取得Session信息的JS库，session.js

     <p>Session.js -用于取得当前Session信息。</p>    <p>示例代码：</p>    <pre class="brush:javascript; toolbar: true; auto-links: false;"><script type='text/javascript'>   window.session = {   options: { gapi_location: true },   start: function(session){ // can also use window.session global.     if (session.first_session.visits > 1){       alert('Hi again from ' + session.location.address.city);     } else {       if (session.current_session.referrer_info.host.contains('非死book')){         alert('Hi there from '+ session.location.address.city +'. How about liking us on 非死book?');       } else if (session.current_session.search.engine){         alert('Did you find what you were looking for from ' + session.current_session.search.engine + '?');       }     }   } } </script> <script type='text/javascript' src="http://codejoust.github.com/session.js/session-0.4.js"></script></pre>    <p></p>    <p><strong>项目主页：</strong><a href="http://www.open-open.com/lib/view/home/1326242525843" target="_blank">http://www.open-open.com/lib/view/home/1326242525843</a></p>