Vn.Node =
{
	removeChilds: function (node)
	{
		var childs = node.childNodes;

		while (childs.length > 0)
			node.removeChild (childs[0]);
	}

	,remove: function (node)
	{
		node.parentNode.removeChild (node);
	}

	,setText: function (node, text)
	{
		Vn.Node.removeChilds (node);

		if (text)
			node.appendChild (document.createTextNode (text));
	}
};

function $ (id)
{
	return document.getElementById (id);
}