I want to track drivers from Taxi App on the back end web page to tracking drivers map it's give this error
This page didn't load Google Maps correctly. See the JavaScript console for technical details.
code for page is :
<?php
require_once('../includes/config.php');
require_once('../includes/database.class.php');
$db= new database($pdo);
?>
<!DOCTYPE html>
<html lang="en">
<head>
<link href='http://fonts.googleapis.com/css?family=Dosis:400,700' rel='stylesheet' type='text/css'>
<title>map</title>
<script src="https://maps.googleapis.com/maps/api/js?v=3.exp"></script>
<script type="text/javascript">
var icon = new google.maps.MarkerImage("http://maps.google.com/mapfiles/ms/micons/blue.png",
new google.maps.Size(32, 32), new google.maps.Point(0, 0),
new google.maps.Point(16, 16));
var center = null;
var map = null;
var currentPopup;
var bounds = new google.maps.LatLngBounds();
function addMarker(lat, lng, info ) {
var pt = new google.maps.LatLng(lat, lng);
bounds.extend(pt);
var marker = new google.maps.Marker({
position: pt,
icon: icon,
map: map,
});
var popup = new google.maps.InfoWindow({
});
popup.setContent(info);
popup.open(map, marker);
google.maps.event.addListener(marker, "click", function() {
if (currentPopup != null) {
currentPopup.close();
currentPopup = null;
}
popup.open(map, marker);
currentPopup = popup;
});
google.maps.event.addListener(popup, "closeclick", function() {
map.panTo(center);
currentPopup = null;
});
}
function initMap() {
map = new google.maps.Map(document.getElementById("map"), {
center: new google.maps.LatLng(0, 0),
zoom: 1,
mapTypeId: google.maps.MapTypeId.ROADMAP,
mapTypeControl: false,
mapTypeControlOptions: {
style: google.maps.MapTypeControlStyle.HORIZONTAL_BAR
},
navigationControl: true,
navigationControlOptions: {
style: google.maps.NavigationControlStyle.SMALL
}
});
<?php
$db->mapOffers();
?>
center = bounds.getCenter();
map.fitBounds(bounds);
}
</script>
<style>
#map{
border:#CCC thin solid;
height: 480px;
margin: 0 0 10px 0;
padding: 0px
}
</style>
</head>
<body onload="initMap()" style="font-family: 'Roboto', sans-serif;" class="home">
<?php
// $db->mapOffers();
?>
<div id="map"></div>
</body>
</html>
can you help me