function initialize() {
      
var map = new GMap2(document.getElementById("map_canvas"));

map.setCenter(new GLatLng(-37.774490,144.954390), 15);

// Create our "blue" marker icon
var blueIcon = new GIcon(G_DEFAULT_ICON);
blueIcon.image = "http://www.metaheadz.net/dev/theunion/images/union_google.png";
blueIcon.iconSize = new GSize(60, 77);
                
// Set up our GMarkerOptions object
markerOptions = { icon:blueIcon };


var point = new GLatLng(-37.772200,144.953360);
map.addOverlay(new GMarker(point, markerOptions));

 }