<script>
/*
PART ONE
In which we READ the cookie
and activate the corresponding flag
*/
// Cookie reader function
function getCookie(cname) {
    var name = cname + "=";
    var ca = document.cookie.split(';');
    for(var i=0; i<ca.length; i++) {
        var c = ca[i];
        while (c.charAt(0)==' ') c = c.substring(1);
        if (c.indexOf(name) == 0) return c.substring(name.length,c.length);
    }
    return "";
}
// If our cookie has value
if ( getCookie('FClocale') !== ""){
    // Let's distinguish the link whose 'title' attribute
    // matches the value of the cookie

    // Read the cookie first
    var recordedLocale = getCookie('FClocale');
    // Select our locale-changing links
    var availableLocales = document.querySelectorAll('a.currency-option');
    // And check them against the cookie value
    $(availableLocales).each(function(){
        // If the 'title' matches the value of the cookie…
        if ($(this).attr('title') == recordedLocale){
            // …make all flags equally inactive…
            $('.currency-option-active').removeClass('currency-option-active');
            // …and make the matching one active…
            $(this).addClass('currency-option-active');
        }
    });
}
/*

PART TWO
In which we WRITE the cookie
based on which flag was clicked
*/
    FChostname = window.location.hostname;
    FCactiveLocale = "USD";
    FCcookieName = "FClocale";
    FCd = new Date();
    FCmilliseconds = 365*12*60*60*1000;
    FCd.setTime(FCd.getTime()+FCmilliseconds); // 0.5 year ahead
    FCexpires ="expires="+FCd.toGMTString(); // expire the cookie in 0.5 year

    function FCsetCookie(FCL){
        document.cookie = FCcookieName+"="+FCL+";"+FCexpires+";path=/;domain="+FChostname;
    }

    document.getElementById('usd').onclick = function(){
        FCsetCookie($(this).attr('title'));
        $('.currency-option-active').removeClass('currency-option-active');
        $(this).addClass('currency-option-active');
        FC.client.request('https://'+FC.settings.storedomain+'/cart?locale=en_US')
        .done(function(data){
            console.log(data.locale_info.int_curr_symbol);

        });
    };
    document.getElementById('mxn').onclick = function(){
        FCsetCookie($(this).attr('title'));
        $('.currency-option-active').removeClass('currency-option-active');
        $(this).addClass('currency-option-active');
        FC.client.request('https://'+FC.settings.storedomain+'/cart?locale=es_MX')
        .done(function(data){
            console.log(data.locale_info.int_curr_symbol);
        });
    };
    document.getElementById('gbp').onclick = function(){
        FCsetCookie($(this).attr('title'));
        $('.currency-option-active').removeClass('currency-option-active');
        $(this).addClass('currency-option-active');
        FC.client.request('https://'+FC.settings.storedomain+'/cart?locale=en_GB')
        .done(function(data){
            console.log(data.locale_info.int_curr_symbol);
        });
    };
</script>