function okienko(url)
{
var viewerpop=window.open(url,'GALERIA','screenX=0,left=10,screenY=0,top=50,location=no,toolbar=no,directories=no,menubar=no,resizable=no,scrollbars=yes,status=no,width=550,height=400');
viewerpop.focus();
}


function toggle(warstwa, ilosc) {

    for ( i=1 ; i<=ilosc; i++ ) {
var x = document.getElementById("w"+i);

if ( document.getElementById("w"+warstwa) == x  ) x.style.display = "block";
else x.style.display = "none";

}; };

function zamknij(zamk) {

var y = document.getElementById("w"+zamk);
y.style.display = "none";

}


function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		naglowek_03_home_over = newImage("img/nagl/naglowek_03-home_over.gif");
		naglowek_04_onas_over = newImage("img/nagl/naglowek_04-onas_over.gif");
		naglowek_05_oferta_over = newImage("img/nagl/naglowek_05-oferta_over.gif");
		naglowek_06_galeria_over = newImage("img/nagl/naglowek_06-galeria_over.gif");
		naglowek_07_kontakt_over = newImage("img/nagl/naglowek_07-kontakt_over.gif");
		preloadFlag = true;
	}
}