// JavaScript Document

function check_fcprofit() {
	document.ecalopt.ofcprofit.disabled = document.ecalopt.onopc.checked;
}

function tglppop() {
	if (document.ecalopt.onopp.checked == true) {
		document.ecalopt.paypal_nazione.disabled = true;
		document.ecalopt.paypal_rate.disabled = true;
	}
	else {
		document.ecalopt.paypal_nazione.disabled = false;
		document.ecalopt.paypal_rate.disabled = false;
	}
}

function check_pprate() {
	ppcr = document.ecalopt.paypal_rate.selectedIndex;
	if (
		(document.ecalopt.paypal_nazione.selectedIndex == 1) 
		||
		(document.ecalopt.paypal_nazione.selectedIndex == 3) 
		||
		(document.ecalopt.paypal_nazione.selectedIndex == 4) 
		||
		(document.ecalopt.paypal_nazione.selectedIndex == 5) 
	   )
	{
		if (document.ecalopt.paypal_rate.options.length == 4) 
			document.ecalopt.paypal_rate.options[4] = new Option('Commercianti (fascia IV)', 'merchant4'); 
	}
	else {
		if (ppcr == 4)
			ppcr = 3;
		document.ecalopt.paypal_rate.options.length = 4;
		document.ecalopt.paypal_rate.selectedIndex = ppcr;
	}
}