function Menu(item, option)
{
	if (option == "on") { item.style.backgroundColor = "#dedede"; }
	else { item.style.backgroundColor = ""; }
}

function toggleNode(current)
{
	if (current.src.indexOf("plus.gif") > -1)
	{
		// collapse tree
		var elements = current.parentNode.getElementsByTagName("div");
		if (elements.length > 0)
		{
			elements.item(0).style.display = '';
		}
		current.src = "/common/images/minus.gif";
	}
	else if (current.src.indexOf("minus.gif") > -1)
	{
		var elements = current.parentNode.getElementsByTagName("div");
		if (elements.length > 0)
		{
			elements.item(0).style.display = 'none';
		}
		current.src = "/common/images/plus.gif";
	} else { }
}