function openWindow(documentName,docName) {
   window.open(documentName, docName, "width=600,height=480,top=5,left=5,center,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0,copyhistory=0");
}

function zoom(documentName) {
   window.open(documentName, "open", "width=600,height=450,top=50,left=50,center,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,copyhistory=0");
}

function gazetka(documentName) {
   window.open(documentName, "open", "width=800,height=525,top=0,left=0,center,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,copyhistory=0");
}


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;
	if (document.images) {
		ofirmie2 = newImage("gfx/menu/ofirmie_ov.gif");
		produkty2 = newImage("gfx/menu/produkty_ov.gif");
		transport2 = newImage("gfx/menu/transport_ov.gif");
		promocje2 = newImage("gfx/menu/promocje_ov.gif");
		kontakt2 = newImage("gfx/menu/kontakt_ov.gif");
		gazetka2 = newImage("gfx/menu/gazetka_ov.gif");

		preloadFlag = true;
	}