var menuVisible=0;


	function menuHide(_name)
		{
		nameLayer="menu"+_name;
		nameCell="cell"+_name;
		layerHide(nameLayer);
		setClass(nameCell,'');
		}


	function menuHidePrev()
		{
		if(menuVisible)
			menuHide(menuVisible);
		}


	function menuShow(_name)
		{
		menuHidePrev();
		nameLayer="menu"+_name;
		nameCell="cell"+_name;
		layerShow(nameLayer);
		setClass(nameCell,'mcCurr');
		menuVisible=_name;
		}

	function menuShowCurrent()
		{
    if(menuCurrent)
      menuShow(menuCurrent);
		}