// Main Navigation Drop-down menu ////////////////////////////////




function ToggleMenu(id){
		 dropDown = document.getElementById(id);
		 dropDown.style.visibility == "visible"?
		 dropDown.style.visibility = "hidden":
		 dropDown.style.visibility = "visible";
}
		 

function HoldMenu(id){
		  dropDown = document.getElementById(id);
		  dropDown.style.visibility = "visible";
}

function HideMenu(id){
		  dropDown = document.getElementById(id);
		  dropDown.style.visibility = "hidden";
}
		 
		 
function ShowTier2(t2){
		 tierTwo = document.getElementById(t2);
		 tierTwo.style.visibility = "visible";
}	

function HideTier2(t2){
		 tierTwo = document.getElementById(t2);
		 tierTwo.style.visibility = "hidden";
}