function fillstart(){ 
 // this function is used to fill the state list on load
addOption(document.drop_list.state_from, "1", "ACT", "");
addOption(document.drop_list.state_from, "2", "NSW", "");
addOption(document.drop_list.state_from, "3", "Northern Territory", "");
addOption(document.drop_list.state_from, "4", "Queensland", "");
addOption(document.drop_list.state_from, "5", "South Australia", "");
addOption(document.drop_list.state_from, "6", "Victoria", "");
addOption(document.drop_list.state_from, "7", "Western Australia", "");
addOption(document.drop_list.state_to, "1", "ACT", "");
addOption(document.drop_list.state_to, "2", "NSW", "");
addOption(document.drop_list.state_to, "3", "Northern Territory", "");
addOption(document.drop_list.state_to, "4", "Queensland", "");
addOption(document.drop_list.state_to, "5", "South Australia", "");
addOption(document.drop_list.state_to, "6", "Victoria", "");
addOption(document.drop_list.state_to, "7", "Western Australia", "");
}
function SelectSuburb1(){
// ON selection of state this function will work
removeAllOptions(document.drop_list.suburb_from);addOption(document.drop_list.suburb_from, "", "Starting City/Suburb", "");
if(document.drop_list.state_from.value == '1'){
addOption(document.drop_list.suburb_from,"8", "Canberra");}
if(document.drop_list.state_from.value == '2'){
addOption(document.drop_list.suburb_from,"9", "Albury");
addOption(document.drop_list.suburb_from,"10", "Armidale");
addOption(document.drop_list.suburb_from,"11", "Bathurst");
addOption(document.drop_list.suburb_from,"12", "Broken Hill");
addOption(document.drop_list.suburb_from,"13", "Coffs Harbour");
addOption(document.drop_list.suburb_from,"14", "Cooma");
addOption(document.drop_list.suburb_from,"15", "Dubbo");
addOption(document.drop_list.suburb_from,"16", "Gosford");
addOption(document.drop_list.suburb_from,"17", "Goulburn");
addOption(document.drop_list.suburb_from,"18", "Grafton");
addOption(document.drop_list.suburb_from,"19", "Griffith");
addOption(document.drop_list.suburb_from,"20", "Hay");
addOption(document.drop_list.suburb_from,"21", "Lismore");
addOption(document.drop_list.suburb_from,"22", "Narromine");
addOption(document.drop_list.suburb_from,"23", "Newcastle");
addOption(document.drop_list.suburb_from,"24", "Orange");
addOption(document.drop_list.suburb_from,"25", "Parkes");
addOption(document.drop_list.suburb_from,"26", "Sydney");
addOption(document.drop_list.suburb_from,"27", "Tamworth");
addOption(document.drop_list.suburb_from,"28", "Wagga Wagga");}
if(document.drop_list.state_from.value == '3'){
addOption(document.drop_list.suburb_from,"29", "Alice Springs");
addOption(document.drop_list.suburb_from,"30", "Catherine");
addOption(document.drop_list.suburb_from,"31", "Darwin", "");}
if(document.drop_list.state_from.value == '4'){
addOption(document.drop_list.suburb_from,"32", "Ayr");
addOption(document.drop_list.suburb_from,"33", "Bowen");
addOption(document.drop_list.suburb_from,"34", "Brisbane");
addOption(document.drop_list.suburb_from,"35", "Bundaberg");
addOption(document.drop_list.suburb_from,"36", "Cairns");
addOption(document.drop_list.suburb_from,"37", "Childers");
addOption(document.drop_list.suburb_from,"38", "Chinchilla");
addOption(document.drop_list.suburb_from,"39", "Emerald");
addOption(document.drop_list.suburb_from,"40", "Goondiwindi");
addOption(document.drop_list.suburb_from,"41", "Gympie");
addOption(document.drop_list.suburb_from,"42", "Innisfail");
addOption(document.drop_list.suburb_from,"43", "Mackay");
addOption(document.drop_list.suburb_from,"44", "Marreba");
addOption(document.drop_list.suburb_from,"45", "Nambour");
addOption(document.drop_list.suburb_from,"46", "Rockhampton");
addOption(document.drop_list.suburb_from,"47", "St George");
addOption(document.drop_list.suburb_from,"48", "Stanthorpe");
addOption(document.drop_list.suburb_from,"49", "Toowoomba");
addOption(document.drop_list.suburb_from,"50", "Townsville");
addOption(document.drop_list.suburb_from,"51", "Tully");}
if(document.drop_list.state_from.value == '5'){
addOption(document.drop_list.suburb_from,"52", "Adelaide");
addOption(document.drop_list.suburb_from,"53", "Berri");
addOption(document.drop_list.suburb_from,"54", "Ceduna");
addOption(document.drop_list.suburb_from,"55", "Mt Gambia");
addOption(document.drop_list.suburb_from,"56", "Murray Bridge");
addOption(document.drop_list.suburb_from,"57", "Port Augusta");
addOption(document.drop_list.suburb_from,"58", "Port Lincoln");
addOption(document.drop_list.suburb_from,"59", "Renmark");
addOption(document.drop_list.suburb_from,"60", "Waikerie");}
if(document.drop_list.state_from.value == '6'){
addOption(document.drop_list.suburb_from,"61", "Bairnsdale");
addOption(document.drop_list.suburb_from,"62", "Ballarat");
addOption(document.drop_list.suburb_from,"63", "Bendigo");
addOption(document.drop_list.suburb_from,"64", "Dandenong");
addOption(document.drop_list.suburb_from,"65", "Echuca");
addOption(document.drop_list.suburb_from,"66", "Geelong");
addOption(document.drop_list.suburb_from,"67", "Horsham");
addOption(document.drop_list.suburb_from,"68", "Melbourne");
addOption(document.drop_list.suburb_from,"69", "Mildura");
addOption(document.drop_list.suburb_from,"70", "Shepparton");
addOption(document.drop_list.suburb_from,"71", "Swan Hill");
addOption(document.drop_list.suburb_from,"72", "Wadonga");}
if(document.drop_list.state_from.value == '7'){
addOption(document.drop_list.suburb_from,"73", "Albany");
addOption(document.drop_list.suburb_from,"74", "Broome");
addOption(document.drop_list.suburb_from,"75", "Carnarvon");
addOption(document.drop_list.suburb_from,"76", "Donnybrook");
addOption(document.drop_list.suburb_from,"77", "Geralton");
addOption(document.drop_list.suburb_from,"78", "Gin Gin");
addOption(document.drop_list.suburb_from,"79", "Kinunurra");
addOption(document.drop_list.suburb_from,"80", "Manjimup");
addOption(document.drop_list.suburb_from,"81", "Perth");}}////////////////// 

function SelectSuburb2(){
// ON selection of state this function will work
removeAllOptions(document.drop_list.suburb_to);addOption(document.drop_list.suburb_to, "", "Starting City/Suburb", "");
if(document.drop_list.state_to.value == '1'){
addOption(document.drop_list.suburb_to,"8", "Canberra");}
if(document.drop_list.state_to.value == '2'){
addOption(document.drop_list.suburb_to,"9", "Albury");
addOption(document.drop_list.suburb_to,"10", "Armidale");
addOption(document.drop_list.suburb_to,"11", "Bathurst");
addOption(document.drop_list.suburb_to,"12", "Broken Hill");
addOption(document.drop_list.suburb_to,"13", "Coffs Harbour");
addOption(document.drop_list.suburb_to,"14", "Cooma");
addOption(document.drop_list.suburb_to,"15", "Dubbo");
addOption(document.drop_list.suburb_to,"16", "Gosford");
addOption(document.drop_list.suburb_to,"17", "Goulburn");
addOption(document.drop_list.suburb_to,"18", "Grafton");
addOption(document.drop_list.suburb_to,"19", "Griffith");
addOption(document.drop_list.suburb_to,"20", "Hay");
addOption(document.drop_list.suburb_to,"21", "Lismore");
addOption(document.drop_list.suburb_to,"22", "Narromine");
addOption(document.drop_list.suburb_to,"23", "Newcastle");
addOption(document.drop_list.suburb_to,"24", "Orange");
addOption(document.drop_list.suburb_to,"25", "Parkes");
addOption(document.drop_list.suburb_to,"26", "Sydney");
addOption(document.drop_list.suburb_to,"27", "Tamworth");
addOption(document.drop_list.suburb_to,"28", "Wagga Wagga");}
if(document.drop_list.state_to.value == '3'){
addOption(document.drop_list.suburb_to,"29", "Alice Springs");
addOption(document.drop_list.suburb_to,"30", "Catherine");
addOption(document.drop_list.suburb_to,"31", "Darwin", "");}
if(document.drop_list.state_to.value == '4'){
addOption(document.drop_list.suburb_to,"32", "Ayr");
addOption(document.drop_list.suburb_to,"33", "Bowen");
addOption(document.drop_list.suburb_to,"34", "Brisbane");
addOption(document.drop_list.suburb_to,"35", "Bundaberg");
addOption(document.drop_list.suburb_to,"36", "Cairns");
addOption(document.drop_list.suburb_to,"37", "Childers");
addOption(document.drop_list.suburb_to,"38", "Chinchilla");
addOption(document.drop_list.suburb_to,"39", "Emerald");
addOption(document.drop_list.suburb_to,"40", "Goondiwindi");
addOption(document.drop_list.suburb_to,"41", "Gympie");
addOption(document.drop_list.suburb_to,"42", "Innisfail");
addOption(document.drop_list.suburb_to,"43", "Mackay");
addOption(document.drop_list.suburb_to,"44", "Marreba");
addOption(document.drop_list.suburb_to,"45", "Nambour");
addOption(document.drop_list.suburb_to,"46", "Rockhampton");
addOption(document.drop_list.suburb_to,"47", "St George");
addOption(document.drop_list.suburb_to,"48", "Stanthorpe");
addOption(document.drop_list.suburb_to,"49", "Toowoomba");
addOption(document.drop_list.suburb_to,"50", "Townsville");
addOption(document.drop_list.suburb_to,"51", "Tully");}
if(document.drop_list.state_to.value == '5'){
addOption(document.drop_list.suburb_to,"52", "Adelaide");
addOption(document.drop_list.suburb_to,"53", "Berri");
addOption(document.drop_list.suburb_to,"54", "Ceduna");
addOption(document.drop_list.suburb_to,"55", "Mt Gambia");
addOption(document.drop_list.suburb_to,"56", "Murray Bridge");
addOption(document.drop_list.suburb_to,"57", "Port Augusta");
addOption(document.drop_list.suburb_to,"58", "Port Lincoln");
addOption(document.drop_list.suburb_to,"59", "Renmark");
addOption(document.drop_list.suburb_to,"60", "Waikerie");}
if(document.drop_list.state_to.value == '6'){
addOption(document.drop_list.suburb_to,"61", "Bairnsdale");
addOption(document.drop_list.suburb_to,"62", "Ballarat");
addOption(document.drop_list.suburb_to,"63", "Bendigo");
addOption(document.drop_list.suburb_to,"64", "Dandenong");
addOption(document.drop_list.suburb_to,"65", "Echuca");
addOption(document.drop_list.suburb_to,"66", "Geelong");
addOption(document.drop_list.suburb_to,"67", "Horsham");
addOption(document.drop_list.suburb_to,"68", "Melbourne");
addOption(document.drop_list.suburb_to,"69", "Mildura");
addOption(document.drop_list.suburb_to,"70", "Shepparton");
addOption(document.drop_list.suburb_to,"71", "Swan Hill");
addOption(document.drop_list.suburb_to,"72", "Wadonga");}
if(document.drop_list.state_to.value == '7'){
addOption(document.drop_list.suburb_to,"73", "Albany");
addOption(document.drop_list.suburb_to,"74", "Broome");
addOption(document.drop_list.suburb_to,"75", "Carnarvon");
addOption(document.drop_list.suburb_to,"76", "Donnybrook");
addOption(document.drop_list.suburb_to,"77", "Geralton");
addOption(document.drop_list.suburb_to,"78", "Gin Gin");
addOption(document.drop_list.suburb_to,"79", "Kinunurra");
addOption(document.drop_list.suburb_to,"80", "Manjimup");
addOption(document.drop_list.suburb_to,"81", "Perth");}}////////////////// 

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);
}