var submitJmForm = false;

function confirmSubmit() {
	return submitJmForm;
}
	
function jmReCalc() {
    if (isNaN(document.jmForm.summa.value))
        document.jmForm.summa.value = 0;
    else if (document.jmForm.summa.value < 2000 && document.jmForm.summa.value != 0)
		document.jmForm.summa.value = 2000;
	else if (document.jmForm.summa.value > 100000)
		document.jmForm.summa.value = 100000;
	if (document.jmForm.summa.value < 20000 && getPeriood() > 48)
		document.jmForm.periood[3].selected = true;
	document.jmForm.sissemaks.value = document.jmForm.summa.value * document.jmForm.sissemaksProtsent.value / 100;
	document.jmForm.kuumaks.value = Math.round(((0.16 / 12) * ((document.jmForm.summa.value - document.jmForm.sissemaks.value)) / (1 - (1 / Math.pow((0.16 / 12) + 1, getPeriood())))));
}

function getPeriood() {
	for (var i = 0; i < document.jmForm.periood.length; i++) {
            if (document.jmForm.periood[i].selected) return(document.jmForm.periood[i].value);
        }
}

function checkPeriood() {
	summa = document.jmForm.summa.value;
	if (summa < 20000 && getPeriood() > 48)
		document.jmForm.periood[3].selected = true;
}

function checkData() {
	if(document.jmForm.nimi.value == "" || document.jmForm.isikukood.value == "" || document.jmForm.dokumentnr.value == "" || document.jmForm.pank.value == ""
	   || document.jmForm.linn.value == "" || document.jmForm.telefon.value == "" || document.jmForm.hpKontoNr.value == "" || document.jmForm.tookoht.value == "" 
  	   || document.jmForm.tookohtalates.value == ""  || document.jmForm.amet.value == "")
		document.jmForm.submit.disabled = true;
	else
		document.jmForm.submit.disabled = false;
}