<div id="content_tools">
  <ul class="tools tools_buttons">
    <li class="icon flag<%= item.flagged? ? ' flagged' : '' %>" data-id="<%= item.id %>" title="Mark this item as a Favorite"></li>
<!-- where HIDE was previously positioned -->
<li class="toggle unpublish" data-id="<%= item.id %>" title="Show or hide this item on your Fan Page">HIDE</li>    --->
 </ul>
</div>


<!-- now that it's in this new ul, it stopped working -->
 <ul class="tools_hide"><li class="toggle unpublish" data-id="<%= item.id %>" title="Show or hide this item on your Fan Page">HIDE</li></ul>