@thmelissourgos,
<blockquote> I had started a thread a week ago about it but the people who work at the forum can’t help me with something so advanced. </blockquote>
I wonder if you mean this thread? I have just replied you in that thread, please have a look.
If you have any question regarding JA K2 Filter component, please raise your question in this forum, our support team is always available to get your question answered as soon as possible.
Regrading customization request or new feature request, if it does not go beyond scope of our support, we are always happy to help you. Make sure you have read our support policy that has just been updated at:
http://www.joomlart.com/joomlart/support-policy