Geolocation returning County

app.js

Ti.Geolocation.purpose = "Locate your current county";
Ti.Geolocation.getCurrentPosition(function(e){
    
    if(Ti.Geolocation.locationServicesAuthorization != 2){
       
        var lat = e.coords.latitude;
        var lng = e.coords.longitude;
            
        getCounty({county:"County", url:"http://labs.silverbiology.com/countylookup/lookup.php?cmd=findCounty&DecimalLatitude="+lat+"&DecimalLongitude="+lng});
        
     } else {
         var alertDialog = Ti.UI.createAlertDialog({
             title:"Please enter your city.",
             style: Titanium.UI.iPhone.AlertDialogStyle.PLAIN_TEXT_INPUT
         });
         
         alertDialog.show();
         
         alertDialog.addEventListener("click", function(e){

             getCounty({url:"http://api.sba.gov/geodata/all_links_for_city_of/"+e.text+"/CA.json", county:"county_name"})
             
         })
     }
});

function getCounty(args){
    Ti.API.info(args.url);
     var xhr = Ti.Network.createHTTPClient({
        
         // function called when the response data is available
         onload : function(e) {
             Ti.API.info("Received text: " + this.responseText);
             var response = JSON.parse(this.responseText);
               
             if(args.county == "county_name"){
                 
                 alert(response[0][args.county]);
                 
             }else{
                 alert(response[args.county]);
             }
             
         },
         // function called when an error occurs, including a timeout
         onerror : function(e) {
             Ti.API.debug(e);
             alert(e);
         },
         timeout : 20000  // in milliseconds
     });

     // Prepare the connection.
     xhr.open("GET", args.url);
     // Send the request.
     xhr.send(); 
}