<!--
var f = "formular";

function zakazat5(z, p, q, w, e, r)
  {
    if(document.forms[f][z].checked)
      {
      document.forms[f][p].disabled=false;
      document.forms[f][q].disabled=false;
      document.forms[f][w].disabled=false;
      document.forms[f][e].disabled=false;
      document.forms[f][r].disabled=false;
      }
    else
      {
      document.forms[f][p].disabled=true;
      document.forms[f][q].disabled=true;
      document.forms[f][w].disabled=true;
      document.forms[f][e].disabled=true;
      document.forms[f][r].disabled=true;
      }
  }

function spocitat_cenu(a, b, c, d, e, g, h, i, divid)
  {
    var cena_dodani = 0, cena_celkem_js, koncert1 = 0, koncert1_s = 0, koncert2 = 0, koncert2_s = 0, koncert3 = 0, koncert3_s = 0, koncert4 = 0, koncert4_s = 0;
    var div = document.getElementById(divid)

    if(document.formular.dodani[0].checked)
      {
        cena_dodani = 0;
      }
    else
      {
        cena_dodani = 30;
      }


    koncert1 = document.forms[f][a].value * 120;
    koncert1_s = document.forms[f][b].value * 60;
    koncert2 = document.forms[f][c].value * 120;
    koncert2_s = document.forms[f][d].value * 60;
    koncert3 = document.forms[f][e].value * 120;
    koncert3_s = document.forms[f][g].value * 60;
    koncert4 = document.forms[f][h].value * 120;
    koncert4_s = document.forms[f][i].value * 60;

    cena_celkem_js = koncert1 + koncert1_s + koncert2 + koncert2_s + koncert3 + koncert3_s + koncert4 + koncert4_s + cena_dodani;

    div.innerHTML = "Cena celkem - "+cena_celkem_js+",- Kč";
  }

function jen_cisla(input_h)
  {
    var zkontrolovane_cislo = 0;

    if(document.forms[f][input_h].value == "")
      { zkontrolovane_cislo = ""; }
    else
      {
        zkontrolovane_cislo = parseInt(document.forms[f][input_h].value);
        zkontrolovane_cislo = parseInt(zkontrolovane_cislo);

        if(isNaN(zkontrolovane_cislo)){ zkontrolovane_cislo = 0; }
      }

    document.forms[f][input_h].value = zkontrolovane_cislo;
  }
//-->