<?php
$version = isset($_GET['v']) ? $_GET['v'] : (isset($_POST['v']) ? $_POST['v'] : "");

switch($version)
{
case "xhtml":
define("VERSION", "xhtml");
break;

default:

$h_ua = str_replace('windows ce', 'windows', strtolower(getenv('HTTP_USER_AGENT')));
{
 if((strpos(getenv('HTTP_ACCEPT'), "text/html") !== false) || (strpos(getenv('HTTP_USER_AGENT'), "Mozilla") !== false))
 {
 define("VERSION", "xhtml");
 }

}

break;
}

?>