/**
 * 让div固定在页面底端
 *
 * @param 
 * @arrange (512.笔记) jb51.cc
 **/
<script type="text/javascript"
src="http://www.google.com/jsapi"></script>
<script type="text/javascript">
google.load("jquery","1.3.2");
google.setOnLoadCallback(function() {       
  var s = "";
  for (var i = 0; i < 100; i++) {
    s += "<div>這里是內容，很高</div>";         
  }    
  s += "<div>END</div>"
  $("#container").html(s);   
  function my_resize() {
    $("#container").height($("#right").height() - $("#copyright").outerHeight(true));
  };
  my_resize();
  $(window).resize(function() {
    my_resize();
  })
});
</script>

html,body {
  height: 100%;
  margin: 0;
  overflow: hidden;
}
#right {
  height: 100%;
  position: relative;
  background-color: Yellow;
}
#copyright {
  height: 20px;
  width: 100%;
  background-color: Gray; 
}
#container {
    height: 2000px;
  overflow-x: hidden;
  overflow-y: auto;
}

<div id="left"></div>
<div id="right">
    <div id="container">
    </div>
    <div id="copyright">Copyright &copy; 1999-2009,Michael Zhou,All Rights Reserved</div>
</div>