function updateShippingCosts(selectObject) {
            
            shipping = new Array();
            shipping[1] = '6,20';
            shipping[2] = '12,00';
            shipping[3] = '17,25';
            shipping[4] = '7,95';
            
            var shippingCosts = shipping[parseInt(selectObject.value)];
            var totalCostsProducts = document.getElementById('totalCostsProducts').innerHTML;
            var totalCosts = 0;
            
            shippingCosts = shippingCosts.replace('.', '');
            shippingCosts = shippingCosts.replace(',', '.'); 
            shippingCosts = parseFloat(shippingCosts);
            
            totalCostsProducts = totalCostsProducts.replace('.', '');
            totalCostsProducts = totalCostsProducts.replace(',', '.');
            totalCostsProducts = parseFloat(totalCostsProducts);
             
            totalCosts = shippingCosts + totalCostsProducts;
            
            shippingCosts = shippingCosts.toFixed(2);
            totalCosts = totalCosts.toFixed(2);
            
            document.getElementById('shippingCosts').innerHTML = shippingCosts.replace('.', ',');
            document.getElementById('totalCosts').innerHTML = totalCosts.replace('.', ','); 
        
        }