function expand1(s,id){
    var td = s;
    td.className = "menuh2";
}
function collapse1(s,id){
    var td = s;
    td.className = "menuh1";
}

function expand(s,id){
    var td = s;
    td.className = "menul2";
    id.className = "menuHover";
}
function collapse(s,id){
    var td = s;
    td.className = "menul1";
    id.className = "menuNormal";
}