function IntToStr(i)
{
	i = Math.round(i*100)/100;
	s = new String(i);
	if (s.indexOf(".")==-1) s = s + ".00";
	else if (s.indexOf(".")==(s.length - 2)) s = s + "0";
	return s;
}

function roundEx(x, dgt)
{
	var p, n;
	p = Math.floor(Math.pow(10,dgt));
	(x>0) ? n = Math.floor(x) : n = Math.ceil(x);
	return(n + Math.round((x-n)*p)/p);
}

function raschot()
{	

	/*
	cena = document.calculator.cena.value;
	avans =  document.calculator.iavans.value / 100;
	*/
	
	var cena = document.getElementById("cena").value;
	
	var avans = document.getElementById("iavans").value / 100;
	//alert(avans);
	//return;
	//alert(11);
	//return;
	if (
		//document.calculator.cena.value > 4000
		document.getElementById("cena").value > 4000
		)  
	{
		window.alert("Pirkuma maksa nevar pārsniegt 4000 Ls");
    }
    else if (
    	//document.calculator.cena.value < 35
    	document.getElementById("cena").value < 35
    	)
    {
		window.alert("Pirkuma maksa nevar būt mazākā par 35 Ls");
    }
    if (cena - cena * avans > 2000) 
    {
		window.alert("Minimāla pirmā iemaksa " + Math.ceil((cena - 2000)/cena*100) + "%");
    } 
    else
    {
    	
	var month; var kontrol; var stavka; var apkp;
    	if (
    		//document.calculator.tarif.value == "1"
    		document.getElementById("tarif").value == "1"
    		)
		{
			if (
				//document.calculator.cena.value < 500
				document.getElementById("cena").value < 500
				)
	  		{
				if (	//(document.calculator.month.value >= 1) && (document.calculator.month.value <= 18)
						(document.getElementById("month").value >= 1) && (document.getElementById("month").value <= 18)
					)
				{
					//month=document.calculator.month.value;
					month=document.getElementById("month").value;
					kontrol = 0.03;
					stavka = 0.189;
					apkp = 0.004;
				}
      	
				if (
					//(document.calculator.month.value >= 19) && (document.calculator.month.value <= 36)
					(document.getElementById("month").value >= 19) && (document.getElementById("month").value <= 36)
					)
				{
					//month=document.calculator.month.value;
					month=document.getElementById("month").value;
					kontrol = 0.03;
					stavka = 0.194;
					apkp = 0.004;
				}
			}
		
			if (
				//document.calculator.cena.value >= 500
				document.getElementById("cena").value >= 500
				)
			{
				if (
					//(document.calculator.month.value >= 1) && (document.calculator.month.value <= 18)
					(document.getElementById("month").value >= 1) && (document.getElementById("month").value <= 18)
					)
				{
					//month=document.calculator.month.value;
					month=document.getElementById("month").value;
					
					kontrol = 0.04;
					stavka = 0.151;
					apkp = 0.005;
				}
      	
				if (
					//(document.calculator.month.value >= 19) && (document.calculator.month.value <= 36)
					(document.getElementById("month").value >= 19) && (document.getElementById("month").value <= 36)
					)
				{
					//month=document.calculator.month.value;
					month=document.getElementById("month").value;
					
					kontrol = 0.04;
					stavka = 0.166;
					apkp = 0.005;
				}
			}
		}
    	
		
		if (
			//document.calculator.tarif.value == "2"
			document.getElementById("tarif").value == "2"
			
			)
		{
			//month=document.calculator.month.value;
			month=document.getElementById("month").value;
			
			kontrol = 0;
			stavka = 0.149;
			apkp = 0.005;
		}
		
    	
		if (
			//document.calculator.tarif.value == "3"
			document.getElementById("tarif").value == "3"

			)
		{
			if (
				//(document.calculator.month.value >= 1) && (document.calculator.month.value <= 36)
				(document.getElementById("month").value >= 1) && (document.getElementById("month").value <= 36)
				)
			{
				//month=document.calculator.month.value;
				month=document.getElementById("month").value;
				kontrol = 0;
				stavka = 0.23;
				apkp = 0.005;
			}
		}
		
		if (
			//document.calculator.tarif.value == "4"
			document.getElementById("tarif").value == "4"
			)
		{
			if (
				//(document.calculator.month.value >= 1) && (document.calculator.month.value <= 36)
				(document.getElementById("month").value >= 1) && (document.getElementById("month").value <= 36)
				)
			{
				//month=document.calculator.month.value;
				month=document.getElementById("month").value;
				kontrol = 0;
				stavka = 0;
				apkp = 0;
			}
		}
      
		var kontrolls = cena * kontrol;
		var avansz = cena * avans;
		var apkpz= cena * apkp;
		var vznos = kontrolls + avansz;
		var ostatok = cena - avansz;
		
		if (stavka == 0) 
		{
			jezemesja4no = ostatok / month; 
		}
		else
		{ 
			jezemesja4no = (ostatok * stavka / 12) / (1 - Math.pow((1 + (stavka / 12)),-month)); 
		}
		
		samajasumma = jezemesja4no + apkpz;
		itogo = vznos + samajasumma*month;
		vznos = Math.round(vznos*100)/100;
		samajasumma = Math.round(samajasumma*100)/100;
		vsego = samajasumma * month;
		
		/*
		document.calculator.kontrol.value = IntToStr(kontrol * 100);
		document.calculator.avans.value = IntToStr(avans * 100);
		document.calculator.stavka.value = IntToStr(stavka * 100);
		document.calculator.usluga.value = IntToStr(apkp * 100);
		document.calculator.vznos.value = IntToStr(vznos);
		document.calculator.everymonth.value = IntToStr(samajasumma);
		*/
		
		document.getElementById("kontrol").innerHTML = IntToStr(kontrol * 100);
		document.getElementById("avans").innerHTML = IntToStr(avans * 100);
		document.getElementById("stavka").innerHTML = IntToStr(stavka * 100);
		document.getElementById("usluga").innerHTML = IntToStr(apkp * 100);
		document.getElementById("vznos").innerHTML = IntToStr(vznos);
		document.getElementById("everymonth").innerHTML = IntToStr(samajasumma);
		
	}
}
//-->