/* changed
    function quantityCopyForSingleShipping(product_index, shipment_product_index){
       var product_index = parseInt(product_index);
        var input_quantity = $('input[name^="quantity[' + product_index + ']"]').val();
        $('input[name^="shipment_quantity[0][' + shipment_product_index + ']"]').val(input_quantity);
    }
changed */
    function quantityCopyForSingleShipping(product_index, shipment_product_index){
        var product_index = parseInt(product_index);
        var input_quantity = $('input[name^="quantity[' + product_index + ']"]').val();
        $('input[name^="shipment_quantity[<!--{$top_shipping_id}-->][' + shipment_product_index + ']"]').val(input_quantity);
    }
// changed