function setOptions(chosen) {
var selbox = document.myform.opttwo;
 
selbox.options.length = 0;
if (chosen == "Select Business Type") {
  selbox.options[selbox.options.length] = new Option('Select from above first',' ');
 
}
if (chosen == "building___construction") {
  selbox.options[selbox.options.length] = new Option('Builders','builders');
  selbox.options[selbox.options.length] = new Option('Builders Merchants','builders_merchants');
  selbox.options[selbox.options.length] = new Option('Carpenters','carpenters');
  selbox.options[selbox.options.length] = new Option('Drainlaying','drainlaying');
  selbox.options[selbox.options.length] = new Option('Driveways & Paths','driveways___paths');
  selbox.options[selbox.options.length] = new Option('Electricians','electricians');
  selbox.options[selbox.options.length] = new Option('Fencing','fencing');
  selbox.options[selbox.options.length] = new Option('Groundworks','groundworks');
  selbox.options[selbox.options.length] = new Option('Heating Engineers','heating_engineers');
  selbox.options[selbox.options.length] = new Option('Kitchen Fitters','kitchen_fitters');
  selbox.options[selbox.options.length] = new Option('Painters & Decorators','painters___decorators');
  selbox.options[selbox.options.length] = new Option('Plasterers','plasterers');
  selbox.options[selbox.options.length] = new Option('Plumbers','plumbers');
  selbox.options[selbox.options.length] = new Option('Plumbers Merchants','plumbers_merchants');
  selbox.options[selbox.options.length] = new Option('Roofing','roofing');
  selbox.options[selbox.options.length] = new Option('Tilers','tilers');
  selbox.options[selbox.options.length] = new Option('Timber Merchants','timber_merchants');
}
if (chosen == "business_support") {
  selbox.options[selbox.options.length] = new Option('Advertising Agencies','advertising_agencies');
  selbox.options[selbox.options.length] = new Option('Cleaning Services','cleaning_services');
  selbox.options[selbox.options.length] = new Option('Internet Services','internet_services');
  selbox.options[selbox.options.length] = new Option('Legal Services','legal_services');
  selbox.options[selbox.options.length] = new Option('Office Furniture','office_furniture');
  selbox.options[selbox.options.length] = new Option('Office Supplies','office_supplies');
  selbox.options[selbox.options.length] = new Option('Printing','printing');
  selbox.options[selbox.options.length] = new Option('Recruitment Agencies','recruitment_agencies');
}
if (chosen == "caravan___leisure") {
  selbox.options[selbox.options.length] = new Option('Camping Equipment','camping_equipment');
  selbox.options[selbox.options.length] = new Option('Caravan Accessories','caravan_accessories');
  selbox.options[selbox.options.length] = new Option('Caravan Dealers','caravan_dealers');
  selbox.options[selbox.options.length] = new Option('Motorhome Dealers','motorhome_dealers');
}
if (chosen == "car___vehicle") {
  selbox.options[selbox.options.length] = new Option('Audio & Radio','audio___radio');
  selbox.options[selbox.options.length] = new Option('Bodywork Repairs','bodywork_repairs');
  selbox.options[selbox.options.length] = new Option('Car Dealers','car_dealers');
  selbox.options[selbox.options.length] = new Option('Car & Van Hire','car___van_hire');
  selbox.options[selbox.options.length] = new Option('Driving Instruction','driving_instruction');
  selbox.options[selbox.options.length] = new Option('Insurance','insurance');
  selbox.options[selbox.options.length] = new Option('Mechanical Repairs','mechanical_repairs');
  selbox.options[selbox.options.length] = new Option('Parts & Accessories','parts___accessories');
  selbox.options[selbox.options.length] = new Option('Service & MOT','service___mot');
  selbox.options[selbox.options.length] = new Option('Tyres & Exhausts','tyres___exhausts');
  selbox.options[selbox.options.length] = new Option('Valeting & Cleaning','valeting___cleaning');
}
if (chosen == "computers") {
  selbox.options[selbox.options.length] = new Option('Computer Repairs','computer_repairs');
  selbox.options[selbox.options.length] = new Option('Computer Supplies','computer_supplies');
  selbox.options[selbox.options.length] = new Option('Computer Software','computer_software');
  selbox.options[selbox.options.length] = new Option('Website Design','website_design');
}
if (chosen == "food___wine") {
  selbox.options[selbox.options.length] = new Option('Fast Food','fast_food');
  selbox.options[selbox.options.length] = new Option('Restaurants','restaurants');
  selbox.options[selbox.options.length] = new Option('Wine Merchants','wine_merchants');
}
if (chosen == "garden_services") {
  selbox.options[selbox.options.length] = new Option('Gardeners','gardeners');
  selbox.options[selbox.options.length] = new Option('Garden Centres','garden_centres');
  selbox.options[selbox.options.length] = new Option('Plants & Nurseries','plants___nurseries');
  selbox.options[selbox.options.length] = new Option('Pond & Water Features','pond___water_features');
}
if (chosen == "house___home") {
  selbox.options[selbox.options.length] = new Option('Alarm Systems','alarm_systems');
  selbox.options[selbox.options.length] = new Option('Bathrooms','bathrooms');
  selbox.options[selbox.options.length] = new Option('Bed Shops','bed_shops');
  selbox.options[selbox.options.length] = new Option('Carpet Shops','carpet_shops');
  selbox.options[selbox.options.length] = new Option('Curtains & Fabrics','curtains___fabrics');
  selbox.options[selbox.options.length] = new Option('Domestic Appliances','domestic_appliances');
  selbox.options[selbox.options.length] = new Option('Furniture Shops','furniture_shops');
  selbox.options[selbox.options.length] = new Option('Insurance','insurance');
  selbox.options[selbox.options.length] = new Option('Kitchens','kitchens');
  selbox.options[selbox.options.length] = new Option('Windows & Doors','windows___doors');
}
if (chosen == "motorcycles") {
  selbox.options[selbox.options.length] = new Option('Motorcycle Acc\'s & Parts','motorcycle_accs___parts');
  selbox.options[selbox.options.length] = new Option('Motorcycle Dealers','motorcycle_dealers');
  selbox.options[selbox.options.length] = new Option('Motorcycle Repairs','motorcycle_repairs');
  selbox.options[selbox.options.length] = new Option('Motorcycle Training','motorcycle_training');
}
if (chosen == "property") {
  selbox.options[selbox.options.length] = new Option('Estate Agents','estate_agents');
  selbox.options[selbox.options.length] = new Option('Letting Agents','letting_agents');
  selbox.options[selbox.options.length] = new Option('Other','other');
}
if (chosen == "removals") {
  selbox.options[selbox.options.length] = new Option('Man & Van','man___van');
  selbox.options[selbox.options.length] = new Option('Removals','removals');
  selbox.options[selbox.options.length] = new Option('Packing Materials','packing_materials');
  selbox.options[selbox.options.length] = new Option('Storage','storage');
}
if (chosen == "shopping") {
  selbox.options[selbox.options.length] = new Option('Antiques & Collectables','antiques___collectables');
  selbox.options[selbox.options.length] = new Option('Books','books');
  selbox.options[selbox.options.length] = new Option('Clothing','clothing');
  selbox.options[selbox.options.length] = new Option('Cycle Shops','cycle_shops');
  selbox.options[selbox.options.length] = new Option('Florists','florists');
  selbox.options[selbox.options.length] = new Option('Jewellers','jewellers');
  selbox.options[selbox.options.length] = new Option('Mobile Phones','mobile_phones');
  selbox.options[selbox.options.length] = new Option('Pet Shops','pet_shops');
  selbox.options[selbox.options.length] = new Option('Shoe Shops','shoe_shops');
}
if (chosen == "travel") {
  selbox.options[selbox.options.length] = new Option('Cabs & Taxis','cabs___taxis');
  selbox.options[selbox.options.length] = new Option('Coach Operators','coach_operators');
  selbox.options[selbox.options.length] = new Option('Couriers','couiers');
  selbox.options[selbox.options.length] = new Option('Travel Agents','travel_agents');
}
}