// JavaScript Document
function potvrzeni_recept() {
if (confirm("Opravdu chcete odstranit tento recept ze systému? Krok pečlivě zvažte, proces je nevratný.")) return true; else return false;
}

function show_new_recept() {
var div = document.getElementById("newrecept");
var input = document.getElementById("btnrecept");
if (div.style.display == "") div.style.display = "none";
if (div.style.display == "none") {div.style.display = "block";input.style.display = "none";}
}

function change_menu_aktivni(element) {
var div = document.getElementById(element);
if (div.style.display == "") div.style.display = "none";
if (div.style.display == "none") div.style.display = "block";else div.style.display = "none"; 
}

function zmena_obj1 (element) {
var box = document.getElementById('CH');
var div = document.getElementById(element);
if (div.style.display == "") div.style.display = "none";
if (box.checked) div.style.display = "none";
if (!box.checked) div.style.display = "block";
}

function zmena_obj2 (element) {
var box = document.getElementById('CH2');
var div = document.getElementById(element);
if (div.style.display == "") div.style.display = "none";
if (box.checked) div.style.display = "none";
if (!box.checked) div.style.display = "block";
}

function show_ketchup(ID) {
element = "K" + ID;
var Popis = document.getElementById(element);
element = "B" + ID;
var Button = document.getElementById(element);
if (Popis.style.display == "") Popis.style.display = "none";
if (Popis.style.display == "none") {Popis.style.display = "block";Button.style.display = "none";}
else
{
Popis.style.display = "none";
Button.style.display = "block";
}
}

function potvrzeni1 () {
if (confirm("Opravdu chcete odstranit tento produkt ze systému? Krok pečlivě zvažte, proces je nevratný.")) return true; else return false;
}

function show_hlp(element) {
var Objekt = document.getElementById(element);
if (Objekt.style.display == "") Objekt.style.display = "none";
if (Objekt.style.display == "none") {Objekt.style.display = "block";}
else Objekt.style.display = "none";
}