require 'redshift'

class JQuery < Array
  def initialize selector
    @els = Document[selector]
  end

  def each &block
    @els.each &block
    return this
  end

  def hide
    each{|el| el.styles[:display] = 'none' }
  end

  def show
    each{|el| l.styles[:display] = '' }
  end
end

def q selector, &block
  JQuery.new selector, &block
end

Document.ready? do
  q('.fields > li').hide
end