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) {
	banner			= newImage("img/banner.jpg");
	menu_rest		= newImage("img/menu_rest.jpg");
	main_left		= newImage("img/main_left.jpg");
	main_right		= newImage("img/main_right.jpg");
	historia_on		= newImage("img/historia_on.jpg");
	historia_off	= newImage("img/historia_off.jpg");
	kontakt_on		= newImage("img/kontakt_on.jpg");
	kontakt_off		= newImage("img/kontakt_off.jpg");
	oferta_on		= newImage("img/oferta_on.jpg");
	oferta_off		= newImage("img/oferta_off.jpg");
	referencje_on	= newImage("img/referencje_on.jpg");
	referencje_off	= newImage("img/referencje_off.jpg");
	uprawnienia_on	= newImage("img/uprawnienia_on.jpg");
	uprawnienia_off	= newImage("img/uprawnienia_off.jpg");
	
	preloadFlag = true;
}

function change(rys, naco) {
	if (preloadFlag == true) rys.src = naco.src;
	return true;
}

function OpenW(url,x,y){
	var newWindow=window.open(url,'n','width='+x+',height='+y+',left=10,top=10');
	newWindow.focus();
}

function View(fota,x,y,tytul){
	tytul=escape(tytul);
	var newWindow=window.open('photo.html?photo='+fota+'&tytul='+tytul,'Photo','width='+x+',height='+y+',left=10,top=10');
	newWindow.focus();
}

function PPrint(id){
	var PWindow=window.open('dd.php?f_print=1&aid='+id,'n','width=580,height=550,left=10,top=10,scrollbars');
	PWindow.focus();
}

function Jump(where){
	if (where!='#' && where!='') location.href=where;
}