Hi,
Please read carefully what I wrote
The "rel handler" you have is the mootools lightbox system which is provided by Joomla itself.
I never wrote that it was mootools, but I wrote it was "mootools lightbox system" ; it means that it is a lightbox system which use mootools.
There is a nuance which had his importance.
So, if you read the rest of my message, I wrote that you have to use another popup system in HikaShop.
Please follow my indications.
The mootools modal (SqueezeBox) is provided by the javascript file "/media/system/js/modal.js" and is available since Joomla 1.5 and is still available in Joomla 3.4.
The only (and unique) way to use that SqueezeBox is to put a rel on a "a" link.
The other solution is to use another popup system ; like I suggested you in my previous message.
API Joomla for JHTML::_('behavior.modal')
api.joomla.org/cms-3/classes/JHtmlBehavior.html#method_modal
More details about the API of behavior.modal
api.joomla.fr/joomla25/d1/d74/classJHtml...5128b86e49164b9b7a5d
Example of use of modal in Joomla from docs.joomla website:
docs.joomla.org/Creating_a_modal_form_field
Regards,