function bookmark(address,sitename) {
  if (window.sidebar) {
    window.sidebar.addPanel(sitename, address,"");
  } else if( document.all ) {
    window.external.AddFavorite(address, sitename);
  } else if( window.opera && window.print ) {
    return true;
  }
}

function add_Bookmark(title,url) {
    if (window.sidebar) {
        window.sidebar.addPanel(title, url,"");
    } else if( window.external ) {
        window.external.AddFavorite( url, title);
    } else if( window.opera && window.print ) {
        return true;
    } else {
      alert("サポートされていません");
    }
}
function add_BookmarkTop(title,url) {
    if (window.sidebar) {
        window.sidebar.addPanel(title, url,"");
    } else if( window.external ) {
        window.external.AddFavorite( url, title);
    } else if( window.opera && window.print ) {
        return true;
    } else {
      alert("サポートされていません");
    }
}