function setOpacity(obj, opacity) {
    opacity = (opacity == 100) ? 99.999 : opacity;

    // IE/Win
    obj.style.filter = "alpha(opacity:" + opacity + ")";

    // Safari<1.2, Konqueror
    obj.style.KHTMLOpacity = opacity / 100;

    // Older Mozilla and Firefox
    obj.style.MozOpacity = opacity / 100;

    // Safari 1.2, newer Firefox and Mozilla, CSS3
    obj.style.opacity = opacity / 100;
}

function fadeIn(objId, opacity) {
    if (document.getElementById) {
        obj = document.getElementById(objId);
        if (opacity <= 100) {
            setOpacity(obj, opacity);
            opacity += 5;
            window.setTimeout("fadeIn('" + objId + "'," + opacity + ")", 100);
        }
    }
}

function fadeOut(objId, objId2, opacity) {
    if (document.getElementById) {
        obj = document.getElementById(objId);
        if (opacity > 0) {
            setOpacity(obj, opacity);
            opacity -= 5;
            window.setTimeout("fadeOut('" + objId + "','"+objId2+"'," + opacity + ")", 100);
        } else {
            obj.style.display = "none";
            fadeIn(objId2, 0);
        }
    }
}