function vloz_do_kosiku(id, produkt, objekt, cena){

  var mnozstvi = document.getElementById(objekt).value;
  var url = "databases/db-kosik-vlozit.php?id=" + id + "&produkt=" + produkt + "&mnozstvi=" + mnozstvi + "&cena=" + cena;

  if(url!=0){

    if(window.ActiveXObject) httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
      else httpRequest = new XMLHttpRequest();

    httpRequest.open("GET", url, true);
    httpRequest.onreadystatechange= function () { processRequest(); } ;
    httpRequest.send(null);

  }else document.getElementById("nakupni_kosik").innerHTML = "";

}


function processRequest(){

  if(httpRequest.readyState==4){

    if(httpRequest.status==200){
      var nakupni_kosik = document.getElementById("nakupni_kosik");
      nakupni_kosik.innerHTML = httpRequest.responseText;
    }

  }

}