function show_pay() {
 if ((document.getElementById('mortgage_amount').value == null || document.getElementById('mortgage_amount').value == 0))
 {
 // do nothing
 }
 else
 {
 var princ = document.getElementById('mortgage_amount').value;
 princ = princ.replace('.','');
 var term = document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text;
 var birim = document.getElementById('para_birim_multi').options[document.getElementById('para_birim_multi').selectedIndex].text;
if (document.getElementById('kredi_tur1').checked) {
 if (birim == 'TL') {
     //var intr = 1.84; // ytl oran yeni nesi
    if (term < 60) {
        var intr = 0.94;
    } else if ( term < 121 ) { 
        var intr = 1.04;
    } else {
        var intr = 1.15;
    }
 } else if (birim == 'JPY') {
     var intr = 0.41;
 } else if (birim == 'USD') {
     //if (term > 60) var intr = 0.82; else var intr = 0.73; // dolar oran yeni nesi
     var intr = 0.99;
 } else if (birim == 'EUR') {
     //if (term > 60) var intr = 0.85; else var intr = 0.80; // euro oran yeni nesi
     var intr = 0.99;
 } else if (birim == 'CHF') {
     if (term > 60) var intr = 0.55; else var intr = 0.51;
 }
}
else if (document.getElementById('kredi_tur2').checked) {
birim = "TL";
 //var intr = 1.83; // maksimum ev paketi
    if (term < 60) {
        var intr = 0.94;
    } else if ( term < 120 ) { 
        var intr = 1.04;
    } else {
        var intr = 1.15;
    }
}
else if (document.getElementById('kredi_tur3').checked) {
birim = "TL";
 if (document.getElementById('katki1').checked) {
 if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 12) {
 var intr = 0.98;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 18) {
 var intr = 0.98;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 24) {
 var intr = 0.98;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 36) {
 var intr = 0.98;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 48) {
 var intr = 0.98;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 60) {
 var intr = 0.98;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 72) {
 var intr = 1.08;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 84) {
 var intr = 1.08;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 96) {
 var intr = 1.08;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 108) {
 var intr = 1.08;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 120) {
 var intr = 1.08;
 }
 }
 if (document.getElementById('katki2').checked) {
 if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 12) {
 var intr = 1.40;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 18) {
 var intr = 1.50;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 24) {
 var intr = 1.55;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 36) {
 var intr = 1.58;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 48) {
 var intr = 1.61;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 60) {
 var intr = 1.63;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 72) {
 var intr = 1.63;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 84) {
 var intr = 1.64;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 96) {
 var intr = 1.64;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 108) {
 var intr = 1.64;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 120) {
 var intr = 1.65;
 }
 }
 if (document.getElementById('katki3').checked) {
 if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 12) {
 var intr = 1.24;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 18) {
 var intr = 1.39;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 24) {
 var intr = 1.46;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 36) {
 var intr = 1.52;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 48) {
 var intr = 1.59;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 60) {
 var intr = 1.59;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 72) {
 var intr = 1.60;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 84) {
 var intr = 1.60;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 96) {
 var intr = 1.61;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 108) {
 var intr = 1.62;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 120) {
 var intr = 1.62;
 }
 }
 if (document.getElementById('katki4').checked) {
 if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 12) {
 var intr = 1.08;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 18) {
 var intr = 1.27;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 24) {
 var intr = 1.38;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 36) {
 var intr = 1.46;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 48) {
 var intr = 1.54;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 60) {
 var intr = 1.55;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 72) {
 var intr = 1.56;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 84) {
 var intr = 1.57;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 96) {
 var intr = 1.59;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 108) {
 var intr = 1.59;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 120) {
 var intr = 1.60;
 }
 }
 if (document.getElementById('katki5').checked) {
 if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 12) {
 var intr = 0.91;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 18) {
 var intr = 1.16;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 24) {
 var intr = 1.29;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 36) {
 var intr = 1.40;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 48) {
 var intr = 1.47;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 60) {
 var intr = 1.51;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 72) {
 var intr = 1.52;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 84) {
 var intr = 1.54;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 96) {
 var intr = 1.56;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 108) {
 var intr = 1.57;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 120) {
 var intr = 1.58;
 }
 }
 if (document.getElementById('katki6').checked) {
 if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 12) {
 var intr = 0.75;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 18) {
 var intr = 1.04;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 24) {
 var intr = 1.20;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 36) {
 var intr = 1.34;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 48) {
 var intr = 1.42;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 60) {
 var intr = 1.47;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 72) {
 var intr = 1.49;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 84) {
 var intr = 1.51;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 96) {
 var intr = 1.53;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 108) {
 var intr = 1.54;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 120) {
 var intr = 1.55;
 }
 }
 if (document.getElementById('katki7').checked) {
 if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 12) {
 var intr = 0.58;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 18) {
 var intr = 0.93;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 24) {
 var intr = 1.11;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 36) {
 var intr = 1.28;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 48) {
 var intr = 1.37;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 60) {
 var intr = 1.43;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 72) {
 var intr = 1.46;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 84) {
 var intr = 1.48;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 96) {
 var intr = 1.50;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 108) {
 var intr = 1.52;
 } else if (document.getElementById('mortgage_length').options[document.getElementById('mortgage_length').selectedIndex].text == 120) {
 var intr = 1.53;
 }
 }
 }
 var intrrate = intr / 100;

if (document.getElementById('hesaplama1').checked) {
// var payment = princ * (1 - (Math.pow(1/(1 + intrrate), term))) / intrrate;
 var payment = princ * (Math.pow((1+intrrate), term) - 1) / (Math.pow((1+intrrate), term) * intrrate);
 document.getElementById('hesaplama_tur').innerHTML = "Kredi";
 document.getElementById('hesaplama_tur2').innerHTML = "Ödeyebileceğiniz aylık taksit";
} else {
// var payment = princ * intrrate / (1 - (Math.pow(1/(1 + intrrate), term)));
 var payment = princ * ((Math.pow((1+intrrate), term) * intrrate) / (Math.pow((1+intrrate), term) - 1));
 document.getElementById('hesaplama_tur').innerHTML = "Aylık Taksit";
 document.getElementById('hesaplama_tur2').innerHTML = "Kullanmak istediğiniz kredi";
}

 document.getElementById('faiz').value = intr;
 document.getElementById('birim_goster').innerHTML = birim;
 document.getElementById('mortgage_payment').innerHTML = doFiyat(payment.toFixed(0), '.');
 }
}

function toggleDiv(element){
document.getElementById('yeni_nesil').style.background='#F0F1F0';
document.getElementById('maksimum').style.background='#F0F1F0';
//document.getElementById('indirimli').style.background='#F0F1F0';
 if(document.getElementById('kredi_tur1').checked)
 {
 //1.document.getElementById('birim_multi').style.
 document.getElementById('birim_multi').style.display='inline';
 document.getElementById('birim_ytl').style.display='none';
 document.getElementById('yeni_nesil').style.background='#CADEFA';
 } else {
 document.getElementById('birim_multi').style.display='none';
 document.getElementById('birim_ytl').style.display='inline';
 }
 if(document.getElementById('kredi_tur2').checked)
 {
 //2.
 document.getElementById('maksimum').style.background='#CADEFA';
 }
 // if(document.getElementById('kredi_tur3').checked)
 //{
 //3.
 //document.getElementById('indirimli').style.background='#CADEFA';
 //document.getElementById('dropper').style.display = 'inline';
 //}
 //else {
 //document.getElementById('dropper').style.display = 'none';
 //}
}