function createCookie(name, value, days) {
    if ($("#keepCookie:checked").val() != null || $("#keepCookieSpan[checked='checked']").length > 0) {
        if (days) {
            var date = new Date();
            date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
            var expires = "; expires=" + date.toGMTString();
        }
        else var expires = "";
        document.cookie = name + "=" + value + expires + "; path=/";
    }
    window.location = value;
}

function readCookie(name) {
    var nameEQ = name + "=";
    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, c.length);
        if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
    }
    return null;
}

function eraseCookie(name) {
    createCookie(name, "", -1);
}

function checkCookie() {
    var sitePreference = readCookie("ymeDefaultSite");
    if (sitePreference != null) {
        if (sitePreference != "") window.location = sitePreference;
    }
}