//初始化
var def = "1";
function mover(object) {
    //主菜单
    var mm = document.getElementById("m_" + object);
    mm.className = "m_li_a";
    //初始主菜单先隐藏效果
    if (def != 0) {
        var mdef = document.getElementById("m_" + def);
        mdef.className = "m_li";
    }
    //子菜单
    var ss = document.getElementById("s_" + object);
    ss.style.display = "block";
    //初始子菜单先隐藏效果
    if (def != 0) {
        var sdef = document.getElementById("s_" + def);
        sdef.style.display = "none";
    }
}

function mout(object) {
    //主菜单
    var mm = document.getElementById("m_" + object);
    mm.className = "m_li";
    //初始主菜单还原效果
    if (def != 0) {
        var mdef = document.getElementById("m_" + def);
        mdef.className = "m_li";
    }
    //子菜单
    var ss = document.getElementById("s_" + object);
    ss.style.display = "none";
    //初始子菜单还原效果
    if (def != 0) {
        var sdef = document.getElementById("s_" + def);
        sdef.style.display = "block";
    }
}