var tempRankingID = "MusicClassMenu";
function Ranking(rankClass, classType) {
    $("#" + tempRankingID).attr("class", "");
    $("#" + rankClass + "Menu").attr("class", "on");
    tempRankingID = rankClass + "Menu";
    $("#RankingContent").load("/Ranking.aspx?RankClass=" + rankClass + "&ClassType=" + classType);
}