// this is set to yes after all the variables have been loaded
city_county_loaded = "no";
city_page_load_first_run = "Y";
county_page_load_first_run = "Y";
useall = true;
allfactor = 1;

// when all the variables have been loaded via the external js file the city_county_loaded variable will be set to yes.
// then we can move on
function checkDataLoad(){
	if (city_county_loaded == "no"){
		setTimeout ("checkDataLoad();", 250);
	}else{
		stateToggle();
		updateCounties();
		updateCities();
	}
}

// Checks to see if state_list has more than one state - if not, disable the state dropdown
function stateToggle() {
	if(document.searchForm.state.length == 1) {
		document.searchForm.state.disabled = true;
		document.searchForm.state.style.display = "none";
	}
}

// checks the current state (if one is defined) and populates the list of counties in the select box
function updateCounties(){
	f = document.searchForm;
	// blank the select box
	RemoveAll(f.county);
	if (useall){
		AddToSelect(f.county,"- County -","");
	}
	// loop over the array of states, adding them to the dropdown
	if(counties.length > 0) {
		for (x=0; x<counties.length; x++){
			// a little test to make sure only the right counties show up if a state is chosen
			use_this_county = 1;

chosen_state = f.state.options[f.state.selectedIndex].value;
if(states[x] != chosen_state){
	use_this_county = 0;
}

			// if the state matches, or if there is no state, add it to the select
			if(use_this_county == 1){
if(counties[x] == "Hillsborough" || counties[x] == "Pasco" || counties[x] == "Pinellas"){
	AddToSelect(f.county,counties[x],counties[x]);
}

//Set the Default County to selected if one is present
 if (f.DefaultCounty.value.toLowerCase() == counties[x].toLowerCase())
  {
	SelectOption(f.county, counties[x], true);
  }
			}
		}
		// select the first one
		if(f.DefaultCounty.value == "")
		 {
		  f.county.selectedIndex=0;
		 }
	} else {
			// There are no counties, so disable the selection box
			f.county.disabled = true;
			f.county.style.display = "none";
	}
	if (county_page_load_first_run == "Y"){
		county_page_load_first_run = "N";

		if ("" != ''){
			SelectOption(f.county, "", "");
		}else if ("" != ''){
			SelectOption(f.county, "", "");
		}

	}else{
		// populate the city list
		//RemoveAll(f.chosencities);
		updateCities();
	}
}
// this function accepts a county name and returns the index of that county
// from within the js array that contains the city data
function getCountyIndex(countyname){
	chosen_state = f.state.options[f.state.selectedIndex].value;
	for (x=0; x<counties.length; x++){
		if(counties[x] == countyname && states[x] == chosen_state){
			return(x);
		}
	}
}
// update the city dropdown according to chosen county or 'all' for a given state
function updateCities(){
	// blank the dropdown
	RemoveAll(f.citylist);
	f.city.value = "";
	AddToSelect(f.citylist, "- City -", "");
	// get the county array index
	countySelectIndex = f.county.selectedIndex - allfactor;
	// less than zero if they chose 'all'
	if (countySelectIndex < 0){
		// now we choose which index points to the chosen state
		chosen_state = f.state.options[f.state.selectedIndex].value;
		chosen_state_index = listfind(state_list, chosen_state, ",");
		// loop over the state/city array and build the list
		if(chosen_state_index > 0){
			for (x=0; x<all_array[chosen_state_index].length; x++){
AddToSelect(f.citylist, all_array[chosen_state_index][x], all_array[chosen_state_index][x]);

			}
		}else{
			// this will only happen if the admin puts a state in the list for a given market and there happen
			// to be no cities in the db that match.  this will be VERY rare, if ever.
			alert("No Cities in this state")
		}
	}else{
		// pull back the index for the chosen county
		countyIndex = getCountyIndex(f.county.options[f.county.selectedIndex].value)

		// loop over the county/city array and add to city select
		for (x=0; x<cities[countyIndex].length; x++){
			AddToSelect(f.citylist, cities[countyIndex][x], cities[countyIndex][x]);
		}
	}
}

function listfind(thelist, thevalue, delim){
	if (! delim){
		delim = ",";
	}
	l = listlen(thelist, delim);
	listpos = -1;

	for (var x = 1; x < l; x++){
		listelement = listgetat(thelist,x,delim);
		if (listelement == thevalue){
			listpos = x;
			break;
		}
	}
	return listpos;
}
window.onload=checkDataLoad;