function rbojstart(d, s) {
    d    = document.getElementById(d);
    var rd    = d.getElementsByTagName("div");
    var re = new RegExp("([^0-9]+[0-9]+).*");
    for (i=0; i<rd.length; i++) {
        if (rd[i].className == "rbd") {
            rd[i].style.display = "none";
            document.getElementById(rd[i].id.replace(re,
"$1")).getElementsByTagName("span")[0].className = "rbodefault";
        }
    }
    if (s != 1) {
        rd[0].style.display = "block";
       
 d.getElementsByTagName("a")[0].getElementsByTagName("span")[0].className
= "rbohover";
    }
}

function rbojs(d) {
    var c    = document.getElementById(d + "o");
    var r    = c.parentNode;
    rbojstart(r.id, 1);
    c.style.display = "block";
    document.getElementById(d).getElementsByTagName("span")[0].className
= "rbohover";
    return true;
}