map.php

<?php
$owner = JRequest::getVar("owner", "", "GET");
$id = JRequest::getVar("id", "", "GET");
JFactory::getLanguage()->load("contentmap", JPATH_LIBRARIES . "/contentmap");
?>
imageObjs = new Array();

function init_<?php echo $owner; ?>_<?php echo $id; ?>()
{
    if (!data_<?php echo $owner; ?>_<?php echo $id; ?>.places.length)
    {
        // There is no places viewable in this module
        document.getElementById('contentmap_<?php echo $owner; ?>_<?php echo $id; ?>').innerHTML += '<?php echo str_replace("'", "\\'", JText::_("CONTENTMAP_NO_DATA")); ?>';
        return;
    }

<?php if ($center = $this->Params->get("center", NULL)) {
    $coordinates = explode(",", $center);
    // Google map js needs them as two separate values (See constructor: google.maps.LatLng(lat, lon))
    $center = new stdClass();
    $center->latitude = floatval($coordinates[0]);
    $center->longitude = floatval($coordinates[1]);
 ?>
    var center = new google.maps.LatLng(<?php echo $center->latitude; ?>, <?php echo $center->longitude; ?>);
<?php } else { ?>
    var center = new google.maps.LatLng(data_<?php echo $owner; ?>_<?php echo $id; ?>.places[0].latitude, data_<?php echo $owner; ?>_<?php echo $id; ?>.places[0].longitude);
<?php } ?>

    // Map creation
    var map = new google.maps.Map(document.getElementById('contentmap_<?php echo $owner; ?>_<?php echo $id; ?>'),
    {
        zoom: <?php echo $this->Params->get("zoom", 0); ?>,
        center: center,
        mapTypeId: google.maps.MapTypeId.<?php echo $this->Params->get("map_type", "ROADMAP"); ?>
    });

<?php if (!$center) {
// Used only by the module which contains more than one marker but only when a center is not defined
?>
/*
    if (data_<?php echo $owner; ?>_<?php echo $id; ?>.places.length > 1)
    {
        // Automatic scale and center the map based on the marker points
        var bounds = new google.maps.LatLngBounds();
        var pmin = new google.maps.LatLng(data_<?php echo $owner; ?>_<?php echo $id; ?>.minlatitude, data_<?php echo $owner; ?>_<?php echo $id; ?>.minlongitude);
        var pmax = new google.maps.LatLng(data_<?php echo $owner; ?>_<?php echo $id; ?>.maxlatitude, data_<?php echo $owner; ?>_<?php echo $id; ?>.maxlongitude);
        bounds.extend(pmin);
        bounds.extend(pmax);
        map.fitBounds(bounds);
    }
*/
<?php } ?>

    // InfoWindow creation
    var infowindow = new google.maps.InfoWindow({maxWidth: <?php echo $this->Params->get("infowindow_width", "200"); ?>});

    // Markers creation
    var markers = [];
    var minlatitude = 90.0;
    var maxlatitude = -90.0;
    var minlongitude = 180.0;
    var maxlongitude = -180.0;

    for (var i = 0; i < data_<?php echo $owner; ?>_<?php echo $id; ?>.places.length; ++i)
    {
        // Compute bounds rectangle
        minlatitude = Math.min(data_<?php echo $owner; ?>_<?php echo $id; ?>.places[i].latitude, minlatitude);
        maxlatitude = Math.max(data_<?php echo $owner; ?>_<?php echo $id; ?>.places[i].latitude, maxlatitude);
        minlongitude = Math.min(data_<?php echo $owner; ?>_<?php echo $id; ?>.places[i].longitude, minlongitude);
        maxlongitude = Math.max(data_<?php echo $owner; ?>_<?php echo $id; ?>.places[i].longitude, maxlongitude);

        // Set marker position
        var pos = new google.maps.LatLng(data_<?php echo $owner; ?>_<?php echo $id; ?>.places[i].latitude, data_<?php echo $owner; ?>_<?php echo $id; ?>.places[i].longitude);

        // Marker creation
        var marker = new google.maps.Marker(
        {
            map: map,
            position: pos,
            title: data_<?php echo $owner; ?>_<?php echo $id; ?>.places[i].title,
            zIndex: i
        });

        // Custom marker icon if present
        if ("icon" in data_<?php echo $owner; ?>_<?php echo $id; ?>)
        marker.setIcon(data_<?php echo $owner; ?>_<?php echo $id; ?>.icon);

        google.maps.event.addListener(marker, '<?php echo $this->Params->get("infowindow_event", "click"); ?>',
        function()
        {
<?php if ($this->Params->get("markers_action") == "infowindow") { ?>
            // InfoWindow handling event
            infowindow.setContent(data_<?php echo $owner; ?>_<?php echo $id; ?>.places[this.getZIndex()].html);
            infowindow.open(map, this);
<?php } else { ?>
            // Redirect handling event
            location.href = data_<?php echo $owner; ?>_<?php echo $id; ?>.places[this.getZIndex()].article_url;
<?php } ?>
        });

        markers.push(marker);
    }

<?php if (!$center) {
// Set bounds rectangle
// Used only by the module which contains more than one marker but only when a center is not defined
?>
    if (data_<?php echo $owner; ?>_<?php echo $id; ?>.places.length > 1)
    {
        // Automatic scale and center the map based on the marker points
        var bounds = new google.maps.LatLngBounds();
        var pmin = new google.maps.LatLng(minlatitude, minlongitude);
        var pmax = new google.maps.LatLng(maxlatitude, maxlongitude);
        bounds.extend(pmin);
        bounds.extend(pmax);
        map.fitBounds(bounds);
    }
<?php } ?>

<?php if ($this->Params->get("cluster", "1")) { ?>
    // Marker Cluster creation
    var markerCluster = new MarkerClusterer(map, markers);
<?php } ?>
}


// Preload article images shown inside the infowindows
function preload_<?php echo $owner; ?>_<?php echo $id; ?>()
{
    for (var i = 0; i < data_<?php echo $owner; ?>_<?php echo $id; ?>.places.length; ++i)
    {
        if (data_<?php echo $owner; ?>_<?php echo $id; ?>.places[i].image)
        {
            imageObj = new Image();
            //imageObj.src = data_<?php echo $owner; ?>_<?php echo $id; ?>.baseurl + data_<?php echo $owner; ?>_<?php echo $id; ?>.places[i].image;
            imageObj.src = data_<?php echo $owner; ?>_<?php echo $id; ?>.places[i].image;
            imageObjs.push(imageObj);
        }
    }

}

google.maps.event.addDomListener(window, 'load', init_<?php echo $owner; ?>_<?php echo $id; ?>);
google.maps.event.addDomListener(window, 'load', preload_<?php echo $owner; ?>_<?php echo $id; ?>);
//window.onload = preload_<?php echo $owner; ?>_<?php echo $id; ?>;
//google.maps.event.addDomListener(document.getElementById("contentmap_<?php echo $owner; ?>_<?php echo $id; ?>"), 'mouseover', preload_<?php echo $owner; ?>_<?php echo $id; ?>);