function initialize() {
var myOptions = {
center: new google.maps.LatLng(-33.873651, 151.20689),
zoom: 7,
mapTypeId: google.maps.MapTypeId.ROADMAP
};

var map = new google.maps.Map(document.getElementById(“map_canvas”),
myOptions);

var hamlynterracePos = new google.maps.LatLng(-33.251599,151.477342);
var contentString =
‘Hamlyn Terrace’+
‘Text goes here.’;

var infowindow = new google.maps.InfoWindow({
content: contentString
});

var hamlynterraceMarker = new google.maps.Marker({
position: hamlynterracePos,
map: map,
title:”Hamlyn Terrace”
});
google.maps.event.addListener(hamlynterraceMarker, ‘click’, function() {
infowindow.open(map,hamlynterraceMarker);
});

var oranparkPos = new google.maps.LatLng(-34.005997,150.74152);
var contentString =
‘Oran Park’+
‘Text goes here.’;

var infowindow = new google.maps.InfoWindow({
content: contentString
});
var oranparkMarker = new google.maps.Marker({
position: oranparkPos,
map: map,
title:”Oran Park”
});
google.maps.event.addListener(oranparkMarker, ‘click’, function() {
infowindow.open(map,oranparkMarker);
});

var bunyaPos = new google.maps.LatLng(-33.776847,150.873334);
var contentString =
‘Oran Park’+
‘Text goes here.’;

var infowindow = new google.maps.InfoWindow({
content: contentString
});
var bunyaMarker = new google.maps.Marker({
position: bunyaPos,
map: map,
title:”Bunya”
});

google.maps.event.addListener(bunyaMarker, ‘click’, function() {
infowindow.open(map,bunyaMarker);
});

}

Great site!