Change target div SRC with @this src

mini-gallery.html.erb

        <div class="product-gallery container">
          <div class="col-md-12 main-image">
            <%= image_tag(p.product_images.first.src) %>
            <!-- To be populated with product feature image-->
          </div>
          <div class="mini-images col-md-12 col-xs-12">
            <% p.product_images.each do |img| %>
              <div class="col-md-4 col-xs-4 mini-image">
            <%= link_to(image_tag(img.src), "#") %>
            </div>
            <% end %>
          </div>
        </div>
<script>        
$( ".mini-img img" ).hover(
// I want the hovered thumb to display inside .main-image 
);
</script>