I want to open this sub menu in button click not on hover
<div id="container" style="width: 250px;">
<ul id="filter-menu-button-menu">
<li><a href="#"><span class="ui-icon ui-icon-disk"></span>A</a>
</li>
<li><a href="#"><span class="ui-icon ui-icon-disk"></span>B</a>
</li>
<li><a href="#"><span class="ui-icon ui-icon-folder-open"></span>C</a>
<ul>
<li><a href="#">1A</a>
</li>
<li><a href="#">1B</a>
</li>
<li><a href="#">1C</a>
</li>
<li><a href="#">1D</a>
</li>
<li><a href="#">1E</a>
<ul>
<li><span class="ui-icon ui-icon-trash"></span><a href="#">1</a>
</li>
<li><span class="ui-icon ui-icon-trash"></span><a href="#">2</a>
</li>
<li><span class="ui-icon ui-icon-trash"></span><a href="#">3</a>
</li>
<li><span class="ui-icon ui-icon-trash"></span><a href="#">4</a>
</li>
<li><span class="ui-icon ui-icon-trash"></span><a href="#">5</a>
</li>
<li><span class="ui-icon ui-icon-trash"></span><a href="#">6</a>
</li>
<li><span class="ui-icon ui-icon-trash"></span><a href="#">7</a>
</li>
<li><span class="ui-icon ui-icon-trash"></span><a href="#">8</a>
</li>
</ul>
</li>
<li><a href="#">1F</a>
<ul>
<li><span class="ui-icon ui-icon-trash"></span><a href="#">1</a>
</li>
<li><span class="ui-icon ui-icon-trash"></span><a href="#">2</a>
</li>
<li><span class="ui-icon ui-icon-trash"></span><a href="#">3</a>
</li>
<li><span class="ui-icon ui-icon-trash"></span><a href="#">4</a>
</li>
<li><span class="ui-icon ui-icon-trash"></span><a href="#">5</a>
</li>
</ul>
</li>
</ul>
</li>
</ul>
</div>
jquery code
$('#filter-menu-button-menu').menu({
"position": {
collision: 'flipfit'
}
});
every thing is working fine, but i want to open sub menu in click of menu Item instead of hover.
here is js fiddle link http://jsfiddle.net/apaul34208/tAH6a/17/
Thanks in advence