// JavaScript Document
function extended() {

	mytg = document.getElementById('extended');
	pl = document.getElementById('prinLink');

	if (mytg.className  == "dn") {
		mytg.className  = "";
		pl.innerHTML = "Hide the Principal's vision";
		} else {
		mytg.className  = "dn";	
		pl.innerHTML = "Principal's vision continued.....";
		}
}