function expand(s) {
	var td = s;
	var d = td.getElementsByTagName("div").item(0);
	td.className = "menuHover";
	d.className = "menuHover";
}

function collapse(s) {
	var td = s;
	var d = td.getElementsByTagName("div").item(0);
	td.className = "menuNormal";
	d.className = "menuNormal";
}