Hello,
Try something like this adding some CSS rules to get it smarter
<div id="MyToggle_link" onclick="$('#MyToggle').toggle('slow',function(){window.scrollTo(0,window.innerHeight+300);});">
Your text [⇅] ... (or button) <input type="button" value="Expand/Collapse ⇅">
</div><!-- Start expand -->
<div id="MyToggle" style="display:none;color:#f55" onclick="document.getElementById('up_down').style.display='none'">
Lorem ipsum dolor sit amet, consectetur adipiscing elit, set eiusmod tempor incidunt et labore et dolore magna aliquam...
</div>
Ben/