var timeOn = null;
var activeMenu = 0;
function showMenu(menuName)
{
  // A new menu was selected
  if (activeMenu != menuName)
  {
    // Start by hiding any previous menues
    hideAll();
    // Retrieve the main menu item element and set the hover class
    var mainMenu = document.getElementById("main"+menuName);
    // Attempt to retrieve the sub menu element
    var menu = document.getElementById(menuName);
    // If a submenu was found, position and display it
    if (menu != null)
    {
      menu.style.display = "block";
      mainMenu.className = "mainmenuitem active";
    }
    // Update currently active menu
    activeMenu = menuName;
  }
}
//Hide All Menus
function hideAll() {
  // Hide menu active from previous selection
  if (activeMenu != 0) {
    var menu = document.getElementById(activeMenu);
    if (menu != null) {
      menu.style.display = "none";
      }
    var menu = document.getElementById("main"+activeMenu);
    if (menu != null) {
      menu.className = "mainmenuitem";
      }
    activeMenu = 0;
    }
  // Hide menu active from page load (using Category field)
  var menu = document.getElementById("subActive");
  if (menu != null) {
    menu.style.display = "none";
    }
  }