//var hide_empty_list=true; //uncomment this line to hide empty selection lists

var disable_empty_list=true; //uncomment this line to disable empty selection lists

addListGroup("roomrates", "city");

addOption("city", "Alle Städte", "", ""); //Empty starter option

addList("city", "Amsterdam", "Amsterdam", "Amsterdam-hotel");
addList("city", "Ankara", "Ankara", "Ankara-hotel");
addList("city", "Bangkok", "Bangkok", "Bangkok-hotel");
addList("city", "Basel", "Basel", "Basel-hotel");
addList("city", "Beijing", "Beijing", "Beijing-hotel");
addList("city", "Berlin", "Berlin", "Berlin-hotel");
addList("city", "Bremen", "Bremen", "Bremen-hotel");
addList("city", "Chicago", "Chicago", "Chicago-hotel");
addList("city", "Düsseldorf", "Düsseldorf", "Dusseldorf-hotel");
addList("city", "Foshan", "Foshan", "Foshan-hotel");
addList("city", "Geneva", "Geneva", "Geneva-hotel");
addList("city", "Göcek", "Göcek", "Gocek-hotel");
addList("city", "Istanbul", "Istanbul", "Istanbul-hotel");
addList("city", "Izmir", "Izmir", "Izmir-hotel");
addList("city", "Kunshan", "Kunshan", "Kunshan-hotel");
addList("city", "Lima", "Lima", "Lima-hotel");
addList("city", "London", "London", "London-hotel");
addList("city", "Moscow", "Moscow", "Moscow-hotel");
addList("city", "Osaka", "Osaka", "Osaka-hotel");
addList("city", "Quito", "Quito", "Qiuto-hotel");
addList("city", "Shanghai", "Shanghai", "Shanghai-hotel");
addList("city", "Singapore", "Singapore", "Singapore-hotel");
addList("city", "Sydney", "Sydney", "Sydney-hotel");
addList("city", "Tallinn", "Tallinn", "Tallinn-hotel");
addList("city", "Zürich", "Zürich", "Zurich-hotel");

addOption("Amsterdam-hotel", "Swissôtel Amsterdam", "SAM");
addOption("Ankara-hotel", "Swissôtel Ankara", "SAK");
addOption("Bangkok-hotel", "Select a Hotel", "");
addOption("Bangkok-hotel", "Swissôtel Nai Lert Park, Bangkok", "SNL");
addOption("Bangkok-hotel", "Swissôtel Le Concorde Bangkok", "SLC");
addOption("Basel-hotel", "Swissôtel Le Plaza Basel", "SBA");
addOption("Beijing-hotel", "Swissôtel Beijing", "SBJ");
addOption("Berlin-hotel", "Swissôtel Berlin", "SBE");
addOption("Bremen-hotel", "Swissôtel Bremen", "SBR");
addOption("Chicago-hotel", "Swissôtel Chicago", "SCH");
addOption("Dusseldorf-hotel", "Swissôtel Düsseldorf/Neuss", "SDU");
addOption("Foshan-hotel", "Swissôtel Foshan", "SFO");
addOption("Geneva-hotel", "Select a Hotel", "");
addOption("Geneva-hotel", "Swissôtel Geneva-Metropole", "SGE");
addOption("Geneva-hotel", "Restaurant Hôtel Parc des Eaux-Vives", "SPE");
addOption("Gocek-hotel", "Swissôtel Göcek Marina Resort", "SGO");
addOption("Istanbul-hotel", "Swissôtel Istanbul - The Bosphorus", "SIS");
addOption("Izmir-hotel", "Swissôtel Grand Efes, Izmir", "SIZ");
addOption("Kunshan-hotel", "Swissôtel Kunshan", "SKU");
addOption("Lima-hotel", "Swissôtel Lima", "SLI");
addOption("London-hotel", "Swissôtel The Howard - London", "SLO");
addOption("Moscow-hotel", "Swissôtel Krasnye Holmy", "SMW");
addOption("Osaka-hotel", "Swissôtel Nankai, Osaka", "SOS");
addOption("Qiuto-hotel", "Swissôtel Quito", "SQU");
addOption("Shanghai-hotel", "Swissôtel Grand Shanghai", "SSH");
addOption("Singapore-hotel", "Select a Hotel", "");
addOption("Singapore-hotel", "Swissôtel Merchant Court", "SMC");
addOption("Singapore-hotel", "Swissôtel The Stamford", "STS");
addOption("Sydney-hotel", "Swissôtel Sydney", "SSY");
addOption("Tallinn-hotel", "Swissôtel Tallinn", "STL");
addOption("Zurich-hotel", "Swissôtel Zürich", "SZU");