// JavaScript Document
var numofitems = 7;

//menu methods
function showsubmenu(menunum){
  for (var i=1; i<= numofitems; i++){
    document.getElementById("subglobal"+i).style.visibility="hidden";
  }
  document.getElementById("subglobal"+menunum).style.visibility="visible";
}
				
function closesubnav(event){
  if ((event.clientY <48)||(event.clientY > 117)){
  	for (var i=1; i<= numofitems; i++){
    	document.getElementById("subglobal"+i).style.visibility="hidden";
  	}
  }
}