Function getAvailableContentTypes
Extracts the available content-types from the database
Creates an array $a_content[type][number] = content string f.e. $a_content['CMS_HTML'][1] = content string Same for array $a_description
		
		Package: Core\Backend
Copyright: four for business AG <www.4fb.de>
License: http://www.contenido.org/license/LIZENZ.txt
Author: Jan Lengowski
Located at includes/functions.general.php
	
	Copyright: four for business AG <www.4fb.de>
License: http://www.contenido.org/license/LIZENZ.txt
Author: Jan Lengowski
Located at includes/functions.general.php
| integer | $idartlang | Language specific ID of the arcticle |