JavaScript: accessCookie()

accessCookie.js

var getCookie = function(name) {
    var cookies = document.cookie.split(";");
    
    for (var i=0; i < cookies.length; i++) {
        var x = cookies[i].substr(0, cookies[i].indexOf("="));
        var y = cookies[i].substr(cookies[i].indexOf("=") + 1);
        x = x.replace(/^\s+|\s+$/g,"");
        if (x == name) {
            return decodeURIComponent(y);
        }
    }

    return null;
};



var setCookie = function(name, value, exdays) {
    var exdate = new Date();
    exdate.setDate(exdate.getDate() + exdays);
    value = encodeURIComponent(value) + (exdays == null ? '' : ('; expires=' + exdate.toUTCString()));
    document.cookie = name + '=' + value + '; path=/;';
};