/// <summary>
/// This will return true if the node passed is one of the children or grandchildren of this nodes.
/// </summary>
/// <param attributeName="nodes">The nodes that might be a child.</param>
/// <returns>True if this nodes is an ancestor of the one specified.</returns>
public bool IsAncestorOf(HtmlNode node)
{
if (null != node)
return node.IsDescendantOf(this);
else
return false;
}
