jquery-PrintArea.js打印 （可指定某一區域打印）

<!--引入js文件-->
<script type="text/javascript" src="__JS__/jquery-1.7.2.min.js"></script>
<script type="text/javascript" src="__JS__/jquery-PrintArea.js"></script>
<script language="javascript">
    function preview(){
        $(".PrintArea").printArea();
    }
</script>

<!--HTML內容-->
<div class="main">
    <include file="Inc/left" />
    <div class="nei_right">
        <div class="ri_nav">承諾書下載</div>
        <div class="PrintArea">
            要打印的內容區域
        </div>
        <a target="_blank" onClick="preview()" class="mb">打印承諾書</a>
    </div>
    <div class="clear"></div>
</div>