// JavaScript Document
var lastMenu;
var bOverMenu = false;

function ShowSubMenu(menu)
{
    if(lastMenu && (lastMenu != menu))
        HideSubMenu(lastMenu);

    if(menu)
    {
        menu.style.display = "block";
        lastMenu = menu;
		bOverMenu = true;
    }
}

function HideSubMenu(menu)
{
	if(menu)
		menu.style.display = "none";

	bOverMenu = false;
}