if (navigator.appName == 'Netscape')
    var language = navigator.language;
else
    var language = navigator.browserLanguage;
var code = language.substring(0,2);
if ((code == 'en') || (code == 'fr') || (code == 'nl')) 
{
if (code == 'en') url ="english/index.html";
if (code == 'fr') url ="francais/index.html";
if (code == 'nl') url ="nederlands/index.html";
}	
else {url ="english/index.html";}
document.location.href = url