<?php

Header("content-type: application/x-javascript");

$ip = $_SERVER['REMOTE_ADDR'];
#$hostaddress = gethostbyaddr($ip);
#$browser = $_SERVER['HTTP_USER_AGENT'];

echo "document.write( 'Vaša trenutna IP adresa je: <b>$ip</b> <br>');\n";

# ipv4
if (strpos($ip, '.') !== FALSE) {
        echo "document.write( 'Da proverite da li Vaš računar može da koristi IPV6 protokol posetite nas na adresi <b><a href=\"http://www.ipv6.4net.rs\"> http://www.ipv6.4net.rs </a></b><br>');\n";
	echo "document.write( 'Ukoliko na navedenoj adresi ne dobijete odgovor, obratite nam se da Vam pomognemo u implementaciji mreže buducnosti. <br> <br>');";
    }
# ipv6
    else {
        echo "document.write( 'Ćestitamo, Vaš računar koristi IPV6 protokol <br> <br>');";
    }


#    if (strpos($ip, ':') !== FALSE) {
#        $ip = explode(':', $ip);
#        $res = str_pad('', (4*(8-count($ip))), '0000', STR_PAD_LEFT);
#        foreach ($ip as $seg) {
#            $res .= str_pad($seg, 4, '0', STR_PAD_LEFT);
#        }
#        $ip = pack('H'.strlen($res), $res);
#    }
#    return $ip

// echo "document.write( 'More detailed host address: $hostaddress <br>');\n";
// echo "document.write( 'Browser info: $browser <br> <br>');\n";
?>
