Google Maps JavaScript API v3 Example: Map Simple

function initialize() {
var myLatlng = new google.maps.LatLng(-33.890542, 151.274856);
var myOptions = {
zoom: 3,
center: myLatlng,
mapTypeId: google.maps.MapTypeId.ROADMAP
}
var map = new google.maps.Map(document.getElementById(“map_canvas”), myOptions);
var image = ‘beachflag.png’;
var myLatLng = new google.maps.LatLng(-33.890542, 151.274856);
var beachMarker = new google.maps.Marker({
position: myLatLng,
map: map
});
}