function fillCategory(){ 
 // this function is used to fill the category list on load

addOption(document.drop_list.Category, "Los Cristianos", "Los Cristianos", "");
addOption(document.drop_list.Category, "Playa de Las Americas", "Playa de Las Americas", "");
addOption(document.drop_list.Category, "Costa Adeje", "Costa Adeje", "");
addOption(document.drop_list.Category, "La Caleta", "La Caleta", "");
addOption(document.drop_list.Category, "Playa Paraiso", "Playa Paraiso", "");
}

function SelectSubCat(){
// ON selection of category this function will work

removeAllOptions(document.drop_list.SubCat);
addOption(document.drop_list.SubCat, "", "Choose Hotel", "");

if(document.drop_list.Category.value == 'Los Cristianos'){
addOption(document.drop_list.SubCat,"Arona Gran", "Los Cristianos - Arona Gran");
addOption(document.drop_list.SubCat,"Bahia Colon", "Los Cristianos - Bahia Colon");
addOption(document.drop_list.SubCat,"H10 Oasis Moreque", "Los Cristianos - H10 Oasis Moreque");
addOption(document.drop_list.SubCat,"Paradise Parke", "Los Cristianos - Paradise Park");
addOption(document.drop_list.SubCat,"Reveron Plaza", "Los Cristianos - Reveron Plaza");
addOption(document.drop_list.SubCat,"Sol Princesa Dacil", "Los Cristianos - Sol Princesa Dacil");
}
if(document.drop_list.Category.value == 'Playa de Las Americas'){
addOption(document.drop_list.SubCat,"Bitacora", "Bitacora");
addOption(document.drop_list.SubCat,"Catalonia Oro Negro", "Catalonia Oro Negro");
addOption(document.drop_list.SubCat,"Cleopatra Palace - Mare Nostrum", "Cleopatra Palace Mare Nostrum");
addOption(document.drop_list.SubCat,"Columbus", "Playa De Las Americas - Columbus");
addOption(document.drop_list.SubCat,"Coral Beach", "Playa De Las Americas - Coral Beach");
addOption(document.drop_list.SubCat,"Europe Villa Corte", "Playa De Las Americas - Europe Villa Corte");
addOption(document.drop_list.SubCat,"Gala", "Playa De Las Americas - Gala");
addOption(document.drop_list.SubCat,"Granada Park", "Playa De Las Americas - Granada Park");
addOption(document.drop_list.SubCat,"Noelia Sur", "Playa De Las Americas - Noelia Sur");
addOption(document.drop_list.SubCat,"H10 Conquistador", "Playa De Las Americas - H10 Conquistador");
addOption(document.drop_list.SubCat,"H10 Las Palmeras", "Playa De Las Americas - H10 Las Palmeras");
addOption(document.drop_list.SubCat,"Hesperia Troya", "Playa De Las Americas - Hesperia Troya");
addOption(document.drop_list.SubCat,"La Siesta", "Playa De Las Americas - La Siesta");
addOption(document.drop_list.SubCat,"Las Madriqueras", "Playa De Las Americas - Las Madriqueras");
addOption(document.drop_list.SubCat,"Marylanza Golf Resort", "Playa De Las Americas - Marylanza Golf Resort");
addOption(document.drop_list.SubCat,"Marco Antonio Palace", "Playa De Las Americas - Marco Antonio Palace");
addOption(document.drop_list.SubCat, "Julio Cesar Palace - Mare Nostr", "Julio Cesar Palace Mare Nostrum");
addOption(document.drop_list.SubCat, "Mediterranean Palace", "Playa De Las Americas - Mediterranean Palace");
addOption(document.drop_list.SubCat, "Park Club Europe", "Playa De Las Americas - Park Club Europe");
addOption(document.drop_list.SubCat, "Parque Cristobal", "Playa De Las Americas - Parque Cristobal");
addOption(document.drop_list.SubCat, "Parque Cattleya", "Playa De Las Americas - Parque Cattleya");
addOption(document.drop_list.SubCat, "Parque De La Paz", "Playa De Las Americas - Parque De La Paz");
addOption(document.drop_list.SubCat, "Sir Anthony", "Playa De Las Americas - SirAnthony");
addOption(document.drop_list.SubCat, "Sol Tenerife", "Playa De Las Americas - Sol Tenerife");
addOption(document.drop_list.SubCat, "Tropical Playa", "Playa De Las Americas - Tropical Playa");
addOption(document.drop_list.SubCat, "Udalla Park", "Playa De Las Americas - Udalla Park");
addOption(document.drop_list.SubCat, "Vulcano", "Playa De Las Americas - Vulcano");
addOption(document.drop_list.SubCat, "Zentral Centre", "Playa De Las Americas - Zentral Centre");
}
if(document.drop_list.Category.value == 'Costa Adeje'){
addOption(document.drop_list.SubCat, "Aqa Jacaranda", "Costa Adeje - Aqa Jacaranda");
addOption(document.drop_list.SubCat, "Costa Adeje Gran Hotel", "Costa Adeje - Costa Adeje Gran Hotel");
addOption(document.drop_list.SubCat, "Caledonia Park", "Costa Adeje - Caledonia Park");
addOption(document.drop_list.SubCat, "Costa Adeje Gran Hotel", "Costa Adeje - Costa Adeje Gran Hotel");
addOption(document.drop_list.SubCat, "Colon Guanahani", "Costa Adeje - Colon Guanahani");
addOption(document.drop_list.SubCat, "Club Atlantis", "Costa Adeje - Club Atlantis");
addOption(document.drop_list.SubCat, "El Duque", "Costa Adeje - El Duque");
addOption(document.drop_list.SubCat, "Gran Tacande", "Costa Adeje - Gran Tacande");
addOption(document.drop_list.SubCat, "Villa Tagoro", "Costa Adeje - Villa Tagoro");
addOption(document.drop_list.SubCat, "Esmeralda Playa", "Costa Adeje - EsmeraldaPlaya");
addOption(document.drop_list.SubCat, "El Duque", "Costa Adeje - El Duque");
addOption(document.drop_list.SubCat, "Fanabe Costa Sur", "Costa Adeje - Fanabe Costa Sur");
addOption(document.drop_list.SubCat, "Gran Hotel Bahia Del Duque Gran Melia", "Gran Hotel Bahia Del Duque Gran Melia");
addOption(document.drop_list.SubCat, "H10 Gran Tinerfe", "Costa Adeje - H10 Gran Tinerfe");
addOption(document.drop_list.SubCat, "H10 La Nina", "Costa Adeje - H10 La Nina");
addOption(document.drop_list.SubCat, "Iberosta Bouganville Playa", "Costa Adeje - Iberosta Bouganville Playa");
addOption(document.drop_list.SubCat, "Fanabe Costa Sur", "Costa Adeje - Fanabe Costa Sur");
addOption(document.drop_list.SubCat, "Iberostar Grand Hotel Anthelia", "Costa Adeje - Iberostar Grand Hotel Anthelia");
addOption(document.drop_list.SubCat, "Iberostar Las Dalias", "Costa Adeje - Iberostar Las Dalias");
addOption(document.drop_list.SubCat, "Iberostar Torviscas Playa", "Costa Adeje - Iberostar Torviscas Playa");
addOption(document.drop_list.SubCat, "Isla Bonita", "Costa Adeje - Isla Bonita");
addOption(document.drop_list.SubCat, "Jardines de Nivaria", "Costa Adeje - Jardinesde Nivaria");
addOption(document.drop_list.SubCat, "Jardin Tropical", "Costa Adeje - Jardin Tropical");
addOption(document.drop_list.SubCat, "Lagos De Fanabes", "Costa Adeje - Lagos De Fanabe");
addOption(document.drop_list.SubCat, "La Pinta", "Costa Adeje - La Pinta");
addOption(document.drop_list.SubCat, "Los Geranios", "Costa Adeje - Los Geranios");
addOption(document.drop_list.SubCat, "Melia Jardines Del Teide", "Costa Adeje - Melia Jardines Del Teide");
addOption(document.drop_list.SubCat, "Ocean Palace", "Costa Adeje - Ocean Palace");
addOption(document.drop_list.SubCat, "Panorama", "Costa Adeje - Panorama");
addOption(document.drop_list.SubCat, "Ponderosa", "Costa Adeje - Ponderosa");
addOption(document.drop_list.SubCat, "Royal Garden Tenerife", "Costa Adeje - Royal Garden Tenerife");
addOption(document.drop_list.SubCat, "Riu Adeje", "Costa Adeje - Riu Adeje");
addOption(document.drop_list.SubCat, "Santa Maria", "Costa Adeje - Santa Maria");
addOption(document.drop_list.SubCat, "Vincci La Plantacion", "Costa Adeje - Vincci La Plantacion");
}
if(document.drop_list.Category.value == 'La Caleta'){
addOption(document.drop_list.SubCat, "H10 Costa Adeje Palace", "La Caleta - H10 Costa Adeje Palace");
addOption(document.drop_list.SubCat, "Jardin Caleta", "La Caleta - Jardin Caleta");
addOption(document.drop_list.SubCat, "Riu Arecas", "La Caleta - Riu Arecas");
addOption(document.drop_list.SubCat, "Riu Palace Tenerife", "La Caleta - Riu Palace Tenerife");
addOption(document.drop_list.SubCat, "Sheraton La Caleta Resort & Spa", "La Caleta - Sheraton La Caleta Resort Spa");
}
if(document.drop_list.Category.value == 'Playa Paraiso'){
addOption(document.drop_list.SubCat, "Bahia Principe Costa Adeje", "Playa Paraiso - Bahia Principe Costa Adeje");
addOption(document.drop_list.SubCat, "Bahia Principe Resort", "Playa Paraiso - Bahia Principe Resort");
addOption(document.drop_list.SubCat, "Bahia Principe Tenerife", "Playa Paraiso - Bahia Principe Tenerife");
addOption(document.drop_list.SubCat, "Dunas Paraiso", "Playa Paraiso - Dunas Paraiso");
addOption(document.drop_list.SubCat, "Fiesta Hotel Paraiso Floral", "Playa Paraiso - Fiesta Hotel Paraiso Floral");
addOption(document.drop_list.SubCat, "Fiesta Oasis Paraiso", "Playa Paraiso - Fiesta Oasis Paraiso");
addOption(document.drop_list.SubCat, "Roca Nivaria Gran Hotel", "Playa Paraiso - Roca Nivaria Gran Hotel");
}

}
////////////////// 

function removeAllOptions(selectbox)
{
	var i;
	for(i=selectbox.options.length-1;i>=0;i--)
	{
		//selectbox.options.remove(i);
		selectbox.remove(i);
	}
}


function addOption(selectbox, value, text )
{
	var optn = document.createElement("OPTION");
	optn.text = text;
	optn.value = value;

	selectbox.options.add(optn);
}