addListGroup("vehicles", "car-models");

addOption("car-models", "Select a continent", "");
addOptGroup("car-models", "");
  addList("car-models", "Africa", "Africa", "Africa");
  addList("car-models", "Asia/Oceania", "Asia/Oceania", "Asia/Oceania");
  addList("car-models", "Europe & Russia", "Europe & Russia", "Europe & Russia");
  addList("car-models", "Latin America & the Caribbean", "Latin America & the Caribbean", "Latin America & the Caribbean");
  addList("car-models", "Middle East", "Middle East", "Middle East");
  addList("car-models", "North America", "North America", "North America");

endOptGroup("car-models");

addOption("Africa", "Select a country", "");
addOptGroup("Africa", "");
  addOption("Africa", "Algeria", "Algeria");
  addOption("Africa", "Angola", "Angola");
  addOption("Africa", "Benin", "Benin");
  addOption("Africa", "Botswana", "Botswana");
  addOption("Africa", "Burkina Faso", "Burkina Faso");
  addOption("Africa", "Burundi", "Burundi");
  addOption("Africa", "Cameroon", "Cameroon");
  addOption("Africa", "Cape Verde", "Cape Verde");
  addOption("Africa", "Central African Republic", "Central African Republic");
  addOption("Africa", "Chad", "Chad");
  addOption("Africa", "Comoros", "Comoros");
  addOption("Africa", "Cote d'Ivoire", "Cote d'Ivoire");
  addOption("Africa", "Democratic Republic of the Congo", "Democratic Republic of the Congo");
  addOption("Africa", "Djibouti", "Djibouti");
  addOption("Africa", "Egypt", "Egypt");
  addOption("Africa", "Equatorial Guinea", "Equatorial Guinea");
  addOption("Africa", "Eritrea", "Eritrea");
  addOption("Africa", "Ethiopia", "Ethiopia");
  addOption("Africa", "Gabon", "Gabon");
  addOption("Africa", "Gambia", "Gambia");
  addOption("Africa", "Ghana", "Ghana");
  addOption("Africa", "Guinea", "Guinea");
  addOption("Africa", "Guinea-Bissau", "Guinea-Bissau");
  addOption("Africa", "Kenya", "Kenya");
  addOption("Africa", "Lesotho", "Lesotho");
  addOption("Africa", "Liberia", "Liberia");
  addOption("Africa", "Libya", "Libya");
  addOption("Africa", "Madagascar", "Madagascar");
  addOption("Africa", "Malawi", "Malawi");
  addOption("Africa", "Mali", "Mali");
  addOption("Africa", "Mauritania", "Mauritania");
  addOption("Africa", "Mauritius", "Mauritius");
  addOption("Africa", "Morocco", "Morocco");
  addOption("Africa", "Mozambique", "Mozambique");
  addOption("Africa", "Namibia", "Namibia");
  addOption("Africa", "Niger", "Niger");
  addOption("Africa", "Nigeria", "Nigeria");
  addOption("Africa", "Republic of the Congo", "Republic of the Congo");
  addOption("Africa", "Rwanda", "Rwanda");
  addOption("Africa", "Sao Tome and Principe", "Sao Tome and Principe");
  addOption("Africa", "Senegal", "Senegal");
  addOption("Africa", "Seychelles", "Seychelles");
  addOption("Africa", "Sierra Leone", "Sierra Leone");
  addOption("Africa", "Somalia", "Somalia");
  addOption("Africa", "South Africa", "South Africa");
  addOption("Africa", "Sudan", "Sudan");
  addOption("Africa", "Swaziland", "Swaziland");
  addOption("Africa", "Tanzania", "Tanzania");
  addOption("Africa", "Togo", "Togo");
  addOption("Africa", "Tunisia", "Tunisia");
  addOption("Africa", "Uganda", "Uganda");
  addOption("Africa", "Western Sahara", "Western Sahara");
  addOption("Africa", "Zambia", "Zambia");
  addOption("Africa", "Zimbabwe", "Zimbabwe");
endOptGroup("Africa");   

addOption("Asia/Oceania", "Select a country", "", "");
addOptGroup("Asia/Oceania", "", ""); 
  addOption("Asia/Oceania", "Afghanistan", "Afghanistan");
  addOption("Asia/Oceania", "American Samoa", "American Samoa");
  addOption("Asia/Oceania", "Australia", "Australia");
  addOption("Asia/Oceania", "Bangladesh", "Bangladesh");
  addOption("Asia/Oceania", "Bhutan", "Bhutan");
  addOption("Asia/Oceania", "Brunei", "Brunei");
  addOption("Asia/Oceania", "Cambodia", "Cambodia");
  addOption("Asia/Oceania", "China", "China");
  addOption("Asia/Oceania", "East Timor", "East Timor");
  addOption("Asia/Oceania", "Fiji", "Fiji");
  addOption("Asia/Oceania", "French Polynesia", "French Polynesia");
  addOption("Asia/Oceania", "Guam", "Guam");
  addOption("Asia/Oceania", "India", "India");
  addOption("Asia/Oceania", "Indonesia", "Indonesia");
  addOption("Asia/Oceania", "Japan", "Japan");
  addOption("Asia/Oceania", "Kazakhstan", "Kazakhstan");
  addOption("Asia/Oceania", "Kiribati", "Kiribati");
  addOption("Asia/Oceania", "Kyrgyzstan", "Kyrgyzstan");
  addOption("Asia/Oceania", "Laos", "Laos");
  addOption("Asia/Oceania", "Macau", "Macau");
  addOption("Asia/Oceania", "Malaysia", "Malaysia");
  addOption("Asia/Oceania", "Maldives", "Maldives");
  addOption("Asia/Oceania", "Marshall Islands", "Marshall Islands");
  addOption("Asia/Oceania", "Micronesia", "Micronesia");
  addOption("Asia/Oceania", "Mongolia", "Mongolia");
  addOption("Asia/Oceania", "Myanmar", "Myanmar");
  addOption("Asia/Oceania", "Nauru", "Nauru");
  addOption("Asia/Oceania", "Nepal", "Nepal");
  addOption("Asia/Oceania", "New Caledonia", "New Caledonia");
  addOption("Asia/Oceania", "New Zealand", "New Zealand");
  addOption("Asia/Oceania", "Northern Mariana Islands", "Northern Mariana Islands");
  addOption("Asia/Oceania", "North Korea", "North Korea");
  addOption("Asia/Oceania", "Pakistan", "Pakistan");
  addOption("Asia/Oceania", "Palau", "Palau");
  addOption("Asia/Oceania", "Papua New Guinea", "Papua New Guinea");
  addOption("Asia/Oceania", "Philippines", "Philippines");
  addOption("Asia/Oceania", "Pitcairn Islands", "Pitcairn Islands");
  addOption("Asia/Oceania", "Singapore", "Singapore");
  addOption("Asia/Oceania", "Solomon Islands", "Solomon Islands");
  addOption("Asia/Oceania", "South Korea", "South Korea");
  addOption("Asia/Oceania", "Sri Lanka", "Sri Lanka");
  addOption("Asia/Oceania", "Taiwan", "Taiwan");
  addOption("Asia/Oceania", "Tajikistan", "Tajikistan");
  addOption("Asia/Oceania", "Thailand", "Thailand");
  addOption("Asia/Oceania", "Tibet", "Tibet");
  addOption("Asia/Oceania", "Tonga", "Tonga");
  addOption("Asia/Oceania", "Turkey", "Turkey");
  addOption("Asia/Oceania", "Turkmenistan", "Turkmenistan");
  addOption("Asia/Oceania", "Tuvalu", "Tuvalu");
  addOption("Asia/Oceania", "Uzbekistan", "Uzbekistan");
  addOption("Asia/Oceania", "Vanuatu", "Vanuatu");
  addOption("Asia/Oceania", "Vietnam", "Vietnam");
  addOption("Asia/Oceania", "Western Samoa", "Western Samoa");
 endOptGroup("Asia/Oceania", "");

addOption("Europe & Russia", "Select a country", "");
addOptGroup("Europe & Russia", "");
  addOption("Europe & Russia", "Albania", "Albania");
  addOption("Europe & Russia", "Andorra", "Andorra");
  addOption("Europe & Russia", "Armenia", "Armenia");
  addOption("Europe & Russia", "Austria", "Austria");
  addOption("Europe & Russia", "Azerbaijan", "Azerbaijan");
  addOption("Europe & Russia", "Belarus", "Belarus");
  addOption("Europe & Russia", "Belgium", "Belgium");
  addOption("Europe & Russia", "Bosnia", "Bosnia");
  addOption("Europe & Russia", "Bulgaria", "Bulgaria");
  addOption("Europe & Russia", "Croatia", "Croatia");
  addOption("Europe & Russia", "Cyprus", "Cyprus");
  addOption("Europe & Russia", "Czech Republic", "Czech Republic");
  addOption("Europe & Russia", "Denmark", "Denmark");
  addOption("Europe & Russia", "Estonia", "Estonia");
  addOption("Europe & Russia", "Finland", "Finland");
  addOption("Europe & Russia", "France", "France");
  addOption("Europe & Russia", "Georgia", "Georgia");
  addOption("Europe & Russia", "Germany", "Germany");
  addOption("Europe & Russia", "Gibraltar", "Gibraltar");
  addOption("Europe & Russia", "Greece", "Greece");
  addOption("Europe & Russia", "Greenland", "Greenland");
  addOption("Europe & Russia", "Hungary", "Hungary");
  addOption("Europe & Russia", "Iceland", "Iceland");
  addOption("Europe & Russia", "Ireland", "Ireland");
  addOption("Europe & Russia", "Italy", "Italy");
  addOption("Europe & Russia", "Latvia", "Latvia");
  addOption("Europe & Russia", "Liechtenstein", "Liechtenstein");
  addOption("Europe & Russia", "Lithuania", "Lithuania");
  addOption("Europe & Russia", "Luxembourg", "Luxembourg");
  addOption("Europe & Russia", "Macedonia", "Macedonia");
  addOption("Europe & Russia", "Malta", "Malta");
  addOption("Europe & Russia", "Moldova", "Moldova");
  addOption("Europe & Russia", "Monaco", "Monaco");
  addOption("Europe & Russia", "Montenegro", "Montenegro");
  addOption("Europe & Russia", "Netherlands", "Netherlands");
  addOption("Europe & Russia", "Norway", "Norway");
  addOption("Europe & Russia", "Poland", "Poland");
  addOption("Europe & Russia", "Portugal", "Portugal");
  addOption("Europe & Russia", "Romania", "Romania");
  addOption("Europe & Russia", "Russia", "Russia");
  addOption("Europe & Russia", "San Marino", "San Marino");
  addOption("Europe & Russia", "Serbia", "Serbia");
  addOption("Europe & Russia", "Slovakia", "Slovakia");
  addOption("Europe & Russia", "Slovenia", "Slovenia");
  addOption("Europe & Russia", "Spain", "Spain");
  addOption("Europe & Russia", "Sweden", "Sweden");
  addOption("Europe & Russia", "Switzerland", "Switzerland");
  addOption("Europe & Russia", "Turkey", "Turkey");
  addOption("Europe & Russia", "Ukraine", "Ukraine");
  addOption("Europe & Russia", "United Kingdom", "United Kingdom");
 endOptGroup("Europe & Russia", "");

addOption("Latin America & the Caribbean", "Select a country", "");
addOptGroup("Latin America & the Caribbean", "");
  addOption("Latin America & the Caribbean", "Anguilla", "Anguilla");
  addOption("Latin America & the Caribbean", "Antigua and Barbuda", "Antigua and Barbuda");
  addOption("Latin America & the Caribbean", "Argentina", "Argentina");
  addOption("Latin America & the Caribbean", "Aruba", "Aruba");
  addOption("Latin America & the Caribbean", "Bahamas", "Bahamas");
  addOption("Latin America & the Caribbean", "Barbados", "Barbados");
  addOption("Latin America & the Caribbean", "Belize", "Belize");
  addOption("Latin America & the Caribbean", "Bermuda", "Bermuda");
  addOption("Latin America & the Caribbean", "Bolivia", "Bolivia");
  addOption("Latin America & the Caribbean", "Brazil", "Brazil");
  addOption("Latin America & the Caribbean", "British Virgin Islands", "British Virgin Islands");
  addOption("Latin America & the Caribbean", "Cayman Islands", "Cayman Islands");
  addOption("Latin America & the Caribbean", "Chile", "Chile");
  addOption("Latin America & the Caribbean", "Colombia", "Colombia");
  addOption("Latin America & the Caribbean", "Costa Rica", "Costa Rica");
  addOption("Latin America & the Caribbean", "Cuba", "Cuba");
  addOption("Latin America & the Caribbean", "Dominica", "Dominica");
  addOption("Latin America & the Caribbean", "Dominican Republic", "Dominican Republic");
  addOption("Latin America & the Caribbean", "Ecuador", "Ecuador");
  addOption("Latin America & the Caribbean", "El Salvador", "El Salvador");
  addOption("Latin America & the Caribbean", "Falkland Islands", "Falkland Islands");
  addOption("Latin America & the Caribbean", "French Guiana", "French Guiana");
  addOption("Latin America & the Caribbean", "Grenada", "Grenada");
  addOption("Latin America & the Caribbean", "Guadeloupe", "Guadeloupe");
  addOption("Latin America & the Caribbean", "Guatemala", "Guatemala");
  addOption("Latin America & the Caribbean", "Guyana", "Guyana");
  addOption("Latin America & the Caribbean", "Haiti", "Haiti");
  addOption("Latin America & the Caribbean", "Honduras", "Honduras");
  addOption("Latin America & the Caribbean", "Jamaica", "Jamaica");
  addOption("Latin America & the Caribbean", "Martinique", "Martinique");
  addOption("Latin America & the Caribbean", "Mexico", "Mexico");
  addOption("Latin America & the Caribbean", "Montserrat", "Montserrat");
  addOption("Latin America & the Caribbean", "Netherlands Antilles", "Netherlands Antilles");
  addOption("Latin America & the Caribbean", "Nicaragua", "Nicaragua");
  addOption("Latin America & the Caribbean", "Panama", "Panama");
  addOption("Latin America & the Caribbean", "Paraguay", "Paraguay");
  addOption("Latin America & the Caribbean", "Peru", "Peru");
  addOption("Latin America & the Caribbean", "Puerto Rico", "Puerto Rico");
  addOption("Latin America & the Caribbean", "St. Kitts and Nevis", "St. Kitts and Nevis");
  addOption("Latin America & the Caribbean", "St. Lucia", "St. Lucia");
  addOption("Latin America & the Caribbean", "St. Vincent and the Grenadines", "St. Vincent and the Grenadines");
  addOption("Latin America & the Caribbean", "Suriname", "Suriname");
  addOption("Latin America & the Caribbean", "Trinidad and Tobago", "Trinidad and Tobago");
  addOption("Latin America & the Caribbean", "Turks and Caicos Islands", "Turks and Caicos Islands");
  addOption("Latin America & the Caribbean", "U.S. Virgin Islands", "U.S. Virgin Islands");
  addOption("Latin America & the Caribbean", "Uruguay", "Uruguay");
  addOption("Latin America & the Caribbean", "Venezuela", "Venezuela");
 endOptGroup("Latin America & the Caribbean", "");

addOption("Middle East", "Select a country", "");
addOptGroup("Middle East", "");
  addOption("Middle East", "Bahrain", "Bahrain");
  addOption("Middle East", "Cyprus", "Cyprus");
  addOption("Middle East", "Egypt", "Egypt");
  addOption("Middle East", "Iran", "Iran");
  addOption("Middle East", "Iraq", "Iraq");
  addOption("Middle East", "Israel", "Israel");
  addOption("Middle East", "Jordan", "Jordan");
  addOption("Middle East", "Kuwait", "Kuwait");
  addOption("Middle East", "Lebanon", "Lebanon");
  addOption("Middle East", "Oman", "Oman");
  addOption("Middle East", "Palestine", "Palestine");
  addOption("Middle East", "Qatar", "Qatar");
  addOption("Middle East", "Saudi Arabia", "Saudi Arabia");
  addOption("Middle East", "Syria", "Syria");
  addOption("Middle East", "Turkey", "Turkey");
  addOption("Middle East", "United Arab Emirates", "United Arab Emirates");
  addOption("Middle East", "Yemen", "Yemen");
endOptGroup("Middle East", "");

addOption("North America", "Select a country", "");
addOptGroup("North America", "");
  addOption("North America", "Canada", "Canada");
  addOption("North America", "Mexico", "Mexico");
  addOption("North America", "United States", "United States");
 endOptGroup("North America", "");