function pokazWarstwe(div)
{
	var warstwa = document.getElementById(div);		
	if(warstwa.style.display == 'block'){warstwa.style.display = 'none';}else{warstwa.style.display = 'block';}
}



	var XMLHttpRequestObject = false;
	
	if(window.XMLHttpRequest)
	{
		XMLHttpRequestObject = new XMLHttpRequest();		
	}
	else if(window.ActiveXObject)
	{
		XMLHttpRequestObject = new ActiveXObject("Microsoft.XMLHTTP");
	}

	function dodajKomentarz()
	{
		if(XMLHttpRequestObject)
		{
			var obj = document.getElementById('koment_logowanie');
		
			XMLHttpRequestObject.open("GET", "komentarz.php5");

			XMLHttpRequestObject.onreadystatechange = function()
			{
				if(XMLHttpRequestObject.readyState == 4 && XMLHttpRequestObject.status == 200)
				{
					obj.innerHTML = XMLHttpRequestObject.responseText;				
				}
			}

			XMLHttpRequestObject.send(null);
		}
	}
	
	
	function zaloguj()
	{
		
		var login_dol = document.getElementById('login_dol');
		var haslo_dol = document.getElementById('haslo_dol');
		

		
		if(XMLHttpRequestObject)
		{
			var obj = document.getElementById('koment_logowanie');
		
			XMLHttpRequestObject.open("GET", "zaloguj.php5?login="+login_dol.value+"&haslo="+haslo_dol.value+"");

			XMLHttpRequestObject.onreadystatechange = function()
			{
				if(XMLHttpRequestObject.readyState == 4 && XMLHttpRequestObject.status == 200)
				{
					obj.innerHTML = XMLHttpRequestObject.responseText;				
				}
			}

			XMLHttpRequestObject.send(null);
		}

	}


	function pokazPodkategorie()
	{
		var kategoria = document.getElementById('kategoria');
		
		if(XMLHttpRequestObject)
		{		
			var obj = document.getElementById('podkategoria');
			XMLHttpRequestObject.open("GET", "ajax.php5?wykonaj=pokazPodkategorie&kategoria="+kategoria.value+"");

			XMLHttpRequestObject.onreadystatechange = function()
			{
				if(XMLHttpRequestObject.readyState == 4 && XMLHttpRequestObject.status == 200)
				{
					obj.innerHTML = XMLHttpRequestObject.responseText;				
				}
			}
			
			XMLHttpRequestObject.send(null);
			
		}
	}
	
	function zaloguj2()
	{
		var login = document.getElementById('login');
		var haslo = document.getElementById('haslo');
		if(XMLHttpRequestObject)
		{		
			var obj = document.getElementById('zaloguj_top');
			XMLHttpRequestObject.open("GET", "zaloguj_top.php5?login="+login.value+"&haslo="+haslo.value+"");

			XMLHttpRequestObject.onreadystatechange = function()
			{
				if(XMLHttpRequestObject.readyState == 4 && XMLHttpRequestObject.status == 200)
				{
					obj.innerHTML = XMLHttpRequestObject.responseText;				
				}
			}
			
			XMLHttpRequestObject.send(null);
			
		}
	}