Scriptaculous - Stacking SlideDowns?

Hmm, even though the slide down effect works, it doesn't "push" the content beneath the section that slides open, down the page.  It opens on top of it:

<ul class="menu-handle">
			<li class="menu-handle"><a href="#" onclick="Effect.SlideDown('1', {literal}{duration: 0.5}{/literal});">Click here</a>
				<ul id="1" class="menu-content" style="display:none">
					<li class="menu-content">Some text</li>
				</ul>
			</li>
			
			<li class="menu-handle"><a href="#" onclick="Effect.SlideDown('2', {literal}{duration: 0.5}{/literal});">Click here</a>
				<ul id="2" class="menu-content" style="display:none">
					<li class="menu-content">Some text</li>
				</ul>
			</li>
			
			<li class="menu-handle"><a href="#" onclick="Effect.SlideDown('3', {literal}{duration: 0.5}{/literal});">Click here</a>
				<ul id="3" class="menu-content" style="display:none">
					<li class="menu-content">Some text</li>
				</ul>
			</li>
		</ul>

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