function orderProduct(id) {
    var newDiv = document.createElement("div");
    var orderForm = '<form id="orderForm" method="post" action="/rendeles">';
    orderForm += '<input id="productIdToOrder" name="productIdToOrder" type="hidden" value="' + id + '"/>';
//    if (document.getElementById("amount_" + id)) {
//        orderForm += '<input id="orderAmount" name="orderAmount" type="hidden" value="' + document.getElementById("amount_" + id).value + '"/>';
//    }
    orderForm += '<input id="orderButton" type="submit" />'
    orderForm += '</form>';
    newDiv.innerHTML = orderForm;
    document.body.appendChild(newDiv);
    document.getElementById("orderForm").submit();
}

function newWindowForStream(url) {
    var win = open(url, 'Fidelio', 'width=500,height=450,toolbar=0,menubar=0,scrollbars=0,resizable=1');
}

function openLisztFM() {
    newWindowForStream("/radio/LisztFM");
}
 
function openGallery(id) {
    newWindow = window.open("/galeria/" + id, "_blank", "width=980,height=720,scrollbars=auto,resizable,screenX=150,screenY=10,status=0").focus();
    return;
}

function selectTab(objId, contentId) {
    var obj = document.getElementById(objId);
    var content = document.getElementById(contentId);
    var currentSelected = getElementsByClassName("selected", obj.parentNode.parentNode.parentNode)[0];
    currentSelected.className = "";
    obj.parentNode.parentNode.className = "selected";
    var multitabsContents = getElementsByClassName("multitabsContent", obj.parentNode.parentNode.parentNode.parentNode);
    for (var i = 0; i < multitabsContents.length; i++) {
        multitabsContents[i].style.display = "none";
    }
    
    content.style.display = "block";
}

function getElementsByClassName(className, node) { 
    if (!node) { node = document.getElementsByTagName('body')[0]; } 
    var elements = [];
    var regEx = new RegExp('\\b' + className + '\\b'); 
    var all = node.getElementsByTagName('*'); 
    for (var i = 0; i < all.length; i++) {
        if (regEx.test(all[i].className)) { 
            elements.push(all[i]); 
        } 
    } return elements; 
}