function toggle(id) {
	var element = document.getElementById("children_" + id);
	var image = document.getElementById("image_" + id)
	var visibility = element.style.display;
	if (visibility == 'none') {
		element.style.display = 'block';
		image.src="/admin//images/icon_dreieck_unten.gif";
		
	} else {
		element.style.display = 'none';
		image.src="/admin//images/icon_dreieck_rechts.gif";
		top.frames['main'].location.href="/admin//frontend/navigation/welcome.php";
	}
}