var districts = new Array();
districts['Hong Kong']=new Array();districts['Hong Kong']['Aberdeen']= 'Aberdeen';districts['Hong Kong']['Admiralty']= 'Admiralty';districts['Hong Kong']['Ap Lei Chau']= 'Ap Lei Chau';districts['Hong Kong']['Causeway Bay']= 'Causeway Bay';districts['Hong Kong']['Central']= 'Central';districts['Hong Kong']['Chaiwan']= 'Chaiwan';districts['Hong Kong']['Cheung Chau']= 'Cheung Chau';districts['Hong Kong']['Cheung Sha Wan']= 'Cheung Sha Wan';districts['Hong Kong']['Clear Water Bay']= 'Clear Water Bay';districts['Hong Kong']['Fanling']= 'Fanling';districts['Hong Kong']['Fo Tan']= 'Fo Tan';districts['Hong Kong']['Happy Valley']= 'Happy Valley';districts['Hong Kong']['Homantin']= 'Homantin';districts['Hong Kong']['Hung Hom']= 'Hung Hom';districts['Hong Kong']['Jordan']= 'Jordan';districts['Hong Kong']['Kowloon Bay']= 'Kowloon Bay';districts['Hong Kong']['Kowloon City']= 'Kowloon City';districts['Hong Kong']['Kwai Chung']= 'Kwai Chung';districts['Hong Kong']['Kwun Tong']= 'Kwun Tong';districts['Hong Kong']['Lai Chi Kok']= 'Lai Chi Kok';districts['Hong Kong']['Lam Tin']= 'Lam Tin';districts['Hong Kong']['Lamma Island']= 'Lamma Island';districts['Hong Kong']['Lantau Island']= 'Lantau Island';districts['Hong Kong']['Lei Yue Mun']= 'Lei Yue Mun';districts['Hong Kong']['Lok Fu']= 'Lok Fu';districts['Hong Kong']['Ma On Shan']= 'Ma On Shan';districts['Hong Kong']['Mid Level']= 'Mid Level';districts['Hong Kong']['Mongkok']= 'Mongkok';districts['Hong Kong']['North Point']= 'North Point';districts['Hong Kong']['Peng Chau']= 'Peng Chau';districts['Hong Kong']['Pok Fu Lam']= 'Pok Fu Lam';districts['Hong Kong']['Quarry Bay']= 'Quarry Bay';districts['Hong Kong']['Repulse Bay']= 'Repulse Bay';districts['Hong Kong']['Sai Kung']= 'Sai Kung';districts['Hong Kong']['Sai Wan Ho']= 'Sai Wan Ho';districts['Hong Kong']['San Po Kong']= 'San Po Kong';districts['Hong Kong']['Sham Shui Po']= 'Sham Shui Po';districts['Hong Kong']['Sham Tseng']= 'Sham Tseng';districts['Hong Kong']['Shatin']= 'Shatin';districts['Hong Kong']['Shaukeiwan']= 'Shaukeiwan';districts['Hong Kong']['Sheung Shui']= 'Sheung Shui';districts['Hong Kong']['Sheung Wan']= 'Sheung Wan';districts['Hong Kong']['Stanley']= 'Stanley';districts['Hong Kong']['Tai Kok Tsui']= 'Tai Kok Tsui';districts['Hong Kong']['Tai Po']= 'Tai Po';districts['Hong Kong']['Tai Wai']= 'Tai Wai';districts['Hong Kong']['The Peak']= 'The Peak';districts['Hong Kong']['Tin Shui Wai']= 'Tin Shui Wai';districts['Hong Kong']['Tokwawan']= 'Tokwawan';districts['Hong Kong']['Tseung Kwan O']= 'Tseung Kwan O';districts['Hong Kong']['Tsimshatsui']= 'Tsimshatsui';districts['Hong Kong']['Tsimshatsui East']= 'Tsimshatsui East';districts['Hong Kong']['Tsing Yi']= 'Tsing Yi';districts['Hong Kong']['Tsuen Wan']= 'Tsuen Wan';districts['Hong Kong']['Tsz Wan Shan']= 'Tsz Wan Shan';districts['Hong Kong']['Tuen Mun']= 'Tuen Mun';districts['Hong Kong']['Tung Chung']= 'Tung Chung';districts['Hong Kong']['Wanchai']= 'Wanchai';districts['Hong Kong']['Western District']= 'Western District';districts['Hong Kong']['Wong Chuk Hang']= 'Wong Chuk Hang';districts['Hong Kong']['Wong Tai Sin']= 'Wong Tai Sin';districts['Hong Kong']['Yau Tong']= 'Yau Tong';districts['Hong Kong']['Yaumatei']= 'Yaumatei';districts['Hong Kong']['Yuen Long']= 'Yuen Long';districts['Macau']=new Array();districts['Macau']['Coloane']= 'Coloane';districts['Macau']['Macau Island']= 'Macau Island';districts['Macau']['Taipa']= 'Taipa';
function createHTMLOptionElement(text, value) {
        var option = document.createElement("option");
        option.value = value;
        option.appendChild(document.createTextNode(text))
        return option;
}

function updateDistrictDropDown(countryCode, DistrictDDName) {
        DistrictDD = document.getElementsByName(DistrictDDName)[0];
        populateDistrictOptions(countryCode, DistrictDD);
}

function populateDistrictOptions(countryCode, DistrictDD) {
        var optionLength = DistrictDD.length;
        for (i = 0; i < optionLength; i++)
                DistrictDD.remove(0);
        var option = createHTMLOptionElement("Select", "");
        DistrictDD.appendChild(option);

        for (var code in districts[countryCode]) {
                option = createHTMLOptionElement(districts[countryCode][code], code);
                DistrictDD.appendChild(option);
        }
}

function saveDistrictSelection(districtDDName) {
        district = document.getElementsByName(districtDDName)[0].value;
        if (district != null)
                createCookie(districtDDName, district);
}

function restoreDistrictSelection(countryDDName, DistrictDDName) {
        country = document.getElementsByName(countryDDName)[0].value;
        if (country != null && country != '') {
                updateDistrictDropDown(country, DistrictDDName);
                District = readCookie(DistrictDDName);
                if (District != null && District != '')
                        selectDistrictOption(District, DistrictDDName)
        }
}

function selectDistrictOption(districtCode, DistrictDDName) {
        DistrictDD = document.getElementsByName(DistrictDDName)[0];
        var optionLength = DistrictDD.length;
        for (i = 0; i < optionLength; i++)
                if (DistrictDD.options[i].value == districtCode)
                        DistrictDD.selectedIndex = i;
}