code: public static String url(PMSession session, String url, Boolean confirm) {
          return url(session, url, confirm, "javascript:");
      }
docs: Builds a jpm url based on given url
  
  @param session Session user. Cannot be null
  @param url Url to be built, <b>without</b> context path
  @param confirm if confirm is true, uses loadPageConfirm instead of
  loadPage
  
  @return ready to use url