var menu_items = document.getElementsByClassName('menu');
var link_item;
var link_container = new Array();
for (var i=0; i<menu_items.length; i++)
{
	link_item = menu_items[i].getElementsByTagName('a')[0];
	link_container.push(link_item);
	if ((document.all)&&(document.getElementById))
    	link_item["onclick"] = new Function("unlink(this)");
	else
		link_item.setAttribute('onclick', 'unlink(this)');
}

function unlink(el)
{
	var old_selected = document.getElementsByClassName('menu_current')[0];
	if (old_selected)
	{
		var to_translate = old_selected.innerHTML;
		old_selected.innerHTML = '';
		for (var i=0; i<link_container.length; i++)
		{
			if (link_container[i].innerHTML == to_translate)
			{
				old_selected.appendChild(link_container[i]);
				old_selected.className = 'menu';
			}
		}
	}
	
	var text = el.innerHTML;
	var parentItem = el.parentNode;
	parentItem.removeChild(el);
	parentItem.className = 'menu_current';
	parentItem.appendChild(document.createTextNode(text));
}