function changePort() {
	var destination		= document.getElementById('destination');
	var selectedDest 	= destination.options[destination.selectedIndex].value;
	var port			= document.getElementById('portCode');
	var portList 	= null;
	
	switch(selectedDest) {
		//Alaska
		case 'ALASKA':
			portList = [{"id":"JNU","value":"Juneau"},{"id":"KTN","value":"Ketchikan"},{"id":"PRR","value":"Prince Rupert"},{"id":"SEA","value":"Seattle"},{"id":"SGY","value":"Skagway"},{"id":"VAN","value":"Vancouver"},{"id":"VIC","value":"Victoria"}];
		break;
		
		//Bahamas and Florida
		case 'BAHAMAS FLORIDA':
			portList = [{"id":"FPO","value":"Grand Bahama Island"},{"id":"NPI","value":"Great Stirrup Cay"},{"id":"MIA","value":"Miami"},{"id":"NAS","value":"Nassau"},{"id":"PCV","value":"Orlando (Port Canaveral)"}];
		break;
		
		//Bermuda
		case 'BERMUDA':
			portList = [{"id":"BOS","value":"Boston"},{"id":"WRF","value":"King's Wharf"},{"id":"PHL","value":"Philadelphia"},{"id":"SGE","value":"St. George's"}];
		break;
		
		//Canada and New England
		case 'CANADA/NEW ENGL':
			portList = [{"id":"BHB","value":"Bar Harbor"},{"id":"BOS","value":"Boston"},{"id":"CHA","value":"Charlottetown"},{"id":"HAL","value":"Halifax"},{"id":"LBI","value":"la Baie"},{"id":"MVY","value":"Martha's Vineyard"},{"id":"NPO","value":"Newport"},{"id":"PHL","value":"Philadelphia"},{"id":"PWM","value":"Portland"},{"id":"QUE","value":"Quebec City"},{"id":"SJB","value":"Saint John (Bay Of Fundy)"},{"id":"SEI","value":"Sept Īles"},{"id":"SYN","value":"Sydney"}];
		break;
		
		//Caribbean
		case 'CARIBBEAN':
			portList = [{"id":"ANU","value":"Antigua"},{"id":"ORJ","value":"Aruba"},{"id":"BGI","value":"Barbados"},{"id":"BZE","value":"Belize City"},{"id":"BOS","value":"Boston"},{"id":"CMA","value":"Costa Maya"},{"id":"CZM","value":"Cozumel"},{"id":"WIL","value":"Curacao"},{"id":"RSU","value":"Dominica"},{"id":"GEC","value":"Grand Cayman"},{"id":"NPI","value":"Great Stirrup Cay"},{"id":"WRF","value":"King's Wharf"},{"id":"MIA","value":"Miami"},{"id":"NAS","value":"Nassau"},{"id":"NSY","value":"New Orleans"},{"id":"RTB","value":"Roatan"},{"id":"SAM","value":"Samana"},{"id":"SJU","value":"San Juan"},{"id":"TDE","value":"Santo Tomas De Castilla"},{"id":"BAS","value":"St Kitts"},{"id":"SLU","value":"St Lucia"},{"id":"PHI","value":"St. Maarten"},{"id":"STT","value":"St. Thomas"},{"id":"TOV","value":"Tortola"}];
		break;
		
		//Europe
		case 'EUROPE':
			portList = [{"id":"AGA","value":"Agadir"},{"id":"AJA","value":"Ajaccio"},{"id":"AES","value":"Alesund"},{"id":"ALY","value":"Alexandria"},{"id":"AMS","value":"Amsterdam"},{"id":"ACE","value":"Arrecife (Lanzarote)"},{"id":"PIR","value":"Athens (Piraeus)"},{"id":"BCN","value":"Barcelona"},{"id":"BFS","value":"Belfast"},{"id":"BGO","value":"Bergen"},{"id":"WAR","value":"Berlin (Warnemuende)"},{"id":"ZEE","value":"Brussels / Brugge (Zeebrugge)"},{"id":"CAG","value":"Cagliari"},{"id":"CEQ","value":"Cannes"},{"id":"CAS","value":"Casablanca"},{"id":"CND","value":"Constanta"},{"id":"CPH","value":"Copenhagen"},{"id":"CFU","value":"Corfu"},{"id":"COB","value":"Cork (Cobh)"},{"id":"DUB","value":"Dublin"},{"id":"DBV","value":"Dubrovnik"},{"id":"SOQ","value":"Edinburgh (South Queensferry)"},{"id":"IZM","value":"Ephesus (Izmir)"},{"id":"FAL","value":"Falmouth"},{"id":"LIV","value":"Florence / Pisa (Livorno)"},{"id":"FNC","value":"Funchal"},{"id":"GNR","value":"Geiranger"},{"id":"GIB","value":"Gibraltar"},{"id":"GRK","value":"Glasgow (Greenock)"},{"id":"AGP","value":"Granada (Malaga)"},{"id":"GCI","value":"Guernsey Channel Islands"},{"id":"HAL","value":"Halifax"},{"id":"HSY","value":"Hellesylt"},{"id":"HEL","value":"Helsinki"},{"id":"HVG","value":"Honningsvaag"},{"id":"IVG","value":"Inverness (Invergordon)"},{"id":"HER","value":"Iraklion"},{"id":"IST","value":"Istanbul"},{"id":"KAK","value":"Katakolon"},{"id":"KRD","value":"Kristiansund"},{"id":"LPA","value":"Las Palmas"},{"id":"LER","value":"Lerwick, Shetland Islands"},{"id":"LIS","value":"Lisbon"},{"id":"DVR","value":"London (Dover)"},{"id":"SOV","value":"London (Southampton)"},{"id":"MSN","value":"Messina"},{"id":"JMK","value":"Mykonos"},{"id":"NAF","value":"Nafplion"},{"id":"NAP","value":"Naples"},{"id":"VFE","value":"Nice (Villefranche)"},{"id":"ODS","value":"Odessa"},{"id":"OLB","value":"Olbia"},{"id":"OSL","value":"Oslo"},{"id":"PMI","value":"Palma"},{"id":"LEH","value":"Paris (Le Havre)"},{"id":"PDL","value":"Ponta Delgada"},{"id":"REY","value":"Reykjavik"},{"id":"RHO","value":"Rhodes"},{"id":"CIV","value":"Rome (Civitavecchia)"},{"id":"RTM","value":"Rotterdam"},{"id":"JTR","value":"Santorini"},{"id":"CAD","value":"Seville (Cadiz)"},{"id":"SPU","value":"Split"},{"id":"SJF","value":"St. John's, Newfoundland"},{"id":"LED","value":"St. Petersburg"},{"id":"SVG","value":"Stavanger"},{"id":"STO","value":"Stockholm"},{"id":"TLL","value":"Tallinn"},{"id":"TRP","value":"Trondheim"},{"id":"MLA","value":"Valletta (Malta)"},{"id":"VAR","value":"Varna"},{"id":"VCE","value":"Venice"},{"id":"VGO","value":"Vigo"},{"id":"YAL","value":"Yalta"}];
		break;
		
		//Hawaii
		case 'HAWAII':
			portList = [{"id":"ITO","value":"Hilo"},{"id":"HNL","value":"Honolulu"},{"id":"NWK","value":"Kauai"},{"id":"KOA","value":"Kona"},{"id":"OGG","value":"Maui (Kahului)"},{"id":"LHN","value":"Maui (Lahaina)"}];
		break;
		
		//Mexican Riviera
		case 'MEXICAN RIVIERA':
			portList = [{"id":"CSL","value":"Cabo San Lucas"},{"id":"LAP","value":"La Paz (Pichilingue)"},{"id":"LAX","value":"Los Angeles"},{"id":"MZT","value":"Mazatlan"},{"id":"PVR","value":"Puerto Vallarta"},{"id":"SFO","value":"San Francisco"},{"id":"TPB","value":"Topolobampo"},{"id":"XIH","value":"Zihuatanejo / Ixtapa"}];
		break;
		
		//Pacific Coastal
		case 'PACIFIC COASTAL':
			portList = [{"id":"AST","value":"Astoria"},{"id":"JNU","value":"Juneau"},{"id":"KTW","value":"Ketchikan"},{"id":"LAX","value":"Los Angeles"},{"id":"SFO","value":"San Francisco"},{"id":"SGY","value":"Skagway"},{"id":"VAN","value":"Vancouver"},{"id":"VIC","value":"Victoria"}];
		break;
		
		//Panama Canal
		case 'PANAMA CANAL':
			portList = [{"id":"ACA","value":"Acapulco"},{"id":"ORJ","value":"Aruba"},{"id":"CSL","value":"Cabo San Lucas"},{"id":"CTG","value":"Cartagena"},{"id":"WIL","value":"Curacao"},{"id":"HUX","value":"Huatulco"},{"id":"LAX","value":"Los Angeles"},{"id":"MIA","value":"Miami"},{"id":"LIO","value":"Puerto Limon"},{"id":"PRQ","value":"Puerto Quetzal"},{"id":"PVR","value":"Puerto Vallarta"},{"id":"PAS","value":"Puntarenas"},{"id":"SFO","value":"San Francisco"},{"id":"VAN","value":"Vancouver"}];
		break;
		
		//South America
		case 'SOUTH AMERICA':
			portList = [{"id":"ACA","value":"Acapulco"},{"id":"ARF","value":"Arica"},{"id":"BUE","value":"Buenos Aires"},{"id":"CQQ","value":"Coquimbo"},{"id":"IQQ","value":"Iquique"},{"id":"CLL","value":"Lima (Callao)"},{"id":"LAX","value":"Los Angeles"},{"id":"MEC","value":"Manta"},{"id":"MVD","value":"Montevideo"},{"id":"CHB","value":"Puerto Chacabuco"},{"id":"PMY","value":"Puerto Madryn"},{"id":"PMC","value":"Puerto Montt"},{"id":"PRQ","value":"Puerto Quetzal"},{"id":"PUQ","value":"Punta Arenas"},{"id":"PAS","value":"Puntarenas"},{"id":"SFO","value":"San Francisco"},{"id":"VAP","value":"Santiago (Valparaiso)"},{"id":"PSY","value":"Stanley"},{"id":"SVE","value":"Trujillo (Salaverry)"},{"id":"USH","value":"Ushuaia"}];
		break;
		
		case '11':
			portList = [{"id":1,"value":"Port"}];
	}
	
	removeAllOptions(port);
	
	if(portList != null) {
		//Set values
		 for(var idx in portList) {
			try {
					port.add(new Option(portList[idx].value, portList[idx].id),null);
				}
				catch(e) {
					port.add(new Option(portList[idx].value, portList[idx].id));
				}
		 }
	}
}

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