function getMyCookie(sName) {
    var aCookie = $.cookie(sName);
    if ((aCookie != undefined) && (aCookie != null) && (aCookie != ""))
        return aCookie;
    else
        return null;
}

function setMyCookie(sName, sValue) {
    $.cookie(sName, sValue, { expires: 7, path: '/' });
}

function delCookie(sName) {
    $.cookie(sName, null, { path: '/' });
}