// JScript File
 function classSwap(navId,direction){
            
            if (direction == "over"){
              navId.className = navId.id + "on";
            } else if (direction == "out"){
              navId.className = navId.id
            }
        
 }
      
function subNavVisibility(visibleState){
        document.getElementById("subNav").style.visibility = visibleState;
}