【转】仿淘宝 智能追随菜单提示栏 智能浮动的菜单

<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js"></script>
<script type="text/javascript"> 
$.fn.smartFloat = function() {
    var position = function(element) {
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            }
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    return $(this).each(function() {
	position($(this));						 
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};
</script>
<script>
//绑定
$(document).ready(function(){
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});

<div id="nav_left_layout">
</div>