function swap() {
	var getID = document.getElementById("nav").getElementsByTagName("li");
	for (var k=0; k<getID.length; k++) {
		getID[k].className="Hidden";
	}
	this.className="Active";
}

function swapBack() {
	var getID = document.getElementById("nav").getElementsByTagName("li");
	for (var k=0; k<getID.length; k++) {
		getID[k].className="Trigger";
	}
	this.className="Trigger";
}


function mainMenu() {
	if (document.getElementById) {
	var mainTarget = document.getElementById("nav");
	var LI = mainTarget.getElementsByTagName("li");
	var A = mainTarget.getElementsByTagName("a");
	var zLI= LI.length;
	var zA= A.length;
		for (var k=0; k<zLI; k++) {
			if (LI[k].className == "Trigger") {
				LI[k].onmouseover = swap;
				LI[k].onmouseout = swapBack;
			}
		}
		
		for (var k=0; k<zA; k++) {
			if (A[k].className == "Trigger") {
				A[k].onmouseover = swap;
				A[k].onmouseout = swapBack;
			}
		}
	}
}
window.onload = function() {
	mainMenu();
}

function clearText(ID) {
	document.getElementById(ID).value="";
}