     initialize: () ->
         do @listen
         # prefill builder with state
-        @builder._jquery = $([])
+        @builder._jquery = @$([])
         @builder._jquery_done = deferred_callbacks()
         do @builder._jquery_done.callback() # builder is allways done
         # override query

        opts.execution        ?= '4ms'
        opts.timeout          ?= '120ms'
        opts.toggle           ?= on
        # init requestAnimationFrame handler
        @animation = new Animation(opts)
        @animation.start()

    onadd: (parent, el) ->
        return if removed el
        if el is el.builder
            el._jquery ?= @$([], el.parent?._jquery)
        else
            el._jquery ?= @$(el.toString(), el.parent._jquery)

        that = this
        el._jquery_manip    ?= cancelable_and_retrivable_callbacks()
