function openPage(uri) {
  var page = uri.replace(/\?.*/,"");
  if (!page) return;
  var menuElement = $$("div#layoutNavigation a[href="+page+"]").first();
  if (menuElement && menuElement.onclick) {
    menuElement.href = uri;
    menuElement.onclick();
  }else{
    $("hs_screenCustom").href = uri;
    hs.htmlExpand($("hs_screenCustom"), { contentId: 'my-content', objectType: 'iframe' } )
  }
}