<footer>
  <p class="ft-copyright">强仔仔 Design by Linzhiqaing 蜀ICP备11002373号-1</p>
  <div id="tbox">
    <div id="log_id" style="float:left;position: relative;margin-left: -400px;margin-bottom:-5px;display: none">
      <img src="images/weixing-ma.jpg">
    </div>
    <div style="float:right;"><a id="togbook" href="#顶部的一个ID"></a></div>
    <div style="float:left"><a id="gotop"></a></div>
  </div>
</footer>

<footer>
  <p class="ft-copyright">强仔仔 Design by Linzhiqaing 蜀ICP备11002373号-1</p>
  <div id="tbox">
    <div id="log_id" style="float:left;position: relative;margin-left: -400px;margin-bottom:-5px;display: none">
      <img src="images/weixing-ma.jpg">
    </div>
    <div style="float:right;"><a id="togbook" href="#"></a></div>
    <div style="float:left"><a id="gotop"></a></div>
  </div>
</footer>
<script type="text/javascript">
  $("#gotop").click(function () {
    var speed=200;//滑动的速度
    $('body,html').animate({ scrollTop: 0 }, speed);
    return false;
  });
</script>