function ESSOX_aktualizuj(typ) {
    return eval("ESSOX_splatkyJS_" + typ + "(ESSOX_get('ESSOX_" + typ + "_cena'),ESSOX_get('ESSOX_" + typ + "_akontace'),ESSOX_get('ESSOX_" + typ + "_pocetSplatek'))");
  }

  function ESSOX_get(el) {
  return (document.getElementById(el).type=="select") ? document.getElementById(el).options[document.getElementById(el).selectedIndex].value : document.getElementById(el).value;
  }
  
  function ESSOX_maxCastka(typZbozi,akontace) {
  akontace *= 1; typZbozi *= 1; 
  switch (typZbozi) {
    case 1: switch (akontace) {case 10: case 15: max = 200000; break; case 20: case 25: max = 500000; break; case 30: case 35: case 40: case 45: case 50: case 55: case 60: case 65: case 70: max = 1000000; break; default: max = false;} break;

    default: max = false;
  }
  return max;
  }
  
function setContent(el,res) {
if (document.getElementById(el).textContent) document.getElementById(el).textContent = res;
else document.getElementById(el).innerText = res;
}

function rozdilDnu(pujcDen,pujcMes,pujcRok,splDen,splMes,splRok)
{
    pujcDen = parseInt(pujcDen);
	pujcMes = parseInt(pujcMes);
	pujcRok = parseInt(pujcRok);
    splDen = parseInt(splDen);
	splMes = parseInt(splMes);
	splRok = parseInt(splRok);
    if (pujcMes <= 2) { pujcRok -=1; pujcMes +=12; }
	a = Math.floor( pujcRok/100 );
	b = 2 - a + Math.floor( a/4 );
	JulianDayPujcka = Math.floor( 365.25 * ( pujcRok + 4716 )) + Math.floor( 30.6001 * ( pujcMes + 1 )) + pujcDen + b;
	if (splMes <= 2) { splRok -=1; splMes +=12; }
	a = Math.floor( splRok/100 );
	b = 2 - a + Math.floor( a/4 );
	JulianDaySplatka = Math.floor( 365.25 * ( splRok + 4716 )) + Math.floor( 30.6001 * ( splMes + 1 )) + splDen + b;  		 
    return ( JulianDaySplatka - JulianDayPujcka );  
} 

function fhodnota(pujcka,rok,tsplatka,tcas,sazba)
{
	soucet = 0;
    for (i=0; i<tsplatka.length; i++)
    {
       soucet += (tsplatka[i])/Math.pow((1+sazba),tcas[i]/rok);        
    }
    return(soucet - pujcka);
}

function ESSOXpocitejRPSN(pocetSplatek,pujcka,splatka) 
{  
	rok = 365;
  pujcDen = 1;
  pujcMes = new Date(); pujcMes = parseInt(pujcMes.getMonth()+1);
  pujcRok = new Date(); pujcRok = parseInt(pujcRok.getFullYear());
	
	aSplatka = new Array();
	cas = new Array();
	for (i=(pujcMes+1); i<pocetSplatek+(pujcMes+1); i++)
	{
	  aSplatka[(i-(pujcMes+1))] = splatka;
    splDen = 15;
    splMes = (i%12) ? i%12 : 12;
    splRok = pujcRok;
    splRok += (i>12) ? Math.floor((i-1)/12) : 0;
    cas[(i-(pujcMes+1))] = rozdilDnu(pujcDen,pujcMes,pujcRok,splDen,splMes,splRok); 
    } 
		
    rozdilstr = 0;
    odhad1 = 0; 
    odhad2 = 10.001;  // i.e. predpoklada se, ze koren lezi mezi 0% a 1000%
    fhodnota1 = fhodnota(pujcka,rok,aSplatka,cas,odhad1);
    fhodnota2 = fhodnota(pujcka,rok,aSplatka,cas,odhad2);
    if (fhodnota1*fhodnota2<0) 
    {
	        odhadstr = (odhad1 + odhad2)/2;
        	fhodnotastr = fhodnota(pujcka,rok,aSplatka,cas,odhadstr);
        
        	do {
			   if ((fhodnota1*fhodnotastr)>0) odhad1 = odhadstr;
   		       if ((fhodnota2*fhodnotastr)>0) odhad2 = odhadstr;
        	   fhodnota1 = fhodnota(pujcka,rok,aSplatka,cas,odhad1);
        	   fhodnota2 = fhodnota(pujcka,rok,aSplatka,cas,odhad2);
        	   rozdilstr = Math.abs(odhadstr - (odhad1 + odhad2)/2);
               odhadstr = (odhad1 + odhad2)/2;
               fhodnotastr = fhodnota(pujcka,rok,aSplatka,cas,odhadstr);
        	} 
        	while (rozdilstr>0.000001);    
            rpsn2 =Math.round(odhadstr*10000)/100; 
    }
    else if (fhodnota1 == 0) rpsn2 = "0";
		 else rpsn2 = "0"; 
		 
	return rpsn2;
	
}

  ESSOX_typZbozi = 1; // 1 - kola, VT, nábytek, bílá el., zahr.mechanizace; 3 - mobilní telefony; 2 - ostatní
  
  function ESSOX_splatky_moto3(castka,akontace,pocetSplatek) {
  castka = (parseInt(castka)) ? parseInt(castka) : 0; akontace = parseInt(akontace); pocetSplatek = parseInt(pocetSplatek); 
    switch (akontace) {

    case 10:
      switch (pocetSplatek) {
      case 10: koef = 9.8502; break; case 15: koef = 6.83; break; case 20: koef = 5.33; break;
      case 25: koef = 4.43; break; case 30: koef = 3.84; break; case 35: koef = 3.41; break; case 40: koef = 3.10; break; 
      case 45: koef = 2.86; break; case 50: koef = 2.6445; break; case 60: koef = 2.3875; break; case 65: koef = 2.2621; break;
      case 70: koef = 2.1719; break; default: koef = 0; 
      } break; 
    case 15:
      switch (pocetSplatek) {
      case 10: koef = 9.3030; break; case 15: koef = 6.4505; break; case 20: koef = 5.0339; break;
      case 25: koef = 4.1839; break; case 30: koef = 3.6267; break; case 35: koef = 3.2206; break; case 40: koef = 2.9278; break; 
      case 45: koef = 2.7011; break; case 50: koef = 2.4975; break; case 60: koef = 2.2548; break; case 65: koef = 2.1365; break;
      case 70: koef = 2.0512; break; default: koef = 0; 
      } break; 
    case 20:
      switch (pocetSplatek) {
      case 10: koef = 8.75; break; case 15: koef = 6.0699; break; case 20: koef = 4.74; break;
      case 25: koef = 3.94; break; case 30: koef = 3.41; break; case 35: koef = 3.04; break; case 40: koef = 2.72; break; 
      case 45: koef = 2.50; break; case 50: koef = 2.3077; break; case 60: koef = 2.0770; break; case 65: koef = 1.9650; break;
      case 70: koef = 1.8840; break; default: koef = 0; 
      } break; 
    case 25:
      switch (pocetSplatek) {
      case 10: koef = 8.2031; break; case 15: koef = 5.6906; break; case 20: koef = 4.4438; break;
      case 25: koef = 3.6937; break; case 30: koef = 3.1969; break; case 35: koef = 2.85; break; case 40: koef = 2.55; break; 
      case 45: koef = 2.3438; break; case 50: koef = 2.1634; break; case 60: koef = 1.9472; break; case 65: koef = 1.8422; break;
      case 70: koef = 1.7663; break; default: koef = 0; 
      } break;     
    case 30:
      switch (pocetSplatek) {
      case 10: koef = 7.6599; break; case 15: koef = 5.3098; break; case 20: koef = 4.14; break;
      case 25: koef = 3.45; break; case 30: koef = 2.98; break; case 35: koef = 2.62; break; case 40: koef = 2.34; break; 
      case 45: koef = 2.15; break; case 50: koef = 1.9813; break; case 60: koef = 1.7772; break; case 65: koef = 1.6787; break;
      case 70: koef = 1.6072; break; default: koef = 0; 
      } break; 
    case 35:
      switch (pocetSplatek) {
      case 10: koef = 7.1128; break; case 15: koef = 4.9306; break; case 20: koef = 3.8443; break;
      case 25: koef = 3.2036; break; case 30: koef = 2.7671; break; case 35: koef = 2.4329; break; case 40: koef = 2.1729; break; 
      case 45: koef = 1.9964; break; case 50: koef = 1.8398; break; case 60: koef = 1.6502; break; case 65: koef = 1.5588; break;
      case 70: koef = 1.4924; break; default: koef = 0;
      } break;        
    case 40:
      switch (pocetSplatek) {
      case 10: koef = 6.5599; break; case 15: koef = 4.5499; break; case 20: koef = 3.55; break;
      case 25: koef = 2.95; break; case 30: koef = 2.53; break; case 35: koef = 2.25; break; case 40: koef = 2.01; break; 
      case 45: koef = 1.84; break; case 50: koef = 1.6954; break; case 60: koef = 1.5203; break; case 65: koef = 1.4359; break;
      case 70: koef = 1.3745; break; default: koef = 0; 
      } break; 
    case 45:
      switch (pocetSplatek) {
      case 10: koef = 6.0132; break; case 15: koef = 4.1707; break; case 20: koef = 3.2542; break;
      case 25: koef = 2.7042; break; case 30: koef = 2.3192; break; case 35: koef = 2.0625; break; case 40: koef = 1.8425; break; 
      case 45: koef = 1.6867; break; case 50: koef = 1.5541; break; case 60: koef = 1.3936; break; case 65: koef = 1.3162; break;
      case 70: koef = 1.26; break; default: koef = 0;
      } break;  
    case 50:
      switch (pocetSplatek) {
      case 10: koef = 5.4699; break; case 15: koef = 3.7901; break; case 20: koef = 2.96; break;
      case 25: koef = 2.46; break; case 30: koef = 2.1101; break; case 35: koef = 1.87; break; case 40: koef = 1.67; break; 
      case 45: koef = 1.54; break; case 50: koef = 1.4197; break; case 60: koef = 1.2740; break; case 65: koef = 1.2037; break;
      case 70: koef = 1.1527; break; default: koef = 0; 
      } break; 
    case 55:
      switch (pocetSplatek) {
      case 10: koef = 4.9229; break; case 15: koef = 3.4111; break; case 20: koef = 2.6640; break;
      case 25: koef = 2.2140; break; case 30: koef = 1.8991; break; case 35: koef = 1.6830; break; case 40: koef = 1.5030; break; 
      case 45: koef = 1.3860; break; case 50: koef = 1.2777; break; case 60: koef = 1.1466; break; case 65: koef = 1.0834; break;
      case 70: koef = 1.0375; break; default: koef = 0;
      } break;  
    case 60:
      switch (pocetSplatek) {
      case 10: koef = 4.38; break; case 15: koef = 3.0399; break; case 20: koef = 2.37; break;
      case 25: koef = 1.97; break; case 30: koef = 1.69; break; case 35: koef = 1.50; break; case 40: koef = 1.34; break; 
      case 45: koef = 1.23; break; case 50: koef = 1.1336; break; case 60: koef = 1.0173; break; case 65: koef = 0.9608; break;
      case 70: koef = 0.9199; break; default: koef = 0; 
      } break; 
    case 65:
      switch (pocetSplatek) {
      case 10: koef = 3.8325; break; case 15: koef = 2.6599; break; case 20: koef = 2.0738; break;
      case 25: koef = 1.7238; break; case 30: koef = 1.4788; break; case 35: koef = 1.3125; break; case 40: koef = 1.1725; break; 
      case 45: koef = 1.0762; break; case 50: koef = 0.9919; break; case 60: koef = 0.8901; break; case 65: koef = 0.8407; break;
      case 70: koef = 0.8049; break; default: koef = 0;
      } break;  
    case 70:
      switch (pocetSplatek) {
      case 10: koef = 3.2799; break; case 15: koef = 2.28; break; case 20: koef = 1.78; break;
      case 25: koef = 1.48; break; case 30: koef = 1.26; break; case 35: koef = 1.12; break; case 40: koef = 1.00; break; 
      case 45: koef = 0.92; break; case 50: koef = 0.8479; break; case 60: koef = 0.7603; break; case 65: koef = 0.7180; break;
      case 70: koef = 0.6873; break; default: koef = 0; 
      } break; 
    default: koef = 0;
    }

    splatka = Math.ceil(castka*koef/100);
    navyseni = Math.round((((splatka - ((castka*((100-akontace)/100))/pocetSplatek))*pocetSplatek) / castka) * 10000)/100;
    rpsn = ESSOXpocitejRPSN(pocetSplatek,(castka - (castka*akontace*0.01)),(castka*koef/100));
    return new Array(splatka,rpsn,castka);
  }
  
  function ESSOX_splatkyJS_moto3(castka,akontace,pocetSplatek) {
    max = ESSOX_maxCastka(ESSOX_typZbozi,akontace);
    chyba = "";
    if (akontace < 30 && ESSOX_typZbozi == 3) chyba = "U mobilních telefonů je minimální záloha 30 %.";
    if (max < castka) chyba = "Maximální prodejní cena pro zadanou zálohu je " + max + " Kč. Zadejte vyšší zálohu.";
    if ((castka-(castka*(akontace/100))) < 2000) chyba = "Minimální výše úvěru je 2000 Kč.  Pokud je to možné, zkuste zadat nižší zálohu.";
    if (chyba!="") { retVal = new Array(0,0,0); window.alert(chyba); } 
    else 
      retVal = ESSOX_splatky_moto3(castka,akontace,pocetSplatek);
    setContent('ESSOX_kalkulacka_moto3',(retVal[0]) ? retVal[0] +  ",- Kč/měs." : "CHYBA !!!");
    setContent('ESSOX_moto3_RPSN',(retVal[0]) ? "od " + retVal[1] +  " %" : "-");
    document.getElementById('ESSOX_moto3_tRPSN').value = retVal[1];
    document.getElementById('ESSOX_moto3_cena').value = retVal[2];
    document.getElementById('ESSOX_moto3_splatka').value = retVal[0];
    document.getElementById('ESSOX_moto3_predem').value = Math.round(parseInt(akontace)*parseInt(castka)/100);
  }