diff --git a/themes/default/js/cart-summary.js b/themes/default/js/cart-summary.js
index ab9cd2070..0fead83ce 100644
--- a/themes/default/js/cart-summary.js
+++ b/themes/default/js/cart-summary.js
@@ -56,8 +56,8 @@ function cleanSelectAddressDelivery()
 			
 			$.each(options, function(i) {
 				if ($(options[i]).val() > 0
-					&& ($('#product_' + id_product + '_' + id_product_attribute + '_0_' + $(options[i]).val()).length === 0 // Check the address is not already used for a similare products
-						|| id_address_delivery === $(options[i]).val()
+					&& ($('#product_' + id_product + '_' + id_product_attribute + '_0_' + $(options[i]).val()).length == 0 // Check the address is not already used for a similare products
+						|| id_address_delivery == $(options[i]).val()
 					)
 				)
 					address_count++;
@@ -66,7 +66,7 @@ function cleanSelectAddressDelivery()
 			// Need at least two address to allow skipping products to multiple address
 			if (address_count < 2)
 				$($(item).find('option[value=-2]')).remove();
-			else if($($(item).find('option[value=-2]')).length === 0)
+			else if($($(item).find('option[value=-2]')).length == 0)
 				$(item).append($('<option value="-2">' + ShipToAnOtherAddress + '</option>'));
 		});
 	}
@@ -79,8 +79,8 @@ function changeAddressDelivery(obj)
 	var id_product_attribute = ids[4];
 	var old_id_address_delivery = ids[5];
 	var new_id_address_delivery = obj.val();
-	
-	if (new_id_address_delivery === old_id_address_delivery)
+
+	if (new_id_address_delivery == old_id_address_delivery)
 		return;
 	
 	if (new_id_address_delivery > 0) // Change the delivery address
@@ -92,7 +92,7 @@ function changeAddressDelivery(obj)
 			async: true,
 			cache: false,
 			dataType: 'json',
-			data: 'controller=cart&ajax=true&changeAddressDelivery&summary&id_product='+id_product
+			data: 'controller=cart&ajax=true&changeAddressDelivery=1&summary=1&id_product='+id_product
 				+'&id_product_attribute='+id_product_attribute
 				+'&old_id_address_delivery='+old_id_address_delivery
 				+'&new_id_address_delivery='+new_id_address_delivery
@@ -100,7 +100,7 @@ function changeAddressDelivery(obj)
 				+'&allow_refresh=1',
 			success: function(jsonData)
 			{
-				if (typeof(jsonData.hasErrors) !== 'undefined' && jsonData.hasErrors)
+				if (typeof(jsonData.hasErrors) != 'undefined' && jsonData.hasErrors)
 				{
 					alert(jsonData.error);
 					// Reset the old address
@@ -126,7 +126,7 @@ function changeAddressDelivery(obj)
 						$('.product_'+id_product+'_'+id_product_attribute+'_0_'+old_id_address_delivery).remove();
 					}
 					
-					if (window.ajaxCart !== undefined)
+					if (window.ajaxCart != undefined)
 						ajaxCart.refresh();
 					updateAddressId(id_product, id_product_attribute, old_id_address_delivery, new_id_address_delivery);
 					cleanSelectAddressDelivery();
@@ -150,7 +150,7 @@ function changeAddressDelivery(obj)
 		var options = $('#select_address_delivery_'+id_product+'_'+id_product_attribute+'_'+old_id_address_delivery+' option');
 		$.each(options, function(i) {
 			if ($(options[i]).val() > 0 && $(options[i]).val() !== old_id_address_delivery
-				&& $('#product_' + id_product + '_' + id_product_attribute + '_0_' + $(options[i]).val()).length === 0 // Check the address is not already used for a similare products
+				&& $('#product_' + id_product + '_' + id_product_attribute + '_0_' + $(options[i]).val()).length == 0 // Check the address is not already used for a similare products
 			)
 			{
 				id_address_delivery = $(options[i]).val();
@@ -208,7 +208,7 @@ function changeAddressDelivery(obj)
 
 function updateAddressId(id_product, id_product_attribute, old_id_address_delivery, id_address_delivery, line)
 {
-	if (typeof(line) === 'undefined')
+	if (typeof(line) == 'undefined')
 		line = $('#product_' + id_product+'_' + id_product_attribute + '_0_' + old_id_address_delivery);
 	
 	line.attr('id', 'product_' + id_product+'_' + id_product_attribute + '_0_' + id_address_delivery);
@@ -230,7 +230,7 @@ function updateQty(val, cart, el)
 {
 	var prefix = "";
 	
-	if (typeof(cart) === 'undefined' || cart)
+	if (typeof(cart) == 'undefined' || cart)
 		prefix = '#order-detail-content ';
 	else
 		prefix = '#fancybox-content ';
@@ -238,7 +238,7 @@ function updateQty(val, cart, el)
 	var id = $(el).attr('name');
 	var exp = new RegExp("^[0-9]+$");
 
-	if (exp.test(val) === true)
+	if (exp.test(val) == true)
 	{
 		var hidden = $(prefix+'input[name='+ id +'_hidden]').val();
 		var input = $(prefix+'input[name='+ id +']').val();
@@ -300,9 +300,9 @@ function deleteProductFromSummary(id)
 			{
 				if (jsonData.refresh)
 					location.reload();
-				if (parseInt(jsonData.summary.products.length) === 0)
+				if (parseInt(jsonData.summary.products.length) == 0)
 				{
-					if (typeof(orderProcess) === 'undefined' || orderProcess !== 'order-opc')
+					if (typeof(orderProcess) == 'undefined' || orderProcess !== 'order-opc')
 						document.location.href = document.location.href; // redirection
 					else
 					{
@@ -329,9 +329,9 @@ function deleteProductFromSummary(id)
 
 					var exist = false;
 					for (i=0;i<jsonData.summary.products.length;i++)
-						if (jsonData.summary.products[i].id_product === productId
-							&& jsonData.summary.products[i].id_product_attribute === productAttributeId
-							&& jsonData.summary.products[i].id_address_delivery === id_address_delivery)
+						if (jsonData.summary.products[i].id_product == productId
+							&& jsonData.summary.products[i].id_product_attribute == productAttributeId
+							&& jsonData.summary.products[i].id_address_delivery == id_address_delivery)
 							exist = true;
 
 					// if all customization removed => delete product line
@@ -363,7 +363,7 @@ function refreshOddRow()
 	var even_class = 'even';
 	$.each($('.cart_item'), function(i, it)
 	{
-		if (i === 0) // First item
+		if (i == 0) // First item
 		{
 			if ($(this).hasClass('even'))
 			{
@@ -382,7 +382,7 @@ function refreshOddRow()
 
 function upQuantity(id, qty)
 {
-	if (typeof(qty) === 'undefined' || !qty)
+	if (typeof(qty) == 'undefined' || !qty)
 		qty = 1;
 	var customizationId = 0;
 	var productId = 0;
@@ -453,7 +453,7 @@ function downQuantity(id, qty)
 {
 	var val = $('input[name=quantity_'+id+']').val();
 	var newVal = val;
-	if(typeof(qty) === 'undefined' || !qty)
+	if(typeof(qty) == 'undefined' || !qty)
 	{
 		qty = 1;
 		newVal = val - 1;
@@ -519,7 +519,7 @@ function downQuantity(id, qty)
 					updateHookShoppingCart(jsonData.HOOK_SHOPPING_CART);
 					updateHookShoppingCartExtra(jsonData.HOOK_SHOPPING_CART_EXTRA);
 					
-					if (newVal === 0)
+					if (newVal == 0)
 						$('#product_'+id).hide();
 					
 					if (typeof(getCarrierListAndUpdate) !== 'undefined')
@@ -547,7 +547,7 @@ function updateCartSummary(json)
 	var i;
 	var nbrProducts = 0;
 
-	if (typeof json === 'undefined')
+	if (typeof json == 'undefined')
 		return;
 		
 	$('div.error').fadeOut();		
@@ -570,7 +570,7 @@ function updateCartSummary(json)
 	{
 		for (i=0;i<json.gift_products.length;i++)
 		{
-			if (typeof(product_list[json.gift_products[i].id_product+'_'+json.gift_products[i].id_product_attribute+'_'+json.gift_products[i].id_address_delivery]) === 'undefined')
+			if (typeof(product_list[json.gift_products[i].id_product+'_'+json.gift_products[i].id_product_attribute+'_'+json.gift_products[i].id_address_delivery]) == 'undefined')
 				product_list[json.gift_products[i].id_product+'_'+json.gift_products[i].id_product_attribute+'_'+json.gift_products[i].id_address_delivery] = json.gift_products[i];
 		}
 	}
@@ -624,14 +624,14 @@ function updateCartSummary(json)
 	}
 
 	// Update discounts
-	if (json.discounts.length === 0)
+	if (json.discounts.length == 0)
 	{
 		$('.cart_discount').each(function(){$(this).remove();});
 		$('.cart_total_voucher').remove();
 	}
 	else
 	{
-		if ($('.cart_discount').length === 0)
+		if ($('.cart_discount').length == 0)
 			location.reload();
 
 		if (priceDisplayMethod !== 0)
@@ -645,7 +645,7 @@ function updateCartSummary(json)
 
 			for (i=0;i<json.discounts.length;i++)
 			{
-				if (json.discounts[i].id_discount === idElmt)
+				if (json.discounts[i].id_discount == idElmt)
 				{
 					if (json.discounts[i].value_real !== '!')
 					{
@@ -767,7 +767,7 @@ function refreshDeliveryOptions()
 	$.each($('.delivery_option_radio'), function() {
 		if ($(this).prop('checked'))
 		{
-			if ($(this).parent().find('.delivery_option_carrier.not-displayable').length === 0)
+			if ($(this).parent().find('.delivery_option_carrier.not-displayable').length == 0)
 				$(this).parent().find('.delivery_option_carrier').show();
 			var carrier_id_list = $(this).val().split(',');
 			carrier_id_list.pop();
diff --git a/themes/default/js/order-opc.js b/themes/default/js/order-opc.js
index b8a78d3ee..00fcdf133 100644
--- a/themes/default/js/order-opc.js
+++ b/themes/default/js/order-opc.js
@@ -70,8 +70,8 @@ function updatePaymentMethodsDisplay()
 
 function updateAddressSelection()
 {
-	var idAddress_delivery = ($('#opc_id_address_delivery').length === 1 ? $('#opc_id_address_delivery').val() : $('#id_address_delivery').val());
-	var idAddress_invoice = ($('#opc_id_address_invoice').length === 1 ? $('#opc_id_address_invoice').val() : ($('#addressesAreEquals:checked').length === 1 ? idAddress_delivery : ($('#id_address_invoice').length === 1 ? $('#id_address_invoice').val() : idAddress_delivery)));
+	var idAddress_delivery = ($('#opc_id_address_delivery').length == 1 ? $('#opc_id_address_delivery').val() : $('#id_address_delivery').val());
+	var idAddress_invoice = ($('#opc_id_address_invoice').length == 1 ? $('#opc_id_address_invoice').val() : ($('#addressesAreEquals:checked').length == 1 ? idAddress_delivery : ($('#id_address_invoice').length == 1 ? $('#id_address_invoice').val() : idAddress_delivery)));
 
 	$('#opc_account-overlay').fadeIn('slow');
 	$('#opc_delivery_methods-overlay').fadeIn('slow');
@@ -148,7 +148,7 @@ function updateAddressSelection()
 				updateCartSummary(jsonData.summary);
 				updateHookShoppingCart(jsonData.HOOK_SHOPPING_CART);
 				updateHookShoppingCartExtra(jsonData.HOOK_SHOPPING_CART_EXTRA);
-				if ($('#gift-price').length === 1)
+				if ($('#gift-price').length == 1)
 					$('#gift-price').html(jsonData.gift_price);
 				$('#opc_account-overlay, #opc_delivery_methods-overlay, #opc_payment_methods-overlay').fadeOut('slow');
 			}
@@ -202,7 +202,7 @@ function updateCarrierSelectionAndGift()
 		if ($(this).prop('checked'))
 			delivery_option_params += $(delivery_option_radio[i]).attr('name') + '=' + $(delivery_option_radio[i]).val() + '&';
 	});
-	if (delivery_option_params === '&')
+	if (delivery_option_params == '&')
 		delivery_option_params = '&delivery_option=&';
 
 	if ($('input#recyclable:checked').length)
@@ -270,7 +270,7 @@ function confirmFreeOrder()
 		success: function(html)
 		{
 			var array_split = html.split(':');
-			if (array_split[0] === 'freeorder')
+			if (array_split[0] == 'freeorder')
 			{
 				if (isGuest)
 					document.location.href = guestTrackingUrl+'?id_order='+encodeURIComponent(array_split[1])+'&email='+encodeURIComponent(array_split[2]);
@@ -290,24 +290,24 @@ function saveAddress(type)
 	if (type !== 'delivery' && type !== 'invoice')
 		return false;
 	
-	var params = 'firstname='+encodeURIComponent($('#firstname'+(type === 'invoice' ? '_invoice' : '')).val())+'&lastname='+encodeURIComponent($('#lastname'+(type === 'invoice' ? '_invoice' : '')).val())+'&';
-	params += 'company='+encodeURIComponent($('#company'+(type === 'invoice' ? '_invoice' : '')).val())+'&';
-	params += 'vat_number='+encodeURIComponent($('#vat_number'+(type === 'invoice' ? '_invoice' : '')).val())+'&';
-	params += 'dni='+encodeURIComponent($('#dni'+(type === 'invoice' ? '_invoice' : '')).val())+'&';
-	params += 'address1='+encodeURIComponent($('#address1'+(type === 'invoice' ? '_invoice' : '')).val())+'&';
-	params += 'address2='+encodeURIComponent($('#address2'+(type === 'invoice' ? '_invoice' : '')).val())+'&';
-	params += 'postcode='+encodeURIComponent($('#postcode'+(type === 'invoice' ? '_invoice' : '')).val())+'&';
-	params += 'city='+encodeURIComponent($('#city'+(type === 'invoice' ? '_invoice' : '')).val())+'&';
+	var params = 'firstname='+encodeURIComponent($('#firstname'+(type == 'invoice' ? '_invoice' : '')).val())+'&lastname='+encodeURIComponent($('#lastname'+(type == 'invoice' ? '_invoice' : '')).val())+'&';
+	params += 'company='+encodeURIComponent($('#company'+(type == 'invoice' ? '_invoice' : '')).val())+'&';
+	params += 'vat_number='+encodeURIComponent($('#vat_number'+(type == 'invoice' ? '_invoice' : '')).val())+'&';
+	params += 'dni='+encodeURIComponent($('#dni'+(type == 'invoice' ? '_invoice' : '')).val())+'&';
+	params += 'address1='+encodeURIComponent($('#address1'+(type == 'invoice' ? '_invoice' : '')).val())+'&';
+	params += 'address2='+encodeURIComponent($('#address2'+(type == 'invoice' ? '_invoice' : '')).val())+'&';
+	params += 'postcode='+encodeURIComponent($('#postcode'+(type == 'invoice' ? '_invoice' : '')).val())+'&';
+	params += 'city='+encodeURIComponent($('#city'+(type == 'invoice' ? '_invoice' : '')).val())+'&';
 	params += 'id_country='+encodeURIComponent($('#id_country').val())+'&';
-	if ($('#id_state'+(type === 'invoice' ? '_invoice' : '')).val())
-		params += 'id_state='+encodeURIComponent($('#id_state'+(type === 'invoice' ? '_invoice' : '')).val())+'&';
-	params += 'other='+encodeURIComponent($('#other'+(type === 'invoice' ? '_invoice' : '')).val())+'&';
-	params += 'phone='+encodeURIComponent($('#phone'+(type === 'invoice' ? '_invoice' : '')).val())+'&';
-	params += 'phone_mobile='+encodeURIComponent($('#phone_mobile'+(type === 'invoice' ? '_invoice' : '')).val())+'&';
-	params += 'alias='+encodeURIComponent($('#alias'+(type === 'invoice' ? '_invoice' : '')).val())+'&';
-	if (type === 'delivery' && $('#opc_id_address_delivery').val() != undefined && parseInt($('#opc_id_address_delivery').val()) > 0)
+	if ($('#id_state'+(type == 'invoice' ? '_invoice' : '')).val())
+		params += 'id_state='+encodeURIComponent($('#id_state'+(type == 'invoice' ? '_invoice' : '')).val())+'&';
+	params += 'other='+encodeURIComponent($('#other'+(type == 'invoice' ? '_invoice' : '')).val())+'&';
+	params += 'phone='+encodeURIComponent($('#phone'+(type == 'invoice' ? '_invoice' : '')).val())+'&';
+	params += 'phone_mobile='+encodeURIComponent($('#phone_mobile'+(type == 'invoice' ? '_invoice' : '')).val())+'&';
+	params += 'alias='+encodeURIComponent($('#alias'+(type == 'invoice' ? '_invoice' : '')).val())+'&';
+	if (type == 'delivery' && $('#opc_id_address_delivery').val() != undefined && parseInt($('#opc_id_address_delivery').val()) > 0)
 		params += 'opc_id_address_delivery='+encodeURIComponent($('#opc_id_address_delivery').val())+'&';
-	if (type === 'invoice' && $('#opc_id_address_invoice').val() != undefined && parseInt($('#opc_id_address_invoice').val()) > 0)			
+	if (type == 'invoice' && $('#opc_id_address_invoice').val() != undefined && parseInt($('#opc_id_address_invoice').val()) > 0)			
 		params += 'opc_id_address_invoice='+encodeURIComponent($('#opc_id_address_invoice').val())+'&';		
 	// Clean the last &
 	params = params.substr(0, params.length-1);
@@ -377,13 +377,13 @@ function updateNewAccountToAddressBlock()
 		success: function(json)
 		{
 			isLogged = 1;
-			if (json.no_address === 1)
+			if (json.no_address == 1)
 				document.location.href = addressUrl;
 			
 			$('#opc_new_account').fadeOut('fast', function() {
 				$('#opc_new_account').html(json.order_opc_adress);
 				// update block user info
-				if (json.block_user_info !== '' && $('#header_user').length === 1)
+				if (json.block_user_info !== '' && $('#header_user').length == 1)
 				{
 					$('#header_user').fadeOut('slow', function() {
 						$(this).attr('id', 'header_user_old').after(json.block_user_info).fadeIn('slow');
@@ -402,7 +402,7 @@ function updateNewAccountToAddressBlock()
 					updateCarrierList(json.carrier_data);
 					updateCarrierSelectionAndGift();
 					updatePaymentMethods(json);
-					if ($('#gift-price').length === 1)
+					if ($('#gift-price').length == 1)
 						$('#gift-price').html(json.gift_price);
 					$('#opc_delivery_methods-overlay, #opc_payment_methods-overlay').fadeOut('slow');
 				});
@@ -524,7 +524,7 @@ $(function() {
 			var callingFile = '';
 			var params = '';
 
-			if (parseInt($('#opc_id_customer').val()) === 0)
+			if (parseInt($('#opc_id_customer').val()) == 0)
 			{
 				callingFile = authenticationUrl;
 				params = 'submitAccount=true&';
@@ -596,7 +596,7 @@ $(function() {
 						});
 					}
 
-					isGuest = parseInt($('#is_new_customer').val()) === 1 ? 0 : 1;
+					isGuest = parseInt($('#is_new_customer').val()) == 1 ? 0 : 1;
 					// update addresses id
 					if(jsonData.id_address_delivery !== undefined && jsonData.id_address_delivery > 0)
 						$('#opc_id_address_delivery').val(jsonData.id_address_delivery);
@@ -668,7 +668,7 @@ function bindCheckbox()
 	if ($('#invoice_address:checked').length > 0)
 	{
 		$('#opc_invoice_address').slideDown('slow');
-		if ($('#company_invoice').val() === '')
+		if ($('#company_invoice').val() == '')
 			$('#vat_number_block_invoice').hide();
 		updateState('invoice');
 		updateNeedIDNumber('invoice');