function toggleClass (id, newClass) {
var newClass = document.getElementById(id);
if (newClass.className=="selected") {
newClass.className="";
}
else {
newClass.className="selected";
}
}

function toggleSelected(){
var newSelected = document.getElementsByTagName('li');
if (newSelected.className=="") {
newSelected.className="selected";
}
else {
newSelected.className="";
}
}