Insert Present Location

Hi,
I am trying to insert my present location in google map....but i am not getting..if anyone knows please help me.....this is my code
<script type="text/javascript"         src="https://maps.googleapis.com/maps/api/js?key=AIzaSyBM6f4J0AhdNhSCAtw4B0v5cuHXzIacnWY&sensor=false">     </script>     <script type="text/javascript" src="http://maps.googleapis.com/maps/api/js?sensor=false&libraries=places">     </script>     <script type="text/javascript">         if (navigator.geolocation) {             navigator.geolocation.getCurrentPosition(success);         } else {          & ...