google map market

Hi can some one please have a look at the following codes for google maps market

the map dont seem to wok

thank you advance cheers

var lat = -36.8664498;

var lng = 174.7768800;

var latLng = new google.maps.LatLng(lat, lng);

var marker = new google.maps.Marker({

position: latLng,

map: gmap,

draggable: false,

icon: 'img/marker.png',

animation: google.maps.Animation.DROP

// title: 'cool'

});

google.maps.event.addListener(marker, 'click', function() {

infowindow.open(map, marker);

});