function onchange_compute() {
	if (document.getElementById('LengthLoan').value <= 0)
		document.getElementById('LengthLoan').value='0';
	document.getElementById('MonthPayment').value=Math.round(((document.getElementById('AmountLoanHidden').value*(document.getElementById('InterestLoanHidden').value/1200))/(1-(Math.pow((1/(1+(document.getElementById('InterestLoanHidden').value/1200))),(document.getElementById('LengthLoan').value*12))))));
	if (isNaN(document.getElementById('MonthPayment').value))
		document.getElementById('MonthPayment').value='0';
}
function onchangeAmountLoan_compute() {
	if (document.getElementById('AmountLoan').value <= 0)
		document.getElementById('AmountLoan').value='0';
	var str;
	str = document.getElementById('AmountLoan').value;
	document.getElementById('AmountLoanHidden').value = str.replace(",",".");
	document.getElementById('MonthPayment').value=Math.round(((document.getElementById('AmountLoanHidden').value*(document.getElementById('InterestLoanHidden').value/1200))/(1-(Math.pow((1/(1+(document.getElementById('InterestLoanHidden').value/1200))),(document.getElementById('LengthLoan').value*12))))));
	if (isNaN(document.getElementById('MonthPayment').value))
		document.getElementById('MonthPayment').value='0';
}

function onchangeInterestLoan_compute() {
	if (document.getElementById('InterestLoan').value <= 0)
		document.getElementById('InterestLoan').value='0';
	var str;
	str = document.getElementById('InterestLoan').value;
	document.getElementById('InterestLoanHidden').value = str.replace(",",".");
	document.getElementById('MonthPayment').value= Math.round(((document.getElementById('AmountLoanHidden').value*(document.getElementById('InterestLoanHidden').value/1200))/(1-(Math.pow((1/(1+(document.getElementById('InterestLoanHidden').value/1200))),(document.getElementById('LengthLoan').value*12))))));
	if (isNaN(document.getElementById('MonthPayment').value))
	{
		document.getElementById('MonthPayment').value='0';
		}else
		
		{document.getElementById('MonthPayment').value=document.getElementById('MonthPayment').value + ' EUR (' + Math.round((document.getElementById('MonthPayment').value*30.1260)*100)/100 + ' Sk)'}
}
function ProductCode_onchange() {
	document.getElementById('InterestLoan').value = document.getElementById('ProductCode').options[document.getElementById('ProductCode').selectedIndex].value
	if (document.getElementById('InterestLoan').value <= 0)
		document.getElementById('InterestLoan').value='0';
	document.getElementById('InterestLoanHidden').value = document.getElementById('InterestLoan').value
	document.getElementById('MonthPayment').value=Math.round(((document.getElementById('AmountLoanHidden').value*(document.getElementById('InterestLoanHidden').value/1200))/(1-(Math.pow((1/(1+(document.getElementById('InterestLoanHidden').value/1200))),(document.getElementById('LengthLoan').value*12))))));
	if (isNaN(document.getElementById('MonthPayment').value))
		document.getElementById('MonthPayment').value='0';
}