//<![CDATA[
// Yantai:N37กใ33'E121กใ20 
// Chesapeake bay:(38.0333, -76.3375), 7
// Coastal (Hyperion):37.476,-75.7792 
// Coral reef (hyperion): -20.2475,164.3044 
// Daya bay: 

var map;

function pan() { 
var p3 = new GLatLng(37.472644250177325, 121.44132614135742); 
map.panTo(p3); 
} 

function panQD() { 
var p3 = new GLatLng(36.06908224732973, 120.35247802734375); 
map.panTo(p3); 
} 

function panPRE() { 
var p3 = new GLatLng(22.512556954051437,113.7579345703125); 
map.panTo(p3); 
} 

function panYRD() { 
var p3 = new GLatLng(37.79676,119.03549); 
map.panTo(p3); 
} 
 
function load() {
      if (GBrowserIsCompatible()) {
        map = new GMap(document.getElementById("map"));
        map.addControl(new GSmallMapControl());
        map.addControl(new GMapTypeControl());
        map.setMapType(G_HYBRID_MAP); //
        var center = new GLatLng(37.47264, 121.44133);
        map.setCenter(center, 10);
        geocoder = new GClientGeocoder();
        var marker = new GMarker(center, {draggable: true});  
        map.addOverlay(marker);
        document.getElementById("lat").innerHTML = center.lat().toFixed(5);
        document.getElementById("lng").innerHTML = center.lng().toFixed(5);

	  GEvent.addListener(marker, "dragend", function() {
       var point = marker.getPoint();
	      map.panTo(point);
       document.getElementById("lat").innerHTML = point.lat().toFixed(5);
       document.getElementById("lng").innerHTML = point.lng().toFixed(5);

        });
       map.setMapType(G_HYBRID_MAP);

	 GEvent.addListener(map, "moveend", function() {
		  map.clearOverlays();
    var center = map.getCenter();
		  var marker = new GMarker(center, {draggable: true});
		  map.addOverlay(marker);
		  document.getElementById("lat").innerHTML = center.lat().toFixed(5);
	   document.getElementById("lng").innerHTML = center.lng().toFixed(5);


	 GEvent.addListener(marker, "dragend", function() {
      var point =marker.getPoint();
	     map.panTo(point);
      document.getElementById("lat").innerHTML = point.lat().toFixed(5);
	     document.getElementById("lng").innerHTML = point.lng().toFixed(5);

        });
        });
      }
    }

function showAddress(address) {
       map = new GMap(document.getElementById("map"));
       map.addControl(new GSmallMapControl());
       map.addControl(new GMapTypeControl());
       if (geocoder) {
        geocoder.getLatLng(
          address,
          function(point) {
            if (!point) {
              alert(address + " not found");
            } else {
		  document.getElementById("lat").innerHTML = point.lat().toFixed(5);
	   document.getElementById("lng").innerHTML = point.lng().toFixed(5);
		 map.clearOverlays()
			map.setCenter(point, 10);
   var marker = new GMarker(point, {draggable: true});  
		 map.addOverlay(marker);

		GEvent.addListener(marker, "dragend", function() {
      var pt = marker.getPoint();
	     map.panTo(pt);
      document.getElementById("lat").innerHTML = pt.lat().toFixed(5);
	     document.getElementById("lng").innerHTML = pt.lng().toFixed(5);
        });
   
 map.setMapType(G_HYBRID_MAP);


GEvent.addListener(map, "moveend", function() {
		  map.clearOverlays();
    var center = map.getCenter();
		  var marker = new GMarker(center, {draggable: true});
		  map.addOverlay(marker);
		  document.getElementById("lat").innerHTML = center.lat().toFixed(5);
	   document.getElementById("lng").innerHTML = center.lng().toFixed(5);

	 GEvent.addListener(marker, "dragend", function() {
     var pt = marker.getPoint();
	    map.panTo(pt);
    document.getElementById("lat").innerHTML = pt.lat().toFixed(5);
	   document.getElementById("lng").innerHTML = pt.lng().toFixed(5);
        });
 
        });
            }
          }
        );
      }
    }

    //]]>