function spot(elm)
{
	var elms = document.getElementsByTagName("li");
	for (var i = elms.length; i > 0; i--)
	{
		if (elms[i-1].id == elm.id){
			elms[i-1].style.backgroundColor = "#DDDD99";
		}
	}
}

function unspot(elm)
{
	var elms = document.getElementsByTagName("li");
	for (var i = elms.length; i > 0; i--)
	{
		if (elms[i-1].id == elm.id){
			elms[i-1].style.backgroundColor = "#FFFFFF";
		}
	}
}