disableButtons = false;

function loadArticle(id)
{
  if(disableButtons) return;
  var btn0= document.getElementById("btn0");
  var btn1= document.getElementById("btn1");
  var btn2= document.getElementById("btn2");
  var btn3= document.getElementById("btn3");
  var btn4= document.getElementById("btn4");
  var btn5= document.getElementById("btn5");
  var btn6= document.getElementById("btn6");
  var btn7= document.getElementById("btn7");
  var btn10= document.getElementById("btn10");
  switch(id){
  	case 0 : url = "http://ospuif.e.pl/site/test/strona0.php";
	case 0 : btn1.style.color='#919191' 
	case 0 : btn0.style.color="black"
	case 0 : btn2.style.color='#919191'
	case 0 : btn3.style.color='#919191'
	case 0 : btn4.style.color='#919191'
	case 0 : btn5.style.color='#919191'
	case 0 : btn6.style.color='#919191'
	case 0 : btn7.style.color='#919191'
	break;
	
    case 1 : url = "http://ospuif.e.pl/site/test/strona1.php";
	case 1 : btn0.style.color='#919191' 
	case 1 : btn1.style.color="black"
	case 1 : btn2.style.color='#919191'
	case 1 : btn3.style.color='#919191'
	case 1 : btn4.style.color='#919191'
	case 1 : btn5.style.color='#919191'
	case 1 : btn6.style.color='#919191'
	case 1 : btn7.style.color='#919191'
	break;
    
	case 2 : url = "http://ospuif.e.pl/site/test/strona2.php";
	 
	case 2 : btn0.style.color='#919191' 
	case 2 : btn2.style.color="black"
	case 2 : btn1.style.color='#919191'
	case 2 : btn3.style.color='#919191'
	case 2 : btn4.style.color='#919191'
	case 2 : btn5.style.color='#919191'
	case 2 : btn6.style.color='#919191'
	case 2 : btn7.style.color='#919191'
	break;
    
	case 3 : url = "http://ospuif.e.pl/site/test/strona3.php";
	case 3 : btn0.style.color='#919191' 
	case 3 : btn3.style.color="black"
	case 3 : btn1.style.color='#919191'
	case 3 : btn2.style.color='#919191'
	case 3 : btn4.style.color='#919191'
	case 3 : btn5.style.color='#919191'
	case 3 : btn6.style.color='#919191'
	case 3 : btn7.style.color='#919191'
	break;
	
	case 4 : url = "http://ospuif.e.pl/site/test/strona4.php";
	case 4 : btn0.style.color='#919191' 
	case 4 : btn4.style.color="black"
	case 4 : btn1.style.color='#919191'
	case 4 : btn3.style.color='#919191'
	case 4 : btn2.style.color='#919191'
	case 4 : btn5.style.color='#919191'
	case 4 : btn6.style.color='#919191'
	case 4 : btn7.style.color='#919191'
	break;
	
	case 5 : url = "http://ospuif.e.pl/site/test/strona5.php";
	case 5 : btn2.style.color='#919191' 
	case 5 : btn5.style.color="black"
	case 5 : btn1.style.color='#919191'
	case 5 : btn3.style.color='#919191'
	case 5 : btn4.style.color='#919191'
	case 5 : btn0.style.color='#919191'
	case 5 : btn6.style.color='#919191'
	break;
	
	case 6 : url = "http://ospuif.e.pl/site/test/strona6.php";
	case 6 : btn2.style.color='#919191' 
	case 6 : btn6.style.color="black"
	case 6 : btn1.style.color='#919191'
	case 6 : btn3.style.color='#919191'
	case 6 : btn4.style.color='#919191'
	case 6 : btn5.style.color='#919191'
	case 6 : btn0.style.color='#919191'
	break;
	
	case 7 : url = "http://ospuif.e.pl/site/test/strona7.php";
	case 7 : btn2.style.color='#919191' 
	case 7 : btn7.style.color="black"
	case 7 : btn1.style.color='#919191'
	case 7 : btn3.style.color='#919191'
	case 7 : btn4.style.color='#919191'
	case 7 : btn5.style.color='#919191'
	case 7 : btn0.style.color='#919191'
	case 7 : btn6.style.color='#919191'
	break;
    
	case 10 : url = "http://ospuif.e.pl/site/test/strona10.php";
	break;
	
	case 11 : url = "http://ospuif.e.pl/site/test/strona11.php";
	break;
	
	case 12 : url = "http://ospuif.e.pl/site/test/strona12.php";
	break;
	
	default : return;
  }
  disableButtons = true;
  startGETRequest(url, onComplete, onEnd);
}

function onComplete(text, xml)
{
  var dataDiv = document.getElementById('dataDiv');
  dataDiv.innerHTML = text;
}

function onEnd(text, xml)
{
  disableButtons = false;
}
 
function PokazAkapit()
{
	var akapit = document.getElementById('more');
	var odnosnik = document.getElementById('link');

	var view = akapit.style.display;

	if (view == "block")
	{
		odnosnik.innerHTML = "Rozdział I";
		akapit.style.display = "none";
	}

	if (view == "none")
	{
		odnosnik.innerHTML = "Rozdział I";
		akapit.style.display = "block";
	}

} 
function PokazAkapit2()
{
	var akapit2 = document.getElementById('more2');
	var odnosnik2 = document.getElementById('link2');

	var view = akapit2.style.display;

	if (view == "block")
	{
		odnosnik2.innerHTML = "Rozdział II";
		akapit2.style.display = "none";
	}

	if (view == "none")
	{
		odnosnik2.innerHTML = "Rozdział II";
		akapit2.style.display = "block";
	}

} 
function PokazWiecejHistorii()
{
	var akapit = document.getElementById('more');
	var odnosnik = document.getElementById('link');

	var view = akapit.style.display;

	if (view == "block")
	{
		odnosnik.innerHTML = "Czytaj więcej >> ";
		akapit.style.display = "none";
	}

	if (view == "none")
	{
		 odnosnik.innerHTML = " << Wstecz ";
		akapit.style.display = "block";
	}

}