return emty tags "<div></div>". i'm still not understand reason, but i've found that the ".'/../../components/'.$option" part is not necessary because it make a wrong path
# Toolbar not visible in Product Form Popup under Joomla! 1.5
# Task #1634 - Attribute name with äöüß not work
# Task #1638 - Layout Tabs not working in Internet Explorer
# Task #1640 - require_once virtuemart_parser.php in virtuemart.php
# Task #1643 - Error message in "Parameters of Product Type"
# Category won't save when no WYSIWYG Editor is enabled [http://forum.virtuemart.net/index.php?topic=35170.0]
# Toolbar not visible in Product Form Popup under Joomla! 1.5
# Task #1634 - Attribute name with äöüß not work
# Task #1638 - Layout Tabs not working in Internet Explorer
# Task #1640 - require_once virtuemart_parser.php in virtuemart.php
# Task #1643 - Error message in "Parameters of Product Type"
# Category won't save when no WYSIWYG Editor is enabled [http://forum.virtuemart.net/index.php?topic=35170.0]