function ajaxChangeProduct(id) {
    
   var url     = 'http://www.cuddlebuddy.cz/cs/p002_frontned_cuddleBuddyAjaxGetProductData/id:' + id + '/';
   var page    = 'productData';
   ajax(url, page);  
        
    
}

function ajaxChangeCategory(id) {
    
   var url     = 'http://www.cuddlebuddy.cz/cs/p002_frontned_cuddleBuddyGetCategoryData/id:' + id + '/';
   var page    = 'categoryData';
   
   ajax(url, page);  
    
}

function displayOrderForm() {
   var url     = 'http://www.cuddlebuddy.cz/cs/p002_frontned_shopOrderFrom/';
   var page    = 'ajaxShop';
   
   ajax(url, page);  
}


function ajax(stranka, kam)
{

    var httpRequest;
    
    if(typeof window.ActiveXObject != 'undefined')
    {
        httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
    }
    else
    {  
        httpRequest = new XMLHttpRequest();
    }
    httpRequest.open("GET", stranka, true);
    httpRequest.onreadystatechange= function () 
    {
        processRequest(httpRequest, kam) 
    };
    httpRequest.send(null);
}


function processRequest(httpRequest, kam) 
{
    if (httpRequest.readyState == 4)
    {
        if(httpRequest.status == 200)
        {
            if (typeof kam == 'string') 
            {
                document.getElementById(kam).innerHTML = httpRequest.responseText;
            }
            if (typeof kam == 'function') 
            {
                kam(httpRequest.responseText);
            }
        }
        else
        {
            alert("Chyba pri nacitani stanky " + httpRequest.status +" : "+ httpRequest.statusText);
        }
    }
    else
    {
        if (typeof kam == 'string' && kam != '') 
        {
            document.getElementById(kam + 'wait').innerHTML = 'Nacitam data...';
        }
    }
       
} 

function check() {

    var var1 = document.getElementById('name').value;
    var var2 = document.getElementById('street').value;
    var var3 = document.getElementById('city').value;
    var var4 = document.getElementById('psc').value;
    var var5 = document.getElementById('phone').value;
    var var6 = document.getElementById('email').value;
    
    if(var1 != "" && var2 != "" && var3 != "" && var4 != "" && var5 != "" && var6 != "") {
        return true;
    } else {
        alert("Zkontrolujte položky formuláře, které jsou označeny hvězdičkou!");
        return false;
    }
}

function displayShop() {
    document.getElementById('ajaxShop').style.display = 'block';   
    document.getElementById('ajaxShopOrder').style.display = 'none';   
}

function shopInsteadOfOrder() {
    
    var url     = 'http://www.cuddlebuddy.cz/cs/p002_frontend_cudleBuddyEShop/';
    var page    = 'ajaxShop';
   
    ajax(url, page);  
}