<div style="position:fixed; bottom:49px; right:1px; width:48px; height:48px; visibility:visible">
        <a href="#top"><img src="http://2img.net/i/fa/fdf3/up11.png"></a>
        </div> <div style="position:fixed; bottom:1px; right:1px; width:48px; height:48px; visibility:visible">
        <a href="#bottom"><img src="http://2img.net/i/fa/fdf3/down11.png"></a>
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