def next_element(element, name = nil)
      if siblings = element.parent.children
        found = false
        siblings.each do |node|
          if node.equal?(element)
            found = true
          elsif found && node.tag?
            return node if (name.nil? || node.name == name)
          end
        end
      end
      nil
    end
def next_element(element, name = nil)
      if siblings = element.parent.children
        found = false
        siblings.each do |node|
          if node.equal?(element)
            found = true
          elsif found && node.tag?
            return node if (name.nil? || node.name == name)
          end
        end
      end
      nil
    end
Return the next element after this one. Skips sibling text nodes.

 With the +name+ argument, returns the next element with that name,
 skipping other sibling elements.