/**
* Render block
* @return string
*/
public function renderView()
{
$design = Mage::getDesign();
$oldArea = $design->getArea();
$oldPackageName = $design->getPackageName();
$design->setArea('adminhtml');
$design->setPackageName(Mage::getStoreConfig('design/package/name', Mage::app()->getStore()->getId()));
$result = parent::renderView();
$design->setArea($oldArea);
$design->setPackageName($oldPackageName);
return $result;
}