var center_marker=null;
var gmap = null;
var map_input = false;
function GMapsload(lat,lng,zoom,gmaps_id) {
  if (GBrowserIsCompatible()) {
  	if(lat==undefined){
  		lat=35;
  	}
  	if(lng==undefined){
  		lng=135;
  	}
   if(zoom==undefined){
      zoom = 17;
   }
    gmap = new GMap2(document.getElementById(gmaps_id));
    gmap.setCenter(new GLatLng(lat, lng), zoom);
//    gmap.enableContinuousZoom();
//    gmap.enableDoubleClickZoom();
    gmap.addControl(new GSmallMapControl());
//    gmap.addControl(new GMapTypeControl());
    setCenterMarker();
	GEvent.addListener(gmap, "movestart", function(){
	}
	);
	GEvent.addListener(gmap, "moveend", function(){
	}
	);
  }
}

function setCenterMarker(){
	var tmpLatLng = null;

	gmap.clearOverlays();
	new_GMarker = new GMarker(gmap.getCenter());
	gmap.addOverlay(new_GMarker);
}