function calcPrice(result) {	
	var cena, pocet;
	
	cena = document.getElementById('orderCalcPrice').value;
	cenax = document.getElementById('orderCalcPricex').value;
	pocet = document.getElementById('orderPieces').value;
	
	if (!(cena * pocet)) {
		pocet = 1;
		
		if (result == 1) {
			alert('Prosím do počtu kusov zadávajte iba čísla !');
			document.getElementById('orderPieces').value = 1;
		}
	}
	
	document.getElementById('orderPriceText').innerHTML = (cenax * pocet) + ' € / ' + (cena * pocet) + ' Sk';
}

function swapOrderImage(file) {	
	document.getElementById('orderImage').src = "./Assets/images/" + file;	
}