function toggleList(i) {
	toggleListI(document.getElementById('nav'+i));
}
function toggleListI(list) {
	var ul = list.getElementsByTagName('ul')[0];
	var img = list.getElementsByTagName('img')[0];
	if (ul.style.display == 'none') {
		ul.style.display = '';
		img.alt = '-';
		img.src = '/includes/current_year/images/minus.png';
	} else {
		ul.style.display = 'none';
		img.alt = '+';
		img.src = '/includes/current_year/images/plus.png';
	}
}
function toggleStart() {
	var sidebar = document.getElementById('sidebarul');
	var sidebarc = sidebar.childNodes;
	var sidebarl = sidebarc.length;
	for (var i=0, nav = 1; i<sidebarl; i++) {
		var child = sidebarc[i];
		if (child.nodeName == 'LI' && child.childNodes.length && child.getElementsByTagName('ul')[0] && child.getElementsByTagName('img')[0]) {
			toggleListI(child);
			child.id = 'nav'+nav++;
			a = child.getElementsByTagName('a')[0];
			img = child.getElementsByTagName('img')[0];
			a.onkeypress = function(){toggleListI(this.parentNode)};
			img.onkeypress = a.onkeypress;
			a.onclick = a.onkeypress;
			img.onclick = a.onkeypress;
			a.style.cursor = 'pointer';
			img.style.cursor = 'pointer';
		}
	}
}