////////////////////////////////////////////////////////////////////////////////

function updateFeatures()
{
  if (ajaxFeatures.readyState == 4)
  {
    document.getElementById('features').innerHTML = ajaxFeatures.responseText;
  }
}

function getFeaturesMan(manufacturerId)
{
    var url = "/getFeatureData.php?manufacturer_id=";
    ajaxFeatures.open("GET", url + escape(manufacturerId), true);
    ajaxFeatures.onreadystatechange = updateFeatures;
    ajaxFeatures.send(null);
}

function getFeaturesModel(manufacturerId,modelId)
{
  if (modelId == 0)
  {
    //Revert to manufacturer selection
    getFeaturesMan(manufacturerId);

    //Trigger Minprice Update
    getMinPriceMan(manufacturerId);
    //Trigger Maxprice Update
    getMaxPriceMan(manufacturerId);
    //Trigger Fuel Update
    getFuelMan(manufacturerId);
    //Trigger Transmission Update
    getTransmissionMan(manufacturerId);
    //Trigger Age Update
    getYearMan(manufacturerId);
  }

  else
  {
    var url = "/getFeatureData.php?model_id=";
    ajaxFeatures.open("GET", url + escape(modelId), true);
    ajaxFeatures.onreadystatechange = updateFeatures;
    ajaxFeatures.send(null);

    //Trigger Minprice Update
    getMinPriceModel(manufacturerId,modelId);
    //Trigger Maxprice Update
    getMaxPriceModel(manufacturerId,modelId);
    //Trigger Fuel Update
    getFuelModel(manufacturerId,modelId);
    //Trigger Transmission Update
    getTransmissionModel(manufacturerId,modelId);
    //Trigger Age Update
    getYearModel(manufacturerId,modelId);
  }
}

////////////////////////////////////////////////////////////////////////////////

function updateMinPrice()
{
  if (ajaxMinPrice.readyState == 4)
  {
    document.getElementById('minprice').innerHTML = ajaxMinPrice.responseText;
  }
}

function getMinPriceMan(manufacturerId)
{
    var url = "/getMinPriceData.php?manufacturer_id=";
    ajaxMinPrice.open("GET", url + escape(manufacturerId), true);
    ajaxMinPrice.onreadystatechange = updateMinPrice;
    ajaxMinPrice.send(null);
}

function getMinPriceModel(manufacturerId,modelId)
{
    var url = "/getMinPriceData.php?model_id=";
    ajaxMinPrice.open("GET", url + escape(modelId), true);
    ajaxMinPrice.onreadystatechange = updateMinPrice;
    ajaxMinPrice.send(null);
}

////////////////////////////////////////////////////////////////////////////////

function updateMaxPrice()
{
  if (ajaxMaxPrice.readyState == 4)
  {
    document.getElementById('maxprice').innerHTML = ajaxMaxPrice.responseText;
  }
}

function getMaxPriceMan(manufacturerId)
{
    var url = "/getMaxPriceData.php?manufacturer_id=";
    ajaxMaxPrice.open("GET", url + escape(manufacturerId), true);
    ajaxMaxPrice.onreadystatechange = updateMaxPrice;
    ajaxMaxPrice.send(null);
}

function getMaxPriceModel(manufacturerId,modelId)
{
    var url = "/getMaxPriceData.php?model_id=";
    ajaxMaxPrice.open("GET", url + escape(modelId), true);
    ajaxMaxPrice.onreadystatechange = updateMaxPrice;
    ajaxMaxPrice.send(null);
}

////////////////////////////////////////////////////////////////////////////////

function updateFuel()
{
  if (ajaxFuel.readyState == 4)
  {
    document.getElementById('fueldiv').innerHTML = ajaxFuel.responseText;
  }
}

function getFuelMan(manufacturerId)
{
    var url = "/getFuelData.php?manufacturer_id=";
    ajaxFuel.open("GET", url + escape(manufacturerId), true);
    ajaxFuel.onreadystatechange = updateFuel;
    ajaxFuel.send(null);
}

function getFuelModel(manufacturerId,modelId)
{
    var url = "/getFuelData.php?model_id=";
    ajaxFuel.open("GET", url + escape(modelId), true);
    ajaxFuel.onreadystatechange = updateFuel;
    ajaxFuel.send(null);
}

////////////////////////////////////////////////////////////////////////////////

function updateTransmission()
{
  if (ajaxTransmission.readyState == 4)
  {
    document.getElementById('transmissiondiv').innerHTML = ajaxTransmission.responseText;
  }
}

function getTransmissionMan(manufacturerId)
{
    var url = "/getTransmissionData.php?manufacturer_id=";
    ajaxTransmission.open("GET", url + escape(manufacturerId), true);
    ajaxTransmission.onreadystatechange = updateTransmission;
    ajaxTransmission.send(null);
}

function getTransmissionModel(manufacturerId,modelId)
{
    var url = "/getTransmissionData.php?model_id=";
    ajaxTransmission.open("GET", url + escape(modelId), true);
    ajaxTransmission.onreadystatechange = updateTransmission;
    ajaxTransmission.send(null);
}

////////////////////////////////////////////////////////////////////////////////

function updateYear()
{
  if (ajaxYear.readyState == 4)
  {
    document.getElementById('yeardiv').innerHTML = ajaxYear.responseText;
  }
}

function getYearMan(manufacturerId)
{
    var url = "/getYearData.php?manufacturer_id=";
    ajaxYear.open("GET", url + escape(manufacturerId), true);
    ajaxYear.onreadystatechange = updateYear;
    ajaxYear.send(null);
}

function getYearModel(manufacturerId,modelId)
{
    var url = "/getYearData.php?model_id=";
    ajaxYear.open("GET", url + escape(modelId), true);
    ajaxYear.onreadystatechange = updateYear;
    ajaxYear.send(null);
}

////////////////////////////////////////////////////////////////////////////////

function updateAdvancedModels()
{
  if (ajaxModel.readyState == 4)
  {
    document.getElementById('model_select').innerHTML = ajaxModel.responseText;
  }
}

function getAdvancedModels(manufacturerId)
{
  var url = "/getData.php?advanced=true&manufacturer_id=";
  ajaxModel.open("GET", url + escape(manufacturerId), true);
  ajaxModel.onreadystatechange = updateAdvancedModels;
  ajaxModel.send(null);

  //Trigger feature update
  getFeaturesMan(manufacturerId);
  //Trigger Minprice Update
  getMinPriceMan(manufacturerId);
  //Trigger Maxprice Update
  getMaxPriceMan(manufacturerId);
  //Trigger Fuel Update
  getFuelMan(manufacturerId);
  //Trigger Transmission Update
  getTransmissionMan(manufacturerId);
  //Trigger Age Update
  getYearMan(manufacturerId);
}

////////////////////////////////////////////////////////////////////////////////

var ajaxModel = getHTTPObject();
var ajaxFeatures = getHTTPObject();

var ajaxMinPrice = getHTTPObject();
var ajaxMaxPrice = getHTTPObject();
var ajaxFuel = getHTTPObject();
var ajaxTransmission = getHTTPObject();
var ajaxYear = getHTTPObject();