showTime = 250;
var rollOverState = false;
var currentItem = "none";

function  showMenu(itemNumber){
	try{
		window.clearTimeout(showTimeOut);
	}catch(err){
		//
	}
	currentItem = itemNumber;
	rollOverState = true;
	for (var i=0; document.getElementById("subMenu"+i)!=null; i++){
		document.getElementById("subMenu"+i).style.display = "none";
	}
	document.getElementById("subMenu"+currentItem).style.display = "block";
}

function  hideMenu(){
	showTimeOut = window.setTimeout(menuHider, showTime);
	rollOverState = false;
}

function menuHider(){
	if(!rollOverState){
		for (var i=0; document.getElementById("subMenu"+i)!=null; i++){
			document.getElementById("subMenu"+i).style.display = "none";
		}
	}
}