function aktualn() {
        
    advAJAX.setDefaultParameters({
      onInitialization : function(obj) { document.getElementById(obj.tag).innerHTML = "Przygotowanie..."; },
      onLoading : function(obj) { document.getElementById(obj.tag).innerHTML = "Ładowanie..."; },
      onSuccess : function(obj) { document.getElementById(obj.tag).innerHTML = obj.responseText; },
      onError : function(obj) { document.getElementById(obj.tag).innerHTML = "Błšd..."; }
      });
    advAJAX.get({ url: "biezace/index.php", tag: "aktualnosci" });
    advAJAX.setDefaultParameters({});
        }

<!--hide this script from non-javascript-enabled browsers

function wysw_okno(href)
     {
     if (frames['nowe_okno'] && !nowe_okno.closed) nowe_okno.close();
     nowe_okno=window.open(href,"","history=no,fullscreen=yes,resizable=yes,status=no,scrollbars=yes");
     }

function wysw_oknon(href,szer,wys,window_param)
     {
//	 alert(encodeURIComponent(href));
	href=href.replace(/ł/gi,"%C5%82")
	href=href.replace(/ó/gi,"%C3%B3")
	href=href.replace(/Ś/gi,"%C5%9A")
	href=href.replace(/ś/gi,"%C5%9B")
	
	
     var szer;
     var wys;
     var window_param;
     window_param='width='+szer+',height='+wys+',left='+(window.screen.width-szer)/2+',top='+(window.screen.height-wys)/2+window_param;
     if (frames['nowe_okno'] && !nowe_okno.closed) nowe_okno.close();
     nowe_okno=window.open(href,"_blank",window_param);
     }



function zapytanie_do_bazy(xxx)
{
	var params = new Array
	for (i=0;i<xxx.length;i++) {
		params[xxx[i].name]=xxx[i].value
		}	
//params=xxx.serialize(true)
//if (params['xml']=='true') alert(params['xml'])

	document.getElementById(params['mod']).innerHTML="<div style='text-align:center;margin-top:50px;'><img src='http://przetargi.kwsa.pl/img/loading_icon2.gif' /></div>"
	req = new Ajax.Request(
		'/oferta/request.php',
		{
			asynchronous:true,
			method: 'POST',
			parameters: params,
			onSuccess: function(response){
				txt=response.responseText
				document.getElementById(params['mod']).innerHTML=txt
				
			}
		}
		
	)
//setTimeout('zapytanie_do_bazy(\'nowa_oferta\')',1500)
}


function zapytanie_do_bazyn(xxx)
{
var params = new Array
for (i=0;i<xxx.length;i++) {
	params[xxx[i].name]=xxx[i].value
}
//params=xxx.serialize(true)

	document.getElementById(params['mod']).innerHTML="<div style='text-align:center;margin-top:50px;'><img src='http://przetargi.kwsa.pl/img/loading_icon2.gif' /></div>"
	req = new Ajax.Request(
		'/oferta/requestn.php',
		{
			asynchronous:true,
			method: 'POST',
			parameters: params,
			onSuccess: function(response){
				xml=response.responseText
				document.getElementById(params['mod']).innerHTML=xml
				
			}
		}
		
	)
//setTimeout('zapytanie_do_bazy(\'nowa_oferta\')',1500)
}