function czy_aktywny() {
	var as = document.getElementsByTagName('a');
	for(var i=0; i<as.length; i++) {
		var href = as[i].getAttribute('href');
		if ((href == document.location.href) && (as[i].id != 'active_Submenu')) {
			as[i].className = "aktywny";
		}
	}
	return true;
}

function submenu() {
	var uls = document.getElementsByTagName('ul');
	for(var i=0; i<uls.length; i++) {
		if (uls[i].className == 'sublevel') {
			var prev = uls[i].previousSibling;
			var parent = uls[i].parentNode;
			if (prev.tagName == 'LI') {
				uls[i].className = uls[i].className + ' ' + (prev.className);
			} else if (parent.tagName == 'LI') {
				uls[i].className = uls[i].className + ' ' + (parent.className);
			}
		}
	}
	return true;
}

window.onload = function(e) {
  czy_aktywny();
  submenu();
}