let value_error = false;    // Flag if Lat/Lon values are out of range.
let latitude_low = 38.0;
let latitude_high = 40.0;
let longitude_low = -97.0;
let longitude_high = -94.0;

function submitForm()
{
	// Clear values
	value_error = false;
	$("#latitude_error").html('');
	$("#longitude_error").html('');
	// Set Vars
	let nLatitude  = $("#latitude").val();
	let nLongitude = $("#longitude").val();

	if ((!$.isNumeric(nLatitude)) || (!inRange(nLatitude,latitude_low,latitude_high)))
	{
		$("#latitude_error").html('Please enter a value between ' + latitude_low + ' and ' + latitude_high);
		value_error = true;
	}

	if ((!$.isNumeric(nLongitude)) || (!inRange(nLongitude,longitude_low,longitude_high)))
	{
		$("#longitude_error").html('Please enter a value between ' + longitude_low + ' and ' + longitude_high);
		value_error = true;
	}

	// if Lat or Lon values are out of range return to form.
	if (value_error) { return; }

	// Call to API
	$.ajax(
	{
		url : 'https://rhays.us/Examples/RX_API_Call/RX.php',
		type : 'GET',
		dataType: 'html',
		data :
		{
			'K'         : 'RLH1234',
			'Latitude'  : nLatitude,
			'Longitude' : nLongitude
		},
		success : function(data)
		{
			$("#results").html(data);
		},
		error : function(request,error)
		{
			alert("Request: "+JSON.stringify(request));
		}
	});

}