Internet explorer : shows google maps error showing using javascript in asp.net
shows error in internet explorer "JavaScript runtime error: 'google' is undefined"and my code is----------
<script type="text/javascript">
function initialize1() {
var myCenter = new google.maps.LatLng(51.508742, -0.120850);
var mapProp = {
center: myCenter,
zoom: 12,
mapTypeId: google.maps.MapTypeId.ROADMAP
};
var map = new google.maps.Map(document.getElementById("map"), mapProp);
var marker = new google.maps.Marker({
position: myCenter,
animation: google.maps.Animation.BOUNCE
});
marker.setMap(map);
var infowindow = new google.maps.InfoWindow({
content: "Hello World!"
});
google.maps.event.addListener(marker, 'click', function () {
infowindow.open(map, marker);
});
}
window.onload = initialize1;
</script>