browser = (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 )) || ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 )))

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

var preloadFlag = false;
if (document.images) {
   more_on		= newImage("images/more-a.gif");
   more_off		= newImage("images/more-n.gif");
   home_on		= newImage("images/home-a.gif");
   home_off		= newImage("images/home-n.gif");
   m1_on		= newImage("images/m1-a.gif");
   m1_off		= newImage("images/m1-n.gif");
   m2_on		= newImage("images/m2-a.gif");
   m2_off		= newImage("images/m2-n.gif");
   m3_on		= newImage("images/m3-a.gif");
   m3_off		= newImage("images/m3-n.gif");
   m4_on		= newImage("images/m4-a.gif");
   m4_off		= newImage("images/m4-n.gif");
   m5_on		= newImage("images/m5-a.gif");
   m5_off		= newImage("images/m5-n.gif");
   m6_on		= newImage("images/m6-a.gif");
   m6_off		= newImage("images/m6-n.gif");
   kr_on		= newImage("images/kr-a.gif");
   kr_off		= newImage("images/kr-n.gif");
   book_on		= newImage("images/book-a.jpg");
   book_off		= newImage("images/book-n.jpg");
   email_on		= newImage("images/email-a.gif");
   email_off	= newImage("images/email-n.gif");
   zuruck_on	= newImage("images/zuruck-a.gif");
   zuruck_off	= newImage("images/zuruck-n.gif");
   koperta_on	= newImage("images/kontakt-a.gif");
   koperta_off	= newImage("images/kontakt-n.gif");
   pkt_on		= newImage("images/pkt-a.gif");
   pkt_off		= newImage("images/pkt-n.gif");
   preloadFlag = true;
}

function change(rys, naco) {
	if (browser) 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();
}