function initialize() {
      document.ekleform.koor.value = '';
	  if (GBrowserIsCompatible()) {
        var map = new GMap2(document.getElementById("map_canvas"));
       map.setUIToDefault();

	    var center = new GLatLng(39.77120720260559, 30.51426887512207);

        map.setCenter(center, 14);
    
	//map.addControl(new GLargeMapControl());
    //map.addControl(new GMapTypeControl());

 
// var marker = new GMarker(center, {icon:icon, draggable: true});
  var marker = new GMarker(center, {draggable: true});  



      GEvent.addListener(marker, "dragstart", function() {
          map.closeInfoWindow();
        });
    
        GEvent.addListener(marker, "dragend", function() {
          //marker.openInfoWindowHtml(""+marker.getLatLng());
		  document.getElementById("koor").value = marker.getLatLng();
        });
    
        map.addOverlay(marker);
	
        var baseIcon = new GIcon(G_DEFAULT_ICON);
    
		var mm = new GMarkerManager(map);  
    
	    function createMarker(point, index,mytitle,myicon,myiconshadow) {
	   
	    baseIcon.shadow = myiconshadow;
        baseIcon.iconSize = new GSize(24, 24);
        baseIcon.shadowSize = new GSize(24, 24);
        baseIcon.iconAnchor = new GPoint(0, 0);
//        baseIcon.infoWindowAnchor = new GPoint(9, 2);

          var letteredIcon = new GIcon(baseIcon);
          letteredIcon.image = myicon;
    
          markerOptions = { title:mytitle,icon:letteredIcon};
          var marker2 = new GMarker(point, markerOptions);
    	  mm.addMarker(marker2,16,17);
		  mm.refresh; 
          return marker2;
 }
  
 //map.addOverlay(createMarker(new GLatLng(39.779214,30.511644), 1,"Asker Hastanesi","http://maps.google.com/mapfiles/kml/pal2/icon10.png","http://maps.google.com/mapfiles/kml/pal2/icon10s.png"));
 //map.addOverlay(createMarker(new GLatLng(39.775214,30.515644), 2,"Deneme","http://maps.google.com/mapfiles/kml/pal2/icon55.png","http://maps.google.com/mapfiles/kml/pal2/icon55s.png"));

    
	  }
    }