function switch_announcement() {
	var isHidden = document.getElementById("announcement_edit").style.display;
	if ( isHidden == "none" ){
		document.getElementById("announcement_show").style.display = "none";
		document.getElementById("announcement_edit").style.display = "block";
	} else {
		document.getElementById("announcement_show").style.display = "block";
		document.getElementById("announcement_edit").style.display = "none";
	}
}

function showMenu( menu_id ) {
	var isHidden = document.getElementById( menu_id ).style.display;
	$("li.menu").toggleClass("active");
	if ( isHidden == "none"  || isHidden == "" ){
		document.getElementById( menu_id ).style.display = "block";
	} else {
		document.getElementById( menu_id ).style.display = "none";
	}
}


function showOlderEntriesOnList( listID ) {

	p = document.getElementById( 'nodocs_' + listID );
	if ( p != null ) {
		p.style.display = "none";
	}

	listElements = document.getElementById( listID ).childNodes;
	
	for ( i = 0; i < listElements.length; i++ ) {
		listElements[i].style.display = "list-item";
	}
	
}