function addMozillaPanel(url)
{
    if ((typeof window.sidebar == "object") && (typeof window.sidebar.addPanel == "function"))
    {
        window.sidebar.addPanel ("Yi.se Music Player ",url,"");
    }
    else
    {
        var rv = window.confirm ("Music Player Sidebar requires a compatible browser. Do you want to upgrade?");
        if (rv)
        document.location.href = "http://www.getfirefox.com";
    }
}