function fillSubcategoryCbo(iCategoryNbr) {
	var oCategoryCbo, oSubcategoryCbo
	oCategoryCbo = document.proposal.elements['Category_' + iCategoryNbr]
	oSubcategoryCbo = document.proposal.elements['Subcategory_' + iCategoryNbr]
	oSubcategoryCbo.options.length = 0
	switch(oCategoryCbo.options[oCategoryCbo.selectedIndex].value) {
		case 'CREW':
			addCboOption(oSubcategoryCbo, 'None Selected', 'Select one ...');
			addCboOption(oSubcategoryCbo, 'Accountants (Production Accountants)','Accountants (Production Accountants)');
			addCboOption(oSubcategoryCbo, 'Animal Trainers','Animal Trainers');
			addCboOption(oSubcategoryCbo, 'Art Department / Prod Design / Set Decorators, Dressers & Construction','Art Department / Prod Design / Set Decorators, Dressers & Construction');
			addCboOption(oSubcategoryCbo, 'Assistant Directors, 1st & 2nd','Assistant Directors, 1st & 2nd');
			addCboOption(oSubcategoryCbo, 'Camera Operators & Assistants','Camera Operators & Assistants');
			addCboOption(oSubcategoryCbo, 'Craft Service','Craft Service');
			addCboOption(oSubcategoryCbo, 'Directors','Directors');
			addCboOption(oSubcategoryCbo, 'Directors of Photography','Directors of Photography');
			addCboOption(oSubcategoryCbo, 'Food Stylists / Home Economists','Food Stylists / Home Economists');
			addCboOption(oSubcategoryCbo, 'Grip/Electric','Grip/Electric');
			addCboOption(oSubcategoryCbo, 'Hair Stylists & Make-up Artists','Hair Stylists & Make-up Artists');
			addCboOption(oSubcategoryCbo, 'Marine / Underwater Specialists ','Marine / Underwater Specialists ');
			addCboOption(oSubcategoryCbo, 'Medics & Nurses','Medics & Nurses');
			addCboOption(oSubcategoryCbo, 'Photo Stylists','Photo Stylists');
			addCboOption(oSubcategoryCbo, 'Producers / Production Managers / UPM','Producers / Production Managers / UPM');
			addCboOption(oSubcategoryCbo, 'Production Assistants','Production Assistants');
			addCboOption(oSubcategoryCbo, 'POCs / Production Coordinators & APOCs / Asst Prod Coordinators','POCs / Production Coordinators & APOCs / Asst Prod Coordinators');
			addCboOption(oSubcategoryCbo, 'Production Designers (See Art Dept)','Production Designers (See Art Dept)');
			addCboOption(oSubcategoryCbo, 'Props','Props');
			addCboOption(oSubcategoryCbo, 'Script Supervisors','Script Supervisors');
			addCboOption(oSubcategoryCbo, 'Set Construction (See Art Dept)','Set Construction (See Art Dept)');
			addCboOption(oSubcategoryCbo, 'Set Decorators / Dressers  (See Art Dept.)','Set Decorators / Dressers  (See Art Dept.)');
			addCboOption(oSubcategoryCbo, 'Sound','Sound');
			addCboOption(oSubcategoryCbo, 'Special Effects','Special Effects');
			addCboOption(oSubcategoryCbo, 'Still Photographers','Still Photographers');
			addCboOption(oSubcategoryCbo, 'Studio Teachers','Studio Teachers');
			addCboOption(oSubcategoryCbo, 'Stunts','Stunts');
			addCboOption(oSubcategoryCbo, 'Transportation','Transportation');
			addCboOption(oSubcategoryCbo, 'Underwater (See Marine)','Underwater (See Marine)');
			addCboOption(oSubcategoryCbo, 'Unit Publicist','Unit Publicist');
			addCboOption(oSubcategoryCbo, 'Video Assist','Video Assist');
			addCboOption(oSubcategoryCbo, 'Visual Effects','Visual Effects');
			addCboOption(oSubcategoryCbo, 'Wardrobe / Costumes','Wardrobe / Costumes');
			break;

		case 'EQUIPMENT RENTALS':
			addCboOption(oSubcategoryCbo, 'None Selected', 'Select one ...');
			addCboOption(oSubcategoryCbo, 'AV / Sound','AV / Sound');
			addCboOption(oSubcategoryCbo, 'Camera','Camera');
			addCboOption(oSubcategoryCbo, 'Communications','Communications');
			addCboOption(oSubcategoryCbo, 'Equipment - HD','Equipment - HD');
			addCboOption(oSubcategoryCbo, 'Equipment - Marine / Underwater','Equipment - Marine / Underwater');
			addCboOption(oSubcategoryCbo, 'Equipment - Misc','Equipment - Misc');
			addCboOption(oSubcategoryCbo, 'Lighting, Grip Equipment, Trucks','Lighting, Grip Equipment, Trucks');
			addCboOption(oSubcategoryCbo, 'Production Vans / Motorhomes (see also Automobiles)','Production Vans / Motorhomes (see also Automobiles)');
			addCboOption(oSubcategoryCbo, 'Production Vehicles  (see also Automobiles)','Production Vehicles  (see also Automobiles)');
			addCboOption(oSubcategoryCbo, 'Water Trucks','Water Trucks');
			break;
			
		case 'LOCATIONS (including Location Services)':
		    addCboOption(oSubcategoryCbo, 'None Selected', 'Select one ...');
			addCboOption(oSubcategoryCbo, 'Airports & Aerial Services','Airports & Aerial Services');
			addCboOption(oSubcategoryCbo, 'Beaches (see Parks)','Beaches (see Parks)');
			addCboOption(oSubcategoryCbo, 'Golf Courses','Golf Courses');
			addCboOption(oSubcategoryCbo, 'Historic Locations & Missions','Historic Locations & Missions');
			addCboOption(oSubcategoryCbo, 'Islands','Islands');
			addCboOption(oSubcategoryCbo, 'Lakes & Rivers','Lakes & Rivers');
			addCboOption(oSubcategoryCbo, 'Loc Services, Scouts, Mgrs','Loc Services, Scouts, Mgrs');
			addCboOption(oSubcategoryCbo, 'Malls','Malls');
			addCboOption(oSubcategoryCbo, 'Military','Military');
			addCboOption(oSubcategoryCbo, 'Oil Rigs / Offshore Platforms','Oil Rigs / Offshore Platforms');
			addCboOption(oSubcategoryCbo, 'Parks (& Beaches), Gardens & Zoos','Parks (& Beaches), Gardens & Zoos');
			addCboOption(oSubcategoryCbo, 'Railroads','Railroads');
			addCboOption(oSubcategoryCbo, 'Ranches / Equestrian Facilities','Ranches / Equestrian Facilities');
			addCboOption(oSubcategoryCbo, 'Theatres / Event Venues / Rodeo Arenas','Theatres / Event Venues / Rodeo Arenas');
			addCboOption(oSubcategoryCbo, 'Wineries / Vineyards','Wineries / Vineyards');
			break;
			
		case 'NEW MEDIA':
		    addCboOption(oSubcategoryCbo, 'None Selected', 'Select one ...');
			addCboOption(oSubcategoryCbo, 'Web Graphic Design','Web Graphic Design');
			addCboOption(oSubcategoryCbo, 'Web Software & Technology','Web Software & Technology');
			addCboOption(oSubcategoryCbo, 'Web / Interactive Media','Web / Interactive Media');
			break;
			
		case 'POST PRODUCTION':
		    addCboOption(oSubcategoryCbo, 'None Selected', 'Select one ...');
			addCboOption(oSubcategoryCbo, 'Animation / Motion Graphics / Visual Effects','Animation / Motion Graphics / Visual Effects');
			addCboOption(oSubcategoryCbo, 'Audio Services','Audio Services');
			addCboOption(oSubcategoryCbo, 'Editors & Editing Facilities','Editors & Editing Facilities');
			addCboOption(oSubcategoryCbo, 'Music / Sound Design / Composing','Music / Sound Design / Composing');
			addCboOption(oSubcategoryCbo, 'Music Research','Music Research');
			addCboOption(oSubcategoryCbo, 'Recording Studios','Recording Studios');
			addCboOption(oSubcategoryCbo, 'Stock Photos / Stock Footage','Stock Photos / Stock Footage');
			addCboOption(oSubcategoryCbo, 'Transfers & Duplication','Transfers & Duplication');
			addCboOption(oSubcategoryCbo, 'Visual Effects (see Animation)','Visual Effects (see Animation)');
			addCboOption(oSubcategoryCbo, 'Web (see New Media category)','Web (see New Media category)');
			break;
			
		case 'PRODUCTION COMPANIES':
		    addCboOption(oSubcategoryCbo, 'None Selected', 'Select one ...');
			addCboOption(oSubcategoryCbo, 'Animation','Animation');
			addCboOption(oSubcategoryCbo, 'Film','Film');
			addCboOption(oSubcategoryCbo, 'Marine / Underwater','Marine / Underwater');
			addCboOption(oSubcategoryCbo, 'Production Services','Production Services');
			addCboOption(oSubcategoryCbo, 'Video','Video');
			addCboOption(oSubcategoryCbo, 'Web (see New Media)','Web (see New Media)');
			break;
			
				
		case 'Resources / SUPPORT SERVICES':
		    addCboOption(oSubcategoryCbo, 'None Selected', 'Select one ...');
			addCboOption(oSubcategoryCbo, 'Accommodations','Accommodations');
			addCboOption(oSubcategoryCbo, 'Aerial Photography','Aerial Photography');
			addCboOption(oSubcategoryCbo, 'Aerial Services (see Location category: Airports)','Aerial Services (see Location category: Airports)');
			addCboOption(oSubcategoryCbo, 'Agriculture','Agriculture');
			addCboOption(oSubcategoryCbo, 'Air Freight & Couriers','Air Freight & Couriers');
			addCboOption(oSubcategoryCbo, 'Animals -Trainers / Handlers','Animals -Trainers / Handlers');
			addCboOption(oSubcategoryCbo, 'Assns / Guilds / Trades / Unions','Assns / Guilds / Trades / Unions');
			addCboOption(oSubcategoryCbo, 'Automobiles / Cycles / Tractors /Carriages - Custom, Antique','Automobiles / Cycles / Tractors /Carriages - Custom, Antique');
			addCboOption(oSubcategoryCbo, 'Backdrops (see Props)','Backdrops (see Props)');
			addCboOption(oSubcategoryCbo, 'Barricades (see Signage)','Barricades (see Signage)');
			addCboOption(oSubcategoryCbo, 'Boat Charters','Boat Charters');
			addCboOption(oSubcategoryCbo, 'Casting Agencies','Casting Agencies');
			addCboOption(oSubcategoryCbo, 'Caterers','Caterers');
			addCboOption(oSubcategoryCbo, 'Cleaning Svcs / Layout Board','Cleaning Svcs / Layout Board');
			addCboOption(oSubcategoryCbo, 'Copyright','Copyright');
			addCboOption(oSubcategoryCbo, 'Dry Cleaner / Laundry','Dry Cleaner / Laundry');
			addCboOption(oSubcategoryCbo, 'Film Schools','Film Schools');
			addCboOption(oSubcategoryCbo, 'Historical  (See Research)','Historical  (See Research)');
			addCboOption(oSubcategoryCbo, 'Hospitals','Hospitals');
			addCboOption(oSubcategoryCbo, 'Insurance','Insurance');
			addCboOption(oSubcategoryCbo, 'Labor, Workman\'s Comp & Minors','Labor, Workman\'s Comp & Minors');
			addCboOption(oSubcategoryCbo, 'Limousines / Transportation','Limousines / Transportation');
			addCboOption(oSubcategoryCbo, 'Lumber Yards','Lumber Yards');
			addCboOption(oSubcategoryCbo, 'Massage Therapy','Massage Therapy');
			addCboOption(oSubcategoryCbo, 'Models','Models');
			addCboOption(oSubcategoryCbo, 'Music & Entertainment','Music & Entertainment');
			addCboOption(oSubcategoryCbo, 'Organizations (see Assns)','Organizations (see Assns)');
			addCboOption(oSubcategoryCbo, 'Payroll / Prod Accounting (see Crew category: Accountants)','Payroll / Prod Accounting (see Crew category: Accountants)');
			addCboOption(oSubcategoryCbo, 'Photo Processing','Photo Processing');
			addCboOption(oSubcategoryCbo, 'Plant Rental / Nurseries','Plant Rental / Nurseries');
			addCboOption(oSubcategoryCbo, 'Printing, Copies, Mass Mailing','Printing, Copies, Mass Mailing');
			addCboOption(oSubcategoryCbo, 'Promotional Products','Promotional Products');
			addCboOption(oSubcategoryCbo, 'Props & Wardrobe','Props & Wardrobe');
			addCboOption(oSubcategoryCbo, 'Publicists / PR','Publicists / PR');
			addCboOption(oSubcategoryCbo, 'Research & Historical','Research & Historical');
			addCboOption(oSubcategoryCbo, 'Restaurants','Restaurants');
			addCboOption(oSubcategoryCbo, 'Security Services','Security Services');
			addCboOption(oSubcategoryCbo, 'Service Stations (24 hr)','Service Stations (24 hr)');
			addCboOption(oSubcategoryCbo, 'Signage','Signage');
			addCboOption(oSubcategoryCbo, 'Special Effects Products','Special Effects Products');
			addCboOption(oSubcategoryCbo, 'Sports','Sports');
			addCboOption(oSubcategoryCbo, 'Technical Advisor','Technical Advisor');
			addCboOption(oSubcategoryCbo, 'Temp Employment Agencies','Temp Employment Agencies');
			addCboOption(oSubcategoryCbo, 'Tent Rentals / Tables / Chairs','Tent Rentals / Tables / Chairs');
			addCboOption(oSubcategoryCbo, 'Trainer - Personal','Trainer - Personal');
			addCboOption(oSubcategoryCbo, 'Transportation: Air Service','Transportation: Air Service');
			addCboOption(oSubcategoryCbo, 'Transportation: Bus / Tours','Transportation: Bus / Tours');
			addCboOption(oSubcategoryCbo, 'Transportation: Rental Cars','Transportation: Rental Cars');
			addCboOption(oSubcategoryCbo, 'Transportation: Taxis / Airport Shuttles','Transportation: Taxis / Airport Shuttles');
			addCboOption(oSubcategoryCbo, 'Transportation: Train','Transportation: Train');
			addCboOption(oSubcategoryCbo, 'Trucks (See Equipment: Equipment Rentals, and Production Vans / Motorhomes','Trucks (See Equipment: Equipment Rentals, and Production Vans / Motorhomes');
			addCboOption(oSubcategoryCbo, 'Wardrobe (See Props)','Wardrobe (See Props)');
			addCboOption(oSubcategoryCbo, 'Waste Disposal / Porta-Potties','Waste Disposal / Porta-Potties');
			addCboOption(oSubcategoryCbo, 'Weather / Tides / Surf','Weather / Tides / Surf');
			break;
			
			case 'STUDIOS & STAGES':
			addCboOption(oSubcategoryCbo, 'Studios & Sound Stages','Studios & Sound Stages');
			break;
			
		default:
			addCboOption(oSubcategoryCbo, '', 'Select a Category first');
			break;
	}

	oSubcategoryCbo.options[0].selected = true;

	//alert(iCategoryNbr);
}

function addCboOption(oCbo, tValue, tName) {
	var oNewOption = new Option(tName, tValue);
	oCbo.options[oCbo.options.length] = oNewOption
}


function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  } if (errors) alert('The following error(s) occurred:\n'+errors);
  document.MM_returnValue = (errors == '');
}