document.write("              <table class=\"hot_nav\" cellspacing=\"0\">\r\n                <tr>\r\n                  <td class=\"hot_nav_c\">\r\n                    ==<span>热门关键词导航</span>==<br />\r\n                    <a href=\"/Tag.aspx?keyword=%E7%99%8C%E7%97%87\">癌症</a> | <a href=\"/Tag.aspx?keyword=%E5%9F%8E%E5%B8%82\">城市</a> | <a href=\"/Tag.aspx?keyword=%E9%BB%91%E7%8C%A9%E7%8C%A9\">黑猩猩</a> | <a href=\"/Tag.aspx?keyword=%E5%A4%A7%E8%82%A0%E6%9D%86%E8%8F%8C\">大肠杆菌</a> | <a href=\"/Tag.aspx?keyword=%E5%85%B3%E9%94%AE%E5%9B%A0%E5%AD%90\">关键因子</a> | <a href=\"/Tag.aspx?keyword=%E2%80%9C%E9%81%97%E4%BC%A0%E6%97%B6%E9%92%9F%E2%80%9D\">“遗传时钟”</a> | <a href=\"/Tag.aspx?keyword=%E7%99%BD%E8%9A%81\">白蚁</a> | <a href=\"/Tag.aspx?keyword=%E8%A2%8B%E9%BC%A0\">袋鼠</a>\r\n                  </td>\r\n                </tr>\r\n              </table>\r\n")