When I click on "Asus" checkbox the result is all models of "Asus" with all 'sizes', good. But when I click on "Asus" AND "15''" checkboxes both, the result is all models of this size including "Acer" and so on. How it must work( at least in my imagination:)) - click both on "Asus" and "15''" and get data relating only to clicked (checked) checkboxes.When I click on "Asus" checkbox the result is a