if(YUI){
  YUI().use("node", function(Y) {
     var id = "#tweet_yshop_item";
     var tg = "";
     var ic = "http://i.yimg.jp/images/commerce/js/blogparts/twitter/1.0.0/tweetthis-teal16.png";
     var lh = location.href;
     var h1 = Y.one("h1");
     var tw = Y.one(id);
     if(h1 && tw){
         var st  = encodeURIComponent(h1.get('text').replace(/\n/g,'')+ " "+ lh.replace(/#(.*?)$/g,'')+" "+tg);
         var url = "http://twitter.com/home?status="+ st;
         tw.setContent('&nbsp;Twitterへ投稿（外部サイト）&nbsp;<a href="'+ url+'" target="_blank"><img src="'+ic+'" alt="つぶやく" style="vertical-align:text-bottom;" width="52" height="16"></'+'a>');
     }
  });
}