var pobrany = false;
var id = 0;
var artsTab = Array("", "", "", "", "", "", "", "", "");

function show(val)
{
  switch(val){
    case 1:
      var url = "promocje/outlander.html";
      break;
    case 2:
      var url = "promocje/colt.html";
      break;
    case 3:
      var url = "promocje/l200DC.html";
      break;
	case 4:
	  var url = "promocje/wszystkie.html";
	  break;
	case 5:
	  var url = "promocje/lancer_sportback.html";
	  break;  
	case 6:
	  var url = "promocje/lancer_sedan.html";
	  break;
	case 7:
	  var url = "promocje/pajero.html";
	  break;
	case 8:
	  var url = "promocje/lancer_evo.html";
	  break;  
	case 9:
	  var url = "promocje/grandis.html";
	  break;  
    default:
      return;
  }
  
  id = val - 1;
      
  var dataDiv = document.getElementById("dataDiv");
  
  if(artsTab[id] != ""){
    dataDiv.innerHTML = artsTab[id];
    return;
  }
    
  dataDiv.innerHTML = "Trwa pobieranie danych...";

  pobrany = false;
  startGETRequest(url, onComplete, onEnd);
}

function onComplete(responseText, responseXML)
{
  var dataDiv = document.getElementById("dataDiv");
  dataDiv.innerHTML = responseText;
  artsTab[id] = responseText;
  pobrany = true;
}

function onEnd()
{
  if(!pobrany){
    var dataDiv = document.getElementById("dataDiv");
    dataDiv.innerHTML = "Wybrany artykuł nie jest dostępny.";
  }
}