function newTotalCost() {
  
  price = document.getElementById('currentPrice');
  price = price.value;
  price = price.replace(",", ".");
  
  nrItems = document.getElementById('orderformNrOfItems');
  
  if (isNaN(nrItems.value)) {nrItems.value = 1;}
  
  totalPrice = nrItems.value * price;
  totalPrice = totalPrice.toFixed(2);
  totalPrice = "€"+totalPrice;
  totalPrice = totalPrice.replace(".", ",");
  totalcost = document.getElementById('totalCost');
  totalcost.innerHTML = totalPrice;
}