function muestra(id,accion){
		// parche ocultar todos
		if(id != 'cocina' && id != 'galeria'){ document.getElementById('cocina').style.display = 'none'};
		if(id != 'vinos' && id != 'galeria'){ document.getElementById('vinos').style.display = 'none'};
		if(id != 'nosotros' && id != 'galeria'){ document.getElementById('nosotros').style.display = 'none'};
		//		
		if(id != null){
			var elem = document.getElementById(id);
			if(accion == 'show'){
				elem.style.display='block';
			}else{
				elem.style.display='none';
			}
		};
		

}