orientation

orientation - Specifies the orientation of the menu element. It can be vertical or horizontal.The menu orientation is horizontal by default.

<ul id="menu1">
    <li>Open</li>
	<li>Save</li>
	<li>Exit</li>
</ul>

<script type="text/javascript">

    $(function () {
        $("#menu1").shieldMenu({
            orientation: "vertical"
        });
     });

</script>