How to fade out Add to cart Pop up in prestashop 1.6.1.3 default theme

[Zen_j1]

Hello can some help to fade out add to cart popup after 3 sec in prestashop 1.6.1.3 default theme so customer can continue shopping. At this time pop up show confirmation with continue shopping and checkout it stay there till closes it this need to be done for every product. I need popup to fade out in 3 sec.  

[erouvier29]

/themes/default-bootstrap/js/modules/blockcart/ajax-cart.js, from line 731

updateLayer : function(product){
    $('#layer_cart_product_title').text(product.name);
    $('#layer_cart_product_attributes').text('');
    if (product.hasAttributes && product.hasAttributes == true)
        $('#layer_cart_product_attributes').html(product.attributes);
    $('#layer_cart_product_price').text(product.price);
    $('#layer_cart_product_quantity').text(product.quantity);
    $('.layer_cart_img').html('<img class="layer_cart_img img-responsive" src="' + product.image + '" alt="' + product.name + '" title="' + product.name + '" />');

    var n = parseInt($(window).scrollTop()) + 'px';

    $('.layer_cart_overlay').css('width','100%');
    $('.layer_cart_overlay').css('height','100%');
    $('.layer_cart_overlay').show();
    $('#layer_cart').css({'top': n}).fadeIn('fast');
    crossselling_serialScroll();

    // ADD THIS
    setTimeout(function() {
        $('.layer_cart_overlay').hide();
        $('#layer_cart').fadeOut('slow');
    }, 3000);
},

 

[Zen_j1]

Thank you it work