function menuon(v){
    id="menu"+v; id2="box"+v;
    if(document.all){
        obj=document.all[id].style;
    }else if(document.layers){
        obj=document.layers[id];
    }else if(document.getElementById){
        obj=document.getElementById(id).style;
    }
    obj.visibility="visible";
}
function menuout(v){
    id="menu"+v;
    id2="box"+v;
    if(document.all){
        obj=document.all[id].style;
    }else if(document.layers){
        obj=document.layers[id];
    }else if(document.getElementById){
        obj=document.getElementById(id).style;
    }
    obj.visibility="hidden";
}