var menuLayers = {

  activeMenuID: null,

  activeSubMenuID: null,

  

  show: function(id) {

    var mnu = document.getElementById? document.getElementById(id): null;

    if (!mnu) return;

//    window.defaultStatus = 'id=' + document.activeElement.getAttribute('id');

    if (this.activeMenuID!= null) {

    		this.hideSub();

    		this.hide(this.activeMenuID);

    	}

	this.activeMenuID = id;

    document.getElementById(id).style.visibility = 'visible';

  },

  

  showSub: function(id) {

    var mnu = document.getElementById? document.getElementById(id): null;

    if (!mnu) return;

//    window.defaultStatus = 'id=' + document.activeElement;

    if (this.activeSubMenuID!= null)	this.hide(this.activeSubMenuID);

    	this.activeSubMenuID = id;

    this.show(this.activeMenuID);

    document.getElementById(id).style.visibility = 'visible';

  },

  

  hide: function(id) {

    var mnu = document.getElementById? document.getElementById(id): null;

    if (!mnu) return;

//    if (id != document.activeElement)  

   	document.getElementById(id).style.visibility = 'hidden';

  },



  hideAll: function() {

//	this.hideSub();

	this.hide('submenu1');

	this.hide('submenu2');

	

//	this.activeMenuID=null;

  },

hideSub: function() {



  }

}