code: function initializeMap() {
  			if($('.map').length) {
  				var mapCanvas = $('#map-canvas');
  				var myLatlng = new google.maps.LatLng(mapCanvas.data("latitude"),mapCanvas.data("longitude"));
  				var mapOptions = {
  					zoom: mapCanvas.data("zoom"),
  					center: myLatlng
  				}
  				var map = new google.maps.Map(document.getElementById('map-canvas'), mapOptions);
  				
  				var marker = new google.maps.Marker({
  				  position: myLatlng,
  				  map: map
  		  	});
  			}
  		  
  		}
docs: ------------------------------ GOOGLE MAP /*
  custom map with google api
  check out the link below for more information about api usage
  https://developers.google.com/maps/documentation/javascript/examples/marker-simple