function setOptions(chosen) {
var selbox = document.myform.opttwo;

selbox.options.length = 0;
if (chosen == " ") {
  selbox.options[selbox.options.length] = new Option('Please select one of the options above first',' ');

}
if (chosen == "buick") {
  selbox.options[selbox.options.length] = new Option('Centurion','Centurion');
  selbox.options[selbox.options.length] = new Option('Century','Century');
  selbox.options[selbox.options.length] = new Option('Deluxe','Deluxe');
  selbox.options[selbox.options.length] = new Option('Electra','Electra');
  selbox.options[selbox.options.length] = new Option('Gran Sport','Gran Sport');
  selbox.options[selbox.options.length] = new Option('LeSabre','LeSabre');
  selbox.options[selbox.options.length] = new Option('Luxus','Luxus');
  selbox.options[selbox.options.length] = new Option('Park Avenue','Park Avenue');
  selbox.options[selbox.options.length] = new Option('Regal','Regal');
  selbox.options[selbox.options.length] = new Option('Riviera','Riviera');
  selbox.options[selbox.options.length] = new Option('Roadmaster','Roadmaster');
  selbox.options[selbox.options.length] = new Option('Skylark','Skylark');
  selbox.options[selbox.options.length] = new Option('Special','Special');
  selbox.options[selbox.options.length] = new Option('Wildcat','Wildcat');
}
if (chosen == "cadillac") {
  selbox.options[selbox.options.length] = new Option('Deville','Deville');
  selbox.options[selbox.options.length] = new Option('Escalade','Escalade');
  selbox.options[selbox.options.length] = new Option('Fleetwood','Fleetwood');
  
}
if (chosen == "chevrolet") {
  selbox.options[selbox.options.length] = new Option('2500','2500');
  selbox.options[selbox.options.length] = new Option('3500','3500');
  selbox.options[selbox.options.length] = new Option('4500','4500');
  selbox.options[selbox.options.length] = new Option('300 Deluxe','300 Deluxe');
  selbox.options[selbox.options.length] = new Option('Astrovan','Astrovan');
  selbox.options[selbox.options.length] = new Option('Avalanche','Avalanche');
  selbox.options[selbox.options.length] = new Option('Bel Air','Bel Air');
  selbox.options[selbox.options.length] = new Option('Beretta','Beretta');
  selbox.options[selbox.options.length] = new Option('Biscayne','Biscayne');
  selbox.options[selbox.options.length] = new Option('Blazer','Blazer');
  selbox.options[selbox.options.length] = new Option('C-10','C 10');
  selbox.options[selbox.options.length] = new Option('C-20','C 20');
  selbox.options[selbox.options.length] = new Option('C-30','C 30');
  selbox.options[selbox.options.length] = new Option('C-1500','C 1500');
  selbox.options[selbox.options.length] = new Option('C-2500','C 2500');
  selbox.options[selbox.options.length] = new Option('C-3500','C 3500');
  selbox.options[selbox.options.length] = new Option('Camero','Camero');
  selbox.options[selbox.options.length] = new Option('Caprice','Caprice');
  selbox.options[selbox.options.length] = new Option('Celebrity','Celebrity');
  selbox.options[selbox.options.length] = new Option('Chevelle','Chevelle');
  selbox.options[selbox.options.length] = new Option('Colorado','Colorado');
  selbox.options[selbox.options.length] = new Option('Corsica','Corsica');
  selbox.options[selbox.options.length] = new Option('El Camino','El Camino');
  selbox.options[selbox.options.length] = new Option('Equinox','Equinox');
  selbox.options[selbox.options.length] = new Option('Express','Express');
  selbox.options[selbox.options.length] = new Option('G-10','G 10');
  selbox.options[selbox.options.length] = new Option('G-20','G 20');
  selbox.options[selbox.options.length] = new Option('G-30 Class C Motorhome','G 30 Class C Motorhome');
  selbox.options[selbox.options.length] = new Option('G-3500','G 3500');
  selbox.options[selbox.options.length] = new Option('G-3500 Class C Motorhome','G 3500 Class C Motorhome');
  selbox.options[selbox.options.length] = new Option('Geo-Tracker','Geo Tracker'); 
  selbox.options[selbox.options.length] = new Option('GP-30 Cutaway Chassis','GP 30 Cutaway Chassis'); 
  selbox.options[selbox.options.length] = new Option('Impala','Impala');
  selbox.options[selbox.options.length] = new Option('K-10','K 10');
  selbox.options[selbox.options.length] = new Option('K-20','K 20');
  selbox.options[selbox.options.length] = new Option('K-1500','K 1500');
  selbox.options[selbox.options.length] = new Option('K-2500','K 2500');
  selbox.options[selbox.options.length] = new Option('K-3500','K 3500');
  selbox.options[selbox.options.length] = new Option('Laguna','Laguna');
  selbox.options[selbox.options.length] = new Option('Lumina','Lumina');
  selbox.options[selbox.options.length] = new Option('Malibu','Malibu');
  selbox.options[selbox.options.length] = new Option('Monte Carlo','Monte Carlo'); 
  selbox.options[selbox.options.length] = new Option('P-30 Class A Motorhome','P 30 Class A Motorhome');
  selbox.options[selbox.options.length] = new Option('P-32 Class A Motorhome','P 32 Class A Motorhome');
  selbox.options[selbox.options.length] = new Option('S-10','S 10');
  selbox.options[selbox.options.length] = new Option('Silverado','Silverado');
  selbox.options[selbox.options.length] = new Option('SS','SS');  
  selbox.options[selbox.options.length] = new Option('Suburban','Suburban');
  selbox.options[selbox.options.length] = new Option('Tahoe','Tahoe');
  selbox.options[selbox.options.length] = new Option('Trailblazer','Trailblazer');
  selbox.options[selbox.options.length] = new Option('Venture','venture');
 }
 if (chosen == "chrysler") {
  selbox.options[selbox.options.length] = new Option('5th Avenue','5th Avenue');
  selbox.options[selbox.options.length] = new Option('Imperial','Imperial');
  selbox.options[selbox.options.length] = new Option('Landua','Landua');
  selbox.options[selbox.options.length] = new Option('LeBaron','LeBaron');
  selbox.options[selbox.options.length] = new Option('New Yorker','New Yorker');
  selbox.options[selbox.options.length] = new Option('PT Cruiser','PT Crusier');
  selbox.options[selbox.options.length] = new Option('Salon','Salon');
  selbox.options[selbox.options.length] = new Option('TC by Maserati','TC by Maserati');
  selbox.options[selbox.options.length] = new Option('Town & Country','Town & Country');
}
 if (chosen == "dodge") {
  selbox.options[selbox.options.length] = new Option('3500','3500');
  selbox.options[selbox.options.length] = new Option('B-100','B 100');
  selbox.options[selbox.options.length] = new Option('B-150','B 150');
  selbox.options[selbox.options.length] = new Option('B-200','B 200');
  selbox.options[selbox.options.length] = new Option('B-250','B 250');
  selbox.options[selbox.options.length] = new Option('B-300','B 300');
  selbox.options[selbox.options.length] = new Option('B-350 Class C Motorhome','B 350 Class C Motorhome');
  selbox.options[selbox.options.length] = new Option('B-1500','B 1500');
  selbox.options[selbox.options.length] = new Option('B-2500','B 2500');
  selbox.options[selbox.options.length] = new Option('B-3500','B 3500');
  selbox.options[selbox.options.length] = new Option('Caravan','Caravan');
  selbox.options[selbox.options.length] = new Option('D-250','D 250');
  selbox.options[selbox.options.length] = new Option('D-350','D 350');
  selbox.options[selbox.options.length] = new Option('Dakota','Dakota');
  selbox.options[selbox.options.length] = new Option('Daytona','Daytona');
  selbox.options[selbox.options.length] = new Option('Durango','Durango');
  selbox.options[selbox.options.length] = new Option('Dynasty','Dynasty')
  selbox.options[selbox.options.length] = new Option('Freightliner Sprinter 2500','Freightliner Sprinter 2500');
  selbox.options[selbox.options.length] = new Option('Grand Caravan','Grand Caravan');
  selbox.options[selbox.options.length] = new Option('Lancer','Lancer');
  selbox.options[selbox.options.length] = new Option('M-300 Class A Motorhome','M 300 Class A Motorhome');
  selbox.options[selbox.options.length] = new Option('M-400 Class A Motorhome','M 400 Class A Motorhome');
  selbox.options[selbox.options.length] = new Option('M-500 Class A Motorhome','M 500 Class A Motorhome');
  selbox.options[selbox.options.length] = new Option('M-600 Class A Motorhome','M 600 Class A Motorhome');
  selbox.options[selbox.options.length] = new Option('Ram 50','Ram 50');
  selbox.options[selbox.options.length] = new Option('Ram 1500','Ram 1500');
  selbox.options[selbox.options.length] = new Option('Ram 2500','Ram 2500');
  selbox.options[selbox.options.length] = new Option('Ram 3500','Ram 3500');
  selbox.options[selbox.options.length] = new Option('Ramcharger','Ramcharger');
  selbox.options[selbox.options.length] = new Option('Shadow','Shadow');
  selbox.options[selbox.options.length] = new Option('Spirit','Spirit');
  selbox.options[selbox.options.length] = new Option('SRT-10','SRT 10');
  selbox.options[selbox.options.length] = new Option('W-250','W 250');
  selbox.options[selbox.options.length] = new Option('W-350','W 350');
}
if (chosen == "ford") {
  selbox.options[selbox.options.length] = new Option('Aerostar','Aerostar');
  selbox.options[selbox.options.length] = new Option('Bronco','Bronco'); 
  selbox.options[selbox.options.length] = new Option('Country Squire','Country Squire');
  selbox.options[selbox.options.length] = new Option('Crown Victoria','Crown Victoria');
  selbox.options[selbox.options.length] = new Option('E-150','E 150');
  selbox.options[selbox.options.length] = new Option('E-250','E 250');
  selbox.options[selbox.options.length] = new Option('E-350','E 350');
  selbox.options[selbox.options.length] = new Option('E-350 Class C Motorhome','E 350 Class C Motorhome');
  selbox.options[selbox.options.length] = new Option('E-450 SuperDuty Class C','E 450 SuperDuty Class C');
  selbox.options[selbox.options.length] = new Option('Escape','Escape');
  selbox.options[selbox.options.length] = new Option('Excursion','Excursion');
  selbox.options[selbox.options.length] = new Option('Expedition','Expedition');
  selbox.options[selbox.options.length] = new Option('Explorer','Explorer');
  selbox.options[selbox.options.length] = new Option('F-53 Class A Motorhome','F 53 Class A Motorhome');
  selbox.options[selbox.options.length] = new Option('F-100','F 100');
  selbox.options[selbox.options.length] = new Option('F-150','F 150');
  selbox.options[selbox.options.length] = new Option('F-250','F 250');
  selbox.options[selbox.options.length] = new Option('F-350','F 350');
  selbox.options[selbox.options.length] = new Option('F-450','F 450');
  selbox.options[selbox.options.length] = new Option('F-550','F 550');
  selbox.options[selbox.options.length] = new Option('Focus Sedan','Focus Sedan');
  selbox.options[selbox.options.length] = new Option('Focus Station Wagon','Focus Station Wagon');
  selbox.options[selbox.options.length] = new Option('Freestar','Freestar');
  selbox.options[selbox.options.length] = new Option('Heritage F-150','Heritage F 150');
  selbox.options[selbox.options.length] = new Option('Mustang','Mustang');
  selbox.options[selbox.options.length] = new Option('Ranger','Ranger');
  selbox.options[selbox.options.length] = new Option('Taurus Station Wagon','Taurus Station Wagon');
  selbox.options[selbox.options.length] = new Option('Thunderbird','Thunderbird');
  selbox.options[selbox.options.length] = new Option('Windstar','Windstar');
 }
if (chosen == "gmc") {
  selbox.options[selbox.options.length] = new Option('C-1500','C 1500');
  selbox.options[selbox.options.length] = new Option('C-2500','C 2500'); 
  selbox.options[selbox.options.length] = new Option('C-3500','C 3500');
  selbox.options[selbox.options.length] = new Option('Canyon','Canyon');
  selbox.options[selbox.options.length] = new Option('Envoy','Envoy');
  selbox.options[selbox.options.length] = new Option('G-15','G 15');
  selbox.options[selbox.options.length] = new Option('G-25','G 25');
  selbox.options[selbox.options.length] = new Option('G-35','G 35');
  selbox.options[selbox.options.length] = new Option('Jimmy','Jimmy');
  selbox.options[selbox.options.length] = new Option('K-1500','K 1500');
  selbox.options[selbox.options.length] = new Option('K-2500','K 2500'); 
  selbox.options[selbox.options.length] = new Option('K-3500','K 3500');
  selbox.options[selbox.options.length] = new Option('S-15 Jimmy','S 15 Jimmy');
  selbox.options[selbox.options.length] = new Option('S-15 Sonoma','S 15 Sonoma');
  selbox.options[selbox.options.length] = new Option('Safari','Safari');
  selbox.options[selbox.options.length] = new Option('Savana','Savana');
  selbox.options[selbox.options.length] = new Option('Sierra','Sierra');
  selbox.options[selbox.options.length] = new Option('Suburban','Suburban');
  selbox.options[selbox.options.length] = new Option('Yukon','Yukon');
 }
if (chosen == "honda") {
  selbox.options[selbox.options.length] = new Option('Odyssey','Odyssey');
  selbox.options[selbox.options.length] = new Option('Passport','Passport'); 
  selbox.options[selbox.options.length] = new Option('Pilot','Pilot');
 }
if (chosen == "hummer") {
  selbox.options[selbox.options.length] = new Option('Hummer H2','Hummer H2');
  selbox.options[selbox.options.length] = new Option('Hummer H3','Hummer H3'); 
 }
if (chosen == "hyundai") {
  selbox.options[selbox.options.length] = new Option('Santa-Fe','Santa Fe');
 }
if (chosen == "infiniti") {
  selbox.options[selbox.options.length] = new Option('QX4','QX4');
 }
if (chosen == "isuzu") {
  selbox.options[selbox.options.length] = new Option('Amigo','Amigo');
  selbox.options[selbox.options.length] = new Option('Axion','Axion'); 
  selbox.options[selbox.options.length] = new Option('Hombre','Hombre');
  selbox.options[selbox.options.length] = new Option('Pickup','Pickup');
  selbox.options[selbox.options.length] = new Option('Rodeo','Rodeo');
  selbox.options[selbox.options.length] = new Option('Trooper','Trooper');
  selbox.options[selbox.options.length] = new Option('Vehicross','Vehicross');
 }
if (chosen == "jeepeagle") {
  selbox.options[selbox.options.length] = new Option('Cherokee','Cherokee');
  selbox.options[selbox.options.length] = new Option('CJ Series','CJ Series');
  selbox.options[selbox.options.length] = new Option('Comanche','Comanche'); 
  selbox.options[selbox.options.length] = new Option('Commander','Commander');
  selbox.options[selbox.options.length] = new Option('Custom Wagoneer','Custom Wagoneer');
  selbox.options[selbox.options.length] = new Option('Eagle Summit','Eagle Summit');
  selbox.options[selbox.options.length] = new Option('Grand Cherokee','Grand Cherokee');
  selbox.options[selbox.options.length] = new Option('Grand Wagoneer','Grand Wagoneer');
  selbox.options[selbox.options.length] = new Option('Liberty','Liberty');
  selbox.options[selbox.options.length] = new Option('Pioneer','Pioneer');
  selbox.options[selbox.options.length] = new Option('Scrambler','Scrambler'); 
  selbox.options[selbox.options.length] = new Option('Wagoneer','Wagoneer');
  selbox.options[selbox.options.length] = new Option('Wrangler','Wrangler');
  selbox.options[selbox.options.length] = new Option('XJ-Cherokee','XJ Cherokee');
  selbox.options[selbox.options.length] = new Option('XJ-Wagoneer','XJ Wagoneer');
 }
if (chosen == "kia") {
  selbox.options[selbox.options.length] = new Option('Sedona','Sedona');
  selbox.options[selbox.options.length] = new Option('Sorento','Sorento'); 
  selbox.options[selbox.options.length] = new Option('Sportage','Sportage');
 }
if (chosen == "landrover") {
  selbox.options[selbox.options.length] = new Option('Defender','Defender');
 }
if (chosen == "lexus") {
  selbox.options[selbox.options.length] = new Option('LX 450-470','LX 450 470');
 }
if (chosen == "lincoln") {
  selbox.options[selbox.options.length] = new Option('Continental','Continental');
  selbox.options[selbox.options.length] = new Option('Mark VII','Mark VII'); 
  selbox.options[selbox.options.length] = new Option('Towncar','Towncar');
 }
if (chosen == "mazda") {
  selbox.options[selbox.options.length] = new Option('MPV','MPV');
  selbox.options[selbox.options.length] = new Option('Navajo','Navajo'); 
  selbox.options[selbox.options.length] = new Option('Pickup','Pickup');
  selbox.options[selbox.options.length] = new Option('Tribute','Tribute');
 }
if (chosen == "mercury") {
  selbox.options[selbox.options.length] = new Option('Colony Park','Colony Park');
  selbox.options[selbox.options.length] = new Option('Cougar','Cougar'); 
  selbox.options[selbox.options.length] = new Option('Grand Marquis','Grand Marquis');
  selbox.options[selbox.options.length] = new Option('Monterey','Monterey');
  selbox.options[selbox.options.length] = new Option('Mountaineer','Mountaineer');
  selbox.options[selbox.options.length] = new Option('Sable','Sable');
  selbox.options[selbox.options.length] = new Option('Villager','Villager');
 }
if (chosen == "mitsubishi") {
  selbox.options[selbox.options.length] = new Option('Expo','Expo');
  selbox.options[selbox.options.length] = new Option('Montero','Montero'); 
  selbox.options[selbox.options.length] = new Option('Raider','Raider');
  selbox.options[selbox.options.length] = new Option('Pickup','Pickup');
 }
if (chosen == "nissan") {
  selbox.options[selbox.options.length] = new Option('Frontier','Frontier');
  selbox.options[selbox.options.length] = new Option('Murano','Murano');
  selbox.options[selbox.options.length] = new Option('Comanche','Comanche'); 
  selbox.options[selbox.options.length] = new Option('Commander','Commander');
  selbox.options[selbox.options.length] = new Option('Pathfinder','Pathfinder');
  selbox.options[selbox.options.length] = new Option('Pathfinder Armada','Pathfinder Armada');
  selbox.options[selbox.options.length] = new Option('Pickup','Pickup');
  selbox.options[selbox.options.length] = new Option('Quest','Quest');
  selbox.options[selbox.options.length] = new Option('Titan','Titan');
  selbox.options[selbox.options.length] = new Option('Xterra','Xterra');
 }
if (chosen == "oldsmobile") {
  selbox.options[selbox.options.length] = new Option('Achieva','Achieva');
  selbox.options[selbox.options.length] = new Option('Aurora','Aurora');
  selbox.options[selbox.options.length] = new Option('Bravada','Bravada');
  selbox.options[selbox.options.length] = new Option('Calais','Calais');
  selbox.options[selbox.options.length] = new Option('Custom Crusier Station Wagon','Custom Crusier Station Wagon'); 
  selbox.options[selbox.options.length] = new Option('Cutlass','Cutlass');
  selbox.options[selbox.options.length] = new Option('Cutalss Calais','Cutlass Calais');
  selbox.options[selbox.options.length] = new Option('Cutlass Cierra','Cutlass Cierra');
  selbox.options[selbox.options.length] = new Option('Delta','Delta');
  selbox.options[selbox.options.length] = new Option('F-85','F 85'); 
  selbox.options[selbox.options.length] = new Option('LS Sedan','LS Sedan');
  selbox.options[selbox.options.length] = new Option('Regency','Regency');
  selbox.options[selbox.options.length] = new Option('Silhouette','Silhouette');
 }
if (chosen == "plymouth") {
  selbox.options[selbox.options.length] = new Option('Acclaim','Acclaim');
  selbox.options[selbox.options.length] = new Option('Grand Voyager','Grand Voyager');
  selbox.options[selbox.options.length] = new Option('Reliant','Reliant');
  selbox.options[selbox.options.length] = new Option('Sundance','Sundance');
  selbox.options[selbox.options.length] = new Option('Voyager','Voyager');  
 }
if (chosen == "pontiac") {
  selbox.options[selbox.options.length] = new Option('6000','6000');
  selbox.options[selbox.options.length] = new Option('Bonneville','Bonneville');
  selbox.options[selbox.options.length] = new Option('Firebird','Firebird');
  selbox.options[selbox.options.length] = new Option('Grand Am','Grand Am');
  selbox.options[selbox.options.length] = new Option('Grand LeMans','Grand Lemans');
  selbox.options[selbox.options.length] = new Option('Grand Prix','Grand Prix');
  selbox.options[selbox.options.length] = new Option('GT37','GT37');
  selbox.options[selbox.options.length] = new Option('GTO','GTO'); 
  selbox.options[selbox.options.length] = new Option('J-2000','J 2000');
  selbox.options[selbox.options.length] = new Option('LeMans','LeMans');
  selbox.options[selbox.options.length] = new Option('Montana','Montana');
  selbox.options[selbox.options.length] = new Option('Safari Station Wagon','Safari Station Wagon');
  selbox.options[selbox.options.length] = new Option('Sunbird','Sunbird');
  selbox.options[selbox.options.length] = new Option('Tempest','Tempest');
  selbox.options[selbox.options.length] = new Option('Trans Am','Trans Am');
  selbox.options[selbox.options.length] = new Option('Transport','Transport');
 }
if (chosen == "saturn") {
  selbox.options[selbox.options.length] = new Option('Vue','Vue');
 }
if (chosen == "suzuki") {
  selbox.options[selbox.options.length] = new Option('Sidekick','Sidekick');
  selbox.options[selbox.options.length] = new Option('Vitara','Vitara');
  selbox.options[selbox.options.length] = new Option('XL-7','XL 7');
 }
if (chosen == "toyota") {
  selbox.options[selbox.options.length] = new Option('4-Runner','4 Runner');
  selbox.options[selbox.options.length] = new Option('FJ Cruiser','FJ Cruiser');
  selbox.options[selbox.options.length] = new Option('Land Cruiser','Land Cruiser');
  selbox.options[selbox.options.length] = new Option('Micro Mini Motorhome','Micor Mini Motorhome');
  selbox.options[selbox.options.length] = new Option('Pickup','Pickup');
  selbox.options[selbox.options.length] = new Option('Previa','Previa');
  selbox.options[selbox.options.length] = new Option('RAV4','RAV4'); 
  selbox.options[selbox.options.length] = new Option('Scion','Scion');
  selbox.options[selbox.options.length] = new Option('Sequoia','Sequoia');
  selbox.options[selbox.options.length] = new Option('Sienna','Sienna');
  selbox.options[selbox.options.length] = new Option('T-100','T 100');
  selbox.options[selbox.options.length] = new Option('Tacoma','Tacoma');
  selbox.options[selbox.options.length] = new Option('Tundra','Tundra');
 }
if (chosen == "volkswagen") {
  selbox.options[selbox.options.length] = new Option('EuroVan','EuroVan');
 }
 }