B)"; $laln = explode(",", $start); $startLa = trim($laln[0]); $startLn = trim($laln[1]); $laln = explode(",", $end); $endLa = $laln[0]; $endLn = $laln[1]; $centerLa = ($startLa+$endLa)/2.0; $centerLn = ($startLn+$endLn)/2.0; include("showdir_common.php"); ?>