Use this Pie Menu in your projects, it's simple and fully customizable!
Just link query.menu.js on your html document and Use html structure like bellow:
<div id='outer_container' class="outer_container" >
<a class="menu_button" href="#" title="Toggle"><span>Menu Toggle</span></a>
<ul class="menu_option">
<li><a href="#"><span>Item</span></a></li>
<li><a href="#"><span>Item</span></a></li>
<li><a href="#"><span>Item</span></a></li>
<li><a href="#"><span>Item</span></a></li>
<li><a href="#"><span>Item</span></a></li>
</ul>
</div>
JavaScript
$('#outer_container').PieMenu({
'starting_angel':0(Starting Angle in degree),
'angel_difference' : 90(Displacement angle in degree),
'radius':100 (circle radius in px),
});