Marker Google Maps in PHP + Radius

function gambarMarker(_nama, _lokasi, _codeDealer, _namaArray, _tipeDealer, _iconimage, _circleColor, _namaArray2, _radius){

var _shadowimage = '../icon/logo_dealer_shadow.png';

var _marker = new google.maps.Marker({

position: _lokasi,

title: _nama,

animation: google.maps.Animation.DROP,

icon: _iconimage,

shadow: _shadowimage

});

google.maps.event.addListener(_marker, "click", FUNC_infowindow);

function FUNC_infowindow() {

_infowindow.close();

if (_tipeDealer=="tipe:HondaDealer"){

closeDialog();

$("#dialog_container").load('dataMarker.php?dlr='+_codeDealer);

}

};

google.maps.event.addListener(_marker, "click", function(){

_marker.setAnimation(google.maps.Animation.BOUNCE);

setTimeout(function() {

_marker.setAnimation(null);

}, 2250);

});

//Return dari Fungsi Menggambar Marker

_namaArray.push(_marker);

if(_radius > 0){

//Gambar Circle

var _circle = new google.maps.Circle({

strokeColor:  "000000",

strokeOpacity: 0.8,

strokeWeight: 2,

fillColor:  _circleColor,

fillOpacity: 0.35,

center: _lokasi,

radius: _radius

});

//_circle.bindTo('center', _marker, 'position');

_namaArray2.push(_circle);

}

};