var map;
var gdir;
var geocoder = null;
var addressMarker;


function createAddress(pAdd,  pCity, dAdd, dCity) {
	var fromAddress = new String();
	var toAddress = new String();
	var localeName = new String();

	fromAddress = pAdd.value+", "+pCity.value+", AZ";
	toAddress = dAdd.value+", "+dCity.value+", AZ";
	document.getElementById("directions").innerHTML="";//clear current directions if any
document.getElementById("disclaimer").innerHTML="<p>Estimates are for general information only as a courtesy of TucsonCab.com and do not constitute a contract for service. Your fare is between you and your driver.</p><p>Drivers! Want calls like this dispatched right to your cell phone? Visit TucsonCab.com and sign up as an affiliate driver.";//clear disclaimer for display
	setDirections(fromAddress, toAddress);
}

function setDirections(fromAddress, toAddress, locale) {
	if (GBrowserIsCompatible()) {
		map = new GMap2(document.getElementById("map_canvas"));
		gdir = new GDirections(map, document.getElementById("directions"));
		GEvent.addListener(gdir, "load", onGDirectionsLoad);
		GEvent.addListener(gdir, "error", handleErrors);
	}

	gdir.load("from: " + fromAddress + " to: " + toAddress);
}

function handleErrors(){
	if (gdir.getStatus().code == G_GEO_UNKNOWN_ADDRESS)
	alert("We are unable to find an address. Please be sure to include the correct abbreviation for street (st), road (rd), avenue (ave), etc." + gdir.getStatus().code);
	else if (gdir.getStatus().code == G_GEO_SERVER_ERROR)
	alert("An unknown error occured. Please refresh the page and try again.\n Error code: " + gdir.getStatus().code);
	else if (gdir.getStatus().code == G_GEO_MISSING_QUERY)
	alert("It seems you left a part of the pickup or destination address fields blank. Please try again.\n Error code: " + gdir.getStatus().code);

	//   else if (gdir.getStatus().code == G_UNAVAILABLE_ADDRESS) 
	//     alert("The geocode for the given address or the route for the given directions query cannot be returned due to legal or contractual reasons.\n Error code: " + gdir.getStatus().code);

	else if (gdir.getStatus().code == G_GEO_BAD_KEY)
	alert("The given key is either invalid or does not match the domain for which it was given. \n Error code: " + gdir.getStatus().code);

	else if (gdir.getStatus().code == G_GEO_BAD_REQUEST)
	alert("A directions request could not be successfully parsed.\n Error code: " + gdir.getStatus().code);

	else alert("An unknown error occurred.");

}

function onGDirectionsLoad(){
	// Use this function to access information about the latest load()
	// results.
var totalFare;
var tripDistance;
var resultHTML;
var tripMiles;

tripDistance = gdir.getDistance();
tripMiles = tripDistance.html;

tripMiles = tripMiles.substring(0,tripMiles.length - 8);
resultHTML = tripMiles;
tripMiles = parseFloat(tripMiles);

resultHTML = resultHTML + " miles total distance<br/>";
totalFare = Math.round((2.50+(2*tripMiles)+(2*tripMiles/5)));
resultHTML = resultHTML + "$"+totalFare+"  total fare including tip.<br />";
document.getElementById("estimate").innerHTML = resultHTML;
	// e.g.
	// document.getElementById("getStatus").innerHTML = gdir.getStatus().code;
	// and yada yada yada...
}

function pPop(){
document.dirForm.pAdd.value=document.dirForm.pPopular.options[document.dirForm.pPopular.selectedIndex].value;
}

function dPop(){
document.dirForm.dAdd.value=document.dirForm.dPopular.options[document.dirForm.dPopular.selectedIndex].value;
}