La scelta del DB
codice:
 $db = mysql_connect("$dbhost", "$dbuser", "$dbpass") or die("Problem connecting");

 mysql_select_db('nome_database'); 

 $result = mysql_query("SELECT * FROM $gestori",$db); 

 while($myrow = mysql_fetch_array($result)) 
{ 
$gestore = $myrow["gestore"];
}
?>