var js_items = new Array();

function show(el) {
	close();
	document.getElementById(el).style.display = "block";
}

function close() {
	for (var i = 0; i < js_items.length; ++i) {
		document.getElementById(js_items[i]).style.display = 'none';
	}
}

function next(titel) {
	var titel;
		var temp;
		i = findindex(titel);
		close(js_items[i]);
		i = i + 1;
		if (i >= js_items.length) {
			i = 0;
//			alert('mehr als die Array-Länge - zurück auf Null!');
		}
//		alert("Index"+i+": "+js_items[i]);
		document.getElementById(js_items[i]).style.display = 'block';
}

function findindex(titel) {
	var titel;
	for (var i = 0; i < js_items.length; ++i) {
		if(titel == js_items[i]) {
			return i;
			break;
		}
	}
}

function show_glossarystart() {
	document.getElementById("glossarystart").style.visibility = "visible";
}