var ngmap;
var ngi = new GIcon();
		ngi.image = "google03.png";
		//ngi.shadow = "http://www.google.com/mapfiles/shadow50.png";
		ngi.iconSize = new GSize(19, 15);
		//ngi.shadowSize = new GSize(19, 15);
		ngi.iconAnchor = new GPoint(5, 20);
		ngi.infoWindowAnchor = new GPoint(5, 20);

 //er=0;

    function loadgc() {
		
      if (GBrowserIsCompatible()) {
        ngmap = new GMap2(document.getElementById("maptitle"));
		ngmap.addControl(new GSmallZoomControl());
		ngmap.addControl(new GScaleControl());
		ngmap.enableContinuousZoom();
	
		GEvent.addListener(ngmap, "zoomend", function(oldzoom,newzoom) {

		  });

		var ipnt = new GLatLng(31.553, 117.955581);
        ngmap.setCenter(ipnt, 9);
		ngmap.setMapType(G_SATELLITE_MAP); //修改地图类型

		ngmap.addOverlay(createMarker());

		//ngicon.infoShadowAnchor = new GPoint(18, 25);
		//var mym = new GMarker(ngmap.getCenter(),ngicon);
		

        GEvent.addListener(ngmap, "moveend", function() {

        });


		GEvent.addListener(ngmap, "click", function(marker, point) {
		  if (marker) 
		  {

		  } else 
		  {
		  }
		  ngmap.panTo(point);
		});
      }
	  
	  
    }


function createMarker() {
  // Create a lettered icon for this point using our icon class
		var ngicon = new GIcon(ngi);
		ngicon.image = "google01.png";
		ngicon.shadow = "google01.png";
		ngicon.iconSize = new GSize(19, 15);
		ngicon.shadowSize = new GSize(19, 15);
		ngicon.iconAnchor = new GPoint(8, 23);
		ngicon.infoWindowAnchor = new GPoint(8, 23);

		var marker = new GMarker(new GLatLng(31.442236,118.129881), ngicon);
		  GEvent.addListener(marker, "click", function() {
			marker.openInfoWindowHtml("凌家滩遗址");
		  });
		 // marker.openInfoWindowHtml("凌家滩遗址");

		var marker1 = new GMarker(new GLatLng(31.660734,117.686045), ngicon);
		  GEvent.addListener(marker1, "click", function() {
			marker1.openInfoWindowHtml("唐家嘴遗址");
		  });
		ngmap.addOverlay(marker1);

		var  marker2 = new GMarker(new GLatLng(31.52502,117.79253), ngicon);
		  GEvent.addListener(marker2, "click", function() {
			marker2.openInfoWindowHtml("银屏智人遗址");
		  });
		ngmap.addOverlay(marker2);

		var marker3 = new GMarker(new GLatLng(31.63941,117.90372), ngicon);
		  GEvent.addListener(marker3, "click", function() {
			marker3.openInfoWindowHtml("半汤商周遗址");
		  });
		ngmap.addOverlay(marker3);

		var marker4 = new GMarker(new GLatLng(31.8498,118.1413), ngicon);
		  GEvent.addListener(marker4, "click", function() {
			marker4.openInfoWindowHtml("和县猿人遗址");
		  });
		ngmap.addOverlay(marker4);

		var ngicona = new GIcon(ngi);
		ngicona.image = "chaohu.png";
		ngicona.iconSize = new GSize(30, 15);
		ngicona.shadowSize = new GSize(30, 15);
		ngicona.iconAnchor = new GPoint(15, 23);
		ngicona.infoWindowAnchor = new GPoint(15, 23);
		var marker5 = new GMarker(new GLatLng(31.564,117.667681), ngicona);
		ngmap.addOverlay(marker5);

		var ngiconb = new GIcon(ngi);
		ngiconb.image = "changjiang.png";
		ngiconb.iconSize = new GSize(30, 15);
		ngiconb.shadowSize = new GSize(30, 15);
		ngiconb.iconAnchor = new GPoint(15, 23);
		ngiconb.infoWindowAnchor = new GPoint(15, 23);
		var marker6 = new GMarker(new GLatLng(31.684730,118.428390), ngiconb);
		ngmap.addOverlay(marker6);

		var ngiconc = new GIcon(ngi);
		ngiconc.image = "wuhu.png";
		ngiconc.iconSize = new GSize(30, 15);
		ngiconc.shadowSize = new GSize(30, 15);
		ngiconc.iconAnchor = new GPoint(15, 23);
		ngiconc.infoWindowAnchor = new GPoint(15, 23);
		var marker7 = new GMarker(new GLatLng(31.353085,118.386327), ngiconc);
		ngmap.addOverlay(marker7);

		var ngicond = new GIcon(ngi);
		ngicond.image = "chaohucity.png";
		ngicond.iconSize = new GSize(30, 15);
		ngicond.shadowSize = new GSize(30, 15);
		ngicond.iconAnchor = new GPoint(15, 23);
		ngicond.infoWindowAnchor = new GPoint(15, 23);
		var marker8 = new GMarker(new GLatLng(31.574342,117.876434), ngicond);
		ngmap.addOverlay(marker8);


		var ngicone = new GIcon(ngi);
		ngicone.image = "hefei.png";
		ngicone.iconSize = new GSize(30, 15);
		ngicone.shadowSize = new GSize(30, 15);
		ngicone.iconAnchor = new GPoint(15, 23);
		ngicone.infoWindowAnchor = new GPoint(15, 23);
		var marker9 = new GMarker(new GLatLng(31.855987,117.276486), ngicone);
		ngmap.addOverlay(marker9);


		var ngiconf = new GIcon(ngi);
		ngiconf.image = "nanjing.png";
		ngiconf.iconSize = new GSize(30, 15);
		ngiconf.shadowSize = new GSize(30, 15);
		ngiconf.iconAnchor = new GPoint(15, 23);
		ngiconf.infoWindowAnchor = new GPoint(15, 23);
		var marker10 = new GMarker(new GLatLng(32.041726,118.776534), ngiconf);
		ngmap.addOverlay(marker10);

  return marker;
}
//°°