function show_entries(elem, sibling) {
	if (elem.parentNode.parentNode.className == 'open') {
		document.getElementById(sibling).className = 'closed';
		elem.parentNode.parentNode.className = '';
		elem.parentNode.childNodes[1].className = '';
		//elem.innerHTML = '+';
	}
	else {
		document.getElementById(sibling).className = '';
		elem.parentNode.parentNode.className = 'open';
		elem.parentNode.childNodes[1].className = 'bold';
		//elem.innerHTML = '-';
	}
	return false;
}