function hesapla() {
document.getElementById('taksityok').style.display='none'


kdvsiz = document.aspnetForm.metrekare.value*document.aspnetForm.INSATURU.value
document.aspnetForm.kdvsiz.value=formatCurrency(kdvsiz)

hizmetbedeli1 = kdvsiz*document.aspnetForm.KATSAYI.value
hizmetbedeli = hizmetbedeli1/100
document.aspnetForm.hizmetbedeli.value=formatCurrency(hizmetbedeli)


hizmetbedelikdvsi = hizmetbedeli*0.18
document.aspnetForm.hizmetbedelikdv.value=formatCurrency(hizmetbedelikdvsi)

hizmetbedelikdvli = hizmetbedelikdvsi+hizmetbedeli
document.aspnetForm.hizmetbedelikdvli.value=formatCurrency(hizmetbedelikdvli)

hizmetbedelikdvli2 = hizmetbedelikdvli+0
document.aspnetForm.hizmetbedelikdvli2.value=formatCurrency(hizmetbedelikdvli2)

if (!(document.aspnetForm.metrekare.value > 1000)){
document.getElementById('taksityok').style.display='block'
document.aspnetForm.hizmetbedelikdv20.value = ''
document.aspnetForm.hizmetbedelikdvli40.value = ''
document.aspnetForm.hizmetbedelikdvli202.value = ''
document.aspnetForm.hizmetbedelikdvli15.value = ''
document.aspnetForm.hizmetbedelikdvli5.value = ''
return
}


hizmetbedelikdv20 = hizmetbedelikdvli*0.20
document.aspnetForm.hizmetbedelikdv20.value=formatCurrency(hizmetbedelikdv20)

  hizmetbedelikdvli40 = hizmetbedelikdvli*0.40
document.aspnetForm.hizmetbedelikdvli40.value=formatCurrency(hizmetbedelikdvli40)

  hizmetbedelikdvli202 = hizmetbedelikdvli*0.20
document.aspnetForm.hizmetbedelikdvli202.value=formatCurrency(hizmetbedelikdvli202)

  hizmetbedelikdvli15 = hizmetbedelikdvli*0.15
document.aspnetForm.hizmetbedelikdvli15.value=formatCurrency(hizmetbedelikdvli15)

  hizmetbedelikdvli5 = hizmetbedelikdvli*0.05
document.aspnetForm.hizmetbedelikdvli5.value=formatCurrency(hizmetbedelikdvli5)

document.aspnetForm.kdvsiz.value=formatCurrency(kdvsiz)
document.aspnetForm.hizmetbedeli.value=formatCurrency(hizmetbedeli)
}

function goster(secme)
{
var endeks, secilenSure

	endeks=secme.selectedIndex
	secilenSure=secme.options[endeks].text
    if (endeks == 1) //(secilenSure == "0-6 AY")
	{
    	document.aspnetForm.KATSAYI.value= "2.57"
		} 

if (endeks == 2) //(secilenSure == "1 YIL")
	{
    	document.aspnetForm.KATSAYI.value= "2.71"
		}
	if (endeks == 3) //(secilenSure == "1.5 YIL")
	{
    	document.aspnetForm.KATSAYI.value= "2.85"
		}
if (endeks == 4) //(secilenSure == "2 YIL")
	{
    	document.aspnetForm.KATSAYI.value="3.00"
		}
if (endeks == 5) //(secilenSure == "2.5 YIL")
	{
    	document.aspnetForm.KATSAYI.value="3.30"
		}
	if (endeks == 6) //(secilenSure == "3 YIL")
	{
    	document.aspnetForm.KATSAYI.value= "3.63"
		}
if (endeks == 7) //(secilenSure == "3.5 YIL")
	{
    	document.aspnetForm.KATSAYI.value= "3.99"
		}
if (endeks == 8) //(secilenSure == "4 YIL")
	{
    	document.aspnetForm.KATSAYI.value= "4.39"
		}
if (endeks == 9) //(secilenSure == "4.5 YIL")
	{
    	document.aspnetForm.KATSAYI.value= "4.83"
		}
if (endeks == 10) //(secilenSure == "5 YIL")
	{
    	document.aspnetForm.KATSAYI.value= "5.31"
		}
	}

function goster2(secme)
{
var endeks, secilenSure

	endeks=secme.selectedIndex
	secilenSure=secme.options[endeks].text

         if (secilenSure == "1/A")
	{
    	document.aspnetForm.INSATURU.value= "73"
		}if (secilenSure == "1/B")
	{
    	document.aspnetForm.INSATURU.value= "127"
		}if (secilenSure == "2/A")
	{
    	document.aspnetForm.INSATURU.value= "201"
		}if (secilenSure == "2/B")
	{
    	document.aspnetForm.INSATURU.value= "276"
		}if (secilenSure == "3/A")
	{
    	document.aspnetForm.INSATURU.value= "448"
		}if (secilenSure == "3/B")
	{
    	document.aspnetForm.INSATURU.value= "511"
		}if (secilenSure == "4/A")
	{
    	document.aspnetForm.INSATURU.value= "577"
		}if (secilenSure == "4/B")
	{
    	document.aspnetForm.INSATURU.value= "640"
		}if (secilenSure == "4/C")
	{
    	document.aspnetForm.INSATURU.value= "761"
		}if (secilenSure == "5/A")
	{
    	document.aspnetForm.INSATURU.value= "945"
		}if (secilenSure == "5/B")
	{
    	document.aspnetForm.INSATURU.value= "1144"
		}if (secilenSure == "5/C")
	{
    	document.aspnetForm.INSATURU.value= "1279"
		}
	if (secilenSure == "5/D")
	{
    	document.aspnetForm.INSATURU.value= "1559"
		}
	}
	
function formatCurrency(num) {
<!-- YTL mantığı -->
num = num.toString().replace(/\$|\,/g,'');
if(isNaN(num)) num = "0";
cents = Math.floor((num*100+0.5)%100);
num = Math.floor((num*100+0.5)/100).toString();
if(cents < 10) cents = "0" + cents;
for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)
num = num.substring(0,num.length-(4*i+3))+','+num.substring(num.length-(4*i+3));
return (num + "." + cents);
}