function calcPrice(amountText) {
	amount = parseInt(document.getElementById("maara").value);
	if (isNaN(amount) || amount <= 0) {
        document.getElementById("hinta").textContent = "";
	  document.getElementById("yhteensa").textContent = "";
	}
	else {
        type = document.getElementById("tyyppi").selectedIndex;
        price = 17.21;
        if (amount >= 10) price = 16.0;
        if (amount >= 25) price = 15.0;
        if (amount >= 50) price = 14.0;
        if (amount >= 100) price = 12.0;
        if (amount >= 250) price = 10.0;
        if (type == 0) {
	    if (amount >= 50) price += 3.0;
    	    else price += 4.0;
        }
    	  else if (type == 1) {
	    if (amount >= 50) price += 1.5;
    	    else price += 2.0;
        }
        document.getElementById("hinta").textContent = price.toFixed(2) + " €";
        document.getElementById("yhteensa").textContent = (price * amount).toFixed(2) + " € (+alv 23%)";
    	}
}

function calcPersonalPrice(amountText) {
	amount = parseInt(document.getElementById("maara").value);
	if (isNaN(amount) || amount <= 0) {
	  document.getElementById("yhteensa").textContent = "";
	}
	else {
    price = 20;
	  document.getElementById("yhteensa").textContent = (price * amount).toFixed(2);
  }
}