function selectCataDDList() {
    var ddlist = document.getElementById("cataDDList");
    window.location = "/Club/Magazine.aspx?cataid=" + ddlist.value;
}
function selectCataDDListContent() {
    var ddlist = document.getElementById("cataDDList");
    window.location = "/Club/MagContent.aspx?cataid=" + ddlist.value;
}