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

XMLHttp.overrideMimeType('text/html; charset=ISO-8859-2');



function pobierzMenu(menuId, localisationId)
{ 

if(XMLHttpRequestObject)
{
var div=document.getElementById(localisationId);
switch(menuId)
{ case "1":  XMLHttpRequestObject.open("GET", "_ajax/menu_default.php");
							
							break;
case "2": XMLHttpRequestObject.open("GET", "_ajax/menu_gdynskie.php");
					
					 break;
case "3": XMLHttpRequestObject.open("GET", "_ajax/menu_kultura.php");
					 
					 break;
case "4": XMLHttpRequestObject.open("GET", "_ajax/menu_sport.php");
					
					 break;
default: return; }

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

XMLHttpRequestObject.send(null);
}
}