set and get locale through cookie

cookie_locale.txt

## 1. set and get locale on cookie

var userLang = navigator.language || navigator.userLanguage;
function setCookie(cname, cvalue, exdays) {
    var d = new Date();
    d.setTime(d.getTime() + (exdays*24*60*60*1000));
    var expires = "expires="+ d.toUTCString();
    document.cookie = cname + "=" + cvalue + "; " + expires;
}

setCookie("browser.locale", userLang, 30);


# get locale from cookie in rails controller
cookies['browser.locale']