function foldme(id_to_fold) {
	var object = document.getElementById(id_to_fold);
	if ( object.style.display == 'none' ) {
		if (document.all) {
			var elem = document.getElementById(id_to_fold);
			elem.style.display = 'block';
		} else {
			document.getElementById(id_to_fold).style['display'] = 'block';
		}
	} else {
		if (document.all) {
			var elem = document.getElementById(id_to_fold);
			elem.style.display = "none";
		} else {
			document.getElementById(id_to_fold).style['display'] = 'none';
		}
	}
}