function przypisz(val)
{
  if(val == 1){
    var url = "http://localhost/dane1.txt";
  }
  else if(val == 2){
    var url = "http://localhost/dane2.txt";
  }
  else{
    alert("Błąd skryptu.");
    return;
  }
  
  var btn1 = document.getElementById("btn1");
  var btn2 = document.getElementById("btn2");
  btn1.disabled = true;
  btn2.disabled = true;
  startGETRequest(url, onComplete, onEnd);
}

function click1()
{
  var div1 = document.getElementById("div1");
  div1.style.backgroundColor = "#FFFF00";
  div1.innerHTML = "click1";
}

function click2()
{
  alert("click2");
}

function onComplete(responseText, responseXML)
{
  var div1 = document.getElementById("div1");
  div1.onclick = eval(responseText);
}

function onEnd()
{
  var btn1 = document.getElementById("btn1");
  var btn2 = document.getElementById("btn2");
  btn1.disabled = false;
  btn2.disabled = false;
}
