function kalkulackaRadkova()
{
	var znakuNaRadek = 25;
	var cenaSoukroma = 16;
	var cenaKomercni = 28;
	var cenaRamecek = 20;
	var cenaRastr = 25;
	var cenaInverzne = 30;
	var cenaFotografie = 80;
  
  var znaku = document.getElementById("text").value.length;
  var radku = Math.ceil(znaku/znakuNaRadek);
  
  //Typ inzerce
  if(document.getElementById("soukroma").checked == true)
    var out = radku*cenaSoukroma;
  else
    var out = radku*cenaKomercni;
  
  //Priplatky
  if(document.getElementById("ramecek").checked == true)
    out = out+cenaRamecek;
  if(document.getElementById("rastr").checked == true)
    out = out+cenaRastr;
  if(document.getElementById("inverzne").checked == true)
    out = out+cenaInverzne;
  if(document.getElementById("foto").checked == true)
    out = out+cenaFotografie;
  
	document.getElementById("calc-result").innerHTML = out;
}