//お気に入りに追加ボタン
//引用元 http://www.kanaya440.com/contents/tips/javascript/014.html

function addBookmark(title,url) { 
    if (window.sidebar) { 
        window.sidebar.addPanel(title, url,""); 
    } else if( document.all ) { 
        window.external.AddFavorite( url, title); 
    } else if( window.opera && window.print ) { 
        return true; 
    } 
}