function ajax(kod,pocet,refresh) {
    if(window.activeXObject){
        poziadavka = new activeXObject("Microsoft.XMLHTTP");
    }
    else{
        poziadavka = new XMLHttpRequest();
    }
    if(!poziadavka) alert('nevytvorila sa poziadavka');
    else {
        premenna = kod + "=" + pocet;
        poziadavka.onreadystatechange = function () { procesPoziadavky(poziadavka,refresh); }
        poziadavka.open("post","/shop/index/spracuj_ajax.php",true);
        poziadavka.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
        poziadavka.send(premenna);
    }
    
}


function procesPoziadavky(poziadavka,refresh) {
    if(poziadavka.readyState == 4) {
        if(poziadavka.status == 200){
            var miesto_zobrazenia = document.getElementById("sem_nacitaj").innerHTML = poziadavka.responseText;
            xmlResponce = poziadavka.responseXML;
            if(refresh) { window.location.reload(false); }
        }
        else
            alert('error ' + poziadavka.status);
    }
}

function form_all_disabled(pointer_to_form,array_no_empty) {
    no_empty_condition = true;
    for(var i = 0; i < array_no_empty.length ; i++)
      if(pointer_to_form[array_no_empty[i]].value == '') no_empty_condition = false;

    if(no_empty_condition) {
        pointer_to_form['objednavka'].disabled = false;
        for(i = 0; i < (pointer_to_form.elements.length / 2) - 2; i++) {
            j = i < 9 ? i : i-1;
            pointer_to_form['data[' + j + ']'].value = pointer_to_form.elements[i].value;
            pointer_to_form.elements[i].disabled = true;
        }
        pointer_to_form['data[' + 16 + ']'].value = pointer_to_form['adresar'].checked == true ? 'TRUE' : 'FALSE';
    }
    else {
      alert('Musia byť vyplnené všetky povinné údaje ! (hrubým písmom)')
      return false;
    }
}

function adresa() {
    if(document.hlavne_udaje.adresar.checked == true) {
        document.hlavne_udaje.ulica1.style.visibility = "hidden";
        document.hlavne_udaje.mesto1.style.visibility = "hidden";
        document.hlavne_udaje.psc1.style.visibility = "hidden";
        document.getElementById("a[0]").style.visibility = "hidden";
        document.getElementById("a[1]").style.visibility = "hidden";
        document.getElementById("a[2]").style.visibility = "hidden";
    }
    else {
        document.hlavne_udaje.ulica1.style.visibility = "visible";
        document.hlavne_udaje.mesto1.style.visibility = "visible";
        document.hlavne_udaje.psc1.style.visibility = "visible";
        document.getElementById("a[0]").style.visibility = "visible";
        document.getElementById("a[1]").style.visibility = "visible";
        document.getElementById("a[2]").style.visibility = "visible";
    }
}