var baseUrl;
function init(url) {
    baseUrl = url;

    var o1 = new Image();
    o1.src = baseUrl+"/img/removecart.gif";
    var o2 = new Image();
    o2.src = baseUrl+"/img/addcart.gif";
}


//vytvori dynamicky script tag s PHP , phps = pouzity php vcetne pripadnych parametru
function spustPHP(phps) {

    // odmazeme stary skrypt, pokud existoval
    var hlavicka = document.getElementsByTagName('head')[0];
    var dataLoader = document.getElementById('scriptLoader');
    if(dataLoader) hlavicka.removeChild(dataLoader);
    var script = document.createElement('script');
    script.id = 'scriptLoader';
    script.src = phps;
    var x = document.getElementsByTagName('head')[0];
    x.appendChild(script);

    return false;
}

function setCountCart(id,items,suma,title_pridat,title_odebrat) {

    var o = document.getElementById("cart");
    var os = document.getElementById("cart_suma");
    var oc = document.getElementById("cart_"+id);
    var oca = self.document["cart_"+id];
    var oa = document.getElementById("acart_"+id);

    o.innerHTML = items;
    os.innerHTML = "za "+suma+",- Kč";

    if (oc.className == "outcart") { 
        oca.src = baseUrl+"/img/minus_button.gif";
        oc.className = "incart";
        oa.title = title_odebrat;
        //alert(oc.src);
    } else {
        oca.src = baseUrl+"/img/plus_button.gif";
        oc.className = "outcart";
        oa.title = title_pridat;
    }

    return false;

}