diff --git a/modules/cms_pack/controllers/admin/AdminCmsPackController.php b/modules/cms_pack/controllers/admin/AdminCmsPackController.php
index 179a9d1b..41861641 100644
--- a/modules/cms_pack/controllers/admin/AdminCmsPackController.php
+++ b/modules/cms_pack/controllers/admin/AdminCmsPackController.php
@@ -111,8 +111,10 @@ class AdminCmsPackController extends ModuleAdminController
 
     public function getPercentageReduction() 
     {
-        if (Validate::isLoadedObject($obj = $this->loadObject())) {
-            return $obj->getPercentageReduction();
+        if(Tools::getIsset('id_pack')) {
+            if (Validate::isLoadedObject($obj = $this->loadObject())) {
+                return $obj->getPercentageReduction();
+            }            
         }
     }
     
diff --git a/modules/cms_pack/pack.js b/modules/cms_pack/pack.js
index ed82253d..06ff5820 100644
--- a/modules/cms_pack/pack.js
+++ b/modules/cms_pack/pack.js
@@ -7,6 +7,24 @@ $(document).ready(function() {
 		addCmsPackToCart(".checkbox_add_bottom", ".pack_bottom");
 	});
 
+	updateInfo(".checkbox_add_right", ".pack_left");
+	$('.checkbox_add_right').on('click', function(e) {
+		updateInfo(".checkbox_add_right", ".pack_left");
+	});
+	$('.quantity_right').on('focusout', function(e) {
+		updateInfo(".checkbox_add_right", ".pack_left");
+	});
+
+
+	updateInfo(".checkbox_add_bottom", ".pack_bottom");
+	$('.checkbox_add_bottom').on('click', function(e) {
+		updateInfo(".checkbox_add_bottom", ".pack_bottom");
+	});
+	$('.quantity_bottom').on('focusout', function(e) {
+		updateInfo(".checkbox_add_bottom", ".pack_bottom");
+	});
+	
+
 	$('#layer_cart_pack .cross, .layer_cart_overlay_pack, #layer_cart_pack .continue.link').on('click',function(){
 		if($('#layer_cart_pack').hasClass('open') == true)
 			$('#layer_cart_pack').removeClass('open');
@@ -15,6 +33,20 @@ $(document).ready(function() {
 
 });
 
+
+function updateInfo(checkboxes, pack) {
+	var total = 0;
+	$(checkboxes).each(function( index ) {
+		if ($(this).is(':checked')) {
+			var idProduct = $(this).attr('name');
+			var quantity = $(pack+' input[name="quantity_'+idProduct+'"]').val();
+			var price = $(pack+' input[name="quantity_'+idProduct+'"]').data('product-price-nf');
+			total += (parseFloat(quantity)*parseFloat(price));
+		}
+	});
+	$(pack).find('.price_info').children('.price').html(parseFloat(total).toFixed(2) + " €");
+}
+
 function addCmsPackToCart(checkboxes, pack) {
 	var addProducts = [];
 	var html = "";
diff --git a/modules/cms_pack/views/templates/hook/pack_bottom.tpl b/modules/cms_pack/views/templates/hook/pack_bottom.tpl
index 78147a9b..3655e8e9 100644
--- a/modules/cms_pack/views/templates/hook/pack_bottom.tpl
+++ b/modules/cms_pack/views/templates/hook/pack_bottom.tpl
@@ -24,7 +24,7 @@
 								<div class="col-md-2 col-sm-3 col-xs-4">
 									<div class="quantity quantity_box">
 										<span class="change_quantity" data-action="down">-</span>
-										<input type="text" value="1" size="3" data-product-id="{$product->id}" data-product-price="{displayPrice price=$product->price}" data-product-name="{$product->name}" data-product-img="{$link->getImageLink($product->link_rewrite, $id_image.id_image, 'cart_default')|escape:'html':'UTF-8'}" name="quantity_{$product->id}" name="quantity_{$product->id}" class="product_add_{$product->id} quantity_bottom">
+										<input type="text" value="1" size="3" data-product-id="{$product->id}" data-product-price="{displayPrice price=$product->price}" data-product-price-nf="{$product->price}" data-product-name="{$product->name}" data-product-img="{$link->getImageLink($product->link_rewrite, $id_image.id_image, 'cart_default')|escape:'html':'UTF-8'}" name="quantity_{$product->id}" name="quantity_{$product->id}" class="product_add_{$product->id} quantity_bottom">
 										<span class="change_quantity" data-action="up">+</span>
 									</div>
 								</div>
@@ -92,6 +92,7 @@
 				}
 			}
 			$(input).val(new_value);
+			updateInfo(".checkbox_add_bottom", ".pack_bottom");
 		});
 	});
 </script>
diff --git a/modules/cms_pack/views/templates/hook/pack_left.tpl b/modules/cms_pack/views/templates/hook/pack_left.tpl
index def1d24a..20a79148 100644
--- a/modules/cms_pack/views/templates/hook/pack_left.tpl
+++ b/modules/cms_pack/views/templates/hook/pack_left.tpl
@@ -19,7 +19,7 @@
 							<p class="name">{$product->name}</p>
 							<div class="price">
 								<div class="quantity">
-									<input type="text" value="1" size="3" data-product-id="{$product->id}" data-product-price="{displayPrice price=$product->price}" data-product-name="{$product->name}" data-product-img="{$link->getImageLink($product->link_rewrite, $id_image.id_image, 'cart_default')|escape:'html':'UTF-8'}" name="quantity_{$product->id}" class="product_add_{$product->id} quantity_right">
+									<input type="text" value="1" size="3" data-product-id="{$product->id}" data-product-price="{displayPrice price=$product->price}"  data-product-price-nf="{$product->price}" data-product-name="{$product->name}" data-product-img="{$link->getImageLink($product->link_rewrite, $id_image.id_image, 'cart_default')|escape:'html':'UTF-8'}" name="quantity_{$product->id}" class="product_add_{$product->id} quantity_right">
 								</div>
 								<span> <span class="min">x</span> {displayPrice price=$product->price}</span>
 							</div>