// Menu JS
// Henson Consulting - Jan 2009

var current_controller;
var current_over;
var prev_over;
var init = false;
function initMenu(c){
	current_controller = c;	
	current_over = c;
	prev_over = c;
	init = true;
}

function subOver(s){
	var id = s.id;
	if(current_over){
		document.getElementById(current_over).src = "/img/"+current_over+"_up.gif";		
	}
	
	document.getElementById(id).src = "/img/"+id+"_over.gif";
	
	document.getElementById("sub_"+current_over).style.display = "none";
	document.getElementById("sub_"+id).style.display = "block";
	
	current_over = id;
}

function subOut(){
	if(current_controller){
		if(current_over != current_controller){
			document.getElementById(current_over).src = "/img/"+current_over+"_up.gif";	
		}
		document.getElementById(current_controller).src = "/img/"+current_controller+"_over.gif";	
		document.getElementById("sub_"+current_over).style.display = "none";
		document.getElementById("sub_"+current_controller).style.display = "block";
		current_over = current_controller;
	}
}