<script>
document.write(navigator.language)
</script>

<pre>
Array
(
    [UNIQUE_ID] => T0U0B9FEAZcAATrKV94AAAAU
    [HTTP_X_CC_ID] => ccc04-01
    [HTTP_HOST] => lab.artlung.com
    [HTTP_USER_AGENT] => CCBot/1.0 (+http://www.commoncrawl.org/bot.html)
    [HTTP_ACCEPT] => text/html,application/xhtml+xml,text/xml;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5
    [HTTP_ACCEPT_LANGUAGE] => en-us,en;q=0.5
    [HTTP_ACCEPT_ENCODING] => gzip
    [HTTP_ACCEPT_CHARSET] => ISO-8859-1,utf-8;q=0.7,*;q=0.7
    [HTTP_CONNECTION] => close
    [HTTP_CACHE_CONTROL] => no-cache
    [HTTP_PRAGMA] => no-cache
    [PATH] => /bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin
    [SERVER_SIGNATURE] => 
    [SERVER_SOFTWARE] => Apache/2.2.22
    [SERVER_NAME] => lab.artlung.com
    [SERVER_ADDR] => 209.197.106.82
    [SERVER_PORT] => 80
    [REMOTE_HOST] => 38.107.179.236
    [REMOTE_ADDR] => 38.107.179.236
    [DOCUMENT_ROOT] => /usr/www/users/artlung/lab.artlung.com
    [SERVER_ADMIN] => joe@artlung.com
    [SCRIPT_FILENAME] => /usr/www/users/artlung/lab.artlung.com/navigator-language/index.php
    [REMOTE_PORT] => 53049
    [GATEWAY_INTERFACE] => CGI/1.1
    [SERVER_PROTOCOL] => HTTP/1.1
    [REQUEST_METHOD] => GET
    [QUERY_STRING] => 
    [REQUEST_URI] => /navigator-language/
    [SCRIPT_NAME] => /navigator-language/index.php
    [PHP_SELF] => /navigator-language/index.php
    [REQUEST_TIME] => 1329935367
)
</pre>