var xcNode = []; 

function xcSet(m, c) {
	if (document.getElementById && document.createElement) {
		m = document.getElementById(m).getElementsByTagName('ul');
		var d, p, x, h, i, j;
		for (i = 0; i < m.length; i++) { 
			if (d = m[i].getAttribute('id')) { 
				xcCtrl(d, c, 'x', '[+]', 'Show', m[i].getAttribute('title')+'Expand menu'); 
				x = xcCtrl(d, c, 'c', '[-]', 'Hide', m[i].getAttribute('title')+'Collapse menu'); 
				p = m[i].parentNode; 
				if (h = !(p.className == 'openmenu' )) { 
					j = 2; 
					while ((h = !(d == arguments[j])) && (j++ < arguments.length)); 
					if (h) { 
						m[i].style.display = 'none'; 
						x = xcNode[d+'x']; 
					} 
				} 
				p.className = c; 
				p.insertBefore(x, p.firstChild); 
			} 
		} 
	}
} 


function xcShow(m) { 
	xcXC(m, 'block', m+'c', m+'x'); 
} 


function xcHide(m) { 
	xcXC(m, 'none', m+'x', m+'c'); 
} 


function xcXC(e, d, s, h) { 
	e = document.getElementById(e); 
	e.style.display = d; 
	e.parentNode.replaceChild(xcNode[s], xcNode[h]); 
	xcNode[s].firstChild.focus(); 
} 


function xcCtrl(m, c, s, v, f, t) { 
	var a = document.createElement('a'); 
	a.setAttribute('href', 'javascript:xc'+f+'(\''+m+'\');'); 
	a.setAttribute('title', t); 
	a.appendChild(document.createTextNode(v)); 

	var d = document.createElement('div'); 
	d.className = c+s; 
	d.appendChild(a); 

	return xcNode[m+s] = d; 
}