[Google Maps API v2] migrating from v2 to v3

[melanie bund]

Hi i have 1 question and a problem - PLEASE HELP

the load code below - should the 2 not be a 3?
<script type="text/javascript">
  google.load("maps", "2",{"other_params":"sensor=true"});


*my big problem* - unable to add  and delete markers on map with the old 
code though i have replaced the G with google.maps.

<script type="text/javascript">

  var map = new google.maps.Map(document.getElementById("map"));

  map.addControl(new google.maps.SmallMapControl());

  map.addControl(new google.maps.MapTypeControl());

  var homeIcon = new google.maps.Icon(); 

  homeIcon.image = 
"http://chart.apis.google.com/chart?chst=d_map_pin_icon&chld=home|B6D4E8";

  homeIcon.shadow = 
"http://chart.apis.google.com/chart?chst=d_map_pin_shadow";; 

  homeIcon.iconSize = new google.maps.Size(24, 40); 

  homeIcon.shadowSize = new google.maps.Size(44, 40); 

  homeIcon.iconAnchor = new google.maps.Point(12, 40); 

  homeIcon.infoWindowAnchor = new google.maps.Point(12, 2); 

  markerOptions = { icon:homeIcon };

  var lat = document.getElementById("latitude").value;

  var lon = document.getElementById("longitude").value;

  if (lat == 0 || lon == 0)

  {

  map.centerAndZoom(new google.maps.Point(-9.3603515625,38.777640223073), 
8);

  } else

  {

  var house = new google.maps.Point(lon,lat);

  map.centerAndZoom(house, 8);

  var marker = new google.maps.Marker(house, markerOptions);

  map.addOverlay(marker);

  }

  google.maps.event.addListener(map, 'click', function(overlay, point) {

  if (overlay) {

  map.removeOverlay(overlay);

                  document.getElementById("latitude").value=0;

                  document.getElementById("longitude").value=0;

} else if (point) {

  map.recenterOrPanToLatLng(point);

  var marker = new google.maps.Marker(point, markerOptions);

  map.addOverlay(marker);

   }

   });

  google.maps.event.addListener(map, 'click', function(overlay, point) {

  document.getElementById("latitude").value=point.y;

  document.getElementById("longitude").value=point.x;

  });

</script>

Thanks
Melanie

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