function bookmarkAdd() {
	if(navigator.userAgent.indexOf("MSIE") > -1){ //Internet Explorer
		document.write('<!-'+'-[if IE]>');
		document.write('<a href="javascript:void(0)" onclick="window.external.AddFavorite(location.href, document.title)">お気に入りに追加</a>');
		document.write('<![endif]-'+'->');
	} else if(navigator.userAgent.indexOf("Firefox") > -1){ //Firefox
		document.write('<a href="javascript:void(0)" onclick="window.sidebar.addPanel(document.title, location.href, \'\');">ブックマークに追加</a>');
	}
	else { //該当なし
		void(0); //何もしない
	}
}