// field di db nya begini misalnya tbl_marker
libid => int(11) auto_increment primary key
libtype => int(11)
name => varchar(sesuaikan)
address => text
village => varchar(sesuaikan)
subdistrict => varchar(sesuaikan)
city => varchar(sesuaikan)
prov => varchar(sesuaikan)
zipcode => varchar(5)
phone_number => varchar(20)
fax_number => varchar(20)
home_page => varchar(sesuaikan)
email_addr => varchar(sesuaikan)
latitude => varchar(30) biar aman
longitude => varchar(30) biar aman
logo => varchar(sesuaikan)
marker_icon => varchar(sesuaikan)
opening_time => varchar(sesuaikan)


di controller nya misalnya controllernya namanya Maps.php di method marker

Class Maps extend MY_Controller {
    function marker() {
        $data = get_data('tbl_marker')->result();
        echo json_encode($data);
    }
}

// ini cuman ganti funsi createMarkernya aja jadi begini
function CreateMarker()
{
    var marker;
    var dragmode = false;
    var icon, iconover, html, desc;

    $.ajax({
        url : base_url + 'maps/marker',
        dataType : 'json',
        success : function(jsonMarker) {
            $.each(jsonMarker, function(i,e){
                icon = jsonMarker[i].marker_icon;
                AutoCompleteMarker[i] = jsonMarker[i].name;

                desc = "<table border='0'><tr>"+
                    "<td width='80' valign='top'><img src='" + jsonMarker[i].logo + "' width='70' height='82'></td>"+
                        "<td width='250'>"+
                            "<b>"+ jsonMarker[i].name +"</b><hr>"+
                            "<img src='assets/image/icon/home.gif' class='info-icon'>"+ jsonMarker[i].address + "<br>"+
                            "Desa/Kel.&nbsp;" + jsonMarker[i].village+",&nbsp; "+
                            "Kec.&nbsp;" + jsonMarker[i].subdistrict + ",&nbsp;" + jsonMarker[i].city+ ",&nbsp;" + jsonMarker[i].prov+ "&nbsp;"+ jsonMarker[i].zipcode +"<br/>";

                if(jsonMarker[i].phone_number != "") desc += "<img src='assets/image/icon/phone.gif' class='info-icon'>" + jsonMarker[i].phone_number + "&nbsp;&nbsp;&nbsp;&nbsp;";

                if(jsonMarker[i].fax_number != "") desc += "<img src='assets/image/icon/faks.png' class='info-icon'>" + jsonMarker[i].fax_number + "<br/>";
                else desc += "<br/>";

                if(jsonMarker[i].home_page != "") desc += "<img src='assets/image/icon/web.gif' class='info-icon'><a href='" + jsonMarker[i].home_page +"' target='_blank' style='text-decoration: none'>" + jsonMarker[i].home_page + "</a><br/>";

                if(jsonMarker[i].email_addr != "") desc += "<img src='assets/image/icon/mail.png' class='info-icon'><a href='mailto://"+ jsonMarker[i].email_addr +"'>"+ jsonMarker[i].email_addr + "</a><br/>";

                if(jsonMarker[i].opening_time != "") desc += "<img src='assets/image/icon/clock.png' align='top' class='info-icon'><p>" + jsonMarker[i].opening_time +"</p><br/>";

                marker = new google.maps.Marker({
                    map: map,
                    type: jsonMarker[i].libtype,
                    title: jsonMarker[i].name,
                    html: desc,
                    icon: icon,
                    draggable: dragmode,
                    animation: google.maps.Animation.DROP,
                    position: new google.maps.LatLng(jsonMarker[i].latitude, jsonMarker[i].longitude)
                });

                google.maps.event.addListener(marker, 'click', setInfoWindow);

                markers.push(marker);
            });

            var mcOptions = {
                    gridSize: 50,
                    maxZoom: DETAIL_ZOOM
                    };

            var markerCluster = new MarkerClusterer(map, markers, mcOptions);
        }
    });
}