function stripeList(ul){

	var even = false;
	var evenColor = "#fff";
	var oddColor = "#f4f4f4";

	if (!ul) return;
	
	var list = ul.getElementsByTagName('li');
	for (var i = 0; i < list.length; i++) {
		
		list[i].style.backgroundColor = even ? evenColor : oddColor;
		
		even =  ! even;
	}
}