SO fiddle

Test Fiddle mainly for SO Questions

by Nick Craver

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.4/themes/overcast/jquery-ui.css">
            <ul>
            <li class="level-0 page_item page-item-264"><a href="http://www.domain.com.php5-15.dfw1-1.websitetestlink.com/wordpress/?page_id=264" title="Ca$h Rulez">Ca$h Rulez</a>
<ul class='children'>
    <li class="level-1 page_item page-item-266"><a href="http://www.domain.com.php5-15.dfw1-1.websitetestlink.com/wordpress/?page_id=266" title="1994">1994</a></li>

    <li class="level-1 page_item page-item-268"><a href="http://www.domain.com.php5-15.dfw1-1.websitetestlink.com/wordpress/?page_id=268" title="1995">1995</a></li>
    <li class="level-1 page_item page-item-270"><a href="http://www.domain.com.php5-15.dfw1-1.websitetestlink.com/wordpress/?page_id=270" title="1996">1996</a></li>
    <li class="level-1 page_item page-item-272"><a href="http://www.domain.com.php5-15.dfw1-1.websitetestlink.com/wordpress/?page_id=272" title="1997">1997</a></li>
    <li class="level-1 page_item page-item-274"><a href="http://www.domain.com.php5-15.dfw1-1.websitetestlink.com/wordpress/?page_id=274" title="1998">1998</a></li>
    <li class="level-1 page_item page-item-276"><a href="http://www.domain.com.php5-15.dfw1-1.websitetestlink.com/wordpress/?page_id=276" title="1999">1999</a></li>
    <li class="level-1 page_item page-item-278"><a href="http://www.domain.com.php5-15.dfw1-1.websitetestlink.com/wordpress/?page_id=278" title="2000">2000</a></li>

    <li class="level-1 page_item page-item-280"><a href="http://www.domain.com.php5-15.dfw1-1.websitetestlink.com/wordpress/?page_id=280" title="2001">2001</a></li>
</ul>
</li>
<li class="level-0 page_item page-item-101"><a href="http://www.domain.com.php5-15.dfw1-1.websitetestlink.com/wordpress/?page_id=101" title="Furlough">Furlough</a>
<ul class='children'>
    <li class="level-1 page_item page-item-103"><a href="http://www.domain.com.php5-15.dfw1-1.websitetestlink.com/wordpress/?page_id=103"...

CSS

ul ul { display: none; }

JavaScript

$(".level-0 > a").click(function() {
   $(this).siblings('.children').toggle();
   return false;
});