jQuery.event.add(window, "load", function() {
    var tw = $('#twitter');
    var title = document.title.substring(document.title.lastIndexOf("|")+1, document.title.length );
    tw.append('<script type="text/javascript" src="http://platform.twitter.com/widgets.js"></script>');
    tw.append('<a href="http://twitter.com/share" class="twitter-share-button" data-text="' + title + '" data-count="none" data-lang="ja">Tweet</a>');
});