$elements['sideblock_category']=<<<eot
<div id='panelCategory' class="panel">
<h5 style="cursor: pointer" onclick='showhidediv("sideblock_category");'>{title}</h5>
<div class="panel-content" id="sideblock_category" style="display: {ifextend}">
{content}
</div>
</div>
eot;