var selected_menu = '';

	function show_submenu(id){


		if(id!=selected_menu){

			if(selected_menu!=''){

				Effect.SlideUp('submenu_' + selected_menu, { duration: 0.5 });

				$('menu_' + selected_menu).className = 'opcion_menu';

			}


			Effect.SlideDown('submenu_' + id, { duration: 0.5 });

			$('menu_' + id).className = 'opcion_menu_seleccionada';

//                        if(id=='club'){
//                            Effect.SlideDown('submenu_banners', { duration: 0.5 });
//                        }else{
//                            document.getElementById('submenu_banners').style.display='none';
//                        }


			selected_menu = id;

			if(selected_menu=='summercamps'){

				update_center('summercamps', 'index', '');

			}

		}else{

			Effect.SlideUp('submenu_' + selected_menu, { duration: 0.5 });
                        Effect.SlideUp('submenu_banners', { duration: 0.5 });
			$('menu_' + selected_menu).className = 'opcion_menu';

			selected_menu = '';	

		}

	}