trait ScriptFilter extends JsCmd {

  def content:NodeSeq

  override def fixHtml(uid: String, content: NodeSeq): String = {
    def xform(in: NodeSeq): NodeSeq = in flatMap {
        case e: Elem if e.label == "script" => NodeSeq.Empty
        case e: Elem => Elem(e.prefix, e.label, e.attributes, e.scope, xform(e.child) :_*)
        case g: Group => xform(g.child)
        case x => x
      }

    AltXML.toXML(Group(xform(S.session.map(s => s.fixHtml(s.processSurroundAndInclude("JS SetHTML id: " + uid, content))).openOr(content))),false, true, S.ieMode).encJs
  }

  abstract override val toJsCmd:String = super.toJsCmd + (for(script <- content \\ "script") yield script.text).toList.mkString
}