index.php

<?php
session_start();
include("lang.php");
   include("txt.php");
defineStrings();
?>
<HTML>
<HEAD>
<TITLE><?php echo "WELCOME_TXT" ?></TITLE>
<META HTTP-EQUIV="Content-Type" content="text/html; charset=<?php echo CHARSET; ?>">
<META HTTP-EQUIV="Content-Language" content="<?php echo LANGCODE; ?>">
<BODY>
<h1 align=center><?php echo WELCOME_TXT; ?></h1>
  <p align=center><strong><?php echo CHOOSE_TXT; ?></strong><br><br>
<a href="<?php echo $_SERVER[PHP_SELF].'?lang=en'; ?>"><img src="en_flag.gif" border=0></a>
<a href="<?php echo $_SERVER[PHP_SELF].'?lang=de'; ?>"><img src="de_flag.gif" border=0></a>
<a href="<?php echo $_SERVER[PHP_SELF].'?lang=ja'; ?>"><img src="ja_flag.gif" border=0></a>
</p>
</BODY>
</HTML>