function open( id ) {
		document.getElementById( id ).style.display = "inline";
		document.cookie = id+"; path=/";
	}
	
	function openAct() {
		if (document.cookie) {
			id = document.cookie;
			open( id );
		}
	}
	
	function close( id ) {
		document.getElementById( id ).style.display = "none";
	}
	
	function clear() {
		document.cookie = 'geloescht; path=/; expires=Thu, 01-Jan-70 00:00:01 GMT;';
	}
	
	function flip( id ) {
		if ( document.getElementById( id ).style.display == "none" ) {
			closeAll();
			open( id );
		} else {
			close( id );
			clear();
		}
	}
	
	function closeAll() {
		close("citykirche");
		close("menschen");
		close("musik");
		close("kinderjugend");
		close("erwachsene");
		close("sozialedienste");
		close("kontakt");
	}