document.write('<div class="flash">');
document.write('<ul class="bxslider">');
document.write('<li><a href="/"> <img src="/Up/day_160929/20160929110122.jpg" alt="图片1" /></a></li><li><a href="/"> <img src="/Up/day_160929/201609291144004.jpg" alt="图片2" /></a></li>');
document.write('</ul></div> ');
$('.bxslider').bxSlider({
          adaptiveHeight: true,
          infiniteLoop: true,
          hideControlOnEnd: true,
          auto:true
        });