function getTax()
{
if (noTax)
return 0;
var selectedTax = document.getElementById('id_tax');
var taxId = selectedTax.options[selectedTax.selectedIndex].value;
return taxesArray[taxId];
}
function formatPrice(price)
{
var fixedToSix = (Math.round(price * 1000000) / 1000000);
return (Math.round(fixedToSix) == fixedToSix + 0.000001 ? fixedToSix + 0.000001 : fixedToSix);
}
function calcPriceTI()
{
var tax = getTax();
var priceTE = parseFloat(document.getElementById('priceTE').value.replace(/,/g, '.'));
var newPrice = priceTE * ((tax / 100) + 1);
document.getElementById('priceTI').value = (isNaN(newPrice) == true || newPrice < 0) ? '' :
formatPrice(newPrice).toFixed(6);
document.getElementById('finalPrice').innerHTML = (isNaN(newPrice) == true || newPrice < 0) ? '' :
formatPrice(newPrice).toFixed(2);
calcReduction();
}
function calcPriceTE()
{
var tax = getTax();
var priceTI = parseFloat(document.getElementById('priceTI').value.replace(/,/g, '.'));
var newPrice = priceTI / ((tax / 100) + 1);
document.getElementById('priceTE').value = (isNaN(newPrice) == true || newPrice < 0) ? '' :
floorf(newPrice, 6);
document.getElementById('finalPrice').innerHTML = (isNaN(newPrice) == true || newPrice < 0) ? '' :
formatPrice(priceTI).toFixed(2);
calcReduction();
}
function calcReduction()
{
if (parseFloat(document.getElementById('reduction_price').value) > 0)
reductionPrice();
else if (parseFloat(document.getElementById('reduction_percent').value) > 0)
reductionPercent();
}
function reductionPrice()
{
var price = document.getElementById('priceTI');
var newprice = document.getElementById('finalPrice');
var rprice = document.getElementById('reduction_price');
document.getElementById('reduction_percent').value = 0;
if (parseFloat(price.value) <= parseFloat(rprice.value))
rprice.value = price.value;
if (parseFloat(rprice.value) < 0 || isNaN(parseFloat(price.value)))
rprice.value = 0;
newprice.innerHTML = (price.value - rprice.value).toFixed(2);
}
function reductionPercent()
{
var price = document.getElementById('priceTI');
var newprice = document.getElementById('finalPrice');
var rpercent = document.getElementById('reduction_percent');
document.getElementById('reduction_price').value = 0;
if (parseFloat(rpercent.value) >= 100)
rpercent.value = 100;
if (parseFloat(rpercent.value) < 0)
rpercent.value = 0;
newprice.innerHTML = (price.value * (1 - (rpercent.value / 100))).toFixed(2);
}