在側邊欄加個浮動Facebook粉絲框 http://sofree.cc/sliding-fb-box/

step1.html

<script src="//ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js"></script>

step2.html

<script type="text/javascript">
$(document).ready(function() {
  $(".fbbox").hover(function(){
      $(this).stop().animate({right: "0"}, "medium");
      }, function(){
        $(this).stop().animate({right: "-250"}, "medium");
  }, 500);
});
</script>
<div class="fbbox" style="">
  <div>
    <iframe src="http://www.facebook.com/plugins/likebox.php?href=http%3A%2F%2Ffacebook.com%2Fsofreecc&amp;width=245&amp;colorscheme=light&amp;show_faces=true&amp; connections=9&amp;stream=false&amp;header=false&amp;height=270" scrolling="no" frameborder="0" scrolling="no" style="border: medium none; overflow: hidden; height: 270px; width: 245px;background:#fff;"></iframe>
  </div>
</div>

step3.css

.fbbox{background: url("http://a.imageshack.us/img525/9882/47256382.png") no-repeat scroll left center transparent !important;display: block;float: right;height: 270px;padding: 0 5px 0 46px;width: 245px;z-index: 99999;position:fixed;right:-250px;top:20%;}
.fbbox div{border:none;position:relative;display:block;}
.fbbox span{bottom: 12px;font: 8px "lucida grande",tahoma,verdana,arial,sans-serif;position: absolute;right: 6px;text-align: right;z-index: 99999;}
.fbbox span a{color: #808080;text-decoration:none;}
.fbbox span a:hover{text-decoration:underline;}