],['26',[['C-Max','1218'],['Focus','253'],['Kuga','1391'],['Mondeo','259'],['Transit','904']]],['32',[['Accord','278'],['Civic','282'],['Jazz','289']]],['34',[['i40','2191'],['Tucson','983']]],['36',[['XF','1390']]],['39',[['Rio','339'],['Sportage','343']]],['43',[['Defender','360'],['Discovery','361'],['Range Rover','364'],['Range Rover Sport','1290']]],['44',[['CT','2627']]],['49',[['Ghibli','398']]],['51',[['Mazda6','410']]],['53',[['B Class','1168'],['C Class','444'],['Citan','2587'],['CL Class','446'],['E Class','448'],['M Class','450'],['Vito','885']]],['61',[['Pixo','2143'],['Qashqai','1145']]],['63',[['Corsa','871'],['Insignia','1405']]],['67',[['208','2230'],['3008','1457'],['508','2182']]],['72',[['Espace','613'],['Megane','619']]],['78',[['Exeo','2134']]],['80',[['Octavia','682'],['Superb','683']]],['81',[['Pure','690']]],['82',[['Kyron','1131']]],['88',[['Auris','1154'],['Avensis','726'],['Landcruiser','738'],['Prius','747']]],['93',[['Amarok','2208'],['Caddy','964'],['Caravelle','808'],['CC','2241'],['Eos','1019'],['Golf','812'],['Passat','817'],['Touareg','823'],['Transporter','987']]],['94',[['S40','846'],['S60','847'],['S80','849'],['V40','852'],['V60','2184'],['V70','853'],['XC60','1456'],['XC70','855']]]]
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

}