google api autocomplete

<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false&libraries=places&language=es">
$(document).ready(function() {


        var autocomplete = document.getElementById(&#39;ctl00_ContentPlaceHolder2_txtbuscar&#39;);
            var options = {
                //types: [&#39;(cities)&#39;],
                componentRestrictions: { country: &#39;es&#39; }
            };

            autocomplete = new google.maps.places.Autocomplete(autocomplete, options);

        }
        )</script>