function hideMenu( id ) {
     var menuItem = document.getElementById( 'nav' + id );
     //menuItem.style.background = "";
     var subMenuItem = document.getElementById( 'subnav' + id );
     if( subMenuItem ) {
      subMenuItem.style.display = "none";
      menuItem.className = "menuItem";
     }
    }
    function showMenu( id ) {
     hideMenu( 1 );
     hideMenu( 2 );
     var menuItem = document.getElementById( 'nav' + id );
     //menuItem.style.background = "#4B4A4D";
     var subMenuItem = document.getElementById( 'subnav' + id );
     if( subMenuItem ) {
      subMenuItem.style.display = "block";
      menuItem.className = "menuItem menuItemActive";
     }
    }
    var timer1;
    var timer2;
    var timer3;
    var timer4;