Html in CDATA not parsed

I load an xml-file into a textarea (using xml-connector) and I apply a stylesheet to it.
The maintext contains html, so ist marked as CDATA, but is just shows the html-code without parsing it :h:
Example:
http://www.medie.biz/humanprflash/temp.html
XML:
http://www.medie.biz/humanprflash/php-xml.php