Prestashop 1.6 how make - add to compare on checkbox?

What i know, it just code in product-list.tpl and in products-comparitions.js there are action on class "add_to_compare"

<div class="compare">
  <a class="add_to_compare" href="{$product.link|escape:'html':'UTF-8'}" data-id-product="{$product.id_product}">{l s='Add to Compare'}</a>
</div>

I need checkbox instead icon plus/minus