var expanding = new Array();
	  
	  function toggleMenu(id){
	    var submenu = $('submenu'+id);
	    var parent = $('menuitem'+id);
	    if (!expanding[id]) {
	      if (!Element.visible(submenu)) {
	        expanding[id] = true;
	        Effect.BlindDown(submenu,{duration: 0.5,afterFinish: function(){expanding[id] = false;}});
	        var c = new Element.ClassNames(parent);
	        c.add('expanded');
	        c.remove('compressed');
	      } else {
	        expanding[id] = true;
	        Effect.BlindUp(submenu,{duration: 0.5,afterFinish: function(){expanding[id] = false;}});
	        var c = new Element.ClassNames(parent);
	        c.add('compressed');
	        c.remove('expanded');
	      }
	    }
	    return false;
	  }