Google Maps: JavaScript Maps API v2 to v3

[internet-roma]

Ragazzi mi è arrivata la comunicazione di google che la versione v2 verrà disattivata e sarà disponibile la v3 soltanto che non riesco a capire perchè non mi funziona non esce la mappa

Vecchia Versione :

<script src="http://maps.google.com/maps?file=api&amp;v=2&amp;key=<%=GetKeyGoogleMap%>" type="text/javascript"></script>
<script type="text/javascript">
    function initialize() {
      if (GBrowserIsCompatible()) {
		
		
        var publisher_id = "ca-pub-000000000000000";

		var adsManagerOptions = {
		  maxAdsOnMap : 2,
		  style: G_ADSMANAGER_STYLE_ADUNIT,
		  // The channel field is optional - replace this field with a channel number 
		  // for Google AdSense tracking
		  channel: ''  
		};

		
		        
        
       function createLengthMarker(point) {
    	  var marker = new GMarker(point);
    	  var value = polyline.getLength();
    	  value = value / 1000;
    	  var message = "testo  : <%=variabile%>
";
    	  GEvent.addListener(marker,"click", function() {
     	    var myHtml = message;
     	    map.openInfoWindowHtml(point, myHtml);
    	  });
          return marker;
        }

        var map = new GMap2(document.getElementById("map_canvas"));
        adsManager = new GAdsManager(map, publisher_id, adsManagerOptions);
		adsManager.enable();
        map.setCenter(new GLatLng(<%=variabile%>), 3);
        map.setUIToDefault();
        var polyOptions = {geodesic:true};
        var polyline = new GPolyline([
          new GLatLng(<%=variabile%>),
          new GLatLng(<%=variabile%>)
        ], "#ff0000", 10, 1, polyOptions);
        map.addOverlay(polyline);
        map.addOverlay(createLengthMarker(new GLatLng(<%=variabile%>)));
      }
    }
   
    </script>

Nuova Versione riscritta :

<script src="http://maps.googleapis.com/maps/api/js?v=3.exp&sensor=false&key=<%=Key%>&language=it" type="text/javascript"></script>
<script type="text/javascript">
    function initialize() {
      
        var publisher_id = "ca-pub-00000";

		var adsManagerOptions = {
		  maxAdsOnMap : 2,
		  style: G_ADSMANAGER_STYLE_ADUNIT,
		  // The channel field is optional - replace this field with a channel number 
		  // for Google AdSense tracking
		  channel: ''  
		};
        
       function createLengthMarker(point) {
    	  var marker = new GMarker(point);
    	  var value = polyline.getLength();
    	  value = value / 1000;
    	  var message = "testo : <%=var%>
";
    	  GEvent.addListener(marker,"click", function() {
     	    var myHtml = message;
     	    map.openInfoWindowHtml(point, myHtml);
    	  });
          return marker;
        }

        var map = new google.maps.Map(document.getElementById("map_canvas"));
        adsManager = new GAdsManager(map, publisher_id, adsManagerOptions);
		adsManager.enable();
        map.setCenter(new GLatLng(<%=var%>), 3);
        map.setUIToDefault();
        var polyOptions = {geodesic:true};
        var polyline = new GPolyline([
          new GLatLng(<%=var%>),
          new GLatLng(<%=var%>)
        ], "#ff0000", 10, 1, polyOptions);
        map.addOverlay(polyline);
        map.addOverlay(createLengthMarker(new GLatLng(<%=var%>)));
      
    }
   
    </script>