function hideUp(el) {
	var i, j, el1;
	for (i=0;i<el.parentNode.childNodes.length;i++) {
		if (el.parentNode.childNodes[i] != el) {
			el1 = el.parentNode.childNodes[i];
			for (j=0;j<el1.childNodes.length;j++) {
				if (el1.childNodes[j].tagName == 'UL') {
					el1.childNodes[j].style.display = 'none';
				}
			}
		}
	}
}

function expandMe(el) {
	el = el.parentNode;
	if (el) {
		var i;
		var expanded = false;
		for (i=0;i<el.childNodes.length;i++) {
			if (el.childNodes[i].tagName == 'UL') {
				if(el.childNodes[i].style.display == '' || el.childNodes[i].style.display == 'none') {
					el.childNodes[i].style.display = 'block';
					hideUp(el);
				} else {
					el.childNodes[i].style.display = 'none';
				}
			}
		}
	}
	return false;
}