<?xml version="1.0"?>
<config>
  <modules>
    <HEKA_Catalog>
     <active>true</active>
    <codePool>local</codePool>
   </HEKA_Catalog>
  </modules>
</config>

<?xml version="1.0"?>
<config>
<modules>
<HEKA_Catalog>
  <version>1.0</version>
</HEKA_Catalog>
</modules>

<global>
<models>
  <catalog>
    <rewrite>
      <product>HEKA_Catalog_Model_Product</product>
    </rewrite>
  </catalog>
</models>
</global>
</config>

<?php
class HEKA_Catalog_Model_Product extends Mage_Catalog_Model_Product
{
function getDescription(){
$processor = Mage::getModel('core/email_template_filter');
$html = $processor->filter($this->getData('description'));
return $html;
}
}