function $(pole) {
  return document.getElementById(pole);
}

function kom() {
            advAJAX.assign(document.getElementById("kf"), {
              onInitialization : function(obj) {
                $('kresponse').style.display = 'block';
                $('kresponse').style.color = 'black';
                $('kresponse').innerHTML = '<img src="templates/loading.gif" /> Ladowanie....';
              },
              onSuccess : function(obj) {
                if(obj.responseText.substr(0,1) == 1) {
                  $('kresponse').style.color = 'red';
                  $('kresponse').innerHTML = 'Musisz podać treść komentarza!';
                }
                if(obj.responseText.substr(0,1) == 2) {
                  $('kresponse').style.color = 'green';
                  $('kresponse').innerHTML = 'Komentarz został dodany.<script>window.refresh();</script>';
                  $('kform').style.display = 'none';
                  setTimeout("window.location = window.location", 1500);
                }
              }
            });
}