Google Map PHP Mysql ดึงข้อมูลมาแล้วไม่ออก อยากได้คำแนะนำครับ

<?
mysql_select_db($database_conndb, $conndb);
$query_rsdata_process = "SELECT * FROM data_process ORDER BY pro_id DESC LIMIT 1";
$rsdata_process = mysql_query($query_rsdata_process, $conndb) or die(mysql_error());
$row_rsdata_process = mysql_fetch_assoc($rsdata_process);
$totalRows_rsdata_process = mysql_num_rows($rsdata_process);
$pro_visibility=$row_rsdata_process['pro_visibility'];
$pro_detial=$row_rsdata_process['pro_detial'];
$pro_temp=$row_rsdata_process['pro_temp'];
$pro_humi=$row_rsdata_process['pro_humi'];
$uptime=$row_rsdata_process['uptime'];
?>

<script src="http://maps.googleapis.com/maps/api/js?sensor=true"></script>
    <script>
      function initWithMapStart() {
        var latlng = new google.maps.LatLng(18.794916,98.952934);
        var mapOptions = {
                            zoom: 12,
                            center: latlng,
                            mapTypeId: google.maps.MapTypeId.HYBRID
                        };
        var maps = new google.maps.Map( 
                         document.getElementById('API-MAP'), 
                         mapOptions
                   );

        var marker = new google.maps.Marker({
                            position: latlng,
                            map: maps,
                            animation: google.maps.Animation.DROP,
                            title: "FOGGY V 1.0"
                        });

		var info = new google.maps.InfoWindow({
							content:'<h3>Foggy [OASYS by CPECMU Station]</h3>'+
							<? echo $row_rsdata_process['pro_visibility'];?>
							+'</p>'					
						});
		google.maps.event.addListener(marker, 'click', function(){
			info.open(maps, marker);
		})
      }
    </script>