function showRankStat(id, detail)
{
    var elementDetail = 'user_stat_' + id;
    var obj = document.getElementById(elementDetail);
    obj.innerHTML = detail;
}

function hideRankStat(id, detail)
{
    var elementDetail = 'user_stat_' + id;
    var obj = document.getElementById(elementDetail);
    obj.innerHTML = detail;
}