test.php

<html>
<?
$latitude = $_GET['lat'];
$longitude = $_GET['long'];
$latf = "mylattitude.txt";
$longf = "mylongitude.txt";
$latfh = fopen($latf, 'w') or die("can't open file");
fwrite($latfh, $latitude);
fclose($latfh);
$longfh = fopen($longf, 'w') or die("can't open file");
fwrite($longfh, $longitude);
fclose($longfh);
echo "var mylocation = new google.maps.LatLng($latitude, $longitude);";
?>
</html>