/* 
** Kalkulator kosztów kredytu 
**
** (c) 2013 www.digitalmoney.pl 
*/


document.write('<style type="text/css">');
document.write('.backgw {');
document.write('background-color:#FFFFFF;');
document.write('vertical-align:top;');
document.write('margin:0px;');
document.write('padding:0px;');
document.write('width:300px;');
document.write('border:solid 1px;');
document.write('border-color:#B0B0B0;');
document.write('}');
document.write('.name_nag{');
document.write('line-height:18px;');
document.write('text-align:center;');
document.write('font-weight: bold;');
document.write('font-family: Arial;');
document.write('font-size:14px;');
document.write('color:#FFFFFF;');
document.write('background-color:#FFFFFF;');
document.write('margin-bottom: 2px;');
document.write('margin-left: 0px;');
document.write('margin-right: 0px;');
document.write('margin-top: 0px;');
document.write('}');
document.write('.row_name{');
document.write('margin-left:2px;');
document.write('text-align: left;');
document.write('font-family: Arial;'); 
document.write('font-size:12px;'); 
document.write('color:#00000D;');
document.write('}');
document.write('.input_name{');
document.write('border:1px solid #FFFFFF;'); 
document.write('width:60px; text-align:right;');
document.write('font-size:12px;'); 
document.write('padding-right:2px;');
document.write('}');
document.write('.advert{');
document.write('text-align:middle;');
document.write('color:#4c4c4c;'); 
document.write('font-size:11px;'); 
document.write('font-family:Arial;');
document.write('text-decoration:none;');
document.write('}');
document.write('.advert a{');
document.write('text-align:middle;');
document.write('color:#4c4c4c;'); 
document.write('font-size:11px;'); 
document.write('font-family:Arial;');
document.write('text-decoration:none;');
document.write('}');
document.write('.input_button{');
document.write('text-align:center;');
document.write('}');
document.write('.cb{');
document.write('border: 1px solid #adadad;');
document.write('}');
document.write('</style>');

function oblicz_rate()
{
var kwota = document.forms['dane'].kwota.value;
var oproc = document.forms['dane'].oproc.value;
var liczba_rat = document.forms['dane'].liczba_rat.value;
var prowizja = document.forms['dane'].prowizja.value;
var pozostale = parseFloat(document.forms['dane'].pozostale.value);
var stopadost = oproc/100/12;
var kwotap = kwota*(prowizja/100+1) + pozostale;
var prowkwota = prowizja / 100*kwota;
var rata_stala =Math.round(100*(kwotap * stopadost)* Math.pow((stopadost+1),liczba_rat)/((Math.pow((stopadost+1),liczba_rat)-1)))/100;
var calosc = Math.round(100*rata_stala*liczba_rat)/100;
var odsetki = Math.round(100*(calosc-kwota))/100;
var dosplaty= Math.round(100 * rata_stala * liczba_rat)/100;
var odsetkiproc = parseFloat(dosplaty - kwota)/dosplaty *100;
var oprnom = (12*(95*liczba_rat+ 9)*odsetki)/((1 + parseFloat(liczba_rat))*12*parseFloat(liczba_rat)*(4*kwota+odsetki)); 
var rrso = Math.round((Math.pow(1+oprnom/12,12)-1)*10000)/100;
var adres = '<p class="name_nag">Podsumowanie <br/></p><table><tr class="row_name"><td>Rata kredytu:</td><td><input type="text" value="'+ rata_stala+ '" class="input_name" READONLY> PLN</td></tr><tr class="row_name"><td>Całkowita kwota do spłaty:</td><td><input type="text" value="'+calosc+'" class="input_name" READONLY> PLN</td></tr><tr class="row_name"><td>Odsetki:</td><td><input type="text" value="'+odsetki+'" class="input_name" READONLY> PLN</td></tr><tr class="row_name"><td>RRSO:</td><td><input type="text" value="'+ rrso + '" class="input_name" READONLY> %</td></tr></table><img src="http://chart.apis.google.com/chart?chs=250x100&chd=t:'+ (100-odsetkiproc) + ','+odsetkiproc+'&cht=p3&chl= Kapital|Odsetki" alt="Rzeczywisty koszt kredytu" border="0">';
var el;
el = document.getElementById('tresc');
el.innerHTML = adres;
return false;
}

document.write('<div class="backgw" id="backgw1">');
document.write('<p class="name_nag" id="p12">Kalkulator kosztów kredytu</p>');
document.write('<table border="0" id="backgw12">');
document.write('<form id="dane" action="">');
document.write('<tr class="row_name"><td>Kwota kredytu</td><td><input type="text" name="kwota" id="kwota" value="10000" class="input_name"> PLN</td></tr>');
document.write('<tr class="row_name"><td>Liczba rat</td><td><input type="text" name="liczba_rat" id="liczba_rat" value="24" class="input_name"> m-ce</td></tr>');
document.write('<tr class="row_name"><td>Oprocentowanie w skali roku</td><td><input type="text" name="oproc" id="oproc" value="9.9"  class="input_name"> %</td></tr>');
document.write('<tr class="row_name"><td>Prowizja za udzielenie kredytu</td><td><input type="text" name="prowizja" id="prowizja" value="0" class="input_name"> %</td></tr>');
document.write('<tr class="row_name"><td>Pozostałe koszty</td><td><input type="text" name="pozostale" id="pozostale" value="0"  class="input_name"> PLN</td></tr>');
document.write('<tr><td colspan="2"><div class="input_button">');
document.write('<button onclick="return oblicz_rate()" class="cb">Oblicz</button></div></td><td></td></tr>');
document.write('</form>');
document.write('</table>');
document.write('<div id="tresc">');document.write('<center><a href="https://www.digitalmoney.pl" target="_blank" rel="nofollow"><span class="advert">digitalmoney.pl</span></a></center>');
document.write('</div>');
document.write('</div>');